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Hepatocellular carcinoma (HCC) is the most common primary liver cancer with high incidence and mortality. MiR-597-5p is downregulated in tumor tissues of HCC compared with non-tumor tissues. However, its role in HCC is still unknown. This study aims to assess the function of miR-597-5p in HCC development and investigate the underlying mechanism. To perform gain- and loss-of-function studies, SK-HEP-1 cells and Huh-7 cells were transfected with miR-597-5p mimics and inhibitor, respectively. MiR-597-5p markedly reduced the cell viability and the expression of Ki-67 in HCC cells. MiR-597-5p also repressed the cell cycle progression of HCC cells and the protein levels of cyclin D1 and CDK2. Moreover, miR597-5p inhibited the migration and invasion of HCC cells and decreased MMP2 and MMP9 levels. Transcriptional enhancer associate domain transcription factor 1 (TEAD1) was identified as a target of miR-597-5p by luciferase reporter assay. TEAD1 and its downstream target genes, CTGF and CYR61, were downregulated by miR-597-5p in HCC cells. Furthermore, miR-597-5p was demonstrated to function in HCC progression by targeting TEAD1 via TEAD1 expression gain and loss. Our study demonstrates that miR-597-5p represses the proliferation, migration, and invasion of HCC cells through targeting TEAD1, which provides a therapeutic target for HCC treatment. © 2021. The Society for In Vitro Biology.


Xiaogang Sun, Zhiyun Hou, Ning Li, Shuangwei Zhang. MiR-597-5p suppresses the progression of hepatocellular carcinoma via targeting transcriptional enhancer associate domain transcription factor 1 (TEAD1). In vitro cellular & developmental biology. Animal. 2022 Feb;58(2):96-108

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PMID: 35169903

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