Nephroprotective Effect of Ferula assa-foetida Oleo Gum Resin on Type 2 Diabetic Rats.

Diabetic nephropathy is one of the main causes of kidney failure in the end stage of diabetes worldwide. On the other hand, asafoetida is a gum whose hypoglycemic effects have been proven. The present study was conducted with the aim of using asafoetida to prevent diabetic nephropathy. Diabetes was induced by a high-fat diet (60%) and streptozotocin injection (35 mg/kg) in rats. Diabetic rats were treated with an oral dose of 50 mg/kg of asafoetida for 8 weeks. At the end of the experiment, serum and urine parameters were examined. Antioxidant enzymes and lipid peroxidation levels in the kidney were also determined along with its histological examination. The expression levels of tumor necrosis factor-alpha and Transforming growth factor beta genes were also evaluated. Glucose, cholesterol, triglyceride, and HbA1c concentrations were significantly reduced in the asafoetida 50. On the other hand, in the treatment group, serum creatinine, urea, and albumin levels decreased and increased in urine. Antioxidant enzymes in the kidney improved significantly, and the expression of tumour necrosis factor-alpha and transforming growth factor-beta genes decreased. Histopathological examination also showed that necrosis, epithelial damage, and leukocyte infiltration increased in the diabetic and the treatment group. The result of biochemical analysis, enzymatic, and histological examinations showed that asafoetida may delay the progression of diabetic nephropathy due to the presence of anti-inflammatory and antioxidant activities.

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