Immune Memory in Mild COVID-19 Patients and Unexposed Donors Reveals Persistent T Cell Responses After SARS-CoV-2 Infection.

Immune Memory in Mild COVID-19 Patients and Unexposed Donors Reveals Persistent T Cell Responses After SARS-CoV-2 Infection.
复制标题

DOI:
10.3389/fimmu.2021.636768
复制
发表时间:
2021
影响因子:
7.3
通讯作者:
Gupta N
Gupta N
中科院分区:
医学2区
文献类型:
--
作者:
Ansari A;Arya R;Sachan S;Jha SN;Kalia A;Lall A;Sette A;Grifoni A;Weiskopf D;Coshic P;Sharma A;Gupta N

文献摘要

参考文献

被引文献

相似文献

了解COVID-19疫情在不同地理位置出现不同结果的原因,对全球疫苗实施及疫情控制应对至关重要。我们分析了42名未暴露的健康供体和28名轻度COVID-19受试者,从恢复到SARS-CoV-2特异性免疫记忆长达5个月。使用HLA II类预测肽库,我们在约66%的未暴露个体中鉴定了SARS-CoV-2交叉反应性CD 4 + T细胞。此外,我们在轻度COVID-19患者中发现了可检测到的免疫记忆,在恢复几个月后,在保护性适应性免疫的关键武器中; CD 4 + T细胞和B细胞,CD 8 + T细胞的贡献最小。有趣的是,COVID-19患者的持续免疫记忆主要针对SARS-CoV-2的刺突糖蛋白。这项研究提供了印度人群中高强度预先存在和持久免疫记忆的证据。通过提供有关SARS-CoV-2细胞免疫反应的知识,我们的工作对COVID-19疫苗的开发和实施具有重要意义。
Understanding the causes of the diverse outcome of COVID-19 pandemic in different geographical locations is important for the worldwide vaccine implementation and pandemic control responses. We analyzed 42 unexposed healthy donors and 28 mild COVID-19 subjects up to 5 months from the recovery for SARS-CoV-2 specific immunological memory. Using HLA class II predicted peptide megapools, we identified SARS-CoV-2 cross-reactive CD4+ T cells in around 66% of the unexposed individuals. Moreover, we found detectable immune memory in mild COVID-19 patients several months after recovery in the crucial arms of protective adaptive immunity; CD4+ T cells and B cells, with a minimal contribution from CD8+ T cells. Interestingly, the persistent immune memory in COVID-19 patients is predominantly targeted towards the Spike glycoprotein of the SARS-CoV-2. This study provides the evidence of both high magnitude pre-existing and persistent immune memory in Indian population. By providing the knowledge on cellular immune responses to SARS-CoV-2, our work has implication for the development and implementation of vaccines against COVID-19.
DOI: 10.1038/nrmicro.2016.81
发表时间: 2016-08
期刊: Nature reviews. Microbiology
影响因子: --
作者:
de Wit E;van Doremalen N;Falzarano D;Munster VJ
通讯作者: Munster VJ
DOI: 10.1371/journal.pone.0186998
发表时间: 2017-10-24
期刊: PLOS ONE
影响因子: 3.7
作者:
Reiss, Samantha;Baxter, Amy E.;Kaufmann, Daniel E.
通讯作者: Kaufmann, Daniel E.
DOI: 10.1016/j.virusres.2014.03.018
发表时间: 2014-12-19
期刊: Virus research
影响因子: 5
作者:
Meyer B;Drosten C;Müller MA
通讯作者: Müller MA
DOI: 10.1016/j.celrep.2016.09.019
发表时间: 2016-10-11
期刊: CELL REPORTS
影响因子: 8.8
作者:
Johnson, Lexus R.;Orr-El Weizman;Sun, Joseph C.
通讯作者: Sun, Joseph C.
DOI: 10.1038/s41577-020-00460-4
发表时间: 2020-11
期刊: Nature reviews. Immunology
影响因子: --
作者:
Lipsitch M;Grad YH;Sette A;Crotty S
通讯作者: Crotty S