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MiR-371 promotes proliferation and metastasis in hepatocellular carcinoma by targeting PTEN.


ABSTRACT: Hepatocellular carcinoma (HCC) is the leading cause of cancer-related mortality worldwide. MiR-371 has recently emerged as an important regulator in tumorigenesis, and may serve as a biomarker for malignant tumors. We transfected miR-371 or its inhibitor in two human HCC cell lines, then used 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, soft agar colony formation, and transwell migration assays to evaluate the effects on cell proliferation, migration, and invasion. We found that miR-371 was positively correlated with HCC metastasis and poor prognosis in the inflicted patients, and the high expression of miR-371 was promoted, whereas a low level of miR-371 depressed cell proliferation and invasion. We found PTEN to be a direct target of miR-371. The overexpression or knockdown of PTEN exhibited the opposite effects from those of miR-371 on cell proliferation and migration. Our study demonstrates that miR-371 promotes proliferation and metastasis in HCC by targeting PTEN. [BMB Reports 2019; 52(5): 312-317].

SUBMITTER: Wang H 

PROVIDER: S-EPMC6549920 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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MiR-371 promotes proliferation and metastasis in hepatocellular carcinoma by targeting PTEN.

Wang Hao H   Zhao Yi Y   Chen Tingsong T   Liu Guofang G   He Nan N   Hu Heping H  

BMB reports 20190501 5


Hepatocellular carcinoma (HCC) is the leading cause of cancer-related mortality worldwide. MiR-371 has recently emerged as an important regulator in tumorigenesis, and may serve as a biomarker for malignant tumors. We transfected miR-371 or its inhibitor in two human HCC cell lines, then used 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, soft agar colony formation, and transwell migration assays to evaluate the effects on cell proliferation, migration, and invasion. We found that  ...[more]

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