Figure 5.
TRPV1 agonist 6′-IRTX blocked the antiallodynic effect of 2 Hz EA. 6′-IRTX was intraperitoneally injected 10 min before 2 Hz EA treatment on day 15. Data are presented as mean ± SEM, n = 8 per group. *P < 0.05, ***P < 0.001, SNL + EA + 0.001 mg/kg 6′-IRTX group or SNL + EA + 0.01 mg/kg 6′-IRTX group versus SNL + EA + vehicle group; # P < 0.05, SNL + EA + 0.01 mg/kg 6′-IRTX group versus SNL + EA + 0.001 mg/kg 6′-IRTX group.