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白细胞介素-10和12在哮喘发病机制中的作用 被引量:5

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摘要 目的探讨白细胞介素(IL)-10、12在哮喘发病机制中的作用及两者之间的相关性。方法雄性C57小鼠随机分为对照组、哮喘组,IL-10、IL-12功能性基因敲除组及IL-10、IL-12干预组;除对照组外,每组按采样时间分为不同亚组,每组5只小鼠。小鼠致敏后不同时间段取血液、肺泡灌洗液(BALF)及肺组织,酶联免疫吸附法测定小鼠血清Ig E、NO水平及BALF中TNF-α、IL-10和IL-12含量,HE染色观察炎症细胞浸润情况,BALF细胞沉淀用于细胞总数和EOS分类计数。结果与对照组相比,哮喘组小鼠细胞总数、EOS百分比显著升高,出现明显的气道炎症反应;IL-10、IL-12功能性基因敲除组症状较哮喘组严重;IL-10、IL-12干预组与相同时间段的哮喘组相比,TNF-α、NO、Ig E浓度和白细胞总数,嗜酸性粒细胞百分比明显降低,哮喘保护因子IL-10、IL-12的浓度明显升高,差异有统计学意义(P<0.01)。结论 IL-10和IL-12缺乏可导致哮喘发病程度加重,两者在哮喘发病过程中呈正相关关系,利用IL-10和IL-12干预治疗哮喘可明显减轻其发病程度。
出处 《广东医学》 CAS 北大核心 2015年第12期1838-1841,共4页 Guangdong Medical Journal
基金 河北省自然科学基金资助项目(编号:C2010001788) 河北省唐山市科技计划项目(编号:131302108Z)
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参考文献13

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