简单疹脑炎的神经并发症:临床,免疫学和遗传学研究
Thaís Armangué1,2, Gemma Olivé-Cirera1,3, Eugenia Martínez-Hernandez1,4
1Neuroimmunology Program, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hospital Clínic, Universitat de Barcelona, 08036 Barcelona, Spain.
Brain : a journal of neurology
|July 15, 2023
概括
简单疹病毒脑炎 (HSE) 可以导致自身抗体相关脑炎 (AE). 在HSE后21天血液干扰素 (IFN) 签名中适度增加预测AE的发展,而HLA-A*02等位基因可能提供保护.
科学领域:
- 神经免疫学 神经免疫学
- 传染性疾病 传染性疾病
- 遗传学 遗传学 是一个
背景情况:
- 简单疹病毒脑炎 (HSE) 可以引发神经元自身抗体相关脑炎 (AE).
- 对于开发HSE后AE的风险因素尚不清楚.
- 潜在的倾向性因素包括遗传变异,人类白细胞抗原 (HLA) 类型和对HSV的先天免疫反应,特别是I型干扰素 (IFN) 免疫.
研究的目的:
- 调查遗传变异,HLA单元型和血液型I-IFN免疫反应作为HSE后AE的危险因素.
- 为了确定与HSE后AE相关的特定神经综合征.
- 为了确定血液IFN签名对AE发展的预测值.
主要方法:
- 分析了两个HSE患者队列 (西班牙人和国际患者).
- 评估包括神经综合征,HLA单元型和I型血液IFN签名 (量化IFN响应基因[IRG]).
- 整个外基因组测序被用来识别与通类受体 (TLR3) -IFN相关的基因突变. 多变量逻辑回归分析了AE的预测因素.
主要成果:
- 39%的患者发展了自身抗体,21%的患者在HSE后发展了AE.
- 冠状炎,抗NMDAR类脑炎和行为精神综合征与自身抗体高度相关.
- 患有AE的患者不太可能携带HLA-A*02等位基因. 在HSE后的第21天,血液IFN标志的适度增加是AE最强的预测因素 (OR 34.8).
结论:
- 在HSE后的AE往往呈现出三种不同的综合征.
- HLA-A*02等位基因似乎对AE发展具有保护性,而与TLR3-IFN相关的突变没有显示出显著的关联.
- 血液IFN签名,以及自身抗体检测,可能有助于诊断和监测HSE并发症,如AE.
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