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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Pain. 2014 Jun 2;15(8):856–866. doi: 10.1016/j.jpain.2014.05.003

Figure 5.

Figure 5

Chromatin immunoprecipitation (ChIP) analysis of CXCL1 in skin tissue at day 1 after incision. Histone acetylation near the CXCL1 promoter in skin significantly increased at day 1 after incision in mice treated with morphine compared with mice treated with vehicle. Values are displayed as the mean ± SEM, n = 4, # p<0.05 vs. day 0 (before incision); ** p<0.01 vs. vehicle treated group. Veh=vehicle; Mor=morphine; INC= incision.