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. 2020年4月23日,55(4):1901340。
DOI:10.1183 / 13993003.01340-2019。 打印2020年4月。

对肺铁水平和调节在发病机制中的关键作用和哮喘的严重程度

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对肺铁水平和调节在发病机制中的关键作用和哮喘的严重程度

MD Khadem Ali. 欧元和J. .

抽象的

累积证据突出了铁调控与呼吸系统疾病之间的联系。在这里,我们评估了临床和实验性哮喘中的铁水平与调节反应之间的关系。我们表明,严重或轻度中度哮喘患者的支气管肺泡灌洗(BAL)上清液中,无细胞的铁水平降低,与较低的强制呼气相关1 s中的卷(FEV1.)相反,这些患者的BAL中的载铁细胞数量增加,FEV降低1./强迫肺活量(FVC)比率。铁隔离分子二价金属转运体1的气道组织表达(DMT1)转铁蛋白受体1(TFR1)在哮喘中增加,有TFR1表达与肺功能降低和气道中2型(T2)炎症反应增加相关。此外,在室内尘螨(HDM)诱导的实验性哮喘模型中,肺铁水平升高,并与增强的肺功能相关Tfr1在气道组织中表达,类似于人类疾病。我们发现巨噬细胞是Tfr1和Tfr1增加的主要来源+巨噬细胞增加了Il13我们还发现,铁水平的增加会导致人气道平滑肌(ASM)细胞和成纤维细胞的促炎细胞因子和/或细胞外基质(ECM)反应增加离体并归纳哮喘的主要特征体内,包括气道高反应性(AHR)和纤维化,以及T2炎症反应。这些补充的临床和实验数据突出了肺铁水平改变和调节在哮喘中的重要性,需要更加关注铁在疾病发病机制和严重程度中的作用和潜在治疗靶点。

利益冲突陈述书

利益冲突:M.K.阿里没有什么可以披露的。利益冲突:R.Y.金没有什么可以披露的。利益冲突:A.c。布朗无需披露。利益冲突:J.R. Mayall无意义。利益冲突:R. Karim没有什么可披露的。利益冲突:J.W.Pinkerton没有什么可披露的。利益冲突:G.刘没有什么可披露的。 Conflict of interest: K.L. Martin has nothing to disclose. Conflict of interest: M.R. Starkey has nothing to disclose. Conflict of interest: A.L. Pillar has nothing to disclose. Conflict of interest: C. Donovan has nothing to disclose. Conflict of interest: P.S. Pathinayake has nothing to disclose. Conflict of interest: O.R. Carroll has nothing to disclose. Conflict of interest: D. Trinder has nothing to disclose. Conflict of interest: H.L. Tay has nothing to disclose. Conflict of interest: Y.E. Badi has nothing to disclose. Conflict of interest: N.Z. Kermani has nothing to disclose. Conflict of interest: Y-K. Guo has nothing to disclose. Conflict of interest: R. Aryal has nothing to disclose. Conflict of interest: S. Mumby has nothing to disclose. Conflict of interest: S. Pavlidis has nothing to disclose. Conflict of interest: I.M. Adcock reports grants from EU-IMI, during the conduct of the study. Conflict of interest: J. Weaver has nothing to disclose. Conflict of interest: D. Xenaki has nothing to disclose. Conflict of interest: B.G. Oliver has nothing to disclose. Conflict of interest: E.G. Holliday has nothing to disclose. Conflict of interest: P.S. Foster has nothing to disclose. Conflict of interest: P.A. Wark has nothing to disclose. Conflict of interest: D.M. Johnstone has nothing to disclose. Conflict of interest: E.A. Milward has nothing to disclose. Conflict of interest: P.M. Hansbro has nothing to disclose. Conflict of interest: J.C. Horvat has nothing to disclose.

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