在儿童多系统炎症综合征 (MIS-C) 中的先天性免疫失调
Johana Isaza-Correa1,2,3, Laura Ryan1,3, Lynne Kelly1,2,3
1Discipline of Paediatrics, Trinity College, The University of Dublin, Dublin, Ireland.
Scientific reports
|September 30, 2023
概括
儿科炎症多系统综合征 (MIS-C) 涉及免疫系统失调. 患有MIS-C的儿童显示中性粒细胞,淋巴细胞数量和细胞因子概况发生变化,这表明潜在的免疫调节治疗方法.
科学领域:
- 免疫学 免疫学 免疫学
- 儿童传染病 儿童传染病
- 系统性炎症 系统性炎症
背景情况:
- 儿科炎症多系统综合征 (MIS-C) 是SARS-CoV-2感染后的一种严重疾病.
- 在MIS-C背后的免疫病理机制仍然不完全理解.
研究的目的:
- 为了比较MIS-C儿童与健康对照者的系统性免疫反应.
- 为了研究MIS-C患者的细胞和分子免疫变化.
主要方法:
- 在中性粒细胞和单细胞中对免疫细胞群和受体表达 (CD11b,TLR4) 的流细胞计分析.
- 血清细胞因子和与炎症酶相关的mRNA的量化.
- 对淋巴细胞亚群 (T细胞,B细胞,NK细胞) 的评估.
主要成果:
- 患有MIS-C的儿童表现出中性粒细胞数量增加和淋巴细胞数量减少.
- 在MIS-C患者中观察到IL-6,IL-10,TNF-β和VEGF的血清水平增加.
- 发现了淋巴细胞子集的明显变化,包括CD3 +,NK和Vδ1细胞的减少,B细胞的增加.
结论:
- MIS-C的特点是失调的全身免疫反应.
- 这些发现表明,在MIS-C.中,免疫调节干预措施的潜在治疗点可能是MIS-C.
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