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Role of interleukin-9 in the pathogenesis of chronic obstructive pulmonary disease
Author(s): 
Pages: 403-406
Year: Issue:  4
Journal: JOURNAL OF PEKING UNIVERSITY(HEALTH SCIENCES)

Keyword:  白细胞介素9肺疾病阻塞性气管炎;
Abstract: 目的:探讨白细胞介素-9(IL-9)在慢性阻塞性肺病(chronic obstructive pulmonary disease,COPD)气道炎症中的作用.方法:分别对30例COPD稳定期患者(A组)、31例哮喘缓解期患者(B组)、15例正常对照者(C组)进行诱导痰检查,用夹心酶联免疫吸附法测定诱导痰上清液IL-9、IL-5、IL-8浓度;采用免疫组织化学SP法染色及图象分析技术测定IL-9阳性细胞百分数及含量.结果:A、B组IL-9浓度与C组差异有显著性.IL-9阳性细胞主要分布在巨噬细胞的胞浆内,A、B组IL-9阳性细胞百分数与C组差异有显著性(x2=20.821、19.908,P均<0.001).A组中性粒细胞百分数、IL-8水平明显高于B、C组;A组IL-9与巨噬细胞呈正相关(r=0.407,P=0.039).结论:IL-9在COPD患者较正常人明显增高,且与气道内的巨噬细胞、IL-8水平有关,可做为COPD气道炎症的又一检测指标.
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