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Pinto-Tasende JA, Fernandez-Moreno M, Rego Perez I, Fernandez-Lopez JC, Oreiro-Villar N, De Toro Santos FJ, Blanco-García FJ. Higher Synovial Immunohistochemistry Reactivity of IL-17A, Dkk1, and TGF-β1 in Patients with Early Psoriatic Arthritis and Rheumatoid Arthritis Could Predict the Use of Biologics. Biomedicines 2024; 12:815. [PMID: 38672170 PMCID: PMC11048598 DOI: 10.3390/biomedicines12040815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 03/28/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Delay in diagnosis and therapy in patients with arthritis commonly leads to progressive articular damage. The study aimed to investigate the immunohistochemical reactivity of synovial cytokines associated with inflammation and the bone erosives/neoformatives processes among individuals diagnosed with psoriatic arthritis (PsA), rheumatoid arthritis (RA), osteoarthritis (OA), and radiographic axial spondyloarthritis (r-axSpA), with the intention of identifying potential biomarkers. METHODS Specimens were collected from the inflamed knee joints of patients referred for arthroscopic procedures, and the synovial tissue (ST) was prepared for quantifying protein expression through immunohistochemical analysis (% expressed in Ratio_Area-Intensity) for TGF-β1, IL-17A, Dkk1, BMP2, BMP4, and Wnt5b. The collected data underwent thorough analysis and examination of their predictive capabilities utilising receiver operating characteristic (ROC) curves. RESULTS Valid synovial tissue samples were acquired from 40 patients for IHC quantification analysis. Initially, these patients had not undergone treatment with biologics. However, after 5 years, 4 out of 13 patients diagnosed with PsA and two out of nine patients diagnosed with RA had commenced biologic treatments. Individuals with early PsA who received subsequent biologic treatment exhibited significantly elevated IHC reactivity in ST for TGF-β1 (p = 0.015). Additionally, patients with both PsA and RA who underwent biologic therapy displayed increased IHC reactivity for IL-17A (p = 0.016), TGF-β1 (p = 0.009), and Dkk1 (p = 0.042). ROC curve analysis of IHC reactivity for TGF-β1, Dkk1, and IL-17A in the synovial seems to predict future treatment with biologics in the next 5 years with the area under the curve (AUC) of a combined sum of the three values: AUC: 0.828 (95% CI: 0.689-0.968; p 0.005) S 75% E 84.4%. CONCLUSIONS Higher synovial immunohistochemistry reactivity of IL-17A, Dkk1, and TGF-β1 in patients with early psoriatic arthritis and rheumatoid arthritis may serve as potential indicators for predicting the necessity of utilising biologic treatments.
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Affiliation(s)
- Jose A. Pinto-Tasende
- Department of Rheumatology, Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, Universidade de A Coruña, 15006 A Coruña, Spain; (J.C.F.-L.); (N.O.-V.); (F.J.D.T.S.); (F.J.B.-G.)
| | - Mercedes Fernandez-Moreno
- Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (M.F.-M.); (I.R.P.)
| | - Ignacio Rego Perez
- Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, 15006 A Coruña, Spain; (M.F.-M.); (I.R.P.)
| | - J. Carlos Fernandez-Lopez
- Department of Rheumatology, Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, Universidade de A Coruña, 15006 A Coruña, Spain; (J.C.F.-L.); (N.O.-V.); (F.J.D.T.S.); (F.J.B.-G.)
| | - Natividad Oreiro-Villar
- Department of Rheumatology, Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, Universidade de A Coruña, 15006 A Coruña, Spain; (J.C.F.-L.); (N.O.-V.); (F.J.D.T.S.); (F.J.B.-G.)
| | - F. Javier De Toro Santos
- Department of Rheumatology, Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, Universidade de A Coruña, 15006 A Coruña, Spain; (J.C.F.-L.); (N.O.-V.); (F.J.D.T.S.); (F.J.B.-G.)
| | - Francisco J. Blanco-García
- Department of Rheumatology, Institute of Biomedical Research of A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña, Universidade de A Coruña, 15006 A Coruña, Spain; (J.C.F.-L.); (N.O.-V.); (F.J.D.T.S.); (F.J.B.-G.)
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Belal A, Zaky MY, Mohamed DS, Mohamed EE, Mahmoud R, Essam D, Atta RR, Abo El-Ela FI, Mohamed Halfaya F, Lee KT, Hassan AHE, Ghoneim MM, Farghali A. A study on the therapeutic potential of graphene titanate nanocomposite for treating chemically induced arthritis in rats. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2023; 51:590-603. [PMID: 37902268 DOI: 10.1080/21691401.2023.2268653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023]
Abstract
Nanotechnology holds substantial promise in the innovative therapies for rheumatoid arthritis (RA). The current study was designed to synthesize and characterize a new graphene titanate nanocomposite (GTNc) and explore its anti-arthritic, anti-inflammatory, and antioxidant potencies against Complete Freund's adjuvant (CFA)-induced arthritis in rats, as well as investigate the underlying molecular mechanisms. Our characterization methods included XRD, FT-IR, SEM, EDX, zeta potential, practical size, and XRF to characterize the novel GTNc. Our findings revealed that arthritic rats treated with GTNc exhibited lower levels of RF, CRP, IL-1β, TNF-α, IL-17, and ADAMTS-5, and higher levels of IL-4 and TIMP-3. In arthritic rats, GTNc reduced LPO levels while increasing GSH content and GST antioxidant activity. Additionally, GTNc decreased the expression of the TGF-β mRNA gene in arthritic rats. Histopathological investigation showed that GTNc reduced inflammatory cell infiltration, cartilage degradation, and bone destruction in joint injuries caused by CFA in the arthritic rats. Collectively, the anti-arthritic, anti-inflammatory, and antioxidant properties of GTNc appear promising for future arthritis treatments and bone disability research.
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Affiliation(s)
- Amany Belal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Mohamed Y Zaky
- Molecular Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
- UPMC Hillman Cancer Center, Division of Hematology and Oncology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Doaa S Mohamed
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Eman E Mohamed
- Molecular Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Rehab Mahmoud
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Doaa Essam
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - R R Atta
- Department of Chemistry, Faculty of Science, Damietta University, Damietta, Egypt
| | - Fatma I Abo El-Ela
- Department of Pharmacology, Faculty of Veterinary Medicine, Beni-Suef University, Egypt
| | - Fatma Mohamed Halfaya
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Beni-SuefUniversity, Beni-Suef, Egypt
| | - Kyung-Tae Lee
- Department of Pharmaceutical Biochemistry, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
- Department of Life and Biomedical and Pharmaceutical Sciences, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Ahmed H E Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
- Medicinal Chemistry Laboratory, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Mohammed M Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
- Pharmacognosy and Medicinal Plants Department, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Ahmed Farghali
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Egypt
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Xie J, Xu J, Chen H. Regulatory mechanisms of miR-212-3p on the secretion of inflammatory factors in monocyte-macrophages and the directed differentiation into osteoclasts in ankylosing spondylitis. Aging (Albany NY) 2023; 15:13411-13421. [PMID: 38019469 PMCID: PMC10713416 DOI: 10.18632/aging.205249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/15/2023] [Indexed: 11/30/2023]
Abstract
To explore the mechanisms of action of micro ribonucleic acid (miR)-212-3p in the secretion of inflammatory factors in monocyte-macrophages and the directed differentiation into osteoclasts (OCs) in ankylosing spondylitis (AS), proteoglycan was used to establish an AS mouse model. The mouse monocyte-macrophages were cultured in vitro, transfected with miR-212-3p mimic, and added with phosphorylated-extracellular signal-regulated kinase (p-ERK)1/2 agonist Ro67-7476 in vitro. After the cells were transfected with the miR-212-3p mimic in each group, the expressions of p-ERK1/2, matrix metalloproteinase-1 (MMP-1), MMP-3, interleukin-1β (IL-1β), and tumor necrosis factor-α (TNF-α) significantly declined, whereas those of tartrate-resistant acid phosphatase (TRAP), calcitonin, and p-nuclear factor of activated T cell 1 (NFATC1) significantly rose. After Ro67-7476 was added, the protein expressions of p-ERK1/2, MMP-1, MMP-3, IL-1β, and TNF-α were significantly increased in each group, but they displayed decreasing trends in cells transfected with the miR-212-3p mimic. In contrast, the protein expressions of TRAP, calcitonin, and p-NFATC1 declined, but they showed increasing trends in cells transfected with the miR-212-3p mimic. miR-212-3p can, through inhibiting the phosphorylation of p-ERK1/2, prevent the aggregation of macrophages and the secretion of inflammatory factors. It also up-regulates the expression of OC marker proteins to facilitate the differentiation and maturation of OCs, ultimately relieving AS-induced inflammation and new bone growth-induced joint neoplasm.
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Affiliation(s)
- Jianli Xie
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jinrong Xu
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haiying Chen
- Department of Rheumatic Immunology, The Third Hospital of Hebei Medical University, Shijiazhuang, China
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Weng W, Zhang Y, Gui L, Chen J, Zhu W, Liang Z, Wu Z, Liang Y, Xie J, Wei Q, Liao Z, Gu J, Pan Y, Jiang Y. PKM2 promotes proinflammatory macrophage activation in ankylosing spondylitis. J Leukoc Biol 2023; 114:595-603. [PMID: 37192369 DOI: 10.1093/jleuko/qiad054] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/31/2023] [Accepted: 05/01/2023] [Indexed: 05/18/2023] Open
Abstract
Macrophages play a critical role in ankylosing spondylitis by promoting autoimmune tissue inflammation through various effector functions. The inflammatory potential of macrophages is highly influenced by their metabolic environment. Here, we demonstrate that glycolysis is linked to the proinflammatory activation of human blood monocyte-derived macrophages in ankylosing spondylitis. Specifically, ankylosing spondylitis macrophages produced excessive inflammation, including TNFα, IL1β, and IL23, and displayed an overactive status by exhibiting stronger costimulatory signals, such as CD80, CD86, and HLA-DR. Moreover, we found that patient-derived monocyte-derived M1-type macrophages (M1 macrophages) exhibited intensified glycolysis, as evidenced by a higher extracellular acidification rate. Upregulation of PKM2 and GLUT1 was observed in ankylosing spondylitis-derived monocytes and monocyte-derived macrophages, especially in M1 macrophages, indicating glucose metabolic alteration in ankylosing spondylitis macrophages. To investigate the impact of glycolysis on macrophage inflammatory ability, we treated ankylosing spondylitis M1 macrophages with 2 inhibitors: 2-deoxy-D-glucose, a glycolysis inhibitor, and shikonin, a PKM2 inhibitor. Both inhibitors reduced proinflammatory function and reversed the overactive status of ankylosing spondylitis macrophages, suggesting their potential utility in treating the disease. These data place PKM2 at the crosstalk between glucose metabolic changes and the activation of inflammatory macrophages in patients with ankylosing spondylitis.
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Affiliation(s)
- Weizhen Weng
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Yanli Zhang
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Lian Gui
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Jingrong Chen
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Weihang Zhu
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Zhenguo Liang
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Zhongming Wu
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Yao Liang
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Jiewen Xie
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Qiujing Wei
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Zetao Liao
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Jieruo Gu
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Yunfeng Pan
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
| | - Yutong Jiang
- Department of Rheumatology and Immunology, Third Affiliated Hospital of Sun Yat-sen University, 600 Tianhe Road, Tianhe District, Guangzhou, China
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Lee BW, Moon SJ. Inflammatory Cytokines in Psoriatic Arthritis: Understanding Pathogenesis and Implications for Treatment. Int J Mol Sci 2023; 24:11662. [PMID: 37511421 PMCID: PMC10381020 DOI: 10.3390/ijms241411662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
Psoriatic arthritis (PsA) is a persistent, inflammatory disease that affects individuals with psoriasis, arthritis, and enthesitis. Research has demonstrated that inflammatory cytokines such as tumor necrosis factor-alpha (TNF-α), interleukin-23 (IL-23), and interleukin-17 (IL-17) play a pivotal role in both the onset and progression of PsA. These cytokines are generated by activated immune cells and stimulate the attraction of inflammatory cells to the synovium and joint tissues, resulting in the deterioration of cartilage and bone. The blocking of these cytokines has become a successful treatment strategy for PsA, as biological drugs that inhibit TNF-α, IL-23, and IL-17 have demonstrated notable clinical benefits. The association between PsA and other types of inflammatory cytokines or chemokines, excluding TNF-α, IL-23, and IL-17, has been extensively investigated in numerous studies. These findings may provide a chance for the discovery of novel therapeutic agents targeting other molecules, distinct from the currently approved biologics and targeted synthetic disease-modifying anti-rheumatic drugs. In this review, we discuss the current understanding of the role of inflammatory cytokines in PsA pathogenesis and clinical implications of targeting these cytokines for PsA treatment.
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Affiliation(s)
- Bong-Woo Lee
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Su-Jin Moon
- Division of Rheumatology, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 07345, Republic of Korea
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Nawaz S, Muhammad Irfan H, Akram M, Jahan S. Linalool: Monoterpene alcohol effectiveness in chronic synovitis through lowering Interleukin-17, spleen and thymus indices. Int Immunopharmacol 2023; 121:110517. [PMID: 37348232 DOI: 10.1016/j.intimp.2023.110517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 06/07/2023] [Accepted: 06/13/2023] [Indexed: 06/24/2023]
Abstract
Interleukin-17 has a positive role in the initial induction and late chronic phases of many inflammatory disorders like arthritis. This cytokine has a strong option for therapeutic targeting due to the fact that it was found in the inflamed joints of individual with rheumatoid arthritis (RA) and persuasive evidence from experimental arthritis models indicating its pro-inflammatory actions. IL-17 suppression lessened the asperity of arthritis. The present study aimed to assess the anti-arthritic potential of linalool in a model of chronic joint inflammation (CFA-mediated rheumatoid arthritis) in rats. Linalool markedly lowered spleen and thymus indices as opposed to arthritic control. The over-formation of IL-17, COX-2, TNF-α IL-1β, iNOS and IL-6 were markedly impaired in all linalool treated rats, but IL-10 was raised as compared to arthritic animals in Real time-PCR. There was reduction in associated parameters like paw volume, arthritic index, mobility score, and flexion pain score and a marked increase in stance score in CFA model as compared to the arthritic control group. Furthermore, there was improvement in body weight, hematological, tissue, and radiological parameters in the CFA-model. Molecular docking study exhibited strong binding interaction of linalool with IL-17, PGE-2, iNOS and COX-2, thus providing a good correlation among experimental and theoretical results. The current findings show that linalool reduces adjuvant arthritis by suppressing pro-inflammatory mediators, arthritic development, and spleen and thymus indices. Thus, linalool may be employed therapeutically to alleviate arthritis in humans.
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Affiliation(s)
- Shoaib Nawaz
- College of Pharmacy University of Sargodha, Sargodha, Pakistan
| | | | - Muhammad Akram
- College of Pharmacy University of Sargodha, Sargodha, Pakistan
| | - Shah Jahan
- Department of Immunology, University of Health Sciences, Lahore 54600, Pakistan
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Schmidt T, Dahlberg A, Berthold E, Król P, Arve-Butler S, Rydén E, Najibi SM, Mossberg A, Bengtsson AA, Kahn F, Månsson B, Kahn R. Synovial monocytes contribute to chronic inflammation in childhood-onset arthritis via IL-6/STAT signalling and cell-cell interactions. Front Immunol 2023; 14:1190018. [PMID: 37283752 PMCID: PMC10239926 DOI: 10.3389/fimmu.2023.1190018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/10/2023] [Indexed: 06/08/2023] Open
Abstract
Introduction Monocytes are key effector cells in inflammatory processes. We and others have previously shown that synovial monocytes in childhood-onset arthritis are activated. However, very little is known about how they contribute to disease and attain their pathological features. Therefore, we set out to investigate the functional alterations of synovial monocytes in childhood-onset arthritis, how they acquire this phenotype, and whether these mechanisms could be used to tailorize treatment. Methods The function of synovial monocytes was analysed by assays believed to reflect key pathological events, such as T-cell activation-, efferocytosis- and cytokine production assays using flow cytometry in untreated oligoarticular juvenile idiopathic arthritis (oJIA) patients (n=33). The effect of synovial fluid on healthy monocytes was investigated through mass spectrometry and functional assays. To characterize pathways induced by synovial fluid, we utilized broad-spectrum phosphorylation assays and flow cytometry, as well as inhibitors to block specific pathways. Additional effects on monocytes were studied through co-cultures with fibroblast-like synoviocytes or migration in transwell systems. Results Synovial monocytes display functional alterations with inflammatory and regulatory features, e.g., increased ability to induce T-cell activation, resistance to cytokine production following activation with LPS and increased efferocytosis. In vitro, synovial fluid from patients induced the regulatory features in healthy monocytes, such as resistance to cytokine production and increased efferocytosis. IL-6/JAK/STAT signalling was identified as the main pathway induced by synovial fluid, which also was responsible for a majority of the induced features. The magnitude of synovial IL-6 driven activation in monocytes was reflected in circulating cytokine levels, reflecting two groups of low vs. high local and systemic inflammation. Remaining features, such as an increased ability to induce T-cell activation and markers of antigen presentation, could be induced by cell-cell interactions, specifically via co-culture with fibroblast-like synoviocytes. Conclusions Synovial monocytes in childhood-onset arthritis are functionally affected and contribute to chronic inflammation, e.g., via promoting adaptive immune responses. These data support a role of monocytes in the pathogenesis of oJIA and highlight a group of patients more likely to benefit from targeting the IL-6/JAK/STAT axis to restore synovial homeostasis.
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Affiliation(s)
- Tobias Schmidt
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Alma Dahlberg
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Elisabet Berthold
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Petra Król
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Sabine Arve-Butler
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Emilia Rydén
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Seyed Morteza Najibi
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Anki Mossberg
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
| | - Anders A. Bengtsson
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Fredrik Kahn
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Lund, Sweden
| | - Bengt Månsson
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Robin Kahn
- Department of Pediatrics, Clinical Sciences Lund, Lund University, Lund, Sweden
- Wallenberg Center for Molecular Medicine, Lund University, Lund, Sweden
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Fatica M, D’Antonio A, Novelli L, Triggianese P, Conigliaro P, Greco E, Bergamini A, Perricone C, Chimenti MS. How Has Molecular Biology Enhanced Our Undertaking of axSpA and Its Management. Curr Rheumatol Rep 2023; 25:12-33. [PMID: 36308677 PMCID: PMC9825525 DOI: 10.1007/s11926-022-01092-4] [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] [Accepted: 05/23/2022] [Indexed: 01/11/2023]
Abstract
PURPOSE This review aims at investigating pathophysiological mechanisms in spondyloarthritis (SpA). Analysis of genetic factors, immunological pathways, and abnormalities of bone metabolism lay the foundations for a better understanding of development of the axial clinical manifestations in patients, allowing physician to choose the most appropriate therapeutic strategy in a more targeted manner. RECENT FINDINGS In addition to the contribution of MHC system, findings emerged about the role of non-HLA genes (as ERAP1 and 2, whose inhibition could represent a new therapeutic approach) and of epigenetic mechanisms that regulate the expression of genes involved in SpA pathogenesis. Increasing evidence of bone metabolism abnormalities secondary to the activation of immunological pathways suggests the development of various bone anomalies that are present in axSpA patients. SpA are a group of inflammatory diseases with a multifactorial origin, whose pathogenesis is linked to the genetic predisposition, the action of environmental risk factors, and the activation of immune response. It is now well known how bone metabolism leads to long-term structural damage via increased bone turnover, bone loss and osteoporosis, osteitis, erosions, osteosclerosis, and osteoproliferation. These effects can exist in the same patient over time or even simultaneously. Evidence suggests a cross relationship among innate immunity, autoimmunity, and bone remodeling in SpA, making treatment approach a challenge for rheumatologists. Specifically, treatment targets are consistently increasing as new drugs are upcoming. Both biological and targeted synthetic drugs are promising in terms of their efficacy and safety profile in patients affected by SpA.
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Affiliation(s)
- Mauro Fatica
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Arianna D’Antonio
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Lucia Novelli
- UniCamillus, Saint Camillus International University of Health Sciences, Rome, Italy
| | - Paola Triggianese
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Paola Conigliaro
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Elisabetta Greco
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Alberto Bergamini
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Carlo Perricone
- Rheumatology, Department of Medicine, University of Perugia, Perugia, Italy
| | - Maria Sole Chimenti
- Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
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Xanthones from Securidaca inappendiculata Hassk. attenuate collagen-induced arthritis in rats by inhibiting the nicotinamide phosphoribosyltransferase/glycolysis pathway and macrophage polarization. Int Immunopharmacol 2022; 111:109137. [PMID: 36001918 DOI: 10.1016/j.intimp.2022.109137] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/02/2022] [Accepted: 08/05/2022] [Indexed: 11/24/2022]
Abstract
Securidaca inappendiculata (SI) Hassk. is a traditional medicine used to treat rheumatoid arthritis. Recent studies have reported that macrophages are the primary regulators of joint homeostasis and their polarization is closely related to their metabolic mode. Here, we aimed to investigate the relationship between the joint protective effect of SI's xanthone-rich fraction (XRF) on collagen-induced arthritis (CIA) in rats and the nicotinamide phosphoribosyltransferase (NAMPT)-glycolysis-polarization axis of macrophages. CIA model rats were treated with oral XRF and therapeutic efficacy was assessed based on arthritis score, degree of paw swelling, histological examination, and immunohistochemical analysis. Serum levels of cytokines, cellular metabolite concentrations, and protein and mRNA expression were determined by enzyme-linked immunosorbent assay (ELISA), western blotting (WB), and quantitative real-time PCR (RT-qPCR), respectively. The effects of dihydroxy-3,4-dimethoxyxanthone (XAN), a representative SI-derived compound, on RAW264.7 macrophages was analyzed in vitro using confocal laser scanning and flow cytometry. We found that XRF treatment significantly alleviated disease severity in CIA model rats. Levels of pro-inflammatory cytokines in the serum and M1 markers in synovium were reduced after XRF treatment, accompanied by an increase in the levels of anti-inflammatory cytokines and M2 markers. Further, XRF significantly suppressed synovial glycolysis by regulating NAMPT. In vitro studies further showed that XAN induced repolarization of lipopolysaccharide (LPS)-induced RAW264.7 macrophages with M1-M2 phenotype. Moreover, XAN negatively regulated glycolysis in the LPS-induced RAW264.7 macrophages in correlation with changes in NAMPT expression. Overall, the findings of this study suggest that the joint protective effects of XRF are achieved by inhibiting the NAMPT/glycolysis pathway and thereby regulating macrophage polarization.
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10
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Nerolidol: a potential approach in rheumatoid arthritis through reduction of TNF-α, IL-1β, IL-6, NF-kB, COX-2 and antioxidant effect in CFA-induced arthritic model. Inflammopharmacology 2022; 30:537-548. [PMID: 35212850 DOI: 10.1007/s10787-022-00930-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 02/01/2022] [Indexed: 11/05/2022]
Abstract
Rheumatoid arthritis is primarily associated with inflammation and increased level of proinflammatory cytokines which are released by immune cells, macrophages or activation of arachidonic acid metabolism. The expression of these cytokines, oxidative free radicals and the activation of COX-2 enzymes are crucial targets for chronic inflammation. On the basis of established anti-inflammatory efficacy of nerolidol, the primary study was further appraised to determine its approach against Freund's complete adjuvant (CFA) rheumatoid model. Arthritis was induced by inoculation of 0.1 mL CFA injection into the left hind footpad of rats. Anti-arthritic potential of nerolidol (at 200, 400 and 800 mg/kg doses) was assessed by measuring the paw volume, body weight, serum analysis, histopathological and radiographs of ankle joints. Expressions of cytokine's panels such as IL-10, IL-4, COX-2, NF-kB, TNF-α, IL-6, PGE-2 and IL-1β were determined by real-time qPCR. Antioxidant enzyme analyses were conducted by measuring the SOD, POD and catalase activity from serum and equated with arthritic control group. Nerolidol prevented body weight loss, stabilized biochemical and haematological homeostasis and significantly reduced the paw volume. Furthermore, X-ray and histopathological assessment of ankle joints showed an improvement in the joint structure of rats treated with nerolidol. Besides that, overexpression of gene pointers like TNF-α, IL-1β, IL-6, NF-kB, PGE-2 and COX-2 in CFA-treated control rats were also reversed with nerolidol. This anti-arthritic mechanism was further supported by the increased level of IL-10, IL-4 and serum antioxidant activity. The present findings demonstrate that nerolidol reduced adjuvant arthritis by downregulating the proinflammatory cytokines and upregulating the aforementioned anti-inflammatory cytokines and may be used as a therapeutic substance for the management of human rheumatoid arthritis.
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Martínez-Ramos S, Rafael-Vidal C, Pego-Reigosa JM, García S. Monocytes and Macrophages in Spondyloarthritis: Functional Roles and Effects of Current Therapies. Cells 2022; 11:cells11030515. [PMID: 35159323 PMCID: PMC8834543 DOI: 10.3390/cells11030515] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 01/27/2023] Open
Abstract
Spondyloarthritis (SpA) is a family of chronic inflammatory diseases, being the most prevalent ankylosing spondylitis (AS) and psoriatic arthritis (PsA). These diseases share genetic, clinical and immunological features, such as the implication of human leukocyte antigen (HLA) class I molecule 27 (HLA-B27), the inflammation of peripheral, spine and sacroiliac joints and the presence of extra-articular manifestations (psoriasis, anterior uveitis, enthesitis and inflammatory bowel disease). Monocytes and macrophages are essential cells of the innate immune system and are the first line of defence against external agents. In rheumatic diseases including SpA, the frequency and phenotypic and functional characteristics of both cell types are deregulated and are involved in the pathogenesis of these diseases. In fact, monocytes and macrophages play key roles in the inflammatory processes characteristics of SpA. The aim of this review is analysing the characteristics and functional roles of monocytes and macrophages in these diseases, as well as the impact of different current therapies on these cell types.
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Affiliation(s)
- Sara Martínez-Ramos
- Rheumatology & Immuno-Mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36312 Vigo, Spain; (S.M.-R.); (C.R.-V.); (J.M.P.-R.)
- Rheumatology Department, University Hospital Complex of Vigo, 36214 Vigo, Spain
| | - Carlos Rafael-Vidal
- Rheumatology & Immuno-Mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36312 Vigo, Spain; (S.M.-R.); (C.R.-V.); (J.M.P.-R.)
- Rheumatology Department, University Hospital Complex of Vigo, 36214 Vigo, Spain
| | - José M. Pego-Reigosa
- Rheumatology & Immuno-Mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36312 Vigo, Spain; (S.M.-R.); (C.R.-V.); (J.M.P.-R.)
- Rheumatology Department, University Hospital Complex of Vigo, 36214 Vigo, Spain
| | - Samuel García
- Rheumatology & Immuno-Mediated Diseases Research Group (IRIDIS), Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36312 Vigo, Spain; (S.M.-R.); (C.R.-V.); (J.M.P.-R.)
- Rheumatology Department, University Hospital Complex of Vigo, 36214 Vigo, Spain
- Correspondence: ; Tel.: +34-986-217-463
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12
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Cao Y, Liu J, Huang C, Tao Y, Wang Y, Chen X, Huang D. Wilforlide A ameliorates the progression of rheumatoid arthritis by inhibiting M1 macrophage polarization. J Pharmacol Sci 2022; 148:116-124. [PMID: 34924115 DOI: 10.1016/j.jphs.2021.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/27/2021] [Accepted: 10/11/2021] [Indexed: 12/13/2022] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease with increased M1 macrophages. The classical activated M1 macrophages produce various cytokines to control inflammation. Wilforlide A is a natural product that displays anti-inflammatory activities. However, the effect of Wilforlide A on RA progression and the potential mechanisms are unclear. Herein, the collagen-induced arthritis (CIA) mouse was used as an experimental model of RA. The administration of Wilforlide A reduced clinical scores, joint swelling and histological damage in ankle joints of RA mice. The secreted pro-inflammatory factors (MCP1, GM-CSF and M-CSF) and M1 biomarker iNOS in synovium were inhibited by Wilforlide A. In vitro, macrophages deriving from THP-1 cells were stimulated with LPS/IFN-γ to mimic M1 polarization. Similarly, Wilforlide A blocked macrophages polarizing towards M1 subsets. The in vitro results demonstrated that Wilforlide A suppressed LPS/IFN-γ-induced TLR4 upregulation, IκBα degradation and NF-κB p65 activation. In addition, TAK242 (a TLR4 inhibitor) treatment caused a similar inhibitory effect on M1 polarization with Wilforlide A, whereas it was less than the combination of TAK242 and Wilforlide A. Therefore, this work supports that Wilforlide A ameliorates M1 macrophage polarization in RA, which is partially mediated by TLR4/NF-κB signaling pathway inactivation.
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Affiliation(s)
- Yunxiang Cao
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
| | - Jian Liu
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China.
| | - Chuanbing Huang
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
| | - Yanhong Tao
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
| | - Yuan Wang
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
| | - Xi Chen
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
| | - Dan Huang
- Department of Rheumatology, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (TCM), Hefei, Anhui, 230031, China
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13
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Cao F, Huang C, Cheng J, He Z. β-arrestin-2 alleviates rheumatoid arthritis injury by suppressing NLRP3 inflammasome activation and NF- κB pathway in macrophages. Bioengineered 2021; 13:38-47. [PMID: 34787064 PMCID: PMC8805973 DOI: 10.1080/21655979.2021.2003678] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory joint disorder that inflicts damage to the joints of the hands and wrist. The aim of this study was to investigate the protective effect of β-Arrestin-2 (βArr2) on RA in vivo and in vitro. The βArr2 adenovirus (βArr2-Ad) or the control (Con-Ad) was injected into the ankle joint cavity of collagen-induced arthritis (CIA) mice. According to the results, an improvement was shown in the symptoms and pathological injury of RA after an upregulation of βArr2. Correspondingly, the inflammatory response was attenuated, as evidenced by the decreased serum pro-inflammatory cytokines levels and NF-κB pathway-related proteins. Nucleotide-binding domain leucine-rich repeat and pyrin domain containing receptor 3 (NLRP3) inflammasome activation was inhibited in CIA mice treated with βArr2-Ad injection, as reflected by the diminished IL-18 level and declined protein levels of inflammasome components in the ankle joint. Likewise, the anti-inflammatory effect of macrophages was also validated by in vitro experiments. In summary, βArr2 effectively ameliorates ankle inflammation in CIA mice via NF-κB/NLRP3 inflammasome, providing theoretical and clinical basis for RA therapy.
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Affiliation(s)
- Feng Cao
- Department of Orthopedics, No. 906 Hospital of Joint Logistic Support Force of PLA, Ningbo, Zhejiang, China
| | - Cheng Huang
- Department of Orthopedics, No. 906 Hospital of Joint Logistic Support Force of PLA, Ningbo, Zhejiang, China
| | - Jiwei Cheng
- Department of Orthopedics, No. 906 Hospital of Joint Logistic Support Force of PLA, Ningbo, Zhejiang, China
| | - Zhaochun He
- Department of Rheumatoid Immunity, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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Xu Z, Zeng H, Liu Z, Jin K, Chang Y, Wang Y, Liu L, Zhu Y, Xu L, Wang Z, Guo J, Xu J. Poor clinical outcomes and immunoevasive contexture in SIRPα + tumor-associated macrophages enriched muscle-invasive bladder cancer patients. Urol Oncol 2021; 40:109.e11-109.e20. [PMID: 34600802 DOI: 10.1016/j.urolonc.2021.08.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 07/31/2021] [Accepted: 08/28/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVES In tumor immune microenvironment, the functions of tumor-associated macrophages (TAMs), including phagocytosis and immunomodulatory, have attracted increasing attention recently. With the discovery of CD47-signal regulatory protein-α (SIRPα) as "don't eat me" signaling pathway, the role of novel subpopulation of TAMs expressing SIRPα has not been fully elucidated in a wide spectrum of solid tumors including bladder cancer. In this study, we investigated the prognostic and predictive implication of SIRPα+ TAMs regarding clinical outcomes and adjuvant chemotherapeutic benefit in muscle-invasive bladder cancer (MIBC), and preliminarily characterized the phenotypic features of SIRPα+ TAMs and its relationship with immune contexture. MATERIALS AND METHODS A total of 141 histochemical MIBC samples from Zhongshan Hospital (ZS), 45 fresh tissue samples, and 391 MIBC patients from TCGA database were enrolled in this study. SIRPα+ TAMs was evaluated by immunohistochemical staining of CD68 and SIRPα, and flow cytometry fluorescence staining. RESULTS Our results illustrated that SIRPα+ TAMs were enriched in MIBC specimens. Patients with high SIRPα+ TAMs infiltration suffered significant poor overall survival and recurrence-free survival (P = 0.0030 and P = 0.0282). SIRPα+ TAMs infiltration was an independent prognosticator in multivariate Cox model. Moreover, adjuvant chemotherapy (ACT) application showed significantly survival benefit in patients with low SIRPα+ TAMs infiltration (P = 0.0135). SIRPα+ TAMs with suppressive phenotype exhibited a positive correlation with immune tolerance and dysfunctional CD8+ T cells in MIBC. CONCLUSIONS SIRPα+ TAMs infiltration indicated poor prognosis and ACT resistance in MIBC. Immunosuppressive SIRPα+ TAMs is closely related to immune evasion with exhausted T cells states, suggesting the prospect of SIRPα+ TAMs as a potential therapeutic target in MIBC.
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Affiliation(s)
- Ziang Xu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Han Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Zhaopei Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Kaifeng Jin
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yuan Chang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yiwei Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Liu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Le Xu
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zewei Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Jianming Guo
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China.
| | - Jiejie Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China.
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15
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Han C, Yang Y, Sheng Y, Wang J, Zhou X, Li W, Guo L, Zhang C, Ye Q. Glaucocalyxin B inhibits cartilage inflammatory injury in rheumatoid arthritis by regulating M1 polarization of synovial macrophages through NF-κB pathway. Aging (Albany NY) 2021; 13:22544-22555. [PMID: 34580236 PMCID: PMC8507279 DOI: 10.18632/aging.203567] [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: 08/16/2021] [Accepted: 09/07/2021] [Indexed: 12/14/2022]
Abstract
Background: Glaucocalyxin B (Gla B) is a type of sesquiterpenoids. At present, there are rare studies on the pharmacological effects and targets of sesquiterpenoids, while multiple sesquiterpenoids have good anti-inflammatory properties. Therefore, in this study, we aimed to investigate the mechanism of Gla B on macrophages and rheumatoid arthritis. Methods: LPS/IFN-γ was used to induce M1 polarization of synovial macrophage (SMG) in vitro, followed by Gla B pretreatment (5 μM and 15 μM). Afterwards, flow cytometry was performed to detect the proportion of M1 cells (F4/80+CD86+), enzyme-linked immunosorbent assay (ELISA) was used to determine the expression levels of M1 cell markers (TNF-α, IL-1β, IL-6, iNOS and IL-12) as well as M2 cell markers (IL-10 and TGF- β1), immunofluorescence (IF) staining was utilized to measure the expression of CD86, the level of ROS was assessed by probe and Western blot was conducted to detect the expression of P65 and p-P65. M1 polarization was detected in SMG cells with P65 silencing after 15 μM Gla B intervention. The culture medium from M1 cell was used to culture cartilage cells in vitro, followed by detection of cartilage cell injury. In animal models, collagen antibodies and LPS were combined to induce RA mouse model. Afterwards, H and E staining was performed to detect pathological changes in mouse joint synovium, safranin O-fast green staining was used to determine cartilage injury, and immunohistochemistry was utilized to detect CD86 and P65 expression. Small molecule-protein docking and co-immunoprecipitation (Co-IP) were used to verify the targeted binding relationship between Gal B and P65. Results: LPS and IFN-γ could induce M1 polarization in SMG. Gal B could inhibit M1 polarization, decrease the levels of TNF-α, IL-1β, IL-6, iNOS and IL-12, inhibit the expression of P65 and p-P65 while did not affect the expression of IL-10 or TGF-β1. Gal B had no significant effect in SMG cells with P65 silencing. The small molecule-protein docking and Co-IP both showed that Gal B had a targeted binding relationship with P65, and Gal B could inhibit joint injury and inflammation in mice. Conclusion: Gal B could target the P65 protein. Moreover, Gal B could inhibit the inflammatory injury of articular cartilage in RA by regulating M1 polarization of SMG through inhibiting the NF-κB signaling.
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Affiliation(s)
- Chenyang Han
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Yi Yang
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Yongjia Sheng
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Jin Wang
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Xiaohong Zhou
- Department of Center Laboratory, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Wenyan Li
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Li Guo
- Department of Center Laboratory, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Caiqun Zhang
- Department of Pharmacy, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
| | - Qiao Ye
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Jiaxing University, Zhejiang, China
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16
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Ross EA, Devitt A, Johnson JR. Macrophages: The Good, the Bad, and the Gluttony. Front Immunol 2021; 12:708186. [PMID: 34456917 PMCID: PMC8397413 DOI: 10.3389/fimmu.2021.708186] [Citation(s) in RCA: 156] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 07/27/2021] [Indexed: 12/16/2022] Open
Abstract
Macrophages are dynamic cells that play critical roles in the induction and resolution of sterile inflammation. In this review, we will compile and interpret recent findings on the plasticity of macrophages and how these cells contribute to the development of non-infectious inflammatory diseases, with a particular focus on allergic and autoimmune disorders. The critical roles of macrophages in the resolution of inflammation will then be examined, emphasizing the ability of macrophages to clear apoptotic immune cells. Rheumatoid arthritis (RA) is a chronic autoimmune-driven spectrum of diseases where persistent inflammation results in synovial hyperplasia and excessive immune cell accumulation, leading to remodeling and reduced function in affected joints. Macrophages are central to the pathophysiology of RA, driving episodic cycles of chronic inflammation and tissue destruction. RA patients have increased numbers of active M1 polarized pro-inflammatory macrophages and few or inactive M2 type cells. This imbalance in macrophage homeostasis is a main contributor to pro-inflammatory mediators in RA, resulting in continual activation of immune and stromal populations and accelerated tissue remodeling. Modulation of macrophage phenotype and function remains a key therapeutic goal for the treatment of this disease. Intriguingly, therapeutic intervention with glucocorticoids or other DMARDs promotes the re-polarization of M1 macrophages to an anti-inflammatory M2 phenotype; this reprogramming is dependent on metabolic changes to promote phenotypic switching. Allergic asthma is associated with Th2-polarised airway inflammation, structural remodeling of the large airways, and airway hyperresponsiveness. Macrophage polarization has a profound impact on asthma pathogenesis, as the response to allergen exposure is regulated by an intricate interplay between local immune factors including cytokines, chemokines and danger signals from neighboring cells. In the Th2-polarized environment characteristic of allergic asthma, high levels of IL-4 produced by locally infiltrating innate lymphoid cells and helper T cells promote the acquisition of an alternatively activated M2a phenotype in macrophages, with myriad effects on the local immune response and airway structure. Targeting regulators of macrophage plasticity is currently being pursued in the treatment of allergic asthma and other allergic diseases. Macrophages promote the re-balancing of pro-inflammatory responses towards pro-resolution responses and are thus central to the success of an inflammatory response. It has long been established that apoptosis supports monocyte and macrophage recruitment to sites of inflammation, facilitating subsequent corpse clearance. This drives resolution responses and mediates a phenotypic switch in the polarity of macrophages. However, the role of apoptotic cell-derived extracellular vesicles (ACdEV) in the recruitment and control of macrophage phenotype has received remarkably little attention. ACdEV are powerful mediators of intercellular communication, carrying a wealth of lipid and protein mediators that may modulate macrophage phenotype, including a cargo of active immune-modulating enzymes. The impact of such interactions may result in repair or disease in different contexts. In this review, we will discuss the origin, characterization, and activity of macrophages in sterile inflammatory diseases and the underlying mechanisms of macrophage polarization via ACdEV and apoptotic cell clearance, in order to provide new insights into therapeutic strategies that could exploit the capabilities of these agile and responsive cells.
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Affiliation(s)
- Ewan A Ross
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
| | - Andrew Devitt
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
| | - Jill R Johnson
- School of Biosciences, College of Health and Life Sciences, Aston University, Birmingham, United Kingdom
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17
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Wu CY, Yang HY, Huang JL, Lai JH. Signals and Mechanisms Regulating Monocyte and Macrophage Activation in the Pathogenesis of Juvenile Idiopathic Arthritis. Int J Mol Sci 2021; 22:ijms22157960. [PMID: 34360720 PMCID: PMC8347893 DOI: 10.3390/ijms22157960] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/18/2021] [Accepted: 07/20/2021] [Indexed: 12/13/2022] Open
Abstract
Monocytes (Mos) and macrophages (Mφs) are key players in the innate immune system and are critical in coordinating the initiation, expansion, and regression of many autoimmune diseases. In addition, they display immunoregulatory effects that impact inflammation and are essential in tissue repair and regeneration. Juvenile idiopathic arthritis (JIA) is an umbrella term describing inflammatory joint diseases in children. Accumulated evidence suggests a link between Mo and Mφ activation and JIA pathogenesis. Accordingly, topics regarding the signals and mechanisms regulating Mo and Mφ activation leading to pathologies in patients with JIA are of great interest. In this review, we critically summarize recent advances in the understanding of how Mo and Mφ activation is involved in JIA pathogenesis and focus on the signaling pathways and mechanisms participating in the related cell activation processes.
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Affiliation(s)
- Chao-Yi Wu
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (C.-Y.W.); (J.-L.H.)
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
| | - Huang-Yu Yang
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
- Department of Nephrology, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan
| | - Jing-Long Huang
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (C.-Y.W.); (J.-L.H.)
- College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
- Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei City 236, Taiwan
| | - Jenn-Haung Lai
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan
- National Defense Medical Center, Graduate Institute of Medical Science, Taipei 114, Taiwan
- Correspondence: ; Tel./Fax: +886-2-8791-8382
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19
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Kaaij MH, van Tok MN, Blijdorp IC, Ambarus CA, Stock M, Pots D, Knaup VL, Armaka M, Christodoulou-Vafeiadou E, van Melsen TK, Masdar H, Eskes HJPP, Yeremenko NG, Kollias G, Schett G, Tas SW, van Duivenvoorde LM, Baeten DLP. Transmembrane TNF drives osteoproliferative joint inflammation reminiscent of human spondyloarthritis. J Exp Med 2021; 217:151943. [PMID: 32662821 PMCID: PMC7537402 DOI: 10.1084/jem.20200288] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/22/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022] Open
Abstract
TNF plays a key role in immune-mediated inflammatory diseases including rheumatoid arthritis (RA) and spondyloarthritis (SpA). It remains incompletely understood how TNF can lead to different disease phenotypes such as destructive peripheral polysynovitis in RA versus axial and peripheral osteoproliferative inflammation in SpA. We observed a marked increase of transmembrane (tm) versus soluble (s) TNF in SpA versus RA together with a decrease in the enzymatic activity of ADAM17. In contrast with the destructive polysynovitis observed in classical TNF overexpression models, mice overexpressing tmTNF developed axial and peripheral joint disease with synovitis, enthesitis, and osteitis. Histological and radiological assessment evidenced marked endochondral new bone formation leading to joint ankylosis over time. SpA-like inflammation, but not osteoproliferation, was dependent on TNF-receptor I and mediated by stromal tmTNF overexpression. Collectively, these data indicate that TNF can drive distinct inflammatory pathologies. We propose that tmTNF is responsible for the key pathological features of SpA.
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Affiliation(s)
- Merlijn H Kaaij
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Melissa N van Tok
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Iris C Blijdorp
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Carmen A Ambarus
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Michael Stock
- Medizinische Klinik 3 - Rheumatologie und Immunologie, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Désiree Pots
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Véronique L Knaup
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Marietta Armaka
- Division of Immunology, Biomedical Sciences Research Center "Alexander Fleming," Vari, Greece.,Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Tessa K van Melsen
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Huriatul Masdar
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Harry J P P Eskes
- Department of Radiology, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Nataliya G Yeremenko
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - George Kollias
- Division of Immunology, Biomedical Sciences Research Center "Alexander Fleming," Vari, Greece.,Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georg Schett
- Medizinische Klinik 3 - Rheumatologie und Immunologie, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Sander W Tas
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Leonie M van Duivenvoorde
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
| | - Dominique L P Baeten
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands.,Department of Experimental Immunology, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, Netherlands
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20
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Ollewagen T, Myburgh KH, van de Vyver M, Smith C. Rheumatoid cachexia: the underappreciated role of myoblast, macrophage and fibroblast interplay in the skeletal muscle niche. J Biomed Sci 2021; 28:15. [PMID: 33658022 PMCID: PMC7931607 DOI: 10.1186/s12929-021-00714-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 02/11/2021] [Indexed: 12/24/2022] Open
Abstract
Although rheumatoid arthritis affects 1% of the global population, the role of rheumatoid cachexia, which occurs in up to a third of patients, is relatively neglected as research focus, despite its significant contribution to decreased quality of life in patients. A better understanding of the cellular and molecular processes involved in rheumatoid cachexia, as well as its potential treatment, is dependent on elucidation of the intricate interactions of the cells involved, such as myoblasts, fibroblasts and macrophages. Persistent RA-associated inflammation results in a relative depletion of the capacity for regeneration and repair in the satellite cell niche. The repair that does proceed is suboptimal due to dysregulated communication from the other cellular role players in this multi-cellular environment. This includes the incomplete switch in macrophage phenotype resulting in a lingering pro-inflammatory state within the tissues, as well as fibroblast-associated dysregulation of the dynamic control of the extracellular matrix. Additional to this endogenous dysregulation, some treatment strategies for RA may exacerbate muscle wasting and no multi-cell investigation has been done in this context. This review summarizes the most recent literature characterising clinical RA cachexia and links these features to the roles of and complex communication between multiple cellular contributors in the muscle niche, highlighting the importance of a targeted approach to therapeutic intervention.
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Affiliation(s)
- T Ollewagen
- Department of Physiological Sciences, Science Faculty, Stellenbosch University, Stellenbosch, South Africa
| | - K H Myburgh
- Department of Physiological Sciences, Science Faculty, Stellenbosch University, Stellenbosch, South Africa
| | - M van de Vyver
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa
| | - C Smith
- Division of Clinical Pharmacology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Parow, South Africa.
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21
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Fuentelsaz-Romero S, Cuervo A, Estrada-Capetillo L, Celis R, García-Campos R, Ramírez J, Sastre S, Samaniego R, Puig-Kröger A, Cañete JD. GM-CSF Expression and Macrophage Polarization in Joints of Undifferentiated Arthritis Patients Evolving to Rheumatoid Arthritis or Psoriatic Arthritis. Front Immunol 2021; 11:613975. [PMID: 33679701 PMCID: PMC7925849 DOI: 10.3389/fimmu.2020.613975] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 12/31/2020] [Indexed: 12/11/2022] Open
Abstract
Background and Aims GM-CSF-dependent macrophage polarization has been demonstrated in rheumatoid arthritis (RA). Our aim was to seek diagnostic/prognostic biomarkers for undifferentiated arthritis (UA) by analyzing GM-CSF expression and source, macrophage polarization and density in joints of patients with UA evolving to RA or PsA compared with established RA or PsA, respectively. Methods Synovial tissue (ST) from patients with UA evolving to RA (UA>RA, n=8), PsA (UA>PsA, n=9), persistent UA (UA, n=16), established RA (n=12) and PsA (n=10), and healthy controls (n=6), were analyzed. Cell source and quantitative expression of GM-CSF and proteins associated with pro-inflammatory (GM-CSF-driven) and anti-inflammatory (M-CSF-driven) macrophage polarization (activin A, TNFα, MMP12, and CD209, respectively) were assessed in ST CD163+ macrophages by multicolor immunofluorescence. GM-CSF and activin A levels were also quantified in paired synovial fluid samples. CD163+ macrophage density was determined in all groups by immunofluorescence. Results Synovial stromal cells (FAP+ CD90+ fibroblast, CD90+ endothelial cells) and CD163+ sublining macrophages were the sources of GM-CSF. ST CD163+ macrophages from all groups expressed pro-inflammatory polarization markers (activin A, TNFα, and MMP12). Expression of the M-CSF-dependent anti-inflammatory marker CD209 identified two macrophage subsets (CD163+ CD209high and CD163+ CD209low/-). CD209+ macrophages were more abundant in ST from healthy controls and PsA patients, although both macrophage subtypes showed similar levels of pro-inflammatory markers in all groups. In paired synovial fluid samples, activin A was detected in all patients, with higher levels in UA>RA and RA, while GM-CSF was infrequently detected. ST CD163+ macrophage density was comparable between UA>RA and UA>PsA patients, but significantly higher than in persistent UA. Conclusions GM-CSF is highly expressed by sublining CD90+ FAP+ synovial fibroblasts, CD90+ activated endothelium and CD163+ macrophages in different types of arthritis. The polarization state of ST macrophages was similar in all UA and established arthritis groups, with a predominance of pro-inflammatory GM-CSF-associated markers. CD163+ macrophage density was significantly higher in the UA phases of RA and PsA compared with persistent UA. Taken together, our findings support the idea that GM-CSF is a strong driver of macrophage polarization and a potential therapeutic target not only in RA but also in PsA and all types of UA.
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Affiliation(s)
- Sara Fuentelsaz-Romero
- Unidad de Inmuno-Metabolismo e Inflamación, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Andrea Cuervo
- Unidad de Artritis, Servicio de Reumatología, Hospital Clínic and IDIBAPS, Barcelona, Spain
| | - Lizbeth Estrada-Capetillo
- Unidad de Inmuno-Metabolismo e Inflamación, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Raquel Celis
- Unidad de Artritis, Servicio de Reumatología, Hospital Clínic and IDIBAPS, Barcelona, Spain
| | - Raquel García-Campos
- Unidad de Inmuno-Metabolismo e Inflamación, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Julio Ramírez
- Unidad de Artritis, Servicio de Reumatología, Hospital Clínic and IDIBAPS, Barcelona, Spain
| | - Sergi Sastre
- Sección de Artroscopia, Servicio de Cirugía Ortopédica y Traumatología, Hospital Clínic, Barcelona, Spain
| | - Rafael Samaniego
- Unidad de Microscopía Confocal, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Amaya Puig-Kröger
- Unidad de Inmuno-Metabolismo e Inflamación, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Juan D Cañete
- Unidad de Artritis, Servicio de Reumatología, Hospital Clínic and IDIBAPS, Barcelona, Spain
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22
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Wang S, Yang S, Lai X, Song Y, Hu L, Li C, Shi T, Liu X, Deng Y, Chen G. Sialic Acid Conjugate-Modified Liposomal Dexamethasone Palmitate Targeting Neutrophils for Rheumatoid Arthritis Therapy: Influence of Particle Size. AAPS PharmSciTech 2021; 22:16. [PMID: 33389218 DOI: 10.1208/s12249-020-01870-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 10/28/2020] [Indexed: 12/11/2022] Open
Abstract
Many anti-inflammatory therapies targeting neutrophils have been developed so far. A sialic acid (SA)-modified liposomal (SAL) formulation, based on the high expression of L-selectin in peripheral blood neutrophils (PBNs) and SA as its targeting ligand, has proved to be an effective neutrophil-mediated drug delivery system targeting rheumatoid arthritis (RA). The objective of this study was to investigate the influence of particle size of drug-carrying SALs transported and delivered by neutrophils on their anti-RA effect. Dexamethasone palmitate-loaded SALs (DP-SALs) of different particle sizes (300.2 ± 5.5 nm, 150.3 ± 4.3 nm, and 75.0 ± 3.9 nm) were prepared with DP as a model drug. Our study indicated that DP-SALs could efficiently target PBNs, with larger liposomes leading to higher drug accumulation in cells. However, a high intake of large DP-SALs by PBNs inhibited their migration ability and capacity to release the payload at the target site. In contrast, small DP-SALs (75.0 ± 3.9 nm) could maintain the drug delivery potential of PBNs, leading to their efficient accumulation at the inflammatory site, where PBNs would be excessively activated to form neutrophil extracellular traps along with efficient payload release (small DP-SALs) and finally to induce excellent anti-RA effect.
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23
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Schmidt T, Berthold E, Arve-Butler S, Gullstrand B, Mossberg A, Kahn F, Bengtsson AA, Månsson B, Kahn R. Children with oligoarticular juvenile idiopathic arthritis have skewed synovial monocyte polarization pattern with functional impairment-a distinct inflammatory pattern for oligoarticular juvenile arthritis. Arthritis Res Ther 2020; 22:186. [PMID: 32787920 PMCID: PMC7425414 DOI: 10.1186/s13075-020-02279-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 07/28/2020] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) is an umbrella term of inflammatory joint diseases in children. Oligoarthritis is the most common form in the Western world, representing roughly 60% of all patients. Monocytes and macrophages play an important role in adult arthritides, but their role in oligoarticular JIA is less studied. Polarization highly influences monocytes' and macrophages' effector functions, broadly separated into pro-inflammatory M1 or anti-inflammatory M2 phenotypes. Here, we set out to investigate the polarization pattern and functional aspects of synovial monocytes in oligoarticular juvenile idiopathic arthritis (JIA). METHODS Paired synovial fluid, blood samples (n = 13), and synovial biopsies (n = 3) were collected from patients with untreated oligoarticular JIA. Monocytes were analyzed for polarization markers by flow cytometry and qPCR. Effector function was analyzed by a phagocytosis assay. Polarization of healthy monocytes was investigated by stimulation with synovial fluid in vitro. Monocyte/macrophage distribution, polarization, and mRNA expression were investigated in biopsies by immunohistochemistry, immunofluorescence, and in situ hybridization. RESULTS Children with oligoarticular JIA have polarized synovial fluid monocytes of a specific M1(IFNγ)/M2(IL-4)-like pattern. This was evidenced by increased surface expression of CD40 (p < 0.001), CD86 (p < 0.001), and CD206 (p < 0.001), but not CD163, as compared to paired circulating monocytes. Additionally, polarization was extensively explored at the mRNA level and synovial fluid monocytes differentially expressed classical markers of M1(IFNγ)/M2(IL-4) polarization compared to circulating monocytes. Synovial fluid monocytes were functionally affected, as assessed by reduced capacity to phagocytose (p < 0.01). Synovial fluid induced M2 markers (CD16 and CD206), but not M1 (CD40) or CD86 in healthy monocytes and did not induce cytokine production. Single and co-expression of surface CD40 and CD206, as well as mRNA expression of IL-10 and TNF, was observed in monocytes/macrophages in synovial biopsies. CONCLUSION Children with untreated oligoarticular JIA have similar and distinct synovial fluid monocyte polarization pattern of mixed pro- and anti-inflammatory features. This pattern was not exclusively a result of the synovial fluid milieu as monocytes/macrophages in the synovial membrane show similar patterns. Our study highlights a distinct polarization pattern in oligoarticular JIA, which could be utilized for future treatment strategies.
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Affiliation(s)
- Tobias Schmidt
- Department of Pediatrics, Clinical Sciences Lund, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden.,Wallenberg Center for Molecular Medicine, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden
| | - Elisabet Berthold
- Wallenberg Center for Molecular Medicine, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden.,Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Sabine Arve-Butler
- Wallenberg Center for Molecular Medicine, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden.,Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Birgitta Gullstrand
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Anki Mossberg
- Department of Pediatrics, Clinical Sciences Lund, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden.,Wallenberg Center for Molecular Medicine, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden
| | - Fredrik Kahn
- Department of Infection Medicine, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Anders A Bengtsson
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Bengt Månsson
- Department of Rheumatology, Clinical Sciences Lund, Lund University, Lund, Sweden
| | - Robin Kahn
- Department of Pediatrics, Clinical Sciences Lund, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden. .,Wallenberg Center for Molecular Medicine, Lund University, BMC B13, Klinikgatan 26, 22185, Lund, Sweden.
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24
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Yang X, Chang Y, Wei W. Emerging role of targeting macrophages in rheumatoid arthritis: Focus on polarization, metabolism and apoptosis. Cell Prolif 2020; 53:e12854. [PMID: 32530555 PMCID: PMC7377929 DOI: 10.1111/cpr.12854] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/09/2020] [Accepted: 05/14/2020] [Indexed: 12/17/2022] Open
Abstract
Macrophages maintain a dynamic balance in physiology. Various known or unknown microenvironmental signals influence the polarization, activation and death of macrophages, which creates an imbalance that leads to disease. Rheumatoid arthritis (RA) is characterized by the massive infiltration of a variety of chronic inflammatory cells in synovia. Abundant activated macrophages found in RA synovia are an early hallmark of RA, and the number of these macrophages can be decreased after effective treatment. In RA, the proportion of M1 (pro‐inflammatory macrophages) is higher than that of M2 (anti‐inflammatory macrophages). The increased pro‐inflammatory ability of macrophages is related to their excessive activation and proliferation as well as an enhanced anti‐apoptosis ability. At present, there are no clinical therapies specific to macrophages in RA. Understanding the mechanisms and functional consequences of the heterogeneity of macrophages will aid in confirming their potential role in inflammation development. This review will outline RA‐related macrophage properties (focus on polarization, metabolism and apoptosis) as well as the origin of macrophages. The molecular mechanisms that drive macrophage properties also be elucidated to identify novel therapeutic targets for RA and other autoimmune disease.
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Affiliation(s)
- Xuezhi Yang
- Institute of Clinical Pharmacology, Key Laboratory of Anti-inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Anhui Medical University, Hefei, China
| | - Yan Chang
- Institute of Clinical Pharmacology, Key Laboratory of Anti-inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Anhui Medical University, Hefei, China
| | - Wei Wei
- Institute of Clinical Pharmacology, Key Laboratory of Anti-inflammatory and Immune Medicine (Anhui Medical University), Ministry of Education, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Anhui Medical University, Hefei, China
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25
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Dai SP, Hsieh WS, Chen CH, Lu YH, Huang HS, Chang DM, Huang SL, Sun WH. TDAG8 deficiency reduces satellite glial number and pro-inflammatory macrophage number to relieve rheumatoid arthritis disease severity and chronic pain. J Neuroinflammation 2020; 17:170. [PMID: 32471455 PMCID: PMC7257243 DOI: 10.1186/s12974-020-01851-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 05/21/2020] [Indexed: 11/12/2022] Open
Abstract
Background The autoimmune disease rheumatoid arthritis (RA) affects approximately 1% of the global population. RA is characterized with chronic joint inflammation and often associated with chronic pain. The imbalance of pro-inflammatory and anti-inflammatory macrophages is a feature of RA progression. Glial cells affecting neuronal sensitivity at both peripheral and central levels may also be important for RA progression and associated pain. Genetic variants in the T cell death-associated gene 8 (TDAG8) locus are found to associate with spondyloarthritis. TDAG8 was also found involved in RA disease progression and associated hyperalgesia in the RA mouse model. However, its modulation in RA remains unclear. Methods To address this question, we intra-articularly injected complete Freund’s adjuvant (CFA) into TDAG8+/+, TDAG8−/− or wild-type mice, followed by pain behavioral tests. Joints and dorsal root ganglia were taken, sectioned, and stained with antibodies to observe the number of immune cells, macrophages, and satellite glial cells (SGCs). For compound treatments, compounds were intraperitoneally or orally administered weekly for 9 consecutive weeks after CFA injection. Results We demonstrated that TDAG8 deletion slightly reduced RA pain in the early phase but dramatically attenuated RA progression and pain in the chronic phase (> 7 weeks). TDAG8 deletion inhibited an increase in SGC number and inhibition of SGC function attenuated chronic phase of RA pain, so TDAG8 could regulate SGC number to control chronic pain. TDAG8 deletion also reduced M1 pro-inflammatory macrophage number at 12 weeks, contributing to the attenuation of chronic RA pain. Such results were further confirmed by using salicylanilide derivatives, CCL-2d or LCC-09, to suppress TDAG8 expression and function. Conclusions This study demonstrates that TDAG8 deletion reduced SGC and M1 macrophage number to relieve RA disease severity and associated chronic pain. M1 macrophages are critical for the development and maintenance of RA disease and pain, but glial activation is also required for the chronic phase of RA pain.
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Affiliation(s)
- Shih-Ping Dai
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Wei-Shan Hsieh
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Chien-Hua Chen
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Yueh-Hao Lu
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan
| | - Hsu-Shan Huang
- Graduate Institute for Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Der-Ming Chang
- Division of Allergy, Immunology, Rheumatology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shir-Ly Huang
- Institute of Microbiology and Immunology, National Yang-Ming University, Taipei, Taiwan
| | - Wei-Hsin Sun
- Department of Life Sciences, National Central University, Jhongli, Taoyuan City, Taiwan. .,Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, Taipei, Taiwan.
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26
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Kung CC, Dai SP, Chiang H, Huang HS, Sun WH. Temporal expression patterns of distinct cytokines and M1/M2 macrophage polarization regulate rheumatoid arthritis progression. Mol Biol Rep 2020; 47:3423-3437. [PMID: 32277445 DOI: 10.1007/s11033-020-05422-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 04/03/2020] [Indexed: 02/06/2023]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic inflammation of synovial joints and often associated with chronic pain. Chronic joint inflammation is attributed to severe proliferation of synoviocytes and resident macrophages and infiltration of immune cells. These cells secrete pro-inflammatory cytokines such as tumor necrosis factor α (TNF-α), interleukin 6 (IL-6) and IL-17 to overcome actions of anti-inflammatory cytokines, thereby maintaining chronic inflammation and pain. The imbalance between pro-inflammatory cytokines (produced by M1 macrophages) and anti-inflammatory cytokines (produced by M2 macrophages) is a feature of RA progression, but the switch time of M1/M2 polarization and which receptor regulates the switch remain unsolved. Here we used an established RA mouse model to demonstrate that TNF-α expression was responsible for the initial acute stage of inflammation and pain (1-4 weeks), IL-17 expression the transition stage (4-12 weeks), and IL-6 expression the later maintenance stage (> 12 weeks). The switch time of M1/M2 polarization occurred at 4-8 weeks. We also identified a potential compound, anthra[2,1-c][1,2,5] thiadiazole-6,11-dione (NSC745885), that specifically inhibited T-cell death-associated gene 8 (TDAG8) function and expression. NSC745885 decreased joint inflammation and destruction and attenuated pain by reducing cytokine production and regulating the M1/M2 polarization switch. TDAG8 may participate in regulating the M1/M2 polarization and temporal expression of distinct cytokines to control RA progression.
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Affiliation(s)
- Chia-Chi Kung
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan.,Division of Anesthesiology, Fu Jen Catholic University Hospital, New Taipei City, Taiwan.,School of Medicine, College of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Shih-Ping Dai
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan
| | - Hao Chiang
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan
| | - Hsu-Shan Huang
- Graduated Institute of Cancer Biology and Drug Discovery, Taipei Medical University, Taipei City, Taiwan
| | - Wei-Hsin Sun
- Department of Life Sciences, Zhongli District, National Central University, Taoyuan City, Taiwan. .,Department of Life Sciences and Institute of Genome Sciences, National Yang-Ming University, No. 155, Sec2, Linong Street, Taipei, 112, Taiwan.
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27
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Chandran V, Rahman P. Predicting therapeutic response through biomarker analysis in psoriatic arthritis, an example of precision medicine. EXPERT REVIEW OF PRECISION MEDICINE AND DRUG DEVELOPMENT 2020. [DOI: 10.1080/23808993.2020.1724509] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Vinod Chandran
- Faculty of Medicine, University of Toronto, Toronto, Canada
- Division of Rheumatology, Department of Medicine, University of Toronto, Toronto, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada
- Institute of Medical Science, University of Toronto, Toronto, Canada
- Krembil Research Institute, University Health Network, Toronto, Canada
| | - Proton Rahman
- Division of Rheumatology, Department of Medicine, Memorial University, St. John’s, Newfoundland, Canada
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28
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Yang S, Ohe R, Aung NY, Kato T, Kabasawa T, Utsunomiya A, Takakubo Y, Takagi M, Yamakawa M. Comparative study of HO-1 expressing synovial lining cells between RA and OA. Mod Rheumatol 2020; 31:133-140. [PMID: 31829080 DOI: 10.1080/14397595.2019.1704976] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVES We aimed to clarify the characteristics of heme oxygenase (HO)-1 expressing cells in the synovium from rheumatoid arthritis (RA) and osteoarthritis (OA), and to investigate the co-expression of HO-1 and IgG-Fc/HLA-DR complex. METHODS The characteristics of HO-1 expressing cells in the synovium were investigated by using immunohistochemistry. The co-expression of HO-1 and IgG-Fc/HLA-DR complex was examined by an in situ proximity ligation assay (PLA) with immunofluorescence. HO-1 mRNA was investigated by reverse transcription-polymerase chain reaction. RESULTS The number of HO-1+ cells from the RA synovium is higher than that from OA synovium. The double positive cells of HO-1 and IgG-Fc/HLA-DR complex were detected by the in situ PLA with immunofluorescence in RA synovium. HO-1 mRNA was detected in both RA and OA synovium. CONCLUSION A portion of HO-1+ cells with IgG-Fc/HLA-DR complex in lining layer of RA may be concluded as one of antigen presenting cells in RA and may be involved in production of RF.
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Affiliation(s)
- Suran Yang
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan.,Faculty of Medicine, Department of Orthopedic Surgery, Yamagata University, Yamagata, Japan
| | - Rintaro Ohe
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Naing Ye Aung
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Tomoya Kato
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Takanobu Kabasawa
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Aya Utsunomiya
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
| | - Yuya Takakubo
- Faculty of Medicine, Department of Orthopedic Surgery, Yamagata University, Yamagata, Japan
| | - Michiaki Takagi
- Faculty of Medicine, Department of Orthopedic Surgery, Yamagata University, Yamagata, Japan
| | - Mitsunori Yamakawa
- Faculty of Medicine, Department of Pathological Diagnostics, Yamagata University, Yamagata, Japan
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29
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Chen S, Blijdorp IC, van Mens LJJ, Bowcutt R, Latuhihin TE, van de Sande MGH, Shaw S, Yeremenko NG, Baeten DLP. Interleukin 17A and IL-17F Expression and Functional Responses in Rheumatoid Arthritis and Peripheral Spondyloarthritis. J Rheumatol 2020; 47:1606-1613. [PMID: 31941804 DOI: 10.3899/jrheum.190571] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2019] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Targeting the interleukin 17 (IL-17) axis is efficacious in psoriasis and spondyloarthritis (SpA), but not in rheumatoid arthritis (RA). We investigated potential differences in tissue expression and function of IL-17A and IL-17F in these conditions. METHODS mRNA expression of cytokines and their receptors was assessed by quantitative PCR in psoriasis skin samples, in SpA and RA synovial tissue (ST) samples and in fibroblast-like synoviocytes (FLS). Cytokines were measured in synovial fluid (SF) and FLS supernatants by ELISA. FLS were stimulated with IL-17A or IL-17F cytokines supplemented with tumor necrosis factor (TNF), or with pooled SF from patients with SpA or RA. RESULTS Levels of IL-17A (P = 0.031) and IL-17F (P = 0.017) mRNA were lower in psoriatic arthritis ST compared to paired psoriasis skin samples. The level of IL-17A mRNA was 2.7-fold lower than that of IL-17F in skin (P = 0.0078), but 17.3-fold higher in ST (P < 0.0001). In SF, the level of IL-17A protein was 37.4-fold higher than that of IL-17F [median 292.4 (IQR 81.4-464.2) vs median 7.8 (IQR 7.7-8.7) pg/mL; P < 0.0001]. IL-17A and IL-17F mRNA and protein levels did not differ in SpA compared to RA synovitis samples, and neither were the IL-17 receptors IL-17RA and IL-17RC, or the TNF receptors TNFR1 and TNR2, differentially expressed between SpA and RA ST, nor between SpA and RA FLS. SpA and RA FLS produced similar amounts of IL-6 and IL-8 protein upon stimulation with IL-17A or IL-17F cytokines, supplemented with 1 ng/ml TNF. Pooled SpA or RA SF samples similarly enhanced the inflammatory response to IL-17A and IL-17F simulation in FLS. CONCLUSION The IL-17A/IL-17F expression ratio is higher in SpA synovitis compared to psoriasis skin. Expression of IL-17A and IL-17F, and the functional response to these cytokines, appear to be similar in SpA and RA synovitis.
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Affiliation(s)
- Sijia Chen
- S. Chen, MD, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, Department of Experimental Immunology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands, and Division of Rheumatology, Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Iris C Blijdorp
- I.C. Blijdorp, BSc, T.E. Latuhihin, BSc, N.G. Yeremenko, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, and Department of Experimental Immunology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Leonieke J J van Mens
- L.J. van Mens, MD, PhD, M.G. van de Sande, MD, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Rowann Bowcutt
- R. Bowcutt, PhD, S. Shaw, PhD, New Medicines, UCB Pharma, Slough, UK
| | - Talia E Latuhihin
- I.C. Blijdorp, BSc, T.E. Latuhihin, BSc, N.G. Yeremenko, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, and Department of Experimental Immunology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Marleen G H van de Sande
- L.J. van Mens, MD, PhD, M.G. van de Sande, MD, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Stevan Shaw
- R. Bowcutt, PhD, S. Shaw, PhD, New Medicines, UCB Pharma, Slough, UK
| | - Nataliya G Yeremenko
- I.C. Blijdorp, BSc, T.E. Latuhihin, BSc, N.G. Yeremenko, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, and Department of Experimental Immunology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Dominique L P Baeten
- D.L. Baeten, MD, PhD, Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center, University of Amsterdam, Amsterdam, Department of Experimental Immunology, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands, and New Medicines, UCB Pharma, Slough, UK.
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Macrophage M1/M2 polarization and rheumatoid arthritis: A systematic review. Autoimmun Rev 2019; 18:102397. [DOI: 10.1016/j.autrev.2019.102397] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 05/03/2019] [Indexed: 02/06/2023]
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Pabón-Porras MA, Molina-Ríos S, Flórez-Suárez JB, Coral-Alvarado PX, Méndez-Patarroyo P, Quintana-López G. Rheumatoid arthritis and systemic lupus erythematosus: Pathophysiological mechanisms related to innate immune system. SAGE Open Med 2019; 7:2050312119876146. [PMID: 35154753 PMCID: PMC8826259 DOI: 10.1177/2050312119876146] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 08/19/2019] [Indexed: 12/21/2022] Open
Abstract
Rheumatoid arthritis and systemic lupus erythematosus are two highly prevalent autoimmune diseases that generate disability and low quality of life. The innate immune system, a long-forgotten issue in autoimmune diseases, is becoming increasingly important and represents a new focus for the treatment of these entities. This review highlights the role that innate immune system plays in the pathophysiology of rheumatoid arthritis and systemic lupus erythematosus. The role of the innate immune system in rheumatoid arthritis and systemic lupus erythematosus pathophysiology is not only important in early stages but is essential to maintain the immune response and to allow disease progression. In rheumatoid arthritis, genetic and environmental factors are involved in the initial stimulation of the innate immune response in which macrophages are the main participants, as well as fibroblast-like synoviocytes. In systemic lupus erythematosus, all the cells contribute to the inflammatory response, but the complement system is the major effector of the inflammatory process. Detecting alterations in the normal function of these cells, besides its contribution to the understanding of the pathophysiology of autoimmune diseases, could help to establish new treatment strategies for these diseases.
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Affiliation(s)
| | | | - Jorge Bruce Flórez-Suárez
- Reumavance Group, Rheumatology Section, Fundación Santa Fe de Bogotá University Hospital, Bogotá, Colombia
| | - Paola Ximena Coral-Alvarado
- Reumavance Group, Rheumatology Section, Fundación Santa Fe de Bogotá University Hospital, Bogotá, Colombia.,School of Medicine, Universidad de Los Andes, Bogotá, Colombia
| | - Paul Méndez-Patarroyo
- Reumavance Group, Rheumatology Section, Fundación Santa Fe de Bogotá University Hospital, Bogotá, Colombia.,School of Medicine, Universidad de Los Andes, Bogotá, Colombia
| | - Gerardo Quintana-López
- School of Medicine, Universidad Nacional de Colombia, Bogotá, Colombia.,Reumavance Group, Rheumatology Section, Fundación Santa Fe de Bogotá University Hospital, Bogotá, Colombia.,School of Medicine, Universidad de Los Andes, Bogotá, Colombia
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Bravo A, Kavanaugh A. Bedside to bench: defining the immunopathogenesis of psoriatic arthritis. Nat Rev Rheumatol 2019; 15:645-656. [PMID: 31485004 DOI: 10.1038/s41584-019-0285-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2019] [Indexed: 02/07/2023]
Abstract
Psoriatic arthritis (PsA) is an immune-mediated, systemic inflammatory disorder. PsA can present with heterogeneous clinical features. Advances in understanding the immunopathogenesis of PsA have helped to facilitate the development of agents targeting specific components of the dysregulated inflammatory and immune responses relevant to PsA. Interestingly, agents with distinct mechanisms of action have shown differential responses across the various disease domains of PsA, counter to what might have been expected from basic science investigations. Here, we review data utilizing various novel targeted therapies for PsA, focusing on biologic and targeted synthetic therapies. These data might support the idea of a 'bedside to bench' concept, whereby results from clinical trials of specific targeted therapies inform our understanding of the immunopathogenesis of PsA. For example, TNF inhibition confers substantial and comparable benefit for all domains of PsA, supporting the view that TNF is a central pro-inflammatory cytokine across diverse areas of disease involvement. On the other hand, inhibition of IL-12-IL-23, as compared with inhibition of TNF, has greater efficacy for psoriasis, comparable efficacy for peripheral arthritis, but was ineffective in studies of axial spondyloarthritis. Data from studies of agents with distinct mechanisms of action will help to further refine our understanding of the immunopathogenesis of PsA.
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Affiliation(s)
- Arlene Bravo
- Division of Rheumatology, Allergy & Immunology, University of California San Diego, San Diego, CA, USA
| | - Arthur Kavanaugh
- Division of Rheumatology, Allergy & Immunology, University of California San Diego, San Diego, CA, USA.
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Macrophages with regulatory functions, a possible new therapeutic perspective in autoimmune diseases. Autoimmun Rev 2019; 18:102369. [PMID: 31404701 DOI: 10.1016/j.autrev.2019.102369] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 04/29/2019] [Indexed: 12/14/2022]
Abstract
Macrophages are pivotal cells involved in chronic inflammatory and autoimmune diseases. In fact, during these diseases, activated macrophages may play a critical role, promoting the inflammation as well as mediating the damage resolution. This dichotomy is referred to two end-stage phenotypes of macrophages, conventionally known as M1 and M2, playing a pro-inflammatory and anti-inflammatory role, respectively. The M1 macrophages are the mainly subset involved during inflammatory processes, producing pro-inflammatory mediators. Conversely, the M2 macrophages are proposed to contribute to the resolution phase of inflammation, when cells with pro-resolving property are recruited and activated. In fact, this subset of macrophages may activate regulatory T lymphocytes, which play a critical role in the maintenance of peripheral tolerance and preventing the occurrence of autoimmune diseases. On these bases, the polarization toward the M2 phenotype could play a therapeutic role for autoimmune diseases. In this Review we discussed the characteristic of M1 and M2 macrophages, focusing on the immunoregulatory role of M2 cells and their potential ability to control the inflammation and to promote the immunological tolerance.
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Nakawaki M, Uchida K, Miyagi M, Inoue G, Kawakubo A, Satoh M, Takaso M. Changes in Nerve Growth Factor Expression and Macrophage Phenotype Following Intervertebral Disc Injury in Mice. J Orthop Res 2019; 37:1798-1804. [PMID: 30977543 DOI: 10.1002/jor.24308] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 03/13/2019] [Indexed: 02/04/2023]
Abstract
Nerve growth factor (NGF) is increased in intervertebral discs (IVDs) after disc injury and anti-NGF therapy improves low back pain in humans. Furthermore, M1 and M2 macrophage subtypes play a role in degenerative IVD injury. We examined M1 and M2 macrophage markers and NGF and cytokine expression in IVD-derived cells from control and IVD-injured mice for 28 days following injury. Ngf messenger RNA (mRNA) expression was increased 1 day after injury in injured compared with control mice, and persisted for up to 28 days. Flow cytometric analysis demonstrated that the proportion of F4/80+ CD11b+ cells was significantly increased from 1 day after injury for up to 28 days in injured compared to control mice. mRNA expression of M1 macrophage markers Tnfa, Il1b, and Nos2 was significantly increased 1 day after injury in injured compared to control mice, before gradually decreasing. At 28 days, no significant difference was observed in M1 markers. The M2a marker, Ym1, was significantly increased 1 day after injury in injured compared with control mice, while M2a and M2c markers Tgfb and Cd206 were significantly increased 7, 14, and 28 days after injury. Tumor necrosis factor α (TNF-α) and transforming growth factor β (TGF-β) stimulated Ngf mRNA and NGF protein expression in IVD cells. Our results suggest that TNF-α and TGF-β may stimulate NGF production under inflammatory and non-inflammatory conditions following IVD injury. As TNF-α and TGF-β are produced by M1 and M2 macrophages, further investigations are needed to reveal the role of macrophages in NGF expression following IVD injury. Our results may aid in developing treatments for IVD-related LBP pathology. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:1798-1804, 2019.
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Affiliation(s)
- Mitsufumi Nakawaki
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Ayumu Kawakubo
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Masashi Satoh
- Department of Immunology, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, Japan
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Abstract
PURPOSE OF REVIEW Autoimmune diseases are of unknown origin, and they represent significant causes of morbidity and mortality. Here, we review new developments in the understanding of their pathogenesis that have led to development of well tolerated and effective treatments. RECENT FINDINGS In addition to the long-recognized genetic impact of the HLA locus, interferon regulatory factors, PTPN22, STAT4, and NOX have been implicated in pathogenesis of systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Smoking, ultraviolet light, diet, and microbiota exert strong environmental influence on development of RA and SLE. Metabolism has been recognized as a critical integrator of genetic and environmental factors, and it controls immune cell differentiation both under physiological and pathological conditions. SUMMARY With the advent of high-throughput genetic, proteomic, and metabolomic technologies, the field of medicine has been shifting towards systems-based and personalized approaches to diagnose and treat common conditions, including rheumatic diseases. Regulatory checkpoints of metabolism and signal transduction, such as glucose utilization, mitochondrial electron transport, JAK, mTOR, and AMPK pathway activation, and production of pro-inflammatory cytokines IL-1, IL-6, and IL-17 have presented new targets for therapeutic intervention. This review amalgamates recent discoveries in genetics and metabolomics with immunological pathways of pathogenesis in rheumatic diseases.
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Affiliation(s)
- Eric Liu
- Division of Rheumatology, Departments of Medicine, Microbiology and Immunology, Biochemistry and Molecular Biology, State University of New York, Upstate Medical University, College of Medicine, Syracuse, New York, USA
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Fogel O, Bugge Tinggaard A, Fagny M, Sigrist N, Roche E, Leclere L, Deleuze JF, Batteux F, Dougados M, Miceli-Richard C, Tost J. Deregulation of microRNA expression in monocytes and CD4 + T lymphocytes from patients with axial spondyloarthritis. Arthritis Res Ther 2019; 21:51. [PMID: 30755244 PMCID: PMC6373047 DOI: 10.1186/s13075-019-1829-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 01/18/2019] [Indexed: 02/07/2023] Open
Abstract
Background MicroRNAs (MiRs) play an important role in the pathogenesis of chronic inflammatory diseases. This study is the first to investigate miR expression profiles in purified CD4+ T lymphocytes and CD14+ monocytes from patients with axial spondyloarthritis (axSpA) using a high-throughput qPCR approach. Methods A total of 81 axSpA patients fulfilling the 2009 ASAS classification criteria, and 55 controls were recruited from October 2014 to July 2017. CD14+ monocytes and CD4+ T lymphocytes were isolated from peripheral blood mononuclear cells. MiR expression was investigated by qPCR using the Exiqon Human MiRnome panel I analyzing 372 miRNAs. Differentially expressed miRNAs identified in the discovery cohort were validated in the replication cohort. Results We found a major difference in miR expression patterns between T lymphocytes and monocytes regardless of the patient or control status. Comparing disease-specific differentially expressed miRs, 13 miRs were found consistently deregulated in CD14+ cells in both cohorts with miR-361-3p, miR-223-3p, miR-484, and miR-16-5p being the most differentially expressed. In CD4+ T cells, 11 miRs were differentially expressed between patients and controls with miR-16-1-3p, miR-28-5p, miR-199a-5p, and miR-126-3p were the most strongly upregulated miRs among patients. These miRs are involved in disease relevant pathways such as inflammation, intestinal permeability or bone formation. Mir-146a-5p levels correlated inversely with the degree of inflammation in axSpA patients. Conclusions We demonstrate a consistent deregulation of miRs in both monocytes and CD4+ T cells from axSpA patients, which could contribute to the pathophysiology of the disease with potential interest from a therapeutic perspective. Electronic supplementary material The online version of this article (10.1186/s13075-019-1829-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Olivier Fogel
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France.,Department of Rheumatology - Hôpital Cochin. Assistance Publique - Hôpitaux de Paris, Paris Descartes University, Paris, France
| | - Andreas Bugge Tinggaard
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France.,Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Maud Fagny
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France
| | - Nelly Sigrist
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France
| | - Elodie Roche
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France
| | - Laurence Leclere
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France
| | - Jean-François Deleuze
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France
| | | | - Maxime Dougados
- Department of Rheumatology - Hôpital Cochin. Assistance Publique - Hôpitaux de Paris, Paris Descartes University, Paris, France.,Unité Mixte AP-HP/ Institut Pasteur, Institut Pasteur, Immunoregulation Unit, Paris, France.,INSERM (U1153) : Clinical Epidemiology and Biostatistics, PRES Sorbonne Paris-Cité, Paris, France
| | - Corinne Miceli-Richard
- Department of Rheumatology - Hôpital Cochin. Assistance Publique - Hôpitaux de Paris, Paris Descartes University, Paris, France.,Unité Mixte AP-HP/ Institut Pasteur, Institut Pasteur, Immunoregulation Unit, Paris, France
| | - Jörg Tost
- Laboratory for Epigenetics and Environment, Centre National de Recherche en Génomique Humaine, CEA - Institut de Biologie François Jacob, 2 rue Gaston Crémieux, Evry, France.
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Bhattacharya S, Yadav A, Aggarwal A. Evidence for M2 macrophage activation in patients with enthesitis-related arthritis category of juvenile idiopathic arthritis. Clin Rheumatol 2019; 38:1715-1719. [PMID: 30734215 DOI: 10.1007/s10067-018-04408-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/10/2018] [Accepted: 12/18/2018] [Indexed: 11/28/2022]
Abstract
Recently, an increase in CD163+ macrophages in ileal biopsies from ankylosing spondylitis patients and an increase in intermediate monocytes in enthesitis-related arthritis (ERA) have been reported. Thus, we studied sCD163 levels as M2 macrophage marker in serum and synovial fluid (SF) of ERA children and CD163 expression on monocyte subsets. Serum samples from ERA patients and healthy controls (HC) were assayed for sCD163 (ELISA). Serum and SF from ERA patients were analyzed when available from same patient (paired samples). In 10 patients, the CD163 expression level was analyzed on monocyte subsets by flow cytometry. Results are expressed as median (interquartile range (IQR)). Sera from 85 patients, SF from 32 ERA patients, and serum from 46 HC were analyzed. The average age at inclusion was 16 ± 3.24 years and age at onset was 11.2 ± 2.79 years. Seventy-nine of them were boys and HLA-B27 was positive in 64/80 patients. The median serum sCD163 levels were higher in patients [1080 (1305.2) ng/ml] than HC [780 (812.5) ng/ml; p < 0.001]. The SF levels [9000 (1250) ng/ml] were much higher than serum [3800 (3287.66) ng/ml; p < 0.001]. Disease activity data was available in 56 patients. Mean tender joint count was 2 (3), swollen joint count was 2 (2), ESR was 70 (65) mm and CRP was 7.1 (8.9) mg/dl. Serum sCD163 levels correlated with SF but not with disease activity. Intermediate monocytes (CD14+CD16+) from ERA patients had higher CD163 expression than HC. Elevated sCD163 levels in ERA patient's sera and even higher levels in paired SF suggest towards activation of alternatively activated macrophages in ERA. Lack of correlation with activity may suggest that they have an immune-regulatory role in ERA.
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Affiliation(s)
- Shruti Bhattacharya
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Akhilesh Yadav
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Amita Aggarwal
- Department of Clinical Immunology and Rheumatology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India.
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de Winter JJ, Paramarta JE, de Jong HM, van de Sande MG, Baeten DL. Peripheral disease contributes significantly to the level of disease activity in axial spondyloarthritis. RMD Open 2019; 5:e000802. [PMID: 30713720 PMCID: PMC6340525 DOI: 10.1136/rmdopen-2018-000802] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Revised: 10/02/2018] [Accepted: 10/24/2018] [Indexed: 01/21/2023] Open
Abstract
Objective Spondyloarthritis (SpA) can encompass axial, peripheral and extra-articular disease manifestations. Patients are classified as axial or peripheral SpA depending on the presence or absence of current back pain, independently of the other disease manifestations. Therefore, we aimed to assess the percentage of patients with axial SpA with peripheral disease and how this peripheral disease contributes to the overall disease activity. Methods Prevalence and disease activity of peripheral disease manifestations were assessed in a real-life observational cohort of 314 patients with the clinical diagnosis of SpA and fulfilling the Assessment of SpondyloArthritis international Society (ASAS) criteria. Results Of the 314 patients fulfilling the ASAS criteria, 230 fulfilled the axial and 84 the peripheral SpA criteria. Of the 230 patients with axial SpA, 49% had purely axial disease without peripheral disease manifestations whereas 51% had combined axial (back pain) and peripheral (arthritis, enthesitis and/or dactylitis) disease. The latter group had the highest disease activity in comparison with pure axial SpA as well as with peripheral SpA. Conclusion Half of the patients classified as axial SpA according to the ASAS criteria also have peripheral disease manifestations such as arthritis, enthesitis and/or dactylitis. These peripheral disease manifestations contribute significantly to overall disease activity.
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Affiliation(s)
- Janneke J de Winter
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
| | - Jacqueline E Paramarta
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
| | - Henriëtte M de Jong
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
| | - Marleen G van de Sande
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
| | - Dominique L Baeten
- Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology and Rheumatology, Amsterdam UMC University of Amsterdam, Amsterdam, The Netherlands
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Liu L, Zhang Y, Zheng X, Jin L, Xiang N, Zhang M, Chen Z. Eosinophils attenuate arthritis by inducing M2 macrophage polarization via inhibiting the IκB/P38 MAPK signaling pathway. Biochem Biophys Res Commun 2018; 508:894-901. [PMID: 30528734 DOI: 10.1016/j.bbrc.2018.12.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 12/02/2018] [Indexed: 01/21/2023]
Abstract
Rheumatoid arthritis (RA) represents a type of autoimmune disease that mainly affect the joints due to persistent synovitis. Eosinophils were Th2 effector cells that have been shown to have anti-inflammatory role recently. In this study, we aimed to investigate the effects of eosinophils transfer on arthritis and underlying mechanisms. DBA/1 mice were induced with collagen-induced arthritis (CIA) and treated with purified eosinophils at different time points. We showed that eosinophils transfer attenuated arthritis in CIA mice. Meanwhile, TNF-α, IL-6, IL-12 and iNOS levels were decreased whereas TGF-β, IL-10, IL-13 and Arg1 levels were increased after eosinophil transfer. In vitro stimulation of bone marrow-derived macrophage (BMDM) with LPS and IFN-γ induced high expression of CD68, iNOS, TNF-α, IL-6, and IL-12, while treatment with eosinophils downregulated their expression levels. Furthermore, high levels of p-IκB and p-P38 expression in BMDM induced by LPS and IFN-γ could be suppressed by eosinophil treatment, and a P38 or IκB inhibitor accelerated the effect of eosinophils on macrophage polarization. Our results demonstrate that eosinophils exert anti-inflammatory effects in arthritis by inducing M2 macrophage polarization via inhibiting the IκB/P38 MAPK signaling pathway.
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Affiliation(s)
- Liu Liu
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China
| | - Yuanyuan Zhang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Xu Zheng
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China
| | - Li Jin
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China
| | - Nan Xiang
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China
| | - Min Zhang
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China
| | - Zhu Chen
- Department of Rheumatology and Immunology, Anhui Medical University Affiliated Provincial Hospital, Hefei, 230001, China; The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China.
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Wang Q, Zhou X, Zhao Y, Xiao J, Lu Y, Shi Q, Wang Y, Wang H, Liang Q. Polyphyllin I Ameliorates Collagen-Induced Arthritis by Suppressing the Inflammation Response in Macrophages Through the NF-κB Pathway. Front Immunol 2018; 9:2091. [PMID: 30319603 PMCID: PMC6170622 DOI: 10.3389/fimmu.2018.02091] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 08/24/2018] [Indexed: 12/27/2022] Open
Abstract
Background: Rheumatoid arthritis (RA) is a chronic autoimmune disorder, characterized by an increased number of M1-like macrophages in the joints. Polyphyllin I (PPI), one of the main components in the Rhizoma of Paris polyphyllin, displays a selective inhibitory effect on various tumor cells. Here we sought to investigate the anti-rheumatoid arthritis effects and mechanisms of PPI on macrophages in vivo and in vitro. Materials and Methods:In vitro, primary bone marrow-derived macrophages (BMMs) and peritoneal elucidated macrophages (PEMs) were stimulated by lipopolysaccharide (LPS) and Interferon (IFN)-γ and then treated with PPI. We determined the degree of activation of IKKα/β and p65, two key mediators of the NF-κB-mediated inflammatory pathway, by measuring their phosphorylated forms by Western blot. The p65 nuclear localization was detected by immunofluorescent staining. Further, a NF-κB-linked luciferase reporter plasmid, as well as those expressing key mediators of the Toll-like receptor 4 pathway, such as myeloid differentiation primary response 88 (MYD88), interleukin-1 receptor (IL-1R) associated kinase (IRAK)-1, TNF receptor associated factors (TRAF)-6, Transforming growth factor-b–activated kinase 1 (TAK1) and p65, were used to identify the mechanism by which PPI achieves its inhibitory effects on macrophage-mediated inflammation. Moreover, a NF-κB inhibitor, p65-targeted siRNAs, and a p65 plasmid were further used to validate the anti-inflammatory mechanism of PPI. In vivo, PPI (1 mg/kg) was administered intragastrically one time a day for 7 weeks starting on the 42nd day after the first immunization with collagen in a collagen-induced arthritis (CIA) mouse model. Micro-computed Tomography scanning, histological examination, F4/80 and iNOS double immunofluorescent staining and CD4 immunohistochemical staining were performed to determine the effect of PPI treatment on joint structure and inflammation in this model. Results: PPI reduced the inflammatory cytokines production of PEMs stimulated by LPS/IFN-γ, inhibited the phosphorylation of IKKα/β and p65, and prevented p65 nuclear localization. The NF-κB luciferase assay showed that the target of PPI was closely related to the NF-κB pathway. Moreover, NF-κB inhibition, siRNA-mediated knockdown of p65, and p65 overexpression eliminated PPI's inhibitory effect. In addition, PPI attenuated the bone erosion and synovitis, as well as M1-like macrophage and T cell infiltration, in the ankle joint of the CIA model. Conclusion: PPI demonstrated effective amelioration of synovial inflammation in the ankle joint of CIA mice while suppressing NF-κB-mediated production of pro-inflammatory effectors in activated macrophages.
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Affiliation(s)
- Qiong Wang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,State Key Laboratory of Cell Biology, Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Innovation Center for Cell Signaling Network, Shanghai, China.,Institute of Spine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Zhou
- State Key Laboratory of Cell Biology, Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Innovation Center for Cell Signaling Network, Shanghai, China
| | - Yongjian Zhao
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Spine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education (Shanghai University of Traditional Chinese Medicine), Shanghai, China
| | - Jun Xiao
- State Key Laboratory of Cell Biology, Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Innovation Center for Cell Signaling Network, Shanghai, China
| | - Yao Lu
- State Key Laboratory of Cell Biology, Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Innovation Center for Cell Signaling Network, Shanghai, China
| | - Qi Shi
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Spine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education (Shanghai University of Traditional Chinese Medicine), Shanghai, China
| | - Yongjun Wang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Spine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education (Shanghai University of Traditional Chinese Medicine), Shanghai, China.,School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongyan Wang
- State Key Laboratory of Cell Biology, Key Laboratory of Systems Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Innovation Center for Cell Signaling Network, Shanghai, China
| | - Qianqian Liang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Institute of Spine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education (Shanghai University of Traditional Chinese Medicine), Shanghai, China
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41
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Vanaki N, Aslani S, Jamshidi A, Mahmoudi M. Role of innate immune system in the pathogenesis of ankylosing spondylitis. Biomed Pharmacother 2018; 105:130-143. [DOI: 10.1016/j.biopha.2018.05.097] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/19/2018] [Accepted: 05/20/2018] [Indexed: 12/11/2022] Open
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42
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Dongsheng Z, Zhiguang F, Junfeng J, Zifan L, Li W. Cyclophilin A Aggravates Collagen-Induced Arthritis via Promoting Classically Activated Macrophages. Inflammation 2018; 40:1761-1772. [PMID: 28756520 DOI: 10.1007/s10753-017-0619-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Activated macrophages exhibiting diverse phenotypes and various functions contribute to the pathogenesis or amelioration of different diseases like cancer, inflammation, and infectious and autoimmune diseases. However, the mechanisms of macrophage polarization in inflamed joint and its effects on rheumatoid arthritis (RA) are still not clarified. This study is designed to explore the effects of cyclophilin A (CypA) on macrophage polarization and describe the underlying mechanisms. Collagen-induced arthritis (CIA) was employed to address the pro-arthritic effects of CypA. Flow cytometry was performed to investigate the populations of M1 and M2 macrophages in synovial tissues of the mice. Knockdown or overexpression of CypA macrophage cells was used to study the functions of CypA on macrophage polarization. Western blot was carried out to examine the potential signaling pathways. We found that CypA aggravated the severity of CIA in mice, as assessed by the increase of clinical score of inflammation, cartilage damage, and bone erosion. Moreover, the level of cytokines, such as IL-6, IL-1β, and IL-17, and the number of pro-inflammatory macrophages in synovial fluid were significantly elevated. In accordance with our observation, CypA dysregulation could actually influence the M1 macrophages polarization and pro-inflammatory cytokines production. Further mechanism study disclosed that CypA could regulate the transcriptional activity of NF-κB, the pivotal transcriptional factor regulating M1 polarization, dependent of its PPIase activity. Our findings provide evidence that PPIase CypA promoted macrophages polarization toward pro-inflammatory M1 phenotype via transcriptional activating NF-κB, thus leading to aggravated arthritis.
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Affiliation(s)
- Zhai Dongsheng
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, Fourth Military Medical University, No. 169 West Changle Road, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Fu Zhiguang
- Institute of Stomatology, General Hospital of Chinese PLA, Beijing, 10085, People's Republic of China
| | - Jia Junfeng
- Department of Clinical Immunology, State Key Discipline of Cell Biology, First Affiliated Hospital, Fourth Military Medical University, No. 15 West Changle Road, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Lu Zifan
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, Fourth Military Medical University, No. 169 West Changle Road, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Wang Li
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, Fourth Military Medical University, No. 169 West Changle Road, Xi'an, 710032, Shaanxi, People's Republic of China.
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43
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Bhattacharya S, Aggarwal A. M2 macrophages and their role in rheumatic diseases. Rheumatol Int 2018; 39:769-780. [DOI: 10.1007/s00296-018-4120-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 08/02/2018] [Indexed: 12/21/2022]
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44
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Veale DJ, Fearon U. The pathogenesis of psoriatic arthritis. Lancet 2018; 391:2273-2284. [PMID: 29893226 DOI: 10.1016/s0140-6736(18)30830-4] [Citation(s) in RCA: 301] [Impact Index Per Article: 50.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 03/21/2018] [Accepted: 03/28/2018] [Indexed: 12/15/2022]
Abstract
Psoriatic arthritis is a chronic, immune-mediated, inflammatory arthropathy that presents with inflammation of the joints and entheses, including those of the axial skeleton, and is associated with increased mortality from cardiovascular disease. Diagnosis is primarily based on clinical phenotype because of the diversity of the associated features, which can include skin and nail disease, dactylitis, uveitis, and osteitis. Improved understanding of the pathogenesis of psoriatic arthritis has led to the development of effective biologics and small-molecular drugs targeting specific cytokines and signalling pathways, which can prevent disease progression and improve quality of life. However, at least 40% of patients with psoriatic arthritis have only a partial response or fail to respond to such treatments. Cytokine inhibitors, mainly those specific for tumour necrosis factor and, more recently, the interleukin 23-T-helper-17 cell pathway, have been highly successful in the treatment of disease manifestations in several different tissues, although targeting the interleukin 23-T-helper-17 cell pathway might be more effective in psoriasis than in arthritis. However, the precise mechanisms underlying the pathogenesis of psoriatic arthritis-which include genetics, environmental factors, and immune-mediated inflammation-are complex, and the relationship between disease of the joint and that of other domains is poorly understood. Improving our understanding of psoriatic arthritis pathogenesis could help to establish validated biomarkers for diagnosis, predict therapeutic response and remission, develop precision medicines, and predict which patients will respond to which therapy. We discuss advances in pathogenetic translational research that could inform these issues.
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Affiliation(s)
- Douglas J Veale
- Rheumatology EULAR Centre of Excellence, St Vincent's University Hospital and University College Dublin, Dublin, Ireland.
| | - Ursula Fearon
- Rheumatology EULAR Centre of Excellence, St Vincent's University Hospital and University College Dublin, Dublin, Ireland; Department of Molecular Rheumatology, Trinity Biomedical Science Institute, Trinity College Dublin, Dublin, Ireland
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45
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Ambarus CA, Yeremenko N, Baeten DL. Altered cytokine expression by macrophages from HLA-B27-positive spondyloarthritis patients without evidence of endoplasmic reticulum stress. Rheumatol Adv Pract 2018; 2:rky014. [PMID: 31431962 PMCID: PMC6649909 DOI: 10.1093/rap/rky014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 03/28/2018] [Indexed: 01/01/2023] Open
Abstract
Objectives We investigated endoplasmic reticulum (ER) stress and cytokine expression in peripheral blood-derived macrophages and synovial tissue from HLA-B27+ SpA patients. Methods Macrophages from healthy donors, SpA and RA patients were polarized with IFN-γ or IL-10 and activated with lipopolysaccharide. Expression of ER stress markers (BiP, CHOP, ERdj4) and cytokines (IL-23, IL-12, TNF, IL-10) was measured by qRT-PCR. Expression of ER stress markers and cytokines in synovial tissue from SpA patients was evaluated by microarray analysis. Results Macrophages from HLA-B27+ SpA patients did not show elevated ER stress markers. However, the expression of IL-23 and IL-12 by peripheral blood-derived macrophages was higher in HLA-B27+ SpA in comparison with healthy donors. Synovial tissue from HLA-B27+ SpA patients showed higher expression of TNF compared with HLA-B27− SpA patients. Conclusion HLA-B27+ SpA patients showed increased expression of IL-23, IL-12 and TNF without evidence of ER stress.
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Affiliation(s)
- Carmen A Ambarus
- Department of Clinical Immunology and Rheumatology, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, University of Amsterdam, Amsterdam, The Netherlands.,Department of Pathology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Nataliya Yeremenko
- Department of Clinical Immunology and Rheumatology, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, University of Amsterdam, Amsterdam, The Netherlands
| | - Dominique L Baeten
- Department of Clinical Immunology and Rheumatology, University of Amsterdam, Amsterdam, The Netherlands.,Department of Experimental Immunology, University of Amsterdam, Amsterdam, The Netherlands
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46
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Affiliation(s)
- Chang-Hoon Lee
- Division of Rheumatology, Department of Internal Medicine, Wonkwang University School of Medicine, Iksan, Korea
| | - Eun Young Choi
- Department of Biomedical Sciences, University of Ulsan College of Medicine, Seoul, Korea
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47
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Tackling Pain Associated with Rheumatoid Arthritis: Proton-Sensing Receptors. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1099:49-64. [PMID: 30306514 DOI: 10.1007/978-981-13-1756-9_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rheumatoid arthritis (RA), characterized by chronic inflammation of synovial joints, is often associated with ongoing pain and increased pain sensitivity. Chronic pain that comes with RA turns independent, essentially becoming its own disease. It could partly explain that a significant number (50%) of RA patients fail to respond to current RA therapies that focus mainly on suppression of joint inflammation. The acute phase of pain seems to associate with joint inflammation in early RA. In established RA, the chronic phase of pain could be linked to inflammatory components of neuron-immune interactions and noninflammatory components. Accumulating evidence suggests that the initial inflammation and autoimmunity in RA (preclinical RA) begin outside of the joint and may originate at mucosal sites and alterations in the composition of microbiota located at mucosal sites could be essential for mucosal inflammation, triggering joint inflammation. Fibroblast-like synoviocytes in the inflamed joint respond to cytokines to release acidic components, lowering pH in synovial fluid. Extracellular proton binds to proton-sensing ion channels, and G-protein-coupled receptors in joint nociceptive fibers may contribute to sensory transduction and release of neurotransmitters, leading to pain and hyperalgesia. Activation of peripheral sensory neurons or nociceptors further modulates inflammation, resulting in neuroinflammation or neurogenic inflammation. Peripheral and central nerves work with non-neuronal cells (such as immune cells, glial cells) in concert to contribute to the chronic phase of RA-associated pain. This review will discuss actions of proton-sensing receptors on neurons or non-neuronal cells that modulate RA pathology and associated chronic pain, and it will be beneficial for the development of future therapeutic treatments.
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48
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Rizzo A, Ferrante A, Guggino G, Ciccia F. Gut inflammation in spondyloarthritis. Best Pract Res Clin Rheumatol 2017; 31:863-876. [DOI: 10.1016/j.berh.2018.08.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 07/23/2018] [Indexed: 02/06/2023]
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49
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Zhao J, Yuan W, Tao C, Sun P, Yang Z, Xu W. M2 polarization of monocytes in ankylosing spondylitis and relationship with inflammation and structural damage. APMIS 2017; 125:1070-1075. [PMID: 28971528 DOI: 10.1111/apm.12757] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 08/03/2017] [Indexed: 01/08/2023]
Abstract
The aim of this study was to evaluate the polarization of peripheral blood monocytes in the patients with ankylosing spondylitis (AS) and to determine the correlations between monocyte polarization and inflammation and structural damage. A total of 120 AS patients, 50 rheumatoid arthritis (RA) patients and 100 healthy controls were enrolled in the study. M1 (CD68+CD192+) and M2 (CX3CR1+CD163+) monocytes were characterized by flow cytometry. Demographic, clinical, radiographic and laboratory data were collected and analyzed. A large increase in M2 (CX3CR1+CD163+) monocytes was observed in AS, and M2/M1 ratio was 7.18 ± 6.12, 2.54 ± 3.14 and 35.61 ± 20.04 in control, RA and AS, respectively. The M2/M1 ratio correlated with modified Stoke Ankylosing Spondylitis Spine Score (mSASSS) (r = 0.565; p < 0.001), ESR (r = -0.321; p < 0.001, CRP (r = -0.265; p < 0.001) and Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) (r = -0.201; p = 0.028). Anti-TNF-α therapy induced a significant reduction in the percentage of M1 monocyte, ESR, CRP and BASDAI in AS patients. The present results demonstrated that M2 type polarized monocytes are predominant in the peripheral blood in AS and the M2/M1 ratio is correlated with structural damage (mSASSS), inflammatory biomarkers (ESR and CRP) and BASDAI.
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Affiliation(s)
- Jinzhu Zhao
- Department of Orthopedics, No. 401 Hospital of PLA, Qingdao, Shandong, China
| | - Wei Yuan
- Department of Outpatient Clinic, No. 1 Sanatorium of Qingdao of PLA, Qingdao, Shandong, China
| | - Chunsheng Tao
- Department of Orthopedics, No. 401 Hospital of PLA, Qingdao, Shandong, China
| | - Peifeng Sun
- Department of Orthopedics, No. 401 Hospital of PLA, Qingdao, Shandong, China
| | - Zaixing Yang
- Department of Laboratory Medicine, Taizhou First People's Hospital, Huangyan Hospital of Wenzhou Medical University, Taizhou, Zhejiang, China
| | - Weidong Xu
- Department of Orthopedics, Changhai Hospital, Second Military Medical University, Shanghai, China
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50
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Park SY, Lee SW, Lee SY, Hong KW, Bae SS, Kim K, Kim CD. SIRT1/Adenosine Monophosphate-Activated Protein Kinase α Signaling Enhances Macrophage Polarization to an Anti-inflammatory Phenotype in Rheumatoid Arthritis. Front Immunol 2017; 8:1135. [PMID: 28966618 PMCID: PMC5605563 DOI: 10.3389/fimmu.2017.01135] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Accepted: 08/29/2017] [Indexed: 12/29/2022] Open
Abstract
Macrophages are crucially involved in the pathogenesis of rheumatoid arthritis (RA). Macrophages of the M1 phenotype act as pro-inflammatory mediators in synovium, whereas those of the M2 phenotype suppress inflammation and promote tissue repair. SIRT1 is a class 3 histone deacetylase with anti-inflammatory characteristics. However, the role played by SIRT1 in macrophage polarization has not been defined in RA. We investigated whether SIRT1 exerts anti-inflammatory effects by modulating M1/M2 polarization in macrophages from RA patients. In this study, SIRT1 activation promoted the phosphorylation of an adenosine monophosphate-activated protein kinase (AMPK) α/acetyl-CoA carboxylase in macrophages exposed to interleukin (IL)-4, and that this resulted in the expressions of M2 genes, including MDC, FcεRII, MrC1, and IL-10, at high levels. Furthermore, these expressions were inhibited by sirtinol (an inhibitor of SIRT1) and compound C (an inhibitor of AMPK). Moreover, SIRT1 activation downregulated LPS/interferon γ-mediated NF-κB activity by inhibiting p65 acetylation and the expression of M1 genes, such as CCL2, iNOS, IL-12 p35, and IL-12 p40. Macrophages from SIRT1 transgenic (Tg)-mice exhibited enhanced polarization of M2 phenotype macrophages and reduced polarization of M1 phenotype macrophages. In line with these observations, SIRT1-Tg mice showed less histological signs of arthritis, that is, lower TNFα and IL-1β expressions and less severe arthritis in the knee joints, compared to wild-type mice. Taken together, the study shows activation of SIRT1/AMPKα signaling exerts anti-inflammatory activities by regulating M1/M2 polarization, and thereby reduces inflammatory responses in RA. Furthermore, it suggests that SIRT1 signaling be viewed as a therapeutic target in RA.
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Affiliation(s)
- So Youn Park
- Department of Pharmacology, School of Medicine, Pusan National University, Gyeongsangnam-do, South Korea.,Gene and Cell Therapy Research Center for Vessel-Associated Diseases, Pusan National University, Gyeongsangnam-do, South Korea
| | - Sung Won Lee
- Department of Internal Medicine, College of Medicine, Dong-A University, Busan, South Korea
| | - Sang Yeob Lee
- Department of Internal Medicine, College of Medicine, Dong-A University, Busan, South Korea
| | - Ki Whan Hong
- Gene and Cell Therapy Research Center for Vessel-Associated Diseases, Pusan National University, Gyeongsangnam-do, South Korea
| | - Sun Sik Bae
- Department of Pharmacology, School of Medicine, Pusan National University, Gyeongsangnam-do, South Korea.,Gene and Cell Therapy Research Center for Vessel-Associated Diseases, Pusan National University, Gyeongsangnam-do, South Korea
| | - Koanhoi Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Gyeongsangnam-do, South Korea
| | - Chi Dae Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Gyeongsangnam-do, South Korea.,Gene and Cell Therapy Research Center for Vessel-Associated Diseases, Pusan National University, Gyeongsangnam-do, South Korea
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