在严重喘和与犀牛病毒相关的喘恶化中,胺释放因子
Yu Kawakami1, Ikuo Takazawa1, Merritt L Fajt2
1Laboratory of Allergic Diseases, La Jolla Institute for Immunology, La Jolla, Calif.
The Journal of allergy and clinical immunology
|June 10, 2023
概括
激素释放因子 (HRF) 反应性IgE在严重的喘中升高. 犀牛病毒感染触发了呼吸细胞的HRF释放,这表明HRF从呼吸细胞释放出来.
科学领域:
- 免疫学 免疫学 免疫学
- 过敏和喘研究研究
- 呼吸系统医学 呼吸系统医学
背景情况:
- 胰岛素释放因子 (HRF) 在过敏性疾病中起作用.
- 以前的研究表明,HRF在喘小鼠模型中的病原作用.
研究的目的:
- 研究HRF在喘严重程度和病毒引起的喘恶化中的作用.
- 用人类和小鼠样本分析HRF功能,包括喘患者和感染犀利病毒 (RV) 个体.
主要方法:
- 用ELISA对患者血清中的量化总IgE和HRF反应性IgE/IgG.
- 分析了RV感染的支气管上皮细胞的HRF分泌物和通过西式涂抹的鼻水.
- 从经历喘恶化患者的纵向样本中评估HRF反应性IgE/IgG水平.
主要成果:
- 与健康对照人群相比,严重喘患者的HRF反应性IgE和总IgE水平较高.
- 在RV感染刺激了呼吸道上皮细胞的HRF分泌,在体外和体内.
- 在VR相关的喘恶化期间,HRF反应性IgE升高,感染后消失.
结论:
- 在患有严重喘的患者中,HRF-反应性IgE显着更高.
- 犀牛病毒感染诱导呼吸道上皮细胞的HRF分泌.
- HRF与喘的严重程度和由犀牛病毒引起的喘恶化有关.
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