MiR-378 suppresses prostate cancer cell growth through downregulation of MAPK1 in vitro and in vivo

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
Qi-guang ChenChui-ze Kong

Abstract

Prostate cancer is one of the biggest health problems for the aging male. To the present, the roles of dysregulated microRNAs in prostate cancer are still unclear. Here, we evaluated the anti-proliferative role of miR-378 in prostate cancer. And, we found that the expression of miR-378 was significantly downregulated in clinical prostate cancer tissues. In vitro assay suggested that overexpression of miR-378-suppressed prostate cancer cell migration and invasion promoted cell apoptosis. Furthermore, we identified and validated MAPK1 as a direct target of miR-378. Ectopic expression of MAPK1 rescues miR-378-suppressed cell migration and invasion. In vivo assay demonstrated that the stably miR-378-overexpressed prostate cancer cells displayed a significantly reduction in tumor growth. Taken together, our data suggested that miR-378 may act as a potential therapeutic target against human prostate cancer.

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Citations

Mar 1, 2018·Biochemistry and Cell Biology = Biochimie Et Biologie Cellulaire·Ningning PengXu Guo
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