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Effects of TRPM8 on the proliferation and motility of prostate cancer PC-3 cells / 亚洲男科学杂志(英文版)
Asian Journal of Andrology ; (6): 157-165, 2009.
Article in English | WPRIM | ID: wpr-284681
ABSTRACT
We investigated the effects of transient receptor potential M8 (TRPM8) channel on the proliferation and motility of androgen-independent prostate cancer PC-3 cells. After being permanently transfected with an empty vector and cDNA encoding the TRPM8 protein, cells were analysed for cell cycle distribution and motility using flow cytometry and scratch assay. Immunocytochemistry and Ca2+ imaging analysis revealed the overexpression of functional TRPM8 channel on both endoplasmic reticulum and plasma membrane of PC-3-TRPM8 cells. Cell cycle distribution and scratch assay analysis revealed that TRPM8 induced cell cycle arrest at the G0/G1 stage (P < 0.05) and facilitated the cell apoptosis induced by starvation (P < 0.05). Furthermore, TRPM8 inhibited the migration of PC-3-TRPM8 cells (P < 0.01) through the inactivation of focal-adhesion kinase. It appears that TRPM8 was not essential for the survival of PC-3 cells; however, the overexpression of TRPM8 had negative effects on the proliferation and migration of PC-3 cells. Thus, TRPM8 and its agonists may serve as important targets for the treatment of prostate cancer.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Physiology / Prostatic Neoplasms / Starvation / Transcription Factors / Transfection / Adenocarcinoma / Gene Expression Regulation, Neoplastic / Cell Cycle / Cell Movement Limits: Humans / Male Language: English Journal: Asian Journal of Andrology Year: 2009 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Physiology / Prostatic Neoplasms / Starvation / Transcription Factors / Transfection / Adenocarcinoma / Gene Expression Regulation, Neoplastic / Cell Cycle / Cell Movement Limits: Humans / Male Language: English Journal: Asian Journal of Andrology Year: 2009 Type: Article