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Synergistic renoprotective effect of a compiled branched-chain amino acids and Cymbopogon schoenanthus extract against experimentally induced oxido-nitrosative renal insult

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Asian Pacific Journal of Tropical Medicine 2018年第5期11卷 342-349页

作者： Omar abdel-Hamed Ahmed-Farid Bosy Azmy Abd El-Motelp enaam abdel-mohsen essa Mohamad Warda Physiology Department National Organization for Drug Control and Research Zoology Department-Faculty of Women for Arts Science and EducationAin Shams University Department of Biochemistry and Chemistry of Nutrition Faculty of Veterinary Medicine Cairo University

Objective: To better investigate the protective role of branched-chain amino acids(BCAAs)and Cymbopogon schoenanthus(CS) extract against the potassium dichromate(PDC)-induced oxido-nitrosative nephrotoxic insult in the experimental rat model. Methods: Thirty male rats were randomly divided into five equal groups: The 1 st group served as control; the 2^(nd)was injected with a single dose of PDC(15 mg/kg b.w i.p.);the 3^(rd), 4^(th), and 5^(th) groups were respectively treated with BCAAs, CS, and their combination for 15 d prior to induction of renal insult via PDC single dose(15 mg/kg b.w s.c.). The experimental period was terminated in all groups 2 d after induction of renal insult. The harvested kdney samples were divided for biochemical assays and histological examination. Results: The PDC-induced nephrotoxic effect caused a depletion of renal oxidative scavengers glutathione, superoxide dismutase with consequent lipo-oxidative cellular membrane deterioration manifested by a rise in malonaldehyde, oxidized glutathione, myeloperoxidase and the concomitant increase in inflammatory response elements tumor necrosis factor α, nitric oxide, and interleukin 1 β.Moreover, the comet assay and increased 8-hydroxy-2-deoxyguanosine proved an accelerated apoptotic DNA fragmentation. These local renal changes were met with global altered blood biochemistry. The BCAAs and CS or their compiled administration showed an ameliorative effect against PDC-induced nephrotoxic in a synergistic pattern. Conclusions: Both BCAAs and CS or their combined administration afford potential competitors against renal insult induced by polyvalent anion pollutants in experimentally studied animals model. As a route for novel drug discovery, further investigation should be attempted to optimize their augmenting reno-protecting potential.

关键词： Branched chain amino acids Cymbopogon schoenanthus Nephrotoxicity Comet assay Rats

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