Abstract
The objective of this study was to investigate the hepatoprotective effect of cod skin collagen peptides (CSCP), isolated from fishing industrial by-products, in vitro and in vivo. Effect of CSCP on cell proliferation of normal and H2O2-damaged Chang liver cells was determined by MTT assay in vitro. Two animal models, CCl4-induced and acetaminophenum-induced acute hepatotoxicity, were established to assess the hepatoprotective effect of CSCP. Liver weight index, serum ALT and AST, antioxidant enzymes, and lipid peroxidation product were used as the markers of liver toxicity. The cell viability in the H2O2-treated Chang liver cells was remarkably increased when pretreated with CSCP from 100 to 1,000 µg/ml in a dose-dependent manner. CSCP pretreatment also alleviated the CCL4-induced liver index loss, while no marked changes were found in acetaminophenum-treated mice. Furthermore, CSCP pulled down serum ALT and AST level, increased the activities of SOD and CAT, and decreased MDA in both murine models of acute liver toxicity. Pretreatment with CSCP protected liver tissue against oxidative injure in vivo and in vitro. The underlying mechanism might involve enhancement in the activities of antioxidant enzymes and reduction in the lipid peroxidation.
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This work was supported by Agricultural Science and Technology Program of Qingdao (Grant No.14-2-3-50-nsh).
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Han, Y., Xie, J., Gao, H. et al. Hepatoprotective Effect of Collagen Peptides From Cod Skin Against Liver Oxidative Damage In Vitro and In Vivo. Cell Biochem Biophys 71, 1089–1095 (2015). https://doi.org/10.1007/s12013-014-0313-x
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DOI: https://doi.org/10.1007/s12013-014-0313-x