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Isolation of potent neutralizing antibodies from a survivor of the 2014 Ebola virus outbreak
Author(s) -
Zachary A. Bornholdt,
Hannah L. Turner,
Charles D. Murin,
Wen Li,
Devin Sok,
Colby Souders,
Ashley E. Piper,
Arthur J. Goff,
Joshua D. Shamblin,
Suzanne E. Wollen-Roberts,
Thomas R. Sprague,
Marnie L. Fusco,
Kathleen B. J. Pommert,
Lisa A. Cavacini,
Heidi L. Smith,
Mark S. Klempner,
Keith A. Reimann,
Eric Krauland,
Tillman U. Gerngross,
K. Dane Wittrup,
Erica Ollmann Saphire,
Dennis R. Burton,
Pamela J. Glass,
Andrew B. Ward,
Laura M. Walker
Publication year - 2016
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.aad5788
Subject(s) - ebola virus , virology , outbreak , monoclonal antibody , antibody , ebolavirus , virus , isolation (microbiology) , neutralizing antibody , biology , medicine , immunology , microbiology and biotechnology
Antibodies targeting the Ebola virus surface glycoprotein (EBOV GP) are implicated in protection against lethal disease, but the characteristics of the human antibody response to EBOV GP remain poorly understood. We isolated and characterized 349 GP-specific monoclonal antibodies (mAbs) from the peripheral B cells of a convalescent donor who survived the 2014 EBOV Zaire outbreak. Remarkably, 77% of the mAbs neutralize live EBOV, and several mAbs exhibit unprecedented potency. Structures of selected mAbs in complex with GP reveal a site of vulnerability located in the GP stalk region proximal to the viral membrane. Neutralizing antibodies targeting this site show potent therapeutic efficacy against lethal EBOV challenge in mice. The results provide a framework for the design of new EBOV vaccine candidates and immunotherapies.

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