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Khanfar E, Olasz K, Gál S, Gajdócsi E, Kajtár B, Kiss T, Balogh P, Berki T, Boldizsár F. Splenectomy at Early stage of Autoimmune Arthritis Delayed Inflammatory Response and Reduced Joint Deterioration in Mice. Clin Exp Immunol 2024:uxae013. [PMID: 38363980 DOI: 10.1093/cei/uxae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Indexed: 02/18/2024] Open
Abstract
The spleen plays a role in innate- and adaptive immunity, and autoimmune diseases like rheumatoid arthritis (RA). We investigated the effect of splenectomy in early and moderate stages of autoimmune arthritis in a mouse model. To induce recombinant human G1-induced arthritis (GIA), BALB/c mice were immunized intraperitoneally three times in 4 weeks interval with the rhG1 antigen. Mice were splenectomized on day 7 (SPE1) or day 35 (SPE2) after the initiation of immunization, and were tested for clinical severity, joint radiological- and histological changes, serum levels of inflammatory cytokines and autoantibodies, and rhG1-specific immune responses, and compared to those in control mice with spleen left intact. Circulating Tregs and T-helper subset ratios in the spleen and inguinal lymph nodes were also examined using flow cytometry. The onset of severe inflammatory response was significantly delayed in SPE1 and SPE2 groups compared to control mice at early stages of GIA, which was associated with increased circulating Tregs. After the third immunization, as disease progressed, the severity scores were robustly increased in all mice. Nevertheless, in splenectomized mice, we observed reduced joint deterioration and cartilage damage, more Th2 cells in lymph nodes, and reduced levels of pro-inflammatory cytokines and autoantibodies in their sera. Mesenteric lymph node cells of splenectomized mice exhibited weaker response in vitro against the rhG1 antigen compared to control mice spleen. In conclusion, splenectomy in early stages of GIA delayed the inflammatory response, suggesting a protective effect against the development and progression of severe destructive arthritis.
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Affiliation(s)
- Esam Khanfar
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Katalin Olasz
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Szonja Gál
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Erzsébet Gajdócsi
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Béla Kajtár
- Department of Pathology, Medical School, University of Pecs, Hungary
| | - Tamás Kiss
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pecs, Hungary
| | - Péter Balogh
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Timea Berki
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Ferenc Boldizsár
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
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Rai V, Patel N, Mammen SR, Chaudhary SM, Arshad S, Munazzam SW. Futuristic Novel Therapeutic Approaches in the Treatment of Rheumatoid Arthritis. Cureus 2023; 15:e49738. [PMID: 38161868 PMCID: PMC10757589 DOI: 10.7759/cureus.49738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/30/2023] [Indexed: 01/03/2024] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by systemic inflammation and joint destruction, leading to significant morbidity and reduced quality of life. Although significant progress has been made in the management of RA over the past few decades, many patients still fail to respond adequately to currently available therapies. This article aims to review the current landscape of RA treatment and explore potential novel therapeutic approaches that hold promise for the future. Advances in our understanding of the underlying pathogenesis of the disease have led to the identification of new targets and the development of innovative treatment strategies. This review focuses on emerging therapies including small molecule inhibitors, targeted biologics, cell-based therapies, and gene editing technologies that have shown potential in preclinical and early clinical trials. Additionally, we discuss the challenges and opportunities associated with the use of these new approaches in the treatment of RA. By elucidating the future of novel therapeutic approaches, this article provides insights that can guide clinicians and researchers in their efforts to improve outcomes for patients with RA.
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Affiliation(s)
- Vikramaditya Rai
- Orthopedics, Dr. Rajendra Prasad Government Medical College, Kangra, IND
| | - Nirmal Patel
- Internal Medicine, St. George's University School of Medicine, Saint George's, GRD
| | - Simi R Mammen
- Internal Medicine, Medical University of Sofia, Sofia, BGR
| | - Sachin M Chaudhary
- Internal Medicine, Gujarat Cancer Society (GCS) Medical College, Hospital and Research Centre, Ahmedabad, IND
| | - Sanan Arshad
- Internal Medicine, Hayatabad Medical Complex, Peshawar, PAK
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3
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Khanfar E, Olasz K, Gajdócsi E, Jia X, Berki T, Balogh P, Boldizsár F. Splenectomy modulates the immune response but does not prevent joint inflammation in a mouse model of RA. Clin Exp Immunol 2022; 209:201-214. [PMID: 35576510 PMCID: PMC9390846 DOI: 10.1093/cei/uxac052] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 05/04/2022] [Accepted: 05/24/2022] [Indexed: 11/14/2022] Open
Abstract
The spleen is the largest secondary lymphoid organ which is involved in the development of B cells and also in systemic (auto)immune responses. Using the recombinant human G1 domain-induced arthritis (GIA) model in splenectomized and control BALB/c mice, we investigated the role of the spleen in the induction and pathogenesis of autoimmune arthritis. Splenectomized mice developed GIA with a similar clinical picture to the control group. However, we observed significant alterations in the humoral and cellular immune responses in splenectomized mice. In the sera of the splenectomized mice, we found lower pro-inflammatory cytokine and anti-rhG1 IgM levels, but higher IL-4, anti-rhG1 IgG1 and anti-CCP and RF antibodies. The arthritis induction in the splenectomized group was associated with a significant expansion of activated helper T cells and an increase in the proportion of the circulating B1 and marginal zone B cell subsets. Importantly, immunization of the splenectomized mice with rhG1 induced the formation of germinal centers in the inguinal- and mesenteric lymph nodes (i/mLNs) which showed an active immune response to rhG1. Finally, both B and T cells from the mLNs of the splenectomized mice showed decreased intracellular Ca2+ signaling than those of the control group. Collectively, these findings indicate that the presence of the spleen is not critical for the induction of GIA, and in its absence the autoimmune arthritis is most likely promoted through the compensatory activity of the i/mLNs. However, our data implies the immunological role of the spleen in arthritis which could be further assessed in human RA.
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Affiliation(s)
- Esam Khanfar
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Katalin Olasz
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Erzsébet Gajdócsi
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Xinkai Jia
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
- Lymphoid Organogenesis Research Group, Szentagothai Research Center, University of Pécs, Hungary
| | - Timea Berki
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
| | - Péter Balogh
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
- Lymphoid Organogenesis Research Group, Szentagothai Research Center, University of Pécs, Hungary
| | - Ferenc Boldizsár
- Department of Immunology and Biotechnology, Medical School, University of Pecs, Hungary
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Furuyama K, Kondo Y, Shimizu M, Yokosawa M, Segawa S, Iizuka A, Tanimura R, Tsuboi H, Matsumoto I, Sumida T. RORγt+Foxp3+ regulatory T cells in the regulation of autoimmune arthritis. Clin Exp Immunol 2021; 207:176-187. [PMID: 35020849 PMCID: PMC8982961 DOI: 10.1093/cei/uxab007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 09/24/2021] [Accepted: 10/19/2021] [Indexed: 02/03/2023] Open
Abstract
RORγt+Foxp3+regulatory T (Treg) cells, known as T regulatory 17 cells (Tr17 cells), are a novel subset of Treg cells, which have the potential to regulate the development of experimental autoimmune encephalomyelitis (EAE) thorough a specific repression of T helper 17 (Th17) cell-mediated inflammation. However, the function of Tr17 cells the development of other autoimmune diseases such as autoimmune arthritis remains unclear. Collagen-induced arthritis (CIA) was found to be prolonged in Foxp3creRORγtfl/fl mice, in which Tr17 cells were deleted, compared with Foxp3wtRORγtfl/fl mice. Tr17 cells were significantly increased in ankle joints (AJ) compared with draining lymph nodes after the onset of arthritis. CC chemokine receptor 6 (CCR6) was up-regulated on Tr17 cells compared to RORγt negative Treg cells. CD25, cytotoxic T-lymphocyte antigen 4 (CTLA-4), glucocorticoid-induced TNF-receptor (GITR), and inducible T-cell co-stimulator (ICOS) expression was also up-regulated on Tr17 cells compared to RORγt negative Treg cells. IL-10-producing cells and Blimp-1+ and T-bet+ cells were increased in Tr17 cells compared to RORγt-negative Treg cells. Tr17-enriched Treg cells significantly suppressed proliferation of conventional T cells through IL-10 compared with CCR6-Treg cells. Tr17 cells increased during the clinical course of CIA and accumulated in inflamed joints. Taken together, it appears that Tr17 cells play a crucial role in the regulation of autoimmune arthritis.
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Affiliation(s)
- Kotona Furuyama
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Yuya Kondo
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Masaru Shimizu
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Masahiro Yokosawa
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Seiji Segawa
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Akira Iizuka
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Reona Tanimura
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Hiroto Tsuboi
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Isao Matsumoto
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan
| | - Takayuki Sumida
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Ibaraki, Japan,Correspondence: Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba City, Ibaraki 305-8575, Japan.
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Hong J, Qu Z, Ji X, Li C, Zhang G, Jin C, Wang J, Zhang Y, Shen Y, Meng J, Zhou C, Fang C, Wang W, Yan S. Genetic Associations Between IL-6 and the Development of Autoimmune Arthritis Are Gender-Specific. Front Immunol 2021; 12:707617. [PMID: 34539640 PMCID: PMC8447937 DOI: 10.3389/fimmu.2021.707617] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/11/2021] [Indexed: 12/20/2022] Open
Abstract
Objectives To find out the genetic association between IL6 and autoimmune arthritis. Methods We performed a two-sample Mendelian randomization (MR) study using multiple genome-wide association studies (GWAS) datasets. Furthermore, a sex-stratified MR study was performed to identify sexual dimorphism in the association between IL6 and autoimmune arthritis. Then, LocusZoom plots were displayed based on the IL6R gene region to present evidence of genetic colocalization between diseases. Results The MR result denoted a genetic association between the increased level of IL-6 signaling and risk of RA (β=0.325, 95%CI 0.088, 0.561, p=7.08E-03) and AS (β=1.240, 95%CI 0.495, 1.980, p=1.1E-03). Accordingly, sIL6R was found to have negatively correlation with the onset of RA (β=-0.020, 95%CI -0.0320, -0.008, p=1.18E-03) and AS (β=-0.125, 95%CI -0.177, -0.073, p=2.29E-06). However, no genetic association between IL6/sIL6R and PsA was detected. The gender-stratified MR analysis showed that IL6 was associated with AS in the male population, with RA in the female population, and with PsA in the male population. Additionally, ADAR, a gene identified by a sensitive test, could be the reason for the nonsignificant association between IL6 and PsA in a pooled population. Conclusion Our findings showed that the overactive IL6 signal pathway led to autoimmune arthritis, especially in RA and AS. Sexual difference was also observed in IL6-intermediate susceptibility to autoimmune arthritis.
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Affiliation(s)
- Jianqiao Hong
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Zihao Qu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Xiaoxiao Ji
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Congsun Li
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Geng Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Ciliang Jin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Department of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jie Wang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yongxing Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Yue Shen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jiahong Meng
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Chenhe Zhou
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Chaohua Fang
- Joint Surgery, Ningbo 6th Hospital, Ningbo, China
| | - Wei Wang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Shigui Yan
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Orthopedic Research Institute of Zhejiang University, Hangzhou, China.,Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University, Hangzhou, China
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Abstract
Osteoimmunology has emerged as a field linking immunology and bone biology, but it has yet to be recognized as belonging to mainstream immunology. However, the extent of the research fields immunology actually covers has been enormously widened, and it is now ready to include such an interdisciplinary subject. One of the most obvious examples of an interaction between the immune and bone systems is the pathogenesis of rheumatoid arthritis, where bone resorption is increased by the autoimmune response. Moreover, the regulation of the immune system by bone cells has been clearly demonstrated by the finding that osteoprogenitor cells contribute to hematopoietic stem cell maintenance as well as the suppression of hematopoietic malignancy. Thus, the bidirectional dialogue has been established and inevitably will lead to the union of bone and immunity. Here I summarize the history and concept of osteoimmunology, providing a perspective on the future of immunology.
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Affiliation(s)
- Hiroshi Takayanagi
- Department of Immunology, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan
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7
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Khanfar E, Olasz K, Gábris F, Gajdócsi E, Botz B, Kiss T, Kugyelka R, Berki T, Balogh P, Boldizsár F. Ameliorated Autoimmune Arthritis and Impaired B Cell Receptor-Mediated Ca 2+ Influx in Nkx2-3 Knock-out Mice. Int J Mol Sci 2020; 21:E6162. [PMID: 32859051 DOI: 10.3390/ijms21176162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023] Open
Abstract
B cells play a crucial role in the pathogenesis of rheumatoid arthritis. In Nkx2-3-deficient mice (Nkx2-3−/−) the spleen’s histological structure is fundamentally changed; therefore, B cell homeostasis is seriously disturbed. Based on this, we were curious, whether autoimmune arthritis could be induced in Nkx2-3−/− mice and how B cell activation and function were affected. We induced arthritis with immunization of recombinant human proteoglycan aggrecan G1 domain in Nkx2-3−/− and control BALB/c mice. We followed the clinical picture, characterized the radiological changes, the immune response, and intracellular Ca2+ signaling of B cells. Incidence of the autoimmune arthritis was lower, and the disease severity was milder in Nkx2-3−/− mice than in control BALB/c mice. The radiological changes were in line with the clinical picture. In Nkx2-3−/− mice, we measured decreased antigen-induced proliferation and cytokine production in spleen cell cultures; in the sera, we found less anti-CCP-IgG2a, IL-17 and IFNγ, but more IL-1β, IL-4 and IL-6. B cells isolated from the lymph nodes of Nkx2-3−/− mice showed decreased intracellular Ca2+ signaling compared to those isolated from BALB/c mice. Our findings show that the transcription factor Nkx2-3 might regulate the development of autoimmune arthritis most likely through modifying B cell activation.
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8
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Abstract
In rheumatoid arthritis (RA), various hematopoietic and non-hematopoietic cells present in the synovial tissue secrete numerous inflammatory mediators including pro-inflammatory cytokines critical for the induction of chronic joint inflammation and bone destruction. Fibroblast-like synoviocytes (FLSs) in the non-hematopoietic cell compartment are key inflammatory cells activated in inflamed joints and driving the disease; yet how synovial tissue inflammation is modulated by autoimmune T cells is not fully understood. In this review, mainly based on recent findings with a mouse model of spontaneous autoimmune arthritis, we discuss the mechanism of Th17-mediated synovial tissue inflammation; that is, what environmental stimuli and arthritogenic self-antigens trigger arthritis, how arthritogenic T cells initiate joint inflammation by stimulating FLSs, and how the cellular sources of GM-CSF from lymphoid and tissue stromal cells in the synovium contribute to the development of arthritis. We also highlight possible plasticity of Th17 cells toward pathogenic GM-CSF producers, and the functional instability of regulatory T cells under inflammatory conditions in RA joints.
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Affiliation(s)
- Yusuke Takeuchi
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keiji Hirota
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Laboratory of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Shimon Sakaguchi
- Laboratory of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Laboratory of Experimental Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
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9
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Kugyelka R, Prenek L, Olasz K, Kohl Z, Botz B, Glant TT, Berki T, Boldizsár F. ZAP-70 Regulates Autoimmune Arthritis via Alterations in T Cell Activation and Apoptosis. Cells 2019; 8:cells8050504. [PMID: 31137740 PMCID: PMC6562615 DOI: 10.3390/cells8050504] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/21/2019] [Accepted: 05/24/2019] [Indexed: 01/08/2023] Open
Abstract
T cells play an essential role in the pathogenesis of both human rheumatoid arthritis (RA) and its murine models. A key molecule in T cell activation is ZAP-70, therefore we aimed to investigate the effects of partial ZAP-70 deficiency on the pathogenesis of recombinant human G1(rhG1)-induced arthritis (GIA), a well-established mouse model of RA. Arthritis was induced in BALB/c and ZAP-70+/- heterozygous mice. Disease progression was monitored using a scoring system and in vivo imaging, antigen-specific proliferation, cytokine and autoantibody production was measured and T cell apoptotic pathways were analyzed. ZAP-70+/- mice developed a less severe arthritis, as shown by both clinical picture and in vitro parameters (decreased T cell proliferation, cytokine and autoantibody production). The amount of cleaved Caspase-3 increased in arthritic ZAP-70+/- T cells, with no significant changes in cleaved Caspase-8 and -9 levels; although expression of Bim, Bcl-2 and Cytochrome C showed alterations. Tyrosine phosphorylation was less pronounced in arthritic ZAP-70+/- T cells and the amount of Cbl-b-a negative regulator of T cell activation-decreased as well. We hypothesize that the less severe disease seen in the partial absence of ZAP-70 might be caused by the decreased T cell activation accompanied by increased apoptosis.
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Affiliation(s)
- Réka Kugyelka
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Lilla Prenek
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Katalin Olasz
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Zoltán Kohl
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Bálint Botz
- Department of Pharmacology and Pharmacotherapy, Medical School, University of Pécs, H-7624 Pécs, Hungary.
- Department of Radiology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Tibor T Glant
- Department of Molecular Medicine, Rush University Medical Center, Chicago, IL 60612, USA.
| | - Timea Berki
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
| | - Ferenc Boldizsár
- Department of Immunology and Biotechnology, Medical School, University of Pécs, H-7624 Pécs, Hungary.
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10
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Németh T, Futosi K, Szabó M, Aradi P, Saito T, Mócsai A, Jakus Z. Importance of Fc Receptor γ-Chain ITAM Tyrosines in Neutrophil Activation and in vivo Autoimmune Arthritis. Front Immunol 2019; 10:252. [PMID: 30858848 PMCID: PMC6397848 DOI: 10.3389/fimmu.2019.00252] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 01/29/2019] [Indexed: 01/02/2023] Open
Abstract
Activating Fcγ receptors associated with Fc receptor γ-chain (FcRγ) are critical for mediating neutrophil effector functions in immune complex-mediated autoimmune diseases. FcRγ contains ITAM tyrosines and the in vivo role of these tyrosines has not been defined in neutrophils and arthritis. In this study, the in vivo functions of FcRγ ITAM tyrosines were characterized using wild type and ITAM tyrosine mutant (Y65F/Y76F) transgenic mice crossed to an FcRγ-deficient genetic background. FcRγ-deficient neutrophils showed undetectable cell surface expression of the activating Fcγ receptor IV, defective immune complex-induced superoxide production, degranulation and spreading. Although the re-expression of both the wild type and the ITAM tyrosine mutant (Y65F/Y76F) FcRγ could restore activating Fcγ receptor expression of FcRγ-deficient neutrophils, only the wild type transgenic form could mediate Fcγ receptor-dependent effector functions. In contrast, neutrophils carrying ITAM tyrosine mutant FcRγ were unable to produce superoxide, mediate degranulation and perform active spreading. In addition, our results confirmed the protection of FcRγ-deficient mice from autoimmune arthritis. Importantly, the presence of the wild type FcRγ transgene, in contrast to the ITAM tyrosine mutant transgene, partially reversed autoimmune arthritis development. The reversing effect of the wild type transgene was even more robust when animals carried the wild type transgene in a homozygous form. Collectively, FcRγ ITAM tyrosines play a critical role in the induction of neutrophil effector responses, the initiation and progression of an autoantibody-induced experimental arthritis in vivo, indicating a signaling, rather than just a receptor stabilizing function of the molecule.
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Affiliation(s)
- Tamás Németh
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
| | - Krisztina Futosi
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
| | - Marcell Szabó
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
| | - Petra Aradi
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary.,MTA-SE "Lendület" Lymphatic Physiology Research Group of the Hungarian Academy of Sciences and the Semmelweis University, Budapest, Hungary
| | - Takashi Saito
- Laboratory for Cell Signaling, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Attila Mócsai
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
| | - Zoltán Jakus
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary.,MTA-SE "Lendület" Lymphatic Physiology Research Group of the Hungarian Academy of Sciences and the Semmelweis University, Budapest, Hungary
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11
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Jaroslava D. Cytology of synovial fluid. Cesk Patol 2019; 55:84-91. [PMID: 31181940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Examination of synovial fluid from swollen and painful joints can contribute substantially to the diagnosis of joint diseases. After a skillful arthrocentesis the sample processing must follow swiftly, because the synovial fluid can not be effectively fixed due to its viscosity. The viscosity test and cellularity assessment with particular reference to the neutrophilic granulocyte fraction, as well as the examination of the native preparation in polarized light, are some specific steps in the processing of these samples. Diagnostic images include traumaticinfectiousand autoimmune arthritides, arthropaties associated with crystals and, least often, with tumors. Conclusion: The cytological examination of synovial fluid has its own pre-analytical and analytical characteristics. Respecting and supplementing them with nonmorphological examinations can significantly contribute to the successful treatment of pathological joint conditions.
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Li M, Zhu D, Wang T, Xia X, Tian J, Wang S. Roles of Myeloid-Derived Suppressor Cell Subpopulations in Autoimmune Arthritis. Front Immunol 2018; 9:2849. [PMID: 30564242 PMCID: PMC6288996 DOI: 10.3389/fimmu.2018.02849] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 11/19/2018] [Indexed: 12/29/2022] Open
Abstract
Emerging evidence suggests the promise of the use of myeloid-derived suppressor cells (MDSCs) in inflammatory disorders based on their unique immune-intervention properties. However, the roles of MDSCs in autoimmune arthritis are not completely understood. Indeed, their immunosuppressive functions in arthritic conditions remain controversial, with heterogeneity among MDSCs and differential effects among subpopulations receiving much attention. As a result, it is necessary to determine the roles of MDSC subpopulations in autoimmune arthritis to clarify their diagnostic and therapeutic potential. Interestingly, in the inflammation niche of autoimmune arthritis, each MDSC subpopulation can exhibit both alternatives of a given characteristic. Moreover, polymorphonuclear MDSCs (PMN-MDSCs) are likely to be more suppressive and stable compared with monocytic MDSCs (MO-MDSCs). Although various important cytokines associated with the differentiation of MDSCs or MDSC subpopulations from immature myeloid precursors, such as granulocyte colony-stimulating factor (G-CSF), have been largely applied in external inductive systems, their roles are not entirely clear. Moreover, MDSC-based clinical treatments in rheumatoid arthritis (RA) continue to represent a significant challenge, as also reported for other autoimmune diseases. In this review, we describe the effects and actions of MDSC subpopulations on the development of autoimmune arthritis and analyze several types of MDSC-based therapeutic strategies to provide comprehensive information regarding immune networks and a foundation for more effective protocols for autoimmune arthritis.
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Affiliation(s)
- Min Li
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China.,Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Dongwei Zhu
- Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Tingting Wang
- Department of Laboratory Medicine, Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi Children's Hospital, Wuxi, China
| | - Xueli Xia
- Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Jie Tian
- Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Shengjun Wang
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China.,Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
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13
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Liu L, Yang J, Zu B, Wang J, Sheng K, Zhao L, Xu W. Acacetin regulated the reciprocal differentiation of Th17 cells and Treg cells and mitigated the symptoms of collagen-induced arthritis in mice. Scand J Immunol 2018; 88:e12712. [PMID: 30176062 DOI: 10.1111/sji.12712] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/13/2018] [Accepted: 08/22/2018] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND AIM The immune-regulative effect of acacetin on the development of autoimmune arthritis remains unexplored. This study aims to investigate the potential effect of acacetin on the treatment of collagen-induced arthritis (CIA) in mice and clarify its underlying mechanism. METHODS AND RESULTS In a type II collagen (CII)-induced autoimmune arthritis model, acacetin significantly repressed the incidence of CIA, prevented the pathological alteration, and reduced CII-specific IgG and IgG1 levels. Flow cytometry assay suggested that the recipients of acacetin showed the expansion of Treg cells and the decreasing Th17 cells in spleen and inguinal lymph nodes after the initiation of CIA. In vitro experiment suggested that in addition to altering the pro-inflammatory production in dendritic cells, engagement of acacetin relieved the generation of Th17 cells and maintained the ratio of Treg cells under Th17-polarized condition. The addition of acacetin inhibited the T cell proliferation, as well as the expression of the transcriptional coactivator TAZ, which regulated the balance of Treg/Th17 immunity, in a dose-dependent manner. CONCLUSION Our data demonstrated that acacetin mitigated the development of CIA and might be a potential agent for the treatment of autoimmune arthritis.
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Affiliation(s)
- Lin Liu
- Department of Rheumatoid Arthritis, Xuzhou Central Hospital, Xuzhou City, Jiangsu Province, China
| | - Junxia Yang
- Department of Rheumatoid Arthritis, Xuzhou Central Hospital, Xuzhou City, Jiangsu Province, China
| | - Beibei Zu
- Department of Rheumatoid Arthritis, Xuzhou Central Hospital, Xuzhou City, Jiangsu Province, China
| | - Jingya Wang
- Department of Rheumatoid Arthritis, Xuzhou Central Hospital, Xuzhou City, Jiangsu Province, China
| | - Kang Sheng
- Department of Rheumatoid Arthritis, Suzhou Hospital of Traditional Chinese Medicine, Suzhou City, Jiangsu Province, China
| | - Lin Zhao
- Department of Rheumatoid Arthritis, Suzhou Hospital of Traditional Chinese Medicine, Suzhou City, Jiangsu Province, China
| | - Weiwei Xu
- Department of Rheumatoid Arthritis, Suzhou Hospital of Traditional Chinese Medicine, Suzhou City, Jiangsu Province, China
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14
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Yang M, Klocke K, Hernandez CM, Xu B, Gjertsson I, Wing K, Holmdahl R. Regulatory T cells control epitope spreading in autoimmune arthritis independent of cytotoxic T-lymphocyte antigen-4. Immunology 2018; 155:446-457. [PMID: 29992549 DOI: 10.1111/imm.12983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 06/25/2018] [Accepted: 07/02/2018] [Indexed: 12/17/2022] Open
Abstract
CD4+ Foxp3+ regulatory T (Treg) cells can control both cellular and humoral immune responses; however, when and how Treg cells play a predominant role in regulating autoimmune disease remains elusive. To deplete Treg cells in vivo at given time-points, we used a mouse strain, susceptible to glucose-6-phosphate isomerase peptide-induced arthritis (GIA), in which the deletion of Treg cells can be controlled by diphtheria toxin treatment. By depleting Treg cells in the GIA mouse model, we found that a temporary lack of Treg cells at both priming and onset exaggerated disease development. Ablation of Treg cells led to the expansion of antigen-specific CD4+ T cells including granulocyte-macrophage colony-stimulating factor, interferon-γ and interleukin-17-producing T cells, and promoted both T-cell and B-cell epitope spreading, which perpetuated arthritis. Interestingly, specific depletion of cytotoxic T-lymphocyte antigen-4 (CTLA-4) on Treg cells only, was sufficient to protect mice from GIA, due to the expansion of CTLA-4- Treg cells expressing alternative suppressive molecules. Collectively, our findings suggest that Treg cells, independently of CTLA-4, act as the key driving force in controlling autoimmune arthritis development.
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Affiliation(s)
- Min Yang
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Katrin Klocke
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Clara Marquina Hernandez
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Bingze Xu
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Inger Gjertsson
- Department of Rheumatology and Inflammation Research, Institute for Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kajsa Wing
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Rikard Holmdahl
- Section for Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
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15
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Kwon OC, Lee EJ, Chang EJ, Youn J, Ghang B, Hong S, Lee CK, Yoo B, Kim YG. IL-17A +GM-CSF + Neutrophils Are the Major Infiltrating Cells in Interstitial Lung Disease in an Autoimmune Arthritis Model. Front Immunol 2018; 9:1544. [PMID: 30013577 PMCID: PMC6036238 DOI: 10.3389/fimmu.2018.01544] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/21/2018] [Indexed: 11/25/2022] Open
Abstract
Objective To gain a better understanding of the pathogenesis of autoimmune arthritis-associated interstitial lung disease (ILD), we sought to identify the characteristics of lung-infiltrating cells in SKG mice with ILD. Methods We injected curdlan in SKG mice at 8 weeks of age, and identified the presence of ILD by PET-MRI at 20 weeks post-injection and histological analysis at 22 weeks post-injection. Lung-infiltrating cells were examined by flow cytometry. Analysis of serum cytokines by the Luminex multiplex cytokine assay was performed at 14 and 22 weeks post-injection, and cytokine profiles before and after the development of ILD were compared. Opal multiplexed immunofluorescent staining of lung tissue was also performed. Results At 20 weeks post-injection, curdlan-treated SKG mice developed not only arthritis but also lung inflammation combined with fibrosis, which was identified by PET-MRI and histological analysis. The majority of inflammatory cells that accumulated in the lungs of curdlan-treated SKG mice were CD11b+Gr1+ neutrophils, which co-express IL-17A and GM-CSF, rather than TNF-α. Compared with 14 weeks post-injection, serum levels of GM-CSF, MCP1, IL-17A, IL-23, TSLP, and soluble IL-7Rα had increased at 22 weeks post-injection, whereas those of IFN-γ, IL-22, IL-6, and TNF-α remained unchanged. Furthermore, IL-23, CXCL5, IL-17A, and GM-CSF, but not TNF-α, were observed in immunofluorescent-stained lung tissue. Conclusion We found that IL-17A+GM-CSF+ neutrophils represented the major inflammatory cells in the lungs of curdlan-treated SKG mice. In addition, GM-CSF and IL-17A appear to play a more important role than TNF-α in ILD development.
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Affiliation(s)
- Oh Chan Kwon
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Eun-Ju Lee
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Eun-Ju Chang
- Department of Biomedical Science, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Jeehee Youn
- Department of Anatomy and Cell Biology, College of Medicine, Hanyang University, Seoul, South Korea
| | - Byeongzu Ghang
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Seokchan Hong
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Chang-Keun Lee
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Bin Yoo
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Yong-Gil Kim
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
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16
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Picchianti-Diamanti A, Rosado MM, D'Amelio R. Infectious Agents and Inflammation: The Role of Microbiota in Autoimmune Arthritis. Front Microbiol 2018; 8:2696. [PMID: 29387048 PMCID: PMC5776018 DOI: 10.3389/fmicb.2017.02696] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 12/26/2017] [Indexed: 12/17/2022] Open
Abstract
In higher vertebrates, mucosal sites at the border between the internal and external environments, directly interact with bacteria, viruses, and fungi. Through co-evolution, hosts developed mechanisms of tolerance or ignorance toward some infectious agents, because hosts established "gain of function" interactions with symbiotic bacteria. Indeed, some bacteria assist hosts in different functions, among which are digestion of complex carbohydrates, and absorption and supply of vitamins. There is no doubt that microbiota modulate innate and acquired immune responses starting at birth. However, variations in quality and quantity of bacterial species interfere with the equilibrium between inflammation and tolerance. In fact, correlations between gut bacteria composition and the severity of inflammation were first described for inflammatory bowel diseases and later extended to other pathologies. The genetic background, environmental factors (e.g., stress or smoking), and diet can induce strong changes in the resident bacteria which can expose the intestinal epithelium to a variety of different metabolites, many of which have unknown functions and consequences. In addition, alterations in gut permeability may allow pathogens entry, thereby triggering infection and/or chronic inflammation. In this context, a local event occurring at a mucosal site may be the triggering cause of an autoimmune reaction that eventually involves distant sites or organs. Recently, several studies attributed a pathogenic role to altered oral microbiota in rheumatoid arthritis (RA) and to gut dysbiosis in spondyloarthritis (SpA). There is also growing evidence that different drugs, such as antibiotics and immunosuppressants, can influence and be influenced by the diversity and composition of microbiota in RA and SpA patients. Hence, in complex disorders such RA and SpA, not only the genetic background, gender, and immunologic context of the individual are relevant, but also the history of infections and the structure of the microbial community at mucosal sites should be considered. Here the role of the microbiota and infections in the initiation and progression of chronic arthritis is discussed, as well as how these factors can influence a patient's response to synthetic and biologic immunosuppressive therapy.
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Affiliation(s)
- Andrea Picchianti-Diamanti
- Department of Clinical and Molecular Medicine, Sant'Andrea University Hospital, Sapienza University of Rome, Rome, Italy
| | | | - Raffaele D'Amelio
- Department of Clinical and Molecular Medicine, Sant'Andrea University Hospital, Sapienza University of Rome, Rome, Italy
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17
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Moon YM, Lee SY, Kwok SK, Lee SH, Kim D, Kim WK, Her YM, Son HJ, Kim EK, Ryu JG, Seo HB, Kwon JE, Hwang SY, Youn J, Seong RH, Jue DM, Park SH, Kim HY, Ahn SM, Cho ML. The Fos-Related Antigen 1-JUNB/Activator Protein 1 Transcription Complex, a Downstream Target of Signal Transducer and Activator of Transcription 3, Induces T Helper 17 Differentiation and Promotes Experimental Autoimmune Arthritis. Front Immunol 2017; 8:1793. [PMID: 29326694 PMCID: PMC5741610 DOI: 10.3389/fimmu.2017.01793] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 11/30/2017] [Indexed: 01/11/2023] Open
Abstract
Dysfunction of T helper 17 (Th17) cells leads to chronic inflammatory disorders. Signal transducer and activator of transcription 3 (STAT3) orchestrates the expression of proinflammatory cytokines and pathogenic cell differentiation from interleukin (IL)-17-producing Th17 cells. However, the pathways mediated by STAT3 signaling are not fully understood. Here, we observed that Fos-related antigen 1 (FRA1) and JUNB are directly involved in STAT3 binding to sites in the promoters of Fosl1 and Junb. Promoter binding increased expression of IL-17 and the development of Th17 cells. Overexpression of Fra1 and Junb in mice resulted in susceptibility to collagen-induced arthritis and an increase in Th17 cell numbers and inflammatory cytokine production. In patients with rheumatoid arthritis, FRA1 and JUNB were colocalized with STAT3 in the inflamed synovium. These observations suggest that FRA1 and JUNB are associated closely with STAT3 activation, and that this activation leads to Th17 cell differentiation in autoimmune diseases and inflammation.
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Affiliation(s)
- Young-Mee Moon
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Seon-Yeong Lee
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Seung-Ki Kwok
- Center for Rheumatic Disease, Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Seung Hoon Lee
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Deokhoon Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea.,Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Woo Kyung Kim
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, United States
| | - Yang-Mi Her
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Hea-Jin Son
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Eun-Kyung Kim
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Jun-Geol Ryu
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Hyeon-Beom Seo
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Jeong-Eun Kwon
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
| | - Sue-Yun Hwang
- Department of Chemical Engineering, Hankyong National University, Anseong, South Korea
| | - Jeehee Youn
- Department of Biomedical Sciences, College of Medicine, Hanyang University, Seoul, South Korea
| | - Rho H Seong
- Department of Biological Sciences, Institute of Molecular Biology and Genetics, Research Center for Functional Cellulomics, Seoul National University, Seoul, South Korea
| | - Dae-Myung Jue
- Department of Biochemistry, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Hwan Park
- Center for Rheumatic Disease, Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ho-Youn Kim
- Center for Rheumatic Disease, Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Sung-Min Ahn
- Department of Hemato-oncology, Bioinformatics, Cancer Research, Systems Biology, Gachon University, Seongnam, South Korea
| | - Mi-La Cho
- Laboratory of Immune Network, The Rheumatism Research Center, College of Medicine, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, South Korea
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Tang X, Tian J, Ma J, Wang J, Qi C, Rui K, Wang Y, Xu H, Lu L, Wang S. GITRL modulates the activities of p38 MAPK and STAT3 to promote Th17 cell differentiation in autoimmune arthritis. Oncotarget 2017; 7:8590-600. [PMID: 26657118 PMCID: PMC4890989 DOI: 10.18632/oncotarget.6535] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Accepted: 11/26/2015] [Indexed: 11/25/2022] Open
Abstract
The glucocorticoid-induced TNFR family-related protein (GITR) and its ligand play a critical role in the pathogenesis of autoimmune arthritis by enhancing the Th17 cell response, but their molecular mechanisms remain largely unclear. This study aims to define the role of p38 mitogen-activated protein kinases (MAPK) and signal transducer and activator of transcription 3 (STAT3) signaling in GITRL-induced Th17 cells in autoimmune arthritis. We found that the p38 phosphorylation was enhanced by GITRL in activated CD4+T cells, and the p38 inhibitor restrained the GITRL-induced Th17 cell expansion in a dose-dependent manner. Moreover, there was decreased STAT3 activity on Tyr705 and Ser727 with the p38 inhibitor in vitro. Notably, the p38 inhibitor could prevent GITRL-treated arthritis progression and markedly decrease the Th17 cell percentages. The phosphorylation of the Tyr705 site was significantly lower in the GITRL-treated CIA mice administrated with the p38 inhibitor. A significantly higher phosphorylation of p38 was detected in RA patients and had a positive relationship with the serum level of anti-cyclic citrullinated peptide (anti-CCP) antibody. Our findings have indicated that GITRL could promote Th17 cell differentiation by p38 MAPK and STAT3 signaling in autoimmune arthritis.
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Affiliation(s)
- Xinyi Tang
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China
| | - Jie Tian
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Jie Ma
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Jiemin Wang
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Chen Qi
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Ke Rui
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Yungang Wang
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Huaxi Xu
- Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
| | - Liwei Lu
- Department of Pathology, The University of Hong Kong, Hong Kong, China
| | - Shengjun Wang
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China.,Institute of Laboratory Medicine, Jiangsu Key Laboratory of Laboratory Medicine, Jiangsu University, Zhenjiang, China
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Crook KR, Jin M, Weeks MF, Rampersad RR, Baldi RM, Glekas AS, Shen Y, Esserman DA, Little P, Schwartz TA, Liu P. Myeloid-derived suppressor cells regulate T cell and B cell responses during autoimmune disease. J Leukoc Biol 2015; 97:573-82. [PMID: 25583578 DOI: 10.1189/jlb.4a0314-139r] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
MDSCs are a heterogeneous group of myeloid cells that suppress T cell activity in cancer and autoimmune disease. The effect of MDSCs on B cell function is not clear. Using the CIA model of autoimmune disease, we found an increase in M-MDSCs in the periphery of WT mice with CIA compared with naïve mice. These MDSCs were absent from the periphery of CCR2(-/-) mice that developed exacerbated disease. M-MDSCs, isolated from immunized mice, inhibited autologous CD4(+) T cell proliferation. The M-MDSC-mediated suppression of T cell proliferation was NO and IFN-γ dependent but IL-17 independent. Furthermore, we demonstrated for the first time that M-MDSCs from CIA mice also inhibited autologous B cell proliferation and antibody production. The suppression of B cells by M-MDSCs was dependent on the production of NO and PGE2 and required cell-cell contact. Administration of M-MDSCs rescued CCR2(-/-) mice from the exacerbated CIA phenotype and ameliorated disease in WT mice. Furthermore, adoptive transfer of M-MDSCs reduced autoantibody production by CCR2(-/-) and WT mice. In summary, M-MDSCs inhibit T cell and B cell function in CIA and may serve as a therapeutic approach in the treatment of autoimmune arthritis.
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Affiliation(s)
- Kristen R Crook
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Mengyao Jin
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Michael F Weeks
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Rishi R Rampersad
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Robert M Baldi
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Amy S Glekas
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Yajuan Shen
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Denise A Esserman
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Paul Little
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Todd A Schwartz
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
| | - Peng Liu
- *Thurston Arthritis Research Center and Departments of Biostatistics and Medicine, University of North Carolina at Chapel Hill, North Carolina, USA
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20
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Bárdos T, Czipri M, Vermes C, Zhang J, Mikecz K, Glant TT. Continuous nasal administration of antigen is critical to maintain tolerance in adoptively transferred autoimmune arthritis in SCID mice. Clin Exp Immunol 2002; 129:224-31. [PMID: 12165077 PMCID: PMC1906433 DOI: 10.1046/j.1365-2249.2002.01903.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Mucosal tolerance is a natural mechanism that prevents immunological reactions to antigens by altering the activity of immune cells of pathogenic clones without modulating the entire immune system. This 'natural immune suppression' can be exploited when antigen(s) of the target organ in an autoimmune disease is used for mucosal treatment. Being inspired by the experimental results in animal models, clinical trials using type II collagen for mucosal treatment have been conducted in rheumatoid arthritis. High-density proteoglycan (aggrecan) is another major macromolecular component in articular cartilage, and may be a candidate autoantigen for provoking immune reactions in patients with rheumatoid arthritis. Indeed, like type II collagen, systemic immunization of genetically susceptible mice with proteoglycan (PG) aggrecan induces progressive autoimmune polyarthritis. Here, we investigated whether intranasally applied PG can be effective in suppressing PG-induced arthritis (PGIA) in BALB/c mice. We found that nasal administration of 100 microg PG exerted a strong suppressive effect on both the incidence and severity of the disease, most probably by reducing responsiveness towards the immunizing PG antigen. When we transferred PGIA into genetically matched but immunodeficient SCID mice, we were able to establish a tolerized state, but only if the recipient SCID mice received lymphocytes from tolerized animals and intranasal treatment with PG was continued. Without nasally administered antigen, the transferred anergic cells recovered and arthritis rapidly developed in a severe form. Intranasal PG treatment of recipient SCID mice was ineffective when cells from non-tolerized arthritic donors were transferred, in which case the regular weekly 'tolerizing' dose of PG made the disease worse. Our results suggest that mucosal treatment in an already existing disease may result in paradoxical outcomes.
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Affiliation(s)
- T Bárdos
- Department of Orthopaedic Surgery and Biochemistry, Rush University at Rush-Presbyterian-St Luke's Medical Center, Chicago, Illinois 60612, USA
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