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M. S. Barron A, Fabre T, De S. Distinct fibroblast functions associated with fibrotic and immune-mediated inflammatory diseases and their implications for therapeutic development. F1000Res 2024; 13:54. [PMID: 38681509 PMCID: PMC11053351 DOI: 10.12688/f1000research.143472.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/28/2023] [Indexed: 05/01/2024] Open
Abstract
Fibroblasts are ubiquitous cells that can adopt many functional states. As tissue-resident sentinels, they respond to acute damage signals and shape the earliest events in fibrotic and immune-mediated inflammatory diseases. Upon sensing an insult, fibroblasts produce chemokines and growth factors to organize and support the response. Depending on the size and composition of the resulting infiltrate, these activated fibroblasts may also begin to contract or relax thus changing local stiffness within the tissue. These early events likely contribute to the divergent clinical manifestations of fibrotic and immune-mediated inflammatory diseases. Further, distinct changes to the cellular composition and signaling dialogue in these diseases drive progressive fibroblasts specialization. In fibrotic diseases, fibroblasts support the survival, activation and differentiation of myeloid cells, granulocytes and innate lymphocytes, and produce most of the pathogenic extracellular matrix proteins. Whereas, in immune-mediated inflammatory diseases, sequential accumulation of dendritic cells, T cells and B cells programs fibroblasts to support local, destructive adaptive immune responses. Fibroblast specialization has clear implications for the development of effective induction and maintenance therapies for patients with these clinically distinct diseases.
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Affiliation(s)
- Alexander M. S. Barron
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Thomas Fabre
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
| | - Saurav De
- Inflammation & Immunology Research Unit, Pfizer, Inc., Cambridge, Massachusetts, 02139, USA
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2
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Yang KY, Liao J, Ma Z, Tse HF, Lu L, Graca L, Lui KO. Single-cell transcriptomics of Treg reveals hallmarks and trajectories of immunological aging. J Leukoc Biol 2024; 115:19-35. [PMID: 37675661 DOI: 10.1093/jleuko/qiad104] [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: 02/02/2023] [Revised: 07/25/2023] [Accepted: 08/09/2023] [Indexed: 09/08/2023] Open
Abstract
Age-related immunosenescence is characterized by progressive dysfunction of adaptive immune response and increased autoimmunity. Nevertheless, the impact of aging on CD4+ regulatory T cells that are master regulators of the immune system remains largely unclear. Here, we report cellular and molecular hallmarks of regulatory T cells derived from murine lymphoid and adipose tissues at 3, 18, and 24 mo of age, respectively, by analyzing their heterogeneity that displays dynamic changes in transcriptomic effector signatures at a single-cell resolution. Although the proportion of regulatory T cells among total Cd4+ T cells, as well as their expression levels of Foxp3, did not show any global change with time, we have identified 6 transcriptomically distinct clusters of regulatory T cells with cross-tissue conserved hallmarks of aging, including increased numbers of proinflammatory regulatory T cells, reduced precursor cells, increased immature and mature T follicular regulatory cells potentially supported by a metabolic switch from oxidative phosphorylation to glycolysis, a gradual loss of CD150hi regulatory T cells that support hematopoiesis, and increased adipose tissue-specific regulatory T cells that are associated with metabolic disease. To dissect the impact of immunosenescence on humoral immunity, we propose some potential mechanisms underlying T follicular regulatory cell-mediated dysfunction by interactome analysis on T follicular regulatory cells, T follicular helper cells, and B cells during aging. Lastly, spatiotemporal analysis further revealed trajectories of regulatory T-cell aging that demonstrate the most significant changes in marrow and adipose tissues that might contribute to the development of age-related immunosenescence and type 2 diabetes. Taken together, our findings could provide a better understanding of age-associated regulatory T-cell heterogeneity in lymphoid and adipose tissues, as well as regulatory T-cell hallmarks during progressive adaptation to aging that could be therapeutically targeted for rejuvenating the aging immune system in the future.
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Affiliation(s)
- Kevin Y Yang
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, N.T., Hong Kong, China
- Division of Cardiology, Queen Mary Hospital, The University of Hong Kong, 102 Pok Fu Lam Road, Hong Kong, China
| | - Jinyue Liao
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, N.T., Hong Kong, China
| | - Zhangjing Ma
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, N.T., Hong Kong, China
| | - Hung Fat Tse
- Division of Cardiology, Queen Mary Hospital, The University of Hong Kong, 102 Pok Fu Lam Road, Hong Kong, China
| | - Liwei Lu
- Department of Pathology, Queen Mary Hospital, The University of Hong Kong, 102 Pok Fu Lam Road, Hong Kong, China
| | - Luis Graca
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Edifício Egas Moniz, Avenida Professor Egas Moniz, 1649-028 Lisboa, Portugal
| | - Kathy O Lui
- Department of Chemical Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, N.T., Hong Kong, China
- Li Ka Shing Institute of Health Science, Prince of Wales Hospital, The Chinese University of Hong Kong, 30-32 Ngan Shing Street, Shatin, N.T., Hong Kong, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, No. 10 2nd Yuexin Road, Nanshan District, Shenzhen, China
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3
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Schneider M, Allman A, Maillard I. Regulation of immune cell development, differentiation and function by stromal Notch ligands. Curr Opin Cell Biol 2023; 85:102256. [PMID: 37806295 PMCID: PMC10873072 DOI: 10.1016/j.ceb.2023.102256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/23/2023] [Accepted: 09/10/2023] [Indexed: 10/10/2023]
Abstract
In multicellular organisms, cell-to-cell communication is critical for the regulation of tissue organization. Notch signaling relies on direct interactions between Notch receptors on signal-receiving cells and Notch ligands on adjacent cells. Notch evolved to mediate local cellular interactions that are responsive to spatial cues via dosage-sensitive short-lived signals. Immune cells utilize these unique properties of Notch signaling to direct their development, differentiation, and function. In this review, we explore how immune cells interact through Notch receptors with stromal cells in specialized niches of lymphohematopoietic organs that express Notch-activating ligands. We emphasize factors that control these interactions and focus on how Notch signals communicate spatial, quantitative, and temporal information to program the function of signal-receiving cells in the immune system.
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Affiliation(s)
- Michael Schneider
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Anneka Allman
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Ivan Maillard
- Division of Hematology/Oncology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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4
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Xu L, Liu M, Lian J, Li E, Dongmin C, Li X, Wang W. A prognostic nomogram for predicting recurrence-free survival of stage I-III colon cancer based on immune-infiltrating Treg-related genes. J Cancer Res Clin Oncol 2023; 149:13523-13543. [PMID: 37498396 PMCID: PMC10590341 DOI: 10.1007/s00432-023-05187-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 07/13/2023] [Indexed: 07/28/2023]
Abstract
PURPOSE A high postoperative recurrence rate seriously impedes colon cancer (CC) patients from achieving long-term survival. Here, we aimed to develop a Treg-related classifier that can help predict recurrence-free survival (RFS) and therapy benefits of stage I-III colon cancer. METHODS A Treg-related prognostic classifier was built through a variety of bioinformatic methods, whose performance was assessed by KM survival curves, time-dependent receiver operating characteristic (tROC), and Harrell's concordance index (C-index). A prognostic nomogram was generated using this classifier and other traditional clinical parameters. Moreover, the predictive values of this classifier for immunotherapy and chemotherapy therapeutic efficacy were tested using multiple immunotherapy sets and R package "pRRophetic". RESULTS A nine Treg-related classifier categorized CC patients into high- and low-risk groups with distinct RFS in the multiple datasets (all p < 0.05). The AUC values of 5-year RFS were 0.712, 0.588, 0.669, and 0.662 in the training, 1st, 2nd, and entire validation sets, respectively. Furthermore, this classifier was identified as an independent predictor of RFS. Finally, a nomogram combining this classifier and three clinical variables was generated, the analysis of tROC, C-index, calibration curves, and the comparative analysis with other signatures confirmed its predictive performance. Moreover, KM analysis exhibited an obvious discrepancy in the subgroups, especially in different TNM stages and with adjuvant chemotherapy. We detected the difference between the two risk subsets of immune cell sub-population and the response to immunotherapy and chemotherapy. CONCLUSIONS We built a robust Treg-related classifier and generated a prognostic nomogram that predicts recurrence-free survival in stage I-III colon cancer that can identify high-risk patients for more personalized and effective therapy.
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Affiliation(s)
- Longwen Xu
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Mengjie Liu
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jie Lian
- Department of General Surgery, The First Affiliated Hospital of Xian Jiaotong University, Xi'an, Shaanxi, China
- Department of Pathology, The First Affiliated Hospital of Xian Jiaotong University, Xi'an, Shaanxi, China
| | - Enmeng Li
- Department of General Surgery, The First Affiliated Hospital of Xian Jiaotong University, Xi'an, Shaanxi, China
| | - Chang Dongmin
- Department of Surgical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Xuqi Li
- Department of General Surgery, The First Affiliated Hospital of Xian Jiaotong University, Xi'an, Shaanxi, China.
| | - Wenjuan Wang
- Department of Medical Oncology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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5
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Carty SA, Murga-Zamalloa CA, Wilcox RA. SOHO State of the Art Updates and Next Questions | New Pathways and New Targets in PTCL: Staying on Target. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2023; 23:561-574. [PMID: 37142534 PMCID: PMC10565700 DOI: 10.1016/j.clml.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/05/2023] [Accepted: 04/16/2023] [Indexed: 05/06/2023]
Abstract
While the peripheral T-cell lymphomas (PTCL) remain a therapeutic challenge, and increasingly account for a disproportionate number of lymphoma-related deaths, improved understanding of disease pathogenesis and classification, and the development of novel therapeutic agents over the past decade, all provide reasons for a more optimistic outlook in the next. Despite their genetic and molecular heterogeneity, many PTCL are dependent upon signaling input provided by antigen, costimulatory, and cytokine receptors. While gain-of-function alterations effecting these pathways are recurrently observed in many PTCL, more often than not, signaling remains ligand-and tumor microenvironment (TME)-dependent. Consequently, the TME and its constituents are increasingly recognized as "on target". Utilizing a "3 signal" model, we will review new-and old-therapeutic targets that are relevant for the more common nodal PTCL subtypes.
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Affiliation(s)
- Shannon A Carty
- Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan, Ann Arbor, MI
| | | | - Ryan A Wilcox
- Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan, Ann Arbor, MI.
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6
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Bao K, Isik Can U, Miller MM, Brown IK, Dell'Aringa M, Dooms H, Seibold MA, Scott-Browne J, Lee Reinhardt R. A bifurcated role for c-Maf in Th2 and Tfh2 cells during helminth infection. Mucosal Immunol 2023; 16:357-372. [PMID: 37088263 PMCID: PMC10290510 DOI: 10.1016/j.mucimm.2023.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/03/2023] [Accepted: 04/13/2023] [Indexed: 04/25/2023]
Abstract
Differences in transcriptomes, transcription factor usage, and function have identified T follicular helper 2 (Tfh2) cells and T helper 2 (Th2) cells as distinct clusters of differentiation 4+",(CD4) T-cell subsets in settings of type-2 inflammation. Although the transcriptional programs driving Th2 cell differentiation and cytokine production are well defined, dependence on these classical Th2 programs by Tfh2 cells is less clear. Using cytokine reporter mice in combination with transcription factor inference analysis, the b-Zip transcription factor c-Maf and its targets were identified as an important regulon in both Th2 and Tfh2 cells. Conditional deletion of c-Maf in T cells confirmed its importance in type-2 cytokine expression by Th2 and Tfh2 cells. However, while c-Maf was not required for Th2-driven helminth clearance or lung eosinophilia, it was required for Tfh2-driven Immunoglobulin E production and germinal center formation. This differential regulation of cell-mediated and humoral immunity by c-Maf was a result of redundant pathways in Th2 cells that were absent in Tfh2 cells, and c-Maf-specific mechanisms in Tfh2 cells that were absent in Th2 cells. Thus, despite shared expression by Tfh2 and Th2 cells, c-Maf serves as a unique regulator of Tfh2-driven humoral hallmarks during type-2 immunity.
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Affiliation(s)
- Katherine Bao
- Department of Immunology, Duke University Medical Center, Durham, USA
| | - Uryan Isik Can
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA
| | - Mindy M Miller
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA
| | - Ivy K Brown
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA
| | - Mark Dell'Aringa
- Department of Immunology, Duke University Medical Center, Durham, USA; Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA
| | - Hans Dooms
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA; Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Max A Seibold
- Center for Genes, Environment, and Health, National Jewish Health, Denver, USA; Department of Pediatrics, National Jewish Health, Denver, USA; Division of Pulmonary Sciences and Critical Care Medicine, University of Colorado School of Medicine, Aurora, USA
| | - James Scott-Browne
- Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA; Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, USA
| | - Richard Lee Reinhardt
- Department of Immunology, Duke University Medical Center, Durham, USA; Department of Immunology and Genomic Medicine, National Jewish Health, Denver, USA; Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, USA.
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7
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Wilkens AB, Fulton EC, Pont MJ, Cole GO, Leung I, Stull SM, Hart MR, Bernstein ID, Furlan SN, Riddell SR. NOTCH1 signaling during CD4+ T-cell activation alters transcription factor networks and enhances antigen responsiveness. Blood 2022; 140:2261-2275. [PMID: 35605191 PMCID: PMC9837446 DOI: 10.1182/blood.2021015144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 05/09/2022] [Indexed: 01/21/2023] Open
Abstract
Adoptive transfer of T cells expressing chimeric antigen receptors (CAR-T) effectively treats refractory hematologic malignancies in a subset of patients but can be limited by poor T-cell expansion and persistence in vivo. Less differentiated T-cell states correlate with the capacity of CAR-T to proliferate and mediate antitumor responses, and interventions that limit tumor-specific T-cell differentiation during ex vivo manufacturing enhance efficacy. NOTCH signaling is involved in fate decisions across diverse cell lineages and in memory CD8+ T cells was reported to upregulate the transcription factor FOXM1, attenuate differentiation, and enhance proliferation and antitumor efficacy in vivo. Here, we used a cell-free culture system to provide an agonistic NOTCH1 signal during naïve CD4+ T-cell activation and CAR-T production and studied the effects on differentiation, transcription factor expression, cytokine production, and responses to tumor. NOTCH1 agonism efficiently induced a stem cell memory phenotype in CAR-T derived from naïve but not memory CD4+ T cells and upregulated expression of AhR and c-MAF, driving heightened production of interleukin-22, interleukin-10, and granzyme B. NOTCH1-agonized CD4+ CAR-T demonstrated enhanced antigen responsiveness and proliferated to strikingly higher frequencies in mice bearing human lymphoma xenografts. NOTCH1-agonized CD4+ CAR-T also provided superior help to cotransferred CD8+ CAR-T, driving improved expansion and curative antitumor responses in vivo at low CAR-T doses. Our data expand the mechanisms by which NOTCH can shape CD4+ T-cell behavior and demonstrate that activating NOTCH1 signaling during genetic modification ex vivo is a potential strategy for enhancing the function of T cells engineered with tumor-targeting receptors.
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Affiliation(s)
- Alec B. Wilkens
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Molecular and Cellular Biology, University of Washington, Seattle, WA
| | - Elena C. Fulton
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Margot J. Pont
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Gabriel O. Cole
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Isabel Leung
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Sylvia M. Stull
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Matthew R. Hart
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Irwin D. Bernstein
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Scott N. Furlan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Stanley R. Riddell
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA
- Molecular and Cellular Biology, University of Washington, Seattle, WA
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8
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The role of A Disintegrin and Metalloproteinase (ADAM)-10 in T helper cell biology. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119192. [PMID: 34982961 DOI: 10.1016/j.bbamcr.2021.119192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022]
Abstract
A Disintegrin and Metalloproteinases (ADAM)-10 is a member of a family of membrane-anchored proteinases that regulate a broad range of cellular functions with central roles within the immune system. This has spurred the interest to modulate ADAM activity therapeutically in immunological diseases. CD4 T helper (Th) cells are the key regulators of adaptive immune responses. Their development and function is strongly dependent on Notch, a key ADAM-10 substrate. However, Th cells rely on a variety of additional ADAM-10 substrates regulating their functional activity at multiple levels. The complexity of both, the ADAM substrate expression as well as the functional consequences of ADAM-mediated cleavage of the various substrates complicates the analysis of cell type specific effects. Here we provide an overview on the major ADAM-10 substrates relevant for CD4 T cell biology and discuss the potential effects of ADAM-mediated cleavage exemplified for a selection of important substrates.
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9
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Kubo M. The role of IL-4 derived from T follicular helper cells and TH2 cells. Int Immunol 2021; 33:717-722. [PMID: 34628505 DOI: 10.1093/intimm/dxab080] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 10/06/2021] [Indexed: 11/15/2022] Open
Abstract
IL-4 is known to be the quintessential regulatory cytokine, playing a role in a vast number of immune and non-immune functions. This cytokine is commonly secreted by TH2 cells and follicular helper T (TFH) cells after antigenic sensitization. TH2 cells have been classically thought to be the major contributor to B cell help as a source of IL-4 responsible for class-switch recombination to Immunoglobulin G1 (IgG1) in mice (IgG4 in humans) and to IgE in mice and humans. Recent in vivo observations have shown that IgE and IgG1 antibody responses are mainly controlled by IL-4-secreting TFH cells but not by classical TH2 cells. IL-4 is distinctively regulated in these two T cell subsets by the GATA-3-mediated HS2 enhancer in TH2 cells and the Notch-mediated CNS-2 enhancer in TFH cells. Moreover, the IL-4 derived from TFH cells has an essential role in germinal center (GC) formation in the secondary lymphoid organs during humoral immune responses.
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Affiliation(s)
- Masato Kubo
- Division of Molecular Pathology, Research Institute for Biomedical Science, Tokyo University of Science, 2669 Yamazaki, Noda-shi, Chiba, 278-0022, Japan.,Laboratory for Cytokine Regulation, Research Center for Integrative Medical Science (IMS), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
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10
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Cui D, Tang Y, Jiang Q, Jiang D, Zhang Y, Lv Y, Xu D, Wu J, Xie J, Wen C, Lu L. Follicular Helper T Cells in the Immunopathogenesis of SARS-CoV-2 Infection. Front Immunol 2021; 12:731100. [PMID: 34603308 PMCID: PMC8481693 DOI: 10.3389/fimmu.2021.731100] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/01/2021] [Indexed: 12/21/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a serious infectious disease that has led to a global pandemic with high morbidity and mortality. High-affinity neutralizing antibody is important for controlling infection, which is closely regulated by follicular helper T (Tfh) cells. Tfh cells play a central role in promoting germinal center reactions and driving cognate B cell differentiation for antibody secretion. Available studies indicate a close relationship between virus-specific Tfh cell-mediated immunity and SARS-CoV-2 infection progression. Although several lines of evidence have suggested that Tfh cells contribute to the control of SARS-CoV-2 infection by eliciting neutralizing antibody productions, further studies are needed to elucidate Tfh-mediated effector mechanisms in anti-SARS-CoV-2 immunity. Here, we summarize the functional features and roles of virus-specific Tfh cells in the immunopathogenesis of SARS-CoV-2 infection and in COVID-19 vaccines, and highlight the potential of targeting Tfh cells as therapeutic strategy against SARS-CoV-2 infection.
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Affiliation(s)
- Dawei Cui
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuan Tang
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, Hong Kong, SAR China.,Chongqing International Institute for Immunology, Chongqing, China
| | - Qi Jiang
- Department of Blood Transfusion, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Daixi Jiang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yun Zhang
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yan Lv
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dandan Xu
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jian Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jue Xie
- Department of Blood Transfusion, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chengping Wen
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Liwei Lu
- Department of Pathology and Shenzhen Institute of Research and Innovation, The University of Hong Kong, Hong Kong, Hong Kong, SAR China.,Chongqing International Institute for Immunology, Chongqing, China
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11
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Yazawa M, Hosokawa H, Koizumi M, Hirano KI, Imai J, Hozumi K. Notch signaling supports the appearance of follicular helper T cells in the Peyer's patches concomitantly with the reduction of regulatory T cells. Int Immunol 2021; 33:469-478. [PMID: 34147033 DOI: 10.1093/intimm/dxab032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 06/16/2021] [Indexed: 12/22/2022] Open
Abstract
The intracellular fragment of Notch1, a mediator of Notch signaling that is frequently detected in thymic immigrants, is critical for specifying T cell fate in the thymus, where Delta-like 4 (Dll4) functions as a Notch ligand on the epithelium. However, as such Notch signaling has not been detected in mature T cells, how Notch signaling contributes to their response in secondary lymphoid organs has not yet been fully defined. Here, we detected the marked expression of Dll4 on the stromal cells and the active fragment of Notch1 (Notch1 intracellular domain, N1ICD) in CD4 + T cells in the follicle of Peyer's patches (PPs). In addition, N1ICD-bearing T cells were also found in the T-cell zone of PP, especially in the transcription factor Foxp3 + regulatory T (Treg) cells, with slight expression of Dll4 on the stromal cells. These fragments disappeared in Dll4-deficient conditions. It was also found that Notch1- and Notch2-deficient T cells preferentially differentiated into Treg cells in PPs, but not CXCR5 +PD-1 + follicular helper T (Tfh) cells. Moreover, these phenotypes were also observed in chimeric mice reconstituted with the control and T cell-specific Notch1/2-deficient bone marrow or Treg cells. These results demonstrated that Dll4-mediated Notch signaling in PPs is required for the efficient appearance of Tfh cells in a Treg cell-prone environment, which is common among the gut-associated lymphoid tissues, and is critical for the generation of Tfh-mediated germinal center B cells.
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Affiliation(s)
- Masaki Yazawa
- Department of Immunology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Hiroyuki Hosokawa
- Department of Immunology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Maria Koizumi
- Department of Immunology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Ken-Ichi Hirano
- Department of Immunology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Jin Imai
- Department of Gastroenterology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Katsuto Hozumi
- Department of Immunology, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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12
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Schroeder AR, Zhu F, Hu H. Stepwise Tfh cell differentiation revisited: new advances and long-standing questions. Fac Rev 2021; 10. [PMID: 33644779 PMCID: PMC7894273 DOI: 10.12703/r/10-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
T follicular helper (Tfh) cells play an essential role in germinal center formation and the generation of high-affinity antibodies. Studies have proposed that Tfh cell differentiation is a multi-step process. However, it is still not fully understood how a subset of activated CD4+ T cells begin to express CXCR5 during the early stage of the response and, shortly after, how some CXCR5+ precursor Tfh (pre-Tfh) cells enter B cell follicles and differentiate further into germinal center Tfh (GC-Tfh) cells while others have a different fate. In this mini-review, we summarize the recent advances surrounding these two aspects of Tfh cell differentiation and discuss related long-standing questions, including Tfh memory.
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Affiliation(s)
- Andrew R Schroeder
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Fangming Zhu
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Hui Hu
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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13
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Garis M, Garrett-Sinha LA. Notch Signaling in B Cell Immune Responses. Front Immunol 2021; 11:609324. [PMID: 33613531 PMCID: PMC7892449 DOI: 10.3389/fimmu.2020.609324] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 12/23/2020] [Indexed: 12/22/2022] Open
Abstract
The Notch signaling pathway is highly evolutionarily conserved, dictating cell fate decisions and influencing the survival and growth of progenitor cells that give rise to the cells of the immune system. The roles of Notch signaling in hematopoietic stem cell maintenance and in specification of T lineage cells have been well-described. Notch signaling also plays important roles in B cells. In particular, it is required for specification of marginal zone type B cells, but Notch signaling is also important in other stages of B cell development and activation. This review will focus on established and new roles of Notch signaling during B lymphocyte lineage commitment and describe the function of Notch within mature B cells involved in immune responses.
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Affiliation(s)
- Matthew Garis
- Department of Biochemistry, State University of New York at Buffalo, Buffalo, NY, United States
| | - Lee Ann Garrett-Sinha
- Department of Biochemistry, State University of New York at Buffalo, Buffalo, NY, United States
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14
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Yang Y, Lv X, Zhan L, Chen L, Jin H, Tang X, Shi Q, Zou Q, Xiang J, Zhang W, Zeng Z, Jiang H, Lv X. Case Report: IL-21 and Bcl-6 Regulate the Proliferation and Secretion of Tfh and Tfr Cells in the Intestinal Germinal Center of Patients With Inflammatory Bowel Disease. Front Pharmacol 2021; 11:587445. [PMID: 33584264 PMCID: PMC7873887 DOI: 10.3389/fphar.2020.587445] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 12/14/2020] [Indexed: 12/24/2022] Open
Abstract
Objective: This study aimed to investigate the effect of interleukin (IL)-21 and B cell lymphoma protein-6 on germinal center follicular helper T (Tfh) cells and follicular regulatory T (Tfr) cells and its relationship with the clinical features of inflammatory bowel disease (IBD). Methods: The expression of peripheral blood cytokines IL-21 and Bcl-6 mRNA was detected by reverse transcription–polymerase chain reaction. The distribution characteristics of Tfh and Tfr cells were detected using the triple immunofluorescence staining analysis. Results: The expression of IL-21 and Bcl-6 mRNA was upregulated in the ulcerative colitis (UC) and Crohn disease (CD) groups compared with that in the control group. Triple immunofluorescence staining showed that the number of Tfh cells in the intestinal germinal center obviously increased in the UC and CD groups compared with that in the control group, whereas the number of Tfr cells reduced. Conclusion: This study suggested that the Tfr and Tfh cells might be involved in the regulation of IBD. Bcl-6 and IL-21 can regulate the Tfh/Tfr ratio in the intestinal germinal center, promoting the occurrence and development of IBD.
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Affiliation(s)
- Youguang Yang
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaodan Lv
- Department of Clinical Experimental Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lingling Zhan
- Department of Clinical Experimental Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lan Chen
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hui Jin
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xinping Tang
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qingqing Shi
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Qiyuan Zou
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jiqiao Xiang
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - WeiWei Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhaojing Zeng
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Haixing Jiang
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaoping Lv
- Department of Gastroenterology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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15
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Webb LMC, Fra‐Bido S, Innocentin S, Matheson LS, Attaf N, Bignon A, Novarino J, Fazilleau N, Linterman MA. Ageing promotes early T follicular helper cell differentiation by modulating expression of RBPJ. Aging Cell 2021; 20:e13295. [PMID: 33387451 PMCID: PMC7811847 DOI: 10.1111/acel.13295] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 11/17/2020] [Accepted: 12/05/2020] [Indexed: 12/12/2022] Open
Abstract
Ageing profoundly changes our immune system and is thought to be a driving factor in the morbidity and mortality associated with infectious disease in older people. We have previously shown that the impaired immunity to vaccination that occurs in aged individuals is partly attributed to the effect of age on T follicular helper (Tfh) cell formation. In this study, we examined how age intrinsically affects Tfh cell formation in both mice and humans. We show increased formation of Tfh precursors (pre-Tfh) but no associated increase in germinal centre (GC)-Tfh cells in aged mice, suggesting age-driven promotion of only early Tfh cell differentiation. Mechanistically, we show that ageing alters TCR signalling which drives expression of the Notch-associated transcription factor, RBPJ. Genetic or chemical modulation of RBPJ or Notch rescues this age-associated early Tfh cell differentiation, and increased intrinsic Notch activity recapitulates this phenomenon in younger mice. Our data offer mechanistic insight into the age-induced changes in T-cell activation that affects the differentiation and ultimately the function of effector T cells.
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Affiliation(s)
- Louise M. C. Webb
- Laboratory of Lymphocyte Signalling and DevelopmentBabraham InstituteBabrahamUK
| | - Sigrid Fra‐Bido
- Laboratory of Lymphocyte Signalling and DevelopmentBabraham InstituteBabrahamUK
| | - Silvia Innocentin
- Laboratory of Lymphocyte Signalling and DevelopmentBabraham InstituteBabrahamUK
| | - Louise S. Matheson
- Laboratory of Lymphocyte Signalling and DevelopmentBabraham InstituteBabrahamUK
| | - Noudjoud Attaf
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity)Inserm U1291University of ToulouseToulouse, FCNRS U5282France
| | - Alexandre Bignon
- Laboratory of Lymphocyte Signalling and DevelopmentBabraham InstituteBabrahamUK
| | - Julien Novarino
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity)Inserm U1291University of ToulouseToulouse, FCNRS U5282France
| | - Nicolas Fazilleau
- Toulouse Institute for Infectious and Inflammatory Diseases (Infinity)Inserm U1291University of ToulouseToulouse, FCNRS U5282France
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16
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Misiak J, Jean R, Rodriguez S, Deleurme L, Lamy T, Tarte K, Amé-Thomas P. Human Lymphoid Stromal Cells Contribute to Polarization of Follicular T Cells Into IL-4 Secreting Cells. Front Immunol 2020; 11:559866. [PMID: 33133070 PMCID: PMC7562812 DOI: 10.3389/fimmu.2020.559866] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/17/2020] [Indexed: 12/17/2022] Open
Abstract
Fibroblastic reticular cells (FRCs) are the specialized lymphoid stromal cells initially identified as triggering T-cell recruitment and dynamic motion in secondary lymphoid organs. Interestingly, FRCs also display antigen presentation capacities and support lymphocyte survival. CXCR5+CD4+ follicular T cells are important players of B-cell maturation and antibody response. Our study reported that in vitro-differentiated FRC-like cells enhanced the growth of the whole CXCR5+CD4+ T-cell compartment, while enhancing IL-4 secretion specifically by the PD1dimCXCR5+CD4+ cell subset, in a Notch- and ICAM1/LFA1-dependent manner. In addition, we revealed that in follicular lymphoma (FL) tissues, previously identified as enriched for PD1hiCXCR5hiCD4+ mature follicular helper T cells, PD1dimCXCR5+CD4+ T cells displayed an enrichment for Notch and integrin gene signatures, and a Notch and ICAM-1-dependent overexpression of IL-4 compared to their non-malignant counterparts. These findings suggest that the crosstalk between FRCs and CXCR5+PD1dimCD4+ T cells may contribute to the FL IL-4 rich environment, thus providing new insights in FL lymphomagenesis.
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Affiliation(s)
- Jan Misiak
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France
| | - Rachel Jean
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France.,CHU de Rennes, Pôle Biologie, Rennes, France
| | - Stéphane Rodriguez
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France
| | - Laurent Deleurme
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France.,Univ Rennes, CNRS, Inserm, BIOSIT (Biologie, Santé, Innovation Technologique de Rennes)-Unité Mixte de Service 3480, Rennes, France
| | - Thierry Lamy
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France.,CHU de Rennes, Service d'Hématologie Clinique, Rennes, France
| | - Karin Tarte
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France.,CHU de Rennes, Pôle Biologie, Rennes, France
| | - Patricia Amé-Thomas
- INSERM U1236, Univ Rennes, Etablissement Français du Sang Bretagne, LabEx IGO, Rennes, France.,CHU de Rennes, Pôle Biologie, Rennes, France
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17
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Parker ME, Barrera A, Wheaton JD, Zuberbuehler MK, Allan DSJ, Carlyle JR, Reddy TE, Ciofani M. c-Maf regulates the plasticity of group 3 innate lymphoid cells by restraining the type 1 program. J Exp Med 2020; 217:jem.20191030. [PMID: 31570496 PMCID: PMC7037249 DOI: 10.1084/jem.20191030] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 08/31/2019] [Accepted: 09/18/2019] [Indexed: 12/30/2022] Open
Abstract
The transcription factor c-Maf is an essential regulator of group 3 ILC homeostasis and effector plasticity. c-Maf limits acquisition of the type 1 program and conversion to the ILC1 fate through restraint of T-bet expression and function. CCR6− group 3 innate lymphoid cells (ILC3s) are mediators of intestinal immunity and barrier function that possess the capacity to acquire type 1 effector features and fully convert into ILC1s. The molecular mechanisms governing such plasticity are undefined. Here, we identified c-Maf as an essential regulator of ILC3 homeostasis and plasticity that limits physiological ILC1 conversion. Phenotypic analysis of effector status in Maf-deficient CCR6− ILC3s, coupled with evaluation of global changes in transcriptome, chromatin accessibility, and transcription factor motif enrichment, revealed that c-Maf enforces ILC3 identity. c-Maf promoted ILC3 accessibility and supported RORγt activity and expression of type 3 effector genes. Conversely, c-Maf antagonized type 1 programming, largely through restraint of T-bet expression and function. Mapping of the dynamic changes in chromatin landscape accompanying CCR6− ILC3 development and ILC1 conversion solidified c-Maf as a gatekeeper of type 1 regulatory transformation and a controller of ILC3 fate.
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Affiliation(s)
- Morgan E Parker
- Department of Immunology, Duke University Medical Center, Durham, NC
| | - Alejandro Barrera
- Center for Genomic and Computational Biology, Duke University Medical School, Durham, NC.,Department of Biostatistics and Bioinformatics, Duke University Medical School, Durham, NC
| | - Joshua D Wheaton
- Department of Immunology, Duke University Medical Center, Durham, NC
| | | | - David S J Allan
- Department of Immunology, University of Toronto, Toronto, Canada
| | - James R Carlyle
- Department of Immunology, University of Toronto, Toronto, Canada
| | - Timothy E Reddy
- Center for Genomic and Computational Biology, Duke University Medical School, Durham, NC.,Department of Biostatistics and Bioinformatics, Duke University Medical School, Durham, NC
| | - Maria Ciofani
- Department of Immunology, Duke University Medical Center, Durham, NC
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18
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Vanderbeck A, Maillard I. Notch signaling at the crossroads of innate and adaptive immunity. J Leukoc Biol 2020; 109:535-548. [PMID: 32557824 DOI: 10.1002/jlb.1ri0520-138r] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022] Open
Abstract
Notch signaling is an evolutionarily conserved cell-to-cell signaling pathway that regulates cellular differentiation and function across multiple tissue types and developmental stages. In this review, we discuss our current understanding of Notch signaling in mammalian innate and adaptive immunity. The importance of Notch signaling is pervasive throughout the immune system, as it elicits lineage and context-dependent effects in a wide repertoire of cells. Although regulation of binary cell fate decisions encompasses many of the functions first ascribed to Notch in the immune system, recent advances in the field have refined and expanded our view of the Notch pathway beyond this initial concept. From establishing T cell identity in the thymus to regulating mature T cell function in the periphery, the Notch pathway is an essential, recurring signal for the T cell lineage. Among B cells, Notch signaling is required for the development and maintenance of marginal zone B cells in the spleen. Emerging roles for Notch signaling in innate and innate-like lineages such as classical dendritic cells and innate lymphoid cells are likewise coming into view. Lastly, we speculate on the molecular underpinnings that shape the activity and versatility of the Notch pathway.
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Affiliation(s)
- Ashley Vanderbeck
- Immunology Graduate Group, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Veterinary Medical Scientist Training Program, University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania, USA
| | - Ivan Maillard
- Immunology Graduate Group, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Division of Hematology/Oncology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.,Abramson Family Cancer Research Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
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19
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Transcriptional regulation of DC fate specification. Mol Immunol 2020; 121:38-46. [PMID: 32151907 PMCID: PMC7187805 DOI: 10.1016/j.molimm.2020.02.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 02/26/2020] [Accepted: 02/28/2020] [Indexed: 12/12/2022]
Abstract
Dendritic cells function in the immune system to instruct adaptive immune cells to respond accordingly to different threats. While conventional dendritic cells can be subdivided into two main subtypes, termed cDC1s and cDC2s, it is clear that further heterogeneity exists within these subtypes, particularly for cDC2s. Understanding the signals involved in specifying each of these lineages and subtypes thereof is crucial to (i) enable us to determine their specific functions and (ii) put us in a position to be able to target these cells to promote or prevent a specific function in any given disease setting. Although we still have much to learn regarding the specification of these cells, here we review the most recent advances in our understanding of this and highlight some of the next questions for the future.
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20
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Zheng B, Zhang J, Chen H, Nie H, Miller H, Gong Q, Liu C. T Lymphocyte-Mediated Liver Immunopathology of Schistosomiasis. Front Immunol 2020; 11:61. [PMID: 32132991 PMCID: PMC7040032 DOI: 10.3389/fimmu.2020.00061] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/10/2020] [Indexed: 12/16/2022] Open
Abstract
The parasitic worms, Schistosoma mansoni and Schistosoma japonicum, reside in the mesenteric veins, where they release eggs that induce a dramatic granulomatous response in the liver and intestines. Subsequently, infection may further develop into significant fibrosis and portal hypertension. Over the past several years, uncovering the mechanism of immunopathology in schistosomiasis has become a major research objective. It is known that T lymphocytes, especially CD4+ T cells, are essential for immune responses against Schistosoma species. However, obtaining a clear understanding of how T lymphocytes regulate the pathological process is proving to be a daunting challenge. To date, CD4+ T cell subsets have been classified into several distinct T helper (Th) phenotypes including Th1, Th2, Th17, T follicular helper cells (Tfh), Th9, and regulatory T cells (Tregs). In the case of schistosomiasis, the granulomatous inflammation and the chronic liver pathology are critically regulated by the Th1/Th2 responses. Animal studies suggest that there is a moderate Th1 response to parasite antigens during the acute stage, but then, egg-derived antigens induce a sustained and dominant Th2 response that mediates granuloma formation and liver fibrosis. In addition, the newly discovered Th17 cells also play a critical role in the hepatic immunopathology of schistosomiasis. Within the liver, Tregs are recruited to hepatic granulomas and exert an immunosuppressive role to limit the granulomatous inflammation and fibrosis. Moreover, recent studies have shown that Tfh and Th9 cells might also promote liver granulomas and fibrogenesis in the murine schistosomiasis. Thus, during infection, T-cell subsets undergo complicated cross-talk with antigen presenting cells that then defines their various roles in the local microenvironment for regulating the pathological progression of schistosomiasis. This current review summarizes a vast body of literature to elucidate the contribution of T lymphocytes and their associated cytokines in the immunopathology of schistosomiasis.
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Affiliation(s)
- Bing Zheng
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, China
| | - Jianqiang Zhang
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China
| | - Hui Chen
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China
| | - Hao Nie
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, China
| | - Heather Miller
- Department of Intracellular Pathogens, National Institute of Allergy and Infectious Diseases, Bethesda, MD, United States
| | - Quan Gong
- Department of Immunology, School of Medicine, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, School of Medicine, Yangtze University, Jingzhou, China
| | - Chaohong Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
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21
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Parker ME, Ciofani M. Regulation of γδ T Cell Effector Diversification in the Thymus. Front Immunol 2020; 11:42. [PMID: 32038664 PMCID: PMC6992645 DOI: 10.3389/fimmu.2020.00042] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 01/08/2020] [Indexed: 12/27/2022] Open
Abstract
γδ T cells are the first T cell lineage to develop in the thymus and take up residence in a wide variety of tissues where they can provide fast, innate-like sources of effector cytokines for barrier defense. In contrast to conventional αβ T cells that egress the thymus as naïve cells, γδ T cells can be programmed for effector function during development in the thymus. Understanding the molecular mechanisms that determine γδ T cell effector fate is of great interest due to the wide-spread tissue distribution of γδ T cells and their roles in pathogen clearance, immunosurveillance, cancer, and autoimmune diseases. In this review, we will integrate the current understanding of the role of the T cell receptor, environmental signals, and transcription factor networks in controlling mouse innate-like γδ T cell effector commitment.
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Affiliation(s)
| | - Maria Ciofani
- Department of Immunology, Duke University Medical Center, Durham, NC, United States
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22
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Abstract
The evolutionarily conserved Notch signalling pathway regulates the differentiation and function of mature T lymphocytes with major context-dependent consequences in host defence, autoimmunity and alloimmunity. The emerging effects of Notch signalling in T cell responses build upon a more established role for Notch in T cell development. Here, we provide a critical review of this burgeoning literature to make sense of what has been learned so far and highlight the experimental strategies that have been most useful in gleaning physiologically relevant information. We outline the functional consequences of Notch signalling in mature T cells in addition to key specific Notch ligand–receptor interactions and downstream molecular signalling pathways. Our goal is to help clarify future directions for this expanding body of work and the best approaches to answer important open questions.
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Affiliation(s)
- Joshua D Brandstadter
- Division of Hematology-Oncology, Department of Medicine, Abramson Family Cancer Research Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Ivan Maillard
- Division of Hematology-Oncology, Department of Medicine, Abramson Family Cancer Research Institute, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
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23
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Xu W, Zhao X, Wang X, Feng H, Gou M, Jin W, Wang X, Liu X, Dong C. The Transcription Factor Tox2 Drives T Follicular Helper Cell Development via Regulating Chromatin Accessibility. Immunity 2019; 51:826-839.e5. [DOI: 10.1016/j.immuni.2019.10.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 07/02/2019] [Accepted: 10/18/2019] [Indexed: 01/08/2023]
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24
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Tchekneva EE, Goruganthu MUL, Uzhachenko RV, Thomas PL, Antonucci A, Chekneva I, Koenig M, Piao L, Akhter A, de Aquino MTP, Ranganathan P, Long N, Magliery T, Valujskikh A, Evans JV, Arasada RR, Massion PP, Carbone DP, Shanker A, Dikov MM. Determinant roles of dendritic cell-expressed Notch Delta-like and Jagged ligands on anti-tumor T cell immunity. J Immunother Cancer 2019; 7:95. [PMID: 30940183 PMCID: PMC6446314 DOI: 10.1186/s40425-019-0566-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Accepted: 03/12/2019] [Indexed: 01/08/2023] Open
Abstract
Background Notch intercellular communication instructs tissue-specific T-cell development and function. In this study, we explored the roles of dendritic cell (DC)-expressed Notch ligands in the regulation of T-cell effector function. Methods We generated mice with CD11c lineage-specific deletion of Notch Delta-like ligand (Dll)1 and Jagged (Jag)2. Using these genetically-ablated mice and engineered pharmacological Notch ligand constructs, the roles of various Delta-like and Jagged ligands in the regulation of T-cell-mediated immunity were investigated. We assessed tumor growth, mouse survival, cytokine production, immunophenotyping of myeloid and lymphoid populations infiltrating the tumors, expression of checkpoint molecules and T-cell function in the experimental settings of murine lung and pancreatic tumors and cardiac allograft rejection. Correlative studies were also performed for the expression of NOTCH ligands, NOTCH receptors and PD-1 on various subsets of myeloid and lymphoid cells in tumor-infiltrating immune cells analyzed from primary human lung cancers. Results Mice with CD11c lineage-specific deletion of Notch ligand gene Dll1, but not Jag2, exhibited accelerated growth of lung and pancreatic tumors concomitant with decreased antigen-specific CD8+T-cell functions and effector-memory (Tem) differentiation. Increased IL-4 but decreased IFN-γ production and elevated populations of T-regulatory and myeloid-derived suppressor cells were observed in Dll1-ablated mice. Multivalent clustered DLL1-triggered Notch signaling overcame DC Dll1 deficiency and improved anti-tumor T-cell responses, whereas the pharmacological interference by monomeric soluble DLL1 construct suppressed the rejection of mouse tumors and cardiac allograft. Moreover, monomeric soluble JAG1 treatment reduced T-regulatory cells and improved anti-tumor immune responses by decreasing the expression of PD-1 on CD8+Tem cells. A significant correlation was observed between DC-expressed Jagged and Delta-like ligands with Tem-expressed PD-1 and Notch receptors, respectively, in human lung tumor-infiltrates. Conclusion Our data show the importance of specific expression of Notch ligands on DCs in the regulation of T-cell effector function. Thus, strategies incorporating selectively engineered Notch ligands could provide a novel approach of therapeutics for modulating immunity in various immunosuppressive conditions including cancer. Electronic supplementary material The online version of this article (10.1186/s40425-019-0566-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elena E Tchekneva
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Mounika U L Goruganthu
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Roman V Uzhachenko
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College School of Medicine, 2005 Harold D. West Basic Sciences Building, 1023 21st Ave N, Nashville, 37208, TN, USA
| | - Portia L Thomas
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College School of Medicine, 2005 Harold D. West Basic Sciences Building, 1023 21st Ave N, Nashville, 37208, TN, USA.,Department of Microbiology, Immunology and Physiology, Meharry Medical College School of Medicine, Nashville, USA.,School of Graduate Studies and Research, Meharry Medical College, Nashville, TN, USA
| | - Anneliese Antonucci
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Irina Chekneva
- Sechenov First Moscow State Medical University, Moscow, Russia
| | - Michael Koenig
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Longzhu Piao
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Anwari Akhter
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Maria Teresa P de Aquino
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College School of Medicine, 2005 Harold D. West Basic Sciences Building, 1023 21st Ave N, Nashville, 37208, TN, USA
| | - Parvathi Ranganathan
- Division of Hematology, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Nicholas Long
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, USA
| | - Thomas Magliery
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, OH, USA
| | - Anna Valujskikh
- Department of Inflammation and Immunity, Cleveland Clinic, Cleveland, OH, USA
| | - Jason V Evans
- Department of Pathology, West Virginia University, Morgantown, WV, USA
| | - Rajeswara R Arasada
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Pierre P Massion
- Department of Medicine, Vanderbilt University, Nashville, TN, USA
| | - David P Carbone
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA
| | - Anil Shanker
- Department of Biochemistry, Cancer Biology, Neuroscience and Pharmacology, Meharry Medical College School of Medicine, 2005 Harold D. West Basic Sciences Building, 1023 21st Ave N, Nashville, 37208, TN, USA. .,School of Graduate Studies and Research, Meharry Medical College, Nashville, TN, USA. .,Host-Tumor Interactions Research Program, Vanderbilt-Ingram Comprehensive Cancer Center, Vanderbilt University, Nashville, TN, USA. .,Vanderbilt Institute for Infection, Immunology and Inflammation, Vanderbilt University, Nashville, TN, USA.
| | - Mikhail M Dikov
- Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Wexner Medical Center and The James Comprehensive Cancer Center, 460 W 12th Ave, 484 BRT, Columbus, OH, 43210, USA.
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25
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The histone methyltransferase EZH2 primes the early differentiation of follicular helper T cells during acute viral infection. Cell Mol Immunol 2019; 17:247-260. [PMID: 30842630 PMCID: PMC7052164 DOI: 10.1038/s41423-019-0219-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 02/17/2019] [Accepted: 02/17/2019] [Indexed: 12/12/2022] Open
Abstract
Epigenetic modifications to histones dictate the differentiation of naïve CD4+ T cells into different subsets of effector T helper (TH) cells. The histone methyltransferase enhancer of zeste homolog 2 (EZH2) has been implicated in the mechanism regulating the differentiation of TH1, TH2 and regulatory T (Treg) cells. However, whether and how EZH2 regulates follicular helper T (TFH) cell differentiation remain unknown. Using a mouse model of acute lymphocytic choriomeningitis virus (LCMV) infection, we observed abundant EZH2 expression and associated H3K27me3 modifications preferentially in the early committed virus-specific TFH cells compared to those in TH1 cells. Ablation of EZH2 in LCMV-specific CD4+ T cells leads to a selective impairment of early TFH cell fate commitment, but not late TFH differentiation or memory TFH maintenance. Mechanistically, EZH2 specifically stabilizes the chromatin accessibility of a cluster of genes that are important for TFH fate commitment, particularly B cell lymphoma 6 (Bcl6), and thus directs TFH cell commitment. Therefore, we identified the chromatin-modifying enzyme EZH2 as a novel regulator of early TFH differentiation during acute viral infection.
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26
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Huang Q, Hu J, Tang J, Xu L, Ye L. Molecular Basis of the Differentiation and Function of Virus Specific Follicular Helper CD4 + T Cells. Front Immunol 2019; 10:249. [PMID: 30828337 PMCID: PMC6384271 DOI: 10.3389/fimmu.2019.00249] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 01/29/2019] [Indexed: 12/12/2022] Open
Abstract
During viral infection, virus-specific follicular helper T cells provide important help to cognate B cells for their survival, consecutive proliferation and mutation and eventual differentiation into memory B cells and antibody-secreting plasma cells. Similar to Tfh cells generated in other conditions, the differentiation of virus-specific Tfh cells can also be characterized as a process involved multiple factors and stages, however, which also exhibits distinct features. Here, we mainly focus on the current understanding of Tfh fate commitment, functional maturation, lineage maintenance and memory transition and formation in the context of viral infection.
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Affiliation(s)
- Qizhao Huang
- Cancer Center, The General Hospital of Western Theater Command, Chengdu, China.,Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Jianjun Hu
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Jianfang Tang
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Lifan Xu
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Lilin Ye
- Institute of Immunology, Third Military Medical University, Chongqing, China
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27
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Zuberbuehler MK, Parker ME, Wheaton JD, Espinosa JR, Salzler HR, Park E, Ciofani M. The transcription factor c-Maf is essential for the commitment of IL-17-producing γδ T cells. Nat Immunol 2018; 20:73-85. [PMID: 30538336 PMCID: PMC6294311 DOI: 10.1038/s41590-018-0274-0] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 11/06/2018] [Indexed: 12/14/2022]
Abstract
γδ T cells that produce the cytokine IL-17 (Tγδ17 cells) are innate-like mediators of immunity that undergo effector programming in the thymus. While regulators of Tγδ17 specialization restricted to various Vγ subsets are known, a commitment factor essential to all Tγδ17 cells has remained undefined. In this study, we identified c-Maf as a universal regulator for Tγδ17 cell differentiation and maintenance. Maf deficiency caused an absolute lineage block at the immature CD24+CD45RBlo γδ thymocyte stage, which revealed a critical checkpoint in the acquisition of effector functions. Here, c-Maf enforced Tγδ17 cell identity by promoting chromatin accessibility and expression of key type 17 program genes, notably Rorc and Blk, while antagonizing the transcription factor TCF1, which promotes IFN-γ-producing γδ T cells (Tγδ1 cells). Furthermore, γδ T cell antigen receptor (γδTCR) signal strength tuned c-Maf expression, which indicates that c-Maf is a core node connecting γδTCR signals to Tγδ17 cell transcriptional programming.
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Affiliation(s)
| | - Morgan E Parker
- Department of Immunology, Duke University Medical Center, Durham, NC, USA
| | - Joshua D Wheaton
- Department of Immunology, Duke University Medical Center, Durham, NC, USA
| | - Jaclyn R Espinosa
- Department of Immunology, Duke University Medical Center, Durham, NC, USA
| | - Harmony R Salzler
- Department of Immunology, Duke University Medical Center, Durham, NC, USA
| | - Eunchong Park
- Department of Immunology, Duke University Medical Center, Durham, NC, USA
| | - Maria Ciofani
- Department of Immunology, Duke University Medical Center, Durham, NC, USA.
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28
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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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29
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Krishnaswamy JK, Alsén S, Yrlid U, Eisenbarth SC, Williams A. Determination of T Follicular Helper Cell Fate by Dendritic Cells. Front Immunol 2018; 9:2169. [PMID: 30319629 PMCID: PMC6170619 DOI: 10.3389/fimmu.2018.02169] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 09/03/2018] [Indexed: 01/02/2023] Open
Abstract
T follicular helper (Tfh) cells are a specialized subset of CD4+ T cells that collaborate with B cells to promote and regulate humoral responses. Unlike other CD4+ effector lineages, Tfh cells require interactions with both dendritic cells (DCs) and B cells to complete their differentiation. While numerous studies have assessed the potential of different DC subsets to support Tfh priming, the conclusions of these studies depend heavily on the model and method of immunization used. We propose that the location of different DC subsets within the lymph node (LN) and their access to antigen determine their potency in Tfh priming. Finally, we provide a three-step model that accounts for the ability of multiple DC subsets and related lineages to support the Tfh differentiation program.
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Affiliation(s)
| | - Samuel Alsén
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ulf Yrlid
- Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Stephanie C Eisenbarth
- Department of Laboratory Medicine, Yale University School of Medicine, New Haven, CT, United States.,Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States
| | - Adam Williams
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, United States.,Department of Genetics and Genomic Sciences, University of Connecticut Health Center, Farmington, CT, United States
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30
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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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31
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Notch signaling represents an important checkpoint between follicular T-helper and canonical T-helper 2 cell fate. Mucosal Immunol 2018; 11:1079-1091. [PMID: 29467447 PMCID: PMC6030499 DOI: 10.1038/s41385-018-0012-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 12/21/2017] [Accepted: 01/09/2018] [Indexed: 02/04/2023]
Abstract
Type-2 immunity is regulated by two distinct CD4+ T-cell subsets. T follicular helper (Tfh) cells are required for humoral hallmarks of type-2 inflammation. T-helper type-2 (Th2) cells orchestrate type-2 inflammation in peripheral tissues, such as the lung and intestine. Given the importance of Notch signaling in the establishment of other CD4+ T-helper cell subsets, we investigated whether canonical Notch activation could differentially impact Tfh and Th2 cell fate during the induction of type-2 immunity. These studies show that Tfh cell, but not Th2 cell, generation and function is reliant on Notch signaling. While early Tfh cell specification is influenced by functional Notch ligands on classical dendritic cells, functional Notch ligands on cells other than dendritic cells, T cells, B cells, and follicular dendritic cells are sufficient to achieve full Tfh cell commitment. These findings identify Notch signaling as an early lineage-determining factor between Tfh and Th2 cell fate.
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32
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Siebel C, Lendahl U. Notch Signaling in Development, Tissue Homeostasis, and Disease. Physiol Rev 2017; 97:1235-1294. [PMID: 28794168 DOI: 10.1152/physrev.00005.2017] [Citation(s) in RCA: 577] [Impact Index Per Article: 82.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 05/19/2017] [Accepted: 05/26/2017] [Indexed: 02/07/2023] Open
Abstract
Notch signaling is an evolutionarily highly conserved signaling mechanism, but in contrast to signaling pathways such as Wnt, Sonic Hedgehog, and BMP/TGF-β, Notch signaling occurs via cell-cell communication, where transmembrane ligands on one cell activate transmembrane receptors on a juxtaposed cell. Originally discovered through mutations in Drosophila more than 100 yr ago, and with the first Notch gene cloned more than 30 yr ago, we are still gaining new insights into the broad effects of Notch signaling in organisms across the metazoan spectrum and its requirement for normal development of most organs in the body. In this review, we provide an overview of the Notch signaling mechanism at the molecular level and discuss how the pathway, which is architecturally quite simple, is able to engage in the control of cell fates in a broad variety of cell types. We discuss the current understanding of how Notch signaling can become derailed, either by direct mutations or by aberrant regulation, and the expanding spectrum of diseases and cancers that is a consequence of Notch dysregulation. Finally, we explore the emerging field of Notch in the control of tissue homeostasis, with examples from skin, liver, lung, intestine, and the vasculature.
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Affiliation(s)
- Chris Siebel
- Department of Discovery Oncology, Genentech Inc., DNA Way, South San Francisco, California; and Department of Cell and Molecular Biology, Karolinska Institute, Stockholm, Sweden
| | - Urban Lendahl
- Department of Discovery Oncology, Genentech Inc., DNA Way, South San Francisco, California; and Department of Cell and Molecular Biology, Karolinska Institute, Stockholm, Sweden
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33
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Jiang S, Han S, Chen J, Li X, Che H. Inhibition effect of blunting Notch signaling on food allergy through improving T H1/T H2 balance in mice. Ann Allergy Asthma Immunol 2017; 118:94-102. [PMID: 28007091 DOI: 10.1016/j.anai.2016.10.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 10/20/2016] [Accepted: 10/26/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND Notch signaling regulates proliferation, differentiation, and function of dendritic cells, T cells, and mast cells, as well as many other immune cells, which act as important parts in food allergy, Notch signaling may play an important role in food allergy. OBJECTIVE To investigate the role of Notch signaling in IgE-mediated food allergy. METHODS An ovalbumin-induced food allergy mouse model was built (cholera toxin as adjuvant) and Notch signaling was blunted by FLI-06 and MW167, which inhibited Notch receptor-expressing phase and the γ-secretase-affecting phase, respectively. Then food allergy indicators, including levels of serum antibodies, cytokines, and degranulation, were examined. Meanwhile, clinical features, such as vascular permeability changes, intestinal permeability changes, body temperature changes, and symptoms, were also observed. RESULTS After blunting Notch signaling, the levels of serum ovalbumin specific IgE and IgG1 were decreased significantly, suggesting that blunting Notch signaling inhibited antibody responses. The levels of TH1 cytokines (interferon-γ) were increased significantly, whereas the levels of TH2 cytokines (interleukin-4, -5, and -13) were decreased significantly, suggesting TH2 polarization was suppressed after blunting Notch signaling. The expression of T-bet was significantly increased, whereas the expression of Gata-3 was significantly reduced in both messenger RNA and protein levels, indicating TH2 polarization was inhibited and TH1 polarization was enhanced after blunting Notch signaling. Moreover, allergic clinical features of mice were alleviated after blunting Notch signaling. CONCLUSION Food allergy was inhibited by blunting Notch signaling through suppressing TH2 polarization, enhancing TH1 cell differentiation and promoting TH1/TH2 balance in mice. Notch signaling plays a key role in IgE-mediated food allergy.
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Affiliation(s)
- Songsong Jiang
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, China
| | - Shiwen Han
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, China
| | - Jingyu Chen
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, China
| | - Xuejiao Li
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, China
| | - Huilian Che
- College of Food Science and Nutrition Engineering, China Agricultural University, Beijing, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing, China.
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34
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T follicular helper and T H2 cells in allergic responses. Allergol Int 2017; 66:377-381. [PMID: 28499720 DOI: 10.1016/j.alit.2017.04.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Revised: 04/11/2017] [Accepted: 04/12/2017] [Indexed: 11/23/2022] Open
Abstract
IL-4 is a cytokine commonly secreted by TH2 and follicular helper T (TFH) cells after antigenic sensitization. TH2 cells have been thought to be the major contributor of B cell help as a source of IL-4 responsible for class switch recombination to Immunoglobulin G1 (IgG1) and Immunoglobulin E (IgE). Importantly, there are some differences in transcriptional regulation between these two T cell subsets. The IL-4 production by TH2 and TFH cells is distinctively regulated by two pathways, GATA-3-mediated Il4-HS2 enhancer and Notch mediated Il4-CNS-2 enhancer. IgE and IgG1 antibody responses are mainly controlled by IL-4-secreting TFH cells, but not by TH2 cells. In this review, we discuss the role of TH2 and TFH cells in IgE production and allergic responses.
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35
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Tindemans I, Peeters MJW, Hendriks RW. Notch Signaling in T Helper Cell Subsets: Instructor or Unbiased Amplifier? Front Immunol 2017; 8:419. [PMID: 28458667 PMCID: PMC5394483 DOI: 10.3389/fimmu.2017.00419] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 03/24/2017] [Indexed: 11/16/2022] Open
Abstract
For protection against pathogens, it is essential that naïve CD4+ T cells differentiate into specific effector T helper (Th) cell subsets following activation by antigen presented by dendritic cells (DCs). Next to T cell receptor and cytokine signals, membrane-bound Notch ligands have an important role in orchestrating Th cell differentiation. Several studies provided evidence that DC activation is accompanied by surface expression of Notch ligands. Intriguingly, DCs that express the delta-like or Jagged Notch ligands gain the capacity to instruct Th1 or Th2 cell polarization, respectively. However, in contrast to this model it has also been hypothesized that Notch signaling acts as a general amplifier of Th cell responses rather than an instructive director of specific T cell fates. In this alternative model, Notch enhances proliferation, cytokine production, and anti-apoptotic signals or promotes co-stimulatory signals in T cells. An instructive role for Notch ligand expressing DCs in the induction of Th cell differentiation is further challenged by evidence for the involvement of Notch signaling in differentiation of Th9, Th17, regulatory T cells, and follicular Th cells. In this review, we will discuss the two opposing models, referred to as the “instructive” and the “unbiased amplifier” model. We highlight both the function of different Notch receptors on CD4+ T cells and the impact of Notch ligands on antigen-presenting cells.
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Affiliation(s)
- Irma Tindemans
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
| | | | - Rudi W Hendriks
- Department of Pulmonary Medicine, Erasmus MC, Rotterdam, Netherlands
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36
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Qiu H, Wu H, Chan V, Lau CS, Lu Q. Transcriptional and epigenetic regulation of follicular T-helper cells and their role in autoimmunity. Autoimmunity 2017; 50:71-81. [DOI: 10.1080/08916934.2017.1284821] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Hong Qiu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China and
| | - Haijing Wu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China and
| | - Vera Chan
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Hong Kong, Hong Kong
| | - Chak-Sing Lau
- Division of Rheumatology & Clinical Immunology, Department of Medicine, University of Hong Kong, Hong Kong
| | - Qianjin Lu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China and
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37
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Martin-Gayo E, Cronin J, Hickman T, Ouyang Z, Lindqvist M, Kolb KE, Schulze Zur Wiesch J, Cubas R, Porichis F, Shalek AK, van Lunzen J, Haddad EK, Walker BD, Kaufmann DE, Lichterfeld M, Yu XG. Circulating CXCR5 +CXCR3 +PD-1 lo Tfh-like cells in HIV-1 controllers with neutralizing antibody breadth. JCI Insight 2017; 2:e89574. [PMID: 28138558 DOI: 10.1172/jci.insight.89574] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
HIV-1-specific broadly neutralizing antibodies (bnAbs) typically develop in individuals with continuous high-level viral replication and increased immune activation, conditions that cannot be reproduced during prophylactic immunization. Understanding mechanisms supporting bnAb development in the absence of high-level viremia may be important for designing bnAb-inducing immunogens. Here, we show that the breadth of neutralizing antibody responses in HIV-1 controllers was associated with a relative enrichment of circulating CXCR5+CXCR3+PD-1lo CD4+ T cells. These CXCR3+PD-1lo Tfh-like cells were preferentially induced in vitro by functionally superior dendritic cells from controller neutralizers, and able to secrete IL-21 and support B cells. In addition, these CXCR3+PD-1lo Tfh-like cells contained higher proportions of stem cell-like memory T cells, and upon antigenic stimulation differentiated into PD-1hi Tfh-like cells in a Notch-dependent manner. Together, these data suggest that CXCR5+CXCR3+PD-1lo cells represent a dendritic cell-primed precursor cell population for PD-1hi Tfh-like cells that may contribute to the generation of bnAbs in the absence of high-level viremia.
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Affiliation(s)
| | - Jacqueline Cronin
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Taylor Hickman
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Zhengyu Ouyang
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Madelene Lindqvist
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery (CHAVI-ID), Duke University, Durham, North Carolina, USA
| | - Kellie E Kolb
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,MIT Institute for Medical Engineering & Science (IMES) and Chemistry, Cambridge, Massachusetts, USA
| | | | - Rafael Cubas
- Vaccine & Gene Therapy Institute of Florida, Port St. Lucie, Florida, USA
| | - Filippos Porichis
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
| | - Alex K Shalek
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,MIT Institute for Medical Engineering & Science (IMES) and Chemistry, Cambridge, Massachusetts, USA
| | | | - Elias K Haddad
- Drexel University, Division of Infectious Diseases and HIV Medicine, Philadelphia, Pennsylvania, USA
| | - Bruce D Walker
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery (CHAVI-ID), Duke University, Durham, North Carolina, USA.,Howard Hughes Medical Institute, Chevy Chase, Maryland, USA
| | - Daniel E Kaufmann
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery (CHAVI-ID), Duke University, Durham, North Carolina, USA.,Centre hospitalier de l'Université de Montréal (CHUM) Research Center, University of Montreal, Montreal, Quebec, Canada
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA.,Infectious Disease Divisions, Brigham and Women's Hospital and Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Xu G Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
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38
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Notch regulates Th17 differentiation and controls trafficking of IL-17 and metabolic regulators within Th17 cells in a context-dependent manner. Sci Rep 2016; 6:39117. [PMID: 27974744 PMCID: PMC5156918 DOI: 10.1038/srep39117] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 11/11/2016] [Indexed: 01/07/2023] Open
Abstract
Th17 cells play critical roles in host defense and autoimmunity. Emerging data support a role for Notch signaling in Th17 cell differentiation but whether it is a positive or negative regulator remains unclear. We report here that T cell-specific deletion of Notch receptors enhances Th17 cell differentiation in the gut, with a corresponding increase in IL-17 secretion. An increase in Th17 cell frequency was similarly observed following immunization of T cell specific Notch mutant mice with OVA/CFA. However, in this setting, Th17 cytokine secretion was impaired, and increased intracellular retention of IL-17 was observed. Intracellular IL-17 co-localized with the CD71 iron transporter in the draining lymph node of both control and Notch-deficient Th17 cells. Immunization induced CD71 surface expression in control, but not in Notch-deficient Th17 cells, revealing defective CD71 intracellular transport in absence of Notch signaling. Moreover, Notch receptor deficient Th17 cells had impaired mTORC2 activity. These data reveal a context-dependent impact of Notch on vesicular transport during high metabolic demand suggesting a role for Notch signaling in the bridging of T cell metabolic demands and effector functions. Collectively, our findings indicate a prominent regulatory role for Notch signaling in the fine-tuning of Th17 cell differentiation and effector function.
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Murakami N, Maillard I, Riella LV. Notch Signaling and Immune Regulation in Alloimmunity. CURRENT TRANSPLANTATION REPORTS 2016; 3:294-302. [PMID: 29977738 DOI: 10.1007/s40472-016-0126-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Notch signaling plays a pivotal role in the differentiation and fate determination of T cells, B cells, dendritic cells (DCs) and innate lymphoid cells (ILCs). Recent gene-targeting and antibody approaches advanced our knowledge of the importance of Notch signaling in fine-tuning the peripheral immune response. Here we review current knowledge of the Notch pathway, focusing on solid organ transplant and graft-versus-host disease preclinical models, and discuss the potential of targeting Notch to suppress the immune response and improve transplant outcomes.
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Affiliation(s)
- Naoka Murakami
- Transplantation Research Center, Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA
| | - Ivan Maillard
- Life Sciences Institute and Division of Hematology-Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI
| | - Leonardo V Riella
- Transplantation Research Center, Renal Division, Brigham & Women's Hospital, Harvard Medical School, Boston, MA
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Chennupati V, Koch U, Coutaz M, Scarpellino L, Tacchini-Cottier F, Luther SA, Radtke F, Zehn D, MacDonald HR. Notch Signaling Regulates the Homeostasis of Tissue-Restricted Innate-like T Cells. THE JOURNAL OF IMMUNOLOGY 2016; 197:771-82. [PMID: 27324132 DOI: 10.4049/jimmunol.1501675] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 05/18/2016] [Indexed: 11/19/2022]
Abstract
Although Notch signaling plays important roles in lineage commitment and differentiation of multiple cell types including conventional T cells, nothing is currently known concerning Notch function in innate-like T cells. We have found that the homeostasis of several well-characterized populations of innate-like T cells including invariant NKT cells (iNKT), CD8ααTCRαβ small intestinal intraepithelial lymphocytes, and innate memory phenotype CD8 T cells is controlled by Notch. Notch selectively regulates hepatic iNKT cell survival via tissue-restricted control of B cell lymphoma 2 and IL-7Rα expression. More generally, Notch regulation of innate-like T cell homeostasis involves both cell-intrinsic and -extrinsic mechanisms and relies upon context-dependent interactions with Notch ligand-expressing fibroblastic stromal cells. Collectively, using conditional ablation of Notch receptors on peripheral T cells or Notch ligands on putative fibroblastic stromal cells, we show that Notch signaling is indispensable for the homeostasis of three tissue-restricted populations of innate-like T cells: hepatic iNKT, CD8ααTCRαβ small intestinal intraepithelial lymphocytes, and innate memory phenotype CD8 T cells, thus supporting a generalized role for Notch in innate T cell homeostasis.
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Affiliation(s)
- Vijaykumar Chennupati
- Ludwig Centre for Cancer Research, University of Lausanne, 1066 Epalinges, Switzerland; Swiss Vaccine Research Institute, Lausanne University Hospital, 1066 Epalinges, Switzerland; Division of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, 1066 Epalinges, Switzerland;
| | - Ute Koch
- Swiss Federal Institute of Technology Lausanne, School of Life Sciences, Swiss Institute for Experimental Cancer Research, 1015 Lausanne, Switzerland
| | - Manuel Coutaz
- Department of Biochemistry, World Health Organization Immunology Research and Training Centre, University of Lausanne, 1066 Epalinges, Switzerland; and
| | | | - Fabienne Tacchini-Cottier
- Department of Biochemistry, World Health Organization Immunology Research and Training Centre, University of Lausanne, 1066 Epalinges, Switzerland; and
| | - Sanjiv A Luther
- Department of Biochemistry, University of Lausanne, 1066 Epalinges, Switzerland
| | - Freddy Radtke
- Swiss Federal Institute of Technology Lausanne, School of Life Sciences, Swiss Institute for Experimental Cancer Research, 1015 Lausanne, Switzerland
| | - Dietmar Zehn
- Swiss Vaccine Research Institute, Lausanne University Hospital, 1066 Epalinges, Switzerland; Division of Immunology and Allergy, Department of Medicine, Lausanne University Hospital, 1066 Epalinges, Switzerland
| | - H Robson MacDonald
- Ludwig Centre for Cancer Research, University of Lausanne, 1066 Epalinges, Switzerland;
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Affiliation(s)
- Carola G. Vinuesa
- Department of Immunology and Infectious Disease, John Curtin School of Medical Research, Australian National University, Canberra, ACT 2601, Australia;
| | - Michelle A. Linterman
- Lymphocyte Signalling and Development Institute Strategic Programme, Babraham Institute, Cambridge CB22 3AT, United Kingdom;
| | - Di Yu
- Laboratory for Molecular Immunomodulation, Department of Biochemistry and Molecular Biology, and Center for Inflammatory Diseases, Monash University, Melbourne, Victoria 3800, Australia;
| | - Ian C.M. MacLennan
- School of Immunity and Infection, University of Birmingham, Birmingham B15 2TT, United Kingdom
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42
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DNMT3A(R882H) mutant and Tet2 inactivation cooperate in the deregulation of DNA methylation control to induce lymphoid malignancies in mice. Leukemia 2016; 30:1388-98. [PMID: 26876596 PMCID: PMC4869893 DOI: 10.1038/leu.2016.29] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 01/07/2016] [Accepted: 01/18/2016] [Indexed: 12/21/2022]
Abstract
TEN-ELEVEN-TRANSLOCATION-2 (TET2) and DNA-METHYLTRANSFERASE-3A (DNMT3A), both encoding proteins involved in regulating DNA methylation, are mutated in hematological malignancies affecting both myeloid and lymphoid lineages. We previously reported an association of TET2 and DNMT3A mutations in progenitors of patients with angioimmunoblastic T-cell lymphomas (AITL). Here, we report on the cooperative effect of Tet2-inactivation and DNMT3A mutation affecting arginine 882 (DNMT3AR882H) using a murine bone marrow transplantation assay. Five out of 18 primary recipients developed hematological malignancies with one mouse developing an AITL-like disease, 2 mice presenting acute myeloid leukemia (AML)-like and 2 others T cell acute lymphoblastic leukemia (T-ALL)-like diseases within 6 months following transplantation. Serial transplantations of DNMT3AR882H Tet2−/− progenitors led to a differentiation bias toward the T-cell compartment, eventually leading to AITL-like disease in 9/12 serially transplanted recipients. Expression profiling suggested that DNMT3AR882H Tet2−/− T-ALLs resemble those of NOTCH1 mutant. Methylation analysis of DNMT3AR882H Tet2−/− T-ALLs showed a global increase in DNA methylation affecting tumor suppressor genes and local hypomethylation affecting genes involved in the Notch pathway. Our data confirm the transformation potential of DNMT3AR882H Tet2−/− progenitors and represent the first cooperative model in mice involving Tet2-inactivation driving lymphoid malignancies.
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Jandl C, King C. Cytokines in the Germinal Center Niche. Antibodies (Basel) 2016; 5:antib5010005. [PMID: 31557986 PMCID: PMC6698856 DOI: 10.3390/antib5010005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/11/2016] [Accepted: 01/27/2016] [Indexed: 12/14/2022] Open
Abstract
Cytokines are small, secreted, glycoproteins that specifically affect the interactions and communications between cells. Cytokines are produced transiently and locally, acting in a paracrine or autocrine manner, and they are extremely potent, ligating high affinity cell surface receptors to elicit changes in gene expression and protein synthesis in the responding cell. Cytokines produced during the differentiation of T follicular helper (Tfh) cells and B cells within the germinal center (GC) niche play an important role in ensuring that the humoral immune response is robust, whilst retaining flexibility, during the generation of affinity matured antibodies. Cytokines produced by B cells, antigen presenting cells and stromal cells are important for the differentiation of Tfh cells and Tfh cell produced cytokines act both in an autocrine fashion to firm Tfh cell differentiation and in a paracrine fashion to support the differentiation of memory B cells and plasma cells. In this review, we discuss the role of cytokines during the GC reaction with a particular focus on the influence of cytokines on Tfh cells.
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Affiliation(s)
- Christoph Jandl
- Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW 2010, Australia.
- St Vincents Medical School, University of New South Wales, Sydney, NSW 2010, Australia.
| | - Cecile King
- Garvan Institute of Medical Research, 384 Victoria Street, Darlinghurst, Sydney, NSW 2010, Australia.
- St Vincents Medical School, University of New South Wales, Sydney, NSW 2010, Australia.
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Chen Y, Yu D. TCF-1 at the Tfh and Th1 Divergence. Trends Immunol 2015; 36:758-760. [DOI: 10.1016/j.it.2015.11.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 11/01/2015] [Indexed: 11/26/2022]
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Affiliation(s)
- Clara L Oeste
- Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Madrid, Spain
| | - Balbino Alarcón
- Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Madrid, Spain
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Amsen D, Helbig C, Backer RA. Notch in T Cell Differentiation: All Things Considered. Trends Immunol 2015; 36:802-814. [PMID: 26617322 DOI: 10.1016/j.it.2015.10.007] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 10/16/2015] [Accepted: 10/18/2015] [Indexed: 12/24/2022]
Abstract
Differentiation of naïve T cells into effector cells is required for optimal protection against different classes of microbial pathogen and for the development of immune memory. Recent findings have revealed important roles for the Notch signaling pathway in T cell differentiation into all known effector subsets, raising the question of how this pathway controls such diverse differentiation programs. Studies in preclinical models support the therapeutic potential of manipulating the Notch pathway to alleviate immune pathology, highlighting the importance of understanding the mechanisms through which Notch regulates T cell differentiation and function. We review these findings here, and outline both unifying principles involved in Notch-mediated T cell fate decisions and cell type- and context-specific differences that may present the most suitable points for therapeutic intervention.
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Affiliation(s)
- Derk Amsen
- Department of Hematopoiesis, Sanquin and Landsteiner Laboratory at the CLB, Plesmanlaan125, 1066CX, Amsterdam, the Netherlands.
| | - Christina Helbig
- Department of Hematopoiesis, Sanquin and Landsteiner Laboratory at the CLB, Plesmanlaan125, 1066CX, Amsterdam, the Netherlands
| | - Ronald A Backer
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
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Bao K, Reinhardt RL. The differential expression of IL-4 and IL-13 and its impact on type-2 immunity. Cytokine 2015; 75:25-37. [PMID: 26073683 DOI: 10.1016/j.cyto.2015.05.008] [Citation(s) in RCA: 191] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Revised: 05/11/2015] [Accepted: 05/12/2015] [Indexed: 01/06/2023]
Abstract
Allergic disease represents a significant global health burden, and disease incidence continues to rise in urban areas of the world. As such, a better understanding of the basic immune mechanisms underlying disease pathology are key to developing therapeutic interventions to both prevent disease onset as well as to ameliorate disease morbidity in those individuals already suffering from a disorder linked to type-2 inflammation. Two factors central to type-2 immunity are interleukin (IL)-4 and IL-13, which have been linked to virtually all major hallmarks associated with type-2 inflammation. Therefore, IL-4 and IL-13 and their regulatory pathways represent ideal targets to suppress disease. Despite sharing many common regulatory pathways and receptors, these cytokines perform very distinct functions during a type-2 immune response. This review summarizes the literature surrounding the function and expression of IL-4 and IL-13 in CD4+ T cells and innate immune cells. It highlights recent findings in vivo regarding the differential expression and non-canonical regulation of IL-4 and IL-13 in various immune cells, which likely play important and underappreciated roles in type-2 immunity.
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Affiliation(s)
- Katherine Bao
- Department of Immunology, Duke University Medical Center, Durham, NC 27710, United States
| | - R Lee Reinhardt
- Department of Immunology, Duke University Medical Center, Durham, NC 27710, United States.
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48
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Pratama A, Srivastava M, Williams NJ, Papa I, Lee SK, Dinh XT, Hutloff A, Jordan MA, Zhao JL, Casellas R, Athanasopoulos V, Vinuesa CG. MicroRNA-146a regulates ICOS-ICOSL signalling to limit accumulation of T follicular helper cells and germinal centres. Nat Commun 2015; 6:6436. [PMID: 25743066 PMCID: PMC4366510 DOI: 10.1038/ncomms7436] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 01/28/2015] [Indexed: 12/22/2022] Open
Abstract
Tight control of T follicular helper (Tfh) cells is required for optimal maturation of the germinal centre (GC) response. The molecular mechanisms controlling Tfh-cell differentiation remain incompletely understood. Here we show that microRNA-146a (miR-146a) is highly expressed in Tfh cells and peak miR-146a expression marks the decline of the Tfh response after immunization. Loss of miR-146a causes cell-intrinsic accumulation of Tfh and GC B cells. MiR-146a represses several Tfh-cell-expressed messenger RNAs, and of these, ICOS is the most strongly cell autonomously upregulated target in miR-146a-deficient T cells. In addition, miR-146a deficiency leads to increased ICOSL expression on GC B cells and antigen-presenting cells. Partial blockade of ICOS signalling, either by injections of low dose of ICOSL blocking antibody or by halving the gene dose of Icos in miR-146a-deficient T cells, prevents the Tfh and GC B-cell accumulation. Collectively, miR-146a emerges as a post-transcriptional brake to limit Tfh cells and GC responses. Maturation of antibody-producing B cells in germinal centers is orchestrated by T follicular helper cells. Here Pratama et al. show that miR-146a negatively regulates T follicular helper cells by targeting ICOS-ICOS ligand signaling in germinal centers.
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Affiliation(s)
- Alvin Pratama
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Monika Srivastava
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Naomi J Williams
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Ilenia Papa
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Sau K Lee
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Xuyen T Dinh
- Comparative Genomics Centre, James Cook University, Townsville, Queensland 4811, Australia
| | - Andreas Hutloff
- Chronic Immune Reactions Group, German Rheumatism Research Centre Berlin (DRFZ), a Leibniz Institute, 10117 Berlin, Germany
| | - Margaret A Jordan
- Comparative Genomics Centre, James Cook University, Townsville, Queensland 4811, Australia
| | - Jimmy L Zhao
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California 91125, USA
| | - Rafael Casellas
- Genomics and Immunity Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Vicki Athanasopoulos
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
| | - Carola G Vinuesa
- Department of Pathogens and Immunity, John Curtin School of Medical Research, Australian National University, Building 131, Garran Road, Canberra, Australian Capital Territory 0200, Australia
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49
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Christie D, Zhu J. Transcriptional regulatory networks for CD4 T cell differentiation. Curr Top Microbiol Immunol 2015; 381:125-72. [PMID: 24839135 DOI: 10.1007/82_2014_372] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
CD4(+) T cells play a central role in controlling the adaptive immune response by secreting cytokines to activate target cells. Naïve CD4(+) T cells differentiate into at least four subsets, Th1Th1 , Th2Th2 , Th17Th17 , and inducible regulatory T cellsregulatory T cells , each with unique functions for pathogen elimination. The differentiation of these subsets is induced in response to cytokine stimulation, which is translated into Stat activation, followed by induction of master regulator transcription factorstranscription factors . In addition to these factors, multiple other transcription factors, both subset specific and shared, are also involved in promoting subset differentiation. This review will focus on the network of transcription factors that control CD4(+) T cell differentiation.
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Affiliation(s)
- Darah Christie
- Molecular and Cellular Immunoregulation Unit, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, 20892, USA,
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50
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Wood S, Feng J, Chung J, Radojcic V, Sandy-Sloat AR, Friedman A, Shelton A, Yan M, Siebel CW, Bishop DK, Maillard I. Transient blockade of delta-like Notch ligands prevents allograft rejection mediated by cellular and humoral mechanisms in a mouse model of heart transplantation. THE JOURNAL OF IMMUNOLOGY 2015; 194:2899-908. [PMID: 25687759 DOI: 10.4049/jimmunol.1402034] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Rejection remains a major clinical challenge limiting allograft survival after solid organ transplantation. Both cellular and humoral immunity contribute to this complication, with increased recognition of Ab-mediated damage during acute and chronic rejection. Using a mouse model of MHC-mismatched heart transplantation, we report markedly protective effects of Notch inhibition, dampening both T cell and Ab-driven rejection. T cell-specific pan-Notch blockade prolonged heart allograft survival and decreased IFN-γ and IL-4 production by alloreactive T cells, especially when combined with depletion of recipient CD8(+) T cells. These effects were associated with decreased infiltration by conventional T cells and an increased proportion of regulatory T cells in the graft. Transient administration of neutralizing Abs specific for delta-like (Dll)1/4 Notch ligands in the peritransplant period led to prolonged acceptance of allogeneic hearts, with superior outcome over Notch inhibition only in T cells. Systemic Dll1/4 inhibition decreased T cell cytokines and graft infiltration, germinal center B cell and plasmablast numbers, as well as production of donor-specific alloantibodies and complement deposition in the transplanted hearts. Dll1 or Dll4 inhibition alone provided partial protection. Thus, pathogenic signals delivered by Dll1/4 Notch ligands early after transplantation promote organ rejection through several complementary mechanisms. Transient interruption of these signals represents an attractive new therapeutic strategy to enhance long-term allograft survival.
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Affiliation(s)
- Sherri Wood
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Jiane Feng
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109
| | - Jooho Chung
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109; Graduate Program in Cellular and Molecular Biology, University of Michigan, Ann Arbor, MI; Medical Scientist Training Program, University of Michigan, Ann Arbor, MI
| | - Vedran Radojcic
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109; Division of Hematology-Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Ashley R Sandy-Sloat
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109; Graduate Program in Immunology, University of Michigan, Ann Arbor, MI
| | - Ann Friedman
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109
| | - Amy Shelton
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA 94080
| | - Minhong Yan
- Department of Molecular Oncology, Genentech Inc., South San Francisco, CA 94080; and
| | - Christian W Siebel
- Department of Discovery Oncology, Genentech Inc., South San Francisco, CA 94080
| | - D Keith Bishop
- Department of Surgery, University of Michigan, Ann Arbor, MI 48109;
| | - Ivan Maillard
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109; Division of Hematology-Oncology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI; Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109
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