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Vildagliptin ameliorates renal injury in type 2 diabetic rats by suppressing oxidative stress
Fariba Aghahoseini1, Alireza Alihemmati1,2, Leila Hosseini3
1Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Purpose:
Vildagliptin has been shown to prevent microvascular complications during diabetes. The aim of this research was to evaluate the antioxidant effects of vildagliptin in diabetic nephropathy.
Methods:
The diabetes was induced in the animals by high-fat diet and intraperitoneal injection of 35 mg/kg streptozotocin. After diagnosis of diabetes, the vildagliptin (6 mg/kg/day) was orally administered for one month. The biochemical parameters of blood urea nitrogen, creatinine, insulin, and serum albumin were measured. The levels of stress oxidative markers were detected using spectrophotometry.
Results:
Treatment with vildagliptin significantly diminished blood glucose, oxidative stress, and reduced creatinine as well as increased insulin secretion. In addition, the vildagliptin improved renal glomerular and tubule interstitial damages and reduced vascular lesions.
Conclusions:
The treatment with vildagliptin can be useful in controlling the renal complications of type 2 diabetes mellitus through inhibiting lipid peroxidation and increasing the antioxidant enzymes.
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