SARS-CoV-2–specific CD8+ T cell responses in convalescent COVID-19 individuals

Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate...

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Published inThe Journal of clinical investigation Vol. 131; no. 5; pp. 1 - 13
Main Authors Kared, Hassen, Redd, Andrew D., Bloch, Evan M., Bonny, Tania S., Sumatoh, Hermi, Kairi, Faris, Carbajo, Daniel, Abel, Brian, Newell, Evan W., Bettinotti, Maria P., Benner, Sarah E., Patel, Eshan U., Littlefield, Kirsten, Laeyendecker, Oliver, Shoham, Shmuel, Sullivan, David, Casadevall, Arturo, Pekosz, Andrew, Nardin, Alessandra, Fehlings, Michael, Tobian, Aaron A.R., Quinn, Thomas C.
Format Journal Article
LanguageEnglish
Published United States American Society for Clinical Investigation 01.03.2021
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Abstract Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8+ T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2-specific CD8+ T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8+ T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2-specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8+ T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.
AbstractList Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8+ T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2-specific CD8+ T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8+ T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2-specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8+ T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8+ T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2-specific CD8+ T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8+ T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2-specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8+ T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.
Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8+ T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2-specific CD8+ T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8+ T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2-specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8+ T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.
Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8· T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2-specific CD8· T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8· T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2-specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8· T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.
Characterization of the T cell response in individuals who recover from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is critical to understanding its contribution to protective immunity. A multiplexed peptide-MHC tetramer approach was used to screen 408 SARS-CoV-2 candidate epitopes for CD8 + T cell recognition in a cross-sectional sample of 30 coronavirus disease 2019 convalescent individuals. T cells were evaluated using a 28-marker phenotypic panel, and findings were modelled against time from diagnosis and from humoral and inflammatory responses. There were 132 SARS-CoV-2–specific CD8 + T cell responses detected across 6 different HLAs, corresponding to 52 unique epitope reactivities. CD8 + T cell responses were detected in almost all convalescent individuals and were directed against several structural and nonstructural target epitopes from the entire SARS-CoV-2 proteome. A unique phenotype for SARS-CoV-2–specific T cells was observed that was distinct from other common virus-specific T cells detected in the same cross-sectional sample and characterized by early differentiation kinetics. Modelling demonstrated a coordinated and dynamic immune response characterized by a decrease in inflammation, increase in neutralizing antibody titer, and differentiation of a specific CD8 + T cell response. Overall, T cells exhibited distinct differentiation into stem cell and transitional memory states (subsets), which may be key to developing durable protection.
Author Redd, Andrew D.
Shoham, Shmuel
Patel, Eshan U.
Nardin, Alessandra
Tobian, Aaron A.R.
Bonny, Tania S.
Bettinotti, Maria P.
Pekosz, Andrew
Casadevall, Arturo
Newell, Evan W.
Sullivan, David
Benner, Sarah E.
Sumatoh, Hermi
Kared, Hassen
Laeyendecker, Oliver
Carbajo, Daniel
Abel, Brian
Littlefield, Kirsten
Bloch, Evan M.
Quinn, Thomas C.
Fehlings, Michael
Kairi, Faris
AuthorAffiliation 4 Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
7 Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
3 Department of Medicine and
1 ImmunoScape, Singapore, Singapore
5 Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
2 Division of Intramural Research, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
6 Department of Epidemiology and
AuthorAffiliation_xml – name: 1 ImmunoScape, Singapore, Singapore
– name: 5 Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, Washington, USA
– name: 3 Department of Medicine and
– name: 6 Department of Epidemiology and
– name: 2 Division of Intramural Research, National Institute of Allergy and Infectious Diseases, NIH, Bethesda, Maryland, USA
– name: 4 Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
– name: 7 Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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  fullname: Abel, Brian
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  orcidid: 0000-0002-2889-243X
  surname: Newell
  fullname: Newell, Evan W.
– sequence: 10
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  surname: Bettinotti
  fullname: Bettinotti, Maria P.
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  givenname: Sarah E.
  surname: Benner
  fullname: Benner, Sarah E.
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  givenname: Eshan U.
  orcidid: 0000-0003-2174-5004
  surname: Patel
  fullname: Patel, Eshan U.
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  orcidid: 0000-0002-6019-0673
  surname: Littlefield
  fullname: Littlefield, Kirsten
– sequence: 14
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  orcidid: 0000-0002-6429-4760
  surname: Laeyendecker
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  orcidid: 0000-0002-0404-1315
  surname: Quinn
  fullname: Quinn, Thomas C.
BackLink https://www.ncbi.nlm.nih.gov/pubmed/33427749$$D View this record in MEDLINE/PubMed
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ContentType Journal Article
Copyright Copyright American Society for Clinical Investigation Mar 2021
2021 American Society for Clinical Investigation 2021 American Society for Clinical Investigation
Copyright_xml – notice: Copyright American Society for Clinical Investigation Mar 2021
– notice: 2021 American Society for Clinical Investigation 2021 American Society for Clinical Investigation
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SubjectTerms Adult
Aged
Antibodies
Antibodies, Neutralizing - immunology
Antibodies, Viral - immunology
Antigens
Biomedical research
CD8 antigen
CD8-Positive T-Lymphocytes - immunology
CD8-Positive T-Lymphocytes - pathology
Cell differentiation
Cell recognition
Convalescence
Coronaviridae
Coronaviruses
COVID-19
COVID-19 - immunology
COVID-19 - pathology
Cytomegalovirus
Epitopes
Female
Genotype & phenotype
Histocompatibility antigen HLA
HLA Antigens - immunology
Humans
Infections
Inflammation
Influenza
Lymphocytes
Lymphocytes T
Major histocompatibility complex
Male
Memory cells
Middle Aged
Models, Immunological
Pandemics
Peptides
Phenotypes
Proteins
Proteomes
SARS-CoV-2 - immunology
Severe acute respiratory syndrome coronavirus 2
Stem cells
Vaccines
Title SARS-CoV-2–specific CD8+ T cell responses in convalescent COVID-19 individuals
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