Abstract
Schisandrin B (Sch B) and miR-101 family members play critical roles in the pathogenesis of liver fibrosis. However, the relationship between them has not been reported yet. Thus, this study aims to fill this research gap. Results showed that Sch B significantly upregulated the expression of miR-101-5p in HSC-T6 cells. Sch B also increased the expression of miR-101-5p by combined administration of TGF-β1 and Sch B. Using miR-101-5p inhibitor, we demonstrated that Sch B can target miR-101-5p through the TGF-β signalling pathway to regulate the proliferation and activation of HSC-T6 cells. A rat model of carbon tetrachloride-induced liver fibrosis was established, and results indicated that Sch B can attenuate liver fibrosis by upregulating the expression of miR-101-5p. In conclusion, Sch B can directly target miR-101 to suppress liver fibrosis. Sch B or miR-101-5p may be used as a therapeutic approach for the prevention and treatment of liver fibrosis.
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