Abstract
The objective of this study was to evaluate the effect of the butanol fraction from Allium tuberosum (BFAT) in high fat diet/streptozotocin (HFD/STZ) induced diabetic nephropathy. Wistar rats were fed with HFD for 4 weeks and thereafter administered with 35 mg/kg STZ intraperitoneally. Diabetic rats were treated with BFAT (100 or 400 mg/kg) and metformin (150 mg/kg) for 40 days. After treatment, the blood, urine and kidney tissues were obtained for biochemical and histological analysis. BFAT markedly decreased blood glucose, serum creatinine, blood urea nitrogen and urinary albumin levels in diabetic rats. Furthermore, BFAT upregulated renal antioxidant enzymes status (glutathione, superoxide dismutase and catalase) and decreased lipid peroxidation product in diabetic rats as well as reduced the levels of renal pro-inflammatory cytokines in diabetic rats. In addition, BFAT significantly decreased serum and renal levels of triglyceride and cholesterol in the treated diabetic rats. These results revealed that A. tuberosum possesses attenuative effects against diabetic nephropathy.
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