Effects of NaHS treatment on immunohistochemical parameters in rats with CP toxicity. A: caspase-3; B: Apaf-1. Data are given as mean ± SEM. *Different from control; *P < 0.05; ***P < 0.001; xDifferent from CP; xx
P < 0.01; xxx
P < 0.001; &Different from NaHS25; &&
P < 0.01; &&&
P < 0.001 ANOVA (n = 8). ANOVA, analysis of variance; C, control; CP, cyclophosphamide; NaHS, sodium hydrosulfide; SEM, standard error of mean.