MicroRNA-493 suppresses cell proliferation and invasion by targeting ZFX in human hepatocellular carcinoma

Cancer Biomarkers : Section a of Disease Markers
Wei DingXinghua Pan

Abstract

MicroRNAs (miRNAs) are some RNA molecules that negatively regulate gene expression by binding to the 3'-untranslated region (3'-UTR) of target mRNA molecules. The aim of the study is to investigate the clinical role and functional effects of microRNA-493 (miR-493) in human hepatocellular carcinoma (HCC). Expression of miR-493 in 58 cases of HCC tissues and adjacent normal tissues was determined by using quantitative real-time PCR (qRT-PCR) analyses. In vitro, cell proliferation and invasion capacity was evaluated by CCK8 assay and trans-well invasion assay. Luciferase reporter assay, western blot and qRT-PCR were used to detect the association between miR-493 expression and zinc finger protein X-linked (ZFX) in HCC. Expression of miR-493 was significantly downregulated in HCC tissues compared to adjacent normal tissues. Lower miR-493 expression associated with tumor size, vascular invasion and poor overall survival (OS) and disease free survival (DFS) time of HCC patients. In vitro, transfection of miR-493 mimic in HCC cells inhibited cell proliferation and invasion abilities. However, transfection of miR-493 inhibitor in HCC cells had promoting effects. Luciferase reporter assay, qRT-PCR and western blot analysis demonstrated ...Continue Reading

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Feb 27, 2019·Genetic Testing and Molecular Biomarkers·Di HuXinguang Qiu
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