Molecular tools for differentiating normal breast tissue and cells from cancerous breast tissue and cells are provided. The tools are derived from a novel tumor suppressor gene which encodes a protein referred to hereinafter as the "EDG1" protein. One tool is an isolated polynucleotide which encodes...http://www.google.co.uk/patents/US20020160497?utm_source=gb-gplus-sharePatent US20020160497 - Suppressors of human breast cancer cell growth