Dynamics of TCR repertoire and T cell function in COVID-19 convalescent individuals

Lingjie Luo; Wenhua Liang; Jianfeng Pang; Gang Xu; Yingying Chen; Xinrong Guo; Xin Wang; Yi Zhao; Yangdian Lai; Yang Liu; Bin Li; Bing Su; Shuye Zhang; Michal Baniyash; Lei Shen; Lei Chen; Yun Ling; Ying Wang; Qiming Liang; Hongzhou Lu; Zheng Zhang; Feng Wang

doi:10.1038/s41421-021-00321-x

Dynamics of TCR repertoire and T cell function in COVID-19 convalescent individuals

Lingjie Luo, Wenhua Liang, Jianfeng Pang, Gang Xu, Yingying Chen, Xinrong Guo, Xin Wang, Yi Zhao, Yangdian Lai, Yang Liu, Bin Li, Bing Su, Shuye Zhang, Michal Baniyash, Lei Shen, Lei Chen, Yun Ling, Ying Wang, Qiming Liang, Hongzhou Lu^*Zheng Zhang^*, Feng Wang^*

^*Corresponding author for this work

Department of Immunology and Cancer Research

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

SARS-CoV-2 outbreak has been declared by World Health Organization as a worldwide pandemic. However, there are many unknowns about the antigen-specific T-cell-mediated immune responses to SARS-CoV-2 infection. Here, we present both single-cell TCR-seq and RNA-seq to analyze the dynamics of TCR repertoire and immune metabolic functions of blood T cells collected from recently discharged COVID-19 patients. We found that while the diversity of TCR repertoire was increased in discharged patients, it returned to basal level ~1 week after becoming virus-free. The dynamics of T cell repertoire correlated with a profound shift of gene signatures from antiviral response to metabolism adaptation. We also demonstrated that the top expanded T cell clones (~10% of total T cells) display the key anti-viral features in CD8⁺ T cells, confirming a critical role of antigen-specific T cells in fighting against SARS-CoV-2. Our work provides a basis for further analysis of adaptive immunity in COVID-19 patients, and also has implications in developing a T-cell-based vaccine for SARS-CoV-2.

Original language	English
Article number	89
Journal	Cell Discovery
Volume	7
Issue number	1
DOIs	https://doi.org/10.1038/s41421-021-00321-x
State	Published - 28 Sep 2021

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© 2021, The Author(s).

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title = "Dynamics of TCR repertoire and T cell function in COVID-19 convalescent individuals",

abstract = "SARS-CoV-2 outbreak has been declared by World Health Organization as a worldwide pandemic. However, there are many unknowns about the antigen-specific T-cell-mediated immune responses to SARS-CoV-2 infection. Here, we present both single-cell TCR-seq and RNA-seq to analyze the dynamics of TCR repertoire and immune metabolic functions of blood T cells collected from recently discharged COVID-19 patients. We found that while the diversity of TCR repertoire was increased in discharged patients, it returned to basal level ~1 week after becoming virus-free. The dynamics of T cell repertoire correlated with a profound shift of gene signatures from antiviral response to metabolism adaptation. We also demonstrated that the top expanded T cell clones (~10% of total T cells) display the key anti-viral features in CD8+ T cells, confirming a critical role of antigen-specific T cells in fighting against SARS-CoV-2. Our work provides a basis for further analysis of adaptive immunity in COVID-19 patients, and also has implications in developing a T-cell-based vaccine for SARS-CoV-2.",

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AU - Guo, Xinrong

AU - Wang, Xin

AU - Zhao, Yi

AU - Lai, Yangdian

AU - Liu, Yang

AU - Li, Bin

AU - Su, Bing

AU - Zhang, Shuye

AU - Baniyash, Michal

AU - Shen, Lei

AU - Chen, Lei

AU - Ling, Yun

AU - Wang, Ying

AU - Liang, Qiming

AU - Lu, Hongzhou

AU - Zhang, Zheng

AU - Wang, Feng

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Dynamics of TCR repertoire and T cell function in COVID-19 convalescent individuals

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