@@ The progression of cells from a normal differentiated state in which the rates of proliferation and apoptosis are in check, to a tumorigenic and metastatic state where these rates are imbalanced, likely involves the accumulation of mutations in multiple genes, and the evolution and clonal selection of more aggressive phenotypes. These events are associated with changes in the expression of numerous gene products including the transient receptor potential (TRP) proteins. TRP proteins are a family of Ca2～- and Na+-permeable channels that play a diverse and important role in cellular physiology and pathology. One member of this family, TRPM8, a receptor-activated non-selective cation channel is highly expressed in prostate cancer (PCa) cells and in recent years, has emerged as a promising prognostic marker and putative therapeutic target in PCa.
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