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在用SARS-CoV-2单克隆抗体治疗固体瘤或血液性恶性瘤患者的COVID后免疫力

Gilberto Sabino-Santos¹, Cathryn E Leggio², Sean M Litwin¹

¹Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, Louisiana, USA.

Immunity, inflammation and disease

|December 11, 2024

概括

在癌症患者中,针对COVID-19的单克隆抗体 (mAB) 治疗促进了强大的幽默和T细胞免疫力,即使B细胞缺乏. 这表明mAB治疗有助于保护性抗病毒反应,而不妨碍宿主免疫的发展.

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:

严重的COVID-19是用SARS-CoV-2单克隆抗体 (mAB) 疗法治疗的.
mAB治疗对癌症患者抗病毒免疫力的影响尚不清楚.

研究的目的:

评估接受针对SARS-CoV-2的mAB治疗的癌症患者感染后免疫的发展.
将mAB治疗患者的免疫反应与非mAB对照进行比较.

主要方法:

研究了五名接受mAB治疗SARS-CoV-2感染的癌症患者.
采集血液样本用于免疫选,包括抗体同型定型,效应器功能,T细胞表型定型和病毒RNA检测.
结果与非mAB对照组进行了比较.

主要成果:

尽管一些患者患有B细胞缺乏症,但所有患者都产生了可检测的抗体和中和抗体反应.
在接受mAB治疗的患者中,尖端特异性效应因子和记忆CD8+T细胞显著升高.
在接受mAB治疗的患者中,SARS-CoV-2病毒RNA检测率更高,在接受博特佐米布治疗的患者中出现了独特的变化.

结论:

接受mAB治疗的癌症患者对SARS-CoV-2产生了全面的幽默和T细胞免疫力,即使B细胞缺乏.
mAB治疗没有阻碍宿主抗病毒免疫的发展,并且可以防止再感染.
需要进一步的研究来了解长期免疫记忆,病毒分泌和高风险人群中最佳的mAB使用.

关键词:

在SARS-CoV-2中.血液学的恶性瘤.记忆免疫力免疫力单克隆抗体疗法是一种单克隆抗体疗法.

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