Abstract
This study investigated the toxicity of aluminum chloride (AlCl3) exposure in the rat kidney. Forty male Wistar rats (5weeks old), weighing 110-120g, were randomly divided into four groups: control group (CG, 0g/L AlCl3), low dose group (LG, 0.4g/L AlCl3), mid dose group (MG, 0.8g/L AlCl3), and high dose group (HG, 1.6g/L AlCl3). Rats were administered AlCl3 in their drinking water for 120days. A variety of measurements were taken including superoxide dismutase (SOD) and glutathione peroxidase (GSH-PX) activities, malondialdehyde (MDA) concentration in the kidney and blood urea nitrogen (BUN), and cystatin C (Cys-C) concentrations in the serum. In addition, Al and β2-microglobulin (β2-MG) concentrations and the activity of N-acetyl-β-D-glucosaminidase (NAG) in the urine were determined. The results showed that in the AlCl3-treated groups SOD and GSH-PX activities were decreased, while NAG activity and Al, MDA, BUN, Cys-C, and β2-MG concentrations were increased, compared with the CG. This study indicates that AlCl3 exposure induces oxidative stress and suppresses kidney function.
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