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Lovasova E.,Pavol Jozefsafarik University Trieda 1 | Racz O.,Pavol Jozefsafarik University Trieda 1 | Cimbolakova I.,Pavol Jozefsafarik University Trieda 1 | Novakova J.,Pavol Jozefsafarik University Trieda 1 | And 2 more authors.
Journal of Toxicology and Environmental Health - Part A: Current Issues | Year: 2013

The effects of long-term (1 yr) exposure to low doses of cadmium (Cd) dissolved in drinking water on selected biochemical and antioxidant parameters were studied in Wistar rats. Rats were divided into four groups: male control group (C-m), female control group (C-f), male Cd-exposed group (Cd-m), and female Cd-exposed group (Cd-f). Cd groups were exposed to Cd dissolved in drinking water (cadmium dichloride 4.8 mg CdCl2/L, i.e., 2.5 mg Cd/L, 500-fold of maximal allowable concentration for potable water). The experiment was terminated on d 370. In all groups, biochemical parameters (total protein [TP], albumin, alanine aminotransferase, aspartate aminotransferase, glucose, cholesterol, triacylglycerols, urea, and creatinine) and antioxidant parameters (glutathione peroxidase, superoxide dismutase, and total antioxidant capacity) were measured in the blood. Total protein and albumin concentrations were decreased significantly in the Cd-m group. Other biochemical parameters did not change in Cd groups compared to control groups. Superoxide dismutase fell significantly in both male and female Cd-exposed groups. Activity of glutathione peroxidase was markedly lower in Cd-exposed groups. Total antioxidant capacity increased significantly in Cd-f group. These results suggest that chronic low-dose oral Cd exposure induces oxidative stress. © 2013 Copyright Taylor and Francis Group, LLC.

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