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V-Atpase Roles In Prostate Cancer, Yamhilette Licon Munoz
V-Atpase Roles In Prostate Cancer, Yamhilette Licon Munoz
Biomedical Sciences ETDs
Vacuolar ATPase (V-ATPase) is responsible for maintaining the acidic pH of the endomembrane system in eukaryotic cells. V-ATPase active transport of protons generates the differential luminal pH in lysosomes, endosomes, and the Golgi. In addition to intracellular V-ATPase, cancer cells have V-ATPase at the plasma membrane. Plasmalemmal V-ATPase acidifies the extracellular milieu and enhances cell motility and invasion, evidence that V-ATPase contributes to tumorigenic phenotypes. We studied V-ATPase cellular functions in prostate cancer (PCa), the most commonly diagnosed cancer for men in the United States. V-ATPase inhibitors decreased invasion and migration of PCa cells. In aggressive PCa cell lines, C4-2B …