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Liu R, Liu H, Yang L, Li C, Yin G, Xie Q. Pathogenic role and clinical significance of neutrophils and neutrophil extracellular traps in idiopathic inflammatory myopathies. Clin Exp Med 2024; 24:115. [PMID: 38814339 PMCID: PMC11139741 DOI: 10.1007/s10238-024-01384-2] [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: 04/08/2024] [Accepted: 05/21/2024] [Indexed: 05/31/2024]
Abstract
Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of chronic autoimmune diseases characterized by muscle damage and extramuscular symptoms, including specific skin rash, arthritis, interstitial lung disease, and cardiac involvement. While the etiology and pathogenesis of IIM are not yet fully understood, emerging evidence suggests that neutrophils and neutrophil extracellular traps (NETs) have a role in the pathogenesis. Recent research has identified increased levels of circulating and tissue neutrophils as well as NETs in patients with IIM; these contribute to the activation of the type I and type II interferons pathway. During active IIM disease, myositis-specific antibodies are associated with the formation and incomplete degradation of NETs, leading to damage in the lungs, muscles, and blood vessels of patients. This review focuses on the pathogenic role and clinical significance of neutrophils and NETs in IIM, and it includes a discussion of potential targeted treatment strategies.
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Affiliation(s)
- Ruiting Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Hongjiang Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Leiyi Yang
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Changpei Li
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Geng Yin
- Health Management Center, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Qibing Xie
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China.
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Danieli MG, Antonelli E, Piga MA, Claudi I, Palmeri D, Tonacci A, Allegra A, Gangemi S. Alarmins in autoimmune diseases. Autoimmun Rev 2022; 21:103142. [PMID: 35853572 DOI: 10.1016/j.autrev.2022.103142] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 07/10/2022] [Indexed: 12/18/2022]
Abstract
Alarmins are endogenous, constitutively expressed, chemotacting and immune activating proteins or peptides released because of non-programmed cell death (i.e. infections, trauma, etc). They are considered endogenous damage-associated molecular patterns (DAMPs), able to induce a sterile inflammation. In the last years, several studies highlighted a possible role of different alarmins in the pathogenesis of various autoimmune and immune-mediated diseases. We reviewed the relevant literature about this topic, for about 160 articles. Particularly, we focused on systemic autoimmune diseases (systemic lupus erythematosus, rheumatoid arthritis, idiopathic inflammatory myopathies, ANCA-associated vasculitides, Behçet's disease) and cutaneous organ-specific autoimmune diseases (vitiligo, psoriasis, alopecia, pemphigo). Finally, we discussed about future perspectives and potential therapeutic implications of alarmins in autoimmune diseases. In fact, identification of receptors and downstream signal transducers of alarmins may lead to the identification of antagonistic inhibitors and agonists, with the capacity to modulate alarmins-related pathways and potential therapeutic applicability.
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Affiliation(s)
- Maria Giovanna Danieli
- Clinica Medica, Dipartimento di Scienze Cliniche e Molecolari, Università Politecnica delle Marche, via Tronto 10/A, 60126 Torrette di Ancona, Italy; Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Eleonora Antonelli
- PostGraduate School of Internal Medicine, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Mario Andrea Piga
- Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Ilaria Claudi
- Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Davide Palmeri
- Postgraduate School of Allergy and Clinical Immunology, Università Politecnica delle Marche, via Tronto 10/A, 60126 Ancona, Italy.
| | - Alessandro Tonacci
- Institute of Clinical Physiology, National Research Council of Italy (IFC-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy.
| | - Alessandro Allegra
- Division of Haematology, Department of Human Pathology in Adulthood and Childhood "Gaetano Barresi", University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy.
| | - Sebastiano Gangemi
- School and Operative Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, Via Consolare Valeria 1, 98125 Messina, Italy.
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Opinc AH, Makowska JS. Antisynthetase syndrome - much more than just a myopathy. Semin Arthritis Rheum 2020; 51:72-83. [PMID: 33360231 DOI: 10.1016/j.semarthrit.2020.09.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 09/08/2020] [Accepted: 09/30/2020] [Indexed: 01/06/2023]
Abstract
The aim of the study was to summarize current knowledge on antisynthetase syndrome (ASS), including its epidemiology, pathogenesis, proposed so far diagnostic criteria, heterogeneity of clinical manifestations, prognostic factors and therapeutic possibilities. PubMed database was screened for "antisynthetase syndrome" OR "antisynthetase antibodies" between February and April 2020. Aminoacyl-tRNA synthetases participate in the immune system activation as antigens, but also serve chemoattractive and cytokine-resembling roles, initiating innate and adaptive pathways. Exposure to various inhaled antigens may induce the autoimmune cascade leading to ASS. NK cells with its impaired INF-y production as well as formation of NETs by neutrophils contribute to pathogenesis. The prevalence of symptoms vary significantly depending on the study with muscular, articular and pulmonary involvement being the most frequently observed. Although classified as subtype of idiopathic inflammatory myopathies, myositis may not necessarily be the prominent manifestation. Since clinical presentation is heterogeneous and symptoms can emerge gradually, ASS could be considered as a heterogeneous spectrum rather than a homogenous disease entity. The currently available classification criteria do not fully correspond with the clinical patterns of the disease. Therapy is based on glucocorticosteroids and other immunosuppressive agents. Randomized controlled trials, dedicated for patients with ASS, are needed to form treatment algorithms.
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Affiliation(s)
| | - Joanna Samanta Makowska
- Department of Rheumatology, Medical University of Lodz, ul. Pieniny 30, 92-115 Łódź, Poland.
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Seto N, Torres-Ruiz JJ, Carmona-Rivera C, Pinal-Fernandez I, Pak K, Purmalek MM, Hosono Y, Fernandes-Cerqueira C, Gowda P, Arnett N, Gorbach A, Benveniste O, Gómez-Martín D, Selva-O'Callaghan A, Milisenda JC, Grau-Junyent JM, Christopher-Stine L, Miller FW, Lundberg IE, Kahlenberg JM, Schiffenbauer AI, Mammen A, Rider LG, Kaplan MJ. Neutrophil dysregulation is pathogenic in idiopathic inflammatory myopathies. JCI Insight 2020; 5:134189. [PMID: 31945019 DOI: 10.1172/jci.insight.134189] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/09/2020] [Indexed: 12/11/2022] Open
Abstract
Idiopathic inflammatory myopathies (IIM) are characterized by muscle inflammation and weakness, myositis-specific autoantibodies (MSAs), and extramuscular organ damage. The role of neutrophil dysregulation and neutrophil extracellular traps (NETs) in IIM is unclear. We assessed whether pathogenic neutrophil subsets (low-density granulocytes [LDGs]) and NETs were elevated in IIM, associated with clinical presentation and MSAs, and their effect on skeletal myoblasts and myotubes. Circulating NETs and LDGs were quantified and correlated with clinical measures. Specific MSAs were tested for their ability to induce NETs. NETs and neutrophil gene expression were measured in IIM biopsies. Whether NETs damage skeletal myoblasts and myotubes was tested. Circulating LDGs and NETs were increased in IIM. IIM LDGs had an enhanced ability to form NETs. LDGs and NETs correlated with IIM disease activity and muscle damage. The serum MSA anti-MDA5 correlated with circulating and tissue NETs and directly enhanced NET formation. An enhanced neutrophil gene signature was present in IIM muscle and associated with muscle injury and tissue IFN gene signatures. IIM NETs decreased the viability of myotubes in a citrullinated histone-dependent manner. Dysregulated neutrophil pathways may play pathogenic roles in IIM through their ability to directly injure muscle cells and other affected tissues.
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Affiliation(s)
- Nickie Seto
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, Maryland, USA
| | - Jose Jiram Torres-Ruiz
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, Maryland, USA.,Instituto Nacional de Ciencias Medicas y de la Nutrición Salvador Zubiran, Mexico City, México
| | - Carmelo Carmona-Rivera
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, Maryland, USA
| | - Iago Pinal-Fernandez
- Muscle Disease Unit, NIAMS, NIH, Bethesda, Maryland, USA.,Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Faculty of Health Sciences and Faculty of Computer Science, Universitat Oberta de Catalunya, Barcelona, Spain
| | - Katherine Pak
- Muscle Disease Unit, NIAMS, NIH, Bethesda, Maryland, USA
| | - Monica M Purmalek
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, Maryland, USA
| | - Yuji Hosono
- Muscle Disease Unit, NIAMS, NIH, Bethesda, Maryland, USA
| | - Catia Fernandes-Cerqueira
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, and Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - Prateek Gowda
- Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, Maryland, USA
| | - Nathan Arnett
- Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, Maryland, USA
| | - Alexander Gorbach
- Infrared Imaging and Thermometry Unit, National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, Maryland, USA
| | - Olivier Benveniste
- Department of Internal Medicine and Clinical Immunology, CHU Paris-GH La Pitié-Salpêtrière-Charles Foix-Hôpital Pitié Salpêtrière, Paris, France
| | - Diana Gómez-Martín
- Instituto Nacional de Ciencias Medicas y de la Nutrición Salvador Zubiran, Mexico City, México
| | - Albert Selva-O'Callaghan
- Hospital General Universitario Vall d'Hebron, Universidad Autónoma de Barcelona, Barcelona, Spain
| | - José C Milisenda
- Hospital Clinic de Barcelona and Universidad de Barcelona, Barcelona, Spain
| | | | | | - Frederick W Miller
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences (NIEHS), NIH, Research Triangle Park, North Carolina and Bethesda, Maryland, USA
| | - Ingrid E Lundberg
- Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, and Rheumatology Clinic, Karolinska University Hospital, Stockholm, Sweden
| | - J Michelle Kahlenberg
- Division of Rheumatology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Adam I Schiffenbauer
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences (NIEHS), NIH, Bethesda, Maryland, USA
| | - Andrew Mammen
- Muscle Disease Unit, NIAMS, NIH, Bethesda, Maryland, USA.,Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Lisa G Rider
- Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences (NIEHS), NIH, Bethesda, Maryland, USA
| | - Mariana J Kaplan
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, Maryland, USA
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Gallay L, Gayed C, Hervier B. Antisynthetase syndrome pathogenesis: knowledge and uncertainties. Curr Opin Rheumatol 2019; 30:664-673. [PMID: 30239350 DOI: 10.1097/bor.0000000000000555] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
PURPOSE OF REVIEW Antisynthetase syndrome (ASyS) is an acquired myopathy characterized by the presence of myositis-specific autoantibodies directed against tRNA-synthetases. ASyS is potentially life threatening due to lung involvement and treatment remains a challenge to date. With symptoms not limited to muscles but also involving lung, skin and joints, ASyS appears specific and has a particular pathogenesis, different from the other inflammatory myopathies. This review is intended to discuss the current understanding of ASyS pathogenesis, pointing its current knowledge and also the crucial prospects that may lead to critical improvement of ASyS care. RECENT FINDINGS Regarding ASyS pathogenesis, initiation of the disease seems to arise in a multifactorial context, with first lesions occurring within the lungs. This may lead to aberrant self-antigen exposure and tolerance breakdown. The consequences are abnormal activation of both innate and adaptive immunity, resulting in the patients with favourable genetic background to autoimmune-mediated organ lesions. Immune and nonimmune roles of the antigen, as well as antigen presentation leading to specific T-cell and B-cell activation and to the production of specific autoantibodies belong to the disease process. SUMMARY This work aims to detail ASyS pathogenesis understanding, from initiation to the disease propagation and target tissue lesions, in order to considering future treatment directions.
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Affiliation(s)
- Laure Gallay
- Département de Médecine Interne et Immunologie Clinique, Centre Hospitalo-Universitaire Edouard Herriot, Hospices Civils de Lyon.,INMG, CNRS UMR 5310 - INSERM U1217, University Claude Bernard, Lyon 1
| | - Catherine Gayed
- Sorbonne Universités, Université Pierre et Marie Curie Université Paris 06, INSERM U1135, CNRS ERL8255, Centre d'Immunologie et des Maladies Infectieuses
| | - Baptiste Hervier
- Sorbonne Universités, Université Pierre et Marie Curie Université Paris 06, INSERM U1135, CNRS ERL8255, Centre d'Immunologie et des Maladies Infectieuses.,Département de Médecine Interne et Immunologie Clinique, Centre National de Référence des Maladies Musculaires, Hôpital Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Paris, France
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