1
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Jacob-Dolan C, Lifton M, Powers OC, Miller J, Hachmann NP, Vu M, Surve N, Mazurek CR, Fisher JL, Rodrigues S, Patio RC, Anand T, Le Gars M, Sadoff J, Schmidt AG, Barouch DH. B cell somatic hypermutation following COVID-19 vaccination with Ad26.COV2.S. iScience 2024; 27:109716. [PMID: 38655202 PMCID: PMC11035370 DOI: 10.1016/j.isci.2024.109716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 02/02/2024] [Accepted: 04/07/2024] [Indexed: 04/26/2024] Open
Abstract
The viral vector-based COVID-19 vaccine Ad26.COV2.S has been recommended by the WHO since 2021 and has been administered to over 200 million people. Prior studies have shown that Ad26.COV2.S induces durable neutralizing antibodies (NAbs) that increase in coverage of variants over time, even in the absence of boosting or infection. Here, we studied humoral responses following Ad26.COV2.S vaccination in individuals enrolled in the initial Phase 1/2a trial of Ad26.COV2.S in 2020. Through 8 months post vaccination, serum NAb responses increased to variants, including B.1.351 (Beta) and B.1.617.2 (Delta), without additional boosting or infection. The level of somatic hypermutation, measured by nucleotide changes in the VDJ region of the heavy and light antibody chains, increased in Spike-specific B cells. Highly mutated mAbs from these sequences neutralized more SARS-CoV-2 variants than less mutated comparators. These findings suggest that the increase in NAb breadth over time following Ad26.COV2.S vaccination is mediated by affinity maturation.
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Affiliation(s)
- Catherine Jacob-Dolan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Department of Microbiology, Boston, MA, USA
- Harvard Medical School, Department of Immunology, Boston, MA, USA
| | - Michelle Lifton
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Olivia C. Powers
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jessica Miller
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Nicole P. Hachmann
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Mya Vu
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
| | - Nehalee Surve
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Camille R. Mazurek
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jana L. Fisher
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Stefanie Rodrigues
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Robert C. Patio
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Trisha Anand
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Mathieu Le Gars
- Janssen Vaccines and Prevention B.V., Leiden, the Netherlands
| | - Jerald Sadoff
- Janssen Vaccines and Prevention B.V., Leiden, the Netherlands
| | - Aaron G. Schmidt
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Department of Microbiology, Boston, MA, USA
| | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Department of Immunology, Boston, MA, USA
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2
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Ray R, Nait Mohamed FA, Maurer DP, Huang J, Alpay BA, Ronsard L, Xie Z, Han J, Fernandez-Quintero M, Phan QA, Ursin RL, Vu M, Kirsch KH, Prum T, Rosado VC, Bracamonte-Moreno T, Okonkwo V, Bals J, McCarthy C, Nair U, Kanekiyo M, Ward AB, Schmidt AG, Batista FD, Lingwood D. Eliciting a single amino acid change by vaccination generates antibody protection against group 1 and group 2 influenza A viruses. Immunity 2024:S1074-7613(24)00143-2. [PMID: 38670113 DOI: 10.1016/j.immuni.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/21/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024]
Abstract
Broadly neutralizing antibodies (bnAbs) targeting the hemagglutinin (HA) stem of influenza A viruses (IAVs) tend to be effective against either group 1 or group 2 viral diversity. In rarer cases, intergroup protective bnAbs can be generated by human antibody paratopes that accommodate the conserved glycan differences between the group 1 and group 2 stems. We applied germline-engaging nanoparticle immunogens to elicit a class of cross-group bnAbs from physiological precursor frequency within a humanized mouse model. Cross-group protection depended on the presence of the human bnAb precursors within the B cell repertoire, and the vaccine-expanded antibodies enriched for an N55T substitution in the CDRH2 loop, a hallmark of the bnAb class. Structurally, this single mutation introduced a flexible fulcrum to accommodate glycosylation differences and could alone enable cross-group protection. Thus, broad IAV immunity can be expanded from the germline repertoire via minimal antigenic input and an exceptionally simple antibody development pathway.
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Affiliation(s)
- Rashmi Ray
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Faez Amokrane Nait Mohamed
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA.
| | - Daniel P Maurer
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Jiachen Huang
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Berk A Alpay
- Systems, Synthetic, and Quantitative Biology Program, Harvard University, Cambridge, MA 02138, USA; Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA
| | - Larance Ronsard
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Zhenfei Xie
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Julianna Han
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Monica Fernandez-Quintero
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA; Department of General, Inorganic and Theoretical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82/III, 6020 Innsbruck, Austria
| | - Quynh Anh Phan
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Rebecca L Ursin
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Mya Vu
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Kathrin H Kirsch
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Thavaleak Prum
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Victoria C Rosado
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Thalia Bracamonte-Moreno
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Vintus Okonkwo
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Julia Bals
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Caitlin McCarthy
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Usha Nair
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Masaru Kanekiyo
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 40 Convent Drive, Bethesda, MD 20892-3005, USA
| | - Andrew B Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Aaron G Schmidt
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
| | - Facundo D Batista
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Department of Biology, The Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Daniel Lingwood
- The Ragon Institute of Mass General, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA.
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3
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Deng Y, Tang M, Ross TM, Schmidt AG, Chakraborty AK, Lingwood D. Repeated vaccination with homologous influenza hemagglutinin broadens human antibody responses to unmatched flu viruses. medRxiv 2024:2024.03.27.24303943. [PMID: 38585939 PMCID: PMC10996724 DOI: 10.1101/2024.03.27.24303943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
The on-going diversification of influenza virus necessicates annual vaccine updating. The vaccine antigen, the viral spike protein hemagglutinin (HA), tends to elicit strain-specific neutralizing activity, predicting that sequential immunization with the same HA strain will boost antibodies with narrow coverage. However, repeated vaccination with homologous SARS-CoV-2 vaccine eventually elicits neutralizing activity against highly unmatched variants, questioning this immunological premise. We evaluated a longitudinal influenza vaccine cohort, where each year the subjects received the same, novel H1N1 2009 pandemic vaccine strain. Repeated vaccination gradually enhanced receptor-blocking antibodies (HAI) to highly unmatched H1N1 strains within individuals with no initial memory recall against these historical viruses. An in silico model of affinity maturation in germinal centers integrated with a model of differentiation and expansion of memory cells provides insight into the mechanisms underlying these results and shows how repeated exposure to the same immunogen can broaden the antibody response against diversified targets.
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4
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Maurer DP, Vu M, Schmidt AG. Antigenic drift expands viral escape pathways from imprinted host humoral immunity. bioRxiv 2024:2024.03.20.585891. [PMID: 38562862 PMCID: PMC10983950 DOI: 10.1101/2024.03.20.585891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
An initial virus exposure can imprint antibodies such that future responses to antigenically drifted strains are dependent on the identity of the imprinting strain. Subsequent exposure to antigenically distinct strains followed by affinity maturation can guide immune responses toward generation of cross-reactive antibodies. How viruses evolve in turn to escape these imprinted broad antibody responses is unclear. Here, we used clonal antibody lineages from two human donors recognizing conserved influenza virus hemagglutinin (HA) epitopes to assess viral escape potential using deep mutational scanning. We show that even though antibody affinity maturation does restrict the number of potential escape routes in the imprinting strain through repositioning the antibody variable domains, escape is still readily observed in drifted strains and attributed to epistatic networks within HA. These data explain how influenza virus continues to evolve in the human population by escaping even broad antibody responses.
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5
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Ying B, Darling TL, Desai P, Liang CY, Dmitriev IP, Soudani N, Bricker T, Kashentseva EA, Harastani H, Raju S, Liu M, Schmidt AG, Curiel DT, Boon ACM, Diamond MS. Author Correction: Mucosal vaccine-induced cross-reactive CD8 + T cells protect against SARS-CoV-2 XBB.1.5 respiratory tract infection. Nat Immunol 2024; 25:578. [PMID: 38360936 PMCID: PMC10907281 DOI: 10.1038/s41590-024-01781-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Affiliation(s)
- Baoling Ying
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Tamarand L Darling
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Pritesh Desai
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Chieh-Yu Liang
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Igor P Dmitriev
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Nadia Soudani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Traci Bricker
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Elena A Kashentseva
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Houda Harastani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Saravanan Raju
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Meizi Liu
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Aaron G Schmidt
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | - David T Curiel
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Adrianus C M Boon
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA.
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA.
- Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St. Louis, MO, USA.
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6
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Ying B, Darling TL, Desai P, Liang CY, Dmitriev IP, Soudani N, Bricker T, Kashentseva EA, Harastani H, Raju S, Liu M, Schmidt AG, Curiel DT, Boon ACM, Diamond MS. Mucosal vaccine-induced cross-reactive CD8 + T cells protect against SARS-CoV-2 XBB.1.5 respiratory tract infection. Nat Immunol 2024; 25:537-551. [PMID: 38337035 PMCID: PMC10907304 DOI: 10.1038/s41590-024-01743-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 01/08/2024] [Indexed: 02/12/2024]
Abstract
A nasally delivered chimpanzee adenoviral-vectored severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine (ChAd-SARS-CoV-2-S) is currently used in India (iNCOVACC). Here, we update this vaccine by creating ChAd-SARS-CoV-2-BA.5-S, which encodes a prefusion-stabilized BA.5 spike protein. Whereas serum neutralizing antibody responses induced by monovalent or bivalent adenoviral vaccines were poor against the antigenically distant XBB.1.5 strain and insufficient to protect in passive transfer experiments, mucosal antibody and cross-reactive memory T cell responses were robust, and protection was evident against WA1/2020 D614G and Omicron variants BQ.1.1 and XBB.1.5 in mice and hamsters. However, depletion of memory CD8+ T cells before XBB.1.5 challenge resulted in loss of protection against upper and lower respiratory tract infection. Thus, nasally delivered vaccines stimulate mucosal immunity against emerging SARS-CoV-2 strains, and cross-reactive memory CD8+ T cells mediate protection against lung infection by antigenically distant strains in the setting of low serum levels of cross-reactive neutralizing antibodies.
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Affiliation(s)
- Baoling Ying
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Tamarand L Darling
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Pritesh Desai
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Chieh-Yu Liang
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Igor P Dmitriev
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Nadia Soudani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Traci Bricker
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Elena A Kashentseva
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Houda Harastani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Saravanan Raju
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Meizi Liu
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Aaron G Schmidt
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, USA
- Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | - David T Curiel
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO, USA
| | - Adrianus C M Boon
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA.
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA.
- Andrew M. and Jane M. Bursky Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO, USA.
- Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St. Louis, MO, USA.
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7
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Hauser B, Sangesland M, Lam EC, St Denis KJ, Sheehan ML, Vu ML, Cheng AH, Sordilla S, Lamson DT, Almawi AW, Balazs AB, Lingwood D, Schmidt AG. Heterologous Sarbecovirus Receptor Binding Domains as Scaffolds for SARS-CoV-2 Receptor Binding Motif Presentation. ACS Infect Dis 2024; 10:553-561. [PMID: 38281136 PMCID: PMC10862550 DOI: 10.1021/acsinfecdis.3c00483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 01/30/2024]
Abstract
Structure-guided rational immunogen design can generate optimized immunogens that elicit a desired humoral response. Design strategies often center on targeting conserved sites on viral glycoproteins that will ultimately confer potent neutralization. For SARS-CoV-2 (SARS-2), the surface-exposed spike glycoprotein includes a broadly conserved portion, the receptor binding motif (RBM), that is required to engage the host cellular receptor, ACE2. Expanding humoral responses to this site may result in a more potent neutralizing antibody response against diverse sarbecoviruses. Here, we used a "resurfacing" approach and iterative design cycles to graft the SARS-2 RBM onto heterologous sarbecovirus scaffolds. The scaffolds were selected to vary the antigenic distance relative to SARS-2 to potentially focus responses to RBM. Multimerized versions of these immunogens elicited broad neutralization against sarbecoviruses in the context of preexisting SARS-2 immunity. These validated engineering approaches can help inform future immunogen design efforts for sarbecoviruses and are generally applicable to other viruses.
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Affiliation(s)
- Blake
M. Hauser
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Maya Sangesland
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Evan C. Lam
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Kerri J. St Denis
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Maegan L. Sheehan
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Mya L. Vu
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Agnes H. Cheng
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Sophia Sordilla
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Dana Thornlow Lamson
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
- Department
of Microbiology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Ahmad W. Almawi
- Center
for Molecular Interactions, Department of Biological Chemistry and
Molecular Pharmacology, Harvard Medical
School, Boston, Massachusetts 02115, United States
| | - Alejandro B. Balazs
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Daniel Lingwood
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Aaron G. Schmidt
- Ragon
Institute of Mass General, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
- Department
of Microbiology, Harvard Medical School, Boston, Massachusetts 02115, United States
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8
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Wamhoff EC, Ronsard L, Feldman J, Knappe GA, Hauser BM, Romanov A, Case JB, Sanapala S, Lam EC, Denis KJS, Boucau J, Barczak AK, Balazs AB, Diamond MS, Schmidt AG, Lingwood D, Bathe M. Enhancing antibody responses by multivalent antigen display on thymus-independent DNA origami scaffolds. Nat Commun 2024; 15:795. [PMID: 38291019 PMCID: PMC10828404 DOI: 10.1038/s41467-024-44869-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/08/2024] [Indexed: 02/01/2024] Open
Abstract
Protein-based virus-like particles (P-VLPs) are commonly used to spatially organize antigens and enhance humoral immunity through multivalent antigen display. However, P-VLPs are thymus-dependent antigens that are themselves immunogenic and can induce B cell responses that may neutralize the platform. Here, we investigate thymus-independent DNA origami as an alternative material for multivalent antigen display using the receptor binding domain (RBD) of the SARS-CoV-2 spike protein, the primary target of neutralizing antibody responses. Sequential immunization of mice with DNA-based VLPs (DNA-VLPs) elicits protective neutralizing antibodies to SARS-CoV-2 in a manner that depends on the valency of the antigen displayed and on T cell help. Importantly, the immune sera do not contain boosted, class-switched antibodies against the DNA scaffold, in contrast to P-VLPs that elicit strong B cell memory against both the target antigen and the scaffold. Thus, DNA-VLPs enhance target antigen immunogenicity without generating scaffold-directed immunity and thereby offer an important alternative material for particulate vaccine design.
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Affiliation(s)
- Eike-Christian Wamhoff
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Larance Ronsard
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Jared Feldman
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Grant A Knappe
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Blake M Hauser
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Anna Romanov
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - James Brett Case
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Shilpa Sanapala
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Evan C Lam
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Kerri J St Denis
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Julie Boucau
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Amy K Barczak
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Alejandro B Balazs
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, 63110, USA
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, 63110, USA
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Aaron G Schmidt
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA.
- Department of Microbiology, Harvard Medical School, Boston, MA, 02115, USA.
| | - Daniel Lingwood
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, Cambridge, MA, 02139, USA.
| | - Mark Bathe
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Broad Institute of MIT and Harvard, Cambridge, MA, 02139, USA.
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA, 02115, USA.
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9
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Zhu DYD, Maurer DP, Castrillon C, Deng Y, Mohamed FAN, Ma M, Schmidt AG, Lingwood D, Carroll MC. Lupus-associated innate receptors drive extrafollicular evolution of autoreactive B cells. bioRxiv 2024:2024.01.09.574739. [PMID: 38260501 PMCID: PMC10802414 DOI: 10.1101/2024.01.09.574739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
In systemic lupus erythematosus, recent findings highlight the extrafollicular (EF) pathway as prominent origin of autoantibody-secreting cells (ASCs). CD21loCD11c+ B cells, associated with aging, infection, and autoimmunity, are contributors to autoreactive EF ASCs but have an obscure developmental trajectory. To study EF kinetics of autoreactive B cell in tissue, we adoptively transferred WT and gene knockout B cell populations into the 564Igi mice - an autoreactive host enriched with autoantigens and T cell help. Time-stamped analyses revealed TLR7 dependence in early escape of peripheral B cell tolerance and establishment of a pre-ASC division program. We propose CD21lo cells as precursors to EF ASCs due to their elevated TLR7 sensitivity and proliferative nature. Blocking receptor function reversed CD21 loss and reduced effector cell generation, portraying CD21 as a differentiation initiator and a possible target for autoreactive B cell suppression. Repertoire analysis further delineated proto-autoreactive B cell selection and receptor evolution toward self-reactivity. This work elucidates receptor and clonal dynamics in EF development of autoreactive B cells, and establishes modular, native systems to probe mechanisms of autoreactivity.
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Affiliation(s)
- Danni Yi-Dan Zhu
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Harvard Graduate Program in Virology, Boston, MA 02115, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Daniel P Maurer
- Harvard Graduate Program in Virology, Boston, MA 02115, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Carlos Castrillon
- Department of Medicine, Emory University School of Medicine, Atlanta, GA 30307, USA
| | - Yixiang Deng
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA
| | | | - Minghe Ma
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Aaron G Schmidt
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Daniel Lingwood
- Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Michael C Carroll
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
- Department of Pediatrics, Harvard Medical School, Boston, MA 02115, USA
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10
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Curtis NC, Shin S, Hederman AP, Connor RI, Wieland-Alter WF, Ionov S, Boylston J, Rose J, Sakharkar M, Dorman DB, Dessaint JA, Gwilt LL, Crowley AR, Feldman J, Hauser BM, Schmidt AG, Ashare A, Walker LM, Wright PF, Ackerman ME, Lee J. Characterization of SARS-CoV-2 Convalescent Patients' Serological Repertoire Reveals High Prevalence of Iso-RBD Antibodies. bioRxiv 2023:2023.09.08.556349. [PMID: 37745524 PMCID: PMC10515772 DOI: 10.1101/2023.09.08.556349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
While our understanding of SARS-CoV-2 pathogenesis and antibody responses following infection and vaccination has improved tremendously since the outbreak in 2019, the sequence identities and relative abundances of the individual constituent antibody molecules in circulation remain understudied. Using Ig-Seq, we proteomically profiled the serological repertoire specific to the whole ectodomain of SARS-CoV-2 prefusion-stabilized spike (S) as well as to the receptor binding domain (RBD) over a 6-month period in four subjects following SARS-CoV-2 infection before SARS-CoV-2 vaccines were available. In each individual, we identified between 59 and 167 unique IgG clonotypes in serum. To our surprise, we discovered that ∼50% of serum IgG specific for RBD did not recognize prefusion-stabilized S (referred to as iso-RBD antibodies), suggesting that a significant fraction of serum IgG targets epitopes on RBD inaccessible on the prefusion-stabilized conformation of S. On the other hand, the abundance of iso-RBD antibodies in nine individuals who received mRNA-based COVID-19 vaccines encoding prefusion-stabilized S was significantly lower (∼8%). We expressed a panel of 12 monoclonal antibodies (mAbs) that were abundantly present in serum from two SARS-CoV-2 infected individuals, and their binding specificities to prefusion-stabilized S and RBD were all in agreement with the binding specificities assigned based on the proteomics data, including 1 iso-RBD mAb which bound to RBD but not to prefusion-stabilized S. 2 of 12 mAbs demonstrated neutralizing activity, while other mAbs were non-neutralizing. 11 of 12 mAbs also bound to S (B.1.351), but only 1 maintained binding to S (B.1.1.529). This particular mAb binding to S (B.1.1.529) 1) represented an antibody lineage that comprised 43% of the individual's total S-reactive serum IgG binding titer 6 months post-infection, 2) bound to the S from a related human coronavirus, HKU1, and 3) had a high somatic hypermutation level (10.9%), suggesting that this antibody lineage likely had been elicited previously by pre-pandemic coronavirus and was re-activated following the SARS-CoV-2 infection. All 12 mAbs demonstrated their ability to engage in Fc-mediated effector function activities. Collectively, our study provides a quantitative overview of the serological repertoire following SARS-CoV-2 infection and the significant contribution of iso-RBD antibodies, demonstrating how vaccination strategies involving prefusion-stabilized S may have reduced the elicitation of iso-RBD serum antibodies which are unlikely to contribute to protection.
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11
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Hauser BM, Sangesland M, Lam EC, Denis KJS, Sheehan ML, Vu ML, Cheng AH, Balazs AB, Lingwood D, Schmidt AG. Heterologous sarbecovirus receptor binding domains as scaffolds for SARS-CoV-2 receptor binding motif presentation. bioRxiv 2023:2023.08.21.554179. [PMID: 37662405 PMCID: PMC10473630 DOI: 10.1101/2023.08.21.554179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
Structure-guided rational immunogen design can generate optimized immunogens that elicit a desired humoral response. Design strategies often center upon targeting conserved sites on viral glycoproteins that will ultimately confer potent neutralization. For SARS-CoV-2 (SARS-2), the surface-exposed spike glycoprotein includes a broadly conserved portion, the receptor binding motif (RBM), that is required to engage the host cellular receptor, ACE2. Expanding humoral responses to this site may result in a more potently neutralizing antibody response against diverse sarbecoviruses. Here, we used a "resurfacing" approach and iterative design cycles to graft the SARS-2 RBM onto heterologous sarbecovirus scaffolds. The scaffolds were selected to vary the antigenic distance relative to SARS-2 to potentially focus responses to RBM. Multimerized versions of these immunogens elicited broad neutralization against sarbecoviruses in the context of preexisting SARS-2 immunity. These validated engineering approaches can help inform future immunogen design efforts for sarbecoviruses and are generally applicable to other viruses.
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Affiliation(s)
- Blake M. Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Maya Sangesland
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Evan C. Lam
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | | | - Mya L. Vu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Agnes H. Cheng
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
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12
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Wuo M, Dugan AE, Halim M, Hauser BM, Feldman J, Caradonna TM, Zhang S, Pepi LE, Atyeo C, Fischinger S, Alter G, Garcia-Beltran WF, Azadi P, Hung D, Schmidt AG, Kiessling LL. Lectin Fingerprinting Distinguishes Antibody Neutralization in SARS-CoV-2. ACS Cent Sci 2023; 9:947-956. [PMID: 37252360 PMCID: PMC10214521 DOI: 10.1021/acscentsci.2c01471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Indexed: 05/31/2023]
Abstract
Enveloped viruses co-opt host glycosylation pathways to decorate their surface proteins. As viruses evolve, emerging strains can modify their glycosylation patterns to influence host interactions and subvert immune recognition. Still, changes in viral glycosylation or their impact on antibody protection cannot be predicted from genomic sequences alone. Using the highly glycosylated SARS-CoV-2 Spike protein as a model system, we present a lectin fingerprinting method that rapidly reports on changes in variant glycosylation state, which are linked to antibody neutralization. In the presence of antibodies or convalescent and vaccinated patient sera, unique lectin fingerprints emerge that distinguish neutralizing versus non-neutralizing antibodies. This information could not be inferred from direct binding interactions between antibodies and the Spike receptor-binding domain (RBD) binding data alone. Comparative glycoproteomics of the Spike RBD of wild-type (Wuhan-Hu-1) and Delta (B.1.617.2) variants reveal O-glycosylation differences as a key determinant of immune recognition differences. These data underscore the interplay between viral glycosylation and immune recognition and reveal lectin fingerprinting to be a rapid, sensitive, and high-throughput assay to distinguish the neutralization potential of antibodies that target critical viral glycoproteins.
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Affiliation(s)
- Michael
G. Wuo
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Amanda E. Dugan
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Melanie Halim
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Blake M. Hauser
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Jared Feldman
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Timothy M. Caradonna
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Shuting Zhang
- The
Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Department
of Molecular Biology and Center for Computational and Integrative
Biology, Massachusetts General Hospital, Boston, Massachusetts 02139, United States
- Department
of Genetics, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Lauren E. Pepi
- Complex
Carbohydrate Research Center, University
of Georgia, Athens, Georgia 30602, United States
| | - Caroline Atyeo
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Stephanie Fischinger
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Galit Alter
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | | | - Parastoo Azadi
- Complex
Carbohydrate Research Center, University
of Georgia, Athens, Georgia 30602, United States
| | - Deb Hung
- The
Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Department
of Molecular Biology and Center for Computational and Integrative
Biology, Massachusetts General Hospital, Boston, Massachusetts 02139, United States
- Department
of Genetics, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Aaron G. Schmidt
- Ragon
Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
- Department
of Microbiology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Laura L. Kiessling
- Department
of Chemistry, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
- The
Broad Institute of MIT and Harvard, Cambridge, Massachusetts 02142, United States
- Koch
Institute for Integrative Cancer Research, MIT, Cambridge, Massachusetts 02139, United States
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13
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Ying B, Darling TL, Desai P, Liang CY, Dmitriev IP, Soudani N, Bricker T, Kashentseva EA, Harastani H, Schmidt AG, Curiel DT, Boon AC, Diamond MS. A bivalent ChAd nasal vaccine protects against SARS-CoV-2 BQ.1.1 and XBB.1.5 infection and disease in mice and hamsters. bioRxiv 2023:2023.05.04.539332. [PMID: 37205450 PMCID: PMC10187308 DOI: 10.1101/2023.05.04.539332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We previously described a nasally delivered monovalent adenoviral-vectored SARS-CoV-2 vaccine (ChAd-SARS-CoV-2-S, targeting Wuhan-1 spike [S]; iNCOVACC®) that is currently used in India as a primary or booster immunization. Here, we updated the mucosal vaccine for Omicron variants by creating ChAd-SARS-CoV-2-BA.5-S, which encodes for a pre-fusion and surface-stabilized S protein of the BA.5 strain, and then tested monovalent and bivalent vaccines for efficacy against circulating variants including BQ.1.1 and XBB.1.5. Whereas monovalent ChAd-vectored vaccines effectively induced systemic and mucosal antibody responses against matched strains, the bivalent ChAd-vectored vaccine elicited greater breadth. However, serum neutralizing antibody responses induced by both monovalent and bivalent vaccines were poor against the antigenically distant XBB.1.5 Omicron strain and did not protect in passive transfer experiments. Nonetheless, nasally delivered bivalent ChAd-vectored vaccines induced robust antibody and spike-specific memory T cell responses in the respiratory mucosa, and conferred protection against WA1/2020 D614G and Omicron variants BQ.1.1 and XBB.1.5 in the upper and lower respiratory tracts of both mice and hamsters. Our data suggest that a nasally delivered bivalent adenoviral-vectored vaccine induces protective mucosal and systemic immunity against historical and emerging SARS-CoV-2 strains without requiring high levels of serum neutralizing antibody.
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Affiliation(s)
- Baoling Ying
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Tamarand L. Darling
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Pritesh Desai
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Chieh-Yu Liang
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO
| | - Igor P. Dmitriev
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
| | - Nadia Soudani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO
| | - Traci Bricker
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Elena A. Kashentseva
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
| | - Houda Harastani
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA; Department of Microbiology, Harvard Medical School, Boston, MA
- Department of Microbiology, Harvard Medical School, Boston, MA
| | - David T. Curiel
- Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO
| | - Adrianus C.M. Boon
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO
- Andrew M. and Jane M. Bursky the Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO
| | - Michael S. Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, MO
- Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO
- Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO
- Andrew M. and Jane M. Bursky the Center for Human Immunology and Immunotherapy Programs, Washington University School of Medicine, St. Louis, MO
- Center for Vaccines and Immunity to Microbial Pathogens, Washington University School of Medicine, St. Louis, MO
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14
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Yang L, Caradonna TM, Schmidt AG, Chakraborty AK. Mechanisms that promote the evolution of cross-reactive antibodies upon vaccination with designed influenza immunogens. Cell Rep 2023; 42:112160. [PMID: 36867533 PMCID: PMC10184763 DOI: 10.1016/j.celrep.2023.112160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/18/2022] [Accepted: 02/09/2023] [Indexed: 03/04/2023] Open
Abstract
Immunogens that elicit broadly neutralizing antibodies targeting the conserved receptor-binding site (RBS) on influenza hemagglutinin may serve as candidates for a universal influenza vaccine. Here, we develop a computational model to interrogate antibody evolution by affinity maturation after immunization with two types of immunogens: a heterotrimeric "chimera" hemagglutinin that is enriched for the RBS epitope relative to other B cell epitopes and a cocktail composed of three non-epitope-enriched homotrimers of the monomers that comprise the chimera. Experiments in mice find that the chimera outperforms the cocktail for eliciting RBS-directed antibodies. We show that this result follows from an interplay between how B cells engage these antigens and interact with diverse helper T cells and requires T cell-mediated selection of germinal center B cells to be a stringent constraint. Our results shed light on antibody evolution and highlight how immunogen design and T cells modulate vaccination outcomes.
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Affiliation(s)
- Leerang Yang
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | | | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Arup K Chakraborty
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Institute of Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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15
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Nanishi E, Borriello F, Seo HS, O’Meara TR, McGrath ME, Saito Y, Chen J, Diray-Arce J, Song K, Xu AZ, Barman S, Menon M, Dong D, Caradonna TM, Feldman J, Hauser BM, Schmidt AG, Baden LR, Ernst RK, Dillen C, Yu J, Chang A, Hilgers L, Platenburg PP, Dhe-Paganon S, Barouch DH, Ozonoff A, Zanoni I, Frieman MB, Dowling DJ, Levy O. Carbohydrate fatty acid monosulphate: oil-in-water adjuvant enhances SARS-CoV-2 RBD nanoparticle-induced immunogenicity and protection in mice. NPJ Vaccines 2023; 8:18. [PMID: 36788219 PMCID: PMC9927065 DOI: 10.1038/s41541-023-00610-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/24/2023] [Indexed: 02/16/2023] Open
Abstract
Development of SARS-CoV-2 vaccines that protect vulnerable populations is a public health priority. Here, we took a systematic and iterative approach by testing several adjuvants and SARS-CoV-2 antigens to identify a combination that elicits antibodies and protection in young and aged mice. While demonstrating superior immunogenicity to soluble receptor-binding domain (RBD), RBD displayed as a protein nanoparticle (RBD-NP) generated limited antibody responses. Comparison of multiple adjuvants including AddaVax, AddaS03, and AS01B in young and aged mice demonstrated that an oil-in-water emulsion containing carbohydrate fatty acid monosulphate derivative (CMS:O/W) most effectively enhanced RBD-NP-induced cross-neutralizing antibodies and protection across age groups. CMS:O/W enhanced antigen retention in the draining lymph node, induced injection site, and lymph node cytokines, with CMS inducing MyD88-dependent Th1 cytokine polarization. Furthermore, CMS and O/W synergistically induced chemokine production from human PBMCs. Overall, CMS:O/W adjuvant may enhance immunogenicity and protection of vulnerable populations against SARS-CoV-2 and other infectious pathogens.
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Affiliation(s)
- Etsuro Nanishi
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA
| | - Francesco Borriello
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA ,grid.2515.30000 0004 0378 8438Division of Immunology, Boston Children’s Hospital, Boston, MA USA ,Present Address: Generate Biomedicines, Cambridge, MA USA
| | - Hyuk-Soo Seo
- grid.65499.370000 0001 2106 9910Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA USA
| | - Timothy R. O’Meara
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA
| | - Marisa E. McGrath
- grid.411024.20000 0001 2175 4264Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, MD USA
| | - Yoshine Saito
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA
| | - Jing Chen
- grid.2515.30000 0004 0378 8438Research Computing Group, Boston Children’s Hospital, Boston, MA USA
| | - Joann Diray-Arce
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA
| | - Kijun Song
- grid.65499.370000 0001 2106 9910Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA USA
| | - Andrew Z. Xu
- grid.65499.370000 0001 2106 9910Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA USA
| | - Soumik Barman
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA
| | - Manisha Menon
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA
| | - Danica Dong
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA
| | - Timothy M. Caradonna
- grid.461656.60000 0004 0489 3491Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA USA
| | - Jared Feldman
- grid.461656.60000 0004 0489 3491Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA USA
| | - Blake M. Hauser
- grid.461656.60000 0004 0489 3491Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA USA
| | - Aaron G. Schmidt
- grid.461656.60000 0004 0489 3491Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA USA ,grid.38142.3c000000041936754XDepartment of Microbiology, Harvard Medical School, Boston, MA USA
| | - Lindsey R. Baden
- grid.62560.370000 0004 0378 8294Department of Medicine, Brigham and Women’s Hospital, Boston, MA USA
| | - Robert K. Ernst
- grid.411024.20000 0001 2175 4264Department of Microbial Pathogenesis, University of Maryland School of Dentistry, Baltimore, MD USA
| | - Carly Dillen
- grid.411024.20000 0001 2175 4264Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, MD USA
| | - Jingyou Yu
- grid.38142.3c000000041936754XCenter for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA USA
| | - Aiquan Chang
- grid.38142.3c000000041936754XCenter for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA USA
| | | | | | - Sirano Dhe-Paganon
- grid.65499.370000 0001 2106 9910Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA USA
| | - Dan H. Barouch
- grid.38142.3c000000041936754XCenter for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA USA
| | - Al Ozonoff
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA ,grid.66859.340000 0004 0546 1623Broad Institute of MIT & Harvard, Cambridge, MA USA
| | - Ivan Zanoni
- grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA ,grid.2515.30000 0004 0378 8438Division of Immunology, Boston Children’s Hospital, Boston, MA USA
| | - Matthew B. Frieman
- grid.411024.20000 0001 2175 4264Department of Microbiology and Immunology, Center for Pathogen Research, University of Maryland School of Medicine, Baltimore, MD USA
| | - David J. Dowling
- grid.2515.30000 0004 0378 8438Precision Vaccines Program, Boston Children’s Hospital, Boston, MA USA ,grid.38142.3c000000041936754XDepartment of Pediatrics, Harvard Medical School, Boston, MA USA
| | - Ofer Levy
- Precision Vaccines Program, Boston Children's Hospital, Boston, MA, USA. .,Department of Pediatrics, Harvard Medical School, Boston, MA, USA. .,Broad Institute of MIT & Harvard, Cambridge, MA, USA.
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16
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Phillips AM, Maurer DP, Brooks C, Dupic T, Schmidt AG, Desai MM. Hierarchical sequence-affinity landscapes shape the evolution of breadth in an anti-influenza receptor binding site antibody. eLife 2023; 12:83628. [PMID: 36625542 PMCID: PMC9995116 DOI: 10.7554/elife.83628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 01/09/2023] [Indexed: 01/11/2023] Open
Abstract
Broadly neutralizing antibodies (bnAbs) that neutralize diverse variants of a particular virus are of considerable therapeutic interest. Recent advances have enabled us to isolate and engineer these antibodies as therapeutics, but eliciting them through vaccination remains challenging, in part due to our limited understanding of how antibodies evolve breadth. Here, we analyze the landscape by which an anti-influenza receptor binding site (RBS) bnAb, CH65, evolved broad affinity to diverse H1 influenza strains. We do this by generating an antibody library of all possible evolutionary intermediates between the unmutated common ancestor (UCA) and the affinity-matured CH65 antibody and measure the affinity of each intermediate to three distinct H1 antigens. We find that affinity to each antigen requires a specific set of mutations - distributed across the variable light and heavy chains - that interact non-additively (i.e., epistatically). These sets of mutations form a hierarchical pattern across the antigens, with increasingly divergent antigens requiring additional epistatic mutations beyond those required to bind less divergent antigens. We investigate the underlying biochemical and structural basis for these hierarchical sets of epistatic mutations and find that epistasis between heavy chain mutations and a mutation in the light chain at the VH-VL interface is essential for binding a divergent H1. Collectively, this is the first work to comprehensively characterize epistasis between heavy and light chain mutations and shows that such interactions are both strong and widespread. Together with our previous study analyzing a different class of anti-influenza antibodies, our results implicate epistasis as a general feature of antibody sequence-affinity landscapes that can potentiate and constrain the evolution of breadth.
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Affiliation(s)
- Angela M Phillips
- Department of Organismic and Evolutionary Biology, Harvard UniversityCambridgeUnited States
- Department of Microbiology and Immunology, University of California, San FranciscoSan FranciscoUnited States
| | - Daniel P Maurer
- Ragon Institute of MGH, MIT, and HarvardCambridgeUnited States
- Department of Microbiology, Harvard Medical SchoolBostonUnited States
| | - Caelan Brooks
- Department of Physics, Harvard UniversityCambridgeUnited States
| | - Thomas Dupic
- Department of Organismic and Evolutionary Biology, Harvard UniversityCambridgeUnited States
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and HarvardCambridgeUnited States
- Department of Microbiology, Harvard Medical SchoolBostonUnited States
| | - Michael M Desai
- Department of Organismic and Evolutionary Biology, Harvard UniversityCambridgeUnited States
- Department of Physics, Harvard UniversityCambridgeUnited States
- NSF-Simons Center for Mathematical and Statistical Analysis of Biology, Harvard UniversityCambridgeUnited States
- Quantitative Biology Initiative, Harvard UniversityCambridgeUnited States
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17
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Hauser BM, Feldman J, Sangesland M, Ronsard L, St Denis KJ, Sheehan ML, Cao Y, Boucau J, Windsor IW, Cheng AH, Vu ML, Cardoso MR, Kannegieter T, Balazs AB, Lingwood D, Garcia-Beltran WF, Schmidt AG. Cross-reactive SARS-CoV-2 epitope targeted across donors informs immunogen design. Cell Rep Med 2022; 3:100834. [PMID: 36423634 PMCID: PMC9663748 DOI: 10.1016/j.xcrm.2022.100834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/07/2022] [Accepted: 11/08/2022] [Indexed: 11/17/2022]
Abstract
The emergence of the antigenically distinct and highly transmissible Omicron variant highlights the possibility of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) immune escape due to viral evolution. This continued evolution, along with the possible introduction of new sarbecoviruses from zoonotic reservoirs, may evade host immunity elicited by current SARS-CoV-2 vaccines. Identifying cross-reactive antibodies and defining their epitope(s) can provide templates for rational immunogen design strategies for next-generation vaccines. Here, we characterize the receptor-binding-domain-directed, cross-reactive humoral repertoire across 10 human vaccinated donors. We identify cross-reactive antibodies from diverse gene rearrangements targeting two conserved receptor-binding domain epitopes. An engineered immunogen enriches antibody responses to one of these conserved epitopes in mice with pre-existing SARS-CoV-2 immunity; elicited responses neutralize SARS-CoV-2, variants, and related sarbecoviruses. These data show how immune focusing to a conserved epitope targeted by human cross-reactive antibodies may guide pan-sarbecovirus vaccine development, providing a template for identifying such epitopes and translating to immunogen design.
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Affiliation(s)
- Blake M Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Maya Sangesland
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Larance Ronsard
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Kerri J St Denis
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Maegan L Sheehan
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Yi Cao
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Julie Boucau
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Ian W Windsor
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA
| | - Agnes H Cheng
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Mya L Vu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Ty Kannegieter
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Wilfredo F Garcia-Beltran
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
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18
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Caradonna TM, Ronsard L, Yousif AS, Windsor IW, Hecht R, Bracamonte-Moreno T, Roffler AA, Maron MJ, Maurer DP, Feldman J, Marchiori E, Barnes RM, Rohrer D, Lonberg N, Oguin TH, Sempowski GD, Kepler TB, Kuraoka M, Lingwood D, Schmidt AG. An epitope-enriched immunogen expands responses to a conserved viral site. Cell Rep 2022; 41:111628. [PMID: 36351401 PMCID: PMC9883670 DOI: 10.1016/j.celrep.2022.111628] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 08/22/2022] [Accepted: 10/18/2022] [Indexed: 11/09/2022] Open
Abstract
Pathogens evade host humoral responses by accumulating mutations in surface antigens. While variable, there are conserved regions that cannot mutate without compromising fitness. Antibodies targeting these conserved epitopes are often broadly protective but remain minor components of the repertoire. Rational immunogen design leverages a structural understanding of viral antigens to modulate humoral responses to favor these responses. Here, we report an epitope-enriched immunogen presenting a higher copy number of the influenza hemagglutinin (HA) receptor-binding site (RBS) epitope relative to other B cell epitopes. Immunization in a partially humanized murine model imprinted with an H1 influenza shows H1-specific serum and >99% H1-specific B cells being RBS-directed. Single B cell analyses show a genetically restricted response that structural analysis defines as RBS-directed antibodies engaging the RBS with germline-encoded contacts. These data show how epitope enrichment expands B cell responses toward conserved epitopes and advances immunogen design approaches for next-generation viral vaccines.
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Affiliation(s)
| | - Larance Ronsard
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Ashraf S Yousif
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Rachel Hecht
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Anne A Roffler
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Max J Maron
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Daniel P Maurer
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Elisa Marchiori
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Ralston M Barnes
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Daniel Rohrer
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Nils Lonberg
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Thomas H Oguin
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham NC 27703, USA
| | - Gregory D Sempowski
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham NC 27703, USA
| | - Thomas B Kepler
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118, USA
| | - Masayuki Kuraoka
- Department of Immunology, Duke University, Durham, NC 27710, USA
| | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA.
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
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19
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Binder RA, Fujimori GF, Forconi CS, Reed GW, Silva LS, Lakshmi PS, Higgins A, Cincotta L, Dutta P, Salive MC, Mangolds V, Anya O, Calvo Calle JM, Nixon T, Tang Q, Wessolossky M, Wang Y, Ritacco DA, Bly CS, Fischinger S, Atyeo C, Oluoch PO, Odwar B, Bailey JA, Maldonado-Contreras A, Haran JP, Schmidt AG, Cavacini L, Alter G, Moormann AM. SARS-CoV-2 Serosurveys: How Antigen, Isotype and Threshold Choices Affect the Outcome. J Infect Dis 2022; 227:371-380. [PMID: 36314635 PMCID: PMC9891417 DOI: 10.1093/infdis/jiac431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Evaluating the performance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) serological assays and clearly articulating the utility of selected antigens, isotypes, and thresholds is crucial to understanding the prevalence of infection within selected communities. METHODS This cross-sectional study, implemented in 2020, screened PCRconfirmed coronavirus disease 2019 patients (n 86), banked prepandemic and negative samples (n 96), healthcare workers and family members (n 552), and university employees (n 327) for antiSARS-CoV-2 receptor-binding domain, trimeric spike protein, and nucleocapsid protein immunoglobulin (Ig)G and IgA antibodies with a laboratory-developed enzyme-linked immunosorbent assay and tested how antigen, isotype and threshold choices affected the seroprevalence outcomes. The following threshold methods were evaluated: (i) mean 3 standard deviations of the negative controls; (ii) 100 specificity for each antigen-isotype combination; and (iii) the maximal Youden index. RESULTS We found vastly different seroprevalence estimates depending on selected antigens and isotypes and the applied threshold method, ranging from 0.0 to 85.4. Subsequently, we maximized specificity and reported a seroprevalence, based on more than one antigen, ranging from 9.3 to 25.9. CONCLUSIONS This study revealed the importance of evaluating serosurvey tools for antigen-, isotype-, and threshold-specific sensitivity and specificity, to interpret qualitative serosurvey outcomes reliably and consistently across studies.
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Affiliation(s)
- Raquel A Binder
- Correspondence: Raquel A. Binder, University of Massachusetts Chan Medical School, Worcester, MA 01605 ()
| | | | | | - George W Reed
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Leandro S Silva
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Priya Saikumar Lakshmi
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Amanda Higgins
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Lindsey Cincotta
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Protiva Dutta
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Marie-Claire Salive
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Virginia Mangolds
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Otuwe Anya
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - J Mauricio Calvo Calle
- Department of Pathology, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Thomas Nixon
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Qiushi Tang
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Mireya Wessolossky
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Yang Wang
- MassBiologics, University of Massachusetts Medical School, Boston, Massachusetts, USA
| | - Dominic A Ritacco
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Courtney S Bly
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | | | - Caroline Atyeo
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
| | - Peter O Oluoch
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Boaz Odwar
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Jeffrey A Bailey
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA
| | - Ana Maldonado-Contreras
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - John P Haran
- Department of Emergency Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA,Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA,Department of Microbiology, Harvard Medical School, Boston, Massachusetts, USA
| | - Lisa Cavacini
- MassBiologics, University of Massachusetts Medical School, Boston, Massachusetts, USA
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts, USA
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20
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Tas JMJ, Koo JH, Lin YC, Xie Z, Steichen JM, Jackson AM, Hauser BM, Wang X, Cottrell CA, Torres JL, Warner JE, Kirsch KH, Weldon SR, Groschel B, Nogal B, Ozorowski G, Bangaru S, Phelps N, Adachi Y, Eskandarzadeh S, Kubitz M, Burton DR, Lingwood D, Schmidt AG, Nair U, Ward AB, Schief WR, Batista FD. Antibodies from primary humoral responses modulate the recruitment of naive B cells during secondary responses. Immunity 2022; 55:1856-1871.e6. [PMID: 35987201 PMCID: PMC9350677 DOI: 10.1016/j.immuni.2022.07.020] [Citation(s) in RCA: 48] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/15/2022] [Accepted: 07/27/2022] [Indexed: 01/19/2023]
Abstract
Vaccines generate high-affinity antibodies by recruiting antigen-specific B cells to germinal centers (GCs), but the mechanisms governing the recruitment to GCs on secondary challenges remain unclear. Here, using preclinical SARS-CoV and HIV mouse models, we demonstrated that the antibodies elicited during primary humoral responses shaped the naive B cell recruitment to GCs during secondary exposures. The antibodies from primary responses could either enhance or, conversely, restrict the GC participation of naive B cells: broad-binding, low-affinity, and low-titer antibodies enhanced recruitment, whereas, by contrast, the high titers of high-affinity, mono-epitope-specific antibodies attenuated cognate naive B cell recruitment. Thus, the directionality and intensity of that effect was determined by antibody concentration, affinity, and epitope specificity. Circulating antibodies can, therefore, be important determinants of antigen immunogenicity. Future vaccines may need to overcome-or could, alternatively, leverage-the effects of circulating primary antibodies on subsequent naive B cell recruitment.
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Affiliation(s)
- Jeroen M J Tas
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Ja-Hyun Koo
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Ying-Cing Lin
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Zhenfei Xie
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Jon M Steichen
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Abigail M Jackson
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Blake M Hauser
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Xuesong Wang
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Christopher A Cottrell
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Jonathan L Torres
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - John E Warner
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Kathrin H Kirsch
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Stephanie R Weldon
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Bettina Groschel
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Bartek Nogal
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Gabriel Ozorowski
- Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Sandhya Bangaru
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Nicole Phelps
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Yumiko Adachi
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Saman Eskandarzadeh
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Michael Kubitz
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Dennis R Burton
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Daniel Lingwood
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Aaron G Schmidt
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Usha Nair
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA
| | - Andrew B Ward
- IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Department of Integrative, Structural and Computational Biology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - William R Schief
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA; Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; IAVI Neutralizing Antibody Center, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA; Center for HIV/AIDS Vaccine Development, The Scripps Research Institute, La Jolla, San Diego, CA 92037, USA
| | - Facundo D Batista
- The Ragon Institute of MGH, MIT, and Harvard University, Cambridge, MA 02139, USA; Department of Immunology, Harvard Medical School, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
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21
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Hauser BM, Sangesland M, Lam EC, Feldman J, Balazs AB, Lingwood D, Schmidt AG. Humoral responses to the SARS-CoV-2 spike and receptor binding domain in context of pre-existing immunity confer broad sarbecovirus neutralization. Front Immunol 2022; 13:902260. [PMID: 35990628 PMCID: PMC9386501 DOI: 10.3389/fimmu.2022.902260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 07/11/2022] [Indexed: 01/19/2023] Open
Abstract
Since the emergence of SARS-CoV-2 (SARS-2), multiple vaccine candidates were developed and studied both preclinically and clinically. Nearly all are based on the SARS-2 spike glycoprotein or its receptor binding domain (RBD). Studies of these vaccine candidates have largely been in a SARS-2 naïve context. However, pre-existing immunity to SARS-2 acquired through infection or vaccination continues to increase. Evaluating future vaccine candidates in context of this pre-existing immunity is necessary to understand how immune responses are subsequently influenced. Here, we evaluated the serum and IgG+ B cell responses to the SARS-2 RBD in context of pre-existing immunity elicited by the full SARS-2 spike, and we compared this to boosting with the full SARS-2 spike. Boosting with the SARS-2 RBD resulted in increased reactivity to RBD epitopes, but both immunization regimens resulted in similarly broad neutralization across diverse sarbecoviruses. These findings may inform comparison among SARS-2 RBD-based vaccine candidates to currently approved spike-based candidates.
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Affiliation(s)
- Blake M. Hauser
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Maya Sangesland
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Evan C. Lam
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Jared Feldman
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Alejandro B. Balazs
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Daniel Lingwood
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Aaron G. Schmidt
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
- Department of Microbiology, Harvard Medical School, Boston, MA, United States
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22
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Tan CS, Collier ARY, Yu J, Liu J, Chandrashekar A, McMahan K, Jacob-Dolan C, He X, Roy V, Hauser BM, Munt JE, Mallory ML, Mattocks M, Powers JM, Meganck RM, Rowe M, Hemond R, Bondzie EA, Jaegle KH, Baric RS, Schmidt AG, Alter G, Le Gars M, Sadoff J, Barouch DH. Durability of Heterologous and Homologous COVID-19 Vaccine Boosts. JAMA Netw Open 2022; 5:e2226335. [PMID: 35947380 PMCID: PMC9366542 DOI: 10.1001/jamanetworkopen.2022.26335] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
IMPORTANCE Antibody responses elicited by current messenger RNA (mRNA) COVID-19 vaccines decline rapidly and require repeated boosting. OBJECTIVE To evaluate the immunogenicity and durability of heterologous and homologous prime-boost regimens involving the adenovirus vector vaccine Ad26.COV2.S and the mRNA vaccine BNT162b2. DESIGN, SETTING, AND PARTICIPANTS In this cohort study at a single clinical site in Boston, Massachusetts, 68 individuals who were vaccinated at least 6 months previously with 2 immunizations of BNT162b2 were boosted with either Ad26.COV2.S or BNT162b2. Enrollment of participants occurred from August 12, 2021, to October 25, 2021, and this study involved 4 months of follow-up. Data analysis was performed from November 2021 to February 2022. EXPOSURES Participants who were previously vaccinated with BNT162b2 received a boost with either Ad26.COV2.S or BNT162b2. MAIN OUTCOMES AND MEASURES Humoral immune responses were assessed by neutralizing, binding, and functional antibody responses for 16 weeks following the boost. CD8+ and CD4+ T-cell responses were evaluated by intracellular cytokine staining assays. RESULTS Among 68 participants who were originally vaccinated with BNT162b2 and boosted with Ad26.COV2.S (41 participants; median [range] age, 36 [23-84] years) or BNT162b2 (27 participants; median [range] age, 35 [23-76] years), 56 participants (82%) were female, 7 (10%) were Asian, 4 (6%) were Black, 4 (6%) were Hispanic or Latino, 3 (4%) were more than 1 race, and 53 (78%) were White. Both vaccines were found to be associated with increased humoral and cellular immune responses, including against SARS-CoV-2 variants of concern. BNT162b2 boosting was associated with a rapid increase of Omicron neutralizing antibodies that peaked at a median (IQR) titer of 1018 (699-1646) at week 2 and declined by 6.9-fold to a median (IQR) titer of 148 (95-266) by week 16. Ad26.COV2.S boosting was associated with increased Omicron neutralizing antibodies titers that peaked at a median (IQR) of 859 (467-1838) week 4 and declined by 2.1-fold to a median (IQR) of 403 (208-1130) by week 16. CONCLUSIONS AND RELEVANCE Heterologous Ad26.COV2.S boosting was associated with durable humoral and cellular immune responses in individuals who originally received the BNT162b2 vaccine. These data suggest potential benefits of heterologous prime-boost vaccine regimens for SARS-CoV-2.
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Affiliation(s)
- C. Sabrina Tan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Ai-ris Y. Collier
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jinyan Liu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Abishek Chandrashekar
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Katherine McMahan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Catherine Jacob-Dolan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Xuan He
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Vicky Roy
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge
| | - Blake M. Hauser
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge
| | | | | | | | | | | | - Marjorie Rowe
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Rachel Hemond
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Esther A. Bondzie
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Kate H. Jaegle
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | | | - Aaron G. Schmidt
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge
| | - Galit Alter
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge
| | | | - Jerald Sadoff
- Janssen Vaccines and Prevention, Leiden, Netherlands
| | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
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23
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Hauser BM, Sangesland M, St Denis KJ, Lam EC, Case JB, Windsor IW, Feldman J, Caradonna TM, Kannegieter T, Diamond MS, Balazs AB, Lingwood D, Schmidt AG. Rationally designed immunogens enable immune focusing following SARS-CoV-2 spike imprinting. Cell Rep 2022; 38:110561. [PMID: 35303475 PMCID: PMC8898741 DOI: 10.1016/j.celrep.2022.110561] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/18/2022] [Accepted: 03/02/2022] [Indexed: 01/11/2023] Open
Abstract
Eliciting antibodies to surface-exposed viral glycoproteins can generate protective responses that control and prevent future infections. Targeting conserved sites may reduce the likelihood of viral escape and limit the spread of related viruses with pandemic potential. Here we leverage rational immunogen design to focus humoral responses on conserved epitopes. Using glycan engineering and epitope scaffolding in boosting immunogens, we focus murine serum antibody responses to conserved receptor binding motif (RBM) and receptor binding domain (RBD) epitopes following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike imprinting. Although all engineered immunogens elicit a robust SARS-CoV-2-neutralizing serum response, RBM-focusing immunogens exhibit increased potency against related sarbecoviruses, SARS-CoV, WIV1-CoV, RaTG13-CoV, and SHC014-CoV; structural characterization of representative antibodies defines a conserved epitope. RBM-focused sera confer protection against SARS-CoV-2 challenge. Thus, RBM focusing is a promising strategy to elicit breadth across emerging sarbecoviruses without compromising SARS-CoV-2 protection. These engineering strategies are adaptable to other viral glycoproteins for targeting conserved epitopes.
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Affiliation(s)
- Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Maya Sangesland
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Kerri J St Denis
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Evan C Lam
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - James Brett Case
- Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Ian W Windsor
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | | | - Ty Kannegieter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Michael S Diamond
- Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO 63110, USA; Department of Pathology & Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | | | - Daniel Lingwood
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA.
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24
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Amraei R, Xia C, Olejnik J, White MR, Napoleon MA, Lotfollahzadeh S, Hauser BM, Schmidt AG, Chitalia V, Mühlberger E, Costello CE, Rahimi N. Extracellular vimentin is an attachment factor that facilitates SARS-CoV-2 entry into human endothelial cells. Proc Natl Acad Sci U S A 2022; 119:2113874119. [PMID: 35078919 PMCID: PMC8833221 DOI: 10.1073/pnas.2113874119] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2021] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2 entry into host cells is a crucial step for virus tropism, transmission, and pathogenesis. Angiotensin-converting enzyme 2 (ACE2) has been identified as the primary entry receptor for SARS-CoV-2; however, the possible involvement of other cellular components in the viral entry has not yet been fully elucidated. Here we describe the identification of vimentin (VIM), an intermediate filament protein widely expressed in cells of mesenchymal origin, as an important attachment factor for SARS-CoV-2 on human endothelial cells. Using liquid chromatography-tandem mass spectrometry, we identified VIM as a protein that binds to the SARS-CoV-2 spike (S) protein. We showed that the S-protein receptor binding domain (RBD) is sufficient for S-protein interaction with VIM. Further analysis revealed that extracellular VIM binds to SARS-CoV-2 S-protein and facilitates SARS-CoV-2 infection, as determined by entry assays performed with pseudotyped viruses expressing S and with infectious SARS-CoV-2. Coexpression of VIM with ACE2 increased SARS-CoV-2 entry in HEK-293 cells, and shRNA-mediated knockdown of VIM significantly reduced SARS-CoV-2 infection of human endothelial cells. Moreover, incubation of A549 cells expressing ACE2 with purified VIM increased pseudotyped SARS-CoV-2-S entry. CR3022 antibody, which recognizes a distinct epitope on SARS-CoV-2-S-RBD without interfering with the binding of the spike with ACE2, inhibited the binding of VIM with CoV-2 S-RBD, and neutralized viral entry in human endothelial cells, suggesting a key role for VIM in SARS-CoV-2 infection of endothelial cells. This work provides insight into the pathogenesis of COVID-19 linked to the vascular system, with implications for the development of therapeutics and vaccines.
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Affiliation(s)
- Razie Amraei
- Department of Pathology, Boston University School of Medicine, Boston, MA 02118
| | - Chaoshuang Xia
- Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA 02118
| | - Judith Olejnik
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02118
| | - Mitchell R White
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02118
| | - Marc A Napoleon
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA 02118
| | - Saran Lotfollahzadeh
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA 02118
| | - Blake M Hauser
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139
- Department of Microbiology, Harvard Medical School, Boston, MA 02115
| | - Aaron G Schmidt
- Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02139
- Department of Microbiology, Harvard Medical School, Boston, MA 02115
| | - Vipul Chitalia
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA 02118
- Veterans Affairs Boston Healthcare System, Boston, MA 02118
- Institute of Medical Engineering and Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139
| | - Elke Mühlberger
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02118
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02118
| | - Catherine E Costello
- Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA 02118;
| | - Nader Rahimi
- Department of Pathology, Boston University School of Medicine, Boston, MA 02118;
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25
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Garcia-Beltran WF, St Denis KJ, Hoelzemer A, Lam EC, Nitido AD, Sheehan ML, Berrios C, Ofoman O, Chang CC, Hauser BM, Feldman J, Roederer AL, Gregory DJ, Poznansky MC, Schmidt AG, Iafrate AJ, Naranbhai V, Balazs AB. mRNA-based COVID-19 vaccine boosters induce neutralizing immunity against SARS-CoV-2 Omicron variant. Cell 2022; 185:457-466.e4. [PMID: 34995482 PMCID: PMC8733787 DOI: 10.1016/j.cell.2021.12.033] [Citation(s) in RCA: 687] [Impact Index Per Article: 343.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 12/18/2021] [Accepted: 12/20/2021] [Indexed: 02/09/2023]
Abstract
Recent surveillance has revealed the emergence of the SARS-CoV-2 Omicron variant (BA.1/B.1.1.529) harboring up to 36 mutations in spike protein, the target of neutralizing antibodies. Given its potential to escape vaccine-induced humoral immunity, we measured the neutralization potency of sera from 88 mRNA-1273, 111 BNT162b, and 40 Ad26.COV2.S vaccine recipients against wild-type, Delta, and Omicron SARS-CoV-2 pseudoviruses. We included individuals that received their primary series recently (<3 months), distantly (6-12 months), or an additional "booster" dose, while accounting for prior SARS-CoV-2 infection. Remarkably, neutralization of Omicron was undetectable in most vaccinees. However, individuals boosted with mRNA vaccines exhibited potent neutralization of Omicron, only 4-6-fold lower than wild type, suggesting enhanced cross-reactivity of neutralizing antibody responses. In addition, we find that Omicron pseudovirus infects more efficiently than other variants tested. Overall, this study highlights the importance of additional mRNA doses to broaden neutralizing antibody responses against highly divergent SARS-CoV-2 variants.
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Affiliation(s)
- Wilfredo F Garcia-Beltran
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA; Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA.
| | - Kerri J St Denis
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Angelique Hoelzemer
- First Department of Internal Medicine, Division of Infectious Diseases, University Medical Centre Eppendorf, Hamburg, Germany; German Center for Infection Research (DZIF), Site Hamburg-Lübeck-Borstel-Riems, Germany; Research Department Virus Immunology, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Evan C Lam
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Adam D Nitido
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Ph.D. Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA 02115, USA
| | - Maegan L Sheehan
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Cristhian Berrios
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Onosereme Ofoman
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Christina C Chang
- Alfred Hospital, Central Clinical School, Monash University, Victoria 3181, Australia; Center for the AIDS Programme of Research in South Africa, Durban 4001, South Africa
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Ph.D. Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA 02115, USA
| | - Alex L Roederer
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Ph.D. Program in Virology, Division of Medical Sciences, Harvard Medical School, Boston, MA 02115, USA
| | - David J Gregory
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA 02129, USA; Pediatric Infectious Disease, Massachusetts General Hospital for Children, Boston, MA 02114, USA
| | - Mark C Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA 02129, USA; Massachusetts General Hospital Cancer Center, Boston, MA 02114, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - A John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Vivek Naranbhai
- Center for the AIDS Programme of Research in South Africa, Durban 4001, South Africa; Massachusetts General Hospital Cancer Center, Boston, MA 02114, USA; Dana-Farber Cancer Institute, Boston, MA 02215, USA
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26
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Nanishi E, Borriello F, O’Meara TR, McGrath ME, Saito Y, Haupt RE, Seo HS, van Haren SD, Cavazzoni CB, Brook B, Barman S, Chen J, Diray-Arce J, Doss-Gollin S, De Leon M, Prevost-Reilly A, Chew K, Menon M, Song K, Xu AZ, Caradonna TM, Feldman J, Hauser BM, Schmidt AG, Sherman AC, Baden LR, Ernst RK, Dillen C, Weston SM, Johnson RM, Hammond HL, Mayer R, Burke A, Bottazzi ME, Hotez PJ, Strych U, Chang A, Yu J, Sage PT, Barouch DH, Dhe-Paganon S, Zanoni I, Ozonoff A, Frieman MB, Levy O, Dowling DJ. An aluminum hydroxide:CpG adjuvant enhances protection elicited by a SARS-CoV-2 receptor binding domain vaccine in aged mice. Sci Transl Med 2022; 14:eabj5305. [PMID: 34783582 PMCID: PMC10176044 DOI: 10.1126/scitranslmed.abj5305] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Global deployment of vaccines that can provide protection across several age groups is still urgently needed to end the COVID-19 pandemic, especially in low- and middle-income countries. Although vaccines against SARS-CoV-2 based on mRNA and adenoviral vector technologies have been rapidly developed, additional practical and scalable SARS-CoV-2 vaccines are required to meet global demand. Protein subunit vaccines formulated with appropriate adjuvants represent an approach to address this urgent need. The receptor binding domain (RBD) is a key target of SARS-CoV-2 neutralizing antibodies but is poorly immunogenic. We therefore compared pattern recognition receptor (PRR) agonists alone or formulated with aluminum hydroxide (AH) and benchmarked them against AS01B and AS03-like emulsion-based adjuvants for their potential to enhance RBD immunogenicity in young and aged mice. We found that an AH and CpG adjuvant formulation (AH:CpG) produced an 80-fold increase in anti-RBD neutralizing antibody titers in both age groups relative to AH alone and protected aged mice from the SARS-CoV-2 challenge. The AH:CpG-adjuvanted RBD vaccine elicited neutralizing antibodies against both wild-type SARS-CoV-2 and the B.1.351 (beta) variant at serum concentrations comparable to those induced by the licensed Pfizer-BioNTech BNT162b2 mRNA vaccine. AH:CpG induced similar cytokine and chemokine gene enrichment patterns in the draining lymph nodes of both young adult and aged mice and enhanced cytokine and chemokine production in human mononuclear cells of younger and older adults. These data support further development of AH:CpG-adjuvanted RBD as an affordable vaccine that may be effective across multiple age groups.
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Affiliation(s)
- Etsuro Nanishi
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Francesco Borriello
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
- Division of Immunology, Boston Children’s Hospital, Boston, MA, USA 02115
- Present address: Generate Biomedicines, Cambridge, MA, USA 02139
| | - Timothy R. O’Meara
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Marisa E. McGrath
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Yoshine Saito
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Robert E. Haupt
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Hyuk-Soo Seo
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA 02115
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA 02115
| | - Simon D. van Haren
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Cecilia B. Cavazzoni
- Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA 02115
| | - Byron Brook
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Soumik Barman
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Jing Chen
- Research Computing Group, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Joann Diray-Arce
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Simon Doss-Gollin
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Maria De Leon
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Alejandra Prevost-Reilly
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Katherine Chew
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Manisha Menon
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Kijun Song
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA 02115
| | - Andrew Z. Xu
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA 02115
| | | | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA 02139
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA 02139
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA 02139
- Department of Microbiology, Harvard Medical School, Boston, MA, USA 02115
| | - Amy C. Sherman
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA 02115
| | - Lindsey R. Baden
- Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA 02115
| | - Robert K. Ernst
- Department of Microbial Pathogenesis, University of Maryland School of Dentistry, Baltimore, MD, USA 21201
| | - Carly Dillen
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Stuart M. Weston
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Robert M. Johnson
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Holly L. Hammond
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Romana Mayer
- Department of Pathology, University of Maryland Medical Center, Baltimore, MD, USA 21201
| | - Allen Burke
- Department of Pathology, University of Maryland Medical Center, Baltimore, MD, USA 21201
| | - Maria E. Bottazzi
- Texas Children’s Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA 77030
- National School of Tropical Medicine and Departments of Pediatrics and Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX, USA 77030
| | - Peter J. Hotez
- Texas Children’s Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA 77030
- National School of Tropical Medicine and Departments of Pediatrics and Molecular Virology & Microbiology, Baylor College of Medicine, Houston, TX, USA 77030
| | - Ulrich Strych
- Texas Children’s Hospital Center for Vaccine Development, Baylor College of Medicine, Houston, TX, USA 77030
- National School of Tropical Medicine and Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA 77030
| | - Aiquan Chang
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA 02115
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA 02115
| | - Peter T. Sage
- Transplantation Research Center, Renal Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA 02115
| | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA 02115
| | - Sirano Dhe-Paganon
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA 02115
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA 02115
| | - Ivan Zanoni
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
- Division of Immunology, Boston Children’s Hospital, Boston, MA, USA 02115
| | - Al Ozonoff
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
| | - Matthew B. Frieman
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD, USA 21201
| | - Ofer Levy
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
- Broad Institute of MIT & Harvard, Cambridge, MA, USA 02142
| | - David J. Dowling
- Precision Vaccines Program, Division of Infectious Diseases, Boston Children’s Hospital, Boston, MA, USA 02115
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA 02115
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27
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Garcia-Beltran WF, St. Denis KJ, Hoelzemer A, Lam EC, Nitido AD, Sheehan ML, Berrios C, Ofoman O, Chang CC, Hauser BM, Feldman J, Gregory DJ, Poznansky MC, Schmidt AG, Iafrate AJ, Naranbhai V, Balazs AB. mRNA-based COVID-19 vaccine boosters induce neutralizing immunity against SARS-CoV-2 Omicron variant. medRxiv 2021:2021.12.14.21267755. [PMID: 34931201 PMCID: PMC8687472 DOI: 10.1101/2021.12.14.21267755] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Recent surveillance has revealed the emergence of the SARS-CoV-2 Omicron variant (BA.1/B.1.1.529) harboring up to 36 mutations in spike protein, the target of vaccine-induced neutralizing antibodies. Given its potential to escape vaccine-induced humoral immunity, we measured neutralization potency of sera from 88 mRNA-1273, 111 BNT162b, and 40 Ad26.COV2.S vaccine recipients against wild type, Delta, and Omicron SARS-CoV-2 pseudoviruses. We included individuals that were vaccinated recently (<3 months), distantly (6-12 months), or recently boosted, and accounted for prior SARS-CoV-2 infection. Remarkably, neutralization of Omicron was undetectable in most vaccinated individuals. However, individuals boosted with mRNA vaccines exhibited potent neutralization of Omicron only 4-6-fold lower than wild type, suggesting that boosters enhance the cross-reactivity of neutralizing antibody responses. In addition, we find Omicron pseudovirus is more infectious than any other variant tested. Overall, this study highlights the importance of boosters to broaden neutralizing antibody responses against highly divergent SARS-CoV-2 variants.
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Affiliation(s)
- Wilfredo F. Garcia-Beltran
- These authors contributed equally
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Kerri J. St. Denis
- These authors contributed equally
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Angelique Hoelzemer
- First Department of Internal Medicine, Division of Infectious Diseases, University Medical Centre Eppendorf, Hamburg, Germany
- German Center for Infection Research (DZIF), Site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Evan C. Lam
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Adam D. Nitido
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | | | - Cristhian Berrios
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Onosereme Ofoman
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Christina C. Chang
- Center for the AIDS Programme of Research in South Africa, Durban, 4001, South Africa
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - David J. Gregory
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA, 02129, USA
- Pediatric Infectious Disease, Massachusetts General Hospital for Children, Boston, MA 02114, USA
| | - Mark C. Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA, 02129, USA
- Massachusetts General Hospital Cancer Center, Boston, MA, 02114, USA
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - A. John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Vivek Naranbhai
- Center for the AIDS Programme of Research in South Africa, Durban, 4001, South Africa
- Massachusetts General Hospital Cancer Center, Boston, MA, 02114, USA
- Dana-Farber Cancer Institute, Boston, MA, 02215, USA
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28
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Feldman J, Bals J, Altomare CG, St. Denis K, Lam EC, Hauser BM, Ronsard L, Sangesland M, Moreno TB, Okonkwo V, Hartojo N, Balazs AB, Bajic G, Lingwood D, Schmidt AG. Naive human B cells engage the receptor binding domain of SARS-CoV-2, variants of concern, and related sarbecoviruses. Sci Immunol 2021; 6:eabl5842. [PMID: 34648356 PMCID: PMC8720485 DOI: 10.1126/sciimmunol.abl5842] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Initial exposure to a pathogen elicits an adaptive immune response to control and eradicate the threat. Interrogating the abundance and specificity of the naive B cell repertoire drives understanding of how to mount protective responses. Here, we isolated naive B cells from eight seronegative human donors targeting the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) receptor binding domain (RBD). Single-cell B cell receptor (BCR) sequencing identified diverse gene usage and no restriction on complementarity determining region length. A subset of recombinant antibodies produced by naive B cell precursors bound to SARS-CoV-2 RBD and engaged circulating variants including B.1.1.7, B.1.351, and B.1.617.2, as well as preemergent bat-derived coronaviruses RaTG13, SHC104, and WIV1. By structural characterization of a naive antibody in complex with SARS-CoV-2 spike, we identified a conserved mode of recognition shared with infection-induced antibodies. We found that representative naive antibodies could signal in a B cell activation assay, and by using directed evolution, we could select for a higher-affinity RBD interaction, conferred by a single amino acid change. The minimally mutated, affinity-matured antibodies also potently neutralized SARS-CoV-2. Understanding the SARS-CoV-2 RBD–specific naive repertoire may inform potential responses capable of recognizing future SARS-CoV-2 variants or emerging coronaviruses, enabling the development of pan-coronavirus vaccines aimed at engaging protective germline responses.
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Affiliation(s)
- Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Julia Bals
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Clara G. Altomare
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029
| | - Kerri St. Denis
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Evan C. Lam
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Larance Ronsard
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Maya Sangesland
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | - Vintus Okonkwo
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Nathania Hartojo
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | - Goran Bajic
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029
| | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
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29
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Thornlow DN, Macintyre AN, Oguin TH, Karlsson AB, Stover EL, Lynch HE, Sempowski GD, Schmidt AG. Altering the Immunogenicity of Hemagglutinin Immunogens by Hyperglycosylation and Disulfide Stabilization. Front Immunol 2021; 12:737973. [PMID: 34691043 PMCID: PMC8528956 DOI: 10.3389/fimmu.2021.737973] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/20/2021] [Indexed: 11/13/2022] Open
Abstract
Influenza virus alters glycosylation patterns on its surface exposed glycoproteins to evade host adaptive immune responses. The viral hemagglutinin (HA), in particular the H3 subtype, has increased its overall surface glycosylation since its introduction in 1968. We previously showed that modulating predicted N-linked glycosylation sites on H3 A/Hong Kong/1/1968 HA identified a conserved epitope at the HA interface. This epitope is occluded on the native HA trimer but is likely exposed during HA "breathing" on the virion surface. Antibodies directed to this site are protective via an ADCC-mediated mechanism. This glycan engineering strategy made an otherwise subdominant epitope dominant in the murine model. Here, we asked whether cysteine stabilization of the hyperglycosylated HA trimer could reverse this immunodominance by preventing access to the interface epitope and focus responses to the HA receptor binding site (RBS). While analysis of serum responses from immunized mice did not show a redirection to the RBS, cysteine stabilization did result in an overall reduction in immunogenicity of the interface epitope. Thus, glycan engineering and cysteine stabilization are two strategies that can be used together to alter immunodominance patterns to HA. These results add to rational immunogen design approaches used to manipulate immune responses for the development of next-generation influenza vaccines.
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Affiliation(s)
- Dana N. Thornlow
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, United States
- Department of Microbiology, Harvard Medical School, Boston, MA, United States
| | - Andrew N. Macintyre
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
| | - Thomas H. Oguin
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
| | - Amelia B. Karlsson
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
| | - Erica L. Stover
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
| | - Heather E. Lynch
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
| | - Gregory D. Sempowski
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, United States
- Departments of Medicine and Pathology, Duke University School of Medicine, Durham, NC, United States
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, United States
- Department of Microbiology, Harvard Medical School, Boston, MA, United States
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30
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Tong P, Gautam A, Windsor IW, Travers M, Chen Y, Garcia N, Whiteman NB, McKay LGA, Storm N, Malsick LE, Honko AN, Lelis FJN, Habibi S, Jenni S, Cai Y, Rennick LJ, Duprex WP, McCarthy KR, Lavine CL, Zuo T, Lin J, Zuiani A, Feldman J, MacDonald EA, Hauser BM, Griffths A, Seaman MS, Schmidt AG, Chen B, Neuberg D, Bajic G, Harrison SC, Wesemann DR. Memory B cell repertoire for recognition of evolving SARS-CoV-2 spike. Cell 2021; 184:4969-4980.e15. [PMID: 34332650 PMCID: PMC8299219 DOI: 10.1016/j.cell.2021.07.025] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/14/2021] [Accepted: 07/15/2021] [Indexed: 12/18/2022]
Abstract
Memory B cell reserves can generate protective antibodies against repeated SARS-CoV-2 infections, but with unknown reach from original infection to antigenically drifted variants. We charted memory B cell receptor-encoded antibodies from 19 COVID-19 convalescent subjects against SARS-CoV-2 spike (S) and found seven major antibody competition groups against epitopes recurrently targeted across individuals. Inclusion of published and newly determined structures of antibody-S complexes identified corresponding epitopic regions. Group assignment correlated with cross-CoV-reactivity breadth, neutralization potency, and convergent antibody signatures. Although emerging SARS-CoV-2 variants of concern escaped binding by many members of the groups associated with the most potent neutralizing activity, some antibodies in each of those groups retained affinity-suggesting that otherwise redundant components of a primary immune response are important for durable protection from evolving pathogens. Our results furnish a global atlas of S-specific memory B cell repertoires and illustrate properties driving viral escape and conferring robustness against emerging variants.
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Affiliation(s)
- Pei Tong
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Avneesh Gautam
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ian W Windsor
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Meghan Travers
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yuezhou Chen
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nicholas Garcia
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Noah B Whiteman
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Lindsay G A McKay
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Nadia Storm
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Lauren E Malsick
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Anna N Honko
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Felipe J N Lelis
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shaghayegh Habibi
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Simon Jenni
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Yongfei Cai
- Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA
| | - Linda J Rennick
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - W Paul Duprex
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Kevin R McCarthy
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA; The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Christy L Lavine
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Teng Zuo
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Junrui Lin
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Adam Zuiani
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Elizabeth A MacDonald
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Anthony Griffths
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA; National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Michael S Seaman
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Bing Chen
- Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Donna Neuberg
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Goran Bajic
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA
| | - Stephen C Harrison
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Molecular Medicine, Boston Children's Hospital, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA; Howard Hughes Medical Institute, Boston, MA 02115, USA
| | - Duane R Wesemann
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA.
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31
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Zabaleta N, Dai W, Bhatt U, Hérate C, Maisonnasse P, Chichester JA, Sanmiguel J, Estelien R, Michalson KT, Diop C, Maciorowski D, Dereuddre-Bosquet N, Cavarelli M, Gallouët AS, Naninck T, Kahlaoui N, Lemaitre J, Qi W, Hudspeth E, Cucalon A, Dyer CD, Pampena MB, Knox JJ, LaRocque RC, Charles RC, Li D, Kim M, Sheridan A, Storm N, Johnson RI, Feldman J, Hauser BM, Contreras V, Marlin R, Tsong Fang RH, Chapon C, van der Werf S, Zinn E, Ryan A, Kobayashi DT, Chauhan R, McGlynn M, Ryan ET, Schmidt AG, Price B, Honko A, Griffiths A, Yaghmour S, Hodge R, Betts MR, Freeman MW, Wilson JM, Le Grand R, Vandenberghe LH. An AAV-based, room-temperature-stable, single-dose COVID-19 vaccine provides durable immunogenicity and protection in non-human primates. Cell Host Microbe 2021; 29:1437-1453.e8. [PMID: 34428428 PMCID: PMC8346325 DOI: 10.1016/j.chom.2021.08.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/12/2021] [Accepted: 08/03/2021] [Indexed: 12/11/2022]
Abstract
The SARS-CoV-2 pandemic has affected more than 185 million people worldwide resulting in over 4 million deaths. To contain the pandemic, there is a continued need for safe vaccines that provide durable protection at low and scalable doses and can be deployed easily. Here, AAVCOVID-1, an adeno-associated viral (AAV), spike-gene-based vaccine candidate demonstrates potent immunogenicity in mouse and non-human primates following a single injection and confers complete protection from SARS-CoV-2 challenge in macaques. Peak neutralizing antibody titers are sustained at 1 year and complemented by functional memory T cell responses. The AAVCOVID vector has no relevant pre-existing immunity in humans and does not elicit cross-reactivity to common AAVs used in gene therapy. Vector genome persistence and expression wanes following injection. The single low-dose requirement, high-yield manufacturability, and 1-month stability for storage at room temperature may make this technology well suited to support effective immunization campaigns for emerging pathogens on a global scale.
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Affiliation(s)
- Nerea Zabaleta
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Wenlong Dai
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Urja Bhatt
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Cécile Hérate
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Pauline Maisonnasse
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Jessica A Chichester
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Julio Sanmiguel
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Reynette Estelien
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Kristofer T Michalson
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Cheikh Diop
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Dawid Maciorowski
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Nathalie Dereuddre-Bosquet
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Mariangela Cavarelli
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Anne-Sophie Gallouët
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Thibaut Naninck
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Nidhal Kahlaoui
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Julien Lemaitre
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Wenbin Qi
- Novartis Gene Therapies, San Diego, CA, USA
| | | | - Allison Cucalon
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Cecilia D Dyer
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - M Betina Pampena
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - James J Knox
- Department of Pathology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Regina C LaRocque
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Richelle C Charles
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Dan Li
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Maya Kim
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Abigail Sheridan
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Nadia Storm
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA 02118, USA
| | - Rebecca I Johnson
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA 02118, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Vanessa Contreras
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Romain Marlin
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Raphaël Ho Tsong Fang
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Catherine Chapon
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France
| | - Sylvie van der Werf
- Molecular Genetics of RNA Viruses, Department of Virology, Institut Pasteur, CNRS UMR 3569, Université de Paris, Paris, France; National Reference Center for Respiratory Viruses, Institut Pasteur, Paris, France
| | - Eric Zinn
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Aisling Ryan
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Dione T Kobayashi
- Translational Innovation Fund, Mass General Brigham Innovation, Cambridge, MA, USA
| | - Ruchi Chauhan
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Marion McGlynn
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Edward T Ryan
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA; Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA, USA
| | | | - Anna Honko
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA 02118, USA
| | - Anthony Griffiths
- Department of Microbiology and National Emerging Infectious Diseases Laboratories, Boston University School of Medicine, Boston, MA 02118, USA
| | | | | | - Michael R Betts
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Mason W Freeman
- Center for Computational & Integrative Biology, Department of Medicine, and Translational Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - James M Wilson
- Gene Therapy Program, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Roger Le Grand
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial diseases (IMVA-HB/IDMIT), Université Paris-Saclay, Inserm, CEA, Fontenay-aux-Roses, France.
| | - Luk H Vandenberghe
- Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA; Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; The Broad Institute of Harvard and MIT, Cambridge, MA, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA.
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32
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Li D, Edwards RJ, Manne K, Martinez DR, Schäfer A, Alam SM, Wiehe K, Lu X, Parks R, Sutherland LL, Oguin TH, McDanal C, Perez LG, Mansouri K, Gobeil SMC, Janowska K, Stalls V, Kopp M, Cai F, Lee E, Foulger A, Hernandez GE, Sanzone A, Tilahun K, Jiang C, Tse LV, Bock KW, Minai M, Nagata BM, Cronin K, Gee-Lai V, Deyton M, Barr M, Von Holle T, Macintyre AN, Stover E, Feldman J, Hauser BM, Caradonna TM, Scobey TD, Rountree W, Wang Y, Moody MA, Cain DW, DeMarco CT, Denny TN, Woods CW, Petzold EW, Schmidt AG, Teng IT, Zhou T, Kwong PD, Mascola JR, Graham BS, Moore IN, Seder R, Andersen H, Lewis MG, Montefiori DC, Sempowski GD, Baric RS, Acharya P, Haynes BF, Saunders KO. In vitro and in vivo functions of SARS-CoV-2 infection-enhancing and neutralizing antibodies. Cell 2021; 184:4203-4219.e32. [PMID: 34242577 PMCID: PMC8232969 DOI: 10.1016/j.cell.2021.06.021] [Citation(s) in RCA: 181] [Impact Index Per Article: 60.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/06/2021] [Accepted: 06/11/2021] [Indexed: 12/23/2022]
Abstract
SARS-CoV-2-neutralizing antibodies (NAbs) protect against COVID-19. A concern regarding SARS-CoV-2 antibodies is whether they mediate disease enhancement. Here, we isolated NAbs against the receptor-binding domain (RBD) or the N-terminal domain (NTD) of SARS-CoV-2 spike from individuals with acute or convalescent SARS-CoV-2 or a history of SARS-CoV infection. Cryo-electron microscopy of RBD and NTD antibodies demonstrated function-specific modes of binding. Select RBD NAbs also demonstrated Fc receptor-γ (FcγR)-mediated enhancement of virus infection in vitro, while five non-neutralizing NTD antibodies mediated FcγR-independent in vitro infection enhancement. However, both types of infection-enhancing antibodies protected from SARS-CoV-2 replication in monkeys and mice. Three of 46 monkeys infused with enhancing antibodies had higher lung inflammation scores compared to controls. One monkey had alveolar edema and elevated bronchoalveolar lavage inflammatory cytokines. Thus, while in vitro antibody-enhanced infection does not necessarily herald enhanced infection in vivo, increased lung inflammation can rarely occur in SARS-CoV-2 antibody-infused macaques.
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Affiliation(s)
- Dapeng Li
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert J Edwards
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kartik Manne
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - David R Martinez
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Alexandra Schäfer
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - S Munir Alam
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kevin Wiehe
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaozhi Lu
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Robert Parks
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Laura L Sutherland
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Thomas H Oguin
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | | | - Lautaro G Perez
- Department of Surgery, Duke University, Durham, NC 27710, USA
| | - Katayoun Mansouri
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Sophie M C Gobeil
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Katarzyna Janowska
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Victoria Stalls
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Megan Kopp
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Fangping Cai
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Esther Lee
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Andrew Foulger
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Giovanna E Hernandez
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Aja Sanzone
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Kedamawit Tilahun
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Chuancang Jiang
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Longping V Tse
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Kevin W Bock
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Mahnaz Minai
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Bianca M Nagata
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kenneth Cronin
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Victoria Gee-Lai
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Margaret Deyton
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Maggie Barr
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Tarra Von Holle
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Andrew N Macintyre
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Erica Stover
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA
| | | | - Trevor D Scobey
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Wes Rountree
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yunfei Wang
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - M Anthony Moody
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Pediatrics, Duke University School of Medicine, Durham, NC 27710, USA
| | - Derek W Cain
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - C Todd DeMarco
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Thomas N Denny
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Christopher W Woods
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA; Center for Applied Genomics and Precision Medicine, Duke University Medical Center, Durham, NC 27710, USA
| | - Elizabeth W Petzold
- Center for Applied Genomics and Precision Medicine, Duke University Medical Center, Durham, NC 27710, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA 02139, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - I-Ting Teng
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA
| | - Tongqing Zhou
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA
| | - Peter D Kwong
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA; Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032, USA
| | - John R Mascola
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA
| | - Barney S Graham
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA
| | - Ian N Moore
- Infectious Disease Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Robert Seder
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD 20892, USA
| | | | | | | | - Gregory D Sempowski
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ralph S Baric
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Priyamvada Acharya
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University, Durham, NC 27710, USA
| | - Barton F Haynes
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA; Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Kevin O Saunders
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710, USA; Department of Surgery, Duke University, Durham, NC 27710, USA; Department of Immunology, Duke University School of Medicine, Durham, NC 27710, USA; Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA.
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33
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Amraei R, Yin W, Napoleon MA, Suder EL, Berrigan J, Zhao Q, Olejnik J, Chandler KB, Xia C, Feldman J, Hauser BM, Caradonna TM, Schmidt AG, Gummuluru S, Mühlberger E, Chitalia V, Costello CE, Rahimi N. CD209L/L-SIGN and CD209/DC-SIGN Act as Receptors for SARS-CoV-2. ACS Cent Sci 2021; 7:1156-1165. [PMID: 34341769 PMCID: PMC8265543 DOI: 10.1021/acscentsci.0c01537] [Citation(s) in RCA: 140] [Impact Index Per Article: 46.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Indexed: 05/17/2023]
Abstract
As the COVID-19 pandemic continues to spread, investigating the processes underlying the interactions between SARS-CoV-2 and its hosts is of high importance. Here, we report the identification of CD209L/L-SIGN and the related protein CD209/DC-SIGN as receptors capable of mediating SARS-CoV-2 entry into human cells. Immunofluorescence staining of human tissues revealed prominent expression of CD209L in the lung and kidney epithelia and endothelia. Multiple biochemical assays using a purified recombinant SARS-CoV-2 spike receptor-binding domain (S-RBD) or S1 encompassing both N termal domain and RBD and ectopically expressed CD209L and CD209 revealed that CD209L and CD209 interact with S-RBD. CD209L contains two N-glycosylation sequons, at sites N92 and N361, but we determined that only site N92 is occupied. Removal of the N-glycosylation at this site enhances the binding of S-RBD with CD209L. CD209L also interacts with ACE2, suggesting a role for heterodimerization of CD209L and ACE2 in SARS-CoV-2 entry and infection in cell types where both are present. Furthermore, we demonstrate that human endothelial cells are permissive to SARS-CoV-2 infection, and interference with CD209L activity by a knockdown strategy or with soluble CD209L inhibits virus entry. Our observations demonstrate that CD209L and CD209 serve as alternative receptors for SARS-CoV-2 in disease-relevant cell types, including the vascular system. This property is particularly important in tissues where ACE2 has low expression or is absent and may have implications for antiviral drug development.
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Affiliation(s)
- Razie Amraei
- Department
of Pathology, School of Medicine, Boston
University Medical Campus, Boston, Massachusetts 02118, United States
| | - Wenqing Yin
- Renal
Section, Department of Medicine, Boston
University Medical Center, Boston, Massachusetts 02118, United States
| | - Marc A. Napoleon
- Renal
Section, Department of Medicine, Boston
University Medical Center, Boston, Massachusetts 02118, United States
| | - Ellen L. Suder
- Department
of Microbiology, Boston University School
of Medicine, Boston, Massachusetts 02118, United States
- National
Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, Massachusetts 02118, United States
| | - Jacob Berrigan
- Department
of Microbiology, Boston University School
of Medicine, Boston, Massachusetts 02118, United States
| | - Qing Zhao
- Department
of Pathology, School of Medicine, Boston
University Medical Campus, Boston, Massachusetts 02118, United States
| | - Judith Olejnik
- Department
of Microbiology, Boston University School
of Medicine, Boston, Massachusetts 02118, United States
- National
Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, Massachusetts 02118, United States
| | - Kevin Brown Chandler
- Center
for Biomedical Mass Spectrometry, Boston
University School of Medicine, Boston, Massachusetts 02118, United States
| | - Chaoshuang Xia
- Center
for Biomedical Mass Spectrometry, Boston
University School of Medicine, Boston, Massachusetts 02118, United States
| | - Jared Feldman
- Ragon Institute
of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Blake M. Hauser
- Ragon Institute
of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Timothy M. Caradonna
- Ragon Institute
of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
| | - Aaron G. Schmidt
- Ragon Institute
of MGH, MIT, and Harvard, Cambridge, Massachusetts 02139, United States
- Department
of Microbiology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Suryaram Gummuluru
- Department
of Microbiology, Boston University School
of Medicine, Boston, Massachusetts 02118, United States
| | - Elke Mühlberger
- Department
of Microbiology, Boston University School
of Medicine, Boston, Massachusetts 02118, United States
- National
Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, Massachusetts 02118, United States
| | - Vipul Chitalia
- Renal
Section, Department of Medicine, Boston
University Medical Center, Boston, Massachusetts 02118, United States
| | - Catherine E. Costello
- Center
for Biomedical Mass Spectrometry, Boston
University School of Medicine, Boston, Massachusetts 02118, United States
| | - Nader Rahimi
- Department
of Pathology, School of Medicine, Boston
University Medical Campus, Boston, Massachusetts 02118, United States
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34
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Feldman J, Bals J, Altomare CG, St Denis K, Lam EC, Hauser BM, Ronsard L, Sangesland M, Moreno TB, Okonkwo V, Hartojo N, Balazs AB, Bajic G, Lingwood D, Schmidt AG. Naive human B cells engage the receptor binding domain of SARS-CoV-2, variants of concern, and related sarbecoviruses. bioRxiv 2021. [PMID: 33594359 PMCID: PMC7885909 DOI: 10.1101/2021.02.02.429458] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Exposure to a pathogen elicits an adaptive immune response aimed to control and eradicate. Interrogating the abundance and specificity of the naive B cell repertoire contributes to understanding how to potentially elicit protective responses. Here, we isolated naive B cells from 8 seronegative human donors targeting the SARS-CoV-2 receptor-binding domain (RBD). Single B cell analysis showed diverse gene usage with no restricted complementarity determining region lengths. We show that recombinant antibodies engage SARS-CoV-2 RBD, circulating variants, and pre-emergent coronaviruses. Representative antibodies signal in a B cell activation assay and can be affinity matured through directed evolution. Structural analysis of a naive antibody in complex with spike shows a conserved mode of recognition shared with infection-induced antibodies. Lastly, both naive and affinity-matured antibodies can neutralize SARS-CoV-2. Understanding the naive repertoire may inform potential responses recognizing variants or emerging coronaviruses enabling the development of pan-coronavirus vaccines aimed at engaging germline responses. Isolation of antibody germline precursors targeting the receptor binding domain of coronaviruses.
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Affiliation(s)
- Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Julia Bals
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Clara G Altomare
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029
| | - Kerri St Denis
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Evan C Lam
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Larance Ronsard
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Maya Sangesland
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | - Vintus Okonkwo
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Nathania Hartojo
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | | | - Goran Bajic
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029
| | - Daniel Lingwood
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, 02139, USA.,Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
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35
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Hauser BM, Sangesland M, Denis KJS, Windsor IW, Feldman J, Lam EC, Kannegieter T, Balazs AB, Lingwood D, Schmidt AG. Rationally designed immunogens enable immune focusing to the SARS-CoV-2 receptor binding motif. bioRxiv 2021:2021.03.15.435440. [PMID: 33758851 PMCID: PMC7987010 DOI: 10.1101/2021.03.15.435440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Eliciting antibodies to surface-exposed viral glycoproteins can lead to protective responses that ultimately control and prevent future infections. Targeting functionally conserved epitopes may help reduce the likelihood of viral escape and aid in preventing the spread of related viruses with pandemic potential. One such functionally conserved viral epitope is the site to which a receptor must bind to facilitate viral entry. Here, we leveraged rational immunogen design strategies to focus humoral responses to the receptor binding motif (RBM) on the SARS-CoV-2 spike. Using glycan engineering and epitope scaffolding, we find an improved targeting of the serum response to the RBM in context of SARS-CoV-2 spike imprinting. Furthermore, we observed a robust SARS-CoV-2-neutralizing serum response with increased potency against related sarbecoviruses, SARS-CoV, WIV1-CoV, RaTG13-CoV, and SHC014-CoV. Thus, RBM focusing is a promising strategy to elicit breadth across emerging sarbecoviruses and represents an adaptable design approach for targeting conserved epitopes on other viral glycoproteins. ONE SENTENCE SUMMARY SARS-CoV-2 immune focusing with engineered immunogens.
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36
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Wellner A, McMahon C, Gilman MSA, Clements JR, Clark S, Nguyen KM, Ho MH, Hu VJ, Shin JE, Feldman J, Hauser BM, Caradonna TM, Wingler LM, Schmidt AG, Marks DS, Abraham J, Kruse AC, Liu CC. Rapid generation of potent antibodies by autonomous hypermutation in yeast. Nat Chem Biol 2021; 17:1057-1064. [PMID: 34168368 DOI: 10.1038/s41589-021-00832-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 06/11/2021] [Indexed: 12/11/2022]
Abstract
The predominant approach for antibody generation remains animal immunization, which can yield exceptionally selective and potent antibody clones owing to the powerful evolutionary process of somatic hypermutation. However, animal immunization is inherently slow, not always accessible and poorly compatible with many antigens. Here, we describe 'autonomous hypermutation yeast surface display' (AHEAD), a synthetic recombinant antibody generation technology that imitates somatic hypermutation inside engineered yeast. By encoding antibody fragments on an error-prone orthogonal DNA replication system, surface-displayed antibody repertoires continuously mutate through simple cycles of yeast culturing and enrichment for antigen binding to produce high-affinity clones in as little as two weeks. We applied AHEAD to generate potent nanobodies against the SARS-CoV-2 S glycoprotein, a G-protein-coupled receptor and other targets, offering a template for streamlined antibody generation at large.
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Affiliation(s)
- Alon Wellner
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Conor McMahon
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.,Vertex Pharmaceuticals, Boston, MA, USA
| | - Morgan S A Gilman
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Jonathan R Clements
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Sarah Clark
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Kianna M Nguyen
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Ming H Ho
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Vincent J Hu
- Department of Biomedical Engineering, University of California, Irvine, CA, USA
| | - Jung-Eun Shin
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | | | - Laura M Wingler
- Department of Medicine, Duke University Medical Center, Durham, NC, USA.,Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC, USA.,Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Aaron G Schmidt
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.,Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Debora S Marks
- Department of Systems Biology, Harvard Medical School, Boston, MA, USA.,Broad Institute of Harvard and MIT, Cambridge, MA, USA
| | - Jonathan Abraham
- Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.,Broad Institute of Harvard and MIT, Cambridge, MA, USA.,Department of Medicine, Division of Infectious Diseases, Brigham and Women's Hospital, Boston, MA, USA
| | - Andrew C Kruse
- Department of Biological Chemistry and Molecular Pharmacology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.
| | - Chang C Liu
- Department of Biomedical Engineering, University of California, Irvine, CA, USA. .,Department of Chemistry, University of California, Irvine, CA, USA. .,Department of Molecular Biology & Biochemistry, University of California, Irvine, CA, USA.
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37
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Collier ARY, McMahan K, Yu J, Tostanoski LH, Aguayo R, Ansel J, Chandrashekar A, Patel S, Apraku Bondzie E, Sellers D, Barrett J, Sanborn O, Wan H, Chang A, Anioke T, Nkolola J, Bradshaw C, Jacob-Dolan C, Feldman J, Gebre M, Borducchi EN, Liu J, Schmidt AG, Suscovich T, Linde C, Alter G, Hacker MR, Barouch DH. Immunogenicity of COVID-19 mRNA Vaccines in Pregnant and Lactating Women. JAMA 2021; 325:2370-2380. [PMID: 33983379 PMCID: PMC8120446 DOI: 10.1001/jama.2021.7563] [Citation(s) in RCA: 266] [Impact Index Per Article: 88.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 04/27/2021] [Indexed: 12/16/2022]
Abstract
Importance Pregnant women are at increased risk of morbidity and mortality from COVID-19 but have been excluded from the phase 3 COVID-19 vaccine trials. Data on vaccine safety and immunogenicity in these populations are therefore limited. Objective To evaluate the immunogenicity of COVID-19 messenger RNA (mRNA) vaccines in pregnant and lactating women, including against emerging SARS-CoV-2 variants of concern. Design, Setting, and Participants An exploratory, descriptive, prospective cohort study enrolled 103 women who received a COVID-19 vaccine from December 2020 through March 2021 and 28 women who had confirmed SARS-CoV-2 infection from April 2020 through March 2021 (the last follow-up date was March 26, 2021). This study enrolled 30 pregnant, 16 lactating, and 57 neither pregnant nor lactating women who received either the mRNA-1273 (Moderna) or BNT162b2 (Pfizer-BioNTech) COVID-19 vaccines and 22 pregnant and 6 nonpregnant unvaccinated women with SARS-CoV-2 infection. Main Outcomes and Measures SARS-CoV-2 receptor binding domain binding, neutralizing, and functional nonneutralizing antibody responses from pregnant, lactating, and nonpregnant women were assessed following vaccination. Spike-specific T-cell responses were evaluated using IFN-γ enzyme-linked immunospot and multiparameter intracellular cytokine-staining assays. Humoral and cellular immune responses were determined against the original SARS-CoV-2 USA-WA1/2020 strain as well as against the B.1.1.7 and B.1.351 variants. Results This study enrolled 103 women aged 18 to 45 years (66% non-Hispanic White) who received a COVID-19 mRNA vaccine. After the second vaccine dose, fever was reported in 4 pregnant women (14%; SD, 6%), 7 lactating women (44%; SD, 12%), and 27 nonpregnant women (52%; SD, 7%). Binding, neutralizing, and functional nonneutralizing antibody responses as well as CD4 and CD8 T-cell responses were present in pregnant, lactating, and nonpregnant women following vaccination. Binding and neutralizing antibodies were also observed in infant cord blood and breast milk. Binding and neutralizing antibody titers against the SARS-CoV-2 B.1.1.7 and B.1.351 variants of concern were reduced, but T-cell responses were preserved against viral variants. Conclusion and Relevance In this exploratory analysis of a convenience sample, receipt of a COVID-19 mRNA vaccine was immunogenic in pregnant women, and vaccine-elicited antibodies were transported to infant cord blood and breast milk. Pregnant and nonpregnant women who were vaccinated developed cross-reactive antibody responses and T-cell responses against SARS-CoV-2 variants of concern.
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Affiliation(s)
- Ai-ris Y. Collier
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Katherine McMahan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Lisa H. Tostanoski
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Ricardo Aguayo
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jessica Ansel
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Abishek Chandrashekar
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Shivani Patel
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Esther Apraku Bondzie
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Daniel Sellers
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Julia Barrett
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Owen Sanborn
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Huahua Wan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Aiquan Chang
- Harvard Medical School, Boston, Massachusetts
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Tochi Anioke
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Joseph Nkolola
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Connor Bradshaw
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Catherine Jacob-Dolan
- Harvard Medical School, Boston, Massachusetts
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jared Feldman
- Harvard Medical School, Boston, Massachusetts
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts
| | - Makda Gebre
- Harvard Medical School, Boston, Massachusetts
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Erica N. Borducchi
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Jinyan Liu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Aaron G. Schmidt
- Harvard Medical School, Boston, Massachusetts
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts
| | | | | | - Galit Alter
- Harvard Medical School, Boston, Massachusetts
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts
| | - Michele R. Hacker
- Department of Obstetrics and Gynecology, Beth Israel Deaconess Medical Center, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
| | - Dan H. Barouch
- Harvard Medical School, Boston, Massachusetts
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, Massachusetts
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, Massachusetts
- Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
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Amraei R, Yin W, Napoleon MA, Suder EL, Berrigan J, Zhao Q, Olejnik J, Chandler KB, Xia C, Feldman J, Hauser BM, Caradonna TM, Schmidt AG, Gummuluru S, Muhlberger E, Chitalia V, Costello CE, Rahimi N. CD209L/L-SIGN and CD209/DC-SIGN act as receptors for SARS-CoV-2. bioRxiv 2021:2020.06.22.165803. [PMID: 32607506 PMCID: PMC7325172 DOI: 10.1101/2020.06.22.165803] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
As the COVID-19 pandemic continues to spread, investigating the processes underlying the interactions between SARS-CoV-2 and its hosts is of high importance. Here, we report the identification of CD209L/L-SIGN and the related protein CD209/DC-SIGN as receptors capable of mediating SARS-CoV-2 entry into human cells. Immunofluorescence staining of human tissues revealed prominent expression of CD209L in the lung and kidney epithelium and endothelium. Multiple biochemical assays using a purified recombinant SARS-CoV-2 spike receptor binding domain (S-RBD) or S1 encompassing both NTB and RBD and ectopically expressed CD209L and CD209 revealed that CD209L and CD209 interact with S-RBD. CD209L contains two N-glycosylation sequons, at sites N92 and N361, but we determined that only site N92 is occupied. Removal of the N-glycosylation at this site enhances the binding of S-RBD with CD209L. CD209L also interacts with ACE2, suggesting a role for heterodimerization of CD209L and ACE2 in SARS-CoV-2 entry and infection in cell types where both are present. Furthermore, we demonstrate that human endothelial cells are permissive to SARS-CoV-2 infection and interference with CD209L activity by knockdown strategy or with soluble CD209L inhibits virus entry. Our observations demonstrate that CD209L and CD209 serve as alternative receptors for SARS-CoV-2 in disease-relevant cell types, including the vascular system. This property is particularly important in tissues where ACE2 has low expression or is absent, and may have implications for antiviral drug development.
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Affiliation(s)
- Razie Amraei
- Department of Pathology, School of Medicine, Boston University Medical Campus, Boston, MA 02118
| | - Wenqing Yin
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA
| | - Marc A. Napoleon
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA
| | - Ellen L. Suder
- Department of Microbiology, Boston University School of Medicine, Boston, MA
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA
| | - Jacob Berrigan
- Department of Microbiology, Boston University School of Medicine, Boston, MA
| | - Qing Zhao
- Department of Pathology, School of Medicine, Boston University Medical Campus, Boston, MA 02118
| | - Judith Olejnik
- Department of Microbiology, Boston University School of Medicine, Boston, MA
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA
| | - Kevin Brown Chandler
- Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA 02118
| | - Chaoshuang Xia
- Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA 02118
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139
| | | | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139
- Department of Microbiology, Harvard Medical School, Boston, MA 02115
| | - Suryaram Gummuluru
- Department of Microbiology, Boston University School of Medicine, Boston, MA
| | - Elke Muhlberger
- Department of Microbiology, Boston University School of Medicine, Boston, MA
- National Emerging Infectious Diseases Laboratories (NEIDL), Boston University, Boston, MA
| | - Vipul Chitalia
- Renal Section, Department of Medicine, Boston University Medical Center, Boston, MA
| | - Catherine E. Costello
- Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA 02118
| | - Nader Rahimi
- Department of Pathology, School of Medicine, Boston University Medical Campus, Boston, MA 02118
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Nanishi E, Borriello F, O'Meara TR, McGrath ME, Saito Y, Haupt RE, Seo HS, van Haren SD, Brook B, Chen J, Diray-Arce J, Doss-Gollin S, Leon MD, Chew K, Menon M, Song K, Xu AZ, Caradonna TM, Feldman J, Hauser BM, Schmidt AG, Sherman AC, Baden LR, Ernst RK, Dillen C, Weston SM, Johnson RM, Hammond HL, Mayer R, Burke A, Bottazzi ME, Hotez PJ, Strych U, Chang A, Yu J, Barouch DH, Dhe-Paganon S, Zanoni I, Ozonoff A, Frieman MB, Levy O, Dowling DJ. Alum:CpG adjuvant enables SARS-CoV-2 RBD-induced protection in aged mice and synergistic activation of human elder type 1 immunity. bioRxiv 2021. [PMID: 34031655 DOI: 10.1101/2021.05.20.444848] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Global deployment of vaccines that can provide protection across several age groups is still urgently needed to end the COVID-19 pandemic especially for low- and middle-income countries. While vaccines against SARS-CoV-2 based on mRNA and adenoviral-vector technologies have been rapidly developed, additional practical and scalable SARS-CoV-2 vaccines are needed to meet global demand. In this context, protein subunit vaccines formulated with appropriate adjuvants represent a promising approach to address this urgent need. Receptor-binding domain (RBD) is a key target of neutralizing antibodies (Abs) but is poorly immunogenic. We therefore compared pattern recognition receptor (PRR) agonists, including those activating STING, TLR3, TLR4 and TLR9, alone or formulated with aluminum hydroxide (AH), and benchmarked them to AS01B and AS03-like emulsion-based adjuvants for their potential to enhance RBD immunogenicity in young and aged mice. We found that the AH and CpG adjuvant formulation (AH:CpG) demonstrated the highest enhancement of anti-RBD neutralizing Ab titers in both age groups (∼80-fold over AH), and protected aged mice from the SARS-CoV-2 challenge. Notably, AH:CpG-adjuvanted RBD vaccine elicited neutralizing Abs against both wild-type SARS-CoV-2 and B.1.351 variant at serum concentrations comparable to those induced by the authorized mRNA BNT162b2 vaccine. AH:CpG induced similar cytokine and chemokine gene enrichment patterns in the draining lymph nodes of both young adult and aged mice and synergistically enhanced cytokine and chemokine production in human young adult and elderly mononuclear cells. These data support further development of AH:CpG-adjuvanted RBD as an affordable vaccine that may be effective across multiple age groups. One Sentence Summary Alum and CpG enhance SARS-CoV-2 RBD protective immunity, variant neutralization in aged mice and Th1-polarizing cytokine production by human elder leukocytes.
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40
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Garcia-Beltran WF, Lam EC, St Denis K, Nitido AD, Garcia ZH, Hauser BM, Feldman J, Pavlovic MN, Gregory DJ, Poznansky MC, Sigal A, Schmidt AG, Iafrate AJ, Naranbhai V, Balazs AB. Multiple SARS-CoV-2 variants escape neutralization by vaccine-induced humoral immunity. Cell 2021; 184:2372-2383.e9. [PMID: 33743213 PMCID: PMC7953441 DOI: 10.1016/j.cell.2021.03.013] [Citation(s) in RCA: 851] [Impact Index Per Article: 283.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 02/26/2021] [Accepted: 03/08/2021] [Indexed: 01/11/2023]
Abstract
Vaccination elicits immune responses capable of potently neutralizing SARS-CoV-2. However, ongoing surveillance has revealed the emergence of variants harboring mutations in spike, the main target of neutralizing antibodies. To understand the impact of these variants, we evaluated the neutralization potency of 99 individuals that received one or two doses of either BNT162b2 or mRNA-1273 vaccines against pseudoviruses representing 10 globally circulating strains of SARS-CoV-2. Five of the 10 pseudoviruses, harboring receptor-binding domain mutations, including K417N/T, E484K, and N501Y, were highly resistant to neutralization. Cross-neutralization of B.1.351 variants was comparable to SARS-CoV and bat-derived WIV1-CoV, suggesting that a relatively small number of mutations can mediate potent escape from vaccine responses. While the clinical impact of neutralization resistance remains uncertain, these results highlight the potential for variants to escape from neutralizing humoral immunity and emphasize the need to develop broadly protective interventions against the evolving pandemic.
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Affiliation(s)
- Wilfredo F Garcia-Beltran
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Pathology, Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Evan C Lam
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Kerri St Denis
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Adam D Nitido
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Zeidy H Garcia
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Maia N Pavlovic
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA 02129, USA
| | - David J Gregory
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA 02129, USA; Pedriatric Infectious Disease, Massachusetts General Hospital for Children, Boston, MA 02114, USA
| | - Mark C Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA 02129, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Alex Sigal
- Africa Health Research Institute, Durban 4001, South Africa; School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban 4041, South Africa; Max Planck Institute for Infection Biology, Berlin 10117, Germany
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - A John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Vivek Naranbhai
- Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA; Dana-Farber Cancer Institute, Boston, MA 02215, USA; Center for the AIDS Programme of Research in South Africa, Durban 4001, South Africa
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41
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Garcia-Beltran WF, Lam EC, St Denis K, Nitido AD, Garcia ZH, Hauser BM, Feldman J, Pavlovic MN, Gregory DJ, Poznansky MC, Sigal A, Schmidt AG, Iafrate AJ, Naranbhai V, Balazs AB. Multiple SARS-CoV-2 variants escape neutralization by vaccine-induced humoral immunity. Cell 2021; 184:2523. [PMID: 33930298 PMCID: PMC8082941 DOI: 10.1016/j.cell.2021.04.006] [Citation(s) in RCA: 161] [Impact Index Per Article: 53.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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42
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Garcia-Beltran WF, Lam EC, St. Denis K, Nitido AD, Garcia ZH, Hauser BM, Feldman J, Pavlovic MN, Gregory DJ, Poznansky MC, Sigal A, Schmidt AG, Iafrate AJ, Naranbhai V, Balazs AB. Multiple SARS-CoV-2 variants escape neutralization by vaccine-induced humoral immunity. medRxiv 2021:2021.02.14.21251704. [PMID: 33619506 PMCID: PMC7899476 DOI: 10.1101/2021.02.14.21251704] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Vaccination elicits immune responses capable of potently neutralizing SARS-CoV-2. However, ongoing surveillance has revealed the emergence of variants harboring mutations in spike, the main target of neutralizing antibodies. To understand the impact of these variants, we evaluated the neutralization potency of 99 individuals that received one or two doses of either BNT162b2 or mRNA-1273 vaccines against pseudoviruses representing 10 globally circulating strains of SARS-CoV-2. Five of the 10 pseudoviruses, harboring receptor-binding domain mutations, including K417N/T, E484K, and N501Y, were highly resistant to neutralization. Crossneutralization of B.1.351 variants was comparable to SARS-CoV and bat-derived WIV1-CoV, suggesting that a relatively small number of mutations can mediate potent escape from vaccine responses. While the clinical impact of neutralization resistance remains uncertain, these results highlight the potential for variants to escape from neutralizing humoral immunity and emphasize the need to develop broadly protective interventions against the evolving pandemic.
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Affiliation(s)
- Wilfredo F. Garcia-Beltran
- These authors contributed equally
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA, 02115, USA
| | - Evan C. Lam
- These authors contributed equally
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Kerri St. Denis
- These authors contributed equally
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Adam D. Nitido
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Zeidy H. Garcia
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - Maia N. Pavlovic
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA, 02129, USA
| | - David J. Gregory
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA, 02129, USA
- Pedriatric Infectious Disease, Massachusetts General Hospital for Children, Boston, MA 02114, USA
| | - Mark C. Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital, Boston, MA, 02129, USA
- Department of Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Alex Sigal
- Africa Health Research Institute, Durban, 4001, South Africa
- School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, 4041 South Africa
- Max Planck Institute for Infection Biology, Berlin, 10117, Germany
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, 02139, USA
| | - A. John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Vivek Naranbhai
- Department of Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
- Dana-Farber Cancer Institute, Boston, MA, 02215, USA
- Center for the AIDS Programme of Research in South Africa, Durban, 4001, South Africa
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43
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Tong P, Gautam A, Windsor I, Travers M, Chen Y, Garcia N, Whiteman NB, McKay LG, Lelis FJ, Habibi S, Cai Y, Rennick LJ, Duprex WP, McCarthy KR, Lavine CL, Zuo T, Lin J, Zuiani A, Feldman J, MacDonald EA, Hauser BM, Griffths A, Seaman MS, Schmidt AG, Chen B, Neuberg D, Bajic G, Harrison SC, Wesemann DR. Memory B cell repertoire for recognition of evolving SARS-CoV-2 spike. bioRxiv 2021:2021.03.10.434840. [PMID: 33758863 PMCID: PMC7987022 DOI: 10.1101/2021.03.10.434840] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Memory B cell reserves can generate protective antibodies against repeated SARS-CoV-2 infections, but with an unknown reach from original infection to antigenically drifted variants. We charted memory B cell receptor-encoded monoclonal antibodies (mAbs) from 19 COVID-19 convalescent subjects against SARS-CoV-2 spike (S) and found 7 major mAb competition groups against epitopes recurrently targeted across individuals. Inclusion of published and newly determined structures of mAb-S complexes identified corresponding epitopic regions. Group assignment correlated with cross-CoV-reactivity breadth, neutralization potency, and convergent antibody signatures. mAbs that competed for binding the original S isolate bound differentially to S variants, suggesting the protective importance of otherwise-redundant recognition. The results furnish a global atlas of the S-specific memory B cell repertoire and illustrate properties conferring robustness against emerging SARS-CoV-2 variants.
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Affiliation(s)
- Pei Tong
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Avneesh Gautam
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Ian Windsor
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Meghan Travers
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yuezhou Chen
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Nicholas Garcia
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Noah B. Whiteman
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Lindsay G.A. McKay
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Felipe J.N. Lelis
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shaghayegh Habibi
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Yongfei Cai
- Laboratory of Molecular Medicine, Boston Children’s Hospital, Boston, MA 02115, USA
| | - Linda J. Rennick
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261
- The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA
| | - W. Paul Duprex
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261
- The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA
| | - Kevin R. McCarthy
- The Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261
- The Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh PA
| | - Christy L. Lavine
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Teng Zuo
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Junrui Lin
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Adam Zuiani
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Elizabeth A. MacDonald
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | - Blake M. Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Anthony Griffths
- Department of Microbiology, Boston University School of Medicine, Boston, MA 02115, USA
- National Emerging Infectious Diseases Laboratories, Boston University, Boston, MA 02115, USA
| | - Michael S. Seaman
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Aaron G. Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
- Department of Microbiology, Harvard Medical School, Boston MA 02115
- Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Bing Chen
- Laboratory of Molecular Medicine, Boston Children’s Hospital, Boston, MA 02115, USA
- Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Donna Neuberg
- Department of Data Science, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Goran Bajic
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
- Laboratory of Molecular Medicine, Boston Children’s Hospital, Boston, MA 02115, USA
| | - Stephen C Harrison
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA
- Laboratory of Molecular Medicine, Boston Children’s Hospital, Boston, MA 02115, USA
- Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
- Howard Hughes Medical Institute, Boston, MA 02115, USA
| | - Duane R. Wesemann
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
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44
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Garcia-Beltran WF, Lam EC, Astudillo MG, Yang D, Miller TE, Feldman J, Hauser BM, Caradonna TM, Clayton KL, Nitido AD, Murali MR, Alter G, Charles RC, Dighe A, Branda JA, Lennerz JK, Lingwood D, Schmidt AG, Iafrate AJ, Balazs AB. COVID-19-neutralizing antibodies predict disease severity and survival. Cell 2021; 184:476-488.e11. [PMID: 33412089 PMCID: PMC7837114 DOI: 10.1016/j.cell.2020.12.015] [Citation(s) in RCA: 463] [Impact Index Per Article: 154.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/17/2020] [Accepted: 12/09/2020] [Indexed: 12/26/2022]
Abstract
Coronavirus disease 2019 (COVID-19) exhibits variable symptom severity ranging from asymptomatic to life-threatening, yet the relationship between severity and the humoral immune response is poorly understood. We examined antibody responses in 113 COVID-19 patients and found that severe cases resulting in intubation or death exhibited increased inflammatory markers, lymphopenia, pro-inflammatory cytokines, and high anti-receptor binding domain (RBD) antibody levels. Although anti-RBD immunoglobulin G (IgG) levels generally correlated with neutralization titer, quantitation of neutralization potency revealed that high potency was a predictor of survival. In addition to neutralization of wild-type SARS-CoV-2, patient sera were also able to neutralize the recently emerged SARS-CoV-2 mutant D614G, suggesting cross-protection from reinfection by either strain. However, SARS-CoV-2 sera generally lacked cross-neutralization to a highly homologous pre-emergent bat coronavirus, WIV1-CoV, which has not yet crossed the species barrier. These results highlight the importance of neutralizing humoral immunity on disease progression and the need to develop broadly protective interventions to prevent future coronavirus pandemics.
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Affiliation(s)
| | - Evan C Lam
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Michael G Astudillo
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Diane Yang
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Tyler E Miller
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | | | - Kiera L Clayton
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Adam D Nitido
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Mandakolathur R Murali
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Richelle C Charles
- Infectious Disease Unit, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Anand Dighe
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - John A Branda
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jochen K Lennerz
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Daniel Lingwood
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - A John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, MA 02114, USA
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45
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Zabaleta N, Dai W, Bhatt U, Chichester JA, Sanmiguel J, Estelien R, Michalson KT, Diop C, Maciorowski D, Qi W, Hudspeth E, Cucalon A, Dyer CD, Pampena MB, Knox JJ, LaRocque RC, Charles RC, Li D, Kim M, Sheridan A, Storm N, Johnson RI, Feldman J, Hauser BM, Zinn E, Ryan A, Kobayashi DT, Chauhan R, McGlynn M, Ryan ET, Schmidt AG, Price B, Honko A, Griffiths A, Yaghmour S, Hodge R, Betts MR, Freeman MW, Wilson JM, Vandenberghe LH. Immunogenicity of an AAV-based, room-temperature stable, single dose COVID-19 vaccine in mice and non-human primates. bioRxiv 2021. [PMID: 33442684 DOI: 10.1101/2021.01.05.422952] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The SARS-CoV-2 pandemic has affected more than 70 million people worldwide and resulted in over 1.5 million deaths. A broad deployment of effective immunization campaigns to achieve population immunity at global scale will depend on the biological and logistical attributes of the vaccine. Here, two adeno-associated viral (AAV)-based vaccine candidates demonstrate potent immunogenicity in mouse and nonhuman primates following a single injection. Peak neutralizing antibody titers remain sustained at 5 months and are complemented by functional memory T-cells responses. The AAVrh32.33 capsid of the AAVCOVID vaccine is an engineered AAV to which no relevant pre-existing immunity exists in humans. Moreover, the vaccine is stable at room temperature for at least one month and is produced at high yields using established commercial manufacturing processes in the gene therapy industry. Thus, this methodology holds as a very promising single dose, thermostable vaccine platform well-suited to address emerging pathogens on a global scale.
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46
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Zohar T, Loos C, Fischinger S, Atyeo C, Wang C, Slein MD, Burke J, Yu J, Feldman J, Hauser BM, Caradonna T, Schmidt AG, Cai Y, Streeck H, Ryan ET, Barouch DH, Charles RC, Lauffenburger DA, Alter G. Compromised Humoral Functional Evolution Tracks with SARS-CoV-2 Mortality. Cell 2020; 183:1508-1519.e12. [PMID: 33207184 PMCID: PMC7608014 DOI: 10.1016/j.cell.2020.10.052] [Citation(s) in RCA: 210] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/15/2020] [Accepted: 10/29/2020] [Indexed: 12/19/2022]
Abstract
The urgent need for an effective SARS-CoV-2 vaccine has forced development to progress in the absence of well-defined correlates of immunity. While neutralization has been linked to protection against other pathogens, whether neutralization alone will be sufficient to drive protection against SARS-CoV-2 in the broader population remains unclear. Therefore, to fully define protective humoral immunity, we dissected the early evolution of the humoral response in 193 hospitalized individuals ranging from moderate to severe. Although robust IgM and IgA responses evolved in both survivors and non-survivors with severe disease, non-survivors showed attenuated IgG responses, accompanied by compromised Fcɣ receptor binding and Fc effector activity, pointing to deficient humoral development rather than disease-enhancing humoral immunity. In contrast, individuals with moderate disease exhibited delayed responses that ultimately matured. These data highlight distinct humoral trajectories associated with resolution of SARS-CoV-2 infection and the need for early functional humoral immunity.
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Affiliation(s)
- Tomer Zohar
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Carolin Loos
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA,Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Stephanie Fischinger
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA,PhD Program in Immunology and Virology, University of Duisburg-Essen, Essen, Germany
| | - Caroline Atyeo
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA,PhD Program in Virology, Division of Medical Sciences, Harvard University, Boston, MA, USA
| | - Chuangqi Wang
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - John Burke
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard, Medical School, Boston, MA 02215, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
| | | | - Tim Caradonna
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
| | | | - Yongfei Cai
- Division of Molecular Medicine, Boston Children’s Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA, USA
| | - Hendrik Streeck
- Institute of Virology, University Hospital, University of Bonn and German Center for Infection Research (DZIF), Bonn-Cologne, Bonn, Germany
| | - Edward T. Ryan
- Infectious Disease Division, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Dan H. Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard, Medical School, Boston, MA 02215, USA
| | - Richelle C. Charles
- Infectious Disease Division, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA,Corresponding author
| | - Douglas A. Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA,Corresponding author
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA.
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47
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Chen Y, Zuiani A, Fischinger S, Mullur J, Atyeo C, Travers M, Lelis FJN, Pullen KM, Martin H, Tong P, Gautam A, Habibi S, Bensko J, Gakpo D, Feldman J, Hauser BM, Caradonna TM, Cai Y, Burke JS, Lin J, Lederer JA, Lam EC, Lavine CL, Seaman MS, Chen B, Schmidt AG, Balazs AB, Lauffenburger DA, Alter G, Wesemann DR. Quick COVID-19 Healers Sustain Anti-SARS-CoV-2 Antibody Production. Cell 2020; 183:1496-1507.e16. [PMID: 33171099 PMCID: PMC7608032 DOI: 10.1016/j.cell.2020.10.051] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/28/2020] [Accepted: 10/29/2020] [Indexed: 12/21/2022]
Abstract
Antibodies are key immune effectors that confer protection against pathogenic threats. The nature and longevity of the antibody response to SARS-CoV-2 infection are not well defined. We charted longitudinal antibody responses to SARS-CoV-2 in 92 subjects after symptomatic COVID-19. Antibody responses to SARS-CoV-2 are unimodally distributed over a broad range, with symptom severity correlating directly with virus-specific antibody magnitude. Seventy-six subjects followed longitudinally to ∼100 days demonstrated marked heterogeneity in antibody duration dynamics. Virus-specific IgG decayed substantially in most individuals, whereas a distinct subset had stable or increasing antibody levels in the same time frame despite similar initial antibody magnitudes. These individuals with increasing responses recovered rapidly from symptomatic COVID-19 disease, harbored increased somatic mutations in virus-specific memory B cell antibody genes, and had persistent higher frequencies of previously activated CD4+ T cells. These findings illuminate an efficient immune phenotype that connects symptom clearance speed to differential antibody durability dynamics.
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Affiliation(s)
- Yuezhou Chen
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Adam Zuiani
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | | | - Jyotsna Mullur
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Caroline Atyeo
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Meghan Travers
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Felipe J N Lelis
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Krista M Pullen
- Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Hannah Martin
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Pei Tong
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Avneesh Gautam
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Shaghayegh Habibi
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jillian Bensko
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Deborah Gakpo
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | | | - Yongfei Cai
- Boston Children's Hospital, Boston, MA 02115, USA
| | - John S Burke
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA
| | - Junrui Lin
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - James A Lederer
- Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | | | - Christy L Lavine
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Michael S Seaman
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Bing Chen
- Boston Children's Hospital, Boston, MA 02115, USA; Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Alejandro Benjamin Balazs
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Douglas A Lauffenburger
- Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA 02139, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA
| | - Duane R Wesemann
- Department of Medicine, Division of Allergy and Immunology, Division of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Massachusetts Consortium on Pathogen Readiness, Boston, MA 02115, USA.
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48
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Naranbhai V, Chang CC, Beltran WFG, Miller TE, Astudillo MG, Villalba JA, Yang D, Gelfand J, Bernstein BE, Feldman J, Hauser BM, Caradonna TM, Alter G, Murali MR, Jasrasaria R, Quinlan J, Xerras DC, Betancourt JR, Louis DN, Schmidt AG, Lennerz J, Poznansky MC, Iafrate AJ. High Seroprevalence of Anti-SARS-CoV-2 Antibodies in Chelsea, Massachusetts. J Infect Dis 2020; 222:1955-1959. [PMID: 32906151 PMCID: PMC7499676 DOI: 10.1093/infdis/jiaa579] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 09/08/2020] [Indexed: 11/13/2022] Open
Abstract
SARS-CoV-2 antibody testing allows quantitative determination of disease prevalence, which is especially important in high-risk communities. We performed anonymized convenience sampling of 200 currently asymptomatic residents of Chelsea, the epicenter of COVID-19 illness in Massachusetts, by BioMedomics SARS-CoV-2 combined IgM-IgG point-of-care lateral flow immunoassay. The seroprevalence was 31.5% (17.5% IgM+IgG+, 9.0% IgM+IgG-, and 5.0% IgM-IgG+). Of the 200 participants, 50.5% reported no symptoms in the preceding 4 weeks, of which 24.8% (25/101) were seropositive, and 60% of these were IgM+IgG-. These data are the highest seroprevalence rates observed to date and highlight the significant burden of asymptomatic infection.
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Affiliation(s)
- Vivek Naranbhai
- Dana Farber Cancer Institute, Boston, Massachusetts, USA
- MGH Cancer Center, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- Centre for the AIDS Programme of Research in South Africa, Durban, KwaZulu Natal, South Africa
| | - Christina C Chang
- Centre for the AIDS Programme of Research in South Africa, Durban, KwaZulu Natal, South Africa
- Department of Infectious Diseases, Alfred Hospital and Monash University, Melbourne, Victoria, Australia
- Therapeutic and Vaccine Research Programme, Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | | | - Tyler E Miller
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Michael G Astudillo
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Julian A Villalba
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Diane Yang
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jeffrey Gelfand
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- Vaccine and Immunotherapy Center, Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Bradley E Bernstein
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Jared Feldman
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Massachusetts, USA
| | - Blake M Hauser
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Massachusetts, USA
| | - Timothy M Caradonna
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Massachusetts, USA
| | - Galit Alter
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Massachusetts, USA
| | - Mandakolathur R Murali
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- Department of Allergy and Immunology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Rashmi Jasrasaria
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- MGH Chelsea HealthCare Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Joan Quinlan
- Centre for Community Health Improvement, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Dean C Xerras
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- MGH Chelsea HealthCare Center, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Joseph R Betancourt
- Centre for Community Health Improvement, Massachusetts General Hospital, Boston, Massachusetts, USA
- Center for Diversity and Inclusion, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - David N Louis
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Aaron G Schmidt
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, Massachusetts, USA
| | - Jochen Lennerz
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
- Center for Integrated Diagnostics, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Mark C Poznansky
- Department of Medicine, Massachusetts General Hospital, Massachusetts, USA
- Vaccine and Immunotherapy Center, Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - A John Iafrate
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
- Center for Integrated Diagnostics, Massachusetts General Hospital, Boston, Massachusetts, USA
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49
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Wellner A, McMahon C, Gilman MSA, Clements JR, Clark S, Nguyen KM, Ho MH, Shin JE, Feldman J, Hauser BM, Caradonna TM, Wingler LM, Schmidt AG, Marks DS, Abraham J, Kruse AC, Liu CC. Rapid generation of potent antibodies by autonomous hypermutation in yeast. bioRxiv 2020:2020.11.11.378778. [PMID: 33200136 PMCID: PMC7668743 DOI: 10.1101/2020.11.11.378778] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
The predominant approach for antibody generation remains animal immunization, which can yield exceptionally selective and potent antibody clones owing to the powerful evolutionary process of somatic hypermutation. However, animal immunization is inherently slow, has poor compatibility with certain antigens ( e . g ., integral membrane proteins), and suffers from self-tolerance and immunodominance, which limit the functional spectrum of antibodies that can be obtained. Here, we describe A utonomous H ypermutation y E ast surf A ce D isplay (AHEAD), a synthetic recombinant antibody generation technology that imitates somatic hypermutation inside engineered yeast. In AHEAD, antibody fragments are encoded on an error-prone orthogonal DNA replication system, resulting in Saccharomyces cerevisiae populations that continuously mutate surface-displayed antibody repertoires. Simple cycles of yeast culturing and enrichment for antigen binding drive the evolution of high-affinity antibody clones in a readily parallelizable process that takes as little as 2 weeks. We applied AHEAD to generate nanobodies against the SARS-CoV-2 S glycoprotein, a GPCR, and other targets. The SARS-CoV-2 nanobodies, concurrently evolved from an open-source naïve nanobody library in 8 independent experiments, reached subnanomolar affinities through the sequential fixation of multiple mutations over 3-8 AHEAD cycles that saw ∼580-fold and ∼925-fold improvements in binding affinities and pseudovirus neutralization potencies, respectively. These experiments highlight the defining speed, parallelizability, and effectiveness of AHEAD and provide a template for streamlined antibody generation at large with salient utility in rapid response to current and future viral outbreaks.
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50
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Tostanoski LH, Wegmann F, Martinot AJ, Loos C, McMahan K, Mercado NB, Yu J, Chan CN, Bondoc S, Starke CE, Nekorchuk M, Busman-Sahay K, Piedra-Mora C, Wrijil LM, Ducat S, Custers J, Atyeo C, Fischinger S, Burke JS, Feldman J, Hauser BM, Caradonna TM, Bondzie EA, Dagotto G, Gebre MS, Jacob-Dolan C, Lin Z, Mahrokhian SH, Nampanya F, Nityanandam R, Pessaint L, Porto M, Ali V, Benetiene D, Tevi K, Andersen H, Lewis MG, Schmidt AG, Lauffenburger DA, Alter G, Estes JD, Schuitemaker H, Zahn R, Barouch DH. Ad26 vaccine protects against SARS-CoV-2 severe clinical disease in hamsters. Nat Med 2020; 26:1694-1700. [PMID: 32884153 PMCID: PMC7671939 DOI: 10.1038/s41591-020-1070-6] [Citation(s) in RCA: 228] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Accepted: 08/20/2020] [Indexed: 12/14/2022]
Abstract
Coronavirus disease 2019 (COVID-19) in humans is often a clinically mild illness, but some individuals develop severe pneumonia, respiratory failure and death1-4. Studies of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in hamsters5-7 and nonhuman primates8-10 have generally reported mild clinical disease, and preclinical SARS-CoV-2 vaccine studies have demonstrated reduction of viral replication in the upper and lower respiratory tracts in nonhuman primates11-13. Here we show that high-dose intranasal SARS-CoV-2 infection in hamsters results in severe clinical disease, including high levels of virus replication in tissues, extensive pneumonia, weight loss and mortality in a subset of animals. A single immunization with an adenovirus serotype 26 vector-based vaccine expressing a stabilized SARS-CoV-2 spike protein elicited binding and neutralizing antibody responses and protected against SARS-CoV-2-induced weight loss, pneumonia and mortality. These data demonstrate vaccine protection against SARS-CoV-2 clinical disease. This model should prove useful for preclinical studies of SARS-CoV-2 vaccines, therapeutics and pathogenesis.
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Affiliation(s)
- Lisa H Tostanoski
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Frank Wegmann
- Janssen Vaccines & Prevention BV, Leiden, Netherlands
| | - Amanda J Martinot
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Tufts University Cummings School of Veterinary Medicine, North Grafton, MA, USA
| | - Carolin Loos
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Katherine McMahan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Noe B Mercado
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jingyou Yu
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Chi N Chan
- Oregon Health & Sciences University, Beaverton, OR, USA
| | | | | | | | | | - Cesar Piedra-Mora
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Tufts University Cummings School of Veterinary Medicine, North Grafton, MA, USA
| | - Linda M Wrijil
- Tufts University Cummings School of Veterinary Medicine, North Grafton, MA, USA
| | - Sarah Ducat
- Tufts University Cummings School of Veterinary Medicine, North Grafton, MA, USA
| | | | - Caroline Atyeo
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Stephanie Fischinger
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - John S Burke
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
| | - Jared Feldman
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Blake M Hauser
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Timothy M Caradonna
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Esther A Bondzie
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Gabriel Dagotto
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Makda S Gebre
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Catherine Jacob-Dolan
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Zijin Lin
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Shant H Mahrokhian
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Felix Nampanya
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Ramya Nityanandam
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | | | | | | | | | | | | | | | - Aaron G Schmidt
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Harvard Medical School, Boston, MA, USA
- Massachusetts Consortium on Pathogen Readiness, Boston, MA, USA
| | | | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA
- Massachusetts Consortium on Pathogen Readiness, Boston, MA, USA
| | - Jacob D Estes
- Oregon Health & Sciences University, Beaverton, OR, USA
| | | | - Roland Zahn
- Janssen Vaccines & Prevention BV, Leiden, Netherlands
| | - Dan H Barouch
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, USA.
- Harvard Medical School, Boston, MA, USA.
- Massachusetts Consortium on Pathogen Readiness, Boston, MA, USA.
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