201
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Goswami R, Kaplan M. STAT Transcription Factors in T Cell Control of Health and Disease. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2017; 331:123-180. [DOI: 10.1016/bs.ircmb.2016.09.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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202
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Abstract
CD4+ T helper cells with the ability to produce effector cytokines provide host protection by regulating immune responses against pathogens. In contrast, these cells are responsible for the development of various inflammatory disease if not regulated properly. Previous studies using naïve CD4+ T cell activation in vitro have shown the requirement of various cytokine combinations in addition to TCR activation to differentiate naïve CD4+ T cells into various effector T helper lineages. The recently discovered CD4+ T helper subset is IL-9-producing Th9 cells. Since Th9 cell differentiation in vitro is essential in understanding the molecular mechanism in regulating Th9 cell development, it is critical to develop a basic protocol in polarizing naïve CD4+ T cells to Th9 cells in vitro. Here we describe a simple method for Th9 cell culture conditions in vitro that can be used for other molecular analyses.
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Affiliation(s)
- Duy Pham
- Department of Pathology, University of Alabama at Birmingham, BBRB 870, 845 19th St South, Birmingham, AL, 35294, USA.
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203
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Shin JH, Kim DH, Kim BY, Kim SW, Hwang SH, Lee J, Kim SW. Anti-Interleukin-9 Antibody Increases the Effect of Allergen-Specific Immunotherapy in Murine Allergic Rhinitis. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2017; 9:237-246. [PMID: 28293930 PMCID: PMC5352575 DOI: 10.4168/aair.2017.9.3.237] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 10/12/2016] [Accepted: 10/14/2016] [Indexed: 12/21/2022]
Abstract
Purpose Interleukin (IL)-9 induces allergic responses; however, the roles of anti-IL-9 antibody in the induction of tolerance remain unclear. This study investigated the effects of anti-IL-9 antibody on oral tolerance (OT) in a mouse model of allergic rhinitis (AR). Methods BALB/c mice were divided into 4 groups: the control, AR, OT, and OT with anti-IL-9 antibody (OT+IL9AB) groups. Ovalbumin (OVA) was used for sensitization and challenge. Mice in the OT and OT+IL9AB groups were fed OVA for immunotherapy. During immunotherapy, OT+IL9AB mice were injected with anti-IL-9 antibody. Allergic symptoms, tissue eosinophil counts, and serum OVA-specific immunoglobulin E (IgE) were measured. The mRNA expressions of cytokines and transcription factors of T cells of nasal mucosa were determined by real-time polymerase chain reaction (PCR). The protein levels of GATA3, ROR-γt, and Foxp3 in nasal mucosa were determined by Western blot. CD4+CD25+Foxp3+ T cells in the spleen were analyzed by flow cytometry. Results Administration of anti-IL-9 antibody decreased allergic symptoms, OVA-specific IgE levels, and eosinophil counts. In addition, it inhibited T-helper (Th) 2 responses, but had no effect on Th1 responses. Protein levels of ROR-γt and mRNA levels of PU.1 and ROR-γt were reduced by anti-IL-9 antibody. Anti-IL-9 antibody increased Foxp3 and IL-10 mRNA expression, Foxp3 protein, and induction of CD4+CD25+Foxp3+ T cells. Conclusions Anti-IL-9 antibody decreased allergic inflammation through suppression of Th2 and Th17 cells. Anti-IL-9 antibody enhanced the tolerogenic effects of regulatory T cells. These results suggest that anti-IL-9 antibody might represent a potential therapeutic agent for allergen immunotherapy in patients with uncontrolled allergic airway disease.
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Affiliation(s)
- Ji Hyeon Shin
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Do Hyun Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Boo Young Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung Won Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Se Hwan Hwang
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Joohyung Lee
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Soo Whan Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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204
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Shik D, Tomar S, Lee JB, Chen CY, Smith A, Wang YH. IL-9-producing cells in the development of IgE-mediated food allergy. Semin Immunopathol 2017; 39:69-77. [PMID: 27909880 PMCID: PMC5225002 DOI: 10.1007/s00281-016-0605-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 11/03/2016] [Indexed: 10/20/2022]
Abstract
Food allergy is a harmful immune reaction driven by uncontrolled type 2 immune responses. Considerable evidence demonstrates the key roles of mast cells, IgE, and TH2 cytokines in mediating food allergy. However, this evidence provides limited insight into why only some, rather than all, food allergic individuals are prone to develop life-threatening anaphylaxis. Clinical observations suggest that patients sensitized to food through the skin early in life may later develop severe food allergies. Aberrant epidermal thymic stromal lymphopoietin and interleukin (IL) 33 production and genetic predisposition can initiate an allergic immune response mediated by dendritic cells and CD4+TH2 cells in inflamed skin. After allergic sensitization, intestinal IL-25 and food ingestion enhance concerted interactions between type 2 innate lymphoid cells (ILC2s) and CD4+TH2 cells, which perpetuate allergic reactions from the skin to the gut. IL-4 and cross-linking of antigen/IgE/FcεR complexes induce emigrated mast cell progenitors to develop into the multi-functional IL-9-producing mucosal mast cells, which produce prodigious amounts of IL-9 and mast cell mediators to drive intestinal mastocytosis in an autocrine loop. ILC2s and TH9 cells may also serve as alternative cellular sources of IL-9 to augment the amplification of intestinal mastocytosis, which is the key cellular checkpoint in developing systemic anaphylaxis. These findings provide a plausible view of how food allergy develops and progresses in a stepwise manner and that atopic signals, dietary allergen ingestion, and inflammatory cues are fundamental in promoting life-threatening anaphylaxis. This information will aid in improving diagnosis and developing more effective therapies for food allergy-triggered anaphylaxis.
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Affiliation(s)
- Dana Shik
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Sunil Tomar
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Jee-Boong Lee
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, KAIST, Daejeon, 34141, South Korea
| | - Chun-Yu Chen
- Division of Hematology/Oncology and Bone Marrow Transplantation, Nationwide Children's Hospital, Columbus, 43205, USA
| | - Andrew Smith
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA
| | - Yui-Hsi Wang
- Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, Burnet Avenue, Cincinnati, OH, 45229, USA.
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205
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Meylan F, Gomez-Rodriguez J. T Cell Receptor and Co-Stimulatory Signals for Th9 Generation. Methods Mol Biol 2017; 1585:59-71. [PMID: 28477187 DOI: 10.1007/978-1-4939-6877-0_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In vitro polarization of naïve CD4+ T cells toward distinct T helper lineages is crucial for establishing the factors and features that determine the differentiation, stability, and effector function for each T helper subsets. In this regard, the recently defined Th9 subset has been reported with two essential cytokines requirement for their generation. Generating Th9 cells in vitro from naïve CD4+ T cells requires the combination of TGF-β and IL-4. However, the amount of IL-9 producing under these minimal conditions is often small. The intent of this chapter is to provide examples to increase the generation of IL-9 producing T cells in vitro by modulating TCR strength and co-stimulation through the TNF family member TL1A. We hope that these methods to efficiently differentiate naïve CD4+ T cells toward IL-9 producing cells will facilitate understanding the differentiation and function of Th9 cells and their pathogenesis in various inflammatory and autoimmune diseases.
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Affiliation(s)
- Françoise Meylan
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, 10 Center Drive, Building 10, Room 13C120, Bethesda, MD, 20892, USA.
| | - Julio Gomez-Rodriguez
- Genetic Disease Research Branch, National Human Genome Research Institute, National Institutes of Health, 9000 Rockville Pike., Bldg. 49, Room 4C64, Bethesda, MD, 20892, USA.
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206
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Malik S, Dardalhon V, Awasthi A. Characterization of Th9 Cells in the Development of EAE and IBD. Methods Mol Biol 2017; 1585:201-216. [PMID: 28477198 DOI: 10.1007/978-1-4939-6877-0_16] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Encephalitogenic and colitogenic effector T cells have been implicated in the induction of experimental autoimmune encephalomyelitis (EAE) and inflammatory bowel disease (IBD), respectively. Effector functions of Th1 and Th17 cells have been well characterized and described for the induction and development of EAE and IBD; however, the recently identified Th9 cells have also been suggested to play an important role in these autoimmune pathologies. Th9 cells, primarily characterized by their high level of production of IL-9, are not only essential in controlling extracellular pathogens but also contribute to the development of autoimmunity and allergic inflammation. Furthermore, it was also demonstrated that IL-9 promotes Th17 cell-mediated tissue pathology in EAE and it compromises the barrier functions of the gut in IBD. In vivo adoptive transfer of in vitro differentiated Th9 cells induces the development of autoimmune tissue inflammation in EAE and IBD. Here we describe methods for in vitro differentiation of naïve murine CD4+ T cells to generate IL-9-producing Th9 cells and follow their effector functions in EAE and IBD murine models.
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Affiliation(s)
- Sakshi Malik
- Center for Human Microbial Ecology (CHME), Translational Health Science & Technology Institute (THTI), 3rd Milestone, Gurgaon-Faridabad Expressway, Faridabad, 121 001, Haryana, India
| | - Valerie Dardalhon
- Institut de Génétique Moléculaire de Montpellier, Centre National de la Recherche Scientifique UMR5535, Université de Montpellier, 34293, Montpellier, France
| | - Amit Awasthi
- Center for Human Microbial Ecology (CHME), Translational Health Science & Technology Institute (THTI), 3rd Milestone, Gurgaon-Faridabad Expressway, Faridabad, 121 001, Haryana, India.
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207
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Abstract
IL-9-producing T helper cells (Th9) have recently emerged as an important T cell subset contributing to the pathogenicity of allergic diseases. Here, we describe the role of Th9 cells in allergic inflammation and provide detailed protocols to characterize IL-9-producing T cells and analyze OVA-specific IL-9 production in allergic lung diseases using a mouse model of OVA-induced chronic allergic lung inflammation.
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208
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Stephen B, Hajjar J. Overview of Basic Immunology for Clinical Investigators. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 995:1-31. [PMID: 28321810 DOI: 10.1007/978-3-319-53156-4_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Tumor exists as a complex network of structures with an ability to evolve and evade the host immune surveillance mechanism. The immune milieu which includes macrophages, dendritic cells, natural killer cells, neutrophils, mast cells, B cells, and T cells are found in the core, the invasive margin, or the adjacent stromal or lymphoid component of the tumor. The immune infiltrate is heterogeneous and varies within a patient and between patients of the same tumor histology. The location, density, functionality, and the cross talk between the immune cells in the tumor microenvironment influence the nature of immune response, prognosis, and treatment outcomes in cancer patients. Therefore, an understanding of the characteristics of the immune cells and their role in tumor immune surveillance is of paramount importance to identify immune targets and to develop novel immune therapeutics in the war against cancer. In this chapter, we provide an overview of the individual components of the human immune system and the translational relevance of predictive biomarkers.
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Affiliation(s)
- Bettzy Stephen
- The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Joud Hajjar
- Department of Pediatrics, Baylor College of Medicine, Houston, TX, 77030, USA.
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209
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Gregor CE, Foeng J, Comerford I, McColl SR. Chemokine-Driven CD4 + T Cell Homing: New Concepts and Recent Advances. Adv Immunol 2017; 135:119-181. [DOI: 10.1016/bs.ai.2017.03.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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210
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Th9 cells and IL-9 in autoimmune disorders: Pathogenesis and therapeutic potentials. Hum Immunol 2016; 78:120-128. [PMID: 28040536 DOI: 10.1016/j.humimm.2016.12.010] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 12/08/2016] [Accepted: 12/27/2016] [Indexed: 01/14/2023]
Abstract
Naïve CD4+ T cells are pleiotropically divided into various T helper (Th) cell subsets, according to their pivotal roles in the regulation of immune responses. The differentiation of Th9 cells, an interleukin (IL)-9 producing subset, can be impacted by specific environmental cues, co-stimulation with transforming growth factor β (TGF-β) and IL-4, and other regulatory factors. Although IL-9 has been recognized as a classical Th2-related cytokine, recent studies have indicated that IL-9-producing cells contribute to a group of autoimmune disorders including systemic lupus erythematosus (SLE), multiple sclerosis (MS), inflammatory bowel diseases (IBD), rheumatoid arthritis (RA) and psoriasis. Studies of Th9 cells in autoimmune diseases, although in their infancy, are expected to be of growing interest in the study of potential mechanisms of cytokine regulatory pathways and autoimmune pathogenesis. Several in vitro and in vivo pre-clinical trials have been conducted to explore potential therapeutic strategies by targeting the IL-9 pathway. Specifically, anti-IL-9 monoclonal antibodies (mAbs) and IL-9 inhibitors may potentially be used for the clinical treatment of allergic diseases, autoimmune diseases or cancers. Here, we review recent research on Th9 cells and IL-9 pertaining to cell differentiation, biological characteristics and pivotal cellular inter-relationships implicated in the development of various diseases.
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211
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Qi C, Shan Y, Wang J, Ding F, Zhao D, Yang T, Jiang Y. Circulating T helper 9 cells and increased serum interleukin-9 levels in patients with knee osteoarthritis. Clin Exp Pharmacol Physiol 2016; 43:528-34. [PMID: 26926842 DOI: 10.1111/1440-1681.12567] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 01/21/2016] [Accepted: 02/24/2016] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to examine the roles of T helper 9 (Th9) cells and the serum interleukin (IL)-9 level in the pathogenesis of osteoarthritis (OA). The numbers of IL-9(+) CD4(+) CD8(-) T cells, interferon (IFN)-γ+ CD4(+) CD8(-) T cells, IL-4(+) CD4(+) CD8(-) T cells, and IL-17A(+) CD4(+) CD8(-) T cells in 25 OA patients and 13 healthy controls (HC) were examined by flow cytometry. The serum concentrations of IL-9, IL-4, IL-17A, and IFN-γ were also determined. The numbers of CD4(+) CD45RO(+) T cells, Th9 cells, Th1 cells, and Th17 cells in OA patients were significantly higher than those in HCs. Furthermore, serum IL-9, IL-17A, and IFN-γ levels in OA patients were higher than those in HCs. The number of Th9 cells was positively correlated with the number of Th17 cells in OA patients. Furthermore, greater numbers of Th9 cells were positively associated with elevated C-reactive protein, and both Th9 cells and IL-9 levels were positively correlated with the Western Ontario and McMaster Universities Osteoarthritis index in OA patients. Th9 cell numbers and IL-9 levels are correlated with OA patient symptoms and joint functionality and may be a marker of disease activity.
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Affiliation(s)
- Changlin Qi
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Yuxing Shan
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Jing Wang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Fupeng Ding
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Ding Zhao
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Teng Yang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Yanfang Jiang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China.,Key Laboratory of Zoonosis Research, Ministry of Education, the First Hospital, Jilin University, Changchun, China.,Jiangsu Co-innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
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212
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Sha Y, Markovic-Plese S. Activated IL-1RI Signaling Pathway Induces Th17 Cell Differentiation via Interferon Regulatory Factor 4 Signaling in Patients with Relapsing-Remitting Multiple Sclerosis. Front Immunol 2016; 7:543. [PMID: 27965670 PMCID: PMC5126112 DOI: 10.3389/fimmu.2016.00543] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 11/16/2016] [Indexed: 12/30/2022] Open
Abstract
IL-1β plays a crucial role in the differentiation of human Th17 cells. We report here that IL-1RI expression is significantly increased in both naive and memory CD4+ T cells derived from relapsing-remitting multiple sclerosis (RR MS) patients in comparison to healthy controls. Interleukin 1 receptor (IL-1R)I expression is upregulated in the in vitro-differentiated Th17 cells from RR MS patients in comparison to the Th1 and Th2 cell subsets, indicating the role of IL-1R signaling in the Th17 cell differentiation in RR MS. When IL-1RI gene expression was silenced using siRNA, human naive CD4+ T cells cultured in the presence of Th17-polarizing cytokines had a significantly decreased expression of interleukin regulatory factor 4 (IRF4), RORc, IL-17A, IL-17F, IL-21, IL-22, and IL-23R genes, confirming that IL-1RI signaling induces Th17 cell differentiation. Since IL-1R gene expression silencing inhibited IRF4 expression and Th17 differentiation, and IRF4 gene expression silencing inhibited Th17 cell differentiation, our results indicate that IL-1RI induces human Th17 cell differentiation in an IRF4-dependant manner. Our study has identified that IL-1RI-mediated signaling pathway is constitutively activated, leading to an increased Th17 cell differentiation in IRF4-dependent manner in patients with RR MS.
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Affiliation(s)
- Yonggang Sha
- Department of Neurology, University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
| | - Silva Markovic-Plese
- Department of Neurology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA; Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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213
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Discovery and initial characterization of Th9 cells: the early years. Semin Immunopathol 2016; 39:5-10. [PMID: 27896635 DOI: 10.1007/s00281-016-0610-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 11/15/2016] [Indexed: 12/29/2022]
Abstract
The launch of the Th1/Th2 concept represented a decisive breakthrough concerning our understanding of how very diverse immune reactions can be regulated by functionally different T helper subpopulations via the secretion of different panels of cytokines. In this context, IL-9 was identified to be produced by T helper cell lines in addition to Th2 cytokines IL-4 and IL-5. Detailed analyses revealed that IL-9 production of mouse CD4+ T helper cells was dependent on a combination of IL-2, IL-4, and TGF-β. Roughly a decade later, it was found that TGF-β can also induce the development of CD4+ Treg cells. This finding engendered a series of studies on the central role of TGF-β for cytokine-mediated T helper cell differentiation which elucidated that IL-4 curbed the Treg cell-promoting effect of TGF-β while TGF-β impaired the Th2-promoting capacity of IL-4. Instead, TGF-β in combination with IL-4 induced the development of CD4+ T helper cells that preferentially produced IL-9 and that were different from Th2 cells which originally were thought to be the main source of IL-9. In addition, adoptive transfer of such IL-9-producing CD4+ T helper cells was shown to cause the development of colitis and peripheral neuritis. Hence, the unique cytokine expression pattern in combination with the inflammatory in vivo phenotype led to the designation of Th9 cells as a new CD4+ T helper subpopulation.
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214
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Abstract
Interleukin 9 secreting TH9 cells have been proposed as the latest addition to the family of T helper cell subsets. While a growing body of evidence from animal models points to important roles for these cells in allergic inflammation of the lung, autoinflammation of the gastrointestinal tract, and tumor immunity, their role in skin immunity and skin immunopathology remains poorly defined. Interestingly, studies of T helper cells from healthy humans suggest that TH9 cells are predominantly skin-homing and skin-resident and that they are involved in protection against extracellular pathogens. Thus, TH9 cells have entered the stage as potential mediators of cutaneous pathology. However, under which conditions and by which mechanisms these cells contribute to skin immunity and disease still has to be investigated. Here, we review our current understanding of TH9 cells as skin-tropic T helper cells and their involvement in skin pathology. Further, we discuss open questions with regard to the intricate nature of interleukin 9 producing T helper cells.
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Affiliation(s)
- Rachael A Clark
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Christoph Schlapbach
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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215
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Koch S, Sopel N, Finotto S. Th9 and other IL-9-producing cells in allergic asthma. Semin Immunopathol 2016; 39:55-68. [PMID: 27858144 DOI: 10.1007/s00281-016-0601-1] [Citation(s) in RCA: 108] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 10/26/2016] [Indexed: 12/14/2022]
Abstract
Allergic asthma is a worldwide increasing chronic disease of the airways which affects more than 300 million people. It is associated with increased IgE, mast cell activation, airway hyperresponsiveness (AHR), mucus overproduction and remodeling of the airways. Previously, this pathological trait has been associated with T helper type 2 (Th2) cells. Recently, different CD4+ T cell subsets (Th17, Th9) as well as cells of innate immunity, like mast cells and innate lymphoid cells type 2 (ILC2s), which are all capable of producing the rediscovered cytokine IL-9, are known to contribute to this disease. Regarding Th9 cells, it is known that naïve T cells develop into IL-9-producing cells in the presence of interleukin-4 (IL-4) and transforming growth factor beta (TGFβ). Downstream of IL-4, several transcription factors like signal transducer and activator of transcription 6 (STAT6), interferon regulatory factor 4 (IRF4), GATA binding protein 3 (GATA3), basic leucine zipper transcription factor, ATF-like (BATF) and nuclear factor of activated T cells (NFAT) are activated. Additionally, the transcription factor PU.1, which is downstream of TGFβ signaling, also seems to be crucial in the development of Th9 cells. IL-9 is a pleiotropic cytokine that influences various distinct functions of different target cells such as T cells, B cells, mast cells and airway epithelial cells by activating STAT1, STAT3 and STAT5. Because of its pleiotropic functions, IL-9 has been demonstrated to be involved in several diseases, such as cancer, autoimmunity and other pathogen-mediated immune-regulated diseases. In this review, we focus on the role of Th9 and IL-9-producing cells in allergic asthma.
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Affiliation(s)
- Sonja Koch
- Department of Molecular Pneumology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, 91052, Erlangen, Germany
| | - Nina Sopel
- Department of Molecular Pneumology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, 91052, Erlangen, Germany
| | - Susetta Finotto
- Department of Molecular Pneumology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, Universitätsklinikum Erlangen, 91052, Erlangen, Germany.
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216
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Berker M, Frank LJ, Geßner AL, Grassl N, Holtermann AV, Höppner S, Kraef C, Leclaire MD, Maier P, Messerer DAC, Möhrmann L, Nieke JP, Schoch D, Soll D, Woopen CMP. Allergies - A T cells perspective in the era beyond the T H1/T H2 paradigm. Clin Immunol 2016; 174:73-83. [PMID: 27847316 DOI: 10.1016/j.clim.2016.11.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2016] [Revised: 11/02/2016] [Accepted: 11/09/2016] [Indexed: 12/11/2022]
Abstract
Allergic diseases have emerged as a major health care burden, especially in the western hemisphere. They are defined by overshooting reactions of an aberrant immune system to harmless exogenous stimuli. The TH1/TH2 paradigm assumes that a dominance of TH2 cell activation and an inadequate TH1 cell response are responsible for the development of allergies. However, the characterization of additional T helper cell subpopulations such as TH9, TH17, TH22, THGM-CSF and their interplay with regulatory T cells suggest further layers of complexity. This review summarizes state-of-the-art knowledge on T cell diversity and their induction, while revisiting the TH1/TH2 paradigm. With respect to these numerous contributors, it offers a new perspective on the pathogenesis of asthma, allergic rhinitis (AR) and atopic dermatitis (AD) incorporating recent discoveries in the field of T cell plasticity.
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Affiliation(s)
- Moritz Berker
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Larissa Johanna Frank
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Anja Lidwina Geßner
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Niklas Grassl
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Anne Verena Holtermann
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Stefanie Höppner
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Christian Kraef
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany.
| | - Martin Dominik Leclaire
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Pia Maier
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | | | - Lino Möhrmann
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Jan Philipp Nieke
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Diana Schoch
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
| | - Dominik Soll
- German Academic Scholarship Foundation - Studienstiftung des deutschen Volkes, Bonn, Germany
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217
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The transcription factor network in Th9 cells. Semin Immunopathol 2016; 39:11-20. [PMID: 27837254 DOI: 10.1007/s00281-016-0600-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 10/24/2016] [Indexed: 12/20/2022]
Abstract
The development of T helper cell subsets requires activated T cells that respond to a polarizing cytokine environment resulting in the activation and expression of transcription factors. The subset-specific transcription factors bind and induce the production of specific effector cytokines. Th9 cells express IL-9 and develop in the presence of TGFβ, IL-4, and IL-2. Each of these cytokines activates signaling pathways that are required for Th9 differentiation and IL-9 production. In this review, I summarize what is currently understood about the signaling pathways and transcription factors that promote the Th9 genetic program, providing some perspective for the integration of the signals in regulating the Il9 gene and dictating the expression of other Th9-associated genes. I highlight how experiments in mouse cells have established a transcriptional network that is conserved in human T cells and set the stage toward defining the next important questions for a more detailed understanding of Th9 cell development and function.
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218
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Weigmann B, Neurath MF. Th9 cells in inflammatory bowel diseases. Semin Immunopathol 2016; 39:89-95. [PMID: 27837255 DOI: 10.1007/s00281-016-0603-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 10/31/2016] [Indexed: 12/11/2022]
Abstract
Inflammatory bowel diseases are chronic, relapsing, immunologically mediated disorders of the gastrointestinal tract. Emerging evidence suggests a critical functional role of transcription factors and T cell-related cytokines in ulcerative colitis and Crohn's disease. Gut-residing T cells from patients with inflammatory bowel disease produce high amounts of IL-9. Experimental models of colitis highlighted that IL-9-producing T cells critically interfered with an intact barrier function of the intestinal epithelium by impacting cellular proliferation and tight junction molecules. The blockade of IL-9 was suited to significantly ameliorate the disease activity and severity in experimental models of inflammatory bowel disease thereby suggesting that targeting IL-9 might function as a novel targeted approach for therapy.
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Affiliation(s)
- Benno Weigmann
- Department of Medicine 1, Kussmaul Campus for Medical Research, Ludwig Demling Endoscopy Center of Excellence, University of Erlangen-Nürnberg, Erlangen, Germany
| | - Markus F Neurath
- Department of Medicine 1, Kussmaul Campus for Medical Research, Ludwig Demling Endoscopy Center of Excellence, University of Erlangen-Nürnberg, Erlangen, Germany.
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219
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Nam S, Lim JS. Essential role of interferon regulatory factor 4 (IRF4) in immune cell development. Arch Pharm Res 2016; 39:1548-1555. [DOI: 10.1007/s12272-016-0854-1] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 10/28/2016] [Indexed: 12/11/2022]
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220
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Zhang Y, Zhao Y, Li J, Wang S, Liu Y, Nie L, Cheng L. Interleukin-9 Promotes TNF-α and PGE2 Release in Human Degenerated Intervertebral Disc Tissues. Spine (Phila Pa 1976) 2016; 41:1631-1640. [PMID: 27802252 DOI: 10.1097/brs.0000000000001621] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Based on human disc surgical samples and isolated cells in vitro, we undertook a descriptive and mechanistic investigation of proinflammatory effects of interleukin (IL)-9 in intervertebral disc (IVD) degeneration. OBJECTIVE To investigate the proinflammatory role of IL-9 in the pathological process of IVD degeneration. SUMMARY OF BACKGROUND DATA IL-9 is known as a pleiotropic cytokine that regulates the human pathogenesis of inflammatory and autoimmune diseases. However, whether IL-9 cytokine is involved in the immuno-inflammatory pathogenesis of IVD degeneration is unclear. METHODS The IVD samples were obtained from 45 patients. Immunohistochemistry, western blot, and real-time Polymerase Chain Reaction (PCR) were performed to detect the expression of IL-9 and tumor necrosis factor alpha (TNF-α) in the degenerated IVDs. Moreover, nucleus pulposus (NP) cells were treated with 0, 1, 10, and 100 ng/mL IL-9 cytokine and stimulated with IL-9 alone at 100 ng/mL for 0, 12, 24, and 48 hours. TNF-α expression was determined by immunofluorescence staining, western blot, and real-time PCR, respectively. The amounts of TNF-α and prostaglandin E2 (PGE2) in the supernatant were quantified by enzyme-linked immunosorbent assay. Additionally, Spearman correlation analyses were performed to analyze the correlation between Pfirrmann grading score of the involved degenerated IVDs and serum levels of IL-9. RESULTS The expressions of IL-9 and TNF-α in degenerated IVD tissues were dramatically elevated in comparison with the control. IL-9 significantly up-regulated the TNF-α and PGE2 secretion of NP cells in dose- and time-dependent manner. Moreover, there is a positive correlation between IL-9 serum level and severity of involved IVD degeneration. CONCLUSION Our findings suggest that IL-9 may play a potential role in the inflammatory processes of IVD degeneration. IL-9 may be involved in the IVD degeneration, at least in part, though stimulating the release of TNF-α and PGE2 in NP cells. LEVEL OF EVIDENCE N/A.
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Affiliation(s)
- Yuanqiang Zhang
- Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong, China
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221
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Bao K, Carr T, Wu J, Barclay W, Jin J, Ciofani M, Reinhardt RL. BATF Modulates the Th2 Locus Control Region and Regulates CD4+ T Cell Fate during Antihelminth Immunity. THE JOURNAL OF IMMUNOLOGY 2016; 197:4371-4381. [PMID: 27798167 DOI: 10.4049/jimmunol.1601371] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 09/27/2016] [Indexed: 11/19/2022]
Abstract
The AP-1 factor basic leucine zipper transcription factor, ATF-like (BATF) is important for CD4+ Th17, Th9, and follicular Th cell development. However, its precise role in Th2 differentiation and function remains unclear, and the requirement for BATF in nonallergic settings of type-2 immunity has not been explored. In this article, we show that, in response to parasitic helminths, Batf-/- mice are unable to generate follicular Th and Th2 cells. As a consequence, they fail to establish productive type-2 immunity during primary and secondary infection. Batf-/- CD4+ T cells do not achieve type-2 cytokine competency, which implies that BATF plays a key role in the regulation of IL-4 and IL-13. In contrast to Th17 and Th9 cell subsets in which BATF binds directly to promoter and enhancer regions to regulate cytokine expression, our results show that BATF is significantly enriched at Rad50 hypersensitivity site (RHS)6 and RHS7 of the locus control region relative to AP-1 sites surrounding type-2 cytokine loci in Th2 cells. Indeed, Batf-/- CD4+ T cells do not obtain permissive epigenetic modifications within the Th2 locus, which were linked to RHS6 and RHS7 function. In sum, these findings reveal BATF as a central modulator of peripheral and humoral hallmarks of type-2 immunity and begin to elucidate a novel mechanism by which it regulates type-2 cytokine production through its modification of the Th2 locus control region.
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Affiliation(s)
- Katherine Bao
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - Tiffany Carr
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - Jianxuan Wu
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - William Barclay
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - Jingxiao Jin
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - Maria Ciofani
- Department of Immunology, Duke University Medical Center, Durham, NC 27710; and
| | - R Lee Reinhardt
- Department of Biomedical Research, National Jewish Health, Denver, CO 80206
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Mahnke J, Schumacher V, Ahrens S, Käding N, Feldhoff LM, Huber M, Rupp J, Raczkowski F, Mittrücker HW. Interferon Regulatory Factor 4 controls T H1 cell effector function and metabolism. Sci Rep 2016; 6:35521. [PMID: 27762344 PMCID: PMC5071867 DOI: 10.1038/srep35521] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 09/28/2016] [Indexed: 12/20/2022] Open
Abstract
The transcription factor Interferon Regulatory Factor 4 (IRF4) is essential for TH2 and TH17 cell formation and controls peripheral CD8+ T cell differentiation. We used Listeria monocytogenes infection to characterize the function of IRF4 in TH1 responses. IRF4−/− mice generated only marginal numbers of listeria-specific TH1 cells. After transfer into infected mice, IRF4−/− CD4+ T cells failed to differentiate into TH1 cells as indicated by reduced T-bet and IFN-γ expression, and showed limited proliferation. Activated IRF4−/− CD4+ T cells exhibited diminished uptake of the glucose analog 2-NBDG, limited oxidative phosphorylation and strongly reduced aerobic glycolysis. Insufficient metabolic adaptation contributed to the limited proliferation and TH1 differentiation of IRF4−/− CD4+ T cells. Our study identifies IRF4 as central regulator of TH1 responses and cellular metabolism. We propose that this function of IRF4 is fundamental for the initiation and maintenance of all TH cell responses.
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Affiliation(s)
- Justus Mahnke
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Valéa Schumacher
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Stefanie Ahrens
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Nadja Käding
- Department of Infectious Diseases and Microbiology, University of Lübeck, Lübeck, Germany
| | - Lea Marie Feldhoff
- Department of Infectious Diseases and Microbiology, University of Lübeck, Lübeck, Germany
| | - Magdalena Huber
- Institute for Medical Microbiology and Hospital Hygiene, University of Marburg, Marburg, Germany
| | - Jan Rupp
- Department of Infectious Diseases and Microbiology, University of Lübeck, Lübeck, Germany
| | - Friederike Raczkowski
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Hans-Willi Mittrücker
- Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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Abstract
Vδ2Vγ9 T cells are the dominant γδ T-cell subset in human peripheral blood. Vδ2 T cells recognize pyrophosphate molecules derived from microbes or tumor cells; hence, they play a role in antimicrobial and antitumor immunity. TGF-β, together with IL-15, induces a regulatory phenotype in Vδ2 T cells, characterized by forkhead box protein P3 (FoxP3) expression and suppressive activity on CD4 T-cell activation. We performed a genome-wide transcriptome analysis and found that the same conditions (TGF-β plus IL-15) strongly enhanced the expression of additional genes in Vδ2 T cells, including IKAROS family zinc finger 4 (IKZF4; Eos), integrin subunit alpha E (ITGAE; CD103/αEβ7), and IL9 This up-regulation was associated with potent IL-9 production as revealed by flow cytometry and multiplex analysis of cell culture supernatants. In contrast to CD4 and CD8 αβ T cells, γδ T cells did not require IL-4 for induction of intracellular IL-9 expression. Upon antigen restimulation of Vδ2 T cells expanded in vitro in the presence of TGF-β and IL-15, IL-9 was the most abundant among 16 analyzed cytokines and chemokines. IL-9 is a pleiotropic cytokine involved in various (patho)physiological conditions, including allergy and tumor defense, where it can promote antitumor immunity. Given the conspicuous sensitivity of many different tumors to Vδ2 T-cell-mediated killing, the conditions defined here for strong induction of IL-9 might be relevant for the development of Vδ2 T-cell-based immunotherapy.
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Qiao J, Li X, Wu Y, Wu X, Zhu F, Liu N, Qi K, Cheng H, Li D, Sun H, Zeng L, Xu K. An increased expression profile of Th9/IL-9 correlated with Th17/IL-17 in patients with immune thrombocytopenia. Platelets 2016; 28:287-294. [PMID: 27662073 DOI: 10.1080/09537104.2016.1218454] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jianlin Qiao
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
- Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Xiaoqian Li
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Yulu Wu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Xiaoqing Wu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
| | - Feng Zhu
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Na Liu
- Department of Hematology, Tengzhou Central People’s Hospital, Tengzhou, China
| | - Kunming Qi
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Hai Cheng
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Depeng Li
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Haiying Sun
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Lingyu Zeng
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
- Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
| | - Kailin Xu
- Blood Diseases Institute, Xuzhou Medical University, Xuzhou, China
- Department of Hematology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
- Key Laboratory of Bone Marrow Stem Cell, Jiangsu Province, Xuzhou, China
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225
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Jacobson E, Perry JK, Long DS, Vickers MH, O'Sullivan JM. A potential role for genome structure in the translation of mechanical force during immune cell development. Nucleus 2016; 7:462-475. [PMID: 27673560 PMCID: PMC5120600 DOI: 10.1080/19491034.2016.1238998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/11/2016] [Accepted: 09/13/2016] [Indexed: 12/29/2022] Open
Abstract
Immune cells react to a wide range of environments, both chemical and physical. While the former has been extensively studied, there is growing evidence that physical and in particular mechanical forces also affect immune cell behavior and development. In order to elicit a response that affects immune cell behavior or development, environmental signals must often reach the nucleus. Chemical and mechanical signals can initiate signal transduction pathways, but mechanical forces may also have a more direct route to the nucleus, altering nuclear shape via mechanotransduction. The three-dimensional organization of DNA allows for the possibility that altering nuclear shape directly remodels chromatin, redistributing critical regulatory elements and proteins, and resulting in wide-scale gene expression changes. As such, integrating mechanotransduction and genome architecture into the immunology toolkit will improve our understanding of immune development and disease.
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Affiliation(s)
- Elsie Jacobson
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Jo K. Perry
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - David S. Long
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Mark H. Vickers
- Liggins Institute, University of Auckland, Auckland, New Zealand
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226
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Saeki M, Kaminuma O, Nishimura T, Kitamura N, Mori A, Hiroi T. Th9 cells elicit eosinophil-independent bronchial hyperresponsiveness in mice. Allergol Int 2016; 65 Suppl:S24-9. [PMID: 27297515 DOI: 10.1016/j.alit.2016.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 04/15/2016] [Accepted: 05/05/2016] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Airway accumulation of eosinophils and bronchial hyperresponsiveness (BHR) are prominent features of bronchial asthma, though the contribution of eosinophils to the development of BHR is controversial. Similar to Th2 cell-mediated pathology, Th9 cells, characterized by IL-9-producing activity, have been demonstrated to induce airway eosinophilia and BHR. In this study, we investigated the role of eosinophils in Th9-mediated BHR by employing Th9 cell-transferred murine airway inflammation model. METHODS Ovalbumin (OVA)-specific Th2 and Th9 cells were differentiated from CD4(+) T cells of DO11.10/RAG-2(-/-) mice in vitro and cytokine-producing activity of those cells was examined. BALB/c mice were adoptively transferred with Th2 or Th9 cells and challenged with OVA. Then, the number of inflammatory cells in bronchoalveolar lavage fluid and bronchial responsiveness to inhaled methacholine were determined. RESULTS Both in Th2 and Th9 cell-transferred mice, substantial accumulation of eosinophils in the lungs and BHR were induced by challenge with specific antigen. Nevertheless, an essential and dispensable role of eosinophils in Th2- and Th9-mediated BHR, respectively, was demonstrated by employing eosinophil-deficient mice. The neutralization of IL-9 as well as deficiency of IL-10 in the donor cells did not affect Th9-mediated BHR. CONCLUSIONS In contrast to Th2-mediated and eosinophil-dependent BHR, Th9 could induce BHR independently from eosinophils and its characteristic cytokines, IL-9 and IL-10.
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Affiliation(s)
- Mayumi Saeki
- Allergy and Immunology Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan.
| | - Osamu Kaminuma
- Allergy and Immunology Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Tomoe Nishimura
- Allergy and Immunology Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Noriko Kitamura
- Allergy and Immunology Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Akio Mori
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization, Sagamihara National Hospital, Kanagawa, Japan
| | - Takachika Hiroi
- Allergy and Immunology Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
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227
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Schütze N, Trojandt S, Kuhn S, Tomm JM, von Bergen M, Simon JC, Polte T. Allergen-Induced IL-6 Regulates IL-9/IL-17A Balance in CD4+ T Cells in Allergic Airway Inflammation. THE JOURNAL OF IMMUNOLOGY 2016; 197:2653-64. [PMID: 27574298 DOI: 10.4049/jimmunol.1501599] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 08/02/2016] [Indexed: 12/21/2022]
Abstract
IL-9-secreting Th9 cells have been considered to play a pivotal role in the pathogenesis of atopic diseases. To what extent IL-9-producing cells are induced or regulated by sensitization with naturally occurring allergens is not yet clear. Naturally occurring allergens are capable of inducing IL-6 production in dendritic cells (DCs). Whether allergen-induced IL-6 supports a Th9 subtype by increasing IL-9 production, as observed in in vitro studies, or rather favors Th17 differentiation is not finally resolved. Therefore, in the present study we have investigated the impact of IL-6 on the Th9/Th17 balance depending on the predominant cytokine milieu and, additionally, in vivo using a DC-driven murine asthma model. In vitro, IL-6 increases Th9 cells under strong IL-4 and TGF-β activation, whereas under moderate IL-4 and TGF-β activation the presence of IL-6 shifts naive CD4(+) cells to Th17 cells. To induce allergic airway inflammation, OVA-pulsed DCs from IL-6-deficient or wild-type donors were adoptively transferred into BALB/c mice. Recipients receiving IL-6-producing wild-type DCs showed a significant decrease of Th9- and IL-4-producing Th2 cells but an increase of Th17 cells in lung tissue in comparison with recipients sensitized with IL-6-deficient DCs. Our data suggest that the IL-6-mediated reduction of Th2-related IL-4 leads to a decline of the Th9 immune response and allows Th17 differentiation.
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Affiliation(s)
- Nicole Schütze
- Leipzig Research Center for Civilization Diseases, Junior Research Group on Pathogenesis of New Allergies, Leipzig University Medical Center, 04103 Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, 04103 Leipzig, Germany;
| | - Stefanie Trojandt
- Leipzig Research Center for Civilization Diseases, Junior Research Group on Pathogenesis of New Allergies, Leipzig University Medical Center, 04103 Leipzig, Germany; Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, 04103 Leipzig, Germany
| | - Stephanie Kuhn
- Department of Environmental Immunology, UFZ-Helmholtz Center for Environmental Research, 04318 Leipzig, Germany
| | - Janina M Tomm
- Department of Proteomics, UFZ-Helmholtz Center for Environmental Research, 04318 Leipzig, Germany
| | - Martin von Bergen
- Department of Proteomics, UFZ-Helmholtz Center for Environmental Research, 04318 Leipzig, Germany; Department of Metabolomics, UFZ-Helmholtz Center for Environmental Research, 04318 Leipzig, Germany; and Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark
| | - Jan C Simon
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, 04103 Leipzig, Germany
| | - Tobias Polte
- Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, 04103 Leipzig, Germany; Department of Environmental Immunology, UFZ-Helmholtz Center for Environmental Research, 04318 Leipzig, Germany
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228
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Protein kinase CK2 governs the molecular decision between encephalitogenic TH17 cell and Treg cell development. Proc Natl Acad Sci U S A 2016; 113:10145-50. [PMID: 27555590 DOI: 10.1073/pnas.1523869113] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
T helper 17 (TH17) cells represent a discrete TH cell subset instrumental in the immune response to extracellular bacteria and fungi. However, TH17 cells are considered to be detrimentally involved in autoimmune diseases like multiple sclerosis (MS). In contrast to TH17 cells, regulatory T (Treg) cells were shown to be pivotal in the maintenance of peripheral tolerance. Thus, the balance between Treg cells and TH17 cells determines the severity of a TH17 cell-driven disease and therefore is a promising target for treating autoimmune diseases. However, the molecular mechanisms controlling this balance are still unclear. Here, we report that pharmacological inhibition as well as genetic ablation of the protein kinase CK2 (CK2) ameliorates experimental autoimmune encephalomyelitis (EAE) severity and relapse incidence. Furthermore, CK2 inhibition or genetic ablation prevents TH17 cell development and promotes the generation of Treg cells. Molecularly, inhibition of CK2 leads to reduced STAT3 phosphorylation and strongly attenuated expression of the IL-23 receptor, IL-17, and GM-CSF. Thus, these results identify CK2 as a nodal point in TH17 cell development and suggest this kinase as a potential therapeutic target to treat TH17 cell-driven autoimmune responses.
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229
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Interleukin-17 inhibits development of malignant pleural effusion via interleukin-9-dependent mechanism. SCIENCE CHINA-LIFE SCIENCES 2016; 59:1297-1304. [PMID: 27535421 DOI: 10.1007/s11427-016-0097-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 07/05/2016] [Indexed: 10/21/2022]
Abstract
Th17 and Th9 cells have been demonstrated to possess immune regulatory functions in malignant pleural effusion (MPE). However, whether IL-17 can affect differentiation and function of Th9 cells in MPE remains unknown. The objective of the present study was to explore the impact of IL-17 on the in vivo differentiation of Th9 cells in relation to Th2 cells in a murine model of MPE, and to explore whether IL-17 inhibits MPE formation via IL-9‒dependent mechanism. It was found that Th9 and Th2 cells were decreased in MPE from IL-17 -/- mice as compared with wild type mice. IL-17 deficiency inhibited Th9 and Th2 cell differentiation via suppressing transcription factors IRF4 and GATA-3, respectively. IL-17 deficiency enhanced MPE formation by promoting angiogenesis and proliferation of pleural tumors, and thus accelerated the death of mice bearing MPE. The in vivo administration of anti-IL-9 neutralizing mAb accelerated the death of WT mice; whereas administration of exogenous IL-9 improved the survival of IL-17 -/- mice. Our data provide the first definitive evidence that IL-17 promotes the differentiation of Th9 and Th2 cells in MPE. Our findings also demonstrate that IL-17 inhibits the formation of MPE and improves the survival of mice bearing MPE via an IL-9-dependent mechanism.
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230
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Li C, Jiang X, Luo M, Feng G, Sun Q, Chen Y. Mycobacterium vaccae Nebulization Can Protect against Asthma in Balb/c Mice by Regulating Th9 Expression. PLoS One 2016; 11:e0161164. [PMID: 27518187 PMCID: PMC4982628 DOI: 10.1371/journal.pone.0161164] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 08/01/2016] [Indexed: 11/19/2022] Open
Abstract
Asthma is a heterogeneous disease characterized by chronic airway inflammation. CD4(+) T-helper 9 (Th9) cells are closely linked to asthma, helping to regulate inflammation and immunity. Epidemiological studies showed that mycobacteria infections are negatively associated with asthma. Our previous research showed that inactivated Mycobacterium phlei nebulization alleviated the airway hyperresponsiveness and inflammation of asthma. However, the relationship between Th9 cells and mycobacteria remains unknown. Here, we evaluated the relationship between Mycobacterium vaccae nebulization and Th9 cells in asthmatic mice. Eighteen Balb/c mice were randomized into 3 groups of 6 mice each (normal control group, asthma control group, and nebulization asthma group [Neb. group]). The Neb. group was nebulized with M. vaccae one month before establishment of the asthmatic model with ovalbumin (OVA) sensitization, and the normal and asthma control groups were nebulized with phosphate-buffered saline. The hyperresponsiveness of the mouse airways was assessed using a non-invasive lung function machine. Lung airway inflammation was evaluated by hematoxylin and eosin and periodic acid-Schiff staining. Cytokine interlukin-9 (IL-9) concentration and OVA-specific IgE in the bronchoalveolar lavage fluid were measured by enzyme-linked immunosorbent assays. The percentages of γδTCR+ CD3+, IL-9+CD3+, IL-10+CD3+ lymphocytes, and IL9+γδT and IL-10+γδT cells were detected by flow cytometry. The airway inflammation and concentration of IL-9 and OVA-specific IgE were significantly reduced in the Neb. group compared to the asthma control group. The Neb. group had lower airway hyperresponsiveness, percentages of γδTCR+CD3+ and IL-9+CD3+ lymphocytes, and IL9+γδT cells, and higher percentages of IL-10+CD3+ lymphocytes and IL-10+γδT cells compared to the asthma control group. Thus, mouse bronchial asthma could be prevented by M. vaccae nebulization. The mechanism could involve M. vaccae-mediated effects on induction of IL-9 secretion and suppression of IL-10 secretion from γδT cells. γδT cells showed prominent IL-10 expression, indicating that they possibly belong to the Th9 family.
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Affiliation(s)
- Chaoqian Li
- Department of Respiratory Medicine, Guangxi Medical College, Nanning, Guangxi, China
- Department of Geriatric Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Xiaohong Jiang
- Department of Geriatric Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
- * E-mail:
| | - Mingjie Luo
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Guangyi Feng
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Qixiang Sun
- The Graduate School of Guangxi Medical University, Nanning, Guangxi, China
| | - Yiping Chen
- Department of Geriatric Disease, The National Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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Koh B, Hufford MM, Pham D, Olson MR, Wu T, Jabeen R, Sun X, Kaplan MH. The ETS Family Transcription Factors Etv5 and PU.1 Function in Parallel To Promote Th9 Cell Development. THE JOURNAL OF IMMUNOLOGY 2016; 197:2465-72. [PMID: 27496971 DOI: 10.4049/jimmunol.1502383] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 07/04/2016] [Indexed: 12/15/2022]
Abstract
The IL-9-secreting Th9 subset of CD4 Th cells develop in response to an environment containing IL-4 and TGF-β, promoting allergic disease, autoimmunity, and resistance to pathogens. We previously identified a requirement for the ETS family transcription factor PU.1 in Th9 development. In this report, we demonstrate that the ETS transcription factor ETS variant 5 (ETV5) promotes IL-9 production in Th9 cells by binding and recruiting histone acetyltransferases to the Il9 locus at sites distinct from PU.1. In cells that are deficient in both PU.1 and ETV5 there is lower IL-9 production than in cells lacking either factor alone. In vivo loss of PU.1 and ETV5 in T cells results in distinct effects on allergic inflammation in the lung, suggesting that these factors function in parallel. Together, these data define a role for ETV5 in Th9 development and extend the paradigm of related transcription factors having complementary functions during differentiation.
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Affiliation(s)
- Byunghee Koh
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Matthew M Hufford
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Duy Pham
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Matthew R Olson
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Tong Wu
- Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN 46202; and
| | - Rukhsana Jabeen
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202
| | - Xin Sun
- Laboratory of Genetics, University of Wisconsin-Madison, Madison, WI 53706
| | - Mark H Kaplan
- Department of Pediatrics, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN 46202;
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232
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Th9 lymphocytes: A recent history from IL-9 to its potential role in rheumatic diseases. Autoimmun Rev 2016; 15:649-55. [DOI: 10.1016/j.autrev.2016.02.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 02/21/2016] [Indexed: 12/24/2022]
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233
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Reuter S, Maxeiner J, Meyer-Martin H, Michel A, Baars P, Bopp T, Waisman A, Reissig S, Wehler TC, Schild H, Taube C, Stassen M, Becker M. Cylindromatosis (Cyld) gene mutation in T cells promotes the development of an IL-9-dependent allergic phenotype in experimental asthma. Cell Immunol 2016; 308:27-34. [PMID: 27372382 DOI: 10.1016/j.cellimm.2016.06.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Revised: 06/22/2016] [Accepted: 06/22/2016] [Indexed: 12/31/2022]
Abstract
Cylindromatosis (CYLD) is a ubiquitously expressed deubiquitinating enzyme which removes activating ubiquitin residues from important signaling molecules of the NF-κB pathway. In CYLDex7/8 transgenic mice, a naturally occurring short isoform (sCYLD) is overexpressed in the absence of full length CYLD, leading to excessive NF-κB activity. Herein, we investigated the impact of the CYLDex7/8 mutation selectively in T cells on the development of experimental allergic airway disease induced by sensitization and challenge with ovalbumin. Compared with their wildtype littermates, mice bearing the T cell-specific mutation (CD4+CYLDex7/8) display stronger eosinophilia and mucus production in the lungs and higher IgE serum levels. The reason for these observations is excessive production of T cell-derived IL-9, a cytokine to whom allergy-promoting properties were ascribed. Consequently, blockade of IL-9 in CD4+CYLDex7/8 mice alleviates the development of disease symptoms. Thus, by polarization of the T cell cytokine response, sCYLD can favor the development of allergic airway disease.
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Affiliation(s)
- Sebastian Reuter
- III. Medical Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Germany; Div. of Experimental Asthma Research, Leibniz-Center for Medicine and Biosciences, Borstel, Germany
| | - Joachim Maxeiner
- Asthma Core Facility, Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Helen Meyer-Martin
- III. Medical Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Anastasija Michel
- Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Pamela Baars
- Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Tobias Bopp
- Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Ari Waisman
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Sonja Reissig
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Thomas C Wehler
- Department of Internal Medicine V - Pulmonology, Allergology and Respiratory Critical Care Medicine, Saarland University Medical Center, Homburg, Germany
| | - Hansjörg Schild
- Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Christian Taube
- III. Medical Clinic, University Medical Center of the Johannes Gutenberg-University Mainz, Germany; Asthma Core Facility, Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany; Dept. of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands
| | - Michael Stassen
- Asthma Core Facility, Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany; Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany.
| | - Marc Becker
- Institute for Immunology and Research Center for Immunotherapy, University Medical Center of the Johannes Gutenberg-University Mainz, Germany; Institute of Pathology, Saarland University Medical Center, Homburg, Germany.
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234
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Vegran F, Martin F, Apetoh L, Ghiringhelli F. [Th9 cells: a new population of helper T cells]. Med Sci (Paris) 2016; 32:387-93. [PMID: 27137696 DOI: 10.1051/medsci/20163204017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Th9 cells are CD4 T helper cells characterized by their ability to produce IL-9 and IL-21. These cells are obtained from naive CD4(+) T cells cultured in the presence of TGF-β and IL-4. Thus their differentiation results from the balance between the signaling pathways induced by IL-4 in one hand and the one induced by TGF-β in the other hand. These cells are inflammatory cells and were first described in the context of atopic and autoimmune diseases in which they have a pathogenic role. They are also involved in the defense against parasite infections. Recently, some reports defined Th9 anticancer properties through their cytokine secretion. Indeed, their high secretion of IL-9 and IL-21 in the tumor bed contributes to their anticancer functions. These cytokines trigger the activation of dendritic cells, mast cells, natural killer cells, and CD8 T cells to mount an antitumor immune response.
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Affiliation(s)
- Frédérique Vegran
- Centre Georges François Leclerc, 1, rue du Professeur Marion, 21079 Dijon, France - Inserm, U866, faculté de médecine et de pharmacie, 7, boulevard Jeanne d'Arc, 21079 Dijon, France - Université de Bourgogne, faculté de médecine, 7, boulevard Jeanne d'Arc, 21079 Dijon, France
| | - François Martin
- Inserm, U866, faculté de médecine et de pharmacie, 7, boulevard Jeanne d'Arc, 21079 Dijon, France
| | - Lionel Apetoh
- Centre Georges François Leclerc, 1, rue du Professeur Marion, 21079 Dijon, France - Inserm, U866, faculté de médecine et de pharmacie, 7, boulevard Jeanne d'Arc, 21079 Dijon, France - Université de Bourgogne, faculté de médecine, 7, boulevard Jeanne d'Arc, 21079 Dijon, France
| | - François Ghiringhelli
- Centre Georges François Leclerc, 1, rue du Professeur Marion, 21079 Dijon, France - Inserm, U866, faculté de médecine et de pharmacie, 7, boulevard Jeanne d'Arc, 21079 Dijon, France - Université de Bourgogne, faculté de médecine, 7, boulevard Jeanne d'Arc, 21079 Dijon, France
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235
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Abdul-Wahid A, Cydzik M, Prodeus A, Alwash M, Stanojcic M, Thompson M, Huang EHB, Shively JE, Gray-Owen SD, Gariépy J. Induction of antigen-specific TH9 immunity accompanied by mast cell activation blocks tumor cell engraftment. Int J Cancer 2016; 139:841-53. [DOI: 10.1002/ijc.30121] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 03/09/2016] [Indexed: 02/01/2023]
Affiliation(s)
- Aws Abdul-Wahid
- Department of Medical Biophysics; University of Toronto; Toronto ON Canada
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
| | - Marzena Cydzik
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
| | - Aaron Prodeus
- Department of Medical Biophysics; University of Toronto; Toronto ON Canada
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
| | - Mays Alwash
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
- Department of Pharmaceutical Sciences; University of Toronto; Toronto ON Canada
| | - Mile Stanojcic
- Division of Plastic Surgery Department of Surgery; University of Toronto; ON Canada
| | - Megan Thompson
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
| | - Eric H.-B. Huang
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
| | - John E. Shively
- Department of Immunology; Beckman Research Institute; City of Hope, Duarte CA
| | - Scott D. Gray-Owen
- Department of Molecular Genetics; University of Toronto; Toronto ON Canada
| | - Jean Gariépy
- Department of Medical Biophysics; University of Toronto; Toronto ON Canada
- Physical Sciences; Sunnybrook Research Institute; Toronto ON CANADA
- Department of Pharmaceutical Sciences; University of Toronto; Toronto ON Canada
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236
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Karczewski J, Dobrowolska A, Rychlewska-Hańczewska A, Adamski Z. New insights into the role of T cells in pathogenesis of psoriasis and psoriatic arthritis. Autoimmunity 2016; 49:435-450. [DOI: 10.3109/08916934.2016.1166214] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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237
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Guedes PMM, de Andrade CM, Nunes DF, de Sena Pereira N, Queiroga TBD, Machado-Coelho GLL, Nascimento MSL, Do-Valle-Matta MA, da Câmara ACJ, Chiari E, Galvão LMDC. Inflammation Enhances the Risks of Stroke and Death in Chronic Chagas Disease Patients. PLoS Negl Trop Dis 2016; 10:e0004669. [PMID: 27115869 PMCID: PMC4846156 DOI: 10.1371/journal.pntd.0004669] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 04/06/2016] [Indexed: 12/22/2022] Open
Abstract
Ischemic strokes have been implicated as a cause of death in Chagas disease patients. Inflammation has been recognized as a key component in all ischemic processes, including the intravascular events triggered by vessel interruption, brain damage and repair. In this study, we evaluated the association between inflammatory markers and the death risk (DR) and stroke risk (SR) of patients with different clinical forms of chronic Chagas disease. The mRNA expression levels of cytokines, transcription factors expressed in the adaptive immune response (Th1, Th2, Th9, Th17, Th22 and regulatory T cell), and iNOS were analyzed by real-time PCR in peripheral blood mononuclear cells of chagasic patients who exhibited the indeterminate, cardiac, digestive and cardiodigestive clinical forms of the disease, and the levels of these transcripts were correlated with the DR and SR. Cardiac patients exhibited lower mRNA expression levels of GATA-3, FoxP3, AHR, IL-4, IL-9, IL-10 and IL-22 but exhibited higher expression of IFN-γ and TNF-α compared with indeterminate patients. Digestive patients showed similar levels of GATA-3, IL-4 and IL-10 than indeterminate patients. Cardiodigestive patients exhibited higher levels of TNF-α compared with indeterminate and digestive patients. Furthermore, we demonstrated that patients with high DR and SR exhibited lower GATA-3, FoxP3, and IL-10 expression and higher IFN-γ, TNF-α and iNOS mRNA expression than patients with low DR and SR. A negative correlation was observed between Foxp3 and IL-10 mRNA expression and the DR and SR. Moreover, TNF-α and iNOS expression was positively correlated with DR and SR. Our data suggest that an inflammatory imbalance in chronic Chagas disease patients is associated with a high DR and SR. This study provides a better understanding of the stroke pathobiology in the general population and might aid the development of therapeutic strategies for controlling the morbidity and mortality of Chagas disease.
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Affiliation(s)
- Paulo Marcos Matta Guedes
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Rio Grande do Norte, Natal, Brazil
| | - Cléber Mesquita de Andrade
- Department of Biomedical Sciences, University of Rio Grande do Norte State, Rio Grande do Norte, Mossoró, Brazil
| | - Daniela Ferreira Nunes
- Department of Parasitology, Federal University of Minas Gerais, Minas Gerais, Belo Horizonte, Brazil
| | - Nathalie de Sena Pereira
- Department of Microbiology and Parasitology, Federal University of Rio Grande do Norte, Rio Grande do Norte, Natal, Brazil
- Department of Parasitology, Federal University of Minas Gerais, Minas Gerais, Belo Horizonte, Brazil
| | | | | | | | | | | | - Egler Chiari
- Department of Parasitology, Federal University of Minas Gerais, Minas Gerais, Belo Horizonte, Brazil
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238
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Goswami R, Kaplan MH. Essential vitamins for an effective T cell response. World J Immunol 2016; 6:39-59. [DOI: 10.5411/wji.v6.i1.39] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 10/07/2015] [Accepted: 11/25/2015] [Indexed: 02/06/2023] Open
Abstract
Effective adaptive immune responses rely upon appropriate activation of T cells by antigenic peptide-major histocompatibility complex on the surface of antigen presenting cells (APCs). Activation relies on additional signals including co-stimulatory molecules on the surface of the APCs that promote T cell expansion. The immune response is further sculpted by the cytokine environment. However, T cells also respond to other environmental signals including hormones, neurotransmitters, and vitamins. In this review, we summarize the mechanisms through which vitamins A and D impact immune responses, particularly in the context of T cell responses.
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239
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Koch S, Graser A, Mirzakhani H, Zimmermann T, Melichar VO, Wölfel M, Croteau-Chonka DC, Raby BA, Weiss ST, Finotto S. Increased expression of nuclear factor of activated T cells 1 drives IL-9-mediated allergic asthma. J Allergy Clin Immunol 2016; 137:1898-1902.e7. [PMID: 26993036 PMCID: PMC4889777 DOI: 10.1016/j.jaci.2015.11.047] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 11/03/2015] [Accepted: 11/16/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Sonja Koch
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Anna Graser
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Hooman Mirzakhani
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass
| | - Theodor Zimmermann
- Pediatric Pneumology-Allergology, Department of Pediatrics and Adolescent Medicine, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Volker O Melichar
- Pediatric Pneumology-Allergology, Department of Pediatrics and Adolescent Medicine, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Marco Wölfel
- Pediatric Pneumology-Allergology, Department of Pediatrics and Adolescent Medicine, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Damien C Croteau-Chonka
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass
| | - Benjamin A Raby
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass
| | - Scott T Weiss
- Department of Medicine, Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass
| | - Susetta Finotto
- Laboratory of Cellular and Molecular Lung Immunology, Department of Molecular Pneumology, Universitätsklinikum Erlangen, Erlangen, Germany.
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240
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Rampal R, Awasthi A, Ahuja V. Retinoic acid-primed human dendritic cells inhibit Th9 cells and induce Th1/Th17 cell differentiation. J Leukoc Biol 2016; 100:111-20. [PMID: 26980802 DOI: 10.1189/jlb.3vma1015-476r] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 02/25/2016] [Indexed: 01/08/2023] Open
Abstract
All-trans-retinoic acid plays a central role in mucosal immunity, where it promotes its synthesis by up-regulating CD103 expression on dendritic cells, induces gut tropic (α4β7(+) and CCR9(+)) T cells, and inhibits Th1/Th17 differentiation. Recently, murine studies have highlighted the proinflammatory role of retinoic acid in maintaining inflammation under a variety of pathologic conditions. However, as a result of limited human data, we investigated the effect of retinoic acid on human dendritic cells and CD4(+) T cell responses in the presence of polarizing (Th1/Th9/Th17) and inflammatory (LPS-induced dendritic cells) conditions. We report a novel role of retinoic acid in an inflammatory setup, where retinoic acid-primed dendritic cells (retinoic acid-monocyte-derived dendritic cells) up-regulated CCR9(+)T cells, which were observed to express high levels of IFN-γ in the presence of Th1/Th17 conditions. Retinoic acid-monocyte-derived dendritic cells, under Th17 conditions, also favored the induction of IL-17(+) T cells. Furthermore, in the presence of TGF-β1 and IL-4, retinoic acid-monocyte-derived dendritic cells inhibited IL-9 and induced IFN-γ expression on T cells. Experiments with naïve CD4(+) T cells, activated in the presence of Th1/Th17 conditions and absence of DCs, indicated that retinoic acid inhibited IFN-γ and IL-17 expression on T cells. These data revealed that in the face of inflammatory conditions, retinoic acid, in contrast from its anti-inflammatory role, could maintain or aggravate the intestinal inflammation.
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Affiliation(s)
- Ritika Rampal
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India; and
| | - Amit Awasthi
- Center for Human Microbial Ecology, Translational Health Science and Technology Institute, Faridabad, New Delhi, India
| | - Vineet Ahuja
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi, India; and
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241
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Neurath MF, Finotto S. IL-9 signaling as key driver of chronic inflammation in mucosal immunity. Cytokine Growth Factor Rev 2016; 29:93-9. [PMID: 26976761 DOI: 10.1016/j.cytogfr.2016.02.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 02/18/2016] [Indexed: 12/24/2022]
Abstract
Recent studies have highlighted a crucial regulatory role of the cytokine IL-9 in driving immune responses in chronic inflammatory and autoimmune diseases at mucosal surfaces. IL-9 activates various types of immune and non-immune cells carrying the membrane bound IL-9R. IL-9 signaling plays a pivotal role in controlling the differentiation and activation of these cells by inducing the Jak/STAT pathway. In particular, IL-9 induces activation of T helper cells and affects the function of various tissue resident cells such as mast cells and epithelial cells in the mucosa. Importantly, recent findings suggest that blockade of IL-9 signaling is effective in treating experimental models of autoimmune and chronic inflammatory diseases such as inflammatory bowel diseases, allergic disorders such as food allergy and asthma. Thus, blockade of IL-9 and IL-9R signaling emerges as potentially novel approach for therapy of inflammatory diseases in the mucosal immune system.
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Affiliation(s)
- Markus F Neurath
- 1st Department of Medicine, Friedrich-Alexander University of Erlangen-Nürnberg, D-91054 Erlangen, Germany.
| | - Susetta Finotto
- Department of Molecular Pulmonology, Friedrich-Alexander University of Erlangen-Nürnberg, D-91054 Erlangen, Germany
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242
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Itk is required for Th9 differentiation via TCR-mediated induction of IL-2 and IRF4. Nat Commun 2016; 7:10857. [PMID: 26936133 PMCID: PMC4782063 DOI: 10.1038/ncomms10857] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 01/26/2016] [Indexed: 12/15/2022] Open
Abstract
Th9 cells produce interleukin (IL)-9, a cytokine implicated in allergic asthma and autoimmunity. Here we show that Itk, a mediator of T cell receptor signalling required for Th2 immune responses and the development of asthma, is a positive regulator of Th9 differentiation. In a model of allergic lung disease, Itk-deficient mice show reduced pulmonary inflammation and IL-9 production by T cells and innate lymphoid type 2 cells (ILC2), despite normal early induction of ILC2s. In vitro, Itk(-/-) CD4(+) T cells do not produce IL-9 and have reduced levels of IRF4 (Interferon Regulator Factor 4), a critical transcription factor for effector T cell function. Both IL-9 and IRF4 expression are rescued by either IL-2 or constitutively active STAT5, but not NFATc1. STAT5 binds the Irf4 promoter, demonstrating one mechanism by which IL-2 rescues weakly activated T cells. Itk inhibition also reduces IL-9 expression by human T cells, implicating ITK as a key regulator of Th9 induction.
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243
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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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Vieyra-Garcia PA, Wei T, Naym DG, Fredholm S, Fink-Puches R, Cerroni L, Odum N, O'Malley JT, Gniadecki R, Wolf P. STAT3/5-Dependent IL9 Overexpression Contributes to Neoplastic Cell Survival in Mycosis Fungoides. Clin Cancer Res 2016; 22:3328-39. [PMID: 26851186 DOI: 10.1158/1078-0432.ccr-15-1784] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 01/17/2016] [Indexed: 01/12/2023]
Abstract
PURPOSE Sustained inflammation is a key feature of mycosis fungoides (MF), the most common form of cutaneous T-cell lymphoma (CTCL). Resident IL9-producing T cells have been found in skin infections and certain inflammatory skin diseases, but their role in MF is currently unknown. EXPERIMENTAL DESIGN We analyzed lesional skin from patients with MF for the expression of IL9 and its regulators. To determine which cells were producing IL9, high-throughput sequencing was used to identify malignant clones and Vb-specific antibodies were employed to visualize malignant cells in histologic preparations. To explore the mechanism of IL9 secretion, we knocked down STAT3/5 and IRF4 by siRNA transfection in CTCL cell lines receiving psoralen+UVA (PUVA) ± anti-IL9 antibody. To further examine the role of IL9 in tumor development, the EL-4 T-cell lymphoma model was used in C57BL/6 mice. RESULTS Malignant and reactive T cells produce IL9 in lesional skin. Expression of the Th9 transcription factor IRF4 in malignant cells was heterogeneous, whereas reactive T cells expressed it uniformly. PUVA or UVB phototherapy diminished the frequencies of IL9- and IL9r-positive cells, as well as STAT3/5a and IRF4 expression in lesional skin. IL9 production was regulated by STAT3/5 and silencing of STAT5 or blockade of IL9 with neutralizing antibodies potentiated cell death after PUVA treatment in vitro IL9-depleted mice exhibited a reduction of tumor growth, higher frequencies of regulatory T cells, and activated CD4 and CD8 T lymphocytes. CONCLUSIONS Our results suggest that IL9 and its regulators are promising new targets for therapy development in mycosis fungoides. Clin Cancer Res; 22(13); 3328-39. ©2016 AACR.
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Affiliation(s)
- Pablo A Vieyra-Garcia
- Research Unit for Photodermatology, Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria
| | - Tianling Wei
- Department of Dermatology, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - David Gram Naym
- Department of Dermatology, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Simon Fredholm
- Department of International Health, Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Regina Fink-Puches
- Research Unit for Photodermatology, Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria
| | - Lorenzo Cerroni
- Research Unit for Photodermatology, Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria
| | - Niels Odum
- Department of International Health, Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - John T O'Malley
- Department of Dermatology, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts
| | - Robert Gniadecki
- Department of Dermatology, Bispebjerg Hospital, Copenhagen University Hospital, Copenhagen, Denmark. Division of Dermatology, Department of Medicine, University of Alberta, Edmonton, Canada
| | - Peter Wolf
- Research Unit for Photodermatology, Department of Dermatology and Venereology, Medical University of Graz, Graz, Austria.
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Group 2 innate lymphoid cells utilize the IRF4-IL-9 module to coordinate epithelial cell maintenance of lung homeostasis. Mucosal Immunol 2016; 9:275-86. [PMID: 26129648 PMCID: PMC4698110 DOI: 10.1038/mi.2015.59] [Citation(s) in RCA: 143] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 05/27/2015] [Indexed: 02/04/2023]
Abstract
Group 2 innate lymphoid cells (ILC2s) have an important role in acute allergic lung inflammation. Given their distribution and function, lung ILC2s are hypothesized to coordinate epithelial responses to the external environment; however, how barrier surveillance is linked to ILC2 activation remains unclear. Here, we demonstrate that alveolar type II cells are the main source of interleukin (IL)-33 and thymic stromal lymphopoietin (TSLP) generated in response to chitin or migratory helminths. IL-33 and TSLP synergistically induce an interferon regulatory factor 4 (IRF4)-IL-9 program in ILC2s, and autocrine IL-9 promotes rapid IL-5 and IL-13 production required for optimal epithelial responses in the conducting airways. Thus, ILC2s link alveolar function to regulation of airway flow, revealing a key interaction between resident lymphoid and structural cells that might underlie similar organizational hierarchies in other organs.
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246
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Manni M, Gupta S, Nixon BG, Weaver CT, Jessberger R, Pernis AB. IRF4-Dependent and IRF4-Independent Pathways Contribute to DC Dysfunction in Lupus. PLoS One 2015; 10:e0141927. [PMID: 26544714 PMCID: PMC4636285 DOI: 10.1371/journal.pone.0141927] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 10/14/2015] [Indexed: 01/01/2023] Open
Abstract
Interferon Regulatory Factors (IRFs) play fundamental roles in dendritic cell (DC) differentiation and function. In particular, IRFs are critical transducers of TLR signaling and dysregulation in this family of factors is associated with the development of autoimmune disorders such as Systemic Lupus Erythematosus (SLE). While several IRFs are expressed in DCs their relative contribution to the aberrant phenotypic and functional characteristics that DCs acquire in autoimmune disease has not been fully delineated. Mice deficient in both DEF6 and SWAP-70 (= Double-knock-out or DKO mice), two members of a unique family of molecules that restrain IRF4 function, spontaneously develop a lupus-like disease. Although autoimmunity in DKO mice is accompanied by dysregulated IRF4 activity in both T and B cells, SWAP-70 is also known to regulate multiple aspects of DC biology leading us to directly evaluate DC development and function in these mice. By monitoring Blimp1 expression and IL-10 competency in DKO mice we demonstrate that DCs in these mice exhibit dysregulated IL-10 production, which is accompanied by aberrant Blimp1 expression in the spleen but not in the peripheral lymph nodes. We furthermore show that DCs from these mice are hyper-responsive to multiple TLR ligands and that IRF4 plays a differential role in in these responses by being required for the TLR4-mediated but not the TLR9-mediated upregulation of IL-10 expression. Thus, DC dysfunction in lupus-prone mice relies on both IRF4-dependent and IRF4-independent pathways.
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Affiliation(s)
- Michela Manni
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, New York, United States of America
| | - Sanjay Gupta
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, New York, United States of America
| | - Briana G. Nixon
- Graduate Program in Immunology and Microbial Pathogenesis, Weill Cornell Graduate School of Medical Sciences, New York, New York, United States of America
| | - Casey T. Weaver
- Department of Pathology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Rolf Jessberger
- Institute of Physiological Chemistry, Technische Universität Dresden, Dresden, Germany
| | - Alessandra B. Pernis
- Autoimmunity and Inflammation Program, Hospital for Special Surgery, New York, New York, United States of America
- Graduate Program in Immunology and Microbial Pathogenesis, Weill Cornell Graduate School of Medical Sciences, New York, New York, United States of America
- Department of Medicine, Weill Cornell Medical College, Cornell University, New York, New York, United States of America
- * E-mail:
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247
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Akazawa S, Kobayashi M, Kuriya G, Horie I, Yu L, Yamasaki H, Okita M, Nagayama Y, Matsuyama T, Akbari M, Yui K, Kawakami A, Abiru N. Haploinsufficiency of interferon regulatory factor 4 strongly protects against autoimmune diabetes in NOD mice. Diabetologia 2015; 58:2606-14. [PMID: 26271342 DOI: 10.1007/s00125-015-3724-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Accepted: 07/21/2015] [Indexed: 01/12/2023]
Abstract
AIMS/HYPOTHESIS Interferon regulatory factor (IRF)4 plays a critical role in lymphoid development and the regulation of immune responses. Genetic deletion of IRF4 has been shown to suppress autoimmune disease in several mouse models, but its role in autoimmune diabetes in NOD mice remains unknown. METHODS To address the role of IRF4 in the pathogenesis of autoimmune diabetes in NOD mice, we generated IRF4-knockout NOD mice and investigated the impact of the genetic deletion of IRF4 on diabetes, insulitis and insulin autoantibody; the effector function of T cells in vivo and in vitro; and the proportion of dendritic cell subsets. RESULTS Heterozygous IRF4-deficient NOD mice maintained the number and phenotype of T cells at levels similar to NOD mice. However, diabetes and autoantibody production were completely suppressed in both heterozygous and homozygous IRF4-deficient NOD mice. The level of insulitis was strongly suppressed in both heterozygous and homozygous IRF4-deficient mice, with minimal insulitis observed in heterozygous mice. An adoptive transfer study revealed that IRF4 deficiency conferred disease resistance in a gene-dose-dependent manner in recipient NOD/severe combined immunodeficiency mice. Furthermore, the proportion of migratory dendritic cells in lymph nodes was reduced in heterozygous and homozygous IRF4-deficient NOD mice in an IRF4 dose-dependent manner. These results suggest that the levels of IRF4 in T cells and dendritic cells are important for the pathogenesis of diabetes in NOD mice. CONCLUSIONS/INTERPRETATION Haploinsufficiency of IRF4 halted disease development in NOD mice. Our findings suggest that an IRF4-targeted strategy might be useful for modulating autoimmunity in type 1 diabetes.
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Affiliation(s)
- Satoru Akazawa
- Department of Endocrinology and Metabolism, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Masakazu Kobayashi
- Center for Health and Community Medicine, Nagasaki University, Nagasaki, Japan
| | - Genpei Kuriya
- Department of Endocrinology and Metabolism, National Hospital Organization Nagasaki Medical Center, Nagasaki, Japan
| | - Ichiro Horie
- Department of Endocrinology and Metabolism, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Liping Yu
- Barbara Davis Center for Diabetes, University of Colorado Health Sciences Center, Aurora, CO, USA
| | - Hironori Yamasaki
- Center for Health and Community Medicine, Nagasaki University, Nagasaki, Japan
| | - Minoru Okita
- Department of Locomotive Rehabilitation Science, Unit of Rehabilitation Sciences, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Yuji Nagayama
- Department of Molecular Medicine, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Toshifumi Matsuyama
- Division of Cytokine Signaling, Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Masoud Akbari
- Division of Immunology, Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Katsuyuki Yui
- Division of Immunology, Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Atsushi Kawakami
- Department of Endocrinology and Metabolism, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan
| | - Norio Abiru
- Department of Endocrinology and Metabolism, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
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248
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T Helper Subsets, Peripheral Plasticity, and the Acute Phase Protein, α1-Antitrypsin. BIOMED RESEARCH INTERNATIONAL 2015; 2015:184574. [PMID: 26583093 PMCID: PMC4637007 DOI: 10.1155/2015/184574] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 05/30/2015] [Indexed: 02/08/2023]
Abstract
The traditional model of T helper differentiation describes the naïve T cell as choosing one of several subsets upon stimulation and an added reciprocal inhibition aimed at maintaining the chosen subset. However, to date, evidence is mounting to support the presence of subset plasticity. This is, presumably, aimed at fine-tuning adaptive immune responses according to local signals. Reprograming of cell phenotype is made possible by changes in activation of master transcription factors, employing epigenetic modifications that preserve a flexible mode, permitting a shift between activation and silencing of genes. The acute phase response represents an example of peripheral changes that are critical in modulating T cell responses. α1-antitrypsin (AAT) belongs to the acute phase responses and has recently surfaced as a tolerogenic agent in the context of adaptive immune responses. Nonetheless, AAT does not inhibit T cell responses, nor does it shutdown inflammation per se; rather, it appears that AAT targets non-T cell immunocytes towards changing the cytokine environment of T cells, thus promoting a regulatory T cell profile. The present review focuses on this intriguing two-way communication between innate and adaptive entities, a crosstalk that holds important implications on potential therapies for a multitude of immune disorders.
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249
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Hoppenot D, Malakauskas K, Lavinskiene S, Sakalauskas R. p-STAT6, PU.1, and NF-κB are involved in allergen-induced late-phase airway inflammation in asthma patients. BMC Pulm Med 2015; 15:122. [PMID: 26466682 PMCID: PMC4606997 DOI: 10.1186/s12890-015-0119-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 10/06/2015] [Indexed: 11/23/2022] Open
Abstract
Background Previous in vitro and animal studies demonstrated that transcription factors p-STAT6 and PU.1 are required to induce interleukin (IL)-9 secretion by T helper (Th) 9 cells. It is believed that n factor-kappaB (NF-κB) plays a role in eosinophil survival. The importance of these transcription factors in the pathogenesis of allergic asthma (AA) in humans is poorly understood. We evaluated p-STAT6 and PU.1 expression in peripheral blood Th9 cells and NF-κB expression in eosinophils during late-phase airway inflammation in AA patients. Methods Nineteen adults with AA and 14 adult healthy individuals (HI) were examined. Peripheral blood collected 24 h before (baseline) and 24 h after bronchial allergen challenge. CD4+ cells and eosinophils were isolated by high-density gradient centrifugation and magnetic separation. The percentage of Th9 cells and apoptotic eosinophils was estimated by flow cytometry. p-STAT6 and PU.1 expression was expressed as mean fluorescence intensity (MFI) in Th9 cells. NF-κB levels were expressed as MFI in peripheral blood eosinophils. Serum IL-9 and IL-5 levels were determined by enzyme-linked immunosorbent assay. Results At baseline, MFI of p-STAT6 and PU.1 in peripheral blood Th9 cells and MFI of NF-κB in eosinophils and, serum IL-5 and IL-9 levels were greater in AA patients (P < 0.05). Decreased eosinophil apoptosis was seen in the AA group compared with HI (P < 0.05). MFI of p-STAT6, PU.1, and NF-κB and serum levels of IL-5 and IL-9 were increased in the AA group 24 h after challenge compared with baseline (P < 0.05). In the AA group, a correlation between serum IL-9 and Th9 cells (r = 0.7, P = 0.001) and MFI of PU.1 (r = 0.6, P = 0.01) 24 h after bronchial allergen challenge was observed. A correlation between Th9 cells and MFI of p-STAT6 (r = 0.45, P = 0.03) as well as MFI of PU.1 (r = 0.5, P = 0.02) 24 h after challenge was only observed in AA patients. A correlation between the MFI of NF-κB and eosinophil apoptosis was observed in AA patients 24 h before (r = −0.46, P = 0.02) and after (r = −0.5, P = 0.02) challenge. Discussions p-STAT6 and PU.1 may be associated with Th9 cells and IL-9 production, whereas NF-κB and IL-5 may be associated with reduced eosinophil apoptosis in allergen-induced late-phase airway inflammation. Trial registration ClinicalTrials.gov NCT02214303 Electronic supplementary material The online version of this article (doi:10.1186/s12890-015-0119-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Deimante Hoppenot
- Department of Pulmonology and Immunology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.
| | - Kestutis Malakauskas
- Department of Pulmonology and Immunology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania. .,Laboratory of Pulmonology, Department of Pulmonology and Immunology, Medical Academ, Lithuanian University of Health Sciences, Kaunas, Lithuania.
| | - Simona Lavinskiene
- Department of Pulmonology and Immunology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania. .,Laboratory of Pulmonology, Department of Pulmonology and Immunology, Medical Academ, Lithuanian University of Health Sciences, Kaunas, Lithuania.
| | - Raimundas Sakalauskas
- Department of Pulmonology and Immunology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania.
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The Potential Role of Th9 Cell Related Cytokine and Transcription Factors in Patients with Hepatic Alveolar Echinococcosis. J Immunol Res 2015; 2015:895416. [PMID: 26509179 PMCID: PMC4609816 DOI: 10.1155/2015/895416] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Revised: 12/04/2014] [Accepted: 12/06/2014] [Indexed: 11/25/2022] Open
Abstract
Human alveolar echinococcosis (AE) is a lethal parasitic infectious disease which may lead to liver failure if left untreated. It is caused by the larval stage of the fox tapeworm Echinococcus multilocularis and usually develops a substantial infiltrative occupation in solid organs. During the infection, T helper subsets are known to play crucial role in crosstalk between the parasite and human host. Th9 cells, a new member of CD4+ T cell family which is characterized by its specific cytokine IL-9 and transcription factors PU.1 and IRF-4, have been known recently to have a critical role in allergic diseases, and cancers as well as the parasitic infection. To assess the potential role of Th9 cells during the infection, the mRNA levels of IL-9, PU.1, and IRF-4 both in peripheral blood mononuclear cells and in liver tissues were, respectively, detected by using real-time PCR. The plasma concentration levels of IL-9 were detected by using enzyme linked immunosorbent assay (ELISA). Th9 related cytokine IL-9 and transcription factors PU.1 and IRF-4 mRNA levels elevated both in PBMCs, and in hepatic lesion and paralesion tissues in AE patients. This may facilitate the infiltrative growth of the parasite and its persistence in human host.
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