选择性与非选择性氨酸1-酸盐受体调节剂对T细胞和B细胞对SARS-CoV-2疫苗接种反应的不同影响
Undine Proschmann1, Magdalena Mueller-Enz1, Christina Woopen1
1Center of Clinical Neuroscience, Department of Neurology, University Hospital Carl Gustav Carus, Technical University of Dresden, Dresden, Germany.
概括
斯芬贡素1-酸盐受体调节剂 (S1PRMs) 影响SARS-CoV-2疫苗反应. 与非选择性fingolimod相比,选择性S1PRMs如ozanimod和siponimod显示出更好的抗体和T细胞反应.
科学领域:
- 免疫学 免疫学 免疫学
- 神经学 神经学
- 疫苗学 疫苗学 疫苗学
背景情况:
- 素1-酸盐受体调节剂 (S1PRMs) 可以改变免疫反应.
- 之前的研究表明S1PRMs可能会减弱疫苗的疗效.
- 了解这些影响对于免疫受损人群至关重要.
研究的目的:
- 为了比较不同S1PRMs的多发性硬化症患者的SARS-CoV-2疫苗免疫反应.
- 要区分选择性与非选择性S1PRMs的影响.
- 评估抗体和T细胞介导免疫力.
主要方法:
- 一个单一的,纵向研究,涉及多发性硬化症 (pwMS) 患者.
- 参与者接受了SARS-CoV-2初级和强剂疫苗接种,按S1PRM使用 (fingolimod,siponimod,ozanimod) 或没有疾病修饰疗法 (DMT) 分类.
- 通过抗SARS-CoV-2抗体和T细胞干扰素-玛释放试验测量免疫反应.
主要成果:
- 没有DMT的pwMS在接种疫苗后显示出强大的抗体反应;S1PRM使用者降低了标位,而fingolimod (FTY) 显示出最低水平.
- 助推剂量增加了未接受治疗的患者和接受ozanimod (OZA) / siponimod (SIP) 治疗的患者的抗体,但不是FTY.
- 在未经治疗的pwMS中存在T细胞反应,但在S1PRM使用者中减少/不存在;在S1PRM启动之前的疫苗接种导致T细胞减弱和幽默反应减弱.
结论:
- 选择性S1PRMs (OZA,SIP) 与非选择性S1PRMs (FTY) 相比,对SARS-CoV-2疫苗反应产生了不同的影响.
- 观察到的免疫反应的差异可能与S1PRM选择性有关,而不是仅仅与淋巴细胞再分配有关.
- 这些发现强调了S1PRM选择在pwMS中管理疫苗疗效的重要性.
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