Zhen ci yan jiu = Acupuncture research / [Zhongguo yi xue ke xue yuan Yi xue qing bao yan jiu suo bian ji]
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To observe the effect of electroacupuncture (EA) on mechanical hyperalgesia threshold (MHTs) and thermal hyperalgesia threshold (THTs) and content of proteinase-activated receptors 2 (PAR 2) in dorsal root ganglia (DRG) in rats with inflammatory pain, so as to explore its peripheral mechanism underlying improvement of inflammatory pain. ⋯ EA can suppress hyperalgesia priming in inflammatory pain rats which may be related to its effect in down-regulating PAR 2 level in the lumbar DRGs.