Cited by 370SARS-CoV-2 and COVID-19 ResearchMonoclonal and Polyclonal Antibodies ResearchCOVID-19 Clinical Research Studies

The DOI matches its Crossref record; 100 of the 101 references it cites were found in a registry or an index.

Human neutralizing antibodies against SARS-CoV-2 require intact Fc effector functions for optimal therapeutic protection

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Published version of a preprint

Abstract

SARS-CoV-2 has caused the global COVID-19 pandemic. Although passively delivered neutralizing antibodies against SARS-CoV-2 show promise in clinical trials, their mechanism of action in vivo is incompletely understood. Here, we define correlates of protection of neutralizing human monoclonal antibodies (mAbs) in SARS-CoV-2-infected animals. Whereas Fc effector functions are dispensable when representative neutralizing mAbs are administered as prophylaxis, they are required for optimal protection as therapy. When given after infection, intact mAbs reduce SARS-CoV-2 burden and lung disease in mice and hamsters better than loss-of-function Fc variant mAbs. Fc engagement of neutralizing antibodies mitigates inflammation and improves respiratory mechanics, and transcriptional profiling suggests these phenotypes are associated with diminished innate immune signaling and preserved tissue repair. Immune cell depletions establish that neutralizing mAbs require monocytes and CD8+ T cells for optimal clinical and virological benefit. Thus, potently neutralizing mAbs utilize Fc effector functions during therapy to mitigate lung infection and disease.

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Crossref · 10.1016/j.cell.2021.02.026

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Metadata

Authors
Winkler, E. S., Gilchuk, P., Yu, J., Bailey, A. L., Chen, R. E., Chong, Z., Zost, S. J., Jang, H., Huang, Y., Allen, J. D., Case, J. B., Sutton, R. E., Carnahan, R. H., Darling, T. L., Boon, A. C. M., Mack, M., Head, R. D., Ross, T. M., Crowe, J. E., & Diamond, M. S.
Affiliations
  • Washington University in St. Louis (US)
  • Vanderbilt University Medical Center (US)
  • University of Georgia (US)
  • University Hospital Regensburg (DE)
Corresponding author
  • Crowe, James E.
  • Diamond, Michael S.
Venue
Cell
Publisher
Elsevier BV
Published
2021-04
Volume
184
Issue
7
Pages
1804-1820.e16
ISSN
0092-8674 (ISSN-L)
OpenAlex
W3132982761
Cited by
366
References
101
Citations by year
2026: 13 · 2025: 34 · 2024: 40 · 2023: 69 · 2022: 99 · 2021: 109
FWCI
25.26
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (submittedVersion)
  • University of Regensburg Publication Server (University of Regensburg) (submittedVersion)
Funders
NIAID
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Life Sciences › Immunology and Microbiology › Immunology › Monoclonal and Polyclonal Antibodies Research
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
Keywords
SARS-CoV-2, neutralizing monoclonal antibodies, Fc effector functions, passive immunotherapy, COVID-19 pandemic, pulmonary infection, monocytes, CD8+ T cells, innate immune signaling, tissue repair, inflammation, correlates of protection

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