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Maltseva M, Keeshan A, Cooper C, Langlois MA. Immune imprinting: The persisting influence of the first antigenic encounter with rapidly evolving viruses. Hum Vaccin Immunother 2024; 20:2384192. [PMID: 39149872 PMCID: PMC11328881 DOI: 10.1080/21645515.2024.2384192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 07/08/2024] [Accepted: 07/21/2024] [Indexed: 08/17/2024] Open
Abstract
Immune imprinting is a phenomenon that stems from the fundamentals of immunological memory. Upon recurrent exposures to an evolving pathogen, the immune system must weigh the benefits of rapidly recalling established antibody repertoires with greater affinity to the initial variant or invest additional time and energy in producing de novo responses specific to the emerging variant. In this review, we delve into the mechanistic complexities of immune imprinting and its role in shaping subsequent immune responses, both de novo and recall, against rapidly evolving respiratory viruses such as influenza and coronaviruses. By exploring the duality of immune imprinting, we examine its potential to both enhance or hinder immune protection against disease, while emphasizing the role of host and viral factors. Finally, we explore how different vaccine platforms may affect immune imprinting and comment on vaccine strategies that can favor de novo variant-specific antibody responses.
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Affiliation(s)
- Mariam Maltseva
- Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | - Alexa Keeshan
- School of Epidemiology and Public Health, University of Ottawa Faculty of Medicine, Ottawa, ON, Canada
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Curtis Cooper
- School of Epidemiology and Public Health, University of Ottawa Faculty of Medicine, Ottawa, ON, Canada
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Medicine, University of Ottawa, Ottawa, ON, Canada
- Division of Infectious Diseases, Ottawa Hospital Research Institute Clinical Epidemiology Program, Ottawa, ON, Canada
| | - Marc-André Langlois
- Department of Biochemistry, Microbiology & Immunology, Faculty of Medicine, University of Ottawa, Ottawa, Canada
- Center for Infection, Immunity, and Inflammation (CI3), University of Ottawa, Ottawa, ON, Canada
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2
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Paparoditis PCG, Fruehwirth A, Bevc K, Low JS, Jerak J, Terzaghi L, Foglierini M, Fernandez B, Jarrossay D, Corti D, Sallusto F, Lanzavecchia A, Cassotta A. Site-specific serology unveils cross-reactive monoclonal antibodies targeting influenza A hemagglutinin epitopes. Eur J Immunol 2024; 54:e2451045. [PMID: 39031535 DOI: 10.1002/eji.202451045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 07/03/2024] [Accepted: 07/05/2024] [Indexed: 07/22/2024]
Abstract
Efficient identification of human monoclonal antibodies targeting specific antigenic sites is pivotal for advancing vaccines and immunotherapies against infectious diseases and cancer. Existing screening techniques, however, limit our ability to discover monoclonal antibodies with desired specificity. In this study, we introduce a novel method, blocking of binding (BoB) enzyme-linked immunoassay (ELISA), enabling the detection of high-avidity human antibodies directed to defined epitopes. Leveraging BoB-ELISA, we analyzed the antibody response to known epitopes of influenza A hemagglutinin (HA) in the serum of vaccinated donors. Our findings revealed that serum antibodies targeting head epitopes were immunodominant, whereas antibodies against the stem epitope, although subdominant, were highly prevalent. Extending our analysis across multiple HA strains, we examined the cross-reactive antibody response targeting the stem epitope. Importantly, employing BoB-ELISA we identified donors harboring potent heterosubtypic antibodies targeting the HA stem. B-cell clonal analysis of these donors revealed three novel, genealogically independent monoclonal antibodies with broad cross-reactivity to multiple HAs. In summary, we demonstrated that BoB-ELISA is a sensitive technique for measuring B-cell epitope immunogenicity, enabling the identification of novel monoclonal antibodies with implications for enhanced vaccine development and immunotherapies.
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Affiliation(s)
- Philipp C G Paparoditis
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Alexander Fruehwirth
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Kajetana Bevc
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Jun Siong Low
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Josipa Jerak
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Laura Terzaghi
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Mathilde Foglierini
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Blanca Fernandez
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - David Jarrossay
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Davide Corti
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
| | - Federica Sallusto
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
- Institute for Microbiology, ETH Zurich, Zurich, Switzerland
| | - Antonio Lanzavecchia
- Humabs Biomed SA, a subsidiary of Vir Biotechnology, Bellinzona, Switzerland
- National Institute of Molecular Genetics, Milano, Italy
| | - Antonino Cassotta
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
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3
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Goodwin E, Gibbs JS, Yewdell JW, Eisenlohr LC, Hensley SE. Influenza virus antibodies inhibit antigen-specific de novo B cell responses in mice. J Virol 2024; 98:e0076624. [PMID: 39194245 PMCID: PMC11406888 DOI: 10.1128/jvi.00766-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/26/2024] [Indexed: 08/29/2024] Open
Abstract
Antibody responses to influenza vaccines tend to be focused on epitopes encountered during prior influenza exposures, with little production of de novo responses to novel epitopes. To examine the contribution of circulating antibodies to this phenomenon, we passively transferred a hemagglutinin (HA)-specific monoclonal antibody (mAb) into mice before immunizing with whole inactivated virions. The HA mAb inhibited de novo HA-specific antibodies, plasmablasts, germinal center B cells, and memory B cells, while responses to a second antigen in the vaccine, neuraminidase (NA), were uninhibited. The HA mAb potently inhibited de novo antibody responses against epitopes near the HA mAb binding site. The HA mAb also promoted IgG1 class switching, an effect that, unlike the inhibition of HA responses, relied on signaling through Fc-gamma receptors. These studies suggest that circulating antibodies inhibit de novo B cell responses in an antigen-specific manner, which likely contributes to differences in antibody specificities elicited during primary and secondary influenza virus exposures.IMPORTANCEMost humans are exposed to influenza viruses in childhood and then subsequently exposed to antigenically drifted influenza variants later in life. It is unclear if antibodies elicited by earlier influenza virus exposures impact immunity against new influenza virus strains. Here, we used a mouse model to investigate how an anti-hemagglutinin (HA) monoclonal antibody (mAb) affects de novo B cell and antibody responses to the protein targeted by the monoclonal antibody (HA) and a second protein not targeted by the monoclonal antibody [neuraminidase (NA)]. Collectively, our studies suggest that circulating anti-influenza virus antibodies can potently modulate the magnitude and specificity of antibody responses elicited by secondary influenza virus exposures.
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Affiliation(s)
- Eileen Goodwin
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - James S Gibbs
- Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Jonathan W Yewdell
- Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
| | - Laurence C Eisenlohr
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Scott E Hensley
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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4
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Isa F, Gonzalez Ortiz AM, Meyer J, Hamilton JD, Olenchock BA, Brackin T, Ganguly S, Forleo-Neto E, Faria L, Heirman I, Marovich M, Hutter J, Polakowski L, Irvin SC, Thakur M, Hooper AT, Baum A, Petro CD, Fakih FA, McElrath MJ, De Rosa SC, Cohen KW, Williams LD, Hellman CA, Odeh AJ, Patel AH, Tomaras GD, Geba GP, Kyratsous CA, Musser B, Yancopoulos GD, Herman GA. Effect of timing of casirivimab and imdevimab administration relative to mRNA-1273 COVID-19 vaccination on vaccine-induced SARS-CoV-2 neutralising antibody responses: a prospective, open-label, phase 2, randomised controlled trial. THE LANCET. INFECTIOUS DISEASES 2024:S1473-3099(24)00421-3. [PMID: 39236733 DOI: 10.1016/s1473-3099(24)00421-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/19/2024] [Accepted: 06/21/2024] [Indexed: 09/07/2024]
Abstract
BACKGROUND Deeper insight is needed on how monoclonal antibodies (mAbs) affect vaccine-mediated immune responses when targeting the same protein. We describe the first prospective randomised trial designed to understand mAb-mediated alterations in vaccine-induced immune responses to SARS-CoV-2 spike protein epitopes. METHODS This randomised, open-label, parallel-group study assessed the potential interaction of a mAb combination, casirivimab and imdevimab, with a vaccine, Moderna's mRNA-1273, in healthy SARS-CoV-2 immunologically naive, seronegative adults at six centres in the USA. Participants were randomly assigned (per prespecified randomisation ratios within enrolment waves) according to a computer-generated randomisation scheme, stratified by age (<65 years and ≥65 years), to various intravenous or subcutaneous doses of casirivimab and imdevimab before, after, or at the same time as mRNA-1273 or to mRNA-1273 only. The doses of casirivimab and imdevimab were chosen to mimic various time intervals between receipt of 1200 mg of the mAb and the first dose of a primary series with mRNA-1273. The primary endpoint was vaccine-induced 50% inhibitory dilution neutralising antibody titres to SARS-CoV-2 spike protein, 56 days after the first vaccination. Secondary endpoints included vaccine-induced total antibodies to SARS-CoV-2 antigens and incidence of treatment-emergent adverse events. Exploratory endpoints included blood-derived T-cell and B-cell responses. The per-protocol set was used for the analysis of the primary endpoint and included all randomly assigned participants who received both doses of the vaccine and completed the injection or infusion of casirivimab and imdevimab per protocol, had no evidence of SARS-CoV-2 infection in the past or in the 56 days after the first dose of vaccine, and did not receive any intervention outside of the study that could alter the immune response. Safety was assessed in the safety analysis set, which included all randomly assigned participants who had received one or more doses of mRNA-1273 or any study drug, and analysed based on treatment received. The study is registered with ClinicalTrials.gov, NCT04852978, and is complete. FINDINGS Between April 29, 2021, and Nov 21, 2022, 807 participants were assessed for eligibility and 295 were randomly assigned. 293 participants were included in the safety analysis set and 260 were included in the per-protocol set. All vaccinated participants developed neutralising antibodies to SARS-CoV-2, with median titres above the published protective threshold (100 IU/mL) against the SARS-CoV-2 D614G variant (considered a reference strain at the time the initial COVID-19 vaccines were developed). Titres were decreased up to 4-fold (median titres 280-450 IU/mL for casirivimab and imdevimab vs 1160 IU/mL for vaccine only on day 56) when casirivimab and imdevimab was given 85 days or less before vaccination (150-1200 mg intravenously) or co-administered subcutaneously (600 mg or 1200 mg) with vaccination. Minimal reduction in neutralisation titres was observed in the 48 mg and 12 mg intravenous groups, corresponding to receipt of casirivimab and imdevimab 113 days and 169 days, respectively, before vaccination, and when administering the vaccine 6 days before the mAb. Across all groups, mAbs had a minimal effect on vaccine-induced total antibodies and T-cell responses to the spike protein. Casirivimab and imdevimab plus mRNA-1273 was generally well tolerated; a slight increase in treatment-emergent adverse events was observed in the casirivimab and imdevimab plus vaccine groups versus the vaccine-only group. INTERPRETATION Casirivimab and imdevimab administration before or at the time of COVID-19 vaccination reduced the elicitation of SARS-CoV-2 neutralising antibodies, but minimal effect was observed when vaccination occurred before mAb administration. Although the clinical significance of this decrease in neutralisation is unclear, this evidence suggests that further investigation of potential interactions could be warranted before concurrent clinical use of mAbs and vaccines targeting the same viral proteins as their main modes of action for the prevention or treatment of infectious diseases. FUNDING Regeneron Pharmaceuticals and F Hoffmann-La Roche.
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Affiliation(s)
- Flonza Isa
- Regeneron Pharmaceuticals, Tarrytown, NY, USA.
| | | | | | | | | | | | | | | | - Lori Faria
- Regeneron Pharmaceuticals, Tarrytown, NY, USA
| | | | - Mary Marovich
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA
| | - Julia Hutter
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA
| | - Laura Polakowski
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA
| | | | | | | | - Alina Baum
- Regeneron Pharmaceuticals, Tarrytown, NY, USA
| | | | - Faisal A Fakih
- Clinical Site Partners, d/b/a CSP Orlando, Winter Park, FL, USA
| | - M Juliana McElrath
- Fred Hutchinson Cancer Center, Seattle, WA, USA; Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Stephen C De Rosa
- Fred Hutchinson Cancer Center, Seattle, WA, USA; Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA, USA
| | | | | | | | - Ahmad J Odeh
- Duke University School of Medicine, Durham, NC, USA
| | | | | | | | | | - Bret Musser
- Regeneron Pharmaceuticals, Tarrytown, NY, USA
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5
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Ding X, Zhao F, Liu Z, Yao J, Yu H, Zhang X. Original antigenic sin: A potential double-edged effect for vaccine improvement. Biomed Pharmacother 2024; 178:117187. [PMID: 39084082 DOI: 10.1016/j.biopha.2024.117187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/17/2024] [Accepted: 07/22/2024] [Indexed: 08/02/2024] Open
Abstract
Original antigenic sin (OAS) influences the immune response to subsequent infections with related variants following initial pathogen exposure. This phenomenon is characterized by cross-reactivity, which, although it may worsen infections, also provides a degree of protection against immune evasion caused by variations. This paradox complicates the development of creating universal vaccinations, as they frequently show diminished effectiveness against these emerging variants. This review aims to elucidate the diverse impacts of OAS on the immune response to various infections, emphasizing the complicated balance between beneficial and harmful outcomes. Moreover, we evaluate the influence of adjuvants and other variables on the extent of OAS, hence affecting the effectiveness of vaccines. Understanding the mechanisms of OAS that cause persistent infections and evasion of the immune system is crucial for the developing innovative vaccines. And it has significant potential for clinical applications.
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Affiliation(s)
- Xuan Ding
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China
| | - Feijun Zhao
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China; Laboratory Medicine Center, the First Affiliated Hospital of University of South ChinaHengyang 421001, PR China
| | - Zhaoping Liu
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China
| | - Jiangchen Yao
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China
| | - Han Yu
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China
| | - Xiaohong Zhang
- MOE Key Lab of Rare Pediatric Diseases &Institute of Pathogenic Biology and Key Laboratory of Special Pathogen Prevention and Control of Hunan Province, Hengyang Medical College, University of South China, Hengyang 421001, PR China.
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6
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Jones CH, Hauguel T, Beitelshees M, Davitt M, Welch V, Lindert K, Allen P, True JM, Dolsten M. Deciphering immune responses: a comparative analysis of influenza vaccination platforms. Drug Discov Today 2024; 29:104125. [PMID: 39097221 DOI: 10.1016/j.drudis.2024.104125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 06/21/2024] [Accepted: 07/29/2024] [Indexed: 08/05/2024]
Abstract
Influenza still poses a significant challenge due to its high mutation rates and the low effectiveness of traditional vaccines. At present, antibodies that neutralize the highly variable hemagglutinin antigen are a major driver of the observed variable protection. To decipher how influenza vaccines can be improved, an analysis of licensed vaccine platforms was conducted, contrasting the strengths and limitations of their different mechanisms of protection. Through this review, it is evident that these vaccines do not elicit the robust cellular immune response critical for protecting high-risk groups. Emerging platforms, such as RNA vaccines, that induce robust cellular responses that may be additive to the recognized mechanism of protection through hemagglutinin inhibition may overcome these constraints to provide broader, protective immunity. By combining both humoral and cellular responses, such platforms could help guide the future influenza vaccine development.
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Affiliation(s)
| | | | | | | | - Verna Welch
- Pfizer, Hudson Boulevard, New York, NY 10018, USA
| | | | - Pirada Allen
- Pfizer, Hudson Boulevard, New York, NY 10018, USA
| | - Jane M True
- Pfizer, Hudson Boulevard, New York, NY 10018, USA.
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7
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Sircy LM, Ramstead AG, Gibbs LC, Joshi H, Baessler A, Mena I, García-Sastre A, Emerson LL, Fairfax KC, Williams MA, Hale JS. Generation of antigen-specific memory CD4 T cells by heterologous immunization enhances the magnitude of the germinal center response upon influenza infection. PLoS Pathog 2024; 20:e1011639. [PMID: 39283916 PMCID: PMC11404825 DOI: 10.1371/journal.ppat.1011639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 08/05/2024] [Indexed: 09/22/2024] Open
Abstract
Current influenza vaccine strategies have yet to overcome significant obstacles, including rapid antigenic drift of seasonal influenza viruses, in generating efficacious long-term humoral immunity. Due to the necessity of germinal center formation in generating long-lived high affinity antibodies, the germinal center has increasingly become a target for the development of novel or improvement of less-efficacious vaccines. However, there remains a major gap in current influenza research to effectively target T follicular helper cells during vaccination to alter the germinal center reaction. In this study, we used a heterologous infection or immunization priming strategy to seed an antigen-specific memory CD4+ T cell pool prior to influenza infection in mice to evaluate the effect of recalled memory T follicular helper cells in increased help to influenza-specific primary B cells and enhanced generation of neutralizing antibodies. We found that heterologous priming with intranasal infection with acute lymphocytic choriomeningitis virus (LCMV) or intramuscular immunization with adjuvanted recombinant LCMV glycoprotein induced increased antigen-specific effector CD4+ T and B cellular responses following infection with a recombinant influenza strain that expresses LCMV glycoprotein. Heterologously primed mice had increased expansion of secondary Th1 and Tfh cell subsets, including increased CD4+ TRM cells in the lung. However, the early enhancement of the germinal center cellular response following influenza infection did not impact influenza-specific antibody generation or B cell repertoires compared to primary influenza infection. Overall, our study suggests that while heterologous infection or immunization priming of CD4+ T cells is able to enhance the early germinal center reaction, further studies to understand how to target the germinal center and CD4+ T cells specifically to increase long-lived antiviral humoral immunity are needed.
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Affiliation(s)
- Linda M. Sircy
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Andrew G. Ramstead
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, United States of America
| | - Lisa C. Gibbs
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Hemant Joshi
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Andrew Baessler
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Ignacio Mena
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Lyska L. Emerson
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, United States of America
| | - Keke C. Fairfax
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Matthew A. Williams
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
- Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah, United States of America
| | - J. Scott Hale
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
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8
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Goodwin E, Gibbs JS, Yewdell JW, Eisenlohr LC, Hensley SE. Influenza virus antibodies inhibit antigen-specific de novo B cell responses in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.12.589218. [PMID: 38659819 PMCID: PMC11042189 DOI: 10.1101/2024.04.12.589218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Antibody responses to influenza vaccines tend to be focused on epitopes encountered during prior influenza exposures, with little production of de novo responses to novel epitopes. To examine the contribution of circulating antibody to this phenomenon, we passively transferred a hemagglutinin (HA)-specific monoclonal antibody (mAb) into mice before immunizing with whole inactivated virions. The HA mAb inhibited de novo HA-specific antibodies, plasmablasts, germinal center B cells, and memory B cells, while responses to a second antigen in the vaccine, neuraminidase (NA), were uninhibited. The HA mAb potently inhibited de novo antibody responses against epitopes near the HA mAb binding site. The HA mAb also promoted IgG1 class switching, an effect that, unlike the inhibition of HA responses, relied on signaling through Fc-gamma receptors. These studies suggest that circulating antibodies inhibit de novo B cell responses in an antigen-specific manner, which likely contributes to differences in antibody specificities elicited during primary and secondary influenza virus exposures.
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Affiliation(s)
- Eileen Goodwin
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - James S. Gibbs
- Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Jonathan W. Yewdell
- Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
| | - Laurence C. Eisenlohr
- Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia, Philadelphia, PA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
| | - Scott E. Hensley
- Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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9
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Grigoryan L, Feng Y, Bellusci L, Lai L, Wali B, Ellis M, Yuan M, Arunachalam PS, Hu M, Kowli S, Gupta S, Maysel-Auslender S, Maecker HT, Samaha H, Rouphael N, Wilson IA, Moreno AC, Suthar MS, Khurana S, Pillet S, Charland N, Ward BJ, Pulendran B. AS03 adjuvant enhances the magnitude, persistence, and clonal breadth of memory B cell responses to a plant-based COVID-19 vaccine in humans. Sci Immunol 2024; 9:eadi8039. [PMID: 38579013 DOI: 10.1126/sciimmunol.adi8039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 03/11/2024] [Indexed: 04/07/2024]
Abstract
Vaccine adjuvants increase the breadth of serum antibody responses, but whether this is due to the generation of antigen-specific B cell clones with distinct specificities or the maturation of memory B cell clones that produce broadly cross-reactive antibodies is unknown. Here, we longitudinally analyzed immune responses in healthy adults after two-dose vaccination with either a virus-like particle COVID-19 vaccine (CoVLP), CoVLP adjuvanted with AS03 (CoVLP+AS03), or a messenger RNA vaccination (mRNA-1273). CoVLP+AS03 enhanced the magnitude and durability of circulating antibodies and antigen-specific CD4+ T cell and memory B cell responses. Antigen-specific CD4+ T cells in the CoVLP+AS03 group at day 42 correlated with antigen-specific memory B cells at 6 months. CoVLP+AS03 induced memory B cell responses, which accumulated somatic hypermutations over 6 months, resulting in enhanced neutralization breadth of monoclonal antibodies. Furthermore, the fraction of broadly neutralizing antibodies encoded by memory B cells increased between day 42 and 6 months. These results indicate that AS03 enhances the antigenic breadth of B cell memory at the clonal level and induces progressive maturation of the B cell response.
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Affiliation(s)
- Lilit Grigoryan
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Yupeng Feng
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | | | - Lilin Lai
- Department of Pediatrics and Department of Microbiology and Immunology, Emory Vaccine Center, Emory National Primate Research Center, Emory School of Medicine, Atlanta, GA 30329, USA
| | - Bushra Wali
- Department of Pediatrics and Department of Microbiology and Immunology, Emory Vaccine Center, Emory National Primate Research Center, Emory School of Medicine, Atlanta, GA 30329, USA
| | - Madison Ellis
- Department of Pediatrics and Department of Microbiology and Immunology, Emory Vaccine Center, Emory National Primate Research Center, Emory School of Medicine, Atlanta, GA 30329, USA
| | - Meng Yuan
- Department of Integrative Structural and Computational Biology, Scripps Research Institute, La Jolla, CA 92037, USA
| | - Prabhu S Arunachalam
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Mengyun Hu
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Sangeeta Kowli
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Sheena Gupta
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Sofia Maysel-Auslender
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Holden T Maecker
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
| | - Hady Samaha
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Nadine Rouphael
- Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
- Hope Clinic of Emory Vaccine Center, Emory University, Decatur, GA 30030, USA
| | - Ian A Wilson
- Department of Integrative Structural and Computational Biology, Scripps Research Institute, La Jolla, CA 92037, USA
| | - Alberto C Moreno
- Department of Medicine, Emory Vaccine Center, Emory National Primate Research Center, Emory University School of Medicine, Atlanta, GA 30329, USA
| | - Mehul S Suthar
- Department of Pediatrics and Department of Microbiology and Immunology, Emory Vaccine Center, Emory National Primate Research Center, Emory School of Medicine, Atlanta, GA 30329, USA
| | | | - Stéphane Pillet
- Medicago Inc., Québec, QC G1V 3V9, Canada
- Research Institute of the McGill University Health Center, 1001 Decarie St., Montréal, QC H4A 3J1, Canada
| | | | - Brian J Ward
- Medicago Inc., Québec, QC G1V 3V9, Canada
- Research Institute of the McGill University Health Center, 1001 Decarie St., Montréal, QC H4A 3J1, Canada
| | - Bali Pulendran
- Institute for Immunity, Transplantation, and Infection, Stanford University School of Medicine, Stanford University, Stanford, CA 94305, USA
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10
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Ji W, Guthmiller J. Goldilocks Zone of Preexisting Immunity: Too Little or Too Much Suppresses Diverse Antibody Responses Against Influenza Viruses. J Infect Dis 2024; 229:299-302. [PMID: 37979157 PMCID: PMC10873167 DOI: 10.1093/infdis/jiad494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/20/2023] Open
Affiliation(s)
- Wei Ji
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Jenna Guthmiller
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
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11
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Lu X, Liu F, Tzeng WP, York IA, Tumpey TM, Levine MZ. Antibody-Mediated Suppression Regulates the Humoral Immune Response to Influenza Vaccination in Humans. J Infect Dis 2024; 229:310-321. [PMID: 37981659 DOI: 10.1093/infdis/jiad493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 09/29/2023] [Accepted: 11/16/2023] [Indexed: 11/21/2023] Open
Abstract
BACKGROUND Preexisting immunity, including memory B cells and preexisting antibodies, can modulate antibody responses to influenza in vivo to antigenically related antigens. We investigated whether preexisting hemagglutination inhibition (HAI) antibodies targeting the K163 epitope on the hemagglutinin (K163 antibodies) could affect antibody responses following vaccination with A/California/07/2009-like A(H1N1)pdm09 influenza viruses in humans. METHODS Pre- and postvaccination sera collected from 300 adults (birth years, 1961-1998) in 6 seasons (2010-2016) were analyzed by HAI assays with 2 reverse genetics viruses and A(H1N1) viruses circulated from 1977 to 2018. Antibody adsorption assays were used to verify the preexisting K163 antibody-mediated suppression effect. RESULTS Preexisting K163 antibody titers ≥80 affected HAI antibody responses following influenza vaccination containing A/California/07/2009-like antigens. At high K163 antibody concentrations (HAI antibody titers ≥160), all HAI antibody responses were suppressed. However, at moderate K163 antibody concentrations (HAI antibody titer, 80), only K163 epitope-specific antibody responses were suppressed, and novel HAI antibody responses targeting the non-K163 epitopes were induced by vaccination. Novel antibodies targeting non-K163 epitopes cross-reacted with newly emerging A(H1N1)pdm09 strains with a K163Q mutation rather than historic 1977-2007 A(H1N1) viruses. CONCLUSIONS K163 antibody-mediated suppression shapes antibody responses to A(H1N1)pdm09 vaccination. Understanding how preexisting antibodies suppress and redirect vaccine-induced antibody responses is of great importance to improve vaccine effectiveness.
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Affiliation(s)
- Xiuhua Lu
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Feng Liu
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Wen-Ping Tzeng
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Ian A York
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Terrence M Tumpey
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Min Z Levine
- Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia
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12
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Han AX, de Jong SPJ, Russell CA. Co-evolution of immunity and seasonal influenza viruses. Nat Rev Microbiol 2023; 21:805-817. [PMID: 37532870 DOI: 10.1038/s41579-023-00945-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2023] [Indexed: 08/04/2023]
Abstract
Seasonal influenza viruses cause recurring global epidemics by continually evolving to escape host immunity. The viral constraints and host immune responses that limit and drive the evolution of these viruses are increasingly well understood. However, it remains unclear how most of these advances improve the capacity to reduce the impact of seasonal influenza viruses on human health. In this Review, we synthesize recent progress made in understanding the interplay between the evolution of immunity induced by previous infections or vaccination and the evolution of seasonal influenza viruses driven by the heterogeneous accumulation of antibody-mediated immunity in humans. We discuss the functional constraints that limit the evolution of the viruses, the within-host evolutionary processes that drive the emergence of new virus variants, as well as current and prospective options for influenza virus control, including the viral and immunological barriers that must be overcome to improve the effectiveness of vaccines and antiviral drugs.
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Affiliation(s)
- Alvin X Han
- Department of Medical Microbiology & Infection Prevention, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Simon P J de Jong
- Department of Medical Microbiology & Infection Prevention, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Colin A Russell
- Department of Medical Microbiology & Infection Prevention, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands.
- Department of Global Health, School of Public Health, Boston University, Boston, MA, USA.
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13
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Dari A, Solforosi L, Roozendaal R, Hoetelmans RMW, Pérez-Ruixo JJ, Boulton M. Mechanistic Model Describing the Time Course of Humoral Immunity Following Ad26.COV2.S Vaccination in Non-Human Primates. J Pharmacol Exp Ther 2023; 387:121-130. [PMID: 37536955 DOI: 10.1124/jpet.123.001591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 07/14/2023] [Accepted: 07/19/2023] [Indexed: 08/05/2023] Open
Abstract
Mechanistic modeling can be used to describe the time course of vaccine-induced humoral immunity and to identify key biologic drivers in antibody production. We used a six-compartment mechanistic model to describe a 20-week time course of humoral immune responses in 56 non-human primates (NHPs) elicited by vaccination with Ad26.COV2.S according to either a single-dose regimen (1 × 1011 or 5 × 1010 viral particles [vp]) or a two-dose homologous regimen (5 × 1010 vp) given in an interval of 4 or 8 weeks. Humoral immune responses were quantified by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike-specific binding antibody concentrations as determined by spike protein-enzyme-linked immunosorbent assay. The mechanistic model adequately described the central tendency and variability of binding antibody concentrations through 20 weeks in all vaccination arms. The estimation of mechanistic modeling parameters revealed greater contribution of the antibody production mediated by short-lived cells as compared with long-lived cells in driving the peak response, especially post second dose when a more rapid peak response was observed. The antibody production mediated by long-lived cells was identified as relevant for generating the first peak and for contributing to the long-term time course of sustained antibody concentrations in all vaccination arms. The findings contribute evidence on the key biologic components responsible for the observed time course of vaccine-induced humoral immunity in NHPs and constitute a step toward defining immune biomarkers of protection against SARS-CoV-2 that might translate across species. SIGNIFICANCE STATEMENT: We demonstrate the adequacy of a mechanistic modeling approach describing the time course of binding antibody concentrations in non-human primates (NHPs) elicited by different dose levels and regimens of Ad26.COV2.S. The findings are relevant for informing the mechanism-based accounts of vaccine-induced humoral immunity in NHPs and translational research efforts aimed at identifying immune biomarkers of protection against SARS-CoV-2 infection.
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Affiliation(s)
- Anna Dari
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
| | - Laura Solforosi
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
| | - Ramon Roozendaal
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
| | - Richard M W Hoetelmans
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
| | - Juan-José Pérez-Ruixo
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
| | - Muriel Boulton
- Janssen Research and Development, Beerse, Belgium (A.D., R.M.W.H., J.-J.P.-R., M.B.); and Janssen Vaccines and Prevention B.V., Leiden, The Netherlands (L.S., R.R.)
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14
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Sircy LM, Ramstead AG, Joshi H, Baessler A, Mena I, García-Sastre A, Williams MA, Scott Hale J. Generation of antigen-specific memory CD4 T cells by heterologous immunization enhances the magnitude of the germinal center response upon influenza infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.29.555253. [PMID: 37693425 PMCID: PMC10491174 DOI: 10.1101/2023.08.29.555253] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Current influenza vaccine strategies have yet to overcome significant obstacles, including rapid antigenic drift of seasonal influenza viruses, in generating efficacious long-term humoral immunity. Due to the necessity of germinal center formation in generating long-lived high affinity antibodies, the germinal center has increasingly become a target for the development of novel or improvement of less-efficacious vaccines. However, there remains a major gap in current influenza research to effectively target T follicular helper cells during vaccination to alter the germinal center reaction. In this study, we used a heterologous infection or immunization priming strategy to seed an antigen-specific memory CD4+ T cell pool prior to influenza infection in mice to evaluate the effect of recalled memory T follicular helper cells in increased help to influenza-specific primary B cells and enhanced generation of neutralizing antibodies. We found that heterologous priming with intranasal infection with acute lymphocytic choriomeningitis virus (LCMV) or intramuscular immunization with adjuvanted recombinant LCMV glycoprotein induced increased antigen-specific effector CD4+ T and B cellular responses following infection with a recombinant influenza strain that expresses LCMV glycoprotein. Heterologously primed mice had increased expansion of secondary Th1 and Tfh cell subsets, including increased CD4+ TRM cells in the lung. However, the early enhancement of the germinal center cellular response following influenza infection did not impact influenza-specific antibody generation or B cell repertoires compared to primary influenza infection. Overall, our study suggests that while heterologous infection/immunization priming of CD4+ T cells is able to enhance the early germinal center reaction, further studies to understand how to target the germinal center and CD4+ T cells specifically to increase long-lived antiviral humoral immunity are needed.
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Affiliation(s)
- Linda M. Sircy
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Andrew G. Ramstead
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Hemant Joshi
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Andrew Baessler
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - Ignacio Mena
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Matthew A. Williams
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
| | - J. Scott Hale
- Department of Pathology, University of Utah, Salt Lake City, Utah, United States of America
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15
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Kang M, Lin F, Jiang Z, Tan X, Lin X, Liang Z, Xiao C, Xia Y, Guan W, Yang Z, Yu G, Zanin M, Tang S, Wong S. The impact of pre-existing influenza antibodies and inflammatory status on the influenza vaccine responses in older adults. Influenza Other Respir Viruses 2023; 17:e13172. [PMID: 37457646 PMCID: PMC10339007 DOI: 10.1111/irv.13172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 06/06/2023] [Accepted: 06/10/2023] [Indexed: 07/18/2023] Open
Abstract
Age-associated immune changes and pre-existing influenza immunity are hypothesized to reduce influenza vaccine effectiveness in older adults, although the contribution of each factor is unknown. Here, we constructed influenza-specific IgG landscapes and determined baseline concentrations of cytokines typically associated with chronic inflammation in older adults (TNF-α, IL-10, IL-6, and IFN-γ) in 30 high and 29 low influenza vaccine responders (HR and LR, respectively). In a background of high H3 antibody titers, vaccine-specific H3, but not H1, antibody titers were boosted in LRs to titers comparable to HRs. Pre-vaccination concentrations of IL-10 were higher in LRs compared with HRs and inversely correlated with titers of pre-existing influenza antibodies. Baseline TNF-α concentrations were positively correlated with fold-increases in antibody titers in HRs. Our findings indicate that baseline inflammatory status is an important determinant for generating post-vaccination hemagglutinin-inhibition antibodies in older adults, and IgG responses can be boosted in the context of high pre-existing immunity.
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Affiliation(s)
- Min Kang
- School of Public HealthSouthern Medical UniversityGuangzhouP. R. China
- Guangdong Center for Disease Control and PreventionGuangzhouP. R. China
| | - Fangmei Lin
- Guangzhou Medical University, XinzaoGuangzhouP. R. China
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
| | - Zhanpeng Jiang
- Guangzhou Medical University, XinzaoGuangzhouP. R. China
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
| | - Xiaohua Tan
- Guangdong Center for Disease Control and PreventionGuangzhouP. R. China
| | - Xia Lin
- Guangzhou Medical University, XinzaoGuangzhouP. R. China
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
| | - Zaolan Liang
- Guangzhou Medical University, XinzaoGuangzhouP. R. China
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
- HKU‐Pasteur Research Pole, School of Public Health, LKS Faculty of MedicineThe University of Hong KongHong KongChina
| | - Cheng Xiao
- Guangzhou Medical University, XinzaoGuangzhouP. R. China
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
- HKU‐Pasteur Research Pole, School of Public Health, LKS Faculty of MedicineThe University of Hong KongHong KongChina
| | - Yonghe Xia
- Zhongshan Yiyan Bio‐Pharmaceutical Co., LtdZhongshanP. R. China
| | - Wenda Guan
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
- Guangzhou Institute of Respiratory HealthFirst Affiliated Hospital of Guangzhou Medical University, National Center for Respiratory MedicineGuangzhouP.R. China
| | - Zifeng Yang
- State Key Laboratory for Respiratory Diseases and National Clinical Research Centre for Respiratory DiseaseGuangzhouP.R. China
- Guangzhou Institute of Respiratory HealthFirst Affiliated Hospital of Guangzhou Medical University, National Center for Respiratory MedicineGuangzhouP.R. China
| | - Guangchuang Yu
- Department of Bioinformatics, School of Basic Medical SciencesSouthern Medical UniversityGuangzhouP. R. China
| | - Mark Zanin
- School of Public Health, LKS Faculty of MedicineThe University of Hong KongHong KongChina
- Centre for Immunology & InfectionShatinHong Kong
| | - Shixing Tang
- School of Public HealthSouthern Medical UniversityGuangzhouP. R. China
| | - Sook‐San Wong
- HKU‐Pasteur Research Pole, School of Public Health, LKS Faculty of MedicineThe University of Hong KongHong KongChina
- School of Public Health, LKS Faculty of MedicineThe University of Hong KongHong KongChina
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16
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Zhou Z, Barrett J, He X. Immune Imprinting and Implications for COVID-19. Vaccines (Basel) 2023; 11:vaccines11040875. [PMID: 37112787 PMCID: PMC10142218 DOI: 10.3390/vaccines11040875] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/10/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Immunological memory is the key source of protective immunity against pathogens. At the current stage of the COVID-19 pandemic, heterologous combinations of exposure to viral antigens during infection and/or vaccination shape a distinctive immunological memory. Immune imprinting, the downside of memory, might limit the generation of de novo immune response against variant infection or the response to the next-generation vaccines. Here, we review mechanistic basis of immune imprinting by focusing on B cell immunobiology and discuss the extent to which immune imprinting is harmful, as well as its effect on SARS-CoV-2 infection and vaccination.
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Affiliation(s)
- Zhiqian Zhou
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Julia Barrett
- Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Boston, MA 02115, USA
| | - Xuan He
- Department of Respiratory and Critical Care Medicine, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610213, China
- Precision Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
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17
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Long Z, He J, Shuai Q, Zhang K, Xiang J, Wang H, Xie S, Wang S, Du W, Yao X, Huang J. Influenza vaccination-induced H3 stalk-reactive memory B-cell clone expansion. Vaccine 2023; 41:1132-1141. [PMID: 36621409 DOI: 10.1016/j.vaccine.2022.12.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/07/2023]
Abstract
Current vaccine formulations elicit a recall immune response against viruses by targeting epitopes on the globular head of hemagglutinin (HA), and stalk-reactive antibodies are rarely found. However, stalk-specific memory B-cell expansion after influenza vaccination is poorly understood. In this study, B cells were isolated from individuals immunized with seasonal tetravalent influenza vaccines at days 0 and 28 for H7N9 stimulation in vitro. Plasma and supernatants were collected for the analysis of anti-HA IgG using ELISA and a Luminex assay. Memory B cells were positively enriched, and total RNA was extracted for B cell receptor (BCR) H-CDR3 sequencing. All subjects displayed increased anti-H3 antibody secretion after vaccination, whereas no increase in cH5/3-reactive IgG levels was detected. The number of shared memory B-cell clones among individuals dropped dramatically from 593 to 37. Four out of 5 subjects displayed enhanced frequencies of the VH3-23 and VH3-30 genes, and one exhibited an increase in the frequency of VH1-18, which are associated with the stalk of HA. An increase in H3 stalk-specific antibodies produced by B cells stimulated with H7N9 viruses was detected after vaccination. These results demonstrated that H3 stalk-specific memory B cells can expand and secrete antibodies that bind to the stalk in vitro, although no increase in serum H3 stalk-reactive antibodies was found after vaccination, indicating potential for developing a universal vaccine strategy.
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Affiliation(s)
- Zhaoyi Long
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jiang He
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, China; Department of Blood Transfusion, Suining Central Hospital, Suining, China
| | - Qinglu Shuai
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Ke Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jim Xiang
- Cancer Research Cluster, Saskatchewan Cancer Agency, Division of Oncology, College of Medicine, University of Saskatchewan, Saskatoon, Canada
| | - Huan Wang
- Key Laboratory of Infectious Disease and Biosafety, Provincial Department of Education, Guizhou, Zunyi Medical University, Zunyi, China
| | - Shuang Xie
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Shengyu Wang
- Key Laboratory of Infectious Disease and Biosafety, Provincial Department of Education, Guizhou, Zunyi Medical University, Zunyi, China
| | - Wensheng Du
- Department of Laboratory Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xinsheng Yao
- Department of Immunology, Zunyi Medical University, Zunyi, China
| | - Junqiong Huang
- Department of Blood Transfusion, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
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18
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Aguilar-Bretones M, Fouchier RA, Koopmans MP, van Nierop GP. Impact of antigenic evolution and original antigenic sin on SARS-CoV-2 immunity. J Clin Invest 2023; 133:e162192. [PMID: 36594464 PMCID: PMC9797340 DOI: 10.1172/jci162192] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Infections with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and vaccinations targeting the spike protein (S) offer protective immunity against coronavirus disease 2019 (COVID-19). This immunity may further be shaped by cross-reactivity with common cold coronaviruses. Mutations arising in S that are associated with altered intrinsic virus properties and immune escape result in the continued circulation of SARS-CoV-2 variants. Potentially, vaccine updates will be required to protect against future variants of concern, as for influenza. To offer potent protection against future variants, these second-generation vaccines may need to redirect immunity to epitopes associated with immune escape and not merely boost immunity toward conserved domains in preimmune individuals. For influenza, efficacy of repeated vaccination is hampered by original antigenic sin, an attribute of immune memory that leads to greater induction of antibodies specific to the first-encountered variant of an immunogen compared with subsequent variants. In this Review, recent findings on original antigenic sin are discussed in the context of SARS-CoV-2 evolution. Unanswered questions and future directions are highlighted, with an emphasis on the impact on disease outcome and vaccine design.
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19
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Beyond neutralization: Fc-dependent antibody effector functions in SARS-CoV-2 infection. Nat Rev Immunol 2022:10.1038/s41577-022-00813-1. [PMID: 36536068 PMCID: PMC9761659 DOI: 10.1038/s41577-022-00813-1] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 12/23/2022]
Abstract
Neutralizing antibodies are known to have a crucial role in protecting against SARS-CoV-2 infection and have been suggested to be a useful correlate of protection for vaccine clinical trials and for population-level surveys. In addition to neutralizing virus directly, antibodies can also engage immune effectors through their Fc domains, including Fc receptor-expressing immune cells and complement. The outcome of these interactions depends on a range of factors, including antibody isotype-Fc receptor combinations, Fc receptor-bearing cell types and antibody post-translational modifications. A growing body of evidence has shown roles for these Fc-dependent antibody effector functions in determining the outcome of SARS-CoV-2 infection. However, measuring these functions is more complicated than assays that measure antibody binding and virus neutralization. Here, we examine recent data illuminating the roles of Fc-dependent antibody effector functions in the context of SARS-CoV-2 infection, and we discuss the implications of these data for the development of next-generation SARS-CoV-2 vaccines and therapeutics.
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20
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Cinicola BL, Piano Mortari E, Zicari AM, Agrati C, Bordoni V, Albano C, Fedele G, Schiavoni I, Leone P, Fiore S, Capponi M, Conti MG, Petrarca L, Stefanelli P, Spalice A, Midulla F, Palamara AT, Quinti I, Locatelli F, Carsetti R. The BNT162b2 vaccine induces humoral and cellular immune memory to SARS-CoV-2 Wuhan strain and the Omicron variant in children 5 to 11 years of age. Front Immunol 2022; 13:1094727. [PMID: 36591287 PMCID: PMC9797965 DOI: 10.3389/fimmu.2022.1094727] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 11/29/2022] [Indexed: 12/23/2022] Open
Abstract
SARS-CoV-2 mRNA vaccines prevent severe COVID-19 by generating immune memory, comprising specific antibodies and memory B and T cells. Although children are at low risk of severe COVID-19, the spreading of highly transmissible variants has led to increasing in COVID-19 cases and hospitalizations also in the youngest, but vaccine coverage remains low. Immunogenicity to mRNA vaccines has not been extensively studied in children 5 to 11 years old. In particular, cellular immunity to the wild-type strain (Wuhan) and the cross-reactive response to the Omicron variant of concern has not been investigated. We assessed the humoral and cellular immune response to the SARS-CoV-2 BNT162b2 vaccine in 27 healthy children. We demonstrated that vaccination induced a potent humoral and cellular immune response in all vaccinees. By using spike-specific memory B cells as a measurable imprint of a previous infection, we found that 50% of the children had signs of a past, undiagnosed infection before vaccination. Children with pre-existent immune memory generated significantly increased levels of specific antibodies, and memory T and B cells, directed against not only the wild type virus but also the omicron variant.
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Affiliation(s)
- Bianca Laura Cinicola
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy,Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - E Piano Mortari
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy,B cell unit, Immunology Research Area, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy
| | - Anna Maria Zicari
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Chiara Agrati
- Department of Pediatric Hematology and Oncology and Cell and Gene Therapy, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy
| | - Veronica Bordoni
- Department of Pediatric Hematology and Oncology and Cell and Gene Therapy, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy
| | - Christian Albano
- B cell unit, Immunology Research Area, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy
| | - Giorgio Fedele
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Ilaria Schiavoni
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Pasqualina Leone
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Stefano Fiore
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Martina Capponi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Maria Giulia Conti
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Laura Petrarca
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Paola Stefanelli
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Alberto Spalice
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | - Fabio Midulla
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | | | - Isabella Quinti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology and Oncology and Cell and Gene Therapy, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy,Catholic University of the Sacred Hearth, Rome, Italy
| | - Rita Carsetti
- B cell unit, Immunology Research Area, IRCCS Bambino Gesù Children’s Hospital, Rome, Italy,*Correspondence: Rita Carsetti,
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21
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Desikan R, Linderman SL, Davis C, Zarnitsyna VI, Ahmed H, Antia R. Vaccine models predict rules for updating vaccines against evolving pathogens such as SARS-CoV-2 and influenza in the context of pre-existing immunity. Front Immunol 2022; 13:985478. [PMID: 36263031 PMCID: PMC9574365 DOI: 10.3389/fimmu.2022.985478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
Currently, vaccines for SARS-CoV-2 and influenza viruses are updated if the new vaccine induces higher antibody-titers to circulating variants than current vaccines. This approach does not account for complex dynamics of how prior immunity skews recall responses to the updated vaccine. We: (i) use computational models to mechanistically dissect how prior immunity influences recall responses; (ii) explore how this affects the rules for evaluating and deploying updated vaccines; and (iii) apply this to SARS-CoV-2. Our analysis of existing data suggests that there is a strong benefit to updating the current SARS-CoV-2 vaccines to match the currently circulating variants. We propose a general two-dose strategy for determining if vaccines need updating as well as for vaccinating high-risk individuals. Finally, we directly validate our model by reanalysis of earlier human H5N1 influenza vaccine studies.
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Affiliation(s)
- Rajat Desikan
- Clinical Pharmacology Modeling & Simulation, GlaxoSmithKline (GSK), Stevenage, Hertfordshire, United Kingdom
| | - Susanne L. Linderman
- Department of Microbiology and Immunology, Emory University, Atlanta, GA, United States
| | - Carl Davis
- Department of Microbiology and Immunology, Emory University, Atlanta, GA, United States
| | | | - Hasan Ahmed
- Department of Biology, Emory University, Atlanta, GA, United States
| | - Rustom Antia
- Department of Biology, Emory University, Atlanta, GA, United States
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22
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Sicca F, Sakorafa E, de Jonge A, de Vries-Idema J, Zhou F, Cox RJ, Huckriede A. The evolution of humoral immune responses to past and novel influenza virus strains gives evidence for antigenic seniority. Front Immunol 2022; 13:987984. [PMID: 36119111 PMCID: PMC9478913 DOI: 10.3389/fimmu.2022.987984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 08/17/2022] [Indexed: 11/18/2022] Open
Abstract
The high genetic and antigenic variability of influenza virus and the repeated exposures of individuals to the virus over time account for the human immune responses toward this pathogen to continuously evolve during the lifespan of an individual. Influenza-specific immune memory to past strains has been shown to affect the immune responses to subsequent influenza strains and in turn to be changed itself through the new virus encounter. However, exactly how and to what extent this happens remains unclear. Here we studied pre-existing immunity against influenza A virus (IAV) by assessing IAV binding (IgG), neutralizing, and neuraminidase-specific antibodies to 5 different IAV strains in 180 subjects from 3 different age cohorts, adolescents, adults, and elderly, over a 5-year time span. In each age cohort, the highest neutralizing antibody titers were seen for a virus strain that circulated early in their life but the highest increase in titer was found for the most recent virus strains. In contrast, the highest IgG titers were seen against recent virus strains but the biggest increase in titer occurred against older strains. Significant increases in neutralizing antibody titers against a newly encountered virus strain were observed in all age cohorts demonstrating that pre-existing immunity did not hamper antibody induction. Our results indicate that the evolution of influenza-specific humoral immunity differs for rather cross-reactive virus-binding antibodies and more strain-specific neutralizing antibodies. Nevertheless, in general, our observations lend support to the antigenic seniority theory according to which the antibody response to influenza is broadened with each virus encounter, with the earliest encountered strain taking in the most senior and thus dominant position.
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Affiliation(s)
- Federica Sicca
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Eleni Sakorafa
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Anouk de Jonge
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Jacqueline de Vries-Idema
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Fan Zhou
- Influenza Centre, Department of Clinical Science, University of Bergen, Bergen, Norway
- Department Microbiology, Haukeland University Hospital, Bergen, Norway
| | - Rebecca Jane Cox
- Influenza Centre, Department of Clinical Science, University of Bergen, Bergen, Norway
- Department Microbiology, Haukeland University Hospital, Bergen, Norway
| | - Anke Huckriede
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- *Correspondence: Anke Huckriede,
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23
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Capão A, Aguiar-Oliveira ML, Caetano BC, Neves TK, Resende PC, Almeida WAF, Miranda MD, Martins-Filho OA, Brown D, Siqueira MM, Garcia CC. Analysis of Viral and Host Factors on Immunogenicity of 2018, 2019, and 2020 Southern Hemisphere Seasonal Trivalent Inactivated Influenza Vaccine in Adults in Brazil. Viruses 2022; 14:1692. [PMID: 36016313 PMCID: PMC9413331 DOI: 10.3390/v14081692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022] Open
Abstract
Annual vaccination against influenza is the best tool to prevent deaths and hospitalizations. Regular updates of trivalent inactivated influenza vaccines (TIV) are necessary due to high mutation rates in influenza viruses. TIV effectiveness is affected by antigenic mismatches, age, previous immunity, and other host factors. Studying TIV effectiveness annually in different populations is critical. The serological responses to Southern-Hemisphere TIV and circulating influenza strains were evaluated in 2018−2020 among Brazilian volunteers, using hemagglutination inhibition (HI) assays. Post-vaccination titers were corrected to account for pre-vaccination titers. Our population achieved >83% post-vaccination seroprotection levels, whereas seroconversion rates ranged from 10% to 46%. TIV significantly enhanced antibody titers and seroprotection against all prior and contemporary vaccine and circulating strains tested. Strong cross-reactive responses were detected, especially between H1N1 subtypes. A/Singapore/INFIMH-16-0019/2016, included in the 2018 TIV, induced the poorest response. Significant titer and seroprotection reductions were observed 6 and 12 months after vaccination. Age had a slight effect on TIV response, whereas previous vaccination was associated with lower seroconversion rates and titers. Despite this, TIV induced high seroprotection for all strains, in all groups. Regular TIV evaluations, based on regional influenza strain circulation, should be conducted and the factors affecting response studied.
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Affiliation(s)
- Artur Capão
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Maria L. Aguiar-Oliveira
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Braulia C. Caetano
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Thayssa K. Neves
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Paola C. Resende
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Walquiria A. F. Almeida
- Secretariat of Surveillance in Health (SVS), Ministry of Health (MoH), Brasília-Federal District, Rio de Janeiro 70723-040, Brazil;
| | - Milene D. Miranda
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Olindo A.ssis Martins-Filho
- Grupo Integrado de Pesquisas em Biomarcadores, René Rachou Institute, FIOCRUZ, Belo Horizonte 30190-002, Brazil;
| | - David Brown
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
- UK Health Security Agency, 61 Colindale Avenue, London NW9 5EQ, UK
| | - Marilda M. Siqueira
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
| | - Cristiana C. Garcia
- Laboratory of Respiratory Viruses and Measles, National Influenza Center (NIC)/World Health Organization (WHO), Oswaldo Cruz Institute, FIOCRUZ, Rio de Janeiro 21040-900, Brazil; (A.C.); (M.L.A.-O.); (B.C.C.); (T.K.N.); (P.C.R.); (M.D.M.); (D.B.); (M.M.S.)
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24
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Desikan R, Linderman SL, Davis C, Zarnitsyna V, Ahmed H, Antia R. Modeling suggests that multiple immunizations or infections will reveal the benefits of updating SARS-CoV-2 vaccines. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2022:2022.05.21.492928. [PMID: 35665010 PMCID: PMC9164442 DOI: 10.1101/2022.05.21.492928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
When should vaccines to evolving pathogens such as SARS-CoV-2 be updated? Our computational models address this focusing on updating SARS-CoV-2 vaccines to the currently circulating Omicron variant. Current studies typically compare the antibody titers to the new variant following a single dose of the original-vaccine versus the updated-vaccine in previously immunized individuals. These studies find that the updated-vaccine does not induce higher titers to the vaccine-variant compared with the original-vaccine, suggesting that updating may not be needed. Our models recapitulate this observation but suggest that vaccination with the updated-vaccine generates qualitatively different humoral immunity, a small fraction of which is specific for unique epitopes to the new variant. Our simulations suggest that these new variant-specific responses could dominate following subsequent vaccination or infection with either the currently circulating or future variants. We suggest a two-dose strategy for determining if the vaccine needs updating and for vaccinating high-risk individuals.
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Affiliation(s)
- Rajat Desikan
- Clinical Pharmacology Modeling & Simulation, GlaxoSmithKline (GSK), Gunnels Wood Rd, Stevenage, Hertfordshire, SG1 2NY, United Kingdom
- These authors contributed equally
| | - Susanne L. Linderman
- Department of Microbiology and Immunology, Emory University, Atlanta, GA 30322, USA
| | - Carl Davis
- Department of Microbiology and Immunology, Emory University, Atlanta, GA 30322, USA
| | - Veronika Zarnitsyna
- Department of Microbiology and Immunology, Emory University, Atlanta, GA 30322, USA
| | - Hasan Ahmed
- Department of Biology, Emory University, Atlanta, GA 30322, USA
| | - Rustom Antia
- Department of Biology, Emory University, Atlanta, GA 30322, USA
- These authors contributed equally
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25
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Pre-existing antibodies directed against a tetramerizing domain enhance the immune response against artificially stabilized soluble tetrameric influenza neuraminidase. NPJ Vaccines 2022; 7:11. [PMID: 35087067 PMCID: PMC8795415 DOI: 10.1038/s41541-022-00435-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 12/14/2021] [Indexed: 11/09/2022] Open
Abstract
The neuraminidase (NA) is an abundant antigen at the surface of influenza virions. Recent studies have highlighted the immune-protective potential of NA against influenza and defined anti-NA antibodies as an independent correlate of protection. Even though NA head domain changes at a slightly slower pace than hemagglutinin (HA), NA is still subject to antigenic drift, and therefore an NA-based influenza vaccine antigen may have to be updated regularly and thus repeatedly administered. NA is a tetrameric type II membrane protein, which readily dissociates into dimers and monomers when expressed in a soluble form. By using a tetramerizing zipper, such as the tetrabrachion (TB) from Staphylothermus marinus, it is possible to stabilize soluble NA in its active tetrameric conformation, an imperative for the optimal induction of protective NA inhibitory antibodies. The impact of repetitive immunizations with TB-stabilized antigens on the immunogenicity of soluble TB-stabilized NA is unknown. We demonstrate that TB is immunogenic in mice. Interestingly, preexisting anti-TB antibodies enhance the anti-NA antibody response induced by immunization with TB-stabilized NA. This immune-enhancing effect was transferable by serum and operated independently of activating Fcγ receptors. We also demonstrate that priming with TB-stabilized NA antigens, enhances the NA inhibitory antibody responses against a heterosubtypic TB-stabilized NA. These findings have implications for the clinical development of oligomeric vaccine antigens that are stabilized by a heterologous oligomerizing domain.
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26
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Abstract
Antibody immunodominance refers to the preferential and asymmetric elicitation of antibodies against specific epitopes on a complex protein antigen. Traditional vaccination approaches for rapidly evolving pathogens have had limited success in part because of this phenomenon, as elicited antibodies preferentially target highly variable regions of antigens, and thus do not confer long lasting protection. While antibodies targeting functionally conserved epitopes have the potential to be broadly protective, they often make up a minority of the overall repertoire. Here, we discuss recent protein engineering strategies used to favorably alter patterns of immunodominance, and selectively focus antibody responses toward broadly protective epitopes in the pursuit of next-generation vaccines for rapidly evolving pathogens.
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27
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Rudge J, Kushon S. Volumetric absorptive microsampling: its use in COVID-19 research and testing. Bioanalysis 2021; 13:1851-1863. [PMID: 34463128 PMCID: PMC8407274 DOI: 10.4155/bio-2021-0102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/11/2021] [Indexed: 11/25/2022] Open
Abstract
COVID-19 led to changes in the way blood samples are collected. As societies were isolated to control viral spread, access to facilities became limited. Remote sample collection with a volumetric microsampling approach, using Mitra® devices based on VAMS® technology, proved to be highly effective. It allowed people to collect high-quality samples at home and post them to a laboratory. This enabled scientists to conduct large serosurveillance studies, with results showing that seroprevalence of COVID-19 was higher than initially expected. Furthermore, remote microsampling studies by several institutions were conducted to measure the relationship between antigen levels and antibody response and duration. VAMS technology was also used in COVID-19 clinical trials. In summary, the independent research reviewed in this paper proved that VAMS is an effective sample collection alternative.
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Affiliation(s)
- James Rudge
- Neoteryx LLC, 421 Amapola Ave., Torrance, CA 90501, USA
| | - Stuart Kushon
- Neoteryx LLC, 421 Amapola Ave., Torrance, CA 90501, USA
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28
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Oidtman RJ, Arevalo P, Bi Q, McGough L, Russo CJ, Vera Cruz D, Costa Vieira M, Gostic KM. Influenza immune escape under heterogeneous host immune histories. Trends Microbiol 2021; 29:1072-1082. [PMID: 34218981 PMCID: PMC8578193 DOI: 10.1016/j.tim.2021.05.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 11/30/2022]
Abstract
In a pattern called immune imprinting, individuals gain the strongest immune protection against the influenza strains encountered earliest in life. In many recent examples, differences in early infection history can explain birth year-associated differences in susceptibility (cohort effects). Susceptibility shapes strain fitness, but without a clear conceptual model linking host susceptibility to the identity and order of past infections general conclusions on the evolutionary and epidemic implications of cohort effects are not possible. Failure to differentiate between cohort effects caused by differences in the set, rather than the order (path), of past infections is a current source of confusion. We review and refine hypotheses for path-dependent cohort effects, which include imprinting. We highlight strategies to measure their underlying causes and emergent consequences.
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Affiliation(s)
- Rachel J Oidtman
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Philip Arevalo
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Qifang Bi
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Lauren McGough
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | | | - Diana Vera Cruz
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Marcos Costa Vieira
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Katelyn M Gostic
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA.
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29
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Wild K, Smits M, Killmer S, Strohmeier S, Neumann-Haefelin C, Bengsch B, Krammer F, Schwemmle M, Hofmann M, Thimme R, Zoldan K, Boettler T. Pre-existing immunity and vaccine history determine hemagglutinin-specific CD4 T cell and IgG response following seasonal influenza vaccination. Nat Commun 2021; 12:6720. [PMID: 34795301 PMCID: PMC8602312 DOI: 10.1038/s41467-021-27064-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 11/02/2021] [Indexed: 11/09/2022] Open
Abstract
Effectiveness of seasonal influenza vaccination varies between individuals and might be affected by vaccination history among other factors. Here we show, by monitoring frequencies of CD4 T cells specific to the conserved hemagglutinin epitope HA118-132 and titres of IgG against the corresponding recombinant hemagglutinin protein, that antigen-specific CD4 T cell and antibody responses are closely linked to pre-existing immunity and vaccine history. Upon immunization, a strong early reaction is observed in all vaccine naïve participants and also in vaccine experienced individuals who have not received the respective seasonal vaccine in the previous year. This response is characterized by HA118-132 specific CD4 T cells with a follicular helper T cell phenotype and by ascending titers of hemagglutinin-specific antibodies from baseline to day 28 following vaccination. This trend was observed in only a proportion of those participants who received the seasonal vaccine the year preceding the study. Regardless of history, levels of pre-existing antibodies and CD127 expression on CD4 T cells at baseline were the strongest predictors of robust early response. Thus, both pre-existing immunity and vaccine history contribute to the response to seasonal influenza vaccines.
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Affiliation(s)
- Katharina Wild
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Pharmacy, University of Freiburg, Freiburg, Germany
| | - Maike Smits
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Saskia Killmer
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Shirin Strohmeier
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Christoph Neumann-Haefelin
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Bertram Bengsch
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Signalling Research Centres BIOSS and CIBSS, University of Freiburg, Freiburg, Germany
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Martin Schwemmle
- Institute of Virology, Freiburg University Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maike Hofmann
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Robert Thimme
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Katharina Zoldan
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany
- Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Tobias Boettler
- Department of Medicine II, Medical Center - University of Freiburg, Freiburg, Germany.
- Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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30
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Improved immunologic responses to heterologous influenza strains in children with low preexisting antibody response vaccinated with MF59-adjuvanted influenza vaccine. Vaccine 2021; 39:5351-5357. [PMID: 34393015 DOI: 10.1016/j.vaccine.2021.08.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 07/09/2021] [Accepted: 08/07/2021] [Indexed: 01/02/2023]
Abstract
Vaccination is the most effective approach to reduce the substantial morbidity and mortality caused by influenza infection. Vaccine efficacy is highly sensitive to antigenic changes causing differences between circulating and vaccine viruses. Adjuvants such as MF59 increase antibody-mediated cross-reactive immunity and therefore may provide broader seasonal protection. A recent clinical trial showed that an MF59-adjuvanted vaccine was more efficacious than a nonadjuvanted comparator in subjects < 2 years of age, although not in those ≥ 2 years, during influenza seasons in which the predominant circulating virus was an A/H3N2 strain that was antigenically different from the vaccine virus. This finding suggested that the increased efficacy of the adjuvanted vaccine in younger subjects may be mediated by strain cross-reactive antibodies. A subset of the trial population, representing subjects with distinct age and/or immunological history, was tested for antibody responses to the vaccine A/H3N2 strain as well as A/H3N2 drifted strains antigenically matching the viruses circulating during the trial seasons. The neutralizing tests showed that, compared with nonadjuvanted vaccine, the adjuvanted vaccine improved not only the neutralizing antibody response to the vaccine strain but also the cross-reactive antibody response to the drifted strains in subjects with lower preexisting antibody titers, regardless of their age or vaccine history. The results demonstrated an immunological benefit and suggested a potential efficacy benefit by adjuvanted vaccine in subjects with lower preexisting antibody responses.
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31
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Guthmiller JJ, Han J, Li L, Freyn AW, Liu STH, Stovicek O, Stamper CT, Dugan HL, Tepora ME, Utset HA, Bitar DJ, Hamel NJ, Changrob S, Zheng NY, Huang M, Krammer F, Nachbagauer R, Palese P, Ward AB, Wilson PC. First exposure to the pandemic H1N1 virus induced broadly neutralizing antibodies targeting hemagglutinin head epitopes. Sci Transl Med 2021; 13:13/596/eabg4535. [PMID: 34078743 PMCID: PMC10173203 DOI: 10.1126/scitranslmed.abg4535] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/12/2021] [Accepted: 04/13/2021] [Indexed: 11/03/2022]
Abstract
Broadly neutralizing antibodies are critical for protection against both drifted and shifted influenza viruses. Here, we reveal that first exposure to the 2009 pandemic H1N1 influenza virus recalls memory B cells that are specific to the conserved receptor-binding site (RBS) or lateral patch epitopes of the hemagglutinin (HA) head domain. Monoclonal antibodies (mAbs) generated against these epitopes are broadly neutralizing against H1N1 viruses spanning 40 years of viral evolution and provide potent protection in vivo. Lateral patch-targeting antibodies demonstrated near universal binding to H1 viruses, and RBS-binding antibodies commonly cross-reacted with H3N2 viruses and influenza B viruses. Lateral patch-targeting mAbs were restricted to expressing the variable heavy-chain gene VH3-23 with or without the variable kappa-chain gene VK1-33 and often had a Y-x-R motif within the heavy-chain complementarity determining region 3 to make key contacts with HA. Moreover, lateral patch antibodies that used both VH3-23 and VK1-33 maintained neutralizing capability with recent pH1N1 strains that acquired mutations near the lateral patch. RBS-binding mAbs used a diverse repertoire but targeted the RBS epitope similarly and made extensive contacts with the major antigenic site Sb. Together, our data indicate that RBS- and lateral patch-targeting clones are abundant within the human memory B cell pool, and universal vaccine strategies should aim to drive antibodies against both conserved head and stalk epitopes.
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Affiliation(s)
- Jenna J Guthmiller
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA.
| | - Julianna Han
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Lei Li
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Alec W Freyn
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Sean T H Liu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Olivia Stovicek
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | | | - Haley L Dugan
- Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
| | - Micah E Tepora
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Henry A Utset
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Dalia J Bitar
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Natalie J Hamel
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Siriruk Changrob
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Nai-Ying Zheng
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Min Huang
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Raffael Nachbagauer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Peter Palese
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.,Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Andrew B Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.
| | - Patrick C Wilson
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA. .,Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
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Guthmiller JJ, Utset HA, Wilson PC. B Cell Responses against Influenza Viruses: Short-Lived Humoral Immunity against a Life-Long Threat. Viruses 2021; 13:965. [PMID: 34067435 PMCID: PMC8224597 DOI: 10.3390/v13060965] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/17/2021] [Accepted: 05/19/2021] [Indexed: 12/25/2022] Open
Abstract
Antibodies are critical for providing protection against influenza virus infections. However, protective humoral immunity against influenza viruses is limited by the antigenic drift and shift of the major surface glycoproteins, hemagglutinin and neuraminidase. Importantly, people are exposed to influenza viruses throughout their life and tend to reuse memory B cells from prior exposure to generate antibodies against new variants. Despite this, people tend to recall memory B cells against constantly evolving variable epitopes or non-protective antigens, as opposed to recalling them against broadly neutralizing epitopes of hemagglutinin. In this review, we discuss the factors that impact the generation and recall of memory B cells against distinct viral antigens, as well as the immunological limitations preventing broadly neutralizing antibody responses. Lastly, we discuss how next-generation vaccine platforms can potentially overcome these obstacles to generate robust and long-lived protection against influenza A viruses.
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Affiliation(s)
- Jenna J. Guthmiller
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (H.A.U.); (P.C.W.)
| | - Henry A. Utset
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (H.A.U.); (P.C.W.)
| | - Patrick C. Wilson
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL 60637, USA; (H.A.U.); (P.C.W.)
- Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
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33
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Laing ED, Sterling SL, Richard SA, Epsi NJ, Coggins S, Samuels EC, Phogat S, Yan L, Moreno N, Coles CL, Drew M, Mehalko J, English CE, Merritt S, Mende K, Munster VJ, de Wit E, Chung KK, Millar EV, Tribble DR, Simons MP, Pollett SD, Agan BK, Esposito D, Lanteri C, Clifton GT, Mitre E, Burgess TH, Broder CC. Antigen-based multiplex strategies to discriminate SARS-CoV-2 natural and vaccine induced immunity from seasonal human coronavirus humoral responses. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2021:2021.02.10.21251518. [PMID: 33594376 PMCID: PMC7885935 DOI: 10.1101/2021.02.10.21251518] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Sensitive and specific SARS-CoV-2 antibody assays remain critical for community and hospital-based SARS-CoV-2 sero-surveillance. With the rollout of SARS-CoV-2 vaccines, such assays must be able to distinguish vaccine from natural immunity to SARS-CoV-2 and related human coronaviruses. Here, we developed and implemented multiplex microsphere-based immunoassay strategies for COVD-19 antibody studies that incorporates spike protein trimers of SARS-CoV-2 and the endemic seasonal human coronaviruses (HCoV), enabling high throughout measurement of pre-existing cross-reactive antibodies. We varied SARS-CoV-2 antigen compositions within the multiplex assay, allowing direct comparisons of the effects of spike protein, receptor-binding domain protein (RBD) and nucleocapsid protein (NP) based SARS-CoV-2 antibody detection. Multiplex immunoassay performance characteristics are antigen-dependent, and sensitivities and specificities range 92-99% and 94-100%, respectively, for human subject samples collected as early as 7-10 days from symptom onset. SARS-CoV-2 spike and RBD had a strong correlative relationship for the detection of IgG. Correlation between detectable IgG reactive with spike and NP also had strong relationship, however, several PCR-positive and spike IgG-positive serum samples were NP IgG-negative. This spike and NP multiplex immunoassay has the potential to be useful for differentiation between vaccination and natural infection induced antibody responses. We also assessed the induction of de novo SARS-CoV-2 IgG cross reactions with SARS-CoV and MERS-CoV spike proteins. Furthermore, multiplex immunoassays that incorporate spike proteins of SARS-CoV-2 and HCoVs will permit investigations into the influence of HCoV antibodies on COVID-19 clinical outcomes and SARS-CoV-2 antibody durability.
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Affiliation(s)
- Eric D. Laing
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Spencer L. Sterling
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Stephanie A. Richard
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Nusrat J. Epsi
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Si’Ana Coggins
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Emily C. Samuels
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Shreshta Phogat
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Lianying Yan
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Nicole Moreno
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Christian L. Coles
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Matthew Drew
- Protein Expression Laboratory, National Cancer Institute RAS Initiative, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Jennifer Mehalko
- Protein Expression Laboratory, National Cancer Institute RAS Initiative, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Caroline E. English
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Scott Merritt
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA
| | - Katrin Mende
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Brooke Army Medical Center, JBSA Fort Sam Houston, TX, USA
| | - Vincent J. Munster
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Emmie de Wit
- Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, USA
| | - Kevin K. Chung
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Eugene V. Millar
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - David R. Tribble
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Mark P. Simons
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Simon D. Pollett
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Brian K. Agan
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
- Infectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Dominic Esposito
- Protein Expression Laboratory, National Cancer Institute RAS Initiative, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Charlotte Lanteri
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | | | - Edward Mitre
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | - Timothy H. Burgess
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD USA
| | - Christopher C. Broder
- Department of Microbiology and Immunology, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
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Tavasolian F, Rashidi M, Hatam GR, Jeddi M, Hosseini AZ, Mosawi SH, Abdollahi E, Inman RD. HLA, Immune Response, and Susceptibility to COVID-19. Front Immunol 2021; 11:601886. [PMID: 33488597 PMCID: PMC7820778 DOI: 10.3389/fimmu.2020.601886] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/07/2020] [Indexed: 12/23/2022] Open
Abstract
The severe acute respiratory syndrome caused by Coronavirus 2 (SARS-CoV-2) that appeared in December 2019 has precipitated the global pandemic Coronavirus Disease 2019 (COVID-19). However, in many parts of Africa fewer than expected cases of COVID-19, with lower rates of mortality, have been reported. Individual human leukocyte antigen (HLA) alleles can affect both the susceptibility and the severity of viral infections. In the case of COVID-19 such an analysis may contribute to identifying individuals at higher risk of the disease and the epidemiological level to understanding the differences between countries in the epidemic patterns. It is also recognized that first antigen exposure influences the consequence of subsequent exposure. We thus propose a theory incorporating HLA antigens, the "original antigenic sin (OAS)" effect, and presentation of viral peptides which could explain with differential susceptibility or resistance to SARS-CoV-2 infections.
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Affiliation(s)
- Fataneh Tavasolian
- Spondylitis Program, Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
| | - Mohsen Rashidi
- Department of Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Gholam Reza Hatam
- Basic Sciences in Infectious Diseases Research Center, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Marjan Jeddi
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Zavaran Hosseini
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Sayed Hussain Mosawi
- Medical Sciences Research Center, Ghalib University, Kabul, Afghanistan
- COVID-19 Directorate, Ministry of Public Health, Kabul, Afghanistan
| | - Elham Abdollahi
- Department of Medical Immunology and Allergy, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Robert D. Inman
- Spondylitis Program, Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Department of Medicine and Immunology, University of Toronto, Toronto, ON, Canada
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35
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Guthmiller JJ, Lan LYL, Fernández-Quintero ML, Han J, Utset HA, Bitar DJ, Hamel NJ, Stovicek O, Li L, Tepora M, Henry C, Neu KE, Dugan HL, Borowska MT, Chen YQ, Liu STH, Stamper CT, Zheng NY, Huang M, Palm AKE, García-Sastre A, Nachbagauer R, Palese P, Coughlan L, Krammer F, Ward AB, Liedl KR, Wilson PC. Polyreactive Broadly Neutralizing B cells Are Selected to Provide Defense against Pandemic Threat Influenza Viruses. Immunity 2020; 53:1230-1244.e5. [PMID: 33096040 PMCID: PMC7772752 DOI: 10.1016/j.immuni.2020.10.005] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 09/14/2020] [Accepted: 10/07/2020] [Indexed: 12/19/2022]
Abstract
Polyreactivity is the ability of a single antibody to bind to multiple molecularly distinct antigens and is a common feature of antibodies induced upon pathogen exposure. However, little is known about the role of polyreactivity during anti-influenza virus antibody responses. By analyzing more than 500 monoclonal antibodies (mAbs) derived from B cells induced by numerous influenza virus vaccines and infections, we found mAbs targeting conserved neutralizing influenza virus hemagglutinin epitopes were polyreactive. Polyreactive mAbs were preferentially induced by novel viral exposures due to their broad viral binding breadth. Polyreactivity augmented mAb viral binding strength by increasing antibody flexibility, allowing for adaption to imperfectly conserved epitopes. Lastly, we found affinity-matured polyreactive B cells were typically derived from germline polyreactive B cells that were preferentially selected to participate in B cell responses over time. Together, our data reveal that polyreactivity is a beneficial feature of antibodies targeting conserved epitopes.
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Affiliation(s)
- Jenna J Guthmiller
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Linda Yu-Ling Lan
- Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
| | - Monica L Fernández-Quintero
- Center for Molecular Biosciences Innsbruck, Institute of General, Inorganic and Theoretical Chemistry, University of Innsbruck, 6020 Innsbruck, Austria
| | - Julianna Han
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Henry A Utset
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Dalia J Bitar
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Natalie J Hamel
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Olivia Stovicek
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Lei Li
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Micah Tepora
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Carole Henry
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Karlynn E Neu
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA; Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
| | - Haley L Dugan
- Committee on Immunology, University of Chicago, Chicago, IL 60637, USA
| | - Marta T Borowska
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, IL 60637, USA
| | - Yao-Qing Chen
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Sean T H Liu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - Nai-Ying Zheng
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Min Huang
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Anna-Karin E Palm
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA
| | - Adolfo García-Sastre
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Medicine, Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; The Tisch Cancer Center, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Raffael Nachbagauer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Peter Palese
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Lynda Coughlan
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Microbiology and Immunology and Center for Vaccine Development and Global Health, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Andrew B Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Klaus R Liedl
- Center for Molecular Biosciences Innsbruck, Institute of General, Inorganic and Theoretical Chemistry, University of Innsbruck, 6020 Innsbruck, Austria
| | - Patrick C Wilson
- Department of Medicine, Section of Rheumatology, University of Chicago, Chicago, IL 60637, USA; Committee on Immunology, University of Chicago, Chicago, IL 60637, USA.
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36
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Laing E, Sterling S, Richard S, Epsi N, Phogat S, Samuels E, Yan L, Moreno N, Coles C, Drew M, Mehalko J, English C, Merritt S, Mende K, Chung K, Clifton G, Munster V, de Wit E, Tribble D, Agan B, Esposito D, Lanteri C, Mitre E, Burgess T, Broder C. A betacoronavirus multiplex microsphere immunoassay detects early SARS-CoV-2 seroconversion and antibody cross reactions. RESEARCH SQUARE 2020:rs.3.rs-105768. [PMID: 33269345 PMCID: PMC7709164 DOI: 10.21203/rs.3.rs-105768/v1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Sensitive and specific SARS-CoV-2 antibody assays remain critical for community and hospital-based SARS-CoV-2 surveillance. Here, we developed and applied a multiplex microsphere-based immunoassay (MMIA) for COVD-19 antibody studies that incorporates spike protein trimers of SARS-CoV-2, SARS-CoV-1, MERS-CoV, and the seasonal human betacoronaviruses, HCoV-HKU1 and HCoV-OC43, that enables measurement of off-target pre-existing cross-reactive antibodies. The MMIA performances characteristics are: 98% sensitive and 100% specific for human subject samples collected as early as 10 days from symptom onset. The MMIA permitted the simultaneous identification of SARS-CoV-2 seroconversion and the induction of SARS-CoV-2 IgG antibody cross reactions to SARS-CoV-1 and MERS-CoV. Further, synchronous increases of HCoV-OC43 IgG antibody levels was detected with SARS-CoV-2 seroconversion in a subset of subjects for whom early infection sera were available prior to their SARS-CoV-2 seroconversion, suggestive of an HCoV-OC43 memory response triggered by SARS-CoV-2 infection.
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Affiliation(s)
| | | | | | - Nusrat Epsi
- Uniformed Services University/Henry M. Jackson Foundation
| | | | - Emily Samuels
- Uniformed Services University/Henry M. Jackson Foundation
| | - Lianying Yan
- Uniformed Services University of the Health Sciences
| | - Nicole Moreno
- Uniformed Services University/Henry M. Jackson Foundation
| | | | - Matthew Drew
- Frederick National Laboratory for Cancer Research
| | | | | | - Scott Merritt
- Uniformed Services University/Henry M. Jackson Foundation/Brooke Army Medical Center
| | - Katrin Mende
- Uniformed Services University/Henry M. Jackson Foundation/Brooke Army Medical Center
| | | | | | | | - Emmie de Wit
- National Institute of Allergy and Infectious Diseases
| | | | - Brian Agan
- Uniformed Services University/Henry M. Jackson Foundation
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Adjuvanted H5N1 influenza vaccine enhances both cross-reactive memory B cell and strain-specific naive B cell responses in humans. Proc Natl Acad Sci U S A 2020; 117:17957-17964. [PMID: 32661157 DOI: 10.1073/pnas.1906613117] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
There is a need for improved influenza vaccines. In this study we compared the antibody responses in humans after vaccination with an AS03-adjuvanted versus nonadjuvanted H5N1 avian influenza virus inactivated vaccine. Healthy young adults received two doses of either formulation 3 wk apart. We found that AS03 significantly enhanced H5 hemagglutinin (HA)-specific plasmablast and antibody responses compared to the nonadjuvanted vaccine. Plasmablast response after the first immunization was exclusively directed to the conserved HA stem region and came from memory B cells. Monoclonal antibodies (mAbs) derived from these plasmablasts had high levels of somatic hypermutation (SHM) and recognized the HA stem region of multiple influenza virus subtypes. Second immunization induced a plasmablast response to the highly variable HA head region. mAbs derived from these plasmablasts exhibited minimal SHM (naive B cell origin) and largely recognized the HA head region of the immunizing H5N1 strain. Interestingly, the antibody response to H5 HA stem region was much lower after the second immunization, and this suppression was most likely due to blocking of these epitopes by stem-specific antibodies induced by the first immunization. Taken together, these findings show that an adjuvanted influenza vaccine can substantially increase antibody responses in humans by effectively recruiting preexisting memory B cells as well as naive B cells into the response. In addition, we show that high levels of preexisting antibody can have a negative effect on boosting. These findings have implications toward the development of a universal influenza vaccine.
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38
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Knight M, Changrob S, Li L, Wilson PC. Imprinting, immunodominance, and other impediments to generating broad influenza immunity. Immunol Rev 2020; 296:191-204. [PMID: 32666572 DOI: 10.1111/imr.12900] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 12/13/2022]
Abstract
Natural influenza virus infections and seasonal vaccinations often do not confer broadly neutralizing immunity across diverse influenza strains. In addition, the virus is capable of rapid antigenic drift in order to evade pre-existing immunity. The surface glycoproteins, hemagglutinin, and neuraminidase can easily mutate their immunodominant epitopes without impacting fitness. Skewing human antibody repertoires to target more conserved epitopes is thus an expanding area of research: Many groups are attempting to produce universal influenza vaccines that can protect across a wide variety of strains. Achieving this goal will require a detailed understanding of how infection history impacts humoral responses. It will also require the ability to manipulate or enhance B cell selection in order to expand clones that can recognize subdominant but protective epitopes. In this review, we will discuss what immune imprinting means to immunologists and describe efforts to overcome or silence imprinting in order to improve vaccination efficiency.
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Affiliation(s)
- Matthew Knight
- Department of Medicine, Section of Rheumatology, The Knapp Center for Lupus and Immunology Research, The University of Chicago, Chicago, IL, USA
| | - Siriruk Changrob
- Department of Medicine, Section of Rheumatology, The Knapp Center for Lupus and Immunology Research, The University of Chicago, Chicago, IL, USA
| | - Lei Li
- Department of Medicine, Section of Rheumatology, The Knapp Center for Lupus and Immunology Research, The University of Chicago, Chicago, IL, USA
| | - Patrick C Wilson
- Department of Medicine, Section of Rheumatology, The Knapp Center for Lupus and Immunology Research, The University of Chicago, Chicago, IL, USA
- Committee on Immunology, The University of Chicago, Chicago, IL, USA
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39
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Abbott RK, Crotty S. Factors in B cell competition and immunodominance. Immunol Rev 2020; 296:120-131. [PMID: 32483855 PMCID: PMC7641103 DOI: 10.1111/imr.12861] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/20/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023]
Abstract
The majority of all vaccines work by inducing protective antibody responses. The mechanisms by which the B cells responsible for producing protective antibodies are elicited to respond are not well understood. Interclonal B cell competition to complex antigens, particularly in germinal centers, has emerged as an important hurdle in designing effective vaccines. This review will focus on recent advances in understanding the roles of B cell precursor frequency, B cell receptor affinity for antigen, antigen avidity, and other factors that can substantially alter the outcomes of B cell responses to complex antigens. Understanding the interdependence of these fundamental factors that affect B cell responses can inform current vaccine design efforts for pathogens with complex proteins as candidate immunogens such as HIV, influenza, and coronaviruses.
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Affiliation(s)
- Robert K. Abbott
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA 92037 USA
| | - Shane Crotty
- Center for Infectious Disease and Vaccine Research, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA
- Consortium for HIV/AIDS Vaccine Development (CHAVD), The Scripps Research Institute, La Jolla, CA 92037 USA
- Department of Medicine, University of California, San Diego, La Jolla, CA 92037, USA
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40
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Kubo M, Miyauchi K. Breadth of Antibody Responses during Influenza Virus Infection and Vaccination. Trends Immunol 2020; 41:394-405. [PMID: 32265127 DOI: 10.1016/j.it.2020.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 03/07/2020] [Accepted: 03/09/2020] [Indexed: 12/21/2022]
Abstract
Influenza viruses are a major public health problem, causing severe respiratory diseases. Vaccines offer the effective protective strategy against influenza virus infection. However, the systemic and adaptive immune responses to infection and vaccination are quite different. Inactivated vaccines are the best available countermeasure to induce effective antibodies against the emerged virus, but the response is narrow compared with potential breadth of virus infection. There is solid evidence to indicate that antibody responses to natural infection are relatively broad and exhibit quite different immunodominance patterns. Furthermore, T follicular helper cells (TFH) and germinal center (GC) responses play a central role in generating broad protective antibodies. In this review, we discuss recent advances on the contribution of TFH and GC responses to the breadth of antibody responses.
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Affiliation(s)
- Masato Kubo
- Laboratory for Cytokine Regulation, Center for Integrative Medical Science (IMS), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan; Division of Molecular Pathology, Research Institute for Biomedical Science, Tokyo University of Science, 2669 Yamazaki, Noda-shi, Chiba 278-0022, Japan.
| | - Kosuke Miyauchi
- Laboratory for Cytokine Regulation, Center for Integrative Medical Science (IMS), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi, Yokohama, Kanagawa 230-0045, Japan
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41
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Abstract
The adaptive immune response to influenza virus infection is multifaceted and complex, involving antibody and cellular responses at both systemic and mucosal levels. Immune responses to natural infection with influenza virus in humans are relatively broad and long-lived, but influenza viruses can escape from these responses over time owing to their high mutation rates and antigenic flexibility. Vaccines are the best available countermeasure against infection, but vaccine effectiveness is low compared with other viral vaccines, and the induced immune response is narrow and short-lived. Furthermore, inactivated influenza virus vaccines focus on the induction of systemic IgG responses but do not effectively induce mucosal IgA responses. Here, I review the differences between natural infection and vaccination in terms of the antibody responses they induce and how these responses protect against future infection. A better understanding of how natural infection induces broad and long-lived immune responses will be key to developing next-generation influenza virus vaccines.
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A Complex Dance: Measuring the Multidimensional Worlds of Influenza Virus Evolution and Anti-Influenza Immune Responses. Pathogens 2019; 8:pathogens8040238. [PMID: 31731815 PMCID: PMC6963821 DOI: 10.3390/pathogens8040238] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/29/2019] [Accepted: 11/12/2019] [Indexed: 11/17/2022] Open
Abstract
The human antibody response to influenza virus infection or vaccination is as complicated as it is essential for protection against flu. The constant antigenic changes of the virus to escape human herd immunity hinder the yearly selection of vaccine strains since it is hard to predict which virus strains will circulate for the coming flu season. A "universal" influenza vaccine that could induce broad cross-influenza subtype protection would help to address this issue. However, the human antibody response is intricate and often obscure, with factors such as antigenic seniority or original antigenic sin (OAS), and back-boosting ensuring that each person mounts a unique immune response to infection or vaccination with any new influenza virus strain. Notably, the effects of existing antibodies on cross-protective immunity after repeated vaccinations are unclear. More research is needed to characterize the mechanisms at play, but traditional assays such as hemagglutinin inhibition (HAI) and microneutralization (MN) are excessively limited in scope and too resource-intensive to effectively meet this challenge. In the past ten years, new multiple dimensional assays (MDAs) have been developed to help overcome these problems by simultaneously measuring antibodies against a large panel of influenza hemagglutinin (HA) proteins with a minimal amount of sample in a high throughput way. MDAs will likely be a powerful tool for accelerating the study of the humoral immune response to influenza vaccination and the development of a universal influenza vaccine.
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43
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Biswas A, Chakrabarti AK, Dutta S. Current challenges: from the path of “original antigenic sin” towards the development of universal flu vaccines. Int Rev Immunol 2019; 39:21-36. [DOI: 10.1080/08830185.2019.1685990] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Asim Biswas
- Virology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Alok K. Chakrabarti
- Virology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Shanta Dutta
- Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
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Antibody Responses Elicited by Immunization with BG505 Trimer Immune Complexes. J Virol 2019; 93:JVI.01188-19. [PMID: 31375582 DOI: 10.1128/jvi.01188-19] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 07/22/2019] [Indexed: 11/20/2022] Open
Abstract
Immune complex (IC) vaccines have been successfully used to increase immune responses against various pathogens, including HIV-1. Additionally, IC vaccines can induce qualitatively different antibody responses, with distinct antigenic specificities compared to the same antigens used alone. Here we measured the HIV-1-specific antibody responses in female New Zealand White rabbits after immunization with ICs made from BG505 SOSIP.664 trimers (BG505 trimers) and three rabbit monoclonal antibodies (MAbs) with different neutralization profiles. Two of the MAbs were specific for a hole in the glycan shield of the BG505 trimer, while the third, which bound less avidly, was specific for determinants at the gp41-gp120 interface. We found that immunization with one of the glycan-hole-specific ICs resulted in lower levels of trimer-binding antibodies compared to vaccination with the uncomplexed trimer, and that ICs made using either of the glycan-hole-specific MAbs resulted in lower rates of anti-trimer antibody decay. We concluded that ICs based on MAbs that bound to the immunodominant glycan hole epitope likely diverted antibody responses, to some extent, away from this site and to other regions of the trimer. However, this outcome was not accompanied by a widening of the breadth or an increase in the potency of neutralizing antibody responses compared with uncomplexed trimers.IMPORTANCE Immunodominant epitopes may suppress immune responses to more desirable determinants, such as those that elicit potentially protective neutralizing antibody responses. To overcome this problem, we attempted to mask immunodominant glycan holes by immunizing rabbits with ICs consisting of the BG505 SOSIP.664 gp140 trimer and MAbs that targeted the glycan holes. We found that IC vaccination likely diverted antibody responses, to some extent, away from the glycan holes and toward other regions of the trimer. IC vaccination resulted in slower decay of HIV-1-specific antibodies than did immunization with uncomplexed trimer. We did not observe a widening of the breadth or an increase in the potency of neutralizing antibody responses compared to uncomplexed trimers. Our results suggest that selective epitope dampening of BG505 trimers by ICs is rather ineffective. However, IC vaccination may represent a novel means of increasing the duration of vaccine-induced antibody responses.
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45
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Role of Memory B Cells in Hemagglutinin-Specific Antibody Production Following Human Influenza A Virus Infection. Pathogens 2019; 8:pathogens8040167. [PMID: 31569328 PMCID: PMC6963758 DOI: 10.3390/pathogens8040167] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 01/08/2023] Open
Abstract
When influenza A virus infects an immune individual, preexisting memory B cell (MBC) activation and rapid anamnestic antibody production plays a key role in viral clearance. The most effective neutralizing antibodies target the antigenically variable head of the viral hemagglutinin (HA); antibodies against the conserved HA stalk provide broader but less potent protection. In this review, we provide a comprehensive picture of an adult's HA-specific antibody response to influenza virus infection. The process is followed from preexisting HA-specific MBC activation and rapid production of anti-HA antibodies, through to germinal center seeding and adaptation of the response to novel features of the HA. A major focus of the review is the role of competition between preexisting MBCs in determining the character of the HA-reactive antibody response. HA novelty modifies this competition and can shift the response from the immunodominant head to the stalk. We suggest that antibodies resulting from preexisting MBC activation are important regulators of anti-HA antibody production and play a role in positive selection of germinal center B cells reactive to novel HA epitopes. Our review also considers the role of MBCs in the effects of early-life imprinting on HA head- and stalk-specific antibody responses to influenza infection. An understanding of the processes described in this review will guide development of vaccination strategies that provide broadly effective protection.
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46
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Bradt V, Malafa S, von Braun A, Jarmer J, Tsouchnikas G, Medits I, Wanke K, Karrer U, Stiasny K, Heinz FX. Pre-existing yellow fever immunity impairs and modulates the antibody response to tick-borne encephalitis vaccination. NPJ Vaccines 2019; 4:38. [PMID: 31508246 PMCID: PMC6731309 DOI: 10.1038/s41541-019-0133-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/19/2019] [Indexed: 12/29/2022] Open
Abstract
Flaviviruses have an increasing global impact as arthropod-transmitted human pathogens, exemplified by Zika, dengue, yellow fever (YF), West Nile, Japanese encephalitis, and tick-borne encephalitis (TBE) viruses. Since all flaviviruses are antigenically related, they are prone to phenomena of immunological memory ('original antigenic sin'), which can modulate immune responses in the course of sequential infections and/or vaccinations. In our study, we analyzed the influence of pre-existing YF vaccine-derived immunity on the antibody response to TBE vaccination. By comparing samples from YF pre-vaccinated and flavivirus-naive individuals, we show that YF immunity not only caused a significant impairment of the neutralizing antibody response to TBE vaccination but also a reduction of the specific TBE virus neutralizing activities (NT/ELISA-titer ratios). Our results point to a possible negative effect of pre-existing cross-reactive immunity on the outcome of flavivirus vaccination that may also pertain to other combinations of sequential flavivirus infections and/or vaccinations.
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Affiliation(s)
- Victoria Bradt
- Center for Virology, Medical University of Vienna, Vienna, Austria
| | - Stefan Malafa
- Center for Virology, Medical University of Vienna, Vienna, Austria
| | - Amrei von Braun
- Division of Infectious Diseases, Department of Medicine, University Hospital of Zurich, Zurich, Switzerland
- Present Address: Department of Medicine, University Hospital of Leipzig, Leipzig, Germany
| | - Johanna Jarmer
- Center for Virology, Medical University of Vienna, Vienna, Austria
- Present Address: Boehringer Ingelheim RCV GmbH & Co KG, Vienna, Austria
| | - Georgios Tsouchnikas
- Center for Virology, Medical University of Vienna, Vienna, Austria
- Present Address: Hookipa Pharma, Vienna, Austria
| | - Iris Medits
- Center for Virology, Medical University of Vienna, Vienna, Austria
| | - Kerstin Wanke
- Division of Infectious Diseases, Department of Medicine, University Hospital of Zurich, Zurich, Switzerland
- Present Address: Novartis, Rotkreuz, Switzerland
| | - Urs Karrer
- Division of Infectious Diseases, Department of Medicine, University Hospital of Zurich, Zurich, Switzerland
- Present Address: Department of Medicine, Cantonal Hospital of Winterthur, Winterthur, Switzerland
| | - Karin Stiasny
- Center for Virology, Medical University of Vienna, Vienna, Austria
| | - Franz X. Heinz
- Center for Virology, Medical University of Vienna, Vienna, Austria
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47
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Hay JA, Laurie K, White M, Riley S. Characterising antibody kinetics from multiple influenza infection and vaccination events in ferrets. PLoS Comput Biol 2019; 15:e1007294. [PMID: 31425503 PMCID: PMC6715255 DOI: 10.1371/journal.pcbi.1007294] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 08/29/2019] [Accepted: 07/29/2019] [Indexed: 12/20/2022] Open
Abstract
The strength and breadth of an individual's antibody repertoire is an important predictor of their response to influenza infection or vaccination. Although progress has been made in understanding qualitatively how repeated exposures shape the antibody mediated immune response, quantitative understanding remains limited. We developed a set of mathematical models describing short-term antibody kinetics following influenza infection or vaccination and fit them to haemagglutination inhibition (HI) titres from 5 groups of ferrets which were exposed to different combinations of trivalent inactivated influenza vaccine (TIV with or without adjuvant), A/H3N2 priming inoculation and post-vaccination A/H1N1 inoculation. We fit models with various immunological mechanisms that have been empirically observed but have not previously been included in mathematical models of antibody landscapes, including: titre ceiling effects, antigenic seniority and exposure-type specific cross reactivity. Based on the parameter estimates of the best supported models, we describe a number of key immunological features. We found quantifiable differences in the degree of homologous and cross-reactive antibody boosting elicited by different exposure types. Infection and adjuvanted vaccination generally resulted in strong, broadly reactive responses whereas unadjuvanted vaccination resulted in a weak, narrow response. We found that the order of exposure mattered: priming with A/H3N2 improved subsequent vaccine response, and the second dose of adjuvanted vaccination resulted in substantially greater antibody boosting than the first. Either antigenic seniority or a titre ceiling effect were included in the two best fitting models, suggesting a role for a mechanism describing diminishing antibody boosting with repeated exposures. Although there was considerable uncertainty in our estimates of antibody waning parameters, our results suggest that both short and long term waning were present and would be identifiable with a larger set of experiments. These results highlight the potential use of repeat exposure animal models in revealing short-term, strain-specific immune dynamics of influenza.
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MESH Headings
- Adjuvants, Immunologic/administration & dosage
- Animals
- Antibodies, Viral/blood
- Computational Biology
- Cross Reactions
- Disease Models, Animal
- Ferrets/immunology
- Humans
- Immunization, Secondary
- Influenza A Virus, H1N1 Subtype/immunology
- Influenza A Virus, H3N2 Subtype/immunology
- Influenza Vaccines/administration & dosage
- Influenza, Human/immunology
- Influenza, Human/prevention & control
- Kinetics
- Models, Immunological
- Orthomyxoviridae Infections/immunology
- Orthomyxoviridae Infections/virology
- Vaccines, Inactivated/administration & dosage
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Affiliation(s)
- James A. Hay
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, United Kingdom
| | - Karen Laurie
- WHO Collaborating Centre for Reference and Research on Influenza, Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
- Seqirus, 63 Poplar Road, Parkville, Victoria, Australia
| | - Michael White
- Malaria: Parasites and Hosts, Department of Parasites and Insect Vectors, Institut Pasteur, Paris, France
| | - Steven Riley
- MRC Centre for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, United Kingdom
- * E-mail:
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48
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OMIC Technologies and Vaccine Development: From the Identification of Vulnerable Individuals to the Formulation of Invulnerable Vaccines. J Immunol Res 2019; 2019:8732191. [PMID: 31183393 PMCID: PMC6512027 DOI: 10.1155/2019/8732191] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 03/01/2019] [Accepted: 03/06/2019] [Indexed: 12/16/2022] Open
Abstract
Routine vaccination is among the most effective clinical interventions to prevent diseases as it is estimated to save over 3 million lives every year. However, the full potential of global immunization programs is not realised because population coverage is still suboptimal. This is also due to the inadequate immune response and paucity of informative correlates of protection upon immunization of vulnerable individuals such as newborns, preterm infants, pregnant women, and elderly individuals as well as those patients affected by chronic and immune compromising medical conditions. In addition, these groups are undervaccinated for a number of reasons, including lack of awareness of vaccine-preventable diseases and uncertainty or misconceptions about the safety and efficacy of vaccination by parents and healthcare providers. The presence of these nonresponders/undervaccinated individuals represents a major health and economic burden to society, which will become particularly difficult to address in settings with limited public resources. This review describes innovative and experimental approaches that can help identify specific genomic profiles defining nonresponder individuals for whom specific interventions might be needed. We will provide examples that show how such information can be useful to identify novel biomarkers of safety and immunogenicity for future vaccine trials. Finally, we will discuss how system biology “OMICs” data can be used to design bioinformatic tools to predict the vaccination outcome providing genetic and molecular “signatures” of protective immune response. This strategy may soon enable identification of signatures highly predictive of vaccine safety, immunogenicity, and efficacy/protection thereby informing personalized vaccine interventions in vulnerable populations.
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49
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Nienen M, Stervbo U, Mölder F, Kaliszczyk S, Kuchenbecker L, Gayova L, Schweiger B, Jürchott K, Hecht J, Neumann AU, Rahmann S, Westhoff T, Reinke P, Thiel A, Babel N. The Role of Pre-existing Cross-Reactive Central Memory CD4 T-Cells in Vaccination With Previously Unseen Influenza Strains. Front Immunol 2019; 10:593. [PMID: 31019503 PMCID: PMC6458262 DOI: 10.3389/fimmu.2019.00593] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/05/2019] [Indexed: 11/13/2022] Open
Abstract
Influenza vaccination is a common approach to prevent seasonal and pandemic influenza. Pre-existing antibodies against close viral strains might impair antibody formation against previously unseen strains-a process called original antigenic sin. The role of this pre-existing cellular immunity in this process is, despite some hints from animal models, not clear. Here, we analyzed cellular and humoral immunity in healthy individuals before and after vaccination with seasonal influenza vaccine. Based on influenza-specific hemagglutination inhibiting (HI) titers, vaccinees were grouped into HI-negative and -positive cohorts followed by in-depth cytometric and TCR repertoire analysis. Both serological groups revealed cross-reactive T-cell memory to the vaccine strains at baseline that gave rise to the majority of vaccine-specific T-cells post vaccination. On the contrary, very limited number of vaccine-specific T-cell clones was recruited from the naive pool. Furthermore, baseline quantity of vaccine-specific central memory helper T-cells and clonotype richness of this population directly correlated with the vaccination efficacy. Our findings suggest that the deliberate recruitment of pre-existing cross-reactive cellular memory might help to improve vaccination outcome.
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Affiliation(s)
- Mikalai Nienen
- Institute for Medical Immunology, Charité University Medicine Berlin, Berlin, Germany.,Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Berlin, Germany.,Labor Berlin-Charité Vivantes GmbH, Berlin, Germany
| | - Ulrik Stervbo
- Center for Translational Medicine, Immunology and Transplantation, Marien Hospital Herne, Ruhr University Bochum, Herne, Germany
| | - Felix Mölder
- Genome Informatics, Institute of Human Genetics, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Sviatlana Kaliszczyk
- Center for Translational Medicine, Immunology and Transplantation, Marien Hospital Herne, Ruhr University Bochum, Herne, Germany
| | | | | | | | - Karsten Jürchott
- Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Berlin, Germany
| | - Jochen Hecht
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, Barcelona, Spain.,Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Avidan U Neumann
- Institute of Environmental Medicine, German Research Center for Environmental Health, Helmholtz Zentrum München, Augsburg, Germany
| | - Sven Rahmann
- Genome Informatics, Institute of Human Genetics, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Timm Westhoff
- Department of Internal Medicine, Marien Hospital Herne, Ruhr University Bochum, Herne, Germany
| | - Petra Reinke
- Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Berlin, Germany.,Department of Nephrology and Intensive Care, Charité University Medicine Berlin, Berlin, Germany
| | - Andreas Thiel
- Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Berlin, Germany
| | - Nina Babel
- Berlin-Brandenburg Center for Regenerative Therapies, Charité University Medicine Berlin, Berlin, Germany.,Center for Translational Medicine, Immunology and Transplantation, Marien Hospital Herne, Ruhr University Bochum, Herne, Germany.,Department of Nephrology and Intensive Care, Charité University Medicine Berlin, Berlin, Germany
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50
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Sesterhenn F, Galloux M, Vollers SS, Csepregi L, Yang C, Descamps D, Bonet J, Friedensohn S, Gainza P, Corthésy P, Chen M, Rosset S, Rameix-Welti MA, Éléouët JF, Reddy ST, Graham BS, Riffault S, Correia BE. Boosting subdominant neutralizing antibody responses with a computationally designed epitope-focused immunogen. PLoS Biol 2019; 17:e3000164. [PMID: 30789898 PMCID: PMC6400402 DOI: 10.1371/journal.pbio.3000164] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 03/05/2019] [Accepted: 02/08/2019] [Indexed: 12/20/2022] Open
Abstract
Throughout the last several decades, vaccination has been key to prevent and eradicate infectious diseases. However, many pathogens (e.g., respiratory syncytial virus [RSV], influenza, dengue, and others) have resisted vaccine development efforts, largely because of the failure to induce potent antibody responses targeting conserved epitopes. Deep profiling of human B cells often reveals potent neutralizing antibodies that emerge from natural infection, but these specificities are generally subdominant (i.e., are present in low titers). A major challenge for next-generation vaccines is to overcome established immunodominance hierarchies and focus antibody responses on crucial neutralization epitopes. Here, we show that a computationally designed epitope-focused immunogen presenting a single RSV neutralization epitope elicits superior epitope-specific responses compared to the viral fusion protein. In addition, the epitope-focused immunogen efficiently boosts antibodies targeting the palivizumab epitope, resulting in enhanced neutralization. Overall, we show that epitope-focused immunogens can boost subdominant neutralizing antibody responses in vivo and reshape established antibody hierarchies. A computationally designed epitope-focused immunogen presenting a single neutralization epitope from Respiratory Syncytial Virus elicits superior epitope-specific responses compared to the viral fusion protein. Furthermore, epitope-focused immunogens can reshape established antibody hierarchies. Vaccines are one of the most valuable instruments to prevent and control infectious diseases. Their primary correlate of protection is the level of induction of neutralizing antibodies that target critical antigenic sites and thereby block infection. Natural infections with pathogens such as the respiratory syncytial virus (RSV) or influenza induce a broad repertoire of antibodies that target multiple epitopes. Among those, functional antibodies with key specificities are often subdominant (present in low titers). Thus, a central goal for vaccine development is to focus antibody responses on such neutralization epitopes. Here, we show that a computationally designed, epitope-focused immunogen mimicking an important RSV neutralization epitope (site II) can focus antibodies onto this well-defined epitope. In a scenario of preexisting immunity, in which site II–specific antibodies were subdominant, the epitope-focused immunogen selectively boosted site II–specific antibodies, resulting in an increased viral neutralization through this epitope. We propose that rationally designed immunogens spotlighting defined epitopes have a unique potential to focus antibody responses on functionally conserved sites in cases of preexisting immunity. Our results have broad implications for vaccine design as a strategy to steer preexisting antibody responses away from immunodominant, variable epitopes and toward subdominant epitopes that confer broad and potent neutralization.
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MESH Headings
- Animals
- Antibodies, Monoclonal, Humanized/chemistry
- Antibodies, Monoclonal, Humanized/immunology
- Antibodies, Neutralizing/biosynthesis
- Antibodies, Neutralizing/genetics
- Antibodies, Viral/biosynthesis
- Antibodies, Viral/genetics
- Cloning, Molecular
- Computer-Aided Design
- Epitopes/chemistry
- Epitopes/immunology
- Escherichia coli/genetics
- Escherichia coli/metabolism
- Female
- Gene Expression
- Genetic Vectors/chemistry
- Genetic Vectors/metabolism
- Immunization/methods
- Immunogenicity, Vaccine
- Mice
- Mice, Inbred BALB C
- Nanoparticles/administration & dosage
- Nanoparticles/chemistry
- Palivizumab/chemistry
- Palivizumab/immunology
- Receptors, Antigen, B-Cell/chemistry
- Receptors, Antigen, B-Cell/genetics
- Receptors, Antigen, B-Cell/immunology
- Recombinant Fusion Proteins/administration & dosage
- Recombinant Fusion Proteins/chemistry
- Recombinant Fusion Proteins/genetics
- Recombinant Fusion Proteins/immunology
- Respiratory Syncytial Virus Vaccines/administration & dosage
- Respiratory Syncytial Virus Vaccines/biosynthesis
- Respiratory Syncytial Virus Vaccines/genetics
- Respiratory Syncytial Viruses/immunology
- Structural Homology, Protein
- Viral Fusion Proteins/administration & dosage
- Viral Fusion Proteins/chemistry
- Viral Fusion Proteins/genetics
- Viral Fusion Proteins/immunology
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Affiliation(s)
- Fabian Sesterhenn
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Marie Galloux
- Unité de Virologie et Immunologie Moléculaires (UR892), INRA, Université Paris-Saclay, Jouy-en-Josas, France
| | - Sabrina S. Vollers
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Lucia Csepregi
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Che Yang
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Delphyne Descamps
- Unité de Virologie et Immunologie Moléculaires (UR892), INRA, Université Paris-Saclay, Jouy-en-Josas, France
| | - Jaume Bonet
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Simon Friedensohn
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Pablo Gainza
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Patricia Corthésy
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Man Chen
- Viral Pathogenesis Laboratory, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Stéphane Rosset
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Marie-Anne Rameix-Welti
- UMR1173, INSERM, Université de Versailles St. Quentin, Montigny le Bretonneux, France
- AP-HP, Laboratoire de Microbiologie, Hôpital Ambroise Paré, Boulogne-Billancourt, France
| | - Jean-François Éléouët
- Unité de Virologie et Immunologie Moléculaires (UR892), INRA, Université Paris-Saclay, Jouy-en-Josas, France
| | - Sai T. Reddy
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Barney S. Graham
- Viral Pathogenesis Laboratory, Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Sabine Riffault
- Unité de Virologie et Immunologie Moléculaires (UR892), INRA, Université Paris-Saclay, Jouy-en-Josas, France
| | - Bruno E. Correia
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
- * E-mail:
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