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Kliem CV, Schaub B. The role of regulatory B cells in immune regulation and childhood allergic asthma. Mol Cell Pediatr 2024; 11:1. [PMID: 38172451 PMCID: PMC10764675 DOI: 10.1186/s40348-023-00174-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 12/03/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND As the most common chronic disease in childhood, asthma displays a major public health problem worldwide with the incidence of those affected rising. As there is currently no cure for allergic asthma, it is mandatory to get a better understanding of the underlying molecular mechanism. MAIN BODY By producing IgE antibodies upon allergen contact, B cells play a pivotal role in allergic asthma. Besides that, IL-10-secreting B cell subsets, namely regulatory B cells (Bregs), are reported in mice and humans to play a role in allergic asthma. In humans, several Breg subsets with distinct phenotypic and functional properties are identified among B cells at different maturational and differentiation stages that exert anti-inflammatory functions by expressing several suppressor molecules. Emerging research has focused on the role of Bregs in allergic asthma as well as their role for future diagnostic and preventive strategies. CONCLUSION Knowledge about the exact function of human Bregs in allergic asthma is still very limited. This review aims to summarize the current knowledge on Bregs. We discuss different human Breg subsets, several ways of Breg induction as well as the mechanisms through which they exert immunoregulatory functions, and their role in (childhood) allergic asthma.
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Affiliation(s)
- Caroline Vanessa Kliem
- Pediatric Allergology, Department of Pediatrics, Dr. Von Hauner Children´S Hospital, University Hospital, Lindwurmstraße 4, 80337, LMU, Munich, Germany
| | - Bianca Schaub
- Pediatric Allergology, Department of Pediatrics, Dr. Von Hauner Children´S Hospital, University Hospital, Lindwurmstraße 4, 80337, LMU, Munich, Germany.
- Member of German Center for Lung Research - DZL, LMU, Munich, Germany.
- Member of German Center for Child and Adolescent Health-DZKJ, LMU, Munich, Germany.
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2
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Pieren DKJ, Boer MC, de Wit J. The adaptive immune system in early life: The shift makes it count. Front Immunol 2022; 13:1031924. [PMID: 36466865 PMCID: PMC9712958 DOI: 10.3389/fimmu.2022.1031924] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 10/31/2022] [Indexed: 10/13/2023] Open
Abstract
Respiratory infectious diseases encountered early in life may result in life-threatening disease in neonates, which is primarily explained by the relatively naive neonatal immune system. Whereas vaccines are not readily available for all infectious diseases, vaccinations have greatly reduced childhood mortality. However, repeated vaccinations are required to reach protective immunity in infants and not all vaccinations are effective at young age. Moreover, protective adaptive immunity elicited by vaccination wanes more rapidly at young age compared to adulthood. The infant adaptive immune system has previously been considered immature but this paradigm has changed during the past years. Recent evidence shows that the early life adaptive immune system is equipped with a strong innate-like effector function to eliminate acute pathogenic threats. These strong innate-like effector capacities are in turn kept in check by a tolerogenic counterpart of the adaptive system that may have evolved to maintain balance and to reduce collateral damage. In this review, we provide insight into these aspects of the early life's adaptive immune system by addressing recent literature. Moreover, we speculate that this shift from innate-like and tolerogenic adaptive immune features towards formation of immune memory may underlie different efficacy of infant vaccination in these different phases of immune development. Therefore, presence of innate-like and tolerogenic features of the adaptive immune system may be used as a biomarker to improve vaccination strategies against respiratory and other infections in early life.
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Affiliation(s)
| | | | - Jelle de Wit
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
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3
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Urine and serum interleukin 35 as potential biomarkers of lupus nephritis. Cent Eur J Immunol 2021; 46:351-359. [PMID: 34764807 PMCID: PMC8574112 DOI: 10.5114/ceji.2021.109151] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/11/2020] [Indexed: 11/24/2022] Open
Abstract
Introduction Lupus nephritis (LN) is considered a serious manifestation of systemic lupus erythematosus (SLE). Therefore, a reliable non-invasive biomarker is a priority for monitoring renal involvement instead of the kidney biopsy. Interleukin 35 (IL-35) has an immunosuppressive and anti-inflammatory role in many autoimmune diseases. However, its role in LN still needs to be elucidated. Aim of the study To evaluate urine and serum levels of IL-35 in SLE patients with LN and without nephritis identifying their potential as biomarkers of renal involvement. Material and methods Urine and serum levels of IL-35 were measured in 42 SLE patients, divided into 22 with LN and 20 without LN, and 20 matched healthy controls using enzyme-linked immunosorbent assay (ELISA). SLE disease activity was assessed for patients by the Systemic Lupus Erythematosus Disease Activity Index 2000 (SLEDAI-2K). Results Levels of serum and urine IL-35 were significantly higher (p < 0.001) in the LN group compared with those without LN and with controls. In LN patients, a strong correlation (p < 0.001) was observed between serum and urine IL-35 levels with SLEDAI-2K score (r = 0.677 and 0.806 respectively). Furthermore, proteinuria had a strong and significant correlation (p ˂ 0.001) with serum and urinary IL-35 levels in the patients with LN. Serum IL-35 had 90.9% sensitivity and 85% specificity while urine IL-35 had 95.5% sensitivity and 75% specificity to differentiate LN from healthy individuals. Conclusions Urine and serum IL-35 may aid in assessment of renal involvement in SLE patients, serving as potential biomarkers of LN.
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4
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de Mol J, Kuiper J, Tsiantoulas D, Foks AC. The Dynamics of B Cell Aging in Health and Disease. Front Immunol 2021; 12:733566. [PMID: 34675924 PMCID: PMC8524000 DOI: 10.3389/fimmu.2021.733566] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/16/2021] [Indexed: 12/30/2022] Open
Abstract
Aging is considered to be an important risk factor for several inflammatory diseases. B cells play a major role in chronic inflammatory diseases by antibody secretion, antigen presentation and T cell regulation. Different B cell subsets have been implicated in infections and multiple autoimmune diseases. Since aging decreases B cell numbers, affects B cell subsets and impairs antibody responses, the aged B cell is expected to have major impacts on the development and progression of these diseases. In this review, we summarize the role of B cells in health and disease settings, such as atherosclerotic disease. Furthermore, we provide an overview of age-related changes in B cell development and function with respect to their impact in chronic inflammatory diseases.
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Affiliation(s)
- Jill de Mol
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Johan Kuiper
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | | | - Amanda C Foks
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
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5
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Montamat G, Leonard C, Poli A, Klimek L, Ollert M. CpG Adjuvant in Allergen-Specific Immunotherapy: Finding the Sweet Spot for the Induction of Immune Tolerance. Front Immunol 2021; 12:590054. [PMID: 33708195 PMCID: PMC7940844 DOI: 10.3389/fimmu.2021.590054] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 01/04/2021] [Indexed: 01/16/2023] Open
Abstract
Prevalence and incidence of IgE-mediated allergic diseases have increased over the past years in developed and developing countries. Allergen-specific immunotherapy (AIT) is currently the only curative treatment available for allergic diseases that has long-term efficacy. Although AIT has been proven successful as an immunomodulatory therapy since its beginnings, it still faces several unmet needs and challenges today. For instance, some patients can experience severe side effects, others are non-responders, and prolonged treatment schedules can lead to lack of patient adherence and therapy discontinuation. A common strategy to improve AIT relies on the use of adjuvants and immune modulators to boost its effects and improve its safety. Among the adjuvants tested for their clinical efficacy, CpG oligodeoxynucleotide (CpG-ODN) was investigated with limited success and without reaching phase III trials for clinical allergy treatment. However, recently discovered immune tolerance-promoting properties of CpG-ODN place this adjuvant again in a prominent position as an immune modulator for the treatment of allergic diseases. Indeed, it has been shown that the CpG-ODN dose and concentration are crucial in promoting immune regulation through the recruitment of pDCs. While low doses induce an inflammatory response, high doses of CpG-ODN trigger a tolerogenic response that can reverse a pre-established allergic milieu. Consistently, CpG-ODN has also been found to stimulate IL-10 producing B cells, so-called B regulatory cells (Bregs). Accordingly, CpG-ODN has shown its capacity to prevent and revert allergic reactions in several animal models showing its potential as both preventive and active treatment for IgE-mediated allergy. In this review, we describe how CpG-ODN-based therapies for allergic diseases, despite having shown limited success in the past, can still be exploited further as an adjuvant or immune modulator in the context of AIT and deserves additional attention. Here, we discuss the past and current knowledge, which highlights CpG-ODN as a potential adjuvant to be reevaluated for the enhancement of AIT when used in appropriate conditions and formulations.
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Affiliation(s)
- Guillem Montamat
- Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg.,Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Cathy Leonard
- Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
| | - Aurélie Poli
- Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg
| | - Ludger Klimek
- Centre for Rhinology and Allergology, Wiesbaden, Germany
| | - Markus Ollert
- Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg.,Department of Dermatology and Allergy Centre, Odense University Hospital, Odense, Denmark
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6
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Fu B, Wang D, Shen X, Guo C, Liu Y, Ye Y, Sun R, Li J, Tian Z, Wei H. Immunomodulation Induced During Interferon-α Therapy Impairs the Anti-HBV Immune Response Through CD24 +CD38 hi B Cells. Front Immunol 2020; 11:591269. [PMID: 33424840 PMCID: PMC7786281 DOI: 10.3389/fimmu.2020.591269] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022] Open
Abstract
Type I interferon is widely used for antiviral therapy, yet has yielded disappointing results toward chronic HBV infection. Here we identify that PEG-IFNα-2b therapy toward persistent infection in humans is a double-edged sword of both immunostimulation and immunomodulation. Our studies of this randomised trial showed persistent PEG-IFNα-2b therapy induced large number of CD24+CD38hi B cells and launched a CD24+CD38hi B cells centered immunosuppressive response, including downregulating functions of T cells and NK cells. Patients with low induced CD24+CD38hi B cells have achieved an improved therapeutic effect. Specifically, using the anti-CD24 antibody to deplete CD24+CD38hi B cells without harming other B cell subsets suggest a promising strategy to improve the therapeutic effects. Our findings show that PEG-IFNα-2b therapy toward persistent infection constitutes an immunomodulation effect, and strategies to identifying the molecular basis for the antiviral versus immunomodulatory effects of PEG-IFNα-2b to selectively manipulate these opposing activities provide an opportunity to ameliorate anti-virus immunity and control viral infection.
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Affiliation(s)
- Binqing Fu
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Dongyao Wang
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Xiaokun Shen
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Chuang Guo
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Yanyan Liu
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ying Ye
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Rui Sun
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Jiabin Li
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Zhigang Tian
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
| | - Haiming Wei
- Division of Molecular Medicine, Hefei National Laboratory for Physical Sciences at Microscale, The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, University of Science and Technology of China, Hefei, China.,Institute of Immunology, University of Science and Technology of China, Hefei, China
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7
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Wang L, Fu Y, Yu B, Jiang X, Liu H, Liu J, Zha B, Chu Y. HSP70, a Novel Regulatory Molecule in B Cell-Mediated Suppression of Autoimmune Diseases. J Mol Biol 2020; 433:166634. [PMID: 32860772 DOI: 10.1016/j.jmb.2020.08.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 08/12/2020] [Accepted: 08/21/2020] [Indexed: 12/12/2022]
Abstract
B cells have recently emerged as playing regulatory role in autoimmune diseases. We have previously demonstrated that human peripheral blood CD19+CD24hiCD27+ B cells have regulatory function both in healthy donors and in patients with autoimmune disease. However, the mechanism of this regulation is still not fully understood. In this study, microarrays were utilized to compare gene expression of CD19+CD24hiCD27+ B cells (regulatory B cells, Bregs) with CD19+CD24loCD27- B cells (non-Bregs) in human peripheral blood. We found that heat shock protein 70 (HSP70) expression was significantly upregulated in Bregs. In vitro studies explored that HSP70 inhibition impaired the regulatory function of peripheral blood Bregs. In mouse models of autoimmune disease, using HSP70-deficient mice or HSP70 inhibitors, Bregs suppressed effector cells and rescued disease-associated phenotypes that were dependent on HSP70. Mechanistically, Bregs secreted HSP70, directly suppressing effector cells, such as T effect cells. These findings reveal that HSP70 is a novel factor that modulates Breg function and suggest that enhancing Breg-mediated production of HSP70 could be a viable therapy for autoimmune disease.
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Affiliation(s)
- Luman Wang
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China; Biotherapy Research Center, Fudan University, Shanghai 200032, China
| | - Ying Fu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Baichao Yu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Xuechao Jiang
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China
| | - Hongchun Liu
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jun Liu
- Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Bingbing Zha
- Department of Endocrinology and Metabolism, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China.
| | - Yiwei Chu
- Department of Immunology, School of Basic Medical Sciences, and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China; Biotherapy Research Center, Fudan University, Shanghai 200032, China.
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8
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Zissler UM, Schmidt-Weber CB. Predicting Success of Allergen-Specific Immunotherapy. Front Immunol 2020; 11:1826. [PMID: 32983092 PMCID: PMC7477353 DOI: 10.3389/fimmu.2020.01826] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 07/08/2020] [Indexed: 01/11/2023] Open
Abstract
The immune response to antigens is a key aspect of immunology, as it provides opportunities for therapeutic intervention. However, the induction of immunological tolerance is an evolving area that is still not sufficiently understood. Allergen immunotherapy (AIT) is a disease-modulating therapy available for immunoglobulin E (IgE)-mediated airway diseases such as allergic rhinitis or allergic asthma. This disease-modifying effect is not only antigen driven but also antigen specific. The specificity and also the long-lasting, often life-long symptom reduction make the therapy attractive for patients. Additionally, the chance to prevent the onset of asthma by treating allergic rhinitis with AIT is important. The mechanism and, in consequence, therapy guiding biomarker are still in its infancy. Recent studies demonstrated that the interaction of T, B, dendritic, and epithelial cells and macrophages are individually contributing to clinical tolerance and therefore underline the need for a system to monitor the progress and success of AIT. As clinical improvement is often accompanied by decreases in numbers of effector cells in the tissue, analyses of cellular responses and cytokine pattern provide a good insight into the mechanisms of AIT. The suppression of type-2 immunity is accompanied by decreased levels of type-2 mediators such as epithelial CCL-26 and interleukin (IL)-4, IL-13 produced by T cells that are constituting the immune memory and are increasingly controlled by regulatory T and B cells following AIT. Immune tolerance is also associated with increased production of type-1 mediators like interferon-gamma, tissue-homeostating factors like indoleamine 2,3-dioxygenase (IDO) expressed by macrophages and dendritic cells. Although these individual genes were convincingly demonstrated to play a role immune tolerance, they do not predict therapy outcomes of AIT on an individual level. Therefore, combinations or ratios of gene expression levels are a promising way to achieve predictive value and definition of helpful biomarker.
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Affiliation(s)
- Ulrich M Zissler
- Center of Allergy and Environment (ZAUM), Technical University and Helmholtz Center Munich, Member of the German Center of Lung Research (DZL), and Member of the Helmholtz I&I Initiative, Munich, Germany
| | - Carsten B Schmidt-Weber
- Center of Allergy and Environment (ZAUM), Technical University and Helmholtz Center Munich, Member of the German Center of Lung Research (DZL), and Member of the Helmholtz I&I Initiative, Munich, Germany
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9
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Ran Z, Yue-Bei L, Qiu-Ming Z, Huan Y. Regulatory B Cells and Its Role in Central Nervous System Inflammatory Demyelinating Diseases. Front Immunol 2020; 11:1884. [PMID: 32973780 PMCID: PMC7468432 DOI: 10.3389/fimmu.2020.01884] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/13/2020] [Indexed: 12/15/2022] Open
Abstract
Regulatory B (Breg) cells represent a population of suppressor B cells that participate in immunomodulatory processes and inhibition of excessive inflammation. The regulatory function of Breg cells have been demonstrated in mice and human with inflammatory diseases, cancer, after transplantation, and particularly in autoinflammatory disorders. In order to suppress inflammation, Breg cells produce anti-inflammatory mediators, induce death ligand-mediated apoptosis, and regulate many kinds of immune cells such as suppressing the proliferation and differentiation of effector T cell and increasing the number of regulatory T cells. Central nervous system Inflammatory demyelinating diseases (CNS IDDs) are a heterogeneous group of disorders, which occur against the background of an acute or chronic inflammatory process. With the advent of monoclonal antibodies directed against B cells, breakthroughs have been made in the treatment of CNS IDDs. Therefore, the number and function of B cells in IDDs have attracted attention. Meanwhile, increasing number of studies have confirmed that Breg cells play a role in alleviating autoimmune diseases, and treatment with Breg cells has also been proposed as a new therapeutic direction. In this review, we focus on the understanding of the development and function of Breg cells and on the diversification of Breg cells in CNS IDDs.
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Affiliation(s)
- Zhou Ran
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Luo Yue-Bei
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Zeng Qiu-Ming
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Yang Huan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
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10
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Alhabbab RY, Nova-Lamperti E, Aravena O, Burton HM, Lechler RI, Dorling A, Lombardi G. Regulatory B cells: Development, phenotypes, functions, and role in transplantation. Immunol Rev 2019; 292:164-179. [DOI: 10.1111/imr.12800] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/27/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Rowa Y. Alhabbab
- Infectious Disease Unit and Division of Applied Medical Sciences King Fahad Centre for medical research King Abdulaziz University Jeddah Saudi Arabia
- Peter Gorer Department of Immunobiology MRC Centre for Transplantation School of Immunology & Mucosal Biology King's College LondonKing's Health PartnersGuy's Hospital London UK
| | - Estefanía Nova-Lamperti
- Molecular and Translational Immunology Laboratory Department of Clinical Biochemistry and Immunology Pharmacy Faculty Universidad de Concepción Concepción Chile
| | - Octavio Aravena
- Programa Disciplinario de Immunología Instituto de Ciencias Biomédicas Facultad de Medicina Universidad de Chile Santiago Chile
| | - Hannah M. Burton
- Peter Gorer Department of Immunobiology MRC Centre for Transplantation School of Immunology & Mucosal Biology King's College LondonKing's Health PartnersGuy's Hospital London UK
| | - Robert I. Lechler
- Peter Gorer Department of Immunobiology MRC Centre for Transplantation School of Immunology & Mucosal Biology King's College LondonKing's Health PartnersGuy's Hospital London UK
| | - Anthony Dorling
- Peter Gorer Department of Immunobiology MRC Centre for Transplantation School of Immunology & Mucosal Biology King's College LondonKing's Health PartnersGuy's Hospital London UK
| | - Giovanna Lombardi
- Peter Gorer Department of Immunobiology MRC Centre for Transplantation School of Immunology & Mucosal Biology King's College LondonKing's Health PartnersGuy's Hospital London UK
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11
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Matta B, Barnes BJ. Coordination between innate immune cells, type I IFNs and IRF5 drives SLE pathogenesis. Cytokine 2019; 132:154731. [PMID: 31130331 DOI: 10.1016/j.cyto.2019.05.018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 05/16/2019] [Accepted: 05/19/2019] [Indexed: 12/18/2022]
Abstract
Systemic lupus erythematosus (SLE) is a complex autoimmune disease which affects multiple organs. The type I interferon (IFN) gene signature and circulating autoantibodies are hallmarks of SLE. Plasmacytoid dendritic cells (pDCs) are considered the main producers of type I IFN and production is modulated by multiple other immune cell types. In SLE, essentially every immune cell type is dysregulated and aberrant deregulation is thought to be due, in part, to direct or indirect exposure to IFN. Genetic variants within or around the transcription factor interferon regulatory factor 5 (IRF5) associate with SLE risk. Elevated IFNα activity was detected in the sera of SLE patients carrying IRF5 risk polymorphisms who were positive for either anti-RNA binding protein (anti-RBP) or anti-double-stranded DNA (anti-dsDNA) autoantibodies. Neutrophils are also an important source of type I IFNs and are found in abundance in human blood. Neutrophil extracellular traps (NETs) are considered a potential source of antigenic trigger in SLE that can lead to type I IFN gene induction, as well as increased autoantibody production. In this review, we will focus on immune cell types that produce type I IFNs and/or are affected by type I IFN in SLE. In addition, we will discuss potential inducers of endogenous type I IFN production in SLE. Last, we will postulate how the different immune cell populations may be affected by an IRF5-SLE risk haplotype.
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Affiliation(s)
- Bharati Matta
- Center for Autoimmune Musculoskeletal and Hematopoietic Diseases, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA
| | - Betsy J Barnes
- Center for Autoimmune Musculoskeletal and Hematopoietic Diseases, Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA; Departments of Molecular Medicine and Pediatrics, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY 11549, USA.
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12
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Guan SY, Leng RX, Khan MI, Qureshi H, Li XP, Ye DQ, Pan HF. Interleukin-35: a Potential Therapeutic Agent for Autoimmune Diseases. Inflammation 2017; 40:303-310. [PMID: 27696334 DOI: 10.1007/s10753-016-0453-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Autoimmune diseases contain a large number of pathologies characterized by various factors that contribute to a breakdown in self-tolerance. Cytokine-mediated immunity plays an essential role in the pathogenesis of varieties of autoimmune diseases. Recent studies reveal that interleukin-35 (IL-35), a newly identified cytokine of IL-12 family, is implicated in the pathogenesis of autoimmune diseases, such as systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), systemic sclerosis (SSc), etc. In this review, we will discuss the biological features of IL-35 and summarize recent advances in the role of IL-35 in the development and pathogenesis of autoimmune diseases; the discoveries gained from these findings might translate into future therapies for these diseases.
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Affiliation(s)
- Shi-Yang Guan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Rui-Xue Leng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Muhammad Imran Khan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Humera Qureshi
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Xiang-Pei Li
- Department of Rheumatology and Immunology, Anhui Provincial Hospital, 17 Lujiang Road, Hefei, Anhui, China
| | - Dong-Qing Ye
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, PR China.
- Anhui Provincial Laboratory of Population Health and Major Disease Screening and Diagnosis, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China.
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13
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Abstract
PURPOSE OF REVIEW The number of deaths associated with cardiovascular disease remains high, despite great advances in treating the associated high levels of cholesterol. The main underlying pathology of cardiovascular disease is atherosclerosis, which is recognized as a chronic autoimmune-like inflammatory disease. Hence, there is a pressing need to shed light on the immune pathways associated with atherosclerosis. B cells have long been thought to have a general protective effect in atherosclerosis. However, findings in the last decade have challenged this paradigm, showing that it is crucial to differentiate between the various B-cell subsets when assessing their role/effect on atherosclerosis. RECENT FINDINGS It has become increasingly recognized lately that B cells can have significant effects on the immune system independent of antibody production. The understanding that B cells form a major source of cytokines and can directly influence T-cell responses via surface markers, have led to the identification of novel B-cell subsets. These subsets are important modulators of autoimmune disorders but have not yet been fully investigated in atherosclerosis. SUMMARY Here we review the current known roles of B-cell subsets and the putative effects of recently identified B cells on atherosclerosis.
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Affiliation(s)
- Hidde Douna
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
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14
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Najar M, Raicevic G, Fayyad-Kazan H, Bron D, Toungouz M, Lagneaux L. Mesenchymal stromal cells and immunomodulation: A gathering of regulatory immune cells. Cytotherapy 2016; 18:160-71. [PMID: 26794710 DOI: 10.1016/j.jcyt.2015.10.011] [Citation(s) in RCA: 181] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Revised: 10/01/2015] [Accepted: 10/13/2015] [Indexed: 12/13/2022]
Abstract
Because of their well-recognized immunomodulatory properties, mesenchymal stromal cells (MSCs) represent an attractive cell population for therapeutic purposes. In particular, there is growing interest in the use of MSCs as cellular immunotherapeutics for tolerance induction in allogeneic transplantations and the treatment of autoimmune diseases. However, multiple mechanisms have been identified to mediate the immunomodulatory effects of MSCs, sometimes with several ambiguities and inconsistencies. Although published studies have mainly reported the role of soluble factors, we believe that a sizeable cellular component plays a critical role in MSC immunomodulation. We refer to these cells as regulatory immune cells, which are generated from both the innate and adaptive responses after co-culture with MSCs. In this review, we discuss the nature and role of these immune regulatory cells as well as the role of different mediators, and, in particular, regulatory immune cell induction by MSCs through interleukin-10. Once induced, immune regulatory cells accumulate and converge their regulatory pathways to create a tolerogenic environment conducive for immunomodulation. Thus, a better understanding of these regulatory immune cells, in terms of how they can be optimally manipulated and induced, would be suitable for improving MSC-based immunomodulatory therapeutic strategies.
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Affiliation(s)
- Mehdi Najar
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium.
| | - Gordana Raicevic
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Hussein Fayyad-Kazan
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Dominique Bron
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Michel Toungouz
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Laurence Lagneaux
- Laboratory of Clinical Cell Therapy, Institut Jules Bordet, Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
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15
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Han J, Sun L, Fan X, Wang Z, Cheng Y, Zhu J, Jin T. Role of regulatory b cells in neuroimmunologic disorders. J Neurosci Res 2016; 94:693-701. [PMID: 27112131 PMCID: PMC5074285 DOI: 10.1002/jnr.23749] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Revised: 03/29/2016] [Accepted: 03/29/2016] [Indexed: 01/02/2023]
Abstract
B lymphocytes augment the immune response by producing antibodies and activating T cells by antigen presentation. Recent studies have highlighted a specific and functionally significant B‐cell subset that could downregulate excessive immune and inflammatory responses through a vast array of inhibitory cytokines, such as interleukin (IL)‐10 and transforming growth factor‐β (TGF‐β). This subset of B cells is generally referred to as regulatory B cells (Bregs). In addition, recent studies have shown that IL‐35‐producing Bregs also play a role in downregulation of immunity. Diverse phenotypes of Bregs have been proposed to underlie human disorders and their animal models. Most studies have focused on the role of different subsets of Bregs and Bregs‐associated molecules such as IL‐10, TGF‐β, and IL‐35 in the pathogenesis of neuroimmunologic disorders. Furthermore, Bregs exert regulatory function mainly through suppressing the differentiation of Th1/Th17 cells and promoting regulatory T‐cell expansion. Reduced presence of Bregs is reportedly associated with progression of several neuroimmunologic disorders. This Review summarizes the current knowledge on the role of Bregs in neuroimmunologic disorders, including multiple sclerosis, neuromyelitis optica, and myasthenia gravis. © 2016 The Authors. Journal of Neuroscience Research Published by Wiley Periodicals, Inc.
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Affiliation(s)
- Jinming Han
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Li Sun
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Xueli Fan
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Zhongkun Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Yun Cheng
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jie Zhu
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China.,Department of Neurobiology, Care Sciences, and Society, Karolinska Institute, Stockholm, Sweden
| | - Tao Jin
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
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16
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Menon M, Blair PA, Isenberg DA, Mauri C. A Regulatory Feedback between Plasmacytoid Dendritic Cells and Regulatory B Cells Is Aberrant in Systemic Lupus Erythematosus. Immunity 2016; 44:683-697. [PMID: 26968426 PMCID: PMC4803914 DOI: 10.1016/j.immuni.2016.02.012] [Citation(s) in RCA: 252] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 10/26/2015] [Accepted: 12/14/2015] [Indexed: 01/05/2023]
Abstract
Signals controlling the generation of regulatory B (Breg) cells remain ill-defined. Here we report an “auto”-regulatory feedback mechanism between plasmacytoid dendritic cells (pDCs) and Breg cells. In healthy individuals, pDCs drive the differentiation of CD19+CD24hiCD38hi (immature) B cells into IL-10-producing CD24+CD38hi Breg cells and plasmablasts, via the release of IFN-α and CD40 engagement. CD24+CD38hi Breg cells conversely restrained IFN-α production by pDCs via IL-10 release. In systemic lupus erythematosus (SLE), this cross-talk was compromised; pDCs promoted plasmablast differentiation but failed to induce Breg cells. This defect was recapitulated in healthy B cells upon exposure to a high concentration of IFN-α. Defective pDC-mediated expansion of CD24+CD38hi Breg cell numbers in SLE was associated with altered STAT1 and STAT3 activation. Both altered pDC-CD24+CD38hi Breg cell interactions and STAT1-STAT3 activation were normalized in SLE patients responding to rituximab. We propose that alteration in pDC-CD24+CD38hi Breg cell interaction contributes to the pathogenesis of SLE. pDCs induce the differentiation of Breg cells in an IFN-α-dependent manner Breg cells limit pDC-derived IFN-α in an IL-10-dependent mechanism pDCs are hyperactivated in SLE and fail to induce Breg cells Patients responding to rituximab display a normalized pDC-Breg cell interaction
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Affiliation(s)
- Madhvi Menon
- Centre for Rheumatology, Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK
| | - Paul A Blair
- Centre for Rheumatology, Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK
| | - David A Isenberg
- Centre for Rheumatology, Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK
| | - Claudia Mauri
- Centre for Rheumatology, Division of Medicine, University College London, 5 University Street, London WC1E 6JF, UK.
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17
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Sawant DV, Hamilton K, Vignali DAA. Interleukin-35: Expanding Its Job Profile. J Interferon Cytokine Res 2015; 35:499-512. [PMID: 25919641 DOI: 10.1089/jir.2015.0015] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Counter-regulation afforded by specialized regulatory cell populations and immunosuppressive cytokines is critical for balancing immune outcome. The inhibitory potential of the established suppressive cytokines, IL-10 and TGFβ, has been well elucidated in diverse inflammatory scenarios in conjunction with their key roles in Treg development and function. Despite the early predictions for an immunomodulatory role for the Ebi3/p35 heterodimer in placental trophoblasts, IL-35 biology remained elusive until 2007 when it was established as a Treg-restricted inhibitory cytokine. Since then, Treg-derived IL-35 has been shown to exhibit its suppressive activities in a range of autoimmune diseases and cancer models. Recent studies are beginning to explore other cellular sources of IL-35, such as Bregs and CD8(+) Tregs. Despite these new cellular sources and targets, the mode of IL-35 suppression remains restricted to inhibition of proliferation and induction of an IL-35-producing induced regulatory T cell population referred to as iTr35. In this review, we explore the early beginnings, status quo, and future prospects of IL-35 biology. The unparalleled opportunity of targeting multiple immunosuppressive populations (Tregs, Bregs, CD8(+) Tregs) through IL-35 is highly exciting and offers tremendous promise from a translational standpoint, particularly for cancer immunotherapies.
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Affiliation(s)
- Deepali V Sawant
- Department of Immunology, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania
| | - Kristia Hamilton
- Department of Immunology, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania
| | - Dario A A Vignali
- Department of Immunology, University of Pittsburgh School of Medicine , Pittsburgh, Pennsylvania
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18
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Tedder TF. B10 cells: a functionally defined regulatory B cell subset. THE JOURNAL OF IMMUNOLOGY 2015; 194:1395-401. [PMID: 25663677 DOI: 10.4049/jimmunol.1401329] [Citation(s) in RCA: 212] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
B cells are commonly thought to enhance inflammatory immune responses. However, specific regulatory B cell subsets recently were identified that downregulate adaptive and innate immunity, inflammation, and autoimmunity through diverse molecular mechanisms. In both mice and humans, a rare, but specific, subset of regulatory B cells is functionally characterized by its capacity to produce IL-10, a potent inhibitory cytokine. For clarity, this regulatory B cell subset has been labeled as B10 cells, because their ability to downregulate immune responses and inflammatory disease is fully attributable to IL-10, and their absence or loss exacerbates disease symptoms in mouse models. This review preferentially focuses on what is known about mouse B10 cell development, phenotype, and effector function, as well as on mechanistic studies that demonstrated their functional importance during inflammation, autoimmune disease, and immune responses.
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Affiliation(s)
- Thomas F Tedder
- Department of Immunology, Duke University Medical Center, Durham, NC 27710
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Abstract
Interleukin (IL)-35, a recently identified cytokine of the IL-12 family, is a potent immunosuppressive cytokine secreted by regulatory T (Treg) cells and the newly reported regulatory B (Breg) cells. IL-35 functions as a crucial immunosuppressive factor in immune-mediated diseases, and the predominant mechanism of suppression is its ability to suppress T cell proliferation and effector functions. The pathogenic processes of the non-cytopathic hepatitis B virus (HBV) infection-related liver diseases are immune-mediated, including liver damage and viral control. It has been found that IL-35 is detectable in peripheral CD4(+) T cells in chronic HBV-infected patients, whereas it is undetectable in healthy individuals. There is growing evidence that cytokine-mediated immune responses play a pivotal role in determining the clinical outcome during HBV infection. It is particularly important to investigate the effects of IL-35 in the immunopathogenesis of chronic HBV infection. In this study, the recent understanding of this issue is discussed.
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Affiliation(s)
- Xiao Gang Xiang
- Department of Infectious DiseasesRuijin HospitalShanghai Jiaotong University School of MedicineShanghaiChina,Translational Laboratory of Liver DiseasesRuijin HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Qing Xie
- Department of Infectious DiseasesRuijin HospitalShanghai Jiaotong University School of MedicineShanghaiChina,Translational Laboratory of Liver DiseasesRuijin HospitalShanghai Jiaotong University School of MedicineShanghaiChina
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20
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Xing C, Ma N, Xiao H, Wang X, Zheng M, Han G, Chen G, Hou C, Shen B, Li Y, Wang R. Critical role for thymic CD19+CD5+CD1dhiIL-10+ regulatory B cells in immune homeostasis. J Leukoc Biol 2014; 97:547-56. [PMID: 25516754 DOI: 10.1189/jlb.3a0414-213rr] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
This study tested the hypothesis that besides the spleen, LNs, peripheral blood, and thymus contain a regulatory IL-10-producing CD19(+)CD5(+)CD1d(high) B cell subset that may play a critical role in the maintenance of immune homeostasis. Indeed, this population was identified in the murine thymus, and furthermore, when cocultured with CD4(+) T cells, this population of B cells supported the maintenance of CD4(+)Foxp3(+) Tregs in vitro, in part, via the CD5-CD72 interaction. Mice homozygous for Cd19(Cre) (CD19(-/-)) express B cells with impaired signaling and humoral responses. Strikingly, CD19(-/-) mice produce fewer CD4(+)Foxp3(+) Tregs and a greater percentage of CD4(+)CD8(-) and CD4(-)CD8(+) T cells. Consistent with these results, transfer of thymic CD19(+)CD5(+)CD1d(hi) B cells into CD19(-/-) mice resulted in significantly up-regulated numbers of CD4(+)Foxp3(+) Tregs with a concomitant reduction in CD4(+)CD8(-) and CD4(-)CD8(+) T cell populations in the thymus, spleen, and LNs but not in the BM of recipient mice. In addition, thymic CD19(+)CD5(+)CD1d(hi) B cells significantly suppressed autoimmune responses in lupus-like mice via up-regulation of CD4(+)Foxp3(+) Tregs and IL-10-producing Bregs. This study suggests that thymic CD19(+)CD5(+)CD1d(hi)IL-10(+) Bregs play a critical role in the maintenance of immune homeostasis.
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Affiliation(s)
- Chen Xing
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Ning Ma
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - He Xiao
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Xiaoqian Wang
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Mingke Zheng
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Gencheng Han
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Guojiang Chen
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Chunmei Hou
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Beifen Shen
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Yan Li
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
| | - Renxi Wang
- *Laboratory of Immunology, Institute of Basic Medical Sciences, Beijing, China; Department of Rheumatology, First Hospital of Jilin University, Changchun, China; Department of Immunology, Medical College of Henan University, Kaifeng, China; and State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China
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