T Cells Targeting SARS-CoV-2: By Infection, Vaccination, and Against Future Variants.

T Cells Targeting SARS-CoV-2: By Infection, Vaccination, and Against Future Variants.
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靶向SARS-COV-2的T细胞:通过感染,疫苗接种和对未来变体。

DOI:
10.3389/fmed.2021.793102
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发表时间:
2021
影响因子:
3.9
通讯作者:
Valkenburg SA
Valkenburg SA
中科院分区:
医学3区
文献类型:
--
作者:
Nguyen THO;Cohen CA;Rowntree LC;Bull MB;Hachim A;Kedzierska K;Valkenburg SA

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T细胞应答是病毒免疫的关键基石,可驱动高质量的抗体应答,建立记忆以进行回忆和病毒清除。T细胞应答的无效募集在严重COVID-19的发展中起作用,并且还表现为与其他表位特异性子集和可用T细胞受体多样性相比,男性、儿童和多样性中的细胞应答减少。SARS-CoV-2特异性T细胞应答由多种疫苗形式引起,并通过先前感染增强混合免疫。表位保守性相对良好地维持,导致对于具有减弱的血清学应答的关注变体的T细胞交叉反应性。
T cell responses are a key cornerstone to viral immunity to drive high-quality antibody responses, establishing memory for recall and for viral clearance. Inefficient recruitment of T cell responses plays a role in the development of severe COVID-19 and is also represented by reduced cellular responses in men, children, and diversity compared with other epitope-specific subsets and available T cell receptor diversity. SARS-CoV-2-specific T cell responses are elicited by multiple vaccine formats and augmented by prior infection for hybrid immunity. Epitope conservation is relatively well-maintained leading to T cell crossreactivity for variants of concern that have diminished serological responses.
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