接种SARS-CoV-2疫苗揭示了淋巴瘤亚型和疗法中明显的免疫功能障碍
Yogambigai Velmurugu1, Anna Halling Folkmar Rahimic2, Ryan Curtin2
1NYU school of Medicine.
Research square
|July 9, 2025
概括
用抗CD20疗法治疗的接种疫苗的淋巴瘤患者显示免疫反应发生变化和SARS-CoV-2疫苗免疫力受损. 仅化学疗法就能保持抗体反应,这表明针对免疫受损个体需要量身定制的疫苗策略.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 病毒学 病毒学
背景情况:
- 淋巴瘤患者因免疫抑制而面临更高的感染风险,包括SARS-CoV-2.
- 抗CD20抗体 (aCD20) 治疗,通常与化疗 (CT) 结合,用于淋巴瘤,但影响免疫功能.
研究的目的:
- 为了全面描述淋巴瘤患者对SARS-CoV-2疫苗接种的免疫反应.
- 为了比较接受aCD20±CT和CT单独治疗的患者与健康对照者之间的免疫特征和疫苗反应.
主要方法:
- 采用了多维光谱流细胞计和血清学.
- 在SARS-CoV-2疫苗接种后的50名患者中,分析了12种淋巴瘤亚型的50名患者的免疫反应.
主要成果:
- aCD20±CT治疗导致B细胞枯竭之外的显著免疫变化,包括改变的T细胞子集和功能障碍的B细胞.
- 接种aCD20±CT的患者表现出对SARS-CoV-2疫苗接种的抗体和T细胞反应受损.
- 仅接受化疗的霍奇金淋巴瘤患者保持了与健康对照对抗体反应相似的反应.
- 在aCD20±CT患者中,SARS-CoV-2特异性T细胞显示出具有增加Th1和EMRA CD8+T细胞的潜在补偿特征.
结论:
- 淋巴瘤治疗,特别是CD20疗法,诱导显著的免疫失调,影响疫苗的疗效.
- 单独的化疗似乎比组合疗法更好地保持幽默免疫力.
- 这些发现支持开发个性化疫苗策略的必要性,以改善免疫功能低下淋巴瘤患者对病毒威胁的保护.
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