Oxidative Stress Markers and Their Dynamic Changes in Patients after Acute Ischemic Stroke
Table 2
Levels of oxidative stress markers and activities of antioxidant enzymes in experimental groups of ischemic stroke patients (A, B, C) and healthy controls.
Parameter (units)
Co
A
B
C
Lipid peroxides in plasma (nmol/mL)
43.48 ± 2.98
55.09 ± 3.55
43.62 ± 3.72
44.37 ± 5.47
8-Isoprostanes in urine (ng/mmol creatinin)
32.57 ± 4.40
68.69 ± 10.93
43.72 ± 8.65
43.89 ± 12.70
Protein carbonyls in plasma (nmol/mg protein)
0.25 ± 0.04
0.22 ± 0.03
0.28 ± 0.04
0.20 ± 0.07
TEAC in plasma (mmol/L)
1.49 ± 0.13
1.64 ± 0.12
1.47 ± 0.17
2.77 ± 0.17
PON1 in serum (U/mL)
104.07 ± 3.04
86.45 ± 3.57
85.86 ± 4.61
102.39 ± 7.95
SOD in hemolysates (U/mg Hb)
661.44 ± 7.15
697.62 ± 8.95
750.45 ± 9.72
747.41 ± 17.27
Catalase in hemolysates (µkat/g Hb)
3.61 ± 0.17
4.92 ± 0.17
6.56 ± 0.24
4.85 ± 0.21
GPx in hemolysates (U/g Hb)
24.83 ± 1.24
36.16 ± 4.91
26.28 ± 1.51
23.55 ± 2.60
Data are presented as means ± SEM. Co: control individuals; A: patients within 24 h after AIS, B: patients at 7-day follow-up, and C: patients at 3-month follow-up; TEAC: trolox equivalent antioxidant capacity of plasma; PON1: paraoxonase activity; SOD: superoxide dismutase activity; GPx: glutathione peroxidase activity; Hb: hemoglobin. < 0.05; < 0.01; < 0.001 versus controls.