Cited by 496SARS-CoV-2 and COVID-19 ResearchImmune responses and vaccinationsViral Infections and Outbreaks Research

Lack of Peripheral Memory B Cell Responses in Recovered Patients with Severe Acute Respiratory Syndrome: A Six-Year Follow-Up Study

Tang, Fang, Quan, Yan, Xin, Zhong-Tao, Wrammert, Jens, Ma, Mai-Juan, Lv, Hui, Wang, Tian-Bao, Yang, Hong +3 more·2011·The Journal of Immunology

Abstract

Six years have passed since the outbreak of severe acute respiratory syndrome (SARS). Previous studies indicated that specific Abs to SARS-related coronavirus (SARS-CoV) waned over time in recovered SARS patients. It is critical to find out whether a potential anamnestic response, as seen with other viral infections, exists to protect a person from reinfection in case of another SARS outbreak. Recovered SARS patients were followed up to 6 y to estimate the longevity of specific Ab. The specific memory B cell and T cell responses to SARS-CoV Ags were measured by means of ELISPOT assay. Factors in relation to humoral and cellular immunity were investigated. Six years postinfection, specific IgG Ab to SARS-CoV became undetectable in 21 of the 23 former patients. No SARS-CoV Ag-specific memory B cell response was detected in either 23 former SARS patients or 22 close contacts of SARS patients. Memory T cell responses to a pool of SARS-CoV S peptides were identified in 14 of 23 (60.9%) recovered SARS patients, whereas there was no such specific response in either close contacts or healthy controls. Patients with more severe clinical manifestations seemed to present a higher level of Ag-specific memory T cell response. SARS-specific IgG Ab may eventually vanish and peripheral memory B cell responses are undetectable in recovered SARS patients. In contrast, specific T cell anamnestic responses can be maintained for at least 6 y. These findings have applications in preparation for the possible reemergence of SARS.

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Crossref · 10.4049/jimmunol.0903490

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Authors
Tang, F., Quan, Y., Xin, Z.-T., Wrammert, J., Ma, M.-J., Lv, H., Wang, T.-B., Yang, H., Richardus, J. H., Liu, W., & Cao, W.-C.
Affiliations
  • Chinese People's Armed Police Force (CN)
  • Chengdu Military General Hospital (CN)
  • Chinese National Human Genome Center (CN)
  • Emory University (US)
  • Beijing Institute of Microbiology and Epidemiology (CN)
  • Chinese People’s Armed Forces Hospital of Beijing , Beijing 100027 ,
  • Erasmus MC (NL)
Corresponding author
  • Tang, Fang
  • Yang, Hong
  • Liu, Wei
Venue
The Journal of Immunology
Published
2011-06
Volume
186
Issue
12
Pages
7264-7268
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1662940398
Cited by
496
References
34
Citations by year
2026: 2 · 2025: 4 · 2024: 24 · 2023: 34 · 2022: 74 · 2021: 155 · 2020: 171 · 2019: 5 · 2018: 4 · 2017: 7 · 2016: 11 · 2015: 1 · 2014: 2 · 2012: 1
FWCI
0.65
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
Keywords
SARS, SARS-CoV, memory B cells, memory T cells, secondary immune response, antibody waning, long-term immunity, reinfection, close contacts, humoral immunity, cell-mediated immunity, disease severity
MeSH terms
Adult, Antigens, Viral, B-Lymphocytes, Disease Outbreaks, Female, Follow-Up Studies, Humans, Immunity, Cellular, Immunologic Memory, Male, Middle Aged, T-Lymphocytes, Case-Control Studies, Severe Acute Respiratory Syndrome, Severe acute respiratory syndrome-related coronavirus, Immunity, Humoral, Enzyme-Linked Immunospot Assay

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