Potential Antioxidant Activity of Calcium and Selected Oxidative Stress Markers in Lead- and Cadmium-Exposed Workers

Table 2

The concentrations of malondialdehyde (MDA), lipofuscin (LPS), glutathione reductase (GR), glutathione S-transferase (GST), glutathione peroxidase (GPX), catalase (CAT), and superoxide dismutase (SOD) in erythrocytes in the low-calcium-level group (L-Ca group) and the high-calcium-level group (H-Ca group).

	L-Ca group		H-Ca group		Relative change %
	Mean	±SD	Mean	±SD
MDA (nmol/gHb)	219	62.63	232	77.91	6%	0.140
LPS (RU/gHb)	654	217	638	280	-2%	0.603
GR (IU/gHb)	7.00	1.55	6.96	1.44	-1%	0.826
GST (mIU/gHb)	184	72.0	185	76.60	1%	0.906
GPX (IU/gHb)	52.2	13.6	50.5	15.72	-3%	0.357
CAT (kIU/gHb)	458	63.5	462	65.16	1%	0.653
SOD (NU/mgHb)	192	33.5	198	35.45	3%	0.141

Data are expressed as.