Detection of striatal DA (A), 5-HT (B), and β-EP (C) and serum IL-1 (D) and IL-2 (E) concentrations. *P<0.05 vs. control group; **P<0.01 vs. control group; ***P<0.001 vs. control group; ****P<0.0001 vs. control group; #P<0.05 vs. model group; ##P<0.01 vs. model group.