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Das S, Stamnaes J, Høydahl LS, Skagen C, Lundin KEA, Jahnsen J, Sollid LM, Iversen R. Selective activation of naïve B cells with unique epitope specificity shapes autoantibody formation in celiac disease. J Autoimmun 2024; 146:103241. [PMID: 38754235 DOI: 10.1016/j.jaut.2024.103241] [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: 01/16/2024] [Revised: 03/25/2024] [Accepted: 05/03/2024] [Indexed: 05/18/2024]
Abstract
Many antibody responses induced by infection, vaccination or autoimmunity show signs of convergence across individuals with epitope-dependent selection of particular variable region gene segments and complementarity determining region 3 properties. However, not much is known about the relationship between antigen-specific effector cells and antigen-specific precursors present in the naïve B-cell repertoire. Here, we sought to address this relationship in the context of celiac disease, where there is a stereotyped autoantibody response against the enzyme transglutaminase 2 (TG2). By generating TG2-specific monoclonal antibodies from both duodenal plasma cells and circulating naïve B cells, we demonstrate a discord between the naïve TG2-specific repertoire and the cells that are selected for autoantibody production. Hence, the naïve repertoire does not fully reflect the epitope preference and gene usage observed for memory B cells and plasma cells. Instead, distinct naïve B cells that target particular TG2 epitopes appear to be selectively activated at the expense of TG2-binding B cells targeting other epitopes.
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Affiliation(s)
- Saykat Das
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Jorunn Stamnaes
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Lene S Høydahl
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Christine Skagen
- Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Knut E A Lundin
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Gastroenterology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Jørgen Jahnsen
- Department of Gastroenterology, Akershus University Hospital, Lørenskog, Norway
| | - Ludvig M Sollid
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway
| | - Rasmus Iversen
- Norwegian Coeliac Disease Research Centre, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Immunology, Oslo University Hospital-Rikshospitalet, Oslo, Norway.
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2
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Shehata L, Thouvenel CD, Hondowicz BD, Pew LA, Pritchard GH, Rawlings DJ, Choi J, Pepper M. Interleukin-4 downregulates transcription factor BCL6 to promote memory B cell selection in germinal centers. Immunity 2024; 57:843-858.e5. [PMID: 38513666 PMCID: PMC11104266 DOI: 10.1016/j.immuni.2024.02.018] [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: 02/24/2023] [Revised: 08/04/2023] [Accepted: 02/26/2024] [Indexed: 03/23/2024]
Abstract
Germinal center (GC)-derived memory B cells (MBCs) are critical for humoral immunity as they differentiate into protective antibody-secreting cells during re-infection. GC formation and cellular interactions within the GC have been studied in detail, yet the exact signals that allow for the selection and exit of MBCs are not understood. Here, we showed that IL-4 cytokine signaling in GC B cells directly downregulated the transcription factor BCL6 via negative autoregulation to release cells from the GC program and to promote MBC formation. This selection event required additional survival cues and could therefore result in either GC exit or death. We demonstrate that both increasing IL-4 bioavailability or limiting IL-4 signaling disrupted MBC selection stringency. In this way, IL-4 control of BCL6 expression serves as a tunable switch within the GC to tightly regulate MBC selection and affinity maturation.
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Affiliation(s)
- Laila Shehata
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Christopher D Thouvenel
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA 98101, USA
| | - Brian D Hondowicz
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Lucia A Pew
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA
| | | | - David J Rawlings
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA; Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA 98101, USA; Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98105, USA
| | - Jinyong Choi
- Department of Microbiology, Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul 06591, South Korea
| | - Marion Pepper
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA.
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3
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Altulea D, van den Born JC, Diepstra A, Bungener L, Terpstra D, Hepkema BG, Lammerts R, Heeringa P, Heidt S, Otten H, Reteig L, Karahan GE, Berger SP, Sanders JS. Memory B-cell derived donor-specific antibodies do not predict outcome in sensitized kidney transplant recipients: a retrospective single-center study. Front Immunol 2024; 15:1360627. [PMID: 38646525 PMCID: PMC11026632 DOI: 10.3389/fimmu.2024.1360627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 03/18/2024] [Indexed: 04/23/2024] Open
Abstract
Background Repeated exposure to sensitizing events can activate HLA-specific memory B cells, leading to the production of donor-specific memory B cell antibodies (DSAm) that pose a risk for antibody-mediated rejection (ABMR) in kidney transplant recipients (KTRs). This single-center retrospective study aimed to identify DSAm and assess their association with outcomes in a cohort of KTRs with pretransplant serum donor-specific antibodies (DSA). Methods We polyclonally activated pretransplant peripheral blood mononuclear cells (PBMCs) from 60 KTRs in vitro, isolated and quantified IgG from the culture supernatant using ELISA, and analyzed the HLA antibodies of eluates with single antigen bead (SAB) assays, comparing them to the donor HLA typing for potential DSAm. Biopsies from 41 KTRs were evaluated for rejection based on BANFF 2019 criteria. Results At transplantation, a total of 37 DSAm were detected in 26 of 60 patients (43%), of which 13 (35%) were found to be undetectable in serum. No significant association was found between pretransplant DSAm and ABMR (P=0.53). Similar results were observed in a Kaplan-Meier analysis for ABMR within the first year posttransplant (P=0.29). Additionally, MFI levels of DSAm showed no significant association with ABMR (P=0.28). Conclusion This study suggests no significant association between DSAm and biopsy-proven clinical ABMR. Further prospective research is needed to determine whether assessing DSAm could enhance existing immunological risk assessment methods for monitoring KTRs, particularly in non-sensitized KTRs.
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Affiliation(s)
- Dania Altulea
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Joost C. van den Born
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Arjan Diepstra
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Laura Bungener
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Transplantation Immunology, Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Dagmar Terpstra
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Bouke G. Hepkema
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Transplantation Immunology, Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Rosa Lammerts
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
- Transplantation Immunology, Department of Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Peter Heeringa
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Sebastiaan Heidt
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Henny Otten
- Center of Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | - Leon Reteig
- Center of Translational Immunology, University Medical Center Utrecht (UMC Utrecht), Utrecht, Netherlands
| | - Gonca E. Karahan
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Stefan P. Berger
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Jan-Stephan Sanders
- Division of Nephrology, Department of Internal Medicine, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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Tandel N, Patel D, Thakkar M, Shah J, Tyagi RK, Dalai SK. Poly(I:C) and R848 ligands show better adjuvanticity to induce B and T cell responses against the antigen(s). Heliyon 2024; 10:e26887. [PMID: 38455541 PMCID: PMC10918150 DOI: 10.1016/j.heliyon.2024.e26887] [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] [Received: 01/19/2024] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/09/2024] Open
Abstract
Poly(I:C) and R848, synthetic ligands that activate Toll-like receptor 3 (TLR3) and TLR7/8 respectively, have been well-established for their ability to stimulate the immune system and induce antigen-specific immune responses. These ligands are capable of inducing the production of cytokines and chemokines, and hence support the activation and differentiation of B and T cells. We saw the long-lasting and perdurable immune responses by these adjuvants essentially required for an efficacious subunit vaccine. In this study, we investigated the potential of poly(I:C) and R848 to elicit B and T cell responses to the OVA antigen. We assessed the stimulatory effects of these ligands on the immune system, their impact on B and T cell activation, and their ability to enhanced generation of B and T cells. Collectively, our findings contribute to the understanding how poly(I:C) and R848 can be utilized as an adjuvant system to enhance immune responses to protein-based subunit vaccines. In the end, this work provides insights for the development of novel vaccination strategies and improving the vaccine efficacy. Present work shall help formulate newer strategies for subunit vaccines to address the infectious diseases.
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Affiliation(s)
- Nikunj Tandel
- Institute of Science, Nirma University, SG highway, Ahmedabad, Gujarat, India
| | - Digna Patel
- Institute of Science, Nirma University, SG highway, Ahmedabad, Gujarat, India
| | - Mansi Thakkar
- Institute of Science, Nirma University, SG highway, Ahmedabad, Gujarat, India
| | - Jagrut Shah
- Institute of Science, Nirma University, SG highway, Ahmedabad, Gujarat, India
| | - Rajeev K. Tyagi
- Division of Cell Biology and Immunology, Biomedical Parasitology and Translational-immunology Lab, CSIR-Institute of Microbial Technology (IMTECH), Chandigarh, India
| | - Sarat K. Dalai
- Institute of Science, Nirma University, SG highway, Ahmedabad, Gujarat, India
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5
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Phelps A, Pazos-Castro D, Urselli F, Grydziuszko E, Mann-Delany O, Fang A, Walker TD, Guruge RT, Tome-Amat J, Diaz-Perales A, Waserman S, Boonyaratanakornkit J, Jordana M, Taylor JJ, Koenig JFE. Production and use of antigen tetramers to study antigen-specific B cells. Nat Protoc 2024; 19:727-751. [PMID: 38243093 DOI: 10.1038/s41596-023-00930-8] [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: 05/16/2023] [Accepted: 10/20/2023] [Indexed: 01/21/2024]
Abstract
B cells generate antibodies that provide protection from infection, but also cause pathology in autoimmune and allergic conditions. Antigen-specific B cells can be detected by binding their surface antibody receptors with native antigens conjugated to fluorescent probes, a technique that has revealed substantial insight into B cell activation and function. This protocol describes the process of generating fluorescent antigen tetramer probes and delineates a process of enriching large samples based on antigen-specificity for high-resolution analyses of the antigen-specific B cell repertoire. Enrichment of tetramer-binding cells allows for detection of antigen-specific B cells as rare as 1 in 100 million cells, providing sufficient resolution to study naive B cells and IgE-expressing cells by flow cytometry. The generation of antigen tetramers involves antigen biotinylation, assessment of biotin:antigen ratio for optimal tetramer loading and polymerization around a streptavidin-fluorophore backbone. We also describe the construction of a control tetramer to exclude B cells binding to the tetramer backbone. We provide a framework to validate whether tetramer probes are detecting true antigen-specific B cells and discuss considerations for experimental design. This protocol can be performed by researchers trained in basic biomedical/immunological research techniques, using instrumentation commonly found in most laboratories. Constructing the antigen and control tetramers takes 9 h, though their specificity should be assessed before experimentation and may take weeks to months depending on the method of validation. Sample enrichment requires ~2 h but is generally time and cost neutral as fewer cells are run through the flow cytometer.
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Affiliation(s)
- Allyssa Phelps
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Diego Pazos-Castro
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria/Consejo Superior de Investigaciones Científicas (UPM-INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
- Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Francesca Urselli
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
| | - Emily Grydziuszko
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Olivia Mann-Delany
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Allison Fang
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Tina D Walker
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Rangana Talpe Guruge
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Jaime Tome-Amat
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria/Consejo Superior de Investigaciones Científicas (UPM-INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
| | - Araceli Diaz-Perales
- Centre for Plant Biotechnology and Genomics, Universidad Politécnica de Madrid - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria/Consejo Superior de Investigaciones Científicas (UPM-INIA/CSIC), Universidad Politécnica de Madrid, Madrid, Spain
- Department of Biotechnology-Plant Biology, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas (ETSIAAB), Universidad Politécnica de Madrid, Madrid, Spain
| | - Susan Waserman
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Jim Boonyaratanakornkit
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA
- Department of Medicine, University of Washington, Seattle, WA, USA
| | - Manel Jordana
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada
| | - Justin J Taylor
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Center, Seattle, WA, USA.
- Department of Immunology, University of Washington, Seattle, WA, USA.
- Department of Global Health, University of Washington, Seattle, WA, USA.
- Beirne B. Carter Center for Immunology Research, University of Virginia, Charlottesville, VA, USA.
- Division of Infectious Diseases and International Health, Department of Medicine, University of Virginia, Charlottesville, VA, USA.
| | - Joshua F E Koenig
- Department of Medicine, Schroeder Allergy and Immunology Research Institute, McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, Canada.
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6
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Quirk GE, Schoenle MV, Peyton KL, Uhrlaub JL, Lau B, Burgess JL, Ellingson K, Beitel S, Romine J, Lutrick K, Fowlkes A, Britton A, Tyner HL, Caban-Martinez AJ, Naleway A, Gaglani M, Yoon S, Edwards L, Olsho L, Dake M, LaFleur BJ, Nikolich JŽ, Sprissler R, Worobey M, Bhattacharya D. Determinants of de novo B cell responses to drifted epitopes in post-vaccination SARS-CoV-2 infections. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.09.12.23295384. [PMID: 37745498 PMCID: PMC10516057 DOI: 10.1101/2023.09.12.23295384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Vaccine-induced immunity may impact subsequent de novo responses to drifted epitopes in SARS-CoV-2 variants, but this has been difficult to quantify due to the challenges in recruiting unvaccinated control groups whose first exposure to SARS-CoV-2 is a primary infection. Through local, statewide, and national SARS-CoV-2 testing programs, we were able to recruit cohorts of individuals who had recovered from either primary or post-vaccination infections by either the Delta or Omicron BA.1 variants. Regardless of variant, we observed greater Spike-specific and neutralizing antibody responses in post-vaccination infections than in those who were infected without prior vaccination. Through analysis of variant-specific memory B cells as markers of de novo responses, we observed that Delta and Omicron BA.1 infections led to a marked shift in immunodominance in which some drifted epitopes elicited minimal responses, even in primary infections. Prior immunity through vaccination had a small negative impact on these de novo responses, but this did not correlate with cross-reactive memory B cells, arguing against competitive inhibition of naïve B cells. We conclude that dampened de novo B cell responses against drifted epitopes are mostly a function of altered immunodominance hierarchies that are apparent even in primary infections, with a more modest contribution from pre-existing immunity, perhaps due to accelerated antigen clearance.
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Affiliation(s)
- Grace E Quirk
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Marta V Schoenle
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Kameron L Peyton
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Jennifer L Uhrlaub
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Branden Lau
- University of Arizona Genomics Core and the Arizona Research Labs, University of Arizona Genetics Core, University of Arizona, Tucson, AZ, USA
| | - Jefferey L Burgess
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, USA
| | - Katherine Ellingson
- Department of Epidemiology and Biostatistics, Zuckerman College of Public Health, University of Arizona, Tucson
| | - Shawn Beitel
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, USA
| | - James Romine
- Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona, USA
| | - Karen Lutrick
- College of Medicine-Tucson, University of Arizona, Tucson, Arizona, USA
| | - Ashley Fowlkes
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Amadea Britton
- National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, GA
| | - Harmony L Tyner
- St. Luke's Regional Health Care System, Duluth, Minnesota, USA
| | | | - Allison Naleway
- Kaiser Permanente Northwest Center for Health Research, Portland, Oregon, USA
| | - Manjusha Gaglani
- Baylor Scott & White Health and Texas A&M University College of Medicine, Temple, Texas, USA
| | - Sarang Yoon
- Rocky Mountain Center for Occupational and Environmental Health, Department of Family and Preventive Medicine, University of Utah Health, Salt Lake City, Utah, USA
| | | | | | - Michael Dake
- Office of the Senior Vice-President for Health Sciences, University of Arizona, Tucson, AZ, USA
| | | | - Janko Ž Nikolich
- BIO5 Institute, University of Arizona, Tucson, AZ, USA
- University of Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ, USA
| | - Ryan Sprissler
- University of Arizona Genomics Core and the Arizona Research Labs, University of Arizona Genetics Core, University of Arizona, Tucson, AZ, USA
| | - Michael Worobey
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
- BIO5 Institute, University of Arizona, Tucson, AZ, USA
| | - Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ, USA
- BIO5 Institute, University of Arizona, Tucson, AZ, USA
- Department of Surgery, University of Arizona College of Medicine, Tucson, AZ, USA
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7
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Du J, Zhang J, Wang L, Wang X, Zhao Y, Lu J, Fan T, Niu M, Zhang J, Cheng F, Li J, Zhu Q, Zhang D, Pei H, Li G, Liang X, Huang H, Cao X, Liu X, Shao W, Sheng J. Selective oxidative protection leads to tissue topological changes orchestrated by macrophage during ulcerative colitis. Nat Commun 2023; 14:3675. [PMID: 37344477 DOI: 10.1038/s41467-023-39173-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 06/01/2023] [Indexed: 06/23/2023] Open
Abstract
Ulcerative colitis is a chronic inflammatory bowel disorder with cellular heterogeneity. To understand the composition and spatial changes of the ulcerative colitis ecosystem, here we use imaging mass cytometry and single-cell RNA sequencing to depict the single-cell landscape of the human colon ecosystem. We find tissue topological changes featured with macrophage disappearance reaction in the ulcerative colitis region, occurring only for tissue-resident macrophages. Reactive oxygen species levels are higher in the ulcerative colitis region, but reactive oxygen species scavenging enzyme SOD2 is barely detected in resident macrophages, resulting in distinct reactive oxygen species vulnerability for inflammatory macrophages and resident macrophages. Inflammatory macrophages replace resident macrophages and cause a spatial shift of TNF production during ulcerative colitis via a cytokine production network formed with T and B cells. Our study suggests components of a mechanism for the observed macrophage disappearance reaction of resident macrophages, providing mechanistic hints for macrophage disappearance reaction in other inflammation or infection situations.
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Affiliation(s)
- Juan Du
- Department of Gastroenterology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China.
| | - Junlei Zhang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang University Cancer Centre, Zhejiang University, Hangzhou, 310002, China
| | - Lin Wang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang University Cancer Centre, Zhejiang University, Hangzhou, 310002, China
| | - Xun Wang
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang University Cancer Centre, Zhejiang University, Hangzhou, 310002, China
| | - Yaxing Zhao
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Zhejiang University Cancer Centre, Zhejiang University, Hangzhou, 310002, China
| | - Jiaoying Lu
- Department of Gastroenterology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Tingmin Fan
- Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Central Laboratory, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310002, China
| | - Meng Niu
- Department of Gastroenterology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Jie Zhang
- Department of Gastroenterology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Fei Cheng
- Pathology Department, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Jun Li
- Pathology Department, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Qi Zhu
- College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, No. 29 JiangJun Road, Jiang Ning District, Nanjing, Jiangsu, 211106, China
| | - Daoqiang Zhang
- College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, No. 29 JiangJun Road, Jiang Ning District, Nanjing, Jiangsu, 211106, China
| | - Hao Pei
- MobiDrop (Zhejiang), No. 455 Heshun Road, Tongxiang, Zhejiang, 314500, China
| | - Guang Li
- Department of Gastroenterology, Beijing Chaoyang Hospital, Capital Medical University, Chaoyang District, Beijing, 100024, China
| | - Xingguang Liang
- Department of Clinical Pharmacy, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- Central Laboratory, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310002, China
| | - He Huang
- Frontiers Science Center for Synthetic Biology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Xiaocang Cao
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, Haihe Laboratory of Cell Ecosystem, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, 300020, China.
- Department of Hepato-Gastroenterology, Tianjin Medical University General Hospital, Tianjin Medical University, Tianjin, 300000, China.
| | - Xinjuan Liu
- Department of Gastroenterology, Beijing Chaoyang Hospital, Capital Medical University, Chaoyang District, Beijing, 100024, China.
| | - Wei Shao
- College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, No. 29 JiangJun Road, Jiang Ning District, Nanjing, Jiangsu, 211106, China.
| | - Jianpeng Sheng
- Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China.
- Zhejiang Provincial Key Laboratory of Pancreatic Disease, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China.
- Zhejiang University Cancer Centre, Zhejiang University, Hangzhou, 310002, China.
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8
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Reusch L, Angeletti D. Memory B-cell diversity: From early generation to tissue residency and reactivation. Eur J Immunol 2023; 53:e2250085. [PMID: 36811174 DOI: 10.1002/eji.202250085] [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: 12/02/2022] [Revised: 01/17/2023] [Accepted: 02/20/2023] [Indexed: 02/24/2023]
Abstract
Memory B cells (MBCs) have a crucial function in providing an enhanced response to repeated infections. Upon antigen encounter, MBC can either rapidly differentiate to antibody secreting cells or enter germinal centers (GC) to further diversify and affinity mature. Understanding how and when MBC are formed, where they reside and how they select their fate upon reactivation has profound implications for designing strategies to improve targeted, next-generation vaccines. Recent studies have crystallized much of our knowledge on MBC but also reported several surprising discoveries and gaps in our current understanding. Here, we review the latest advancements in the field and highlight current unknowns. In particular, we focus on timing and cues leading to MBC generation before and during the GC reaction, discuss how MBC become resident in mucosal tissues, and finally, provide an overview of factors shaping MBC fate-decision upon reactivation in mucosal and lymphoid tissues.
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Affiliation(s)
- Laura Reusch
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Davide Angeletti
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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9
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Raghavan M, Kalantar KL, Duarte E, Teyssier N, Takahashi S, Kung AF, Rajan JV, Rek J, Tetteh KKA, Drakeley C, Ssewanyana I, Rodriguez-Barraquer I, Greenhouse B, DeRisi JL. Antibodies to repeat-containing antigens in Plasmodium falciparum are exposure-dependent and short-lived in children in natural malaria infections. eLife 2023; 12:e81401. [PMID: 36790168 PMCID: PMC10005774 DOI: 10.7554/elife.81401] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 02/14/2023] [Indexed: 02/16/2023] Open
Abstract
Protection against Plasmodium falciparum, which is primarily antibody-mediated, requires recurrent exposure to develop. The study of both naturally acquired limited immunity and vaccine induced protection against malaria remains critical for ongoing eradication efforts. Towards this goal, we deployed a customized P. falciparum PhIP-seq T7 phage display library containing 238,068 tiled 62-amino acid peptides, covering all known coding regions, including antigenic variants, to systematically profile antibody targets in 198 Ugandan children and adults from high and moderate transmission settings. Repeat elements - short amino acid sequences repeated within a protein - were significantly enriched in antibody targets. While breadth of responses to repeat-containing peptides was twofold higher in children living in the high versus moderate exposure setting, no such differences were observed for peptides without repeats, suggesting that antibody responses to repeat-containing regions may be more exposure dependent and/or less durable in children than responses to regions without repeats. Additionally, short motifs associated with seroreactivity were extensively shared among hundreds of antigens, potentially representing cross-reactive epitopes. PfEMP1 shared motifs with the greatest number of other antigens, partly driven by the diversity of PfEMP1 sequences. These data suggest that the large number of repeat elements and potential cross-reactive epitopes found within antigenic regions of P. falciparum could contribute to the inefficient nature of malaria immunity.
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Affiliation(s)
- Madhura Raghavan
- University of California, San FranciscoSan FranciscoUnited States
| | | | - Elias Duarte
- University of California, BerkeleyBerkeleyUnited States
| | - Noam Teyssier
- University of California, San FranciscoSan FranciscoUnited States
| | - Saki Takahashi
- University of California, San FranciscoSan FranciscoUnited States
| | - Andrew F Kung
- University of California, San FranciscoSan FranciscoUnited States
| | - Jayant V Rajan
- University of California, San FranciscoSan FranciscoUnited States
| | - John Rek
- Infectious Diseases Research CollaborationKampalaUganda
| | - Kevin KA Tetteh
- London School of Hygiene and Tropical MedicineLondonUnited Kingdom
| | - Chris Drakeley
- London School of Hygiene and Tropical MedicineLondonUnited Kingdom
| | - Isaac Ssewanyana
- Infectious Diseases Research CollaborationKampalaUganda
- London School of Hygiene and Tropical MedicineLondonUnited Kingdom
| | - Isabel Rodriguez-Barraquer
- University of California, San FranciscoSan FranciscoUnited States
- Chan Zuckerberg BiohubSan FranciscoUnited States
| | - Bryan Greenhouse
- University of California, San FranciscoSan FranciscoUnited States
- Chan Zuckerberg BiohubSan FranciscoUnited States
| | - Joseph L DeRisi
- University of California, San FranciscoSan FranciscoUnited States
- Chan Zuckerberg BiohubSan FranciscoUnited States
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10
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Notario GR, Kwak K. Increased B Cell Understanding Puts Improved Vaccine Platforms Just Over the Horizon. Immune Netw 2022; 22:e47. [PMID: 36627934 PMCID: PMC9807965 DOI: 10.4110/in.2022.22.e47] [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] [Received: 06/15/2022] [Revised: 10/27/2022] [Accepted: 11/08/2022] [Indexed: 12/30/2022] Open
Abstract
In the face of an endlessly expanding repertoire of Ags, vaccines are constantly being tested, each more effective than the last. As viruses and other pathogens evolve to become more infectious, the need for efficient and effective vaccines grows daily, which is especially obvious in an era that is still attempting to remove itself from the clutches of the severe acute respiratory syndrome coronavirus 2, the cause of coronavirus pandemic. To continue evolving alongside these pathogens, it is proving increasingly essential to consider one of the main effector cells of the immune system. As one of the chief orchestrators of the humoral immune response, the B cell and other lymphocytes are essential to not only achieving immunity, but also maintaining it, which is the vital objective of every vaccine.
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Affiliation(s)
- Geneva Rose Notario
- Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea.,Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Kihyuck Kwak
- Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea.,Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul 03722, Korea
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11
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Chappert P, Huetz F, Espinasse MA, Chatonnet F, Pannetier L, Da Silva L, Goetz C, Mégret J, Sokal A, Crickx E, Nemazanyy I, Jung V, Guerrera C, Storck S, Mahévas M, Cosma A, Revy P, Fest T, Reynaud CA, Weill JC. Human anti-smallpox long-lived memory B cells are defined by dynamic interactions in the splenic niche and long-lasting germinal center imprinting. Immunity 2022; 55:1872-1890.e9. [PMID: 36130603 PMCID: PMC7613742 DOI: 10.1016/j.immuni.2022.08.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/22/2022] [Accepted: 08/26/2022] [Indexed: 12/31/2022]
Abstract
Memory B cells (MBCs) can persist for a lifetime, but the mechanisms that allow their long-term survival remain poorly understood. Here, we isolated and analyzed human splenic smallpox/vaccinia protein B5-specific MBCs in individuals who were vaccinated more than 40 years ago. Only a handful of clones persisted over such an extended period, and they displayed limited intra-clonal diversity with signs of extensive affinity-based selection. These long-lived MBCs appeared enriched in a CD21hiCD20hi IgG+ splenic B cell subset displaying a marginal-zone-like NOTCH/MYC-driven signature, but they did not harbor a unique longevity-associated transcriptional or metabolic profile. Finally, the telomeres of B5-specific, long-lived MBCs were longer than those in patient-paired naive B cells in all the samples analyzed. Overall, these results imply that separate mechanisms such as early telomere elongation, affinity selection during the contraction phase, and access to a specific niche contribute to ensuring the functional longevity of MBCs.
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Affiliation(s)
- Pascal Chappert
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Inovarion, Paris, France; Institut Mondor de Recherche Biomédicale (IMRB), INSERM U955, équipe 2, Université Paris-Est Créteil (UPEC), Créteil, France.
| | - François Huetz
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Institut Pasteur, Université Paris Cité, Unité Anticorps en thérapie et pathologie, UMR 1222 INSERM, Paris, France
| | - Marie-Alix Espinasse
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Fabrice Chatonnet
- Université de Rennes 1, INSERM, Établissement Français du Sang de Bretagne, UMR_S1236, Rennes, France; Laboratoire d'Hématologie, Pôle de Biologie, Centre Hospitalier Universitaire, Rennes, France
| | - Louise Pannetier
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Lucie Da Silva
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Clara Goetz
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Jérome Mégret
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Aurélien Sokal
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Etienne Crickx
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Service de Médecine Interne, Centre Hospitalier Universitaire Henri Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Ivan Nemazanyy
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Vincent Jung
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Chiara Guerrera
- Structure Fédérative de Recherche Necker, INSERM US24-CNRS UAR3633, Paris, France
| | - Sébastien Storck
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France
| | - Matthieu Mahévas
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France; Institut Mondor de Recherche Biomédicale (IMRB), INSERM U955, équipe 2, Université Paris-Est Créteil (UPEC), Créteil, France; Service de Médecine Interne, Centre Hospitalier Universitaire Henri Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Antonio Cosma
- Translational Medicine Operations Hub, National Cytometry Platform, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
| | - Patrick Revy
- INSERM UMR 1163, Laboratory of Genome Dynamics in the Immune System, Labellisé Ligue Nationale contre le Cancer, Imagine Institute, Université Paris Cité, Paris, France
| | - Thierry Fest
- Université de Rennes 1, INSERM, Établissement Français du Sang de Bretagne, UMR_S1236, Rennes, France; Laboratoire d'Hématologie, Pôle de Biologie, Centre Hospitalier Universitaire, Rennes, France
| | - Claude-Agnès Reynaud
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France.
| | - Jean-Claude Weill
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMR 8253, Université Paris Cité, Paris, France.
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12
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Valeri V, Sochon A, Ye C, Mao X, Lecoeuche D, Fillatreau S, Weill JC, Reynaud CA, Hao Y. B cell intrinsic and extrinsic factors impacting memory recall responses to SRBC challenge. Front Immunol 2022; 13:873886. [PMID: 35967317 PMCID: PMC9367638 DOI: 10.3389/fimmu.2022.873886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/06/2022] [Indexed: 11/20/2022] Open
Abstract
MBCs (MBCs) generated in T-dependent immune responses can persist for a lifetime and rapidly react upon secondary antigen exposure to differentiate into plasma cells (PCs) and/or to improve the affinity of their BCR through new rounds of hypermutation in germinal centers (GCs). The fate of a MBC in secondary immune reactions appears to depend upon multiple parameters, whose understanding is mandatory for the design of efficient vaccine strategies. We followed the behavior of MBCs in recall responses to SRBCs using an inducible AID fate mapping mouse model in which B cells engaged in a germinal center (GC) response are irreversibly labeled upon simultaneous tamoxifen ingestion and immunization. We used different schemes of mouse immunization and tamoxifen feeding in adoptive-transfer experiments of total splenic B cells into congenic mice that have been pre-immunized or not, to assess the contribution of the different effector subsets in a physiological competitive context. We were able to show that naive B cells can differentiate into GC B cells with kinetics similar to MBCs in the presence of previously activated T follicular helper (TFH) cells and a primed microenvironment. We also showed that MBCs are recruited into secondary GCs, together with naive B cells. In contrast, PC differentiation, which dominated secondary MBC responses, was not dependent upon a previous TFH activation. We observed that the presence of persisting germinal centers and circulating antibody levels are key factors determining the germinal center versus plasma cell fate in a recall response. Notably, disruption of persistent germinal center structures by a lymphotoxin beta-receptor fusion protein or a longer timing between the prime and the boost, which correlated with reduced antigen-specific immunoglobulin levels in serum, were two conditions with an opposite impact, respectively inhibiting or promoting a GC fate for MBCs. Altogether, these studies highlight the complexity of recall responses, whose outcome varies according to immunization contexts.
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Affiliation(s)
- Viviana Valeri
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Akhésa Sochon
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Chaoliang Ye
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xinru Mao
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Damiana Lecoeuche
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Simon Fillatreau
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Jean-Claude Weill
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Claude-Agnès Reynaud
- Institut Necker Enfants-Malades, INSERM U1151-CNRS UMR 8253, Université de Paris, Paris, France
| | - Yi Hao
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Geriatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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13
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Crane C, Loop L, Anterasian C, Geng B, Ingulli E. Balancing B cell responses to the allograft: implications for vaccination. Front Immunol 2022; 13:948379. [PMID: 35967363 PMCID: PMC9363634 DOI: 10.3389/fimmu.2022.948379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 07/06/2022] [Indexed: 11/13/2022] Open
Abstract
Balancing enough immunosuppression to prevent allograft rejection and yet maintaining an intact immune system to respond to vaccinations, eliminate invading pathogens or cancer cells is an ongoing challenge to transplant physicians. Antibody mediated allograft rejection remains problematic in kidney transplantation and is the most common cause of graft loss despite current immunosuppressive therapies. The goal of immunosuppressive therapies is to prevent graft rejection; however, they prevent optimal vaccine responses as well. At the center of acute and chronic antibody mediated rejection and vaccine responses is the B lymphocyte. This review will highlight the role of B cells in alloimmune responses including the dependency on T cells for antibody production. We will discuss the need to improve vaccination rates in transplant recipients and present data on B cell populations and SARS-CoV-2 vaccine response rates in pediatric kidney transplant recipients.
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Affiliation(s)
- Clarkson Crane
- Department of Pediatrics, Division of Pediatric Nephrology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Lauren Loop
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Christine Anterasian
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
- Department of Pediatrics, Division of Pediatric Infectious Diseases, University of Washington and Seattle Children's Hospital, Seattle, WA, United States
| | - Bob Geng
- Department of Pediatrics, Division of Allergy and Immunology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
| | - Elizabeth Ingulli
- Department of Pediatrics, Division of Pediatric Nephrology, University of California at San Diego and Rady Children’s Hospital, San Diego, CA, United States
- *Correspondence: Elizabeth Ingulli,
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14
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Zhao C, Jiang Z, Tian L, Tang L, Zhou A, Dong T. Bioinformatics-Based Approach for Exploring the Immune Cell Infiltration Patterns in Alzheimer's Disease and Determining the Intervention Mechanism of Liuwei Dihuang Pill. Dose Response 2022; 20:15593258221115563. [PMID: 35898725 PMCID: PMC9310246 DOI: 10.1177/15593258221115563] [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] [Received: 06/05/2022] [Accepted: 07/07/2022] [Indexed: 11/15/2022] Open
Abstract
Traditional Chinese medicine (TCM) compounds have recently garnered attention for the regulation of immune cell infiltration and the prevention and treatment of Alzheimer's disease (AD). The Liuwei Dihuang Pill (LDP) has potential in this regard; however, its specific molecular mechanism currently remains unclear. Therefore, we adopted a bioinformatics approach to investigate the infiltration patterns of different types of immune cells in AD and explored the molecular mechanism of LDP intervention, with the aim of providing a new basis for improving the clinical immunotherapy of AD patients. We found that M1 macrophages showed significantly different degrees of infiltration between the hippocampal tissue samples of AD patients and healthy individuals. Four immune intersection targets of LDP in the treatment of AD were identified; they were enriched in 206 biological functions and 30 signaling pathways. Quercetin had the best docking effect with the core immune target PRKCB. Our findings suggest that infiltrated immune cells may influence the course of AD and that LDP can regulate immune cell infiltration through multi-component, multi-target, and multi-pathway approaches, providing a new research direction regarding AD immunotherapy.
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Affiliation(s)
- Chenling Zhao
- The First Clinical Medical College, Anhui University of Chinese Medicine, Hefei, China
| | - Zhangsheng Jiang
- The First Clinical Medical College, Anhui University of Chinese Medicine, Hefei, China
| | - Liwei Tian
- The First Clinical Medical College, Anhui University of Chinese Medicine, Hefei, China
| | - Lulu Tang
- Department of Neurology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - An Zhou
- Department of Neurology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
| | - Ting Dong
- Department of Neurology, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, China
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15
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Pape KA, Dileepan T, Matchett WE, Ellwood C, Stresemann S, Kabage AJ, Kozysa D, Evert C, Matson M, Lopez S, Krueger PD, Graiziger CT, Vaughn BP, Shmidt E, Rhein J, Schacker TW, Bold TD, Langlois RA, Khoruts A, Jenkins MK. Boosting corrects a memory B cell defect in SARS-CoV-2 mRNA-vaccinated patients with inflammatory bowel disease. JCI Insight 2022; 7:159618. [PMID: 35730567 PMCID: PMC9309052 DOI: 10.1172/jci.insight.159618] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 05/13/2022] [Indexed: 11/17/2022] Open
Abstract
Immunosuppressed patients with inflammatory bowel disease (IBD) generate lower amounts of SARS-CoV-2 spike antibodies after mRNA vaccination than healthy controls. We assessed SARS-CoV-2 spike S1 receptor binding domain–specific (S1-RBD–specific) B lymphocytes to identify the underlying cellular defects. Patients with IBD produced fewer anti–S1-RBD antibody–secreting B cells than controls after the first mRNA vaccination and lower amounts of total and neutralizing antibodies after the second. S1-RBD–specific memory B cells were generated to the same degree in IBD and control groups and were numerically stable for 5 months. However, the memory B cells in patients with IBD had a lower S1-RBD–binding capacity than those in controls, which is indicative of a defect in antibody affinity maturation. Administration of a third shot to patients with IBD elevated serum antibodies and generated memory B cells with a normal antigen-binding capacity. These results show that patients with IBD have defects in the formation of antibody-secreting B cells and affinity-matured memory B cells that are corrected by a third vaccination.
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Affiliation(s)
- Kathryn A Pape
- Department of Microbiology and Immunology.,Center for Immunology
| | | | | | - Charles Ellwood
- Department of Microbiology and Immunology.,Center for Immunology
| | | | | | - Daria Kozysa
- Department of Medicine, Division of Gastroenterology, and
| | - Clayton Evert
- Department of Medicine, Division of Gastroenterology, and
| | - Michael Matson
- Department of Medicine, Division of Gastroenterology, and
| | - Sharon Lopez
- Department of Medicine, Division of Gastroenterology, and
| | - Peter D Krueger
- Department of Microbiology and Immunology.,Center for Immunology
| | | | - Byron P Vaughn
- Department of Medicine, Division of Gastroenterology, and
| | - Eugenia Shmidt
- Department of Medicine, Division of Gastroenterology, and
| | - Joshua Rhein
- Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Timothy W Schacker
- Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Tyler D Bold
- Center for Immunology.,Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, Minnesota, USA
| | - Ryan A Langlois
- Department of Microbiology and Immunology.,Center for Immunology
| | - Alexander Khoruts
- Center for Immunology.,Department of Medicine, Division of Gastroenterology, and
| | - Marc K Jenkins
- Department of Microbiology and Immunology.,Center for Immunology
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16
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Patel SR, Lundgren TS, Baldwin WH, Cox C, Parker ET, Healey JF, Jajosky RP, Zerra PE, Josephson CD, Doering CB, Stowell SR, Meeks SL. Neutralizing Antibodies Against Factor VIII Can Occur Through a Non-Germinal Center Pathway. Front Immunol 2022; 13:880829. [PMID: 35634288 PMCID: PMC9132091 DOI: 10.3389/fimmu.2022.880829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 04/12/2022] [Indexed: 11/13/2022] Open
Abstract
Humoral immunity to factor VIII (FVIII) represents a significant challenge for the treatment of patients with hemophilia A. Current paradigms indicate that neutralizing antibodies against FVIII (inhibitors) occur through a classical CD4 T cell, germinal center (GC) dependent process. However, clinical observations suggest that the nature of the immune response to FVIII may differ between patients. While some patients produce persistent low or high inhibitor titers, others generate a transient response. Moreover, FVIII reactive memory B cells are only detectable in some patients with sustained inhibitor titers. The determinants regulating the type of immune response a patient develops, let alone how the immune response differs in these patients remains incompletely understood. One hypothesis is that polymorphisms within immunoregulatory genes alter the underlying immune response to FVIII, and thereby the inhibitor response. Consistent with this, studies report that inhibitor titers to FVIII differ in animals with the same F8 pathogenic variant but completely distinct backgrounds; though, how these genetic disparities affect the immune response to FVIII remains to be investigated. Given this, we sought to mechanistically dissect how genetics impact the underlying immune response to FVIII. In particular, as the risk of producing inhibitors is weakly associated with differences in HLA, we hypothesized that genetic factors other than HLA influence the immune response to FVIII and downstream inhibitor formation. Our data demonstrate that FVIII deficient mice encoding the same MHC and F8 variant produce disparate inhibitor titers, and that the type of inhibitor response formed associates with the ability to generate GCs. Interestingly, the formation of antibodies through a GC or non-GC pathway does not appear to be due to differences in CD4 T cell immunity, as the CD4 T cell response to an immunodominant epitope in FVIII was similar in these mice. These results indicate that genetics can impact the process by which inhibitors develop and may in part explain the apparent propensity of patients to form distinct inhibitor responses. Moreover, these data highlight an underappreciated immunological pathway of humoral immunity to FVIII and lay the groundwork for identification of biomarkers for the development of approaches to tolerize against FVIII.
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Affiliation(s)
- Seema R Patel
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Taran S Lundgren
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States.,Graduate Program in Molecular and Systems Pharmacology, Laney Graduate School, Emory University School of Medicine, Atlanta, GA, United States
| | - Wallace Hunter Baldwin
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Courtney Cox
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Ernest T Parker
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - John F Healey
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Ryan P Jajosky
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Patricia E Zerra
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States.,Center for Transfusion Medicine and Cellular Therapies, Department of Laboratory Medicine and Pathology, Emory University School of Medicine, Atlanta, GA, United States
| | - Cassandra D Josephson
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Christopher B Doering
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
| | - Sean R Stowell
- Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Shannon L Meeks
- Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta/Emory University School of Medicine, Atlanta, GA, United States
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17
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Zhang Y, Garcia-Ibanez L, Ulbricht C, Lok LSC, Pike JA, Mueller-Winkler J, Dennison TW, Ferdinand JR, Burnett CJM, Yam-Puc JC, Zhang L, Alfaro RM, Takahama Y, Ohigashi I, Brown G, Kurosaki T, Tybulewicz VLJ, Rot A, Hauser AE, Clatworthy MR, Toellner KM. Recycling of memory B cells between germinal center and lymph node subcapsular sinus supports affinity maturation to antigenic drift. Nat Commun 2022; 13:2460. [PMID: 35513371 PMCID: PMC9072412 DOI: 10.1038/s41467-022-29978-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/31/2022] [Indexed: 02/04/2023] Open
Abstract
Infection or vaccination leads to the development of germinal centers (GC) where B cells evolve high affinity antigen receptors, eventually producing antibody-forming plasma cells or memory B cells. Here we follow the migratory pathways of B cells emerging from germinal centers (BEM) and find that many BEM cells migrate into the lymph node subcapsular sinus (SCS) guided by sphingosine-1-phosphate (S1P). From the SCS, BEM cells may exit the lymph node to enter distant tissues, while some BEM cells interact with and take up antigen from SCS macrophages, followed by CCL21-guided return towards the GC. Disruption of local CCL21 gradients inhibits the recycling of BEM cells and results in less efficient adaption to antigenic variation. Our findings thus suggest that the recycling of antigen variant-specific BEM cells and transport of antigen back to GC may support affinity maturation to antigenic drift.
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Affiliation(s)
- Yang Zhang
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Laura Garcia-Ibanez
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Carolin Ulbricht
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117, Berlin, Germany
- Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Laurence S C Lok
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, UK
| | - Jeremy A Pike
- Centre of Membrane Proteins and Receptors (COMPARE), Universities of Birmingham and Nottingham, Birmingham, UK
- Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | | | - Thomas W Dennison
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, UK
| | - John R Ferdinand
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, UK
| | - Cameron J M Burnett
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Juan C Yam-Puc
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Lingling Zhang
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- The Francis Crick Institute, London, UK
| | - Raul Maqueda Alfaro
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Department of Cell Biology, Center for Research and Advanced Studies, The National Polytechnic Institute, Cinvestav-IPN, Av. IPN 2508, San Pedro Zacatenco, Gustavo A. Madero, 07360, Mexico City, Mexico
| | - Yousuke Takahama
- Thymus Biology Section, Experimental Immunology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Izumi Ohigashi
- Division of Experimental Immunology, Institute of Advanced Medical Sciences, University of Tokushima, Tokushima, 770-8503, Japan
| | - Geoffrey Brown
- Department of Cell Biology, Center for Research and Advanced Studies, The National Polytechnic Institute, Cinvestav-IPN, Av. IPN 2508, San Pedro Zacatenco, Gustavo A. Madero, 07360, Mexico City, Mexico
| | - Tomohiro Kurosaki
- Laboratory of Lymphocyte Differentiation, WPI Immunology Frontier Research Center, Osaka University, Osaka, 565-0871, Japan
- Laboratory of Lymphocyte Differentiation, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Kanagawa, 230-0045, Japan
| | | | - Antal Rot
- Centre for Microvascular Research, The William Harvey Research Institute, Queen Mary University London, EC1M 6BQ, London, UK
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University London, EC1M 6BQ, London, UK
- Institute for Cardiovascular Prevention, Ludwig-Maximilians University, 80336, Munich, Germany
| | - Anja E Hauser
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117, Berlin, Germany
- Deutsches Rheuma-Forschungszentrum (DRFZ), a Leibniz Institute, Charitéplatz 1, 10117, Berlin, Germany
| | - Menna R Clatworthy
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, UK
| | - Kai-Michael Toellner
- Institute of Immunology and Immunotherapy, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.
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18
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Mantus G, Nyhoff LE, Edara VV, Zarnitsyna VI, Ciric CR, Flowers MW, Norwood C, Ellis M, Hussaini L, Manning KE, Stephens K, Anderson EJ, Ahmed R, Suthar MS, Wrammert J. Pre-existing SARS-CoV-2 immunity influences potency, breadth, and durability of the humoral response to SARS-CoV-2 vaccination. Cell Rep Med 2022; 3:100603. [PMID: 35480625 PMCID: PMC8960152 DOI: 10.1016/j.xcrm.2022.100603] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 02/07/2022] [Accepted: 03/21/2022] [Indexed: 12/27/2022]
Abstract
The ongoing severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic highlights the importance of determining the breadth and durability of humoral immunity to SARS-CoV-2 mRNA vaccination. Herein, we characterize the humoral response in 27 naive and 40 recovered vaccinees. SARS-CoV-2-specific antibody and memory B cell (MBC) responses are durable up to 6 months, although antibody half-lives are shorter for naive recipients. The magnitude of the humoral responses to vaccination strongly correlates with responses to initial SARS-CoV-2 infection. Neutralization titers are lower against SARS-CoV-2 variants in both recovered and naive vaccinees, with titers more reduced in naive recipients. While the receptor-binding domain (RBD) is the main neutralizing target of circulating antibodies, Moderna-vaccinated naives show a lesser reliance on RBDs, with >25% neutralization remaining after depletion of RBD-binding antibodies. Overall, we observe that vaccination induces higher peak titers and improves durability in recovered compared with naive vaccinees. These findings have broad implications for current vaccine strategies deployed against the SARS-CoV-2 pandemic. Single vaccine dose effectively boosts B cell responses in recovered subjects SARS-CoV-2-specific MBCs remain activated and increase over time in naive subjects Antibody response to vaccination is broader and more durable in recovered versus naive subjects Naive vaccinees have higher proportion of non-RBD-specific neutralizing antibodies
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Affiliation(s)
- Grace Mantus
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Lindsay E Nyhoff
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Venkata-Viswanadh Edara
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Veronika I Zarnitsyna
- Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Caroline R Ciric
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Maria W Flowers
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Carson Norwood
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Madison Ellis
- Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Laila Hussaini
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Kelly E Manning
- Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA
| | - Kathy Stephens
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Evan J Anderson
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.,Department of Medicine, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Rafi Ahmed
- Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Mehul S Suthar
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.,Yerkes National Primate Research Center, Atlanta, GA 30329, USA.,Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jens Wrammert
- Department of Pediatrics, Centers for Childhood Infections and Vaccines, Children's Healthcare of Atlanta and Emory University, Atlanta, GA 30329, USA.,Emory Vaccine Center, Emory University School of Medicine, Atlanta, GA 30329, USA.,Division of Infectious Diseases, Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA
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19
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Zhao Y, Zhao S, Qin XY, He TT, Hu MM, Gong Z, Wang HM, Gong FY, Gao XM, Wang J. Altered Phenotype and Enhanced Antibody-Producing Ability of Peripheral B Cells in Mice with Cd19-Driven Cre Expression. Cells 2022; 11:cells11040700. [PMID: 35203346 PMCID: PMC8870415 DOI: 10.3390/cells11040700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
Given the importance of B lymphocytes in inflammation and immune defense against pathogens, mice transgenic for Cre under the control of Cd19 promoter (Cd19Cre/+ mice) have been widely used to specifically investigate the role of loxP-flanked genes in B cell development/function. However, impacts of expression/insertion of the Cre transgene on the phenotype and function of B cells have not been carefully studied. Here, we show that the number of marginal zone B and B1a cells was selectively reduced in Cd19Cre/+ mice, while B cell development in the bone marrow and total numbers of peripheral B cells were comparable between Cd19Cre/+ and wild type C57BL/6 mice. Notably, humoral responses to both T cell-dependent and independent antigens were significantly increased in Cd19Cre/+ mice. We speculate that these differences are mainly attributable to reduced surface CD19 levels caused by integration of the Cre-expressing cassette that inactivates one Cd19 allele. Moreover, our literature survey showed that expression of Cd19Cre/+ alone may affect the development/progression of inflammatory and anti-infectious responses. Thus, our results have important implications for the design and interpretation of results on gene functions specifically targeted in B cells in the Cd19Cre/+ mouse strain, for instance, in the context of (auto) inflammatory/infectious diseases.
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Affiliation(s)
- Ying Zhao
- Department of Pathophysiology, School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, China;
| | - Sai Zhao
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Xiao-Yuan Qin
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Ting-Ting He
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Miao-Miao Hu
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Zheng Gong
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Hong-Min Wang
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Fang-Yuan Gong
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
| | - Xiao-Ming Gao
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
- Correspondence: (X.-M.G.); (J.W.); Tel./Fax: +86-512-65882135 (J.W.)
| | - Jun Wang
- Institutes of Biology and Medical Sciences, Soochow University, Suzhou 215123, China; (S.Z.); (X.-Y.Q.); (T.-T.H.); (M.-M.H.); (Z.G.); (H.-M.W.); (F.-Y.G.)
- Correspondence: (X.-M.G.); (J.W.); Tel./Fax: +86-512-65882135 (J.W.)
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20
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Sangesland M, Lingwood D. Public Immunity: Evolutionary Spandrels for Pathway-Amplifying Protective Antibodies. Front Immunol 2021; 12:708882. [PMID: 34956170 PMCID: PMC8696009 DOI: 10.3389/fimmu.2021.708882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 11/23/2021] [Indexed: 12/14/2022] Open
Abstract
Humoral immunity is seeded by affinity between the B cell receptor (BCR) and cognate antigen. While the BCR is a chimeric display of diverse antigen engagement solutions, we discuss its functional activity as an ‘innate-like’ immune receptor, wherein genetically hardwired antigen complementarity can serve as reproducible templates for pathway-amplifying otherwise immunologically recessive antibody responses. We propose that the capacity for germline reactivity to new antigen emerged as a set of evolutionary spandrels or coupled traits, which can now be exploited by rational vaccine design to focus humoral immunity upon conventionally immune-subdominant antibody targets. Accordingly, we suggest that evolutionary spandrels account for the necessary but unanticipated antigen reactivity of the germline antibody repertoire.
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Affiliation(s)
- Maya Sangesland
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard University, Cambridge, MA, United States
| | - Daniel Lingwood
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard University, Cambridge, MA, United States
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21
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Ezdakova IY, Kapustina OV, Valsiferova SV, Grigorev AG. Immune Repertoire of Sheep Blood B-Cells in the Postvaccination Immune Response. RUSSIAN AGRICULTURAL SCIENCES 2021. [PMCID: PMC8962926 DOI: 10.3103/s1068367422010025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The main specific functions of B-cells are carried out with the help of membrane receptors. Binding of the receptor to its ligand activates a cascade of reactions leading to the formation of memory cells and protective antibodies. The study was conducted to analyze the phenotypic profile of sheep blood B-cells in the process of postvaccination immune response to an inactivated vaccine against pathogens of acute intestinal diseases of animals. Romanov sheep at the age of 1.5 years were immunized twice with a 2-week interval. Studies were conducted before vaccination and on the seventh, 14th, and 21 days of the immune response. The phenotype of B-cells was determined by immunoperoxidase staining using monoclonal antibodies to CD receptors. A simple radial immunodiffusion reaction was used to assess IgG levels. Vaccination of sheep with an inactivated vaccine caused an increase in the level of the general population of leukocytes and a subpopulation of B2 cells (p < 0.05). The absolute number of leukocytes increased on the seventh and 14th days of the primary immune response and on the seventh day of the secondary immune response compared to the initial values. The number of B2 lymphocytes with the CD5 – IgM+ phenotype increased and amounted to 9.0 × 106 cells/mL on day 7 and 11.2 × 106 cells/mL on day 14 of the primary immune response (4.5 × 106 cells/mL before the introduction of the vaccine). An increase in the level of the CD5 – CD19 + IgM + CD20 + lymphocyte subpopulation was noted in the first 2 weeks of the immune response and was 2.5 times higher than the initial value. Data were obtained on the absence of the effect of vaccination on the level of lymphocytes with the CD5 + CD19 + IgM + phenotype (B1-cells), which did not change during either the primary or secondary immune response, which indicates the independence of priming of the two main subpopulations of B-cells. The structural components of the immune system in the process of immunogenesis are not activated simultaneously, and when evaluating the effectiveness of vaccination, functional interrelations of immunological indicators are of particular importance. A strong correlation between the indicators of B2‑cells and the level of total immunoglobulins of class G (r = 0.9) indicates a positive effect of vaccination.
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22
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Vaccine-elicited CD4 T cells prevent the deletion of antiviral B cells in chronic infection. Proc Natl Acad Sci U S A 2021; 118:2108157118. [PMID: 34772811 DOI: 10.1073/pnas.2108157118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2021] [Indexed: 11/18/2022] Open
Abstract
Chronic viral infections subvert protective B cell immunity. An early type I interferon (IFN-I)-driven bias to short-lived plasmablast differentiation leads to clonal deletion, so-called "decimation," of antiviral memory B cells. Therefore, prophylactic countermeasures against decimation remain an unmet need. We show that vaccination-induced CD4 T cells prevented the decimation of naïve and memory B cells in chronically lymphocytic choriomeningitis virus (LCMV)-infected mice. Although these B cell responses were largely T independent when IFN-I was blocked, preexisting T help assured their sustainability under conditions of IFN-I-driven inflammation by instructing a germinal center B cell transcriptional program. Prevention of decimation depended on T cell-intrinsic Bcl6 and Tfh progeny formation. Antigen presentation by B cells, interactions with antigen-specific T helper cells, and costimulation by CD40 and ICOS were also required. Importantly, B cell-mediated virus control averted Th1-driven immunopathology in LCMV-challenged animals with preexisting CD4 T cell immunity. Our findings show that vaccination-induced Tfh cells represent a cornerstone of effective B cell immunity to chronic virus challenge, pointing the way toward more effective B cell-based vaccination against persistent viral diseases.
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23
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Tjiam MC, Fernandez S, French MA. Characterising the Phenotypic Diversity of Antigen-Specific Memory B Cells Before and After Vaccination. Front Immunol 2021; 12:738123. [PMID: 34650561 PMCID: PMC8505969 DOI: 10.3389/fimmu.2021.738123] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/09/2021] [Indexed: 11/20/2022] Open
Abstract
The diversity of B cell subsets and their contribution to vaccine-induced immunity in humans are not well elucidated but hold important implications for rational vaccine design. Prior studies demonstrate that B cell subsets distinguished by immunoglobulin (Ig) isotype expression exhibit divergent activation-induced fates. Here, the antigen-specific B cell response to tetanus toxoid (TTd) booster vaccination was examined in healthy adults, using a dual-TTd tetramer staining flow cytometry protocol. Unsupervised analyses of the data revealed that prior to vaccination, IgM-expressing CD27+ B cells accounted for the majority of TTd-binding B cells. 7 days following vaccination, there was an acute expansion of TTd-binding plasmablasts (PB) predominantly expressing IgG, and a minority expressing IgA or IgM. Frequencies of all PB subsets returned to baseline at days 14 and 21. TTd-binding IgG+ and IgA+ memory B cells (MBC) exhibited a steady and delayed maximal expansion compared to PB, peaking in frequencies at day 14. In contrast, the number of TTd-binding IgM+IgD+CD27+ B cells and IgM-only CD27+ B cells remain unchanged following vaccination. To examine TTd-binding capacity of IgG+ MBC and IgM+IgD+CD27+ B cells, surface TTd-tetramer was normalised to expression of the B cell receptor-associated CD79b subunit. CD79b-normalised TTd binding increased in IgG+ MBC, but remained unchanged in IgM+IgD+CD27+ B cells, and correlated with the functional affinity index of plasma TTd-specific IgG antibodies, following vaccination. Finally, frequencies of activated (PD-1+ICOS+) circulating follicular helper T cells (cTFH), particularly of the CXCR3-CCR6- cTFH2 cell phenotype, at their peak expansion, strongly predicted antigen-binding capacity of IgG+ MBC. These data highlight the phenotypic and functional diversity of the B cell memory compartment, in their temporal kinetics, antigen-binding capacities and association with cTFH cells, and are important parameters for consideration in assessing vaccine-induced immune responses.
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Affiliation(s)
- M Christian Tjiam
- School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Sonia Fernandez
- Division of Immunology, PathWest Laboratory Medicine, Nedlands, WA, Australia
| | - Martyn A French
- School of Biomedical Sciences, The University of Western Australia, Crawley, WA, Australia
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24
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Pape KA, Dileepan T, Kabage AJ, Kozysa D, Batres R, Evert C, Matson M, Lopez S, Krueger PD, Graiziger C, Vaughn BP, Shmidt E, Rhein J, Schacker TW, Khoruts A, Jenkins MK. High-affinity memory B cells induced by SARS-CoV-2 infection produce more plasmablasts and atypical memory B cells than those primed by mRNA vaccines. Cell Rep 2021; 37:109823. [PMID: 34610291 PMCID: PMC8463313 DOI: 10.1016/j.celrep.2021.109823] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/16/2021] [Accepted: 09/20/2021] [Indexed: 02/03/2023] Open
Abstract
Although both infections and vaccines induce memory B cell (MBC) populations that participate in secondary immune responses, the MBCs generated in each case can differ. Here, we compare SARS-CoV-2 spike receptor binding domain (S1-RBD)-specific primary MBCs that form in response to infection or a single mRNA vaccination. Both primary MBC populations have similar frequencies in the blood and respond to a second S1-RBD exposure by rapidly producing plasmablasts with an abundant immunoglobulin (Ig)A+ subset and secondary MBCs that are mostly IgG+ and cross-react with the B.1.351 variant. However, infection-induced primary MBCs have better antigen-binding capacity and generate more plasmablasts and secondary MBCs of the classical and atypical subsets than do vaccine-induced primary MBCs. Our results suggest that infection-induced primary MBCs have undergone more affinity maturation than vaccine-induced primary MBCs and produce more robust secondary responses.
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Affiliation(s)
- Kathryn A Pape
- Department of Microbiology and Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Thamotharampillai Dileepan
- Department of Microbiology and Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Amanda J Kabage
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Daria Kozysa
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Rodolfo Batres
- Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Clayton Evert
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Michael Matson
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Sharon Lopez
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Peter D Krueger
- Department of Microbiology and Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Carolyn Graiziger
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Byron P Vaughn
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Eugenia Shmidt
- Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Joshua Rhein
- Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Timothy W Schacker
- Department of Medicine, Division of Infectious Disease, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Alexander Khoruts
- Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Department of Medicine, Division of Gastroenterology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
| | - Marc K Jenkins
- Department of Microbiology and Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA; Center for Immunology, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
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25
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Limited access to antigen drives generation of early B cell memory while restraining the plasmablast response. Immunity 2021; 54:2005-2023.e10. [PMID: 34525339 PMCID: PMC7612941 DOI: 10.1016/j.immuni.2021.08.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 05/26/2021] [Accepted: 07/07/2021] [Indexed: 01/08/2023]
Abstract
Cell fate decisions during early B cell activation determine the outcome of responses to pathogens and vaccines. We examined the early B cell response to T-dependent antigen in mice by single-cell RNA sequencing. Early after immunization, a homogeneous population of activated precursors (APs) gave rise to a transient wave of plasmablasts (PBs), followed a day later by the emergence of germinal center B cells (GCBCs). Most APs rapidly exited the cell cycle, giving rise to non-GC-derived early memory B cells (eMBCs) that retained an AP-like transcriptional profile. Rapid decline of antigen availability controlled these events; provision of excess antigen precluded cell cycle exit and induced a new wave of PBs. Fate mapping revealed a prominent contribution of eMBCs to the MBC pool. Quiescent cells with an MBC phenotype dominated the early response to immunization in primates. A reservoir of APs/eMBCs may enable rapid readjustment of the immune response when failure to contain a threat is manifested by increased antigen availability.
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26
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Brooks JF, Tan C, Mueller JL, Hibiya K, Hiwa R, Vykunta V, Zikherman J. Negative feedback by NUR77/Nr4a1 restrains B cell clonal dominance during early T-dependent immune responses. Cell Rep 2021; 36:109645. [PMID: 34469720 PMCID: PMC8564879 DOI: 10.1016/j.celrep.2021.109645] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/26/2021] [Accepted: 08/11/2021] [Indexed: 12/29/2022] Open
Abstract
B cell clones compete for entry into and dominance within germinal centers (GCs), where the highest-affinity B cell receptors (BCRs) are selected. However, diverse and low-affinity B cells can enter and reside in GCs for extended periods. To reconcile these observations, we hypothesize that a negative feedback loop may operate within B cells to preferentially restrain high-affinity clones from monopolizing the early GC niche. Here, we report a role for the nuclear receptor NUR77/Nr4a1 in this process. We show that NUR77 expression scales with antigen stimulation and restrains B cell expansion. Although NUR77 is dispensable for regulating GC size when GCs are elicited in a largely clonal manner, it serves to curb immunodominance under conditions where diverse clonal populations must compete for a constrained niche. We propose that this is important to preserve early clonal diversity in order to limit holes in the post-immune repertoire and to optimize GC selection.
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MESH Headings
- Animals
- B-Lymphocytes/drug effects
- B-Lymphocytes/immunology
- B-Lymphocytes/metabolism
- Cell Proliferation
- Cells, Cultured
- Clonal Selection, Antigen-Mediated
- Feedback, Physiological
- Female
- Germinal Center/drug effects
- Germinal Center/immunology
- Germinal Center/metabolism
- Immunity, Humoral/drug effects
- Immunization
- Immunodominant Epitopes
- Lymphocyte Activation
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Nuclear Receptor Subfamily 4, Group A, Member 1/genetics
- Nuclear Receptor Subfamily 4, Group A, Member 1/metabolism
- Signal Transduction
- T-Lymphocytes/drug effects
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Vaccines, Synthetic/administration & dosage
- Mice
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Affiliation(s)
- Jeremy F Brooks
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Corey Tan
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - James L Mueller
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kenta Hibiya
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Ryosuke Hiwa
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Vivasvan Vykunta
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Julie Zikherman
- Division of Rheumatology, Rosalind Russell and Ephraim P. Engleman Rheumatology Research Center, Department of Medicine, University of California San Francisco, San Francisco, CA 94143, USA.
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27
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Viant C, Wirthmiller T, ElTanbouly MA, Chen ST, Kara EE, Cipolla M, Ramos V, Oliveira TY, Stamatatos L, Nussenzweig MC. Germinal center-dependent and -independent memory B cells produced throughout the immune response. J Exp Med 2021; 218:e20202489. [PMID: 34106207 PMCID: PMC8193567 DOI: 10.1084/jem.20202489] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 04/08/2021] [Accepted: 05/17/2021] [Indexed: 12/21/2022] Open
Abstract
Memory B cells comprise a heterogenous group of cells that differ in origin and phenotype. During the early phases of the immune response, activated B cells can differentiate into IgM-expressing memory cells, short-lived plasma cells, or seed germinal centers (GCs). The memory compartment is subsequently enriched by B cells that have been through several rounds of division and selection in the GC. Here, we report on the use of an unbiased lineage-tracking approach to explore the origins and properties of memory B cell subsets in mice with an intact immune system. We find that activated B cells continue to differentiate into memory B cells throughout the immune response. When defined on the basis of their origins, the memory B cells originating from activated B cells or GCs differ in isotype and overall gene expression, somatic hypermutation, and their affinity for antigen.
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Affiliation(s)
- Charlotte Viant
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Tobias Wirthmiller
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | | | - Spencer T. Chen
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Ervin E. Kara
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Melissa Cipolla
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Victor Ramos
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Thiago Y. Oliveira
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
| | - Leonidas Stamatatos
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Department of Global Health, University of Washington, Seattle, WA
| | - Michel C. Nussenzweig
- Laboratory of Molecular Immunology, The Rockefeller University, New York, NY
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY
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28
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Pušnik J, Richter E, Schulte B, Dolscheid-Pommerich R, Bode C, Putensen C, Hartmann G, Alter G, Streeck H. Memory B cells targeting SARS-CoV-2 spike protein and their dependence on CD4 + T cell help. Cell Rep 2021; 35:109320. [PMID: 34146478 PMCID: PMC8192958 DOI: 10.1016/j.celrep.2021.109320] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/05/2021] [Accepted: 06/07/2021] [Indexed: 11/16/2022] Open
Abstract
Memory B cells seem to be more durable than antibodies and thus crucial for the long-term immunity against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Here we investigate SARS-CoV-2 spike-specific memory B cells and their dependence on CD4+ T cell help in different settings of coronavirus disease 2019 (COVID-19). Compared with severely ill individuals, those who recovered from mild COVID-19 develop fewer but functionally superior spike-specific memory B cells. Generation and affinity maturation of these cells is best associated with IL-21+CD4+ T cells in recovered individuals and CD40L+CD4+ T cells in severely ill individuals. The increased activation and exhaustion of memory B cells observed during COVID-19 correlates with CD4+ T cell functions. Intriguingly, CD4+ T cells recognizing membrane protein show a stronger association with spike-specific memory B cells than those recognizing spike or nucleocapsid proteins. Overall, we identify CD4+ T cell subsets associated with the generation of B cell memory during SARS-CoV-2 infection.
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Affiliation(s)
- Jernej Pušnik
- Institute of Virology, University Hospital Bonn, Bonn 53127, Germany; German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany
| | - Enrico Richter
- Institute of Virology, University Hospital Bonn, Bonn 53127, Germany; German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany
| | - Bianca Schulte
- Institute of Virology, University Hospital Bonn, Bonn 53127, Germany; German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany
| | - Ramona Dolscheid-Pommerich
- German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany; Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, 53127, Germany
| | - Christian Bode
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, Bonn 53127, Germany
| | - Christian Putensen
- Department of Anesthesiology and Intensive Care Medicine, University Hospital Bonn, Bonn 53127, Germany
| | - Gunther Hartmann
- German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany; Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Bonn, 53127, Germany
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, Massachusetts General Hospital, Boston, MA 02139-3583, USA
| | - Hendrik Streeck
- Institute of Virology, University Hospital Bonn, Bonn 53127, Germany; German Center for Infection Research (DZIF), partner site Bonn-Cologne, Braunschweig 38124, Germany.
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29
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Sangesland M, Yousif AS, Ronsard L, Kazer SW, Zhu AL, Gatter GJ, Hayward MR, Barnes RM, Quirindongo-Crespo M, Rohrer D, Lonberg N, Kwon D, Shalek AK, Lingwood D. A Single Human V H-gene Allows for a Broad-Spectrum Antibody Response Targeting Bacterial Lipopolysaccharides in the Blood. Cell Rep 2021; 32:108065. [PMID: 32846123 PMCID: PMC7446668 DOI: 10.1016/j.celrep.2020.108065] [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: 04/08/2020] [Revised: 06/05/2020] [Accepted: 07/31/2020] [Indexed: 02/03/2023] Open
Abstract
B cell receptors (BCRs) display a combination of variable (V)-gene-encoded complementarity determining regions (CDRs) and adaptive/hypervariable CDR3 loops to engage antigens. It has long been proposed that the former tune for recognition of pathogens or groups of pathogens. To experimentally evaluate this within the human antibody repertoire, we perform immune challenges in transgenic mice that bear diverse human CDR3 and light chains but are constrained to different human VH-genes. We find that, of six commonly deployed VH sequences, only those CDRs encoded by IGHV1-2∗02 enable polyclonal antibody responses against bacterial lipopolysaccharide (LPS) when introduced to the bloodstream. The LPS is from diverse strains of gram-negative bacteria, and the VH-gene-dependent responses are directed against the non-variable and universal saccrolipid substructure of this antigen. This reveals a broad-spectrum anti-LPS response in which germline-encoded CDRs naturally hardwire the human antibody repertoire for recognition of a conserved microbial target.
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Affiliation(s)
- Maya Sangesland
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Ashraf S Yousif
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Larance Ronsard
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Samuel W Kazer
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Institute for Medical Engineering and Science (IMES), Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main St., Cambridge, MA 02142, USA
| | - Alex Lee Zhu
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - G James Gatter
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Institute for Medical Engineering and Science (IMES), Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main St., Cambridge, MA 02142, USA
| | - Matthew R Hayward
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Ralston M Barnes
- Bristol-Myers Squibb, 700 Bay Rd., Redwood City, CA 94063-2478, USA
| | | | - Daniel Rohrer
- Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main St., Cambridge, MA 02142, USA
| | - Nils Lonberg
- Bristol-Myers Squibb, 700 Bay Rd., Redwood City, CA 94063-2478, USA
| | - Douglas Kwon
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Division of Infectious Diseases, Massachusetts General Hospital. 55 Fruit St., Boston, MA 02114, USA
| | - Alex K Shalek
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Institute for Medical Engineering and Science (IMES), Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Broad Institute of Massachusetts Institute of Technology and Harvard, 415 Main St., Cambridge, MA 02142, USA
| | - Daniel Lingwood
- The Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA.
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30
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Multiple Levels of Immunological Memory and Their Association with Vaccination. Vaccines (Basel) 2021; 9:vaccines9020174. [PMID: 33669597 PMCID: PMC7922266 DOI: 10.3390/vaccines9020174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/15/2021] [Accepted: 02/17/2021] [Indexed: 12/25/2022] Open
Abstract
Immunological memory is divided into many levels to counteract the provocations of diverse and ever-changing infections. Fast functions of effector memory and the superposition of both quantitatively and qualitatively plastic anticipatory memory responses together form the walls of protection against pathogens. Here we provide an overview of the role of different B and T cell subsets and their interplay, the parallel and independent functions of the B1, marginal zone B cells, T-independent- and T-dependent B cell responses, as well as functions of central and effector memory T cells, tissue-resident and follicular helper T cells in the memory responses. Age-related limitations in the immunological memory of these cell types in neonates and the elderly are also discussed. We review how certain aspects of immunological memory and the interactions of components can affect the efficacy of vaccines, in order to link our knowledge of immunological memory with the practical application of vaccination.
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31
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Ripperger TJ, Bhattacharya D. Transcriptional and Metabolic Control of Memory B Cells and Plasma Cells. Annu Rev Immunol 2021; 39:345-368. [PMID: 33556247 DOI: 10.1146/annurev-immunol-093019-125603] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
For many infections and almost all vaccines, neutralizing-antibody-mediated immunity is the primary basis and best functional correlate of immunological protection. Durable long-term humoral immunity is mediated by antibodies secreted by plasma cells that preexist subsequent exposures and by memory B cells that rapidly respond to infections once they have occurred. In the midst of the current pandemic of coronavirus disease 2019, it is important to define our current understanding of the unique roles of memory B cells and plasma cells in immunity and the factors that control the formation and persistence of these cell types. This fundamental knowledge is the basis to interpret findings from natural infections and vaccines. Here, we review transcriptional and metabolic programs that promote and support B cell fates and functions, suggesting points at which these pathways do and do not intersect.
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Affiliation(s)
- Tyler J Ripperger
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
| | - Deepta Bhattacharya
- Department of Immunobiology, University of Arizona College of Medicine-Tucson, Tucson, Arizona 85724, USA; ,
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32
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Immunoglobulin germline gene variation and its impact on human disease. Genes Immun 2021; 22:205-217. [PMID: 34175903 PMCID: PMC8234759 DOI: 10.1038/s41435-021-00145-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/01/2021] [Accepted: 06/10/2021] [Indexed: 02/06/2023]
Abstract
Immunoglobulins (Ig) play an important role in the immune system both when expressed as antigen receptors on the cell surface of B cells and as antibodies secreted into extracellular fluids. The advent of high-throughput sequencing methods has enabled the investigation of human Ig repertoires at unprecedented depth. This has led to the discovery of many previously unreported germline Ig alleles. Moreover, it is becoming clear that convergent and stereotypic antibody responses are common where different individuals recognise defined antigenic epitopes with the use of the same Ig V genes. Thus, germline V gene variation is increasingly being linked to the differential capacity of generating an effective immune response, which might lead to varying disease susceptibility. Here, we review recent evidence of how germline variation in Ig genes impacts the Ig repertoire and its subsequent effects on the adaptive immune response in vaccination, infection, and autoimmunity.
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33
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Post-Vaccination Yellow Fever Antiserum Reduces Zika Virus in Embryoid Bodies When Placental Cells are Present. Vaccines (Basel) 2020; 8:vaccines8040752. [PMID: 33322247 PMCID: PMC7768546 DOI: 10.3390/vaccines8040752] [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] [Received: 10/09/2020] [Revised: 11/09/2020] [Accepted: 11/29/2020] [Indexed: 11/18/2022] Open
Abstract
Zika virus (ZIKV) is a flavivirus that originated in Africa but emerged in Latin America in 2015. In this region, other flaviviruses such as Dengue (DENV), West Nile, and Yellow Fever virus (YFV) also circulate, allowing for possible antigenic cross-reactivity to impact viral infections and immune responses. Studies have found antibody-mediated enhancement between DENV and ZIKV, but the impact of YFV antibodies on ZIKV infection has not been fully explored. ZIKV infections cause congenital syndromes, such as microcephaly, necessitating further research into ZIKV vertical transmission through the placental barrier. Recent advancements in biomedical engineering have generated co-culture methods that allow for the in vitro recapitulation of the maternal–fetal interface. This study utilized a transwell assay, which was a co-culture model utilizing human placental syncytiotrophoblasts, fetal umbilical cells, and a differentiating embryoid body, to replicate the maternal–fetal axis. To determine if cross-reactive YFV vaccine antibodies impacted the pathogenesis of ZIKV across the maternal–fetal axis, syncytiotrophoblasts were inoculated with ZIKV or ZIKV incubated with YFV vaccine antisera, and the viral load was measured 72 h post-inoculation. Here, we report that BeWo and HUVEC cells were permissive to ZIKV and that the impact of YFV post-vaccination antibodies on ZIKV replication was cell line-dependent. Embryoid bodies were also permissive to ZIKV, and the presence of YFV antibodies collected 4–14 months post-vaccination reduced ZIKV infection when placental cells were present. However, when directly infected with ZIKV, the embryoid bodies displayed significantly increased viral loads in the presence of YFV antiserum taken 30 days post-vaccination. The data show that each of the cell lines and EBs have a unique response to ZIKV complexed with post-vaccination serum, suggesting there may be cell-specific mechanisms that impact congenital ZIKV infections. Since ZIKV infections can cause severe congenital syndromes, it is crucial to understand any potential enhancement or protection offered from cross-reactive, post-vaccination antibodies.
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34
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Jones K, Savulescu AF, Brombacher F, Hadebe S. Immunoglobulin M in Health and Diseases: How Far Have We Come and What Next? Front Immunol 2020; 11:595535. [PMID: 33193450 PMCID: PMC7662119 DOI: 10.3389/fimmu.2020.595535] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
B lymphocytes are important in secreting antibodies that protect against invading pathogens such as viruses, bacteria, parasites, and also in mediating pathogenesis of allergic diseases and autoimmunity. B lymphocytes develop in the bone marrow and contain heavy and light chains, which upon ligation form an immunoglobulin M (IgM) B cell receptor (BCR) expressed on the surface of naïve immature B cells. Naïve B cells expressing either IgM or IgD isotypes are thought to play interchangeable functions in antibody responses to T cell-dependent and T cell-independent antigens. IgM short-lived plasma cells (SLPCs) and antigen-specific IgM memory B cells (MBCs-M) are critical in the first few days of infection, as well as long-term memory induced by vaccination, respectively. At mucosal surfaces, IgM is thought to play a critical part in promoting mucosal tolerance and shaping microbiota together with IgA. In this review, we explore how IgM structure and BCR signaling shapes B cell development, self and non-self-antigen-specific antibody responses, responses to infectious (such as viruses, parasites, and fungal) and non-communicable diseases (such as autoimmunity and allergic asthma). We also explore how metabolism could influence other B cell functions such as mucosal tolerance and class switching. Finally, we discuss some of the outstanding critical research questions in both experimental and clinical settings targeting IgM.
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Affiliation(s)
- Katelyn Jones
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Anca F. Savulescu
- Division of Chemical, Systems & Synthetic Biology, Faculty of Health Sciences, Institute of Infectious Disease & Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Frank Brombacher
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Division of Immunology, Health Science Faculty, International Centre for Genetic Engineering and Biotechnology (ICGEB) and Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
- Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Faculty of Health Sciences, Institute of Infectious Diseases and Molecular Medicine (IDM), University of Cape Town, Cape Town, South Africa
| | - Sabelo Hadebe
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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35
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Wong R, Belk JA, Govero J, Uhrlaub JL, Reinartz D, Zhao H, Errico JM, D'Souza L, Ripperger TJ, Nikolich-Zugich J, Shlomchik MJ, Satpathy AT, Fremont DH, Diamond MS, Bhattacharya D. Affinity-Restricted Memory B Cells Dominate Recall Responses to Heterologous Flaviviruses. Immunity 2020; 53:1078-1094.e7. [PMID: 33010224 DOI: 10.1016/j.immuni.2020.09.001] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 06/11/2020] [Accepted: 09/04/2020] [Indexed: 02/06/2023]
Abstract
Memory B cells (MBCs) can respond to heterologous antigens either by molding new specificities through secondary germinal centers (GCs) or by selecting preexisting clones without further affinity maturation. To distinguish these mechanisms in flavivirus infections and immunizations, we studied recall responses to envelope protein domain III (DIII). Conditional deletion of activation-induced cytidine deaminase (AID) between heterologous challenges of West Nile, Japanese encephalitis, Zika, and dengue viruses did not affect recall responses. DIII-specific MBCs were contained mostly within the plasma-cell-biased CD80+ subset, and few GCs arose following heterologous boosters, demonstrating that recall responses are confined by preexisting clonal diversity. Measurement of monoclonal antibody (mAb) binding affinity to DIII proteins, timed AID deletion, single-cell RNA sequencing, and lineage tracing experiments point to selection of relatively low-affinity MBCs as a mechanism to promote diversity. Engineering immunogens to avoid this MBC diversity may facilitate flavivirus-type-specific vaccines with minimized potential for infection enhancement.
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Affiliation(s)
- Rachel Wong
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA; Department of Immunobiology, University of Arizona, Tucson, AZ 85724, USA
| | - Julia A Belk
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jennifer Govero
- Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Jennifer L Uhrlaub
- Department of Immunobiology, University of Arizona, Tucson, AZ 85724, USA
| | - Dakota Reinartz
- Department of Immunobiology, University of Arizona, Tucson, AZ 85724, USA
| | - Haiyan Zhao
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - John M Errico
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Lucas D'Souza
- Department of Immunobiology, University of Arizona, Tucson, AZ 85724, USA
| | - Tyler J Ripperger
- Department of Immunobiology, University of Arizona, Tucson, AZ 85724, USA
| | | | - Mark J Shlomchik
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15261, USA
| | - Ansuman T Satpathy
- Department of Pathology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Daved H Fremont
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA
| | - Michael S Diamond
- Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO 63110, USA; Department of Medicine, Washington University School of Medicine, Saint Louis, MO 63110, USA; Department of Molecular Microbiology, Washington University School of Medicine, Saint Louis, MO 63110, USA
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36
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Grasseau A, Boudigou M, Le Pottier L, Chriti N, Cornec D, Pers JO, Renaudineau Y, Hillion S. Innate B Cells: the Archetype of Protective Immune Cells. Clin Rev Allergy Immunol 2020; 58:92-106. [PMID: 31183788 DOI: 10.1007/s12016-019-08748-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The innate B cell (IBC) population is heterogeneous and involved in the primary immune response. IBC functions include a high ability to produce natural antibodies with IgM isotype, the elimination of apoptotic cells, and a capacity to be cognate help to T cells. Among IBC subsets, B-1 cells and marginal zone B cells are the main producers of IgM, act as rapid immune responders that may relocate to follicular lymphoid and differentiate to cytokine and antibody-secreting cells shortly after infection. IBCs functions are highly dependent on their localization site and the nature of their B cell receptor repertoire, suggesting a high plasticity range of different immune responses. In this review, we will describe the nature and functions of the different innate-like B cell subsets, first in mice and then in humans. Besides this, we will emphasize the strong ability of these cells to undertake different protective functions from the first line of defense against pathogens to the regulatory role of the broader immune response.
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Affiliation(s)
- Alexis Grasseau
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Marina Boudigou
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Laëtitia Le Pottier
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Nedra Chriti
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Divi Cornec
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Jacques-Olivier Pers
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France
| | - Yves Renaudineau
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France.,Laboratory of Immunology and Immunotherapy, CHU Brest, Brest, France
| | - Sophie Hillion
- UMR1227, Lymphocytes B et Autoimmunité, Université de Brest, INSERM, CHU de Brest, BP824, F29609, Brest, France. .,Laboratory of Immunology and Immunotherapy, CHU Brest, Brest, France.
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37
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Chong AS. Mechanisms of organ transplant injury mediated by B cells and antibodies: Implications for antibody-mediated rejection. Am J Transplant 2020; 20 Suppl 4:23-32. [PMID: 32538534 PMCID: PMC7482418 DOI: 10.1111/ajt.15844] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 02/06/2020] [Accepted: 02/19/2020] [Indexed: 01/25/2023]
Abstract
Recent adjustments to the histological diagnosis and the introduction of molecular classification are providing renewed support for the paradigm that antibody-mediated rejection (ABMR) is an important clinical problem for which there is an urgent need for better therapies. Acute ABMR is observed when the graft is exposed to rapid increases in high-titer donor-specific antibodies (DSA) that are most often generated as anamnestic responses in sensitized recipients or de novo responses in nonsensitized patients who are nonadherent. Chronic ABMR is associated with slower increases in DSA, which may be high or low titer and transient or persistent. These DSA elicit cycles of injury and repair that manifest as multilamination of the peritubular capillary basement membrane or arteriopathy manifesting as intimal fibrosis. Mitigating the problem of AMBR requires the anamnestic and de novo DSA responses to be prevented and established DSA responses to be reversed. To this end, a better understanding of the immunobiology of DSA production is necessary and also the development of assays capable of detecting early humoral immune responses.Recent advances in understanding the immunobiology of B cells and areas requiring further investigation that might lead to new therapies or better diagnosis are discussed in this review.
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Affiliation(s)
- Anita S Chong
- Section of Transplantation, Department of Surgery, University of Chicago, Chicago, Illinois, USA
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38
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Inter- and intraspecies comparison of phylogenetic fingerprints and sequence diversity of immunoglobulin variable genes. Immunogenetics 2020; 72:279-294. [PMID: 32367185 DOI: 10.1007/s00251-020-01164-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/13/2020] [Indexed: 10/24/2022]
Abstract
Protection and neutralization of a vast array of pathogens is accomplished by the tremendous diversity of the B cell receptor (BCR) repertoire. For jawed vertebrates, this diversity is initiated via the somatic recombination of immunoglobulin (Ig) germline elements. While it is clear that the number of these germline segments differs from species to species, the extent of cross-species sequence diversity remains largely uncharacterized. Here we use extensive computational and statistical methods to investigate the sequence diversity and evolutionary relationship between Ig variable (V), diversity (D), and joining (J) germline segments across nine commonly studied species ranging from zebrafish to human. Metrics such as guanine-cytosine (GC) content showed low redundancy across Ig germline genes within a given species. Other comparisons, including amino acid motifs, evolutionary selection, and sequence diversity, revealed species-specific properties. Additionally, we showed that the germline-encoded diversity differs across antibody (recombined V-D-J) repertoires of various B cell subsets. To facilitate future comparative immunogenomics analysis, we created VDJgermlines, an R package that contains the germline sequences from multiple species. Our study informs strategies for the humanization and engineering of therapeutic antibodies.
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39
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Wec AZ, Haslwanter D, Abdiche YN, Shehata L, Pedreño-Lopez N, Moyer CL, Bornholdt ZA, Lilov A, Nett JH, Jangra RK, Brown M, Watkins DI, Ahlm C, Forsell MN, Rey FA, Barba-Spaeth G, Chandran K, Walker LM. Longitudinal dynamics of the human B cell response to the yellow fever 17D vaccine. Proc Natl Acad Sci U S A 2020; 117:6675-6685. [PMID: 32152119 PMCID: PMC7104296 DOI: 10.1073/pnas.1921388117] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
A comprehensive understanding of the development and evolution of human B cell responses induced by pathogen exposure will facilitate the design of next-generation vaccines. Here, we utilized a high-throughput single B cell cloning technology to longitudinally track the human B cell response to the yellow fever virus 17D (YFV-17D) vaccine. The early memory B cell (MBC) response was mediated by both classical immunoglobulin M (IgM) (IgM+CD27+) and switched immunoglobulin (swIg+) MBC populations; however, classical IgM MBCs waned rapidly, whereas swIg+ and atypical IgM+ and IgD+ MBCs were stable over time. Affinity maturation continued for 6 to 9 mo following vaccination, providing evidence for the persistence of germinal center activity long after the period of active viral replication in peripheral blood. Finally, a substantial fraction of the neutralizing antibody response was mediated by public clones that recognize a fusion loop-proximal antigenic site within domain II of the viral envelope glycoprotein. Overall, our findings provide a framework for understanding the dynamics and complexity of human B cell responses elicited by infection and vaccination.
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Affiliation(s)
| | - Denise Haslwanter
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461
| | | | | | | | | | | | | | | | - Rohit K Jangra
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461
| | | | - David I Watkins
- Department of Pathology, University of Miami, Miami, FL 33146
| | - Clas Ahlm
- Division of Infection & Immunology, Department of Clinical Microbiology, Umeå University, 90187 Umeå, Sweden
| | - Mattias N Forsell
- Division of Infection & Immunology, Department of Clinical Microbiology, Umeå University, 90187 Umeå, Sweden
| | - Félix A Rey
- Structural Virology Unit, CNRS UMR 3569, Virology Department, Institut Pasteur, 75015 Paris, France
| | - Giovanna Barba-Spaeth
- Structural Virology Unit, CNRS UMR 3569, Virology Department, Institut Pasteur, 75015 Paris, France
| | - Kartik Chandran
- Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY 10461
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40
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Steach HR, DeBuysscher BL, Schwartz A, Boonyaratanakornkit J, Baker ML, Tooley MR, Pease NA, Taylor JJ. Cross-Reactivity with Self-Antigen Tunes the Functional Potential of Naive B Cells Specific for Foreign Antigens. THE JOURNAL OF IMMUNOLOGY 2019; 204:498-509. [PMID: 31882518 DOI: 10.4049/jimmunol.1900799] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 11/27/2019] [Indexed: 11/19/2022]
Abstract
Upon Ag exposure, naive B cells expressing BCR able to bind Ag can undergo robust proliferation and differentiation that can result in the production of Ab-secreting and memory B cells. The factors determining whether an individual naive B cell will proliferate following Ag encounter remains unclear. In this study, we found that polyclonal naive murine B cell populations specific for a variety of foreign Ags express high levels of the orphan nuclear receptor Nur77, which is known to be upregulated downstream of BCR signaling as a result of cross-reactivity with self-antigens in vivo. Similarly, a fraction of naive human B cells specific for clinically-relevant Ags derived from respiratory syncytial virus and HIV-1 also exhibited an IgMLOW IgD+ phenotype, which is associated with self-antigen cross-reactivity. Functionally, naive B cells expressing moderate levels of Nur77 are most likely to proliferate in vivo following Ag injection. Together, our data indicate that BCR cross-reactivity with self-antigen is a common feature of populations of naive B cells specific for foreign Ags and a moderate level of cross-reactivity primes individual cells for optimal proliferative responses following Ag exposure.
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Affiliation(s)
- Holly R Steach
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Blair L DeBuysscher
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Allison Schwartz
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Jim Boonyaratanakornkit
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Melissa L Baker
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Marti R Tooley
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109
| | - Nicholas A Pease
- Molecular and Cellular Biology Program, University of Washington and Fred Hutchinson Cancer Research Center, Seattle, WA 98195
| | - Justin J Taylor
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109; .,Department of Global Health, University of Washington, Seattle, WA 98195; and.,Department of Immunology, University of Washington, Seattle, WA 98109
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41
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B cell memory: building two walls of protection against pathogens. Nat Rev Immunol 2019; 20:229-238. [PMID: 31836872 PMCID: PMC7223087 DOI: 10.1038/s41577-019-0244-2] [Citation(s) in RCA: 272] [Impact Index Per Article: 54.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2019] [Indexed: 12/24/2022]
Abstract
Surviving a single infection often results in lifelong immunity to the infecting pathogen. Such protection is mediated, in large part, by two main B cell memory ‘walls’ — namely, long-lived plasma cells and memory B cells. The cellular and molecular processes that drive the production of long-lived plasma cells and memory B cells are subjects of intensive research and have important implications for global health. Indeed, although nearly all vaccines in use today depend on their ability to induce B cell memory, we have not yet succeeded in developing vaccines for some of the world’s most deadly diseases, including AIDS and malaria. Here, we describe the two-phase process by which antigen drives the generation of long-lived plasma cells and memory B cells and highlight the challenges for successful vaccine development in each phase. The authors discuss the formation of two main ‘walls’ of B cell memory to protect against pathogen reinfection. The first wall comprises high-affinity antibodies produced by long-lived plasma cells, while the second wall is formed by memory B cells.
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42
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Finney J, Yang G, Kuraoka M, Song S, Nojima T, Verkoczy L, Kitamura D, Haynes BF, Kelsoe G. Cross-Reactivity to Kynureninase Tolerizes B Cells That Express the HIV-1 Broadly Neutralizing Antibody 2F5. THE JOURNAL OF IMMUNOLOGY 2019; 203:3268-3281. [PMID: 31732530 DOI: 10.4049/jimmunol.1900069] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 10/11/2019] [Indexed: 11/19/2022]
Abstract
2F5 is an HIV-1 broadly neutralizing Ab that also binds the autoantigens kynureninase (KYNU) and anionic lipids. Generation of 2F5-like Abs is proscribed by immune tolerance, but it is unclear which autospecificity is responsible. We sampled the BCR repertoire of 2F5 knock-in mice before and after the first and second tolerance checkpoints. Nearly all small pre-B (precheckpoint) and 35-70% of anergic peripheral B cells (postcheckpoint) expressed the 2F5 BCR and maintained KYNU, lipid, and HIV-1 gp41 reactivity. In contrast, all postcheckpoint mature follicular (MF) B cells had undergone L chain editing that purged KYNU and gp41 binding but left lipid reactivity largely intact. We conclude that specificity for KYNU is the primary driver of tolerization of 2F5-expressing B cells. The MF and anergic B cell populations favored distinct collections of editor L chains; surprisingly, however, MF and anergic B cells also frequently expressed identical BCRs. These results imply that BCR autoreactivity is the primary determinant of whether a developing B cell enters the MF or anergic compartments, with a secondary role for stochastic factors that slightly mix the two pools. Our study provides mechanistic insights into how immunological tolerance impairs humoral responses to HIV-1 and supports activation of anergic B cells as a potential method for HIV-1 vaccination.
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Affiliation(s)
- Joel Finney
- Department of Immunology, Duke University, Durham, NC 27710
| | - Guang Yang
- Department of Immunology, Duke University, Durham, NC 27710
| | | | - Shengli Song
- Department of Immunology, Duke University, Durham, NC 27710
| | - Takuya Nojima
- Department of Immunology, Duke University, Durham, NC 27710
| | | | - Daisuke Kitamura
- Research Institute for Biomedical Sciences, Tokyo University of Science, Noda, Chiba 278-0022, Japan; and
| | - Barton F Haynes
- Department of Immunology, Duke University, Durham, NC 27710.,Human Vaccine Institute, Duke University, Durham, NC 27710
| | - Garnett Kelsoe
- Department of Immunology, Duke University, Durham, NC 27710; .,Human Vaccine Institute, Duke University, Durham, NC 27710
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43
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Blandino R, Baumgarth N. Secreted IgM: New tricks for an old molecule. J Leukoc Biol 2019; 106:1021-1034. [PMID: 31302940 PMCID: PMC6803036 DOI: 10.1002/jlb.3ri0519-161r] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 06/25/2019] [Accepted: 06/26/2019] [Indexed: 12/27/2022] Open
Abstract
Secreted IgM (sIgM) is a multifunctional evolutionary conserved antibody that is critical for the maintenance of tissue homeostasis as well as the development of fully protective humoral responses to pathogens. Constitutive secretion of self- and polyreactive natural IgM, produced mainly by B-1 cells, provides a circulating antibody that engages with autoantigens as well as invading pathogens, removing apoptotic and other cell debris and initiating strong immune responses. Pathogen-induced IgM production by B-1 and conventional B-2 cells strengthens this early, passive layer of IgM-mediated immune defense and regulates subsequent IgG production. The varied effects of secreted IgM on immune homeostasis and immune defense are facilitated through its binding to numerous different cell types via different receptors. Recent studies identified a novel function for pentameric IgM, namely as a transporter for the effector protein ″apoptosis-inhibitor of macrophages″ (AIM/CD5L). This review aims to provide a summary of the known functions and effects of sIgM on immune homeostasis and immune defense, and its interaction with its various receptors, and to highlight the many critical immune regulatory functions of this ancient and fascinating immunoglobulin.
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Affiliation(s)
- Rebecca Blandino
- Biochemistry, Molecular, Cellular and Developmental Biology Graduate Group, University of California, Davis
- Center for Comparative Medicine and University of California, Davis
| | - Nicole Baumgarth
- Biochemistry, Molecular, Cellular and Developmental Biology Graduate Group, University of California, Davis
- Center for Comparative Medicine and University of California, Davis
- Dept. Pathology, Microbiology & Immunology, University of California, Davis
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44
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Weill JC, Reynaud CA. IgM memory B cells: specific effectors of innate-like and adaptive responses. Curr Opin Immunol 2019; 63:1-6. [PMID: 31639539 DOI: 10.1016/j.coi.2019.09.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Accepted: 09/16/2019] [Indexed: 12/27/2022]
Abstract
Antigen-experienced IgM+ B cells with mutated V genes have emerged as important effectors of both adaptive and innate-like immune responses. While their precise role in recall responses appear to differ according to the nature of the immunogen or the infectious agent, they are able to achieve rapid plasma cell differentiation, germinal center re-initiation, as well as IgM and IgG memory pool replenishment, which establishes them as multi-lineage precursors of the various functional memory subsets. For innate-like responses, recent data have shown that activation by gut commensals is able to generate, both in mice and humans, a systemic IgM+ population with specificity against glycan epitopes, which displays broad cross-reactivity towards multiple micro-organisms, and ensures a first line of defense against systemic infections.
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Affiliation(s)
- Jean-Claude Weill
- Institut Necker-Enfants Malades (INEM), INSERM U1151-CNRS UMR8253, Université de Paris, Faculté de Médecine, 156 rue de Vaugirard, 75730 Paris Cedex 15, France.
| | - Claude-Agnès Reynaud
- Institut Necker-Enfants Malades (INEM), INSERM U1151-CNRS UMR8253, Université de Paris, Faculté de Médecine, 156 rue de Vaugirard, 75730 Paris Cedex 15, France.
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45
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Sangesland M, Ronsard L, Kazer SW, Bals J, Boyoglu-Barnum S, Yousif AS, Barnes R, Feldman J, Quirindongo-Crespo M, McTamney PM, Rohrer D, Lonberg N, Chackerian B, Graham BS, Kanekiyo M, Shalek AK, Lingwood D. Germline-Encoded Affinity for Cognate Antigen Enables Vaccine Amplification of a Human Broadly Neutralizing Response against Influenza Virus. Immunity 2019; 51:735-749.e8. [PMID: 31563464 PMCID: PMC6801110 DOI: 10.1016/j.immuni.2019.09.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 05/27/2019] [Accepted: 08/30/2019] [Indexed: 12/27/2022]
Abstract
Antibody paratopes are formed by hypervariable complementarity-determining regions (CDRH3s) and variable gene-encoded CDRs. The latter show biased usage in human broadly neutralizing antibodies (bnAbs) against both HIV and influenza virus, suggesting the existence of gene-endowed targeting solutions that may be amenable to pathway amplification. To test this, we generated transgenic mice with human CDRH3 diversity but simultaneously constrained to individual user-defined human immunoglobulin variable heavy-chain (VH) genes, including IGHV1-69, which shows biased usage in human bnAbs targeting the hemagglutinin stalk of group 1 influenza A viruses. Sequential immunization with a stalk-only hemagglutinin nanoparticle elicited group 1 bnAbs, but only in IGHV1-69 mice. This VH-endowed response required minimal affinity maturation, was elicited alongside pre-existing influenza immunity, and when IGHV1-69 B cells were diluted to match the frequency measured in humans. These results indicate that the human repertoire could, in principle, support germline-encoded bnAb elicitation using a single recombinant hemagglutinin immunogen.
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Affiliation(s)
- Maya Sangesland
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Larance Ronsard
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Samuel W Kazer
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Institute for Medical Engineering and Science (IMES), Department of Chemistry, and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Broad Institute of Massachusetts Institute of Technology and Harvard University, 415 Main St, Cambridge, MA 02142, USA
| | - Julia Bals
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Seyhan Boyoglu-Barnum
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, 40 Convent Drive, Bethesda, MD 20892-3005, USA
| | - Ashraf S Yousif
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | - Ralston Barnes
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Jared Feldman
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA
| | | | | | - Daniel Rohrer
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Nils Lonberg
- Bristol-Myers Squibb, 700 Bay Road, Redwood City, CA 94063-2478, USA
| | - Bryce Chackerian
- Department of Molecular Genetics and Microbiology, University of New Mexico School of Medicine, 2425 Camino de Salud, Albuquerque, NM 87106, USA
| | - Barney S Graham
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, 40 Convent Drive, Bethesda, MD 20892-3005, USA
| | - Masaru Kanekiyo
- Vaccine Research Center, National Institute of Allergy and Infectious Diseases, NIH, 40 Convent Drive, Bethesda, MD 20892-3005, USA
| | - Alex K Shalek
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA; Institute for Medical Engineering and Science (IMES), Department of Chemistry, and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA; Broad Institute of Massachusetts Institute of Technology and Harvard University, 415 Main St, Cambridge, MA 02142, USA
| | - Daniel Lingwood
- The Ragon Institute of Massachusetts General Hospital, The Massachusetts Institute of Technology and Harvard University, 400 Technology Square, Cambridge, MA 02139, USA.
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Abstract
Neutralizing antibodies against human immunodeficiency virus subtype 1 (HIV-1) bind to its envelope glycoprotein (Env). Half of the molecular mass of Env is carbohydrate making it one of the most heavily glycosylated proteins known in nature. HIV-1 Env glycans are derived from the host and present a formidable challenge for host anti-glycan antibody induction. Anti-glycan antibody induction is challenging because anti-HIV-1 glycan antibodies should recognize Env antigen while not acquiring autoreactivity. Thus, the glycan network on HIV-1 Env is referred to as the glycan shield. Despite the challenges presented by immune recognition of host-derived glycans, neutralizing antibodies capable of binding the glycans on HIV-1 Env can be generated by the host immune system in the setting of HIV-1 infection. In particular, a cluster of high mannose glycans, including an N-linked glycan at position 332, form the high mannose patch and are targeted by a variety of broadly neutralizing antibodies. These high mannose patch-directed HIV-1 antibodies can be categorized into distinct categories based on their antibody paratope structure, neutralization activity, and glycan and peptide reactivity. Below we will compare and contrast each of these classes of HIV-1 glycan-dependent antibodies and describe vaccine design efforts to elicit each of these antibody types.
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47
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Palm AKE, Henry C. Remembrance of Things Past: Long-Term B Cell Memory After Infection and Vaccination. Front Immunol 2019; 10:1787. [PMID: 31417562 PMCID: PMC6685390 DOI: 10.3389/fimmu.2019.01787] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 07/16/2019] [Indexed: 02/03/2023] Open
Abstract
The success of vaccines is dependent on the generation and maintenance of immunological memory. The immune system can remember previously encountered pathogens, and memory B and T cells are critical in secondary responses to infection. Studies in mice have helped to understand how different memory B cell populations are generated following antigen exposure and how affinity for the antigen is determinant to B cell fate. Additionally, such studies were fundamental in defining memory B cell niches and how B cells respond following subsequent exposure with the same antigen. On the other hand, human studies are essential to the development of better, newer vaccines but sometimes limited by the difficulty to access primary and secondary lymphoid organs. However, work using human influenza and HIV virus infection and/or immunization in particular has significantly advanced today's understanding of memory B cells. This review will focus on the generation, function, and longevity of B-cell mediated immunological memory (memory B cells and plasma cells) in response to infection and vaccination both in mice and in humans.
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Affiliation(s)
- Anna-Karin E Palm
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL, United States
| | - Carole Henry
- Section of Rheumatology, Department of Medicine, University of Chicago, Chicago, IL, United States
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48
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Boonyaratanakornkit J, Taylor JJ. Techniques to Study Antigen-Specific B Cell Responses. Front Immunol 2019; 10:1694. [PMID: 31396218 PMCID: PMC6667631 DOI: 10.3389/fimmu.2019.01694] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 07/08/2019] [Indexed: 12/13/2022] Open
Abstract
Antibodies against foreign antigens are a critical component of the overall immune response and can facilitate pathogen clearance during a primary infection and also protect against subsequent infections. Dysregulation of the antibody response can lead to an autoimmune disease, malignancy, or enhanced infection. Since the experimental delineation of a distinct B cell lineage in 1965, various methods have been developed to understand antigen-specific B cell responses in the context of autoimmune diseases, primary immunodeficiencies, infection, and vaccination. In this review, we summarize the established techniques and discuss new and emerging technologies for probing the B cell response in vitro and in vivo by taking advantage of the specificity of B cell receptor (BCR)-associated and secreted antibodies. These include ELISPOT, flow cytometry, mass cytometry, and fluorescence microscopy to identify and/or isolate primary antigen-specific B cells. We also present our approach to identify rare antigen-specific B cells using magnetic enrichment followed by flow cytometry. Once these cells are isolated, in vitro proliferation assays and adoptive transfer experiments in mice can be used to further characterize antigen-specific B cell activation, function, and fate. Transgenic mouse models of B cells targeting model antigens and of B cell signaling have also significantly advanced our understanding of antigen-specific B cell responses in vivo.
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Affiliation(s)
- Jim Boonyaratanakornkit
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Justin J Taylor
- Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
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49
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Saunders SP, Ma EGM, Aranda CJ, Curotto de Lafaille MA. Non-classical B Cell Memory of Allergic IgE Responses. Front Immunol 2019; 10:715. [PMID: 31105687 PMCID: PMC6498404 DOI: 10.3389/fimmu.2019.00715] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 03/18/2019] [Indexed: 02/03/2023] Open
Abstract
The long-term effectiveness of antibody responses relies on the development of humoral immune memory. Humoral immunity is maintained by long-lived plasma cells that secrete antigen-specific antibodies, and memory B cells that rapidly respond to antigen re-exposure by generating new plasma cells and memory B cells. Developing effective immunological memory is essential for protection against pathogens, and is the basis of successful vaccinations. IgE responses have evolved for protection against helminth parasites infections and against toxins, but IgE is also a potent mediator of allergic diseases. There has been a dramatic increase in the incidence of allergic diseases in recent decades and this has provided the impetus to study the nature of IgE antibody responses. As will be discussed in depth in this review, the IgE memory response has unique features that distinguish it from classical B cell memory.
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Affiliation(s)
- Sean P Saunders
- Division of Pulmonary, Critical Care and Sleep Medicine, Laboratory of Allergy and Inflammation, Department of Medicine, New York University, New York, NY, United States
| | - Erica G M Ma
- Division of Pulmonary, Critical Care and Sleep Medicine, Laboratory of Allergy and Inflammation, Department of Medicine, New York University, New York, NY, United States.,Sackler Institute of Graduate Biomedical Sciences, New York University, New York, NY, United States
| | - Carlos J Aranda
- Division of Pulmonary, Critical Care and Sleep Medicine, Laboratory of Allergy and Inflammation, Department of Medicine, New York University, New York, NY, United States
| | - Maria A Curotto de Lafaille
- Division of Pulmonary, Critical Care and Sleep Medicine, Laboratory of Allergy and Inflammation, Department of Medicine, New York University, New York, NY, United States.,Department of Cell Biology, New York University School of Medicine, New York, NY, United States
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50
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Tomayko MM, Allman D. What B cell memories are made of. Curr Opin Immunol 2019; 57:58-64. [PMID: 30861463 DOI: 10.1016/j.coi.2019.01.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 01/16/2019] [Indexed: 12/21/2022]
Abstract
In many ways, memory B cells represent the ultimate outcome of humoral immunity. Many of these cells express exceptionally high affinity antigen-specific B cell receptors for antigen, and these cells are a critical source of the long-lived plasma cells that secrete protective serum antibodies to protect against secondary exposure to pathogens and other life-threatening antigens. Evidence is now emerging that not all memory B cells are created via the same cellular pathways and molecular events. Similarly, it is becoming clear that different memory B cells can take on different functions, with some producing IgM rather than IgG antibodies upon reactivation, and others preferentially producing plasma cells rather than additional waves of memory B cells. With this review, we discuss the conceptual ides and early studies surrounding early work on B cell memory, then discuss the many pathways and functional attributes of subpopulations of memory B cells and current approaches to characterize these cells directly.
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Affiliation(s)
- Mary M Tomayko
- The Department of Dermatology, Yale University, New Haven, CT 06511, United States
| | - David Allman
- The Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, United States.
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