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Currenti J, Simmons J, Oakes J, Gaudieri S, Warren CM, Gangula R, Alves E, Ram R, Leary S, Armitage JD, Smith RM, Chopra A, Halasa NB, Pilkinton MA, Kalams SA. Tracking of activated cTfh cells following sequential influenza vaccinations reveals transcriptional profile of clonotypes driving a vaccine-induced immune response. Front Immunol 2023; 14:1133781. [PMID: 37063867 PMCID: PMC10095155 DOI: 10.3389/fimmu.2023.1133781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Introduction A vaccine against influenza is available seasonally but is not 100% effective. A predictor of successful seroconversion in adults is an increase in activated circulating T follicular helper (cTfh) cells after vaccination. However, the impact of repeated annual vaccinations on long-term protection and seasonal vaccine efficacy remains unclear. Methods In this study, we examined the T cell receptor (TCR) repertoire and transcriptional profile of vaccine-induced expanded cTfh cells in individuals who received sequential seasonal influenza vaccines. We measured the magnitude of cTfh and plasmablast cell activation from day 0 (d0) to d7 post-vaccination as an indicator of a vaccine response. To assess TCR diversity and T cell expansion we sorted activated and resting cTfh cells at d0 and d7 post-vaccination and performed TCR sequencing. We also single cell sorted activated and resting cTfh cells for TCR analysis and transcriptome sequencing. Results and discussion The percent of activated cTfh cells significantly increased from d0 to d7 in each of the 2016-17 (p < 0.0001) and 2017-18 (p = 0.015) vaccine seasons with the magnitude of cTfh activation increase positively correlated with the frequency of circulating plasmablast cells in the 2016-17 (p = 0.0001) and 2017-18 (p = 0.003) seasons. At d7 post-vaccination, higher magnitudes of cTfh activation were associated with increased clonality of cTfh TCR repertoire. The TCRs from vaccine-expanded clonotypes were identified and tracked longitudinally with several TCRs found to be present in both years. The transcriptomic profile of these expanded cTfh cells at the single cell level demonstrated overrepresentation of transcripts of genes involved in the type-I interferon pathway, pathways involved in gene expression, and antigen presentation and recognition. These results identify the expansion and transcriptomic profile of vaccine-induced cTfh cells important for B cell help.
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Affiliation(s)
- Jennifer Currenti
- School of Human Sciences, University of Western Australia, Crawley, WA, Australia
| | - Joshua Simmons
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Jared Oakes
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Silvana Gaudieri
- School of Human Sciences, University of Western Australia, Crawley, WA, Australia
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Christian M. Warren
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Rama Gangula
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Eric Alves
- School of Human Sciences, University of Western Australia, Crawley, WA, Australia
| | - Ramesh Ram
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Shay Leary
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Jesse D. Armitage
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
| | - Rita M. Smith
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Abha Chopra
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Natasha B. Halasa
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Mark A. Pilkinton
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Spyros A. Kalams
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
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Sauerwein KMT, Geier CB, Stemberger RF, Rossmanith R, Akyaman H, Illes P, Fischer MB, Eibl MM, Walter JE, Wolf HM. Functionally impaired antibody response to BNT162b2 booster vaccination in CVID IgG responders. J Allergy Clin Immunol 2022; 151:922-925. [PMID: 36463978 PMCID: PMC9715258 DOI: 10.1016/j.jaci.2022.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 10/07/2022] [Accepted: 11/04/2022] [Indexed: 12/04/2022]
Abstract
BACKGROUND Although previous studies described the production of IgG antibodies in a subgroup of patients with common variable immunodeficiency (CVID) following messenger RNA vaccinations with BNT162b2 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (CVID responders), the functionality of these antibodies in terms of avidity as measured by the dissociation rate constant (kdis) and the antibody response to booster immunization has not been studied. OBJECTIVE We sought to analyze in CVID responders and healthy individuals, the avidity of anti-SARS-CoV-2 serum antibodies and their neutralization capacity as measured by surrogate virus-neutralizing antibodies in addition to IgG-, IgM-, and IgA-antibody levels and the response of circulating (peripheral blood) follicular T-helper cells after a third vaccination with BNT162b2 SARS-CoV-2 messenger RNA vaccine. METHODS Binding IgG, IgA, and IgM serum levels were analyzed by ELISA in patients with CVID responding to the primary vaccination (CVID responders, n = 10) and healthy controls (n = 41). The binding avidity of anti-spike antibodies was investigated using biolayer interferometry in combination with biotin-labeled receptor-binding-domain of SARS-CoV-2 spike protein and streptavidin-labeled sensors. Antigen-specific recall T-cell responses were assessed by measuring activation-induced markers by flow cytometry. RESULTS After the third vaccination with BNT162b2, IgG-, IgM-, and IgA-antibody levels, surrogate virus-neutralizing antibody levels, and antibody avidity were lower in CVID responders than in healthy controls. In contrast, anti-SARS-CoV-2 spike protein avidity was comparable in CVID responders and healthy individuals following primary vaccination. Follicular T-helper cell response to booster vaccination in CVID responders was significantly reduced when compared with that in healthy individuals. CONCLUSIONS Impaired affinity maturation during booster response provides new insight into CVID pathophysiology.
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Affiliation(s)
- Kai M T Sauerwein
- Immunology Outpatient Clinic, Vienna, Austria; Biomedizinische Forschung & Bio-Produkte AG, Vienna, Austria; Department for Biomedical Research, Center of Experimental Medicine, Danube University Krems, Krems an der Donau, Austria
| | | | | | | | | | - Peter Illes
- USF Health Department of Pediatrics, Division of Allergy/Immunology, Children's Research Institute, St Petersburg, Fla
| | - Michael B Fischer
- Department for Biomedical Research, Center of Experimental Medicine, Danube University Krems, Krems an der Donau, Austria; Clinic for Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
| | - Martha M Eibl
- Immunology Outpatient Clinic, Vienna, Austria; Biomedizinische Forschung & Bio-Produkte AG, Vienna, Austria
| | - Jolan E Walter
- Division of Allergy and Immunology, Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, Fla; Division of Allergy/Immunology, Department of Pediatrics, Johns Hopkins All Children's Hospital, St Petersburg, Fla
| | - Hermann M Wolf
- Immunology Outpatient Clinic, Vienna, Austria; Sigmund Freud Private University, Medical School, Vienna, Austria.
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Shalekoff S, Loubser S, Dias BDC, Strehlau R, Shiau S, Wang S, He Y, Abrams EJ, Kuhn L, Tiemessen CT. Normalization of B Cell Subsets but Not T Follicular Helper Phenotypes in Infants With Very Early Antiretroviral Treatment. Front Pediatr 2021; 9:618191. [PMID: 33996678 PMCID: PMC8118125 DOI: 10.3389/fped.2021.618191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 04/01/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: Infant HIV-1-infection is associated with high morbidity and mortality if antiretroviral treatment (ART) is not initiated promptly. We characterized development of circulating T follicular helper cells (cTfh) and their relationship to naïve/memory B cell subsets in a cohort of neonates initiating ART within the first week of life. Methods: Infants were diagnosed within 48 hours of birth and started ART as soon as possible. The frequency and phenotype of cTfh and B cells were analyzed at enrollment (birth -19 days) and at 4, 12, and 72 weeks of age in blood of 27 HIV-1-intrauterine-infected and 25 HIV-1 exposed uninfected (HEU) infants as part of a study in Johannesburg, South Africa. cTfh cells were divided into Tfh1, Tfh2, and Tfh17 subsets. B cell phenotypes were defined as naïve, resting memory, activated memory and tissue-like memory cells. Results: HIV-1-infected infants had higher frequencies of cTfh cells than HEU infants up to 12 weeks of age and these cTfh cells were polarized toward the Tfh1 subset. Higher frequencies of Tfh1 and lower frequencies of Tfh2 and Tfh17 correlated with lower CD4+ T cell percentages. Lower frequencies of resting memory, with corresponding higher frequencies of activated memory B cells, were observed with HIV-1 infection. Importantly, dysregulations in B cell, but not cTfh cell, subsets were normalized by 72 weeks. Conclusion: Very early ART initiation in HIV-1-infected infants normalizes B cell subsets but does not fully normalize perturbations in cTfh cell subsets which remain Tfh1 polarized at 72 weeks. It remains to be determined if very early ART improves vaccine antibody responses despite the cTfh and B cell perturbations observed over the time course of this study.
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Affiliation(s)
- Sharon Shalekoff
- Centre for HIV & STIs, National Institute for Communicable Diseases and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Shayne Loubser
- Centre for HIV & STIs, National Institute for Communicable Diseases and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Bianca Da Costa Dias
- Centre for HIV & STIs, National Institute for Communicable Diseases and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Renate Strehlau
- Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Department of Paediatrics and Child Health, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Stephanie Shiau
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, Piscataway, NJ, United States
| | - Shuang Wang
- Department of Biostatistics, Mailman School of Public Health, Columbia University Irving Medical Center, New York City, NY, United States
| | - Yun He
- Department of Biostatistics, Mailman School of Public Health, Columbia University Irving Medical Center, New York City, NY, United States
| | - Elaine J. Abrams
- ICAP at Columbia University, Mailman School of Public Health, and Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York City, NY, United States
| | - Louise Kuhn
- Gertrude H. Sergievsky Center, Vagelos College of Physicians and Surgeons, and Department of Epidemiology, Mailman School of Public Health, Columbia University Irving Medical Center, New York City, NY, United States
| | - Caroline T. Tiemessen
- Centre for HIV & STIs, National Institute for Communicable Diseases and School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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