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TitlemRNA vaccine-elicited antibodies to SARS-CoV-2 and circulating variants.
Journal, issue, pagesNature, Vol. 592, Issue 7855, Page 616-622, Year 2021
Publish dateFeb 10, 2021
AuthorsZijun Wang / Fabian Schmidt / Yiska Weisblum / Frauke Muecksch / Christopher O Barnes / Shlomo Finkin / Dennis Schaefer-Babajew / Melissa Cipolla / Christian Gaebler / Jenna A Lieberman / Thiago Y Oliveira / Zhi Yang / Morgan E Abernathy / Kathryn E Huey-Tubman / Arlene Hurley / Martina Turroja / Kamille A West / Kristie Gordon / Katrina G Millard / Victor Ramos / Justin Da Silva / Jianliang Xu / Robert A Colbert / Roshni Patel / Juan Dizon / Cecille Unson-O'Brien / Irina Shimeliovich / Anna Gazumyan / Marina Caskey / Pamela J Bjorkman / Rafael Casellas / Theodora Hatziioannou / Paul D Bieniasz / Michel C Nussenzweig /
PubMed AbstractHere we report on the antibody and memory B cell responses of a cohort of 20 volunteers who received the Moderna (mRNA-1273) or Pfizer-BioNTech (BNT162b2) vaccine against SARS-CoV-2. Eight weeks ...Here we report on the antibody and memory B cell responses of a cohort of 20 volunteers who received the Moderna (mRNA-1273) or Pfizer-BioNTech (BNT162b2) vaccine against SARS-CoV-2. Eight weeks after the second injection of vaccine, volunteers showed high levels of IgM and IgG anti-SARS-CoV-2 spike protein (S) and receptor-binding-domain (RBD) binding titre. Moreover, the plasma neutralizing activity and relative numbers of RBD-specific memory B cells of vaccinated volunteers were equivalent to those of individuals who had recovered from natural infection. However, activity against SARS-CoV-2 variants that encode E484K-, N501Y- or K417N/E484K/N501-mutant S was reduced by a small-but significant-margin. The monoclonal antibodies elicited by the vaccines potently neutralize SARS-CoV-2, and target a number of different RBD epitopes in common with monoclonal antibodies isolated from infected donors. However, neutralization by 14 of the 17 most-potent monoclonal antibodies that we tested was reduced or abolished by the K417N, E484K or N501Y mutation. Notably, these mutations were selected when we cultured recombinant vesicular stomatitis virus expressing SARS-CoV-2 S in the presence of the monoclonal antibodies elicited by the vaccines. Together, these results suggest that the monoclonal antibodies in clinical use should be tested against newly arising variants, and that mRNA vaccines may need to be updated periodically to avoid a potential loss of clinical efficacy.
External linksNature / PubMed:33567448 / PubMed Central
MethodsEM (single particle)
Resolution5.0 - 6.5 Å
Structure data

EMDB-23393:
Structure of the SARS-CoV-2 spike trimer in complex with mRNA vaccine induced neutralizing antibody C601
Method: EM (single particle) / Resolution: 6.5 Å

EMDB-23394:
Structure of the SARS-CoV-2 spike trimer in complex with mRNA vaccine induced neutralizing antibody C603
Method: EM (single particle) / Resolution: 6.4 Å

EMDB-23395:
Structure of the SARS-CoV-2 spike trimer in complex with mRNA vaccine induced neutralizing antibody C643
Method: EM (single particle) / Resolution: 5.0 Å

EMDB-23396:
Structure of the SARS-CoV-2 spike trimer in complex with mRNA vaccine induced neutralizing antibody C663
Method: EM (single particle) / Resolution: 5.0 Å

EMDB-23397:
Structure of the SARS-CoV-2 spike trimer in complex with mRNA vaccine induced neutralizing antibody C666
Method: EM (single particle) / Resolution: 5.1 Å

Source
  • Severe acute respiratory syndrome coronavirus 2
  • Homo sapiens (human)

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