Research Article

Comparative Protective Effects of N-Acetylcysteine, N-Acetyl Methionine, and N-Acetyl Glucosamine against Paracetamol and Phenacetin Therapeutic Doses–Induced Hepatotoxicity in Rats

Table 2

Mean ± SD of liver homogenate levels of oxidants (MDA and NO), antioxidants (GSH and total thiols), and AFP among the studied groups.

Animal groupsNMDA (nmol/mg tissue protein)NO (nmol/mg tissue protein)GSH (nmol/mg tissue protein)Total thiols (nmol/mg tissue protein)AFP (nmol/mg tissue protein)

Controls1055.78 ± 16.08549.0 ± 101.1493.9 ± 98.852062 ± 667.5312.2 ± 38.44

Paracetamol groups

PA 1076.20 ± 10.5621.7 ± 51.8354.0 ± 61.61299 ± 173.375.9 ± 33.6

PA+NAC1063.56 ± 9.8566.0 ± 94.1494.4 ± 94.31542 ± 376.282.9 ± 26.3

PA+NAM1054.13 ± 13.520.0 ± 124.449.3 ± 111.1640 ± 465.258.1 ± 65.4

PA+NAG1055.50 ± 14.4449.4 ± 68.6508.8 ± 87.1536 ± 369.223.9 ± 65.4

Phenacetin groups

PH1080.25 ± 10.776.5 ± 154.331.3 ± 60.81215 ± 209.433.2 ± 20.0

PH+NAC1058.11 ± 20.1630.1 ± 154.531.3 ± 179.1401 ± 167.300.1 ± 66.7

PH+NAM1066.33 ± 21.1581.5 ± 161.450.0 ± 101.1615 ± 361.277.4 ± 75.5

PH+NAG1053.63 ± 14.9495.4 ± 111.507.5 ± 77.91504 ± 428.234.7 ± 55.3

p<0.05, p<0.01, p<0.001; ns: nonsignificant (p>0.05); a: comparison with control group, b: comparison with the drug only (PA or PH) group. PA: paracetamol; PH: phenacetin; NAC: N-acetyl cysteine; NAM: N-acetyl methionine; NAG: N-acetyl glucosamine; MDA: malondialdehyde; NO: nitric oxide; GSH: reduced glutathione; AFP: alpha fetoprotein.