Cited by 212Viral Infections and Outbreaks ResearchMonoclonal and Polyclonal Antibodies ResearchViral Infections and Vectors

Systematic Analysis of Monoclonal Antibodies against Ebola Virus GP Defines Features that Contribute to Protection

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Saphire, Erica Ollmann, Schendel, Sharon L., Fusco, Marnie L., Gangavarapu, Karthik, Gunn, Bronwyn M., Wec, Anna Z., Halfmann, Peter J., Brannan, Jennifer M. +40 more·2018·Cell

Abstract

Antibodies are promising post-exposure therapies against emerging viruses, but which antibody features and in vitro assays best forecast protection are unclear. Our international consortium systematically evaluated antibodies against Ebola virus (EBOV) using multidisciplinary assays. For each antibody, we evaluated epitopes recognized on the viral surface glycoprotein (GP) and secreted glycoprotein (sGP), readouts of multiple neutralization assays, fraction of virions left un-neutralized, glycan structures, phagocytic and natural killer cell functions elicited, and in vivo protection in a mouse challenge model. Neutralization and induction of multiple immune effector functions (IEFs) correlated most strongly with protection. Neutralization predominantly occurred via epitopes maintained on endosomally cleaved GP, whereas maximal IEF mapped to epitopes farthest from the viral membrane. Unexpectedly, sGP cross-reactivity did not significantly influence in vivo protection. This comprehensive dataset provides a rubric to evaluate novel antibodies and vaccine responses and a roadmap for therapeutic development for EBOV and related viruses.

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Crossref · 10.1016/j.cell.2018.07.033

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  • Non-neutralizing binding antibodies have shown protective effects in many viral infections.

    “Binding, non-neutralizing antibodies have also been shown to have a protective effect in many viral infections (Asthagiri Arunkumar et al., 2019; DiLillo et al., 2014; Saphire et al., 2018)”

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Authors
Saphire, E. O., Schendel, S. L., Fusco, M. L., Gangavarapu, K., Gunn, B. M., Wec, A. Z., Halfmann, P. J., Brannan, J. M., Herbert, A. S., Qiu, X., Wagh, K., He, S., Giorgi, E. E., Theiler, J., Pommert, K. B. J., Krause, T. B., Turner, H. L., Murin, C. D., Pallesen, J., Davidson, E., Ahmed, R., Aman, M. J., Bukreyev, A., Burton, D. R., Crowe, J. E., Davis, C. W., Georgiou, G., Krammer, F., Kyratsous, C. A., Lai, J. R., Nykiforuk, C., Pauly, M. H., Rijal, P., Takada, A., Townsend, A. R., Volchkov, V., Walker, L. M., Wang, C.-I., Zeitlin, L., Doranz, B. J., Ward, A. B., Korber, B., Kobinger, G. P., Andersen, K. G., Kawaoka, Y., Alter, G., Chandran, K., & Dye, J. M.
Affiliations
  • Scripps Research Institute (US)
  • Ragon Institute of MGH, MIT and Harvard (US)
  • Albert Einstein College of Medicine (US)
  • University of Wisconsin–Madison (US)
  • United States Army Medical Research Institute of Infectious Diseases (US)
  • Public Health Agency of Canada (CA)
  • Los Alamos National Laboratory (US)
  • Integral Molecular (United States) (US)
  • Emory University (US)
  • Integrated BioTherapeutics (United States) (US)
  • The University of Texas Medical Branch at Galveston (US)
  • Vanderbilt University Medical Center (US)
  • The University of Texas at Austin (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Regeneron (United States) (US)
  • Emergent BioSolutions (Canada) (CA)
  • Mapp Biopharmaceutical (United States) (US)
  • University of Oxford (GB)
  • Hokkaido University (JP)
  • Centre National de la Recherche Scientifique (FR)
  • Adimab (United States) (US)
  • Agency for Science, Technology and Research (SG)
  • Université Laval (CA)
Corresponding author
  • Saphire, Erica Ollmann
  • Kobinger, Gary P.
  • Andersen, Kristian G.
  • Kawaoka, Yoshihiro
  • Alter, Galit
  • Chandran, Kartik
  • Dye, John M.
Venue
Cell
Publisher
Elsevier BV
Published
2018-08
Volume
174
Issue
4
Pages
938-952.e13
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2885550272
Cited by
212
References
88
Citations by year
2026: 12 · 2025: 15 · 2024: 20 · 2023: 18 · 2022: 18 · 2021: 44 · 2020: 36 · 2019: 41 · 2018: 8
FWCI
24.39
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of Allergy and Infectious Diseases (HHSN272201400058C, U19AI135995, IAF311007)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Outbreaks Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Monoclonal and Polyclonal Antibodies Research
  • Health Sciences › Medicine › Infectious Diseases › Viral Infections and Vectors
Keywords
Ebola virus, monoclonal antibodies, glycoproteins, secreted glycoprotein, antibody neutralization, immune effector functions, epitope mapping, glycan structure, natural killer cells, phagocytosis, mouse challenge protection, cross-reactivity, vaccine response
MeSH terms
Animals, Antibodies, Monoclonal, Epitopes, Female, Immunization, Membrane Glycoproteins, Mice, Inbred BALB C, Treatment Outcome, Hemorrhagic Fever, Ebola, Ebolavirus, Mice

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