Cited by 1,230SARS-CoV-2 and COVID-19 ResearchAnimal Virus Infections StudiesMonoclonal and Polyclonal Antibodies Research

Isolation of potent SARS-CoV-2 neutralizing antibodies and protection from disease in a small animal model

Open access
Rogers, Thomas F., Zhao, Fangzhu, Huang, Deli, Beutler, Nathan, Burns, Alison, He, Wan-ting, Limbo, Oliver, Smith, Chloe +26 more·2020·Science

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Abstract

Protective neutralizing antibodies: Antibodies produced by survivors of coronavirus disease 2019 (COVID-19) may be leveraged to develop therapies. A first step is identifying neutralizing antibodies, which confer strong protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Rogers et al. used a high-throughput pipeline to isolate and characterize monoclonal antibodies from convalescent donors. Antibodies were selected for binding to the viral spike protein, which facilitates entry into host cells by binding to the angiotensin-converting enzyme 2 (ACE2) receptor. Most isolated antibodies bound to regions of the spike outside of the receptor binding domain (RBD); however, a larger proportion of the RBD-binding antibodies were neutralizing, with the most potent binding at a site that overlaps the ACE2 binding site. Two of the neutralizing antibodies were tested in Syrian hamsters and provided protection against SARS-CoV-2 infection. Science , this issue p. 956

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  • Polyclonal antibodies against multiple non-RBD spike epitopes might block viral attachment, add neutralizing activity, or prevent post-attachment fusion.

    “A polyclonal antibody against multiple epitopes of the S protein beyond the RBD might, for example, inhibit viral attachment156–160, provide additional neutralizing activity161 and/or prevent post-attachment fusion162.”
  • mRNA vaccines induce antibodies to RBD, the main target of neutralizing antibodies, in a way that resembles natural infection.

    “The vaccines elicit antibody responses against the RBD, the major target of neutralizing antibodies21–26, in a manner that resembles natural infection.”
  • Most of the strongest neutralizing antibodies against SARS-CoV-2 identified so far bind the RBD.

    “We focused on the RBD since it is the target of the majority of the more potent SARS-CoV-2 neutralizing antibodies discovered to date21–26.”
  • Anti-RBD memory B cells are the most numerous and potent memory B cells.

    “Although antibodies to the N-terminal domain and other parts of S can also be neutralizing, we limited our analysis to memory B cells that produce anti-RBD antibodies because they are the most numerous and potent18,19.”
  • Passive transfer of nAbs limits respiratory tract infection and protects against infection in animal models.

    “passive transfer of nAbs limits respiratory tract infection and protects against infection in animal models (16–20)”

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Authors
Rogers, T. F., Zhao, F., Huang, D., Beutler, N., Burns, A., He, W.-T., Limbo, O., Smith, C., Song, G., Woehl, J., Yang, L., Abbott, R. K., Callaghan, S., Garcia, E., Hurtado, J., Parren, M., Peng, L., Ramirez, S., Ricketts, J., Ricciardi, M. J., Rawlings, S. A., Wu, N. C., Yuan, M., Smith, D. M., Nemazee, D., Teijaro, J. R., Voss, J. E., Wilson, I. A., Andrabi, R., Briney, B., Landais, E., Sok, D., Jardine, J. G., & Burton, D. R.
Affiliations
  • Scripps Research Institute (US)
  • Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA 92037, USA.
  • La Jolla Institute for Immunology (US)
  • George Washington University (US)
  • University of California San Diego (US)
Corresponding author
  • Rogers, Thomas F.
  • Zhao, Fangzhu
  • Huang, Deli
  • Beutler, Nathan
  • Sok, Devin
  • Jardine, Joseph G.
  • Burton, Dennis R.
Venue
Science
Published
2020-08-21
Volume
369
Issue
6506
Pages
956-963
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W3035459690
Cited by
1,230
References
33
Citations by year
2026: 23 · 2025: 47 · 2024: 68 · 2023: 126 · 2022: 242 · 2021: 504 · 2020: 217
FWCI
35.77
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • PubMed Central (submittedVersion, cc-by)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (UM1 AI144462)
  • Bill and Melinda Gates Foundation (OPP 1170236, OPP 1206647, OPP1196345)
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 › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
Keywords
SARS-CoV-2, neutralizing antibodies, COVID-19 pandemic, receptor binding domain, spike protein epitopes, passive antibody transfer, Syrian hamster model, antibody isolation, high-throughput antibody screening, prophylaxis, vaccine design, lung viral titers

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