OBJECTIVE: The purpose of this study is to determine the antioxidant and anti-inflammatory effects of alpha lipoic acid (ALA) on methotrexate (MTX) induced kidney injury in rats.
MATERIALS AND METHODS: Thirty-two rats were equally divided into four groups; control, ALA, MTX and MTX with ALA groups. A single dose of MTX (20 mg/kg) was administered to make kidney injury to groups 3 and 4, intraperitoneally. The ALA was administered intraperitonealy in groups 2 and 4 and the other groups received saline injection for five days. On the sixth day the blood samples and kidney tissues were obtained for the measurement of TNF-α, IL-1β, malondialdehyde, glutathione, myeloperoxidase and sodium potassium-adenosine triphosphatase levels and histological examination.
RESULTS: Administration of MTX caused a decrease in tissue GSH, and Na+, K+-ATPase activity significantly. A significant increase in tissue MDA and MPO activities were also seen. The pro-inflammatory cytokines (TNF-α, IL-β) were increased in the MTX group significantly. ALA treatment reversed all biochemical indices as well as histopathological alterations induced by MTX administration.
CONCLUSIONS: MTX made oxidative damage on kidneys of rat and it was partially prevented by anti-inflammatory and antioxidant effects of ALA treatment.Free PDF Download
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T. Çakır, C. Polat, A. Baştürk, M. Gül, A. Aslaner, H. Durgut, A.Ö. Şehirli, A. Aykaç, L. Bahar, M.Z. Sabuncuoglu
The effect of alpha lipoic acid on rat kidneys in methotrexate induced oxidative injury
Eur Rev Med Pharmacol Sci
Vol. 19 - N. 11