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Title: Broad betacoronavirus neutralization by a stem helix–specific human antibody

Journal Article · · Science
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  1. Humabs Biomed SA, a subsidiary of Vir Biotechnology, 6500 Bellinzona, Switzerland.
  2. Department of Biochemistry, University of Washington, Seattle, WA 98195, USA.
  3. Vir Biotechnology, San Francisco, CA 94158, USA.
  4. Institute for Research in Biomedicine, Università della Svizzera italiana, 6500 Bellinzona, Switzerland.
  5. Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, KU Leuven, 3000 Leuven, Belgium.
  6. Clinical Trial Unit, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland., Division of Clinical Pharmacology and Toxicology, Institute of Pharmacological Sciences of Southern Switzerland, Ente Ospedaliero Cantonale, 6900 Lugano, Switzerland., Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, 8091 Zurich, Switzerland., Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland.
  7. Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland., Department of Medicine, Ente Ospedaliero Cantonale, 6500 Bellinzona, Switzerland., Clinical School, University of New South Wales, Sydney, NSW, 2052, Australia.
  8. Department of Medicine, Ente Ospedaliero Cantonale, 6500 Bellinzona, Switzerland., Faculty of Medicine, University of Zurich, 8057 Zurich, Switzerland.
  9. Faculty of Biomedical Sciences, Università della Svizzera italiana, 6900 Lugano, Switzerland., Department of Medicine, Ente Ospedaliero Cantonale, 6500 Bellinzona, Switzerland.
  10. Intensive Care Unit, Clinica Luganese Moncucco, 6900 Lugano, Switzerland.
  11. Clinic of Internal Medicine and Infectious Diseases, Clinica Luganese Moncucco, 6900 Lugano, Switzerland.
  12. III Division of Infectious Diseases, ASST Fatebenefratelli Sacco, Luigi Sacco Hospital, 20157 Milan, Italy.
  13. Institute for Research in Biomedicine, Università della Svizzera italiana, 6500 Bellinzona, Switzerland., Institute of Microbiology, ETH Zurich, 8093 Zurich, Switzerland.
  14. Vir Biotechnology, San Francisco, CA 94158, USA., UT Southwestern Medical Center, Dallas, TX 75390, USA., Washington University School of Medicine, St. Louis, MO 63110, USA.

Targeting a range of betacoranaviruses In the past 20 years, three highly pathogenic β-coronaviruses have crossed from animals to humans, including the most recent: severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). A spike protein that decorates these viruses has an S1 domain that binds host cell receptors and an S2 domain that fuses the viral and cell membranes to allow cell entry. The S1 domain is the target of many neutralizing antibodies but is more genetically variable than S2, and antibodies can exert selective pressure, leading to resistant variants. Pinto et al . identified five monoclonal antibodies that interact with a helix in the S2 domain. The most broadly neutralizing antibody inhibited all β-coronavirus subgenera and reduced viral burden in hamsters infected with SARS-CoV-2. —VV

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL); University of Washington, Seattle, WA (United States)
Sponsoring Organization:
National Institutes of Health (NIH); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1811721
Journal Information:
Science, Journal Name: Science Journal Issue: 6559 Vol. 373; ISSN 0036-8075
Publisher:
American Association for the Advancement of Science (AAAS)Copyright Statement
Country of Publication:
United States
Language:
English

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