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Guo S, Tian Y, Li J, Zeng X. A Glimpse into Humoral Response and Related Therapeutic Approaches of Takayasu's Arteritis. Int J Mol Sci 2024; 25:6528. [PMID: 38928233 PMCID: PMC11203527 DOI: 10.3390/ijms25126528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
Takayasu's arteritis (TAK) manifests as an insidiously progressive and debilitating form of granulomatous inflammation including the aorta and its major branches. The precise etiology of TAK remains elusive, with current understanding suggesting an autoimmune origin primarily driven by T cells. Notably, a growing body of evidence bears testimony to the widespread effects of B cells on disease pathogenesis and progression. Distinct alterations in peripheral B cell subsets have been described in individuals with TAK. Advancements in technology have facilitated the identification of novel autoantibodies in TAK. Moreover, emerging data suggest that dysregulated signaling cascades downstream of B cell receptor families, including interactions with innate pattern recognition receptors such as toll-like receptors, as well as co-stimulatory molecules like CD40, CD80 and CD86, may result in the selection and proliferation of autoreactive B cell clones in TAK. Additionally, ectopic lymphoid neogenesis within the aortic wall of TAK patients exhibits functional characteristics. In recent decades, therapeutic interventions targeting B cells, notably utilizing the anti-CD20 monoclonal antibody rituximab, have demonstrated efficacy in TAK. Despite the importance of the humoral immune response, a systematic understanding of how autoreactive B cells contribute to the pathogenic process is still lacking. This review provides a comprehensive overview of the biological significance of B cell-mediated autoimmunity in TAK pathogenesis, as well as insights into therapeutic strategies targeting the humoral response. Furthermore, it examines the roles of T-helper and T follicular helper cells in humoral immunity and their potential contributions to disease mechanisms. We believe that further identification of the pathogenic role of autoimmune B cells and the underlying regulation system will lead to deeper personalized management of TAK patients. We believe that further elucidation of the pathogenic role of autoimmune B cells and the underlying regulatory mechanisms holds promise for the development of personalized approaches to managing TAK patients.
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Affiliation(s)
- Shuning Guo
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100006, China; (S.G.); (Y.T.)
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing 100006, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing 100006, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100006, China
| | - Yixiao Tian
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100006, China; (S.G.); (Y.T.)
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing 100006, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing 100006, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100006, China
| | - Jing Li
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100006, China; (S.G.); (Y.T.)
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing 100006, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing 100006, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100006, China
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100006, China; (S.G.); (Y.T.)
- National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing 100006, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing 100006, China
- Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100006, China
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Xu S, Jiemy WF, Brouwer E, Burgess JK, Heeringa P, van der Geest KSM, Alba-Rovira R, Corbera-Bellalta M, Boots AH, Cid MC, Sandovici M. Current evidence on the role of fibroblasts in large-vessel vasculitides: From pathogenesis to therapeutics. Autoimmun Rev 2024; 23:103574. [PMID: 38782083 DOI: 10.1016/j.autrev.2024.103574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/29/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
Large-vessel vasculitides (LVV) comprise a group of chronic inflammatory diseases of the aorta and its major branches. The most common forms of LVV are giant cell arteritis (GCA) and Takayasu arteritis (TAK). Both GCA and TAK are characterized by granulomatous inflammation of the vessel wall accompanied by a maladaptive immune and vascular response that promotes vascular damage and remodeling. The inflammatory process in LVV starts in the adventitia where fibroblasts constitute the dominant cell population. Fibroblasts are traditionally recognized for synthesizing and renewing the extracellular matrix thereby being major players in maintenance of normal tissue architecture and in tissue repair. More recently, fibroblasts have emerged as a highly plastic cell population exerting various functions, including the regulation of local immune processes and organization of immune cells at the site of inflammation through production of cytokines, chemokines and growth factors as well as cell-cell interaction. In this review, we summarize and discuss the current knowledge on fibroblasts in LVV. Furthermore, we identify key questions that need to be addressed to fully understand the role of fibroblasts in the pathogenesis of LVV.
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Affiliation(s)
- Shuang Xu
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands
| | - William F Jiemy
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands
| | - Elisabeth Brouwer
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands
| | - Janette K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, the Netherlands
| | - Peter Heeringa
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, the Netherlands
| | - Kornelis S M van der Geest
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands
| | - Roser Alba-Rovira
- Vasculitis Research Group, Department of Autoimmune Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marc Corbera-Bellalta
- Vasculitis Research Group, Department of Autoimmune Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Annemieke H Boots
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands
| | - Maria C Cid
- Vasculitis Research Group, Department of Autoimmune Diseases, Hospital Clínic, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Maria Sandovici
- University of Groningen, University Medical Center Groningen, Department of Rheumatology and Clinical Immunology, the Netherlands.
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Shirai T. Common Autoantibody among Takayasu Arteritis and Ulcerative Colitis: A Possible Pathophysiology That Includes Gut-Vessel Connection in Vascular Inflammation. JMA J 2023; 6:265-273. [PMID: 37560375 PMCID: PMC10407456 DOI: 10.31662/jmaj.2023-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 08/11/2023] Open
Abstract
Takayasu arteritis (TAK) is a type of large-vessel vasculitis that predominantly affects young females. The precise pathomechanism of TAK is still under investigation. In TAK, the vasa vasorum is considered to be the initial inflammatory site. Disruption of the vasa vasorum induces the entry of inflammatory cells into the vascular wall of large vessels between the media and adventitia, and infiltrated cells damage the vascular components, eventually leading to stenosis or dilatation of the affected arteries. In addition, T cells are considered key players in TAK, and myeloid cells function as effector cells. Although the roles of B cells in TAK are poorly understood, recent evidence supports their contribution to the pathogenicity of TAK. Particularly, two autoantibodies have been identified in TAK through investigation of anti-endothelial cell antibodies, and they could be involved in the maintenance of vascular inflammation. Furthermore, one of the autoantibodies, anti-endothelial protein C receptor, was shown to be present in ulcerative colitis (UC), which is genetically and clinically associated with TAK. Similar autoantibodies in inflammatory diseases with different target organs indicate a common underlying pathophysiology of these diseases, which could be characterized by the aberrant activation of B cells. This review discusses recent understanding of the pathomechanisms of TAK and UC, with a focus on the involvement of B cells and autoantibodies. The close association of UC with TAK further suggests a common etiology, and the importance of the intestinal microbiota, including dysbiosis, is also becoming known in TAK. Investigation of such common factors among TAK and UC would improve understanding of the interplay between gut and vascular inflammation, which is a new concept for developing vascular inflammation through the gut-vessel connection.
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Affiliation(s)
- Tsuyoshi Shirai
- Department of Rheumatology, Tohoku University Hospital, Sendai, Japan
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Matsumoto K, Suzuki K, Yasuoka H, Hirahashi J, Yoshida H, Magi M, Noguchi-Sasaki M, Kaneko Y, Takeuchi T. Longitudinal monitoring of circulating immune cell phenotypes in anti-neutrophil cytoplasmic antibody-associated vasculitis. Autoimmun Rev 2023; 22:103271. [PMID: 36627064 DOI: 10.1016/j.autrev.2023.103271] [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: 12/10/2022] [Accepted: 01/05/2023] [Indexed: 01/09/2023]
Abstract
Anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV) is a necrotizing multiorgan autoimmune disease that affects small- to medium-sized blood vessels. Despite the improvements in treatments, half of the patients with AAV still experience disease relapses. In this review, we focus on peripheral leukocyte properties and phenotypes in patients with AAV. In particular, we explore longitudinal changes in circulating immune cell phenotypes during the active phase of the disease and treatment. The numbers and phenotypes of leukocytes in peripheral blood were differs between AAV and healthy controls, AAV in active versus inactive phase, AAV in treatment responders versus non-responders, and AAV with and without severe infection. Therefore, biomarkers detected in peripheral blood immune cells may be useful for longitudinal monitoring of disease activity in AAV.
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Affiliation(s)
- Kotaro Matsumoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hidekata Yasuoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan; Division of Rheumatology, Department of Internal Medicine, Fujita Health University School of Medicine, Aichi, Japan
| | - Junichi Hirahashi
- Center for General Medicine Education, Keio University School of Medicine, Tokyo, Japan
| | | | - Mayu Magi
- Chugai Pharmaceutical Co. Ltd., Kanagawa, Japan
| | | | - Yuko Kaneko
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Schäfer VS, Brossart P, Warrington KJ, Kurts C, Sendtner GW, Aden CA. The role of autoimmunity and autoinflammation in giant cell arteritis: A systematic literature review. Autoimmun Rev 2023; 22:103328. [PMID: 36990133 DOI: 10.1016/j.autrev.2023.103328] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023]
Abstract
Giant cell arteritis is the most common form of large vessel vasculitis and preferentially involves large and medium-sized arteries in patients over the age of 50. Aggressive wall inflammation, neoangiogenesis and consecutive remodeling processes are the hallmark of the disease. Though etiology is unknown, cellular and humoral immunopathological processes are well understood. Matrix metalloproteinase-9 mediated tissue infiltration occurs through lysis of basal membranes in adventitial vessels. CD4+ cells attain residency in immunoprotected niches, differentiate into vasculitogenic effector cells and enforce further leukotaxis. Signaling pathways involve the NOTCH1-Jagged1 pathway opening vessel infiltration, CD28 mediated T-cell overstimulation, lost PD-1/PD-L1 co-inhibition and JAK/STAT signaling in interferon dependent responses. From a humoral perspective, IL-6 represents a classical cytokine and potential Th-cell differentiator whereas interferon-γ (IFN- γ) has been shown to induce chemokine ligands. Current therapies involve glucocorticoids, tocilizumab and methotrexate application. However, new agents, most notably JAK/STAT inhibitors, PD-1 agonists and MMP-9 blocking substances, are being evaluated in ongoing clinical trials.
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Wu J, Yang F, Ma X, Lin J, Chen W. Elderly-onset rheumatoid arthritis vs. polymyalgia rheumatica: Differences in pathogenesis. Front Med (Lausanne) 2023; 9:1083879. [PMID: 36714116 PMCID: PMC9879490 DOI: 10.3389/fmed.2022.1083879] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 12/28/2022] [Indexed: 01/13/2023] Open
Abstract
Rheumatoid arthritis is a chronic autoimmune disease that mainly affects the facet joints. Elderly-onset rheumatoid arthritis appears to exhibit symptoms similar to those of polymyalgia rheumatica, characterized by morning stiffness and pain in the shoulder and hip joints. Both diseases develop in the elderly, and it is sometimes challenging to distinguish them. Here, we identify the differences in pathogenesis between elderly-onset rheumatoid arthritis and polymyalgia rheumatica to assist with a clear differential diagnosis and effective early intervention.
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Matsumoto K, Suzuki K, Yoshida H, Magi M, Matsumoto Y, Noguchi-Sasaki M, Yoshimoto K, Takeuchi T, Kaneko Y. Distinct gene signatures of monocytes and B cells in patients with giant cell arteritis: a longitudinal transcriptome analysis. Arthritis Res Ther 2023; 25:1. [PMID: 36597161 PMCID: PMC9809009 DOI: 10.1186/s13075-022-02982-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 12/20/2022] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Giant cell arteritis (GCA) is a primary large-vessel vasculitis (LVV) of unknown origin. Its management is a challenge due to the late onset of disease symptoms and frequent relapse; therefore, clarifying the pathophysiology of GCA is essential to improving treatment. This study aimed to identify the transition of molecular signatures in immune cells relevant to GCA pathogenesis by analyzing longitudinal transcriptome data in patients. METHODS We analyzed the whole blood transcriptome of treatment-naive patients with GCA, patients with Takayasu arteritis (TAK), age-matched, old healthy controls (HCs), and young HCs. Characteristic genes for GCA were identified, and the longitudinal transition of those genes was analyzed using cell-type identification by estimating relative subsets of RNA transcripts (CIBERSORT). RESULTS Repeated measures analysis of variance revealed 739 differentially expressed genes among all patients and HCs. Of the 739 genes, 15 were characteristically upregulated and 36 were downregulated in patients with GCA compared to those with TAK and HCs. Pathway enrichment analysis showed that downregulated genes in GCA were associated with B cell activation. CIBERSORT analysis revealed that upregulation of "M0-macrophages" and downregulation of B cells were characteristic of GCA. Upregulation of "M0-macrophages" reflects the activation of monocytes in GCA toward M0-like phenotypes, which persisted under 6 weeks of treatment. Combined treatment with prednisolone and an interleukin-6 receptor antagonist normalized molecular profiles more efficiently than prednisolone monotherapy. CONCLUSIONS Gene signatures of monocyte activation and B cell inactivation were characteristic of GCA and associated with treatment response.
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Affiliation(s)
- Kotaro Matsumoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Tokyo, Shinjuku-ku, Japan.
| | - Katsuya Suzuki
- grid.26091.3c0000 0004 1936 9959Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Tokyo, Shinjuku-ku Japan
| | - Hiroto Yoshida
- grid.515733.60000 0004 1756 470XChugai Pharmaceutical Co. Ltd., 200 Kajiwara, Kamakura, Kanagawa Japan
| | - Mayu Magi
- grid.515733.60000 0004 1756 470XChugai Pharmaceutical Co. Ltd., 200 Kajiwara, Kamakura, Kanagawa Japan
| | - Yoshihiro Matsumoto
- grid.515733.60000 0004 1756 470XChugai Pharmaceutical Co. Ltd., 200 Kajiwara, Kamakura, Kanagawa Japan
| | - Mariko Noguchi-Sasaki
- grid.515733.60000 0004 1756 470XChugai Pharmaceutical Co. Ltd., 200 Kajiwara, Kamakura, Kanagawa Japan
| | - Keiko Yoshimoto
- grid.26091.3c0000 0004 1936 9959Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Tokyo, Shinjuku-ku Japan
| | - Tsutomu Takeuchi
- grid.26091.3c0000 0004 1936 9959Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Tokyo, Shinjuku-ku Japan
| | - Yuko Kaneko
- grid.26091.3c0000 0004 1936 9959Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Tokyo, Shinjuku-ku Japan
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Matsumoto K, Suzuki K, Takeshita M, Takeuchi T, Kaneko Y. Changes in the molecular profiles of large-vessel vasculitis treated with biological disease-modifying anti-rheumatic drugs and Janus kinase inhibitors. Front Immunol 2023; 14:1197342. [PMID: 37197652 PMCID: PMC10183585 DOI: 10.3389/fimmu.2023.1197342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 04/19/2023] [Indexed: 05/19/2023] Open
Abstract
Giant cell arteritis and Takayasu arteritis are two types of primary large-vessel vasculitis (LVV). Although glucocorticoids (GC) are the standard treatment for LVV, the disease relapse rates are high. Recent clinical trials on biological disease-modifying anti-rheumatic drugs (bDMARDs) and Janus kinase (JAK) inhibitors have demonstrated their efficacy in reducing LVV relapse rates and GC dosages. However, the control of residual inflammation and degenerative alterations in the vessel wall remains an outstanding requirement in the clinical management of LVV. The analysis of immune cell phenotypes in patients with LVV may predict their response to treatment with bDMARDs and JAK inhibitors and guide their optimal use. In this mini-review, we focused on molecular markers, including the immune cell proportions and gene expression, in patients with LVV and in mouse models of LVV treated with bDMARDs and JAK inhibitors.
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Matsumoto K, Suzuki K, Yoshida H, Magi M, Kaneko Y, Takeuchi T. Longitudinal monitoring of circulating immune cell phenotypes in large vessel vasculitis. Autoimmun Rev 2022; 21:103160. [PMID: 35926769 DOI: 10.1016/j.autrev.2022.103160] [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: 07/17/2022] [Accepted: 07/29/2022] [Indexed: 11/30/2022]
Abstract
Giant cell arteritis (GCA) and Takayasu arteritis (TAK) are two types of primary large vessel vasculitis (LVV). LVV is an intractable, rare disease with a high relapse rate. Disease progression in asymptomatic patients is an important issue in the clinical management of LVV. Useful biomarkers associated with clinical phenotypes, disease activity, and prognosis may be present in peripheral blood. In this review, we focused on peripheral leukocyte counts, surface markers, functions, and gene expression in LVV patients. In particular, we explored longitudinal changes in circulating immune cell phenotypes during the active phase of the disease and during treatment. The numbers and phenotypes of leukocytes in the peripheral blood were different between LVV and healthy controls, GCA and TAK, LVV in active versus treatment phases, and LVV in treatment responders versus non-responders. Therefore, biomarkers obtained from peripheral blood immune cells may be useful for longitudinal monitoring of disease activity in LVV.
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Affiliation(s)
- Kotaro Matsumoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan.
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | | | - Mayu Magi
- Chugai Pharmaceutical Co. Ltd., Kanagawa, Japan
| | - Yuko Kaneko
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Watanabe R, Hashimoto M. Pathogenic role of monocytes/macrophages in large vessel vasculitis. Front Immunol 2022; 13:859502. [PMID: 35967455 PMCID: PMC9372263 DOI: 10.3389/fimmu.2022.859502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 07/11/2022] [Indexed: 11/21/2022] Open
Abstract
Vasculitis is an autoimmune vascular inflammation with an unknown etiology and causes vessel wall destruction. Depending on the size of the blood vessels, it is classified as large, medium, and small vessel vasculitis. A wide variety of immune cells are involved in the pathogenesis of vasculitis. Among these immune cells, monocytes and macrophages are functionally characterized by their capacity for phagocytosis, antigen presentation, and cytokine/chemokine production. After a long debate, recent technological advances have revealed the cellular origin of tissue macrophages in the vessel wall. Tissue macrophages are mainly derived from embryonic progenitor cells under homeostatic conditions, whereas bone marrow-derived circulating monocytes are recruited under inflammatory conditions, and then differentiate into macrophages in the arterial wall. Such macrophages infiltrate into an otherwise immunoprotected vascular site, digest tissue matrix with abundant proteolytic enzymes, and further recruit inflammatory cells through cytokine/chemokine production. In this way, macrophages amplify the inflammatory cascade and eventually cause tissue destruction. Recent studies have also demonstrated that monocytes/macrophages can be divided into several subpopulations based on the cell surface markers and gene expression. In this review, the subpopulations of circulating monocytes and the ontogeny of tissue macrophages in the artery are discussed. We also update the immunopathology of large vessel vasculitis, with a special focus on giant cell arteritis, and outline how monocytes/macrophages participate in the disease process of vascular inflammation. Finally, we discuss limitations of the current research and provide future research perspectives, particularly in humans. Through these processes, we explore the possibility of therapeutic strategies targeting monocytes/macrophages in vasculitis.
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Kabeerdoss J, Danda D, Goel R, Mohan H, Danda S, Scofield RH. Genome-Wide DNA Methylation Profiling in CD8 T-Cells and Gamma Delta T-Cells of Asian Indian Patients With Takayasu Arteritis. Front Cell Dev Biol 2022; 10:843413. [PMID: 35813204 PMCID: PMC9259853 DOI: 10.3389/fcell.2022.843413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Takayasu’s Arteritis (TA) is a chronic inflammatory disease that affects aorta and its main branches at their origin. Genetic, pathological and functional studies have shown that CD8 and Gamma delta (γ/δ) T-lymphocytes are involved in inflammatory processes in affected regions of arteries causing vascular damage. The molecular function of these lymphocytes remains unclear and currently no epigenetic studies are available in TA. We primarily performed genome wide methylation analysis in CD8 T cells and γδ T cells of patients with TA and compared with healthy controls. Methods: We recruited 12 subjects in each group namely TA patient and healthy controls. Blood samples were collected after obtaining informed written consent. CD8 T cells and γδ T cells were separated from whole blood. DNA extracted from these cells and were subjected to bisulfite treatment. Finally, bisulfite treated DNA was loaded in Infinium Methylation EPIC array. Bioinformatics analysis was used to identify differential methylation regions which were then mapped to genes. Results: Interleukin (IL)-32 and Lymphotoxin-A were genes significantly hypomethylated in CD8 T-cells. Anti-inflammatory cytokine genes, IL-10, IL-1RN and IL-27 were hypomethylated in γδ T cells of TA patients as compared to healthy controls. Gene enrichment analysis using Gene Ontology (GO) database and Kyoto Encyclopaedia of Genes and Genomes (KEGG) identified that genes involved in T-cell receptor signalling pathways were hypomethylated in CD8 T-cells and hypermethylated in γδ T cells of TA patients. Conclusion: CD8 T-cells might play a major role in immunopathogenesis of inflammation in TA, whereas γδ T cells may play a regulatory role.
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Affiliation(s)
- Jayakanthan Kabeerdoss
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
- Department of Pediatrics, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
- *Correspondence: Debashish Danda, ; Jayakanthan Kabeerdoss,
| | - Debashish Danda
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
- *Correspondence: Debashish Danda, ; Jayakanthan Kabeerdoss,
| | - Ruchika Goel
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
| | - Hindhumathi Mohan
- Department of Clinical Immunology and Rheumatology, Christian Medical College, Vellore, India
| | - Sumita Danda
- Department of Medical Genetics, Christian Medical College, Vellore, India
| | - R. Hal Scofield
- Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
- Department of Veterans Affairs, University of Oklahoma Health Sciences Center, Oklahoma City, OK, United States
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Watanabe R, Hashimoto M. Vasculitogenic T Cells in Large Vessel Vasculitis. Front Immunol 2022; 13:923582. [PMID: 35784327 PMCID: PMC9240193 DOI: 10.3389/fimmu.2022.923582] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Vasculitis is an autoimmune disease of unknown etiology that causes inflammation of the blood vessels. Large vessel vasculitis is classified as either giant cell arteritis (GCA), which occurs exclusively in the elderly, or Takayasu arteritis (TAK), which mainly affects young women. Various cell types are involved in the pathogenesis of large vessel vasculitis. Among these, dendritic cells located between the adventitia and the media initiate the inflammatory cascade as antigen-presenting cells, followed by activation of macrophages and T cells contributing to vessel wall destruction. In both diseases, naive CD4+ T cells are polarized to differentiate into Th1 or Th17 cells, whereas differentiation into regulatory T cells, which suppress vascular inflammation, is inhibited. Skewed T cell differentiation is the result of aberrant intracellular signaling, such as the mechanistic target of rapamycin (mTOR) or the Janus kinase signal transducer and activator of transcription (JAK-STAT) pathways. It has also become clear that tissue niches in the vasculature fuel activated T cells and maintain tissue-resident memory T cells. In this review, we outline the most recent understanding of the pathophysiology of large vessel vasculitis. Then, we provide a summary of skewed T cell differentiation in the vasculature and peripheral blood. Finally, new therapeutic strategies for correcting skewed T cell differentiation as well as aberrant intracellular signaling are discussed.
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Robert M, Miossec P, Hot A. The Th17 Pathway in Vascular Inflammation: Culprit or Consort? Front Immunol 2022; 13:888763. [PMID: 35479069 PMCID: PMC9035791 DOI: 10.3389/fimmu.2022.888763] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
The involvement of IL-17A in autoimmune and inflammatory diseases has prompted the development of therapeutic strategies to block the Th17 pathway. Promising results came from their use in psoriasis and in ankylosing spondylitis. IL-17A acts on various cell types and has both local and systemic effects. Considering the premature mortality observed during chronic inflammatory diseases, IL-17A action on vascular cells was studied. Both in vitro and in vivo results suggest that this cytokine favors inflammation, coagulation and thrombosis and promotes the occurrence of cardiovascular events. These observations led to study the role of IL-17A in diseases characterized by vascular inflammation, namely allograft rejection and vasculitis. Increased circulating levels of IL-17A and histological staining reveal that the Th17 pathway is involved in the pathogenesis of these diseases. Vasculitis treatment faces challenges while the use of steroids has many side effects. Regarding results obtained in giant cell arteritis with IL-6 inhibitors, a cytokine involved in Th17 differentiation, the use of anti-IL-17 is a promising strategy. However, lessons from rheumatoid arthritis and multiple sclerosis must be learnt before targeting IL-17 in vasculitis, which may be culprit, consort or both of them.
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Affiliation(s)
- Marie Robert
- Department of Clinical Immunology and Rheumatology, and Immunogenomics and Inflammation Research Unit, University of Lyon, Hôpital Edouard Herriot, Lyon, France
- Department of Internal Medicine, University of Lyon, Hôpital Edouard Herriot, Lyon, France
- *Correspondence: Marie Robert,
| | - Pierre Miossec
- Department of Clinical Immunology and Rheumatology, and Immunogenomics and Inflammation Research Unit, University of Lyon, Hôpital Edouard Herriot, Lyon, France
| | - Arnaud Hot
- Department of Internal Medicine, University of Lyon, Hôpital Edouard Herriot, Lyon, France
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Kong X, Wu S, Dai X, Yu W, Wang J, Sun Y, Ji Z, Ma L, Dai X, Chen H, Ma L, Jiang L. A comprehensive profile of chemokines in the peripheral blood and vascular tissue of patients with Takayasu arteritis. Arthritis Res Ther 2022; 24:49. [PMID: 35172901 PMCID: PMC8848964 DOI: 10.1186/s13075-022-02740-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/07/2022] [Indexed: 12/21/2022] Open
Abstract
Background Takayasu arteritis (TAK) is a chronic granulomatous large vessel vasculitis with multiple immune cells involved. Chemokines play critical roles in recruitment and activation of immune cells. This study aimed to investigate chemokine profile in the peripheral blood and vascular tissue of patients with TAK. Methods A total of 58 patients with TAK and 53 healthy controls were enrolled. Chemokine array assay was performed in five patients with TAK and three controls. Chemokines with higher levels were preliminarily validated in 20 patients and controls. The validated chemokines were further confirmed in another group of samples with 25 patients and 25 controls. Their expression and distribution were also examined in vascular tissue from 8 patients and 5 controls. Correlations between these chemokines and peripheral immune cells, cytokines, and disease activity parameters were analyzed. Their serum changes were also investigated in these 45 patients after glucocorticoids and immunosuppressive treatment. Results Patients and controls were age and sex-matched. Twelve higher chemokines and 4 lower chemokines were found based on the chemokine array. After validation, increase of 5 chemokines were confirmed in patients with TAK, including CCL22, RANTES, CXCL16, CXCL11, and IL-16. Their expressions were also increased in vascular tissue of patients with TAK. In addition, levels of RANTES and IL-16 were positively correlated with peripheral CD3+CD4+ T cell numbers. Close localization of CCL22, CXCL11, or IL-16 with inflammatory cells was also observed in TAK vascular tissue. No correlations were found between these chemokines and cytokines (IL-6, IL-17, IFN-γ) or inflammatory parameters (ESR, CRP). No differences were observed regarding with these chemokines between active and inactive patients. After treatment, increase of CCL22 and decrease of RANTES and CXCL16 were found, while no changes were showed in levels of CXCL11 and IL-16. Conclusions CCL22, RANTES, CXCL16, CXCL11, and IL-16 were identified as the major chemokines involved in the recruitment of immune cells in the vascular tissue of patients with TAK. Additionally, the persistently high levels of CCL22, CXCL11, and IL-16 observed after treatment indicate their role in vascular chronic inflammation or fibrosis and demonstrate the need for developing more efficacious treatment options. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-022-02740-x.
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Affiliation(s)
- Xiufang Kong
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Sifan Wu
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Xiaojuan Dai
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Wensu Yu
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Jinghua Wang
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Ying Sun
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Zongfei Ji
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Lingying Ma
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Xiaomin Dai
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Huiyong Chen
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Lili Ma
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Lindi Jiang
- Department of Rheumatology, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China. .,Center of Clinical Epidemiology and Evidence-based Medicine, Fudan University, Shanghai, China.
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15
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Jia W, Fu ZL, Wang X, Luo J, Yan CL, Cao JP, Yan-Liu, Xie JF, Liu GY, Gao C, Li XF. Decreased Absolute Number of Circulating Regulatory T Cells in Patients With Takayasu's Arteritis. Front Immunol 2022; 12:768244. [PMID: 35006213 PMCID: PMC8732761 DOI: 10.3389/fimmu.2021.768244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 12/01/2021] [Indexed: 11/13/2022] Open
Abstract
Background Takayasu's arteritis (TA) is a type of primary large vessel vasculitis. Th1, Th17, and Tfh cells have been reported to be associated with TA relapse. However, the relationship between regulatory T cells (Tregs) and TA remains unclear. Objective To analyze the levels of circulating lymphocytes, especially Treg cells (CD4+CD25+FOXP3+ T cells) and serum cytokines in TA patients and explore their relationship with their changes and TA disease activity. Methods A total of 57 TA patients and 43 sex- and age-matched healthy controls (HCs) were enrolled. According to NIH standards, 36 patients had active disease status. Flow cytometry combined with counting was used to detect the absolute numbers and ratios of Th1, Th2, Th17, and Treg cells in the peripheral blood of all the subjects. Magnetic bead-based multiplex immunoassay was used to detect cytokines. Results Compared to HCs, the absolute number and proportion of peripheral Treg cells in TA patients was significantly decreased, while Th17 cells were significantly increased. Furthermore, compared to the inactive group, the TA active group had significantly increased levels of interleukin (IL)-6, IL-10, and tumor necrosis factor (TNF)-α, but lower IL-10 levels. The absolute number of Th2 cells was negatively associated with platelet (PLT) and NIS scores in TA patients. The proportion of Th2 cells was negatively associated with the erythrocyte sedimentation rate in TA patients. After treatment, Treg cells were markedly increased. Conclusion There was a Th17-Treg cell imbalance with a significant reduction in peripheral Treg cells and an increase in Th17 cells in TA patients compared to the HCs. The levels of IL-6, IL-10, IL-17, and TNF-α appeared to be related to disease activity.
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Affiliation(s)
- Wen Jia
- Department of Rheumatology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Zi-Li Fu
- Department of Rheumatology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Xia Wang
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jing Luo
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Cheng-Lan Yan
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jian-Ping Cao
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Yan-Liu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jian-Fang Xie
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Guang-Ying Liu
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Chong Gao
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Xiao-Feng Li
- Department of Rheumatology, The Second Hospital of Shanxi Medical University, Taiyuan, China
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Abstract
Two vasculitides, giant cell arteritis (GCA) and Takayasu arteritis (TAK), are recognized as autoimmune and autoinflammatory diseases that manifest exclusively within the aorta and its large branches. In both entities, the age of the affected host is a critical risk factor. TAK manifests during the 2nd-4th decade of life, occurring while the immune system is at its height of performance. GCA is a disease of older individuals, with infrequent cases during the 6th decade and peak incidence during the 8th decade of life. In both vasculitides, macrophages and T cells infiltrate into the adventitia and media of affected vessels, induce granulomatous inflammation, cause vessel wall destruction, and reprogram vascular cells to drive adventitial and neointimal expansion. In GCA, abnormal immunity originates in an aged immune system and evolves within the aged vascular microenvironment. One hallmark of the aging immune system is the preferential loss of CD8+ T cell function. Accordingly, in GCA but not in TAK, CD8+ effector T cells play a negligible role and anti-inflammatory CD8+ T regulatory cells are selectively impaired. Here, we review current evidence of how the process of immunosenescence impacts the risk for GCA and how fundamental differences in the age of the immune system translate into differences in the granulomatous immunopathology of TAK versus GCA.
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17
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Tian Y, Li J, Tian X, Zeng X. Using the co-expression network of T cell-activation-related genes to assess the disease activity in Takayasu's arteritis patients. Arthritis Res Ther 2021; 23:303. [PMID: 34915894 PMCID: PMC8675511 DOI: 10.1186/s13075-021-02636-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/28/2021] [Indexed: 02/02/2023] Open
Abstract
Background There have been lacking reliable serum biomarkers in assessing the disease activity of Takayasu’s arteritis (TAK). This study aimed to assess the disease activity of TAK by assayed gene expression levels in peripheral mononuclear cells (PBMCs). Methods The expression level of genes that essential in T cell activation in PBMCs in active TAK patients, inactive TAK patients, and healthy controls were detected by real-time fluorescence quantitative polymerase chain reaction, including TCR, CD28, CD40, CD40L, PD-1, PD-L1, PD-L2, CTLA4, TIGIT, TIM3, LAG3, CCL5, T-bet, RORC, and FOXP3. Gene co-expression network was established, and the signature of the topology structure in active TAK patients compared to the inactive TAK patients were extracted and described by formulas. Respectively, the disease activity was assessed by the routine serum biomarkers, including ESR, CRP, IL-6, and TNF-α, the gene expression level of TCR, CD28, T-bet, and RORC, as well as the signature of the topology structure, and the diagnostic efficacies were compared. Results Compared with the inactive TAK patient group, the active TAK patient group had a greater clustering coefficient in the network consisting of genes that essential in T cell activation. When assessing the disease activity used this signature of topology structure, the sensitivity was 90.9%, the specificity was 100%, and the AUC was 0.98, which was greater than the AUCs of these biomarkers. Conclusions The signature of the topology structure could distinguish the active TAK patients from inactive TAK patients. This maybe is a novel evaluation algorithm of disease activity. Supplementary Information The online version contains supplementary material available at 10.1186/s13075-021-02636-2.
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Affiliation(s)
- Yixiao Tian
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No.1 Shuai-Fu-yuan, Dongcheng District, Beijing, 100730, China
| | - Jing Li
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No.1 Shuai-Fu-yuan, Dongcheng District, Beijing, 100730, China.
| | - Xinping Tian
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No.1 Shuai-Fu-yuan, Dongcheng District, Beijing, 100730, China.
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Chinese Academy of Medical Sciences & Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital (PUMCH), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, No.1 Shuai-Fu-yuan, Dongcheng District, Beijing, 100730, China
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Functionally Heterogenous Macrophage Subsets in the Pathogenesis of Giant Cell Arteritis: Novel Targets for Disease Monitoring and Treatment. J Clin Med 2021; 10:jcm10214958. [PMID: 34768479 PMCID: PMC8585092 DOI: 10.3390/jcm10214958] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/20/2021] [Accepted: 10/23/2021] [Indexed: 12/19/2022] Open
Abstract
Giant cell arteritis (GCA) is a granulomatous large-vessel vasculitis that affects adults above 50 years of age. In GCA, circulating monocytes are recruited to the inflamed arteries. With cues from the vascular microenvironment, they differentiate into macrophages and play important roles in the pathogenesis of GCA via pro-inflammatory cytokine production and vascular remodeling. However, a deeper understanding of macrophage heterogeneity in GCA pathogenesis is needed to assist the development of novel diagnostic tools and targeted therapies. Here, we review the current knowledge on macrophage heterogeneity and diverse functions of macrophage subsets in the pathogenesis of GCA. We next discuss the possibility to exploit their heterogeneity as a source of novel biomarkers and as targets for nuclear imaging. Finally, we discuss novel macrophage-targeted therapies and future directions for targeting these cells in GCA.
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The role of CD8 + Granzyme B + T cells in the pathogenesis of Takayasu's arteritis. Clin Rheumatol 2021; 41:167-176. [PMID: 34494213 DOI: 10.1007/s10067-021-05903-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/11/2021] [Accepted: 09/01/2021] [Indexed: 01/26/2023]
Abstract
OBJECTIVE T cell-mediated immune response plays a key role in Takayasu arteritis (TAK). Although previous studies have showed the roles of CD4+T cell and its subsets in TAK, the change of CD8+ T cell subsets remains unclear. This study investigated the role of CD8+ T cell subsets in TAK. METHODS The study consisted of 56 TA patients and 51 healthy controls. The percentages of CD8+T cells, CD8+GranzymeB+ T cells, CD8+Perforin+ T cells, and CD8+IFN-γ+ T cells in blood samples were analyzed by flow cytometry. RESULTS We found that the percentages of CD8+GranzymeB+ T cells (P = 0.030), CD8+Perforin+ T cells (P = 0.000), and CD8+IFN-γ+ T cells (P = 0.002) in CD8+T cells were higher in TAK patients compared to control group. After 6 months of treatment, the proportion of CD8+T cells in lymphocytes were significantly lower in TAK patients than the baseline assessment (P = 0.033). A lower ratio of CD8+GranzymeB+ T cells/CD8+ T cells were showed in TAK patents after treatment compared with TAK patients before treatments (P = 0.011). The change of CD8+GranzymeB+ T cells/CD8+ T cells ratio was positively correlated with the change of ITAS (r = 0.721, P = 0.002) and ITAS-A (r = 0.637, P = 0.008). Finally, the immunofluorescence staining showed the infiltration of CD8+ Granzyme B + cells in the aortic tissue of TAK patients. CONCLUSION Our results disclose that the CD8+ T lymphocytes may play a role in TAK pathogenesis. Targeting CD8+GranzymeB+ T lymphocytes or Granzyme B inhibitors could be a potential therapeutic approach for the treatment of TAK. Key Points • Our study investigated role the of CD8+ T cell subsets in TAK. • We found the percentages of CD8+GranzymeB+ T cells, CD8+Perforin+ T cells, and CD8+IFN-γ+ T cells in CD3+CD8+T cells were higher in TAK patients. • The proportion of CD8+T cells in lymphocytes and the ratio of CD8+GranzymeB+ T cells/CD8+ T cells were significantly lower in TAK patients after treatment.
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CD8 + T lymphocyte is a main source of interferon-gamma production in Takayasu's arteritis. Sci Rep 2021; 11:17111. [PMID: 34429489 PMCID: PMC8384861 DOI: 10.1038/s41598-021-96632-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 08/05/2021] [Indexed: 01/27/2023] Open
Abstract
Interferon-gamma (IFN-γ) is a cytokine involved in the pathogenesis of Takayasu’s arteritis (TAK). However, the source of IFN-γ in TAK patients is not fully clear. We aimed to investigate the source of IFN-γ in TAK. 60 TAK patients and 35 health controls were enrolled. The lymphocyte subsets of peripheral blood were detected by flow cytometry, cytokines were detected by Bio-plex. The correlation among lymphocyte subsets, cytokines and disease activity indexes was analyzed by person correlation. The level of serum IFN-γ in TAK patients was significantly increased (P < 0.05). The percentage of CD3+IFN-γ+ cells in peripheral blood CD3+ cells was significantly higher in TAK patients than that of healthy control group (P = 0.002). A higher proportion of CD3+CD8+IFN-γ+ cells/CD3+IFN-γ+ cells (40.23 ± 11.98% vs 35.12 ± 11.51%, P = 0.049), and a significantly lower CD3+CD4+IFN-γ+/ CD3+CD8+IFN-γ+ ratio (1.34 ± 0.62% vs 1.80 ± 1.33%, P = 0.027) were showed in the TAK group than that of control group. The CD3+CD8+IFN-γ+/CD3+IFN-γ+ ratio was positively correlated with CD3+IFN-γ+cells/ CD3+cells ratio (r = 0.430, P = 0.001), serum IFN-γ level (r = 0.318, P = 0.040) and IL-17 level (r = 0.326, P = 0.031). It was negatively correlated with CD3+CD4+IFN-γ+/CD3+IFN-γ+ ratio (r = − 0.845, P < 0.001). IFN-γ secreted by CD3+CD8 + T cells is an important source of serum IFN-γ in TAK patients.
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21
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Graver JC, Abdulahad W, van der Geest KSM, Heeringa P, Boots AMH, Brouwer E, Sandovici M. Association of the CXCL9-CXCR3 and CXCL13-CXCR5 axes with B-cell trafficking in giant cell arteritis and polymyalgia rheumatica. J Autoimmun 2021; 123:102684. [PMID: 34237649 DOI: 10.1016/j.jaut.2021.102684] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 06/08/2021] [Accepted: 06/08/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE B-cells are present in the inflamed arteries of giant cell arteritis (GCA) patients and a disturbed B-cell homeostasis is reported in peripheral blood of both GCA and the overlapping disease polymyalgia rheumatica (PMR). In this study, we aimed to investigate chemokine-chemokine receptor axes governing the migration of B-cells in GCA and PMR. METHODS We performed Luminex screening assay for serum levels of B-cell related chemokines in treatment-naïve GCA (n = 41), PMR (n = 31) and age- and sex matched healthy controls (HC, n = 34). Expression of chemokine receptors on circulating B-cell subsets were investigated by flow cytometry. Immunohistochemistry was performed on GCA temporal artery (n = 14) and aorta (n = 10) and on atherosclerosis aorta (n = 10) tissue. RESULTS The chemokines CXCL9 and CXCL13 were significantly increased in the circulation of treatment-naïve GCA and PMR patients. CXCL13 increased even further after three months of glucocorticoid treatment. At baseline CXCL13 correlated with disease activity markers. Peripheral CXCR3+ and CXCR5+ switched memory B-cells were significantly reduced in both patient groups and correlated inversely with their complementary chemokines CXCL9 and CXCL13. At the arterial lesions in GCA, CXCR3+ and CXCR5+ B-cells were observed in areas with high CXCL9 and CXCL13 expression. CONCLUSION Changes in systemic and local chemokine and chemokine receptor pathways related to B-cell migration were observed in GCA and PMR mainly in the CXCL9-CXCR3 and CXCL13-CXCR5 axes. These changes can contribute to homing and organization of B-cells in the vessel wall and provide further evidence for an active involvement of B-cells in GCA and PMR.
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Affiliation(s)
- Jacoba C Graver
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Wayel Abdulahad
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Kornelis S M van der Geest
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Peter Heeringa
- Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Annemieke M H Boots
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Elisabeth Brouwer
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands
| | - Maria Sandovici
- Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, the Netherlands.
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Matsumoto K, Suzuki K, Yoshimoto K, Ishigaki S, Yoshida H, Magi M, Matsumoto Y, Kaneko Y, Takeuchi T. Interleukin-1 pathway in active large vessel vasculitis patients with a poor prognosis: a longitudinal transcriptome analysis. Clin Transl Immunology 2021; 10:e1307. [PMID: 34249359 PMCID: PMC8251870 DOI: 10.1002/cti2.1307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 05/14/2021] [Accepted: 06/08/2021] [Indexed: 12/23/2022] Open
Abstract
Objectives Large vessel vasculitis (LVV) is characterised by a high relapse rate. Because accurate assessment of the LVV disease status can be difficult, an accurate prognostic marker for initial risk stratification is required. We conducted a comprehensive longitudinal investigation of next‐generation RNA‐sequencing data for patients with LVV to explore useful biomarkers associated with clinical characteristics. Methods Key molecular pathways relevant to LVV pathogenesis were identified by examining the whole blood RNA from patients with LVV and healthy controls (HCs). The data were examined by pathway analysis and weighted gene correlation network analysis (WGCNA) to identify functional gene sets that were differentially expressed between LVV patients and HCs, and associated with clinical features. We then compared the expression of the selected genes during week 0, week 6, remission and relapse. Results The whole‐transcriptome gene expression data for 108 samples obtained from LVV patients (n = 27) and HCs (n = 12) were compared. The pathway analysis and WGCNA revealed that molecular pathway related to interleukin (IL)‐1 was significantly upregulated in LVV patients compared with HCs, which correlated with the positron emission tomography vascular activity score, a disease‐extent score based on the distribution of affected arteries. Further analysis revealed that the expression levels of genes in the IL‐1 signalling pathway remained high after conventional treatment and were associated with disease relapse. Conclusion Upregulation of the IL‐1 signalling pathway was a characteristic of LVV patients and was associated with the extent of disease and a poor prognosis.
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Affiliation(s)
- Kotaro Matsumoto
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
| | - Katsuya Suzuki
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
| | - Keiko Yoshimoto
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
| | - Sho Ishigaki
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
| | | | - Mayu Magi
- Chugai Pharmaceutical Co. Ltd Kanagawa Japan
| | | | - Yuko Kaneko
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology Department of Internal Medicine Keio University School of Medicine Tokyo Japan
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Desbois AC, Régnier P, Quiniou V, Lejoncour A, Maciejewski-Duval A, Comarmond C, Vallet H, Rosenzwag M, Darrasse-Jèze G, Derian N, Pouchot J, Samson M, Bienvenu B, Fouret P, Koskas F, Garrido M, Sène D, Bruneval P, Cacoub P, Klatzmann D, Saadoun D. Specific Follicular Helper T Cell Signature in Takayasu Arteritis. Arthritis Rheumatol 2021; 73:1233-1243. [PMID: 33538119 DOI: 10.1002/art.41672] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 12/09/2020] [Accepted: 01/28/2021] [Indexed: 01/21/2023]
Abstract
OBJECTIVE Our aim was to compare transcriptome and phenotype profiles of CD4+ T cells and CD19+ B cells in patients with Takayasu arteritis (TAK), patients with giant cell arteritis (GCA), and healthy donors. METHODS Gene expression analyses, flow cytometry immunophenotyping, T cell receptor (TCR) gene sequencing, and functional assessments of cells from peripheral blood and arterial lesions from TAK patients, GCA patients, and healthy donors were performed. RESULTS Among the most significantly dysregulated genes in CD4+ T cells of TAK patients compared to GCA patients (n = 720 genes) and in CD4+ T cells of TAK patients compared to healthy donors (n = 1,447 genes), we identified a follicular helper T (Tfh) cell signature, which included CXCR5, CCR6, and CCL20 genes, that was transcriptionally up-regulated in TAK patients. Phenotypically, there was an increase in CD4+CXCR5+CCR6+CXCR3- Tfh17 cells in TAK patients that was associated with a significant enrichment of CD19+ B cell activation. Functionally, Tfh cells helped B cells to proliferate, differentiate into memory cells, and secrete IgG antibodies. Maturation of B cells was inhibited by JAK inhibitors. Locally, in areas of arterial inflammation, we found a higher proportion of tertiary lymphoid structures comprised CD4+, CXCR5+, programmed death 1+, and CD20+ cells in TAK patients compared to GCA patients. CD4+CXCR5+ T cells in the aortas of TAK patients had an oligoclonal α/β TCR repertoire. CONCLUSION We established the presence of a specific Tfh cell signature in both circulating and aorta-infiltrating CD4+ T cells from TAK patients. The cooperation of Tfh cells and B cells might be critical in the occurrence of vascular inflammation in patients with TAK.
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Affiliation(s)
- A C Desbois
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
| | - P Régnier
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
| | - V Quiniou
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - A Lejoncour
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
| | - A Maciejewski-Duval
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - C Comarmond
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
| | - H Vallet
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - M Rosenzwag
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - G Darrasse-Jèze
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - N Derian
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - J Pouchot
- Hôpital Européen Georges-Pompidou, AP-HP, Université Paris Descartes, Paris, France
| | - M Samson
- Centre Hospitalier Universitaire Dijon Bourgogne, Université Bourgogne-Franche Comté, INSERM EFS Bourgogne-Franche Comté UMR1098, Dijon, France
| | - B Bienvenu
- Centre Hospitalier Universitaire Caen, Caen, France
| | - P Fouret
- Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - F Koskas
- Groupe Hospitalier Pitié-Salpétrière, Paris, France
| | - M Garrido
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - D Sène
- Hôpital Lariboisière, Paris, France
| | - P Bruneval
- Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - P Cacoub
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
| | - D Klatzmann
- Sorbonne Université, INSERM UMR 959, Groupe Hospitalier Pitié-Salpêtrière, AP-HP, Paris, France
| | - D Saadoun
- Sorbonne Université, Centre National de Références Maladies Autoimmunes et Systémiques Rares et Maladies Autoinflammatoires Rares, INSERM UMR 959, Groupe Hôpital Pitié-Salpêtrière, AP-HP, Paris, France
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24
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Khan S. JAK-inhibition as a therapeutic strategy for refractory primary systemic vasculitides. Clin Med (Lond) 2021; 21:e241-e242. [PMID: 33762397 DOI: 10.7861/clinmed.let.21.2.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Sujoy Khan
- Consultant immunologist, Castle Hill Hospital, Cottingham, UK
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25
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Robinette ML, Rao DA, Monach PA. The Immunopathology of Giant Cell Arteritis Across Disease Spectra. Front Immunol 2021; 12:623716. [PMID: 33717128 PMCID: PMC7946968 DOI: 10.3389/fimmu.2021.623716] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
Giant cell arteritis (GCA) is a granulomatous systemic vasculitis of large- and medium-sized arteries that affects the elderly. In recent years, advances in diagnostic imaging have revealed a greater degree of large vessel involvement than previously recognized, distinguishing classical cranial- from large vessel (LV)- GCA. GCA often co-occurs with the poorly understood inflammatory arthritis/bursitis condition polymyalgia rheumatica (PMR) and has overlapping features with other non-infectious granulomatous vasculitides that affect the aorta, namely Takayasu Arteritis (TAK) and the more recently described clinically isolated aortitis (CIA). Here, we review the literature focused on the immunopathology of GCA on the background of the three settings in which comparisons are informative: LV and cranial variants of GCA; PMR and GCA; the three granulomatous vasculitides (GCA, TAK, and CIA). We discuss overlapping and unique features between these conditions across clinical presentation, epidemiology, imaging, and conventional histology. We propose a model of GCA where abnormally activated circulating cells, especially monocytes and CD4+ T cells, enter arteries after an unknown stimulus and cooperate to destroy it and review the evidence for how this mechanistically occurs in active disease and improves with treatment.
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Affiliation(s)
- Michelle L Robinette
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Deepak A Rao
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Paul A Monach
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States.,Rheumatology Section, VA Boston Healthcare System, Boston, MA, United States
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26
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Tombetti E, Hysa E, Mason JC, Cimmino MA, Camellino D. Blood Biomarkers for Monitoring and Prognosis of Large Vessel Vasculitides. Curr Rheumatol Rep 2021; 23:17. [PMID: 33569633 PMCID: PMC7875948 DOI: 10.1007/s11926-021-00980-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/05/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW Large vessel vasculitides (LVVs) are inflammatory conditions of the wall of large-sized arteries, mainly represented by giant cell arteritis (GCA) and Takayasu arteritis (TA). The inflammatory process within the vessel wall can lead to serious consequences such as development of aneurysms, strokes and blindness; therefore, early diagnosis and follow-up of LVV are fundamental. However, the arterial wall is poorly accessible and blood biomarkers are intended to help physicians not only in disease diagnosis but also in monitoring and defining the prognosis of these conditions, thus assisting therapeutic decisions and favouring personalised management. The field is the object of intense research as the identification of reliable biomarkers is likely to shed light on the mechanisms of disease progression and arterial remodelling. In this review, we will discuss the role of blood biomarkers in LVVs in the light of the latest evidence. RECENT FINDINGS In clinical practice, the most widely performed laboratory investigations are the erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP). However, these indices may be within normal limits during disease relapse and they are not reliable in patients receiving interleukin-6 (IL-6) receptor inhibitors. New biomarkers struggle to gain traction in clinical practice and no molecule with good accuracy has been identified to date. IL-6, a pro-inflammatory cytokine that drives CRP synthesis and increases the ESR, is one of the most promising biomarkers in the field. IL-6 analysis is increasingly performed, and serum levels are more sensitive than ESR for active GCA and might reflect persistent inflammation with high risk of relapse in patients on IL-6 receptor inhibitors. A future with biomarkers that reflect different disease features is an important aspiration. Accordingly, intense effort is being made to identify IL-6-independent inflammatory biomarkers, such as S100 proteins, pentraxin-3 and osteopontin. Moreover, metalloproteinases such as MMP2/9 and angiogenic modulators such as VEGF, YLK-40 and angiopoietins are being studied as markers of arterial remodelling. Lastly, biomarkers indicating organ damage may guide prognostic stratification as well as emergency therapeutic decisions: the most promising biomarkers so far identified are NT-proBNP, which reflects myocardial strain; pentraxin-3, which has been associated with recent optic nerve ischemia; and endothelin-1, which is associated with ischaemic complications. Currently, the use of these molecules in clinical practice is limited because of their restricted availability, lack of sufficient studies supporting their validity and associated costs. Further evidence is required to better interpret their biological and clinical value.
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Affiliation(s)
- Enrico Tombetti
- Internal Medicine, Department of Biomedical and Clinical Sciences "Luigi Sacco", Milan, Italy
- Internal Medicine and Rheumatology, Sacco and Fatebenefratelli Hospitals, Milan, Italy
| | - Elvis Hysa
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Justin C Mason
- National Heart and Lung Institute, Imperial College London, London, UK
- Rheumatology, Hammersmith Hospital, Imperial College NHS Trust, London, UK
| | - Marco A Cimmino
- Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genoa, Genoa, Italy
| | - Dario Camellino
- Division of Rheumatology, Musculoskeletal System Department, La Colletta Hospital, Local Health Trust 3 Genoa, Via del Giappone 3, 16011, Arenzano, Italy.
- Autoimmunology Laboratory, Department of Internal Medicine, University of Genoa, Genoa, Italy.
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27
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Watanabe R, Berry GJ, Liang DH, Goronzy JJ, Weyand CM. Cellular Signaling Pathways in Medium and Large Vessel Vasculitis. Front Immunol 2020; 11:587089. [PMID: 33072134 PMCID: PMC7544845 DOI: 10.3389/fimmu.2020.587089] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 08/25/2020] [Indexed: 12/17/2022] Open
Abstract
Autoimmune and autoinflammatory diseases of the medium and large arteries, including the aorta, cause life-threatening complications due to vessel wall destruction but also by wall remodeling, such as the formation of wall-penetrating microvessels and lumen-stenosing neointima. The two most frequent large vessel vasculitides, giant cell arteritis (GCA) and Takayasu arteritis (TAK), are HLA-associated diseases, strongly suggestive for a critical role of T cells and antigen recognition in disease pathogenesis. Recent studies have revealed a growing spectrum of effector functions through which T cells participate in the immunopathology of GCA and TAK; causing the disease-specific patterning of pathology and clinical outcome. Core pathogenic features of disease-relevant T cells rely on the interaction with endothelial cells, dendritic cells and macrophages and lead to vessel wall invasion, formation of tissue-damaging granulomatous infiltrates and induction of the name-giving multinucleated giant cells. Besides antigen, pathogenic T cells encounter danger signals in their immediate microenvironment that they translate into disease-relevant effector functions. Decisive signaling pathways, such as the AKT pathway, the NOTCH pathway, and the JAK/STAT pathway modify antigen-induced T cell activation and emerge as promising therapeutic targets to halt disease progression and, eventually, reset the immune system to reestablish the immune privilege of the arterial wall.
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Affiliation(s)
- Ryu Watanabe
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, United States
| | - David H Liang
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Jörg J Goronzy
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
| | - Cornelia M Weyand
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, United States
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28
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Watanabe R, Berry GJ, Liang DH, Goronzy JJ, Weyand CM. Pathogenesis of Giant Cell Arteritis and Takayasu Arteritis-Similarities and Differences. Curr Rheumatol Rep 2020; 22:68. [PMID: 32845392 DOI: 10.1007/s11926-020-00948-x] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Giant cell arteritis (GCA) and Takayasu arteritis (TAK) are auto-inflammatory and autoimmune diseases with a highly selective tissue tropism for medium and large arteries. In both diseases, CD4+ T cells and macrophages form granulomatous lesions within the arterial wall, a tissue site normally protected by immune privilege. Vascular lesions can be accompanied by an extravascular component, typically an intense hepatic acute phase response that produces well-known laboratory abnormalities, e.g., elevated ESR and CRP. It is unclear whether GCA and TAK lie on a spectrum of disease or whether they represent fundamentally different disease processes. RECENT FINDINGS GCA and TAK share many clinical features, but there are substantial differences in genetics, epidemiology, disease mechanisms, response to treatment, and treatment complications that give rise to different disease trajectories. A significant difference lies in the composition of the wall-infiltrating immune cell compartment, which in TAK includes a significant population of CD8+ T cells as well as natural killer cells, specifying disparate disease effector pathways mediating tissue damage and vessel wall remodeling. Despite the similarities in tissue tropism and histomorphology, GCA and TAK are two distinct vasculitides that rely on separate disease mechanisms and require disease-specific approaches in diagnosis and management.
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Affiliation(s)
- Ryu Watanabe
- Department of Medicine, Stanford University School of Medicine, CCSR Building Room 2225, 269 Campus Drive West, Stanford, CA, 94305-5166, USA.,Department of Advanced Medicine for Rheumatic Diseases, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - David H Liang
- Department of Medicine, Stanford University School of Medicine, CCSR Building Room 2225, 269 Campus Drive West, Stanford, CA, 94305-5166, USA
| | - Jörg J Goronzy
- Department of Medicine, Stanford University School of Medicine, CCSR Building Room 2225, 269 Campus Drive West, Stanford, CA, 94305-5166, USA
| | - Cornelia M Weyand
- Department of Medicine, Stanford University School of Medicine, CCSR Building Room 2225, 269 Campus Drive West, Stanford, CA, 94305-5166, USA.
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29
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Tanimura S, Nakamura H, Horita T. Response to: 'Comment on 'Successful remission with tofacitinib in a patient with refractory Takayasu arteritis complicated by ulcerative colitis' by Kuwabara et al' by Rios Rodriguez et al. Ann Rheum Dis 2020; 81:e94. [PMID: 32581087 DOI: 10.1136/annrheumdis-2020-218055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 06/04/2020] [Indexed: 11/04/2022]
Affiliation(s)
- Shun Tanimura
- Internal Medicine, Tomakomai City Hospital, Tomakomai, Hokkaido 053-8567, Japan
| | - Hiroyuki Nakamura
- Internal Medicine, Tomakomai City Hospital, Tomakomai, Hokkaido 053-8567, Japan
| | - Tetsuya Horita
- Internal Medicine, Tomakomai City Hospital, Tomakomai, Hokkaido 053-8567, Japan
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30
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Matsumoto K, Suzuki K, Yoshimoto K, Seki N, Tsujimoto H, Chiba K, Takeuchi T. Longitudinal immune cell monitoring identified CD14 ++ CD16 + intermediate monocyte as a marker of relapse in patients with ANCA-associated vasculitis. Arthritis Res Ther 2020; 22:145. [PMID: 32546274 PMCID: PMC7298936 DOI: 10.1186/s13075-020-02234-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 06/02/2020] [Indexed: 12/11/2022] Open
Abstract
Background Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is an autoimmune disease that affects small- to medium-sized blood vessels. Despite treatments having been improved, patients often experience disease relapses. It remains unclear how the immune cells involve in the development of vasculitis and how they fluctuate over the course of treatment. In this study, we aimed to identify the immune subsets and serum cytokines associated with disease relapse by comprehensive immuno-phenotyping in AAV patients. Methods We reviewed consecutive patients (n = 29) from Keio University Hospital who had been newly diagnosed with AAV from January 2015 to February 2019 and chronologically followed until 52 weeks. Numbers of circulating T cells, B cells, monocytes, and granulocytes were analyzed by flow cytometry (FACS). Serum levels of cytokines were measured by electrochemiluminescence enzyme immunoassay. Clinical information was obtained from patients’ records and association with time-course changes in immuno-phenotypes and serum levels of cytokines were assessed. Results Comprehensive immuno-phenotyping data from 161 samples from 29 AAV patients at diagnosis; at weeks 4, 12, 24, and 52 of treatment; and at time of major relapse were examined. FACS analysis from patients with relapse revealed that CD14++ CD16+ intermediate monocytes and plasma cells concomitantly changed associated with disease relapse, which were independent from treatment regimen, ANCA status, or disease phenotype. In particular, the number of CD14++ CD16+ intermediate monocytes at relapse was significantly higher than that in remission or in healthy controls. Serum cytokine measurement revealed that changes of monocyte-derived proinflammatory cytokines such as IL-1β, IL-6, IL-8, and TNF-α were associated with disease status. Conclusions Chronological changes in CD14++ CD16+ intermediate monocyte counts can be a marker of disease relapse in AAV patients.
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Affiliation(s)
- Kotaro Matsumoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Keiko Yoshimoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan.,Clinical and Translational Research Center, Keio University Hospital, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan
| | - Noriyasu Seki
- Mitsubishi Tanabe Pharma Corporation, 1000, Kamoshida-cho, Aoba-ku, Yokohama, Kanagawa, Japan
| | - Hideto Tsujimoto
- Mitsubishi Tanabe Pharma Corporation, 1000, Kamoshida-cho, Aoba-ku, Yokohama, Kanagawa, Japan
| | - Kenji Chiba
- Mitsubishi Tanabe Pharma Corporation, 1000, Kamoshida-cho, Aoba-ku, Yokohama, Kanagawa, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, Japan.
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