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  • Title: MicroRNA-95-3p promoted the development of prostatic cancer via regulating DKK3 and activating Wnt/β-catenin pathway.
    Author: Xi M, Cheng L, Hua W, Zhou YL, Gao QL, Yang JX, Qi SY.
    Journal: Eur Rev Med Pharmacol Sci; 2019 Feb; 23(3):1002-1011. PubMed ID: 30779066.
    Abstract:
    OBJECTIVE: Previous studies have shown that microRNA-95-3p (miR-95-3p) plays a crucial role in multiple human cancers except for prostatic cancer (PCa). Therefore, the function of miR-95-3p was investigated in PCa in the present work. PATIENTS AND METHODS: The expression of miR-95-3p was measured by Real Time-quantitative Polymerase Chain Reaction (RT-qPCR) assay. Western blot assay was used to examine the protein expression of epithelial-mesenchymal transition (EMT) markers. In addition, the function of miR-95-3p was detected through MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide) and transwell assays. Dual Luciferase assay was applied to confirm the relationship between miR-95-3p and dickkopf-3 (DKK3). The tumor growth was observed through xenograft tumor formation assay. RESULTS: The upregulation of miR-95-3p was detected in PCa tissues and cell lines, which predicted poor prognosis of PCa patients. Moreover, miR-95-3p promoted cell proliferation, migration and invasion in PCa by targeting DKK3 and activating the Wnt/β-catenin pathway. MiR-95-3p also promoted the tumor growth of PCa in vivo. Besides that, downregulation of DKK3 was identified in PCa and low DKK3 expression predicted poor prognosis of PCa patients. CONCLUSIONS: MiR-95-3p promoted the development of PCa via targeting DKK3 and activating the Wnt/β-catenin pathway.
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