Browsing by Author "Tanko, Yusuf"

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    Effects of lycopene on kidney antioxidant enzyme activities and functions in streptozotocin-induced diabetic Wistar rats
    (Scientific Publishing Group, 2015) Daniel, EzeEjike; Mohammed, Aliyu; Tanko, Yusuf; Ahmed, Abubakar
    The present study assessed the effects of lycopene on kidney antioxidant enzymes activities and functions in streptozotocin-induced diabetic Wistar rats.Diabetes was induced in animals by single intra-peritoneal injection of streptozotocin. Thereafter the animals were randomly assigned into the following groups: Group I and II (Normal control + olive oil and Diabetic control + olive oil)while Group III to VI were treated with (10, 20 and 40 mg/kg of lycopene and 2 mg/kg glibenclamide) respectively. Alltreatments were givenonce daily orally for four weeks. Results obtained showed that blood glucose was significantly (P < 0.05) reduced. MDAconcentration was reduced in kidney tissue, with increased activities of antioxidant enzymes (superoxide dismutase, catalase, glutathione peroxidase) in diabetic animals administered with lycopene when compared with diabetic control group.There was significant (P < 0.05) increase in the level of serum sodium ion and reduction in serum urea level in diabetic rats treated with lycopene when compared with the diabetic control group. Histological findings showed improved renal architecture as reflected by reduced glomerular and tubular necrosisin all treated groups when compared with control group. It can be concluded that lycopene protects against diabetes-induced kidney damage through elevation of endogenous antioxidant enzymes and improved renal dysfunction in diabetic animals.