Cited by 68SARS-CoV-2 and COVID-19 ResearchCOVID-19 Clinical Research StudiesSARS-CoV-2 detection and testing

Presence of antibody-dependent cellular cytotoxicity (ADCC) against SARS-CoV-2 in COVID-19 plasma

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Tso, For Yue, Lidenge, Salum J., Poppe, Lisa K., Peña, Phoebe B., Privatt, Sara R., Bennett, Sydney J., Ngowi, John R., Mwaiselage, Julius +12 more·2021·PLOS ONE

Abstract

Background: Neutralizing-antibody (nAb) is the major focus of most ongoing COVID-19 vaccine trials. However, nAb response against SARS-CoV-2, when present, decays rapidly. Given the myriad roles of antibodies in immune responses, it is possible that antibodies could also mediate protection against SARS-CoV-2 via effector mechanisms such as antibody-dependent cellular cytotoxicity (ADCC), which we sought to explore here. Methods: Plasma of 3 uninfected controls and 20 subjects exposed to, or recovering from, SARS-CoV-2 infection were collected from U.S. and sub-Saharan Africa. Immunofluorescence assay was used to detect the presence of SARS-CoV-2 specific IgG antibodies in the plasma samples. SARS-CoV-2 specific neutralizing capability of these plasmas was assessed with SARS-CoV-2 spike pseudotyped virus. ADCC activity was assessed with a calcein release assay. Results: SARS-CoV-2 specific IgG antibodies were detected in all COVID-19 subjects studied. All but three COVID-19 subjects contained nAb at high potency (>80% neutralization). Plasma from 19/20 of COVID-19 subjects also demonstrated strong ADCC activity against SARS-CoV-2 spike glycoprotein, including two individuals without nAb against SARS-CoV-2. Conclusion: Both neutralizing and non-neutralizing COVID-19 plasmas can mediate ADCC. Our findings argue that evaluation of potential vaccines against SARS-CoV-2 should include investigation of the magnitude and durability of ADCC, in addition to nAb.

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Authors
Tso, F. Y., Lidenge, S. J., Poppe, L. K., Peña, P. B., Privatt, S. R., Bennett, S. J., Ngowi, J. R., Mwaiselage, J., Belshan, M., Siedlik, J. A., Raine, M. A., Ochoa, J. B., Garcia-Diaz, J., Nossaman, B., Buckner, L., Roberts, W. M., Dean, M. J., Ochoa, A. C., West, J. T., & Wood, C.
Affiliations
  • University of Nebraska–Lincoln (US)
  • Ocean Road Cancer Institute (TZ)
  • Muhimbili University of Health and Allied Sciences (TZ)
  • Creighton University (US)
  • Ochsner Medical Center (US)
  • Louisiana State University (US)
Corresponding author
Wood, Charles
Venue
PLOS ONE
Published
2021-03-04
Volume
16
Issue
3
Pages
e0247640
ISSN
1932-6203 (ISSN-L)
OpenAlex
W3133805672
Cited by
68
References
26
Citations by year
2026: 4 · 2025: 6 · 2024: 9 · 2023: 14 · 2022: 25 · 2021: 10
FWCI
4.59
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Lincoln (University of Nebraska) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Cancer Institute (U54 CA190155)
  • Fogarty International Center (K43TW011418, D43 TW010354)
  • National Institute of Allergy and Infectious Diseases (T32 AI125207)
  • National Institute of General Medical Sciences (P20 GM103427)
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 detection and testing
Keywords
antibody-dependent cellular cytotoxicity, SARS-CoV-2, COVID-19 pandemic, neutralizing antibodies, non-neutralizing antibodies, IgG, spike protein, humoral immunity, vaccine evaluation, antibody persistence
MeSH terms
COVID-19, SARS-CoV-2, Adult, Aged, Aged, 80 and over, Antibodies, Viral, Antibody-Dependent Cell Cytotoxicity, Female, Humans, Immunoglobulin G, Male, Middle Aged, Young Adult, Antibodies, Neutralizing, HEK293 Cells, Spike Glycoprotein, Coronavirus

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