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Huang B, Li H, Jiang Q, Li Y, Jiang Z, Cao H, Wang S, Wang X, Li J, Li G. Elevated type I IFN signalling directly affects CD8 + T-cell distribution and autoantigen recognition of the skeletal muscles in active JDM patients. J Autoimmun 2024; 146:103232. [PMID: 38692172 DOI: 10.1016/j.jaut.2024.103232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 03/19/2024] [Accepted: 04/16/2024] [Indexed: 05/03/2024]
Abstract
The link between type I IFN and adaptive immunity, especially T-cell immunity, in JDM still remained largely unclear. This study aimed to understand the effect of elevated type I IFN signaling on CD8+ T cell-associated muscle damage in juvenile dermatomyositis (JDM). This study used flow cytometry (FC) and RT‒PCR were used to examine the circulating cell ratio and type I IFN response. And scRNA-seq was used to examine peripheral immunity in 6 active JDM patients, 3 stable JDM patients, 3 juvenile IMNM patients and 3 age-matched healthy children. In vivo validation experiments were conducted using a mouse model induced by STING agonists and an experimental autoimmune myositis model (EAM). In vitro experiments were conducted using isolated CD8+ T-cells from JDM patients and mice. We found that active JDM patients showed an extensive type I IFN response and a decreased CD8+ T-cell ratio in the periphery (P < 0.05), which was correlated with muscle involvement (P < 0.05). Both new active JDM patients and all active JDM patients showed decreased CD8+ TCM cell ratios compared with age and gender matched stable JDM patients (P < 0.05). Compared with new pediatirc systemic lupus erythematosus (SLE) patients, new active JDM patients displayed decreased CD8+ T-cell and CD8+ TCM cell ratios (P < 0.05). Active JDM patient skeletal muscle biopsies displayed an elevated type I IFN response, upregulated MHC-I expression and CD8+ T-cell infiltration, which was validated in EAM mice. sc-RNAseq demonstrated that type I IFN signalling is the kinetic factor of abnormal differentiation and enhances the cytotoxicity of peripheral CD8+ T cells in active JDM patients, which was confirmed by in vivo and in vitro validation experiments. In summary, the elevated type I IFN signalling affected the differentiation and function of CD8+ T cells in active JDM patients. Skeletal muscle-infiltrating CD8+ T cells might migrate from the periphery under the drive of type I IFN and increased MHC I signals. Therapies targeting autoantigen-specific CD8+ T cells may represent a potential new treatment direction.
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Affiliation(s)
- Baozhen Huang
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; Musculoskeletal Research Laboratory, Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China
| | - Huiyu Li
- Center for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Qian Jiang
- Department of Medical Genetics, Capital Institute of Pediatrics, Beijing, China; Research Unit of Minimally Invasive Pediatric Surgery on Diagnosis and Treatment, Chinese Academy of Medical Sciences, Beijing, China
| | - Yucong Li
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; Musculoskeletal Research Laboratory, Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China
| | - Zhaowei Jiang
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; Musculoskeletal Research Laboratory, Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China
| | - Huijuan Cao
- Center for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | | | - Xinluan Wang
- Center for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - Jianguo Li
- Department of Rheumatology and Immunology, Children's Hospital Affiliated to Capital Institute of Pediatrics, China.
| | - Gang Li
- Stem Cells and Regenerative Medicine Laboratory, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; Musculoskeletal Research Laboratory, Department of Orthopaedics & Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China; The CUHK-ACC Space Medicine Centre on Health Maintenance of Musculoskeletal System, The Chinese University of Hong Kong Shenzhen Research Institute, Shenzhen, China.
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Ohta H, Morita T, Yokoyama N, Osuga T, Sasaki N, Morishita K, Nakamura K, Takiguchi M. Serial measurement of pancreatic lipase immunoreactivity concentration in dogs with immune-mediated disease treated with prednisolone. J Small Anim Pract 2017; 58:342-347. [DOI: 10.1111/jsap.12652] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 12/28/2016] [Accepted: 01/02/2017] [Indexed: 12/21/2022]
Affiliation(s)
- H. Ohta
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - T. Morita
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - N. Yokoyama
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - T. Osuga
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - N. Sasaki
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - K. Morishita
- Veterinary Teaching Hospital, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - K. Nakamura
- Veterinary Teaching Hospital, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
| | - M. Takiguchi
- Laboratory of Veterinary Internal Medicine, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine; Hokkaido University; Sapporo 060-0818 Japan
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Abstract
In horses, immune-mediated muscle disorders can arise from an overzealous immune response to concurrent infections or potentially from an inherent immune response to host muscle antigens. Streptococcus equi ss. equi infection or vaccination can result in infarctive purpura hemorrhagica (IPH) in which vascular deposition of IgA-streptococcal M protein complexes produces ischemia and complete focal infarction of skeletal muscle and internal organs. In Quarter Horse–related breeds with immune-mediated myositis, an apparent abnormal immune response to muscle antigens results in upregulation of major histocompatibility complex class (MHC) I and II on muscle cell membranes, lymphocytic infiltration of lumbar and gluteal myofibers, and subsequent gross muscle atrophy. Rarely, an inflammatory event results in myositis with subsequent systemic calcinosis characterized by a pathognomonic hyperphosphatemia and high fatality rate. This review presents an overview of these immune-mediated myopathies and highlights clinical and pathological features as well as the suspected pathophysiology.
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Affiliation(s)
- S. A. Durward-Akhurst
- Department of Veterinary Population Medicine, College of Veterinary Medicine, University of Minnesota, St Paul, MN, USA
| | - S. J. Valberg
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, USA
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Durward-Akhurst SA, Finno CJ, Barnes N, Shivers J, Guo LT, Shelton GD, Valberg SJ. Major Histocompatibility Complex I and II Expression and Lymphocytic Subtypes in Muscle of Horses with Immune-Mediated Myositis. J Vet Intern Med 2016; 30:1313-21. [PMID: 27352021 PMCID: PMC5094553 DOI: 10.1111/jvim.14371] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 03/25/2016] [Accepted: 06/11/2016] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Major histocompatibility complex (MHC) I and II expression is not normally detected on sarcolemma, but is detected with lymphocytic infiltrates in immune-mediated myositis (IMM) of humans and dogs and in dysferlin-deficient muscular dystrophy. HYPOTHESIS/OBJECTIVES To determine if sarcolemmal MHC is expressed in active IMM in horses, if MHC expression is associated with lymphocytic subtype, and if dysferlin is expressed in IMM. ANIMALS Twenty-one IMM horses of Quarter Horse-related breeds, 3 healthy and 6 disease controls (3 pasture myopathy, 3 amylase-resistant polysaccharide storage myopathy [PSSM]). METHODS Immunohistochemical staining for MHC I, II, and CD4+, CD8+, CD20+ lymphocytes was performed on archived muscle of IMM and control horses. Scores were given for MHC I, II, and lymphocytic subtypes. Immunofluorescent staining for dysferlin, dystrophin, and a-sarcoglycan was performed. RESULTS Sarcolemmal MHC I and II expression was detected in 17/21 and 15/21 of IMM horses, respectively, and in specific fibers of PSSM horses, but not healthy or pasture myopathy controls. The CD4+, CD8+, and CD20+ cells were present in 20/21 IMM muscles with CD4+ predominance in 10/21 and CD8+ predominance in 6/21 of IMM horses. Dysferlin, dystrophin, and a-sarcoglycan staining were similar in IMM and control muscles. CONCLUSIONS AND CLINICAL IMPORTANCE Deficiencies of dysferlin, dystrophin, and a-sarcoglycan are not associated with IMM. Sarcolemmal MHC I and II expression in a proportion of myofibers of IMM horses in conjunction with lymphocytic infiltration supports an immune-mediated etiology for IMM. The MHC expression also occured in specific myofibers in PSSM horses in the absence of lymphocytic infiltrates.
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Affiliation(s)
- S A Durward-Akhurst
- Department of Veterinary Population Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN
| | - C J Finno
- Department of Population Health and Reproduction, University of California-Davis, Davis, CA
| | - N Barnes
- Department of Veterinary Population Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN
| | - J Shivers
- Department of Veterinary Population Sciences, College of Veterinary Medicine, University of Minnesota, St. Paul, MN
| | - L T Guo
- Department of Pathology, University of California, San Diego, La Jolla, CA
| | - G D Shelton
- Department of Pathology, University of California, San Diego, La Jolla, CA
| | - S J Valberg
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI
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Tauro A, Addicott D, Foale RD, Bowman C, Hahn C, Long S, Massey J, Haley AC, Knowler SP, Day MJ, Kennedy LJ, Rusbridge C. Clinical features of idiopathic inflammatory polymyopathy in the Hungarian Vizsla. BMC Vet Res 2015; 11:97. [PMID: 25896796 PMCID: PMC4414416 DOI: 10.1186/s12917-015-0408-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Accepted: 04/02/2015] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND A retrospective study of the clinicopathological features of presumed and confirmed cases of idiopathic inflammatory polymyopathy in the Hungarian Vizsla dog and guidelines for breeding. RESULTS 369 medical records were reviewed (1992-2013) and 77 Hungarian Vizslas were identified with a case history consistent with idiopathic inflammatory polymyopathy. Inclusion criteria were: group 1 (confirmed diagnosis); histopathology and clinical findings compatible with an inflammatory polymyopathy and group 2 (probable diagnosis); clinical findings compatible with a polymyopathy including dysphagia, sialorrhea, temporal muscle atrophy, elevated serum creatine kinase (CK) activity, and sufficient clinical history to suggest that other neuromuscular disorders could be ruled out. Some group 2 dogs had muscle biopsy, which suggested muscle disease but did not reveal an inflammatory process. The mean age of onset was 2.4 years; male dogs were slightly overrepresented. Common presenting signs were dysphagia, sialorrhea, masticatory muscle atrophy, and regurgitation. Common muscle histopathological findings included degenerative and regenerative changes, with multifocal mononuclear cell infiltration with lymphoplasmacytic myositis of variable severity. A positive response to immunosuppressive treatment supported an immune-mediated aetiology. The mean age at death and survival time were 6.4 and 3.9 years, respectively. Recurrence of clinical signs and aspiration pneumonia were common reasons for euthanasia. CONCLUSIONS Diagnosis of Vizsla idiopathic inflammatory polymyopathy can be challenging due to lack of specific tests, however the presence of dysphagia, regurgitation and masticatory muscle atrophy in this breed with negative serological tests for masticatory muscle myositis and myasthenia gravis, along with muscle biopsies suggesting an inflammatory process, support the diagnosis. However, there is an urgent need for a more specific diagnostic test. The average of inbreeding coefficient (CoI) of 16.3% suggests an increased expression of a Dog Leukocyte Antigen Class II haplotype, leading to an increased disease risk. The prognosis remains guarded, as treatment can only manage the disease. Recurrence of clinical signs and perceived poor quality of life are the most common reasons for humane euthanasia.
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Affiliation(s)
- Anna Tauro
- Fitzpatrick Referrals, Halfway Lane, Eashing, Godalming, GU7 2QQ, Surrey, UK.
| | | | - Rob D Foale
- Dick White Referrals, Six Mile Bottom, Suffolk, UK.
| | - Chloe Bowman
- Adelaide Veterinary Specialist and Referral Centre (AVSARC), Norwood Adelaide, South Australia.
| | - Caroline Hahn
- Royal (Dick) School of Veterinary Studies, University of Edinburgh, Roslin, UK.
| | - Sam Long
- Adelaide Veterinary Specialist and Referral Centre (AVSARC), Norwood Adelaide, South Australia.
| | | | - Allison C Haley
- The University of Georgia, College of Veterinary Medicine, Athens, USA.
| | | | | | | | - Clare Rusbridge
- Fitzpatrick Referrals, Halfway Lane, Eashing, Godalming, GU7 2QQ, Surrey, UK. .,The University of Surrey, Guildford, Surrey, UK.
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Finsterer J, Stöllberger C. Reinforce work-up for myopathy in Takotsubo syndrome. Int J Cardiol 2014; 176:1118-9. [PMID: 25149403 PMCID: PMC7132373 DOI: 10.1016/j.ijcard.2014.07.300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 07/27/2014] [Indexed: 01/30/2023]
Affiliation(s)
| | - Claudia Stöllberger
- 2nd Medical Department with Cardiology and Intensive Care Medicine, Krankenanstalt Rudolfstiftung, Vienna, Austria
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Dai TJ, Li W, Zhao QW, Zhao YY, Liu SP, Yan CZ. CD8/MHC-I Complex is Specific but Not Sensitive for the Diagnosis of Polymyositis. J Int Med Res 2010; 38:1049-59. [PMID: 20819442 DOI: 10.1177/147323001003800332] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study aimed to investigate immunostaining patterns for major histocompatibility complex class I (MHC-I) in different types of myopathies and to assess the diagnostic value of CD8/MHC-I complex for definite polymyositis. The study included 20 cases of definite polymyositis, 20 cases of dermatomyositis and 10 cases of dystrophies with muscle inflammation (inflammatory muscular dystrophy). Immunohistochemical staining with MHC-I antibody demonstrated the presence of MHC-I along the sarcolemma of scattered or small groups of non-necrotic fibres in both polymyositis and inflammatory muscular dystrophy, whereas intense sarcolemmal immunostaining for MHC-I was diffusely present in almost all fibres in dermatomyositis. Double immunofluorescence labelling for CD8 and MHC-I detected the CD8/MHC-I complex in 20% of polymyositis cases with mononuclear cell infiltrates. No CD8/MHC-I complex was found in the dermatomyositis or inflammatory muscular dystrophy cases. The results suggest that MHC-I detection alone cannot be used as a reliable diagnostic test to differentiate polymyositis from dystrophies with secondary muscle inflammation. The CD8/MHC-I complex, although showing high specificity, is neither a sensitive nor an easy-to-handle diagnostic test for polymyositis.
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Affiliation(s)
- T-J Dai
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - W Li
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Q-W Zhao
- Department of Neurology, General Police's Hospital of Shandong Province, Jinan, China
| | - Y-Y Zhao
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - S-P Liu
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - C-Z Yan
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
- Key Laboratory for Experimental Teratology of the Ministry of Education and Institute of Medical Genetics, Shandong University School of Medicine, Jinan, China
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Paciello O, Shelton GD, Papparella S. Expression of major histocompatibility complex class I and class II antigens in canine masticatory muscle myositis. Neuromuscul Disord 2007; 17:313-20. [PMID: 17360184 DOI: 10.1016/j.nmd.2007.01.012] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2006] [Revised: 01/09/2007] [Accepted: 01/19/2007] [Indexed: 11/16/2022]
Abstract
Studies in human immune-mediated inflammatory myopathies have documented expression of major histocompatibility complex class I (MHC class I) and class II (MHC class II) antigens on muscle fiber membranes in the presence or absence of cellular infiltration. Here we evaluate the presence and distribution of these antigens in canine masticatory muscle myositis, an immune-mediated inflammatory myopathy. Twelve samples of temporalis and masseter muscles from dogs with a clinical diagnosis of canine masticatory muscle myositis were examined by immunohistochemistry and double-immunofluorescence confocal microscopy. MHC class I and class II antigens were expressed in muscle fibers independent of inflammatory cell infiltration. Furthermore MHC class I and class II antigens were expressed on the sarcolemma and co-localized with dystrophin. Our results suggest that MHC class I and class II expression in canine masticatory muscle myositis may play a role in the initiation and maintenance of the pathological condition, rather than just a consequence of a preceding local inflammation.
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Affiliation(s)
- Orlando Paciello
- Department of Pathology and Animal Health-Unit of Anatomic Pathology, University of Naples Federico II, 80137 Naples, Italy.
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Bilzer T, Neumann J. Reply. Muscle Nerve 2006. [DOI: 10.1002/mus.20548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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