4.2 Article

The Role of Vitamin C, Vitamin E, and Selenium on Cadmium-Induced Renal Toxicity of Rats

Journal

DRUG AND CHEMICAL TOXICOLOGY
Volume 31, Issue 4, Pages 413-426

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/01480540802383200

Keywords

Cadmium; Kidney; Vitamin C; Vitamin E; Selenium; Rat

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The aim of this study was to determine whether vitamin C, vitamin E, and selenium have protective effects against cadmium-induced renal toxicity of rats. Vitamin C (250 mg/kg/day), vitamin E (250 mg/kg/day), and sodium selenate (0.25 mg/kg/day) were given to rats orally for 8 days. Cadmium (2 mg/kg/day CdCl2) was given to rats intraperitoneally. Vitamin C, vitamin E, and selenium (in the same dose and time) were given 1 h prior to the administration of cadmium every day. The tissue and blood samples were taken from the rats for histological evaluation and biochemical analyses on the Day 9. Lipid peroxidation (LPO) and glutathione (GSH) determination were made in kidney tissue. In addition, urea and creatinine levels were determined in serum. The damage to the kidney tissue was moderate in the rats given cadmium. In this group, the distinctive changes in the proximal tubules were observed. Degenerative changes in kidney tissue were also observed in rats given vitamin C, vitamin E, selenium, and cadmium. LPO levels significantly increased and GSH levels decreased in kidney tissues following cadmium administration. Serum urea and creatinine levels were also increased in rats given cadmium. The administration of vitamin C, vitamin E, and selenium caused a significant decrease in LPO levels and an increase in GSH levels in the kidney of rats given cadmium. Serum urea and creatinine levels were decreased in rats given both the antioxidant and cadmium. It is concluded that vitamin C, vitamin E, and selenium showed some protective effect on the rat kidney.

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