基细胞的多活性解释了AERD中酒精过敏的原因
Spencer C Payne1,2, William Eschenbacher2, Ryan Stepp1
1Department of Otolaryngology-Head & Neck Surgery, University of Virginia School of Medicine, Charlottesville, Virginia, USA.
The Laryngoscope
|October 9, 2025
概括
酒精饮料中的多,而不是乙醇本身,激活免疫细胞. 这一发现可能解释了阿司匹林恶化呼吸系统疾病和慢性鼻炎患者的酒精过敏.
科学领域:
- 免疫学 免疫学 免疫学
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
- 药理学 药理学是指药理学的学科.
背景情况:
- 酒精过敏症 (AH) 是饮酒后呼吸道症状的常见恶化,在阿司匹林加重呼吸道疾病 (AERD) 和慢性鼻炎 (CRS) 患者中经常观察到.
- 在这些患者群体中驱动AH的潜在免疫机制在很大程度上仍未被阐明.
- 这项研究旨在调查酒精饮料中存在的多化合物在激活先天性免疫细胞中的作用,这可能解释了AERD中的AH.
研究的目的:
- 在患有慢性鼻炎 (CRS) 和阿司匹林加重呼吸道疾病 (AERD) 的患者中研究酒精过敏 (AH) 的机制.
- 确定酒精饮料中的多化合物是否激活先天免疫细胞,从而导致AH.
- 为了区分乙醇与多醇对免疫细胞激活的影响.
主要方法:
- 收集了478名患有CRS的成年人的数据,评估AH和表型.
- 分析了来自个人子集的全血样本,使用基激活测试 (BAT) 与流细胞计量来量化颗粒细胞激活 (CD63上调).
- 在暴露于乙醇,红葡萄酒提取物 (RWE) 和特定多化合物后,通过酶免疫试验 (EIA) 测量脂质代谢物分泌.
主要成果:
- 红葡萄酒提取物 (RWE) 和表甲基因在患有CRS与鼻息肉 (CRSwNP) (p <0.05) 的患者中表现出剂量依赖的基脱粒激活作用.
- 乙醇在健康对照组或受试者中没有诱导免疫细胞激活.
- 与对照组相比,catechin对基基粒脱粒产生了几乎显著的剂量依赖作用 (p = 0.07).
结论:
- 聚化合物,而不是乙醇,可以激活和诱导乙素和基素的脱粒化.
- 这种由多醇激活免疫细胞可能会阐明在被诊断为AERD和CRSwNP的患者中观察到对酒精饮料的敏感性.
- 这些发现突显出酒精饮料中的特定成分是触发敏感个体过敏反应的触发因素.
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