Journal
JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY
Volume 25, Issue 6, Pages 355-361Publisher
WILEY
DOI: 10.1002/jbt.20395
Keywords
Antioxidants; Coumarin; Lipid Peroxidation; Oxidative Stress; Type 2 Diabetes
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The purpose of this study was to investigate the antioxidant role of coumarin on streptozotocinnicotinamide-induced Type 2 diabetic rats. In experimental rats, the levels of plasma glucose, insulin, and the levels of thiobarbituric acid reactive substances, lipid hydroperoxides, conjugated dienes, and the activities of superoxide dismutase, catalase, glutathione-S-transferase, and glutathione peroxidase were assayed in liver and kidney. Diabetic rats showed elevated levels of plasma glucose and lipid peroxidation markers and reduced plasma insulin and antioxidant enzymes. Oral administration of coumarin resulted in a significant reduction in the plasma glucose and lipid peroxides and a significant increase in the plasma insulin and antioxidant enzymes. Chronic treatment of coumarin remarkably restored the normal status of the histopathological changes observed in the selected tissues. It can be concluded that coumarin has antioxidant effect in Type 2 diabetic rats. (c) 2011 Wiley Periodicals, Inc. J Biochem Mol Toxicol 25:355361 2011; View this article online at . DOI 10.1002/jbt.20395
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