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http://dx.doi.org/10.5352/JLS.2004.14.2.280

Reduction of Oxidative Stress by Chondroitin Sulfate in the Ovariectomy-Induced Aging Rat  

이진영 (인제대학교 의과대학 의학과 생화학전공)
하배진 (신라대학교 공과대학 생명공학전공)
Publication Information
Journal of Life Science / v.14, no.2, 2004 , pp. 280-285 More about this Journal
Abstract
The ovarian hormone-deficiency induced ovariectomy rat is widely used as an aging model due to its practicality, convenience, and cost effectiveness. The surgically ovariectomized rat induces reactive oxygen species (ROS) generation like aging phenomena. Free oxygen radicals have been proposed as important causative agents of aging. The purpose of this study was to investigate the effect of chondroitin sulfate (CS) to prevent ovariectomy (OVX)-induced oxidative stress. The OVX rats were given intraperitoneally CS at doses of 100 mg/kg and 200 mg/kg daily for fifteen weeks. Malondialdehyde (MDA) levels were determined as well as the activities of superoxide dismutase (SOD), catalase (CAT), reduced-glutathione (GSH), oxidized-glutathione (GSSG), glutathione peroxidase (GPx) in the liver. The liver antioxidative enzyme activity was elevated while MDA concentration decreased in all CS treated animals. The results demonstrated that CS reduced oxidative stress in a dose dependent manner. These results suggest that CS might be a useful candidate for antioxidative reagent.
Keywords
Chondroitin sulfate; Reactive oxygen species; Ovariectomy; Malondialdehyde; Anti-oxidative stress;
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