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- W2580021799 abstract "Background and Purpose Currently, ursodeoxycholic acid and obeticholic acid are the only two FDA‐approved drugs for cholestatic liver diseases. Thus, new therapeutic approaches need to be developed. Here we have evaluated the anti‐cholestasis effects of Schisandrol B (SolB), a bioactive compound isolated from Schisandra sphenanthera . Experimental Approach Hepatoprotective effect of SolB against intrahepatic cholestasis, induced by lithocholic acid (LCA), was evaluated in mice. Metabolomic analysis and gene analysis were used to assess involvement of pregnane X receptor (PXR). Molecular docking, cell‐based reporter gene analysis and knockout mice were used to demonstrate the critical role of the PXR pathway in the anti‐cholestasis effects of SolB. Key Results SolB protected against LCA‐induced intrahepatic cholestasis. Furthermore, therapeutic treatment with SolB decreased mortality in cholestatic mice. Metabolomics and gene analysis showed that SolB accelerated metabolism of bile acids, promoted bile acid efflux into the intestine, and induced hepatic expression of the PXR‐target genes Cyp3a11, Ugt1a1 , and Oatp2, which are involved in bile acid homeostasis. Mechanistic studies showed that SolB activated human PXR and up‐regulated PXR target genes in human cell lines. Additionally, SolB did not protect Pxr ‐null mice from liver injury induced by intrahepatic cholestasis, thus providing genetic evidence that the effect of SolB was PXR‐dependent. Conclusion and Implications These findings provide direct evidence for the hepatoprotective effects of SolB against cholestasis by activating PXR. Therefore, SolB may provide a new and effective approach to the prevention and treatment of cholestatic liver diseases." @default.
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- W2580021799 date "2017-03-16" @default.
- W2580021799 modified "2023-10-16" @default.
- W2580021799 title "Schisandrol B protects against cholestatic liver injury through pregnane X receptors" @default.
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- W2580021799 doi "https://doi.org/10.1111/bph.13729" @default.
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