miR-431-5p alters the epithelial-to-mesenchyma transition markers by targeting UROC28 in hepatoma cells
ONCOTARGETS AND THERAPY(2018)
Abstract
Objective: MicroRNA (miR)-431 plays an essential role in various human cancer types, particularly in the process of invasion. However, the function and mechanism of milt-431-5p in the invasion of hepatocellular carcinoma (HCC) remain undefined. Methods: The expression levels of miR-431-5p and its potential target protein UROC28 in hepatocellular carcinoma cells and tissues were detected, and the levels of EMT markers in vivo and in vitro were also detected. Results: MiR-431-5p was downregulated in HCC cell lines and tissues and associated with vascular invasion and tumor encapsulation. Furthermore, miR-431-5p was able to influence the epithelialto- mesenchymal transition (EMT) process in HCCLM3 and HUH7 cells. Mechanistically, it was discovered that miR-431 -5p repressed invasion by targeting UROC28. Furthermore, miR-431-5p influenced the EMT markers in HCCLM3 and HUH7 cells by downregulating UROC28 expression. Similarly, in vivo assays confirmed that miR-431-5p upregulation in HCC cells remarkably inhibited tumor proliferation and influenced the EMT markers. Conclusion: The current study has demonstrated that the mi R-431-5p/UROC28 axis acts possible influence on the EMT in FICC. Upregulation of miR-431-5p could be an original approach for inhibiting tumor invasion.
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Key words
hepatocellular carcinoma,microRN A-431,UROC28,PBOV1,epithelial-to-mesenchymal transition
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