Table 2.
Oxidative stress biomarkers in plasma and erythrocyte from mothers (before and after delivery) and from both vein and artery of umbilical cord.
Mothers (n = 56) | Umbilical cord (n = 56) | |||
---|---|---|---|---|
Before delivery | After delivery | Vein | Artery | |
Plasma parameters | ||||
TAS (nmol/mL) | 1.06 ± 0.03a | 0.98 ± 0.03b | 0.96 ± 0.02b | 1.07 ± 0.03a |
Peroxides (nmol/mL) | 9.93 ± 0.42a | 11.11 ± 0.38b | 7.89 ± 0.82c | 6.70 ± 0.24d |
Erythrocyte parameters | ||||
CAT cytosol (K/seg·mg) | 0.389 ± 0.021a | 0.403 ± 0.016a | 0.287 ± 0.011b | 0.269 ± 0.009b |
GPx cytosol (U/mg) | 55.18 ± 2.87a | 64.93 ± 2.67b | 32.91 ± 1.06c | 33.17 ± 1.21c |
SOD cytosol (U/mg) | 215.56 ± 9.01a | 221.73 ± 8.23a | 233.89 ± 6.96a | 220.39 ± 7.89a |
Membrane hydroperoxides (nmol/mL) | 22.83 ± 1.13a | 26.87 ± 1.38b | 25.91 ± 0.99b | 22.58 ± 0.95a |
Values are mean ± SEM. For every column, mean values with different superscript letters were significantly different (P < 0.05).