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Hassan GF, Cohen LS, Alexander-Brett J. IL-33: Friend or foe in transplantation? J Heart Lung Transplant 2024; 43:1235-1240. [PMID: 38452960 PMCID: PMC11246814 DOI: 10.1016/j.healun.2024.02.1459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/17/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024] Open
Abstract
Several reports have highlighted the dichotomous nature of the Interleukin-33 (IL-33) system in cardiac and lung disease, where this cytokine can exert both protective effects and drive pro-inflammatory responses in a context-specific manner. This State-of-the-Art review focuses on preclinical mechanistic studies of the IL-33 system in development of allograft rejection in heart and lung transplantation. We address the scope of potential cellular sources of IL-33 and pathways for cellular release that may impact the study of this cytokine system in transplant models. We then highlight soluble IL-33 receptor as a biomarker in cardiac allograft rejection and detail preclinical models that collectively demonstrate a role for this cytokine in driving type-2 immune programs to protect cardiac allografts. We contrast this with investigation of IL-33 in lung transplantation, which has yielded mixed and somewhat conflicting results when comparing human studies with preclinical models, which have implicated the IL-33 system in both allograft tolerance and acceleration of chronic rejection. We summarize and interpret these results in aggregate and provide future directions for study of IL-33 in heart and lung transplantation.
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Affiliation(s)
- Ghandi F Hassan
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, Missouri
| | - Lucy S Cohen
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, Missouri
| | - Jen Alexander-Brett
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, Saint Louis, Missouri; Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, Missouri.
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2
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Kang MH, Bae YS. IL-33 and IL-33-derived DC-based tumor immunotherapy. Exp Mol Med 2024; 56:1340-1347. [PMID: 38825642 PMCID: PMC11263671 DOI: 10.1038/s12276-024-01249-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 02/20/2024] [Accepted: 03/14/2024] [Indexed: 06/04/2024] Open
Abstract
Interleukin-33 (IL-33), a member of the IL-1 family, is a cytokine released in response to tissue damage and is recognized as an alarmin. The multifaceted roles of IL-33 in tumor progression have sparked controversy within the scientific community. However, most findings generally indicate that endogenous IL-33 has a protumor effect, while exogenous IL-33 often has an antitumor effect in most cases. This review covers the general characteristics of IL-33 and its effects on tumor growth, with detailed information on the immunological mechanisms associated with dendritic cells (DCs). Notably, DCs possess the capability to uptake, process, and present antigens to CD8+ T cells, positioning them as professional antigen-presenting cells. Recent findings from our research highlight the direct association between the tumor-suppressive effects of exogenous IL-33 and a novel subset of highly immunogenic cDC1s. Exogenous IL-33 induces the development of these highly immunogenic cDC1s through the activation of other ST2+ immune cells both in vivo and in vitro. Recognizing the pivotal role of the immunogenicity of DC vaccines in DC-based tumor immunotherapy, we propose compelling methods to enhance this immunogenicity through the addition of IL-33 and the promotion of highly immunogenic DC generation.
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Affiliation(s)
- Myeong-Ho Kang
- Department of Biological Sciences, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea
- Center for Immune Research on Non-Lymphoid Organs, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Yong-Soo Bae
- Department of Biological Sciences, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea.
- Center for Immune Research on Non-Lymphoid Organs, Sungkyunkwan University, 2066 Seobu-ro, Suwon, Gyeonggi-do, 16419, Republic of Korea.
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3
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Pacini CP, Soares MVD, Lacerda JF. The impact of regulatory T cells on the graft-versus-leukemia effect. Front Immunol 2024; 15:1339318. [PMID: 38711496 PMCID: PMC11070504 DOI: 10.3389/fimmu.2024.1339318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 04/08/2024] [Indexed: 05/08/2024] Open
Abstract
Allogeneic Hematopoietic Stem Cell Transplantation (allo-HSCT) is the only curative therapy for many hematologic malignancies, whereby the Graft-versus-Leukemia (GVL) effect plays a pivotal role in controlling relapse. However, the success of GVL is hindered by Graft-versus-Host Disease (GVHD), where donor T cells attack healthy tissues in the recipient. The ability of natural regulatory T cells (Treg) to suppress immune responses has been exploited as a therapeutical option against GVHD. Still, it is crucial to evaluate if the ability of Treg to suppress GVHD does not compromise the benefits of GVL. Initial studies in animal models suggest that Treg can attenuate GVHD while preserving GVL, but results vary according to tumor type. Human trials using Treg as GVHD prophylaxis or treatment show promising results, emphasizing the importance of infusion timing and Treg/Tcon ratios. In this review, we discuss strategies that can be used aiming to enhance GVL post-Treg infusion and the proposed mechanisms for the maintenance of the GVL effect upon the adoptive Treg transfer. In order to optimize the therapeutic outcomes of Treg administration in allo-HSCT, future efforts should focus on refining Treg sources for infusion and evaluating their specificity for antigens mediating GVHD while preserving GVL responses.
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Affiliation(s)
- Carolina P. Pacini
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Maria V. D. Soares
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - João F. Lacerda
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
- Serviço de Hematologia e Transplantação de Medula, Hospital de Santa Maria, ULS Santa Maria, Lisbon, Portugal
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4
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Alvarez F, Liu Z, Bay A, Piccirillo CA. Deciphering the developmental trajectory of tissue-resident Foxp3 + regulatory T cells. Front Immunol 2024; 15:1331846. [PMID: 38605970 PMCID: PMC11007185 DOI: 10.3389/fimmu.2024.1331846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 02/14/2024] [Indexed: 04/13/2024] Open
Abstract
Foxp3+ TREG cells have been at the focus of intense investigation for their recognized roles in preventing autoimmunity, facilitating tissue recuperation following injury, and orchestrating a tolerance to innocuous non-self-antigens. To perform these critical tasks, TREG cells undergo deep epigenetic, transcriptional, and post-transcriptional changes that allow them to adapt to conditions found in tissues both at steady-state and during inflammation. The path leading TREG cells to express these tissue-specialized phenotypes begins during thymic development, and is further driven by epigenetic and transcriptional modifications following TCR engagement and polarizing signals in the periphery. However, this process is highly regulated and requires TREG cells to adopt strategies to avoid losing their regulatory program altogether. Here, we review the origins of tissue-resident TREG cells, from their thymic and peripheral development to the transcriptional regulators involved in their tissue residency program. In addition, we discuss the distinct signalling pathways that engage the inflammatory adaptation of tissue-resident TREG cells, and how they relate to their ability to recognize tissue and pathogen-derived danger signals.
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Affiliation(s)
- Fernando Alvarez
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology (CETI), Montréal, QC, Canada
| | - Zhiyang Liu
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology (CETI), Montréal, QC, Canada
| | - Alexandre Bay
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology (CETI), Montréal, QC, Canada
| | - Ciriaco A. Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Infectious Diseases and Immunology in Global Health Program, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, QC, Canada
- Centre of Excellence in Translational Immunology (CETI), Montréal, QC, Canada
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5
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Bülow S, Ederer KU, Holzinger JM, Zeller L, Werner M, Toelge M, Pfab C, Hirsch S, Göpferich F, Hiergeist A, Berberich-Siebelt F, Gessner A. Bactericidal/permeability-increasing protein instructs dendritic cells to elicit Th22 cell response. Cell Rep 2024; 43:113929. [PMID: 38457343 DOI: 10.1016/j.celrep.2024.113929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/01/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024] Open
Abstract
Neutrophil-derived bactericidal/permeability-increasing protein (BPI) is known for its bactericidal activity against gram-negative bacteria and neutralization of lipopolysaccharide. Here, we define BPI as a potent activator of murine dendritic cells (DCs). As shown in GM-CSF-cultured, bone-marrow-derived cells (BMDCs), BPI induces a distinct stimulation profile including IL-2, IL-6, and tumor necrosis factor expression. Conventional DCs also respond to BPI, while M-CSF-cultivated or peritoneal lavage macrophages do not. Subsequent to BPI stimulation of BMDCs, CD4+ T cells predominantly secrete IL-22 and, when naive, preferentially differentiate into T helper 22 (Th22) cells. Congruent with the tissue-protective properties of IL-22 and along with impaired IL-22 induction, disease severity is significantly increased during dextran sodium sulfate-induced colitis in BPI-deficient mice. Importantly, physiological diversification of intestinal microbiota fosters BPI-dependent IL-22 induction in CD4+ T cells derived from mesenteric lymph nodes. In conclusion, BPI is a potent activator of DCs and consecutive Th22 cell differentiation with substantial relevance in intestinal homeostasis.
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Affiliation(s)
- Sigrid Bülow
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany.
| | - Katharina U Ederer
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Jonas M Holzinger
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Lisa Zeller
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Maren Werner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Martina Toelge
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Christina Pfab
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Sarah Hirsch
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Franziska Göpferich
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Andreas Hiergeist
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | | | - André Gessner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
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6
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Soedono S, Sharlene S, Vo DHN, Averia M, Rosalie EE, Lee YK, Cho KW. Obese visceral adipose dendritic cells downregulate regulatory T cell development through IL-33. Front Immunol 2024; 15:1335651. [PMID: 38566998 PMCID: PMC10985834 DOI: 10.3389/fimmu.2024.1335651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/08/2024] [Indexed: 04/04/2024] Open
Abstract
Regulatory T cells (Tregs) residing in visceral adipose tissue (VAT) play a pivotal role in regulating tissue inflammation and metabolic dysfunction associated with obesity. However, the specific phenotypic and functional characteristics of Tregs in obese VAT, as well as the regulatory mechanisms shaping them, remain elusive. This study demonstrates that obesity selectively reduces Tregs in VAT, characterized by restrained proliferation, heightened PD-1 expression, and diminished ST2 expression. Additionally, obese VAT displays distinctive maturation of dendritic cells (DCs), marked by elevated expressions of MHC-II, CD86, and PD-L1, which are inversely correlated with VAT Tregs. In an in vitro co-culture experiment, only obese VAT DCs, not macrophages or DCs from subcutaneous adipose tissue (SAT) and spleen, result in decreased Treg differentiation and proliferation. Furthermore, Tregs differentiated by obese VAT DCs exhibit distinct characteristics resembling those of Tregs in obese VAT, such as reduced ST2 and IL-10 expression. Mechanistically, obesity lowers IL-33 production in VAT DCs, contributing to the diminished Treg differentiation. These findings collectively underscore the critical role of VAT DCs in modulating Treg generation and shaping Treg phenotype and function during obesity, potentially contributing to the regulation of VAT Treg populations.
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Affiliation(s)
- Shindy Soedono
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan, Republic of Korea
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan, Republic of Korea
| | - Sharlene Sharlene
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan, Republic of Korea
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan, Republic of Korea
| | - Dan Hoang Nguyet Vo
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan, Republic of Korea
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan, Republic of Korea
| | - Maria Averia
- Magister of Biotechnology, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Eufrasia Elaine Rosalie
- Faculty of Biotechnology, Department of Food Technology, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Yun Kyung Lee
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan, Republic of Korea
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan, Republic of Korea
| | - Kae Won Cho
- Department of Integrated Biomedical Science, Soonchunhyang University, Cheonan, Republic of Korea
- Soonchunhyang Institute of Medi-bio Science (SIMS), Soonchunhyang University, Cheonan, Republic of Korea
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7
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Zhou Y, Xu Z, Liu Z. Role of IL-33-ST2 pathway in regulating inflammation: current evidence and future perspectives. J Transl Med 2023; 21:902. [PMID: 38082335 PMCID: PMC10714644 DOI: 10.1186/s12967-023-04782-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 12/01/2023] [Indexed: 12/18/2023] Open
Abstract
Interleukin (IL)-33 is an alarmin of the IL-1 superfamily localized to the nucleus of expressing cells, such as endothelial cells, epithelial cells, and fibroblasts. In response to cellular damage or stress, IL-33 is released and activates innate immune responses in some immune and structural cells via its receptor interleukin-1 receptor like-1 (IL-1RL1 or ST2). Recently, IL-33 has become a hot topic of research because of its role in pulmonary inflammation. The IL-33-ST2 signaling pathway plays a pro-inflammatory role by activating the type 2 inflammatory response, producing type 2 cytokines and chemokines. Elevated levels of IL-33 and ST2 have been observed in chronic pulmonary obstructive disease (COPD). Notably, IL-33 is present in COPD induced by cigarette smoke or acute inflammations. The role of IL-33 in sepsis is becoming increasingly prominent, and understanding its significance in the treatment of sepsis associated with high mortality is critical. In addition to its pro-inflammatory effects, the IL-33-ST2 axis appears to play a role in bacterial clearance and tissue repair. In this review, we focused on the role of the IL-33-ST2 axis in sepsis, asthma, and COPD and summarized the therapeutic targets associated with this axis, providing a basis for future treatment.
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Affiliation(s)
- Yilu Zhou
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Zhendong Xu
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
| | - Zhiqiang Liu
- Department of Anesthesiology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai, China.
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8
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Ye Z, Zhang T, Xu M, Xu J. Association of soluble ST2 with disease activity in pediatric systemic lupus erythematosus. Clin Chim Acta 2023; 551:117609. [PMID: 37858712 DOI: 10.1016/j.cca.2023.117609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/30/2023] [Accepted: 10/16/2023] [Indexed: 10/21/2023]
Abstract
OBJECTIVE The aim of this study is to assess soluble ST2 (sST2) as a potential biomarker in pediatric systemic lupus erythematous patients (pSLEs), especially to reveal the association of the sST2 levels with the disease activity and other laboratory tests. METHODS A total of 65 pSLEs and 33 age- and sex- matched healthy controls (HCs) were enrolled in this study between July and December 2022 from Children's Hospital of Fudan University. Serum levels of sST2 were determined and clinical information and laboratory test results were collected. RESULTS Serum sST2 levels were significantly increased in pSLEs (36.7 ng/mL, IQR 16.6-76.9) compared with HCs (10.4 ng/mL, IQR 6.4-14.8). Patients with moderate to severe disease activities had significantly elevated levels of sST2 compared with those with inactive and mild disease activities. A positive correlation was found between sST2 levels and SLE Disease Activity Index-2000 (SLEDAI-2K) scores. The serum levels of sST2 also showed positive correlations with anti-dsDNA antibody, ALT, AST, GGT, blood urea, and negative correlations with C3, C4, CH50 and ALP. ROC analysis showed that sST2 could discriminate active disease (AUC: 0.959, 95 %CI 0.878-0.992) with an optimal cut-off of 30.2 ng/mL (sensitivity: 89.7 %, specificity: 100 %) and moderate/severe disease activities (AUC: 0.962, 95 %CI 0.883-0.994) with an optimal cut-off of 45.2 ng/mL (sensitivity: 91.7 %, specificity: 90.2 %). Decreased sST2 levels were observed after clinical treatment. CONCLUSIONS Elevated serum sST2 level in pSLEs were observed and were highly associated with disease activity, suggesting sST2 might be a potential biomarker for pSLEs.
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Affiliation(s)
- Zhicheng Ye
- Department of Clinical Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Tao Zhang
- Department of Rheumatology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Menghua Xu
- Department of Clinical Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China; Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai, China.
| | - Jin Xu
- Department of Clinical Laboratory, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China; Shanghai Institute of Infectious Disease and Biosecurity, Fudan University, Shanghai, China.
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9
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Jiang C, Jin X, Li C, Wen L, Wang Y, Li X, Zhang Z, Tan R. Roles of IL-33 in the Pathogenesis of Cardiac Disorders. Exp Biol Med (Maywood) 2023; 248:2167-2174. [PMID: 37828753 PMCID: PMC10800126 DOI: 10.1177/15353702231198075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023] Open
Abstract
Interleukin-33 (IL-33) is a member of the IL-1 cytokine family and is believed to play important roles in different diseases by binding to its specific receptor suppression of tumorigenicity 2 (ST2). In the heart, IL-33 is expressed in different cells including cardiomyocytes, fibroblasts, endothelium, and epithelium. Although many studies have been devoted to investigating the effects of IL-33 on heart diseases, its roles in myocardial injuries remain obscure, and thus further studies are mandatory to unravel the underlying molecular mechanisms. We highlighted the current knowledge of the molecular and cellular characteristics of IL-33 and then summarized its major roles in different myocardial injuries, mainly focusing on infection, heart transplantation, coronary atherosclerosis, myocardial infarction, and diabetic cardiomyopathy. This narrative review will summarize current understanding and insights regarding the implications of IL-33 in cardiac diseases and its diagnostic and therapeutic potential for cardiac disease management.
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Affiliation(s)
- Chunjie Jiang
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
| | - Xuemei Jin
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
- Department of Preventive Medicine, School of Medicine, Yanbian University, Yanji 133002, China
| | - Chunlei Li
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
| | - Luona Wen
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
| | - Yuqi Wang
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
| | - Xiaojian Li
- Department of Burns, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220 China
| | - Zhi Zhang
- Department of Burns, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220 China
| | - Rongshao Tan
- Department of Clinical Nutrition, Guangzhou Institute of Disease-Oriented Nutritional Research, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, China
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10
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Liu L, Zheng W, Qian H, Zhao Z, Tian L, Song Y, Lei X, Zhao Z, Xue X, Zheng X. Over-expression of IL-33 enhances rabies virus early antigen presentations and cellular immune responses in mice. Int Immunopharmacol 2023; 124:111005. [PMID: 37804656 DOI: 10.1016/j.intimp.2023.111005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/17/2023] [Accepted: 09/25/2023] [Indexed: 10/09/2023]
Abstract
Human inactivated rabies virus (RABV) vaccines have been widely used worldwide over 30 years. The mechanisms of humoral immunity elicited by previously reported rabies candidate vaccines have been fully investigated, but little is known about the cellular immunity profiles. Herein, the recombinant RABV rLBNSE-IL-33 overexpressing the mouse interleukin-33 (IL-33) proliferated well in Neuro-2a cells and had no effects with the parent virus on growth kinetic in vitro and viral pathogenicity in mice. The rLBNSE-IL-33 experienced more antigen presentations by MHC-II on DCs and activated more CD4+ T cells which helped recruit more CD19+CD40+ B cells in blood and promote rapid and robust IgG1 antibodies responses at initial infection stage compared with the parent rLBNSE strain. Simultaneously, the rLBNSE-IL-33 were also presented by MHC-I to CD8+ T cells which contributed to produce high levels of IgG2a. The rLBNSE-IL-33 elicited significantly high levels of RABV-specific IFN-γ secreting memory CD4+ T cells, more RABV-specific IL-4 and IFN-γ secreting memory CD8+ T cells in spleens at early infection stage in mice. Altogether, overexpression of IL-33 in rLBNSE-IL-33 enhanced early antigen presentation, markedly promote CD4+, memory CD4+ and CD8+ T cells-mediated responses and provided a 100 % protection from lethal RABV challenge in mice. These findings provided an alternative novel therapy and vaccine strategy in future.
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Affiliation(s)
- Lele Liu
- The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, Shandong, China; Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Wenwen Zheng
- The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, Shandong, China; Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Hua Qian
- The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, Shandong, China
| | - Zhongxin Zhao
- Department of Laboratory Medicine, Linyi People's Hospital, Linyi, Shandong 276002, China
| | - Li Tian
- Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Yanyan Song
- Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Xiaoying Lei
- Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Zhongpeng Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences, Beijing 100071, China
| | - Xianghong Xue
- Divisions of Infectious Diseases of Special Animal, Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China.
| | - Xuexing Zheng
- The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250033, Shandong, China; Department of Virology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
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11
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Wang Y, He C, Xin S, Liu X, Zhang S, Qiao B, Shang H, Gao L, Xu J. A Deep View of the Biological Property of Interleukin-33 and Its Dysfunction in the Gut. Int J Mol Sci 2023; 24:13504. [PMID: 37686309 PMCID: PMC10487440 DOI: 10.3390/ijms241713504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/19/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Intestinal diseases have always posed a serious threat to human health, with inflammatory bowel disease (IBD) being one of them. IBD is an autoimmune disease characterized by chronic inflammation, including ulcerative colitis (UC) and Crohn's disease (CD). The "alarm" cytokine IL-33, which is intimately associated with Th2 immunity, is a highly potent inflammatory factor that is considered to have dual functions-operating as both a pro-inflammatory cytokine and a transcriptional regulator. IL-33 has been shown to play a crucial role in both the onset and development of IBD. Therefore, this review focuses on the pathogenesis of IBD, the major receptor cell types, and the activities of IL-33 in innate and adaptive immunity, as well as its underlying mechanisms and conflicting conclusions in IBD. We have also summarized different medicines targeted to IL-33-associated diseases. Furthermore, we have emphasized the role of IL-33 in gastrointestinal cancer and parasitic infections, giving novel prospective therapeutic utility in the future application of IL-33.
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Affiliation(s)
- Yi Wang
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Chengwei He
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Shuzi Xin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Xiaohui Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
| | - Sitian Zhang
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Boya Qiao
- Department of Clinical Medicine, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (Y.W.); (S.Z.); (B.Q.)
| | - Hongwei Shang
- Experimental Center for Morphological Research Platform, Capital Medical University, Beijing 100069, China;
| | - Lei Gao
- Department of Intelligent Medical Engineering, School of Biomedical Engineering, Capital Medical University, Beijing 100069, China
| | - Jingdong Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (C.H.); (S.X.); (X.L.)
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12
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Cassano A, Chong AS, Alegre ML. Tregs in transplantation tolerance: role and therapeutic potential. FRONTIERS IN TRANSPLANTATION 2023; 2:1217065. [PMID: 38993904 PMCID: PMC11235334 DOI: 10.3389/frtra.2023.1217065] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/14/2023] [Indexed: 07/13/2024]
Abstract
CD4+ Foxp3+ regulatory T cells (Tregs) are indispensable for preventing autoimmunity, and they play a role in cancer and transplantation settings by restraining immune responses. In this review, we describe evidence for the importance of Tregs in the induction versus maintenance of transplantation tolerance, discussing insights into mechanisms of Treg control of the alloimmune response. Further, we address the therapeutic potential of Tregs as a clinical intervention after transplantation, highlighting engineered CAR-Tregs as well as expansion of donor and host Tregs.
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Affiliation(s)
- Alexandra Cassano
- Department of Medicine, University of Chicago, Chicago, IL, United States
| | - Anita S. Chong
- Department of Surgery, University of Chicago, Chicago, IL, United States
| | - Maria-Luisa Alegre
- Department of Medicine, University of Chicago, Chicago, IL, United States
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13
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Wang X, Travis OK, Shields CA, Tardo GA, Giachelli C, Nutter CW, Glenn HL, Cooper OG, Davis T, Thomas R, Williams JM, Cornelius DC. NLRP3 inhibition improves maternal hypertension, inflammation, and vascular dysfunction in response to placental ischemia. Am J Physiol Regul Integr Comp Physiol 2023; 324:R556-R567. [PMID: 36847598 PMCID: PMC10069976 DOI: 10.1152/ajpregu.00192.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 03/01/2023]
Abstract
Preeclampsia (PE) is a pregnancy-specific hypertensive disorder with end-organ damage that presents after 20 wk of gestation. PE pathophysiology often includes vascular dysfunction and increased inflammation that continues to damage patient health even after PE resolves. Currently, there is no cure for PE beyond delivery of the fetal-placental unit. Previous clinical studies have identified elevated placental NLRP3 expression in patients with PE and suggest NLRP3 as a potential therapeutic target. In this study, we examined the effect of NLRP3 inhibition on PE pathophysiology in the reduced uterine perfusion pressure (RUPP) model rat using MCC950 (20 mg/kg/day) or esomeprazole (3.5 mg/kg/day). We hypothesized that increased NLRP3 in response to placental ischemia impairs anti-inflammatory IL-33 signaling to induce T-helper 17 cell (TH17) and cytolytic NK cell (cNK) activation, which is known to mediate oxidative stress and vascular dysfunction leading to maternal HTN and intrauterine growth restriction. RUPP rats had significantly higher placental NLRP3 expression, maternal blood pressure, fetal reabsorption rate, vascular resistance, oxidative stress, cNKs and TH17s, and decreased IL-33 compared with normal pregnant (NP) rats. NLRP3 inhibition, with either treatment, significantly reduced placental NLRP3 expression, maternal blood pressure, fetal reabsorption rates, vascular resistance, oxidative stress, cNK, and TH17 populations in RUPP rats. Based on our findings, NLRP3 inhibition reduces PE pathophysiology and esomeprazole may be a potential therapeutic for PE treatment.
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Affiliation(s)
- Xi Wang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Olivia K Travis
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Corbin A Shields
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - G Ann Tardo
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Chelsea Giachelli
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Christopher W Nutter
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Hannah L Glenn
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Olive G Cooper
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Tatiana Davis
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Rashauna Thomas
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Jan M Williams
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
| | - Denise C Cornelius
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi, United States
- Department of Emergency Medicine, University of Mississippi Medical Center, Jackson, Mississippi, United States
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14
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Hanna BS, Yaghi OK, Langston PK, Mathis D. The potential for Treg-enhancing therapies in tissue, in particular skeletal muscle, regeneration. Clin Exp Immunol 2023; 211:138-148. [PMID: 35972909 PMCID: PMC10019136 DOI: 10.1093/cei/uxac076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 06/29/2022] [Accepted: 08/10/2022] [Indexed: 11/13/2022] Open
Abstract
Foxp3+CD4+ regulatory T cells (Tregs) are famous for their role in maintaining immunological tolerance. With their distinct transcriptomes, growth-factor dependencies and T-cell receptor (TCR) repertoires, Tregs in nonlymphoid tissues, termed "tissue-Tregs," also perform a variety of functions to help assure tissue homeostasis. For example, they are important for tissue repair and regeneration after various types of injury, both acute and chronic. They exert this influence by controlling both the inflammatory tenor and the dynamics of the parenchymal progenitor-cell pool in injured tissues, thereby promoting efficient repair and limiting fibrosis. Thus, tissue-Tregs are seemingly attractive targets for immunotherapy in the context of tissue regeneration, offering several advantages over existing therapies. Using skeletal muscle as a model system, we discuss the existing literature on Tregs' role in tissue regeneration in acute and chronic injuries, and various approaches for their therapeutic modulation in such contexts, including exercise as a natural Treg modulator.
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Affiliation(s)
- Bola S Hanna
- Department of Immunology, Harvard Medical School and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital; Boston, USA
| | - Omar K Yaghi
- Department of Immunology, Harvard Medical School and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital; Boston, USA
| | - P Kent Langston
- Department of Immunology, Harvard Medical School and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital; Boston, USA
| | - Diane Mathis
- Department of Immunology, Harvard Medical School and Evergrande Center for Immunologic Diseases, Harvard Medical School and Brigham and Women’s Hospital; Boston, USA
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15
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Mok MY, Law KS, Kong WY, Luo CY, Asfaw ET, Chan KW, Huang FP, Lau CS, Chan GCF. Interleukin-33 Ameliorates Murine Systemic Lupus Erythematosus and Is Associated with Induction of M2 Macrophage Polarisation and Regulatory T Cells. J Innate Immun 2023; 15:485-498. [PMID: 36889298 PMCID: PMC10134067 DOI: 10.1159/000529931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 02/14/2023] [Indexed: 03/10/2023] Open
Abstract
The innate cytokine IL-33 is increasingly recognised to possess biological effects on various immune cells. We have previously demonstrated elevated serum level of soluble ST2 in patients with active systemic lupus erythematosus suggesting involvement of IL-33 and its receptor in the lupus pathogenesis. This study sought to examine the effect of exogenous IL-33 on disease activity of pre-disease lupus-prone mice and the underlying cellular mechanisms. Recombinant IL-33 was administered to MRL/lpr mice for 6 weeks, whereas control group received phosphate-buffered saline. IL-33-treated mice displayed less proteinuria, renal histological inflammatory changes, and had lower serum levels of pro-inflammatory cytokines including IL-6 and TNF-α. Renal tissue and splenic CD11b+ extracts showed features of M2 polarisation with elevated mRNA expression of Arg1, FIZZI, and reduced iNOS. These mice also had increased IL-13, ST2, Gata3, and Foxp3 mRNA expression in renal and splenic tissues. Kidneys of these mice displayed less CD11b+ infiltration, had downregulated MCP-1, and increased infiltration of Foxp3-expressing cells. Splenic CD4+ T cells showed increased ST2-expressing CD4+Foxp3+ population and reduced IFN-γ+ population. There were no differences in serum anti-dsDNA antibodies and renal C3 and IgG2a deposit in these mice. Exogenous IL-33 was found to ameliorate disease activity in lupus-prone mice with induction of M2 polarisation, Th2 response, and expansion of regulatory T cells. IL-33 likely orchestrated autoregulation of these cells through upregulation of ST2 expression.
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Affiliation(s)
- Mo Yin Mok
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
- Department of Medicine, University of Hong Kong, Hong Kong SAR, China
| | - Ka Sin Law
- Department of Medicine, University of Hong Kong, Hong Kong SAR, China
| | - Wing Yin Kong
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Cai Yun Luo
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Hong Kong SAR, China
| | - Endale T. Asfaw
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Kwok Wah Chan
- Department of Pathology, University of Hong Kong, Hong Kong SAR, China
| | - Fang Ping Huang
- Department of Pathology, University of Hong Kong, Hong Kong SAR, China
| | - Chak Sing Lau
- Department of Medicine, University of Hong Kong, Hong Kong SAR, China
| | - Godfrey Chi Fung Chan
- Department of Paediatrics and Adolescent Medicine, University of Hong Kong, Hong Kong SAR, China
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16
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Yu Y, Bai H, Wu F, Chen J, Li B, Li Y. Tissue adaptation of regulatory T cells in adipose tissue. Eur J Immunol 2022; 52:1898-1908. [PMID: 36369886 DOI: 10.1002/eji.202149527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 08/05/2022] [Accepted: 10/27/2022] [Indexed: 11/15/2022]
Abstract
Foxp3+ regulatory T (Treg) cells critically suppress over-activated immune responses and therefore maintain immune homeostasis. Adipose tissue-resident Treg (AT Treg) cells are known for modulating immunity and metabolism in adipose tissue microenvironment through various physiological signals, as well as their heterogeneous subsets, which potentially play disparate roles in aging and obesity. Recent single-cell studies of Treg cells have revealed specialized trajectories of their tissue adaptation and development in lymphoid tissues and at barrier sites. Here, we reviewed a T Cell Receptor (TCR)-primed environmental cue-boosted model of adipose Treg cells' tissue adaptation, especially in response to IL-33, IFN-α, insulin, and androgen signals, which trigger sophisticated transcriptional cascades and ultimately establish unique transcriptional modules in adipose Treg cell subsets. In addition, we further discuss potential therapeutic strategies against aging and obesity by blocking detrimental environmental cues, strengthening the functions of specific AT Treg subsets and modifying the communications between AT Treg subsets and adipocytes.
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Affiliation(s)
- Yimeng Yu
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongyu Bai
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fenglin Wu
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jieqiong Chen
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Bin Li
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Department of Respiratory and Critical Care Medicine of Ruijin Hospital, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yangyang Li
- Unit of Immune and Metabolic Regulation, School of Life Science and Technology, ShanghaiTech University, Shanghai, China
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17
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ALLERGY IS AN IMMUNE DISORDER RELATED TO A LACK OF REGULATION: THE GLUING ROLE OF IL-2. Immunol Lett 2022; 251-252:103-106. [DOI: 10.1016/j.imlet.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 11/09/2022] [Accepted: 11/13/2022] [Indexed: 11/16/2022]
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18
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Guo H, Bossila EA, Ma X, Zhao C, Zhao Y. Dual Immune Regulatory Roles of Interleukin-33 in Pathological Conditions. Cells 2022; 11:cells11203237. [PMID: 36291105 PMCID: PMC9600220 DOI: 10.3390/cells11203237] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 11/20/2022] Open
Abstract
Interleukin-33 (IL-33), a member of the IL-1 cytokine family and a multifunctional cytokine, plays critical roles in maintaining host homeostasis and in pathological conditions, such as allergy, infectious diseases, and cancer, by acting on multiple types of immune cells and promoting type 1 and 2 immune responses. IL-33 is rapidly released by immune and non-immune cells upon stimulation by stress, acting as an “alarmin” by binding to its receptor, suppression of tumorigenicity 2 (ST2), to trigger downstream signaling pathways and activate inflammatory and immune responses. It has been recognized that IL-33 displays dual-functioning immune regulatory effects in many diseases and has both pro- and anti-tumorigenic effects, likely depending on its primary target cells, IL-33/sST2 expression levels, cellular context, and the cytokine microenvironment. Herein, we summarize our current understanding of the biological functions of IL-33 and its roles in the pathogenesis of various conditions, including inflammatory and autoimmune diseases, infections, cancers, and cases of organ transplantation. We emphasize the nature of context-dependent dual immune regulatory functions of IL-33 in many cells and diseases and review systemic studies to understand the distinct roles of IL-33 in different cells, which is essential to the development of more effective diagnoses and therapeutic approaches for IL-33-related diseases.
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Affiliation(s)
- Han Guo
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Elhusseny A. Bossila
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
- Biotechnology Department, Faculty of Agriculture Al-Azhar University, Cairo 11311, Egypt
| | - Xinran Ma
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Chenxu Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
| | - Yong Zhao
- State Key Laboratory of Membrane Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 101499, China
- Beijing Institute for Stem Cell and Regeneration, Beijing 100101, China
- Correspondence: ; Tel.: +86-10-64807302; Fax: +86-10-64807313
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19
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Zuurveld M, Kiliaan PC, van Grinsven SE, Folkerts G, Garssen J, van't Land B, Willemsen LE. Ovalbumin-Induced Epithelial Activation Directs Monocyte-Derived Dendritic Cells to Instruct Type 2 Inflammation in T Cells Which Is Differentially Modulated by 2'-Fucosyllactose and 3-Fucosyllactose. J Innate Immun 2022; 15:222-239. [PMID: 36215948 PMCID: PMC10643896 DOI: 10.1159/000526528] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/11/2022] [Indexed: 11/19/2022] Open
Abstract
Allergic sensitization starts with epithelial cell activation driving dendritic cells (DCs) to instruct T helper 2 (Th2) cell polarization. Food allergens trigger intestinal epithelial cell (IEC) activation. Human milk oligosaccharides may temper the allergic phenotype by shaping mucosal immune responses.We investigated in vitro mucosal immune development after allergen exposure by combining ovalbumin (OVA)-preexposed IEC with monocyte-derived DCs (OVA-IEC-DCs) and subsequent coculture of OVA-IEC-DCs with Th cells. IECs were additionally preincubated with 2'FL or 3FL.OVA activation increased IEC cytokine secretion. OVA-IEC-DCs instructed both IL13 (p < 0.05) and IFNγ (p < 0.05) secretion from Th cells. 2'FL and 3FL permitted OVA-induced epithelial activation, but 2'FL-OVA-IEC-DCs boosted inflammatory and regulatory T-cell development. 3FL-OVA-IEC lowered IL12p70 and IL23 in DCs and suppressed IL13 (p < 0.005) in T cells, while enhancing IL17 (p < 0.001) and IL10 (p < 0.005).These results show that OVA drives Th2- and Th1-type immune responses via activation of IECs in this model. 2'FL and 3FL differentially affect OVA-IEC-driven immune effects. 2'FL boosted overall T-cell OVA-IEC immunity via DC enhancing inflammatory and regulatory responses. 3FL-OVA-IEC-DCs silenced IL13, shifting the balance towards IL17 and IL10.This model demonstrates the contribution of IEC to OVA Th2-type immunity. 2'FL and 3FL modulate the OVA-induced activation in this novel model to study allergic sensitization.
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Affiliation(s)
- Marit Zuurveld
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Pien C.J. Kiliaan
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Sophie E.L. van Grinsven
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Gert Folkerts
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
- Danone Nutricia Research, Utrecht, The Netherlands
| | - Belinda van't Land
- Danone Nutricia Research, Utrecht, The Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Linette E.M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
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20
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Lei S, Jin J, Zhao X, Zhou L, Qi G, Yang J. The role of IL-33/ST2 signaling in the tumor microenvironment and Treg immunotherapy. Exp Biol Med (Maywood) 2022; 247:1810-1818. [PMID: 35733343 PMCID: PMC9679353 DOI: 10.1177/15353702221102094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Interleukin (IL)-33 is a tissue-derived nuclear cytokine belonging to the IL-1 family. Stimulation-2 (ST2) is the only known IL-33 receptor. ST2 signals mostly on immune cells found within tissues, such as regulatory T cells (Treg cells), CD8+ T cells, and natural killer (NK) cells. Therefore, the IL-33/ST2 signaling pathway is important in the immune system. IL-33 deficiency impairs Treg cell function. ST2 signaling is also increased in active Treg cells, providing a new approach for Treg-related immunotherapy. The IL-33/ST2 signaling pathway regulates multiple immune-related cells by activating various intracellular kinases and factors in the tumor microenvironment (TME). Here, we review the latest studies on the role of the IL-33/ST2 signaling pathway in TME and Treg immunotherapy.
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Affiliation(s)
- Shangbo Lei
- Department of Immunology, Guilin Medical University, Guilin 541199, Guangxi, China,Department of Pathophysiology, Guilin Medical University, Guilin 541199, Guangxi, China,Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Jiamin Jin
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Xiangfeng Zhao
- Department of Immunology, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Lihua Zhou
- Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Guangying Qi
- Department of Pathophysiology, Guilin Medical University, Guilin 541199, Guangxi, China,Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541199, Guangxi, China
| | - Jinfeng Yang
- Department of Immunology, Guilin Medical University, Guilin 541199, Guangxi, China,Guangxi Key Laboratory of Tumor Immunology and Microenvironmental Regulation, Guilin Medical University, Guilin 541199, Guangxi, China,Jinfeng Yang.
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21
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Spath S, Roan F, Presnell SR, Höllbacher B, Ziegler SF. Profiling of Tregs across tissues reveals plasticity in ST2 expression and hierarchies in tissue-specific phenotypes. iScience 2022; 25:104998. [PMID: 36093048 PMCID: PMC9460833 DOI: 10.1016/j.isci.2022.104998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/03/2022] [Accepted: 08/18/2022] [Indexed: 11/18/2022] Open
Abstract
Foxp3+ regulatory T cells (Tregs) are critical mediators of peripheral tolerance and immune homeostasis and exert tissue-specific functions. In many nonlymphoid tissues, Tregs show enriched expression of the IL-33 receptor ST2. Through comprehensive profiling of murine ST2+ and ST2- Tregs, we found that Treg transcriptomes and phenotypes formed a hierarchical relationship across tissues. Only a small core signature distinguished ST2+ Tregs from ST2- Tregs across all tissues, and differences in transcriptional profiles were predominantly tissue-specific. We also identified unique, highly proliferative, circulating ST2+ Tregs with high migratory potential. In adoptive transfers, both ST2+ and ST2- Tregs seeded various host tissues and demonstrated plasticity in ST2 expression. Furthermore, Tregs from donor lungs were differentially recovered from host nonlymphoid tissues in an IL-33-dependent manner. In summary, our work identified tissue residency rather than ST2 expression as a primary driver of tissue Treg identity and highlights the unique, tissue-specific adaption of ST2+ Tregs. Tissue of residency rather than ST2 expression is a primary driver of Treg identity A small core signature distinguishes ST2+ Tregs from ST2- Tregs across tissues Circulating ST2+ Tregs have diverse chemokine receptor profiles Plasticity of ST2 expression on transferred Tregs occurs in a tissue-specific manner
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Affiliation(s)
- Sabine Spath
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA 98101, USA
| | - Florence Roan
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA 98101, USA
- Division of Allergy and Infectious Diseases, University of Washington School of Medicine, Seattle, WA 98109, USA
| | - Scott R. Presnell
- Center for Systems Immunology, Benaroya Research Institute, Seattle, WA 98101, USA
| | - Barbara Höllbacher
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA 98101, USA
- Institute of Computational Biology (ICB), Helmholtz Zentrum Muenchen (HMGU), 85764 Munich, Neuherberg, Germany
- Department of Informatics, TUM, 85748 Munich, Garching, Germany
| | - Steven F. Ziegler
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA 98101, USA
- Department of Immunology, University of Washington School of Medicine, Seattle, WA 98109, USA
- Corresponding author
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22
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Contreras A, Wiesner DL, Kingstad-Bakke B, Lee W, Svaren JP, Klein BS, Suresh M. BACH2 in TRegs Limits the Number of Adipose Tissue Regulatory T Cells and Restrains Type 2 Immunity to Fungal Allergens. J Immunol Res 2022; 2022:6789055. [PMID: 36033397 PMCID: PMC9410868 DOI: 10.1155/2022/6789055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 07/19/2022] [Indexed: 01/28/2023] Open
Abstract
FoxP3+ regulatory T cells (Tregs) are essential for self-tolerance and moderating tissue-damaging inflammation. Tregs that develop and mature in the thymus are classified as central Tregs or effector Tregs based on whether Tregs predominately inhabit secondary lymphoid organs (central Tregs) or tissues (effector Tregs). By generating mice that are conditionally deficient for Bach2 in peripheral Tregs, we have examined the role of Bach2 in regulating Treg homeostasis and effector functions. Unlike global and T cell-specific Bach2-deficient mice, Treg-specific Bach2 ablation did not result in unprovoked TH2 inflammation in the lungs. However, Bach2 deficiency in Tregs led to augmented expressions of IRF4, BATF, and GATA3 and a significant increase in the accumulation of ST2 (IL-33R)+ve effector Tregs in the spleen and visceral adipose tissue (VAT) but not in the lungs. Enhanced Bach2-deficient Treg numbers in VAT was not linked to hyperresponsiveness to exogenous IL-33 in vivo. Most strikingly, Treg-specific Bach2 deficiency resulted in enhanced fungal protease-induced Type 2 allergic inflammation in the lungs, with no detectable effects on Type 1 responses to systemic or respiratory viral infections. In summary, we ascribe vital roles for Bach2 in peripheral Tregs: as a transcriptional checkpoint to limit precocious differentiation into effector Tregs in lymphoid tissues and as a regulator of the functional program that restrains Type 2 but not Type 1 inflammation in lungs. Results presented in this manuscript implicate dysregulated Tregs in the pathogenesis of airway hypersensitivities, asthma, and other allergic disorders.
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Affiliation(s)
- Amanda Contreras
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - Darin L. Wiesner
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - Brock Kingstad-Bakke
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - Woojong Lee
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - John P. Svaren
- Department of Comparative Biosciences, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - Bruce S. Klein
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, 53706 WI, USA
| | - M. Suresh
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, 53706 WI, USA
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Guo Y, Mei Z, Li D, Banerjee A, Khalil MA, Burke A, Ritter J, Lau C, Kreisel D, Gelman AE, Jacobsen E, Luzina IG, Atamas SP, Krupnick AS. Ischemia reperfusion injury facilitates lung allograft acceptance through IL-33-mediated activation of donor-derived IL-5 producing group 2 innate lymphoid cells. Am J Transplant 2022; 22:1963-1975. [PMID: 35510760 PMCID: PMC9357103 DOI: 10.1111/ajt.17084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 04/11/2022] [Accepted: 04/30/2022] [Indexed: 01/25/2023]
Abstract
Pathways regulating lung alloimmune responses differ from most other solid organs and remain poorly explored. Based on our recent work identifying the unique role of eosinophils in downregulating lung alloimmunity, we sought to define pathways contributing to eosinophil migration and homeostasis. Using a murine lung transplant model, we have uncovered that immunosuppression increases eosinophil infiltration into the allograft in an IL-5-dependent manner. IL-5 production depends on immunosuppression-mediated preservation of donor-derived group 2 innate lymphoid cells (ILC2). We further describe that ischemia reperfusion injury upregulates the expression of IL-33, which functions as the dominant and nonredundant mediator of IL-5 production by graft-resident ILC2. Our work thus identifies unique cellular mechanisms that contribute to lung allograft acceptance. Notably, ischemia reperfusion injury, widely considered to be solely deleterious to allograft survival, can also downregulate alloimmune responses by initiating unique pathways that promote IL-33/IL-5/eosinophil-mediated tolerance.
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Affiliation(s)
- Yizhan Guo
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - Zhongcheng Mei
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - Dongge Li
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - Anirban Banerjee
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - May A. Khalil
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - Allen Burke
- Department of Pathology, University of Maryland, Baltimore Maryland
| | - Jon Ritter
- Department of Pathology & Immunology, Washington University in St. Louis, St. Louis Missouri
| | - Christine Lau
- Department of Surgery, University of Maryland, Baltimore Maryland
| | - Daniel Kreisel
- Department of Pathology & Immunology, Washington University in St. Louis, St. Louis Missouri
- Department of Surgery, Washington University in St. Louis, St. Louis Missouri
| | - Andrew E. Gelman
- Department of Pathology & Immunology, Washington University in St. Louis, St. Louis Missouri
- Department of Surgery, Washington University in St. Louis, St. Louis Missouri
| | - Elizabeth Jacobsen
- Division of Allergy, Asthma and Clinical Immunology, Mayo Clinic, Scottsdale, Arizona
| | - Irina G. Luzina
- Department of Medicine, University of Maryland, Baltimore Maryland
| | - Sergei P. Atamas
- Department of Surgery, University of Maryland, Baltimore Maryland
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24
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Dong Y, Ming B, Gao R, Mo Q, Wu X, Zheng F, Zhong J, Dong L. The IL-33/ST2 Axis Promotes Primary Sjögren's Syndrome by Enhancing Salivary Epithelial Cell Activation and Type 1 Immune Response. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:2652-2662. [PMID: 35649629 DOI: 10.4049/jimmunol.2101070] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 04/15/2022] [Indexed: 06/15/2023]
Abstract
The molecular mechanisms of primary Sjögren's syndrome (pSS) are poorly understood. In this study, we explored the role of the IL-33/ST2 axis in the development of pSS. In the mouse model of experimental Sjögren's syndrome, we found that the saliva flow rate at weeks 4 and 30 was preserved in IL-33-/- and ST2-/- mice, compared with that of wild-type mice. At week 30 of experimental Sjögren's syndrome induction, the histological score, anti-nuclear Ab levels, and numbers of Th1 and B cells in draining lymph nodes of the salivary gland were lower in the IL-33-/- and ST2-/- mice, whereas Th17 cells and regulatory T cells were not changed. Primary salivary gland epithelial cells expressed the IL-33 receptor ST2. After stimulation with rIL-33, salivary gland epithelial cells increased the transcriptional levels of CD86 and CCL2, accompanied by the activation of the NF-κB inflammatory pathway. There was a synergistic effect between rIL-33 and rIL-12 in augmenting the production of IFN-γ in CD4+ T cells. In the pSS patients, the expression of IL-33 was elevated in the labial salivary gland, with the number of IL-33+ cells positively correlated with the score of the EULAR (European Alliance of Associations for Rheumatology) Sjögren's syndrome disease activity index (ESSDAI). ST2 was highly expressed in the cytoplasm of ductal epithelial cells, with low levels of expression in lymphatic infiltration sites. Our data suggest that the IL-33/ST2 axis may promote the development of pSS by enhancing salivary epithelial cell activation and the type 1 immune response.
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Affiliation(s)
- Yuanji Dong
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bingxia Ming
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rongfen Gao
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Mo
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xuefen Wu
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fang Zheng
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; and
- Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, Hubei, China
| | - Jixin Zhong
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
| | - Lingli Dong
- Department of Rheumatology and Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China;
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Sunaga S, Tsunoda J, Teratani T, Mikami Y, Kanai T. Heterogeneity of ILC2s in the Intestine; Homeostasis and Pathology. Front Immunol 2022; 13:867351. [PMID: 35707544 PMCID: PMC9190760 DOI: 10.3389/fimmu.2022.867351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/05/2022] [Indexed: 12/12/2022] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) were identified in 2010 as a novel lymphocyte subset lacking antigen receptors, such as T-cell or B-cell receptors. ILC2s induce local immune responses characterized by producing type 2 cytokines and play essential roles for maintaining tissue homeostasis. ILC2s are distributed across various organs, including the intestine where immune cells are continuously exposed to external antigens. Followed by luminal antigen stimulation, intestinal epithelial cells produce alarmins, such as IL-25, IL-33, and thymic stromal lymphopoietin, and activate ILC2s to expand and produce cytokines. In the context of parasite infection, the tuft cell lining in the epithelium has been revealed as a dominant source of intestinal IL-25 and possesses the capability to regulate ILC2 homeostasis. Neuronal systems also regulate ILC2s through neuropeptides and neurotransmitters, and interact with ILC2s bidirectionally, a process termed “neuro-immune crosstalk”. Activated ILC2s produce type 2 cytokines, which contribute to epithelial barrier function, clearance of luminal antigens and tissue repair, while ILC2s are also involved in chronic inflammation and tissue fibrosis. Recent studies have shed light on the contribution of ILC2s to inflammatory bowel diseases, mainly comprising ulcerative colitis and Crohn’s disease, as defined by chronic immune activation and inflammation. Modern single-cell analysis techniques provide a tissue-specific picture of ILC2s and their roles in regulating homeostasis in each organ. Particularly, single-cell analysis helps our understanding of the uniqueness and commonness of ILC2s across tissues and opens the novel research area of ILC2 heterogeneity. ILC2s are classified into different phenotypes depending on tissue and phase of inflammation, mainly inflammatory and natural ILC2 cells. ILC2s can also switch phenotype to ILC1- or ILC3-like subsets. Hence, recent studies have revealed the heterogeneity and plasticity of ILC2, which indicate dynamicity of inflammation and the immune system. In this review, we describe the regulatory mechanisms, function, and pathological roles of ILC2s in the intestine.
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Affiliation(s)
- Shogo Sunaga
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Junya Tsunoda
- Department of Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Toshiaki Teratani
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
| | - Yohei Mikami
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
- *Correspondence: Yohei Mikami, ; Takanori Kanai,
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan
- AMED-CREST, Japan Agency for Medical Research and Development, Tokyo, Japan
- *Correspondence: Yohei Mikami, ; Takanori Kanai,
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26
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Borys SM, Bag AK, Brossay L, Adeegbe DO. The Yin and Yang of Targeting KLRG1 + Tregs and Effector Cells. Front Immunol 2022; 13:894508. [PMID: 35572605 PMCID: PMC9098823 DOI: 10.3389/fimmu.2022.894508] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/04/2022] [Indexed: 11/24/2022] Open
Abstract
The literature surrounding KLRG1 has primarily focused on NK and CD8+ T cells. However, there is evidence that the most suppressive Tregs express KLRG1. Until now, the role of KLRG1 on Tregs has been mostly overlooked and remains to be elucidated. Here we review the current literature on KLRG1 with an emphasis on the KLRG1+ Treg subset role during cancer development and autoimmunity. KLRG1 has been recently proposed as a new checkpoint inhibitor target, but these studies focused on the effects of KLRG1 blockade on effector cells. We propose that when designing anti-tumor therapies targeting KLRG1, the effects on both effector cells and Tregs will have to be considered.
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Affiliation(s)
- Samantha M Borys
- Department of Molecular Microbiology and Immunology, Division of Biology and Medicine, Brown University Alpert Medical School, Providence, RI, United States
| | - Arup K Bag
- Department of Immunology, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Laurent Brossay
- Department of Molecular Microbiology and Immunology, Division of Biology and Medicine, Brown University Alpert Medical School, Providence, RI, United States
| | - Dennis O Adeegbe
- Department of Immunology, H. Lee Moffitt Cancer Center, Tampa, FL, United States
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27
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Jiang Z, Zhu H, Wang P, Que W, Zhong L, Li X, Du F. Different subpopulations of regulatory T cells in human autoimmune disease, transplantation, and tumor immunity. MedComm (Beijing) 2022; 3:e137. [PMID: 35474948 PMCID: PMC9023873 DOI: 10.1002/mco2.137] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 12/11/2022] Open
Abstract
CD4+CD25+ regulatory T cells (Tregs), a subpopulation of naturally CD4+ T cells that characteristically express transcription factor Forkhead box P3 (FOXP3), play a pivotal role in the maintenance of immune homeostasis and the prevention of autoimmunity. With the development of biological technology, the understanding of plasticity and stability of Tregs has been further developed. Recent studies have suggested that human Tregs are functionally and phenotypically diverse. The functions and mechanisms of different phenotypes of Tregs in different disease settings, such as tumor microenvironment, autoimmune diseases, and transplantation, have gradually become hot spots of immunology research that arouse extensive attention. Among the complex functions, CD4+CD25+FOXP3+ Tregs possess a potent immunosuppressive capacity and can produce various cytokines, such as IL‐2, IL‐10, and TGF‐β, to regulate immune homeostasis. They can alleviate the progression of diseases by resisting inflammatory immune responses, whereas promoting the poor prognosis of diseases by helping cells evade immune surveillance or suppressing effector T cells activity. Therefore, methods for targeting Tregs to regulate their functions in the immune microenvironment, such as depleting them to strengthen tumor immunity or expanding them to treat immunological diseases, need to be developed. Here, we discuss that different subpopulations of Tregs are essential for the development of immunotherapeutic strategies involving Tregs in human diseases.
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Affiliation(s)
- Zhongyi Jiang
- Department of General Surgery Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai P. R. China
| | - Haitao Zhu
- Department of Hepatobiliary Surgery The Affiliated Hospital of Guizhou Medical University Guizhou P. R. China
| | - Pusen Wang
- Department of General Surgery Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai P. R. China
| | - Weitao Que
- Department of General Surgery Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai P. R. China
| | - Lin Zhong
- Department of General Surgery Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai P. R. China
| | - Xiao‐Kang Li
- Department of General Surgery Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai P. R. China
- Division of Transplantation Immunology National Research Institute for Child Health and Development Tokyo Japan
| | - Futian Du
- Department of Hepatobiliary Surgery Weifang People's Hospital Shandong P. R. China
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28
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Sarrand J, Soyfoo M. Involvement of IL-33 in the Pathophysiology of Systemic Lupus Erythematosus: Review. Int J Mol Sci 2022; 23:ijms23063138. [PMID: 35328556 PMCID: PMC8949418 DOI: 10.3390/ijms23063138] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 02/01/2023] Open
Abstract
IL-33 is a newly discovered cytokine displaying pleiotropic localizations and functions. More specifically, it also functions as an alarmin, following its release from cells undergoing cell death or necrosis, to alert the innate immune system. The role of IL-33 has been underlined in several inflammatory and autoimmune diseases including systemic lupus erythematosus (SLE). The expressions of IL-33 as well as its receptor, ST2, are significantly upregulated in SLE patients and in patients with lupus nephritis. This review discusses the involvement of IL-33 in the pathology of SLE.
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29
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Foxo3a tempers excessive glutaminolysis in activated T cells to prevent fatal gut inflammation in the murine IL-10 -/- model of colitis. Cell Death Differ 2022; 29:585-599. [PMID: 34588632 PMCID: PMC8901686 DOI: 10.1038/s41418-021-00876-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 02/08/2023] Open
Abstract
Mutations in susceptibility alleles correlate with gut-inflammatory diseases, such as Crohn's disease; however, this does not often impact the disease progression indicating the existence of compensatory genes. We show that a reduction in Foxo3a expression in IL-10-deficient mice results in a spontaneous and aggressive Crohn's- like disease with 100% penetrance, which is rescued by deletion of myeloid cells, T cells and inhibition of mTORC1. In Foxo3a-/- IL-10-/- mice, there is poor cell death of myeloid cells in the gut, leading to increased accumulation of myeloid and T cells in the gut. Myeloid cells express high levels of inflammatory cytokines, and regulatory T cells are dysfunctional despite increased abundance. Foxo3a signaling represses the transcription of glutaminase (GLS/GLS2) to prevent over-consumption of glutamine by activated T cells and its conversion to glutamate that contributes to the TCA cycle and mTORC1 activation. Finally, we show that Foxo3a restricts the abundance of colitogenic microbiota in IL-10-deficient mice. Thus, by suppressing glutaminolysis in activated T cells Foxo3a mediates a critical checkpoint that prevents the development of fulminant gut inflammatory disease.
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30
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Dragan M, Sun P, Chen Z, Ma X, Vu R, Shi Y, Villalta SA, Dai X. Epidermis-Intrinsic Transcription Factor Ovol1 Coordinately Regulates Barrier Maintenance and Neutrophil Accumulation in Psoriasis-Like Inflammation. J Invest Dermatol 2022; 142:583-593.e5. [PMID: 34461129 PMCID: PMC9968377 DOI: 10.1016/j.jid.2021.08.397] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/22/2021] [Accepted: 08/13/2021] [Indexed: 12/30/2022]
Abstract
Skin epidermis constitutes the exterior barrier that protects the body from dehydration and environmental assaults. Barrier defects underlie common inflammatory skin diseases, but the molecular mechanisms that maintain barrier integrity and regulate epidermal-immune cell cross-talk in inflamed skin are not fully understood. In this study, we show that skin epithelia-specific deletion of Ovol1, which encodes a skin disease‒linked transcriptional repressor, impairs the epidermal barrier and aggravates psoriasis-like skin inflammation in mice in part by enhancing neutrophil accumulation and abscess formation. Through molecular studies, we identify IL-33, a cytokine with known pro-inflammatory and anti-inflammatory activities, and Cxcl1, a neutrophil-attracting chemokine, as potential weak and strong direct targets of Ovol1, respectively. Furthermore, we provide functional evidence that elevated Il33 expression reduces disease severity in imiquimod-treated Ovol1-deficient mice, whereas persistent accumulation and epidermal migration of neutrophils exacerbate it. Collectively, our study uncovers the importance of an epidermally expressed transcription factor that regulates both the integrity of the epidermal barrier and the behavior of neutrophils in psoriasis-like inflammation.
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Affiliation(s)
- Morgan Dragan
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, California, USA; Institute for Immunology, University of California, Irvine, Irvine, California, USA
| | - Peng Sun
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Zeyu Chen
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA; Department of Dermatology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China; Institute of Psoriasis, School of Medicine, Tongji University, Shanghai, China
| | - Xianghui Ma
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Remy Vu
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, California, USA
| | - Yuling Shi
- Institute of Psoriasis, School of Medicine, Tongji University, Shanghai, China; Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China
| | - S Armando Villalta
- Institute for Immunology, University of California, Irvine, Irvine, California, USA; Department of Physiology & Biophysics, School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Xing Dai
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA; NSF-Simons Center for Multiscale Cell Fate Research, University of California, Irvine, Irvine, California, USA; Institute for Immunology, University of California, Irvine, Irvine, California, USA.
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31
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Huang Q, Niu T, Zou B, Wang J, Xin J, Niu H, Li N, Jiang Y, Bao J, Zhang D, Feng X, Sun T, Wang X, Yang K, Wang Y, Yang G, Zhao D, Wang C. Lactobacillus plantarum Surface-Displayed ASFV (p14.5) Can Stimulate Immune Responses in Mice. Vaccines (Basel) 2022; 10:vaccines10030355. [PMID: 35334986 PMCID: PMC8950097 DOI: 10.3390/vaccines10030355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/15/2022] [Accepted: 02/22/2022] [Indexed: 02/04/2023] Open
Abstract
African Swine Fever Virus (ASFV) has spread worldwide, and the lack of vaccines severely negatively impacts the pig industry. In this study, the p14.5 protein encoded by ASFV was used as the antigen, and the p14.5 gene was expressed in vitro using the Lactobacillus expression system. Three new functionally recombinant Lactobacillus plantarum (L. plantarum) were constructed and the expressions of the p14.5 protein, p14.5-IL-33-Mus fusion protein and CTA1-p14.5-D-D fusion protein were successfully detected using Western blot analysis. After oral immunization of SPF mice with recombinant L. plantarum, flow cytometry and ELISA were performed to detect the differentiation and maturity of T lymphocytes, B lymphocytes and DCs of the mice, which were higher than those of the control group. Specific antibodies were produced. The immunogenicity of the adjuvant group was stronger than that of the single antigen group, and the IL-33 adjuvant effect was stronger than that of the CTA1-DD adjuvant.
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Affiliation(s)
- Quntao Huang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Tianming Niu
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Boshi Zou
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Junhong Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Junhong Xin
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Hui Niu
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Nan Li
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Yuxin Jiang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Junfu Bao
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Di Zhang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Xize Feng
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Tingting Sun
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
| | - Xin Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
| | - Kaidian Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Ying Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
| | - Guilian Yang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- Correspondence: (G.Y.); (D.Z.); (C.W.); Tel./Fax: +86-43184533426 (C.W.)
| | - Dandan Zhao
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Correspondence: (G.Y.); (D.Z.); (C.W.); Tel./Fax: +86-43184533426 (C.W.)
| | - Chunfeng Wang
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130118, China; (Q.H.); (T.N.); (B.Z.); (J.W.); (J.X.); (H.N.); (N.L.); (Y.J.); (J.B.); (D.Z.); (X.F.); (T.S.); (X.W.); (K.Y.); (Y.W.)
- Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun 130118, China
- Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun 130118, China
- Correspondence: (G.Y.); (D.Z.); (C.W.); Tel./Fax: +86-43184533426 (C.W.)
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Venkatadri R, Sabapathy V, Dogan M, Sharma R. Targeting Regulatory T Cells for Therapy of Lupus Nephritis. Front Pharmacol 2022; 12:806612. [PMID: 35069220 PMCID: PMC8775001 DOI: 10.3389/fphar.2021.806612] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/13/2021] [Indexed: 12/14/2022] Open
Abstract
Lupus glomerulonephritis (LN) is a complex autoimmune disease characterized by circulating autoantibodies, immune-complex deposition, immune dysregulation and defects in regulatory T cell (Tregs). Treatment options rely on general immunosuppressants and steroids that have serious side effects. Approaches to target immune cells, such as B cells in particular, has had limited success and new approaches are being investigated. Defects in Tregs in the setting of autoimmunity is well known and Treg-replacement strategies are currently being explored. The aim of this minireview is to rekindle interest on Treg-targeting strategies. We discuss the existing evidences for Treg-enhancement strategies using key cytokines interleukin (IL)-2, IL-33 and IL-6 that have shown to provide remission in LN. We also discuss strategies for indirect Treg-modulation for protection from LN.
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Affiliation(s)
- Rajkumar Venkatadri
- Center for Immunity, Inflammation and Regenerative Medicine (CIIR), Division of Nephrology, Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Vikram Sabapathy
- Center for Immunity, Inflammation and Regenerative Medicine (CIIR), Division of Nephrology, Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Murat Dogan
- Center for Immunity, Inflammation and Regenerative Medicine (CIIR), Division of Nephrology, Department of Medicine, University of Virginia, Charlottesville, VA, United States
| | - Rahul Sharma
- Center for Immunity, Inflammation and Regenerative Medicine (CIIR), Division of Nephrology, Department of Medicine, University of Virginia, Charlottesville, VA, United States
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Abstract
Our understanding of the functions of the IL-1 superfamily cytokine and damage-associated molecular pattern IL-33 continues to evolve with our understanding of homeostasis and immunity. The early findings that IL-33 is a potent driver of type 2 immune responses promoting parasite expulsion, but also inflammatory diseases like allergy and asthma, have been further supported. Yet, as the importance of a type 2 response in tissue repair and homeostasis has emerged, so has the fundamental importance of IL-33 to these processes. In this review, we outline an evolving understanding of IL-33 immunobiology, paying particular attention to how IL-33 directs a network of ST2+ regulatory T cells, reparative and regulatory macrophages, and type 2 innate lymphoid cells that are fundamental to tissue development, homeostasis, and repair. Expected final online publication date for the Annual Review of Immunology, Volume 40 is April 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Gaelen K. Dwyer
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Louise M. D'Cruz
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Hēth R. Turnquist
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Mindt BC, Krisna SS, Duerr CU, Mancini M, Richer L, Vidal SM, Gerondakis S, Langlais D, Fritz JH. The NF-κB Transcription Factor c-Rel Modulates Group 2 Innate Lymphoid Cell Effector Functions and Drives Allergic Airway Inflammation. Front Immunol 2021; 12:664218. [PMID: 34867937 PMCID: PMC8635195 DOI: 10.3389/fimmu.2021.664218] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 08/27/2021] [Indexed: 01/03/2023] Open
Abstract
Group 2 innate lymphoid cells (ILC2s) play a key role in the initiation and orchestration of early type 2 immune responses. Upon tissue damage, ILC2s are activated by alarmins such as IL-33 and rapidly secrete large amounts of type 2 signature cytokines. ILC2 activation is governed by a network of transcriptional regulators including nuclear factor (NF)-κB family transcription factors. While it is known that activating IL-33 receptor signaling results in downstream NF-κB activation, the underlying molecular mechanisms remain elusive. Here, we found that the NF-κB subunit c-Rel is required to mount effective innate pulmonary type 2 immune responses. IL-33-mediated activation of ILC2s in vitro as well as in vivo was found to induce c-Rel mRNA and protein expression. In addition, we demonstrate that IL-33-mediated activation of ILC2s leads to nuclear translocation of c-Rel in pulmonary ILC2s. Although c-Rel was found to be a critical mediator of innate pulmonary type 2 immune responses, ILC2-intrinsic deficiency of c-Rel did not have an impact on the developmental capacity of ILC2s nor affected homeostatic numbers of lung-resident ILC2s at steady state. Moreover, we demonstrate that ILC2-intrinsic deficiency of c-Rel alters the capacity of ILC2s to upregulate the expression of ICOSL and OX40L, key stimulatory receptors, and the expression of type 2 signature cytokines IL-5, IL-9, IL-13, and granulocyte-macrophage colony-stimulating factor (GM-CSF). Collectively, our data using Rel−/− mice suggest that c-Rel promotes acute ILC2-driven allergic airway inflammation and suggest that c-Rel may contribute to the pathophysiology of ILC2-mediated allergic airway disease. It thereby represents a promising target for the treatment of allergic asthma, and evaluating the effect of established c-Rel inhibitors in this context would be of great clinical interest.
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Affiliation(s)
- Barbara C. Mindt
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
| | - Sai Sakktee Krisna
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Physiology, McGill University, Montréal, QC, Canada
| | - Claudia U. Duerr
- Charité – Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Microbiology, Infectious Diseases and Immunology, Berlin, Germany
| | - Mathieu Mancini
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Human Genetics, McGill University, Montréal, QC, Canada
| | - Lara Richer
- Department of Pathology, McGill University, Montréal, QC, Canada
| | - Silvia M. Vidal
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Human Genetics, McGill University, Montréal, QC, Canada
| | - Steven Gerondakis
- Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, Australia
| | - David Langlais
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Human Genetics, McGill University, Montréal, QC, Canada
- McGill University Genome Centre, Montreal, QC, Canada
| | - Jörg H. Fritz
- McGill University Research Centre on Complex Traits (MRCCT), Montréal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montréal, QC, Canada
- Department of Physiology, McGill University, Montréal, QC, Canada
- FOCiS Centre of Excellence in Translational Immunology (CETI), Montréal, QC, Canada
- *Correspondence: Jörg H. Fritz,
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Hemmers S, Schizas M, Rudensky AY. T reg cell-intrinsic requirements for ST2 signaling in health and neuroinflammation. J Exp Med 2021; 218:211487. [PMID: 33095261 PMCID: PMC7590508 DOI: 10.1084/jem.20201234] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/11/2020] [Accepted: 09/16/2020] [Indexed: 12/18/2022] Open
Abstract
ST2, the receptor for the alarmin IL-33, is expressed by a subset of regulatory T (T reg) cells residing in nonlymphoid tissues, and these cells can potently expand upon provision of exogenous IL-33. Whether the accumulation and residence of T reg cells in tissues requires their cell-intrinsic expression of and signaling by ST2, or whether indirect IL-33 signaling acting on other cells suffices, has been a matter of contention. Here, we report that ST2 expression on T reg cells is largely dispensable for their accumulation and residence in nonlymphoid organs, including the visceral adipose tissue (VAT), even though cell-intrinsic sensing of IL-33 promotes type 2 cytokine production by VAT-residing T reg cells. In addition, we uncovered a novel ST2-dependent role for T reg cells in limiting the size of IL-17A–producing γδT cells in the CNS in a mouse model of neuroinflammation, experimental autoimmune encephalomyelitis (EAE). Finally, ST2 deficiency limited to T reg cells led to disease exacerbation in EAE.
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Affiliation(s)
- Saskia Hemmers
- Howard Hughes Medical Institute and Immunology Program at Sloan Kettering Institute, New York, NY.,Ludwig Center for Cancer Immunotherapy, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Michail Schizas
- Howard Hughes Medical Institute and Immunology Program at Sloan Kettering Institute, New York, NY.,Ludwig Center for Cancer Immunotherapy, Memorial Sloan-Kettering Cancer Center, New York, NY
| | - Alexander Y Rudensky
- Howard Hughes Medical Institute and Immunology Program at Sloan Kettering Institute, New York, NY.,Ludwig Center for Cancer Immunotherapy, Memorial Sloan-Kettering Cancer Center, New York, NY
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Inhibition of NF- κB/IL-33/ST2 Axis Ameliorates Acute Bronchiolitis Induced by Respiratory Syncytial Virus. J Immunol Res 2021; 2021:6625551. [PMID: 34395633 PMCID: PMC8357524 DOI: 10.1155/2021/6625551] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 06/04/2021] [Accepted: 07/16/2021] [Indexed: 12/16/2022] Open
Abstract
Background/Aim Bronchiolitis is a common acute lower respiratory tract infectious disease in infants. Respiratory syncytial virus (RSV) infection is one of the main causes. Bronchiolitis can lead to a significant increase in the incidence of asthma in young children, but the mechanism of bronchiolitis transforming into asthma is still unclear. The study was aimed at investigating the role of NF-κB/IL-33/ST2 axis on RSV-induced acute bronchiolitis. Methods A total of 40 infants diagnosed with acute bronchiolitis infected by RSV, and 20 normal infants were included in this study. BALB/c mice (6-8 weeks old, 20 ± 1.1 g) were used as study models. Enzyme-linked immunosorbent assay (ELISA), quantitative real time PCR, western blot analysis, immunohistochemical staining, and flow cytometry analysis were performed to examine relevant indicators. Results IL-33 level was significantly elevated, and Th1/Th2 ratio is imbalance after in infants with acute bronchiolitis. In vivo study, we found that NF-κB/IL-33/ST2 axis is mediated the Th2 cytokine levels and BAL cell number induced by RSV. Acute bronchiolitis induced by RSV in a mouse model is attenuated after inhibition of NF-κB/IL-33/ST2 pathway. Moreover, we also confirmed that macrophages are important sources of IL-33 and are regulated by NF-κB pathway in RSV-induced mice. Conclusion We confirmed that inhibition of NF-κB/IL-33/ST2 axis could attenuate acute bronchiolitis by RSV infected. Our findings not only demonstrate the potential role of IL-33 antibody in attenuating RSV-induced lung damage but also provide a new insight into better prevention of RSV-induced asthma by mediating NF-κB/IL-33/ST2 axis.
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Saxena V, Lakhan R, Iyyathurai J, Bromberg JS. Mechanisms of exTreg induction. Eur J Immunol 2021; 51:1956-1967. [PMID: 33975379 PMCID: PMC8338747 DOI: 10.1002/eji.202049123] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/19/2021] [Accepted: 05/10/2021] [Indexed: 12/18/2022]
Abstract
CD4+ CD25+ Foxp3+ Tregs play an important role in the maintenance of the immune system by regulating immune responses and resolving inflammation. Tregs exert their function by suppressing other immune cells and mediating peripheral self-tolerance. Under homeostatic conditions, Tregs are stable T-cell populations. However, under inflammatory environments, Tregs are converted to CD4+ CD25low Foxp3low cells. These cells are termed "exTreg" or "exFoxp3" cells. The molecular mechanism of Treg transition to exTregs remains incompletely understood. Uncertainties might be explained by a lack of consensus of biological markers to define Treg subsets in general and exTregs in particular. In this review, we summarize known markers of Tregs and factors responsible for exTreg generation including cytokines, signaling pathways, transcription factors, and epigenetic mechanisms. We also identify studies demonstrating the presence of exTregs in various diseases and sources of exTregs. Understanding the biology of Treg transition to exTregs will help in designing Treg-based therapeutic approaches.
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Affiliation(s)
- Vikas Saxena
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Ram Lakhan
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Jegan Iyyathurai
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Jonathan S. Bromberg
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Center for Vascular and Inflammatory Diseases, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Ngo Thi Phuong N, Palmieri V, Adamczyk A, Klopfleisch R, Langhorst J, Hansen W, Westendorf AM, Pastille E. IL-33 Drives Expansion of Type 2 Innate Lymphoid Cells and Regulatory T Cells and Protects Mice From Severe, Acute Colitis. Front Immunol 2021; 12:669787. [PMID: 34335571 PMCID: PMC8320374 DOI: 10.3389/fimmu.2021.669787] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022] Open
Abstract
The hallmarks of inflammatory bowel disease are mucosal damage and ulceration, which are known to be high-risk conditions for the development of colorectal cancer. Recently, interleukin (IL)-33 and its receptor ST2 have emerged as critical modulators in inflammatory disorders. Even though several studies highlight the IL-33/ST2 pathway as a key factor in colitis, a detailed mode of action remains elusive. Therefore, we investigated the role of IL-33 during intestinal inflammation and its potential as a novel therapeutic target in colitis. Interestingly, the expression of IL-33, but not its receptor ST2, was significantly increased in biopsies from the inflamed colon of IBD patients compared to non-inflamed colonic tissue. Accordingly, in a mouse model of Dextran Sulfate Sodium (DSS) induced colitis, the secretion of IL-33 significantly accelerated in the colon. Induction of DSS colitis in ST2-/- mice displayed an aggravated colon pathology, which suggested a favorable role of the IL 33/ST2 pathway during colitis. Indeed, injecting rmIL-33 into mice suffering from acute DSS colitis, strongly abrogated epithelial damage, pro-inflammatory cytokine secretion, and loss of barrier integrity, while it induced a strong increase of Th2 associated cytokines (IL-13/IL-5) in the colon. This effect was accompanied by the accumulation of regulatory T cells (Tregs) and type 2 innate lymphoid cells (ILC2s) in the colon. Depletion of Foxp3+ Tregs during IL-33 treatment in DSS colitis ameliorated the positive effect on the intestinal pathology. Finally, IL-33 expanded ILC2s, which were adoptively transferred to DSS treated mice, significantly reduced colonic inflammation compared to DSS control mice. In summary, our results emphasize that the IL-33/ST2 pathway plays a crucial protective role in colitis by modulating ILC2 and Treg numbers.
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Affiliation(s)
- Nhi Ngo Thi Phuong
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Vittoria Palmieri
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Alexandra Adamczyk
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Robert Klopfleisch
- Institute of Veterinary Pathology, Freie Universitaet Berlin, Berlin, Germany
| | - Jost Langhorst
- Department of Internal and Integrative Medicine, Klinikum Bamberg, Chair for Integrative Medicine, University of Duisburg-Essen, Bamberg, Germany
| | - Wiebke Hansen
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Astrid M. Westendorf
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Eva Pastille
- Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
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The Janus Face of IL-33 Signaling in Tumor Development and Immune Escape. Cancers (Basel) 2021; 13:cancers13133281. [PMID: 34209038 PMCID: PMC8268428 DOI: 10.3390/cancers13133281] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/06/2021] [Accepted: 06/25/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Interleukin-33 (IL-33) is often released from damaged cells, acting as a danger signal. IL-33 exerts its function by interacting with its receptor suppression of tumorigenicity 2 (ST2) that is constitutively expressed on most immune cells. Therefore, IL-33/ST2 signaling can modulate immune responses to participate actively in a variety of pathological conditions, such as cancer. Like a two-faced Janus, which faces opposite directions, IL-33/ST2 signaling may play contradictory roles on its impact on cancer progression through both immune and nonimmune cellular components. Accumulating evidence demonstrates both pro- and anti-tumorigenic properties of IL-33, depending on the complex nature of different tumor immune microenvironments. We summarize and discuss the most recent studies on the contradictory effects of IL-33 on cancer progression and treatment, with a goal to better understanding the various ways for IL-33 as a therapeutic target. Abstract Interleukin-33 (IL-33), a member of the IL-1 cytokine family, plays a critical role in maintaining tissue homeostasis as well as pathological conditions, such as allergy, infectious disease, and cancer, by promoting type 1 and 2 immune responses. Through its specific receptor ST2, IL-33 exerts multifaceted functions through the activation of diverse intracellular signaling pathways. ST2 is expressed in different types of immune cells, including Th2 cells, Th1 cells, CD8+ T cells, regulatory T cells (Treg), cytotoxic NK cells, group 2 innate lymphoid cells (ILC2s), and myeloid cells. During cancer initiation and progression, the aberrant regulation of the IL-33/ST2 axis in the tumor microenvironment (TME) extrinsically and intrinsically mediates immune editing via modulation of both innate and adaptive immune cell components. The summarized results in this review suggest that IL-33 exerts dual-functioning, pro- as well as anti-tumorigenic effects depending on the tumor type, expression levels, cellular context, and cytokine milieu. A better understanding of the distinct roles of IL-33 in epithelial, stromal, and immune cell compartments will benefit the development of a targeting strategy for this IL-33/ST2 axis for cancer immunotherapy.
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Iwaszko M, Wielińska J, Świerkot J, Kolossa K, Sokolik R, Bugaj B, Chaszczewska-Markowska M, Jeka S, Bogunia-Kubik K. IL-33 Gene Polymorphisms as Potential Biomarkers of Disease Susceptibility and Response to TNF Inhibitors in Rheumatoid Arthritis, Ankylosing Spondylitis, and Psoriatic Arthritis Patients. Front Immunol 2021; 12:631603. [PMID: 34177886 PMCID: PMC8226138 DOI: 10.3389/fimmu.2021.631603] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 05/20/2021] [Indexed: 12/31/2022] Open
Abstract
Objective Rheumatoid arthritis (RA), ankylosing spondylitis (AS), and psoriatic arthritis (PsA) belong to inflammatory rheumatic diseases, the group of conditions of unknown etiology. However, a strong genetic component in their pathogenesis has been well established. A dysregulation of cytokine networks plays an important role in the development of inflammatory arthritis. Interleukin 33 (IL-33) is a recently identified member of the IL-1 family. To date, the significance of IL-33 in inflammatory arthritis has been poorly studied. This research aimed to investigate the potential of IL-33 gene polymorphisms to serve as biomarkers for disease susceptibility and TNF inhibitor response in RA, AS, and PsA patients. Materials and Methods In total, 735 patients diagnosed with RA, AS, and PsA and 229 healthy individuals were enrolled in the study. Genotyping for three single nucleotide polymorphisms (SNPs) within the IL-33 gene, namely, rs16924159 (A/G), rs10975519 (T/C), and rs7044343 (C/T), was performed using polymerase chain reaction amplification employing LightSNiP assays. Results In the present study, the IL-33 rs10975519 CC genotype was associated with a decreased risk of developing RA in females, while the IL-33 rs16924159 polymorphism was associated with the efficacy of anti-TNF therapy and clinical parameters for RA and AS patients. The IL-33 rs16924159 AA genotype correlated with higher disease activity and worse clinical outcomes in RA patients treated with TNF inhibitors, and AS patients carrying the IL-33 rs16924159 AA genotype had higher disease activity and a worse response to anti-TNF therapy. That indicates a deleterious role of the IL-33 rs16924159 AA genotype in the context of RA, as well as AS. Conclusions The obtained results suggest that IL-33 gene polymorphisms might be potential candidate biomarkers of disease susceptibility and anti-TNF treatment response in patients with inflammatory rheumatic diseases.
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Affiliation(s)
- Milena Iwaszko
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Joanna Wielińska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Jerzy Świerkot
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wrocław, Poland
| | - Katarzyna Kolossa
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Bydgoszcz, Poland
| | - Renata Sokolik
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wrocław, Poland
| | - Bartosz Bugaj
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wrocław, Poland
| | - Monika Chaszczewska-Markowska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
| | - Sławomir Jeka
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Bydgoszcz, Poland.,Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Toruń, Poland
| | - Katarzyna Bogunia-Kubik
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wrocław, Poland
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41
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Zhang Y, Guo J, Jia R. Treg: A Promising Immunotherapeutic Target in Oral Diseases. Front Immunol 2021; 12:667862. [PMID: 34177907 PMCID: PMC8222692 DOI: 10.3389/fimmu.2021.667862] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 05/24/2021] [Indexed: 12/24/2022] Open
Abstract
With the pandemic of COVID-19, maintenance of oral health has increasingly become the main challenge of global health. Various common oral diseases, such as periodontitis and oral cancer, are closely associated with immune disorders in the oral mucosa. Regulatory T cells (Treg) are essential for maintaining self-tolerance and immunosuppression. During the process of periodontitis and apical periodontitis, two typical chronic immune-inflammatory diseases, Treg contributes to maintain host immune homeostasis and minimize tissue damage. In contrast, in the development of oral precancerous lesions and oral cancer, Treg is expected to be depleted or down-regulated to enhance the anti-tumor immune response. Therefore, a deeper understanding of the distribution, function, and regulatory mechanisms of Treg cells may provide a prospect for the immunotherapy of oral diseases. In this review, we summarize the distribution and multiple roles of Treg in different oral diseases and discuss the possible mechanisms involved in Treg cell regulation, hope to provide a reference for future Treg-targeted immunotherapy in the treatment of oral diseases.
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Affiliation(s)
- Yujing Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jihua Guo
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China.,Department of Endodontics, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Rong Jia
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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42
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Corral-Jara KF, Rosas da Silva G, Fierro NA, Soumelis V. Modeling the Th17 and Tregs Paradigm: Implications for Cancer Immunotherapy. Front Cell Dev Biol 2021; 9:675099. [PMID: 34026764 PMCID: PMC8137995 DOI: 10.3389/fcell.2021.675099] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/12/2021] [Indexed: 12/11/2022] Open
Abstract
CD4 + T cell differentiation is governed by gene regulatory and metabolic networks, with both networks being highly interconnected and able to adapt to external stimuli. Th17 and Tregs differentiation networks play a critical role in cancer, and their balance is affected by the tumor microenvironment (TME). Factors from the TME mediate recruitment and expansion of Th17 cells, but these cells can act with pro or anti-tumor immunity. Tregs cells are also involved in tumor development and progression by inhibiting antitumor immunity and promoting immunoevasion. Due to the complexity of the underlying molecular pathways, the modeling of biological systems has emerged as a promising solution for better understanding both CD4 + T cell differentiation and cancer cell behavior. In this review, we present a context-dependent vision of CD4 + T cell transcriptomic and metabolic network adaptability. We then discuss CD4 + T cell knowledge-based models to extract the regulatory elements of Th17 and Tregs differentiation in multiple CD4 + T cell levels. We highlight the importance of complementing these models with data from omics technologies such as transcriptomics and metabolomics, in order to better delineate existing Th17 and Tregs bifurcation mechanisms. We were able to recompilate promising regulatory components and mechanisms of Th17 and Tregs differentiation under normal conditions, which we then connected with biological evidence in the context of the TME to better understand CD4 + T cell behavior in cancer. From the integration of mechanistic models with omics data, the transcriptomic and metabolomic reprograming of Th17 and Tregs cells can be predicted in new models with potential clinical applications, with special relevance to cancer immunotherapy.
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Affiliation(s)
- Karla F. Corral-Jara
- Computational Systems Biology Team, Institut de Biologie de l’Ecole Normale Supérieure, CNRS UMR 8197, INSERM U1024, Ecole Normale Supérieure, PSL Research University, Paris, France
| | | | - Nora A. Fierro
- Department of Immunology, Biomedical Research Institute, National Autonomous University of Mexico, Mexico City, Mexico
| | - Vassili Soumelis
- Université de Paris, INSERM U976, France and AP-HP, Hôpital Saint-Louis, Immunology-Histocompatibility Department, Paris, France
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43
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Clark JT, Christian DA, Gullicksrud JA, Perry JA, Park J, Jacquet M, Tarrant JC, Radaelli E, Silver J, Hunter CA. IL-33 promotes innate lymphoid cell-dependent IFN-γ production required for innate immunity to Toxoplasma gondii. eLife 2021; 10:e65614. [PMID: 33929319 PMCID: PMC8121546 DOI: 10.7554/elife.65614] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 04/29/2021] [Indexed: 12/29/2022] Open
Abstract
IL-33 is an alarmin required for resistance to the parasite Toxoplasma gondii, but its role in innate resistance to this organism is unclear. Infection with T. gondii promotes increased stromal cell expression of IL-33, and levels of parasite replication correlate with release of IL-33 in affected tissues. In response to infection, a subset of innate lymphoid cells (ILC) emerges composed of IL-33R+ NK cells and ILC1s. In Rag1-/-mice, where NK cells and ILC1 production of IFN-γ mediate innate resistance to T. gondii, the loss of the IL-33R resulted in reduced ILC responses and increased parasite replication. Furthermore, administration of IL-33 to Rag1-/- mice resulted in a marked decrease in parasite burden, increased production of IFN-γ, and the recruitment and expansion of inflammatory monocytes associated with parasite control. These protective effects of exogenous IL-33 were dependent on endogenous IL-12p40 and the ability of IL-33 to enhance ILC production of IFN-γ. These results highlight that IL-33 synergizes with IL-12 to promote ILC-mediated resistance to T. gondii.
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Affiliation(s)
- Joseph T Clark
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - David A Christian
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - Jodi A Gullicksrud
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - Joseph A Perry
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - Jeongho Park
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
- Kangwon National University College of Veterinary Medicine and Institute of Veterinary ScienceChuncheonRepublic of Korea
| | - Maxime Jacquet
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
- Liver Immunology, Department of Biomedicine, University Hospital of Basel and University of BaselBaselSwitzerland
| | - James C Tarrant
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - Enrico Radaelli
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
| | - Jonathan Silver
- Department of Respiratory Inflammation and Autoimmunity, AstraZenecaGaithersburgUnited States
| | - Christopher A Hunter
- Department of Pathobiology, University of Pennsylvania School of Veterinary MedicinePhiladelphiaUnited States
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44
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Mittelsteadt KL, Hayes ET, Campbell DJ. ICOS signaling limits regulatory T cell accumulation and function in visceral adipose tissue. J Exp Med 2021; 218:212010. [PMID: 33881452 PMCID: PMC8065270 DOI: 10.1084/jem.20201142] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/24/2020] [Accepted: 03/15/2021] [Indexed: 02/06/2023] Open
Abstract
A unique population of Foxp3+ regulatory T cells (TRs) resides in visceral adipose tissue (VAT) that regulates adipose inflammation and helps preserve insulin sensitivity. Inducible T cell co-stimulator (ICOS) is highly expressed on effector (e)TRs that migrate to nonlymphoid tissues, and contributes to their maintenance and function in models of autoimmunity. In this study, we report an unexpected cell-intrinsic role for ICOS expression and downstream phosphoinositide 3-kinase (PI3K) signaling in limiting the abundance, VAT-associated phenotype, and function of TRs specifically in VAT. Icos-/- mice and mice expressing a knock-in form of ICOS that cannot activate PI3K had increased VAT-TR abundance and elevated expression of canonical VAT-TR markers. Loss of ICOS signaling facilitated enhanced accumulation of TRs to VAT associated with elevated CCR3 expression, and resulted in reduced adipose inflammation and heightened insulin sensitivity in the context of a high-fat diet. Thus, we have uncovered a new and surprising molecular pathway that regulates VAT-TR accumulation and function.
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Affiliation(s)
- Kristen L Mittelsteadt
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA.,Molecular and Cellular Biology Program, University of Washington, Seattle, WA
| | - Erika T Hayes
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA.,Molecular and Cellular Biology Program, University of Washington, Seattle, WA
| | - Daniel J Campbell
- Center for Fundamental Immunology, Benaroya Research Institute, Seattle, WA.,Molecular and Cellular Biology Program, University of Washington, Seattle, WA.,Department of Immunology, University of Washington, Seattle, WA
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45
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Saikumar Jayalatha AK, Hesse L, Ketelaar ME, Koppelman GH, Nawijn MC. The central role of IL-33/IL-1RL1 pathway in asthma: From pathogenesis to intervention. Pharmacol Ther 2021; 225:107847. [PMID: 33819560 DOI: 10.1016/j.pharmthera.2021.107847] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 03/18/2021] [Indexed: 02/06/2023]
Abstract
Interleukin-33 (IL-33), a member of the IL-1 family, and its cognate receptor, Interleukin-1 receptor like-1 (IL-1RL1 or ST2), are susceptibility genes for childhood asthma. In response to cellular damage, IL-33 is released from barrier tissues as an 'alarmin' to activate the innate immune response. IL-33 drives type 2 responses by inducing signalling through its receptor IL-1RL1 in several immune and structural cells, thereby leading to type 2 cytokine and chemokine production. IL-1RL1 gene transcript encodes different isoforms generated through alternative splicing. Its soluble isoform, IL-1RL1-a or sST2, acts as a decoy receptor by sequestering IL-33, thereby inhibiting IL1RL1-b/IL-33 signalling. IL-33 and its receptor IL-1RL1 are therefore considered as putative biomarkers or targets for pharmacological intervention in asthma. This review will provide an overview of the genetics and biology of the IL-33/IL-1RL1 pathway in the context of asthma pathogenesis. It will discuss the potential and complexities of targeting the cytokine or its receptor, how genetics or biomarkers may inform precision medicine for asthma targeting this pathway, and the possible positioning of therapeutics targeting IL-33 or its receptor in the expanding landscape of novel biologicals applied in asthma management.
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Affiliation(s)
- A K Saikumar Jayalatha
- University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - L Hesse
- University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - M E Ketelaar
- University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Beatrix Children's Hospital, Department of Paediatric Pulmonology and Paediatric Allergology, Groningen, the Netherlands
| | - G H Koppelman
- University of Groningen University Medical Centre Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Beatrix Children's Hospital, Department of Paediatric Pulmonology and Paediatric Allergology, Groningen, the Netherlands
| | - M C Nawijn
- University of Groningen, University Medical Centre Groningen, Department of Pathology and Medical Biology, Laboratory of Experimental Pulmonology and Inflammation Research (EXPIRE), Groningen, the Netherlands; University of Groningen University Medical Centre Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands.
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46
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Kawai K, Uchiyama M, Hester J, Issa F. IL-33 drives the production of mouse regulatory T cells with enhanced in vivo suppressive activity in skin transplantation. Am J Transplant 2021; 21:978-992. [PMID: 33314772 PMCID: PMC7613121 DOI: 10.1111/ajt.16266] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/20/2020] [Accepted: 08/08/2020] [Indexed: 01/25/2023]
Abstract
Regulatory T cells (Tregs) are crucial mediators of immune homeostasis with the ability to modulate allogeneic response and control transplant rejection. Although Treg-based cell therapies have shown immense promise, methods to optimize current strategies are critical for successful implementation within the clinic. IL-33 is a cytokine with pleiotropic properties and effects on Treg function and development. In this study, we explored the unique properties of Treg populations activated through the IL-33/ST2 pathway, aiming to exploit their tolerogenic properties for cell therapy. We show that treatment with exogenous IL-33 results in a generalized downregulation of genes critical to T cell biology together with an upregulation of Treg-associated genes. Tregs that develop in response to IL-33 upregulate critical Treg-associated markers, yet without developing enhanced in vitro suppressive capacity. Conversely, these Tregs display potent regulatory activity in vivo, promoting long-term skin allograft survival in a stringent transplantation model. Detailed transcriptomic and immunophenotypic analyses of IL-33-expanded Tregs reveal an enhancement in graft-homing chemokine receptors, which may be partly responsible for their superior in vivo activity that is not reflected in vitro. IL-33 treatment is therefore an attractive adjunctive strategy for patients receiving Treg cell therapeutics.
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Affiliation(s)
- Kento Kawai
- Transplantation Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Masateru Uchiyama
- Transplantation Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK,Department of Surgery, Teikyo University, Tokyo, Japan
| | - Joanna Hester
- Transplantation Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Fadi Issa
- Transplantation Research Immunology Group, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
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47
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Dwyer GK, Turnquist HR. Untangling Local Pro-Inflammatory, Reparative, and Regulatory Damage-Associated Molecular-Patterns (DAMPs) Pathways to Improve Transplant Outcomes. Front Immunol 2021; 12:611910. [PMID: 33708206 PMCID: PMC7940545 DOI: 10.3389/fimmu.2021.611910] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 01/05/2021] [Indexed: 12/28/2022] Open
Abstract
Detrimental inflammatory responses after solid organ transplantation are initiated when immune cells sense pathogen-associated molecular patterns (PAMPs) and certain damage-associated molecular patterns (DAMPs) released or exposed during transplant-associated processes, such as ischemia/reperfusion injury (IRI), surgical trauma, and recipient conditioning. These inflammatory responses initiate and propagate anti-alloantigen (AlloAg) responses and targeting DAMPs and PAMPs, or the signaling cascades they activate, reduce alloimmunity, and contribute to improved outcomes after allogeneic solid organ transplantation in experimental studies. However, DAMPs have also been implicated in initiating essential anti-inflammatory and reparative functions of specific immune cells, particularly Treg and macrophages. Interestingly, DAMP signaling is also involved in local and systemic homeostasis. Herein, we describe the emerging literature defining how poor outcomes after transplantation may result, not from just an over-abundance of DAMP-driven inflammation, but instead an inadequate presence of a subset of DAMPs or related molecules needed to repair tissue successfully or re-establish tissue homeostasis. Adverse outcomes may also arise when these homeostatic or reparative signals become dysregulated or hijacked by alloreactive immune cells in transplant niches. A complete understanding of the critical pathways controlling tissue repair and homeostasis, and how alloimmune responses or transplant-related processes disrupt these will lead to new immunotherapeutics that can prevent or reverse the tissue pathology leading to lost grafts due to chronic rejection.
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Affiliation(s)
- Gaelen K Dwyer
- Departments of Surgery and Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Hēth R Turnquist
- Departments of Surgery and Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,Thomas E. Starzl Transplantation Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States.,McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, United States
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48
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Ramezani F, Babaie F, Aslani S, Hemmatzadeh M, Mohammadi FS, Gowhari-Shabgah A, Jadidi-Niaragh F, Ezzatifar F, Mohammadi H. The Role of the IL-33/ST2 Immune Pathway in Autoimmunity: New Insights and Perspectives. Immunol Invest 2021; 51:1060-1086. [PMID: 33522348 DOI: 10.1080/08820139.2021.1878212] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Interleukin (IL)-33, a member of IL-1 cytokine family, is produced by various immune cells and acts as an alarm to alert the immune system after epithelial or endothelial cell damage during cell necrosis, infection, stress, and trauma. The biological functions of IL-33 largely depend on its ligation to the corresponding receptor, suppression of tumorigenicity 2 (ST2). The pathogenic roles of this cytokine have been implicated in several disorders, including allergic disease, cardiovascular disease, autoimmune disease, infectious disease, and cancers. However, alerted levels of IL-33 may result in either disease amelioration or progression. Genetic variations of IL33 gene may confer protective or susceptibility risk in the onset of autoimmune diseases. The purpose of this review is to discuss the involvement of IL-33 and ST2 in the pathogenesis of a variety of autoimmune disorders, such as autoimmune rheumatic, neurodegenerative, and endocrine diseases.
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Affiliation(s)
- Faezeh Ramezani
- Student Research Committee, Alborz University of Medical Sciences, Karaj, Iran
| | - Farhad Babaie
- Department of Immunology and Genetic, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Saeed Aslani
- Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Hemmatzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Sadat Mohammadi
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Medical School, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Farhad Jadidi-Niaragh
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Ezzatifar
- Molecular and Cell Biology Research Center, Department of Immunology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Hamed Mohammadi
- Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
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49
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Miftode RS, Petriș AO, Onofrei Aursulesei V, Cianga C, Costache II, Mitu O, Miftode IL, Șerban IL. The Novel Perspectives Opened by ST2 in the Pandemic: A Review of Its Role in the Diagnosis and Prognosis of Patients with Heart Failure and COVID-19. Diagnostics (Basel) 2021; 11:diagnostics11020175. [PMID: 33530550 PMCID: PMC7911622 DOI: 10.3390/diagnostics11020175] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/01/2021] [Accepted: 01/22/2021] [Indexed: 02/07/2023] Open
Abstract
The increasing incidence of coronavirus disease 19 (COVID-19) and its polymorphic clinical manifestations due to local and systemic inflammation represent a high burden for many public health systems. Multiple evidence revealed the interdependence between the presence of cardiovascular comorbidities and a severe course of COVID-19, with heart failure (HF) being incriminated as an independent predictor of mortality. Suppression of tumorigenicity-2 ST2 has emerged as one of the most promising biomarkers in assessing the evolution and prognosis of patients with HF. The uniqueness of ST2 is determined by its structural particularities. Its transmembrane isoform exerts cardioprotective effects, while the soluble isoform (sST2), which is detectable in serum, is associated with myocardial fibrosis and poor outcome in patients with HF. Some recent data also suggested the potential role of sST2 as a marker of inflammation, while other studies highlighted it as a valuable prognostic factor in patients with COVID-19. In this review, we summarized the pathways by which sST2 is related to myocardial injury and its connection to the severity of inflammation in patients with COVID-19. Also, we reviewed possible perspectives of using it as a dual cardio-inflammatory biomarker, for both early diagnosis, risk stratification and prognosis assessment of patients with concomitant HF and COVID-19.
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Affiliation(s)
- Radu-Stefan Miftode
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania; (R.-S.M.); (A.O.P.); (I.-I.C.); (O.M.)
| | - Antoniu Octavian Petriș
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania; (R.-S.M.); (A.O.P.); (I.-I.C.); (O.M.)
| | - Viviana Onofrei Aursulesei
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania; (R.-S.M.); (A.O.P.); (I.-I.C.); (O.M.)
- Correspondence:
| | - Corina Cianga
- Department of Immunology, Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania;
| | - Irina-Iuliana Costache
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania; (R.-S.M.); (A.O.P.); (I.-I.C.); (O.M.)
| | - Ovidiu Mitu
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania; (R.-S.M.); (A.O.P.); (I.-I.C.); (O.M.)
| | - Ionela-Larisa Miftode
- Department of Infectious Diseases, Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania;
| | - Ionela-Lăcrămioara Șerban
- Department of Morpho-Functional Sciences (II), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, 700115 Iasi, Romania;
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50
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Kojima H, Kashiwakura Y, Kanno Y, Hashiguchi M, Kobata T. Fine-tuning of antigen-specific immune responses by regulatory T cells activated via antigen recognition-independent and humoral factor-dependent mechanisms. Scand J Immunol 2021; 93:e13020. [PMID: 33393095 DOI: 10.1111/sji.13020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/21/2020] [Accepted: 12/29/2020] [Indexed: 11/28/2022]
Abstract
CD4+ CD25+ Foxp3+ regulatory T cells (Tregs) are highly sensitive to IL-2, one of the many cytokines produced during immune responses, for their development, survival and functions. Although the effects of IL-2 administration on Tregs in vivo are well characterized, the effects on Tregs elicited by IL-2 produced during an immune response have not been elucidated. Hence, in this study, Treg behaviour during IL-2-producing immune responses was explored using in vivo and in vitro murine systems. The use of murine mixed lymphocyte culture (MLC) revealed that a large proportion of Tregs increased in size, accompanied by both cell death and proliferation status. Further, these large Tregs, which were found to not recognize specific antigens, were observed in MLCs as being functionally activated by various cytokines, including IL-2, produced by antigen-specific T cells. This 'bystander Treg activation' was also observed in mice with graft-versus-host reactions (GvHRs). Alternatively, effector cells from Treg-depleted MLCs exhibited lower antigen-specific responses or higher cross-reactivity as compared to control MLCs with Tregs. Taken together, these results suggest that Tregs are activated by cytokines, mainly IL-2, released from T cells that are activated by a specific antigen. Subsequently, these activated bystander Tregs contribute to the fine-tuning of highly antigen-specific immune responses.
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Affiliation(s)
- Hidefumi Kojima
- Department of Immunology, Dokkyo Medical University School of Medicine, Tochigi, Japan.,Division of Host Defense, Research Center for Advanced Medical Science, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Yuji Kashiwakura
- Department of Immunology, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Yumiko Kanno
- Department of Immunology, Dokkyo Medical University School of Medicine, Tochigi, Japan.,Division of Host Defense, Research Center for Advanced Medical Science, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Masaaki Hashiguchi
- Department of Immunology, Dokkyo Medical University School of Medicine, Tochigi, Japan.,Division of Host Defense, Research Center for Advanced Medical Science, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Tetsuji Kobata
- Department of Immunology, Dokkyo Medical University School of Medicine, Tochigi, Japan
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