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止喘胶囊对哮喘模型大鼠气道壁胶原和平滑肌影响的实验研究 被引量:3

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摘要 目的:探讨止喘胶囊对大鼠哮喘模型气道壁胶原和平滑肌细胞的影响。方法:通过长期反复的给予致敏大鼠吸入不同浓度的卵蛋白,建立大鼠慢性哮喘气道重塑模型。40只大鼠随机分为正常对照组、模型组、中药组、西药组、中西医结合组,分别给药治疗后处死,免疫组化技术检测气道壁MMP-9、TIMP-1、调宁蛋白calponin以及Ⅰ型、Ⅲ型、Ⅴ型胶原蛋白表达,计算机图像分析显微测定气道壁厚度。结果:模型大鼠气道上皮损伤、脱落,嗜酸性粒细胞浸润。治疗后大鼠气道壁厚度、胶原沉积、TIMP-1表达模型组明显高于正常对照组,中药组、西药组、中西医结合组明显低于模型组,其中中西医结合组疗效最佳;治疗各组大鼠调宁蛋白表达明显高于模型组,中西医结合组疗效最佳。结论:止喘胶囊能显著抑制TIMP-1的高表达,减少气道壁厚度和胶原沉积,上调调宁蛋白表达,抑制平滑肌过度收缩与增殖,从而阻抑气道重塑的发生和发展,与地塞米松有协同作用。
出处 《江苏中医药》 CAS 北大核心 2007年第8期71-73,共3页 Jiangsu Journal of Traditional Chinese Medicine
基金 上海市科技发展基金项目(994119010)
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参考文献10

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