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基质金属蛋白酶在哮喘大鼠气道重构中的作用及止喘汤的干预 被引量:2

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摘要 目的:探讨哮喘大鼠模型中基质金属蛋白酶(MMPs)与气道重构的关系及止喘汤对气道重构的影响。方法:将40只SD大鼠随机分为正常组、哮喘组、布地奈德(BUD)组及止喘汤组各10只。采用卵清白蛋白(OVA)致敏加激发法复制大鼠哮喘模型,苏木精-伊红染色测气道形态学参数,免疫组化和免疫蛋白印迹检测肺组织中MMP-9及TIMP-1的含量。结果:哮喘组较正常组大鼠气道壁明显增厚,MMP-9、TIMP-1表达增多(P<0.01);中药和BUD干预后大鼠气道壁明显变薄,MMP-9、TIMP-1表达减少,与哮喘组比较,差异均有非常显著性意义(P<0.01);且大鼠气道壁的厚度与MMP-9/TIMP-1间有相关关系。结论:少量多次变应原吸入可导致气道重构,基质金属蛋白酶在气道重构中发挥作用,止喘汤干预可缓解气道重构的发生。
出处 《新中医》 CAS 北大核心 2010年第11期107-109,共3页 New Chinese Medicine
基金 辽宁省教育厅资助项目(编号:2008420)
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共引文献34

同被引文献35

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