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时间:2018-08-01
《中重度哮喘患儿白细胞介素-17与中性粒细胞炎症反应的关系》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、中重度哮喘患儿白细胞介素-17与中性粒细胞炎症反应的关系作者:李静檀卫平吴葆菁蓝丹李文益麦贤弟范玲玲【摘要】【目的】探讨白细胞介素-17(IL-17)在中重度儿童哮喘发病、气道中性粒细胞炎症反应中的作用。【方法】中重度持续哮喘发作期儿童45例,其中中度持续组(20例)与重度持续组(25例);以健康儿童20例为对照组。以酶联免疫吸附法(ELISA)检测两组患儿外周血单个核细胞(PBMC)在CD3和CD28单克隆抗体刺激下分泌的IL-17水平,检测诱导痰中性粒细胞数量;对以上病例进行联合治疗3个月后随访,达到
2、临床缓解的病例20例纳入哮喘缓解组,复查其IL-17水平。比较不同病情间IL-17的表达水平,了解IL-17与儿童哮喘临床病情、气道炎症反应的关系。【结果】哮喘患儿PBMC表达IL-17水平显著高于正常对照组(2685±1081)pg/mL,其中哮喘发作组(5355±813)pg/mL显著高于哮喘缓解组(4504±687)pg/mL(P均<0.05);重度持续组患儿PBMC表达IL-17水平(5830±807)pg/mL显著高于中度持续组(4962±751)pg/mL(P<0.05);急性发作
3、期哮喘患儿IL-17水平(5355±813)pg/mL与诱导痰中性粒细胞比例(Xmin=0,Xmax=98.8,M=44.73)%、血中性粒细胞比例(51.72±13.43)%成正相关(r=0.820、0.736,P<0.001)。【结论】中重度哮喘患儿外周血单个核细胞IL-17表达水平升高,并与哮喘临床病情、气道炎症反应密切相关。11【关键词】哮喘;IL-17;中性粒细胞 Abstract:【Objective】Toinvestigatetheeffectofinterleukin-17(IL-
4、17)onthepathogenesisofmoderatetoseverechildrenasthmaandontheairwayneutrophilinflammationreaction.【Methods】Forty-fivepatients(20patientswithmoderatepersistentasthma,25patientswithseverepersistentasthma),aswellas20normalcontrolsubjects,wereincludedinthisstu
5、dy.ELISAwasusedtomeasureIL-17concentrationinperipheralbloodmononuclearcells(PBMC)from65children.PBMCwerestimulatedbyanti-CD3monoclonalantibody(OKT3)(0.2mg/L)andanti-CD28monoclonalantibody(anti-CD28)(1mg/L).Thesputumspecimenswereassayedforcellulardifferent
6、ialcount.Thentheasthmaticchildrenreceivedcombinedtreatmentfor3months,20caseswererelieved,theirIL-17concentrationinPBMCweremeasuredagain.ThecorrelationbetweentheIL-17levelsandthepercentageofeosinophil,neutrophilintheinducedsputumwasanalyzed.IL-17levelswere
7、comparedbetweenmoderatepersistentgroupandseverepersistentgroup,betweentheacutegroupandtheremissiongroup.TherelationshipbetweenIL-17andthediseaseseverityandairwayinflammation11wasanalyzed.【Results】TheIL-17levelsofasthmaticgroupweresignificantlyhigherthanth
8、atofcontrolgroup(2685±1081)pg/mL,andthelevelofacutegroup(5355±813)pg/mLwerealsosignificantlyhigherthanthatofremissiongroup(4504±687)pg/mL(P<0.05).TheIL-17levelsofseverepersistentgroup(5830±807)pg/mLweresignifican
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