Table 2.

Effects of diazinon on testicle antioxidants and pro-oxidant (lipid peroxidation) level

Groups	1 week	2 weeks	8 weeks*
Reduced glutathione (μmol/g tissue)
Control	6.52 ± 0.02	6.49 ± 0.16	6.31 ± 0.08
10 mg/kg	6.00 ± 0.20	6.15 ± 0.06	5.08 ± 0.06**
15 mg/kg	5.80 ± 0.09**	5.75 ± 0.13**	5.37 ± 0.07**
30 mg/kg	5.71 ± 0.02**	5.62 ± 0.18**	4.18 ± 0.09**
Catalase (μmol H2O2 consumed/min/mg protein)
Control	0.21 ± 0.03	0.23 ± 0.03	0.57 ± 0.27
10 mg/kg	0.16 ± 0.02	0.21 ± 0.03	0.56 ± 0.03
15 mg/kg	0.13 ± 0.02	0.19 ± 0.03	0.48 ± 0.36
30 mg/kg	0.12 ± 0.03	0.17 ± 0.02	0.38 ± 0.03**
Lipid peroxidation (nmol MDA formed/g tissue)
Control	2.37 ± 0.19	2.17 ± 0.16	2.03 ± 0.04
10 mg/kg	2.88 ± 0.11	3.49 ± 0.16**	4.17 ± 0.08**
15 mg/kg	2.57 ± 0.16	4.12 ± 0.19**	4.83 ± 0.13**
30 mg/kg	3.15 ± 0.21	5.02 ± 0.19**	6.14 ± 0.04**

Results are expressed as mean ± SEM (n = 6).

* Significant (P < 0.05) increase or decrease of DZN time-dependent toxicity effect when compared to the one week exposure group.

** Significant (P < 0.05) increase or decrease of DZN dose-dependent toxicity effect when compared to the control.