Electroacupuncture Alleviates Hyperalgesia by Regulating CB1 Receptor of Spinal Cord in Incisional Neck Pain Rats

Figure 3

Effect of EA on the expression of endocannabinoid receptor CB1 mRNA at 4 (a), 24 (b), and 48 h (c) after modeling in the dorsal portion of the cervical spinal cord in neck incisional pain rats. The expression levels of CB1 mRNA were evidently decreased at 24 h and remarkably increased at 48 h after modeling (vs the control group), and considerably upregulated at 4h in the EALI18 group, at 24 and 48 h in both EALI18 and EALI4-PC6 groups, rather than in the EAST36-GB34 group (vs the model group). Data are expressed as means ± SD (n = 8).  < 0.05, vs the control group, ^{^} < 0.05, vs the model group.

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