Affiliation:
1. Laboratory of Molecular Biology, National Cancer Institute, Bethesda, MD, USA
Abstract
AbstractSARS-CoV-2 gains entry to human cells through its spike (S) protein binding to angiotensin-converting enzyme 2 (ACE2). Therefore, the receptor binding domain (RBD) of the S protein is the primary target for neutralizing antibodies. Selection of broad-neutralizing antibodies against SARS-CoV-2 and SARS-CoV is attractive and might be useful for treating not only COVID-19 but also future SARS-related CoV infections. Broad-neutralizing antibodies, such as 47D11, S309, and VHH-72, have been reported to target a conserved region in the RBD of the S1 subunit. The S2 subunit required for viral membrane fusion might be another target. Due to their small size and high stability, single-domain antibodies might have the ability to be administered by an inhaler making them potentially attractive therapeutics for respiratory infections. A cocktail strategy combining two (or more) antibodies that recognize different parts of the viral surface that interact with human cells might be the most effective.
Funder
National Institutes of Health
National Cancer Institute
Publisher
Oxford University Press (OUP)
Subject
Immunology,Immunology and Allergy
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