Fig. 7. Confirmation of the expression of CytC, caspase-9, caspase-3 and caspase-6 in CG, HG1 and LG by western blotting. A. The content of Cyt C and caspase-9 in the CG and HG1. B. The gray value of Cyt C and caspase-9 in the CG and HG1. C. The content of caspase-3 and caspase-6 in the CG and HG1. D. The content of Cyt C and caspase-9 in the CG and LG (the rats were administered 150 mg kg^–1 d^–1 of emodin for 4 weeks).* for P value <0.05.