1
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Ge P, Ross TM. COBRA HA and NA vaccination elicits long-live protective immune responses against pre-pandemic H2, H5, and H7 influenza virus subtypes. Virology 2024; 597:110119. [PMID: 38850895 DOI: 10.1016/j.virol.2024.110119] [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: 03/19/2024] [Revised: 05/08/2024] [Accepted: 05/21/2024] [Indexed: 06/10/2024]
Abstract
Highly pathogenic avian influenza (HPAI) viruses remain a major threat to both the poultry industry and human public health, and these viruses continue to spread worldwide. In this study, mice were vaccinated with COBRA H2, H5, and H7 hemagglutinin (HA) and two neuraminidase (NA) proteins, N1 and N2. Vaccinated mice were fully protected against lethal challenge with H5N6 influenza virus. Sera collected after vaccination showed cross-reactive IgG antibodies against a panel of wild-type H2, H5, and H7 HA proteins, and N1 and N2 NA proteins. Mice with pre-existing immunity to H1N1 and H3N2 influenza viruses that were subsequently vaccinated with COBRA HA/NA vaccines had enhanced anti-HA stem antibodies compared to vaccinated mice without pre-existing immunity. In addition, sera collected after vaccination had hemagglutinin inhibitory activity against a panel of H2Nx, H5Nx, and H7Nx influenza viruses. These protective antibodies were maintained up for up to 4 months after vaccination.
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Affiliation(s)
- Pan Ge
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, USA; Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL, USA
| | - Ted M Ross
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, USA; Department of Infectious Diseases, University of Georgia, Athens, GA, USA; Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL, USA; Department of Infection Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.
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2
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Nuñez IA, Jang H, Huang Y, Kelvin A, Ross TM. Influenza virus immune imprinting dictates the clinical outcomes in ferrets challenged with highly pathogenic avian influenza virus H5N1. Front Vet Sci 2023; 10:1286758. [PMID: 38170075 PMCID: PMC10759238 DOI: 10.3389/fvets.2023.1286758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024] Open
Abstract
Zoonotic transmission of H5N1 highly pathogenic avian influenza virus (HPAIV) into the human population is an increasing global threat. The recent 2022 HPAIV outbreak significantly highlighted this possibility, increasing concern in the general population. The clinical outcomes of H5N1 influenza virus exposure can be determined by an individual's primary influenza virus infection (imprinting) or vaccination status. Immunological imprinting with Group 1 - (H1N1, H2N2, and H2N3) increases survival rates following H5N1 viral infection compared to Group 2 - (H3N2) imprinted individuals. Vaccination against H5N1 influenza viruses can offer protection to at-risk populations; however, stockpiled inactivated H5N1 influenza vaccines are not readily available to the public. We hypothesize that the immunological response to vaccination and subsequent clinical outcome following H5N1 influenza virus infection is correlated with the immunological imprinting status of an individual. To test this hypothesis, our lab established a ferret pre-immune model of disease. Naïve ferrets were intranasally inoculated with seasonal influenza viruses and allowed to recover for 84 days prior to H5N1 virus infection. Ferrets imprinted following H1N1 and H2N3 virus infections were completely protected against lethal H5N1 influenza virus challenge (100% survival), with few to no clinical symptoms. In comparison, H3N2 influenza virus-imprinted ferrets had severe clinical symptoms, delayed disease progression, and a sublethal phenotype (40% mortality). Consecutive infections with H1N1 influenza viruses followed by an H3N2 influenza virus infection did not abrogate the immune protection induced by the original H1N1 influenza virus infection. In addition, ferrets consecutively infected with H1N1 and H2N3 viruses had no clinical symptoms or weight loss. H3N2 pre-immune ferrets were vaccinated with a broadly reactive H5 HA-based or H1 NA-based vaccine (Hu-CO 2). These ferrets were protected against H5N1 influenza virus challenge, whereas ferrets vaccinated with the H1N1 wild-type CA/09 rHA vaccine had similar phenotypes as non-vaccinated H3N2-imprinted ferrets with 40% survival. Overall, Group 2 imprinted ferrets, which were vaccinated with heterologous Group 1 HA vaccines, had redirected immune responses to Group 1 influenza viral antigens and rescued a sublethal phenotype to complete protection.
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Affiliation(s)
- Ivette A. Nuñez
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, United States
- Department of Infectious Diseases, University of Georgia, Athens, GA, United States
| | - Hyesun Jang
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, United States
| | - Ying Huang
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, United States
| | - Alyson Kelvin
- Vaccine and Infectious Disease Organization (VIDO), University of Saskatchewan, Saskatoon, SK, Canada
| | - Ted M. Ross
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, United States
- Department of Infectious Diseases, University of Georgia, Athens, GA, United States
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3
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Puente-Massaguer E, Vasilev K, Beyer A, Loganathan M, Francis B, Scherm MJ, Arunkumar GA, González-Domínguez I, Zhu X, Wilson IA, Coughlan L, Sun W, Palese P, Krammer F. Chimeric hemagglutinin split vaccines elicit broadly cross-reactive antibodies and protection against group 2 influenza viruses in mice. SCIENCE ADVANCES 2023; 9:eadi4753. [PMID: 37703367 PMCID: PMC10499326 DOI: 10.1126/sciadv.adi4753] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/11/2023] [Indexed: 09/15/2023]
Abstract
Seasonal influenza virus vaccines are effective when they are well matched to circulating strains. Because of antigenic drift/change in the immunodominant hemagglutinin (HA) head domain, annual vaccine reformulations are necessary to maintain a match with circulating strains. In addition, seasonal vaccines provide little to no protection against newly emerging pandemic strains. Sequential vaccination with chimeric HA (cHA) constructs has been proven to direct the immune response toward the immunosubdominant but more conserved HA stalk domain. In this study, we show that immunization with group 2 cHA split vaccines in combination with the CpG 1018 adjuvant elicits broadly cross-reactive antibodies against all group 2 HAs, as well as systemic and local antigen-specific T cell responses. Antibodies elicited after sequential vaccination are directed to conserved regions of the HA such as the stalk and the trimer interface and also to the N2 neuraminidase (NA). Immunized mice were fully protected from challenge with a broad panel of influenza A viruses.
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Affiliation(s)
- Eduard Puente-Massaguer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Kirill Vasilev
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Annika Beyer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Madhumathi Loganathan
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Benjamin Francis
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Michael J. Scherm
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | | | - Xueyong Zhu
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Ian A. Wilson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
- Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Lynda Coughlan
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Center for Vaccine Development and Global Health (CVD), University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Weina Sun
- 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
| | - Florian Krammer
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Center for Vaccine Research and Pandemic Preparedness (C-VaRPP), Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
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4
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Levy S, Abd Alhadi M, Azulay A, Kahana A, Bujanover N, Gazit R, McGargill MA, Friedman LM, Hertz T. FLU-LISA (fluorescence-linked immunosorbent assay): high-throughput antibody profiling using antigen microarrays. Immunol Cell Biol 2023; 101:231-248. [PMID: 36567516 DOI: 10.1111/imcb.12618] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 12/27/2022]
Abstract
Vaccination and natural infection both elicit potent humoral responses that provide protection from subsequent infections. The immune history of an individual following such exposures is in part encoded by antibodies. While there are multiple immunoassays for measuring antibody responses, the majority of these methods measure responses to a single antigen. A commonly used method for measuring antibody responses is ELISA-a semiquantitative assay that is simple to perform in research and clinical settings. Here, we present FLU-LISA (fluorescence-linked immunosorbent assay)-a novel antigen microarray-based assay for rapid high-throughput antibody profiling. The assay can be used for profiling immunoglobulin (Ig) G, IgA and IgM responses to multiple antigens simultaneously, requiring minimal amounts of sample and antigens. Using several influenza and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antigen microarrays, we demonstrated the specificity and sensitivity of our novel assay and compared it with the traditional ELISA, using samples from mice, chickens and humans. We also showed that our assay can be readily used with dried blood spots, which can be collected from humans and wild birds. FLU-LISA can be readily used to profile hundreds of samples against dozens of antigens in a single day, and therefore offers an attractive alternative to the traditional ELISA.
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Affiliation(s)
- Shlomia Levy
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Marwa Abd Alhadi
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Asaf Azulay
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Amit Kahana
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Nir Bujanover
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Roi Gazit
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Maureen A McGargill
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Lilach M Friedman
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel
| | - Tomer Hertz
- The Shraga Segal Department of Microbiology and Immunology, Ben-Gurion University of the Negev, Beer-Sheva, Israel.,National Institute of Biotechnology in the Negev, Beer-Sheva, Israel.,Vaccine and Infectious Disease Division, Fred Hutch Cancer Research Center, Seattle, WA, USA
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5
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King SM, Bryan SP, Hilchey SP, Wang J, Zand MS. First Impressions Matter: Immune Imprinting and Antibody Cross-Reactivity in Influenza and SARS-CoV-2. Pathogens 2023; 12:169. [PMID: 36839441 PMCID: PMC9967769 DOI: 10.3390/pathogens12020169] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 01/24/2023] Open
Abstract
Many rigorous studies have shown that early childhood infections leave a lasting imprint on the immune system. The understanding of this phenomenon has expanded significantly since 1960, when Dr. Thomas Francis Jr first coined the term "original antigenic sin", to account for all previous pathogen exposures, rather than only the first. Now more commonly referred to as "immune imprinting", this effect most often focuses on how memory B-cell responses are shaped by prior antigen exposure, and the resultant antibodies produced after subsequent exposure to antigenically similar pathogens. Although imprinting was originally observed within the context of influenza viral infection, it has since been applied to the pandemic coronavirus SARS-CoV-2. To fully comprehend how imprinting affects the evolution of antibody responses, it is necessary to compare responses elicited by pathogenic strains that are both antigenically similar and dissimilar to strains encountered previously. To accomplish this, we must be able to measure the antigenic distance between strains, which can be easily accomplished using data from multidimensional immunological assays. The knowledge of imprinting, combined with antigenic distance measures, may allow for improvements in vaccine design and development for both influenza and SARS-CoV-2 viruses.
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Affiliation(s)
- Samantha M. King
- Department of Medicine, Division of Nephrology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Shane P. Bryan
- Department of Medicine, Division of Nephrology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Shannon P. Hilchey
- Department of Medicine, Division of Nephrology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Jiong Wang
- Department of Medicine, Division of Nephrology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Martin S. Zand
- Department of Medicine, Division of Nephrology, University of Rochester Medical Center, Rochester, NY 14642, USA
- Clinical and Translational Science Institute, University of Rochester Medical Center, Rochester, NY 14618, USA
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6
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Cable J, Fauci A, Dowling WE, Günther S, Bente DA, Yadav PD, Madoff LC, Wang L, Arora RK, Van Kerkhove M, Chu MC, Jaenisch T, Epstein JH, Frost SDW, Bausch DG, Hensley LE, Bergeron É, Sitaras I, Gunn MD, Geisbert TW, Muñoz‐Fontela C, Krammer F, de Wit E, Nordenfelt P, Saphire EO, Gilbert SC, Corbett KS, Branco LM, Baize S, van Doremalen N, Krieger MA, Clemens SAC, Hesselink R, Hartman D. Lessons from the pandemic: Responding to emerging zoonotic viral diseases-a Keystone Symposia report. Ann N Y Acad Sci 2022; 1518:209-225. [PMID: 36183296 PMCID: PMC9538336 DOI: 10.1111/nyas.14898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The COVID-19 pandemic caught the world largely unprepared, including scientific and policy communities. On April 10-13, 2022, researchers across academia, industry, government, and nonprofit organizations met at the Keystone symposium "Lessons from the Pandemic: Responding to Emerging Zoonotic Viral Diseases" to discuss the successes and challenges of the COVID-19 pandemic and what lessons can be applied moving forward. Speakers focused on experiences not only from the COVID-19 pandemic but also from outbreaks of other pathogens, including the Ebola virus, Lassa virus, and Nipah virus. A general consensus was that investments made during the COVID-19 pandemic in infrastructure, collaborations, laboratory and manufacturing capacity, diagnostics, clinical trial networks, and regulatory enhancements-notably, in low-to-middle income countries-must be maintained and strengthened to enable quick, concerted responses to future threats, especially to zoonotic pathogens.
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Affiliation(s)
| | - Anthony Fauci
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID)National Institutes of Health (NIH)BethesdaMarylandUSA
| | | | - Stephan Günther
- Bernhard Nocht Institute for Tropical Medicine and German Center for Infection ResearchHamburgGermany
| | - Dennis A. Bente
- University of Texas Medical BranchGalveston National LaboratoryGalvestonTexasUSA,Division of Biology and Biological EngineeringCalifornia Institute of TechnologyPasadenaCaliforniaUSA
| | - Pragya Dhruv Yadav
- Indian Council of Medical Research‐National Institute of VirologyPuneIndia
| | - Lawrence C. Madoff
- Department of MedicineUniversity of Massachusetts Chan School of MedicineWorcesterMassachusettsUSA
| | | | - Rahul K. Arora
- Department of Community Health SciencesUniversity of CalgaryCalgaryAlbertaCanada,Institute of Biomedical EngineeringUniversity of OxfordOxfordUK
| | | | - May C. Chu
- Colorado School of Public HealthAnschutz Medical CampusAuroraColoradoUSA
| | - Thomas Jaenisch
- Colorado School of Public HealthAnschutz Medical CampusAuroraColoradoUSA
| | | | | | | | - Lisa E. Hensley
- Partnership for Research on Vaccines and Infectious Diseases in Liberia (PREVAIL)MonroviaLiberia,Division of Clinical ResearchNational Institute of Allergy and Infectious DiseasesBethesdaMarylandUSA
| | - Éric Bergeron
- Viral Special Pathogens Branch, Division of High‐Consequence Pathogens and PathologyCenters for Disease Control and PreventionAtlantaGeorgiaUSA
| | - Ioannis Sitaras
- W. Harry Feinstone Department of Molecular Microbiology and ImmunologyJohns Hopkins Bloomberg School of Public HealthBaltimoreMarylandUSA
| | - Michael D. Gunn
- Department of MedicineDuke University Medical CenterDurhamNorth CarolinaUSA
| | - Thomas W. Geisbert
- University of ManitobaWinnipegManitobaCanada,Galveston National Laboratory and Department of Microbiology and ImmunologyUniversity of Texas Medical BranchGalvestonTexasUSA
| | - César Muñoz‐Fontela
- Bernhard Nocht Institute for Tropical Medicine and German Center for Infection ResearchHamburgGermany
| | - Florian Krammer
- Department of Microbiology and Department of PathologyIcahn School of Medicine at Mount SinaiNew YorkNew YorkUSA
| | - Emmie de Wit
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious DiseasesNational Institutes of HealthHamiltonMontanaUSA
| | - Pontus Nordenfelt
- Department of Clinical Sciences Lund, Infection Medicine, Faculty of MedicineLund UniversityLundSweden
| | - Erica Ollmann Saphire
- Center for Infectious Disease and Vaccine ResearchLa Jolla Institute for ImmunologyLa JollaCaliforniaUSA
| | - Sarah C. Gilbert
- Pandemic Sciences Institute, Nuffield Department of MedicineUniversity of OxfordOxfordUK
| | - Kizzmekia S. Corbett
- Department of Immunology and Infectious DiseasesHarvard T.H. Chan School of Public HealthBostonMassachusettsUSA
| | | | - Sylvain Baize
- Unité de Biologie des Infections Virales EmergentesInstitut PasteurLyonFrance,Centre International de Recherche en Infectiologie (CIRI)LyonFrance,INSERM, Ecole Normale Supérieure de LyonUniversité de LyonLyonFrance
| | - Neeltje van Doremalen
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious DiseasesNational Institutes of HealthHamiltonMontanaUSA
| | - Marco A. Krieger
- Laboratory for Applied Science and Technology in Health, Carlos Chagas InstituteOswaldo Cruz Foundation ‐ ParanáCuritibaBrazil,Integrated Translational Program in Chagas Disease from Fiocruz (Fio‐Chagas)Oswaldo Cruz Foundation ‐ Rio de JaneiroRio de JaneiroBrazil
| | - Sue Ann Costa Clemens
- Oxford Vaccine GroupOxford UniversityOxfordUK,Institute for Global HealthUniversity of SienaSienaItaly
| | - Renske Hesselink
- Coalition for Epidemic Preparedness Innovations (CEPI)OsloNorway
| | - Dan Hartman
- Bill & Melinda Gates FoundationSeattleWashingtonUSA
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7
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Levy S, Abd Alhadi M, Azulay A, Kahana A, Bujanover N, Gazit R, Mcgargill MA, Friedman LM, Hertz T. ELISA–on-Chip: High throughput antibody profiling using antigen microarrays.. [DOI: 10.1101/2022.07.05.22277251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
AbstractVaccination and natural infection both elicit potent humoral responses that provide protection from subsequent infections. The immune-history of an individual following such exposures is in part encoded by antibodies. While there are multiple immunoassays for measuring antibody responses, the majority of these methods measure responses to a single antigen. A commonly used method for measuring antibody responses is the enzyme-linked immunosorbent assay (ELISA) assay - a semi-quantitative assay that is simple to perform in research and clinical settings. Here we present the ELISA-on-Chip assay - a novel antigen microarray based assay for rapid high-throughput antibody profiling. The assay can be used for profiling IgG, IgA and IgM responses to multiple antigens simultaneously, requiring minimal amounts of sample and antigens. Using three different types of influenza antigen microarrays, we demonstrated the specificity and sensitivity of our novel assay and compared it to the traditional ELISA assay, using samples from mice, chickens and humans. We also showed that our assay can be readily used with dried blood spots, which can be collected from wild birds, as well as from newborns and children. The ELISA-on-Chip assay can be readily used to profile hundreds of samples against dozens of antigens in a single day, and therefore offers an attractive alternative to the traditional ELISA assay.
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8
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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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9
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Vieira MC, Donato CM, Arevalo P, Rimmelzwaan GF, Wood T, Lopez L, Huang QS, Dhanasekaran V, Koelle K, Cobey S. Lineage-specific protection and immune imprinting shape the age distributions of influenza B cases. Nat Commun 2021; 12:4313. [PMID: 34262041 PMCID: PMC8280188 DOI: 10.1038/s41467-021-24566-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
How a history of influenza virus infections contributes to protection is not fully understood, but such protection might explain the contrasting age distributions of cases of the two lineages of influenza B, B/Victoria and B/Yamagata. Fitting a statistical model to those distributions using surveillance data from New Zealand, we found they could be explained by historical changes in lineage frequencies combined with cross-protection between strains of the same lineage. We found additional protection against B/Yamagata in people for whom it was their first influenza B infection, similar to the immune imprinting observed in influenza A. While the data were not informative about B/Victoria imprinting, B/Yamagata imprinting could explain the fewer B/Yamagata than B/Victoria cases in cohorts born in the 1990s and the bimodal age distribution of B/Yamagata cases. Longitudinal studies can test if these forms of protection inferred from historical data extend to more recent strains and other populations.
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Affiliation(s)
- Marcos C Vieira
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA.
| | - Celeste M Donato
- Enteric Diseases Group, Murdoch Children's Research Institute, Parkville, VIC, Australia
- Department of Paediatrics, The University of Melbourne, Parkville, VIC, Australia
| | - Philip Arevalo
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA
| | - Guus F Rimmelzwaan
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Timothy Wood
- Institute of Environmental Science and Research, Wellington, New Zealand
| | - Liza Lopez
- Institute of Environmental Science and Research, Wellington, New Zealand
| | - Q Sue Huang
- Institute of Environmental Science and Research, Wellington, New Zealand
| | - Vijaykrishna Dhanasekaran
- Department of Microbiology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC, Australia
| | - Katia Koelle
- Department of Biology, Emory University, Atlanta, GA, USA
| | - Sarah Cobey
- Department of Ecology and Evolution, University of Chicago, Chicago, IL, USA.
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10
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Plotkin SA, Halsey N. Accelerate COVID-19 Vaccine Rollout by Delaying the Second Dose of mRNA Vaccines. Clin Infect Dis 2021; 73:1320-1321. [PMID: 33502467 PMCID: PMC7929065 DOI: 10.1093/cid/ciab068] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Stanley A Plotkin
- Emeritus Professor of Pediatrics, University of Pennsylvania, Doylestown, PA
| | - Neal Halsey
- Johns Hopkins University Bloomberg School of Public Health, Bloomberg School of Public Health, Baltimore, MD
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