呼吸道过敏反应与喘中的呼吸道TSLP相关,独立于eosinophilic炎症
Louise Munkholm Andreasson1, Nanna Dyhre-Petersen1, Morten Hvidtfeldt1
1Department of Respiratory Medicine and Infectious Diseases, University Hospital Bispebjerg, Copenhagen, Denmark.
The Journal of allergy and clinical immunology
|December 11, 2023
概括
唾液中的甲状腺 stromal 淋巴蛋白 (TSLP) 与喘中的呼吸道过敏反应 (AHR) 有关,独立于2型炎症. 这表明TSLP在超越eosinophilic通路的AHR中发挥作用.
科学领域:
- 呼吸系统医学 呼吸系统医学
- 免疫学 免疫学 免疫学
- 过敏 过敏是一种过敏.
背景情况:
- 胸膜 stromal lymphopoietin (TSLP) 驱动了喘中的2型炎症,导致呼吸道炎症,高反应率 (AHR) 和恶化.
- TSLP可能直接影响呼吸道光滑肌肉和乳腺细胞,诱导AHR独立于2型炎症,尽管其与喘表型之间的AHR的关联尚未得到充分确立.
研究的目的:
- 调查呼吸道过敏反应 (AHR) 和胸膜支流性淋巴蛋白 (TSLP) 水平之间的关联.
- 分析TSLP水平在血清,唾液和支气管支气管洗液在喘患者和没有2型炎症.
主要方法:
- 采用了一种新的超敏感性测定方法来量化喘患者的TSLP水平 (n=182血清,n=81,n=85BAL) 和健康对照 (n=47血清).
- 评估了气道和全身TSLP与AHR测量,2型炎症标志物和疾病严重程度的分布和相关性.
主要成果:
- 唾液中的TSLP显示出与AHR的关联,独立于乙素和微分呼出的氧化 (FeNO) 水平 (ρ=0.49,P=.005).
- 血清TSLP在与对照组相比,高乙酸和低乙酸喘患者的血清TSLP均升高,但与AHR无关.
- 较高的血清TSLP水平与年龄,男性性别和血液中乙氨基酸细胞数量的增加有关,但不是肺功能,吸入的皮质类固醇剂量或症状得分.
结论:
- 唾液TSLP和AHR与曼尼托尔之间的相关性,无论2型炎症标志物如何,都支持TSLP在AHR中的作用.
- 这些发现表明,TSLP通过部分独立于eosinophilic炎症的机制,有助于气道过敏反应.
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