Effect of MAG on serum AST, ALT, TBIL, DBIL, IBIL, and TBA activities in control, RIF + INH, MAG low-dose, and MAG high-dose groups. RIF + INH group: co-administered with RIF (60 mg/kg) and INH (60 mg/kg). MAG low-dose group: co-administered with MAG at 45 mg/kg and RIF/INH at 60/60 mg/kg. MAG high-dose group: co-administered with MAG at 90 mg/kg and RIF/INH at 60/60 mg/kg. Data are shown as mean ± SD. Each group at each time point contained at least five rats. Δp < 0.05 versus the control group; ΔΔp < 0.01 versus the control group; *p < 0.05 versus the RIF + INH group; **p < 0.01 versus the RIF + INH group.