Fig. 2

Comparison of rNAA, rGln, rGlu, rTau and rMl in PAG, LTNC and RTNC (n = 29); * denotes P < 0.05, ** denotes P < 0.01; The rNAA, rGln of RTNC in the control group were lower than the model group, while the rGlu, rTau of RTNC had no significant difference between groups