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• W3008381305 endingPage "112689" @default.
• W3008381305 startingPage "112689" @default.
• W3008381305 abstract "Tanshinone IIA (TIIA) is a major component extracted from the traditional herbal medicine salvia miltiorrhiza (Danshen), which activates blood circulation and treats chronic hepatitis and liver fibrosis. However, the underlying molecular mechanism of TIIA against hepatic fibrosis is still largely unknown.The present study aimed to evaluate the antifibrotic effects of TIIA in liver fibrosis and investigate its underlying mechanism through network pharmacology-based prediction and experimental verification.In this study, a TIIA-targets-liver fibrosis network was constructed by combining the TIIA-specific and hepatic fibrosis-specific targets with protein-protein interactions (PPIS), and network pharmacology was applied to identify the potential targets and mechanisms of TIIA in the treatment of hepatic fibrosis. The antifibrotic effect of TIIA was investigated in CCl4-induced liver fibrosis in rats in vivo and in the human HSC line LX2 in vitro.We identified 75 potential targets of TIIA and 1382 targets of liver fibrosis. Subsequently, the 29 target proteins that overlapped between the potential TIIA targets and the liver fibrosis targets indicated that TIIA has potential antifibrotic effects through regulating multiple targets, including c-Jun, c-Myc, CCND1, MMP9 and P65. Pathway and functional enrichment analysis of these putative targets showed that TIIA could regulate the MAPK, PI3K/Akt and Wnt signaling pathways. Consistently, in vivo and in vitro experiments indicated that TIIA attenuated CCl4-induced liver injury and fibrosis and inhibited hepatic stellate cell (HSC) proliferation and activation; these findings were concomitant with the decreased expression of α-smooth muscle actin (α-SMA) and human α2 (I) collagen (COL1A2). Moreover, TIIA remarkably downregulated the expression of c-Jun, c-Myc, MMP9, PI3K and P38 proteins, which were upregulated in CCl4-induced hepatic fibrosis in vivo. TIIA significantly downregulated the expression of c-Jun, p-c-Jun, c-Myc, CCND1, MMP9, P65, P-P65, PI3K and P38 proteins, which were upregulated during HSC activation in vitro.Our study demonstrated that TIIA could significantly improve liver function, decrease liver injury, alleviate ECM accumulation, and attenuate HSC proliferation and activation, thus exerting an antifibrotic effect. The possible molecular mechanism involved MAPK, Wnt and PI3K/Akt signaling pathways via inhibiting c-Jun, p-c-Jun, c-Myc, CCND1, MMP9, P65, P-P65, PI3K and P38. Overall, our results suggest that TIIA could alleviate liver fibrosis through multiple targets and multiple signaling pathways and provide deep insight into the pharmacological mechanisms of TIIA in the treatment of hepatic fibrosis." @default.
• W3008381305 created "2020-03-06" @default.
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• W3008381305 date "2020-05-01" @default.
• W3008381305 modified "2023-10-04" @default.
• W3008381305 title "A network pharmacology approach to investigating the mechanism of Tanshinone IIA for the treatment of liver fibrosis" @default.
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• W3008381305 doi "https://doi.org/10.1016/j.jep.2020.112689" @default.
• W3008381305 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32101775" @default.
• W3008381305 hasPublicationYear "2020" @default.
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