Abstract
The present study aims to investigate the heptonephro-protective effect of grape seeds proanthocyanidin extract (GSPE) against the risks induced by gibberellic acid (GA3) in male rats. The results recorded that GA3 caused a significant increase in total lipids, total cholesterol, triglycerides and LDL-C levels in serum, concomitant with a significant decrease in serum HDL-C. A significant increase in serum AST, ALT, urea and creatinine, while, a significant decrease in total protein content in serum was observed in rats given GA3. Hepatic and renal lipid peroxidation product (MDA) was significantly increased, meanwhile, total antioxidant capacity (TAC), glutathione, and catalase levels were significantly decreased. In addition, there was a negative change in liver structure including dilatation in the central veins with degeneration of endothelium cells and cellular injury around the veins as well as in the kidney structure such as lesion in both glomeruli and tubules, detachment of the Malpighian corpuscles from the Bowman's capsule's epithelium, shrinkage in the glomerular capillary network. However, almost all of these adverse effects seemed to be ameliorated by oral administration of GSPE with GA3 to rats for 2month indicating the protective effect of grape seeds GSPE on GA3 induced oxidative stress in rats.
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