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Kamiya M, Kimura N, Umezawa N, Hasegawa H, Yasuda S. Muscle fiber necroptosis in pathophysiology of idiopathic inflammatory myopathies and its potential as target of novel treatment strategy. Front Immunol 2023; 14:1191815. [PMID: 37483632 PMCID: PMC10361824 DOI: 10.3389/fimmu.2023.1191815] [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: 03/22/2023] [Accepted: 06/22/2023] [Indexed: 07/25/2023] Open
Abstract
Idiopathic inflammatory myopathies (IIMs), which are a group of chronic and diverse inflammatory diseases, are primarily characterized by weakness in the proximal muscles that progressively leads to persistent disability. Current treatments of IIMs depend on nonspecific immunosuppressive agents (including glucocorticoids and immunosuppressants). However, these therapies sometimes fail to regulate muscle inflammation, and some patients suffer from infectious diseases and other adverse effects related to the treatment. Furthermore, even after inflammation has subsided, muscle weakness persists in a significant proportion of the patients. Therefore, the elucidation of pathophysiology of IIMs and development of a better therapeutic strategy that not only alleviates muscle inflammation but also improves muscle weakness without increment of opportunistic infection is awaited. Muscle fiber death, which has been formerly postulated as "necrosis", is a key histological feature of all subtypes of IIMs, however, its detailed mechanisms and contribution to the pathophysiology remained to be elucidated. Recent studies have revealed that muscle fibers of IIMs undergo necroptosis, a newly recognized form of regulated cell death, and promote muscle inflammation and dysfunction through releasing inflammatory mediators such as damage-associated molecular patterns (DAMPs). The research on murine model of polymyositis, a subtype of IIM, revealed that the inhibition of necroptosis or HMGB1, one of major DAMPs released from muscle fibers undergoing necroptosis, ameliorated muscle inflammation and recovered muscle weakness. Furthermore, not only the necroptosis-associated molecules but also PGAM5, a mitochondrial protein, and reactive oxygen species have been shown to be involved in muscle fiber necroptosis, indicating the multiple target candidates for the treatment of IIMs acting through necroptosis regulation. This article overviews the research on muscle injury mechanisms in IIMs focusing on the contribution of necroptosis in their pathophysiology and discusses the potential treatment strategy targeting muscle fiber necroptosis.
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The regulatory role and therapeutic application of pyroptosis in musculoskeletal diseases. Cell Death Dis 2022; 8:492. [PMID: 36522335 PMCID: PMC9755533 DOI: 10.1038/s41420-022-01282-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/07/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
Pyroptosis is a controlled form of inflammatory cell death characterized by inflammasome activation, pore formation, and cell lysis. According to different caspases, pyroptosis can be divided into canonical, non-canonical, and other pathways. The role of pyroptosis in disease development has been paid more attention in recent years. The trigger factors of pyroptosis are often related to oxidative stress and proinflammatory substances, which coincide with the pathological mechanism of some diseases. Pyroptosis directly leads to cell lysis and death, and the release of cytosolic components and proinflammatory cytokines affects cell activity and amplifies the inflammatory response. All the above are involved in a series of basic pathological processes, such as matrix degradation, fibrosis, and angiogenesis. Since these pathological changes are also common in musculoskeletal diseases (MSDs), emerging studies have focused on the correlations between pyroptosis and MSDs in recent years. In this review, we first summarized the molecular mechanism of pyroptosis and extensively discussed the differences and crosstalk between pyroptosis, apoptosis, and necrosis. Next, we elaborated on the role of pyroptosis in some MSDs, including osteoarthritis, rheumatoid arthritis, osteoporosis, gout arthritis, ankylosing spondylitis, intervertebral disc degeneration, and several muscle disorders. The regulation of pyroptosis could offer potential therapeutic targets in MSDs treatment. Herein, the existing drugs and therapeutic strategies that directly or indirectly target pyroptosis pathway components have been discussed in order to shed light on the novel treatment for MSDs.
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You R, He X, Zeng Z, Zhan Y, Xiao Y, Xiao R. Pyroptosis and Its Role in Autoimmune Disease: A Potential Therapeutic Target. Front Immunol 2022; 13:841732. [PMID: 35693810 PMCID: PMC9174462 DOI: 10.3389/fimmu.2022.841732] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 04/29/2022] [Indexed: 12/13/2022] Open
Abstract
Autoimmune diseases are a group of heterogeneous diseases with diverse clinical manifestations that can be divided into systemic and organ-specific. The common etiology of autoimmune diseases is the destruction of immune tolerance and the production of autoantibodies, which attack specific tissues and/or organs in the body. The pathogenesis of autoimmune diseases is complicated, and genetic, environmental, infectious, and even psychological factors work together to cause aberrant innate and adaptive immune responses. Although the exact mechanisms are unclear, recently, excessive exacerbation of pyroptosis, as a bond between innate and adaptive immunity, has been proven to play a crucial role in the development of autoimmune disease. Pyroptosis is characterized by pore formation on cell membranes, as well as cell rupture and the excretion of intracellular contents and pro-inflammatory cytokines, such as IL-1β and IL-18. This overactive inflammatory programmed cell death disrupts immune system homeostasis and promotes autoimmunity. This review examines the molecular structure of classical inflammasomes, including NLRP3, AIM2, and P2X7-NLRP3, as the switches of pyroptosis, and their molecular regulation mechanisms. The sophisticated pyroptosis pathways, including the canonical caspase-1-mediated pathway, the noncanonical caspase-4/5/11-mediated pathway, the emerging caspase-3-mediated pathway, and the caspase-independent pathway, are also described. We highlight the recent advances in pyroptosis in autoimmune diseases, such as systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, Sjögren's syndrome and dermatomyositis, and attempt to identify its potential advantages as a therapeutic target or prognostic marker in these diseases.
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Affiliation(s)
- Ruixuan You
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Medical Epigenetics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xinglan He
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Medical Epigenetics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhuotong Zeng
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Medical Epigenetics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yi Zhan
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Medical Epigenetics, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yangfan Xiao
- Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital of Central South University, Changsha, China.,Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Rong Xiao
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China.,Hunan Key Laboratory of Medical Epigenetics, The Second Xiangya Hospital of Central South University, Changsha, China
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Liao XX, Dai YZ, Zhao YZ, Nie K. Gasdermin E: A Prospective Target for Therapy of Diseases. Front Pharmacol 2022; 13:855828. [PMID: 35462927 PMCID: PMC9019550 DOI: 10.3389/fphar.2022.855828] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 03/21/2022] [Indexed: 12/04/2022] Open
Abstract
Gasdermin E (GSDME) is a member of the gasdermin protein family, which mediates programmed cell death including apoptosis and pyroptosis. Recently, it was suggested that GSDME is activated by chemotherapeutic drugs to stimulate pyroptosis of cancer cells and trigger anti-tumor immunity, which is identified as a tumor suppressor. However, GSDME-mediated pyroptosis contributes to normal tissue damage, leading to pathological inflammations. Inhibiting GSDME-mediated pyroptosis might be a potential target in ameliorating inflammatory diseases. Therefore, targeting GSDME is a promising option for the treatment of diseases in the future. In this review, we introduce the roles of GSDME-driven programmed cell death in different diseases and the potential targeted therapies of GSDME, so as to provide a foundation for future research.
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Shi J, Tang M, Zhou S, Xu D, Zhao J, Wu C, Wang Q, Tian X, Li M, Zeng X. Programmed Cell Death Pathways in the Pathogenesis of Idiopathic Inflammatory Myopathies. Front Immunol 2021; 12:783616. [PMID: 34899749 PMCID: PMC8651702 DOI: 10.3389/fimmu.2021.783616] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 11/08/2021] [Indexed: 12/11/2022] Open
Abstract
Idiopathic inflammatory myopathy (IIM) is a heterogeneous group of acquired, autoimmune muscle diseases characterized by muscle inflammation and extramuscular involvements. Present literatures have revealed that dysregulated cell death in combination with impaired elimination of dead cells contribute to the release of autoantigens, damage-associated molecular patterns (DAMPs) and inflammatory cytokines, and result in immune responses and tissue damages in autoimmune diseases, including IIMs. This review summarizes the roles of various forms of programmed cell death pathways in the pathogenesis of IIMs and provides evidence for potential therapeutic targets.
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Affiliation(s)
- Jia Shi
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Mingwei Tang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Shuang Zhou
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Dong Xu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Jiuliang Zhao
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Chanyuan Wu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Qian Wang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Xinping Tian
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Mengtao Li
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
| | - Xiaofeng Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Sciences, Key Laboratory of Rheumatology & Clinical Immunology, Ministry of Education, Beijing, China.,National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Ministry of Science & Technology, Beijing, China
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Jiang Y, Liu Y, Zhao Y, Zheng Y, Yu M, Deng J, Hao H, Zhang W, Wang Z, Yuan Y. Mitochondrial morphology and MAVS-IFN1 signaling pathway in muscles of anti-MDA5 dermatomyositis. Ann Clin Transl Neurol 2021; 8:677-686. [PMID: 33576578 PMCID: PMC7951095 DOI: 10.1002/acn3.51311] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 01/12/2021] [Accepted: 01/18/2021] [Indexed: 01/20/2023] Open
Abstract
Objective This study aimed to investigate mitochondrial changes and the mitochondrial antiviral‐signaling protein (MAVS)‐type I interferon (IFN1) signaling pathway in the muscles of anti‐melanoma differentiation gene 5(MDA5) dermatomyositis (DM) patients. Methods Eleven anti‐MDA5 DM and ten antibody‐negative DM patients were included. Muscle biopsies were performed in all patients. Muscle pathology and mitochondrial morphology in particular were compared between two groups. The expression of MDA5, MAVS, interferon (IFN) regulatory factor 7, and IFN‐stimulated gene 15, which are components of the MAVS‐IFN1 signaling pathway, was measured in muscle specimen. The correlation between MAVS expression in muscles and disease phenotypes and muscle pathology were analyzed. Results Anti‐MDA5 DM showed a significantly lower incidence of the characteristic DM pathology (P < 0.05) than antibody‐negative DM, including perifascicular fiber atrophy, inflammation, and vasculopathy. Mitochondrial abnormalities in anti‐MDA5 patients revealed a high incidence of (8/11,72.7%) and different pattern from that in antibody‐negative DM. MDA5, MAVS, IFN regulatory factor 7, and IFN stimulated gene 15 expression levels in the muscles of anti‐MDA5 DM patients were higher than those of the controls (P < 0.05) but lower than those of antibody‐negative DM patients (P < 0.05). The MAVS levels negatively correlated with manual muscle test 8 scores (r = 0.701, P = 0.016). Conclusions Compared to antibody‐negative DM, we presented a different distribution of the mitochondrial pathology and less severe morphology in anti‐MDA5 DM. We also revealed the enhanced but less intensive MAVS‐IFN1 signaling pathway activity in muscles of anti‐MDA5 DM. Such disparity suggested the potentially different mechanism of muscle injury in two DM groups.
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Affiliation(s)
- Yanyan Jiang
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Yilin Liu
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Yawen Zhao
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Yiming Zheng
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Meng Yu
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Jianwen Deng
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Hongjun Hao
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Wei Zhang
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Zhaoxia Wang
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
| | - Yun Yuan
- Department of Neurology, Peking University First Hospital, Beijing, 100034, China
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