Skip to main content
. 2001 Sep 1;21(17):6933–6939. doi: 10.1523/JNEUROSCI.21-17-06933.2001

Fig. 4.

Fig. 4.

Epinephrine-induced mechanical hyperalgesia is mediated by a Gi/o-protein and Ras. The mean ± SE baseline threshold before drug administration was 108.0 ± 0.5 gm (n = 162). A, Rats were treated intradermally with epinephrine (Epi; 100 ng;n = 12), pertussis toxin (PTX; 1 μg; n = 6), or pertussis toxin plus epinephrine (PTX/Epi; n = 8). B, Rats were treated intradermally with epinephrine (Epi; 100 ng; n = 12), perillic acid (PER; 1 μg; n = 6), or perillic acid plus epinephrine (PER/Epi; n = 8). C, Rats were treated intradermally with epinephrine (Epi; 100 ng; n = 12), farnesyltransferase inhibitor I (FT; 1 μg; n = 6), or farnesyltransferase inhibitor I plus epinephrine (FT/Epi; n = 8). *p < 0.05 by one-way ANOVA and Newman–Keuls test.