In addition to breast and lung cancers, PTHrP has been found to stimulate tumor cell survival and proliferation in other cancers including chondrosarcoma (80), anaplastic thyroid cancer (81), medulloblastoma (82), adrenocortical cancer (83), oral squamous cancer (84), colon cancer (85), prostate cancer (86) and renal cancer (87). The gene discussed is PTHLH; the disease is prostate carcinoma.