Cited by 1,286SARS-CoV-2 and COVID-19 ResearchAnimal Virus Infections StudiesMonoclonal and Polyclonal Antibodies Research

A human neutralizing antibody targets the receptor-binding site of SARS-CoV-2

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Shi, Rui, Shan, Chao, Duan, Xiaomin, Chen, Zhihai, Liu, Peipei, Song, Jinwen, Song, Tao, Bi, Xiaoshan +18 more·2020·Nature

Abstract

An outbreak of coronavirus disease 2019 (COVID-19)1-3, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)4, has spread globally. Countermeasures are needed to treat and prevent further dissemination of the virus. Here we report the isolation of two specific human monoclonal antibodies (termed CA1 and CB6) from a patient convalescing from COVID-19. CA1 and CB6 demonstrated potent SARS-CoV-2-specific neutralization activity in vitro. In addition, CB6 inhibited infection with SARS-CoV-2 in rhesus monkeys in both prophylactic and treatment settings. We also performed structural studies, which revealed that CB6 recognizes an epitope that overlaps with angiotensin-converting enzyme 2 (ACE2)-binding sites in the SARS-CoV-2 receptor-binding domain, and thereby interferes with virus-receptor interactions by both steric hindrance and direct competition for interface residues. Our results suggest that CB6 deserves further study as a candidate for translation to the clinic.

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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.”

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  1. Jiang, S. et al. A distinct name is needed for the new coronavirus. Lancet 395, 949 (2020).
  2. Liu, L. et al. Anti-spike IgG causes severe acute lung injury by skewing macrophage responses during acute SARS-CoV infection. JCI Insight 4, e123158 (2019).
  3. Sui, J. et al. Potent neutralization of severe acute respiratory syndrome (SARS) coronavirus by a human mAb to S1 protein that blocks receptor association. Proc. Natl Acad. Sci. USA 101, 2536-2541 (2004).
  4. Du, L., Zhang, X., Liu, J. & Jiang, S. Protocol for recombinant RBD-based SARS vaccines: protein preparation, animal vaccination and neutralization detection. J. Vis. Exp. 51, 2444 (2011).

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Authors
Shi, R., Shan, C., Duan, X., Chen, Z., Liu, P., Song, J., Song, T., Bi, X., Han, C., Wu, L., Gao, G., Hu, X., Zhang, Y., Tong, Z., Huang, W., Liu, W. J., Wu, G., Zhang, B., Wang, L., Qi, J., Feng, H., Wang, F.-S., Wang, Q., Gao, G. F., Yuan, Z., & Yan, J.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Capital Medical University (CN)
  • Chinese Center For Disease Control and Prevention (CN)
  • Anhui University (CN)
  • National Institutes for Food and Drug Control (CN)
  • Junshi Biosciences (China) (CN)
Corresponding author
  • Gao, Ge
  • Gao, George Fu
  • Yuan, Zhiming
  • Yan, Jinghua
Venue
Nature
Published
2020-05-26
Volume
584
Issue
7819
Pages
120-124
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W3032255042
Cited by
1,286
References
2
Citations by year
2026: 30 · 2025: 59 · 2024: 91 · 2023: 129 · 2022: 292 · 2021: 482 · 2020: 201
FWCI
36.35
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Natural Science Foundation of China (XDB29040201, 81922044, 81621091,, 2018119, 2018ZX09711003, 81973228)
  • Youth Innovation Promotion Association of the Chinese Academy of Sciences (2018119)
  • UC Berkeley College of Chemistry
  • National Key Research and Development Program of China (SARS-CoV-2, 2018ZX09711003, 81621091, XDB29040201, 2020YFC0841400)
  • Youth Innovation Promotion Association (2018119)
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, COVID-19 pandemic, neutralizing antibodies, monoclonal antibodies, receptor binding domain, ACE2, steric hindrance, rhesus macaque model
MeSH terms
Betacoronavirus, Angiotensin-Converting Enzyme 2, COVID-19, SARS-CoV-2, Animals, Antibodies, Viral, Binding, Competitive, Cell Line, Chlorocebus aethiops, Crystallization, Female, Humans, Peptidyl-Dipeptidase A, Macaca mulatta, Male, Models, Molecular, Neutralization Tests, Pneumonia, Viral, Protein Binding, Vero Cells, Coronavirus Infections, Crystallography, X-Ray, Viral Load, Antibodies, Neutralizing, Pandemics, Spike Glycoprotein, Coronavirus, In Vitro Techniques

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