US20090318301A1 - Diagnostic assay for source of inflammation - Google Patents

Diagnostic assay for source of inflammation Download PDF

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US20090318301A1
US20090318301A1 US12/549,657 US54965709A US2009318301A1 US 20090318301 A1 US20090318301 A1 US 20090318301A1 US 54965709 A US54965709 A US 54965709A US 2009318301 A1 US2009318301 A1 US 2009318301A1
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expression
genes
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inflammation
cells
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Carl Deirmengian
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CD Diagnostics LLC
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Priority to US13/231,647 priority patent/US20120004134A1/en
Priority to US13/231,665 priority patent/US20120004121A1/en
Assigned to CD DIAGNOSTICS, INC. reassignment CD DIAGNOSTICS, INC. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: CD DIAGNOSTICS, LLC
Priority to US16/864,575 priority patent/US20200255898A1/en
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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • C12Q1/6883—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6809—Methods for determination or identification of nucleic acids involving differential detection
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q2600/00—Oligonucleotides characterized by their use
    • C12Q2600/158—Expression markers

Abstract

A method of diagnosing the source of local, acute inflammation has been developed based on the discovery that white cells have different patterns of gene expression, and therefore protein markers, depending on the origin of the inflammation. These differences can be readily accessed by analysis of the white cells obtained at a site to be analyzed, for example, in the synovial fluid of a knee. The analysis, by comparison with the analysis of white cells present in known conditions, can be used to differentiate between inflammation due to bacterial infection, arthritis or gout, for example. The examples demonstrate differential gene expression in cells present in synovial fluid biopsies from patients with confirmed bacterial infection as compared to patients with aseptic loosening or patients with inflammation due to gout.

Description

  • This claims priority under 35 U.S.C. 119 to U.S. Ser. No. 60/603,313 filed Aug. 20, 2004.
    • BACKGROUND OF THE INVENTION
  • The present invention is generally in the field of diagnostics for different types of inflammation, for example, whether the inflammation is due to bacterial infection or autoimmune disease.
  • The immune system is a bodywide network of cells and organs that has evolved to defend the body against attacks by “foreign” invaders. The proper targets of the immune system are infectious organisms—bacteria such as streptococci; Fungi; Parasites, including the microbes that cause schistosomiasis; and viruses such as herpes virus.
  • The lymphoid organs are concerned with the growth, development, and deployment of lymphocytes, which are white blood cells that are key operatives of the immune system. The organs of the immune system are connected with one another and with other organs of the body by a network of lymphatic vessels similar to blood vessels. Immune cells and foreign particles are conveyed through the lymphatic vessels in lymph, a clear fluid that bathes the body's tissues. Cells destined to become immune cells, like all blood cells, arise in the bone marrow from so-called stem cells. Some develop into myeloid cells, a group typified by the large, cell- and particle-devouring white blood cells known as phagocytes; phagocytes include monocytes, macrophages, and neutrophils. Other myeloid descendants become granule-containing inflammatory cells such as eosinophils and basophils. Lymphoid precursors develop into the small white blood cells called lymphocytes. The two major classes of lymphocytes are B cells and T cells. B cells make antibodies. At least two types of lymphocytes are killer cells—cytotoxic T cells and natural killer cells. To attack, cytotoxic T cells need to recognize a specific antigen, whereas natural killer or NK cells do not. Both types contain granules filled with potent chemicals, and both types kill on contact. The killer binds to its target, aims its weapons, and delivers a burst of lethal chemicals. Phagocytes are large white cells that can engulf and digest foreign invaders. They include monocytes, which circulate in the blood, and macrophages, which are found in tissues throughout the body, as well as neutrophils, cells that circulate in the blood but move into tissues where they are needed. Macrophages are versatile cells; they act as scavengers, they secrete a wide variety of powerful chemicals, and they play an essential role in activating T cells. Neutrophils are not only phagocytes but also granulocytes: they contain granules filled with potent chemicals. These chemicals, in addition to destroying microorganisms, play a key role in acute inflammatory reactions. Other types of granulocytes are eosinophils and basophils. Mast cells are granule-containing cells in tissue.
  • When the immune system malfunctions, it can unleash a torrent of disorders and diseases. One of the most familiar is allergy. Allergies such as hay fever and hives are related to the antibody known as IgE. Sometimes the immune system's recognition apparatus breaks down, and the body begins to manufacture antibodies and T cells directed against the body's own cells and organs. Such cells and autoantibodies, as they are known, contribute to many diseases. For instance, T cells that attack pancreas cells contribute to diabetes, while an autoantibody known as rheumatoid factor is common in persons with rheumatoid arthritis.
  • Other types of inflammation may arise due to infection or damage to tissue due to trauma or excessive wear. Since treatments differ based on the origin of the disease or disorder, it is important to know what is eliciting the inflammation.
  • It is therefore an object of the present invention to provide a method and materials for rapid diagnosis of the source of inflammation.
    • SUMMARY OF THE INVENTION
  • A method of diagnosing the source of local, acute inflammation has been developed based on the discovery that white cells have different patterns of gene expression, and therefore different protein markers, depending on the origin of the inflammation. These differences can be readily accessed by analysis of the white cells obtained at a site to be analyzed, for example, in the synovial fluid of a knee. The analysis, by comparison with the analysis of white cells present in known conditions, can be used to differentiate between inflammation due to bacterial infection, arthritis or gout, for example. The method can also be used in drug screening, where changes in the expression patterns of known diseases or disorders to appear more normal in response to a particular treatment or drug is indicative of potential efficacy.
  • The examples demonstrate differential gene expression in cells present in synovial fluid biopsies from patients with confirmed bacterial infection as compared to patients with aseptic loosening or patients with inflammation due to gout.
    • DETAILED DESCRIPTION OF THE INVENTION
  • One of the hallmarks of inflammation is an influx of white blood cells into the injured area. For example, acute inflammation in knee infections, rheumatoid arthritis, Lyme disease, and gout all involve the participation of white blood cells. Since the acute cellular infiltrate has been historically considered to be a stereotyped response, there has been little attention given to studying these cells for diagnostic purposes. A few in vitro studies have suggested that monocytes, dendritic cells, and neutrophils have the ability to alter their gene expression depending on the source of inflammation. Using this information, it was postulated that the cells in an inflamed knee, despite appearing the same in different forms of inflammation, may have different and diagnostic gene expression profiles. This was demonstrated in the following examples comparing results in cells present in synovial fluid biopsies from patients with confirmed bacterial infection as compared to patients with aseptic loosening or patients with inflammation due to gout.
    • I. Samples to be Analyzed
  • Samples can be obtained for testing using standard techniques. Typically samples are obtained by biopsy or aspiration, for example, of tissue at a site to be analyzed, or of synovial joint fluid. Fluids commonly aspirated for the evaluation of acute inflammation include synovial fluid, sputum, urine, cerebrospinal fluid, peritoneal lavage fluid, pleural effusion, pericardial effusion, and abscesses among others. Tissues commonly biopsied for the analysis of acute inflammation include connective tissues such as bone, muscle, and synovium, solid organs such as liver, heart, kidney, and brain, and reactive tissues such as periprosthetic tissues.
  • Nucleic acid samples used in the methods and assays may be prepared by any available method or process. Methods of isolating total mRNA are also well known to those of skill in the art. For example, methods of isolation and purification of nucleic acids are described in detail in Chapter 3 of Laboratory Techniques in Biochemistry and Molecular Biology: Hybridization With Nucleic Acid Probes, Part I Theory and Nucleic Acid Preparation, Tijssen, (1993) (editor) Elsevier Press. Such samples include RNA samples, cDNA synthesized from an mRNA sample isolated from a cell or tissue of interest, DNA amplified from the cDNA, and RNA transcribed from the amplified DNA. One of skill in the art would appreciate that it may be desirable to inhibit or destroy RNase present in homogenates before homogenates are analyzed.
  • As described in example 1, a method was developed to stabilize, isolate, and purify RNA from inflamed synovial fluid, as described in the following examples.
  • Biological samples may be of any biological tissue or fluid containing leukocytes. Frequently the sample will be a “clinical sample” which is a sample derived from a patient. Typical clinical samples include, but are not limited to, synovial fluid, sputum, blood, blood-cells (e.g., white cells), tissue or fine needle biopsy samples, urine, peritoneal fluid, cerebrospinal fluid, abscesses, and pleural fluid, or cells therefrom. Biological samples may also include sections of tissues, such as frozen sections or formalin fixed sections taken for histological purposes. Peroprosthetic tissues are often analyzed for evidence of infection.
  • Controls may either be normal (i.e., not infected or not-inflammed tissue, for example) or samples from known types or stages of infection or inflammation or other disease. As described below, comparison of the expression patterns of the sample to be tested with those of the controls can be used to diagnose the disease.
    • II. Methods of Analysis
  • Analysis for the purpose of monitoring differential gene expression may be focused on a variety of tissues and fluids, and may also be used to detect or measure a number of different molecular targets. When a cell expresses a gene, it transcribes the appropriate RNA, which is ultimately translated into a protein. The relevant protein may then be localized to a variety of intracellular or extracellular locations.
  • Methods of detecting or measuring gene expression may utilize methods that focus on cellular components (cellular examination), or methods that focus on examining extracellular components (fluid examination). Because gene expression involves the ordered production of a number of different molecules, a cellular or fluid examination may be used to detect or measure a variety of molecules including RNA, protein, and a number of molecules that may be modified as a result of the protein's function. Typical diagnostic methods focusing on nucleic acids include amplification techniques such as PCR and RT-PCR (including quantitative variants), and hybridization techniques such as in situ hybridization, microarrays, blots, and others. Typical diagnostic methods focusing on proteins include binding techniques such as ELISA, immunohistochemistry, microarray and functional techniques such as enzymatic assays.
  • Many biological functions are accomplished by altering the expression of various genes through transcriptional (e.g., through control of initiation, provision of RNA precursors, RNA processing, etc.) and/or translational control. For example, fundamental biological processes such as cell cycle, cell differentiation and cell death, are often characterized by variations in the expression levels of groups of genes. Changes in gene expression are also associated with pathogenesis. Thus, changes in the expression levels of particular genes serve as signposts for the presence and progression of various diseases or inflammation. As described herein, it is the differences in expression that are used to determine the origin of the inflammation—whether it is infection or aseptic inflammation, and if infection, whether it is viral, bacterial or parasitic in origin. If the source is aseptic inflammation, one could determine the specific underlying disease process, as many autoimmune diseases that are associated with local inflammation. This is particularly important in certain clinical scenarios when pathogen detection is difficult and gross cellular examination is uninformative. The testing of expression of genes in the leukocytes at the site is much easier.
  • Monitoring changes in gene expression may also provide certain advantages during drug screening development. By determining what patterns of expression are associated with infection as compared to inflammation, one can then test for the effect of a drug, and whether treatment with a drug, or a particular dosage or treatment schedule is effective in normalizing the expression pattern.
  • Monitoring changes in gene expression may also provide information regarding a patient's susceptibility to disease and probability of recovering. This is especially important when treating patients with local infections and/or autoimmune diseases.
    • DEFINITIONS
  • In the description that follows, numerous terms and phrases known to those skilled in the art are used. In the interest of clarity and consistency of interpretation, the definitions of certain terms and phrases are provided.
  • As used herein, the phrase “detecting the level of expression” includes methods that quantify expression levels as well as methods that determine whether a gene of interest is expressed at all. Thus, an assay which provides a yes or no result without necessarily providing quantification of an amount of expression is an assay that requires “detecting the level of expression” as that phrase is used herein. As used herein, it is the pattern of expression in addition to the individual expression that is quantitated or qualified for analysis.
  • As used herein, oligonucleotide sequences that are complementary to one or more of the genes described herein refers to oligonucleotides that are capable of hybridizing under stringent conditions to at least part of the nucleotide sequence of the genes. Such hybridizable oligonucleotides will typically exhibit at least about 75% sequence identity at the nucleotide level to the genes, preferably about 30% or 85% sequence identity or more preferably about 90% or 95% or more sequence identity to the genes.
  • “Bind(s) substantially” refers to complementary hybridization between a probe nucleic acid and a target nucleic acid and embraces minor mismatches that can be accommodated by reducing the stringency of the hybridization media to achieve the desired detection of the target polynucleotide sequence.
  • The terms “background” or “background signal intensity” refer to hybridization signals resulting from non-specific binding, or other interactions, between the labeled target nucleic acids and components of the oligonucleotide array (e.g. the oligonucleotide probes, control probes, the array substrate, etc.). Background signals may also be produced by intrinsic fluorescence of the array components themselves. A single background signal can be calculated for the entire array, or a different background signal may be calculated for each target nucleic acid. In a preferred embodiment, background is calculated as the average hybridization signal intensity for the lowest 5% to 10% of the probes in the array, or, where a different background signal is calculated for each target gene, for the lowest 5% to 10% of the probes for each gene. One of skill in the art will appreciate that where the probes to a particular gene hybridize well and thus appear to be specifically binding to a target sequence, they should not be used in a background signal calculation. Alternatively, background may be calculated as the average hybridization signal intensity produced by hybridization to probes that are not complementary to any sequence found in the sample (e.g., probes directed to nucleic acids of the opposite sense or to genes not found in the sample such as bacterial genes where the sample is mammalian nucleic acids). Background can also be calculated as the average signal intensity produced by regions of the array that lack any probes at all.
  • The phrase “hybridizing specifically to” refers to the binding, duplexing or hybridizing of a molecule substantially to or only to a particular nucleotide sequence or sequences under stringent conditions when that sequence is present in a complex mixture (e.g., total cellular) DNA or RNA.
  • Assays and methods may utilize available formats to simultaneously screen at least about 100, 1000, 10,000 or about 1,000,000 or more different nucleic acid hybridizations.
  • The terms “mismatch control” or “mismatch probe” refer to a probe whose sequence is deliberately selected not to be perfectly complementary to a particular target sequence. For each mismatch (MM) control in a high-density array there typically exists a corresponding perfect match (PM) probe that is perfectly complementary to the same particular target sequence. The mismatch may comprise one or more bases. While the mismatch(s) may be located anywhere in the mismatch probe, terminal mismatches are less desirable as a terminal mismatch is less likely to prevent hybridization of the target sequence. In a particularly preferred embodiment, the mismatch is located at or near the center of the probe such that the mismatch is most likely to destabilize the duplex with the target sequence under the test hybridization conditions.
  • The term “perfect match probe” refers to a probe that has a sequence that is perfectly complementary to a particular target sequence. The test probe is typically perfectly complementary to a portion (subsequence) of the target sequence. The perfect match (PM) probe can be a “test probe”, a “normalization control” probe, an expression level control probe and the like. A perfect match control or perfect match probe is, however, distinguished from a “mismatch control” or “mismatch probe.”
  • As used herein a “probe” is defined as a nucleic acid, preferably an oligonucleotide, capable of binding to a target nucleic acid of complementary sequence through one or more types of chemical bonds, usually through complementary base pairing, usually through hydrogen bond formation. As used herein, a probe may include natural (i.e., A, G, U, C or T) or modified bases (7-deazaguanosine, inosine, etc.). In addition, the bases in probes may be joined by a linkage other than a phosphodiester bond, so long as it does not interfere with hybridization. Thus, probes may be peptide nucleic acids in which the constituent bases are joined by peptide bonds rather than phosphodiester linkages.
  • The term “stringent conditions” refers to conditions under which a probe will hybridize to its target subsequence, but with only insubstantial hybridization to other sequences or to other sequences such that the difference may be identified. Stringent conditions are sequence-dependent and will be different in different circumstances. Longer sequences hybridize specifically at higher temperatures. Generally, stringent conditions are selected to be about 5° C. lower than the thermal melting point (Tm) for the specific sequence at a defined ionic strength and pH.
  • Typically, stringent conditions will be those in which the salt concentration is at least about 0.01 to 1.0 M sodium ion concentration (or other salts) at pH 7.0 to 8.3 and the temperature is at least about 30° C. for short probes (e.g., 10 to 50 nucleotides). Stringent conditions may also be achieved with the addition of destabilizing agents such as formamide.
  • The “percentage of sequence identity” or “sequence identity” is determined by comparing two optimally aligned sequences or subsequences over a comparison window or span, wherein the portion of the polynucleotide sequence in the comparison window may optionally comprise additions or deletions (i.e., gaps) as compared to the reference sequence (which does not comprise additions or deletions) for optimal alignment of the two sequences. The percentage is calculated by determining the number of positions at which the identical subunit (e.g., nucleic acid base or amino acid residue) occurs in both sequences to yield the number of matched positions, dividing the number of matched positions by the total number of positions in the window of comparison and multiplying the result by 100 to yield the percentage of sequence identity. Percentage sequence identity when calculated using the programs GAP or BESTFIT is calculated using default gap weights.
  • Homology or identity may be determined by BLAST (Basic Local Alignment Search Tool) analysis using the algorithm employed by the programs blastp, blastn, blastx, tblastn and tblastx (Karlin et al., Proc. Natl. Acad. Sci. USA 87, 2264-2268 (1990) and Altschul, J. Mol. Evol. 36, 290-300 (1993), fully incorporated by reference) which are tailored for sequence similarity searching. The approach used by the BLAST program is to first consider similar segments between a query sequence and a database sequence, then to evaluate the statistical significance of all matches that are identified and finally to summarize only those matches which satisfy a preselected threshold of significance. For a discussion of basic issues in similarity searching of sequence databases, see Altschul et al., Nature Genet. 6, 119-129 (1994). The search parameters for histogram, descriptions, alignments, expect (i.e., the statistical significance threshold for reporting matches against database sequences), cutoff, matrix and filter are at the default settings. The default scoring matrix used by blastp, blastx, tblasta, and tblastx is the BLOSUM62 matrix (Henikoff et al., Proc. Natl. Acad. Sci. USA 89, 10915-10919 (1992). Four blastn parameters were adjusted as follows Q=10 (gap creation penalty); R=10 (gap extension penalty); wink=1 (generates word hits at every winks position along the query); and gapw=16 (sets the window width within which gapped alignments are generated). The equivalent Blastp parameter settings were Q=9; R=2; wink=1; and gapw=32. A Bestfit comparison between sequences, available in the GCG package version 10.0, uses DNA parameters GAP=50 (gap creation penalty) and LENz=3 (gap extension penalty) and the equivalent settings in protein comparisons are GAP=8 and LEN-=2.
  • For a particular interrogation of two conditions or sources, it is desirable to select those genes that display a great difference in the expression pattern between the two conditions or sources. At least a two-fold difference is desirable, but a three, five-fold or ten-fold difference may be preferred. Interrogations of the genes or proteins can be performed to yield information on gene expression as well as on the levels of the encoded proteins.
  • Comparison of the expression data, as well as available sequence or other information may be done by researcher or diagnostician or may be done with the aid of a computer and databases as described herein.
  • Assay Formats
  • The genes identified as being differentially expressed may be assessed in a variety of nucleic acid detection assays to detect or quantify the expression level of a gene or multiple genes in a given sample. For example, traditional Northern blotting, nuclease protection, RT-PCR, microarray, and differential display methods may be used for detecting gene expression levels. Methods for assaying for mRNA include Northern blots, slot blots, dot blots, and hybridization to an ordered array of oligonucleotides. Any method for specifically and quantitatively measuring a specific protein or mRNA or DNA product can be used. However, methods and assays are most efficiently designed with array or chip hybridization-based methods for detecting the expression of a large number of genes. Any hybridization assay format may be used, including solution-based and solid support-based assay formats.
  • The protein products of the genes identified herein can also be assayed to determine the amount of expression. Methods for assaying for a protein include Western blot, immunoprecipitation, and radioimmunoassay. The proteins analyzed may be localized intracellularly (most commonly an application of immunohistochemistry) or extracellularly (most commonly an application of immunoassays such as ELISA).
  • In another format, the relative amounts of proteins produced in a cell population may be analyzed for purposes of diagnosis or the protein from cellular population that has been exposed to an agent to be tested may be compared to the amount produced in an unexposed control cell population. In this format, probes such as specific antibodies are used to monitor the differential expression of the protein in the different cell populations. Cell lines or populations are exposed to the agent to be tested under appropriate conditions and time. Cellular lysates may be prepared from the exposed cell line or population and a control, unexposed cell line or population. The cellular lysates are then analyzed with the probe, such as a specific antibody.
  • As noted above, the genes may be assayed in any convenient form. For example, they may be assayed in the form mRNA or reverse transcribed mRNA. The genes may be cloned or not and the genes may be amplified or not. The cloning itself does not appear to bias the representation of genes within a population. However, it may be preferable to use polyA+RNA as a source, as it can be used with less processing steps. In some embodiments, it may be preferable to assay the protein or peptide encoded by the gene.
  • The sequences of many of the expression marker genes are in the public databases such as GenBank. The sequences of the genes in GenBank are publicly available at, for example, www.ncbi.nih.gov. IMAGE gives the clone number from the IMAGE consortium. Information on the genes in the Affymetrix® arrays can also be obtained from Affymetrix®.
  • One of skill in the art will appreciate that an enormous number of array designs are suitable. The high density array will typically include a number of probes that specifically hybridize to the sequences of interest. See WO 99/32660 for methods of producing probes for a given gene or genes. In a preferred embodiment, the array will include one or more control probes.
  • High density array chips include “test probes.” Test probes may be oligonucleotides that range from about 5 to about 500 or about 5 to about 50 nucleotides, more preferably from about 10 to about 40 nucleotides and most preferably from about 15 to about 40 nucleotides in length. In other particularly preferred embodiments, the probes are about 20 or 25 nucleotides in length. In another preferred embodiment, test probes are double or single strand DNA sequences. DNA sequences may be isolated or cloned from natural sources or amplified from natural sources using natural nucleic acid as templates. These probes have sequences complementary to particular subsequences of the genes whose expression they are designed to detect. Thus, the test probes are capable of specifically hybridizing to the target nucleic acid they are to detect.
  • In addition to test probes that bind the target nucleic acid(s) of interest, the high density array can contain a number of control probes. The control probes fall into three categories referred to herein as normalization controls; expression level controls; and mismatch controls. Normalization controls are oligonucleotide or other nucleic acid probes that are complementary to labeled reference oligonucleotides or other nucleic acid sequences that are added to the nucleic acid sample. The signals obtained from the normalization controls after hybridization provide a control for variations in hybridization conditions, label intensity, “reading” efficiency and other factors that may cause the signal of a perfect hybridization to vary between arrays. In a preferred embodiment, signals (e.g. fluorescence intensity) read from all other probes in the array are divided by the signal (, fluorescence intensity) from the control probes thereby normalizing the measurements. Virtually any probe may serve as a normalization control. However, it is recognized that hybridization efficiency varies with base composition and probe length. Preferred normalization probes are selected to reflect the average length of the other probes present in the array; however, they can be selected to cover a range of lengths. The normalization control(s) can also be selected to reflect the (average) base composition of the other probes in the array, however in a preferred embodiment, only one or a few probes are used and they are selected such that they hybridize well (i.e., no secondary structure) and do not match any target-specific probes. Expression level controls are probes that hybridize specifically with constitutively expressed genes in the biological sample. Virtually any constitutively expressed gene provides a suitable target for expression level controls. Typical expression level control probes have sequences complementary to subsequences of constitutively expressed “housekeeping genes” including the .beta.-actin gene, the transferrin receptor gene, and the GAPDH gene. Mismatch controls may also be provided for the probes to the target genes, for expression level controls or for normalization controls. Mismatch controls are oligonucleotide probes or other nucleic acid probes identical to their corresponding test or control probes except for the presence of one or more mismatched bases. A mismatched base is a base selected so that it is not complementary to the corresponding base in the target sequence to which the probe would otherwise specifically hybridize. One or more mismatches are selected such that under appropriate hybridization conditions (e.g., stringent conditions) the test or control probe would be expected to hybridize with its target sequence, but the mismatch probe would not hybridize (or would hybridize to a significantly lesser extent). Preferred mismatch probes contain a central mismatch. Thus, for example, where a probe is a twenty-mer, a corresponding mismatch probe may have the identical sequence except for a single base mismatch (e.g., substituting a G, a C or a T for an A) at any of positions 6 through 14 (the central mismatch). Mismatch probes thus provide a control for non-specific binding or cross hybridization to a nucleic acid in the sample other than the target to which the probe is directed. Mismatch probes also indicate whether hybridization is specific or not.
  • Solid Supports
  • Solid supports containing oligonucleotide probes for differentially expressed genes can be any solid or semisolid support material known to those skilled in the art. Suitable examples include, but are not limited to, membranes, filters, tissue culture dishes, polyvinyl chloride dishes, beads, test strips, silicon or glass based chips and the like. Suitable glass wafers and hybridization methods are widely available. Any solid surface to which oligonucleotides can be bound, either directly or indirectly, either covalently or non-covalently, can be used. In some embodiments, it may be desirable to attach some oligonucleotides covalently and others non-covalently to the same solid support. A preferred solid support is a high density array or DNA chip. These contain a particular oligonucleotide probe in a predetermined location on the array. Each predetermined location may contain more than one molecule of the probe, but each molecule within the predetermined location has an identical sequence. Such predetermined locations are termed features. There may be, for example, from 2, 10, 100, 1000 to 10,000, 100,000 or 400,000 of such features on a single solid support. The solid support or the area within which the probes are attached may be on the order of a square centimeter. Methods of forming high density arrays of oligonucleotides with a minimal number of synthetic steps are known. The oligonucleotide analogue array can be synthesized on a solid substrate by a variety of methods, including, but not limited to, light-directed chemical coupling, and mechanically directed coupling (see U.S. Pat. No. 5,143,854 to Pirrung et al.; U.S. Pat. No. 5,800,992 to Fodor et al.; U.S. Pat. No. 5,837,832 to Chee et al.
  • In brief, the light-directed combinatorial synthesis of oligonucleotide arrays on a glass surface proceeds using automated phosphoramidite chemistry and chip masking techniques. In one specific implementation, a glass surface is derivatized with a silane reagent containing a functional group, e.g., a hydroxyl or amine group blocked by a photolabile protecting group. Photolysis through a photolithographic mask is used selectively to expose functional groups which are then ready to react with incoming 5′ photoprotected nucleoside phosphoramidites. The phosphoramidites react only with those sites which are illuminated (and thus exposed by removal of the photolabile blocking group). Thus, the phosphoramidites only add to those areas selectively exposed from the preceding step. These steps are repeated until the desired array of sequences has been synthesized on the solid surface. Combinatorial synthesis of different oligonucleotide analogues at different locations on the array is determined by the pattern of illumination during synthesis and the order of addition of coupling reagents.
  • In addition to the foregoing, methods which can be used to generate an array of oligonucleotides on a single substrate are described in WO 93/09668 to Fodor et al. High density nucleic acid arrays can also be fabricated by depositing premade or natural nucleic acids in predetermined positions. Synthesized or natural nucleic acids are deposited on specific locations of a substrate by light directed targeting and oligonucleotide directed targeting. Another embodiment uses a dispenser that moves from region to region to deposit nucleic acids in specific spots.
  • Oligonucleotide probe arrays for expression monitoring can be made and used according to any techniques known in the art (see for example, Lockhart et al., Nat. Biotechnol. 14, 1675-1680 (1996); McGall et al., Proc. Nat. Acad. Sci. USA 93, 13555-13460 (1996). Such probe arrays may contain at least two or more oligonucleotides that are complementary to or hybridize to two or more of the genes described herein. Such arrays may also contain oligonucleotides that are complementary to or hybridize to at least 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 50, 70 or more of the genes described therein.
  • Gene Signature Differential Analysis.
  • Gene Signature Differential analysis is a method designed to detect genes present in one sample set, and absent in another. Genes with differential expression in cells from sites of infection or inflammation versus normal tissue are better diagnostic and therapeutic targets than genes that do not change in expression.
  • Hybridization
  • Nucleic acid hybridization simply involves contacting a probe and target nucleic acid under conditions where the probe and its complementary target can form stable hybrid duplexes through complementary base pairing (see WO 99/32660 to Lockhart). The nucleic acids that do not form hybrid duplexes are then washed away leaving the hybridized nucleic acids to be detected, typically through detection of an attached detectable label. It is generally recognized that nucleic acids are denatured by increasing the temperature or decreasing the salt concentration of the buffer containing the nucleic acids. Under low stringency conditions (e.g., low temperature and/or high salt) hybrid duplexes (e.g., DNA-DNA, RNA-RNA or RNA-DNA) will form even where the annealed sequences are not perfectly complementary. Thus, specificity of hybridization is reduced at lower stringency. Conversely, at higher stringency (e.g., higher temperature or lower salt) successful hybridization requires fewer mismatches. One of skill in the art will appreciate that hybridization conditions may be selected to provide any degree of stringency. In a preferred embodiment, hybridization is performed at low stringency, in this case in 6×SSPE-T at 37° C. (0.005% Triton x-100) to ensure hybridization and then subsequent washes are performed at higher stringency (e.g., 1×SSPE-T at 37° C.) to eliminate mismatched hybrid duplexes. Successive washes may be performed at increasingly higher stringency (e.g. down to as low as 0.25×SSPE-T at 37° C. to 50° C. until a desired level of hybridization specificity is obtained. Stringency can also be increased by addition of agents such as formamide. Hybridization specificity may be evaluated by comparison of hybridization to the test probes with hybridization to the various controls that can be present (e.g., expression level controls, normalization controls, mismatch controls, etc.).
  • In general, there is a tradeoff between hybridization specificity (stringency) and signal intensity. Thus, in a preferred embodiment, the wash is performed at the highest stringency that produces consistent results and that provides a signal intensity greater than approximately 10% of the background intensity. The hybridized array may be washed at successively higher stringency solutions and read between each wash. Analysis of the data sets thus produced will reveal a wash stringency above which the hybridization pattern is not appreciably altered and which provides adequate signal for the particular oligonucleotide probes of interest.
  • Signal Detection
  • The hybridized nucleic acids are typically detected by detecting one or more labels attached to the sample nucleic acids. The labels may be incorporated by any of a number of means well known to those of skill in the art (see WO 99/32660 to Lockhart).
  • Any suitable methods can be used to detect one or more of the markers described herein. For example, gas phase ion spectrometry can be used. This technique includes, e.g., laser desorption/ionization mass spectrometry. In some embodiments, the sample can be prepared prior to gas phase ion spectrometry, e.g., pre-fractionation, two-dimensional gel chromatography, high performance liquid chromatography, etc. to assist detection of markers. Detection of markers can be achieved using methods other than gas phase ion spectrometry. For example, traditional immunoassays (e.g., ELISA) can be used to detect the markers in a sample. These detection methods are described in detail below.
  • Detection by Gas Phase Ion Spectrometry
  • Markers present in a sample can also be detected using gas phase ion spectrometry, and more preferably, using mass spectrometry. In one embodiment, matrix-assisted laser desorption/ionization (“MALDI”) mass spectrometry can be used. In MALDI, the sample is typically quasi-purified to obtain a fraction that essentially consists of a marker or markers using protein separation methods such as two-dimensional gel electrophoresis or high performance liquid chromatography (HPLC).
  • In another embodiment, surface-enhanced laser desorption/ionization mass spectrometry (“SELDI”) can be used. SELDI uses a substrate comprising adsorbents to capture markers, which can then be directly desorbed and ionized from the substrate surface during mass spectrometry. Since the substrate surface in SELDI captures markers, a sample need not be quasi-purified as in MALDI. However, depending on the complexity of a sample and the type of adsorbents used, it may be desirable to prepare a sample to reduce its complexity prior to SELDI analysis.
  • Various sample preparation methods to assist detection of markers in a sample and gas phase ion spectrometry methods are described in detail below. Optionally, one or combination of methods described below or other methods known in the art can be used to prepare a sample to further assist detection and characterization of markers in a sample. In some embodiments) a sample can be pre-fractionated to provide a less complex sample prior to gas phase ion spectrometry analysis. Moreover, pre-fractionation protocols can provide additional information regarding physical and chemical characteristics of markers. For example, if a sample was pre-fractionated using an anion-exchange spin column, and if a marker is eluted at a certain pH, this elution characteristic provides information regarding binding properties of the marker. In another example, a sample can be pre-fractionated by removing proteins or other molecules in the sample that are present in a high quantity or that may interfere with the detection of markers in a sample. In another embodiment, a sample can be pre-fractionated according to size of proteins in a sample using size exclusion chromatography. For a biological sample wherein the amount of sample available is small, preferably a size selection spin column is used. For example, K-30 spin column (Ciphergen Biosystems, Inc.) can be used. In general, the first fraction that is eluted from the column (“fraction 1”) has the highest percentage of high molecular weight proteins; fraction 2 has a lower percentage of high molecular weight proteins; fraction 3 has even a lower percentage of high molecular weight proteins; fraction 4 has the lowest amount of large proteins; and so on. Each fraction can then be analyzed by gas phase ion spectrometry for the detection of markers. In still another embodiment, biomolecules in a sample can be separated by high-resolution electrophoresis, e.g., one or two-dimensional gel electrophoresis. A fraction containing a marker can be isolated and further analyzed by gas phase ion spectrometry. Preferably, two-dimensional gel electrophoresis is used to generate two-dimensional array of spots of biomolecules, including one or more markers. See, e.g., Jungblut and Thiede, Mass Spectr. Rev. 16:145-162 (1997).
  • The two-dimensional gel electrophoresis can be performed using methods known in the art. See, e.g., Deutscher ed., Methods In Enzymology vol. 182. Typically, biomolecules in a sample are separated by, e.g., isoelectric focusing, during which biomolecules in a sample are separated in a pH gradient until they reach a spot where their net charge is zero (i.e., isoelectric point). This first separation step results in one-dimensional array of biomolecules. The biomolecules in one dimensional array is further separated using a technique generally distinct from that used in the first separation step. For example, in the second dimension, biomolecules separated by isoelectric focusing are further separated using a polyacrylamide gel, such as polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate (SDS-PAGE). SDS-PAGE gel allows further separation based on molecular mass of biomolecules. Typically, two-dimensional gel electrophoresis can separate chemically different biomolecules in the molecular mass range from 1000-200,000 Da within complex mixtures.
  • Biomolecules in the two-dimensional array can be detected using any suitable methods known in the art. For example, biomolecules in a gel can be labeled or stained (e.g. Coomassie Blue or silver staining). If gel electrophoresis generates spots that correspond to the molecular weight of one or more markers of the invention, the spot can be is further analyzed by gas phase ion spectrometry. For example, spots can be excised from the gel and analyzed by gas phase ion spectrometry. Alternatively, the gel containing biomolecules can be transferred to an inert membrane by applying an electric field. Then a spot on the membrane that approximately corresponds to the molecular weight of a marker can be analyzed by gas phase ion spectrometry. In gas phase ion spectrometry, the spots can be analyzed using any suitable techniques, such as MALDI or SELDI (e.g., using ProteinChip® array) as described in detail below.
  • Prior to gas phase ion spectrometry analysis, it may be desirable to cleave biomolecules in the spot into smaller fragments using cleaving reagents, such as proteases (e.g., trypin). The digestion of biomolecules into small fragments provides a mass fingerprint of the biomolecules in the spot, which can be used to determine the identity of markers if desired.
  • High Performance Liquid Chromatography
  • In yet another embodiment, high performance liquid chromatography (HPLC) can be used to separate a mixture of biomolecules in a sample based on their different physical properties, such as polarity, charge and size. HPLC instruments typically consist of a reservoir of mobile phase, a pump, an injector, a separation column, and a detector. Biomolecules in a sample are separated by injecting an aliquot of the sample onto the column. Different biomolecules in the mixture pass through the column at different rates due to differences in their partitioning behavior between the mobile liquid phase and the stationary phase. A fraction that corresponds to the molecular weight and/or physical properties of one or more markers can be collected. The fraction can then be analyzed by gas phase ion spectrometry to detect markers. For example, the spots can be analyzed using either MALDI or SELDI (e.g., using ProteinChip® array).
  • Desorption/Ionization and Detection
  • Markers can be ionized using gas phase ion spectrometry. Any suitable gas phase ion spectrometers can be used as long as it allows markers on the substrate to be resolved. Preferably, gas phase ion spectrometers allow quantitation of markers. In one embodiment, a gas phase ion spectrometer is a mass spectrometer. In a typical mass spectrometer, a substrate or a probe comprising markers on its surface is introduced into an inlet system of the mass spectrometer. The markers are then desorbed by a desorption source such as a laser, fast atom bombardment, high energy plasma, electrospray ionization, thermospray ionization, liquid secondary ion MS, field desorption, etc. The generated desorbed, volatilized species consist of preformed ions or neutrals which are ionized as a direct consequence of the desorption event. Generated ions are collected by an ion optic assembly, and then a mass analyzer disperses and analyzes the passing ions. The ions exiting the mass analyzer are detected by a detector. The detector then translates information of the detected ions into mass-to-charge ratios. Detection of the presence of markers or other substances will typically involve detection of signal intensity. This, in turn, can reflect the quantity and character of markers bound to the substrate. In laser desorption mass spectrometry, a substrate or a probe comprising markers is introduced into an inlet system. The markers are desorbed and ionized into the gas phase by laser from the ionization source. The ions generated are collected by an ion optic assembly, and then in a time-of-flight mass analyzer, ions are accelerated through a short high voltage field and let drift into a high vacuum chamber. At the far end of the high vacuum chamber, the accelerated ions strike a sensitive detector surface at a different time. Since the time-of-flight is a function of the mass of the ions, the elapsed time between ion formation and ion detector impact can be used to identify the presence or absence of markers of specific mass to charge ratio. In another embodiment, an ion mobility spectrometer can be used to detect markers. The principle of ion mobility spectrometry is based on different mobility of ions. Specifically, ions of a sample produced by ionization move at different rates, due to their difference in, e.g., mass, charge, or shape, through a tube under the influence of an electric field. The ions (typically in the form of a current) are registered at the detector which can then be used to identify a marker or other substances in a sample. One advantage of ion mobility spectrometry is that it can operate at atmospheric pressure. In yet another embodiment, a total ion current measuring device can be used to detect and characterize markers. This device can be used when the substrate has only a single type of marker. When a single type of marker is on the substrate, the total current generated from the ionized marker reflects the quantity and other characteristics of the marker. The total ion current produced by the marker can then be compared to a control (e.g., a total ion current of a known compound). The quantity or other characteristics of the marker can then be determined.
  • Detection by Immunoassay
  • In another embodiment, an immunoassay can be used to detect and analyze markers in a sample. This method comprises: (a) providing an antibody that specifically binds to a marker; b) contacting a sample with the antibody; and (c) detecting the presence of a complex of the antibody bound to the marker in the sample. To prepare an antibody that specifically binds to a marker, purified markers or their nucleic acid sequences can be used. Nucleic acid and amino acid sequences for markers can be obtained by further characterization of these markers. Using the purified markers or their nucleic acid sequences, antibodies that specifically bind to a marker can be prepared using any suitable methods known in the art. See, e.g., Coligan, Current Protocols in Immunology (1991); Harlow & Lane, Antibodies: A Laboratory Manual (1988); Goding, Monoclonal Antibodies Principles and Practice (2d ed. 1986); and Kohler & Milstein, Nature 256:495-497 (1975). Such techniques include, but are not limited to, antibody preparation by selection of antibodies from libraries of recombinant antibodies in phage or similar vectors, as well as preparation of polyclonal and monoclonal antibodies by immunizing rabbits or mice (see, e.g., Huse et al., Science 246:1275-1281 (1989); Ward et al., Nature 341:544-546 (1989)).
  • After the antibody is provided, a marker can be detected and/or quantified using any of suitable immunological binding assays known in the art (see, e.g., U.S. Pat. Nos. 4,366,241; 4,376,110; 4,517,288; and 4,837,168). Useful assays include, for example, an enzyme immune assay (EIA) such as enzyme-linked immunosorbent assay (ELISA), a radioimmune assay (RIA), a Western blot assay, or a slot blot assay. These methods are also described in, e.g., Methods in Cell Biology. Antibodies in Cell Biology, volume 37 (Asai, ed. 1993); Basic and Clinical Immunology (Stites & Terr, eds., 7th ed. 1991); and Harlow & Lane, supra.
  • Generally, a sample obtained from a subject can be contacted with the antibody that specifically binds the marker. Optionally, the antibody can be fixed to a solid support to facilitate washing and subsequent isolation of the complex, prior to contacting the antibody with a sample. Examples of solid supports include glass or plastic in the form of, e.g., a microtiter plate, a stick, a bead, or a microbead. Antibodies can also be attached to a probe substrate or ProteinChip® array and can be analyzed by gas phase ion spectrometry as described above. The sample is preferably a biological fluid sample taken from a subject. Examples of biological samples include urine, barbotage, blood, serum, plasma, tears, saliva, cerebrospinal fluid, urine, tissue, etc. In a preferred embodiment, the biological fluid comprises synovial fluid. The sample can be diluted with a suitable diluent before contacting the sample to the antibody.
  • After incubating the sample with antibodies, the mixture is washed and the antibody-marker complex formed can be detected. This can be accomplished by incubating the washed mixture with a detection reagent. This detection reagent may be, e.g., a second antibody which is labeled with a detectable label. Exemplary detectable labels include magnetic beads (e.g., DYNABEADS™), fluorescent dyes, radiolabels, enzymes (e.g., horse radish peroxide, alkaline phosphatase and others commonly used in an ELISA), and calorimetric labels such as colloidal gold or colored glass or plastic beads. Alternatively, the marker in the sample can be detected using an indirect assay, wherein, for example, a second, labeled antibody is used to detect bound marker-specific antibody, and/or in a competition or inhibition assay wherein, for example, a monoclonal antibody which binds to a distinct epitope of the marker is incubated simultaneously with the mixture.
  • Databases
  • Databases may contain information associated with a given cell or tissue sample such as descriptive information concerning the clinical status of the tissue sample, or the patient from which the sample was derived. The database may be designed to include different parts, for instance a sequences database and a gene expression database. Methods for the configuration and construction of such databases are widely available, for instance, see U.S. Pat. No. 5,953,727 Akerblom et al. Any appropriate computer platform may be used to perform the necessary comparisons between sequence information, gene expression information and any other information in the database or provided as an input. For example, a large number of computer workstations are available from a variety of manufacturers, such has those available from Silicon Graphics. Client-server environments, database servers and networks are also widely available and appropriate platforms for the databases of the invention. The databases may be used to produce, among other things, electronic Northerns to allow the user to determine the cell type or tissue in which a given gene is expressed and to allow determination of the abundance or expression level of a given gene in a particular tissue or cell.
  • Patterns can be compared manually (by a person) or by a computer or other machine. An algorithm can be used to detect similarities and differences. The algorithm may score and compare, for example, the genes which are expressed and the genes which are not expressed. Alternatively, the algorithm may look for changes in intensity of expression of a particular gene and score changes in intensity between two samples. A variety of such algorithms are known in the art. Similarities may be determined on the basis of genes which are expressed in both samples and genes which are not expressed in both samples or on the basis of genes whose intensity of expression are numerically similar. Differences are considered significant when they are greater than 2-fold, 3-fold or 5-fold from the base value. Alternatively, a mathematical approach can be used to conclude whether differences in the gene expression exhibited by different samples is significant (see, e.g., Golub et al., Science 286, 531 (1999). One approach to determine whether a sample is more similar to or has maximum similarity with a given condition (e.g., a particular grade or stage of tumor progression) is to compare the Euclidean distances (see Golub et al. and Example 6) between the sample and one or more pools representing different conditions for comparison; the pool with the smallest vector angle is then chosen as the most similar to the test sample among the pools compared.
  • Diagnostic Kits
  • Kits can be prepared for use within any of the above diagnostic methods. Such kits typically include two or more components necessary for performing a diagnostic assay Components may be compounds, reagents, containers and/or equipment. For example, one container within a kit may contain a monoclonal antibody or fragment thereof that specifically binds to protein found to be differentially expressed in a specific type of local inflammation. Such antibodies or fragments may be provided attached to a support material, as described above. One or more additional containers may enclose elements, such as reagents or buffers, to be used in the assay. Such kits may also, or alternatively, contain a detection reagent as described above that contains a reporter group suitable for direct or indirect detection of antibody binding.
  • Alternatively, a kit may be designed to detect the level of mRNA encoding a protein in a biological sample. Such kits generally comprise at least one oligonucleotide probe or primer, as described above, that hybridizes to a polynucleotide encoding a lung tumor protein. Such an oligonucleotide may be used, for example, within a PCR or hybridization assay. Additional components that may be present within such kits include a second oligonucleotide and/or a diagnostic reagent or container to facilitate the detection of a polynucleotide encoding a protein.
  • In one example, a patient has an acutely inflamed total knee arthroplasty site. The knee effusion is aspirated and RNA is isolated and purified from the fluid's cellular content. The gene expression of cells in the fluid is determined using an Affymetrix® U133A Human microarray chip. The pattern of gene expression (all or one or more of those identified as described in the examples by comparison to known controls) is found to match the pattern exhibited by other cases of acute infection. Specific microarrays could be generated and included in a kit, allowing the specific evaluation of genes known to be differentially expressed in local inflammatory conditions. In another example, a patient has an acutely inflamed total knee arthroplasty site. The knee effusion is aspirated and the fluid is stored in a fashion that preserves overall protein integrity. The inflamed fluid is used as the sample for ELISA testing. The sample can be diluted before testing. ELISA testing is directed at detection of proteins that are products of genes found to be differentially expressed in various forms of local inflammation. The protein expression levels, measured by ELISA, are compared to sample standards in order to assign a diagnosis. A kit could be provided, utilizing immunochemistry in fluid or solid state, to measure the levels of a specific set of genes to aid in the diagnosis of local inflammatory diseases. In yet another example, a sample is attained through biopsy or surgical excision. It may be prepared in a variety of methods including frozen section, paraffin embedding, etc. Once on a slide, it is stained with antibody and marker preparations. An antibody to a gene that is upregulated in a specific form of inflammation is used to stain the sample. The white blood cells (“WBC”) on the slide are then analyzed for evidence of gene expression based on protein binding. A single or combination of antibodies could be used on solid tissue, in an effort to diagnose the underlying etiology of inflammation. They could be provided together in a kit for the pathologic diagnosis of local acute inflammatory diseases and conditions.
  • The following examples are offered by way of illustration and not by way of limitation.
    • Example 1 Method of RNA isolation from Synovial Fluid Lymphocytes
  • Suitable RNA stabilizing solutions are commercially available, for example, from Ambion, Inc.
      • 1. Synovial fluid is added to RNAlater® (Ambion Inc.) at a 1:3 ratio and is immediately mixed.
      • 2. The mixture is stable at room temperature for 3 hours, in a clinical refrigerator for 1 day and in a freezer indefinitely.
      • 3. Centrifuge 2 cc sample for 1 minute in a microfuge.
      • 4. Remove the supernatant and add 800 μl lysis fluid (Ambion Inc.), and 50 μl of sodium acetate solution (Ambion Inc.)
      • 5. Resuspend pellet with an 18 g needle and syringe.
      • 6. Add 500 μl of Acid-phenol:chloroform and vortex 30 seconds.
      • 7. Incubate at room temperature for 5 min. then microfuge for 10 min.
      • 8. Transfer upper aqueous phase to a new tube.
      • 9. Add ½ volume of 100% ethanol and mix.
      • 10. Pass 9 through a filter cartridge (Ambion Inc.) and wash with 700 μl of wash solution 1 ((Ambion Inc.).
      • 11. Wash 2× with 700 μl of wash solution 2/3 (Ambion Inc.)
      • 12. Spin on microfuge for 1 minute to dry.
      • 13. Elute with elution buffer (Ambion Inc.)
    Example 2 Isolating and Evaluating-RNA from Inflammatory Fluids, for the Purposes of Identifying Differential Expression
  • This example describes the identification of genes that are differentially expressed in the acute synovial fluid infiltrate that results after S. aureus joint infection. The acute synovial infiltrate resulting from gout is used as an aseptic control.
  • Synovial fluid samples were aspirated from seven patients with acute S. aureus knee infections and five patients with acute gout of the knee. Some patients had total knee arthroplasties. All patients in both groups had approximately 90% neutrophils in the synovial fluid. All patients with S. aureus infection exhibited fever, acute arthritis, multiple positive S. aureus cultures, high CRP values (average, 22; range, 1.9-34), high ESR (average, 90; range, 39-125), and an elevated synovial WBC count (average, 90,000 cells/mm3; range, 27,000-183,000; average differential, 93% neutrophils). Five samples were from infected total knee arthroplasties and two samples were from infected native knees. All patient samples with gout revealed monosodium urate crystals, elevated synovial WBC count (average, 10,000; range, 800-16,000, average differential 90% neutrophils) and clinical resolution without antibiotics. All samples were in native knees.
  • The synovial fluid was added in a 1:3 ratio to RNAlater (Ambion Inc.) for stabilization and preservation of the RNA profile in the inflammatory cells of the fluid, as described in example 1. The mixture was agitated and stored at 20 degrees Celsius for eventual isolation and purification of RNA. At a later date, each sample mixture was centrifuged for collection of the inflammatory cells. The pellet was resuspended in a homogenization buffer and agitated by needle technique using a 10 cc syringe and an 18 gauge needle. Phenol:chloroform extraction techniques were used to create an aqueous layer of fluid containing partially purified RNA. The aqueous layer was then applied to an RNA binding filter (Ambion Inc.) attached to a microfuge tube. The bound RNA was washed with a variety of detergent buffers and finally eluted with hot elution buffer. The resulting fluid was assessed by spectrophotometry and the Agilent bioanalyzer for RNA purity and quantity. The RNA was found to be pure.
  • The RNA samples were then applied to Affymetrix® microarrays (U133A). All protocols were conducted as described in the Affymetrix® GeneChip Expression Analysis Technical Manual. Briefly, 5 μg of total RNA was converted to first-strand cDNA using Superscript II reverse transcriptase. Second-strand cDNA synthesis was followed by in vitro transcription for linear amplification of each transcript and incorporation of biotinylated CTP and UTP. The cRNA products were fragmented to 200 nucleotides or less, and hybridized for 16 hours to the microarrays. The microarrays were then washed at low (6×SSPE) and high (100 mM MES, 0.1M NaCl) stringency and stained with streptavidin-phycoerythrin. Fluorescence was amplified by adding biotinylated anti-streptavidin and an additional aliquot of streptavidin-phycoerythrin stain. A confocal scanner was used to collect fluorescence signal at 3 um resolution after excitation at 570 nm. The average signal from two sequential scans was calculated for each microarray feature. It was found that even though the two groups (gout and S. aureus) had similar cell and differential counts on synovial fluid analysis, the gene expression signatures in these cells was very different. Tables I and II list the gene expression in order of greatest change. About 1600 genes showed a statistically different expression level between the two groups, as shown in Table I (upregulation in septic versus aseptic inflammation) and Table II (downregulation in septic versus aseptic inflammation). As indicated in Tables I and II, “source” can be inputted into the internet (GeneBank) or through Affymetrix® to obtain the name, description and other identifying information relating to each gene and encoded product. The results are ordered by degree of change in expression.
  • This study established that one can analyze white blood cell or neutrophil gene expression as a diagnostic tool anywhere in the body or using a sample extracted from the body, for example, in synovial fluid. More specifically, it has been demonstrated in vivo, that an acute white blood cell infiltrate is associated with a gene expression profile that is specific for the underlying source of inflammation.
    • Example 3 Identification of Genes that are Differentially Expressed Between Patients with Acute Infection and Aseptic Loosening
  • The materials and methods are identical to those described in Example 1 with the following exceptions.
  • Genes were identified that are differentially expressed in acute synovial fluid infiltrate between patients with acute infection and patients with aseptic loosening of total knee arthroplasty. Aseptic loosening is a loosening of the total joint without involvement of bacteria. Five patients with acute infection, which met strict inclusion criteria including purulence, high synovial white blood cell (WBC) count, high Erythrocyte sedimentation rate (ESR)/C-reactive protein (CRP) lab values, and positive microbial culture were analyzed. Eleven patients with aseptic loosening, which had low ESR/CRP lab values, low synovial WBC count, negative microbial cultures, and x-ray evidence of a loose arthroplasty were analyzed.
  • RNA was isolated from the cells in the synovial aspirate, and prepared for analysis with the Affymetrix®U133 Plus 2.0 array as described above. The data was analyzed by similar methods as described in Example 2 to identify differentially expressed genes.
  • As expected, many genes were differentially expressed between patients with acute infection and patients with aseptic loosening. 2451 genes showed a statistically different level of expression between the two groups when setting the false discovery rate to 5% and using rank products analysis (All raw data was sent to the to The Sir Henry Welcome Functional Genomics Facility & Bioinformatics Research Centre at Glasgow University).
  • Many of the genes identified in Example 1, were also identified as being differentially expressed between patients with acute infection and patients with aseptic loosening as described in this example. These results demonstrate that global markers specific for the underlying source of infection are produced by WBCs and have diagnostic value. All of the previously identified genes have potential diagnostic value in identifying clinical cases of infection. Genes that were differentially expressed in Example 1 and in the present example include, but are not limited to, skin-derived antileukoproteinase (SKALP) (PI3), interleukin-1 beta (IL1B), interleukin-8 (IL8), Interleukin-1 receptor-associated kinase 3 (IRAK3), CC chemokine ligand 3 (CCL3), CC chemokine ligand 4 (CCL4), superoxide dismutase 2 (SOD2), Nuclear Factor of Kappa light polypeptide gene enhancer in B-cells Inhibitor, Alpha (NFKBIA), Nijmegen breakage syndrome 1 (NBS1), tumor necrosis factor alpha-induced protein 6 (TNFAIP6), and plasminogen activator, urokinase (PLAU).
  • As expected from the results in Example 1, these results demonstrate that genes expressed from WBCs at the site of local inflammation have diagnostic value in terms of identifying the etiology of local inflammation. In other words, these results demonstrate that determining the level of expression of one or more genes in a clinical sample obtained from a site of local inflammation facilitates diagnosis of the source of that inflammation.
  • TABLE I
    Genes whose Expression is Upregulated in Septic as
    compared to Aseptic Inflammation
    Affymetrix ® Fold Gene
    Rank U133A name Change “Source” symbol
    1 203691_at −19.55 NM_002638 PI3
    2 206025_s_at −13.37 AW188198 TNFAIP6
    3 221345_at −8.96 NM_005306 GPR43
    4 202269_x_at −9.81 BC002666 GBP1
    5 204103_at −13.31 NM_002984 CCL4
    6 205114_s_at −9.83 NM_002983 CCL3
    7 205220_at −6.94 NM_006018 HM74
    8 41469_at −10.79 L10343 PI3
    9 36711_at −9.5 AL021977 MAFF
    10 205479_s_at −9.94 NM_002658 PLAU
    11 204224_s_at −10.78 NM_000161 GCH1
    12 215078_at −9.41 AL050388 SOD2
    13 203021_at −10.19 NM_003064 SLPI
    14 218507_at −8.6 NM_013332 HIG2
    15 212657_s_at −8.38 U65590 IL1RN
    16 202643_s_at −6.63 AI738896 TNFAIP3
    17 209969_s_at −6.06 BC002704 STAT1
    18 205067_at −5.89 NM_000576 IL1B
    19 202193_at −6.66 NM_005569 LIMK2
    20 202270_at −7.5 NM_002053 GBP1
    21 202905_x_at −6.62 AI796269 NBS1
    22 39402_at −5.36 M15330 IL1B
    23 206026_s_at −6.08 NM_007115 TNFAIP6
    24 202906_s_at −7.46 AF049895 NBS1
    25 211668_s_at −7.87 K03226 PLAU
    26 201502_s_at −6.66 AI078167 NFKBIA
    27 217299_s_at −6.18 AK001017 NBS1
    28 205040_at −8.1 NM_000607 ORM1
    29 205041_s_at −8.1 NM_000607 ORM1
    30 203470_s_at −4.99 AI433595 PLEK
    31 216841_s_at −4.44 X15132 SOD2
    32 215223_s_at −4.64 W46388 SOD2
    33 211434_s_at −6.39 AF015524 CCRL2
    34 202887_s_at −4.3 NM_019058 RTP801
    35 214974_x_at −4.5 AK026546 CXCL5
    36 202644_s_at −5.36 NM_006290 TNFAIP3
    37 218280_x_at −5.2 NM_003516 —
    38 207196_s_at −5.4 NM_006058 TNIP1
    39 209774_x_at −6.47 M57731 CXCL2
    40 213524_s_at −4.47 NM_015714 G0S2
    41 202638_s_at −4.29 NM_000201 ICAM1
    42 209288_s_at −4.57 AL136842 CDC42EP3
    43 205863_at −4.37 NM_005621 S100A12
    44 212090_at −4.71 AL571424 GRINA
    45 205013_s_at −6.03 NM_000675 ADORA2A
    46 218810_at −4.96 NM_025079 FLJ23231
    47 209050_s_at −5.93 AI421559 RALGDS
    48 202581_at −8.84 NM_005346 HSPA1A
    49 214290_s_at −4 AI313324 —
    50 210582_s_at −3.78 AL117466 LIMK2
    51 207907_at −5.1 NM_003807 TNFSF14
    52 209051_s_at −5.06 AF295773 RALGDS
    53 205476_at −5.25 NM_004591 CCL20
    54 201169_s_at −4.62 BG326045 BHLHB2
    55 201489_at −5.1 BC005020 PPIF
    56 221920_s_at −3.44 BE677761 MSCP
    57 206637_at −4.81 NM_014879 GPR105
    58 204351_at −4.19 NM_005980 S100P
    59 207574_s_at −3.81 NM_015675 GADD45B
    60 210845_s_at −4.65 U08839 PLAUR
    61 213716_s_at −4.18 BF939675 SECTM1
    62 222088_s_at −2.67 AA778684 SLC2A14
    63 209038_s_at −4.31 AL579035 EHD1
    64 213638_at −3.75 AW054711 RPEL1
    65 212659_s_at −3.49 AW083357 IL1RN
    66 218880_at −4.58 N36408 FOSL2
    67 222221_x_at −3.74 AY007161 EHD1
    68 202014_at −4.22 NM_014330 PPP1R15A
    69 202531_at −4.54 NM_002198 IRF1
    70 207850_at −4.67 NM_002090 CXCL3
    71 209305_s_at −3.94 AF078077 GADD45B
    72 202748_at −3.6 NM_004120 GBP2
    73 204908_s_at −3.83 NM_005178 BCL3
    74 200800_s_at −4.78 NM_005345 HSPA1A
    75 204279_at −3.68 NM_002800 PSMB9
    76 209304_x_at −3.43 AF087853 GADD45B
    77 202637_s_at −3.5 AI608725 —
    78 218695_at −4.77 NM_019037 RRP41
    79 202284_s_at −4.22 NM_000389 CDKN1A
    80 37028_at −4.18 U83981 PPP1R15A
    81 220034_at −3.63 NM_007199 IRAK3
    82 209369_at −4.09 M63310 ANXA3
    83 208112_x_at −3.48 NM_006795 EHD1
    84 202307_s_at −3.7 NM_000593 TAP1
    85 204698_at −3.33 NM_002201 ISG20
    86 216243_s_at −3.02 BE563442 IL1RN
    87 218999_at −3.73 NM_018295 FLJ11000
    88 201490_s_at −3.14 NM_005729 PPIF
    89 206420_at −3.33 NM_005849 IGSF6
    90 205681_at −2.92 NM_004049 BCL2A1
    91 202912_at −3.19 NM_001124 ADM
    92 202499_s_at −2.34 NM_006931 SLC2A3
    93 209039_x_at −3.3 AF001434 EHD1
    94 211924_s_at −3.37 AY029180 PLAUR
    95 211883_x_at −3.1 M76742 CEACAM1
    96 217475_s_at −2.73 AC002073 LIMK2
    97 211725_s_at −2.85 BC005884 BID
    98 216782_at −2.75 AK026679 —
    99 209498_at −3.12 X16354 CEACAM1
    100 209037_s_at −3.13 AW182860 EHD1
    101 201810_s_at −3.21 AL562152 SH3BP5
    102 202426_s_at −3.44 BE675800 RXRA
    103 58696_at −3.85 AL039469 RRP41
    104 33304_at −3.05 U88964 ISG20
    105 203045_at −3.22 NM_004148 NINJ1
    106 214657_s_at −3.2 AU134977 —
    107 205270_s_at −3.16 NM_005565 LCP2
    108 214414_x_at −3.19 T50399 HBA1
    109 203137_at −3.15 NM_004906 WTAP
    110 219938_s_at −3.85 NM_024430 PSTPIP2
    111 219669_at −3.39 NM_020406 PRV1
    112 211372_s_at −2.67 U64094 IL1R2
    113 200986_at −4.04 NM_000062 SERPING1
    114 202907_s_at −3.23 NM_002485 NBS1
    115 201649_at −3.45 NM_004223 UBE2L6
    116 201601_x_at −2.62 NM_003641 IFITM1
    117 203234_at −3.05 NM_003364 UPP1
    118 222303_at −2.74 AV700891 ETS2
    119 213812_s_at −3.13 AK024748 CAMKK2
    120 218033_s_at −2.78 NM_003498 SNN
    121 204470_at −2.93 NM_001511 CXCL1
    122 217497_at −2.97 AW613387 ECGF1
    123 216236_s_at −2.97 AL110298 SLC2A14
    124 204070_at −3.17 NM_004585 RARRES3
    125 201473_at −2.78 NM_002229 JUNB
    126 205269_at −2.9 AI123251 LCP2
    127 205322_s_at −2.81 AW182367 —
    128 204951_at −2.36 NM_004310 ARHH
    129 202498_s_at −2.63 BE550486 SLC2A3
    130 205403_at −2.31 NM_004633 IL1R2
    131 203471_s_at −3.01 NM_002664 PLEK
    132 215977_x_at −3.16 X68285 GK
    133 215966_x_at −3.11 AA292874 GK
    134 211527_x_at −3.15 M27281 VEGF
    135 217977_at −2.57 NM_016332 SEPX1
    136 204780_s_at −2.28 AA164751 TNFRSF6
    137 213700_s_at −3.04 AA554945 PKM2
    138 206765_at −3.02 AF153820 KCNJ2
    139 203936_s_at −3.19 NM_004994 MMP9
    140 207111_at −2.42 NM_001974 EMR1
    141 204748_at −2.54 NM_000963 PTGS2
    142 41386_i_at −3.01 AB002344 KIAA0346
    143 201294_s_at −2.71 N24643 WSB1
    144 200887_s_at −3.36 NM_007315 STAT1
    145 209367_at −3.08 AB002559 STXBP2
    146 91684_g_at −2.81 AI571298 RRP41
    147 217167_x_at −3.08 AJ252550 —
    148 202497_x_at −2.91 AI631159 SLC2A3
    149 208829_at −2.35 AF029750 TAPBP
    150 209286_at −2.52 AI754416 CDC42EP3
    151 215760_s_at −2.85 AC005390 KIAA0963
    152 202807_s_at −2.83 NM_005488 TOM1
    153 205781_at −2.6 NM_004913 C16orf7
    154 214022_s_at −2.27 AA749101 IFITM1
    155 219622_at −2.52 NM_017817 RAB20
    156 204961_s_at −2.89 NM_000265 NCF1
    157 201362_at −2.85 AF205218 IVNS1ABP
    158 210119_at −2.31 U73191 KCNJ15
    159 220712_at −2.51 NM_024984 —
    160 210285_x_at −2.4 BC000383 WTAP
    161 202464_s_at −2.62 NM_004566 PFKFB3
    162 217995_at −2.71 NM_021199 SQRDL
    163 210512_s_at −3.03 AF022375 VEGF
    164 209803_s_at −4.1 AF001294 PHLDA2
    165 209310_s_at −2.76 U25804 CASP4
    166 208092_s_at −2.21 NM_030797 DKFZP566A1524
    167 208992_s_at −2.42 BC000627 STAT3
    168 200666_s_at −3.28 NM_006145 DNAJB1
    169 200999_s_at −2.76 NM_006825 CKAP4
    170 213038_at −2.29 AL031602 FLJ90005
    171 214637_at −1.98 BG437034 OSM
    172 208749_x_at −2.35 AF085357 FLOT1
    173 220193_at −2.69 NM_024676 FLJ22938
    174 211965_at −2.33 BE620915 ZFP36L1
    175 205205_at −2.5 NM_006509 RELB
    176 204116_at −2.62 NM_000206 IL2RG
    177 201811_x_at −2.5 NM_004844 SH3BP5
    178 207535_s_at −2.5 NM_002502 NFKB2
    179 218618_s_at −2.93 NM_022763 FAD104
    180 203068_at −2.47 NM_014851 KIAA0469
    181 201668_x_at −2.35 AW163148 MARCKS
    182 209282_at −2.68 AF309082 PRKD2
    183 215498_s_at −2.83 AA780381 MAP2K3
    184 211745_x_at −2.39 BC005931 HBA1
    185 202121_s_at −2.32 NM_014453 BC-2
    186 204669_s_at −2.6 NM_007219 RNF24
    187 221477_s_at −2.59 BF575213 SOD2
    188 220000_at −2.48 NM_003830 SIGLEC5
    189 201631_s_at −2.3 NM_003897 IER3
    190 210142_x_at −2.35 AF117234 FLOT1
    191 213146_at −2.48 AA521267 KIAA0346
    192 209636_at −2.68 BC002844 NFKB2
    193 211316_x_at −2.61 AF009616 CFLAR
    194 201772_at −2.02 NM_015878 OAZIN
    195 212492_s_at −2.47 AW237172 KIAA0876
    196 214722_at −2.88 AW516297 NOTCH2
    197 203897_at −2.33 BE963444 LOC57149
    198 202102_s_at −2.7 BF718610 BRD4
    199 204494_s_at −2.65 AW516789 DKFZP434H132
    200 210563_x_at −2.25 U97075 CFLAR
    201 205443_at −2.26 NM_003082 SNAPC1
    202 AFFX- −2.09 AFFX- —
    HUMISGF3A/ HUMISGF3A/
    M97935_MA_at M97935_MA
    203 AFFX- −2.79 AFFX- —
    HUMISGF3A/ HUMISGF3A/
    M97935_3_at M97935_3
    204 221903_s_at −2.51 BE046443 CYLD
    205 209458_x_at −2.29 AF105974 HBA1
    206 212723_at −2.45 AK021780 PTDSR
    207 202510_s_at −2.7 NM_006291 TNFAIP2
    208 210511_s_at −2.73 M13436 INHBA
    209 206877_at −2.41 NM_002357 MAD
    210 216565_x_at −2.35 AL121994 —
    211 201363_s_at −2.38 AB020657 IVNS1ABP
    212 205193_at −2.15 NM_012323 MAFF
    213 200648_s_at −2.2 NM_002065 GLUL
    214 210513_s_at −2.46 AF091352 VEGF
    215 212481_s_at −2.11 AI214061 TPM4
    216 211889_x_at −2.35 D12502 CEACAM1
    217 208991_at −2.26 AA634272 STAT3
    218 212902_at −2.41 BE645231 SEC24A
    219 217414_x_at −2.44 V00489 —
    220 212974_at −2.35 AI808958 KIAA0870
    221 202872_at −2.27 AW024925 ATP6V1C1
    222 219540_at −2.28 AU150728 ZNF267
    223 217202_s_at −2.21 U08626 —
    224 215838_at −1.86 AF212842 LIR9
    225 203085_s_at −2.16 BC000125 TGFB1
    226 201329_s_at −2.42 NM_005239 ETS2
    227 217871_s_at −2.8 NM_002415 MIF
    228 205323_s_at −2.19 NM_005955 MTF1
    229 205409_at −2.11 NM_005253 FOSL2
    230 209795_at −2.89 L07555 CD69
    231 201846_s_at −2.17 NM_012234 RYBP
    232 211250_s_at −2.71 AB000463 SH3BP2
    233 211368_s_at −2.53 U13700 CASP1
    234 212226_s_at −2.83 AA628586 PPAP2B
    235 202022_at −2.39 NM_005165 ALDOC
    236 200799_at −2.69 NM_005345 HSPA1A
    237 204490_s_at −2.27 M24915 CD44
    238 212722_s_at −2.18 AK021780 PTDSR
    239 204435_at −2.24 NM_014778 NUPL1
    240 212203_x_at −2.05 BF338947 IFITM3
    241 211506_s_at −1.99 AF043337 —
    242 203927_at −2.91 NM_004556 NFKBIE
    243 207492_at −2.51 NM_025105 NGLY1
    244 205633_s_at −2.52 NM_000688 ALAS1
    245 212252_at −2.07 AA181179 CAMKK2
    246 215783_s_at −2.68 X14174 ALPL
    247 208928_at −2.28 AF258341 POR
    248 203175_at −2.27 NM_001665 ARHG
    249 217985_s_at −2.47 AA102574 BAZ1A
    250 200664_s_at −2.6 BG537255 DNAJB1
    251 211429_s_at −2.39 AF119873 —
    252 201411_s_at −2.36 NM_017958 PLEKHB2
    253 200075_s_at −2.44 BC006249 GUK1
    254 201471_s_at −2.42 NM_003900 SQSTM1
    255 208751_at −2.54 BC001165 NAPA
    256 201315_x_at −1.82 NM_006435 IFITM2
    257 220935_s_at −2.37 NM_018249 CDK5RAP2
    258 215719_x_at −1.64 X83493 TNFRSF6
    259 206011_at −2.55 AI719655 CASP1
    260 213817_at −2.64 AL049435 —
    261 202205_at −2.08 NM_003370 VASP
    262 211699_x_at −2.11 AF349571 HBA1
    263 212761_at −2.11 AI949687 TCF7L2
    264 200998_s_at −2.33 AW029619 CKAP4
    265 209116_x_at −2.3 M25079 HBB
    266 218881_s_at −2.1 NM_024530 FLJ23306
    267 209354_at −2.13 BC002794 TNFRSF14
    268 205367_at −2.66 NM_020979 APS
    269 208438_s_at −2.18 NM_005248 FGR
    270 209545_s_at −2.23 AF064824 RIPK2
    271 208436_s_at −2.42 NM_004030 IRF7
    272 209761_s_at −2.26 AA969194 SP110
    273 220330_s_at −2.46 NM_022136 SAMSN1
    274 200632_s_at −2.22 NM_006096 NDRG1
    275 200822_x_at −2.67 NM_000365 TPI1
    276 209835_x_at −2.22 BC004372 CD44
    277 204018_x_at −2.33 NM_000558 HBA1
    278 38269_at −2.19 AL050147 PRKD2
    279 216252_x_at −1.55 Z70519 TNFRSF6
    280 219434_at −1.85 NM_018643 TREM1
    281 218611_at −2.32 NM_016545 IER5
    282 214211_at −2.41 AA083483 FTH1
    283 216316_x_at −2 X78713 —
    284 218978_s_at −2.34 NM_018586 MSCP
    285 214084_x_at −2.41 AW072388 —
    286 209446_s_at −2.6 BC001743 FLJ10803
    287 209939_x_at −2.08 AF005775 CFLAR
    288 210789_x_at −2.28 L00692 CEACAM3
    289 204265_s_at −2.28 NM_022107 C6orf9
    290 204166_at −2.28 NM_014963 KIAA0963
    291 219210_s_at −2.18 NM_016530 LOC51762
    292 202545_at −2.19 NM_006254 PRKCD
    293 211696_x_at −1.98 AF349114 HBB
    294 218088_s_at −2.66 NM_022157 RRAGC
    295 206911_at −2.07 NM_005082 ZNF147
    296 204308_s_at −2.48 NM_014844 KIAA0329
    297 200649_at −2.45 BC002356 NUCB1
    298 213011_s_at −2.39 BF116254 TPI1
    299 202719_s_at −2.06 BC001451 TES
    300 41387_r_at −2.04 AB002344 KIAA0346
    301 205026_at −1.85 NM_012448 STAT5B
    302 221484_at −1.97 BF691447 B4GALT5
    303 205382_s_at −1.86 NM_001928 DF
    304 209046_s_at −2.22 AB030710 GABARAPL2
    305 204924_at −2.13 NM_003264 TLR2
    306 207677_s_at −2.22 NM_013416 NCF4
    307 203508_at −2.29 NM_001066 TNFRSF1B
    308 206245_s_at −2.38 NM_006469 IVNS1ABP
    309 219947_at −2.15 NM_016184 CLECSF6
    310 209930_s_at −2.48 L13974 NFE2
    311 219202_at −2.32 NM_024599 FLJ22341
    312 204907_s_at −2.17 AI829875 BCL3
    313 208610_s_at −2.04 AI655799 SRRM2
    314 211661_x_at −1.84 M80436 PTAFR
    315 201762_s_at −2.06 NM_002818 PSME2
    316 211302_s_at −1.85 L20966 PDE4B
    317 212014_x_at −2.13 AI493245 CD44
    318 219357_at −2.06 NM_014027 GTPBP1
    319 203006_at −2.09 NM_005539 INPP5A
    320 202833_s_at −2.14 NM_000295 SERPINA1
    321 203535_at −1.68 NM_002965 S100A9
    322 202856_s_at −2.12 NM_004207 SLC16A3
    323 36564_at −1.92 W27419 FLJ90005
    324 213988_s_at −2.09 BE971383 SAT
    325 216915_s_at −1.95 S69182 PTPN12
    326 201192_s_at −1.96 NM_006224 PITPN
    327 209457_at −1.97 U16996 DUSP5
    328 211806_s_at −2.27 D87291 KCNJ15
    329 204747_at −1.95 NM_001549 IFIT4
    330 219209_at −2.13 NM_022168 MDA5
    331 215101_s_at −1.76 BG166705 CXCL5
    332 201818_at −2.03 NM_024830 FLJ12443
    333 219082_at −2.71 NM_015944 CGI-14
    334 208918_s_at −2.01 AI334128 FLJ13052
    335 200646_s_at −1.96 NM_006184 NUCB1
    336 204157_s_at −1.95 NM_025164 KIAA0999
    337 209906_at −2.02 U62027 C3AR1
    338 214511_x_at −1.79 L03419 FCGR1A
    339 204489_s_at −2 NM_000610 CD44
    340 214486_x_at −2.14 AF041459 CFLAR
    341 218660_at −1.96 NM_003494 DYSF
    342 209933_s_at −2.04 AF020314 CMRF-35H
    343 203708_at −1.73 NM_002600 PDE4B
    344 209355_s_at −2.22 AB000889 PPAP2B
    345 214121_x_at −1.95 AA086229 ENIGMA
    346 201942_s_at −2.25 D85390 CPD
    347 207500_at −2.13 NM_004347 CASP5
    348 219593_at −2 NM_016582 SLC15A3
    349 212171_x_at −2.02 H95344 VEGF
    350 211317_s_at −1.84 AF041461 CFLAR
    351 208785_s_at −1.95 BE893893 —
    352 217078_s_at −2.02 AJ010102 CMRF-35H
    353 208637_x_at −1.96 BC003576 ACTN1
    354 221524_s_at −1.78 AF272036 RRAGD
    355 210564_x_at −1.85 AF009619 CFLAR
    356 209508_x_at −2.12 AF005774 CFLAR
    357 203233_at −1.74 NM_000418 IL4R
    358 202861_at −1.92 NM_002616 PER1
    359 205033_s_at −2.17 NM_004084 DEFA1
    360 206995_x_at −1.85 NM_003693 SCARF1
    361 221985_at −1.89 AW006750 FLJ20059
    362 202626_s_at −1.92 NM_002350 LYN
    363 220404_at −2.42 NM_014076 GPR97
    364 216950_s_at −2.09 X14355 FCGR1A
    365 209117_at −1.93 U79458 WBP2
    366 203591_s_at −1.66 NM_000760 CSF3R
    367 211275_s_at −1.56 AF087942 GYG
    368 221827_at −2.17 BE788439 C20orf18
    369 213418_at −1.93 NM_002155 HSPA6
    370 221764_at −1.87 AL574186 MGC16353
    371 214472_at −2.08 NM_003530 HIST1H3D
    372 210629_x_at −2.05 AF000425 LST1
    373 206082_at −1.85 NM_006674 HCP5
    374 209970_x_at −1.98 M87507 CASP1
    375 202093_s_at −1.89 NM_019088 PD2
    376 208748_s_at −1.65 AA507012 FLOT1
    377 202509_s_at −1.85 AI862445 TNFAIP2
    378 207674_at −1.52 NM_002000 FCAR
    379 217209_at −1.85 X16454 —
    380 204581_at −2.48 NM_001771 CD22
    381 206278_at −1.67 D10202 PTAFR
    382 205147_x_at −2.26 NM_000631 NCF4
    383 209193_at −1.86 M24779 PIM1
    384 201783_s_at −1.86 NM_021975 RELA
    385 212496_s_at −1.98 BE256900 KIAA0876
    386 209020_at −1.73 AF217514 C20orf111
    387 212860_at −1.78 BG168720 ZDHHC18
    388 32069_at −1.66 AB014515 N4BP1
    389 214792_x_at −2.18 AI955119 VAMP2
    390 200629_at −1.91 NM_004184 WARS
    391 211012_s_at −1.93 BC000080 PML
    392 204053_x_at −2.04 U96180 PTEN
    393 203925_at −2.04 NM_002061 GCLM
    394 215499_at −1.92 AA780381 MAP2K3
    395 211862_x_at −1.98 AF015451 CFLAR
    396 214014_at −1.8 W81196 CDC42EP2
    397 219774_at −1.67 NM_019044 FLJ10996
    398 200852_x_at −1.9 NM_005273 GNB2
    399 202146_at −1.88 AA747426 IFRD1
    400 201844_s_at −1.79 W84482 RYBP
    401 200744_s_at −1.91 AI741124 GNB1
    402 210190_at −1.61 AF071504 STX11
    403 208052_x_at −1.87 NM_001815 CEACAM3
    404 203904_x_at −1.82 NM_002231 KAI1
    405 31845_at −1.82 U32645 ELF4
    406 203194_s_at −1.94 AA527238 NUP98
    407 212268_at −1.84 NM_030666 SERPINB1
    408 202842_s_at −1.98 AL080081 DNAJB9
    409 206359_at −1.96 BG035761 SOCS3
    410 202934_at −1.83 AI761561 HK2
    411 211307_s_at −1.56 U43677 FCAR
    412 204232_at −1.99 NM_004106 FCER1G
    413 202769_at −1.89 AW134535 CCNG2
    414 210449_x_at −1.71 AF100544 MAPK14
    415 200924_s_at −2.23 NM_002394 SLC3A2
    416 220319_s_at −1.73 NM_013262 MIR
    417 210701_at −1.99 D85939 CFDP1
    418 204781_s_at −2.01 NM_000043 TNFRSF6
    419 208934_s_at −2.25 AF342815 LGALS8
    420 210029_at −1.73 M34455 INDO
    421 215485_s_at −1.71 AA284705 ICAM1
    422 221385_s_at −1.7 NM_005305 GPR42
    423 214681_at −2.08 AI830490 GK
    424 201353_s_at −1.89 AI653126 BAZ2A
    425 213138_at −1.81 M62324 MRF-1
    426 219911_s_at −1.84 NM_016354 SLC21A12
    427 212007_at −1.97 AI927512 UBXD2
    428 201841_s_at −1.91 NM_001540 HSPB1
    429 210916_s_at −1.93 AF098641 CD44
    430 205159_at −2.15 AV756141 CSF2RB
    431 205119_s_at −1.55 NM_002029 FPR1
    432 203882_at −1.85 NM_006084 ISGF3G
    433 212041_at −1.97 AL566172 ATP6V0D1
    434 203574_at −1.99 NM_005384 NFIL3
    435 205483_s_at −2.4 NM_005101 G1P2
    436 204192_at −2.01 NM_001774 CD37
    437 219742_at −1.58 NM_030567 MGC10772
    438 205312_at −2 NM_003120 SPI1
    439 211582_x_at −1.94 AF000424 LST1
    440 200898_s_at −1.88 AK002091 MGEA5
    441 211366_x_at −2 U13698 CASP1
    442 205965_at −1.78 NM_006399 BATF
    443 201625_s_at −1.92 BE300521 INSIG1
    444 201303_at −1.63 NM_014740 DDX48
    445 200966_x_at −1.93 NM_000034 ALDOA
    446 201400_at −1.88 NM_002795 PSMB3
    447 206567_s_at −1.71 NM_016436 C20orf104
    448 211561_x_at −1.69 L35253 MAPK14
    449 218855_at −2.25 NM_016372 TPRA40
    450 201531_at −2.09 NM_003407 ZFP36
    451 202150_s_at −1.71 U64317 NEDD9
    452 211968_s_at −1.53 AI962933 HSPCA
    453 221616_s_at −1.76 AF077053 TAF9L
    454 209383_at −1.73 BC003637 MARS
    455 117_at −1.78 X51757cds HSPA6
    456 213445_at −1.73 D63484 KIAA0150
    457 202671_s_at −2.33 NM_003681 PDXK
    458 209791_at −1.9 AL049569 PADI2
    459 207667_s_at −1.8 NM_002756 MAP2K3
    460 208864_s_at −1.65 AF313911 TXN
    461 211367_s_at −2 U13699 CASP1
    462 211160_x_at −1.88 M95178 ACTN1
    463 217232_x_at −1.61 AF059180 —
    464 221978_at −1.73 BE138825 HLA-F
    465 213593_s_at −2.03 AW978896 TRA2A
    466 213607_x_at −1.75 BE551347 —
    467 207275_s_at −1.5 NM_001995 FACL2
    468 202708_s_at −2.01 NM_003528 HIST2H2BE
    469 204095_s_at −1.62 AL521391 ELL
    470 202181_at −2.01 NM_014734 KIAA0247
    471 202241_at −1.79 NM_025195 C8FW
    472 219257_s_at −2.19 NM_021972 SPHK1
    473 218943_s_at −1.9 NM_014314 RIG-I
    474 214847_s_at −1.93 BG111168 C6orf9
    475 208499_s_at −1.58 NM_006260 DNAJC3
    476 201328_at −1.79 AL575509 ETS2
    477 219952_s_at −1.77 NM_020533 MCOLN1
    478 200730_s_at −1.65 BF576710 PTP4A1
    479 206491_s_at −1.73 NM_003827 NAPA
    480 219403_s_at −1.88 NM_006665 HPSE
    481 218154_at −1.61 NM_024736 FLJ12150
    482 215633_x_at −1.84 AV713720 LST1
    483 217492_s_at −1.87 AF023139 PTENP1
    484 219259_at −1.76 NM_022367 FLJ12287
    485 209272_at −1.81 AF045451 NAB1
    486 218404_at −2.05 NM_013322 SNX10
    487 220066_at −1.8 NM_022162 CARD15
    488 218673_s_at −1.75 NM_006395 GSA7
    489 219066_at −1.7 NM_021823 MDS018
    490 205180_s_at −1.85 NM_001109 ADAM8
    491 219359_at −1.9 NM_025092 FLJ22635
    492 201132_at −1.77 NM_019597 HNRPH2
    493 202855_s_at −1.86 AL513917 SLC16A3
    494 200766_at −1.92 NM_001909 CTSD
    495 204970_s_at −1.59 NM_002359 MAFG
    496 212769_at −1.95 AI567426 TLE3
    497 203922_s_at −1.93 AI308863 CYBB
    498 201670_s_at −1.81 M68956 MARCKS
    499 221962_s_at −1.7 AI829920 UBE2H
    500 200704_at −1.56 AB034747 LITAF
    501 209287_s_at −1.84 AF104857 CDC42EP3
    502 207113_s_at −1.66 NM_000594 TNF
    503 210706_s_at −2 BC000213 RNF24
    504 221755_at −1.99 BG334196 DKFZp762C186
    505 203692_s_at −1.68 AI640363 E2F3
    506 206472_s_at −1.92 NM_005078 TLE3
    507 214574_x_at −1.73 NM_007161 LST1
    508 205844_at −2.09 NM_004666 VNN1
    509 214687_x_at −1.91 AK026577 ALDOA
    510 203113_s_at −1.63 NM_001960 EEF1D
    511 205349_at −1.78 NM_002068 GNA15
    512 214017_s_at −1.82 AA039439 DHX34
    513 214911_s_at −1.71 S78771 BRD2
    514 221617_at −1.85 AF077053 TAF9L
    515 202910_s_at −1.81 NM_001784 CD97
    516 202140_s_at −1.67 NM_003992 CLK3
    517 203388_at −1.6 NM_004313 ARRB2
    518 213112_s_at −1.82 N30649 SQSTM1
    519 217966_s_at −1.78 NM_022083 C1orf24
    520 204269_at −1.64 NM_006875 PIM2
    521 206004_at −1.56 NM_003245 TGM3
    522 219690_at −1.77 NM_024660 FLJ22573
    523 201943_s_at −1.89 NM_001304 CPD
    524 216457_s_at −1.58 AK026080 SF3A1
    525 208485_x_at −1.87 NM_003879 CFLAR
    526 201168_x_at −2 NM_004309 ARHGDIA
    527 35254_at −1.71 AB007447 FLN29
    528 203394_s_at −1.55 BE973687 HES1
    529 210773_s_at −1.82 U81501 FPRL1
    530 206576_s_at −1.72 NM_001712 CEACAM1
    531 212680_x_at −1.7 BE305165 PPP1R14B
    532 200014_s_at −1.69 NM_004500 HNRPC
    533 218302_at −1.79 NM_018468 PEN2
    534 214268_s_at −1.89 AL042220 MTMR4
    535 221571_at −1.76 AI721219 TRAF3
    536 218136_s_at −1.81 NM_018579 MSCP
    537 209179_s_at −1.72 BC003164 LENG4
    538 202446_s_at −1.69 AI825926 PLSCR1
    539 200706_s_at −1.75 NM_004862 LITAF
    540 91703_at −1.95 AA149545 DKFZp762C186
    541 204493_at −1.61 NM_001196 BID
    542 203885_at −1.74 NM_014999 RAB21
    543 211133_x_at −1.65 AF009643 LILRB3
    544 211014_s_at −1.77 AF230410 PML
    545 222024_s_at −1.85 AK022014 AKAP13
    546 205945_at −1.83 NM_000565 IL6R
    547 214181_x_at −1.77 AI735692 NCR3
    548 200905_x_at −1.59 NM_005516 HLA-E
    549 211711_s_at −1.7 BC005821 PTEN
    550 210140_at −1.7 AF031824 CST7
    551 200733_s_at −1.56 U48296 PTP4A1
    552 215975_x_at −1.74 X68285 GK
    553 206571_s_at −1.83 NM_004834 MAP4K4
    554 209417_s_at −1.69 BC001356 IFI35
    555 211135_x_at −1.72 AF009644 LILRB3
    556 204225_at −1.99 NM_006037 MGC16025
    557 211013_x_at −1.61 AF230411 PML
    558 214508_x_at −1.57 U44836 CREM
    559 221704_s_at −1.63 BC005882 FLJ12750
    560 203419_at −1.84 NM_014727 MLL4
    561 211581_x_at −1.74 AF000426 LST1
    562 211816_x_at −1.51 D87858 FCAR
    563 215645_at −1.54 AF090883 FLJ11286
    564 209967_s_at −1.71 D14826 CREM
    565 200065_s_at −1.48 AF052179 ARF1
    566 210225_x_at −1.69 AF009635 LILRB3
    567 205068_s_at −1.79 BE671084 GRAF
    568 210772_at −1.76 M88107 FPRL1
    569 204769_s_at −1.63 M74447 TAP2
    570 217868_s_at −1.67 NM_016025 DREV1
    571 217817_at −1.95 BE891920 ARPC4
    572 211037_s_at −1.78 BC006309 LENG4
    573 215111_s_at −1.66 AK027071 TSC22
    574 221882_s_at −1.69 AI636233 TMEM8
    575 40420_at −1.79 AB015718 STK10
    576 203693_s_at −1.81 NM_001949 E2F3
    577 201926_s_at −1.33 BC001288 DAF
    578 210610_at −1.59 M69176 CEACAM1
    579 218438_s_at −1.63 NM_025205 EG1
    580 200971_s_at −1.61 NM_014445 SERP1
    581 205645_at −1.57 NM_004726 REPS2
    582 204121_at −1.67 NM_006705 GADD45G
    583 206707_x_at −1.66 NM_015864 C6orf32
    584 209919_x_at −1.79 L20490 GGT1
    585 207842_s_at −1.68 NM_007359 MLN51
    586 215148_s_at −1.73 AI141541 APBA3
    587 217941_s_at −1.76 NM_018695 ERBB2IP
    588 204858_s_at −1.63 NM_001953 ECGF1
    589 211716_x_at −1.9 BC005851 ARHGDIA
    590 210784_x_at −1.56 AF009634 LILRB3
    591 AFFX- −1.38 AFFX- —
    HUMISGF3A/ HUMISGF3A/
    M97935_5_at M97935_5
    592 201642_at −1.72 NM_005534 IFNGR2
    593 209216_at −1.59 BC000464 JM5
    594 201713_s_at −1.61 D42063 RANBP2
    595 211417_x_at −1.7 L20493 GGT1
    596 203616_at −1.62 NM_002690 POLB
    597 202081_at −1.7 NM_004907 ETR101
    598 201963_at −1.66 NM_021122 FACL2
    599 214618_at −1.62 AF015452 CFLAR
    600 209695_at −1.58 BC003105 PTP4A3
    601 210233_at −1.62 AF167343 IL1RAP
    602 202874_s_at −2.31 NM_001695 ATP6V1C1
    603 205627_at −1.56 NM_001785 CDA
    604 214446_at −1.75 NM_012081 ELL2
    605 36994_at −1.76 M62762 ATP6V0C
    606 207338_s_at −1.6 NM_003454 ZNF200
    607 203528_at −1.7 NM_006378 SEMA4D
    608 220023_at −1.83 NM_018690 APOB48R
    609 205146_x_at −1.64 NM_004886 APBA3
    610 218310_at −1.7 NM_014504 RABGEF1
    611 208012_x_at −1.83 NM_004509 SP110
    612 203652_at −1.6 NM_002419 MAP3K11
    613 203749_s_at −1.59 AI806984 RARA
    614 219862_s_at −1.86 NM_012336 NARF
    615 214465_at −1.55 NM_000608 ORM1
    616 209762_x_at −1.7 AF280094 SP110
    617 202393_s_at −1.86 NM_005655 TIEG
    618 211764_s_at −1.86 BC005980 UBE2D1
    619 204794_at −1.74 NM_004418 DUSP2
    620 212359_s_at −1.58 W89120 KIAA0913
    621 206513_at −1.67 NM_004833 AIM2
    622 221485_at −1.57 AL035683 B4GALT5
    623 219806_s_at −1.65 NM_020179 FN5
    624 212457_at −1.57 AL161985 TFE3
    625 211763_s_at −1.6 BC005979 UBE2B
    626 209882_at −1.69 AF084462 RIT1
    627 202441_at −1.58 AL568449 KEO4
    628 201750_s_at −1.61 NM_001397 ECE1
    629 218586_at −1.54 NM_018270 C20orf20
    630 209850_s_at −1.54 BC005406 CDC42EP2
    631 201573_s_at −1.81 M75715 ETF1
    632 205425_at −1.88 NM_005338 HIP1
    633 221653_x_at −1.57 BC004395 APOL2
    634 213603_s_at −1.63 BE138888 RAC2
    635 203276_at −1.79 NM_005573 LMNB1
    636 205099_s_at −1.7 NM_001295 CCR1
    637 202941_at −1.6 NM_021074 NDUFV2
    638 202082_s_at −1.59 AV748469 SEC14L1
    639 203964_at −1.96 NM_004688 NMI
    640 202618_s_at −1.65 L37298 MECP2
    641 201463_s_at −1.6 NM_006755 TALDO1
    642 208284_x_at −1.7 NM_013421 GGT1
    643 219394_at −1.71 NM_024419 PGS1
    644 215603_x_at −1.47 AI344075 —
    645 200656_s_at −1.74 NM_000918 P4HB
    646 212368_at −1.83 AA972711 ZNF292
    647 202625_at −1.72 AI356412 LYN
    648 204243_at −1.79 NM_012421 RLF
    649 205207_at −1.6 NM_000600 IL6
    650 209575_at −1.61 BC001903 IL10RB
    651 217858_s_at −1.58 NM_016607 ALEX3
    652 214394_x_at −1.56 AI613383 EEF1D
    653 213338_at −1.7 BF062629 RIS1
    654 217835_x_at −1.57 NM_018840 C20orf24
    655 203140_at −1.75 NM_001706 BCL6
    656 220470_at −1.48 NM_016526 BET1L
    657 200954_at −1.67 NM_001694 ATP6V0C
    658 207339_s_at −1.73 NM_002341 LTB
    659 222025_s_at −1.62 AI991887 OPLAH
    660 206239_s_at −1.47 NM_003122 SPINK1
    661 209451_at −1.66 U59863 TANK
    662 218624_s_at −1.58 NM_023939 MGC2752
    663 220104_at −1.56 NM_020119 ZAP
    664 207072_at −1.41 NM_003853 IL18RAP
    665 211507_s_at −1.57 AF233437 MTMR3
    666 208881_x_at −1.53 BC005247 IDI1
    667 221680_s_at −1.68 AF147782 ETV7
    668 207075_at −1.46 NM_004895 CIAS1
    669 55705_at −1.69 W07773 MGC16353
    670 215732_s_at −1.54 AK023924 DTX2
    671 214737_x_at −1.46 AV725195 HNRPC
    672 206618_at −1.33 NM_003855 IL18R1
    673 218279_s_at −1.46 BC001629 —
    674 205568_at −1.46 NM_020980 AQP9
    675 218255_s_at −1.58 NM_022452 FBS1
    676 200881_s_at −1.71 NM_001539 DNAJA1
    677 207131_x_at −1.79 NM_013430 GGT1
    678 214753_at −1.72 AW084068 CG005
    679 212626_x_at −1.43 AA664258 HNRPC
    680 208967_s_at −1.52 U39945 AK2
    681 209034_at −1.66 AF279899 PNRC1
    682 204958_at −1.52 NM_004073 CNK
    683 218963_s_at −1.84 NM_015515 KRT23
    684 206503_x_at −1.55 NM_002675 PML
    685 222175_s_at −1.55 AK000003 PCQAP
    686 200814_at −1.67 NM_006263 PSME1
    687 202333_s_at −1.69 AA877765 UBE2B
    688 201921_at −1.64 NM_004125 GNG10
    689 202083_s_at −1.53 AI017770 SEC14L1
    690 201693_s_at −1.75 AV733950 EGR1
    691 202537_s_at −1.59 AF151842 DKFZP564O123
    692 215884_s_at −1.78 AK001029 —
    693 209546_s_at −1.53 AF323540 APOL1
    694 202841_x_at −1.66 NM_007346 OGFR
    695 209238_at −1.59 BE966922 STX3A
    696 214541_s_at −1.59 AF142418 QKI
    697 203370_s_at −1.81 NM_005451 ENIGMA
    698 222150_s_at −1.53 AK026747 LOC54103
    699 202382_s_at −1.68 NM_005471 GNPI
    700 213142_x_at −1.39 AV700415 LOC54103
    701 213778_x_at −1.56 AI983201 FANCA
    702 212689_s_at −1.61 AA524505 JMJD1
    703 201410_at −1.68 AI983043 PLEKHB2
    704 210118_s_at −1.46 M15329 IL1A
    705 204601_at −1.3 NM_014664 N4BP1
    706 220956_s_at −1.54 NM_017555 EGLN2
    707 218085_at −1.67 NM_015961 HSPC177
    708 217591_at −1.58 BF725121 SKIL
    709 203109_at −1.59 NM_003969 UBE2M
    710 210362_x_at −1.64 AF230409 PML
    711 202149_at −1.57 AL136139 NEDD9
    712 203853_s_at −1.45 NM_012296 GAB2
    713 212443_at −1.68 AB011112 KIAA0540
    714 202659_at −1.44 NM_002801 PSMB10
    715 207387_s_at −1.18 NM_000167 GK
    716 204348_s_at −1.52 NM_013410 AK3
    717 207777_s_at −1.54 NM_007237 SP140
    718 200904_at −1.46 X56841 HLA-E
    719 217986_s_at −1.52 NM_013448 BAZ1A
    720 201940_at −1.6 AA897514 CPD
    721 202684_s_at −1.54 AB020966 RNMT
    722 204929_s_at −1.66 NM_006634 VAMP5
    723 202859_x_at −1.4 NM_000584 IL8
    724 203047_at −1.71 NM_005990 STK10
    725 210443_x_at −1.59 AF172452 OGFR
    726 211799_x_at −1.52 U62824 HLA-C
    727 207630_s_at −1.62 NM_001881 CREM
    728 213596_at −1.63 AL050391 CASP4
    729 201556_s_at −1.61 BC002737 VAMP2
    730 201296_s_at −1.72 NM_015626 WSB1
    731 211865_s_at −1.52 AB013463 FZR1
    732 212561_at −1.57 AA349595 RAB6IP1
    733 204099_at −1.56 NM_003078 SMARCD3
    734 203530_s_at −1.63 NM_004604 STX4A
    735 217436_x_at −1.53 M80469 —
    736 205266_at −1.53 NM_002309 LIF
    737 203028_s_at −1.69 NM_000101 CYBA
    738 208685_x_at −1.65 AA902767 BRD2
    739 219183_s_at −1.7 NM_013385 PSCD4
    740 206247_at −1.61 NM_005931 MICB
    741 217152_at −1.5 AK024136 NCOR1
    742 217962_at −1.57 NM_018648 NOLA3
    743 214919_s_at −1.48 R39094 —
    744 200645_at −1.66 NM_007278 GABARAP
    745 222326_at −1.24 AW973834 —
    746 207713_s_at −1.55 NM_006462 C20orf18
    747 202688_at −1.78 NM_003810 TNFSF10
    748 201748_s_at −1.46 NM_002967 SAFB
    749 219859_at −1.61 NM_014358 CLECSF9
    750 218130_at −1.57 NM_024510 MGC4368
    751 200078_s_at −1.55 BC005876 ATP6V0B
    752 200808_s_at −1.85 NM_003461 ZYX
    753 201170_s_at −1.74 NM_003670 BHLHB2
    754 204158_s_at −1.4 NM_006019 TCIRG1
    755 202574_s_at −1.55 NM_001319 CSNK1G2
    756 210754_s_at −1.65 M79321 LYN
    757 209270_at −1.4 L25541 LAMB3
    758 204806_x_at −1.52 NM_018950 HLA-F
    759 204615_x_at −1.71 NM_004508 IDI1
    760 209206_at −1.56 AV701283 SEC22L1
    761 203271_s_at −1.54 NM_005148 UNC119
    762 209398_at −1.37 BC002649 HIST1H1C
    763 218319_at −1.39 NM_020651 PELI1
    764 213191_at −1.42 AF070530 TRIF
    765 211969_at −1.47 BG420237 HSPCA
    766 205003_at −1.53 NM_014705 DOCK4
    767 217422_s_at −1.65 X52785 CD22
    768 217911_s_at −1.54 NM_004281 BAG3
    769 209239_at −1.55 M55643 NFKB1
    770 209912_s_at −1.56 AI373854 KIAA0415
    771 204668_at −1.36 AL031670 RNF24
    772 208018_s_at −1.68 NM_002110 HCK
    773 220467_at −1.47 NM_025032 FLJ21272
    774 220603_s_at −1.35 NM_018349 FLJ11175
    775 210538_s_at −1.64 U37546 BIRC3
    776 202734_at −1.9 NM_004240 TRIP10
    777 205585_at −1.6 NM_001987 ETV6
    778 201560_at −1.42 NM_013943 CLIC4
    779 205715_at −1.4 NM_004334 BST1
    780 221905_at −1.56 BF516433 CYLD
    781 202255_s_at −1.49 NM_015556 KIAA0440
    782 201941_at −1.69 BE349147 CPD
    783 214965_at −1.52 AF070574 MGC26885
    784 206756_at −1.68 NM_019886 CHST7
    785 204507_s_at −1.61 NM_000945 PPP3R1
    786 214083_at −1.48 AW772123 PPP2R5C
    787 212540_at −1.56 BG476661 CDC34
    788 219763_at −1.62 NM_024820 KIAA1608
    789 221223_x_at −1.48 NM_013324 CISH
    790 211605_s_at −1.65 U41742 RARA
    791 202018_s_at −1.51 NM_002343 LTF
    792 206697_s_at −1.43 NM_005143 HP
    793 220941_s_at −1.38 NM_017447 C21orf91
    794 212900_at −1.59 AJ131244 SEC24A
    795 209099_x_at −1.55 U73936 JAG1
    796 214693_x_at −1.35 BE732345 NOTCH2
    797 204804_at −1.56 NM_003141 SSA1
    798 202928_s_at −1.56 NM_024165 PHF1
    799 201186_at −1.57 NM_002337 LRPAP1
    800 210873_x_at −1.65 U03891 APOBEC3A
    801 209192_x_at −1.49 BC000166 HTATIP
    802 212242_at −1.64 AL565074 TUBA1
    803 202129_s_at −1.7 AW006290 RIOK3
    804 210951_x_at −1.55 AF125393 RAB27A
    805 204118_at −1.63 NM_001778 CD48
    806 36829_at −1.39 AF022991 PER1
    807 202391_at −1.47 NM_006317 BASP1
    808 203490_at −1.5 NM_001421 ELF4
    809 200055_at −1.58 NM_006284 TAF10
    810 210240_s_at −1.45 U20498 CDKN2D
    811 219492_at −1.67 NM_012110 CHIC2
    812 211672_s_at −1.56 AF019888 ARPC4
    813 204293_at −1.56 NM_000199 SGSH
    814 207992_s_at −1.7 NM_000480 AMPD3
    815 207419_s_at −1.6 NM_002872 RAC2
    816 211702_s_at −1.51 AF350251 USP32
    817 209477_at −1.52 BC000738 EMD
    818 214590_s_at −1.41 AL545760 UBE2D1
    819 218728_s_at −1.39 NM_014184 HSPC163
    820 202687_s_at −1.34 U57059 TNFSF10
    821 212277_at −1.69 AB014547 MTMR4
    822 219625_s_at −1.65 NM_005713 COL4A3BP
    823 221724_s_at −1.54 AF200738 CLECSF6
    824 212004_at −1.53 AL050028 DKFZp566C0424
    825 212947_at −1.65 AL031685 SLC9A8
    826 212286_at −1.66 AW572909 KIAA0874
    827 AFFX- −1.49 AFFX- —
    HUMISGF3A/ HUMISGF3A/
    M97935_MB_at M97935_MB
    828 214866_at −1.48 X74039 PLAUR
  • TABLE II
    Genes whose Expression is Downregulated in Septic
    as compared to Aseptic Inflammation
    Affymetrix ®
    Rank U133A name Fold Change “Source” Gene symbol
    1 202345_s_at 18.83 NM_001444 FABP5
    2 201847_at 7.21 NM_000235 LIPA
    3 206488_s_at 10.7 NM_000072 CD36
    4 201005_at 7.21 NM_001769 CD9
    5 201141_at 6.93 NM_002510 GPNMB
    6 211734_s_at 4.17 BC005912 FCER1A
    7 211719_x_at 6.45 BC005858 FN1
    8 216442_x_at 6.45 AK026737 FN1
    9 212192_at 4.85 AI718937 LOC115207
    10 204787_at 5.16 NM_007268 Z39IG
    11 218559_s_at 3.83 NM_005461 MAFB
    12 201212_at 5.7 D55696 LGMN
    13 209555_s_at 4.02 M98399 CD36
    14 212464_s_at 5.3 X02761 FN1
    15 213872_at 6.62 BE465032 C6orf62
    16 219607_s_at 6.17 NM_024021 MS4A4A
    17 210495_x_at 5.4 AF130095 FN1
    18 208146_s_at 4.07 NM_031311 CPVL
    19 201279_s_at 2.97 BC003064 DAB2
    20 211571_s_at 4.15 D32039 CSPG2
    21 204112_s_at 4.1 NM_006895 HNMT
    22 201278_at 3.64 N21202 —
    23 202437_s_at 3.45 NM_000104 CYP1B1
    24 205695_at 4.13 NM_006843 SDS
    25 210757_x_at 2.46 AF188298 DAB2
    26 203645_s_at 3.39 NM_004244 CD163
    27 212671_s_at 4.04 BG397856 HLA-DQA1
    28 215049_x_at 3.36 Z22969 CD163
    29 201280_s_at 3.83 NM_001343 DAB2
    30 201012_at 3.01 NM_000700 ANXA1
    31 202388_at 2.81 NM_002923 RGS2
    32 215646_s_at 3.25 R94644 CSPG2
    33 213566_at 3.79 NM_005615 RNASE6
    34 214770_at 4.69 AI299239 MSR1
    35 201273_s_at 3.14 NM_003133 SRP9
    36 200762_at 3.59 NM_001386 DPYSL2
    37 209728_at 2.89 BC005312 HLA-DRB3
    38 209377_s_at 3.56 AF274949 HMGN3
    39 200937_s_at 3.35 NM_000969 RPL5
    40 214085_x_at 3.24 AI912583 HRB2
    41 201302_at 3.72 NM_001153 ANXA4
    42 213619_at 2.63 AV753392 HNRPH1
    43 201947_s_at 3.55 NM_006431 CCT2
    44 201324_at 3.65 NM_001423 EMP1
    45 211991_s_at 4.2 M27487 HLA-DPA1
    46 201938_at 3.09 NM_004642 CDK2AP1
    47 209875_s_at 2.52 M83248 SPP1
    48 218723_s_at 3.76 NM_014059 RGC32
    49 201034_at 3.06 BE545756 ADD3
    50 202436_s_at 2.22 AU144855 CYP1B1
    51 219666_at 3.07 NM_022349 MS4A6A
    52 213699_s_at 3.06 AA854017 —
    53 218150_at 2.64 NM_012097 ARL5
    54 201339_s_at 4.05 NM_002979 SCP2
    55 203139_at 2.44 NM_004938 DAPK1
    56 201360_at 3.08 NM_000099 CST3
    57 201413_at 2.34 NM_000414 HSD17B4
    58 202591_s_at 3.62 NM_003143 SSBP1
    59 216834_at 2.92 S59049 RGS1
    60 210338_s_at 3.38 AB034951 HSPA8
    61 221019_s_at 2.07 NM_030781 COLEC12
    62 207761_s_at 2.97 NM_014033 DKFZP586A0522
    63 201068_s_at 3.31 NM_002803 PSMC2
    64 202207_at 4.05 BG435404 ARL7
    65 211675_s_at 2.98 AF054589 HIC
    66 211733_x_at 3.08 BC005911 SCP2
    67 211784_s_at 2.88 BC006181 SFRS1
    68 202113_s_at 3.38 AF043453 SNX2
    69 204438_at 3.29 NM_002438 MRC1
    70 201137_s_at 3.02 NM_002121 HLA-DPB1
    71 201301_s_at 3.36 BC000182 ANXA4
    72 202546_at 2.83 NM_003761 VAMP8
    73 208638_at 3.67 BE910010 ATP6V1C2
    74 208923_at 3.04 BC005097 CYFIP1
    75 200034_s_at 3.03 NM_000970 RPL6
    76 202741_at 2.46 AA130247 PRKACB
    77 200703_at 3.23 NM_003746 DNCL1
    78 218109_s_at 3.32 NM_022736 FLJ14153
    79 217478_s_at 2.84 X76775 HLA-DMA
    80 213564_x_at 3.01 BE042354 LDHB
    81 221773_at 2.61 AW575374 ELK3
    82 212586_at 2.93 AA195244 CAST
    83 200016_x_at 2.75 NM_002136 HNRPA1
    84 211990_at 2.89 M27487 HLA-DPA1
    85 200657_at 2.98 NM_001152 SLC25A5
    86 200036_s_at 3.04 NM_007104 RPL10A
    87 208627_s_at 3 BE966374 NSEP1
    88 200893_at 2.7 NM_004593 SFRS10
    89 214560_at 2.07 NM_002030 FPRL2
    90 213080_x_at 3.01 BF214492 RPL5
    91 200978_at 3.05 NM_005917 MDH1
    92 200082_s_at 2.7 AI805587 RPS7
    93 205292_s_at 3.05 NM_002137 HNRPA2B1
    94 202087_s_at 2.97 NM_001912 CTSL
    95 200926_at 2.64 NM_001025 RPS23
    96 211972_x_at 3.11 AI953822 RPLP0
    97 201193_at 2.72 NM_005896 IDH1
    98 200074_s_at 2.88 U16738 RPL14
    99 208981_at 2.33 AA702701 PECAM1
    100 201944_at 2.23 NM_000521 HEXB
    101 204006_s_at 1.48 NM_000570 FCGR3A
    102 221476_s_at 3.1 AF279903 RPL15
    103 215691_x_at 2.63 AV702994 —
    104 209200_at 2.64 AL536517 MEF2C
    105 203741_s_at 2.53 NM_001114 ADCY7
    106 201754_at 2.98 NM_004374 COX6C
    107 212907_at 2.79 AI972416 SLC30A1
    108 208983_s_at 2.2 M37780 PECAM1
    109 217802_s_at 2.76 NM_022731 NUCKS
    110 202605_at 2.9 NM_000181 GUSB
    111 211720_x_at 3.1 BC005863 RPLP0
    112 203305_at 2.58 NM_000129 F13A1
    113 200063_s_at 2.64 BC002398 NPM1
    114 201154_x_at 2.85 NM_000968 RPL4
    115 213738_s_at 2.91 AI587323 ATP5A1
    116 202377_at 2.03 AW026535 LEPR
    117 211986_at 2.9 BG287862 MGC5395
    118 207507_s_at 3.04 NM_001689 ATPSG3
    119 204057_at 1.81 AI073984 ICSBP1
    120 201033_x_at 2.93 NM_001002 RPLP0
    121 201293_x_at 2.87 NM_021130 PPIA
    122 207508_at 3.14 NM_001689 ATP5G3
    123 200705_s_at 2.97 NM_001959 EEF1B2
    124 208818_s_at 3.34 BC000419 COMT
    125 217724_at 2.64 AF131807 PAI-RBP1
    126 200681_at 2.52 NM_006708 GLO1
    127 200750_s_at 2.62 AF054183 RAN
    128 201952_at 2.51 AA156721 ALCAM
    129 203104_at 2.85 NM_005211 CSF1R
    130 219563_at 1.86 NM_024633 C14orf139
    131 213737_x_at 2.11 AI620911 —
    132 208856_x_at 2.84 BC003655 RPLP0
    133 207168_s_at 2.17 NM_004893 H2AFY
    134 213377_x_at 2.85 AI799007 RPS12
    135 221841_s_at 2.41 BF514079 KLF4
    136 201406_at 2.55 NM_021029 RPL36A
    137 215091_s_at 2.7 BE542815 GTF3A
    138 200033_at 2.23 NM_004396 DDX5
    139 213941_x_at 2.63 AI970731 RPS7
    140 201506_at 2.69 NM_000358 TGFBI
    141 212426_s_at 2.65 BF033313 YWHAQ
    142 202075_s_at 2.12 NM_006227 PLTP
    143 200736_s_at 2.3 NM_000581 GPX1
    144 214141_x_at 2.84 BF033354 SFRS7
    145 213048_s_at 2.45 W26593 SET
    146 211755_s_at 2.66 BC005960 ATP5F1
    147 204620_s_at 2.07 NM_004385 CSPG2
    148 221210_s_at 1.98 NM_030769 NPL
    149 209191_at 2.99 BC002654 TUBB-5
    150 206682_at 2.12 NM_006344 CLECSF13
    151 218203_at 2.7 NM_013338 ALG5
    152 221802_s_at 2.06 AU157109 KIAA1598
    153 213356_x_at 2.61 AL568186 HNRPA1
    154 201427_s_at 2.22 NM_005410 SEPP1
    155 221731_x_at 2.16 BF218922 CSPG2
    156 213416_at 2.01 BG532690 ITGA4
    157 213979_s_at 2.33 BF984434 CTBP1
    158 201586_s_at 2.81 NM_005066 SFPQ
    159 201398_s_at 2.64 BC000687 TRAM1
    160 211710_x_at 2.82 BC005817 RPL4
    161 212296_at 2.82 NM_005805 PSMD14
    162 214182_at 2.12 AA243143 ARF6
    163 201785_at 2.14 NM_002933 RNASE1
    164 201049_s_at 2.81 NM_022551 RPS18
    165 212010_s_at 2.27 AK025647 H41
    166 214167_s_at 2.88 AA555113 —
    167 208683_at 2.38 M23254 CAPN2
    168 211072_x_at 2.66 BC006481 K-ALPHA-1
    169 209696_at 2.5 D26054 FBP1
    170 219725_at 1.84 NM_018965 TREM2
    171 204222_s_at 2.41 NM_006851 GLIPR1
    172 213655_at 2.08 AA502643 YWHAE
    173 210139_s_at 2.44 L03203 PMP22
    174 201084_s_at 2.6 NM_014739 BTF
    175 209480_at 2.19 M16276 HLA-DQB1
    176 200768_s_at 2.56 BC001686 MAT2A
    177 220547_s_at 2.68 NM_019054 MGC5560
    178 217869_at 2.69 NM_016142 HSD17B12
    179 219279_at 2.06 NM_017718 DOCK10
    180 213537_at 2.32 AI128225 HLA-DPA1
    181 200023_s_at 2.93 NM_003754 EIF3S5
    182 200015_s_at 2.15 NM_004404 NEDD5
    183 203316_s_at 2.54 NM_003094 SNRPE
    184 200004_at 2.2 NM_001418 EIF4G2
    185 215193_x_at 2.74 AJ297586 HLA-DRB3
    186 205898_at 2.5 U20350 CX3CR1
    187 203799_at 2.6 NM_014880 DCL-1
    188 208697_s_at 2.39 BC000734 EIF3S6
    189 211945_s_at 2.45 BG500301 ITGB1
    190 219358_s_at 2.59 NM_018404 CENTA2
    191 210982_s_at 2.41 M60333 HLA-DRA
    192 200693_at 2.54 NM_006826 YWHAQ
    193 218005_at 2.51 AA744771 ZNF22
    194 213801_x_at 2.54 AW304232 LAMR1
    195 206028_s_at 2.24 NM_006343 MERTK
    196 217773_s_at 2.44 NM_002489 NDUFA4
    197 208654_s_at 2.03 BF669455 CD164
    198 201909_at 2.24 NM_001008 RPS4Y
    199 205055_at 1.89 NM_002208 ITGAE
    200 208073_x_at 2.61 NM_003316 TTC3
    201 200981_x_at 1.97 NM_016592 GNAS
    202 218007_s_at 2.54 NM_015920 RPS27L
    203 221452_s_at 2.99 NM_030969 TMEM14B
    204 202544_at 2.45 NM_004124 GMFB
    205 219452_at 1.9 NM_022355 DPEP2
    206 211985_s_at 1.73 AI653730 CALM1
    207 219032_x_at 2.5 NM_014322 OPN3
    208 211378_x_at 2.64 BC001224 PPIA
    209 213047_x_at 2.41 AI278616 SET
    210 200081_s_at 2.45 BE741754 RPS6
    211 201368_at 1.89 U07802 —
    212 210027_s_at 2.34 M80261 APEX1
    213 211058_x_at 2.59 BC006379 K-ALPHA-1
    214 201338_x_at 2.57 NM_002097 GTF3A
    215 201090_x_at 2.59 NM_006082 K-ALPHA-1
    216 201310_s_at 2.09 NM_004772 C5orf13
    217 210891_s_at 1.94 AF035737 GTF2I
    218 208787_at 2.67 BC003375 MRPL3
    219 208669_s_at 2.75 AF109873 CRI1
    220 218589_at 2.6 NM_005767 P2RY5
    221 212638_s_at 2.17 BF131791 WWP1
    222 205882_x_at 2.34 AI818488 ADD3
    223 212188_at 2.44 AA551075 LOC115207
    224 34210_at 2.38 N90866 CDW52
    225 200838_at 2.17 NM_001908 CTSB
    226 201590_x_at 2.63 NM_004039 ANXA2
    227 201092_at 2.23 NM_002893 RBBP7
    228 201153_s_at 2.27 NM_021038 MBNL1
    229 213646_x_at 2.44 BE300252 K-ALPHA-1
    230 200605_s_at 2.35 NM_002734 PRKAR1A
    231 213503_x_at 2.53 BE908217 ANXA2
    232 211765_x_at 2.73 BC005982 PPIA
    233 208628_s_at 2.72 BC002411 NSEP1
    234 204959_at 2.65 NM_002432 MNDA
    235 201665_x_at 2.55 NM_001021 RPS17
    236 201795_at 1.9 NM_002296 LBR
    237 212537_x_at 2.14 BE733979 RPL17
    238 200723_s_at 2.45 NM_005898 M11S1
    239 210427_x_at 2.55 BC001388 ANXA2
    240 209684_at 2.23 AL136924 RIN2
    241 219519_s_at 2.44 NM_023068 SN
    242 203060_s_at 2.43 AF074331 PAPSS2
    243 200818_at 2.56 NM_001697 ATP5O
    244 210895_s_at 2.29 L25259 CD86
    245 217757_at 2.08 NM_000014 A2M
    246 212639_x_at 2.48 AL581768 K-ALPHA-1
    247 209031_at 1.51 AL519710 IGSF4
    248 201268_at 2.34 NM_002512 NME2
    249 201300_s_at 2.2 NM_000311 PRNP
    250 218200_s_at 2.54 NM_004546 NDUFB2
    251 200839_s_at 2.03 NM_001908 CTSB
    252 200038_s_at 2.22 NM_000985 RPL17
    253 202838_at 2.51 NM_000147 FUCA1
    254 201064_s_at 2.63 NM_003819 PABPC4
    255 220945_x_at 1.8 NM_018050 FLJ10298
    256 214548_x_at 1.82 AF064092 GNAS
    257 211487_x_at 2.62 BC004886 —
    258 211858_x_at 1.88 AF088184 GNAS
    259 219777_at 2.26 NM_024711 hIAN2
    260 213831_at 1.75 X00452 HLA-DQA1
    261 200002_at 2.23 NM_007209 RPL35
    262 203381_s_at 1.53 N33009 APOE
    263 200089_s_at 2.62 AI953886 RPL4
    264 212270_x_at 2.05 BG168283 RPL17
    265 208870_x_at 2.28 BC000931 ATP5C1
    266 209199_s_at 2.21 N22468 MEF2C
    267 209312_x_at 2.36 U65585 HLA-DRB3
    268 212298_at 1.52 BE620457 NRP1
    269 215096_s_at 2.64 AU145746 ESD
    270 202232_s_at 2.42 NM_006360 GA17
    271 200662_s_at 2.13 NM_014765 TOMM20-
    PENDING
    272 208998_at 2.37 U94592 UCP2
    273 208858_s_at 2.19 BC004998 MBC2
    274 201973_s_at 1.77 AL550875 —
    275 214042_s_at 2.55 AW071997 —
    276 44790_s_at 2.08 AI129310 C13orf18
    277 201753_s_at 2.14 NM_019903 ADD3
    278 200873_s_at 2.03 NM_006585 CCT8
    279 200010_at 2.51 NM_000975 RPL11
    280 206991_s_at 2.29 NM_000579 CCR5
    281 208687_x_at 2.64 AF352832 HSPA8
    282 202602_s_at 2.1 NM_014500 HTATSF1
    283 212205_at 1.75 AA534860 H2AV
    284 211939_x_at 2.25 X74070 BTF3
    285 212159_x_at 2.35 AI125280 AP2A2
    286 221775_x_at 2.51 BG152979 —
    287 203663_s_at 2.29 NM_004255 COX5A
    288 211978_x_at 2.44 AI708767 PPIA
    289 201197_at 2.35 NM_001634 AMD1
    290 213366_x_at 2.44 AV711183 ATP5C1
    291 212661_x_at 2.49 BE731738 —
    292 200780_x_at 1.81 NM_000516 GNAS
    293 208768_x_at 2.45 D17652 RPL22
    294 200088_x_at 2.45 AK026491 —
    295 201185_at 2.38 NM_002775 PRSS11
    296 218467_at 2.25 NM_020232 HCCA3
    297 211285_s_at 2.58 U84404 UBE3A
    298 200595_s_at 2.08 NM_003750 EIF3S10
    299 203932_at 2.41 NM_002118 HLA-DMB
    300 212273_x_at 1.84 AI591100 GNAS
    301 201200_at 1.95 NM_003851 CREG
    302 221691_x_at 2.35 AB042278 NPM1
    303 201515_s_at 1.99 NM_004622 TSN
    304 212956_at 2.16 AI348094 KIAA0882
    305 205711_x_at 2.47 NM_005174 ATP5C1
    306 218224_at 1.68 NM_006029 PNMA1
    307 212248_at 1.95 AI886796 LYRIC
    308 208894_at 2.29 M60334 HLA-DRA
    309 209067_s_at 2.33 D89092 HNRPDL
    310 221891_x_at 2.79 AA704004 HSPA8
    311 208833_s_at 2.07 AF119662 E46L
    312 218139_s_at 2.25 NM_018229 C14orf108
    313 201030_x_at 2.24 NM_002300 LDHB
    314 211747_s_at 2.19 BC005938 LSM5
    315 208944_at 2.61 D50683 TGFBR2
    316 220890_s_at 1.83 NM_016355 DDX47
    317 215450_at 2.26 W87901 SNRPE
    318 201520_s_at 2.6 BF034561 GRSF1
    319 202206_at 2.76 AW450363 ARL7
    320 203382_s_at 1.62 NM_000041 APOE
    321 215236_s_at 2.04 AV721177 PICALM
    322 214323_s_at 1.8 N36842 UPF3A
    323 200651_at 2.37 NM_006098 GNB2L1
    324 217870_s_at 2.18 NM_016308 UMP-CMPK
    325 200909_s_at 2.17 NM_001004 RPLP2
    326 200028_s_at 2.38 NM_020151 STARD7
    327 212658_at 2.17 N66633 LHFPL2
    328 213347_x_at 2.3 AW132023 RPS4X
    329 200061_s_at 2.48 BC000523 RPS24
    330 212131_at 2.02 BG054966 DKFZP434D1335
    331 213588_x_at 2.44 AA838274 RPL14
    332 217740_x_at 2.3 NM_000972 RPL7A
    333 218577_at 2.22 NM_017768 FLJ20331
    334 213044_at 2.28 N22548 ROCK1
    335 201078_at 1.84 NM_004800 TM9SF2
    336 217873_at 2.14 NM_016289 MO25
    337 208319_s_at 2.06 NM_006743 RBM3
    338 212386_at 1.99 BF592782 TCF4
    339 204319_s_at 1.92 NM_002925 RGS10
    340 208674_x_at 2.51 BC002594 DDOST
    341 214500_at 2.06 AF044286 H2AFY
    342 202286_s_at 1.15 J04152 TACSTD2
    343 200099_s_at 2.47 AL356115 —
    344 200872_at 2.31 NM_002966 S100A10
    345 221253_s_at 2.25 NM_030810 TXNDC5
    346 211656_x_at 2.16 M32577 HLA-DQB1
    347 221760_at 2.2 BG287153 MAN1A1
    348 200910_at 2.36 NM_005998 CCT3
    349 201330_at 2.17 NM_002887 RARS
    350 216274_s_at 2.07 N99438 SPC18
    351 203153_at 2.12 NM_001548 IFIT1
    352 200858_s_at 2.4 NM_001012 RPS8
    353 202679_at 2.24 NM_000271 NPC1
    354 209389_x_at 2.3 M15887 DBI
    355 212406_s_at 2.06 AB028973 MYT1
    356 202283_at 1.68 NM_002615 SERPINF1
    357 209251_x_at 2.22 BC004949 TUBA6
    358 201697_s_at 1.97 NM_001379 DNMT1
    359 212830_at 1.87 W68084 EGFL5
    360 212578_x_at 2.31 BF026595 —
    361 212856_at 2.16 AB018310 KIAA0767
    362 218090_s_at 2.21 NM_018117 WDR11
    363 200911_s_at 1.73 NM_006283 TACC1
    364 211684_s_at 2.46 AF250307 DNCI2
    365 200030_s_at 2.34 NM_002635 SLC25A3
    366 212250_at 2.06 AV700332 LYRIC
    367 221844_x_at 2.23 AV756161 —
    368 200949_x_at 2.48 NM_001023 RPS20
    369 200754_x_at 2.1 NM_003016 SFRS2
    370 213084_x_at 2.38 BF125158 RPL23A
    371 211984_at 1.88 AI653730 CALM1
    372 200915_x_at 1.95 NM_004986 KTN1
    373 202231_at 2.17 NM_006360 GA17
    374 212918_at 2.07 AI962943 FLJ22028
    375 201129_at 2.42 NM_006276 SFRS7
    376 208758_at 2.07 D89976 ATIC
    377 221434_s_at 2.37 NM_031210 DC50
    378 210024_s_at 2.41 AB017644 UBE2E3
    379 208834_x_at 2.38 BC001865 RPL23A
    380 217900_at 2.18 NM_018060 FLJ10326
    381 220495_s_at 2.05 NM_024715 FLJ22625
    382 211971_s_at 1.89 AI653608 LRPPRC
    383 220960_x_at 2.36 NM_000983 RPL22
    384 219506_at 1.76 NM_024579 FLJ23221
    385 201112_s_at 2.15 NM_001316 CSE1L
    386 212191_x_at 2.04 AW574664 RPL13
    387 209619_at 2.18 K01144 CD74
    388 200728_at 1.89 BE566290 ACTR2
    389 35974_at 2.42 U10485 LRMP
    390 214003_x_at 2.22 BF184532 RPS20
    391 200631_s_at 1.9 NM_003011 SET
    392 209397_at 1.96 BC000147 ME2
    393 201028_s_at 2.2 U82164 CD99
    394 204661_at 2.23 NM_001803 CDW52
    395 205987_at 1.35 NM_001765 CD1C
    396 200809_x_at 2.32 NM_000976 RPL12
    397 217832_at 2.15 BE672181 NSAP1
    398 209861_s_at 2.32 U13261 METAP2
    399 201923_at 2.17 NM_006406 PRDX4
    400 212952_at 2.01 AA910371 CALR
    401 209823_x_at 2.28 M17955 HLA-DQB1
    402 208825_x_at 2.37 U43701 RPL23A
    403 211750_x_at 2.09 BC005946 TUBA6
    404 201619_at 1.74 NM_006793 PRDX3
    405 211666_x_at 2.38 L22453 RPL3
    406 213135_at 1.92 U90902 TIAM1
    407 214709_s_at 1.92 Z22551 KTN1
    408 204150_at 2.02 NM_015136 STAB1
    409 208517_x_at 1.94 NM_001207 BTF3
    410 215182_x_at 1.39 AL050122 —
    411 203804_s_at 1.79 NM_006107 LUC7A
    412 213274_s_at 1.69 AA020826 CTSB
    413 201403_s_at 2.25 NM_004528 MGST3
    414 212482_at 1.85 BF671894 FLJ13910
    415 209974_s_at 1.91 AF047473 BUB3
    416 208306_x_at 2.12 NM_021983 HLA-DRB3
    417 212371_at 1.9 AL049397 PNAS-4
    418 212998_x_at 1.9 AI583173 HLA-DQB2
    419 200025_s_at 2.26 NM_000988 RPL27
    420 203156_at 1.64 NM_016248 AKAP11
    421 208703_s_at 1.6 BG427393 APLP2
    422 220526_s_at 2.38 NM_017971 MRPL20
    423 211779_x_at 2.11 BC006155 AP2A2
    424 221748_s_at 2.02 AL046979 TNS
    425 221475_s_at 2.18 NM_002948 RPL15
    426 212168_at 2.14 AL514547 CPNE1
    427 217906_at 2.02 NM_014315 KLHDC2
    428 212036_s_at 2.28 AW152664 PNN
    429 204141_at 2.2 NM_001069 TUBB
    430 203403_s_at 2.25 NM_005977 RNF6
    431 202396_at 1.62 NM_006706 TCERG1
    432 200740_s_at 2.37 NM_006936 SMT3H1
    433 201784_s_at 1.97 NM_014267 SMAP
    434 204616_at 2.35 NM_006002 UCHL3
    435 205466_s_at 2.02 NM_005114 HS3ST1
    436 209154_at 1.85 AF234997 TIP-1
    437 202502_at 1.75 NM_000016 ACADM
    438 216241_s_at 2.07 X57198 TCEA1
    439 211070_x_at 2.39 BC006466 DBI
    440 201254_x_at 2.37 NM_001010 RPS6
    441 210889_s_at 1.89 M31933 FCGR2B
    442 212904_at 2.12 AB033011 KIAA1185
    443 210645_s_at 2.1 D83077 TTC3
    444 200963_x_at 1.97 NM_000993 RPL31
    445 213687_s_at 2.22 BE968801 RPL35A
    446 216640_s_at 2.05 AK026926 —
    447 221565_s_at 1.83 BC000039 LOC51063
    448 38487_at 1.79 D87433 STAB1
    449 204342_at 2.24 NM_013386 DKFZp586G0123
    450 219471_at 2.09 NM_025113 C13orf18
    451 217719_at 2.22 NM_016091 EIF3S6IP
    452 209240_at 1.69 AF070560 OGT
    453 210149_s_at 2.14 AF061735 ATP5H
    454 200008_s_at 1.93 D13988 GDI2
    455 217491_x_at 2.07 AF042165 COX7C
    456 200834_s_at 1.97 NM_001024 RPS21
    457 200933_x_at 2.37 NM_001007 RPS4X
    458 213642_at 1.75 BE312027 RPL27
    459 208804_s_at 1.97 AL031681 SFRS6
    460 218263_s_at 1.83 NM_021211 LOC58486
    461 208997_s_at 2.09 U82819 UCP2
    462 221726_at 1.9 BE250348 RPL22
    463 211073_x_at 2.24 BC006483 RPL3
    464 206710_s_at 1.77 NM_012307 EPB41L3
    465 200943_at 2.32 NM_004965 HMGN1
    466 201687_s_at 1.94 NM_006595 API5
    467 201217_x_at 2.35 NM_000967 RPL3
    468 202088_at 1.97 AI635449 SLC39A6
    469 201327_s_at 1.91 NM_001762 CCT6A
    470 207040_s_at 2.01 NM_003932 ST13
    471 214830_at 1.99 AI537540 SLC38A6
    472 201312_s_at 2.16 NM_003022 SH3BGRL
    473 202428_x_at 2.29 NM_020548 DBI
    474 218802_at 2.21 NM_017918 FLJ20647
    475 203012_x_at 2.18 NM_000984 RPL23A
    476 216342_x_at 2.26 AL121916 —
    477 203534_at 1.83 NM_014462 LSM1
    478 212585_at 2.75 BF970829 OSBPL8
    479 209118_s_at 2.11 AF141347 TUBA3
    480 209092_s_at 2.25 AF061730 CGI-150
    481 212888_at 1.7 BG109746 DICER1
    482 204670_x_at 2.12 NM_002125 HLA-DRB3
    483 202077_at 2.13 NM_005003 NDUFAB1
    484 213864_s_at 1.69 AI985751 NAP1L1
    485 201444_s_at 1.87 NM_005765 ATP6AP2
    486 208929_x_at 1.96 BC004954 RPL13
    487 208775_at 1.51 D89729 XPO1
    488 200763_s_at 2.05 NM_001003 RPLP1
    489 201946_s_at 2.21 AL545982 CCT2
    490 218041_x_at 1.97 NM_018573 SLC38A2
    491 201325_s_at 1.69 NM_001423 EMP1
    492 217945_at 1.94 NM_025238 BTBD1
    493 204619_s_at 1.75 BF590263 CSPG2
    494 217362_x_at 1.99 AF005487 HLA-DRB3
    495 202351_at 2.17 AI093579 ITGAV
    496 202381_at 2.02 NM_003816 ADAM9
    497 220044_x_at 1.81 NM_016424 LUC7A
    498 203547_at 2.24 U47924 CD4
    499 201071_x_at 2.44 NM_012433 SF3B1
    500 206978_at 1.78 NM_000647 CCR2
    501 211185_s_at 2.14 AF130099 FLJ14753
    502 208617_s_at 1.82 AF208850 PTP4A2
    503 200726_at 2.04 NM_002710 PPP1CC
    504 208982_at 1.66 AW574504 PECAM1
    505 212039_x_at 2.37 BG339228 RPL3
    506 200091_s_at 2.04 AA888388 RPS25
    507 217846_at 2.24 NM_005051 QARS
    508 212560_at 2.16 AV728268 SORL1
    509 203473_at 1.67 NM_007256 SLC21A9
    510 200955_at 2.14 NM_006839 IMMT
    511 205988_at 1.68 NM_003874 CD84
    512 212266_s_at 1.81 AW084582 SFRS5
    513 212515_s_at 2.24 BG492602 DDX3X
    514 219065_s_at 1.78 NM_015955 CGI-27
    515 202469_s_at 1.95 AU149367 CPSF6
    516 221751_at 1.74 AL565516 PANK3
    517 217933_s_at 1.92 NM_015907 LAP3
    518 203485_at 1.93 NM_021136 RTN1
    519 218191_s_at 2.23 NM_018368 FLJ11240
    520 208635_x_at 1.88 BF976260 NACA
    521 204892_x_at 1.93 NM_001402 EEF1A1
    522 203721_s_at 2.07 NM_016001 CGI-48
    523 212640_at 1.8 AV712602 LOC201562
    524 201029_s_at 2.06 NM_002414 CD99
    525 211697_x_at 1.39 AF349314 LOC56902
    526 201065_s_at 2.09 NM_001518 GTF2I
    527 213923_at 1.92 AW005535 RAP2B
    528 200024_at 2.1 NM_001009 RPS5
    529 202378_s_at 1.73 NM_017526 LEPR
    530 218856_at 2.13 NM_016629 TNFRSF21
    531 208816_x_at 2.27 M62898 —
    532 201672_s_at 2.1 NM_005151 USP14
    533 214047_s_at 1.5 AI913365 MBD4
    534 212042_x_at 2.12 BG389744 RPL7
    535 211742_s_at 1.75 BC005926 EVI2B
  • Modifications and variations of the methods and compositions described herein will be obvious to those skilled in the art and are intended to come within the scope of the appended claims. The teachings of the references cited herein are specifically incorporated by reference.

Claims (19)

1. A method of diagnosing the type or origin of local inflammation comprising:
determining the expression of one or more genes in a clinical sample obtained from a site of local inflammation and comparing the expression of these genes with their expression in known control samples.
2. The method of claim 1 wherein the gene expression is detected by examining nucleic acid expression.
3. The method of claim 1 wherein the gene expression is detected by examining protein expression.
4. The method of claim 1 wherein expression of a gene is determined by assaying for an mRNA transcribed from the gene or a protein translated from an mRNA transcribed from the gene.
5. The method of claim 1 wherein the sample is synovial or lymph fluid.
6. The method of claim 1 wherein the sample consists predominantly of neutrophils or other white cells.
7. The method of claim 1 wherein the sample is a fluid selected from the group consisting of blood, plasma, serum, urine, reproductive organ secretions, ascites fluid, peritoneal fluid, pleural fluid, pericardial fluid, cerebrospinal fluid, sputum, mucous secretions, and abscesses.
8. The method of claim 1 wherein the sample is cells from the fluid in claim 6.
9. The method of claim 1 wherein the sample is a tissue from biopsy, selected from a group consisting of bone, synovium, muscle, periprosthetic tissue, brain, nerve, skin, nasopharyngeal tissues, thyroid, tonsils, heart, lung, pancreas, gastrointestinal tissue, genitourinary tissue, liver, kidney, and gall bladder.
10. The method of claim 1 wherein the genes are analyzed on a microarray.
11. The method of claim 1 wherein the controls are obtained from individuals with confirmed infection.
12. The method of claim 1 wherein the controls are obtained from individuals with confirmed inflammation due to gout or autoimmune disease.
13. The method of claim 1 wherein the expression is compared by comparing protein expressed from the genes.
14. The method of claim 1 wherein the genes are selected from the group consisting of genes one through fifteen of Table I and genes one through sixteen of Table II.
15. A method of screening for candidate therapeutic agents for treating inflammation, comprising the steps of
administering a compound to be screened to an individual or site therein which is inflamed and then obtaining a sample from the site of inflammation; determining gene expression in the cells, and comparing the expression with the expression of genes in control cells.
16. A kit for use in determining the expression of one or more genes in a clinical sample obtained from a site of local inflammation and comparing the expression of these genes with their expression in known control samples
comprising means for analyzing the sample and
control expression patterns from normal white cells and white cells having known associations with specific diseases or disorders.
17. The kit of claim 16 further comprising reagents for analyzing genes.
18. The kit of claim 16 further comprising a software program for comparing expression patterns.
19. (canceled)
US12/549,657 2004-08-20 2009-08-28 Diagnostic assay for source of inflammation Abandoned US20090318301A1 (en)

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US13/231,665 US20120004121A1 (en) 2004-08-20 2011-09-13 Diagnostic Assay For Source of Inflammation
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