Omicron-B.1.1.529 leads to widespread escape from neutralizing antibody responses
On the 24 th November 2021 the sequence of a new SARS CoV-2 viral isolate spreading rapidly in Southern Africa was announced, containing far more mutations in Spike (S) than previously reported variants. Neutralization titres of Omicron by sera from vaccinees and convalescent subjects infected with early pandemic as well as Alpha, Beta, Gamma, Delta are substantially reduced or fail to neutralize. Titres against Omicron are boosted by third vaccine doses and are high in cases both vaccinated and infected by Delta. Mutations in Omicron knock out or substantially reduce neutralization by most of a large panel of potent monoclonal antibodies and antibodies under commercial development. Omicron S has structural changes from earlier viruses, combining mutations conferring tight binding to ACE2 to unleash evolution driven by immune escape, leading to a large number of mutations in the ACE2 binding site which rebalance receptor affinity to that of early pandemic viruses.
Errataetall: |
UpdateIn: Cell. 2022 Feb 3;185(3):467-484.e15. - PMID 35081335 |
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Medienart: |
E-Artikel |
Erscheinungsjahr: |
2021 |
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2021 |
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Zur Gesamtaufnahme - year:2021 |
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Enthalten in: |
bioRxiv : the preprint server for biology - (2021) vom: 22. Dez. |
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Englisch |
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Date Revised 05.11.2023 published: Electronic UpdateIn: Cell. 2022 Feb 3;185(3):467-484.e15. - PMID 35081335 Citation Status PubMed-not-MEDLINE |
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doi: |
10.1101/2021.12.03.471045 |
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NLM335165036 |
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245 | 1 | 0 | |a Omicron-B.1.1.529 leads to widespread escape from neutralizing antibody responses |
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500 | |a UpdateIn: Cell. 2022 Feb 3;185(3):467-484.e15. - PMID 35081335 | ||
500 | |a Citation Status PubMed-not-MEDLINE | ||
520 | |a On the 24 th November 2021 the sequence of a new SARS CoV-2 viral isolate spreading rapidly in Southern Africa was announced, containing far more mutations in Spike (S) than previously reported variants. Neutralization titres of Omicron by sera from vaccinees and convalescent subjects infected with early pandemic as well as Alpha, Beta, Gamma, Delta are substantially reduced or fail to neutralize. Titres against Omicron are boosted by third vaccine doses and are high in cases both vaccinated and infected by Delta. Mutations in Omicron knock out or substantially reduce neutralization by most of a large panel of potent monoclonal antibodies and antibodies under commercial development. Omicron S has structural changes from earlier viruses, combining mutations conferring tight binding to ACE2 to unleash evolution driven by immune escape, leading to a large number of mutations in the ACE2 binding site which rebalance receptor affinity to that of early pandemic viruses | ||
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