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WAN Aini, XU Dongsheng, CAI Yanfei, CHEN Yun, JIN Jian, LI Huazhong. Anti-liver fibrosis activities of human insulin-like growth factor-1 in vitro[J]. Journal of China Pharmaceutical University, 2017, 48(4): 476-482. DOI: 10.11665/j.issn.1000-5048.20170413
Citation: WAN Aini, XU Dongsheng, CAI Yanfei, CHEN Yun, JIN Jian, LI Huazhong. Anti-liver fibrosis activities of human insulin-like growth factor-1 in vitro[J]. Journal of China Pharmaceutical University, 2017, 48(4): 476-482. DOI: 10.11665/j.issn.1000-5048.20170413
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Anti-liver fibrosis activities of human insulin-like growth factor-1 in vitro

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  • This study was focus on investigating the anti-liver fibrosis effects of insulin-like growth factor-1(IGF-1) in vitro. The effects of IGF-1 on human liver L-02 cell viability and cell cycle were observed. CCl4-induced L-02 cell injury was set up to detect the anti-apoptotic activity of insulin-like growth factor-1(IGF-1). Transforming growth factor β1(TGF-β1)induced hepatic stellate cell line(HSC-T6)were used as a liver fibrosis model in vitro to analyze the effects of IGF-1 on the expression of liver fibrosis proteins and intracellular TGF-β1/Smad signaling pathway in HSC-T6 cells. The results showed that IGF-1 could relieve the growth inhibition effects of TGF-β1 on L-02 cells, increase the viability of L-02 cells injured by CCl4, decrease the expression of liver fibrosis proteins, and inhibit the TGF-β1/Smad signaling pathway by inhibiting the phosphorylation of Smad3. Our study suggested that IGF-1 exerted anti-liver fibrosis effects by stimulating L-02 cells proliferation, reducing cell damage and inhibiting ECM accumulation via interfering TGF-β1/Smad signaling pathway.
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