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对基于多糖和基于蛋白质的疫苗的综合不良反应预测了严重的临床表型
Maaike Cockx1,2, Filomeen Haerynck3,4, Levi Hoste3,4
1Department of Microbiology, Immunology and Transplantation, University of Leuven, Leuven, Belgium.
Clinical chemistry and laboratory medicine
|September 21, 2023
概括
评估对多糖和蛋白质疫苗的抗体反应有助于诊断原发性免疫缺陷 (PID). 综合免疫反应分析为PID诊断提供了宝贵的临床见解.
科学领域:
- 免疫学 免疫学 免疫学
- 疫苗学 疫苗学 疫苗学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 对多糖和蛋白质疫苗的抗体反应是B细胞功能的关键指标.
- 关于对两种疫苗类型免疫反应的综合分析的研究有限.
研究的目的:
- 评估基于Luminex的抗多糖和抗蛋白抗体多重检测在诊断原发性免疫缺陷 (PID) 中的临床实用性.
主要方法:
- 经过验证的10倍复数和5倍复数Luminex测定针对肺炎球菌多糖体 (PnPS) 和蛋白质抗原 (例如,DTaP/Tdap) 的抗体.
- 在健康个体 (n=99) 和患者队列 (n=507) 中评估了抗体反应.
- 与正常接种疫苗反应相比,受影响的个体的临床特征比较.
主要成果:
- 在健康个体中建立了抗原特异性抗体值.
- 与较低的免疫球蛋白水平相关的抗PnPS反应受损,与更多的自身免疫疾病和较低的B细胞计数相关.
- 对PNPS和蛋白质的综合受损反应表明更严重的临床表现,其中8/11名严重受影响的个体具有常见的可变免疫缺陷.
结论:
- 对抗PnPS和抗蛋白抗体反应的多重评估,以及免疫球蛋白量化,为支持PID诊断提供了有价值的临床信息.
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