Reduced neutralization of SARS-CoV-2 B.1.1.7 variant by convalescent and vaccine sera.
Animals
Antibodies, Monoclonal
/ immunology
Antibodies, Neutralizing
/ blood
Antibodies, Viral
/ blood
CHO Cells
COVID-19
/ epidemiology
Chlorocebus aethiops
Cricetulus
HEK293 Cells
Humans
Pandemics
Protein Binding
SARS-CoV-2
/ immunology
Spike Glycoprotein, Coronavirus
/ immunology
Structure-Activity Relationship
Vero Cells
B.1.1.7
IGHV3-53
Kent
SARS-CoV-2
antibody
escape
neutralization
variant
Journal
Cell
ISSN: 1097-4172
Titre abrégé: Cell
Pays: United States
ID NLM: 0413066
Informations de publication
Date de publication:
15 04 2021
15 04 2021
Historique:
received:
29
01
2021
revised:
06
02
2021
accepted:
13
02
2021
pubmed:
22
3
2021
medline:
29
4
2021
entrez:
21
3
2021
Statut:
ppublish
Résumé
SARS-CoV-2 has caused over 2 million deaths in little over a year. Vaccines are being deployed at scale, aiming to generate responses against the virus spike. The scale of the pandemic and error-prone virus replication is leading to the appearance of mutant viruses and potentially escape from antibody responses. Variant B.1.1.7, now dominant in the UK, with increased transmission, harbors 9 amino acid changes in the spike, including N501Y in the ACE2 interacting surface. We examine the ability of B.1.1.7 to evade antibody responses elicited by natural SARS-CoV-2 infection or vaccination. We map the impact of N501Y by structure/function analysis of a large panel of well-characterized monoclonal antibodies. B.1.1.7 is harder to neutralize than parental virus, compromising neutralization by some members of a major class of public antibodies through light-chain contacts with residue 501. However, widespread escape from monoclonal antibodies or antibody responses generated by natural infection or vaccination was not observed.
Identifiants
pubmed: 33743891
pii: S0092-8674(21)00222-1
doi: 10.1016/j.cell.2021.02.033
pmc: PMC7891044
pii:
doi:
Substances chimiques
Antibodies, Monoclonal
0
Antibodies, Neutralizing
0
Antibodies, Viral
0
Spike Glycoprotein, Coronavirus
0
spike protein, SARS-CoV-2
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
2201-2211.e7Subventions
Organisme : Wellcome Trust
ID : 203224/Z/16/Z
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/V028448/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/N00065X/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/V001329/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/L018942/1
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 109965/Z/15/Z
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Medical Research Council
ID : MC_PC_19055
Pays : United Kingdom
Commentaires et corrections
Type : CommentIn
Informations de copyright
Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests G.R.S. sits on the GSK Vaccines Scientific Advisory Board. Oxford University holds intellectual property related to the Oxford-AstraZeneca vaccine. A.J.P. is Chair of UK Department Health and Social Care’s (DHSC) Joint Committee on Vaccination & Immunisation (JCVI) but does not participate in the JCVI COVID19 committee and is a member of the WHO’s SAGE. S.G. is co-founder of Vaccitech (collaborators in the early development of this vaccine candidate) and named as an inventor on a patent covering use of ChAdOx1-vectored vaccines and a patent application covering this SARS-CoV-2 vaccine. T.L. is named as an inventor on a patent application covering this SARS-CoV-2 vaccine and consultant to Vaccitech. The views expressed in this article do not necessarily represent the views of DHSC, JCVI, or WHO. The University of Oxford has entered into a partnership with AstraZeneca on coronavirus vaccine development. The University of Oxford has protected intellectual property disclosed in this publication.
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