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PAQR3 suppresses the proliferation, migration and tumorigenicity of human prostate cancer cells.


ABSTRACT: As a newly discovered tumor suppressor, the potential function of PAQR3 in human prostate cancer has not been demonstrated. In this study, we report that PAQR3 is able to inhibit the growth and migration of human prostate cancer cells both in vitro and in vivo. Overexpression of PAQR3 inhibits the proliferation of PC3 and DU145 cells by both MTT and colony formation assays. Consistently, knockdown of PAQR3 enhances the proliferation of these cells. In wound-healing and transwell assays, overexpression of PAQR3 reduces the migration of PC3 and DU145 cells, while PAQR3 knockdown increases it. In a tumor xenograft model, overexpression of PAQR3 suppresses tumor growth of PC3 cells in vivo, while PAQR3 knockdown promotes the tumor growth. PAQR3 is also able to inhibit serum-induced phosphorylation of AKT and ERK in both PC3 and DU145 cells. In addition, PAQR3 suppresses the expression of epithelial-mesenchymal transition (EMT) markers in PC3 cells. Collectively, these data indicate that PAQR3 has a tumor suppressive activity in human prostate cancer cells and may stand out as a potential therapeutic target for prostate cancers.

SUBMITTER: Huang W 

PROVIDER: S-EPMC5589553 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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PAQR3 suppresses the proliferation, migration and tumorigenicity of human prostate cancer cells.

Huang Wenqiang W   Guo Weiwei W   You Xue X   Pan Yi Y   Dong Zhenyang Z   Jia Gaozhen G   Yang Chenghua C   Chen Yan Y  

Oncotarget 20160603 33


As a newly discovered tumor suppressor, the potential function of PAQR3 in human prostate cancer has not been demonstrated. In this study, we report that PAQR3 is able to inhibit the growth and migration of human prostate cancer cells both <i>in vitro</i> and <i>in vivo</i>. Overexpression of PAQR3 inhibits the proliferation of PC3 and DU145 cells by both MTT and colony formation assays. Consistently, knockdown of PAQR3 enhances the proliferation of these cells. In wound-healing and transwell as  ...[more]

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