Research Article
Oxidative Modification of Proteins in Pediatric Cystic Fibrosis with Bacterial Infections
Table 2
Clinical characteristics and oxidative stress markers of the patients studied.
| Parameter | Healthy subjects | Pseudomonas aeruginosa | Staphylococcus aureus |
| Relative fluorimetric results | | | | AGE (a.u./mg protein) | (2.57–3.81) | (3.34–5.89) | (3.5–5.28) | Dityrosine (a.u./mg protein) | (2.29–3.38) | (2.88–5.22) | (3.09–5.28) | Formylkynurenine (a.u./mg protein) | (2.49–3.83) | (3.21–5.87) | (3.50–5.47) | Kynurenine (a.u./mg protein) | (3.55–4.51) | (3.36–5.8) | (3.24–5.91) | Tryptophan (a.u./mg protein) | (544.2–658.27) | (371.66–497.16) | (385.38–516.86) | Modification of proteins | | | | Carbonyl protein (nmol/mg protein) | (0.76–1.15) | (0.96–2.93) | (1.28–2.33) | Thiol groups (nmol/mg protein) | (18.6–20.49) | (12.6–19.05) | (11.19–19.83) | AOPP (nmol/mg protein) | (141.09–183.32) | (137.18–318.19) | (139.71–293.77) | Amadori products (nmol/mg protein) | (1416.4–1675.38) | (1234.74–2878.33) | (1351.38–1762.19) | Activity of erythrocyte enzymes | | | | Glutathione S-transferase (U/g Hb) | (0.55–0.94) | (1.43–3.99) | (1.49–3.91) | Catalase (U/mg Hb) | (0.29–0.39) | (0.19–0.37) | (0.22–0.33) | Superoxide dismutase (U/g Hb) | (1056.4–1296.93) | (690.8–1671.34) | (859.38–1387.81) | Total antioxidant capacity (nmol/mg protein) | (14.22–18.44) | (18–30.67) | (17.84–21.77) | Level of nitric oxide eNO (ppb) | (5.3–22.4) | (6.4–20.6) | (5.6–16.8) |
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Data are shown as means ± SD (range). .
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