Cited by 512SARS-CoV-2 and COVID-19 ResearchAnimal Virus Infections StudiesViral Infections and Outbreaks Research

T cell-mediated immune response to respiratory coronaviruses

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Channappanavar, Rudragouda, Zhao, Jincun, Perlman, Stanley·2014·Immunologic Research

Abstract

Emerging respiratory coronaviruses such as the severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV) pose potential biological threats to humans. SARS and MERS are manifested as severe atypical pneumonia associated with high morbidity and mortality in humans. The majority of studies carried out in SARS-CoV-infected humans and animals attribute a dysregulated/exuberant innate response as a leading contributor to SARS-CoV-mediated pathology. A decade after the 2002-2003 SARS epidemic, we do not have any approved preventive or therapeutic agents available in case of re-emergence of SARS-CoV or other related viruses. A strong neutralizing antibody response generated against the spike (S) glycoprotein of SARS-CoV is completely protective in the susceptible host. However, neutralizing antibody titers and the memory B cell response are short lived in SARS-recovered patients and the antibody will target primary homologous strain. Interestingly, the acute phase of SARS in humans is associated with a severe reduction in the number of T cells in the blood. Surprisingly, only a limited number of studies have explored the role of the T cell-mediated adaptive immune response in respiratory coronavirus pathogenesis. In this review, we discuss the role of anti-virus CD4 and CD8 T cells during respiratory coronavirus infections with a special emphasis on emerging coronaviruses.

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  • Anti-S T-cell responses to SARS- and MERS-CoVs contribute toward viral clearance in normal as well as aged mice infected with SARS- or MERS-CoV, respectively.

    “anti-S T-cell responses to the related SARS- and MERS-CoVs contribute toward viral clearance in normal as well as aged mice infected with SARS- or MERS-CoV, respectively (43–45).”

    From An <i>Alphavirus</i> -derived replicon RNA vaccine induces SARS-CoV-2 neutralizing antibody and T cell responses in mice and nonhuman primates (2020) · cites this paper as [44]

    The sections on T-cell responses in infected animals and on memory T cells report that spike-specific responses contribute to SARS-CoV clearance in young mice and can improve clearance or protection in older mice. The MERS-CoV passage reports spike-specific CD8 T cells and a role for T cells in clearance in susceptible mice, but does not establish the claimed effect in aged MERS-CoV-infected mice. Page numbers are unavailable in our copy. (LLM, conf=0.86)

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Authors
Channappanavar, R., Zhao, J., & Perlman, S.
Affiliations
University of Iowa (US)
Corresponding author
Perlman, Stanley
Venue
Immunologic Research
Published
2014-05-21
Volume
59
Issue
1-3
Pages
118-128
ISSN
  • 0257-277X (ISSN-L)
  • 1559-0755
OpenAlex
W2025080738
Cited by
512
References
114
Citations by year
2026: 5 · 2025: 14 · 2024: 17 · 2023: 34 · 2022: 67 · 2021: 133 · 2020: 205 · 2019: 7 · 2018: 3 · 2017: 5 · 2016: 11 · 2015: 7 · 2014: 1
FWCI
1.16
Type
journal article
Language
en
Open access
Locations
  • Immunologic Research (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (R01AI091322, P01AI060699)
  • National Institute of Neurological Disorders and Stroke (R01NS036592)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Virus Infections Studies
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
Keywords
T cell immunity, SARS-CoV, MERS-CoV, CD4+ T cells, CD8+ T cells, adaptive immunity, coronavirus pathogenesis, neutralizing antibodies, spike protein, memory B cells, innate immune dysregulation, emerging infectious diseases
MeSH terms
Animals, B-Lymphocytes, Humans, Immunity, Cellular, Immunologic Memory, Portraits as Topic, Time Factors, CD4-Positive T-Lymphocytes, CD8-Positive T-Lymphocytes, Severe Acute Respiratory Syndrome, Severe acute respiratory syndrome-related coronavirus, Middle East Respiratory Syndrome Coronavirus

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