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International Journal of Pharmacology

Year: 2007 | Volume: 3 | Issue: 2 | Page No.: 143-148
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Authors

I.J. Atangwho

P.E. Ebong

M.U. Eteng

E.U. Eyong

A.U. Obi

Keywords

Research Article

Effect of Vernonia amygdalina Del Leaf on Kidney Function of Diabetic Rats

I.J. Atangwho, P.E. Ebong, M.U. Eteng, E.U. Eyong and A.U. Obi
This research assessed the hypoglycemic action of ethanolic extract of Vernonia amygdalina del and its impact on selected indices of kidney function in experimental diabetic rat models. Twenty-one Wistar rats (120-160 g) assigned to 3 groups of seven rats each were used. Groups 1 and 3, constituting the diabetic (DC) and normal controls (NC), respectively were both given placebo treatment, whereas group 2 was the test group of animals administered the extract (400 mg kg-1 body weight) by gastric-intubation for 14 days. Results of analyses of serum electrolytes and biochemical indices showed: significant reductions (p<0.05) in glucose, urea and sodium concentrations of the V. amygdalina ethanolic extract treated group (144.14±25.83, 81.60±16.52 and 65.00±6.24, respectively) relative to their respective controls (247.25±4.83, 122.08±10.60 and 116.62±12.00). Serum chloride levels of the test group also reduced, whereas, that of potassium and creatinine were elevated with respect to their normal control values. However, these later changes were non-significant (p>0.05). Histological changes in the kidney tissues such as necrosis of tubules, degeneration of cells of glomerular capsule and partial obliteration of glomerular tuft observed in diabetic animals were reversed in extract treated diabetic group. Vernonia amygdalina extract besides its hypoglycemic action, can protect against kidney impairments due to diabetes, but may induce dilutional hyponatraemia.
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