期刊
INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE
卷 42, 期 6, 页码 3309-3317出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/ijmm.2018.3882
关键词
microRNA-552; hepatocellular carcinoma; invasion; epithelial-mesenchymal transition; Wnt inhibitory factor 1
资金
- National Natural Scientific Foundation of China [81472247]
MicroRNAs (miRNAs/miRs) are involved in the metastasis of hepatocellular carcinoma (HCC). In the present study, it was demonstrated that miR-552 was upregulated in HCC tissues. High miR-552 expression was associated with malignant clinicopathological features and decreased survival rates. The in vitro results indicated that miR-552 overexpression promoted migration, invasion and epithelial-mesenchymal transition in Hep3B cells. However, the knockdown of miR-552 inhibited its oncogenic roles in Huh-7 cells. Additionally, Wnt inhibitory factor 1 (WIF1) was demonstrated to be a direct target of miR-552 in Hep3B and Huh-7 cells. Additional experiments identified that miR-552 promotes beta-catenin expression by increasing the phosphorylation of GSK3 beta at Ser9. In conclusion, the results suggested that miR-552 may promote HCC progression by blocking WIF1-mediated GSK3 beta dephosphorylation. miR-552 may be a biomarker for predicting the outcomes of patients with HCC.
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