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. 2017 Mar 20;8:136. doi: 10.3389/fphar.2017.00136

FIGURE 4.

FIGURE 4

Effects of CB receptor and GPR55 antagonists on the antihyperalgesic effects of AEA and 2-AG in female BALB/c mice with ddC-induced thermal hyperalgesia at day 6 post-injection of ddC. Effects of (A) a CB1 receptor antagonist AM 251 and a CB2 receptor antagonist AM 630 on the antihyperalgesic effects of AEA, (B) a CB1 receptor antagonist AM 251 and a CB2 receptor antagonist AM 630 on the antihyperalgesic effects of 2-AG, and (C) GPR55 antagonists CID 16020046 and ML193 on the antihyperalgesic effects of 2-AG in BALB/c mice with ddC-induced thermal hyperalgesia 30 min after administration in the hot plate test. Each bar represents the mean ± SEM of values obtained from 8 to 16 animals.∗∗p < 0.01 compared to drug vehicle at the same time point after treatment and ##p < 0.01 to mice treated with AEA or 2-AG at the same time point after treatment (one-way ANOVA followed by Bonferroni’s Multiple Comparison Test).