Table 1.

Effects of cadmium and selenium treatments on antioxidant enzymes in rat kidneys

	GPx (U/mg prot)	CAT (U/mg prot)	CuZn-SOD (U/mg prot)	Mn-SOD (U/mg prot)
Control	1698.96 ± 115.09	76.08 ± 8.25	8.35 ± 0.96	1.91 ± 0.09
Cd	1120.90 ± 119.83*	10.85 ± 1.85**	3.68 ± 0.90*	1.27 ± 0.16
Cd + Se	3357.85 ± 288.15**,a	29.82 ± 7.08*	29.61 ± 1.04***,b	15.43 ± 1.22**,b

Notes: Data represent the mean ± standard deviation of six animals per group.

^*P < 0.05;

^**P < 0.01;

^***P < 0.001 compared with the control group.

^aP < 0.01;

^bP < 0.001 compared with the cadmium-treated group.

Abbreviations: CAT, catalase; CuZn-SOD, copper/zinc superoxide dismutase; GPx, glutathione peroxidase; Mn-SOD, manganese superoxide dismutase; prot, protein; Cd, cadmium; Se, selenium.