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Attenuation of Some Metabolic Deteriorations Induced by Diabetes Mellitus Using Carnosine

Author(s): K.M. Soliman | A.M. Mohamed | N.S. Metwally

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 7;
Issue: 16;
Start page: 2252;
Date: 2007;
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Keywords: Carnosine | diabetes | serum | glucose | cortisol | lipid profiles | iron | liver functions

The protective ability of carnosine against some metabolic disorders and oxidative stress in Strepotzotocin (STZ) diabetic-induced model was studied. Diabetic rats showed significant increase in serum glucose and cortisol levels indicating disturbance of carbohydrate metabolism, increased triglycerides, total cholesterol, LDL-cholesterol as well as iron level indicating abnormal lipid metabolism and iron overload. Marked increase in serum alanine aminotransferase (ALT), aspartate aminotransferase (AST) and sorbitol dehydrogenase (SD) were also demonstrated implying impairment of liver function. Concomitantly, the results revealed an impairment of antioxidant status of diabetic animals as evidenced by significant decrease in vitamin E and HDL-C levels. Administration of either two doses of carnosine (10 mg/100 g b.w. or 20 mg/100 g b.w.) two weeks before and after diabetic induction, was effective in ameliorating serum glucose level of diabetic animals and improving the deterioration in the studied parameters. The best results were obtained with the higher dose. No significant changes were noted in serum bilirubin level among the different studied groups. These data suggest that carnosine is a potential multi-protective agent for diabetic complications prevention or therapy.

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