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Šteigerová M, Šíma M, Slanař O. Pathogenesis of Collagen-Induced Arthritis: Role of Immune Cells with Associated Cytokines and Antibodies, Comparison with Rheumatoid Arthritis. Folia Biol (Praha) 2023; 69:41-49. [PMID: 38063000 DOI: 10.14712/fb2023069020041] [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: 12/18/2023]
Abstract
Collagen-induced arthritis is the most com-mon in vivo model of rheumatoid arthritis used for investigation of new potential therapies in preclinical research. Rheumatoid arthritis is a systemic inflammatory and autoimmune disease affecting joints, accompanied by significant extra-articular symptoms. The pathogenesis of rheumatoid arthritis and collagen-induced arthritis involves a so far properly unexplored network of immune cells, cytokines, antibodies and other factors. These agents trigger the autoimmune response leading to polyarthritis with cell infiltration, bone and cartilage degeneration and synovial cell proliferation. Our review covers the knowledge about cytokines present in the rat collagen-induced arthritis model and the factors affecting them. In addition, we provide a comparison with rheumatoid arthritis and a description of their important effects on the development of both diseases. We discuss the crucial roles of various immune cells (subtypes of T and B lymphocytes, dendritic cells, monocytes, macrophages), fibroblast-like synoviocy-tes, and their related cytokines (TNF-α, IL-1β, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-17, IL-23, GM-CSF, TGF-β). Finally, we also focus on key antibodies (rheu-matoid factor, anti-citrullinated protein antibodies, anti-collagen II antibodies) and tissue-degrading enzymes (matrix metalloproteinases).
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Affiliation(s)
- Monika Šteigerová
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic.
| | - Martin Šíma
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
| | - Ondřej Slanař
- Institute of Pharmacology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic
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Cytokines and inflammatory mediators as promising markers of polymyositis/dermatomyositis. Curr Opin Rheumatol 2021; 32:534-541. [PMID: 32941247 DOI: 10.1097/bor.0000000000000744] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW Idiopathic inflammatory myopathies (IIMs), known also as myositis, represent challenging group of heterogeneous muscle disorders characterized by symmetric proximal muscle weakness and evidence of muscle inflammation. The purpose of this review is to provide important updates on cytokines and inflammatory mediators related to myositis. RECENT FINDINGS In the past 5 years, multiple studies brought a fresh insight into the pathogenesis of myositis by introducing new factors or further characterizing the role of the well established mediators in myositis. Among the mediators reviewed in this article, special attention was paid to interferons, C-X-C motif chemokine ligand 10, interleukin-18 and the IL23/Th17 axis. Some of the recent work has also focused on the nontraditional cytokines, such as adipokines, myokines, S100 proteins, High Mobility Group Box 1 or B-cell activating factor and on several anti-inflammatory mediators. Moreover, microRNAs and their potential to reflect the disease activity or to regulate the inflammatory processes in myositis have recently been subject of intensive investigation. Some of the above-mentioned mediators have been proposed as promising clinical biomarkers or therapeutic targets for myositis. SUMMARY Several recent studies contributed to a better understanding of the pathogenesis of myositis and highlighted the clinical significance of certain inflammatory mediators. Application of these new findings may help to develop innovative approaches for patients' phenotyping, disease activity monitoring and potentially novel therapies.
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MenSCs exert a supportive role in establishing a pregnancy-friendly microenvironment by inhibiting TH17 polarization. J Reprod Immunol 2020; 144:103252. [PMID: 33549903 DOI: 10.1016/j.jri.2020.103252] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 10/28/2020] [Accepted: 11/23/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVES Uncontrolled TH17 differentiation has been suggested to play a role in the pathogenesis of pregnancy loss. We recently showed that menstrual blood stromal/stem cells (MenSCs) alter functional features of natural killer cells. Here, we hypothesized that MenSCs could modulate differentiation of TH17 cells. METHOD MenSCs were collected from 18 apparently healthy women and characterized. Bone marrow mesenchymal stem cells (BMSCs) served as a control. TH17 polarization and proliferation of purified T CD4+ cells were assessed by flow cytometry in a well-defined co-culture system containing T CD4+ cells and MenSCs or BMSCs. Indoleamine 2,3-Dioxygenase (IDO) activity was evaluated in MenSC and BMSC culture supernatants by a colorimetric assay. The impact of MenSCs on expression of transcription factors, RORC, T-bet, Gata3, NRP-1 and Helios were studied by qPCR. RESULTS MenSCs significantly inhibited TH17 differentiation (p = 0.0383) and percentage of the cells co-expressing IL-17 and IFN-γ (p = 0.0023). PGE2 blockade significantly reduced percentage and proliferation of T CD4+IL-17+ (p = 0.003, p = 0.0018), T CD4+ IFN-γ+ (p = 0.002, p = 0.0022) and T CD4+IL-17+ IFN-γ+ (p = 0.004, p = 0.02) cells. MenSCs produced a considerable activity of IDO (p = 0.0002), induced a significant rise in the Treg frequency (p = 0.0091) and a sharp increase in TH17/Tregs ratio (p = 0.0022). MenSCs increased expression of NRP1 (p = 0.001), while downregulated expression of RORC in T cells (p = 0.001). CONCLUSION Our results suggest a supportive role for MenSCs in establishing a pregnancy-friendly microenvironment in the uterus and put forth the idea that inherent abnormalities of MenSCs may be a basis for dysregulated endometrial immune network leading to pregnancy loss.
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Moon J, Lee SH, Lee SY, Ryu J, Jhun J, Choi J, Kim GN, Roh S, Park SH, Cho ML. GRIM-19 Ameliorates Multiple Sclerosis in a Mouse Model of Experimental Autoimmune Encephalomyelitis with Reciprocal Regulation of IFNγ/Th1 and IL-17A/Th17 Cells. Immune Netw 2020; 20:e40. [PMID: 33163248 PMCID: PMC7609166 DOI: 10.4110/in.2020.20.e40] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/05/2020] [Accepted: 09/23/2020] [Indexed: 01/14/2023] Open
Abstract
The protein encoded by the Gene Associated with Retinoid-Interferon-Induced Mortality-19 (GRIM-19) is located in the mitochondrial inner membrane and is homologous to the NADH dehydrogenase 1-alpha subcomplex subunit 13 of the electron transport chain. Multiple sclerosis (MS) is a demyelinating disease that damages the brain and spinal cord. Although both the cause and mechanism of MS progression remain unclear, it is accepted that an immune disorder is involved. We explored whether GRIM-19 ameliorated MS by increasing the levels of inflammatory cytokines and immune cells; we used a mouse model of experimental autoimmune encephalomyelitis (EAE) to this end. Six-to-eight-week-old male C57BL/6, IFNγ-knockout (KO), and GRIM-19 transgenic mice were used; EAE was induced in all strains. A GRIM-19 overexpression vector (GRIM19 OVN) was electrophoretically injected intravenously. The levels of Th1 and Th17 cells were measured via flow cytometry, immunofluorescence, and immunohistochemical analysis. IL-17A and IFNγ expression levels were assessed via ELISA and quantitative PCR. IL-17A expression decreased and IFNγ expression increased in EAE mice that received injections of the GRIM19 OVN. GRIM-19 transgenic mice expressed more IFNγ than did wild-type mice; this inhibited EAE development. However, the effect of GRIM-19 overexpression on the EAE of IFNγ-KO mice did not differ from that of the empty vector. GRIM-19 expression was therapeutic for EAE mice, elevating the IFNγ level. GRIM-19 regulated the Th17/Treg cell balance.
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Affiliation(s)
- Jeonghyeon Moon
- Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.,Cellular Reprogramming and Embryo Biotechnology Laboratory, Dental Research Institute, BK21 PLUS Dental Life Science, Seoul National University School of Dentistry, Seoul 08826, Korea
| | - Seung Hoon Lee
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Seon-Yeong Lee
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Jaeyoon Ryu
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Jooyeon Jhun
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - JeongWon Choi
- Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Gyoung Nyun Kim
- College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Sangho Roh
- Cellular Reprogramming and Embryo Biotechnology Laboratory, Dental Research Institute, BK21 PLUS Dental Life Science, Seoul National University School of Dentistry, Seoul 08826, Korea
| | - Sung-Hwan Park
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Mi-La Cho
- Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.,Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea.,Department of Medical Lifescience, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
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5
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Li N, Fan X, Xu M, Zhou Y, Wang B. Flu Virus Attenuates Memory Clearance of Pneumococcus via IFN-γ-Dependent Th17 and Independent Antibody Mechanisms. iScience 2020; 23:101767. [PMID: 33251497 PMCID: PMC7683269 DOI: 10.1016/j.isci.2020.101767] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 06/16/2020] [Accepted: 10/30/2020] [Indexed: 12/25/2022] Open
Abstract
Bacterial coinfection is a major cause of influenza-associated mortality. Most people have experienced infections with bacterial pathogens commonly associated with influenza A virus (IAV) coinfection before IAV exposure; however, bacterial clearance through the immunological memory response (IMR) in coinfected patients is inefficient, suggesting that the IMR to bacteria is impaired during IAV infection. Adoptive transfer of CD4+ T cells from mice that had experienced bacterial infection into IAV-infected mice revealed that memory protection against bacteria was weakened in the latter. Additionally, memory Th17 cell responses were impaired due to an IFN-γ-dependent reduction in Th17 cell proliferation and delayed migration of CD4+ T cells into the lungs. A bacterium-specific antibody-mediated memory response was also substantially reduced in coinfected mice, independently of IFN-γ. These findings provide additional perspectives on the pathogenesis of coinfection and suggest additional strategies for the treatment of defective antibacterial immunity and the design of bacterial vaccines against coinfection. Memory protection against bacteria was impaired in coinfection Memory Th17 response to bacteria was reduced by IAV-induced IFN-γ The Th17 reduction was caused by impeded Th17 proliferation and migration Bacteria-specific antibody was reduced in coinfection independent of IFN-γ
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Affiliation(s)
- Ning Li
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Xin Fan
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Meiyi Xu
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing, 100101, China
| | - Ya Zhou
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing, 100101, China
| | - Beinan Wang
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China.,University of Chinese Academy of Sciences, Beijing, 100101, China
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THH Relieves CIA Inflammation by Reducing Inflammatory-related Cytokines. Cell Biochem Biophys 2020; 78:367-374. [PMID: 32363523 DOI: 10.1007/s12013-020-00911-8] [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: 10/17/2019] [Accepted: 04/07/2020] [Indexed: 12/31/2022]
Abstract
Tripterygium hypoglaucum hutch (THH) is a plant of the genus tripterygium, which is also known as colquhounia, Gelsemiun elegan, and so on. It is mainly distributed in Yunnan, Guizhou, and Sichuan regions and other places in China. To study the immune mechanism of THH on related inflammatory cytokines in collagen II-induced arthritis (CIA) mice, healthy male C57BL/6 mice were used to model CIA mice. Mice received THH 420 mg/kg/day or the same amount of normal saline (NS) by gavage for 20 days. The thickness of the ankle joint in mice was observed, and the arthritis index was calculated. Related inflammatory cytokines were detected by real-time quantitative polymerase chain reaction and enzyme-linked immunosorbent assay. The results showed that after treatment with THH, the CIA mice had less swelling and destruction of the joints as well as decreased foot size and arthritis index. The mRNA and protein levels of TNF-α, IFN-γ, and IL-17A were lower in the THH-treated group than in the NS group (P < 0.05). In summary, THH has great significance in the treatment of CIA mice, including reduced related inflammatory cytokines expression level in both joint tissue and serum. The mechanism of THH in the treatment of CIA may be through the inhibition of the NF-kB-STAT3-IL-17 pathway, which also requires further experimental investigation.
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Alahdal M, Duan L, Ouyang H, Wang D. The role of indoleamine 2,3 dioxygenase 1 in the osteoarthritis. Am J Transl Res 2020; 12:2322-2343. [PMID: 32655775 PMCID: PMC7344072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease and a leading cause of disability. It involves articular cartilage destruction and a whole joint inflammation. In spite of OA pathogenesis is still unclear, new studies on the OA pathophysiological aetiology and immunomodulation therapy continuously achieve significant advances with new concepts. Here, we focus on the indoleamine-2,3-dioxygenase1 (IDO1) activity in the osteoarthritis (OA), which is one of the noticeable enzymes in the synovial fluid of arthritis patients. It was recognized as an essential mediator of autoreactive B and T cell responses in rheumatoid arthritis (RA) and an interesting therapeutic target against RA. However, the role IDO1 plays in the OA pathogenesis hasn't been discussed. The new OA experimental analysis evidenced IDO1 overexpression in the synovial fluid of OA patients, and recent studies reported that IDO1 metabolites were found higher in the OA synovial fluid than RA and spondyloarthropathies (SpA) patients. Moreover, the positive relation of IDO1 metabolites with OA pain and joint stiffness has been confirmed. Thus, the IDO1 plays a pivotal role in the pathogenesis of OA. In this review, the role IDO1 plays in the OA pathogenesis has been deeply discussed. It could be a promising target in the immunotherapy of OA disease.
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Affiliation(s)
- Murad Alahdal
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of MedicineHangzhou, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
| | - Li Duan
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of MedicineHangzhou, P. R. China
| | - Daping Wang
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
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Tansakul M, Thim-Uam A, Saethang T, Makjaroen J, Wongprom B, Pisitkun T, Pisitkun P. Deficiency of STING Promotes Collagen-Specific Antibody Production and B Cell Survival in Collagen-Induced Arthritis. Front Immunol 2020; 11:1101. [PMID: 32582187 PMCID: PMC7283782 DOI: 10.3389/fimmu.2020.01101] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 05/06/2020] [Indexed: 12/15/2022] Open
Abstract
The levels of interferon-alpha are high in the serum and synovial fluid of rheumatoid arthritis (RA) patients. Activation of the stimulator of type I interferon genes (STING) mediates the productions of type I interferon and promotes chronic inflammation. STING plays a significant role in autoimmune lupus mice. However, the function of STING in collagen-induced arthritis (CIA) model has never been described. This study aimed to test the function of STING in CIA. The Sting-deficient mice developed arthritis comparable to WT mice. The levels of anti-collagen antibody from Sting-deficient mice were significantly higher than the WT mice. The B cells derived from Sting-deficient mice showed better survival than WT mice in response to the B cell receptor (BCR) stimulation. Activation of STING also induced B cell death, especially in activated B cells. This study demonstrated that the inhibition of STING promotes anti-collagen antibodies and B cell survival, which suggested that STING acts as a negative regulator of B cell function in the CIA model.
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Affiliation(s)
- Mookmanee Tansakul
- Section for Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Arthid Thim-Uam
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Thammakorn Saethang
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Jiradej Makjaroen
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Benjawan Wongprom
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Trairak Pisitkun
- Center of Excellence in Systems Biology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Prapaporn Pisitkun
- Section for Translational Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Division of Allergy, Immunology, and Rheumatology, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Fan Z, Yang B, Ross RP, Stanton C, Zhao J, Zhang H, Chen W. The prophylactic effects of different Lactobacilli on collagen-induced arthritis in rats. Food Funct 2020; 11:3681-3694. [PMID: 32301444 DOI: 10.1039/c9fo02556a] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Recent studies have shed light on the prophylactic effects of Lactobacilli on rheumatoid arthritis (RA). However, the modulatory mechanisms of Lactobacilli remain unclear. The current study evaluated different Lactobacillus species' ability to alleviate arthritis induced by collagen. Rats were intragastrically administered different lactobacilli cocktails two weeks before arthritis induction. The results revealed that the performance of Lactobacillus in relieving arthritis was different for some species. L. reuteri, L. casei, L. rhamnosus and L. fermentum attenuated RA through species-independent pathways that inhibited pro-inflammatory cytokines and anti-CII-antibodies; and through species-dependent immune regulation that was based on rebalancing the intestinal microbiota, and metabolites such as short-chain fatty acids. In particular, L. reuteri and L. casei weaken the Th1 immune response, while L. rhamnosus and L. fermentum impaired Th17 responses. Interestingly, L. plantarum did not alleviate arthritis although it did suppress Th1 and Th17 immune responses, while L. salivarius only delayed the onset of arthritis without influencing the immune response. In conclusion, Lactobacilli protect against collagen-induced-arthritis through both common and individual pathways.
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Affiliation(s)
- Zhexin Fan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.
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Rothe K, Quandt D, Köhler G, Jasinski-Bergner S, Seliger B, Pierer M, Wagner U. PIR-B expressing CD8+ T cells exhibit features of Tc1 and Tc17 in SKG mice. Rheumatology (Oxford) 2020; 58:2325-2329. [PMID: 31257448 DOI: 10.1093/rheumatology/kez256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 05/14/2019] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE In autoimmune arthritis, TCR signalling is attenuated by peripheral tolerance mechanisms. We have described previously a population of inhibitory receptor LIR-1 expressing autoreactive CD8+ T cells in rheumatoid arthritis. Here, we investigated the role of CD8+ T cells in murine autoimmune arthritis by analysing their expression of the mouse orthologue of LIR-1, PIR-B. METHODS Frequencies of PIR-B+CD8+ T cells were determined in the SKG arthritis model. The phenotype of those cells was determined ex vivo by FACS and functionality was investigated by means of cytokine production and cytolytic potential upon activation in vitro. RESULTS SKG mice, under non-SPF (specific pathogen-free) conditions with clinical symptoms of arthritis, were found to harbour significantly increased frequencies of PIR-B+CD8+ T cells. Those cells showed a pro-inflammatory phenotype with preferential production of IL-17 and IFN-γ. The frequency of those cells correlated inversely with the arthritis score, indicating that they might represent autoreactive, but functionally inhibited, CD8+ T cells. CONCLUSION PIR-B+CD8+ T cells from SKG mice show a cytotoxic and pro-inflammatory phenotype. Inhibition of CD8+ T cell autoreactivity by PIR-B/LIR-1 receptor signalling might be a counter-regulatory mechanism to curb autoreactivity and arthritis.
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Affiliation(s)
- Kathrin Rothe
- University of Leipzig, Department of Internal Medicine, Division of Rheumatology, Liebigstr, Leipzig, Germany
| | - Dagmar Quandt
- Institute of Anatomy and Cell Biology, Martin Luther University Halle-Wittenberg, Halle, Germany
| | | | - Simon Jasinski-Bergner
- Institute for Medical Immunology, Martin Luther University Halle- Wittenberg, Halle, Germany
| | - Barbara Seliger
- Institute for Medical Immunology, Martin Luther University Halle- Wittenberg, Halle, Germany
| | - Matthias Pierer
- University of Leipzig, Department of Internal Medicine, Division of Rheumatology, Liebigstr, Leipzig, Germany
| | - Ulf Wagner
- University of Leipzig, Department of Internal Medicine, Division of Rheumatology, Liebigstr, Leipzig, Germany
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Takeuchi Y, Hirota K, Sakaguchi S. Synovial Tissue Inflammation Mediated by Autoimmune T Cells. Front Immunol 2019; 10:1989. [PMID: 31497022 PMCID: PMC6712680 DOI: 10.3389/fimmu.2019.01989] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 08/06/2019] [Indexed: 01/08/2023] Open
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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Allen R, Chizari S, Ma JA, Raychaudhuri S, Lewis JS. Combinatorial, Microparticle-Based Delivery of Immune Modulators Reprograms the Dendritic Cell Phenotype and Promotes Remission of Collagen-Induced Arthritis in Mice. ACS APPLIED BIO MATERIALS 2019; 2:2388-2404. [DOI: 10.1021/acsabm.9b00092] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Riley Allen
- Department of Biomedical Engineering, University of California, Davis, Sacramento, California 95616, United States
| | - Shahab Chizari
- Department of Biomedical Engineering, University of California, Davis, Sacramento, California 95616, United States
| | - Jeffrey A. Ma
- Department of Biomedical Engineering, University of California, Davis, Sacramento, California 95616, United States
| | - Siba Raychaudhuri
- Department of Rheumatology, Allergy, and Clinical Immunology, School of Medicine, University of California, Davis, Sacramento, California 95817, United States
- VA Hospital, Northern California Health Care System, Sacramento, California 95817, United States
| | - Jamal S. Lewis
- Department of Biomedical Engineering, University of California, Davis, Sacramento, California 95616, United States
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Yu H, Zeng R, Lin Y, Li X, Tasneem S, Yang Z, Qiu YX, Li B, Wang YH, Cai X, Wang W. Kadsura heteroclita stem suppresses the onset and progression of adjuvant-induced arthritis in rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2019; 58:152876. [PMID: 30851579 DOI: 10.1016/j.phymed.2019.152876] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/09/2019] [Accepted: 02/23/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic autoimmune diseased state, characterized by hyperplasia of the synovial membrane, degradation of cartilage, and bone erosion of diarthrodial joints. Kadsura heteroclita (Roxb) Craib (Schizandraceae), a traditional Tujia ethnomedicine called Xue Tong in China, has been long used for the prevention and treatment of rheumatic and arthritic diseases, especially in the southern China. This study aimed to evaluate anti-arthritic effects of the ethanol extract of Kadsura heteroclita stems (KHS) on complete Freund's adjuvant (CFA)-induced arthritis (AIA) in rats, as well as to explore the underlying mechanisms of anti-arthritis. METHODS AIA was established in male Sprague-Dawley (SD) rats as described previously, and animals were daily treated by gavage with KHS ethanol extract (200, 400, or 800 mg/kg) or vehicle (0.3% CMCNa) throughout the 30-day experiment. The incidence and severity of arthritis were evaluated using clinical parameters. At the end of experiments, tissue swelling and bone destruction of the hind paws were assessed by computed tomography (CT) and histopathological analyses. Serum levels of tumor necrosis factor (TNF-α), interleukin-1β (IL-1β), IL-6, and IL-17A and IL-17F were measured by ELISA, and protein expression of matrix metalloproteinases-1 (MMP-1), MMP-3 and tissue inhibitor of MMP-1 (TIMP-1) were detected by Western blot. RESULTS Treatment with KHS dose-dependently inhibited paw swelling and reduced arthritis scores of AIA rats. CT images displayed that KHS remarkably protected AIA rats from tissue swelling and bone erosion of joints. Histopathological analyses revealed that KHS markedly reduced inflammatory cell infiltration, synovial proliferation, and the formation of pannus in the ankle joints of AIA rats. KHS was found to significantly suppress the production of TNF-α, IL-1 β, IL-6, IL-17A and IL-17F, inhibited the protein expression of MMP-1 and MMP-3, and elevated the protein expressions of TIMP-1. CONCLUSION KHS demonstrates potential anti-arthritic effects via inhibiting pivotal mediators of inflammation and cartilage destruction. This study strongly supports identification and isolation of active fractions of KHS which would be a potential candidate for further investigation as a new anti-arthritic botanical drug.
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Affiliation(s)
- Huanghe Yu
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China; Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Rong Zeng
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Ye Lin
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Xin Li
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Shumaila Tasneem
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Zhen Yang
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Yi-Xing Qiu
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Bin Li
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Yu-Hong Wang
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China
| | - Xiong Cai
- Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China.
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, and Innovative Materia Medica Research Institute, School of Pharmacy, Hunan University of Chinese Medicine, Changsha, Hunan 410208, PR China.
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14
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Van Nieuwenhove E, Lagou V, Van Eyck L, Dooley J, Bodenhofer U, Roca C, Vandebergh M, Goris A, Humblet-Baron S, Wouters C, Liston A. Machine learning identifies an immunological pattern associated with multiple juvenile idiopathic arthritis subtypes. Ann Rheum Dis 2019; 78:617-628. [PMID: 30862608 DOI: 10.1136/annrheumdis-2018-214354] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 01/21/2019] [Accepted: 02/12/2019] [Indexed: 01/28/2023]
Abstract
OBJECTIVES Juvenile idiopathic arthritis (JIA) is the most common class of childhood rheumatic diseases, with distinct disease subsets that may have diverging pathophysiological origins. Both adaptive and innate immune processes have been proposed as primary drivers, which may account for the observed clinical heterogeneity, but few high-depth studies have been performed. METHODS Here we profiled the adaptive immune system of 85 patients with JIA and 43 age-matched controls with indepth flow cytometry and machine learning approaches. RESULTS Immune profiling identified immunological changes in patients with JIA. This immune signature was shared across a broad spectrum of childhood inflammatory diseases. The immune signature was identified in clinically distinct subsets of JIA, but was accentuated in patients with systemic JIA and those patients with active disease. Despite the extensive overlap in the immunological spectrum exhibited by healthy children and patients with JIA, machine learning analysis of the data set proved capable of discriminating patients with JIA from healthy controls with ~90% accuracy. CONCLUSIONS These results pave the way for large-scale immune phenotyping longitudinal studies of JIA. The ability to discriminate between patients with JIA and healthy individuals provides proof of principle for the use of machine learning to identify immune signatures that are predictive to treatment response group.
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Affiliation(s)
- Erika Van Nieuwenhove
- UZ Leuven, Leuven, Belgium.,VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - Vasiliki Lagou
- VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium.,Department of Neurosciences, KU Leuven - University of Leuven, Leuven, Belgium
| | - Lien Van Eyck
- UZ Leuven, Leuven, Belgium.,VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - James Dooley
- VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - Ulrich Bodenhofer
- Institute of Bioinformatics, Linz, Austria.,LIT AI Lab, Linz Institute of Technology, Johannes Kepler University, Linz, Austria.,QUOMATIC.AI, Linz, Austria
| | - Carlos Roca
- VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - Marijne Vandebergh
- Department of Neurosciences, KU Leuven - University of Leuven, Leuven, Belgium
| | - An Goris
- Department of Neurosciences, KU Leuven - University of Leuven, Leuven, Belgium
| | - Stéphanie Humblet-Baron
- VIB Center for Brain and Disease Research, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - Carine Wouters
- UZ Leuven, Leuven, Belgium.,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium
| | - Adrian Liston
- VIB Center for Brain and Disease Research, Leuven, Belgium .,Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium.,The Babraham Institute, Cambridge, United Kingdom
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15
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Chemin K, Gerstner C, Malmström V. Effector Functions of CD4+ T Cells at the Site of Local Autoimmune Inflammation-Lessons From Rheumatoid Arthritis. Front Immunol 2019; 10:353. [PMID: 30915067 PMCID: PMC6422991 DOI: 10.3389/fimmu.2019.00353] [Citation(s) in RCA: 137] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/11/2019] [Indexed: 12/17/2022] Open
Abstract
Infiltration of memory CD4+ T cells in synovial joints of Rheumatoid Arthritis (RA) patients has been reported since decades. Moreover, several genome wide association studies (GWAS) pinpointing a key genetic association between the HLA-DR locus and RA have led to the generally agreed hypothesis that CD4+ T cells are directly implicated in the disease. Still, RA is a heterogeneous disease and much effort has been made to understand its different facets. T cell differentiation is driven by mechanisms including antigen stimulation, co-stimulatory signals and cytokine milieu, all of which are abundant in the rheumatic joint, implying that any T cells migrating into the joint may be further affected locally. In parallel to the characterization and classification of T-cell subsets, the contribution of different effector T cells to RA has been investigated in numerous studies though sometimes with contradictory results. In particular, the frequency of Th1 and Th17 cells has been assessed in the synovial joints with various results that could, at least partly, be explained by the stage of the disease. For regulatory T cells, it is largely accepted that they accumulate in RA synovial fluid and that the equilibrium between regulatory T cells and effector cells is a key factor in controlling inflammation processes involved in RA. Recent phenotypic studies describe the possible implication of a novel subset of peripheral T helper cells (Tph) important for T-B cell cross talk and plasma cell differentiation in the RA joint of ACPA+ (autoantibodies against citrullinated proteins) RA patients. Finally, cytotoxic CD4+ T cells, historically described as increased in the peripheral blood of RA patients have attracted new attention in the last years. In view of the recently identified peripheral T-cell subsets, we will integrate immunological data as well as information on genetic variants and therapeutic strategy outcomes into our current understanding of the width of effector T cells. We will also integrate tissue-resident memory T cell aspects, and discuss similarities and differences with inflammatory conditions in skin (psoriasis) and mucosal organs (Crohn's disease).
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Affiliation(s)
- Karine Chemin
- Division of Rheumatology, Department of Medicine, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
| | - Christina Gerstner
- Division of Rheumatology, Department of Medicine, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
| | - Vivianne Malmström
- Division of Rheumatology, Department of Medicine, Karolinska Institute, Karolinska University Hospital Solna, Stockholm, Sweden
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16
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Tanner MR, Pennington MW, Chauhan SS, Laragione T, Gulko PS, Beeton C. KCa1.1 and Kv1.3 channels regulate the interactions between fibroblast-like synoviocytes and T lymphocytes during rheumatoid arthritis. Arthritis Res Ther 2019; 21:6. [PMID: 30612588 PMCID: PMC6322314 DOI: 10.1186/s13075-018-1783-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 11/29/2018] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Fibroblast-like synoviocytes (FLS) and CCR7- effector memory T (TEM) cells are two of the major cell types implicated in the progression of rheumatoid arthritis (RA). In particular, FLS become highly invasive, whereas TEM cells proliferate and secrete proinflammatory cytokines, during RA. FLS and T cells may also interact and influence each other's phenotypes. Inhibition of the pathogenic phenotypes of both FLS and TEM cells can be accomplished by selectively blocking the predominant potassium channels that they upregulate during RA: KCa1.1 (BK, Slo1, MaxiK, KCNMA1) upregulated by FLS and Kv1.3 (KCNA3) upregulated by activated TEM cells. In this study, we investigated the roles of KCa1.1 and Kv1.3 in regulating the interactions between FLS and TEM cells and determined if combination therapies of KCa1.1- and Kv1.3-selective blockers are more efficacious than monotherapies in ameliorating disease in rat models of RA. METHODS We used in vitro functional assays to assess the effects of selective KCa1.1 and Kv1.3 channel inhibitors on the interactions of FLS isolated from rats with collagen-induced arthritis (CIA) with syngeneic TEM cells. We also used flow cytometric analyses to determine the effects of KCa1.1 blockers on the expression of proteins used for antigen presentation on CIA-FLS. Finally, we used the CIA and pristane-induced arthritis models to determine the efficacy of combinatorial therapies of KCa1.1 and Kv1.3 blockers in reducing disease severity compared with monotherapies. RESULTS We show that the interactions of FLS from rats with CIA and of rat TEM cells are regulated by KCa1.1 and Kv1.3. Inhibiting KCa1.1 on FLS reduces the ability of FLS to stimulate TEM cell proliferation and migration, and inhibiting Kv1.3 on TEM cells reduces TEM cells' ability to enhance FLS expression of KCa1.1 and major histocompatibility complex class II protein, as well as stimulates their invasion. Furthermore, we show that combination therapies of selective KCa1.1 and Kv1.3 blockers are more efficacious than monotherapies at reducing signs of disease in two rat models of RA. CONCLUSIONS Our results demonstrate the importance of KCa1.1 and Kv1.3 in regulating FLS and TEM cells during RA, as well as the value of combined therapies targeting both of these cell types to treat RA.
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Affiliation(s)
- Mark R. Tanner
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030 USA
- Interdepartmental Graduate Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, TX USA
| | - Michael W. Pennington
- Peptides International, Inc., Louisville, KY USA
- Present address: Ambiopharm, Inc., North Augusta, SC USA
| | | | - Teresina Laragione
- Division of Rheumatology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Pércio S. Gulko
- Division of Rheumatology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY USA
| | - Christine Beeton
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030 USA
- Biology of Inflammation Center, Center for Drug Discovery, Cardiovascular Research Institute, and Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, Houston, TX USA
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17
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Kwon JE, Lee SY, Seo HB, Moon YM, Ryu JG, Jung KA, Jhun JY, Park JS, Hwang SS, Kim JM, Lee GR, Park SH, Cho ML. YinYang1 deficiency ameliorates joint inflammation in a murine model of rheumatoid arthritis by modulating Th17 cell activation. Immunol Lett 2018; 197:63-69. [DOI: 10.1016/j.imlet.2018.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 03/04/2018] [Accepted: 03/10/2018] [Indexed: 12/11/2022]
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18
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Giriş M, Durmuş H, Yetimler B, Taşli H, Parman Y, Tüzün E. Elevated IL-4 and IFN-γ Levels in Muscle Tissue of Patients with Dermatomyositis. ACTA ACUST UNITED AC 2018; 31:657-660. [PMID: 28652434 DOI: 10.21873/invivo.11108] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 05/02/2017] [Accepted: 05/09/2017] [Indexed: 12/30/2022]
Abstract
BACKGROUND/AIM To investigate the contribution of muscle tissue-derived cytokines in dermatomyositis (DM). MATERIALS AND METHODS Muscle homogenates were prepared from deltoid muscle biopsy specimens of 10 patients with DM and eight controls with no pathological signs of myopathy. Interleukin (IL)-4, interferon (IFN)-γ and IL-17 levels were evaluated by enzyme-linked immunosorbent assay (ELISA) and immunoblotting analysis. Muscle strength grades were recorded. RESULTS Patients with DM showed significantly elevated muscle tissue IL-4 and IFN-γ levels, whereas IL-17 levels were comparable between patients with DM and controls. Immunoblotting studies confirmed ELISA results. In DM muscle specimens, IL-4 and IFN-γ levels were positively correlated, while no correlation was observed between IL-17 and the other two cytokines. Moreover, IL-4 and IFN-γ levels were significantly negative correlated with muscle strength grades for the deltoid muscle. CONCLUSION Our results confirm the involvement of T helper (Th) 1-type and Th2-type immunity in DM pathogenesis. Muscle tissue appears to contribute to muscle weakness in DM by producing inflammatory cytokines.
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Affiliation(s)
- Murat Giriş
- Department of Neuroscience, Aziz Sancar Institute for Experimental Medical Research, Istanbul University, Istanbul, Turkey
| | - Hacer Durmuş
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Berrak Yetimler
- Department of Neuroscience, Aziz Sancar Institute for Experimental Medical Research, Istanbul University, Istanbul, Turkey
| | - Hatice Taşli
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Yeşim Parman
- Department of Neurology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Erdem Tüzün
- Department of Neuroscience, Aziz Sancar Institute for Experimental Medical Research, Istanbul University, Istanbul, Turkey
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19
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Poosti F, Bansal R, Yazdani S, Prakash J, Beljaars L, van den Born J, de Borst MH, van Goor H, Hillebrands JL, Poelstra K. Interferon gamma peptidomimetic targeted to interstitial myofibroblasts attenuates renal fibrosis after unilateral ureteral obstruction in mice. Oncotarget 2018; 7:54240-54252. [PMID: 27509062 PMCID: PMC5342338 DOI: 10.18632/oncotarget.11095] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2016] [Accepted: 06/20/2016] [Indexed: 01/06/2023] Open
Abstract
Renal fibrosis cannot be adequately treated since anti-fibrotic treatment is lacking. Interferon-γ is a pro-inflammatory cytokine with anti-fibrotic properties. Clinical use of interferon-γ is hampered due to inflammation-mediated systemic side effects. We used an interferon-γ peptidomimetic (mimγ) lacking the extracellular IFNγReceptor recognition domain, and coupled it to the PDGFβR-recognizing peptide BiPPB. Here we tested the efficacy of mimγ-BiPPB (referred to as “Fibroferon”) targeted to PDGFβR-overexpressing interstitial myofibroblasts to attenuate renal fibrosis without inducing inflammation-mediated side effects in the mouse unilateral ureter obstruction model. Unilateral ureter obstruction induced renal fibrosis characterized by significantly increased α-SMA, TGFβ1, fibronectin, and collagens I and III protein and/or mRNA expression. Fibroferon treatment significantly reduced expression of these fibrotic markers. Compared to full-length IFNγ, anti-fibrotic effects of Fibroferon were more pronounced. Unilateral ureter obstruction-induced lymphangiogenesis was significantly reduced by Fibroferon but not full-length IFNγ. In contrast to full-length IFNγ, Fibroferon did not induce IFNγ-related side-effects as evidenced by preserved low-level brain MHC II expression (similar to vehicle), lowered plasma triglyceride levels, and improved weight gain after unilateral ureter obstruction. In conclusion, compared to full-length IFNγ, the IFNγ-peptidomimetic Fibroferon targeted to PDGFβR-overexpressing myofibroblasts attenuates renal fibrosis in the absence of IFNγ-mediated adverse effects.
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Affiliation(s)
- Fariba Poosti
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Microbiology and Immunology, Laboratory of Molecular Immunology, Rega Institute, KU Leuven, Belgium
| | - Ruchi Bansal
- Department of Biomaterials Science and Technology, Division of Targeted Therapeutics, MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Saleh Yazdani
- Department of Biomaterials Science and Technology, Division of Targeted Therapeutics, MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Jai Prakash
- Department of Biomaterials Science and Technology, Division of Targeted Therapeutics, MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Leonie Beljaars
- Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands
| | - Jacob van den Born
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Martin H de Borst
- Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Harry van Goor
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jan-Luuk Hillebrands
- Department of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Klaas Poelstra
- Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands
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20
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Paquissi FC. Immunity and Fibrogenesis: The Role of Th17/IL-17 Axis in HBV and HCV-induced Chronic Hepatitis and Progression to Cirrhosis. Front Immunol 2017; 8:1195. [PMID: 29033929 PMCID: PMC5626935 DOI: 10.3389/fimmu.2017.01195] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 09/11/2017] [Indexed: 12/13/2022] Open
Abstract
Cirrhosis is a common final pathway for most chronic liver diseases; representing an increasing burden worldwide and is associated with increased morbidity and mortality. Current evidence has shown that, after an initial injury, the immune response has a significant participation in the ongoing damage, and progression from chronic viral hepatitis (CVH) to cirrhosis, driving the activation and maintenance of main fibrogenic pathways. Among immune deregulations, those related to the subtype 17 of T helper lymphocytes (Th17)/interleukin-17 (IL-17) axis have been recognized as key immunopathological and prognostic elements in patients with CVH. The Th17/IL-17 axis has been found involved in several points of fibrogenesis chain from the activation of stellate cells, increased expression of profibrotic factors as TGF-β, promotion of the myofibroblastic or epithelial–mesenchymal transition, stimulation of the synthesis of collagen, and induction of imbalance between matrix metalloproteinases and tissue inhibitors of metalloproteinases (TIMPs). It also promotes the recruitment of inflammatory cells and increases the expression of proinflammatory cytokines such as IL-6 and IL-23. So, the Th17/IL-17 axis is simultaneously the fuel and the flame of a sustained proinflammatory and profibrotic environment. This work aims to present the immunopathologic and prognostic role of the Th17/IL-17 axis and related pathways in fibrogenesis and progression to cirrhosis in patients with liver disease due to hepatitis B virus (HBV) and hepatitis C virus (HCV).
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21
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Lee SH, Kwon JY, Kim SY, Jung K, Cho ML. Interferon-gamma regulates inflammatory cell death by targeting necroptosis in experimental autoimmune arthritis. Sci Rep 2017; 7:10133. [PMID: 28860618 PMCID: PMC5579272 DOI: 10.1038/s41598-017-09767-0] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 07/28/2017] [Indexed: 02/06/2023] Open
Abstract
Interferon γ (IFN-γ) induces an inflammatory response and apoptotic cell death. Rheumatoid arthritis (RA) is a systemic inflammatory disease associated with increased levels of inflammatory mediators, including tumour necrosis factor α (TNF-α) and T helper (Th) 17 cells, and downregulation of apoptosis of inflammatory cells. We hypothesized that IFN-γ would reduce inflammatory cell death in vitro and that loss of IFN-γ would aggravate inflammation in vivo. IFN-γ downregulated necroptosis and the expression of cellular FLICE-like inhibitory protein (cFLIPL) and mixed lineage kinase domain-like (MLKL). However, loss of IFN-γ promoted the production of cFLIPL and MLKL, and necroptosis. IFN-γ deficiency increased Th17 cell number and upregulated the expression of IL-17 and TNF-α. Expression of MLKL, receptor interacting protein kinase (RIPK)1, and RIPK3 was increased in the joints of mice with collagen-induced arthritis (CIA). Compared with wild-type mice with CIA, IFN-γ−/− CIA mice showed exacerbation of cartilage damage and joint inflammation, and acceleration of MLKL, RIPK1, and RIPK3 production in the joints. IFN-γ deficiency induced the activation of signal transducer and activator of transcription 3. These results suggest that IFN-γ regulates inflammatory cell death and may have potential for use in the treatment of RA.
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Affiliation(s)
- Seung Hoon Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Ji Ye Kwon
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Se-Young Kim
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | | | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, South Korea. .,Laboratory of Immune Network, Conversant Research Consortium in Immunologic disease, College of Medicine, The Catholic University of Korea, Seoul, South Korea.
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22
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Yoshihashi-Nakazato Y, Kawahata K, Kimura N, Miyasaka N, Kohsaka H. Interferon-γ, but Not Interleukin-4, Suppresses Experimental Polymyositis. Arthritis Rheumatol 2017; 68:1505-10. [PMID: 26815159 DOI: 10.1002/art.39592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 01/12/2016] [Indexed: 12/14/2022]
Abstract
OBJECTIVE C protein-induced myositis (CIM) is a mouse model of polymyositis in which activated antigen-specific CD8+ T cells injure the muscles. Animal models of autoimmunity that have been examined in the past for the effects of the type 1 cytokine interferon-γ (IFNγ) and the type 2 cytokine interleukin-4 (IL-4) are all mediated by pathogenic CD4+ T cells. In those models, the disruption of IFNγ leads to up-regulation of IL-17A, exacerbating the disease with neutrophil infiltration into sites of inflammation. This study was undertaken to investigate the roles of IFNγ and IL-4, as well as IL-17A in the absence of IFNγ, in CD8+ T cell-mediated CIM. METHODS IFNγ(-/-) mice, anti-IL-17A antibody-treated IFNγ(-/-) mice, IFNγ(-/-) IL-17A(-/-) mice, IL-4(-/-) mice, and wild-type C57BL/6 mice were immunized with skeletal muscle C protein fragments to induce CIM. Muscle tissue specimens were examined histologically. RESULTS IFNγ(-/-) mice developed myositis at a higher incidence and with greater severity than wild-type mice. Unlike wild-type mice, IFNγ(-/-) mice had infiltration of neutrophils into the endomysial sites of the affected muscles. IFNγ(-/-) mice treated with anti-IL-17A antibodies and IFNγ(-/-) IL-17A(-/-) mice developed myositis with an incidence and severity comparable to those in IFNγ(-/-) mice and showed neutrophil infiltration similar to that in IFNγ(-/-) mice. IL-4(-/-) mice developed CIM comparable to that in wild-type mice. CONCLUSION Our findings indicate that IFNγ, but not IL-4, plays a suppressive role in the development of CIM. Unlike in CD4+ T cell-mediated autoimmune disease models, IFNγ prevents factors other than IL-17A from exacerbating myositis and neutrophil infiltration in CD8+ T cell-mediated CIM.
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Affiliation(s)
- Yoko Yoshihashi-Nakazato
- Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Kimito Kawahata
- Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Naoki Kimura
- Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Nobuyuki Miyasaka
- Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan
| | - Hitoshi Kohsaka
- Tokyo Medical and Dental University, Graduate School of Medical and Dental Sciences, Tokyo, Japan, and RIKEN Yokohama Institute, Yokohama, Japan
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Käfer R, Schrick K, Schmidtke L, Montermann E, Hobernik D, Bros M, Chen CY, Kleinert H, Pautz A. Inactivation of the KSRP gene modifies collagen antibody induced arthritis. Mol Immunol 2017; 87:207-216. [DOI: 10.1016/j.molimm.2017.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 04/27/2017] [Accepted: 05/01/2017] [Indexed: 12/14/2022]
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24
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van Nieuwenhuijze A, Dooley J, Humblet-Baron S, Sreenivasan J, Koenders M, Schlenner SM, Linterman M, Liston A. Defective germinal center B-cell response and reduced arthritic pathology in microRNA-29a-deficient mice. Cell Mol Life Sci 2017; 74:2095-2106. [PMID: 28124096 PMCID: PMC11107729 DOI: 10.1007/s00018-017-2456-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 12/14/2016] [Accepted: 01/03/2017] [Indexed: 02/03/2023]
Abstract
MicroRNA (miR) are short non-coding RNA sequences of 19-24 nucleotides that regulate gene expression by binding to mRNA target sequences. The miR-29 family of miR (miR-29a, b-1, b-2 and c) is a key player in T-cell differentiation and effector function, with deficiency causing thymic involution and a more inflammatory T-cell profile. However, the relative roles of different miR-29 family members in these processes have not been dissected. We studied the immunological role of the individual members of the miR-29 family using mice deficient for miR-29a/b-1 or miR-29b-2/c in homeostasis and during collagen-induced arthritis. We found a definitive hierarchy of immunological function, with the strong phenotype of miR-29a-deficiency in thymic involution and T-cell activation being reduced or absent in miR-29c-deficient mice. Strikingly, despite elevating the Th1 and Th17 responses, loss of miR-29a conferred near-complete protection from collagen-induced arthritis (CIA), with profound defects in B-cell proliferation and antibody production. Our results identify the hierarchical structure of the miR-29 family in T-cell biology, and identify miR-29a in B cells as a potential therapeutic target in arthritis.
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Affiliation(s)
- Annemarie van Nieuwenhuijze
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | - James Dooley
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | - Stéphanie Humblet-Baron
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | - Jayasree Sreenivasan
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | - Marije Koenders
- Experimental Rheumatology, Radboud University Medical Center, 6525, Nijmegen, GA, The Netherlands
| | - Susan M Schlenner
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium
| | - Michelle Linterman
- Laboratory of Lymphocyte Signaling and Development, Babraham Institute, Cambridge, CB22 3AT, UK
| | - Adrian Liston
- VIB Center for Brain and Disease Research, VIB, KU Leuven Campus Gasthuisberg, Herestraat 49, bus 1026, 3000, Leuven, Belgium.
- Department of Microbiology and Immunology, University of Leuven, Leuven, Belgium.
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Interferon-γ Aggravated L-Arginine-Induced Acute Pancreatitis in Sprague-Dawley Rats and Its Possible Mechanism: Trypsinogen Activation and Autophagy Up-regulation. Pancreas 2017; 46:619-625. [PMID: 28375949 DOI: 10.1097/mpa.0000000000000826] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES It has been confirmed that the initiation of acute pancreatitis (AP) involves intracellular trypsinogen activation and local cytokines release during its early stage. The former is related to autophagic disorder, and the latter is resulting from nuclear factor-κB activation. Although great efforts have been exerted, there is still nonspecific treatment currently. Recent data showed that immunomodulatory therapy is always promising. However, the effects of interferon-γ (IFN-γ) on AP are controversial. This study is designed to elucidate the effects of IFN-γ on AP severity and explore its impacts on the major mechanisms of AP. METHODS Sprague-Dawley rats were used to establish AP model by intraperitoneal injection of 20% L-arginine (4 g/kg) twice with an interval of 1 hour. The effects of IFN-γ on the severity of AP, trypsinogen activation peptide, and tumor necrosis factor α, Interleukin-1, Interleukin-6 levels, and autophagy activity were detected. RESULTS Compared with AP rats without IFN-γ administration, AP rats with IFN-γ administration had more severe pathological changes in pancreata, greater levels of trypsinogen activation concomitant with autophagy up-regulation, and higher levels of cytokine release. CONCLUSIONS Interferon-γ aggravated L-arginine-induced AP in Sprague-Dawley rats and led to intracellular trypsinogen activation and inflammatory response. The former may be related to autophagy up-regulation.
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Paquissi FC. Immune Imbalances in Non-Alcoholic Fatty Liver Disease: From General Biomarkers and Neutrophils to Interleukin-17 Axis Activation and New Therapeutic Targets. Front Immunol 2016; 7:490. [PMID: 27891128 PMCID: PMC5104753 DOI: 10.3389/fimmu.2016.00490] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 10/25/2016] [Indexed: 12/21/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is an increasing problem worldwide and is associated with negative outcomes such as cirrhosis, hepatocellular carcinoma, insulin resistance, diabetes, and cardiovascular events. Current evidence shows that the immune response has an important participation driving the initiation, maintenance, and progression of the disease. So, various immune imbalances, from cellular to cytokines levels, have been studied, either for better compression of the disease pathophysiology or as biomarkers for severity assessment and outcome prediction. In this article, we performed a thorough review of studies that evaluated the role of inflammatory/immune imbalances in the NAFLD. At the cellular level, we gave special focus on the imbalance between neutrophils and lymphocytes counts (the neutrophil-to-lymphocyte ratio), and that which occurs between T helper 17 (Th17) and regulatory T cells as emerging biomarkers. By extension, we reviewed the reflection of these imbalances at the molecular level through pro-inflammatory cytokines including those involved in Th17 differentiation (IL-6, IL-21, IL-23, and transforming growth factor-beta), and those released by Th17 cells (IL-17A, IL-17F, IL-21, and IL-22). We gave particular attention to the role of IL-17, either produced by Th17 cells or neutrophils, in fibrogenesis and steatohepatitis. Finally, we reviewed the potential of these pathways as new therapeutic targets in NAFLD.
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Shashkova EV, Trivedi J, Cline-Smith AB, Ferris C, Buchwald ZS, Gibbs J, Novack D, Aurora R. Osteoclast-Primed Foxp3+ CD8 T Cells Induce T-bet, Eomesodermin, and IFN-γ To Regulate Bone Resorption. THE JOURNAL OF IMMUNOLOGY 2016; 197:726-35. [PMID: 27324129 DOI: 10.4049/jimmunol.1600253] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 05/24/2016] [Indexed: 11/19/2022]
Abstract
Osteoimmunology arose from the recognition that cytokines produced by lymphocytes can affect bone homeostasis. We have previously shown that osteoclasts, cells that resorb bone, act as APCs. Cross-presentation of Ags by osteoclasts leads to expression of CD25 and Foxp3, markers of regulatory T cells in the CD8 T cells. Octeoclast-induced Foxp3(+) CD25(+) regulatory CD8 T cells (OC-iTcREG) suppress priming of CD4 and CD8 T cells by dendritic cells. OC-iTcREG also limit bone resorption by osteoclasts, forming a negative feedback loop. In this study, we show that OC-iTcREG express concurrently T-bet and Eomesodermin (Eomes) and IFN-γ. Pharmacological inhibition of IκK blocked IFN-γ, T-bet, and Eomes production by TcREG Furthermore, we show, using chromatin immunoprecipitation, NF-κB enrichment in the T-bet and Eomes promoters. We demonstrate that IFN-γ produced by TcREG is required for suppression of osteoclastogenesis and for degradation of TNFR-associated factor 6 in osteoclast precursors. The latter prevents signaling by receptor activator of NF-κB ligand needed for osteoclastogenesis. Knockout of IFN-γ rendered TcREG inefficient in preventing actin ring formation in osteoclasts, a process required for bone resorption. TcREG generated in vivo using IFN-γ(-/-) T cells had impaired ability to protect mice from bone resorption and bone loss in response to high-dose receptor activator of NF-κB ligand. The results of this study demonstrate a novel link between NF-κB signaling and induction of IFN-γ in TcREG and establish an important role for IFN-γ in TcREG-mediated protection from bone loss.
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Affiliation(s)
- Elena V Shashkova
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
| | - Jahnavi Trivedi
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
| | - Anna B Cline-Smith
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
| | - Chloe Ferris
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
| | - Zachary S Buchwald
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
| | - Jesse Gibbs
- Division of Bone and Mineral Disease, Department of Medicine, Washington University in St. Louis, St. Louis, MO 63110
| | - Deborah Novack
- Division of Bone and Mineral Disease, Department of Medicine, Washington University in St. Louis, St. Louis, MO 63110
| | - Rajeev Aurora
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104; and
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Lim JY, Im KI, Lee ES, Kim N, Nam YS, Jeon YW, Cho SG. Enhanced immunoregulation of mesenchymal stem cells by IL-10-producing type 1 regulatory T cells in collagen-induced arthritis. Sci Rep 2016; 6:26851. [PMID: 27246365 PMCID: PMC4887998 DOI: 10.1038/srep26851] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 05/05/2016] [Indexed: 12/25/2022] Open
Abstract
Mesenchymal stem cells (MSCs) possess immunomodulatory properties and have potential, however, there have been conflicting reports regarding their effects in rheumatoid arthritis (RA), which causes inflammation and destruction of the joints. Through a comparative analysis of regulatory T (Treg) and IL-10-producing type 1 regulatory T (Tr1) cells, we hypothesized that Tr1 cells enhance the immunoregulatory functions of MSCs, and that a combinatorial approach to cell therapy may exert synergistic immunomodulatory effects in an experimental animal model of rheumatoid arthritis (RA). A combination of MSCs and Tr1 cells prevented the development of destructive arthritis compared to single cell therapy. These therapeutic effects were associated with an increase in type II collagen (CII)-specific CD4+CD25+Foxp3+ Treg cells and inhibition of CII-specific CD4+IL-17+ T cells. We observed that Tr1 cells produce high levels of IL-10-dependent interferon (IFN)-β, which induces toll-like receptor (TLR) 3 expression in MSCs. Moreover, induction of indoleamine 2,3-dioxygenase (IDO) by TLR3 involved an autocrine IFN-β that was dependent on STAT1 signaling. Furthermore, we observed that production of IFN-β and IL-10 in Tr1 cells synergistically induces IDO in MSCs through the STAT1 pathway. These findings suggest co-administration of MSCs and Tr1 cells to be a novel therapeutic modality for clinical autoimmune diseases.
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Affiliation(s)
- Jung-Yeon Lim
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Keon-Il Im
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Eun-Sol Lee
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Nayoun Kim
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Young-Sun Nam
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Young-Woo Jeon
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Department of Hematology, Catholic Blood and Marrow Transplantation Center, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
| | - Seok-Goo Cho
- Institute for Translational Research and Molecular Imaging, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Laboratory of Immune Regulation, Convergent Research Consortium for Immunologic Disease Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea.,Department of Hematology, Catholic Blood and Marrow Transplantation Center, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701, Republic of Korea
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29
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Gonzalo-Gil E, Pérez-Lorenzo MJ, Galindo M, Díaz de la Guardia R, López-Millán B, Bueno C, Menéndez P, Pablos JL, Criado G. Human embryonic stem cell-derived mesenchymal stromal cells ameliorate collagen-induced arthritis by inducing host-derived indoleamine 2,3 dioxygenase. Arthritis Res Ther 2016; 18:77. [PMID: 27036118 PMCID: PMC4818397 DOI: 10.1186/s13075-016-0979-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 03/18/2016] [Indexed: 12/27/2022] Open
Abstract
Background The immunosuppressive and anti-inflammatory properties of mesenchymal stromal cells (MSC) have prompted their therapeutic application in several autoimmune diseases, including rheumatoid arthritis. Adult MSC are finite and their clinical use is restricted by the need for long-term expansion protocols that can lead to genomic instability. Inhibition of Smad2/3 signaling in human pluripotent stem cells (hPSC) provides an infinite source of MSC that match the phenotype and functional properties of adult MSC. Here, we test the therapeutic potential of hPSC-MSC of embryonic origin (embryonic stem cell-derived mesenchymal stromal cells, hESC-MSC) in the experimental model of collagen-induced arthritis (CIA). Methods CIA was induced in DBA/1 mice by immunization with type II collagen (CII) in Complete Freund’s Adjuvant (CFA). Mice were treated with either a single dose (106 cells/mouse) of hESC-MSC on the day of immunization (prophylaxis) or with three doses of hESC-MSC every other day starting on the day of arthritis onset (therapy). Arthritis severity was evaluated daily for six weeks and ten days, respectively. Frequency of Treg (FoxP3+), Th1 (IFNγ+) and Th17 (IL17+) CD4+ T cells in inguinal lymph nodes (ILN) was quantified by flow cytometry. Serum levels of anti-CII antibodies were determined by ELISA. Detection of hESC-MSC and quantification of murine and human indoleamine 2,3 dioxygenase (IDO1) expression was performed by quantitative real-time PCR. Statistical differences were analyzed by ANOVA and the Mann-Whitney U test. Results Administration of hESC-MSC to mice with established arthritis reduced disease severity compared to control-treated mice. Analysis of CD4 T cell populations in treated mice showed an increase in FoxP3+ Treg and IFNγ+ Th1 cells but not in Th17 cells in the ILN. Anti-CII antibody levels were not affected by treatment. Migration of hESC-MSC to the ILN in treated mice was associated with the induction of murine IDO1. Conclusion Treatment with hESC-MSC ameliorates CIA by inducing IFNγ+ Th1 cells and IDO1 in the host. Thus, hESC-MSC can provide an infinite cellular source for treatment of rheumatoid arthritis.
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Affiliation(s)
- Elena Gonzalo-Gil
- Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Institute, Madrid, Spain
| | - María J Pérez-Lorenzo
- Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Institute, Madrid, Spain
| | - María Galindo
- Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Institute, Madrid, Spain.,Rheumatology Department, Hospital 12 de Octubre, Madrid, Spain
| | - Rafael Díaz de la Guardia
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain
| | - Belén López-Millán
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain
| | - Clara Bueno
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain
| | - Pablo Menéndez
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - José L Pablos
- Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Institute, Madrid, Spain.,Rheumatology Department, Hospital 12 de Octubre, Madrid, Spain
| | - Gabriel Criado
- Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Institute, Madrid, Spain. .,Inflammatory and Autoimmune Diseases Group, Hospital 12 de Octubre Research Center, Avenida de Córdoba s/n. 28041, Madrid, Spain.
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Chalan P, Bijzet J, Kroesen BJ, Boots AMH, Brouwer E. Altered Natural Killer Cell Subsets in Seropositive Arthralgia and Early Rheumatoid Arthritis Are Associated with Autoantibody Status. J Rheumatol 2016; 43:1008-16. [PMID: 27036380 DOI: 10.3899/jrheum.150644] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2016] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The role of natural killer (NK) cells in the immunopathogenesis of rheumatoid arthritis (RA) is unclear. Therefore, numerical and functional alterations of CD56(dim) and CD56(bright) NK cells in the early stages of RA development were studied. METHODS Whole blood samples from newly diagnosed, treatment-naive, seropositive (SP) and seronegative (SN) patients with RA (SP RA, n = 45 and SN RA, n = 12), patients with SP arthralgia (n = 30), and healthy controls (HC, n = 41) were assessed for numbers and frequencies of T cells, B cells, and NK cells. SP status was defined as positive for anticyclic citrullinated peptide antibodies (anti-CCP) and/or rheumatoid factor (RF). Peripheral blood mononuclear cells were used for further analysis of NK cell phenotype and function. RESULTS Total NK cell numbers were decreased in SP RA and SP arthralgia but not in SN RA. Also, NK cells from SP RA showed a decreased potency for interferon-γ (IFN-γ) production. A selective decrease of CD56(dim), but not CD56(bright), NK cells in SP RA and SP arthralgia was observed. This prompted investigation of CD16 (FcγRIIIa) triggering in NK cell apoptosis and cytokine expression. In vitro, CD16 triggering induced apoptosis of CD56(dim) but not CD56(bright) NK cells from HC. This apoptosis was augmented by adding interleukin 2 (IL-2). Also, CD16 triggering in the presence of IL-2 stimulated IFN-γ and tumor necrosis factor-α expression by CD56(dim) NK cells. CONCLUSION The decline of CD56(dim) NK cells in SP arthralgia and SP RA and the in vitro apoptosis of CD56(dim) NK cells upon CD16 triggering suggest a functional role of immunoglobulin G-containing autoantibody (anti-CCP and/or RF)-immune complexes in this process. Moreover, CD16-triggered cytokine production by CD56(dim) NK cells may contribute to systemic inflammation as seen in SP arthralgia and SP RA.
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Affiliation(s)
- Paulina Chalan
- From the Department of Rheumatology and Clinical Immunology, and the Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.P. Chalan, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; J. Bijzet, BS, Department of Rheumatology and Clinical Immunology, University of Groningen; E. Brouwer, MD, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; A.M. Boots, Prof., Department of Rheumatology and Clinical Immunology, University of Groningen; B.J. Kroesen, PhD, Department of Laboratory Medicine, University of Groningen
| | - Johan Bijzet
- From the Department of Rheumatology and Clinical Immunology, and the Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.P. Chalan, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; J. Bijzet, BS, Department of Rheumatology and Clinical Immunology, University of Groningen; E. Brouwer, MD, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; A.M. Boots, Prof., Department of Rheumatology and Clinical Immunology, University of Groningen; B.J. Kroesen, PhD, Department of Laboratory Medicine, University of Groningen
| | - Bart-Jan Kroesen
- From the Department of Rheumatology and Clinical Immunology, and the Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.P. Chalan, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; J. Bijzet, BS, Department of Rheumatology and Clinical Immunology, University of Groningen; E. Brouwer, MD, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; A.M. Boots, Prof., Department of Rheumatology and Clinical Immunology, University of Groningen; B.J. Kroesen, PhD, Department of Laboratory Medicine, University of Groningen
| | - Annemieke M H Boots
- From the Department of Rheumatology and Clinical Immunology, and the Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.P. Chalan, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; J. Bijzet, BS, Department of Rheumatology and Clinical Immunology, University of Groningen; E. Brouwer, MD, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; A.M. Boots, Prof., Department of Rheumatology and Clinical Immunology, University of Groningen; B.J. Kroesen, PhD, Department of Laboratory Medicine, University of Groningen.
| | - Elisabeth Brouwer
- From the Department of Rheumatology and Clinical Immunology, and the Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.P. Chalan, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; J. Bijzet, BS, Department of Rheumatology and Clinical Immunology, University of Groningen; E. Brouwer, MD, PhD, Department of Rheumatology and Clinical Immunology, University of Groningen; A.M. Boots, Prof., Department of Rheumatology and Clinical Immunology, University of Groningen; B.J. Kroesen, PhD, Department of Laboratory Medicine, University of Groningen
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Modulation of PBMC-decay accelerating factor (PBMC-DAF) and cytokines in rheumatoid arthritis. Mol Cell Biochem 2016; 414:85-94. [PMID: 26906204 DOI: 10.1007/s11010-016-2661-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 02/03/2016] [Indexed: 12/11/2022]
Abstract
Studies have suggested that abnormal expression of complement regulatory proteins and cytokines contribute significantly to the path-physiology of rheumatoid arthritis. In this context, Decay accelerating factor (DAF) a complement regulatory protein is gaining increased attention. With the notion that immune effecter mechanisms are all interlinked and circulating peripheral blood mononuclear cells (PBMCs) should have a role in a systemic disease like rheumatoid arthritis, we studied the modulation and significance of PBMC-DAF and cytokines in RA. Seventy-five RA patients and 75 healthy controls were recruited. Expression of DAF and cytokines (IFN-γ, IL-17A and IL-10) in the PBMCs of patients and controls was determined. Correlations among DAF, cytokines, and disease activity were evaluated by standard statistical methods. The effect of IFN-γ, IL-17A, and IL-10 on the expression of DAF in patients and controls was studied in vitro. Expression of PBMC-DAF declined in patients both at mRNA and surface level and correlated negatively with the disease activity. Expression of IFN-γ also declined in patients but correlated positively with DAF and negatively with disease activity. Expression of IL-17A and IL-10 was higher in patients. The levels correlated positively with disease activity and negatively with DAF both in patients and controls. In vitro studies indicated that IFN-γ up-regulated DAF expression in PBMCs, whereas IL-17A and IL-10 had negative effect on the same. The decline in the PBMC-DAF is a contributing factor in manifestations of RA. Cytokine environment contributes to this decline. These findings brought novel insights into the complement-cytokine axis in the path-physiology of RA.
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Ajamian F, Wu Y, Ebeling C, Ilarraza R, Odemuyiwa SO, Moqbel R, Adamko DJ. Respiratory syncytial virus induces indoleamine 2,3-dioxygenase activity: a potential novel role in the development of allergic disease. Clin Exp Allergy 2015; 45:644-59. [PMID: 25627660 DOI: 10.1111/cea.12498] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 12/03/2014] [Accepted: 12/21/2014] [Indexed: 01/10/2023]
Abstract
BACKGROUND Infants that develop severe bronchiolitis due to respiratory syncytial virus (RSV) are at increased risk of developing asthma later in life. We investigated a potential immunological mechanism for the association between RSV and the development of allergic inflammation. The enzyme indoleamine 2,3-dioxygenase (IDO) has been reported to induce selective apoptosis of T helper 1 (Th1) cells and contributed to Th2-biased immune responses. OBJECTIVE To determine whether RSV infection in vitro could induce IDO expression and bioactivity in human dendritic cells, leading to a Th2-biased immune response. METHODS Human peripheral blood monocytes from healthy adult donors were isolated, differentiated to dendritic cells (moDC), in vitro. We studied RSV infection and mechanisms of IDO activation in moDC with subsequent effect on T-bet expression. RESULTS We found that moDC were infected by RSV and that this induced IDO activation. RSV-induced IDO activity was inhibited by palivizumab, UV inactivation, TL4R inhibition, and ribavirin. However, blocking endosomal TLR function with chloroquine did not inhibit IDO activity. Selective inhibitors suggested that RSV-induced IDO activity was dependent on the retinoic acid-inducible gene-I (RIG-I) related pathway via NF-κB and p38 MAPK. Coculture of RSV-infected moDC with activated T cells, in a transwell system, suppressed expression of T-bet (a Th1-associated factor) but not GATA3 (a Th2 regulator). Inhibition of IDO activity with the competitive inhibitor, 1-methyl tryptophan, blocked the effect on T-bet expression. CONCLUSION AND CLINICAL RELEVANCE Our data show for the first time that RSV can induce the expression and bioactivity of IDO in human moDC, in a virus replication-dependant fashion. We suggest that RSV activation of IDO could be a potential mechanism for the development of allergic diseases.
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Affiliation(s)
- F Ajamian
- Pulmonary Research Group, University of Alberta, Edmonton, Alberta, Canada; Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
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Poosti F, Pham BT, Oosterhuis D, Poelstra K, van Goor H, Olinga P, Hillebrands JL. Precision-cut kidney slices (PCKS) to study development of renal fibrosis and efficacy of drug targeting ex vivo. Dis Model Mech 2015; 8:1227-36. [PMID: 26112172 PMCID: PMC4610232 DOI: 10.1242/dmm.020172] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 06/24/2015] [Indexed: 01/15/2023] Open
Abstract
Renal fibrosis is a serious clinical problem resulting in the greatest need for renal replacement therapy. No adequate preventive or curative therapy is available that could be clinically used to target renal fibrosis specifically. The search for new efficacious treatment strategies is therefore warranted. Although in vitro models using homogeneous cell populations have contributed to the understanding of the pathogenetic mechanisms involved in renal fibrosis, these models poorly mimic the complex in vivo milieu. Therefore, we here evaluated a precision-cut kidney slice (PCKS) model as a new, multicellular ex vivo model to study the development of fibrosis and its prevention using anti-fibrotic compounds. Precision-cut slices (200-300 μm thickness) were prepared from healthy C57BL/6 mouse kidneys using a Krumdieck tissue slicer. To induce changes mimicking the fibrotic process, slices were incubated with TGFβ1 (5 ng/ml) for 48 h in the presence or absence of the anti-fibrotic cytokine IFNγ (1 µg/ml) or an IFNγ conjugate targeted to PDGFRβ (PPB-PEG-IFNγ). Following culture, tissue viability (ATP-content) and expression of α-SMA, fibronectin, collagen I and collagen III were determined using real-time PCR and immunohistochemistry. Slices remained viable up to 72 h of incubation, and no significant effects of TGFβ1 and IFNγ on viability were observed. TGFβ1 markedly increased α-SMA, fibronectin and collagen I mRNA and protein expression levels. IFNγ and PPB-PEG-IFNγ significantly reduced TGFβ1-induced fibronectin, collagen I and collagen III mRNA expression, which was confirmed by immunohistochemistry. The PKCS model is a novel tool to test the pathophysiology of fibrosis and to screen the efficacy of anti-fibrotic drugs ex vivo in a multicellular and pro-fibrotic milieu. A major advantage of the slice model is that it can be used not only for animal but also for (fibrotic) human kidney tissue. Drug Discovery Collection: TGFβ induces renal fibrosis in ex vivo cultured precision-cut kidney slices, which can be attenuated by IFNγ.
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Affiliation(s)
- Fariba Poosti
- Departments of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, 9713 GZ, The Netherlands
| | - Bao Tung Pham
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Dorenda Oosterhuis
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Klaas Poelstra
- Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Harry van Goor
- Departments of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, 9713 GZ, The Netherlands
| | - Peter Olinga
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, Groningen, 9713 AV, The Netherlands
| | - Jan-Luuk Hillebrands
- Departments of Pathology and Medical Biology, Division of Pathology, University Medical Center Groningen, University of Groningen, Groningen, 9713 GZ, The Netherlands
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Shields AM, Klavinskis LS, Antoniou M, Wooley PH, Collins HL, Panayi GS, Thompson SJ, Corrigall VM. Systemic gene transfer of binding immunoglobulin protein (BiP) prevents disease progression in murine collagen-induced arthritis. Clin Exp Immunol 2015; 179:210-9. [PMID: 25228326 DOI: 10.1111/cei.12456] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2014] [Indexed: 01/08/2023] Open
Abstract
Summary Recombinant human binding immunoglobulin protein (BiP) has previously demonstrated anti-inflammatory properties in multiple models of inflammatory arthritis. We investigated whether these immunoregulatory properties could be exploited using gene therapy techniques. A single intraperitoneal injection of lentiviral vector containing the murine BiP (Lenti-mBiP) or green fluorescent protein (Lenti-GFP) transgene was administered in low- or high-dose studies during early arthritis. Disease activity was assessed by visual scoring, histology, serum cytokine and antibody production measured by cell enzyme-linked immunosorbent assay (ELISA) and ELISA, respectively. Lentiviral vector treatment caused significant induction of interferon (IFN)-γ responses regardless of the transgene; however, further specific effects were directly attributable to the BiP transgene. In both studies Lenti-mBiP suppressed clinical arthritis significantly. Histological examination showed that low-dose Lenti-mBiP suppressed inflammatory cell infiltration, cartilage destruction and significantly reduced pathogenic anti-type II collagen (CII) antibodies. Lenti-mBiP treatment caused significant up-regulation of soluble cytotoxic T lymphocyte antigen-4 (sCTLA-4) serum levels and down-regulation of interleukin (IL)-17A production in response to CII cell restimulation. In-vitro studies confirmed that Lenti-mBiP spleen cells could significantly suppress the release of IL-17A from CII primed responder cells following CII restimulation in vitro, and this suppression was associated with increased IL-10 production. Neutralization of CTLA-4 in further co-culture experiments demonstrated inverse regulation of IL-17A production. In conclusion, these data demonstrate proof of principle for the therapeutic potential of systemic lentiviral vector delivery of the BiP transgene leading to immunoregulation of arthritis by induction of soluble CTLA-4 and suppression of IL-17A production.
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Affiliation(s)
- A M Shields
- Academic Department of Rheumatology, King's College London, London, UK
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Poosti F, Bansal R, Yazdani S, Prakash J, Post E, Klok P, van den Born J, de Borst MH, van Goor H, Poelstra K, Hillebrands JL. Selective delivery of IFN-γ to renal interstitial myofibroblasts: a novel strategy for the treatment of renal fibrosis. FASEB J 2015; 29:1029-42. [PMID: 25466892 DOI: 10.1096/fj.14-258459] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Renal fibrosis leads to end-stage renal disease demanding renal replacement therapy because no adequate treatment exists. IFN-γ is an antifibrotic cytokine that may attenuate renal fibrosis. Systemically administered IFN-γ causes side effects that may be prevented by specific drug targeting. Interstitial myofibroblasts are the effector cells in renal fibrogenesis. Here, we tested the hypothesis that cell-specific delivery of IFN-γ to platelet-derived growth factor receptor β (PDGFRβ)-expressing myofibroblasts attenuates fibrosis in an obstructive nephropathy [unilateral ureteral obstruction (UUO)] mouse model. PEGylated IFN-γ conjugated to PDGFRβ-recognizing peptide [(PPB)-polyethylene glycol (PEG)-IFN-γ] was tested in vitro and in vivo for antifibrotic properties and compared with free IFN-γ. PDGFRβ expression was >3-fold increased (P < 0.05) in mouse fibrotic UUO kidneys and colocalized with α-smooth muscle actin-positive (SMA(+)) myofibroblasts. In vitro, PPB-PEG-IFN-γ significantly inhibited col1a1, col1a2, and α-SMA mRNA expression in TGF-β-activated NIH3T3 fibroblasts (P < 0.05). In vivo, PPB-PEG-IFN-γ specifically accumulated in PDGFRβ-positive myofibroblasts. PPB-PEG-IFN-γ treatment significantly reduced renal collagen I, fibronectin, and α-SMA mRNA and protein expression. Compared with vehicle treatment, PPB-PEG-IFN-γ preserved tubular morphology, reduced interstitial T-cell infiltration, and attenuated lymphangiogenesis (all P < 0.05) without affecting peritubular capillary density. PPB-PEG-IFN-γ reduced IFN-γ-related side effects as manifested by reduced major histocompatibility complex class II expression in brain tissue (P < 0.05 vs. free IFN-γ). Our findings demonstrate that specific targeting of IFN-γ to PDGFRβ-expressing myofibroblasts attenuates renal fibrosis and reduces systemic adverse effects.
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Affiliation(s)
- Fariba Poosti
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Ruchi Bansal
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Saleh Yazdani
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Jai Prakash
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Eduard Post
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Pieter Klok
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Jacob van den Born
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Martin H de Borst
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Harry van Goor
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Klaas Poelstra
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
| | - Jan-Luuk Hillebrands
- *Department of Pathology and Medical Biology, Division of Pathology, Department of Internal Medicine, Division of Nephrology, University Medical Center Groningen, and Department of Pharmacokinetics, Toxicology and Targeting, University of Groningen, Groningen, The Netherlands; and MIRA Institute, University of Twente, Enschede, The Netherlands
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Slauenwhite D, Gebremeskel S, Doucette CD, Hoskin DW, Johnston B. Regulation of cytokine polarization and T cell recruitment to inflamed paws in mouse collagen-induced arthritis by the chemokine receptor CXCR6. Arthritis Rheumatol 2015; 66:3001-12. [PMID: 25132679 DOI: 10.1002/art.38816] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 07/31/2014] [Indexed: 12/31/2022]
Abstract
OBJECTIVE The chemokine receptor CXCR6 is highly expressed on lymphocytes isolated from the synovium of patients with rheumatoid arthritis, psoriatic arthritis, or juvenile idiopathic arthritis, suggesting that CXCR6 regulates immune cell activation or infiltration into arthritic joints. This study was undertaken to examine the role of CXCR6 in T cell activation and arthritis development. METHODS A collagen-induced arthritis model was used to examine arthritis development in wild-type and CXCR6(-/-) mice. CXCR6 expression, lymphocyte accumulation, and intracellular cytokine production were examined by flow cytometry. Collagen-specific antibodies were measured in the serum. Collagen-specific recall responses were examined in vitro via proliferation and cytokine release assays. T cell homing to inflamed joints was examined using competitive adoptive transfer of dye-labeled lymphocytes from wild-type and CXCR6(-/-) mice. RESULTS The numbers of CXCR6+ T cells were increased in the paws and draining lymph nodes of arthritic mice. The incidence of arthritis, disease severity, extent of T cell accumulation, and levels of collagen-specific IgG2a antibodies were significantly reduced in CXCR6(-/-) mice compared to wild-type mice. T cells from wild-type mice exhibited Th1 (interferon-γ [IFNγ]) polarization in the inguinal lymph nodes following immunization. At disease peak, this shifted to a Th17 (interleukin-17A [IL-17A]) response in the popliteal lymph nodes. T cells in CXCR6(-/-) mice exhibited impaired cytokine polarization, resulting in a decreased frequency and number of IL-17A- and IFNγ-producing cells. Recruitment of activated CXCR6(-/-) mouse T cells to the inflamed paws was impaired compared to recruitment of wild-type mouse T cells. CONCLUSION These experiments demonstrate that CXCR6 plays important roles in the pathogenesis of arthritis through its effects on both T cell cytokine polarization and homing of T cells to inflamed joints.
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Larussa T, Leone I, Suraci E, Nazionale I, Procopio T, Conforti F, Abenavoli L, Hribal ML, Imeneo M, Luzza F. Enhanced expression of indoleamine 2,3-dioxygenase in Helicobacter pylori-infected human gastric mucosa modulates Th1/Th2 pathway and interleukin 17 production. Helicobacter 2015; 20:41-8. [PMID: 25308308 DOI: 10.1111/hel.12174] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Indoleamine 2,3 dioxygenase (IDO) interferes with immune responses. Host immune response against Helicobacter pylori is involved in the persistence of the infection and its related diseases. AIM To investigate the role of IDO in the regulation of Th1/Th2 and Th17 pathways in H. pylori infection. METHODS Gastric biopsy samples were taken from 42 patients who underwent endoscopy and evaluated for the expression of IDO by Western blotting. Gastritis was assessed by the Sydney system score. In a subgroup of patients, biopsies were treated with the IDO inhibitor 1-methyl-L-tryptophan and the expression of interferon-γ (IFN-γ) mRNA and that of T-bet, interleukin-17 (IL-17), and IL-4 determined by real-time PCR and Western blotting, respectively. RESULTS IDO expression was found to be enhanced (p = .001) in gastric biopsies from H. pylori-infected (n = 18) compared with uninfected (n = 24) patients. Levels of IDO expression were inversely related to the gastritis score (r = -.684, p = .002) in H. pylori-infected gastric mucosa, but not in uninfected mucosa. In gastric biopsy cultures, IDO inhibition increased the expression of IFN-γ mRNA (p = .014), T-bet (p = .045), and IL-17 (p = .02) while decreasing that of IL-4 (p = .048). CONCLUSIONS In H. pylori-infected human gastric mucosa, an enhanced expression of IDO is capable of modulating Th1/Th2 and Th17 pathways. This mechanism lowers gastric inflammation, possibly contributing to the persistence of H. pylori. Targeting the IDO pathway may be a new strategy for modulating H. pylori-induced mucosal immune response.
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Affiliation(s)
- Tiziana Larussa
- Department of Health Science, University of Catanzaro "Magna Graecia", Catanzaro, Italy
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Yeaman MR, Filler SG, Chaili S, Barr K, Wang H, Kupferwasser D, Hennessey JP, Fu Y, Schmidt CS, Edwards JE, Xiong YQ, Ibrahim AS. Mechanisms of NDV-3 vaccine efficacy in MRSA skin versus invasive infection. Proc Natl Acad Sci U S A 2014; 111:E5555-63. [PMID: 25489065 PMCID: PMC4280579 DOI: 10.1073/pnas.1415610111] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Increasing rates of life-threatening infections and decreasing susceptibility to antibiotics urge development of an effective vaccine targeting Staphylococcus aureus. This study evaluated the efficacy and immunologic mechanisms of a vaccine containing a recombinant glycoprotein antigen (NDV-3) in mouse skin and skin structure infection (SSSI) due to methicillin-resistant S. aureus (MRSA). Compared with adjuvant alone, NDV-3 reduced abscess progression, severity, and MRSA density in skin, as well as hematogenous dissemination to kidney. NDV-3 induced increases in CD3+ T-cell and neutrophil infiltration and IL-17A, IL-22, and host defense peptide expression in local settings of SSSI abscesses. Vaccine induction of IL-22 was necessary for protective mitigation of cutaneous infection. By comparison, protection against hematogenous dissemination required the induction of IL-17A and IL-22 by NDV-3. These findings demonstrate that NDV-3 protective efficacy against MRSA in SSSI involves a robust and complementary response integrating innate and adaptive immune mechanisms. These results support further evaluation of the NDV-3 vaccine to address disease due to S. aureus in humans.
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Affiliation(s)
- Michael R Yeaman
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and Molecular Medicine, Harbor-UCLA Medical Center, Torrance, CA 90502; St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Scott G Filler
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Siyang Chaili
- Divisions of Infectious Diseases and Molecular Medicine, Harbor-UCLA Medical Center, Torrance, CA 90502; St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Kevin Barr
- St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Huiyuan Wang
- Divisions of Infectious Diseases and Molecular Medicine, Harbor-UCLA Medical Center, Torrance, CA 90502; St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Deborah Kupferwasser
- Divisions of Infectious Diseases and Molecular Medicine, Harbor-UCLA Medical Center, Torrance, CA 90502; St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | | | - Yue Fu
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | | | - John E Edwards
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Yan Q Xiong
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
| | - Ashraf S Ibrahim
- Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095; Divisions of Infectious Diseases and St. John's Cardiovascular Research Center, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA 90502; and
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Menta R, Mancheño-Corvo P, Del Río B, Ramírez C, DelaRosa O, Dalemans W, Lombardo E. Tryptophan concentration is the main mediator of the capacity of adipose mesenchymal stromal cells to inhibit T-lymphocyte proliferation in vitro. Cytotherapy 2014; 16:1679-91. [DOI: 10.1016/j.jcyt.2014.07.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 07/16/2014] [Accepted: 07/19/2014] [Indexed: 12/29/2022]
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Blockade of indoleamine 2,3-dioxygenase reduces mortality from peritonitis and sepsis in mice by regulating functions of CD11b+ peritoneal cells. Infect Immun 2014; 82:4487-95. [PMID: 25114116 DOI: 10.1128/iai.02113-14] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Indoleamine 2,3-dioxygenase-1 (Ido), which catalyzes the first and limiting step of tryptophan catabolism, has been implicated in immune tolerance. However, the roles of Ido in systemic bacterial infection are complicated and remain controversial. To explore this issue, we examined the roles of Ido in bacterial peritonitis and sepsis after cecal ligation and puncture (CLP) in mice by using the Ido inhibitor 1-methyl-d,l-tryptophan (1-MT), by comparing Ido(+/+) and Ido(-/-) mice, or by using chimeric mice in which Ido in the bone marrow-derived cells was deficient. Ido expression in the peritoneal CD11b(+) cells and its metabolite l-kynurenine in the serum were increased after CLP. 1-MT treatment or Ido deficiency, especially in bone marrow-derived cells, reduced mortality after CLP. Compared to Ido(+/+) mice, Ido(-/-) mice showed increased recruitment of neutrophils and mononuclear cells into the peritoneal cavity and a decreased bacterial count in the blood accompanied by increased CXCL-2 and CXCL-1 mRNA in the peritoneal cells. Ido has an inhibitory effect on LPS-induced CXCL-2 and CXCL-1 production in cultured peritoneal cells. These findings indicate that inhibition of Ido reduces mortality from peritonitis and sepsis after CLP via recruitment of neutrophils and mononuclear cells by chemokine production in peritoneal CD11b(+) cells. Thus, blockade of Ido plays a beneficial role in host protection during bacterial peritonitis and sepsis.
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Ozkan ZS, Deveci D, Kumbak B, Simsek M, Ilhan F, Sekercioglu S, Sapmaz E. What is the impact of Th1/Th2 ratio, SOCS3, IL17, and IL35 levels in unexplained infertility? J Reprod Immunol 2014; 103:53-8. [DOI: 10.1016/j.jri.2013.11.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 11/10/2013] [Accepted: 11/14/2013] [Indexed: 12/15/2022]
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Commercial bovine proteoglycan is highly arthritogenic and can be used as an alternative antigen source for PGIA model. BIOMED RESEARCH INTERNATIONAL 2014; 2014:148594. [PMID: 24971313 PMCID: PMC4058295 DOI: 10.1155/2014/148594] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 04/29/2014] [Accepted: 05/01/2014] [Indexed: 12/29/2022]
Abstract
Rheumatoid arthritis (RA) is the most common systemic autoimmune disease. It affects mainly the joints, causing synovitis, cartilage destruction, and bone erosion. Many experimental models are used to study the mechanisms involved in immunopathogenesis and new therapies for this disease. Proteoglycan-induced arthritis (PGIA) is a widely used model based on the cross-reactivity of injected foreign (usually human) PG and mice self-PG. Considering the complexity of the extraction and purification of human PG, in this study we evaluated the arthritogenicity of bovine PG that is commercially available. Bovine PG was highly arthritogenic, triggering 100% incidence of arthritis in female BALB/c retired breeder mice. Animals immunized with bovine PG presented clinical symptoms and histopathological features similar to human RA and other experimental models. Moreover, bovine PG immunization determined higher levels of proinflammatory and anti-inflammatory cytokines in arthritic mice compared to healthy ones. As expected, only the arthritic group produced IgG1 and IgG2a antibodies against PG. Thus, commercial bovine PG can be used as an alternative antigenic source to PGIA for the study of many RA aspects, including the immunopathogenesis of the disease and also the development of new therapies.
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Qiu LJ, Ni J, Cen H, Wen PF, Zhang M, Liang Y, Pan HF, Mao C, Ye DQ. Relationship between the IL-4 gene promoter -590C/T (rs2243250) polymorphism and susceptibility to autoimmune diseases: a meta-analysis. J Eur Acad Dermatol Venereol 2014; 29:48-55. [PMID: 24628947 DOI: 10.1111/jdv.12435] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2013] [Accepted: 01/31/2014] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Studies investigating the association between interleukin (IL)-4 gene promoter -590C/T (rs2243250) polymorphism and autoimmune diseases report conflicting results. To derive a more precise estimation of the relationship, a meta-analysis was performed. METHODS A systematic literature search was conducted to identify relevant studies. Pooled odds ratio (OR) with 95% confidence interval (CI) was used to estimate the strength of association. RESULTS A total of 6001 cases and 6788 controls from 24 studies were analysed. Significant association of the C allele of IL-4 rs2243250 polymorphism with rheumatoid arthritis (RA) was detected (odds ratio (OR) = 0.696, 95% confidence interval (CI) = 0.601-0.807). Stratification by ethnicity indicated an association between the IL-4 rs2243250 polymorphism and RA in Caucasians. Furthermore, the overall ORs of the associations between the C allele and multiple scleorosis (MS) were 1.340 (95% CI = 1.102-1.630). However, we failed to reveal any association between IL-4 rs2243250 polymorphism and systemic lupus erythematosus (SLE), type 1 diabetes (T1D) or Graves' disease (GD). CONCLUSIONS The present study suggests that the IL-4 rs2243250 polymorphism might be associated with genetic susceptibility to autoimmune diseases, including RA and MS.
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Affiliation(s)
- L-J Qiu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China; Anhui Provincial Laboratory of Population Health & Major Disease Screening and Diagnosis, Anhui Medical University, Hefei, Anhui, China
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Th17 cells in immunity and autoimmunity. Clin Dev Immunol 2013; 2013:986789. [PMID: 24454481 PMCID: PMC3886602 DOI: 10.1155/2013/986789] [Citation(s) in RCA: 181] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Revised: 11/13/2013] [Accepted: 11/20/2013] [Indexed: 02/07/2023]
Abstract
Th17 and IL-17 play important roles in the clearance of extracellular bacterial and fungal infections. However, strong evidence also implicates the Th17 lineage in several autoimmune disorders including multiple sclerosis, psoriasis, rheumatoid arthritis, inflammatory bowel disease, systemic lupus erythematosus, and asthma. The Th17 subset has also been connected with type I diabetes, although whether it plays a role in the pathogenicity of or protection from the disease remains a controversial issue. In this review we have provided a comprehensive overview of Th17 pathogenicity and function, including novel evidence for a protective role of Th17 cells in conjunction with the microbiota gut flora in T1D onset and progression.
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Shen PC, Lu CS, Shiau AL, Lee CH, Jou IM, Hsieh JL. Lentiviral small hairpin RNA knockdown of macrophage inflammatory protein-1γ ameliorates experimentally induced osteoarthritis in mice. Hum Gene Ther 2013; 24:871-82. [PMID: 24016310 PMCID: PMC3787402 DOI: 10.1089/hum.2012.189] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 09/06/2013] [Indexed: 01/16/2023] Open
Abstract
Immune cells are involved in the pathogenesis of osteoarthritis (OA). CD4(+) T cells were activated during the onset of OA and induced macrophage inflammatory protein (MIP)-1γ expression and subsequent osteoclast formation. We evaluated the effects of local knockdown of MIP-1γ in a mouse OA model induced by anterior cruciate ligament transection. The mouse macrophage cell lines and osteoclast-like cells generated from immature hematopoietic monocyte/macrophage progenitors of murine bone marrow were cocultured with either receptor activator of NFκB ligand (RANKL) or CD4(+) T cells. The levels of MIP-1γ and RANKL in cells and mice were examined by enzyme-linked immunosorbent assay (ELISA). The osteoclastogenesis was evaluated using tartrate-resistant acid phosphatase and cathepsin K staining. OA was induced in one hind-leg knee joint of B6 mice. Lentiviral vector encoding MIP-1γ small hairpin RNA (shRNA) and control vector were individually injected intra-articularly into the knee joints, which were histologically assessed for manifestations of OA. The expression of MIP-1γ and matrix metalloproteinase (MMP)-13 and the infiltration of CD4(+) T cells, macrophages, and osteoclastogenesis in tissues were examined using immunohistochemistry. CD4(+) T cells were involved in OA by inducing MIP-1γ expression in osteoclast progenitors and the subsequent osteoclast formation. Neutralizing MIP-1γ with a specific antibody abolishes RANKL-stimulated and CD4(+) T-cell-stimulated osteoclast formation. MIP-1γ levels were significantly higher in synovium and the chondro-osseous junction of joints 90 days postsurgery. The number of infiltrated CD4(+) T cells and macrophages and IL-1β expression were reduced in the synovial tissues of mice treated with MIP-1γ shRNA. Histopathological examinations revealed that mice treated with MIP-1γ shRNA had less severe OA than control mice had, as well as decreased osteoclast formation and MMP-13 expression. Locally inhibiting MIP-1γ expression may ameliorate disease progression and provide a new OA therapy.
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Affiliation(s)
- Po-Chuan Shen
- Department of Orthopedic Surgery, Tainan Hospital, Department of Health, Executive Yuan, Tainan 70043, Taiwan
| | - Chia-Sing Lu
- Department of Biochemistry and Molecular Biology, National Cheng Kung University, Tainan 70101, Taiwan
| | - Ai-Li Shiau
- Department of Microbiology and Immunology, National Cheng Kung University, Tainan 70101, Taiwan
| | - Che-Hsin Lee
- Department of Microbiology, School of Medicine, China Medical University, Taichung 40402, Taiwan
| | - I-Ming Jou
- Department of Orthopedics, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
| | - Jeng-Long Hsieh
- Department of Nursing, Chung Hwa University of Medical Technology, Tainan 71703, Taiwan
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