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儿童重症哮喘不同时期诱导痰细胞学分析及其与IL-8的相关性研究 被引量:5

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摘要 目的探讨气道IL-8及气道中性粒细胞及嗜酸性粒细胞在儿童重症哮喘发病中的作用。方法应用实验研究策略,自2009年12月至2010年12月,连续在内蒙古医学院附属医院及内蒙古自治区医院儿科病房和门诊选择≥5岁儿童为研究对象,其中哮喘急性发作期组20例,临床缓解期组20例,正常对照组20例。进行肺功能检测,采用诱导痰检查法对痰炎性细胞进行分类计数算百分比,采用酶联免疫吸附法测痰IL-8浓度。结果 (1)哮喘急性发作期组诱导痰中性粒细胞及嗜酸性粒细胞含量为(59.85±4.76)%、(6.55±0.90)%,均明显高于临床缓解期组的(42.80±4.70)%、(2.94±0.56)%,及正常对照组为(36.53±2.46)%、(1.41±0.35)%(P<0.05)。(2)临床缓解期组诱导痰中性粒细胞及嗜酸性粒细胞含量也明显高于正常对照组。(3)急性发作期及临床缓解期痰上清液IL-8水平(296.14±39.63)ng/L,(191.87±22.27)ng/L,与中性粒细胞呈正相关(r=0.724,0.890,P<0.01),而与嗜酸性粒细胞无明显相关性(r=-0.266,0.119,P>0.05)。结论气道中IL-8趋化中性粒细胞聚集于气道,并与嗜酸性粒细胞共同参与重症哮喘的发作,哮喘缓解期气道炎症仍然存在。
出处 《内蒙古医学杂志》 2016年第4期475-477,共3页 Inner Mongolia Medical Journal
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参考文献11

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