TABLE 2.
Antioxidant enzyme activity during training under hypoxic and normoxic conditions.
| Group | Enzyme | Sex | Training period | |||
|---|---|---|---|---|---|---|
| (unit) | ITU (before) | ITU (after) | FTU (before) | FTU (after) | ||
| HG | SOD | M | 1184.5 ± 316.9 | 1176.9 ± 241.1 | 1293.9 ± 208.1 | 1378.9 ± 145.1 |
| (U·gHb-1) | F | 1364.5 ± 210.4 | 1437.3 ± 209.8 | 1429.2 ± 163.7 | 1356.1 ± 251.9 | |
| GPx | M | 43.1 ± 12.41 | 44.9 ± 15.36 | 51.7 ± 14.2 | 52.8 ± 10.9 | |
| (U·gHb-1) | F | 38.4 ± 6.8 | 45.2 ± 14.8 | 58.9 ± 15.7 | 58.9 ± 10.6 | |
| CAT | M | 205.8 ± 29.3 | 195.4 ± 21.8 | 186.9 ± 37.4 | 217.2 ± 48.0 | |
| (U·gHb-1) | F | 213.7 ± 21.6 | 233.4 ± 33.3 | 239.6 ± 35.9 | 241.5 ± 27.6 | |
| GR | M | 40.7 ± 7.8 | 37.9 ± 5.6 | 30.9 ± 4.8 | 32.9 ± 8.8 | |
| (U·gHb-1) | F | 34.6 ± 6.9 | 35.4 ± 6.1 | 30.4 ± 3.8 | 29.2 ± 4.3 | |
| NG | SOD | M | 1227.6 ± 98.6 | 1236.0 ± 108.3 | 1262.8 ± 50.3 | 1494.6 ± 73.4 |
| (U·gHb-1) | F | 1300.0 ± 345.7 | 1207.9 ± 324.8 | 1375.1 ± 77.5 | 1339.6 ± 28.8 | |
| GPx | M | 49.1 ± 8.0 | 49.6 ± 8.1 | 40.8 ± 7.0 | 51.4 ± 9.1 | |
| (U·gHb-1) | F | 49.9 ± 22.9 | 54.9 ± 15.9 | 55.8 ± 12.5 | 69.4 ± 17.9 | |
| CAT | M | 172.6 ± 24.2 | 207.1 ± 37.1 | 172.3 ± 25.1 | 203.0 ± 27.9 | |
| (U·gHb-1) | F | 202.3 ± 23.6 | 214.3 ± 23.3 | 223.2 ± 28.7 | 220.3 ± 28.3 | |
| GR | M | 35.1 ± 4.7 | 36.7 ± 2.6 | 26.1 ± 2.1 | 29.2 ± 7.9 | |
| (U·gHb-1) | F | 38.4 ± 13.1 | 36.6 ± 7.3 | 31.2 ± 5.1 | 34.9 ± 7.9 | |
Note: Abbreviations: SOD, superoxide dismutase; GPx, glutathione peroxidase; CAT, catalase; GR, glutathione reductase; HG, hypoxic group; NG, normoxic group; M, males; F, females. ITU, initial training unit; FTU, final training unit.