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慢性阻塞性肺疾病患者诱导痰中白细胞介素-18与气道炎症及气流受限的关系 被引量:1

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摘要 目的探讨慢性阻塞性肺疾病(COPD)患者诱导痰中白细胞介素-18(IL-18)的水平及其于炎性细胞数、肺功能的关系。方法分别选择46例COPD患者和17例健康对照组进行肺功能测定和诱导痰检查方法对痰炎性细胞进行分类计数,并用酶联免疫吸附试验法测定诱导痰上清液中IL-18、基质金属蛋白酶-9(MMP-9)和基质金属蛋白酶抑制剂-1(TIMP-1)浓度。结果 COPD急性加重期组诱导痰IL-18的水平与中性粒细胞数及巨噬细胞数呈正相关(r值分别为0.56、0.72,均P<0.05);与FEV1占预计值%、FEV1/FVC呈负相关(r值分别为-0.57、-0.61,均P<0.01);与MMP-9浓度呈正相关(r=0.67,P<0.01)。COPD急性加重期组诱导痰MMP-9水平与中性粒细胞数呈正相关(r=0.68,P<0.05)。COPD急性加重期组诱导痰MMP-9浓度与FEV1占预计值%呈负相关(r=-0.64,P<0.01)。COPD急性加重期组诱导痰中MMP-9/TIMP-1比值与与FEV1占预计值(呈正相关(r=0.61,P<0.01)。结论 COPD患者诱导痰中IL-18的水平与气道炎症和气流受限有关。
出处 《社区医学杂志》 2010年第15期4-6,共3页 Journal Of Community Medicine
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