Cited by 369SARS-CoV-2 and COVID-19 ResearchMonoclonal and Polyclonal Antibodies Researchvaccines and immunoinformatics approaches

Analysis of a SARS-CoV-2-Infected Individual Reveals Development of Potent Neutralizing Antibodies with Limited Somatic Mutation

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Seydoux, Emilie, Homad, Leah J., MacCamy, Anna J., Parks, K. Rachael, Hurlburt, Nicholas K., Jennewein, Madeleine F., Akins, Nicholas R., Stuart, Andrew B. +12 more·2020·Immunity

Abstract

Antibody responses develop following SARS-CoV-2 infection, but little is known about their epitope specificities, clonality, binding affinities, epitopes, and neutralizing activity. We isolated B cells specific for the SARS-CoV-2 envelope glycoprotein spike (S) from a COVID-19-infected subject 21 days after the onset of clinical disease. 45 S-specific monoclonal antibodies were generated. They had undergone minimal somatic mutation with limited clonal expansion, and three bound the receptor-binding domain (RBD). Two antibodies neutralized SARS-CoV-2. The most potent antibody bound the RBD and prevented binding to the ACE2 receptor, while the other bound outside the RBD. Thus, most anti-S antibodies that were generated in this patient during the first weeks of COVID-19 infection were non-neutralizing and target epitopes outside the RBD. Antibodies that disrupt the SARS-CoV-2 S-ACE2 interaction can potently neutralize the virus without undergoing extensive maturation. Such antibodies have potential preventive and/or therapeutic potential and can serve as templates for vaccine design.

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Authors
Seydoux, E., Homad, L. J., MacCamy, A. J., Parks, K. R., Hurlburt, N. K., Jennewein, M. F., Akins, N. R., Stuart, A. B., Wan, Y.-H., Feng, J., Whaley, R. E., Singh, S., Boeckh, M., Cohen, K. W., McElrath, M. J., Englund, J. A., Chu, H. Y., Pancera, M., McGuire, A. T., & Stamatatos, L.
Affiliations
  • Fred Hutch Cancer Center (US)
  • University of Washington (US)
  • National Institutes of Health (US)
Corresponding author
  • Pancera, Marie
  • McGuire, Andrew T.
  • Stamatatos, Leonidas
Venue
Immunity
Publisher
Elsevier BV
Published
2020-07
Volume
53
Issue
1
Pages
98-105.e5
ISSN
1074-7613 (ISSN-L)
OpenAlex
W3033450058
Cited by
364
References
44
Citations by year
2026: 9 · 2025: 12 · 2024: 13 · 2023: 27 · 2022: 70 · 2021: 143 · 2020: 89
FWCI
10.79
Type
journal article
Language
en
Open access
Locations
  • Immunity (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Fred Hutchinson Cancer Research Center
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › vaccines and immunoinformatics approaches
Keywords
SARS-CoV-2, COVID-19 pandemic, neutralizing antibodies, spike protein, receptor binding domain, ACE2 receptor, somatic mutations, B-cell clonality, monoclonal antibodies, antibody epitope specificity, antibody affinity, antibody maturation, vaccine design
MeSH terms
Betacoronavirus, Angiotensin-Converting Enzyme 2, COVID-19, SARS-CoV-2, Antibodies, Monoclonal, Antibodies, Viral, B-Lymphocytes, Binding Sites, Humans, Peptidyl-Dipeptidase A, Pneumonia, Viral, Protein Binding, Receptors, Virus, Viral Vaccines, Coronavirus Infections, Epitopes, B-Lymphocyte, Somatic Hypermutation, Immunoglobulin, Antibodies, Neutralizing, Pandemics, Spike Glycoprotein, Coronavirus

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