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miR-5195-3p Suppresses Cell Proliferation and Induces Apoptosis by Directly Targeting NEDD9 in Osteosarcoma.

08:00 EDT 1st August 2019 | BioPortfolio

Summary of "miR-5195-3p Suppresses Cell Proliferation and Induces Apoptosis by Directly Targeting NEDD9 in Osteosarcoma."

Aberrantly expressed microRNAs (miRs) have associated with the development and progression of osteosarcoma (OS). In this study, the authors aimed to investigate the biological function of miR-5195-3p and the underlying mechanisms. Quantitative real-time polymerase chain reaction analysis was performed to determine the expression of miR-5195-3p in OS tissues and cell lines. Then, two OS cell lines (MG-63 and U2OS) were transfected with miR-5195-3p mimics to obtain stably miR-5195-3p overexpression cell lines. A series of functional assays, including Cell Counting Kit-8 assay, colony formation assay, flow cytometry assay, and Hoechst staining were performed to analyze cell proliferation and apoptosis. The authors first observed downregulation of miR-5195-3p in OS tissues and cell lines. A series of functional assays demonstrated that miR-5195-3p overexpression significantly attenuated OS cell proliferative activity and induced apoptosis. At a molecular level, the neural precursor cell which expressed developmentally downregulated protein 9 (NEDD9), was inversely correlated with the expression level of miR-5195-3p. Furthermore, ectopic expression of NEDD9 counteracted the antiproliferative and apoptotic effects of miR-5195-3p overexpression in OS cells. In summary, the miR-5195-3p/NEDD9 axis may be a promising antitumor agent for OS.

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This article was published in the following journal.

Name: Cancer biotherapy & radiopharmaceuticals
ISSN: 1557-8852
Pages: 405-412

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