期刊
CARBOHYDRATE POLYMERS
卷 83, 期 2, 页码 995-1000出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2010.09.016
关键词
Chitooligosaccharides; tert-BHP; Oxidative damage; ROS; Antioxidant enzymes
Hepatoprotective effect of chitooligosaccharides (COSs) with different molecular weights was investigated against tert-butylhydroperoxide (t-BHP)-induced damage in Chang liver cells For that we evaluated the cell viability inhibition of production of reactive oxygen species (ROS) lipid peroxidation inhibition glutathione (GSH) contents and the levels of antioxidant enzymes including catalase (CAT) superoxide dismutase (SOD) and glutathione peroxidise (GPx) under oxidative damage by t-BHP COSs does not have any harmful or inhibitory effect against cell growth at concentrations ranging from 0 1 to 1 0 mg/mL. Under oxidative damage COSs Increased the cell viability in Chang liver cells exposed to t-BHP and significantly (p < 0 05) reduced ROS generation and lipid peroxidation In addition COSs assisted to increase the GSH content and antioxidant enzyme activity Hence these results indicate that COSs protected Chang liver cells against oxidative damage induced by t-BHP via inhibiting production of ROS and lipid peroxidation and the elevation of the levels of antioxidant enzymes (C) 2010 Elsevier Ltd All rights reserved
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