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内源性脑啡肽与加巴喷丁的脑皮层镇痛机制无关

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摘要 本研究为探讨加巴喷丁的脑皮层镇痛机制是否与内源性脑啡肽相关.90只小鼠随机分为对照组(C)、假手术组(S)和模型组(M),各组再按不同给药分为生理盐水(P)和加巴喷丁(G)两个亚组(最终分为C+P,C+G,S+P,S+G,M+P,M+G6组).部分坐骨神经结扎2周后开始腹腔给药,给药4周后留取大脑皮层.通过手术侧足机械痛阈和热痛敏的改变来确认神经病理性疼痛模型成功及观察加巴喷丁的疗效.选择S+P,M+P和M+G3组做前脑啡肽原(ppENK)基因表达差异检测,并用Real-TimePCR验证,同时ELISA法测定脑皮层组织脑啡肽含量.M+P与S+P相比较、M+G和M+P相比较,均未见ppENK基因表达有显著性差异;S+P,S+G,M+P和M+G组间脑皮层组织中脑啡肽含量也无显著性差异.研究表明,内源性脑啡肽可能与加巴喷丁的脑皮层镇痛机制无关.
出处 《中国科学(C辑)》 CSCD 北大核心 2009年第10期986-990,共5页 Science in China(Series C)
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