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Responses of Airway Epithelium to Environmental Injury: Role in the Induction Phase of Childhood Asthma

机译:气道上皮对环境损伤的反应:在儿童哮喘诱导期中的作用

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The pathogenesis of allergic asthma in childhood remains poorly understood. Environmental factors which appear to contribute to allergic sensitisation, with development of a Th2-biased immunological response in genetically predisposed individuals, include wheezing lower respiratory viral infections in early life and exposure to airborne environmental pollutants. These may activate pattern recognition receptors and/or cause oxidant injury to airway epithelial cells (AECs). In turn, this may promote Th2 polarisation via a “final common pathway” involving interaction between AEC, dendritic cells, and CD4.
机译:儿童过敏性哮喘的发病机理仍知之甚少。在遗传易感人群中,Th2偏向于免疫反应的发展似乎有助于过敏性致敏的环境因素包括在生命早期喘息下呼吸道病毒感染和暴露于空气传播的环境污染物。这些可能会激活模式识别受体和/或对气道上皮细胞(AEC)造成氧化剂损伤。反过来,这可能会通过涉及AEC,树突状细胞和CD4之间相互作用的“最终共同途径”促进Th2极化。

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