Table 1. Effect of vitamin A on the activities of some serum Enzymes and bilirubin in male and female rats exposed to gasoline vapours.
| GROUP | ALT (U/L) | AST (U/L) | GGT (U/L) | ALP (U/L) | BILIRUBIN (µmol/L) |
|---|---|---|---|---|---|
| I (Mc) | 8.85 ± 2.0 | 19.82 ± 1.70 | 26.30 ± 3.44 | 263.15 ± 12.84 | 2.05 ± 0.4 |
| II (Mt) | 23.85 ± 1.01* | 38.34 ± 1.95* | 84.81 ± 9.95* | 390.79 ± 14.33* | 4.99 ± 0.28* |
| III (Mvit A) | 10.39 ± 1.22+ ∧ | 22.72 ± 2.50+ ∧ | 28.33 ± 5.51+ ∧ | 269.41 ± 8.71+ ∧ | 2.08 ± 0.28+ ∧ |
| IV (Fc) | 8.35 ± 1.64 | 17.63 ± 2.06 | 17.97 ± 1.49 | 250.24 ± 8.73 | 2.17 ± 0.40 |
| V (Ft) | 24.31 ± 0.77** | 36.38 ± 1.95** | 62.96 ± 6.59** | 374.65 ± 18.01** | 5.50 ± 0.61** |
| VI (Fvit A) | 9.85 ± 1.58++ # | 19.37 ± 0.54++ # | 20.59 ± 6.14++ # | 253.61 ± 9.53++ # | 2.20 ± 0.42++ # |
Values are presented as mean ± SEM, n = 8, *P < 0.05 compared with group I (control); +P < 0.05 compared with group II; ∧P > 0.05 compared with group I; **P < 0.05 compared with group IV (control). ++P < 0.05 compared with group V; #P > 0.05 compared with group IV. Mc = male control; Mt = male test, exposed to gasoline vapors only; MvitA = male test treated with vitamin A; Fc = female control; Ft = female test, exposed to gasoline vapors only; FvitA = female test treated with vitamin A.