特发性肺纤维化患者辅助性T细胞1/辅助性T细胞2的研究

被引:8
作者
彭守春
胡旭
魏路清
李振华
机构
[1] 武警医学院附属医院呼吸科
[2] 中国医科大学附属第一医院呼吸疾病研究所
关键词
特发性肺纤维; T淋巴细胞; 辅助诱导; 干扰素γ; 白细胞介素-4;
D O I
暂无
中图分类号
R563 [肺疾病];
学科分类号
1002 ; 100201 ;
摘要
目的对特发性肺纤维化(IPF)患者辅助性T细胞1(Th1)/辅助性T细胞2(Th2)进行研究,探讨Th1/Th2能否反映疾病的严重性,能否预测疾病的进展。方法入选83例IPF患者,应用酶联免疫吸附测定法检测所有受试者血清、支气管肺泡灌洗液(BALF)中γ干扰素(IFNγ)、白细胞介素-4(IL-4)水平,并进行相关性分析。结果 (1)基线资料:IPF患者血清、BALF中IFNγ/IL-4比值(0.8±0.3;0.8±0.3)较对照组(1.4±0.2;1.4±0.2)显著降低;血清、BALF中IFNγ/IL-4比值与病程、呼吸困难评分、第1秒用力呼气容积(FEV1)占预计值百分比、用力肺活量(FVC)占预计值百分比、肺总量(TLC)占预计值百分比、最大去氧饱和度、6分钟步行距离(6MWD)、CT间质纤维化评分显著相关(血清:r值分别为-0.426、-0.623、0.487、0.455、0.517、-0.491、0.263、-0.569,P值均<0.05;BALF:r值分别为-0.434、-0.637、0.480、0.456、0.501、-0.507、0.253、-0.605,P值均<0.05);血清中IFNγ/IL-4比值与CT磨玻璃影评分呈正相关(r=0.340,P<0.01)。(2)随访:IPF患者血清中IFNγ、IL-4、IFNγ/IL-4在糖皮质激素治疗者与非糖皮质激素治疗者间差异无统计学意义。随访6个月后的呼吸困难评分、FEV1占预计值百分比、TLC占预计值百分比、CT磨玻璃影评分、CT间质纤维化评分、IFNγ和IL-4较基线值显著恶化。血清中IFNγ/IL-4比值变化与呼吸困难评分、FVC占预计值百分比、TLC占预计值百分比、肺一氧化碳弥散量占预计值百分比、6MWD、CT间质纤维化评分的变化显著相关(r值分别为-0.297、0.462、0.315、0.353、0.420、-0.307,P值均<0.05)。结论 IPF患者血清和BALF中Th1/Th2存在失衡,Th1/Th2可能反映IPF的严重性,随访时血清中Th1/Th2的变化可能会预测IPF的疾病进展。
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