J ALLERGY CLIN IMMUNOL:MeDALL介绍变态反应表型新概念

2017-03-17 MedSci MedSci原创

哮喘、鼻炎和湿疹是由多种基因和环境因素通过IgE和非IgE相关机制介导的复杂疾病。MeDALL(变态反应发生机制,Mechanisms of the Development of ALLergy)通过结合流行病学、临床以及包括体内和体外模型的机制研究,在临床和发生机制水平研究了变态反应疾病的这一复杂联系。

哮喘、鼻炎和湿疹是由多种基因和环境因素通过IgE和非IgE相关机制介导的复杂疾病。MeDALL(变态反应发生机制,Mechanisms of the Development of ALLergy)通过结合流行病学、临床以及包括体内和体外模型的机制研究,在临床和发生机制水平研究了变态反应疾病的这一复杂联系。

MeDALL整合了14项欧洲出生队列研究,包括44010例受试者和160项在妊娠至20岁之间的随访队列研究。13000例儿童在进入青春期后使用新的标准化MeDALL核心问卷进行前瞻性随访。3292例儿童通过一种增加变应原分子对IgE敏感性而开发的基因芯片获取。10000例儿童在以前研究中评估空气污染暴露获得。组学数据包括那些来自历史上全基因组相关研究(23000例儿童)和DNA甲基化(2173),靶向复合生物标志物(1427)和转录组学研究(723)。

采用传统流行病学和机器学习法,在16147例4岁儿童和11080例8岁儿童中,MeDALL显示湿疹、鼻炎和哮喘属于共患疾病并且估计仅有38%的共患疾病是由于IgE敏感所致。

MeDALL提出了一个新的观点即独立于IgE敏感性的共患疾病,并且显示单独致敏和多元致敏代表了2种截然不同的表型。通过单独致敏和多元致敏这一新的变态反应表型特征分型概念,MeDALL的类型转化与变态反应症状发生的频率、持续时间和严重程度相关。

MeDALL结果有助于整合变态反应疾病的个体化、预测、预防以及参与形式。

原始出处:

Josep M. Anto, Jean Bousquet, Mubeccel Akdis, et al. Mechanisms of the Development of Allergy(MeDALL): Introducing novel concepts in allergy phenotypes. J ALLERGY CLIN IMMUNOL.

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    2017-03-19 膀胱癌
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    2017-03-19 tastas
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