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丹芍化纤胶囊对肺纤维化大鼠肺组织中calpain2,NF-κB及p38MAPK表达的影响 被引量:6

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摘要 目的观察博莱霉素致大鼠肺纤维化中calpain2、NF-κB p50蛋白及p38MAPK表达的变化及中药丹芍化纤胶囊对其表达的影响。方法选取SD大鼠30只,随机分为正常对照组(正常组)、肺纤维化模型组(模型组)和丹芍化纤胶囊治疗组(丹芍组),每组各10只。正常对照组气管内滴注生理盐水,模型组和丹芍组气管内一次性灌注博莱霉素5 mg/kg诱导肺纤维化,丹芍组于造模第2天给予丹芍化纤胶囊混悬液灌胃(0.8 g.kg-1.d-1)治疗,正常组及模型组则给予等量生理盐水灌胃。实验第28天称大鼠体重,处死各组大鼠,称肺湿重并收集肺组织,行HE和Masson染色观察肺组织病理变化;采用免疫组织化学的方法检测肺组织中calpain2、NF-κB p50蛋白及p38MAPK蛋白的表达情况;运用荧光实时定量PCR(real-time PCR)检测肺组织中calpain2及p38MAPK mRNA的表达变化。结果①与正常组比较,模型组大鼠肺组织中calpain2,NF-κB p50和p38MAPK蛋白表达明显升高,且calpain2及p38MAPK mRNA的表达也显著增加。②与模型组相比,丹芍组大鼠肺组织中calpain2,NF-κBp50,p38MAPK蛋白表达及calpain2,p38MAPK mRNA的表达均显著减少,但未恢复正常水平。结论丹芍化纤胶囊早期应用可在一定程度上减轻博莱霉素诱导的肺泡炎症反应及肺纤维化进展,对肺纤维化具有一定的治疗作用。丹芍化纤胶囊对肺纤维化的干预机制可能与其抑制肺组织中calpain2,NF-κBp50和p38MAPK的表达有关。
机构地区 贵阳医学院
出处 《时珍国医国药》 CAS CSCD 北大核心 2011年第2期381-383,共3页 Lishizhen Medicine and Materia Medica Research
基金 贵州省科技攻关项目(No.SZ【2008】3049)
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共引文献21

同被引文献80

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