Therapeutic effect of Acacia nilotica pods extract on streptozotocin induced diabetic nephropathy in rat

Enayat A Omara, Somaia A Nada, Abdel Razik H Farrag, Walid M Sharaf, Sayed A El-Toumy
Phytomedicine 2012 September 15, 19 (12): 1059-67
The aim of the present study was to examine the effect of aqueous methanol extract (150 and 300 mg/kg body weight) of Acacia nilotica pods in streptozotocin-induced diabetic rats for 60 days, and its biochemical, histopathological and histochemical study in the kidney tissues. Diabetic rats exhibited hyperglycemia, elevated of serum urea and creatinine. Significant increase in lipid peroxidation (LPO), superoxide dismutase (SOD) and reduced glutathione (GSH) was observed in diabetic kidney. Histopathological examination revealed infiltration of the lymphocytes in the interstitial spaces, glomerular hypertrophy, basement membrane thickening and tubular necrosis with loss of their brush border in some of the proximal convoluted tubules in diabetic rats. Acacia nilotica extract lowered blood glucose levels, restored serum urea and creatinine. In addition, Acacia nilotica extract attenuated the adverse effect of diabetes on LPO, SOD and GSH activity. Treatment with Acacia nilotica was found to almost restore the normal histopathological architecture of kidney of streptozotocin-induced diabetic rats. However, glomerular size and damaged area showed ameliorative effect after treatment with the extract. In conclusion, the antioxidant and antihyperglycemic properties of Acacia nilotica extract may offer a potential therapeutic source for the treatment of diabetes.

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