Human neutralizing antibodies to cold linear epitopes and to subdomain 1 of SARS-CoV-2
Emergence of SARS-CoV-2 variants diminishes the efficacy of vaccines and antiviral monoclonal antibodies. Continued development of immunotherapies and vaccine immunogens resilient to viral evolution is therefore necessary. Using coldspot-guided antibody discovery, a screening approach that focuses on portions of the virus spike that are both functionally relevant and averse to change, we identified human neutralizing antibodies to highly conserved viral epitopes. Antibody fp.006 binds the fusion peptide and cross-reacts against coronaviruses of the four genera , including the nine human coronaviruses, through recognition of a conserved motif that includes the S2' site of proteolytic cleavage. Antibody hr2.016 targets the stem helix and neutralizes SARS-CoV-2 variants. Antibody sd1.040 binds to subdomain 1, synergizes with antibody rbd.042 for neutralization and, like fp.006 and hr2.016, protects mice when present as bispecific antibody. Thus, coldspot-guided antibody discovery reveals donor-derived neutralizing antibodies that are cross-reactive with Orthocoronavirinae , including SARS-CoV-2 variants.
One sentence summary: Broadly cross-reactive antibodies that protect from SARS-CoV-2 variants are revealed by virus coldspot-driven discovery.
| Errataetall: |
UpdateIn: Sci Immunol. 2023 Jan 26;:eade0958. - PMID 36701425 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2022 |
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| Enthalten in: |
bioRxiv : the preprint server for biology - (2022) vom: 28. Nov. |
| Sprache: |
Englisch |
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Date Revised 14.02.2024 published: Electronic UpdateIn: Sci Immunol. 2023 Jan 26;:eade0958. - PMID 36701425 Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1101/2022.11.24.515932 |
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| PPN (Katalog-ID): |
NLM349952949 |
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| 100 | 1 | |a Bianchini, Filippo |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Human neutralizing antibodies to cold linear epitopes and to subdomain 1 of SARS-CoV-2 |
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| 500 | |a Date Revised 14.02.2024 | ||
| 500 | |a published: Electronic | ||
| 500 | |a UpdateIn: Sci Immunol. 2023 Jan 26;:eade0958. - PMID 36701425 | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Emergence of SARS-CoV-2 variants diminishes the efficacy of vaccines and antiviral monoclonal antibodies. Continued development of immunotherapies and vaccine immunogens resilient to viral evolution is therefore necessary. Using coldspot-guided antibody discovery, a screening approach that focuses on portions of the virus spike that are both functionally relevant and averse to change, we identified human neutralizing antibodies to highly conserved viral epitopes. Antibody fp.006 binds the fusion peptide and cross-reacts against coronaviruses of the four genera , including the nine human coronaviruses, through recognition of a conserved motif that includes the S2' site of proteolytic cleavage. Antibody hr2.016 targets the stem helix and neutralizes SARS-CoV-2 variants. Antibody sd1.040 binds to subdomain 1, synergizes with antibody rbd.042 for neutralization and, like fp.006 and hr2.016, protects mice when present as bispecific antibody. Thus, coldspot-guided antibody discovery reveals donor-derived neutralizing antibodies that are cross-reactive with Orthocoronavirinae , including SARS-CoV-2 variants | ||
| 520 | |a One sentence summary: Broadly cross-reactive antibodies that protect from SARS-CoV-2 variants are revealed by virus coldspot-driven discovery | ||
| 650 | 4 | |a Preprint | |
| 700 | 1 | |a Crivelli, Virginia |e verfasserin |4 aut | |
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