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MicroRNA-562 negatively regulated c-MET/AKT pathway in the growth of glioblastoma cells.


ABSTRACT: Background:MicroRNA-562 (miR-562) has been found to possess anti-cancer function in certain tumors. However, the function of miR-562 in glioblastoma (GBM) is still not fully understood. Purpose:The aim at present study is to analyze the function of miR-562 and its possible target in GBM cells. Patients and methods:In the present study, a total of 80 GBM samples and 16 adjacent noncancerous tissues were used to examine the expression of miR-562 and c-MET. In order to gain a deep insight into the molecular network of miR-562 and c-MET in GBM, the miR-562 mimic and inhibitor were transfected into two GBM cell lines (U251 and U87), respectively. Meanwhile, lentiviral vector was used to mediate overexpression of c-MET. Cell proliferation was examined via Cell Counting Kit-8 (CCK-8) assays. Meanwhile, cell apoptosis was analyzed by Annexin V-FTTC/PI staining assay. Results:Our results indicated that the level of miR-562 was downregulated in GBM tissues and the expression of c-MET was upregulated in tumors. Cell proliferation analysis indicated that miR-562 was an anti-proliferation effector in GBM cells. Moreover, cell apoptosis analysis suggested the pro-apoptosis function of miR-562 in GBM cells. Conclusion:Our results demonstrated that miR-562 negatively regulated the c-MET/AKT signal pathway. In addition, caspase-3 might also serve as another target for miR-562 in GBM cells. This research not only obtained a deep understanding of miR-562 but also provided evidence in terms of developing new prognostic biomarker for GBM.

SUBMITTER: Nie X 

PROVIDER: S-EPMC6306063 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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MicroRNA-562 negatively regulated c-MET/AKT pathway in the growth of glioblastoma cells.

Nie Xiaohu X   Su Zhongzhou Z   Yan Renfu R   Yan Ai A   Qiu Sheng S   Zhou Yue Y  

OncoTargets and therapy 20181221


<h4>Background</h4>MicroRNA-562 (miR-562) has been found to possess anti-cancer function in certain tumors. However, the function of miR-562 in glioblastoma (GBM) is still not fully understood.<h4>Purpose</h4>The aim at present study is to analyze the function of miR-562 and its possible target in GBM cells.<h4>Patients and methods</h4>In the present study, a total of 80 GBM samples and 16 adjacent noncancerous tissues were used to examine the expression of miR-562 and c-MET. In order to gain a  ...[more]

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