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Fekrvand S, Abolhassani H, Rezaei N. An overview of early genetic predictors of IgA deficiency. Expert Rev Mol Diagn 2024; 24:715-727. [PMID: 39087770 DOI: 10.1080/14737159.2024.2385521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
INTRODUCTION Inborn errors of immunity (IEIs) refer to a heterogeneous category of diseases with defects in the number and/or function of components of the immune system. Immunoglobulin A (IgA) deficiency is the most prevalent IEI characterized by low serum level of IgA and normal serum levels of IgG and/or IgM. Most of the individuals with IgA deficiency are asymptomatic and are only identified through routine laboratory tests. Others may experience a wide range of clinical features including mucosal infections, allergies, and malignancies as the most important features. IgA deficiency is a multi-complex disease, and the exact pathogenesis of it is still unknown. AREAS COVERED This review compiles recent research on genetic and epigenetic factors that may contribute to the development of IgA deficiency. These factors include defects in B-cell development, IgA class switch recombination, synthesis, secretion, and the long-term survival of IgA switched memory B cells and plasma cells. EXPERT OPINION A better and more comprehensive understanding of the cellular pathways involved in IgA deficiency could lead to personalized surveillance and potentially curative strategies for affected patients, especially those with severe symptoms.
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Affiliation(s)
- Saba Fekrvand
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Division of Clinical Immunology, Department of Biosciences and Nutrition, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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DiToro D, Murakami N, Pillai S. T-B Collaboration in Autoimmunity, Infection, and Transplantation. Transplantation 2024; 108:386-398. [PMID: 37314442 PMCID: PMC11345790 DOI: 10.1097/tp.0000000000004671] [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] [Indexed: 06/15/2023]
Abstract
We have attempted here to provide an up-to-date review of the collaboration between helper T cells and B cells in response to protein and glycoprotein antigens. This collaboration is essential as it not only protects from many pathogens but also contributes to a litany of autoimmune and immune-mediated diseases.
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Affiliation(s)
- Daniel DiToro
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard, Cambridge, MA
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | - Naoka Murakami
- Department of Medicine, Brigham and Women’s Hospital, Boston, MA
| | - Shiv Pillai
- Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology and Harvard, Cambridge, MA
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3
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Staniek J, Kalina T, Andrieux G, Boerries M, Janowska I, Fuentes M, Díez P, Bakardjieva M, Stancikova J, Raabe J, Neumann J, Schwenk S, Arpesella L, Stuchly J, Benes V, García Valiente R, Fernández García J, Carsetti R, Piano Mortari E, Catala A, de la Calle O, Sogkas G, Neven B, Rieux-Laucat F, Magerus A, Neth O, Olbrich P, Voll RE, Alsina L, Allende LM, Gonzalez-Granado LI, Böhler C, Thiel J, Venhoff N, Lorenzetti R, Warnatz K, Unger S, Seidl M, Mielenz D, Schneider P, Ehl S, Rensing-Ehl A, Smulski CR, Rizzi M. Non-apoptotic FAS signaling controls mTOR activation and extrafollicular maturation in human B cells. Sci Immunol 2024; 9:eadj5948. [PMID: 38215192 DOI: 10.1126/sciimmunol.adj5948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 12/08/2023] [Indexed: 01/14/2024]
Abstract
Defective FAS (CD95/Apo-1/TNFRSF6) signaling causes autoimmune lymphoproliferative syndrome (ALPS). Hypergammaglobulinemia is a common feature in ALPS with FAS mutations (ALPS-FAS), but paradoxically, fewer conventional memory cells differentiate from FAS-expressing germinal center (GC) B cells. Resistance to FAS-induced apoptosis does not explain this phenotype. We tested the hypothesis that defective non-apoptotic FAS signaling may contribute to impaired B cell differentiation in ALPS. We analyzed secondary lymphoid organs of patients with ALPS-FAS and found low numbers of memory B cells, fewer GC B cells, and an expanded extrafollicular (EF) B cell response. Enhanced mTOR activity has been shown to favor EF versus GC fate decision, and we found enhanced PI3K/mTOR and BCR signaling in ALPS-FAS splenic B cells. Modeling initial T-dependent B cell activation with CD40L in vitro, we showed that FAS competent cells with transient FAS ligation showed specifically decreased mTOR axis activation without apoptosis. Mechanistically, transient FAS engagement with involvement of caspase-8 induced nuclear exclusion of PTEN, leading to mTOR inhibition. In addition, FASL-dependent PTEN nuclear exclusion and mTOR modulation were defective in patients with ALPS-FAS. In the early phase of activation, FAS stimulation promoted expression of genes related to GC initiation at the expense of processes related to the EF response. Hence, our data suggest that non-apoptotic FAS signaling acts as molecular switch between EF versus GC fate decisions via regulation of the mTOR axis and transcription. The defect of this modulatory circuit may explain the observed hypergammaglobulinemia and low memory B cell numbers in ALPS.
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Affiliation(s)
- Julian Staniek
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Tomas Kalina
- Department of Paediatric Haematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Geoffroy Andrieux
- Institute of Medical Bioinformatics and Systems Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), partner site Freiburg, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Melanie Boerries
- Institute of Medical Bioinformatics and Systems Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- German Cancer Consortium (DKTK), partner site Freiburg, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Iga Janowska
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Manuel Fuentes
- Department of Medicine and General Cytometry Service-Nucleus, Proteomics Unit, CIBERONC CB16/12/00400, Cancer Research Center (IBMCC/CSIC/USAL/IBSAL), Universidad de Salamanca, Salamanca, Spain
| | - Paula Díez
- Department of Medicine and General Cytometry Service-Nucleus, Proteomics Unit, CIBERONC CB16/12/00400, Cancer Research Center (IBMCC/CSIC/USAL/IBSAL), Universidad de Salamanca, Salamanca, Spain
- Department of Immunology, Leiden University Medical Center, Leiden, Netherlands
| | - Marina Bakardjieva
- Department of Paediatric Haematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jitka Stancikova
- Department of Paediatric Haematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jan Raabe
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Julika Neumann
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sabine Schwenk
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Leonardo Arpesella
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jan Stuchly
- Department of Paediatric Haematology and Oncology, Second Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Vladimir Benes
- Genomics Core Facility, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Rodrigo García Valiente
- Department of Medicine and General Cytometry Service-Nucleus, Proteomics Unit, CIBERONC CB16/12/00400, Cancer Research Center (IBMCC/CSIC/USAL/IBSAL), Universidad de Salamanca, Salamanca, Spain
| | - Jonatan Fernández García
- Department of Medicine and General Cytometry Service-Nucleus, Proteomics Unit, CIBERONC CB16/12/00400, Cancer Research Center (IBMCC/CSIC/USAL/IBSAL), Universidad de Salamanca, Salamanca, Spain
| | - Rita Carsetti
- B Cell Unit, Immunology Research Area, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Eva Piano Mortari
- B Cell Unit, Immunology Research Area, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Albert Catala
- Department of Hematology, Institut de Recerca Hospital Sant Joan de Déu Barcelona, Barcelona, Spain
| | - Oscar de la Calle
- Immunology Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Georgios Sogkas
- Department of Rheumatology and Immunology, Hannover Medical School, Hannover, Germany
| | - Bénédicte Neven
- Pediatric Hematology-Immunology and Rheumatology Department, University Hospital Necker-Enfants Malades, Paris, France
| | - Frédéric Rieux-Laucat
- Université de Paris, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Aude Magerus
- Université de Paris, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Olaf Neth
- Department of Paediatric Infectious Diseases, Rheumatology and Immunology, Hospital Universitario Virgen del Rocio (HUVR), Instituto de Biomedicina de Sevilla (IBIS), Universidad de Sevilla/CSIC, Red de Investigación Traslacional en Infectología Pediátrica RITIP, Sevilla, Spain
| | - Peter Olbrich
- Department of Paediatric Infectious Diseases, Rheumatology and Immunology, Hospital Universitario Virgen del Rocio (HUVR), Instituto de Biomedicina de Sevilla (IBIS), Universidad de Sevilla/CSIC, Red de Investigación Traslacional en Infectología Pediátrica RITIP, Sevilla, Spain
| | - Reinhard E Voll
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Laia Alsina
- Department of Hematology, Institut de Recerca Hospital Sant Joan de Déu Barcelona, Barcelona, Spain
- Clinical Immunology and Primary Immunodeficiencies Unit, Department of Pediatric Allergy and Clinical Immunology, Hospital Sant Joan de Déu Barcelona, Barcelona, Spain
| | - Luis M Allende
- Department of Immunology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Luis I Gonzalez-Granado
- Primary Immunodeficiencies Unit, Department of Pediatrics, Research Institute Hospital 12 Octubre (i+12), Madrid, Spain
- School of Medicine, Complutense University, Madrid, Spain
| | - Chiara Böhler
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jens Thiel
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Division of Rheumatology and Clinical Immunology, Medical University Graz, Graz, Austria
| | - Nils Venhoff
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Raquel Lorenzetti
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Division of Rheumatology and Clinical Immunology, Medical University Graz, Graz, Austria
| | - Klaus Warnatz
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Department of Immunology, University Hospital Zurich, Zurich, Switzerland
| | - Susanne Unger
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maximilian Seidl
- Department of Pathology, University Medical Center Freiburg, Freiburg, Germany
- Institute of Pathology, Heinrich-Heine University and University Hospital of Düsseldorf, Düsseldorf, Germany
| | - Dirk Mielenz
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus Fiebiger Zentrum, Friedrich Alexander University Erlangen-Nürnberg, Erlangen, Germany
| | - Pascal Schneider
- Department of Immunobiology, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Stephan Ehl
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for Pediatrics and Adolescent Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- CIBSS-Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
| | - Anne Rensing-Ehl
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Cristian Roberto Smulski
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Medical Physics Department, Centro Atómico Bariloche, Comisión Nacional de Energía Atómica (CNEA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Carlos de Bariloche, Argentina
| | - Marta Rizzi
- Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Center for Chronic Immunodeficiency, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
- CIBSS-Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
- Division of Clinical and Experimental Immunology, Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
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Krenács L, Krenács D, Borbényi Z, Tóth E, Nagy A, Piukovics K, Bagdi E. Comparison of Follicular Helper T-Cell Markers with the Expression of the Follicular Homing Marker CXCR5 in Peripheral T-Cell Lymphomas-A Reappraisal of Follicular Helper T-Cell Lymphomas. Int J Mol Sci 2023; 25:428. [PMID: 38203606 PMCID: PMC10778845 DOI: 10.3390/ijms25010428] [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: 11/30/2023] [Revised: 12/20/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
Peripheral T-cell lymphomas (PTCLs) expressing multiple follicular T helper (TFH) cell-related antigens are now classified as TFH lymphomas (TFHL), including angioimmunoblastic, follicular, and not otherwise specified (NOS) types. CXCR5 is the TFH cell-defining chemokine receptor that, together with its ligand CXCL13, plays a critical role in the development of follicles and the positioning of TFH and B cells within follicles. A comprehensive immunomorphologic study was performed to investigate the expression pattern of CXCR5 in a large cohort of nodal PTCLs, particularly those with a TFH cell phenotype, and to compare its expression with six other TFH cell-related antigens. We found that CXCR5 is widely expressed in neoplastic TFH cells, except in TFHL-NOS, and represents a specific marker of this lymphoma entity. Our results suggest that CXCR5 directs the distribution of neoplastic T cells in the affected lymph nodes and may influence the formation of the pathognomic pathological FDC network.
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Affiliation(s)
- László Krenács
- Laboratory of Tumor Pathology and Molecular Diagnostics, 6726 Szeged, Hungary (E.B.)
| | - Dóra Krenács
- Laboratory of Tumor Pathology and Molecular Diagnostics, 6726 Szeged, Hungary (E.B.)
- Division of Haematology, Department of Internal Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, 6721 Szeged, Hungary
| | - Zita Borbényi
- Division of Haematology, Department of Internal Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, 6721 Szeged, Hungary
| | - Erika Tóth
- Department of Pathology, National Institute of Oncology, 1122 Budapest, Hungary;
| | - Anna Nagy
- 1st Department of Pathology and Experimental Cancer Research, Faculty of Medicine, Semmelweis University, 1085 Budapest, Hungary
| | - Klára Piukovics
- Division of Haematology, Department of Internal Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, 6721 Szeged, Hungary
| | - Enikő Bagdi
- Laboratory of Tumor Pathology and Molecular Diagnostics, 6726 Szeged, Hungary (E.B.)
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Zhang P, Su Y, Li S, Chen H, Wu R, Wu H. The roles of T cells in psoriasis. Front Immunol 2023; 14:1081256. [PMID: 37942312 PMCID: PMC10628572 DOI: 10.3389/fimmu.2023.1081256] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 09/29/2023] [Indexed: 11/10/2023] Open
Abstract
Psoriasis is a recurring inflammatory skin condition characterized by scaly, red patches on the skin. It affects approximately 3% of the US population and is associated with histological changes such as epidermal hyperplasia, increased blood vessel proliferation, and infiltration of leukocytes into the skin's dermis. T cells, which are classified into various subtypes, have been found to play significant roles in immune-mediated diseases, particularly psoriasis. This paper provides a review of the different T lymphocyte subtypes and their functions in psoriasis, as well as an overview of targeted therapies for treating psoriasis.
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Affiliation(s)
| | | | | | | | - Ruifang Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Haijing Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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Chen Q, Dent AL. Nonbinary Roles for T Follicular Helper Cells and T Follicular Regulatory Cells in the Germinal Center Response. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:15-22. [PMID: 37339403 DOI: 10.4049/jimmunol.2200953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/28/2023] [Indexed: 06/22/2023]
Abstract
Development of high-affinity Abs in the germinal center (GC) is dependent on a specialized subset of T cells called "T follicular helper" (TFH) cells that help select Ag-specific B cells. A second T cell subset, T follicular regulatory (TFR) cells, can act as repressors of the GC and Ab response but can also provide a helper function for GC B cells in some contexts. Recent studies showed that, apart from their traditional helper role, TFH cells can also act as repressors of the Ab response, particularly for IgE responses. We review how both TFH and TFR cells express helper and repressor factors that coordinately regulate the Ab response and how the line between these two subsets is less clear than initially thought. Thus, TFH and TFR cells are interconnected and have "nonbinary" functions. However, many questions remain about how these critical cells control the Ab response.
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Affiliation(s)
- Qiang Chen
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN
| | - Alexander L Dent
- Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN
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7
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Siena E, Schiavetti F, Borgogni E, Taccone M, Faenzi E, Brazzoli M, Aprea S, Bardelli M, Volpini G, Buricchi F, Sammicheli C, Tavarini S, Bechtold V, Blohmke CJ, Cardamone D, De Intinis C, Gonzalez-Lopez A, O'Hagan DT, Nuti S, Seidl C, Didierlaurent AM, Bertholet S, D'Oro U, Medini D, Finco O. Systems analysis of human responses to an aluminium hydroxide-adsorbed TLR7 agonist (AS37) adjuvanted vaccine reveals a dose-dependent and specific activation of the interferon-mediated antiviral response. Vaccine 2023; 41:724-734. [PMID: 36564274 DOI: 10.1016/j.vaccine.2022.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 11/29/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022]
Abstract
The candidate Adjuvant System AS37 contains a synthetic toll-like receptor agonist (TLR7a) adsorbed to alum. In a phase I study (NCT02639351), healthy adults were randomised to receive one dose of licensed alum-adjuvanted meningococcal serogroup C (MenC-CRM197) conjugate vaccine (control) or MenC-CRM197 conjugate vaccine adjuvanted with AS37 (TLR7a dose 12.5, 25, 50 or 100 µg). A subset of 66 participants consented to characterisation of peripheral whole blood transcriptomic responses, systemic cytokine/chemokine responses and multiple myeloid and lymphoid cell responses as exploratory study endpoints. Blood samples were collected pre-vaccination, 6 and 24 h post-vaccination, and 3, 7, 28 and 180 days post-vaccination. The gene expression profile in whole blood showed an early, AS37-specific transcriptome response that peaked at 24 h, increased with TLR7a dose up to 50 µg and generally resolved within one week. Five clusters of differentially expressed genes were identified, including those involved in the interferon-mediated antiviral response. Evaluation of 30 cytokines/chemokines by multiplex assay showed an increased level of interferon-induced chemokine CXCL10 (IP-10) at 24 h and 3 days post-vaccination in the AS37-adjuvanted vaccine groups. Increases in activated plasmacytoid dendritic cells (pDC) and intermediate monocytes were detected 3 days post-vaccination in the AS37-adjuvanted vaccine groups. T follicular helper (Tfh) cells increased 7 days post-vaccination and were maintained at 28 days post-vaccination, particularly in the AS37-adjuvanted vaccine groups. Moreover, most of the subjects that received vaccine containing 25, 50 and 100 µg TLR7a showed an increased MenC-specific memory B cell responses versus baseline. These data show that the adsorption of TLR7a to alum promotes an immune signature consistent with TLR7 engagement, with up-regulation of interferon-inducible genes, cytokines and frequency of activated pDC, intermediate monocytes, MenC-specific memory B cells and Tfh cells. TLR7a 25-50 µg can be considered the optimal dose for AS37, particularly for the adjuvanted MenC-CRM197 conjugate vaccine.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Carlo De Intinis
- GSK, Via Fiorentina 1, 53100 Siena, Italy; University of Turin, Via Verdi 8, 10124 Torino, Italy.
| | | | | | - Sandra Nuti
- GSK, 14200 Shady Grove Rd, Rockville MD, USA.
| | | | | | | | - Ugo D'Oro
- GSK, Via Fiorentina 1, 53100 Siena, Italy.
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8
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Xie Y, Tian X, Zhang X, Yao H, Wu N. Immune interference in effectiveness of influenza and COVID-19 vaccination. Front Immunol 2023; 14:1167214. [PMID: 37153582 PMCID: PMC10154574 DOI: 10.3389/fimmu.2023.1167214] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/06/2023] [Indexed: 05/09/2023] Open
Abstract
Vaccines are known to function as the most effective interventional therapeutics for controlling infectious diseases, including polio, smallpox, rabies, tuberculosis, influenza and SARS-CoV-2. Smallpox has been eliminated completely and polio is almost extinct because of vaccines. Rabies vaccines and Bacille Calmette-Guérin (BCG) vaccines could effectively protect humans against respective infections. However, both influenza vaccines and COVID-19 vaccines are unable to eliminate these two infectious diseases of their highly variable antigenic sites in viral proteins. Vaccine effectiveness (VE) could be negatively influenced (i.e., interfered with) by immune imprinting of previous infections or vaccinations, and repeated vaccinations could interfere with VE against infections due to mismatch between vaccine strains and endemic viral strains. Moreover, VE could also be interfered with when more than one kind of vaccine is administrated concomitantly (i.e., co-administrated), suggesting that the VE could be modulated by the vaccine-induced immunity. In this review, we revisit the evidence that support the interfered VE result from immune imprinting or repeated vaccinations in influenza and COVID-19 vaccine, and the interference in co-administration of these two types of vaccines is also discussed. Regarding the development of next-generation COVID-19 vaccines, the researchers should focus on the induction of cross-reactive T-cell responses and naive B-cell responses to overcome negative effects from the immune system itself. The strategy of co-administrating influenza and COVID-19 vaccine needs to be considered more carefully and more clinical data is needed to verify this strategy to be safe and immunogenic.
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Affiliation(s)
- Yiwen Xie
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Xuebin Tian
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Xiaodi Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Hangping Yao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Nanping Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
- *Correspondence: Nanping Wu,
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9
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Lai L, Rouphael N, Xu Y, Kabbani S, Beck A, Sherman A, Anderson EJ, Bellamy A, Weiss J, Cross K, Mulligan MJ. An Oil-in-Water adjuvant significantly increased influenza A/H7N9 split virus Vaccine-Induced circulating follicular helper T (cT FH) cells and antibody responses. Vaccine 2022; 40:7065-7072. [PMID: 36273986 DOI: 10.1016/j.vaccine.2022.09.041] [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: 07/28/2021] [Revised: 04/09/2022] [Accepted: 09/12/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND Unadjuvanted A/H7N9 vaccines are poorly immunogenic. The immune response is improved with the addition of MF59, an oil-in-water adjuvant. However, the cellular immunologic responses of MF59-adjuvanted A/H7N9 vaccine are not fully understood. METHODS 37 participants were vaccinated with 2 doses of 2013 influenza A/H7N9 vaccine (at Days 1 and 21) with or without MF59 and enrolled in an immunology substudy. Responses were assessed at multiple timepoints (Days 0, 8, 21, 29, and 42) for hemagglutination inhibition (HAI) and neutralizing antibody (Neut) assays, memory B cell responses by enzyme-linked ImmunoSpot; circulating follicular helper T cells (cTFH) and CD4 + T cells by intracellular cytokine staining. RESULTS MF59-adjuvanted influenza A/H7N9 vaccine induced significantly higher hemagglutination inhibition (HAI) and neutralizing antibody (Neut) responses when compared to unadjuvanted vaccine. The adjuvanted vaccine elicited significantly higher levels of Inducible T-cell Co-Stimulator (ICOS) expression by CXCR3+CXCR5+CD4+ cTFH cells, compared to unadjuvanted vaccine. The magnitude of increase in cTFH cells (from baseline to Day 8) and in IL-21 expressing CD154+CD4+ T cells (from baseline to Days 8 and 21) correlated with HAI (at Day 29) and Neut antibody (at Days 8 and 29) titers. The increase in frequency of IL-21 expressing CD154+CD4+T cells (from baseline to Day 21) correlated with memory B cell frequency (at Day 42). CONCLUSION cTFH activation is associated with HAI and Neut responses in recipients of MF59-adjuvanted influenza A/H7N9 vaccine relative to unadjuvanted vaccine. Future studies should focus on optimizing the cTFH response and use cTFH as an early biomarker of serological response to vaccination. This trial was registered at clinicaltrials.gov, trial number NCT01938742.
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Affiliation(s)
- Lilin Lai
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
| | - Nadine Rouphael
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030.
| | - Yongxian Xu
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
| | - Sarah Kabbani
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
| | - Allison Beck
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
| | - Amy Sherman
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
| | - Evan J Anderson
- Departments of Pediatrics and Medicine, Emory University School of Medicine and Children's Healthcare of Atlanta, 2015 Uppergate
| | - Abbie Bellamy
- EMMES Corporation, 401, North Washington Street, Suite 700, Rockville, MD 20850, USA
| | - Julia Weiss
- EMMES Corporation, 401, North Washington Street, Suite 700, Rockville, MD 20850, USA
| | - Kaitlyn Cross
- EMMES Corporation, 401, North Washington Street, Suite 700, Rockville, MD 20850, USA
| | - Mark J Mulligan
- Hope Clinic of the Emory Vaccine Center, Division of Infectious Diseases, Department of Medicine, Emory University, 500, Irvin Court, Decatur GA 30030
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10
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Murayama K, Ikegami I, Kamekura R, Sakamoto H, Yanagi M, Kamiya S, Sato T, Sato A, Shigehara K, Yamamoto M, Takahashi H, Takano KI, Ichimiya S. CD4+CD8+ T follicular helper cells regulate humoral immunity in chronic inflammatory lesions. Front Immunol 2022; 13:941385. [PMID: 36091071 PMCID: PMC9452889 DOI: 10.3389/fimmu.2022.941385] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/26/2022] [Indexed: 11/29/2022] Open
Abstract
T follicular helper (Tfh) cells drive humoral immunity by facilitating B cell responses at the initial and recall phases. Recent studies have indicated the possible involvement of Tfh cells in the process of chronic inflammation. However, the functional role of Tfh cells in persistent immune settings remains unclear. Here, we report that CD4+CD8+ (double-positive, DP; CD3+CD4+CD8+CXCR5hiPD-1hi) Tfh cells, a subset of germinal-center-type Tfh cells, were abundantly present in the fibroinflammatory lesions of patients with immunoglobulin G4-related disease (IgG4-RD). Transcriptome analyses showed that these DP-Tfh cells in the lesions of IgG4-RD preferentially expressed signature genes characteristic of cytotoxic CD8+ T cells, such as Eomes, CRTAM, GPR56, and granzymes, in addition to CD70. Scatter diagram analyses to examine the relationships between tissue-resident lymphocytes and various clinical parameters revealed that the levels of DP-Tfh cells were inversely correlated to the levels of serum IgG4 and local IgG4-expressing (IgG4+) memory B cells (CD19+CD27+IgD-) in patients with IgG4-RD. Cell culture experiments using autologous tonsillar lymphocytes further suggested that DP-Tfh cells possess a poor B-cell helper function and instead regulate memory B cells. Since CD4+ (single positive, SP; CD3+CD4+CD8-CXCR5hiPD-1hi) Tfh cells differentiated into DP-Tfh cells under stimulation with IL-2 and IL-7 as assessed by in vitro experiments, these data imply that SP-Tfh cells are a possible origin of DP-Tfh cells under persistent inflammation. These findings highlight the potential feedback loop mechanism of Tfh cells in immune tolerance under chronic inflammatory conditions. Further studies on DP-Tfh cells may facilitate control of unresolved humoral responses in IgG4-RD pathological inflammation.
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Affiliation(s)
- Kosuke Murayama
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Otolaryngology and Head and Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ippei Ikegami
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ryuta Kamekura
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Otolaryngology and Head and Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Hiroshi Sakamoto
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- Department of Otolaryngology and Head and Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Masahiro Yanagi
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shiori Kamiya
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Taiki Sato
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Akinori Sato
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Katsunori Shigehara
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Motohisa Yamamoto
- Department of Rheumatology and Allergy, IMSUT Hospital, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Hiroki Takahashi
- Department of Clinical Immunology and Rheumatology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Ken-ichi Takano
- Department of Otolaryngology and Head and Neck Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shingo Ichimiya
- Department of Human Immunology, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
- *Correspondence: Shingo Ichimiya,
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11
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Yu D, Walker LSK, Liu Z, Linterman MA, Li Z. Targeting T FH cells in human diseases and vaccination: rationale and practice. Nat Immunol 2022; 23:1157-1168. [PMID: 35817844 DOI: 10.1038/s41590-022-01253-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 05/24/2022] [Indexed: 12/13/2022]
Abstract
The identification of CD4+ T cells localizing to B cell follicles has revolutionized the knowledge of how humoral immunity is generated. Follicular helper T (TFH) cells support germinal center (GC) formation and regulate clonal selection and differentiation of memory and antibody-secreting B cells, thus controlling antibody affinity maturation and memory. TFH cells are essential in sustaining protective antibody responses necessary for pathogen clearance in infection and vaccine-mediated protection. Conversely, aberrant and excessive TFH cell responses mediate and sustain pathogenic antibodies to autoantigens, alloantigens, and allergens, facilitate lymphomagenesis, and even harbor viral reservoirs. TFH cell generation and function are determined by T cell antigen receptor (TCR), costimulation, and cytokine signals, together with specific metabolic and survival mechanisms. Such regulation is crucial to understanding disease pathogenesis and informing the development of emerging therapies for disease or novel approaches to boost vaccine efficacy.
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Affiliation(s)
- Di Yu
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Brisbane, Australia. .,Ian Frazer Centre for Children's Immunotherapy Research, Child Health Research Centre, Faculty of Medicine, The University of Queensland, Brisbane, Australia.
| | - Lucy S K Walker
- Institute of Immunity & Transplantation, Division of Infection & Immunity, University College London, Royal Free Campus, London, UK
| | - Zheng Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | | | - Zhanguo Li
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
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12
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Akama-Garren EH, Carroll MC. T Cell Help in the Autoreactive Germinal Center. Scand J Immunol 2022; 95:e13192. [PMID: 35587582 DOI: 10.1111/sji.13192] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 11/29/2022]
Abstract
The germinal center serves as a site of B cell selection and affinity maturation, critical processes for productive adaptive immunity. In autoimmune disease tolerance is broken in the germinal center reaction, leading to production of autoreactive B cells that may propagate disease. Follicular T cells are crucial regulators of this process, providing signals necessary for B cell survival in the germinal center. Here we review the emerging roles of follicular T cells in the autoreactive germinal center. Recent advances in immunological techniques have allowed study of the gene expression profiles and repertoire of follicular T cells at unprecedented resolution. These studies provide insight into the potential role follicular T cells play in preventing or facilitating germinal center loss of tolerance. Improved understanding of the mechanisms of T cell help in autoreactive germinal centers provides novel therapeutic targets for diseases of germinal center dysfunction.
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Affiliation(s)
- Elliot H Akama-Garren
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA.,Harvard-MIT Health Sciences and Technology, Harvard Medical School, Boston, MA, USA
| | - Michael C Carroll
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
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13
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Yasutomi M, Christiaansen AF, Imai N, Martin-Orozco N, Forst CV, Chen G, Ueno H. CD226 and TIGIT Cooperate in the Differentiation and Maturation of Human Tfh Cells. Front Immunol 2022; 13:840457. [PMID: 35273617 PMCID: PMC8902812 DOI: 10.3389/fimmu.2022.840457] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/28/2022] [Indexed: 11/29/2022] Open
Abstract
Costimulation pathways play an essential role in T cell activation, differentiation, and regulation. CD155 expressed on antigen-presenting cells (APCs) interacts with TIGIT, an inhibitory costimulatory molecule, and CD226, an activating costimulatory molecule, on T cells. TIGIT and CD226 are expressed at varying levels depending on the T cell subset and activation state. T follicular helper cells in germinal centers (GC-Tfh) in human tonsils express high TIGIT and low CD226. However, the biological role of the CD155/TIGIT/CD226 axis in human Tfh cell biology has not been elucidated. To address this, we analyzed tonsillar CD4+ T cell subsets cultured with artificial APCs constitutively expressing CD155. Here we show that CD226 signals promote the early phase of Tfh cell differentiation in humans. CD155 signals promoted the proliferation of naïve CD4+ T cells and Tfh precursors (pre-Tfh) isolated from human tonsils and upregulated multiple Tfh molecules and decreased IL-2, a cytokine detrimental for Tfh cell differentiation. Blocking CD226 potently inhibited their proliferation and expression of Tfh markers. By contrast, while CD155 signals promoted the proliferation of tonsillar GC-Tfh cells, their proliferation required only weak CD226 signals. Furthermore, attenuating CD226 signals rather increased the expression of CXCR5, ICOS, and IL-21 by CD155-stimulated GC-Tfh cells. Thus, the importance of CD226 signals changes according to the differentiation stage of human Tfh cells and wanes in mature GC-Tfh cells. High TIGIT expression on GC-Tfh may play a role in attenuating the detrimental CD226 signals post GC-Tfh cell maturation.
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Affiliation(s)
- Motoko Yasutomi
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Allison F Christiaansen
- EMD Serono Research and Development Institute Inc. (The Healthcare Business of Merck KGaA, Darmstadt, Germany), Billerica, MA, United States
| | - Naoko Imai
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Natalia Martin-Orozco
- EMD Serono Research and Development Institute Inc. (The Healthcare Business of Merck KGaA, Darmstadt, Germany), Billerica, MA, United States
| | - Christian V Forst
- Department of Genetics and Genomic Sciences, Department of Microbiology, The Icahn Institute for Data Science and Genomic Technology, New York, NY, United States
| | - Gang Chen
- EMD Serono Research and Development Institute Inc. (The Healthcare Business of Merck KGaA, Darmstadt, Germany), Billerica, MA, United States
| | - Hideki Ueno
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States.,Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.,ASHBi Institute for the Advanced Study of Human Biology, Kyoto University, Kyoto, Japan
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14
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Abstract
Follicular helper T (TFH) cells provide help to B cells, supporting the formation of germinal centres that allow affinity maturation of antibody responses. Although usually located in secondary lymphoid organs, T cells bearing features of TFH cells can also be identified in human blood, and their frequency and phenotype are often altered in people with autoimmune diseases. In this Perspective article, I discuss the increase in circulating TFH cells seen in autoimmune settings and explore potential explanations for this phenomenon. I consider the multistep regulation of TFH cell differentiation by the CTLA4 and IL-2 pathways as well as by regulatory T cells and highlight that these same pathways are crucial for regulating autoimmune diseases. The propensity of infection to serve as a cue for TFH cell differentiation and a potential trigger for autoimmune disease development is also discussed. Overall, I postulate that alterations in pathways that regulate autoimmunity are coupled to alterations in TFH cell homeostasis, suggesting that this population may serve as a core sentinel of dysregulated immunity.
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15
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Elias G, Meysman P, Bartholomeus E, De Neuter N, Keersmaekers N, Suls A, Jansens H, Souquette A, De Reu H, Emonds MP, Smits E, Lion E, Thomas PG, Mortier G, Van Damme P, Beutels P, Laukens K, Van Tendeloo V, Ogunjimi B. Preexisting memory CD4 T cells in naïve individuals confer robust immunity upon hepatitis B vaccination. eLife 2022; 11:68388. [PMID: 35074048 PMCID: PMC8824481 DOI: 10.7554/elife.68388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 01/07/2022] [Indexed: 11/22/2022] Open
Abstract
Antigen recognition through the T cell receptor (TCR) αβ heterodimer is one of the primary determinants of the adaptive immune response. Vaccines activate naïve T cells with high specificity to expand and differentiate into memory T cells. However, antigen-specific memory CD4 T cells exist in unexposed antigen-naïve hosts. In this study, we use high-throughput sequencing of memory CD4 TCRβ repertoire and machine learning to show that individuals with preexisting vaccine-reactive memory CD4 T cell clonotypes elicited earlier and higher antibody titers and mounted a more robust CD4 T cell response to hepatitis B vaccine. In addition, integration of TCRβ sequence patterns into a hepatitis B epitope-specific annotation model can predict which individuals will have an early and more vigorous vaccine-elicited immunity. Thus, the presence of preexisting memory T cell clonotypes has a significant impact on immunity and can be used to predict immune responses to vaccination. Immune cells called CD4 T cells help the body build immunity to infections caused by bacteria and viruses, or after vaccination. Receptor proteins on the outside of the cells recognize pathogens, foreign molecules called antigens, or vaccine antigens. Vaccine antigens are usually inactivated bacteria or viruses, or fragments of these pathogens. After recognizing an antigen, CD4 T cells develop into memory CD4 T cells ready to defend against future infections with the pathogen. People who have never been exposed to a pathogen, or have never been vaccinated against it, may nevertheless have preexisting memory cells ready to defend against it. This happens because CD4 T cells can recognize multiple targets, which enables the immune system to be ready to defend against both new and familiar pathogens. Elias, Meysman, Bartholomeus et al. wanted to find out whether having preexisting memory CD4 T cells confers an advantage for vaccine-induced immunity. Thirty-four people who were never exposed to hepatitis B or vaccinated against it participated in the study. These individuals provided blood samples before vaccination, with 2 doses of the hepatitis B vaccine, and at 3 time points afterward. Using next generation immune sequencing and machine learning techniques, Elias et al. analyzed the individuals’ memory CD4 T cells before and after vaccination. The experiments showed that preexisting memory CD4 T cells may determine vaccination outcomes, and people with more preexisting memory cells develop quicker and stronger immunity after vaccination against hepatitis B. This information may help scientists to better understand how people develop immunity to pathogens. It may guide them develop better vaccines or predict who will develop immunity after vaccination.
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Affiliation(s)
- George Elias
- Laboratory of Experimental Hematology (LEH), University of Antwerp
| | - Pieter Meysman
- Biomedical Informatics Research Network Antwerp, Department of Mathematics and Informatics, University of Antwerp
| | | | - Nicolas De Neuter
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Nina Keersmaekers
- Centre for Health Economics Research & Modeling Infectious Diseases, University of Antwerp
| | - Arvid Suls
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Hilde Jansens
- Department of Clinical Microbiology, Antwerp University Hospital
| | - Aisha Souquette
- Department of Immunology, St. Jude Children's Research Hospital
| | - Hans De Reu
- Laboratory of Experimental Hematology, University of Antwerp
| | | | - Evelien Smits
- Laboratory of Experimental Hematology, University of Antwerp
| | - Eva Lion
- Laboratory of Experimental Hematology, University of Antwerp
| | - Paul G Thomas
- Department of Immunology, St. Jude Children's Research Hospital
| | - Geert Mortier
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Pierre Van Damme
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Philippe Beutels
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Kris Laukens
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
| | - Viggo Van Tendeloo
- Janssen Research and Development, Immunosciences WWDA, Johnson and Johnson
| | - Benson Ogunjimi
- Antwerp Unit for Data Analysis and Computation in Immunology and Sequencing, University of Antwerp
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16
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Horiuchi S, Wu H, Liu WC, Schmitt N, Provot J, Liu Y, Bentebibel SE, Albrecht RA, Schotsaert M, Forst CV, Zhang B, Ueno H. Tox2 is required for the maintenance of GC T FH cells and the generation of memory T FH cells. SCIENCE ADVANCES 2021; 7:eabj1249. [PMID: 34623911 PMCID: PMC8500513 DOI: 10.1126/sciadv.abj1249] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 08/19/2021] [Indexed: 06/13/2023]
Abstract
Memory T follicular helper (TFH) cells play an essential role to induce secondary antibody response by providing help to memory and naïve B cells. Here, we show that the transcription factor Tox2 is vital for the maintenance of TFH cells in germinal centers (GCs) and the generation of memory TFH cells. High Tox2 expression was almost exclusive to GC TFH cells among human tonsillar and blood CD4+ T cell subsets. Tox2 overexpression maintained the expression of TFH-associated genes in T cell receptor–stimulated human GC TFH cells and inhibited their spontaneous conversion into TH1-like cells. Tox2-deficient mice displayed impaired secondary TFH cell expansion upon reimmunization with an antigen and upon secondary infection with a heterologous influenza virus. Collectively, our study shows that Tox2 is highly integrated into establishment of durable GC TFH cell responses and development of memory TFH cells in mice and humans.
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Affiliation(s)
- Shu Horiuchi
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75204, USA
| | - Hanchih Wu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Wen-Chun Liu
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Biomedical Translation Research Center, Academia Sinica, Taipei 11571, Taiwan
| | - Nathalie Schmitt
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75204, USA
- ImmunoConcEpT, CNRS UMR 5164, Bordeaux University, Bordeaux 33076, France
| | - Jonathan Provot
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75204, USA
| | - Yang Liu
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75204, USA
| | | | - Randy A. Albrecht
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Michael Schotsaert
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Christian V. Forst
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Bin Zhang
- Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Hideki Ueno
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75204, USA
- Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto 606-8501, Japan
- Institute for the Advanced Study of Human Biology, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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17
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Zhang X, Ge R, Chen H, Ahiafor M, Liu B, Chen J, Fan X. Follicular Helper CD4 + T Cells, Follicular Regulatory CD4 + T Cells, and Inducible Costimulator and Their Roles in Multiple Sclerosis and Experimental Autoimmune Encephalomyelitis. Mediators Inflamm 2021; 2021:2058964. [PMID: 34552387 PMCID: PMC8452443 DOI: 10.1155/2021/2058964] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/12/2021] [Accepted: 08/26/2021] [Indexed: 12/13/2022] Open
Abstract
Follicular helper CD4+ T (TFH) cells are a specialized subset of effector T cells that play a central role in orchestrating adaptive immunity. TFH cells mainly promote germinal center (GC) formation, provide help to B cells for immunoglobulin affinity maturation and class-switch recombination of B cells, and facilitate production of long-lived plasma cells and memory B cells. TFH cells express the nuclear transcriptional repressor B cell lymphoma 6 (Bcl-6), the chemokine (C-X-C motif) receptor 5 (CXCR5), the CD28 family members programmed cell death protein-1 (PD-1) and inducible costimulator (ICOS) and are also responsible for the secretion of interleukin-21 (IL-21) and IL-4. Follicular regulatory CD4+ T (TFR) cells, as a regulatory counterpart of TFH cells, participate in the regulation of GC reactions. TFR cells not only express markers of TFH cells but also express markers of regulatory T (Treg) cells containing FOXP3, glucocorticoid-induced tumor necrosis factor receptor (GITR), cytotoxic T lymphocyte antigen 4 (CTLA-4), and IL-10, hence owing to the dual characteristic of TFH cells and Treg cells. ICOS, expressed on activated CD4+ effector T cells, participates in T cell activation, differentiation, and effector process. The expression of ICOS is highest on TFH and TFR cells, indicating it as a key regulator of humoral immunity. Multiple sclerosis (MS) is a severe autoimmune disease that affects the central nervous system and results in disability, mediated by autoreactive T cells with evolving evidence of a remarkable contribution from humoral responses. This review summarizes recent advances regarding TFH cells, TFR cells, and ICOS, as well as their functional characteristics in relation to MS.
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Affiliation(s)
- Xue Zhang
- Department of Neurology, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
| | - Ruli Ge
- Department of Neurology, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
| | - Hongliang Chen
- Department of Neurology, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
| | - Maxwell Ahiafor
- School of International Studies, Binzhou Medical University, Yantai, 264003 Shandong, China
| | - Bin Liu
- Institute for Metabolic & Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
| | - Jinbo Chen
- Department of Neurology, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
| | - Xueli Fan
- Department of Neurology, Binzhou Medical University Hospital, Binzhou, 256603 Shandong, China
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18
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Li Y, Yin S, Issa R, Tong X, Wang G, Xia J, Huang R, Chen G, Weng D, Chen C, Wu C, Chen Y. B Cell-mediated Humoral Immunity in Chronic Hepatitis B Infection. J Clin Transl Hepatol 2021; 9:592-597. [PMID: 34447690 PMCID: PMC8369012 DOI: 10.14218/jcth.2021.00051] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/24/2021] [Accepted: 05/06/2021] [Indexed: 12/12/2022] Open
Abstract
B cell-mediated humoral immunity plays a vital role in viral infections, including chronic hepatitis B virus (HBV) infection, which remains a critical global public health issue. Despite hepatitis B surface antigen-specific antibodies are essential to eliminate viral infections, the reduced immune functional capacity of B cells was identified, which was also correlated with chronic hepatitis B (CHB) progression. In addition to B cells, T follicular helper (Tfh) cells, which assist B cells to produce antibodies, might also be involved in the process of anti-HBV-specific antibody production. Here, we provide a comprehensive review of the role of various subsets of B cells and Tfh cells during CHB progression and discuss current novel treatment strategies aimed at restoring humoral immunity. Understanding the mechanism of dysregulated B cells and Tfh cells will facilitate the ultimate functional cure of CHB patients.
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Affiliation(s)
- Yang Li
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, Nanjing, Jiangsu, China
| | - Shengxia Yin
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Rahma Issa
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin Tong
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Guiyang Wang
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Juan Xia
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Rui Huang
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Guangmei Chen
- Department of Infectious Diseases, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Dan Weng
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, Nanjing, Jiangsu, China
| | - Chen Chen
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chao Wu
- Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
- Correspondence to: Yuxin Chen, Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu 210008, China. ORCID: https://orcid.org/0000-0001-5955-687X. Tel: +86-25-8968-3827, Fax: +86-25-8330-7115, E-mail: ; Wu Chao, Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu 210008, China. ORCID: https://orcid.org/0000-0002-1657-010X. Tel: +86-25-8310-5890, Fax: +86-25-8330-7115, E-mail:
| | - Yuxin Chen
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu, China
- Correspondence to: Yuxin Chen, Department of Laboratory Medicine, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu 210008, China. ORCID: https://orcid.org/0000-0001-5955-687X. Tel: +86-25-8968-3827, Fax: +86-25-8330-7115, E-mail: ; Wu Chao, Department of Infectious Diseases, Nanjing Drum Tower Hospital, Nanjing University Medical School, Nanjing, Jiangsu 210008, China. ORCID: https://orcid.org/0000-0002-1657-010X. Tel: +86-25-8310-5890, Fax: +86-25-8330-7115, E-mail:
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19
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Transcriptomic Profiling of Dromedary Camels Immunised with a MERS Vaccine Candidate. Vet Sci 2021; 8:vetsci8080156. [PMID: 34437478 PMCID: PMC8402689 DOI: 10.3390/vetsci8080156] [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: 05/11/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/17/2022] Open
Abstract
Middle East Respiratory Syndrome coronavirus (MERS-CoV) infects dromedary camels and zoonotically infects humans, causing a respiratory disease with severe pneumonia and death. With no approved antiviral or vaccine interventions for MERS, vaccines are being developed for camels to prevent virus transmission into humans. We have previously developed a chimpanzee adenoviral vector-based vaccine for MERS-CoV (ChAdOx1 MERS) and reported its strong humoral immunogenicity in dromedary camels. Here, we looked back at total RNA isolated from whole blood of three immunised dromedaries pre and post-vaccination during the first day; and performed RNA sequencing and bioinformatic analysis in order to shed light on the molecular immune responses following a ChAdOx1 MERS vaccination. Our finding shows that a number of transcripts were differentially regulated as an effect of the vaccination, including genes that are involved in innate and adaptive immunity, such as type I and II interferon responses. The camel Bcl-3 and Bcl-6 transcripts were significantly upregulated, indicating a strong activation of Tfh cell, B cell, and NF-κB pathways. In conclusion, this study gives an overall view of the first changes in the immune transcriptome of dromedaries after vaccination; it supports the potency of ChAdOx1 MERS as a potential camel vaccine to block transmission and prevent new human cases and outbreaks.
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20
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Hewavisenti RV, Ferguson AL, Gasparini G, Ohashi T, Braun A, Watkins TS, Miles JJ, Elliott M, Sierro F, Feng CG, Britton WJ, Gebhardt T, Tangye S, Palendira U. Tissue-resident regulatory T cells accumulate at human barrier lymphoid organs. Immunol Cell Biol 2021; 99:894-906. [PMID: 34080230 DOI: 10.1111/imcb.12481] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/19/2021] [Accepted: 05/31/2021] [Indexed: 12/17/2022]
Abstract
Regulatory T cells (Tregs) play a critical role in immune regulation and peripheral tolerance. While different types of Tregs have been identified in both mice and humans, much of our understanding about how these cells maintain immune homeostasis is derived from animal models. In this study, we examined two distinct human lymphoid organs to understand how repeated exposure to infections at the mucosal surface influences the phenotype and tissue localization of Tregs. We show that while Tregs in both tonsils and spleen express a tissue-resident phenotype, they accumulate in greater numbers in tonsils. Tonsillar-resident Tregs exhibit a highly suppressive phenotype with significantly increased expression of CD39, ICOS and CTLA-4 compared with their counterparts in circulation or in the spleen. Functionally, resident Tregs are able effectively to suppress T cell proliferation. We further demonstrate that tonsillar-resident Tregs share key features of T follicular helper cells. Spatial analysis reveals that the vast majority of resident Tregs are localized at the border of the T-zone and B cell follicle, as well as within the lymphocyte pockets enriched with resident memory T cells. Together our findings suggest that resident Tregs are strategically co-localized to maintain immune homeostasis at sites of recurrent inflammation.
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Affiliation(s)
- Rehana V Hewavisenti
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Centenary Institute, The University of Sydney, Sydney, NSW, Australia
| | - Angela L Ferguson
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Centenary Institute, The University of Sydney, Sydney, NSW, Australia.,Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Georgia Gasparini
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Tomoki Ohashi
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Asolina Braun
- Department of Immunology and Microbiology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Thomas S Watkins
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
| | - John J Miles
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
| | - Michael Elliott
- Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.,Chris O'Brien Lifehouse Cancer Centre, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Frederic Sierro
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Australian Nuclear Science and Technology Organisation, Sydney, NSW, Australia
| | - Carl G Feng
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Centenary Institute, The University of Sydney, Sydney, NSW, Australia.,Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
| | - Warwick J Britton
- Centenary Institute, The University of Sydney, Sydney, NSW, Australia.,Sydney Medical School, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Thomas Gebhardt
- Department of Immunology and Microbiology, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Melbourne, VIC, Australia
| | - Stuart Tangye
- Garvan Institute of Medical Research, Darlinghurst, NSW, Australia.,St Vincent's Clinical School, UNSW Sydney, Darlinghurst, NSW, Australia
| | - Umaimainthan Palendira
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.,Centenary Institute, The University of Sydney, Sydney, NSW, Australia.,Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
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21
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Alonso GT, Fomin DS, Rizzo LV. Human follicular helper T lymphocytes critical players in antibody responses. EINSTEIN-SAO PAULO 2021; 19:eRB6077. [PMID: 33681888 PMCID: PMC7909002 DOI: 10.31744/einstein_journal/2021rb6077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/30/2020] [Indexed: 11/05/2022] Open
Abstract
Follicular helper T lymphocytes are a subpopulation of CD4+ T lymphocytes initially identified in germinal centers of follicles found in secondary lymphoid organs. The primary function of follicular helper T lymphocytes is to help B lymphocytes' antibody production. Changing of antibody class and affinity, B cell differentiation and memory generation depend on cooperation between follicular helper T lymphocytes and B cells. In blood, follicular helper T lymphocytes are called circulating follicular helper T lymphocytes. They are considered to have specificities similar to those developed in the secondary lymphoid organs. The phenotype of human follicular helper T lymphocytes is given by simultaneous expression of the markers CXCR5, Bcl-6, CD40L, PD-1, and ICOS. In germinal centers, follicular helper T lymphocytes synthesize interleukin 21 as predominant cytokine. In blood, subpopulations of circulating follicular helper T lymphocytes can be recognized, with different expressions of the classical follicular helper T lymphocytes markers and, in addition, can express other markers such as CXCR3 and CCR6. Presently, there is great interest in follicular helper T lymphocytes and circulating follicular helper T lymphocytes in vaccination studies as indicators of immunization efficacy. In addition, follicular helper T lymphocytes are investigated as possible markers of activity in many diseases and potential therapeutic intervention. This short review describes aspects of immunobiology and quantification of follicular helper T lymphocytes and circulating follicular helper T lymphocytes, and presents a few examples of related findings in systemic lupus erythematosus, rheumatoid arthritis, HIV infection and vaccination.
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22
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Ashida S, Ochi H, Hamatani M, Fujii C, Kimura K, Okada Y, Hashi Y, Kawamura K, Ueno H, Takahashi R, Mizuno T, Kondo T. Immune Skew of Circulating Follicular Helper T Cells Associates With Myasthenia Gravis Severity. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2021; 8:e945. [PMID: 33436376 PMCID: PMC8105905 DOI: 10.1212/nxi.0000000000000945] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 11/04/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To clarify functional alterations of follicular helper T cells (Tfh) in myasthenia gravis (MG) because Tfh play important roles in helping B cells generate antibody-producing cells. METHODS A total of 24 immunotherapy-naive patients with anti-acetylcholine receptor (AchR) antibody-positive MG and 18 age-matched healthy subjects (HS) were enrolled. Samples from 6 patients were available for posttreatment analysis. Subsets of circulating Tfh (cTfh) and B cells were identified by flow cytometry analysis of surface molecules. Cytokine production by isolated cTfh subsets from 5 patients with MG and 5 HS was measured in vitro. Analysis was performed to examine the correlation between the frequency of cTfh subsets and that of plasmablasts and between cTfh subsets and the quantitative MG score. RESULTS cTfh increased with elevated expression of inducible T-cell costimulator (ICOS) in patients with MG. cTfh shifted to Th2 and Th17 over Th1 in MG. ICOShighcTfh produced significantly higher levels of interleukin (IL)-21, IL-4, and IL-17A than ICOSlow cTfh only in patients with MG. The frequency of cTfh within CD4 T cells was more closely associated with disease severity than the serum anti-AchR antibody titer and frequency of plasmablasts within B cells. Abnormalities of cTfh were improved after immunotherapy in parallel with clinical improvement. CONCLUSIONS Alternation of cTfh is a key feature in the development of MG and may become a biomarker for disease severity and therapeutic efficacy. CLASSIFICATION OF EVIDENCE This study provides Class II evidence that the level of cTfh is associated with disease severity in patients with MG.
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Affiliation(s)
- Shinji Ashida
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Hirofumi Ochi
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Mio Hamatani
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Chihiro Fujii
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Kimitoshi Kimura
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Yoichiro Okada
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Yuichiro Hashi
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Kazuyuki Kawamura
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Hideki Ueno
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Ryosuke Takahashi
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Toshiki Mizuno
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
| | - Takayuki Kondo
- From the Department of Neurology (S.A., C.F., T.M.), Graduate School of Medical Science, Kyoto Prefectural University of Medicine; Department of Geriatric Medicine and Neurology (H.O.), Ehime University Graduate School of Medicine, Toon; Department of Neurology (M.H., R.T.), Kyoto University Graduate School of Medicine; Department of Neurology (M.H., Y.O., Y.H., T.K.), Kansai Medical University Medical Center, Osaka, Japan; Brigham and Women's Hospital (K. Kimura), Harvard Medical School, Boston, MA; Department of Neurology (K. Kawamura), National Hospital Organization Minami Kyoto Hospital; and Department of Immunology (H.U.), Kyoto University Graduate School of Medicine, Japan
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23
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Razzaghi R, Agarwal S, Kotlov N, Plotnikova O, Nomie K, Huang DW, Wright GW, Smith GA, Li M, Takata K, Yamadi M, Yao C, O’Shea JJ, Phelan JD, Pittaluga S, Scott DW, Muppidi JR. Compromised counterselection by FAS creates an aggressive subtype of germinal center lymphoma. J Exp Med 2021; 218:e20201173. [PMID: 33237303 PMCID: PMC7694576 DOI: 10.1084/jem.20201173] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/01/2020] [Accepted: 10/20/2020] [Indexed: 12/14/2022] Open
Abstract
Fas is highly expressed on germinal center (GC) B cells, and mutations of FAS have been reported in diffuse large B cell lymphoma (DLBCL). Although GC-derived DLBCL has better overall outcomes than other DLBCL types, some cases are refractory, and the molecular basis for this is often unknown. We show that Fas is a strong cell-intrinsic regulator of GC B cells that promotes cell death in the light zone, likely via T follicular helper (Tfh) cell-derived Fas ligand. In the absence of Fas, GCs were more clonally diverse due to an accumulation of cells that did not demonstrably bind antigen. FAS alterations occurred most commonly in GC-derived DLBCL, were associated with inferior outcomes and an enrichment of Tfh cells, and co-occurred with deficiency in HVEM and PD-L1 that regulate the Tfh-B cell interaction. This work shows that Fas is critically required for GC homeostasis and suggests that loss of Tfh-mediated counterselection in the GC contributes to lethality in GC-derived lymphoma.
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Affiliation(s)
- Raud Razzaghi
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Shreya Agarwal
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | | | | | | | - Da Wei Huang
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - George W. Wright
- Biometric Research Branch, Division of Cancer Diagnosis and Treatment, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Grace A. Smith
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Moyi Li
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Katsuyoshi Takata
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, British Columbia, Canada
| | - Maryam Yamadi
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Chen Yao
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - John J. O’Shea
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
| | - James D. Phelan
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - Stefania Pittaluga
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
| | - David W. Scott
- Centre for Lymphoid Cancer, British Columbia Cancer, Vancouver, British Columbia, Canada
| | - Jagan R. Muppidi
- Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD
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24
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Subburayalu J, Dolff S, Xu S, Sun M, Lindemann M, Heinold A, Heinemann FM, Tervaert JWC, Eisenberger U, Korth J, Brinkhoff A, Kribben A, Witzke O, Wilde B. Characterization of follicular T helper cells and donor-specific T helper cells in renal transplant patients with de novo donor-specific HLA-antibodies. Clin Immunol 2021; 226:108698. [PMID: 33639275 DOI: 10.1016/j.clim.2021.108698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 02/19/2021] [Accepted: 02/20/2021] [Indexed: 12/21/2022]
Abstract
T follicular helper (TFH) cells are a heterogeneous subset of immunocompetent T helper (TH) cells capable of augmenting B cell responses in lymphoid tissues. In transplantation, exposure to allogeneic tissue activates TFH cells increasing the risk of the emergence of de novo donor-specific HLA-antibodies (dnDSA). These can cause antibody-mediated rejection (AMR) and allograft loss. Follicular regulatory T (TFR) cells counteract TFH cell activity. Here, we investigated the implications of TFH and TFR cells on dnDSA formation after renal transplantation (RTX). Considering TFH cells to be CXCR5+ and IL-21+, we found by flow cytometry that patients with dnDSA produced IL-21 more abundantly compared to healthy volunteers. In in vitro alloreactivity assays, patients with dnDSA featured an enhanced alloreactive TH cell pool in response to donor-specific HLA antigens. Besides, longitudinal investigations suggested enhanced alloreactivity shortly after transplantation increasing the risk of dnDSA development. Taken together, in spite of continuous immunosuppression we report a strong IL-21 response in TFH cells and an expanded reservoir of donor-specific memory TH cells in patients with dnDSA. This warrants further investigations if aberrant TFH cell activation may precede the formation of dnDSA promoting AMR.
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Affiliation(s)
- Julien Subburayalu
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Sebastian Dolff
- Department of Infectious Diseases, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Shilei Xu
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany; Department of General Surgery, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510530, China
| | - Ming Sun
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Monika Lindemann
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Andreas Heinold
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Falko M Heinemann
- Institute for Transfusion Medicine, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Jan Willem Cohen Tervaert
- Division of Rheumatology, Department of Medicine, University of Alberta, Edmonton, AB T6G 2G3, Canada
| | - Ute Eisenberger
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Johannes Korth
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Alexandra Brinkhoff
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Andreas Kribben
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Oliver Witzke
- Department of Infectious Diseases, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany
| | - Benjamin Wilde
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen 45147, Germany.
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25
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Yao Y, Chen C, Yu D, Liu Z. Roles of follicular helper and regulatory T cells in allergic diseases and allergen immunotherapy. Allergy 2021; 76:456-470. [PMID: 33098663 DOI: 10.1111/all.14639] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/06/2020] [Accepted: 10/20/2020] [Indexed: 12/11/2022]
Abstract
Allergic diseases are characterized by overactive type 2 immune responses to allergens and immunoglobulin E (IgE)-mediated hypersensitivity. Emerging evidence suggests that follicular helper T (TFH ) cells, rather than type 2 T-helper (TH 2) cells, play a crucial role in controlling IgE production. However, follicular regulatory T (TFR ) cells, a specialized subset of regulatory T (TREG ) cells resident in B-cell follicles, restricts TFH cell-mediated help in extrafollicular antibody production, germinal center (GC) formation, immunoglobulin affinity maturation, and long-lived, high-affinity plasma and memory B-cell differentiation. In mouse models of allergic asthma and food allergy, CXCR5+ TFH cells, not CXCR5- conventional TH 2 cells, are needed to support IgE production, otherwise exacerbated by CXCR5+ TFR cell deletion. Upregulation of TFH cell activities, including a skewing toward type 2 TFH (TFH 2) and IL-13 producing TFH (TFH 13) phenotypes, and defects in TFR cells have been identified in patients with allergic diseases. Allergen immunotherapy (AIT) reinstates the balance between TFH and TFR cells in patients with allergic diseases, resulting in clinical benefits. Collectively, further understanding of TFH and TFR cells and their role in the immunopathogenesis of allergic diseases creates opportunities to develop novel therapeutic approaches.
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Affiliation(s)
- Yin Yao
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
- The University of Queensland Diamantina Institute Faculty of Medicine The University of Queensland Brisbane Qld Australia
| | - Cai‐Ling Chen
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Di Yu
- The University of Queensland Diamantina Institute Faculty of Medicine The University of Queensland Brisbane Qld Australia
| | - Zheng Liu
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
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26
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Abstract
Follicular helper T (Tfh) cells play a key role in B cell activation and differentiation. Within recent years, distinct subsets of follicular T cells, including regulatory and cytotoxic T cells, have been identified. Apart from classical Tfh cells in secondary lymphoid organs, Tfh-like cells are found in chronically inflamed nonlymphoid tissues. Here, we provide protocols to identify different follicular T cell subsets in murine and human tissues by flow cytometry. This chapter also contains an immunization protocol for the induction of large numbers of Tfh cells in mice.
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27
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Chen W, Yang F, Xu G, Ma J, Lin J. Follicular helper T cells and follicular regulatory T cells in the immunopathology of primary Sjögren's syndrome. J Leukoc Biol 2020; 109:437-447. [PMID: 33325085 DOI: 10.1002/jlb.5mr1020-057rr] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 10/19/2020] [Accepted: 11/23/2020] [Indexed: 12/13/2022] Open
Abstract
Primary Sjögren's syndrome (pSS) is a chronic autoimmune disease, characterized by lymphocytic infiltration into exocrine glands, which causes dry eyes, dry mouth, and systemic damage. Although the precise etiology of pSS is not clear yet, highly activated B cells, abundant anti-SSA/Ro, and anti-SSB/La autoantibodies are the hallmarks of this disease. Follicular helper T cells (Tfh), a subset of CD4+ T cells, with cell surface receptors PD-1 and CXCR5, express ICOS, transcription factor Bcl-6, and a cytokine IL-21. These cells help in the differentiation of B cells into plasma cells and stimulate the formation of germinal center (GC). Previous studies have demonstrated abundant Tfh cells in the peripheral blood and salivary glands (SGs) of the patients with pSS, correlated with extensive lymphocytic infiltration of the SGs and high disease activity scores. Patients with pSS who are treated with abatacept (CTLA-4 Ig) show fewer circulating Tfh cells, reduced expression of ICOS, and lower disease activity scores. Recently identified follicular regulatory T (Tfr) cells, a subset of regulatory T cells, control the function of Tfh cells and the GC reactions. Here, we summarize the observed alterations in Tfh and Tfr cell numbers, activation state, and circulating subset distribution in pSS. Our goal is to improve the understanding of the roles of Tfh and Tfr cells (surface marker expression, cytokine production, and transcription factors) in the pathogenesis of pSS, thus contributing to the identification of candidate therapeutic agents for this disease.
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Affiliation(s)
- Weiqian Chen
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Fan Yang
- State Key Laboratory of Infectious Diseases Diagnosis and Treatment, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Guanhua Xu
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jilin Ma
- Division of Nephrology, Zhejiang Traditional Chinese Medicine and Western Medicine Hospital, Hangzhou, Zhejiang, China
| | - Jin Lin
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
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28
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Gassen RB, Fazolo T, Nascimento de Freitas D, Borges TJ, Lima K, Antunes GL, Maito F, Bueno Mendes DA, Báfica A, Rodrigues LC, Stein R, Duarte de Souza AP, Bonorino C. IL-21 treatment recovers follicular helper T cells and neutralizing antibody production in respiratory syncytial virus infection. Immunol Cell Biol 2020; 99:309-322. [PMID: 33068449 DOI: 10.1111/imcb.12418] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/31/2020] [Accepted: 10/14/2020] [Indexed: 01/13/2023]
Abstract
Respiratory syncytial virus (RSV) is the major cause of lower respiratory tract infections in children under 1 year. RSV vaccines are currently unavailable, and children suffering from multiple reinfections by the same viral strain fail to develop protective responses. Although RSV-specific antibodies can be detected upon infection, these have limited neutralizing capacity. Follicular helper T (Tfh) cells are specialized in providing signals to B cells and help the production and affinity maturation of antibodies, mainly via interleukin (IL) 21 secretion. In this study, we evaluated whether RSV could inhibit Tfh responses. We observed that Tfh cells fail to upregulate IL-21 production upon RSV infection. In the lungs, RSV infection downregulated the expression of IL-21/interleukin-21 receptor (IL-21R) in Tfh cells and upregulated programmed death-ligand 1 (PD-L1) expression in dendritic cells (DCs) and B cells. PD-L1 blockade during infection recovered IL-21R expression in Tfh cells and increased the secretion of IL-21 in a DC-dependent manner. IL-21 treatment decreased RSV viral load and lung inflammation, inducing the formation of tertiary lymphoid organs in the lung. It also decreased regulatory follicular T cells, and increased Tfh cells, B cells, antibody avidity and neutralization capacity, leading to an overall improved anti-RSV humoral response in infected mice. Passive immunization with purified immunoglobulin G from IL-21-treated RSV-infected mice protected against RSV infection. Our results unveil a pathway by which RSV affects Tfh cells by increasing PD-L1 expression on antigen-presenting cells, highlighting the importance of an IL-21-PD-L1 axis for the generation of protective responses to RSV infection.
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Affiliation(s)
- Rodrigo Benedetti Gassen
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Renal Division, Schuster Family Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Tiago Fazolo
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Deise Nascimento de Freitas
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Thiago J Borges
- Renal Division, Schuster Family Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Karina Lima
- Laboratório de Imunologia Celular e Molecular, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil.,Laboratório de Imunoterapia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | - Géssica L Antunes
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fábio Maito
- Laboratório de Histologia, Faculdade de Odontologia, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Daniel Ag Bueno Mendes
- Laboratório de Imunobiologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - André Báfica
- Laboratório de Imunobiologia, Universidade Federal de Santa Catarina, Florianópolis, Santa Catarina, Brazil
| | - Luiz Carlos Rodrigues
- Laboratório de Imunovirologia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil
| | - Renato Stein
- Infant Center, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ana Paula Duarte de Souza
- Laboratório de Imunologia Clínica e Experimental, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Cristina Bonorino
- Laboratório de Imunoterapia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Brazil.,Department of Surgery, School of Medicine, University of California at San Diego, La Jolla, CA, USA
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29
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Shared and distinct roles of T peripheral helper and T follicular helper cells in human diseases. Cell Mol Immunol 2020; 18:523-527. [PMID: 32868910 PMCID: PMC8027819 DOI: 10.1038/s41423-020-00529-z] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 08/04/2020] [Indexed: 12/13/2022] Open
Abstract
The interactions of CD4+ T cells and B cells are fundamental for the generation of protective antibody responses, as well as for the development of harmful autoimmune diseases. Recent studies of human tissues and blood samples have established a new subset of CD4+ B helper T cells named peripheral helper T (Tph) cells. Unlike T follicular helper (Tfh) cells, which interact with B cells within lymphoid organs, Tph cells provide help to B cells within inflamed tissues. Tph cells share many B helper-associated functions with Tfh cells and induce B cell differentiation toward antibody-producing cells. The differentiation mechanism is also partly shared between Tph and Tfh cells in humans, and both Tfh and Tph cells can be found within the same tissues, including cancer tissues. However, Tph cells display features distinct from those of Tfh cells, such as the expression of chemokine receptors associated with Tph cell localization within inflamed tissues and a low Bcl-6/Blimp1 ratio. Unlike that of Tfh cells, current evidence shows that the target of Tph cells is limited to memory B cells. In this review, we first summarize recent findings on human Tph cells and discuss how Tph and Tfh cells play shared and distinct roles in human diseases.
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30
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Lartey S, Zhou F, Brokstad KA, Mohn KGI, Slettevoll SA, Pathirana RD, Cox RJ. Live-Attenuated Influenza Vaccine Induces Tonsillar Follicular T Helper Cell Responses That Correlate With Antibody Induction. J Infect Dis 2020; 221:21-32. [PMID: 31250024 PMCID: PMC6910880 DOI: 10.1093/infdis/jiz321] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 06/25/2019] [Indexed: 11/14/2022] Open
Abstract
Background Influenza remains a major threat to public health. Live-attenuated influenza vaccines (LAIV) have been shown to be effective, particularly in children. Follicular T helper (TFH) cells provide B-cell help and are crucial for generating long-term humoral immunity. However the role of TFH cells in LAIV-induced immune responses is unknown. Methods We collected tonsils, plasma, and saliva samples from children and adults receiving LAIV prior to tonsillectomy. We measured influenza-specific TFH-cell responses after LAIV by flow cytometry and immunohistochemistry. Systemic and local antibody responses were analysed by hemagglutination inhibition assay and enzyme-linked immunosorbent assay. Results We report that LAIV induced early (3–7 days post-vaccination) activation of tonsillar follicles and influenza-specific TFH-cell (CXCR5+CD57+CD4+ T cell) responses in children, and to a lesser extent in adults. Serological analyses showed that LAIV elicited rapid (day 14) and long-term (up to 1 year post-vaccination) antibody responses (hemagglutination inhibition, influenza-specific IgG) in children, but not adults. There was an inverse correlation between pre-existing influenza-specific salivary IgA concentrations and tonsillar TFH-cell responses, and a positive correlation between tonsillar TFH-cell and systemic IgG induction after LAIV. Conclusions Our data, taken together, demonstrate an important role of tonsillar TFH cells in LAIV-induced immunity in humans.
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Affiliation(s)
| | - Fan Zhou
- Influenza Center, Bergen, Norway.,K.G. Jebsen Center for Influenza Vaccines Research, Bergen, Norway
| | - Karl A Brokstad
- Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen, Bergen, Norway
| | | | | | | | - Rebecca J Cox
- Influenza Center, Bergen, Norway.,K.G. Jebsen Center for Influenza Vaccines Research, Bergen, Norway.,Department of Research and Development, Haukeland University Hospital, Bergen, Norway
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31
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Louis K, Macedo C, Bailly E, Lau L, Ramaswami B, Marrari M, Landsittel D, Chang A, Chandran U, Fadakar P, Yamada M, Chalasani G, Randhawa P, Zeevi A, Singh H, Lefaucheur C, Metes D. Coordinated Circulating T Follicular Helper and Activated B Cell Responses Underlie the Onset of Antibody-Mediated Rejection in Kidney Transplantation. J Am Soc Nephrol 2020; 31:2457-2474. [PMID: 32723838 DOI: 10.1681/asn.2020030320] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 05/31/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Although antibody-mediated rejection (ABMR) has been long recognized as a leading cause of allograft failure after kidney transplantation, the cellular and molecular processes underlying the induction of deleterious donor-specific antibody (DSA) responses remain poorly understood. METHODS Using high-dimensional flow cytometry, in vitro assays, and RNA sequencing, we concomitantly investigated the role of T follicular helper (TFH) cells and B cells during ABMR in 105 kidney transplant recipients. RESULTS There were 54 patients without DSAs; of those with DSAs, ABMR emerged in 20 patients, but not in 31 patients. We identified proliferating populations of circulating TFH cells and activated B cells emerging in blood of patients undergoing ABMR. Although these circulating TFH cells comprised heterogeneous phenotypes, they were dominated by activated (ICOS+PD-1+) and early memory precursor (CCR7+CD127+) subsets, and were enriched for the transcription factors IRF4 and c-Maf. These circulating TFH cells produced large amounts of IL-21 upon stimulation with donor antigen and induced B cells to differentiate into antibody-secreting cells that produced DSAs. Combined analysis of the matched circulating TFH cell and activated B cell RNA-sequencing profiles identified highly coordinated transcriptional programs in circulating TFH cells and B cells among patients with ABMR, which markedly differed from those of patients who did not develop DSAs or ABMR. The timing of expansion of the distinctive circulating TFH cells and activated B cells paralleled emergence of DSAs in blood, and their magnitude was predictive of IgG3 DSA generation, more severe allograft injury, and higher rate of allograft loss. CONCLUSIONS Patients undergoing ABMR may benefit from monitoring and therapeutic targeting of TFH cell-B cell interactions.
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Affiliation(s)
- Kevin Louis
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Human Immunology and Immunopathology, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 976, Université de Paris, Paris, France
| | - Camila Macedo
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Elodie Bailly
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Human Immunology and Immunopathology, Institut National de la Santé et de la Recherche Médicale, Unité Mixte de Recherche 976, Université de Paris, Paris, France
| | - Louis Lau
- Center for Systems Immunology, Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Bala Ramaswami
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Marilyn Marrari
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Douglas Landsittel
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alexander Chang
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Uma Chandran
- Department of Biomedical Informatics, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Paul Fadakar
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Masaki Yamada
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Geetha Chalasani
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Parmjeet Randhawa
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Adriana Zeevi
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.,Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Harinder Singh
- Center for Systems Immunology, Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania.,Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Carmen Lefaucheur
- Paris Translational Research Center for Organ Transplantation, Inserm UMR S970, Université de Paris, Paris, France
| | - Diana Metes
- Department of Surgery, Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania .,Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania
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32
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Kurata I, Matsumoto I, Sumida T. T follicular helper cell subsets: a potential key player in autoimmunity. Immunol Med 2020; 44:1-9. [PMID: 32546108 DOI: 10.1080/25785826.2020.1776079] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Follicular helper T (Tfh) cells are one of CD4+ helper T subsets which promote B cell maturation, activation and antigen-specific antibody production. Autoantibodies are hallmarks of autoimmune diseases, and crucial contributions of Tfh cells in development of these diseases are now evident. Deregulation of Tfh activities can contribute to a pathogenic autoantibody production and can play an important role in the promotion of autoimmune diseases. These days multiple researchers reported three subpopulations which has distinct effector functions in Tfh cells: Tfh1, Tfh2 and Tfh17 cells. In this review, we summarize the observed alterations in whole Tfh cells and subset distribution during autoimmune diseases.
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Affiliation(s)
- Izumi Kurata
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Isao Matsumoto
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Takayuki Sumida
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
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33
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Evidence for a pathogenic role of extrafollicular, IL-10-producing CCR6 +B helper T cells in systemic lupus erythematosus. Proc Natl Acad Sci U S A 2020; 117:7305-7316. [PMID: 32184325 DOI: 10.1073/pnas.1917834117] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Interleukin 10 (IL-10) is an antiinflammatory cytokine, but also promotes B cell responses and plays a pathogenic role in systemic lupus erythematosus (SLE). CD4+CCR6+IL-7R+T cells from human tonsils produced IL-10 following stimulation by naïve B cells, which promoted B cell immunoglobulin G (IgG) production. These tonsillar CCR6+B helper T cells were phenotypically distinct from follicular helper T (TFH) cells and lacked BCL6 expression. In peripheral blood, a CCR6+T cell population with similar characteristics was identified, which lacked Th17- and TFH-associated gene signatures and differentiation-associated surface markers. CD4+CCR6+T cells expressing IL-10, but not IL-17, were also detectable in the spleens of cytokine reporter mice. They provided help for IgG production in vivo, and expanded systemically in pristane-induced lupus-like disease. In SLE patients, CD4+CCR6+IL-7R+T cells were associated with the presence of pathogenic anti-dsDNA (double-stranded DNA) antibodies, and provided spontaneous help for autoantibody production ex vivo. Strikingly, IL-10-producing CCR6+T cells were highly abundant in lymph nodes of SLE patients, and colocalized with B cells at the margins of follicles. In conclusion, we identified a previously uncharacterized population of extrafollicular B helper T cells, which produced IL-10 and could play a prominent pathogenic role in SLE.
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34
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Sterrett S, Peng BJ, Burton RL, LaFon DC, Westfall AO, Singh S, Pride M, Anderson AS, Ippolito GC, Schroeder HW, Nahm MH, Krishna Prasad A, Goepfert P, Bansal A. Peripheral CD4 T follicular cells induced by a conjugated pneumococcal vaccine correlate with enhanced opsonophagocytic antibody responses in younger individuals. Vaccine 2020; 38:1778-1786. [PMID: 31911030 DOI: 10.1016/j.vaccine.2019.12.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 11/06/2019] [Accepted: 12/12/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND PCV13 (conjugated polysaccharide) and PPSV23 (polysaccharide only) are two licensed vaccines targeting S. pneumoniae. The role of CD4 T-cell responses in pneumococcal vaccines among healthy participants and their impact on antibodies is not yet known. METHODS Ten adults (5 old and 5 young) received PCV13 (prime) and a year later PPSV23 (boost). Blood samples were collected prior to and multiple time points after vaccination. CD4 T cells responding to CRM197, polysaccharide (PS), CRM197 conjugated polysaccharide (CPS), PCV13 and PPSV23 vaccines were measured by flow cytometry. Serum antibodies were analyzed via multiplex opsonophagocytosis (MOPA) and pneumococcal IgG assays. RESULTS Vaccine-specific CD4 T cells were induced in all ten vaccinees post PCV13. Older vaccinees mounted higher peak responses and those specific for PCV13 and conjugated PS-1 were more polyfunctional compared to the younger group. Vaccine-elicited peripheral T follicular helper (Tfh) cells were only detected in the younger group who also exhibited a higher fold change in OPA titers post both vaccines. Importantly, Tfh cells following PCV13 correlated only with PCV13 serotype specific OPA titers after PPSV23 vaccination. CONCLUSIONS These findings demonstrate age related differences in immune response and the potential importance of Tfh in modulating functional antibody responses following pneumococcal vaccination.
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Affiliation(s)
- Sarah Sterrett
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States
| | - Binghao J Peng
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States
| | - Robert L Burton
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States
| | - David C LaFon
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States
| | - Andrew O Westfall
- University of Alabama at Birmingham, Department of Biostatistics Birmingham, Birmingham, AL, United States
| | - Suddham Singh
- Pfizer Vaccine Research & Development, Pearl River, New York, United States
| | - Michael Pride
- Pfizer Vaccine Research & Development, Pearl River, New York, United States
| | | | | | - Harry W Schroeder
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States; University of Alabama at Birmingham, Department of Microbiology Birmingham, Birmingham, AL, United States
| | - Moon H Nahm
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States; University of Alabama at Birmingham, Department of Microbiology Birmingham, Birmingham, AL, United States
| | - A Krishna Prasad
- Pfizer Vaccine Research & Development, Pearl River, New York, United States
| | - Paul Goepfert
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States; University of Alabama at Birmingham, Department of Microbiology Birmingham, Birmingham, AL, United States.
| | - Anju Bansal
- University of Alabama at Birmingham, Department of Medicine, Birmingham, AL, United States.
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35
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Ueno H. The IL-12-STAT4 axis in the pathogenesis of human systemic lupus erythematosus. Eur J Immunol 2019; 50:10-16. [PMID: 31762023 DOI: 10.1002/eji.201948134] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/05/2019] [Indexed: 12/28/2022]
Abstract
Generation of autoantibodies is a hallmark of systemic lupus erythematosus (SLE). As demonstrated in a number of lupus mouse models, recent evidence suggests that both GC and extrafollicular pathways contribute to the generation of autoantibodies also in human SLE, and that CD11c+ IgD- CD27- (double negative:DN) B cells play a central role in the latter pathway. In this mini-review, the author will first briefly summarize the features of CD11c+ DN B cells in human SLE, and discuss how the IL-12-STAT4 axis might contribute to the generation of autoantibodies in SLE. In addition, various types of CD4+ helper T cell subsets promoting the generation of autoantibodies in SLE will be described, and finally it will be discussed how these recent discoveries contribute to understanding of SLE pathogenesis and treatment of SLE patients.
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Affiliation(s)
- Hideki Ueno
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,Global Health and Emerging Pathogens Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.,Department of Immunology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan.,Institute for the Advanced Study of Human Biology, Kyoto University, Sakyo-ku, Kyoto, Japan
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36
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Geginat J, Vasco M, Gerosa M, Tas SW, Pagani M, Grassi F, Flavell RA, Meroni P, Abrignani S. IL-10 producing regulatory and helper T-cells in systemic lupus erythematosus. Semin Immunol 2019; 44:101330. [PMID: 31735515 DOI: 10.1016/j.smim.2019.101330] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Systemic lupus erythematosus (SLE) is a highly heterogeneous autoimmune disease characterised by the production of pathogenic autoantibodies against nuclear self-antigens. The anti-inflammatory and tolerogenic cytokine Interleukin-10 appears to play a paradoxical pathogenic role in SLE and is therefore currently therapeutically targeted in clinical trials. It is generally assumed that the pathogenic effect of IL-10 in SLE is due to its growth and differentiation factor activity on autoreactive B-cells, but effects on other cells might also play a role. To date, a unique cellular source of pathogenic IL-10 in SLE has not been identified. In this review, we focus on the contribution of different CD4+T-cell subsets to IL-10 and autoantibody production in SLE. In particular, we discuss that IL-10 produced by different subsets of adaptive regulatory T-cells, follicular helper T-cells and extra-follicular B-helper T-cells is likely to have different effects on autoreactive B-cell responses. A better understanding of the role of IL-10 in B-cell responses and lupus would allow to identify the most promising therapies for individual SLE patients in the future.
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Affiliation(s)
- J Geginat
- INGM-National Institute of Molecular Genetics "Romeo ed Enrica Invernizzi", Milan, Italy.
| | - M Vasco
- INGM-National Institute of Molecular Genetics "Romeo ed Enrica Invernizzi", Milan, Italy
| | - M Gerosa
- DISCCO, Department of Clinical Science and Community Health, University of Milan, Italy; ASST Istituto G. Pini, Milan, Italy
| | - S W Tas
- Amsterdam UMC, University of Amsterdam, Department of Rheumatology & Clinical Immunology and Department of Experimental Immunology, Amsterdam Infection & Immunity Institute and Amsterdam Rheumatology & immunology Center (ARC), Academic Medical Center, Amsterdam, the Netherlands
| | - M Pagani
- INGM-National Institute of Molecular Genetics "Romeo ed Enrica Invernizzi", Milan, Italy; Amsterdam UMC, University of Amsterdam, Department of Rheumatology & Clinical Immunology and Department of Experimental Immunology, Amsterdam Infection & Immunity Institute and Amsterdam Rheumatology & immunology Center (ARC), Academic Medical Center, Amsterdam, the Netherlands; Department of Medical Biotechnology and Translational Medicine, University of Milan, Italy
| | - F Grassi
- INGM-National Institute of Molecular Genetics "Romeo ed Enrica Invernizzi", Milan, Italy; Institute for Research in Biomedicine, Bellinzona, Switzerland
| | - R A Flavell
- Department of Immunobiology, and Howard Hughes Medical Institute, School of Medicine, Yale University, New Haven, USA
| | - Pl Meroni
- Istituto Auxologico Italiano, Milano, Italy
| | - S Abrignani
- INGM-National Institute of Molecular Genetics "Romeo ed Enrica Invernizzi", Milan, Italy; DISCCO, Department of Clinical Science and Community Health, University of Milan, Italy
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Kurose N, Guo X, Shioya A, Mizutani KI, Kumagai M, Fujimoto S, Kawabata H, Masaki Y, Takai K, Aoki S, Nakamura S, Yamada S. The potential role of follicular helper T cells in idiopathic multicentric Castleman disease with and without TAFRO syndrome. Pathol Res Pract 2019; 215:152563. [PMID: 31358479 DOI: 10.1016/j.prp.2019.152563] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 07/22/2019] [Accepted: 07/24/2019] [Indexed: 01/09/2023]
Abstract
Idiopathic multicentric Castleman disease (iMCD) is a systemic inflammatory disease of unknown etiology caused by hypercytokinemia. Recently, TAFRO (thrombocytopenia, anasarca, fever, renal failure or reticulin fibrosis, and organomegaly) syndrome has been reported, which shows similar histopathological findings to iMCD and factors associated with a poor prognosis. iMCD shows no plasma cell infiltration in the germinal center (GC), but CD38-positive (CD38+)-plasma cells are observed in the interfollicular area. Our previous report revealed that atrophic change of GC, glomeruloid vascular proliferation, and abnormal proliferation of follicular dendritic cells are more prominent in iMCD with TAFRO (TAFRO+) in comparison to iMCD without TAFRO (TAFRO-). In addition, the numbers of CD38+ and immunoglobulin G4-positive (IgG4+) plasma cells were decreased in the interfollicular area. The roles of T follicular helper cells (Tfh) are well-known to assist B-cell proliferation, maturation, and differentiation.It maintains the formation of GC and is also related in the class switching of IgG isotypes, including IgG4. Thus, we immunohistochemically examined the number of Tfh in GCs in both TAFRO- and TAFRO+ iMCD. The number of Tfh was significantly decreased in TAFRO- iMCD (n = 9) and was further decreased in TAFRO+ iMCD (n = 18) in comparison to non-specific lymphadenopathy (n = 6) and IgG4-related disease (n = 4). These results suggest that decreased Tfh may be one etiology of iMCD.
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Affiliation(s)
- Nozomu Kurose
- Department of Pathology and Laboratory Medicine, Ishikawa, Japan.
| | - Xin Guo
- Department of Pathology and Laboratory Medicine, Ishikawa, Japan
| | - Akihiro Shioya
- Department of Pathology and Laboratory Medicine, Ishikawa, Japan
| | | | - Motona Kumagai
- Department of Pathology and Laboratory Medicine, Ishikawa, Japan
| | - Shino Fujimoto
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Hiroshi Kawabata
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Yasufumi Masaki
- Department of Hematology and Immunology, Kanazawa Medical University, Ishikawa, Japan
| | - Kazue Takai
- Division of Hematology, Niigata City General Hospital, Niigata, Japan
| | - Sadao Aoki
- Department of Pathophysiology, Faculty of Pharmaceutical Sciences, Niigata University of Pharmacy and Applied Life Sciences, Niigata, Japan
| | - Shigeo Nakamura
- Department of Pathology and Biological Response, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Sohsuke Yamada
- Department of Pathology and Laboratory Medicine, Ishikawa, Japan
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38
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Durand M, Walter T, Pirnay T, Naessens T, Gueguen P, Goudot C, Lameiras S, Chang Q, Talaei N, Ornatsky O, Vassilevskaia T, Baulande S, Amigorena S, Segura E. Human lymphoid organ cDC2 and macrophages play complementary roles in T follicular helper responses. J Exp Med 2019; 216:1561-1581. [PMID: 31072818 PMCID: PMC6605753 DOI: 10.1084/jem.20181994] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 03/05/2019] [Accepted: 04/16/2019] [Indexed: 01/05/2023] Open
Abstract
CD4+ T follicular helper (Tfh) cells are essential for inducing efficient humoral responses. T helper polarization is classically orientated by dendritic cells (DCs), which are composed of several subpopulations with distinct functions. Whether human DC subsets display functional specialization for Tfh polarization remains unclear. Here we find that tonsil cDC2 and CD14+ macrophages are the best inducers of Tfh polarization. This ability is intrinsic to the cDC2 lineage but tissue dependent for macrophages. We further show that human Tfh cells comprise two effector states producing either IL-21 or CXCL13. Distinct mechanisms drive the production of Tfh effector molecules, involving IL-12p70 for IL-21 and activin A and TGFβ for CXCL13. Finally, using imaging mass cytometry, we find that tonsil CD14+ macrophages localize in situ in the B cell follicles, where they can interact with Tfh cells. Our results indicate that human lymphoid organ cDC2 and macrophages play complementary roles in the induction of Tfh responses.
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Affiliation(s)
- Mélanie Durand
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
- Université Paris Descartes, Paris, France
| | - Thomas Walter
- Mines ParisTech, Paris-Sciences-et-Lettres Research University, Center for Computational Biology, Paris, France
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U900, Paris, France
| | - Tiphène Pirnay
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
| | - Thomas Naessens
- Target and Translational Science, Respiratory, Inflammation and Autoimmunity, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Gothenburg, Sweden
| | - Paul Gueguen
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
- Université Paris Descartes, Paris, France
| | - Christel Goudot
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
| | - Sonia Lameiras
- Institut Curie, Paris-Sciences-et-Lettres Research University, Next Generation Sequencing Platform, Paris, France
| | | | | | | | | | - Sylvain Baulande
- Institut Curie, Paris-Sciences-et-Lettres Research University, Next Generation Sequencing Platform, Paris, France
| | - Sebastian Amigorena
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
| | - Elodie Segura
- Institut Curie, Paris-Sciences-et-Lettres Research University, Institut National de la Santé et de la Recherche Médicale, U932, Paris, France
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Hill DL, Pierson W, Bolland DJ, Mkindi C, Carr EJ, Wang J, Houard S, Wingett SW, Audran R, Wallin EF, Jongo SA, Kamaka K, Zand M, Spertini F, Daubenberger C, Corcoran AE, Linterman MA. The adjuvant GLA-SE promotes human Tfh cell expansion and emergence of public TCRβ clonotypes. J Exp Med 2019; 216:1857-1873. [PMID: 31175140 PMCID: PMC6683991 DOI: 10.1084/jem.20190301] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 04/08/2019] [Accepted: 05/14/2019] [Indexed: 11/09/2022] Open
Abstract
A rational strategy to achieve optimal vaccine responses is to potentiate Tfh cells and the germinal center response. This work shows the adjuvant GLA-SE enhances circulating Tfh cells and enduring antibody responses to a malaria vaccine in Tanzanian adults. The generation of protective humoral immunity after vaccination relies on the productive interaction between antigen-specific B cells and T follicular helper (Tfh) cells. Despite the central role of Tfh cells in vaccine responses, there is currently no validated way to enhance their differentiation in humans. From paired human lymph node and blood samples, we identify a population of circulating Tfh cells that are transcriptionally and clonally similar to germinal center Tfh cells. In a clinical trial of vaccine formulations, circulating Tfh cells were expanded in Tanzanian volunteers when an experimental malaria vaccine was adjuvanted in GLA-SE but not when formulated in Alum. The GLA-SE–formulated peptide was associated with an increase in the extrafollicular antibody response, long-lived antibody production, and the emergence of public TCRβ clonotypes in circulating Tfh cells. We demonstrate that altering vaccine adjuvants is a rational approach for enhancing Tfh cells in humans, thereby supporting the long-lived humoral immunity that is required for effective vaccines.
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Affiliation(s)
- Danika L Hill
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK
| | - Wim Pierson
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK
| | - Daniel J Bolland
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK
| | | | - Edward J Carr
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK.,Department of Medicine, University of Cambridge, Cambridge, UK
| | - Jiong Wang
- Division of Nephrology, Department of Medicine and Clinical and Translational Science Institute, University of Rochester Medical Center, Rochester, NY
| | | | - Steven W Wingett
- Babraham Bioinformatics Facility, Babraham Institute, Cambridge, UK
| | - Regine Audran
- Division of Immunology and Allergy, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | | | | | | | - Martin Zand
- Division of Nephrology, Department of Medicine and Clinical and Translational Science Institute, University of Rochester Medical Center, Rochester, NY
| | - Francois Spertini
- Division of Immunology and Allergy, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Claudia Daubenberger
- Swiss Tropical and Public Health Institute, Basel, Switzerland.,University of Basel, Switzerland
| | - Anne E Corcoran
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK
| | - Michelle A Linterman
- Laboratory of Lymphocyte Signalling and Development, Babraham Institute, Cambridge, UK
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40
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Crotty S. T Follicular Helper Cell Biology: A Decade of Discovery and Diseases. Immunity 2019; 50:1132-1148. [PMID: 31117010 PMCID: PMC6532429 DOI: 10.1016/j.immuni.2019.04.011] [Citation(s) in RCA: 898] [Impact Index Per Article: 179.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/16/2019] [Accepted: 04/25/2019] [Indexed: 01/09/2023]
Abstract
Helping B cells and antibody responses is a major function of CD4+ T cells. It has been 10 years since the publication of Bcl6 as the lineage-defining transcription factor for T follicular helper (Tfh) differentiation and the requirement of Tfh cells as the specialized subset of CD4+ T cells needed for germinal centers (the microanatomical sites of B cell mutation and antibody affinity maturation) and related B cell responses. A great deal has been learned about Tfh cells in the past 10 years, particularly regarding their roles in a surprising range of diseases. Advances in the understanding of Tfh cell differentiation and function are discussed, as are the understanding of Tfh cells in infectious diseases, vaccines, autoimmune diseases, allergies, atherosclerosis, organ transplants, and cancer. This includes discussion of Tfh cells in the human immune system. Based on the discoveries to date, the next decade of Tfh research surely holds many more surprises. VIDEO ABSTRACT.
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Affiliation(s)
- Shane Crotty
- Division of Vaccine Discovery, La Jolla Institute for Immunology (LJI), La Jolla, CA 92037, USA; Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery (Scripps CHAVI-ID), Scripps Research, La Jolla, CA 92037, USA; Department of Medicine, University of California, San Diego, La Jolla, CA 92037, USA.
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41
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Jiang W, Wragg KM, Tan HX, Kelly HG, Wheatley AK, Kent SJ, Juno JA. Identification of murine antigen-specific T follicular helper cells using an activation-induced marker assay. J Immunol Methods 2019; 467:48-57. [DOI: 10.1016/j.jim.2019.02.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/20/2019] [Accepted: 02/21/2019] [Indexed: 01/04/2023]
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42
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Fonseca VR, Ribeiro F, Graca L. T follicular regulatory (Tfr) cells: Dissecting the complexity of Tfr‐cell compartments. Immunol Rev 2019; 288:112-127. [DOI: 10.1111/imr.12739] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/03/2019] [Accepted: 01/10/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Válter R. Fonseca
- Instituto de Medicina Molecular, Faculdade de MedicinaUniversidade de Lisboa Lisboa Portugal
- Centro Hospitalar Lisboa Norte – Hospital de Santa Maria Lisboa Portugal
| | - Filipa Ribeiro
- Instituto de Medicina Molecular, Faculdade de MedicinaUniversidade de Lisboa Lisboa Portugal
- Instituto Gulbenkian de Ciência Oeiras Portugal
| | - Luis Graca
- Instituto de Medicina Molecular, Faculdade de MedicinaUniversidade de Lisboa Lisboa Portugal
- Instituto Gulbenkian de Ciência Oeiras Portugal
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43
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Bier J, Rao G, Payne K, Brigden H, French E, Pelham SJ, Lau A, Lenthall H, Edwards ESJ, Smart JM, Cole TS, Choo S, Joshi AY, Abraham RS, O'Sullivan M, Boztug K, Meyts I, Gray PE, Berglund LJ, Hsu P, Wong M, Holland SM, Notarangelo LD, Uzel G, Ma CS, Brink R, Tangye SG, Deenick EK. Activating mutations in PIK3CD disrupt the differentiation and function of human and murine CD4 + T cells. J Allergy Clin Immunol 2019; 144:236-253. [PMID: 30738173 DOI: 10.1016/j.jaci.2019.01.033] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 12/21/2018] [Accepted: 01/17/2019] [Indexed: 01/09/2023]
Abstract
BACKGROUND Gain-of-function (GOF) mutations in PIK3CD cause a primary immunodeficiency characterized by recurrent respiratory tract infections, susceptibility to herpesvirus infections, and impaired antibody responses. Previous work revealed defects in CD8+ T and B cells that contribute to this clinical phenotype, but less is understood about the role of CD4+ T cells in disease pathogenesis. OBJECTIVE We sought to dissect the effects of increased phosphoinositide 3-kinase (PI3K) signaling on CD4+ T-cell function. METHODS We performed detailed ex vivo, in vivo, and in vitro phenotypic and functional analyses of patients' CD4+ T cells and a novel murine disease model caused by overactive PI3K signaling. RESULTS PI3K overactivation caused substantial increases in numbers of memory and follicular helper T (TFH) cells and dramatic changes in cytokine production in both patients and mice. Furthermore, PIK3CD GOF human TFH cells had dysregulated phenotype and function characterized by increased programmed cell death protein 1, CXCR3, and IFN-γ expression, the phenotype of a TFH cell subset with impaired B-helper function. This was confirmed in vivo in which Pik3cd GOF CD4+ T cells also acquired an aberrant TFH phenotype and provided poor help to support germinal center reactions and humoral immune responses by antigen-specific wild-type B cells. The increase in numbers of both memory and TFH cells was largely CD4+ T-cell extrinsic, whereas changes in cytokine production and TFH cell function were cell intrinsic. CONCLUSION Our studies reveal that CD4+ T cells with overactive PI3K have aberrant activation and differentiation, thereby providing mechanistic insight into dysfunctional antibody responses in patients with PIK3CD GOF mutations.
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Affiliation(s)
- Julia Bier
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia
| | - Geetha Rao
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia
| | - Kathryn Payne
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia
| | - Henry Brigden
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; University of Bath, Bath, United Kingdom
| | - Elise French
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; University of Bath, Bath, United Kingdom
| | - Simon J Pelham
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia
| | - Anthony Lau
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia
| | - Helen Lenthall
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia
| | - Emily S J Edwards
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia
| | - Joanne M Smart
- Department of Allergy and Immunology, Royal Children's Hospital Melbourne, Melbourne, Australia
| | - Theresa S Cole
- Department of Allergy and Immunology, Royal Children's Hospital Melbourne, Melbourne, Australia
| | - Sharon Choo
- Department of Allergy and Immunology, Royal Children's Hospital Melbourne, Melbourne, Australia
| | - Avni Y Joshi
- Division of Allergy and Immunology, Mayo Clinic Children's Center, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minn
| | - Roshini S Abraham
- Division of Allergy and Immunology, Mayo Clinic Children's Center, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minn; Department of Pathology and Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio
| | - Michael O'Sullivan
- Department of Immunology and Allergy, Princess Margaret Hospital, Subiaco, Australia
| | - Kaan Boztug
- Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria; St Anna Children's Hospital and Children's Cancer Research Institute, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria
| | - Isabelle Meyts
- Department of Immunology and Microbiology, Childhood Immunology, Department of Pediatrics, University Hospitals Leuven and KU Leuven, Leuven, Belgium
| | - Paul E Gray
- School of Women's and Children's Health, University of New South Wales, Sydney, Australia; Clinical Immunogenomics Research Consortia Australia, Sydney, Australia
| | - Lucinda J Berglund
- Clinical Immunogenomics Research Consortia Australia, Sydney, Australia; Immunopathology Department, Westmead Hospital, Westmead, Australia; Faculty of Medicine, University of Sydney, Sydney, Australia
| | - Peter Hsu
- Clinical Immunogenomics Research Consortia Australia, Sydney, Australia; Faculty of Medicine, University of Sydney, Sydney, Australia; Children's Hospital at Westmead, Westmead, Australia
| | - Melanie Wong
- Clinical Immunogenomics Research Consortia Australia, Sydney, Australia; Faculty of Medicine, University of Sydney, Sydney, Australia; Children's Hospital at Westmead, Westmead, Australia
| | - Steven M Holland
- Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Luigi D Notarangelo
- Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Gulbu Uzel
- Laboratory of Clinical Immunology and Microbiology, National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md
| | - Cindy S Ma
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia; Clinical Immunogenomics Research Consortia Australia, Sydney, Australia
| | - Robert Brink
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia; Clinical Immunogenomics Research Consortia Australia, Sydney, Australia
| | - Stuart G Tangye
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia; Clinical Immunogenomics Research Consortia Australia, Sydney, Australia.
| | - Elissa K Deenick
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, Australia; St Vincent's Clinical School, University of New South Wales, Sydney, Australia; Clinical Immunogenomics Research Consortia Australia, Sydney, Australia.
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44
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Yu D, Ye L. A Portrait of CXCR5 + Follicular Cytotoxic CD8 + T cells. Trends Immunol 2018; 39:965-979. [PMID: 30377045 DOI: 10.1016/j.it.2018.10.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 09/18/2018] [Accepted: 10/03/2018] [Indexed: 12/14/2022]
Abstract
CD8+ T cells differentiate into multiple effector and memory subsets to carry out immune clearance of infected and cancerous cells and provide long-term protection. Recent research identified a CXCR5+Tcf1+Tim-3- subset that localizes in, or proximal to, B cell follicles in secondary lymphoid organs of mice, non-human primates, and humans, hereby termed follicular cytotoxic T (TFC) cells. With remarkable similarity to follicular helper T (TFH) cells, TFC differentiation is dependent on transcription factors E2A, Bcl6, and Tcf1, but inhibited by other regulators, including Blimp1, Id2, and Id3. This review summarizes the phenotype, function, and differentiation of this new subset. Owing to its follicular location and self-renewal capability, we propose immunotherapeutic strategies to target TFC cells to potentially treat certain cancers and chronic infections such as HIV-1.
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Affiliation(s)
- Di Yu
- Department of Immunology and Infectious Diseases, The John Curtin School of Medical Research, The Australian National University, Acton, ACT, Australia; Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan, China; China-Australia Centre for Personalised Immunology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.
| | - Lilin Ye
- Institute of Immunology, Third Military Medical University, Chongqing, China.
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45
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Wu H, Deng Y, Zhao M, Zhang J, Zheng M, Chen G, Li L, He Z, Lu Q. Molecular Control of Follicular Helper T cell Development and Differentiation. Front Immunol 2018; 9:2470. [PMID: 30410493 PMCID: PMC6209674 DOI: 10.3389/fimmu.2018.02470] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/05/2018] [Indexed: 01/01/2023] Open
Abstract
Follicular helper T cells (Tfh) are specialized helper T cells that are predominantly located in germinal centers and provide help to B cells. The development and differentiation of Tfh cells has been shown to be regulated by transcription factors, such as B-cell lymphoma 6 protein (Bcl-6), signal transducer and activator of transcription 3 (STAT3) and B lymphocyte-induced maturation protein-1 (Blimp-1). In addition, cytokines, including IL-21, have been found to be important for Tfh cell development. Moreover, several epigenetic modifications have also been reported to be involved in the determination of Tfh cell fate. The regulatory network is complicated, and the number of novel molecules demonstrated to control the fate of Tfh cells is increasing. Therefore, this review aims to summarize the current knowledge regarding the molecular regulation of Tfh cell development and differentiation at the protein level and at the epigenetic level to elucidate Tfh cell biology and provide potential targets for clinical interventions in the future.
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Affiliation(s)
- Haijing Wu
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Yaxiong Deng
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China.,Immunology Section, Lund University, Lund, Sweden
| | - Ming Zhao
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
| | - Jianzhong Zhang
- Department of Dermatology, Peking University People's Hospital, Beijing, China
| | - Min Zheng
- Department of Dermatology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Genghui Chen
- Beijing Wenfeng Tianji Pharmaceuticals Ltd., Beijing, China
| | - Linfeng Li
- Department of Dermatology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Zhibiao He
- Department of Emergency, Second Xiangya Hospital of Central South University, Changsha, China
| | - Qianjin Lu
- Hunan Key Laboratory of Medical Epigenomics, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
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Petersone L, Edner NM, Ovcinnikovs V, Heuts F, Ross EM, Ntavli E, Wang CJ, Walker LSK. T Cell/B Cell Collaboration and Autoimmunity: An Intimate Relationship. Front Immunol 2018; 9:1941. [PMID: 30210496 PMCID: PMC6119692 DOI: 10.3389/fimmu.2018.01941] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 08/06/2018] [Indexed: 12/17/2022] Open
Abstract
Co-ordinated interaction between distinct cell types is a hallmark of successful immune function. A striking example of this is the carefully orchestrated cooperation between helper T cells and B cells that occurs during the initiation and fine-tuning of T-cell dependent antibody responses. While these processes have evolved to permit rapid immune defense against infection, it is becoming increasingly clear that such interactions can also underpin the development of autoimmunity. Here we discuss a selection of cellular and molecular pathways that mediate T cell/B cell collaboration and highlight how in vivo models and genome wide association studies link them with autoimmune disease. In particular, we emphasize how CTLA-4-mediated regulation of CD28 signaling controls the engagement of secondary costimulatory pathways such as ICOS and OX40, and profoundly influences the capacity of T cells to provide B cell help. While our molecular understanding of the co-operation between T cells and B cells derives from analysis of secondary lymphoid tissues, emerging evidence suggests that subtly different rules may govern the interaction of T and B cells at ectopic sites during autoimmune inflammation. Accordingly, the phenotype of the T cells providing help at these sites includes notable distinctions, despite sharing core features with T cells imparting help in secondary lymphoid tissues. Finally, we highlight the interdependence of T cell and B cell responses and suggest that a significant beneficial impact of B cell depletion in autoimmune settings may be its detrimental effect on T cells engaged in molecular conversation with B cells.
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Affiliation(s)
| | | | | | | | | | | | | | - Lucy S. K. Walker
- Division of Infection and Immunity, Institute of Immunity and Transplantation, University College London, London, United Kingdom
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Rao DA. T Cells That Help B Cells in Chronically Inflamed Tissues. Front Immunol 2018; 9:1924. [PMID: 30190721 PMCID: PMC6115497 DOI: 10.3389/fimmu.2018.01924] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 08/06/2018] [Indexed: 12/24/2022] Open
Abstract
Chronically inflamed tissues commonly accrue lymphocyte aggregates that facilitate local T cell-B cell interactions. These aggregates can range from small, loosely arranged lymphocyte clusters to large, organized ectopic lymphoid structures. In some cases, ectopic lymphoid structures develop germinal centers that house prototypical T follicular helper (Tfh) cells with high expression of Bcl6, CXCR5, PD-1, and ICOS. However, in many chronically inflamed tissues, the T cells that interact with B cells show substantial differences from Tfh cells in their surface phenotypes, migratory capacity, and transcriptional regulation. This review discusses observations from multiple diseases and models in which tissue-infiltrating T cells produce factors associated with B cell help, including IL-21 and the B cell chemoattractant CXCL13, yet vary dramatically in their resemblance to Tfh cells. Particular attention is given to the PD-1hi CXCR5− Bcl6low T peripheral helper (Tph) cell population in rheumatoid arthritis, which infiltrates inflamed synovium through expression of chemokine receptors such as CCR2 and augments synovial B cell responses via CXCL13 and IL-21. The factors that regulate CD4+ T cell production of CXCL13 and IL-21 in these settings are also discussed. Understanding the range of T cell populations that can provide help to B cells within chronically inflamed tissues is essential to recognize these cells in diverse inflammatory conditions and to optimize either broad or selective therapeutic targeting of B cell-helper T cells.
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Affiliation(s)
- Deepak A Rao
- Division of Rheumatology, Immunology, Allergy, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
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48
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Fukuchi K, Shimauchi T, Tatsuno K, Tokura Y. Induction of plasmablasts by follicular helper T cell-CXCL13 axis upon occurrence of herpes zoster. Clin Immunol 2018; 195:93-100. [PMID: 30118865 DOI: 10.1016/j.clim.2018.08.003] [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: 04/18/2018] [Revised: 07/12/2018] [Accepted: 08/13/2018] [Indexed: 10/28/2022]
Abstract
Herpes zoster (HZ) is a recurrent varicella zoster virus (VZV) infection. Follicular helper T (Tfh) cells produce IL-21 and CXCL13, which contributes to the differentiation of plasmablasts. Plasmablasts are involved in the VZV-specific antibody production. We investigated the kinetics of circulating plasmablasts and circulating Tfh (cTfh) cells in 43 HZ patients. Plasma IL-21 and CXCL13 levels were also measured. We found an increase of circulating plasmablasts during the clinical course of HZ. The frequency of circulating plasmablasts positively correlated with VZV-specific IgG titers, frequency of activated cTfh cells, and plasma CXCL13 levels, but did not correlate with plasma IL-21 levels. In a representative case, the kinetics peaked in the order of cTfh cells, CXCL13, plasmablasts, and VZV IgG titer. These results suggest that cTfh-CXCL13 may have a crucial role in the differentiation of B cells into VZV-specific IgG-producing plasmablasts, resulting in boosting immunity against VZV reactivation.
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Affiliation(s)
- Kensuke Fukuchi
- Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Takatoshi Shimauchi
- Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Kazuki Tatsuno
- Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan
| | - Yoshiki Tokura
- Department of Dermatology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu 431-3192, Japan.
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Qin L, Waseem TC, Sahoo A, Bieerkehazhi S, Zhou H, Galkina EV, Nurieva R. Insights Into the Molecular Mechanisms of T Follicular Helper-Mediated Immunity and Pathology. Front Immunol 2018; 9:1884. [PMID: 30158933 PMCID: PMC6104131 DOI: 10.3389/fimmu.2018.01884] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 07/31/2018] [Indexed: 12/18/2022] Open
Abstract
T follicular helper (Tfh) cells play key role in providing help to B cells during germinal center (GC) reactions. Generation of protective antibodies against various infections is an important aspect of Tfh-mediated immune responses and the dysregulation of Tfh cell responses has been implicated in various autoimmune disorders, inflammation, and malignancy. Thus, their differentiation and maintenance must be closely regulated to ensure appropriate help to B cells. The generation and function of Tfh cells is regulated by multiple checkpoints including their early priming stage in T zones and throughout the effector stage of differentiation in GCs. Signaling pathways activated downstream of cytokine and costimulatory receptors as well as consequent activation of subset-specific transcriptional factors are essential steps for Tfh cell generation. Thus, understanding the mechanisms underlying Tfh cell-mediated immunity and pathology will bring into spotlight potential targets for novel therapies. In this review, we discuss the recent findings related to the molecular mechanisms of Tfh cell differentiation and their role in normal immune responses and antibody-mediated diseases.
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Affiliation(s)
- Lei Qin
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, United States.,School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Tayab C Waseem
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Anupama Sahoo
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Shayahati Bieerkehazhi
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Hong Zhou
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Elena V Galkina
- Department of Microbiology and Molecular Cell Biology, Eastern Virginia Medical School, Norfolk, VA, United States
| | - Roza Nurieva
- Department of Immunology, University of Texas MD Anderson Cancer Center, Houston, TX, United States
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50
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Kim SJ, Lee K, Diamond B. Follicular Helper T Cells in Systemic Lupus Erythematosus. Front Immunol 2018; 9:1793. [PMID: 30123218 PMCID: PMC6085416 DOI: 10.3389/fimmu.2018.01793] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Accepted: 07/20/2018] [Indexed: 01/01/2023] Open
Abstract
CD4+ follicular helper T (Tfh) cells constitute a subset of effector T cells that participate in the generation of high-affinity humoral responses. They express the chemokine receptor CXCR5 and produce the cytokine IL-21, both of which are required for their contribution to germinal center formation. Uncontrolled expansion of Tfh cells is observed in various mouse models of systemic autoimmune diseases and in patients with these diseases. In particular, the frequency of circulating Tfh is correlated with disease activity and anti-DNA antibody titer in patients with systemic lupus erythematosus. Recent studies reveal functional diversity within the Tfh population in both humans and mice. We will summarize here the molecular mechanisms for Tfh cell generation, survival and function in both humans and mice, and the relationship between Tfh cells and autoimmune disease in animal models and in patients.
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Affiliation(s)
- Sun Jung Kim
- The Feinstein Institute for Medical Research, Northwell Health, New York, NY, United States
| | - Kyungwoo Lee
- The Feinstein Institute for Medical Research, Northwell Health, New York, NY, United States
| | - Betty Diamond
- The Feinstein Institute for Medical Research, Northwell Health, New York, NY, United States
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