Cited by 437SARS-CoV-2 and COVID-19 ResearchT-cell and B-cell Immunologyvaccines and immunoinformatics approaches

Humoral and circulating follicular helper T cell responses in recovered patients with COVID-19

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Juno, Jennifer A., Tan, Hyon-Xhi, Lee, Wen Shi, Reynaldi, Arnold, Kelly, Hannah G., Wragg, Kathleen, Esterbauer, Robyn, Kent, Helen E. +12 more·2020·Nature Medicine

Abstract

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has dramatically expedited global vaccine development efforts 1-3, most targeting the viral 'spike' glycoprotein (S). S localizes on the virion surface and mediates recognition of cellular receptor angiotensin-converting enzyme 2 (ACE2)4-6. Eliciting neutralizing antibodies that block S-ACE2 interaction 7-9, or indirectly prevent membrane fusion 10, constitute an attractive modality for vaccine-elicited protection 11. However, although prototypic S-based vaccines show promise in animal models 12-14, the immunogenic properties of S in humans are poorly resolved. In this study, we characterized humoral and circulating follicular helper T cell (cTFH) immunity against spike in recovered patients with coronavirus disease 2019 (COVID-19). We found that S-specific antibodies, memory B cells and cTFH are consistently elicited after SARS-CoV-2 infection, demarking robust humoral immunity and positively associated with plasma neutralizing activity. Comparatively low frequencies of B cells or cTFH specific for the receptor binding domain of S were elicited. Notably, the phenotype of S-specific cTFH differentiated subjects with potent neutralizing responses, providing a potential biomarker of potency for S-based vaccines entering the clinic. Overall, although patients who recovered from COVID-19 displayed multiple hallmarks of effective immune recognition of S, the wide spectrum of neutralizing activity observed suggests that vaccines might require strategies to selectively target the most potent neutralizing epitopes.

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  • SARS-CoV-2 spike-specific circulating TFH cell responses correlate with generation of neutralizing antibodies in convalescent individuals, particularly when the cells have a CCR6- phenotype.

    “SARS-CoV-2 spike-specific circulating TFH cell responses correlate with the generation of neutralizing antibodies in convalescent individuals, particularly when these cells have a CCR6– phenotype32.”
  • Healthy adults commonly show CD4+ T cell memory against hCoVs.

    “several studies indicate the presence of widespread CD4+ T cell memory to hCoVs among healthy adults32,79–81.”
  • Spike is a good target for CD4+ T cell, Tfh cell, and CD8+ T cell responses in people infected with SARS-CoV-2.

    “the findings that Spike is a good target for CD4+ T cell responses, Tfh cell responses, and CD8+ T cell responses in SARS-CoV-2-infected people”

    From Adaptive immunity to SARS-CoV-2 and COVID-19 (2021) · cites this paper as Juno et al., 2020

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Authors
Juno, J. A., Tan, H.-X., Lee, W. S., Reynaldi, A., Kelly, H. G., Wragg, K., Esterbauer, R., Kent, H. E., Batten, C. J., Mordant, F. L., Gherardin, N. A., Pymm, P., Dietrich, M. H., Scott, N. E., Tham, W.-H., Godfrey, D. I., Subbarao, K., Davenport, M. P., Kent, S. J., & Wheatley, A. K.
Affiliations
  • The University of Melbourne (AU)
  • UNSW Sydney (AU)
  • Australian Research Council (AU)
  • Walter and Eliza Hall Institute of Medical Research (AU)
Corresponding author
  • Kent, Stephen J.
  • Wheatley, Adam K.
Venue
Nature Medicine
Published
2020-07-13
Volume
26
Issue
9
Pages
1428-1434
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W3041502662
Cited by
437
References
55
Citations by year
2026: 11 · 2025: 20 · 2024: 36 · 2023: 55 · 2022: 115 · 2021: 140 · 2020: 60
FWCI
12.17
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • Monash University Research Portal (Monash University) (publishedVersion, other-oa)
  • PubMed (publishedVersion)
  • ANU Open Research (Australian National University) (submittedVersion)
  • UNSWorks (University of New South Wales, Sydney, Australia) (submittedVersion)
Funders
  • Department of Health | National Health and Medical Research Council (GNT1162760, 1123673, APP1149990)
  • The Jack Ma Foundation
  • The Jack Ma Foundation A2 Milk Company
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › vaccines and immunoinformatics approaches
Keywords
SARS-CoV-2, COVID-19 pandemic, spike protein, humoral immunity, neutralizing antibodies, memory B cells, vaccine biomarkers, receptor binding domain, recovered patients
MeSH terms
Angiotensin-Converting Enzyme 2, COVID-19, Animals, Antibodies, Viral, Epitopes, Antigens, Viral, Chlorocebus aethiops, T-Lymphocytes, Helper-Inducer, Humans, Immunity, Cellular, Peptidyl-Dipeptidase A, Pneumonia, Viral, Vero Cells, Coronavirus Infections, Antibodies, Neutralizing, Pandemics, Spike Glycoprotein, Coronavirus

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