不同经穴针刺对脑卒中偏瘫痉挛状态大鼠PKA表达影响的研究

被引:0
作者
阿木拉
机构
[1] 黑龙江省中医研究院
关键词
偏瘫痉挛状态; PKA; 大鼠; 针刺;
D O I
暂无
年度学位
2012
学位类型
硕士
导师
摘要
目的:通过观察针刺不同经穴对脑卒中偏瘫痉挛状态大鼠PKA表达的影响,探讨针刺治疗脑卒中偏瘫痉挛状态的生物学机制,揭示针刺不同经穴治疗该病的作用机理,为针刺治疗脑卒中后偏瘫痉挛状态提供理论依据。 方法:采用改良线栓法制备大鼠MCAO模型,再灌注3小时后运用ZeaLonga4分制评分标准进行神经行为学评分;造模成功后第3天开始治疗,连续治疗14天,每日一次;采用神经电生理H反射评价模型和治疗效果;运用逆转录-多聚酶链式反应(RT-PCR)法检测大鼠脑干组织中PKA的表达。 结果:1、右侧H波潜伏期,阳经针刺组较模型组明显延长,和模型组、阴经针刺组、阴阳经针刺组、巴氯芬组、MCPG组比较有统计学意义(P<0.01,P<0.05);右侧H反射恢复曲线显示,阳经针刺组H/M值最高为1.078±0.1283,和模型组、阴经针刺组、阴阳经针刺组、巴氯芬组、MCPG组比较均有统计学意义(P<0.01,P<0.05);2、阳经针刺组显著提高大鼠脑干和脊髓中PKA的表达,和模型组、阴经针刺组、阴阳经针刺组、巴氯芬组、MCPG组比较均有统计学意义(P<0.01,P<0.05)。 结论:1、针刺可明显抑制H反射的亢进和改善H反射恢复曲线,抑制脊髓运动神经元兴奋性,缓解大鼠偏瘫痉挛状态;2、针刺治疗提高脑卒中偏瘫痉挛状态大鼠脑干组织中PKA的表达,三组针刺组相比较,阳经针刺组疗效显著,其次为阴阳经组,再次为阴经针刺组;3、揭示针刺脑卒中偏瘫痉挛状态大鼠的生物学机制,表明针刺对脑卒中偏瘫痉挛状态具有缓解作用,为临床针刺治疗该病提供实验依据。
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页数:69
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