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Arado GM, Amatto PDPG, Marins M, Rizzi ES, França SDC, Coppede JDS, Carmona F, Pereira AMS. Anti-inflammatory and/or immunomodulatory activities of Uncaria tomentosa (cat's claw) extracts: A systematic review and meta-analysis of in vivo studies. Front Pharmacol 2024; 15:1378408. [PMID: 38881881 PMCID: PMC11176511 DOI: 10.3389/fphar.2024.1378408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/18/2024] [Indexed: 06/18/2024] Open
Abstract
Background Uncaria tomentosa (Willd. ex Schult.) DC. (Rubiaceae) is traditionally used by Amazonian indigenous groups to treat inflammatory diseases. To date, there are no systematic reviews and meta-analyses on the use of U. tomentosa for inflammation control in animals supporting the traditional knowledge about this species. This study was conducted to evaluate the effect of U. tomentosa extracts in modulating inflammatory mediators and to determine which types of inflammatory diseases can be treated by this species. Methods We conducted a systematic review and meta-analysis of preclinical studies published before 26 July 2023, identified in PubMed, Embase, and Scopus. Four independent reviewers extracted the data and assessed the risks of bias. The effects of U. tomentosa on inflammatory diseases and the inflammatory mediators involved were extracted from the studies. Standardized mean differences (SMD) and 95% confidence intervals (95%CI) of the outcomes were estimated. The meta-analyses were conducted using RevMan 5.4 (Cochrane Collaboration). This protocol was registered in PROSPERO (CRD42023450869). Results Twenty-four of 523 studies were included. U. tomentosa extracts decreased the cytokines interleukin (IL)-6 (SMD: -0.72, 95%CI: -1.15, -0.29, p = 0.001) and transcription factor nuclear factor kappa-B (NF-κB) (SMD: -1.19, 95%CI: -1.89, -0.48, p = 0.001). However, the extracts did not significantly alter IL-1 (SMD: -0.16, 95%CI: -0.87, +0.56, p = 0.67), IL-10 (SMD: -0.05, 95%CI:-0.35, 0.45, p = 0.80), or tumor necrosis factor-alpha (TNF-α) levels (SMD: 0.18, 95%CI: -0.25, 0.62, p = 0.41). Conclusion Many extracts of stem bark, roots, and leaves of U. tomentosa, mostly aqueous and hydroethanolic, exhibited anti-inflammatory and/or immunomodulatory activities and low toxicity. The extracts decreased NF-κB and IL-6. These findings suggest that this species has the potential to treat inflammatory diseases in which these markers are increased, according to the ethnopharmacological use. These activities are not related to a specific class of compounds. Systematic Review Registration: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=450869, Identifier CRD42023450869.
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Affiliation(s)
- Gustavo Marin Arado
- Department of Biotechnology, University of Ribeirão Preto, Sao Paulo, Brazil
| | | | - Mozart Marins
- Department of Biotechnology, University of Ribeirão Preto, Sao Paulo, Brazil
| | - Elen Sanchez Rizzi
- Department of Biotechnology, University of Ribeirão Preto, Sao Paulo, Brazil
| | | | | | - Fábio Carmona
- Department of Pediatrics, Ribeirao Preto Medical School, University of São Paulo, São Paulo, Brazil
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Li C, Wang L, Zhang K, Wang Z, Li Z, Li Z, Chen L. Overcoming neutrophil-induced immunosuppression in postoperative cancer therapy: Combined sialic acid-modified liposomes with scaffold-based vaccines. Asian J Pharm Sci 2024; 19:100906. [PMID: 38595333 PMCID: PMC11002593 DOI: 10.1016/j.ajps.2024.100906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/13/2024] [Accepted: 02/17/2024] [Indexed: 04/11/2024] Open
Abstract
Immunotherapy is a promising approach for preventing postoperative tumor recurrence and metastasis. However, inflammatory neutrophils, recruited to the postoperative tumor site, have been shown to exacerbate tumor regeneration and limit the efficacy of cancer vaccines. Consequently, addressing postoperative immunosuppression caused by neutrophils is crucial for improving treatment outcomes. This study presents a combined chemoimmunotherapeutic strategy that employs a biocompatible macroporous scaffold-based cancer vaccine (S-CV) and a sialic acid (SA)-modified, doxorubicin (DOX)-loaded liposomal platform (DOX@SAL). The S-CV contains whole tumor lysates as antigens and imiquimod (R837, Toll-like receptor 7 activator)-loaded PLGA nanoparticles as immune adjuvants for cancer, which enhance dendritic cell activation and cytotoxic T cell proliferation upon localized implantation. When administered intravenously, DOX@SAL specifically targets and delivers drugs to activated neutrophils in vivo, mitigating neutrophil infiltration and suppressing postoperative inflammatory responses. In vivo and vitro experiments have demonstrated that S-CV plus DOX@SAL, a combined chemo-immunotherapeutic strategy, has a remarkable potential to inhibit postoperative local tumor recurrence and distant tumor progression, with minimal systemic toxicity, providing a new concept for postoperative treatment of tumors.
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Affiliation(s)
- Cong Li
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Lihong Wang
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Kexin Zhang
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Zeyu Wang
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Zhihang Li
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Zehao Li
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
| | - Lijiang Chen
- School of Pharmaceutical Science, Liaoning University, Shenyang 110036, China
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Stavre Z, Kim JM, Yang YS, Nündel K, Chaugule S, Sato T, Park K, Gao G, Gravallese E, Shim JH. Schnurri-3 inhibition suppresses bone and joint damage in models of rheumatoid arthritis. Proc Natl Acad Sci U S A 2023; 120:e2218019120. [PMID: 37141171 PMCID: PMC10175794 DOI: 10.1073/pnas.2218019120] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 03/10/2023] [Indexed: 05/05/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease that leads to systemic and articular bone loss by activating bone resorption and suppressing bone formation. Despite current therapeutic agents, inflammation-induced bone loss in RA continues to be a significant clinical problem due to joint deformity and lack of articular and systemic bone repair. Here, we identify the suppressor of bone formation, Schnurri-3 (SHN3), as a potential target to prevent bone loss in RA. SHN3 expression in osteoblast-lineage cells is induced by proinflammatory cytokines. Germline deletion or conditional deletion of Shn3 in osteoblasts limits articular bone erosion and systemic bone loss in mouse models of RA. Similarly, silencing of SHN3 expression in these RA models using systemic delivery of a bone-targeting recombinant adenoassociated virus protects against inflammation-induced bone loss. In osteoblasts, TNF activates SHN3 via ERK MAPK-mediated phosphorylation and, in turn, phosphorylated SHN3 inhibits WNT/β-catenin signaling and up-regulates RANKL expression. Accordingly, knock-in of a mutation in Shn3 that fails to bind ERK MAPK promotes bone formation in mice overexpressing human TNF due to augmented WNT/β-catenin signaling. Remarkably, Shn3-deficient osteoblasts are not only resistant to TNF-induced suppression of osteogenesis, but also down-regulate osteoclast development. Collectively, these findings demonstrate SHN3 inhibition as a promising approach to limit bone loss and promote bone repair in RA.
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Affiliation(s)
- Zheni Stavre
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Jung-Min Kim
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Yeon-Suk Yang
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Kerstin Nündel
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Sachin Chaugule
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Tadatoshi Sato
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, MA01605
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01605
- Endocrine Unit, Massachusetts General Hospital, Harvard Medical School, Boston, MA02114
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul03722, South Korea
| | - Guangping Gao
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, MA01605
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01605
- Department of Microbiology and Physiological Systems, University of Massachusetts Chan Medical School, Worcester, MA01605
- Viral Vector Core, University of Massachusetts Chan Medical School, Worcester, MA01605
| | - Ellen M. Gravallese
- Department of Medicine, Division of Rheumatology, Inflammation and Immunity, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA02115
| | - Jae-Hyuck Shim
- Department of Medicine, Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA01605
- Horae Gene Therapy Center, University of Massachusetts Chan Medical School, Worcester, MA01605
- Li Weibo Institute for Rare Diseases Research, University of Massachusetts Chan Medical School, Worcester, MA01605
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McBride DA, Kerr MD, Johnson WT, Nguyen A, Zoccheddu M, Yao M, Prideaux EB, Dorn NC, Wang W, Svensson MN, Bottini N, Shah NJ. Immunomodulatory Microparticles Epigenetically Modulate T Cells and Systemically Ameliorate Autoimmune Arthritis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2202720. [PMID: 36890657 PMCID: PMC10104670 DOI: 10.1002/advs.202202720] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 01/09/2023] [Indexed: 05/10/2023]
Abstract
Disease modifying antirheumatic drugs (DMARDs) have improved the prognosis of autoimmune inflammatory arthritides but a large fraction of patients display partial or nonresponsiveness to front-line DMARDs. Here, an immunoregulatory approach based on sustained joint-localized release of all-trans retinoic acid (ATRA), which modulates local immune activation and enhances disease-protective T cells and leads to systemic disease control is reported. ATRA imprints a unique chromatin landscape in T cells, which is associated with an enhancement in the differentiation of naïve T cells into anti-inflammatory regulatory T cells (Treg ) and suppression of Treg destabilization. Sustained release poly-(lactic-co-glycolic) acid (PLGA)-based biodegradable microparticles encapsulating ATRA (PLGA-ATRA MP) are retained in arthritic mouse joints after intra-articular (IA) injection. IA PLGA-ATRA MP enhance migratory Treg which in turn reduce inflammation and modify disease in injected and uninjected joints, a phenotype that is also reproduced by IA injection of Treg . PLGA-ATRA MP reduce proteoglycan loss and bone erosions in the SKG and collagen-induced arthritis mouse models of autoimmune arthritis. Strikingly, systemic disease modulation by PLGA-ATRA MP is not associated with generalized immune suppression. PLGA-ATRA MP have the potential to be developed as a disease modifying agent for autoimmune arthritis.
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Affiliation(s)
- David A. McBride
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCA92093USA
- Chemical Engineering ProgramUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Matthew D. Kerr
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCA92093USA
- Chemical Engineering ProgramUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Wade T. Johnson
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Anders Nguyen
- Department of Rheumatology and Inflammation ResearchSahlgrenska AcademyInstitute of MedicineUniversity of GothenburgGothenburg41346Sweden
| | - Martina Zoccheddu
- Department of MedicineDivision of RheumatologyAllergy and ImmunologyUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Mina Yao
- Department of Chemistry and BiochemistryUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Edward B. Prideaux
- Department of Chemistry and BiochemistryUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Nicholas C. Dorn
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCA92093USA
- Chemical Engineering ProgramUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Wei Wang
- Department of Chemistry and BiochemistryUniversity of CaliforniaLa JollaSan DiegoCA92093USA
- Department of Cellular and Molecular MedicineUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Mattias N.D. Svensson
- Department of Rheumatology and Inflammation ResearchSahlgrenska AcademyInstitute of MedicineUniversity of GothenburgGothenburg41346Sweden
| | - Nunzio Bottini
- Department of MedicineDivision of RheumatologyAllergy and ImmunologyUniversity of CaliforniaLa JollaSan DiegoCA92093USA
| | - Nisarg J. Shah
- Department of NanoengineeringUniversity of CaliforniaLa JollaSan DiegoCA92093USA
- Chemical Engineering ProgramUniversity of CaliforniaLa JollaSan DiegoCA92093USA
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5
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Cong S, Wang L, Meng Y, Cai X, Zhang C, Gu Y, Ma X, Luo L. Saussurea involucrata
oral liquid regulates gut microbiota and serum metabolism during alleviation of collagen‐induced arthritis in rats. Phytother Res 2022; 37:1242-1259. [PMID: 36451529 DOI: 10.1002/ptr.7681] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 12/03/2022]
Abstract
Saussurea involucrata oral liquid (SIOL) can clinically relieve symptoms, such as joint pain and swelling, and morning stiffness, in patients with rheumatoid arthritis (RA). However, the mechanism of action remains unclear. This study used a combination of gut microbiota and serum metabolomics analysis to investigate the effects and potential mechanisms of SIOL intervention on rats with RA induced by type II bovine collagen and Freund's complete adjuvant. Results showed that SIOL treatment consequently improved the degree of ankle joint swelling, joint histopathological changes, joint pathological score, and expression of serum-related inflammatory cytokines (interleukin (IL)-1β, IL-4, IL-6, IL-10, and tumor necrosis factor-α) in RA model rats. 16 S rRNA sequencing results showed that SIOL increased the relative richness of the Lactobacillus and Bacteroides genus and decreased the relative richness of Romboutsia, Alloprevotella, Blautia, and Helicobacter genus. Serum nontargeted metabolomic results indicated that SIOL could regulate metabolites related to metabolic pathways, such as glycine, serine, threonine, galactose, cysteine, and methionine metabolism. Spearman correlation analysis showed that the regulatory effects of SIOL on the tricarboxylic acid (TCA) cycle, phenylalanine metabolism, phenylalanine, tyrosine, and tryptophan biosynthesis, and glyoxylate and dicarboxylate metabolism pathways were correlated with changes in the richness of the Lactobacillus, Romboutsia, Bacteroides, and Alloprevotella genus in the gut microbiome. In conclusion, this study revealed the ameliorative effects of SIOL on RA and suggested that the therapeutic effects of SIOL on RA may be related to the regulation of the community richness of the Lactobacillus, Romboutsia, Bacteroides, and Alloprevotella genus, thereby improving the TCA cycle; phenylalanine metabolism; phenylalanine, tyrosine, and tryptophan biosynthesis, and glyoxylate and dicarboxylate metabolism-related pathways.
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Affiliation(s)
- Shan Cong
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Lingrui Wang
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Yan Meng
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Xuanlin Cai
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Chenxi Zhang
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Yanqin Gu
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
| | - Xiumin Ma
- Tumor Hospital Affiliated to Xinjiang Medical University Xinjiang China
| | - Li Luo
- First Affiliated Hospital of Xinjiang Medical University Xinjiang China
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6
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Uehara I, Kajita M, Tanimura A, Hida S, Onda M, Naito Z, Taki S, Tanaka N. 2-Deoxy-d-glucose induces deglycosylation of proinflammatory cytokine receptors and strongly reduces immunological responses in mouse models of inflammation. Pharmacol Res Perspect 2022; 10:e00940. [PMID: 35212163 PMCID: PMC8873284 DOI: 10.1002/prp2.940] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 12/14/2022] Open
Abstract
Anti‐proinflammatory cytokine therapies against interleukin (IL)‐6, tumor necrosis factor (TNF)‐α, and IL‐1 are major advancements in treating inflammatory diseases, especially rheumatoid arthritis. Such therapies are mainly performed by injection of antibodies against cytokines or cytokine receptors. We initially found that the glycolytic inhibitor 2‐deoxy‐d‐glucose (2‐DG), a simple monosaccharide, attenuated cellular responses to IL‐6 by inhibiting N‐linked glycosylation of the IL‐6 receptor gp130. Aglycoforms of gp130 did not bind to IL‐6 or activate downstream intracellular signals that included Janus kinases. 2‐DG completely inhibited dextran sodium sulfate‐induced colitis, a mouse model for inflammatory bowel disease, and alleviated laminarin‐induced arthritis in the SKG mouse, an experimental model for human rheumatoid arthritis. These diseases have been shown to be partially dependent on IL‐6. We also found that 2‐DG inhibited signals for other proinflammatory cytokines such as TNF‐α, IL‐1β, and interferon ‐γ, and accordingly, prevented death by another inflammatory disease, lipopolysaccharide (LPS) shock. Furthermore, 2‐DG prevented LPS shock, a model for a cytokine storm, and LPS‐induced pulmonary inflammation, a model for acute respiratory distress syndrome of coronavirus disease 2019 (COVID‐19). These results suggest that targeted therapies that inhibit cytokine receptor glycosylation are effective for treatment of various inflammatory diseases.
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Affiliation(s)
- Ikuno Uehara
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, Tokyo, Japan
| | - Mitsuko Kajita
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, Tokyo, Japan
| | - Atsuko Tanimura
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, Tokyo, Japan
| | - Shigeaki Hida
- Department of Molecular and Cellular Health Sciences, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Japan
| | - Munehiko Onda
- Department of Pathology, Integrative Oncological Pathology, Nippon Medical School, Tokyo, Japan
| | - Zenya Naito
- Department of Pathology, Integrative Oncological Pathology, Nippon Medical School, Tokyo, Japan
| | - Shinsuke Taki
- Department of Molecular and Cellular Immunology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Nobuyuki Tanaka
- Department of Molecular Oncology, Institute for Advanced Medical Sciences, Nippon Medical School, Tokyo, Japan
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7
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Donnenfield JI, Karamchedu NP, Fleming BC, Molino J, Proffen BL, Murray MM. Articular cartilage and synovium may be important sources of post-surgical synovial fluid inflammatory mediators. Am J Transl Res 2022; 14:1640-1651. [PMID: 35422952 PMCID: PMC8991160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
The primary source of synovial fluid inflammatory mediators is currently unknown and may include different tissues comprising the joint, including the synovium and articular cartilage. Prior work in a porcine model has demonstrated that anterior cruciate ligament (ACL) surgery leads to significant changes in early gene expression in the synovium and articular cartilage, which are the same whether concomitant ligament restoration is performed or not. In this study, 36 Yucatan minipigs underwent ACL surgery, and a custom multiplex assay was used to measure synovial fluid protein levels of MMP-1, MMP-2, MMP-3, MMP-7, MMP-9, MMP-12, MMP-13, IL-1α, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-18, GM-CSF, and TNFα in 18 animals at 1 and 4 weeks after surgery. Linear regressions were used to evaluate the relationships between synovial fluid protein levels and the previously reported gene expression levels in the articular cartilage and synovium from the same animal cohort. Synovial fluid levels of MMP-13 and IL-6 were significantly correlated with synovial gene expression (P=.003 and P<.001 respectively), while IL-1α levels were significantly correlated with articular cartilage gene expression (P=.037). The synovium may be an important source of MMP-13 and IL-6, and the articular cartilage may be an important source of IL-1α in post-surgical inflammation. In developing treatments for post-surgical inflammation, the synovium may therefore be a promising target for modulating inflammatory mediators such as MMP-13 and IL-6 in the synovial fluid.
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Affiliation(s)
- Jonah I Donnenfield
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical SchoolBoston, MA 02115, USA
| | - Naga Padmini Karamchedu
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island HospitalProvidence, RI 02903, USA
| | - Braden C Fleming
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island HospitalProvidence, RI 02903, USA
| | - Janine Molino
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island HospitalProvidence, RI 02903, USA
| | - Benedikt L Proffen
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical SchoolBoston, MA 02115, USA
| | - Martha M Murray
- Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children’s Hospital, Harvard Medical SchoolBoston, MA 02115, USA
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8
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Stavre Z, Bridgewood C, Zhou Q, Maeda Y, Huang TT, Karman J, Khan A, Giryes S, Sharif K, McGonagle D, Gravallese EM. A role for neutrophils in early enthesitis in spondyloarthritis. Arthritis Res Ther 2022; 24:24. [PMID: 35039073 PMCID: PMC8762869 DOI: 10.1186/s13075-021-02693-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 12/06/2021] [Indexed: 02/08/2023] Open
Abstract
Background Neutrophils are present in the early phases of spondyloarthritis-related uveitis, skin and intestinal disease, but their role in enthesitis, a cardinal musculoskeletal lesion in spondyloarthritis, remains unknown. We considered the role of neutrophils in the experimental SKG mouse model of SpA and in human axial entheses. Methods Early inflammatory infiltrates in the axial and peripheral entheseal sites in SKG mice were evaluated using immunohistochemistry and laser capture microdissection of entheseal tissue. Whole transcriptome analysis was carried out using Affymetrix gene array MTA 1.0, and data was analyzed via IPA. We further isolated neutrophils from human peri-entheseal bone and fibroblasts from entheseal soft tissue obtained from the axial skeleton of healthy patients and determined the response of these cells to fungal adjuvant. Results Following fungal adjuvant administration, early axial and peripheral inflammation in SKG mice was characterized by prominent neutrophilic entheseal inflammation. Expression of transcripts arising from neutrophils include abundant mRNA for the alarmins S100A8 and S100A9. In normal human axial entheses, neutrophils were present in the peri-entheseal bone. Upon fungal stimulation in vitro, human neutrophils produced IL-23 protein, while isolated human entheseal fibroblasts produced chemokines, including IL-8, important in the recruitment of neutrophils. Conclusion Neutrophils with inducible IL-23 production are present in uninflamed human entheseal sites, and neutrophils are prominent in early murine spondyloarthritis-related enthesitis. We propose a role for neutrophils in the early development of enthesitis. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02693-7.
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Affiliation(s)
- Zheni Stavre
- Department of Medicine/Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Charles Bridgewood
- The Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK
| | - Qiao Zhou
- The Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK.,Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan Province, China
| | - Yukiko Maeda
- Department of Medicine/Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Ting-Ting Huang
- Department of Medicine/Division of Rheumatology, University of Massachusetts Chan Medical School, Worcester, MA, 01605, USA
| | - Jozsef Karman
- Abbvie Cambridge Research Center, Cambridge, MA, 02139, USA
| | - Almas Khan
- Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Sami Giryes
- Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, UK
| | - Kassem Sharif
- The Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK.,Sheba Medical Center, Tel Aviv, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dennis McGonagle
- The Leeds Institute of Molecular Medicine, University of Leeds, Leeds, UK
| | - Ellen M Gravallese
- Department of Medicine/Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Boston, MA, 02115, USA.
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9
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Singh O, Hsu WL, Su ECY. ILeukin10Pred: A Computational Approach for Predicting IL-10-Inducing Immunosuppressive Peptides Using Combinations of Amino Acid Global Features. BIOLOGY 2021; 11:biology11010005. [PMID: 35053004 PMCID: PMC8773200 DOI: 10.3390/biology11010005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/25/2021] [Accepted: 12/15/2021] [Indexed: 01/03/2023]
Abstract
Simple Summary Interleukin-10 is a cytokine that exhibits potent anti-inflammatory characteristics that play an essential role in limiting the host’s immune response to pathogens and regulating the growth or differentiation of various immune cells. Moreover, interleukin-10 prediction via conventional approaches is time-consuming and labor-intensive. Hence, researchers are inclined towards an alternative approach to predict interleukin-10-inducing peptides. Additionally, numerous in silico tools are available to predict T cell epitopes. These methods generally follow a direct or indirect approach where they directly predict cytotoxic T-lymphocyte epitopes rather than major histocompatibility complex binders or indirectly predict single components of the T cell recognition pathway. However, very few studies are available that address cytokine-specific predictions. Our research utilized a computer-aided approach to develop a model to predict IL-10-inducing peptides. This study outperformed the existing state-of-the-art method and achieved an accuracy of 87.5% and Matthew’s correlation coefficient (MCC) of 0.755 on the hybrid feature types and outperformed an existing state-of-the-art method based on dipeptide compositions that achieved an accuracy of 81.24% and an MCC value of 0.59. Therefore, our model is promising to assist in predicting immunosuppressive peptides that induce interleukin-10 cytokines. Abstract Interleukin (IL)-10 is a homodimer cytokine that plays a crucial role in suppressing inflammatory responses and regulating the growth or differentiation of various immune cells. However, the molecular mechanism of IL-10 regulation is only partially understood because its regulation is environment or cell type-specific. In this study, we developed a computational approach, ILeukin10Pred (interleukin-10 prediction), by employing amino acid sequence-based features to predict and identify potential immunosuppressive IL-10-inducing peptides. The dataset comprises 394 experimentally validated IL-10-inducing and 848 non-inducing peptides. Furthermore, we split the dataset into a training set (80%) and a test set (20%). To train and validate the model, we applied a stratified five-fold cross-validation method. The final model was later evaluated using the holdout set. An extra tree classifier (ETC)-based model achieved an accuracy of 87.5% and Matthew’s correlation coefficient (MCC) of 0.755 on the hybrid feature types. It outperformed an existing state-of-the-art method based on dipeptide compositions that achieved an accuracy of 81.24% and an MCC value of 0.59. Our experimental results showed that the combination of various features achieved better predictive performance..
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Affiliation(s)
- Onkar Singh
- Bioinformatics Program, Taiwan International Graduate Program, Institute of Information Science, Academia Sinica, Taipei 115, Taiwan; (O.S.); (W.-L.H.)
- Institute of Biomedical Informatics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
| | - Wen-Lian Hsu
- Bioinformatics Program, Taiwan International Graduate Program, Institute of Information Science, Academia Sinica, Taipei 115, Taiwan; (O.S.); (W.-L.H.)
- Department of Computer Science and Information Engineering, Asia University, Taichung 413, Taiwan
| | - Emily Chia-Yu Su
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei 110, Taiwan
- Clinical Big Data Research Center, Taipei Medical University Hospital, Taipei 110, Taiwan
- Correspondence: ; Tel.: +886-2-66382736 (ext. 1515); Fax: +886-2-66380233
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10
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Takeuchi Y, Ohara D, Watanabe H, Sakaguchi N, Sakaguchi S, Kondoh G, Morinobu A, Mimori T, Hirota K. Dispensable roles of Gsdmd and Ripk3 in sustaining IL-1β production and chronic inflammation in Th17-mediated autoimmune arthritis. Sci Rep 2021; 11:18679. [PMID: 34548542 PMCID: PMC8455622 DOI: 10.1038/s41598-021-98145-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 08/26/2021] [Indexed: 12/23/2022] Open
Abstract
Programmed necrosis, such as necroptosis and pyroptosis, is a highly pro-inflammatory cellular event that is associated with chronic inflammation. Although there are various triggers of pyroptosis and necroptosis in autoimmune tissue inflammation and subsequent lytic forms of cell death release abundant inflammatory mediators, including damage-associated molecular patterns and IL-1β, capable of amplifying autoimmune Th17 effector functions, it remains largely unclear whether the programs play a crucial role in the pathogenesis of autoimmune arthritis. We herein report that Gasdermin D (Gsdmd) and receptor interacting serine/threonine kinase 3 (Ripk3)-key molecules of pyroptosis and necroptosis, respectively-are upregulated in inflamed synovial tissues, but dispensable for IL-1β production and the development of IL-17-producing T helper (Th17) cell-mediated autoimmune arthritis in SKG mice. Gsdmd-/-, Ripk3-/-, or Gsdmd-/- Ripk3-/- SKG mice showed severe arthritis with expansion of arthritogenic Th17 cells in the draining LNs and inflamed joints, which was comparable to that in wild-type SKG mice. Despite the marked reduction of IL-1β secretion from Gsdmd-/- or Ripk3-/- bone marrow-derived DCs by canonical stimuli, IL-1β levels in the inflamed synovium were not affected in the absence of Gsdmd or Ripk3. Our results revealed that T cell-mediated autoimmune arthritis proceeds independently of the pyroptosis and necroptosis pathways.
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Affiliation(s)
- Yusuke Takeuchi
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Daiya Ohara
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Hitomi Watanabe
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Noriko Sakaguchi
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka, 565-0871, Japan
| | - Shimon Sakaguchi
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka, 565-0871, Japan
| | - Gen Kondoh
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Akio Morinobu
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
| | - Tsuneyo Mimori
- Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan
- Ijinkai Takeda General Hospital, Kyoto, 601-1495, Japan
| | - Keiji Hirota
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
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11
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Kim M, Sur B, Villa T, Yun J, Nah SY, Oh S. Gintonin regulates inflammation in human IL-1β-stimulated fibroblast-like synoviocytes and carrageenan/kaolin-induced arthritis in rats through LPAR2. J Ginseng Res 2021; 45:575-582. [PMID: 34803427 PMCID: PMC8587511 DOI: 10.1016/j.jgr.2021.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 01/07/2021] [Accepted: 02/04/2021] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND In ginseng, there exists a glycolipoprotein complex with a special form of lipid LPAs called Gintonin. The purpose of this study is to show that Gintonin has a therapeutic effect on rheumatoid arthritis through LPA2 receptors. METHODS Fibroblast-like synoviocytes (FLS) were treated with Gintonin and stimulated with interleukin (IL)-1β. The antioxidant effect of Gintonin was measured using MitoSOX and H2DCFDA experiments. The anti-arthritic efficacy of Gintonin was examined by analyzing the expression levels of inflammatory mediators, phosphorylation of mitogen-activated protein kinase (MAPK) pathways, and translocation of nuclear factor kappa B (NF-κB)/p65 into the nucleus through western blot. Next, after treatment with LPAR2 antagonist, western blot analysis was performed to measure inflammatory mediator expression levels, and NF-κB signaling pathway. Carrageenan/kaolin-induced arthritis rat model was used. Rats were orally administered with Gintonin (25, 50, and 100 mg/kg) every day for 6 days. The knee joint thickness, squeaking score, and weight distribution ratio (WDR) were measured as the behavioral parameters. After sacrifice, H&E staining was performed for histological analysis. RESULTS Gintonin significantly inhibited the expression of iNOS, TNF-α, IL-6 and COX-2. Gintonin prevented NF-κB/p65 from moving into the nucleus through the JNK and ERK MAPK phosphorylation in FLS cells. However, pretreatment with an LPA2 antagonist significantly reversed these effects of Gintonin. In the arthritis rat model, Gintonin suppressed all parameters that were measured. CONCLUSION This study suggests that LPA2 receptor plays a key role in mediating the anti-arthritic effects of Gintonin by modulating inflammatory mediators, the MAPK and NF-κB signaling pathways.
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Affiliation(s)
- Mijin Kim
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Bongjun Sur
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Thea Villa
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Jaesuk Yun
- College of Pharmacy, Chungbuk National University, Cheongju, Republic of Korea
| | - Seung Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Seikwan Oh
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
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12
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Swann JW, Koneva LA, Regan-Komito D, Sansom SN, Powrie F, Griseri T. IL-33 promotes anemia during chronic inflammation by inhibiting differentiation of erythroid progenitors. J Exp Med 2021; 217:151849. [PMID: 32520308 PMCID: PMC7478740 DOI: 10.1084/jem.20200164] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/10/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022] Open
Abstract
An important comorbidity of chronic inflammation is anemia, which may be related to dysregulated activity of hematopoietic stem and progenitor cells (HSPCs) in the bone marrow (BM). Among HSPCs, we found that the receptor for IL-33, ST2, is expressed preferentially and highly on erythroid progenitors. Induction of inflammatory spondyloarthritis in mice increased IL-33 in BM plasma, and IL-33 was required for inflammation-dependent suppression of erythropoiesis in BM. Conversely, administration of IL-33 in healthy mice suppressed erythropoiesis, decreased hemoglobin expression, and caused anemia. Using purified erythroid progenitors in vitro, we show that IL-33 directly inhibited terminal maturation. This effect was dependent on NF-κB activation and associated with altered signaling events downstream of the erythropoietin receptor. Accordingly, IL-33 also suppressed erythropoietin-accelerated erythropoiesis in vivo. These results reveal a role for IL-33 in pathogenesis of anemia during inflammatory disease and define a new target for its treatment.
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Affiliation(s)
- James W Swann
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Lada A Koneva
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | | | - Stephen N Sansom
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Fiona Powrie
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Thibault Griseri
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
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13
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Rinkunaite I, Simoliunas E, Alksne M, Dapkute D, Bukelskiene V. Anti-inflammatory effect of different curcumin preparations on adjuvant-induced arthritis in rats. BMC Complement Med Ther 2021; 21:39. [PMID: 33478498 PMCID: PMC7819195 DOI: 10.1186/s12906-021-03207-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 01/05/2021] [Indexed: 11/28/2022] Open
Abstract
Background Curcumin, a natural polyphenolic substance, has been known for more than two millennia as having strong anti-inflammatory activity towards multiple ailments, including arthritis. The main drawback of curcumin is its poor solubility in water, which leads to low intestinal absorption and minimal bioavailability. In this study, we aimed to compare the anti-arthritic in vivo effect of different curcumin preparations – basic curcumin extract, micellar curcumin, curcumin mixture with piperine, and microencapsulated curcumin. Methods Arthritis was induced in Wistar rats by complete Freund’s adjuvant, and the severity of arthritis was evaluated daily using the arthritis score system. Curcumin preparations were given to animals per os daily for 20 consecutive days, starting at 6th day after arthritis induction. To determine the inflammatory background, pro-inflammatory cytokines were determined using the ELISA test. In addition, hematologic test, weight change, and limb swelling were tracked. Results Our results indicate that curcumin had a rather weak effect on arthritis progression in the Wistar rat model, microencapsulated curcumin effectively prevented the progression of arthritis – the disease stabilized after 10 days of supplementation. It also reduced the levels of immune cells (neutrophils and leukocytes), as well as pro-inflammatory cytokines – TNFα, IL-1, and IL-6, which levels were close to arthritis-free control. Other formulations of curcumin had lower or no effect on arthritis progression. Conclusion Our study shows that the same concentrations of curcumin had a distinctly expressed positive anti-inflammatory effect depending on the form of its delivery. Specifically, we found that microencapsulated curcumin had the most promising effect for treatment. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12906-021-03207-3.
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Affiliation(s)
- Ieva Rinkunaite
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania.
| | - Egidijus Simoliunas
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
| | - Milda Alksne
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
| | - Dominyka Dapkute
- Institute of Biosciences, Life Sciences Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
| | - Virginija Bukelskiene
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio av. 7, LT-10257, Vilnius, Lithuania
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14
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Kim M, Sur B, Villa T, Nah SY, Oh S. Inhibitory activity of gintonin on inflammation in human IL-1β-stimulated fibroblast-like synoviocytes and collagen-induced arthritis in mice. J Ginseng Res 2020; 45:510-518. [PMID: 34295211 PMCID: PMC8282534 DOI: 10.1016/j.jgr.2020.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 11/11/2020] [Accepted: 12/01/2020] [Indexed: 11/24/2022] Open
Abstract
Background Gintonin is a newly derived glycolipoprotein from the roots of ginseng. The purpose of this study is to investigate the anti-arthritic efficacy of Gintonin on various proteases and inflammatory mediators that have an important role in arthritis. Methods Fibroblast-like synoviocytes (FLS) were treated with Gintonin and stimulated with interleukin (IL)-1β 1 hour later. The antioxidant effect of Gintonin was measured using MitoSOX and H2DCFDA experiments. The anti-arthritic efficacy of Gintonin was examined by analyzing the expression levels of inflammatory mediators using RT-PCR, western blot, and ELISA. The phosphorylation of mitogen-activated protein kinase (MAPK) pathways and translocation of nuclear factor kappa B (NF-κB)/p65 into the nucleus were also analyzed using western blot, ELISA, and immunocytochemistry. Collagen-induced arthritis (CIA) mice model was used. Mice were orally administered with Gintonin (25, 50, and 100 mg/kg) every 2 days for 45 days. The body weight, arthritis score, squeaking score, and paw volume were measured as the behavioral parameters. After sacrifice, H&E and safranin-O staining were performed for histological analysis. Results Gintonin significantly inhibited the expression of inflammatory intermediates. Gintonin prevented NF-κB/p65 from moving into the nucleus through the JNK and ERK MAPK phosphorylation in FLS cells. Moreover, Gintonin suppressed the symptoms of arthritis in the CIA mice model. Conclusion As a result, the antioxidant and anti-inflammatory effects of Gintonin were demonstrated, and ultimately the anti-arthritic effect was proved. Collectively, Gintonin has a great potential as a therapeutic agent for arthritis treatment.
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Affiliation(s)
- Mijin Kim
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Bongjun Sur
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Thea Villa
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
| | - Seung Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Seikwan Oh
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea
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Zhang C. Flare-up of cytokines in rheumatoid arthritis and their role in triggering depression: Shared common function and their possible applications in treatment (Review). Biomed Rep 2020; 14:16. [PMID: 33269077 PMCID: PMC7694594 DOI: 10.3892/br.2020.1392] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 05/31/2020] [Indexed: 01/01/2023] Open
Abstract
Chronic illnesses are associated with an increased risk of depression and anxiety. Rheumatoid arthritis (RA) is a chronic autoimmune disease that typically causes damage to the joints. RA extensively impacts patients, both physically and psychologically. Depression is a common comorbid disorder with RA, which leads to worsened health outcomes. There are several cytokines that are active in the joints of patients with RA. Inflammatory cytokines serve important roles in the key processes in the joints, which usually cause inflammation, articular damage and other comorbidities associated with RA. The key role of inflammatory cytokines could be attributed to their interactions within signaling pathways. In RA, IL-1, and the cytokines of TNF-α, IL-6 and IL-18 are primarily involved. Furthermore, depression is hypothesized to be strongly associated with systemic inflammation, particularly with dysregulation of the cytokine network. The present review summarizes the current state of knowledge on these two diseases from the perspective of inflammation and cytokines, and emphasizes the possible bridge between them by exploring the involvement of systemic cytokines in both conditions.
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Affiliation(s)
- Chunhai Zhang
- Thyroid Surgery Department, China-Japan Union Hospital of Jilin University, Changchun, Jilin 1300332, P.R. China
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16
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Hamamoto Y, Ouhara K, Munenaga S, Shoji M, Ozawa T, Hisatsune J, Kado I, Kajiya M, Matsuda S, Kawai T, Mizuno N, Fujita T, Hirata S, Tanimoto K, Nakayama K, Kishi H, Sugiyama E, Kurihara H. Effect of Porphyromonas gingivalis infection on gut dysbiosis and resultant arthritis exacerbation in mouse model. Arthritis Res Ther 2020; 22:249. [PMID: 33076980 PMCID: PMC7574451 DOI: 10.1186/s13075-020-02348-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 10/07/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Porphyromonas gingivalis (Pg) infection causes periodontal disease and exacerbates rheumatoid arthritis (RA). It is reported that inoculation of periodontopathogenic bacteria (i.e., Pg) can alter gut microbiota composition in the animal models. Gut microbiota dysbiosis in human has shown strong associations with systemic diseases, including RA, diabetes mellitus, and inflammatory bowel disease. Therefore, this study investigated dysbiosis-mediated arthritis by Pg oral inoculation in an experimental arthritis model mouse. METHODS Pg inoculation in the oral cavity twice a week for 6 weeks was performed to induce periodontitis in SKG mice. Concomitantly, a single intraperitoneal (i.p.) injection of laminarin (LA) was administered to induce experimental arthritis (Pg-LA mouse). Citrullinated protein (CP) and IL-6 levels in serum as well as periodontal, intestinal, and joint tissues were measured by ELISA. Gut microbiota composition was determined by pyrosequencing the 16 s ribosomal RNA genes after DNA purification of mouse feces. Fecal microbiota transplantation (FMT) was performed by transferring Pg-LA-derived feces to normal SKG mice. The effects of Pg peptidylarginine deiminase (PgPAD) on the level of citrullinated proteins and arthritis progression were determined using a PgPAD knockout mutant. RESULTS Periodontal alveolar bone loss and IL-6 in gingival tissue were induced by Pg oral infection, as well as severe joint destruction, increased arthritis scores (AS), and both IL-6 and CP productions in serum, joint, and intestinal tissues. Distribution of Deferribacteres and S24-7 was decreased, while CP was significantly increased in gingiva, joint, and intestinal tissues of Pg-inoculated experimental arthritis mice compared to experimental arthritis mice without Pg inoculation. Further, FMT from Pg-inoculated experimental arthritis mice reproduced donor gut microbiota and resulted in severe joint destruction with increased IL-6 and CP production in joint and intestinal tissues. The average AS of FMT from Pg-inoculated experimental arthritis was much higher than that of donor mouse. However, inoculation of the PgPAD knockout mutant inhibited the elevation of arthritis scores and ACPA level in serum and reduced CP amount in gingival, joint, and intestinal tissues compared to Pg wild-type inoculation. CONCLUSION Pg oral infection affected gut microbiota dysbiosis and joint destruction via increased CP generation.
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Affiliation(s)
- Yuta Hamamoto
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Kazuhisa Ouhara
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
| | - Syuichi Munenaga
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Mikio Shoji
- Department of Microbiology and Oral Infection, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Tatsuhiko Ozawa
- Department of Immunology, Faculty of Medicine, Academic Assembly, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Jyunzo Hisatsune
- Antimicrobial Resistance Research Center, National Institute of Infectious Diseases (NIID), Toyama 1-23-1, Shinjuku-ku, Tokyo, 162-8640, Japan
| | - Isamu Kado
- Department of Orthodontics and Craniofacial Developmental Biology, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Mikihito Kajiya
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Shinji Matsuda
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Toshihisa Kawai
- Department of Periodontology, Nova Southeastern University College of Dental Medicine, 3200 South University Drive, Fort Lauderdale, FL, 33328, USA
| | - Noriyoshi Mizuno
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Tsuyoshi Fujita
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Shintaro Hirata
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Kotaro Tanimoto
- Department of Orthodontics and Craniofacial Developmental Biology, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Koji Nakayama
- Department of Microbiology and Oral Infection, Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Hiroyuki Kishi
- Department of Immunology, Faculty of Medicine, Academic Assembly, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Eiji Sugiyama
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan
| | - Hidemi Kurihara
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
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Ueyama H, Okano T, Orita K, Mamoto K, Sobajima S, Iwaguro H, Nakamura H. Local transplantation of adipose-derived stem cells has a significant therapeutic effect in a mouse model of rheumatoid arthritis. Sci Rep 2020; 10:3076. [PMID: 32080313 PMCID: PMC7033196 DOI: 10.1038/s41598-020-60041-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 02/05/2020] [Indexed: 12/18/2022] Open
Abstract
Adipose-derived stem cells (ADSCs) have anti-inflammatory and regenerative properties. The purpose of this study was to investigate the effect of locally administered ADSCs in a rheumatoid arthritis (RA) mouse model. In an in vivo experiment, single-cell ADSCs and three dimensionally-cultured ADSC spheroids were injected intra-articularly into the knees of RA model mice and histologically assessed. Marked improvement of synovial inflammation and articular cartilage regeneration was found in ADSC-treated mice. Proliferation, migration, and apoptosis assays of synovial fibroblasts incubated with single-cell and spheroid ADSCs were performed. The expression levels of total cytokine RNA in ADSC single cells, spheroids, and ADSC-treated inflammatory synovial fibroblasts were also evaluated by quantitative reverse transcription PCR. ADSCs suppressed the proliferation and migration of activated inflammatory cells and downregulated inflammatory cytokines. TSG-6 and TGFβ1 were significantly upregulated in ADSCs compared to controls and TGFβ1 was significantly upregulated in ADSC spheroids compared to single cells. The apoptosis rate of ADSC spheroids was significantly lower than that of single-cell ADSCs. These results indicated that intra-articular administration of ADSC single cells and spheroids was effective in an RA mouse model, offering a novel approach for the development of effective localized treatments for patients with RA.
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Affiliation(s)
- Hideki Ueyama
- Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Tadashi Okano
- Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan.
| | - Kumi Orita
- Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | - Kenji Mamoto
- Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
| | | | | | - Hiroaki Nakamura
- Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
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18
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Regan-Komito D, Swann JW, Demetriou P, Cohen ES, Horwood NJ, Sansom SN, Griseri T. GM-CSF drives dysregulated hematopoietic stem cell activity and pathogenic extramedullary myelopoiesis in experimental spondyloarthritis. Nat Commun 2020; 11:155. [PMID: 31919358 PMCID: PMC6952438 DOI: 10.1038/s41467-019-13853-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 12/02/2019] [Indexed: 12/13/2022] Open
Abstract
Dysregulated hematopoiesis occurs in several chronic inflammatory diseases, but it remains unclear how hematopoietic stem cells (HSCs) in the bone marrow (BM) sense peripheral inflammation and contribute to tissue damage in arthritis. Here, we show the HSC gene expression program is biased toward myelopoiesis and differentiation skewed toward granulocyte-monocyte progenitors (GMP) during joint and intestinal inflammation in experimental spondyloarthritis (SpA). GM-CSF-receptor is increased on HSCs and multipotent progenitors, favoring a striking increase in myelopoiesis at the earliest hematopoietic stages. GMP accumulate in the BM in SpA and, unexpectedly, at extramedullary sites: in the inflamed joints and spleen. Furthermore, we show that GM-CSF promotes extramedullary myelopoiesis, tissue-toxic neutrophil accumulation in target organs, and GM-CSF prophylactic or therapeutic blockade substantially decreases SpA severity. Surprisingly, besides CD4+ T cells and innate lymphoid cells, mast cells are a source of GM-CSF in this model, and its pathogenic production is promoted by the alarmin IL-33.
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Affiliation(s)
- Daniel Regan-Komito
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK
| | - James W Swann
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK
| | - Philippos Demetriou
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK
| | - E Suzanne Cohen
- Biopharmaceutical Research Division, AstraZeneca, Cambridge, UK
| | - Nicole J Horwood
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK
- Norwich Medical School, University of East Anglia, Bob Champion Research and Education Building, James Watson Road, Norwich Research Park, Norwich, UK
| | - Stephen N Sansom
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK
| | - Thibault Griseri
- Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Roosevelt Drive, Oxford, UK.
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Ohsugi Y. The immunobiology of humanized Anti-IL6 receptor antibody: From basic research to breakthrough medicine. J Transl Autoimmun 2019; 3:100030. [PMID: 32743515 PMCID: PMC7388389 DOI: 10.1016/j.jtauto.2019.100030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 11/22/2019] [Accepted: 12/13/2019] [Indexed: 01/07/2023] Open
Abstract
The clinical use of monoclonal antibodies is well established in human medicine and has been amongst the most important contributions of basic science to clinical disease. One such antibody, the humanized anti-human IL-6 receptor antibody, is used to treat a variety of autoimmune diseases, particularly rheumatoid arthritis. It is extremely difficult and a laborious process to go from a concept at the research bench, to government approval. Such approval implies not only efficacy but, more importantly, an appropriate safety profile. In this review, the history of anti-human IL-6 receptor antibody is discussed in depth beginning with the author's experience during a sabbatical visit at the University of California at Davis in 1978. At that time, it was discovered that B cell activation was at least one critical factor in the development of autoimmunity. Approximately six years later, the cDNA encoding for IL-6 was cloned as BSF-2 (B cell stimulatory factor 2) to differentiate B cells to produce antibody. Soon after, it was suggested that this cytokine plays an important role in the development of autoimmune diseases. Based on this evidence, the journey began to search for an IL-6 inhibitor. Although there were numerous obstacles in finding lead compounds, ultimately, basic science developed the methodology for high throughput readouts that would inhibit the biologic function of IL-6. It was finally concluded that a mouse monoclonal antibody against IL-6 receptor would be optimal. In 1991, this antibody was humanized by using CDR-grafting technology in collaboration with the MRC (Medical Research Council). The drug was named tocilizumab and launched as an innovative anti-rheumatic drug in 2008 in Japan. Subsequently, the drug has been used throughout the world and has achieved enormous success in helping patients who suffer from inflammatory arthropathies. The lessons learned in the development of this antibody have application to the study of biologics and their application to other human diseases.
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Affiliation(s)
- Yoshiyuki Ohsugi
- Ohsugi BioPharma Consulting Co., Ltd., 5th Fl. Denbo Bldg., 1-39-11 Asakusa, Taito-ku, Tokyo, 111-0032, Japan
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20
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Allen AA, Kendall LV. Immunomodulation Associated with Sustained-release Buprenorphine in Female CD1 Mice Challenged with Ovalbumin. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2019; 58:577-582. [PMID: 31319903 PMCID: PMC6774459 DOI: 10.30802/aalas-jaalas-18-000135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/04/2019] [Accepted: 04/17/2019] [Indexed: 11/05/2022]
Abstract
Opioid analgesics have immunomodulatory properties, which often result in immunosuppression. Sustained-release buprenorphine (SR-Bup) has recently become available as an analgesic for pain management in mice, and little is known regarding potential effects of SR-Bup on the murine immune response. To this end, we immunized female CD1 mice with ovalbumin in complete Freud adjuvant and then treated them with either saline, SR-Bup, Bup-HCl, or SR-vehicle (SR-Veh) for 18 d. Splenocytes were isolated for culture and stimulation to assess cytokine responses, and blood was collected to determine serum antibody responses to ovalbumin. In all treatment groups, levels of IL10, TNFα, and IFNγ increased in ovalbumin-stimulated splenocytes compared with unstimulated splenocytes. Cytokine responses after stimulation did not differ between treatment groups except for IL10, which was significantly higher in SR-Bup-treated mice compared with those given saline or Bup-HCl. The antibody response was significantly increased after immunization but did not differ across treatment groups, except that the response to SR-Veh was lower. These results suggest that the immunomodulatory effects of prolonged treatment with SR-Bup on innate and adaptive immunity are negligible.
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Affiliation(s)
- Alexis A Allen
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado
| | - Lon V Kendall
- Department of Microbiology, Immunology, and Pathology, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado;,
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21
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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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22
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West NR. Coordination of Immune-Stroma Crosstalk by IL-6 Family Cytokines. Front Immunol 2019; 10:1093. [PMID: 31156640 PMCID: PMC6529849 DOI: 10.3389/fimmu.2019.01093] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 04/29/2019] [Indexed: 12/15/2022] Open
Abstract
Stromal cells are a subject of rapidly growing immunological interest based on their ability to influence virtually all aspects of innate and adaptive immunity. Present in every bodily tissue, stromal cells complement the functions of classical immune cells by sensing pathogens and tissue damage, coordinating leukocyte recruitment and function, and promoting immune response resolution and tissue repair. These diverse roles come with a price: like classical immune cells, inappropriate stromal cell behavior can lead to various forms of pathology, including inflammatory disease, tissue fibrosis, and cancer. An important immunological function of stromal cells is to act as information relays, responding to leukocyte-derived signals and instructing leukocyte behavior in kind. In this regard, several members of the interleukin-6 (IL-6) cytokine family, including IL-6, IL-11, oncostatin M (OSM), and leukemia inhibitory factor (LIF), have gained recognition as factors that mediate crosstalk between stromal and immune cells, with diverse roles in numerous inflammatory and homeostatic processes. This review summarizes our current understanding of how IL-6 family cytokines control stromal-immune crosstalk in health and disease, and how these interactions can be leveraged for clinical benefit.
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Affiliation(s)
- Nathaniel R West
- Department of Cancer Immunology, Genentech, South San Francisco, CA, United States
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23
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Yasuda K, Takeuchi Y, Hirota K. The pathogenicity of Th17 cells in autoimmune diseases. Semin Immunopathol 2019; 41:283-297. [PMID: 30891627 DOI: 10.1007/s00281-019-00733-8] [Citation(s) in RCA: 281] [Impact Index Per Article: 56.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/05/2019] [Indexed: 12/14/2022]
Abstract
IL-17-producing T helper (Th17) cells have been implicated in the pathogenesis of many inflammatory and autoimmune diseases. Targeting the effector cytokines IL-17 and GM-CSF secreted by autoimmune Th17 cells has been shown to be effective for the treatment of the diseases. Understanding a molecular basis of Th17 differentiation and effector functions is therefore critical for the regulation of the pathogenicity of tissue Th17 cells in chronic inflammation. Here, we discuss the roles of proinflammatory cytokines and environmental stimuli in the control of Th17 differentiation and chronic tissue inflammation by pathogenic Th17 cells in humans and in mouse models of autoimmune diseases. We also highlight recent advances in the regulation of pathogenic Th17 cells by gut microbiota and immunometabolism in autoimmune arthritis.
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Affiliation(s)
- Keiko Yasuda
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, 606-8507, Japan.,Department of Nephrology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yusuke Takeuchi
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, 606-8507, 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, 606-8507, Japan.
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24
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Chang MH, Nigrovic PA. Antibody-dependent and -independent mechanisms of inflammatory arthritis. JCI Insight 2019; 4:125278. [PMID: 30843881 DOI: 10.1172/jci.insight.125278] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Inflammatory arthritis encompasses a set of common diseases characterized by immune-mediated attack on joint tissues. Most but not all affected patients manifest circulating autoantibodies. Decades of study in human and animal arthritis have identified key roles for autoantibodies in immune complexes and through direct modulation of articular biology. However, joint inflammation can arise because of pathogenic T cells and other pathways that are antibody-independent. Here we review the evidence for these parallel tracks, in animal models and in humans, to explore the range of mechanisms engaged in the pathophysiology of arthritis and to highlight opportunities for targeted therapeutic intervention.
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Affiliation(s)
- Margaret H Chang
- Department of Medicine, Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Peter A Nigrovic
- Department of Medicine, Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA.,Department of Medicine, Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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25
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Svensson MN, Doody KM, Schmiedel BJ, Bhattacharyya S, Panwar B, Wiede F, Yang S, Santelli E, Wu DJ, Sacchetti C, Gujar R, Seumois G, Kiosses WB, Aubry I, Kim G, Mydel P, Sakaguchi S, Kronenberg M, Tiganis T, Tremblay ML, Ay F, Vijayanand P, Bottini N. Reduced expression of phosphatase PTPN2 promotes pathogenic conversion of Tregs in autoimmunity. J Clin Invest 2019; 129:1193-1210. [PMID: 30620725 DOI: 10.1172/jci123267] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 01/03/2019] [Indexed: 12/29/2022] Open
Abstract
Genetic variants at the PTPN2 locus, which encodes the tyrosine phosphatase PTPN2, cause reduced gene expression and are linked to rheumatoid arthritis (RA) and other autoimmune diseases. PTPN2 inhibits signaling through the T cell and cytokine receptors, and loss of PTPN2 promotes T cell expansion and CD4- and CD8-driven autoimmunity. However, it remains unknown whether loss of PTPN2 in FoxP3+ regulatory T cells (Tregs) plays a role in autoimmunity. Here we aimed to model human autoimmune-predisposing PTPN2 variants, the presence of which results in a partial loss of PTPN2 expression, in mouse models of RA. We identified that reduced expression of Ptpn2 enhanced the severity of autoimmune arthritis in the T cell-dependent SKG mouse model and demonstrated that this phenotype was mediated through a Treg-intrinsic mechanism. Mechanistically, we found that through dephosphorylation of STAT3, PTPN2 inhibits IL-6-driven pathogenic loss of FoxP3 after Tregs have acquired RORγt expression, at a stage when chromatin accessibility for STAT3-targeted IL-17-associated transcription factors is maximized. We conclude that PTPN2 promotes FoxP3 stability in mouse RORγt+ Tregs and that loss of function of PTPN2 in Tregs contributes to the association between PTPN2 and autoimmunity.
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Affiliation(s)
- Mattias Nd Svensson
- Department of Medicine, University of California, San Diego, La Jolla, California, USA.,Division of Cellular Biology, and
| | | | - Benjamin J Schmiedel
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Sourya Bhattacharyya
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Bharat Panwar
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Florian Wiede
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Shen Yang
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Eugenio Santelli
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Dennis J Wu
- Department of Medicine, University of California, San Diego, La Jolla, California, USA.,Division of Cellular Biology, and
| | - Cristiano Sacchetti
- Department of Medicine, University of California, San Diego, La Jolla, California, USA.,Division of Cellular Biology, and
| | - Ravindra Gujar
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Gregory Seumois
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - William B Kiosses
- Core Microscopy, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Isabelle Aubry
- Department of Biochemistry, McGill University, Montréal, Quebec, Canada
| | - Gisen Kim
- Division of Developmental Immunology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Piotr Mydel
- Clinical Science, Broegelmann Research Laboratory, Bergen, Norway.,Department of Microbiology, Jagiellonian University, Krakow, Poland
| | - Shimon Sakaguchi
- Laboratory of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Suita, Japan.,Department of Experimental Pathology, Institute for Frontier Medical Sciences, Kyoto University, Kyoto, Japan
| | - Mitchell Kronenberg
- Division of Developmental Immunology, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Tony Tiganis
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.,Monash Biomedicine Discovery Institute, and.,Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Michel L Tremblay
- Department of Biochemistry, McGill University, Montréal, Quebec, Canada
| | - Ferhat Ay
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Pandurangan Vijayanand
- Division of Vaccine Discovery, La Jolla Institute for Allergy and Immunology, La Jolla, California, USA
| | - Nunzio Bottini
- Department of Medicine, University of California, San Diego, La Jolla, California, USA.,Division of Cellular Biology, and
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26
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Munenaga S, Ouhara K, Hamamoto Y, Kajiya M, Takeda K, Yamasaki S, Kawai T, Mizuno N, Fujita T, Sugiyama E, Kurihara H. The involvement of C5a in the progression of experimental arthritis with Porphyromonas gingivalis infection in SKG mice. Arthritis Res Ther 2018; 20:247. [PMID: 30390695 PMCID: PMC6235227 DOI: 10.1186/s13075-018-1744-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/11/2018] [Indexed: 12/26/2022] Open
Abstract
Background Epidemiological evidence to suggest that periodontal disease (PD) is involved in the progression of rheumatoid arthritis (RA) is increasing. The complement system plays a critical role in immune responses. C5a has been implicated in chronic inflammatory diseases, including PD and RA. Porphyromonas gingivalis is the major causative bacteria of PD and can produce C5a. Therefore, it is hypothesized that P. gingivalis infection is involved in the progression of RA by elevating C5a levels. In the present study, P. gingivalis–infected RA model mice were established to investigate the involvement of C5a. Methods SKG mice orally infected with P. gingivalis were immunized with intraperitoneal injection of laminarin (LA) to induce arthritis. Arthritis development was assessed by arthritis score (AS), bone destruction on the talus, histology, and serum markers of RA. In order to investigate the effects of serum C5a on bone destruction, osteoclast differentiation of bone marrow mononuclear cells was examined by using serum samples from each group of mice. The relationship between C5a levels and antibody titers to periodontal pathogens in patients with RA was investigated by enzyme-linked immunosorbent assay. Results P. gingivalis oral infection increased AS, infiltration of inflammatory cells, bone destruction on the talus, and serum markers of RA in mice immunized with LA. The addition of serum from LA-injected mice with the P. gingivalis oral infection promoted osteoclast differentiation, and the addition of a neutralization antibody against C5a suppressed osteoclast differentiation. C5a levels of serum in RA patients with positive P. gingivalis antibody were elevated compared with those in RA patients with negative P. gingivalis antibody. Conclusions These results suggest that P. gingivalis infection enhances the progression of RA via C5a.
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Affiliation(s)
- Syuichi Munenaga
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Kazuhisa Ouhara
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
| | - Yuta Hamamoto
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Mikihito Kajiya
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Katsuhiro Takeda
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Satoshi Yamasaki
- Division of Rheumatology, Kurume University Medical Center, 155-1 Kokubu-machi, Kurume, 839-0863, Japan
| | - Toshihisa Kawai
- Department of Periodontology, Nova Southeastern University College of Dental Medicine, 3200 South University Drive, Fort Lauderdale, FL, 33328, USA
| | - Noriyoshi Mizuno
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Tsuyoshi Fujita
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Eiji Sugiyama
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Hidemi Kurihara
- Department of Periodontal Medicine, Graduate School of Biomedical & Sciences, Hiroshima University, 1-2-3, Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
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27
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Kwon OC, Lee EJ, Chang EJ, Youn J, Ghang B, Hong S, Lee CK, Yoo B, Kim YG. IL-17A +GM-CSF + Neutrophils Are the Major Infiltrating Cells in Interstitial Lung Disease in an Autoimmune Arthritis Model. Front Immunol 2018; 9:1544. [PMID: 30013577 PMCID: PMC6036238 DOI: 10.3389/fimmu.2018.01544] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Accepted: 06/21/2018] [Indexed: 11/25/2022] Open
Abstract
Objective To gain a better understanding of the pathogenesis of autoimmune arthritis-associated interstitial lung disease (ILD), we sought to identify the characteristics of lung-infiltrating cells in SKG mice with ILD. Methods We injected curdlan in SKG mice at 8 weeks of age, and identified the presence of ILD by PET-MRI at 20 weeks post-injection and histological analysis at 22 weeks post-injection. Lung-infiltrating cells were examined by flow cytometry. Analysis of serum cytokines by the Luminex multiplex cytokine assay was performed at 14 and 22 weeks post-injection, and cytokine profiles before and after the development of ILD were compared. Opal multiplexed immunofluorescent staining of lung tissue was also performed. Results At 20 weeks post-injection, curdlan-treated SKG mice developed not only arthritis but also lung inflammation combined with fibrosis, which was identified by PET-MRI and histological analysis. The majority of inflammatory cells that accumulated in the lungs of curdlan-treated SKG mice were CD11b+Gr1+ neutrophils, which co-express IL-17A and GM-CSF, rather than TNF-α. Compared with 14 weeks post-injection, serum levels of GM-CSF, MCP1, IL-17A, IL-23, TSLP, and soluble IL-7Rα had increased at 22 weeks post-injection, whereas those of IFN-γ, IL-22, IL-6, and TNF-α remained unchanged. Furthermore, IL-23, CXCL5, IL-17A, and GM-CSF, but not TNF-α, were observed in immunofluorescent-stained lung tissue. Conclusion We found that IL-17A+GM-CSF+ neutrophils represented the major inflammatory cells in the lungs of curdlan-treated SKG mice. In addition, GM-CSF and IL-17A appear to play a more important role than TNF-α in ILD development.
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Affiliation(s)
- Oh Chan Kwon
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Eun-Ju Lee
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Eun-Ju Chang
- Department of Biomedical Science, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Jeehee Youn
- Department of Anatomy and Cell Biology, College of Medicine, Hanyang University, Seoul, South Korea
| | - Byeongzu Ghang
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Seokchan Hong
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Chang-Keun Lee
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Bin Yoo
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
| | - Yong-Gil Kim
- Division of Rheumatology, Department of Medicine, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, South Korea
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28
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Hirota K, Hashimoto M, Ito Y, Matsuura M, Ito H, Tanaka M, Watanabe H, Kondoh G, Tanaka A, Yasuda K, Kopf M, Potocnik AJ, Stockinger B, Sakaguchi N, Sakaguchi S. Autoimmune Th17 Cells Induced Synovial Stromal and Innate Lymphoid Cell Secretion of the Cytokine GM-CSF to Initiate and Augment Autoimmune Arthritis. Immunity 2018; 48:1220-1232.e5. [PMID: 29802020 PMCID: PMC6024031 DOI: 10.1016/j.immuni.2018.04.009] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Revised: 02/28/2018] [Accepted: 04/06/2018] [Indexed: 12/13/2022]
Abstract
Despite the importance of Th17 cells in autoimmune diseases, it remains unclear how they control other inflammatory cells in autoimmune tissue damage. Using a model of spontaneous autoimmune arthritis, we showed that arthritogenic Th17 cells stimulated fibroblast-like synoviocytes via interleukin-17 (IL-17) to secrete the cytokine GM-CSF and also expanded synovial-resident innate lymphoid cells (ILCs) in inflamed joints. Activated synovial ILCs, which expressed CD25, IL-33Ra, and TLR9, produced abundant GM-CSF upon stimulation by IL-2, IL-33, or CpG DNA. Loss of GM-CSF production by either ILCs or radio-resistant stromal cells prevented Th17 cell-mediated arthritis. GM-CSF production by Th17 cells augmented chronic inflammation but was dispensable for the initiation of arthritis. We showed that GM-CSF-producing ILCs were present in inflamed joints of rheumatoid arthritis patients. Thus, a cellular cascade of autoimmune Th17 cells, ILCs, and stromal cells, via IL-17 and GM-CSF, mediates chronic joint inflammation and can be a target for therapeutic intervention.
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Affiliation(s)
- Keiji Hirota
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan; Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan.
| | - Motomu Hashimoto
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Yoshinaga Ito
- Laboratory of Experimental Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Mayumi Matsuura
- Laboratory of Experimental Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Hiromu Ito
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan; Department of Orthopedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Masao Tanaka
- Department of Advanced Medicine for Rheumatic Diseases, Graduate School of Medicine, Kyoto University, Kyoto 606-8507, Japan
| | - Hitomi Watanabe
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Gen Kondoh
- Laboratory of Integrative Biological Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Atsushi Tanaka
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Keiko Yasuda
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Manfred Kopf
- Department of Biology, Institute of Molecular Health Sciences, ETH Zürich, 8093 Zürich, Switzerland
| | - Alexandre J Potocnik
- Institute of Immunology and Infection Research, The University of Edinburgh, Edinburgh EH9 3FL, UK
| | | | - Noriko Sakaguchi
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan
| | - Shimon Sakaguchi
- Department of Experimental Immunology, Immunology Frontier Research Center, Osaka University, Osaka 565-0871, Japan; Laboratory of Experimental Immunology, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan.
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29
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Okamura T, Yamamoto K, Fujio K. Early Growth Response Gene 2-Expressing CD4 +LAG3 + Regulatory T Cells: The Therapeutic Potential for Treating Autoimmune Diseases. Front Immunol 2018. [PMID: 29535721 PMCID: PMC5834469 DOI: 10.3389/fimmu.2018.00340] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Regulatory T cells (Tregs) are necessary for the maintenance of immune tolerance. Tregs are divided into two major populations: one is thymus derived and the other develops in the periphery. Among these Tregs, CD4+CD25+ Tregs, which mainly originate in the thymus, have been extensively studied. Transcription factor Foxp3 is well known as a master regulatory gene for the development and function of CD4+CD25+ Tregs. On the other hand, peripheral Tregs consist of distinct cell subsets including Foxp3-dependent extrathymically developed Tregs and interleukin (IL)-10-producing type I regulatory T (Tr1) cells. Lymphocyte activation gene 3 (LAG3) and CD49b are reliable cell surface markers for Tr1 cells. CD4+CD25−LAG3+ Tregs (LAG3+ Tregs) develop in the periphery and produce a large amount of IL-10. LAG3+ Tregs characteristically express the early growth response gene 2 (Egr2), a zinc-finger transcription factor, and exhibit its suppressive activity in a Foxp3-independent manner. Although Egr2 was known to be essential for hindbrain development and myelination of the peripheral nervous system, recent studies revealed that Egr2 plays vital roles in the induction of T cell anergy and also the suppressive activities of LAG3+ Tregs. Intriguingly, forced expression of Egr2 converts naive CD4+ T cells into IL-10-producing Tregs that highly express LAG3. Among the four Egr gene family members, Egr3 is thought to compensate for the function of Egr2. Recently, we reported that LAG3+ Tregs suppress humoral immune responses via transforming growth factor β3 production in an Egr2- and Egr3-dependent manner. In this review, we focus on the role of Egr2 in Tregs and also discuss its therapeutic potential for the treatment of autoimmune diseases.
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Affiliation(s)
- Tomohisa Okamura
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Max Planck-The University of Tokyo Center for Integrative Inflammology, The University of Tokyo, Tokyo, Japan
| | - Kazuhiko Yamamoto
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Max Planck-The University of Tokyo Center for Integrative Inflammology, The University of Tokyo, Tokyo, Japan.,Laboratory for Autoimmune Diseases, Center for Integrative Medical Sciences, RIKEN, Yokohama, Japan
| | - Keishi Fujio
- Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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Purvis HA, Clarke F, Jordan CK, Blanco CS, Cornish GH, Dai X, Rawlings DJ, Zamoyska R, Cope AP. Protein tyrosine phosphatase PTPN22 regulates IL-1β dependent Th17 responses by modulating dectin-1 signaling in mice. Eur J Immunol 2018; 48:306-315. [PMID: 28948613 PMCID: PMC5859948 DOI: 10.1002/eji.201747092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/24/2017] [Accepted: 09/18/2017] [Indexed: 12/11/2022]
Abstract
A single nucleotide polymorphism within the PTPN22 gene is a strong genetic risk factor predisposing to the development of multiple autoimmune diseases. PTPN22 regulates Syk and Src family kinases downstream of immuno-receptors. Fungal β-glucan receptor dectin-1 signals via Syk, and dectin-1 stimulation induces arthritis in mouse models. We investigated whether PTPN22 regulates dectin-1 dependent immune responses. Bone marrow derived dendritic cells (BMDCs) generated from C57BL/6 wild type (WT) and Ptpn22-/- mutant mice, were pulsed with OVA323-339 and the dectin-1 agonist curdlan and co-cultured in vitro with OT-II T-cells or adoptively transferred into OT-II mice, and T-cell responses were determined by immunoassay. Dectin-1 activated Ptpn22-/- BMDCs enhanced T-cell secretion of IL-17 in vitro and in vivo in an IL-1β dependent manner. Immunoblotting revealed that compared to WT, dectin-1 activated Ptpn22-/- BMDCs displayed enhanced Syk and Erk phosphorylation. Dectin-1 activation of BMDCs expressing Ptpn22R619W (the mouse orthologue of human PTPN22R620W ) also resulted in increased IL-1β secretion and T-cell dependent IL-17 responses, indicating that in the context of dectin-1 Ptpn22R619W operates as a loss-of-function variant. These findings highlight PTPN22 as a novel regulator of dectin-1 signals, providing a link between genetically conferred perturbations of innate receptor signaling and the risk of autoimmune disease.
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Affiliation(s)
- Harriet A Purvis
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
| | - Fiona Clarke
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
| | - Christine K Jordan
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
| | - Cristina Sanchez Blanco
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
| | - Georgina H Cornish
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
| | - Xuezhi Dai
- Seattle Children's Research Institute and Departments of Pediatrics and ImmunologyUniversity of Washington School of MedicineSeattleWashingtonUSA
| | - David J Rawlings
- Seattle Children's Research Institute and Departments of Pediatrics and ImmunologyUniversity of Washington School of MedicineSeattleWashingtonUSA
| | - Rose Zamoyska
- Institute of Immunology and Infection ResearchCentre for Immunity, Infection and EvolutionUniversity of EdinburghEdinburghUK
| | - Andrew P Cope
- Academic Department of RheumatologyCentre for Inflammation Biology and Cancer ImmunologyFaculty of Life Sciences and MedicineKing's College LondonLondonUK
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Zhao N, Zheng G, Li J, Zhao HY, Lu C, Jiang M, Zhang C, Guo HT, Lu AP. Text Mining of Rheumatoid Arthritis and Diabetes Mellitus to Understand the Mechanisms of Chinese Medicine in Different Diseases with Same Treatment. Chin J Integr Med 2018; 24:777-784. [PMID: 29327123 DOI: 10.1007/s11655-018-2825-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2016] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To identify the commonalities between rheumatoid arthritis (RA) and diabetes mellitus (DM) to understand the mechanisms of Chinese medicine (CM) in different diseases with the same treatment. METHODS A text mining approach was adopted to analyze the commonalities between RA and DM according to CM and biological elements. The major commonalities were subsequently verified in RA and DM rat models, in which herbal formula for the treatment of both RA and DM identified via text mining was used as the intervention. RESULTS Similarities were identified between RA and DM regarding the CM approach used for diagnosis and treatment, as well as the networks of biological activities affected by each disease, including the involvement of adhesion molecules, oxidative stress, cytokines, T-lymphocytes, apoptosis, and inflammation. The Ramulus Cinnamomi-Radix Paeoniae Alba-Rhizoma Anemarrhenae is an herbal combination used to treat RA and DM. This formula demonstrated similar effects on oxidative stress and inflammation in rats with collagen-induced arthritis, which supports the text mining results regarding the commonalities between RA and DM. CONCLUSION Commonalities between the biological activities involved in RA and DM were identified through text mining, and both RA and DM might be responsive to the same intervention at a specific stage.
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Affiliation(s)
- Ning Zhao
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Guang Zheng
- School of Information Science and Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Jian Li
- School of Basic Medical Sciences, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Hong-Yan Zhao
- Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Cheng Lu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Miao Jiang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Chi Zhang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Hong-Tao Guo
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Ai-Ping Lu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, China.
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Shmagel KV, Korolevskaya LB, Saidakova EV, Shmagel NG, Chereshnev VA, Margolis L, Anthony D, Lederman M. HCV coinfection of the HIV-infected patients with discordant CD4 + T-cell response to antiretroviral therapy leads to intense systemic inflammation. DOKLADY BIOLOGICAL SCIENCES : PROCEEDINGS OF THE ACADEMY OF SCIENCES OF THE USSR, BIOLOGICAL SCIENCES SECTIONS 2018; 477:244-247. [PMID: 29299802 DOI: 10.1134/s0012496617060047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Indexed: 01/16/2023]
Abstract
The level of proinflammatory markers was assessed in HIV-infected patients that were coinfected with hepatitis C virus (HCV) and had failed to restore the CD4+ T cell counts (immunological nonresponders, INR) during the antiretroviral therapy (ART). Among four patient groups (HIV+HCV- and HIV+HCV+ subjects with the concordant response to ART; HIV+HCV- and HIV+HCV+ subjects that were INR), the greatest systemic inflammation was in the latter group. The maximum difference was between the subjects HIV+HCV-INR and HIV+HCV+ INR: the blood of coinfected patients contained significantly higher concentrations of the IP-10, sCD163, sTNF-RI, and sTNF-RII and of bacterial lipopolysaccharide. Systemic inflammation in HIV/HCV coinfected patients with the discordant response to ART is probably caused by a breach of hepatic barrier for the intestine products.
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Affiliation(s)
- K V Shmagel
- Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences, Perm, Russia.
| | - L B Korolevskaya
- Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences, Perm, Russia
| | - E V Saidakova
- Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences, Perm, Russia
| | - N G Shmagel
- Perm Regional Center for Protection against AIDS and Infectious Diseases, Perm, Russia
| | - V A Chereshnev
- Institute of Ecology and Genetics of Microorganisms, Ural Branch, Russian Academy of Sciences, Perm, Russia.,Institute of Immunology and Physiology, Ural Branch, Russian Academy of Sciences, Yekaterinburg, Russia
| | - L Margolis
- National Institute of Child Health and Human Development, Bethesda, MD, USA
| | - D Anthony
- Case Western Reserve University, Cleveland, OH, USA
| | - M Lederman
- Case Western Reserve University, Cleveland, OH, USA
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Seki SM, Gaultier A. Exploring Non-Metabolic Functions of Glycolytic Enzymes in Immunity. Front Immunol 2017; 8:1549. [PMID: 29213268 PMCID: PMC5702622 DOI: 10.3389/fimmu.2017.01549] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 10/30/2017] [Indexed: 01/09/2023] Open
Abstract
At the beginning of the twentieth century, discoveries in cancer research began to elucidate the idiosyncratic metabolic proclivities of tumor cells (1). Investigators postulated that revealing the distinct nutritional requirements of cells with unchecked growth potential would reveal targetable metabolic vulnerabilities by which their survival could be selectively curtailed. Soon thereafter, researchers in the field of immunology began drawing parallels between the metabolic characteristics of highly proliferative cancer cells and those of immune cells that respond to perceived threats to host physiology by invading tissues, clonally expanding, and generating vast amounts of pro-inflammatory effector molecules to provide the host with protection. Throughout the past decade, increasing effort has gone into elucidating the biosynthetic and bioenergetic requirements of immune cells during inflammatory responses. It is now well established that, like tumor cells, immune cells must undergo metabolic adaptations to fulfill their effector functions (2, 3). Unraveling the metabolic adaptations that license inflammatory immune responses may lead to the development of novel classes of therapeutics for pathologies with prominent inflammatory components (e.g., autoimmunity). However, the translational potential of discoveries made toward this end is currently limited by the ubiquitous nature of the "pathologic" process being targeted: metabolism. Recent works have started to unravel unexpected non-metabolic functions for metabolic enzymes in the context of inflammation, including signaling and gene regulation. One way information gained through the study of immunometabolism may be leveraged for therapeutic benefit is by exploiting these non-canonical features of metabolic machinery, modulating their contribution to the immune response without impacting their basal metabolic functions. The focus of this review is to discuss the metabolically independent functions of glycolytic enzymes and how these could impact T cells, agents of the immune system that are commonly considered as orchestrators of auto-inflammatory processes.
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Affiliation(s)
- Scott M Seki
- Center for Brain Immunology and Glia, Department of Neuroscience, Charlottesville, VA, United States.,Graduate Program in Neuroscience, Charlottesville, VA, United States.,Medical Scientist Training Program, Charlottesville, VA, United States
| | - Alban Gaultier
- Center for Brain Immunology and Glia, Department of Neuroscience, Charlottesville, VA, United States
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IL-4 enhances IL-10 production in Th1 cells: implications for Th1 and Th2 regulation. Sci Rep 2017; 7:11315. [PMID: 28900244 PMCID: PMC5595963 DOI: 10.1038/s41598-017-11803-y] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2017] [Accepted: 08/30/2017] [Indexed: 12/22/2022] Open
Abstract
IL-10 is an immunomodulatory cytokine with a critical role in limiting inflammation in immune-mediated pathologies. The mechanisms leading to IL-10 expression by CD4+ T cells are being elucidated, with several cytokines implicated. We explored the effect of IL-4 on the natural phenomenon of IL-10 production by a chronically stimulated antigen-specific population of differentiated Th1 cells. In vitro, IL-4 blockade inhibited while addition of exogenous IL-4 to Th1 cultures enhanced IL-10 production. In the in vivo setting of peptide immunotherapy leading to a chronically stimulated Th1 phenotype, lack of IL-4Rα inhibited the induction of IL-10. Exploring the interplay of Th1 and Th2 cells through co-culture, Th2-derived IL-4 promoted IL-10 expression by Th1 cultures, reducing their pathogenicity in vivo. Co-culture led to upregulated c-Maf expression with no decrease in the proportion of T-bet+ cells in these cultures. Addition of IL-4 also reduced the encephalitogenic capacity of Th1 cultures. These data demonstrate that IL-4 contributes to IL-10 production and that Th2 cells modulate Th1 cultures towards a self-regulatory phenotype, contributing to the cross-regulation of Th1 and Th2 cells. These findings are important in the context of Th1 driven diseases since they reveal how the Th1 phenotype and function can be modulated by IL-4.
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35
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Th17 in Animal Models of Rheumatoid Arthritis. J Clin Med 2017; 6:jcm6070073. [PMID: 28753982 PMCID: PMC5532581 DOI: 10.3390/jcm6070073] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 07/13/2017] [Accepted: 07/15/2017] [Indexed: 01/04/2023] Open
Abstract
IL-17-secreting helper CD4 T cells (Th17 cells) constitute a newly identified subset of helper CD4 T cells that play a key role in the development of rheumatoid arthritis (RA) in its animal models. Recently, several models of spontaneous RA, which elucidate the mechanism of RA onset, have been discovered. These animal models shed new light on the role of Th17 in the development of autoimmune arthritis. Th17 cells coordinate inflammation and promote joint destruction, acting on various cells, including neutrophils, macrophages, synovial fibroblasts, and osteoclasts. Regulatory T cells cannot control Th17 cells under conditions of inflammation. In this review, the pathogenic role of Th17 cells in arthritis development, which was revealed by the recent animal models of RA, is discussed.
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Schinnerling K, Aguillón JC, Catalán D, Soto L. The role of interleukin-6 signalling and its therapeutic blockage in skewing the T cell balance in rheumatoid arthritis. Clin Exp Immunol 2017; 189:12-20. [PMID: 28369786 DOI: 10.1111/cei.12966] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/14/2017] [Indexed: 12/20/2022] Open
Abstract
Therapeutic blockage of cytokine signalling in autoimmune diseases has improved our understanding of the role of these cytokines in triggering, shaping and perpetuating autoimmune responses. In rheumatoid arthritis (RA), immunopathology is driven by a predominance of arthritogenic T helper cells secreting interferon-γ [T helper type 1 (Th1)] and interleukin (IL)-17 (Th17) over regulatory T cells (Treg ). The pleiotropic cytokine IL-6 is crucial to the differentiation of Th17 cells and the balance between pathogenic Th17 and protective Treg . Targeting the IL-6 receptor (IL-6R) by humanized antibodies improves signs and symptoms of RA, and has provided new insights into the mechanisms of inflammation and immune regulation. Here we review current evidence on the role of IL-6 in the pathogenesis of RA and the molecular consequences of IL-6R blockage in disease, with special focus on the Th17/Treg balance and plasticity.
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Affiliation(s)
- K Schinnerling
- Programa Disciplinario de Inmunología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - J C Aguillón
- Programa Disciplinario de Inmunología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - D Catalán
- Programa Disciplinario de Inmunología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Millennium Institute on Immunology and Immunotherapy, Santiago, Chile
| | - L Soto
- Programa Disciplinario de Inmunología, Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile.,Hospital Clínico, Universidad de Chile, Santiago, Chile
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IL-10: A Multifunctional Cytokine in Viral Infections. J Immunol Res 2017; 2017:6104054. [PMID: 28316998 PMCID: PMC5337865 DOI: 10.1155/2017/6104054] [Citation(s) in RCA: 212] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/13/2017] [Accepted: 02/01/2017] [Indexed: 12/15/2022] Open
Abstract
The anti-inflammatory master regulator IL-10 is critical to protect the host from tissue damage during acute phases of immune responses. This regulatory mechanism, central to T cell homeostasis, can be hijacked by viruses to evade immunity. IL-10 can be produced by virtually all immune cells, and it can also modulate the function of these cells. Understanding the effects of this multifunctional cytokine is therefore a complex task. In the present review we discuss the factors driving IL-10 production and the cellular sources of the cytokine during antiviral immune responses. We particularly focus on the IL-10 regulatory mechanisms that impact antiviral immune responses and how viruses can use this central regulatory pathway to evade immunity and establish chronic/latent infections.
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Shimizu T, Takahata M, Kimura-Suda H, Kameda Y, Endo K, Hamano H, Hiratsuka S, Ota M, Sato D, Ito T, Todoh M, Tadano S, Iwasaki N. Autoimmune arthritis deteriorates bone quantity and quality of periarticular bone in a mouse model of rheumatoid arthritis. Osteoporos Int 2017; 28:709-718. [PMID: 27704183 DOI: 10.1007/s00198-016-3781-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 09/15/2016] [Indexed: 11/29/2022]
Abstract
UNLABELLED This study showed that autoimmune arthritis induces especially severe osteoporosis in the periarticular region adjacent to inflamed joints, suggesting that arthritis increases the fragility fracture risk near inflamed joints, which is frequently observed in patients with RA. INTRODUCTION Periarticular osteoporosis near inflamed joints is a hallmark of early rheumatoid arthritis (RA). Here we show that rheumatic inflammation deteriorates the bone quality and bone quantity of periarticular bone, thereby decreasing bone strength and toughness in a mouse model of RA. METHODS Female BALB/c mice and SKG mice, a mutant mouse model of autoimmune arthritis on the BALB/c background, were used. At 12 weeks of age, BALB/c mice underwent either Sham surgery or bilateral ovariectomy (OVX), and SKG mice underwent intraperitoneal injection of mannan to induce arthritis. Eight weeks later, the mice were killed and the femurs and tibias were subjected to micro-computed tomography, Fourier transform infrared (FTIR) spectroscopic imaging, X-ray diffraction, histology, and mechanical testing. RESULTS SKG mice developed significant trabecular bone loss in both the distal metaphysis of the femur and the lumbar vertebral body, but the extent of the bone loss was more severe in the distal metaphysis. Neither SKG nor OVX mice exhibited changes in the geometry and matrix properties of the diaphysis of the femur, whereas SKG mice, but not OVX mice, did exhibit changes in these properties in the distal metaphysis of the femur. Bone strength and fracture toughness of the distal metaphysis of the tibia adjacent to the inflamed ankle joint were significantly decreased in SKG mice. CONCLUSIONS Autoimmune arthritis induces periarticular osteoporosis, characterized by deterioration of cortical bone geometry and quality as well as by trabecular bone loss, leading to severe bone fragility in periarticular bone adjacent to inflamed joints.
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Affiliation(s)
- T Shimizu
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - M Takahata
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan.
| | - H Kimura-Suda
- Chitose Institute of Science and Technology, Chitose, Japan
| | - Y Kameda
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - K Endo
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - H Hamano
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - S Hiratsuka
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - M Ota
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - D Sato
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
| | - T Ito
- Chitose Institute of Science and Technology, Chitose, Japan
| | - M Todoh
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - S Tadano
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - N Iwasaki
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7, Kita-ku, Sapporo, 060-8638, Japan
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Zerbini CAF, Clark P, Mendez-Sanchez L, Pereira RMR, Messina OD, Uña CR, Adachi JD, Lems WF, Cooper C, Lane NE. Biologic therapies and bone loss in rheumatoid arthritis. Osteoporos Int 2017; 28:429-446. [PMID: 27796445 DOI: 10.1007/s00198-016-3769-2] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 09/07/2016] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a common systemic autoimmune disease of unknown cause, characterized by a chronic, symmetric, and progressive inflammatory polyarthritis. One of the most deleterious effects induced by the chronic inflammation of RA is bone loss. During the last 15 years, the better knowledge of the cytokine network involved in RA allowed the development of potent inhibitors of the inflammatory process classified as biological DMARDs. These new drugs are very effective in the inhibition of inflammation, but there are only few studies regarding their role in bone protection. The principal aim of this review was to show the evidence of the principal biologic therapies and bone loss in RA, focusing on their effects on bone mineral density, bone turnover markers, and fragility fractures. METHODS Using the PICOST methodology, two coauthors (PC, LM-S) conducted the search using the following MESH terms: rheumatoid arthritis, osteoporosis, clinical trials, TNF- antagonists, infliximab, adalimumab, etanercept, certolizumab, golimumab, IL-6 antagonists, IL-1 antagonists, abatacept, tocilizumab, rituximab, bone mineral density, bone markers, and fractures. The search was conducted electronically and manually from the following databases: Medline and Science Direct. The search period included articles from 2003 to 2015. The selection included only original adult human research written in English. Titles were retrieved and the same two authors independently selected the relevant studies for a full text. The retrieved selected studies were also reviewed completing the search for relevant articles. The first search included 904 titles from which 253 titles were selected. The agreement on the selection among researchers resulted in a Kappa statistic of 0.95 (p < 0.000). Only 248 abstracts evaluated were included in the acronym PICOST. The final selection included only 28 studies, derived from the systematic search. Additionally, a manual search in the bibliography of the selected articles was made and included into the text and into the section of "small molecules of new agents." CONCLUSION Treatment with biologic drugs is associated with the decrease in bone loss. Studies with anti-TNF blocking agents show preservation or increase in spine and hip BMD and also a better profile of bone markers. Most of these studies were performed with infliximab. Only three epidemiological studies analyzed the effect on fractures after anti-TNF blocking agent's treatment. IL-6 blocking agents also showed improvement in localized bone loss not seen with anti-TNF agents. There are a few studies with rituximab and abatacept. Although several studies reported favorable actions of biologic therapies on bone protection, there are still unmet needs for studies regarding their actions on the risk of bone fractures.
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Affiliation(s)
- C A F Zerbini
- Centro Paulista de Investigação Clínica, Rua Moreira e Costa, 342-Ipiranga, São Paulo, SP, 04266-010, Brazil.
| | - P Clark
- Hospital Infantil Federico Gómez-Faculty of Medicine UNAM, Ciudad de México D.F, Mexico
| | - L Mendez-Sanchez
- Hospital Infantil Federico Gómez-Faculty of Medicine UNAM, Ciudad de México D.F, Mexico
| | - R M R Pereira
- Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - O D Messina
- IRO Clinical Research Center Buenos Aires, Buenos Aires, Argentina
| | - C R Uña
- IRO Clinical Research Center Buenos Aires, Buenos Aires, Argentina
| | - J D Adachi
- Actavis Chair for Better Bone Health in Rheumatology, Hamilton, ON, Canada
| | - W F Lems
- Amsterdam Rheumatology and Immunology Centre, VU University Medical Centre, Amsterdam, The Netherlands
| | - C Cooper
- MRC Lifecourse Epidemiology Unit, Southampton, UK
- Faculty of Medicine, University of Southampton, Southampton, UK
- University of Oxford, Oxford, UK
| | - N E Lane
- Center for Musculoskeletal Health, Sacramento, CA, USA
- UC Davis Health System, University of California, Sacramento, CA, USA
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Yamakawa M, Ouhara K, Kajiya M, Munenaga S, Kittaka M, Yamasaki S, Takeda K, Takeshita K, Mizuno N, Fujita T, Sugiyama E, Kurihara H. Porphyromonas gingivalis infection exacerbates the onset of rheumatoid arthritis in SKG mice. Clin Exp Immunol 2016; 186:177-189. [PMID: 27465496 DOI: 10.1111/cei.12847] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2016] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies have linked periodontitis to rheumatoid arthritis (RA). Porphyromonas gingivalis (Pg) was reported recently to produce citrullinated protein (CP) and increase anti-cyclic CP antibody (ACPA), both of which have been identified as causative factors of RA. In the present study, we determined the effects of Pg infection on the exacerbation of RA in a mouse model. RA model mice (SKG mice) were established by an intraperitoneal (i.p.) injection of laminarin (LA). Mice were divided into six groups, Ctrl (PBS injection), LA (LA injection), Pg/LA (Pg + LA injection), Pg (Pg injection), Ec/LA (Escherichia coli and LA injection) and Ec (E. coli injection). In order to evaluate RA, joint swelling by the arthritis score, bone morphology by microcomputed tomography (microCT), haematoxylin and eosin staining, ACPA, matrix metalloproteinase-3 (MMP-3) and cytokine level in serum by enzyme-linked immunosorbent assay were determined. Osteoclast differentiation from bone marrow mononuclear cells (BMCs) was examined to clarify the underlying mechanisms of RA. The presence of Pg and CP in joint tissue was also investigated. The arthritis score was threefold higher in the Pg/LA group than in the LA group. Severe bone destruction was observed in joint tissue of the Pg/LA group. A microCT analysis of the Pg/LA group revealed a decrease in bone density. ACPA, MMP-3, interleukin (IL)-2, IL-6, CXCL1 and macrophage inflammatory protein (MIP)-1α levels from the Pg/LA group were the highest. The osteoclastogenesis of BMCs was enhanced in the Pg/LA group. Furthermore, large amounts of Pg components and CP were detected in the Pg/LA group. In conclusion, Pg infection has the potential to exacerbate RA.
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Affiliation(s)
- M Yamakawa
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - K Ouhara
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University.
| | - M Kajiya
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - S Munenaga
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - M Kittaka
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - S Yamasaki
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Hiroshima, Japan
| | - K Takeda
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - K Takeshita
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - N Mizuno
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - T Fujita
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
| | - E Sugiyama
- Department of Clinical Immunology and Rheumatology, Hiroshima University Hospital, Hiroshima, Japan
| | - H Kurihara
- Department of Periodontal Medicine, Division of Applied Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University
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Sood S, Brownlie RJ, Garcia C, Cowan G, Salmond RJ, Sakaguchi S, Zamoyska R. Loss of the Protein Tyrosine Phosphatase PTPN22 Reduces Mannan-Induced Autoimmune Arthritis in SKG Mice. THE JOURNAL OF IMMUNOLOGY 2016; 197:429-40. [PMID: 27288531 PMCID: PMC4932175 DOI: 10.4049/jimmunol.1502656] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 05/05/2016] [Indexed: 01/31/2023]
Abstract
The cytoplasmic phosphatase, protein tyrosine phosphatase nonreceptor type 22 (PTPN22), is a negative regulator of T cell signaling. Genome-wide association studies have shown that single-nucleotide polymorphisms in PTPN22 confer an increased risk of developing multiple autoimmune diseases in humans. The precise function of PTPN22 and how the variant protein contributes to autoimmunity is not well understood. To address this issue, we investigated the effect of PTPN22 deficiency on disease susceptibility in a mouse model of autoimmune arthritis. The SKG mouse expresses a hypomorphic mutant allele of ZAP70, which, upon exposure to fungal Ags, predisposes the mice to a CD4+ T cell–mediated autoimmune arthritis that closely resembles rheumatoid arthritis in humans. Surprisingly, SKG Ptpn22−/− mice developed less severe mannan-induced arthritis compared with SKG mice. Diminution of disease was not due to significant alterations in thymocyte development or repertoire selection in SKG Ptpn22−/− mice, even though T cell–mediated signal transduction was improved. Instead, Ptpn22 deficiency appeared to bias CD4 Th cell differentiation away from the Th17 lineage, which is pathogenic in this setting, to a more Th1/T regulatory–focused response. These data show that even small perturbations in TCR signal transduction pathways can have profound consequences on the differentiation of T cell lineages and thus for the development of autoimmune diseases.
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Affiliation(s)
- Shatakshi Sood
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
| | - Rebecca J Brownlie
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
| | - Celine Garcia
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
| | - Graeme Cowan
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
| | - Robert J Salmond
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
| | - Shimon Sakaguchi
- Experimental Immunology, Immunology Frontier Research Center, Osaka University, Suita 565-0871, Japan
| | - Rose Zamoyska
- Institute of Immunology and Infection Research, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3FL, United Kingdom; and
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Lai Y, Dong C. Therapeutic antibodies that target inflammatory cytokines in autoimmune diseases. Int Immunol 2016; 28:181-8. [PMID: 26545932 PMCID: PMC4889878 DOI: 10.1093/intimm/dxv063] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 10/18/2015] [Indexed: 12/13/2022] Open
Abstract
Inflammatory cytokines are key regulators of immune responses. Persistent and excessive production of inflammatory cytokines underscores the development of autoimmune diseases. Therefore, neutralizing inflammatory cytokines or antagonizing their receptor function is considered as a useful therapeutic strategy to treat autoimmune diseases. To achieve the success of such a strategy, understanding of the complex actions of these cytokines and cytokine networks is required. In this review we focus on four inflammatory cytokines--tumor necrosis factor α (TNFα), interleukin-6 (IL-6), IL-23 and IL-17--and dissect how the dysregulation of these cytokines regulates autoimmune diseases. On the basis of pre-clinical and clinical data, we specifically discuss the therapeutic rationale for targeting these cytokines and describe the potential adverse effects.
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Affiliation(s)
- Yuping Lai
- Shanghai Key Laboratory of Regulatory Biology, School of Life Science, East China Normal University, No.500 Minhang Dongchuan Road, Shanghai 200241, China
| | - Chen Dong
- Institute for Immunology, Tsinghua University, Medical Research Building D330, No.30 Haidian Shuangqing Road, Beijing 100084, China
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43
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Biscetti F, Flex A, Pecorini G, Angelini F, Arena V, Stigliano E, Gremese E, Tolusso B, Ferraccioli G. The role of high-mobility group box protein 1 in collagen antibody-induced arthritis is dependent on vascular endothelial growth factor. Clin Exp Immunol 2016; 184:62-72. [PMID: 26671547 DOI: 10.1111/cei.12758] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 12/10/2015] [Accepted: 12/11/2015] [Indexed: 11/29/2022] Open
Abstract
High-mobility group box 1 (HMGB1) has been implicated in angiogenesis and rheumatoid arthritis (RA). The aim of this study was to define more clearly the role of HMGB1 in the synovial angiogenesis and pathogenesis of an immune model of arthritis. BALB/c mice were injected with monoclonal anti-collagen antibody cocktail followed by lipopolysaccharide to induce arthritis. HMGB1 and vascular endothelial growth factor (VEGF) were over-expressed in the areas of the synovium where more inflammation and neoangiogenesis were present. The selective blockade of HMGB1 or VEGF resulted alternatively in a lower severity of arthritis evaluated by the arthritis index. Furthermore, exogenous HMGB1 administration caused a worsening of arthritis, associated with VEGF up-regulation and increased synovial angiogenesis. The selective inhibition of VEGF also resulted in no induction of arthritis in mice receiving exogenous HMGB1. Cytokine enzyme-linked immunosorbent assay (ELISA) analyses performed on peripheral blood and synovial fluid demonstrated a significant reduction of interleukin (IL)-1β, IL-6 and tumour necrosis factor (TNF)-α in mice where HMGB1 and VEGF pathways were blocked. Interestingly, the selective blockade of HMGB1 and VEGF resulted in an increase of the peripheral IL-17A concentration. The development of arthritis mediated by HMGB1 and the synovial angiogenesis can be blocked by inhibiting the VEGF activity. The proinflammatory and proangiogenic cytokine IL-17A was increased when HMGB1 is inhibited, but the synovial angiogenesis was nevertheless reduced in this model of arthritis. Taken together, these findings shed new light on the role of this nuclear protein in the pathogenesis of arthritis in an RA-like model.
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Affiliation(s)
- F Biscetti
- Division of Rheumatology, Institute of Rheumatology and Affine Sciences, Catholic University of the Sacred Heart.,Laboratory of Vascular Biology and Genetics, Department of Medicine, Catholic University School of Medicine
| | - A Flex
- Laboratory of Vascular Biology and Genetics, Department of Medicine, Catholic University School of Medicine
| | - G Pecorini
- Laboratory of Vascular Biology and Genetics, Department of Medicine, Catholic University School of Medicine
| | - F Angelini
- Laboratory of Vascular Biology and Genetics, Department of Medicine, Catholic University School of Medicine
| | - V Arena
- Department of Pathology, Catholic University of the Sacred Heart, Rome, Italy
| | - E Stigliano
- Department of Pathology, Catholic University of the Sacred Heart, Rome, Italy
| | - E Gremese
- Division of Rheumatology, Institute of Rheumatology and Affine Sciences, Catholic University of the Sacred Heart
| | - B Tolusso
- Division of Rheumatology, Institute of Rheumatology and Affine Sciences, Catholic University of the Sacred Heart
| | - G Ferraccioli
- Division of Rheumatology, Institute of Rheumatology and Affine Sciences, Catholic University of the Sacred Heart
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44
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Zhu Y, Zou L, Liu YC. T follicular helper cells, T follicular regulatory cells and autoimmunity. Int Immunol 2015; 28:173-9. [PMID: 26714592 DOI: 10.1093/intimm/dxv079] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2015] [Accepted: 12/11/2015] [Indexed: 12/24/2022] Open
Abstract
CD4(+)T follicular helper (Tfh) cells are recognized as a distinct T-cell subset, which provides help for germinal center (GC) formation, B-cell development and affinity maturation, and immunoglobulin class switching, as an indispensable part of adaptive immunity. Tfh cell differentiation depends on various factors including cell-surface molecule interactions, extracellular cytokines and multiple transcription factors, with B-cell lymphoma 6 (Bcl-6) being the master regulator. T follicular regulatory (Tfr) cells are also located in the GC and share phenotypic characteristics with Tfh cells and regulatory T cells, but function as negative regulators of GC responses. Dysregulation of either Tfh or Tfr cells is linked to the pathogenesis of autoimmune diseases such as systemic lupus erythematosus. This review covers the basic Tfh and Tfr biology including their differentiation and function, and their close relationship with autoimmune diseases.
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Affiliation(s)
- Yangyang Zhu
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Le Zou
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Yun-Cai Liu
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China Division of Cell Biology, La Jolla Institute for Allergy and Immunology, 9420 Athena Circle Dr., La Jolla, CA 92130, USA
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45
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Lee EJ, Vance EE, Brown BR, Snow PS, Clowers JS, Sakaguchi S, Rosenzweig HL. Investigation of the relationship between the onset of arthritis and uveitis in genetically predisposed SKG mice. Arthritis Res Ther 2015; 17:218. [PMID: 26286534 PMCID: PMC4544812 DOI: 10.1186/s13075-015-0725-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 07/24/2015] [Indexed: 12/31/2022] Open
Abstract
Introduction Systemic rheumatic conditions are often accompanied by intraocular inflammatory disease (termed uveitis). Despite the frequent manifestation of uveitis with arthritis, very little is understood of the underlying mechanisms that mediate the eye’s susceptibility to disease. The genetically susceptible SKG mouse strain develops arthritis that arises from an inherent mutation that disrupts T-cell antigen receptor signal transduction and thymic selection. The ensuing T-cell–mediated disease is further modulated through exposure to microbial triggers. The purpose of this study was to elucidate how a genetically determined shift in the T-cell repertoire toward self-reactive T cells that drive arthritis influences uveitis in SKG mice. Methods SKG mice (BALB/c mice that harbor the W163C point mutation in zeta-chain-associated protein kinase 70 [i.e., ZAP-70]) were housed under arthritis-resistant, specific pathogen–free conditions. Arthritis was induced by intraperitoneal injection with fungal glucans (zymosan or curdlan). Arthritis onset and severity were evaluated by clinical scoring, histopathology and infrared imaging within the joints. Periocular traits involving blepharoconjunctivitis were evaluated by clinical scoring and histology. Eyes were evaluated for signs of anterior uveitis using intravital videomicroscopy to document cell-trafficking responses within the iris vasculature and stroma and by histology to detect inflammatory infiltrate and tissue damage within the anterior and posterior eye segments. Results Exposure to zymosan resulted in the predicted arthritic, sexually dimorphic phenotype in SKG mice. The eyes of SKG mice exhibited episodic intravascular cellular responses to zymosan or curdlan as indicated by significant increases in leukocyte–endothelium interactions akin to ocular vasculitis. However, despite the significant increase in early cell-trafficking responses, cellular infiltration into the iris stroma was not observed and histopathological signs indicative of a sustained uveitis were absent. Instead, eyes of SKG mice developed blepharoconjunctivitis that coincided with arthritis and exhibited sexual dimorphism. Conclusions This study underscores the complexity surrounding the pathogenesis of uveitis and its relationship with arthritis. The findings suggest that distinct mechanisms exist by which pathogenic autoimmune T cells target the eyes versus joints, which likely involves the environmental context but nonetheless should be taken into account in the identification and development of effective therapies for each organ. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0725-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ellen J Lee
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA. .,VA Portland Health Care System, Portland, OR, USA.
| | - Emily E Vance
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA. .,VA Portland Health Care System, Portland, OR, USA.
| | - Brieanna R Brown
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA. .,VA Portland Health Care System, Portland, OR, USA.
| | - Paige S Snow
- VA Portland Health Care System, Portland, OR, USA. .,School of Medicine, Oregon Health & Science University, Portland, OR, USA.
| | - Jenna S Clowers
- Department of Ophthalmology, Oregon Health & Science University, Portland, OR, USA. .,VA Portland Health Care System, Portland, OR, USA.
| | | | - Holly L Rosenzweig
- VA Portland Health Care System, Portland, OR, USA. .,Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR, USA.
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46
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Abstract
Pulmonary hypertension (PH) is a progressive lung disease characterized by elevated pressure in the lung vasculature, resulting in right-sided heart failure and premature death. The pathogenesis of PH is complex and multifactorial, involving a dysregulated autonomic nervous system and immune response. Inflammatory mechanisms have been linked to the development and progression of PH; however, these are usually restricted to systemic and/or local lung tissue. Inflammation within the CNS, often referred to as neuroinflammation involves activation of the microglia, the innate immune cells that are found specifically in the brain and spinal cord. Microglial activation results in the release of several cytokines and chemokines that trigger neuroinflammation, and has been implicated in the pathogenesis of several disease conditions such as Alzheimer's, Parkinson's, hypertension, atherosclerosis, and metabolic disorders. In this review, we introduce the concept of neuroinflammation in the context of PH, and discuss possible strategies that could be developed for PH therapy based on this concept.
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47
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Hill EV, Ng THS, Burton BR, Oakley CM, Malik K, Wraith DC. Glycogen synthase kinase-3 controls IL-10 expression in CD4(+) effector T-cell subsets through epigenetic modification of the IL-10 promoter. Eur J Immunol 2015; 45:1103-15. [PMID: 25627813 PMCID: PMC4405077 DOI: 10.1002/eji.201444661] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 12/09/2014] [Accepted: 01/23/2015] [Indexed: 01/07/2023]
Abstract
The serine/threonine kinase glycogen synthase kinase-3 (GSK3) plays an important role in balancing pro- and anti-inflammatory cytokines. We have examined the role of GSK3 in production of IL-10 by subsets of CD4+ T helper cells. Treatment of naive murine CD4+ T cells with GSK3 inhibitors did not affect their production of IL-10. However, treatment of Th1 and Th2 cells with GSK3 inhibitors dramatically increased production of IL-10. GSK3 inhibition also led to upregulation of IL-10 among Th1, Th2, and Th17 subsets isolated from human blood. The encephalitogenic potential of GSK3 inhibitor treated murine Th1 cells was significantly reduced in adoptive transfer experiments by an IL-10-dependent mechanism. Analysis of the murine IL-10 promoter in response to inhibition of GSK3 in Th1 cells showed modification to a transcriptionally active state indicated by changes in histone H3 acetylation and methylation. Additionally, GSK3 inhibition increased expression of the transcription factors c-Maf, Nfil3, and GATA3, correlating with the increase in IL-10. These findings are important in the context of autoimmune disease since they show that it is possible to reprogram disease-causing cells through GSK3 inhibition.
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Affiliation(s)
- Elaine V Hill
- School of Cellular and Molecular Medicine, University of BristolBristol, UK
- Full correspondence Dr. Elaine V. Hill, School of Cellular and Molecular Medicine, Medical Sciences Building, University of Bristol, BS8 1TD, UK, e-mail:
| | - T H Sky Ng
- School of Cellular and Molecular Medicine, University of BristolBristol, UK
| | - Bronwen R Burton
- School of Cellular and Molecular Medicine, University of BristolBristol, UK
| | - Charly M Oakley
- School of Cellular and Molecular Medicine, University of BristolBristol, UK
| | - Karim Malik
- Cancer Epigenetics Lab, School of Cellular and Molecular Medicine, University of BristolBristol, UK
| | - David C Wraith
- School of Cellular and Molecular Medicine, University of BristolBristol, UK
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48
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Th17 differentiation and their pro-inflammation function. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 841:99-151. [PMID: 25261206 DOI: 10.1007/978-94-017-9487-9_5] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
CD4(+) T helper cells are classical but constantly reinterpreted T-cell subset, playing critical roles in a diverse range of inflammatory responses or diseases. Depending on the cytokines they release and the immune responses they mediate, CD4(+) T cells are classically divided into two major cell populations: Th1 and Th2 cells. However, recent studies challenged this Th1/Th2 paradigm by discovering several T-helper cell subsets with specific differentiation program and functions, including Th17 cells, Treg cells, and Tfh cells. In this chapter, we summarize the current understanding and recent progresses on the Th17 lineage differentiation and its effector impacts on variety of inflammatory responses or disease pathogenesis.
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49
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Byun JK, Moon SJ, Jhun JY, Kim EK, Park JS, Youn J, Min JK, Park SH, Kim HY, Cho ML. Rebamipide attenuates autoimmune arthritis severity in SKG mice via regulation of B cell and antibody production. Clin Exp Immunol 2014; 178:9-19. [PMID: 24749771 DOI: 10.1111/cei.12355] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2014] [Indexed: 02/05/2023] Open
Abstract
Oxidative stress is involved in the pathophysiology of rheumatoid arthritis (RA). We investigated the therapeutic potential of rebamipide, a gastroprotective agent with a property of reactive oxygen species scavenger, on the development of inflammatory polyarthritis and the pathophysiological mechanisms by which rebamipide might confer anti-arthritic effects in SKG mice, an animal model of RA. Intraperitoneal (i.p.) injection of rebamipide attenuated the severity of clinical and histological arthritis. Rebampide treatment reduced the number of T helper type 1 (Th1), Th2, Th17, inducible T cell co-stimulator (ICOS)(+) follicular helper T (Tfh) transitional type (T2) and mature B cells in the spleen, but increased the number of regulatory T (Treg ), CD19(+) CD1d(high) CD5(high) , CD19(+) CD25(high) forkhead box protein 3 (FoxP3)(+) regulatory B (Breg ) cells, memory B cells, and transitional type 1 (T1) B cells. In addition, flow cytometric analysis revealed significantly decreased populations of FAS(+) GL-7(+) germinal centre B cells and B220(-) CD138(+) plasma cells in the spleens of rebamipide-treated SKG mice compared to controls. Rebamipide decreased germinal centre B cells and reciprocally induced Breg cells in a dose-dependent manner in vitro. Rebamipide-induced Breg cells had more suppressive capacity in relation to T cell proliferation and also inhibited Th17 differentiation from murine CD4(+) T cells. Together, these data show that i.p. administration of rebamipide suppresses arthritis severity by inducing Breg and Treg cells and suppressing Tfh and Th17 cells in a murine model of RA.
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Affiliation(s)
- J-K Byun
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, The Catholic University of Korea, Seoul, Korea; Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Nakamura T, Kushida T, Okamoto N, Oe K, Ikeura A, Li M, Ikehara S, Iida H. Induction of autoimmune arthritis after direct injection of bone marrow cells from arthritis-prone SKG/Jcl mice into bone cavity of normal mice. Biol Pharm Bull 2014; 37:1719-26. [PMID: 25366477 DOI: 10.1248/bpb.b14-00302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
SKG/Jcl (SKG) mice spontaneously develop T cell-mediated autoimmune arthritis and may be an effective model for studying human rheumatoid arthritis. We sought to confirm that arthritis in SKG mice was caused by stem cell disorders. We induced systemic arthritis in normal C57/BL6 (B6) mice (H-2(b) type) by injecting lineage-negative (lin(-)) immature cells isolated from bone marrow cells (BMCs) of SKG mice (H-2(d) type) directly into bone cavities. Twenty weeks later, we analyzed arthritis scores, hematoxylin-eosin (H-E) staining and tartrate-resistant acid phosphatase (TRAP) staining in ankle joints, H-2 type of hematolymphoid and osteoblast-like cells, serum levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) and percentages of CD4(+) T cells and osteoblast-like cells expressing receptor activator of nuclear factor kappa-B ligand (RANKL) in recipient mice. Donor-derived hematolymphoid cells and osteoblast-like cells had completely replaced donor-derived cells in the recipients (H-2(b) to H-2(d)). All recipients showed severe joint swelling with hyperemia and developed hypertrophic synovitis with lymphocytes accumulated around joints. All recipients also had higher TNF-α and IL-6 levels than untreated B6 controls. Furthermore, the percentages of CD4(+) T cells and osteoblast-like cells expressing RANKL and the number of TRAP(+) cells were greater in treated animals. Donor-derived hematolymphoid cells and osteoblast-like cells persisted in these recipients and promoted autoimmune arthritis and an increase in osteoclasts. Because autoimmune arthritis may be associated with abnormal lin(-) immature cells, patients with intractable autoimmune arthritis may be treated by replacing these cells with direct injection of lin(-) immature cells isolated from normal BMCs.
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