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Subhadarshani S, Hunt M, Spicknall K. Clinical Image: Nasal rim sign: A clinical manifestation of dermatomyositis. Arthritis Rheumatol 2024; 76:1320-1321. [PMID: 38439169 DOI: 10.1002/art.42842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/22/2024] [Accepted: 02/25/2024] [Indexed: 03/06/2024]
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Pugashetti JV, Khanna D, Kazerooni EA, Oldham J. Clinically Relevant Biomarkers in Connective Tissue Disease-Associated Interstitial Lung Disease. Rheum Dis Clin North Am 2024; 50:439-461. [PMID: 38942579 DOI: 10.1016/j.rdc.2024.03.007] [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] [Indexed: 06/30/2024]
Abstract
Interstitial lung disease (ILD) complicates connective tissue disease (CTD) with variable incidence and is a leading cause of death in these patients. To improve CTD-ILD outcomes, early recognition and management of ILD is critical. Blood-based and radiologic biomarkers that assist in the diagnosis CTD-ILD have long been studied. Recent studies, including -omic investigations, have also begun to identify biomarkers that may help prognosticate such patients. This review provides an overview of clinically relevant biomarkers in patients with CTD-ILD, highlighting recent advances to assist in the diagnosis and prognostication of CTD-ILD.
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Affiliation(s)
- Janelle Vu Pugashetti
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan.
| | - Dinesh Khanna
- Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan
| | - Ella A Kazerooni
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan; Division of Cardiothoracic Radiology, Department of Radiology, University of Michigan
| | - Justin Oldham
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan; Department of Epidemiology, University of Michigan
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Kodera H, Hirano R, Akiyama M, Matsumoto Y. Clinical utility of anti-Ro52 antibody confirmation in anti-MDA5 antibody-positive dermatomyositis: A case report. Mod Rheumatol Case Rep 2024; 8:291-295. [PMID: 38753322 DOI: 10.1093/mrcr/rxae027] [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: 11/22/2023] [Revised: 03/03/2024] [Accepted: 05/08/2024] [Indexed: 07/09/2024]
Abstract
This case report highlights dermatomyositis (DM) characterised by the concurrent presence of anti-melanoma differentiation-associated protein 5 (anti-MDA5) and anti-Ro52 antibodies. A 64-year-old woman initially presented with erythema on the palms, which later spread to the dorsum of the hands, followed by involvement of the face, forehead, and upper eyelids. The patient reported joint pain, fatigue, and dyspnea. Physical examination revealed characteristic cutaneous manifestations, including heliotrope rash and Gottron's sign, accompanied by skin ulceration and muscle weakness. Blood tests showed elevated levels of creatine phosphokinase and C-reactive protein. A high-resolution computed tomography (HRCT) scan revealed interstitial lung disease (ILD) with an organising pneumonia (OP) pattern. Magnetic resonance imaging (MRI) confirmed the presence of myositis. Autoantibody analysis revealed concurrent positivity for both anti-MDA5 and anti-Ro52 antibodies. At the time of diagnosis, she had no respiratory impairment, but had an elevated C-reactive protein and high levels of anti-MDA5 antibody. She was started on triple combination therapy with glucocorticoids, cyclophosphamide, and tacrolimus. She had worsening oxygenation and elevated ferritin during the first weeks of treatment, but then her symptoms improved. Early detection of a co-positive anti-Ro52 antibody led to early initiation of triple combination therapy and a good prognosis.
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Affiliation(s)
- Hitoshi Kodera
- Department of Rheumatology, Kuwana City Medical Center, Kuwana 511-0061, Japan
| | - Reina Hirano
- Department of Rheumatology, Kuwana City Medical Center, Kuwana 511-0061, Japan
| | - Masahiro Akiyama
- Department of Rheumatology, Kuwana City Medical Center, Kuwana 511-0061, Japan
| | - Yoshifuji Matsumoto
- Department of Rheumatology, Kuwana City Medical Center, Kuwana 511-0061, Japan
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Yamaguchi K, Poland P, Bijoy George T, Saygin D, Moghadam-Kia S, Aggarwal R, Oddis CV, Zhu L, Ascherman DP. Correlation between B-cell epitope profile and clinical features of anti-MDA5 antibody-positive dermatomyositis. Rheumatology (Oxford) 2024; 63:2016-2023. [PMID: 37815819 DOI: 10.1093/rheumatology/kead550] [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: 08/07/2023] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 10/11/2023] Open
Abstract
OBJECTIVES Anti-melanoma differentiation-associated gene 5 (MDA5) antibody-positive (MDA5+) dermatomyositis patients exhibit a variety of clinical features. We therefore investigated whether patterns of B-cell epitope recognition are linked to the clinical course of MDA5+ dermatomyositis. METHODS Our cross-sectional study used ELISA-based methods to determine the relationship between antibody recognition of overlapping 155 amino acid MDA5 subfragments and clinical features of 24 MDA5+ myositis patients. Correlations between clinical features and standardized anti-MDA5 subfragment antibody titres were assessed via Spearman's rank correlation coefficients. RESULTS Twenty-four MDA5+ patients submitted serum samples within a median of 0 (interquartile range, 0-74) days from the initial clinic visit. In addition to typical dermatomyositis rashes, these patients exhibited muscle symptoms (n = 11), vascular dysfunction (n = 9) and interstitial lung disease (ILD) (n = 16). Female patients exhibited higher titres of antibodies recognizing fragment H (aa 905-1026) compared with male patients. Muscle involvement was associated with higher levels of anti-fragment F (aa 646-801) antibody. Conversely, patients with vascular abnormalities had higher anti-fragment B (aa 130-284) and E (aa 517-671) antibody titres than those without vascular dysfunction. Four patients died due to ILD progression and showed higher anti-fragment A (aa 1-155) antibody titres than the other 20 patients. Differences in the ratio of anti-fragment to anti-full-length MDA5 antibody titres were found for sex (H: anti-MDA5) and vascular dysfunction (anti-fragment B, E: anti-MDA5). CONCLUSIONS Various clinical features of MDA5+ dermatomyositis correlated with levels of antibodies targeting selected subfragments of this autoantigen, providing a link between fragment-specific immune responses and disease course.
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Affiliation(s)
- Koichi Yamaguchi
- Department of Allergy and Respiratory Medicine, Gunma University Graduate School of Medicine, Gunma, Japan
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Paul Poland
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Tissa Bijoy George
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Didem Saygin
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Siamak Moghadam-Kia
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Rohit Aggarwal
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Chester V Oddis
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Lei Zhu
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Dana P Ascherman
- Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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5
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He W, Cui B, Chu Z, Chen X, Liu J, Pang X, Huang X, Yin H, Lin H, Peng L. Radiomics based on HRCT can predict RP-ILD and mortality in anti-MDA5 + dermatomyositis patients: a multi-center retrospective study. Respir Res 2024; 25:252. [PMID: 38902680 PMCID: PMC11191144 DOI: 10.1186/s12931-024-02843-w] [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: 01/09/2024] [Accepted: 05/08/2024] [Indexed: 06/22/2024] Open
Abstract
OBJECTIVES To assess the effectiveness of HRCT-based radiomics in predicting rapidly progressive interstitial lung disease (RP-ILD) and mortality in anti-MDA5 positive dermatomyositis-related interstitial lung disease (anti-MDA5 + DM-ILD). METHODS From August 2014 to March 2022, 160 patients from Institution 1 were retrospectively and consecutively enrolled and were randomly divided into the training dataset (n = 119) and internal validation dataset (n = 41), while 29 patients from Institution 2 were retrospectively and consecutively enrolled as external validation dataset. We generated four Risk-scores based on radiomics features extracted from four areas of HRCT. A nomogram was established by integrating the selected clinico-radiologic variables and the Risk-score of the most discriminative radiomics model. The RP-ILD prediction performance of the models was evaluated by using the area under the receiver operating characteristic curves, calibration curves, and decision curves. Survival analysis was conducted with Kaplan-Meier curves, Mantel-Haenszel test, and Cox regression. RESULTS Over a median follow-up time of 31.6 months (interquartile range: 12.9-49.1 months), 24 patients lost to follow-up and 46 patients lost their lives (27.9%, 46/165). The Risk-score based on bilateral lungs performed best, attaining AUCs of 0.869 and 0.905 in the internal and external validation datasets. The nomogram outperformed clinico-radiologic model and Risk-score with AUCs of 0.882 and 0.916 in the internal and external validation datasets. Patients were classified into low- and high-risk groups with 50:50 based on nomogram. High-risk group patients demonstrated a significantly higher risk of mortality than low-risk group patients in institution 1 (HR = 4.117) and institution 2 cohorts (HR = 7.515). CONCLUSION For anti-MDA5 + DM-ILD, the nomogram, mainly based on radiomics, can predict RP-ILD and is an independent predictor of mortality.
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Affiliation(s)
- Wenzhang He
- Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610000, China
- Department of Radiology, Chongqing General Hospital, Chongqing University, Chongqing, China
| | - Beibei Cui
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, Sichuan, 610000, China
| | - Zhigang Chu
- Department of Radiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaoyi Chen
- Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610000, China
| | - Jing Liu
- Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610000, China
| | - Xueting Pang
- Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610000, China
| | - Xuan Huang
- Biomedical Big Data Center, West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Hongkun Yin
- Institute of Advanced Research, Infervision Medical Technology, Beijing, China
| | - Hui Lin
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, Sichuan, 610000, China.
| | - Liqing Peng
- Department of Radiology, West China Hospital, Sichuan University, 37 Guoxue Alley, Chengdu, 610000, China.
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Wang W, Sun X, Xu Y, Tan W, Liu Y, Zhou J. Prognostic analysis of MDA5-associated clinically amyopathic dermatomyositis with interstitial lung disease. Immun Inflamm Dis 2024; 12:e1332. [PMID: 38934403 PMCID: PMC11209542 DOI: 10.1002/iid3.1332] [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: 01/31/2024] [Revised: 05/26/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
OBJECTIVE To investigate the prognostic factors of patients with anti-melanoma differentiation-associated gene 5 (MDA5) positive clinically amyopathic dermatomyositis (CADM) and interstitial lung disease (ILD). METHODS A retrospective analysis was conducted on clinical data of 125 patients with anti-MDA5 + CADM-ILD collected from 10 branches in eastern China between December 2014 and December 2022. Prognostic factors were analyzed using χ2 test, Log-rank test, COX and logistic regression analysis. RESULTS In this cohort, 125 anti-MDA5 + CADM-ILD patients exhibited a rapidly progressive interstitial lung disease (RPILD) incidence of 37.6%, and an overall mortality rate of 24.8%. One patient was lost to follow-up. After diagnosis of RPILD, a mortality rate of 53.2% occurred in patients died within 3 months, and that of 5.6% appeared in those who survived for more than 3 months. Multiple factor analysis revealed that C-reactive protein (CRP) ≥ 10 mg/L (p = 0.01) and recombinant human tripartite motif containing 21 (Ro52) (+) (p = 0.003) were associated with a higher risk of RPILD in anti-MDA5 + CADM-ILD patients; CRP ≥ 10 mg/L (p = 0.018) and the presence of RPILD (p = 0.003) were identified as the factors influencing survival time in these patients, while arthritis was the protective factor (p = 0.016). CONCLUSION Patients with anti-MDA5 + CADM-ILD will have a higher mortality rate, and the initial 3 months after diagnosis of RPILD is considered the risk window for the dismal prognosis. Patients with CRP ≥ 10 mg/L, Ro52 (+) and RPILD may be related to a shorter survival time, while patients complicated with arthritis may present with relatively mild conditions.
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Affiliation(s)
- Wen Wang
- Department of Rheumatology and ImmunologyThe Affiliated Suqian First People's Hospital of Nanjing Medical UniversitySuqianChina
| | - Xiang Sun
- Expanded Program on ImmunizationJiangsu Provincial Center for Disease Control and PreventionNanjingChina
| | - Yan Xu
- Department of Rheumatology and ImmunologyThe Affiliated Suqian First People's Hospital of Nanjing Medical UniversitySuqianChina
| | - Wenfeng Tan
- Department of Rheumatology and ImmunologyThe Affiliated Suqian First People's Hospital of Nanjing Medical UniversitySuqianChina
- Department of RheumatologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjingChina
| | - Ye Liu
- Department of PharmacyThe Affiliated Suqian First People's Hospital of Nanjing Medical UniversitySuqianChina
| | - Jun Zhou
- Department of Rheumatology and ImmunologyThe Affiliated Suqian First People's Hospital of Nanjing Medical UniversitySuqianChina
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David P, Sinha S, Iqbal K, De Marco G, Taheri S, McLaren E, Maisuria S, Arumugakani G, Ash Z, Buckley C, Coles L, Hettiarachchi C, Payne E, Savic S, Smithson G, Slade M, Shah R, Marzo-Ortega H, Keen M, Lawson C, Mclorinan J, Nizam S, Reddy H, Sharif O, Sultan S, Tran G, Wood M, Wood S, Ghosh P, McGonagle D. MDA5-autoimmunity and interstitial pneumonitis contemporaneous with the COVID-19 pandemic (MIP-C). EBioMedicine 2024; 104:105136. [PMID: 38723554 PMCID: PMC11090026 DOI: 10.1016/j.ebiom.2024.105136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Anti-MDA5 (Melanoma differentiation-associated protein-5) positive dermatomyositis (MDA5+-DM) is characterised by rapidly progressive interstitial lung disease (ILD) and high mortality. MDA5 is an RNA sensor and a key pattern recognition receptor for the SARS-CoV-2 virus. METHODS This is a retrospective observational study of a surge in MDA5 autoimmunity, as determined using a 15 muscle-specific autoantibodies (MSAs) panel, between Janurary 2018 and December 2022 in Yorkshire, UK. MDA5-positivity was correlated with clinical features and outcome, and regional SARS-CoV-2 positivity and vaccination rates. Gene expression patterns in COVID-19 were compared with autoimmune lung disease and idiopathic pulmonary fibrosis (IPF) to gain clues into the genesis of the observed MDA5+-DM outbreak. FINDINGS Sixty new anti-MDA5+, but not other MSAs surged between 2020 and 2022, increasing from 0.4% in 2019 to 2.1% (2020), 4.8% (2021) and 1.7% (2022). Few (8/60) had a prior history of confirmed COVID-19, peak rates overlapped with regional SARS-COV-2 community positivity rates in 2021, and 58% (35/60) had received anti-SARS-CoV-2 vaccines. 25/60 cases developed ILD which rapidly progression with death in 8 cases. Among the 35/60 non-ILD cases, 14 had myositis, 17 Raynaud phenomena and 10 had dermatomyositis spectrum rashes. Transcriptomic studies showed strong IFIH1 (gene encoding for MDA5) induction in COVID-19 and autoimmune-ILD, but not IPF, and IFIH1 strongly correlated with an IL-15-centric type-1 interferon response and an activated CD8+ T cell signature that is an immunologic hallmark of progressive ILD in the setting of systemic autoimmune rheumatic diseases. The IFIH1 rs1990760TT variant blunted such response. INTERPRETATION A distinct pattern of MDA5-autoimmunity cases surged contemporaneously with circulation of the SARS-COV-2 virus during COVID-19. Bioinformatic insights suggest a shared immunopathology with known autoimmune lung disease mechanisms. FUNDING This work was supported in part by the National Institute for Health Research (NIHR) Leeds Biomedical Research Centre (BRC), and in part by the National Institutes of Health (NIH) grant R01-AI155696 and pilot awards from the UC Office of the President (UCOP)-RGPO (R00RG2628, R00RG2642 and R01RG3780) to P.G. S.S was supported in part by R01-AI141630 (to P.G) and in part through funds from the American Association of Immunologists (AAI) Intersect Fellowship Program for Computational Scientists and Immunologists.
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Affiliation(s)
- Paula David
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom; University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom; Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Saptarshi Sinha
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Khizer Iqbal
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Gabriele De Marco
- University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom; Mid Yorkshire Teaching NHS Trust, Rheumatology, Wakefield, United Kingdom; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
| | - Sahar Taheri
- Department of Computer Science and Engineering, Jacob's School of Engineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Ella McLaren
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA
| | - Sheetal Maisuria
- Leeds Teaching Hospitals NHS Trust, Pathology, Leeds, United Kingdom
| | - Gururaj Arumugakani
- Leeds Teaching Hospitals NHS Trust, Pathology, Leeds, United Kingdom; University of Leeds, Immunology, Leeds, United Kingdom
| | - Zoe Ash
- Bradford Teaching Hospitals NHS Foundation Trust, Rheumatology, Bradford, United Kingdom
| | - Catrin Buckley
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Lauren Coles
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | | | - Emma Payne
- Leeds Teaching Hospitals NHS Trust, Pathology, Leeds, United Kingdom
| | - Sinisa Savic
- University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom; Department of Clinical Immunology and Allergy, Leeds Teaching Hospitals, NHS Trust, Leeds, UK
| | - Gayle Smithson
- Mid Yorkshire Teaching NHS Trust, Rheumatology, Wakefield, United Kingdom
| | - Maria Slade
- Mid Yorkshire Teaching NHS Trust, Rheumatology, Wakefield, United Kingdom
| | - Rahul Shah
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Helena Marzo-Ortega
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom; University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
| | - Mansoor Keen
- Bradford Teaching Hospitals NHS Foundation Trust, Rheumatology, Bradford, United Kingdom
| | - Catherine Lawson
- Harrogate and District NHS Foundation Trust, Rheumatology, Harrogate, United Kingdom
| | - Joanna Mclorinan
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Sharmin Nizam
- Mid Yorkshire Teaching NHS Trust, Rheumatology, Wakefield, United Kingdom
| | - Hanu Reddy
- Airedale NHS Foundation Trust, Rheumatology, Steeton with Eastburn, United Kingdom
| | - Omer Sharif
- Calderdale and Huddersfield NHS Foundation Trust, Rheumatology, Huddersfield and Halifax, United Kingdom
| | - Shabina Sultan
- Airedale NHS Foundation Trust, Rheumatology, Steeton with Eastburn, United Kingdom
| | - Gui Tran
- Harrogate and District NHS Foundation Trust, Rheumatology, Harrogate, United Kingdom
| | - Mark Wood
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Samuel Wood
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom
| | - Pradipta Ghosh
- Department of Cellular and Molecular Medicine, School of Medicine, University of California San Diego, La Jolla, CA, 92093, USA; Department of Medicine, School of Medicine, and Veterans Affairs Medical Center, University of University of California San Diego, La Jolla, CA, 92093, USA.
| | - Dennis McGonagle
- Leeds Teaching Hospitals NHS Trust, Rheumatology Department, Leeds, United Kingdom; University of Leeds, Leeds Institute of Rheumatic and Musculoskeletal Medicine, Leeds, United Kingdom.
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Richardson WM, Shah JT, Mazori DR, Caplan AS, Lo Sicco KI, Femia AN. Hospitalization and Continuity of Care in Anti-MDA5 Dermatomyositis. JAMA Dermatol 2024; 160:674-676. [PMID: 38630455 PMCID: PMC11024728 DOI: 10.1001/jamadermatol.2024.0403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 02/09/2024] [Indexed: 04/20/2024]
Abstract
This cohort study describes the clinical features, patient characteristics, and treatment of anti-melanoma differentiation–associated gene 5 (MDA5) dermatomyositis.
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Affiliation(s)
- William Mark Richardson
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
| | - Jill T. Shah
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
| | - Daniel R. Mazori
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
| | - Avrom S. Caplan
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
| | - Kristen I. Lo Sicco
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
| | - Alisa N. Femia
- The Ronald O. Perelman Department of Dermatology, New York University Grossman School of Medicine, New York
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Alhassan E, Yi BY, Rodman J, Weisman MH, Crew A, Wise L. Unique characteristics of anti-MDA-5 associated dermatomyositis in Southern California with a large Hispanic population. Semin Arthritis Rheum 2024; 66:152434. [PMID: 38503149 DOI: 10.1016/j.semarthrit.2024.152434] [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: 10/08/2023] [Revised: 02/08/2024] [Accepted: 03/01/2024] [Indexed: 03/21/2024]
Abstract
OBJECTIVES There is little to no data about the presentation and clinical course of anti-melanoma differentiation-associated gene-5 antibody (anti-MDA-5) dermatomyositis in a primarily U.S. Hispanic population. We describe the clinical course of anti-MDA-5 dermatomyositis in our majority Hispanic population. METHODS This is a multicenter, retrospective case series of anti-MDA-5 dermatomyositis. Patients diagnosed with anti-MDA-5 dermatomyositis from June 2015 to March 2023 at four medical centers in Los Angeles, California, were included. Demographics and clinical characteristics were obtained. Descriptive statistics, Pearson's chi-squared, Fisher's exact, Wilcoxon rank sum, and Kruskal-Wallis tests were performed as applicable. RESULTS Thirty anti-MDA-5 dermatomyositis patients were included. Twenty-two (73 %) were Hispanic. Twenty-one patients (70 %) were female, with a median age of 40.5 years. Hispanic patients were diagnosed with anti-MDA-5 dermatomyositis at a younger age than non-Hispanic patients (p = 0.025). Inflammatory arthritis was prominent; more males were affected than females (p = 0.027). Thirteen patients (43 %) were amyopathic. Twenty-five patients (83.3 %) had evidence of interstitial lung disease (ILD), and a higher ferritin level was associated with ILD (p = 0.049). There were six deaths (20 %); five (17 %) were ascribed to rapidly progressive ILD. CONCLUSION ILD was the most common presentation of anti-MDA-5 dermatomyositis in our cohort and was associated with higher ferritin levels. Hispanic patients had a younger age of diagnosis than non-Hispanic patients. Necrotic skin lesions and inflammatory arthritis were frequently seen. This is the first study looking at clinical phenotypes and outcomes of anti-MDA-5 dermatomyositis in a primarily Hispanic U.S. POPULATION Future studies are needed to better understand the clinical manifestations (to promptly recognize and treat) of this population of anti-MDA-5 dermatomyositis.
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Affiliation(s)
- Eaman Alhassan
- Division of Rheumatology, Department of Medicine, University of Southern California Keck School of Medicine, Los Angeles, CA, USA.
| | - Belina Y Yi
- Division of Rheumatology, Department of Pediatrics, Children's Hospital Los Angeles, Los Angeles, CA, USA; Division of Pediatric Allergy, Immunology, and Rheumatology, Department of Pediatrics, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jack Rodman
- Clinical & Translational Science Institute, University of Southern California, Los Angeles, CA, USA
| | - Michael H Weisman
- Division of Rheumatology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
| | - Ashley Crew
- Department of Dermatology, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - Leanna Wise
- Division of Rheumatology, Department of Medicine, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
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Ueda-Hayakawa I, Maekawa A, Tonomura K, Kaneda E, Yamazaki Y, Arase N, Fujimoto M. Association between periungual changes and myositis-specific autoantibodies in patients with idiopathic inflammatory myopathies: A retrospective cohort study. J Am Acad Dermatol 2024:S0190-9622(24)00685-6. [PMID: 38704031 DOI: 10.1016/j.jaad.2024.03.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/07/2024] [Accepted: 03/10/2024] [Indexed: 05/06/2024]
Affiliation(s)
- Ikuko Ueda-Hayakawa
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan.
| | - Aya Maekawa
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Kyoko Tonomura
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Emi Kaneda
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Yuriko Yamazaki
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan; Department of Cutaneous Allergy and Host Defense, Osaka University Immunology Frontier Research Center, Suita, Japan
| | - Noriko Arase
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Manabu Fujimoto
- Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan
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Song D, Yi Q, Zhuang K, Yang L, Du D, Jiang X. Unilateral heliotrope rash: A call for recognizing its warning significance in anti-MDA5 antibody-associated dermatomyositis. J Dermatol 2024. [PMID: 38619182 DOI: 10.1111/1346-8138.17228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/26/2024] [Accepted: 03/28/2024] [Indexed: 04/16/2024]
Affiliation(s)
- Deyu Song
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Qin Yi
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Kaiwen Zhuang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
| | - Li Yang
- Department of Dermatology, Ningxia Fifth People's Hospital, Shizuishan, China
| | - Dan Du
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Xian Jiang
- Department of Dermatology, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Dermatology, Clinical Institute of Inflammation and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
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12
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Peringeth G, Abbi B, Mahmood S. Treatment of myopathy and cutaneous ulcers in anti-MDA5-positive dermatomyositis with triple therapy. BMJ Case Rep 2024; 17:e253960. [PMID: 38514155 PMCID: PMC10961521 DOI: 10.1136/bcr-2022-253960] [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] [Indexed: 03/23/2024] Open
Abstract
Antimelanoma differentiation-associated protein 5 positive dermatomyositis (MDA5 DM) is a rare subtype of idiopathic inflammatory myopathy. There are limited data available regarding the cutaneous manifestations of MDA5 DM in the African American population. We presented the case of a male patient in his early 20s who presented with debilitating cutaneous ulceration and myopathy. Workup revealed interstitial lung disease (ILD) and positive MDA5 serology consistent with MDA5 DM. He made a remarkable recovery in terms of myopathy and cutaneous ulcerations with a multipronged regimen of prednisone, intravenous immunoglobulin and mycophenolate mofetil. However, there was a progression of ILD on this regimen which warranted use of rituximab.
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Affiliation(s)
- Gopisree Peringeth
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Bhavna Abbi
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
- Rheumatology, Lahey Hospital and Medical Center, Burlington, Massachusetts, USA
| | - Shereen Mahmood
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA
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13
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Cassard L, Seraly N, Riegert M, Patel A, Fernandez AP. Dermatomyositis: Practical Guidance and Unmet Needs. Immunotargets Ther 2024; 13:151-172. [PMID: 38464459 PMCID: PMC10924937 DOI: 10.2147/itt.s381472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/13/2024] [Indexed: 03/12/2024] Open
Abstract
Dermatomyositis is a heterogeneous idiopathic inflammatory myopathy associated with various cutaneous manifestations and variable presence of myositis, interstitial lung disease, and other visceral organ involvement. An accurate diagnosis of dermatomyositis requires correlating clinical examination findings with serological and histological findings. Familiarity with pathognomonic and common cutaneous manifestations of dermatomyositis, which are highlighted here, can be especially helpful in making an accurate diagnosis. Additionally, evaluating patients for presence of myositis-specific autoantibodies can further support or refute a dermatomyositis diagnosis. When present, myositis-specific autoantibodies can also help guide workups for various dermatomyositis-associated manifestations, as each is associated with relatively distinct clinical characteristics. Evaluating patients for various systemic manifestations often relies on expert opinion recommendations; however, societal guideline statements concerning the evaluation of some manifestations have recently been described. Although malignancy-associated dermatomyositis is a well-accepted subtype, there is limited evidence to support extensive malignancy screening has a favorable benefit-risk ratio in most dermatomyositis patients. However, recent research has uncovered novel associations between dermatomyositis and malignancy, suggesting the possibility of identifying high-risk subsets of dermatomyositis patients in whom malignancy screening may have a high value. Treatment for dermatomyositis has remained largely unchanged over the past several decades. Although many dermatomyositis patients can be effectively treated with current options, either as monotherapy or with combination regimens, there is a need for more targeted and effective DM therapies, in general, and for MDA5(+) dermatomyositis-associated rapidly progressive interstitial lung disease. Fortunately, significant current and emerging research activities evaluating various novel medications for dermatomyositis provide hope for exciting future advances in patients with this intriguing immune-mediated disease.
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Affiliation(s)
- Lydia Cassard
- Cleveland Clinic Lerner College of Medicine at Case Western Reserve University, Cleveland, OH, USA
| | - Noelle Seraly
- Department of Dermatology, Cleveland Clinic, Cleveland, OH, USA
| | - Maureen Riegert
- Department of Dermatology, Rush University, Chicago, IL, USA
| | - Aditi Patel
- Department of Rheumatology, Cleveland Clinic, Cleveland, OH, USA
| | - Anthony P Fernandez
- Departments of Dermatology and Pathology, Cleveland Clinic, Cleveland, OH, USA
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14
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Englert B, Dittmayer C, Goebel HH, Schneider U, Holzer MT, Uruha A, Stenzel W. "Amyopathic" MDA5-positive dermatomyositis with severe lung involvement presenting with net myositic morphological features - insights from an autopsy study. Neuromuscul Disord 2024; 36:42-47. [PMID: 38354588 DOI: 10.1016/j.nmd.2024.01.009] [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: 08/29/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/16/2024]
Abstract
Anti-MDA5-positive dermatomyositis (MDA5-DM) often presents with extramuscular, especially pulmonary and skin manifestations, and apparent clinical signs of frank myositis can be missing (so called amyopathic DM). We hereby present two male patients who died from respiratory failure during the course of MDA5-DM. While overt signs of myositis or any skin involvement were absent at admission to hospital we noticed conspicuous inflammatory alterations in various skeletal muscles morphologically, showing different degrees of affection. Furthermore, pathological changes of the lungs compatible with rapid progressive interstitial lung disease and characteristic cutaneous vasculoocclusive features were identified at autopsy. This observation shows that muscles and skin are subclinically affected in a widespread fashion, hence subtle signs of muscle involvement should be sought after in anti-MDA5-positive patients with predominant lung affection to ensure adequate treatment.
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Affiliation(s)
- Benjamin Englert
- Center for Neuropathology and Prion Research, Faculty of Medicine, LMU Munich, Feodor-Lynen-Strasse 23, 81377 Munich, Germany.
| | - Carsten Dittmayer
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Hans-Hilmar Goebel
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany; Department of Neuropathology, Universitätsmedizin Mainz, Langenbeckstrasse 1, 55131 Mainz, Germany
| | - Udo Schneider
- Department of Rheumatology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Marie-Therese Holzer
- Division of Rheumatology and Systemic Inflammatory Diseases, III. Department of Medicine, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246, Hamburg, Germany
| | - Akinori Uruha
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Werner Stenzel
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117 Berlin, Germany
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15
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Ma X, Feng W, Chen S, Zhong X, Zheng X, Lin C, Xu Q. A bibliometric analysis of the research status and trends in studies on polymyositis and dermatomyositis with interstitial lung disease from 2000 to 2022 using Web of Science. Immun Inflamm Dis 2024; 12:e1190. [PMID: 38376948 PMCID: PMC10878432 DOI: 10.1002/iid3.1190] [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: 09/04/2023] [Revised: 01/28/2024] [Accepted: 02/02/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND The main subtypes of idiopathic inflammatory myopathies (IIMs)-polymyositis (PM) and dermatomyositis (DM)-are often presented as interstitial lung disease (ILD) in clinical practice; therefore, many researchers have combined the three studies into PM/DM with ILD. METHODS Using bibliometrics, the research status, progress, and hotspots of PM/DM with ILD between 2000 and 2022 were studied. Literature data on PM/DM with ILD were retrieved from the Web of Science (WoS) database for the research period. Visualization software, including VOSviewer, Pajek, CiteSpace, and Scimago Graphica were used for bibliometric analysis. RESULTS A total of 1555 relevant articles were obtained, and the overall research in this field showed an increasing trend. Regarding contributing countries and venues, Japan published the most articles while Rheumatology was the most prolific journal. Regarding authors, the most published article was by Wang Guochun from Changchun University of Technology in China. Keyword analysis and cocited literature cluster analysis showed that diagnosis, classification, autoantibodies, antibodies, prognosis, complications, and treatment of PM/DM with ILD have been hot topics in this field recently. Moreover, our study shows that anti-mda5 antibody, mortality, gene 5 antibody, IIMs, double-blind, and prognostic factors, among others, may be new hot topics. CONCLUSION This study found that research on PM/DM with ILD has increased over time, and scholars are paying more attention to this field. The development of new drugs for the management, treatment, and prevention of PM/DM with ILD is the primary task of researchers and a direction for future research in this field.
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Affiliation(s)
- Xiao‐Na Ma
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Wei Feng
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Shu‐Lin Chen
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Xiao‐Qin Zhong
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Xue‐Xia Zheng
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Chang‐Song Lin
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
| | - Qiang Xu
- State Key Laboratory of Traditional Chinese Medicine SyndromeThe First Clinical Medical College of Guangzhou University of Chinese MedicineGuangzhouGuangdongChina
- Department of RheumatologyGuangzhou University of Traditional Chinese Medicine of the First Affiliated HospitalGuangzhouGuangdongChina
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De Jesus AV, De Souza JM. Clinically amyopathic dermatomyositis associated with cutaneous ulcerations: a case-based review. Ann Med Surg (Lond) 2024; 86:1210-1214. [PMID: 38333314 PMCID: PMC10849458 DOI: 10.1097/ms9.0000000000001669] [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: 11/03/2023] [Accepted: 12/20/2023] [Indexed: 02/10/2024] Open
Abstract
Introduction and importance Dermatomyositis (DM) is an autoimmune myopathy primarily affecting both muscles and skin. When muscle weakness is not clinically apparent, but characteristic skin lesions are present, the condition is referred to as clinically amyopathic dermatomyositis (CADM). Case presentation The authors present the case of a 52-year-old female with a typical DM rash, interstitial pneumonia, and multiple skin ulcers. The skin biopsy was consistent with DM, and there were no signs of muscle involvement. Myositis-related and myositis-specific autoantibodies were also negative. Significant improvement was not observed until the patient received successive monthly pulses of methylprednisolone and the introduction of methotrexate. This treatment regimen allowed for the complete tapering of prednisone and resulted in sustained disease control. Clinical discussion In addition to the case presentation, a narrative literature review was conducted using the MEDLINE database, and an evidence-based treatment flowchart is proposed. CADM is a subtype of DM, related to higher incidences of interstitial lung disease, skin vasculopathy and malignancy. When ulcers or interstitial pneumonia are present, treatment should be early and aggressive. Active screening for neoplasms is recommended, particularly within the first 5 years. Conclusion The authors presented a case of seronegative CADM featuring skin vasculopathy, successfully treated with consecutive methylprednisolone pulses. Our literature review emphasized the importance of focused CADM management trials, highlighting the need for further research.
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Affiliation(s)
| | - Jean Marcos De Souza
- Faculdade de Ciencias Medicas, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
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17
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Sevim E, Kobrin D, Casal-Dominguez M, Pinal-Fernandez I. A comprehensive review of dermatomyositis treatments - from rediscovered classics to promising horizons. Expert Rev Clin Immunol 2024; 20:197-209. [PMID: 37842905 DOI: 10.1080/1744666x.2023.2270737] [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: 07/25/2023] [Accepted: 10/10/2023] [Indexed: 10/17/2023]
Abstract
INTRODUCTION Dermatomyositis (DM) is a rare inflammatory disease with diverse cutaneous and systemic manifestations, often associated with myositis-specific antibodies. Managing patients with refractory DM, or individuals presenting pecific complications, like calcinosis or rapidly progressive interstitial lung disease, presents unique challenges. AREAS COVERED This review explores current and promising treatment options for DM, drawing from clinical studies, case series, and case reports that consider the underlying disease pathophysiology. EXPERT OPINION Recent advancements have improved our understanding and management of DM. The discovery of distinct DM autoantibodies and their correlation with specific clinical phenotypes has transformed patient categorization and enhanced our knowledge of the pathogenesis of the disease. Intravenous immunoglobulin, a well-established treatment in dermatomyositis, has regained prominence and a large randomized clinical trial has reaffirmed its efficacy, confirming it as an effective therapeutic option in this group of patients. Identification of the type I interferon pathway as a key pathogenic mechanism in DM has opened up new avenues for more effective treatment strategies. Blocking the JAK/STAT pathway offers potential for improved management of refractory patients and prevention of highly morbid complications. These recent advancements have significantly impacted the management and care of dermatomyositis patients, enabling tailored approaches, targeted interventions, and improved outcomes for individuals affected by this complex condition.
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Affiliation(s)
- Ecem Sevim
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Dale Kobrin
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Maria Casal-Dominguez
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Iago Pinal-Fernandez
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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18
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Steininger J, Günther C. [Current update on dermatomyositis]. DERMATOLOGIE (HEIDELBERG, GERMANY) 2024; 75:153-162. [PMID: 38194097 DOI: 10.1007/s00105-023-05273-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/20/2023] [Indexed: 01/10/2024]
Abstract
Dermatomyositis (DM) is a rare autoimmune disease with involvement of skin and muscle that is classified as an idiopathic inflammatory myopathy. In addition to cutaneous lesions as well as weakness and atrophy of muscles, the heart and lungs are the major affected organs. DM occurs in association with malignant tumors in 20% of affected adults. The pathogenesis of the disease is not completely understood. DM is a multifactorial disease influenced by genetic, environmental and immunological factors. The immune response is characterized by activation of innate and adaptive immune mechanisms and a strong activation of the type I interferon pathway. Myositis-specific antibodies are characteristic of DM and allow differential diagnosis. Therapies include corticosteroids, antimalarials, immunoglobulins, biologics such as rituximab or JAK inhibitors. Early diagnosis and treatment are essential for the prognosis.
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Affiliation(s)
- Julian Steininger
- Klinik und Poliklinik für Dermatologie, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 74, 01307, Dresden, Deutschland.
| | - Claudia Günther
- Klinik und Poliklinik für Dermatologie, Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Fetscherstr. 74, 01307, Dresden, Deutschland.
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19
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de Boysson H, Cuchet M, Cassius C, Cuchet P, Agard C, Audemard-Verger A, Marchand-Adam S, Cohen-Sors R, Gallay L, Graveleau J, Lesort C, Ly K, Meyer A, Monseau G, Néel A, Bonnotte B, Pérard L, Schleinitz N, Mariotte D, Le Mauff B, Bourdenet G, Masmoudi W, Deshayes S, Dumont A, Dompmartin A, Kottler D, Aouba A. Disease patterns and specific trajectories of anti-MDA5-related disease: a multicentre retrospective study of 70 adult patients. Front Immunol 2024; 14:1319957. [PMID: 38259447 PMCID: PMC10800864 DOI: 10.3389/fimmu.2023.1319957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction This study aimed to provide an updated analysis of the different prognostic trajectories of patients with anti-melanoma differentiation-associated gene 5 (MDA5) antibodies. Methods Among a cohort of 70 patients, baseline characteristics and phenotypes, treatments and outcomes were analyzed. A Cox proportional hazards model was used to identify factors associated with poor outcomes, i.e., death or progressive disease at the last follow-up. Results Among the 70 patients, 45 were women, and 54 were Caucasian. A dermatologic involvement was observed in 58 (83%) patients, including 40 with MDA5 vasculopathy-related skin lesions. Muscular involvement was observed in 39 (56%) patients. Interstitial lung disease (ILD) was observed at baseline in 52 (74%) patients, including 23 (44%) who developed rapidly progressive (RP) ILD. Seven (10%) patients showed thromboembolic complications within the first weeks of diagnosis, and eight (11%) other patients developed a malignancy (4 before the diagnosis of anti-MDA5 disease). Poor outcomes were observed in 28 (40%) patients, including 13 (19%) deaths. Among the 23 patients with RP-ILD, 19 (79%) showed poor outcomes, including 12 (63%) who died. In multivariate analyses, RP-ILD (hazard ratio (HR), 95% CI: 8.24 [3.21-22], p<0.0001), the occurrence of thromboembolic events (HR: 5.22 [1.61-14.77], p=0.008) and the presence of any malignancy (HR: 19.73 [6.67-60], p<0.0001) were the three factors independently associated with poor outcomes. Discussion This new independent cohort confirms the presence of different clinical phenotypes of anti-MDA5 diseases at baseline and the poor prognosis associated with RP-ILD. Thromboembolic events and malignancies were also identified as prognostic factors.
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Affiliation(s)
- Hubert de Boysson
- Department of Internal Medicine, Caen University Hospital, Caen, France
| | - Marie Cuchet
- Department of Dermatology, Caen University Hospital, Caen, France
| | - Charles Cassius
- Department of Dermatology, France Saint Louis Hospital, (AP-HP), Paris, France
| | - Pierre Cuchet
- Department of Pneumology, Caen University Hospital, Caen, France
| | - Christian Agard
- Nantes Université, Centre Hospitalier et Universitaire (CHU) Nantes, Service de Médecine Interne, Nantes, France
| | | | | | | | - Laure Gallay
- Service de Médecine Interne et Immunologie Clinique, Hôpital Édouard Herriot, Hospices Civils de Lyon, Lyon, France
| | - Julie Graveleau
- Department of Internal Medicine, Saint-Nazaire Hospital, Saint-Nazaire, France
| | - Cécile Lesort
- Department of Dermatology, Edouard Herriot Hospital, Hospices civiles de Lyon (HCL), Lyon, France
| | - Kim Ly
- Department of Internal Medicine, Limoges University Hospital, Limoges, France
| | - Alain Meyer
- Department of Rheumatology, Strasbourg University Hospital, Strasbourg, France
| | - Grégoire Monseau
- Department of Intensive Medicine, Poitiers University Hospital Center, Poitiers, France
| | - Antoine Néel
- Nantes Université, Centre Hospitalier et Universitaire (CHU) Nantes, Service de Médecine Interne, Nantes, France
| | - Bernard Bonnotte
- Department of Internal Medicine, Dijon University Hospital, Dijon, France
| | - Laurent Pérard
- Department of Internal Medicine, Saint Joseph Saint Luc Hospital, Lyon, France
| | - Nicolas Schleinitz
- Department of Internal Medicine, La Timone University Hospital, Assistance Publique - Hopitaux de Marseille (AP-HM), Marseille, France
| | | | | | - Gwladys Bourdenet
- Department of Immunology, Amiens University Hospital, Amiens, France
- HEMATIM – EA4666, Jules Verne University of Picardie, Amiens, France
| | - Wafa Masmoudi
- Department of Dermatology, Rouen University Hospital, Rouen, France
| | - Samuel Deshayes
- Department of Internal Medicine, Caen University Hospital, Caen, France
| | - Anaël Dumont
- Department of Internal Medicine, Caen University Hospital, Caen, France
| | - Anne Dompmartin
- Department of Dermatology, Caen University Hospital, Caen, France
| | - Diane Kottler
- Department of Dermatology, Caen University Hospital, Caen, France
| | - Achille Aouba
- Department of Internal Medicine, Caen University Hospital, Caen, France
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20
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Agrawal U, Sondhi M, Zamora Smith A, Nida SS, Umer S, Hayat S, Muzaffar K. A Rare Case of Anti-TIF-1γ Antibody Positive Dermatomyositis in Adulthood. J Investig Med High Impact Case Rep 2024; 12:23247096241263065. [PMID: 38904327 PMCID: PMC11193338 DOI: 10.1177/23247096241263065] [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: 04/15/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/22/2024] Open
Abstract
Dermatomyositis (DM) presents with inflammatory myopathy and distinct skin manifestations, often linked to specific autoantibodies. Anti-transcriptional intermediary factor-1 gamma (TIF-1γ) antibodies (Abs) are typically linked to DM in older patients and malignancy in 15% to 40% of cases. We highlight a case of a 24-year-old female who presented with weakness of proximal muscles, periorbital edema, heliotrope rash, erosions on oral mucosa, and painful scaly rash on the lower extremities. Transcriptional intermediary factor-1 gamma Abs were positive, confirming inflammatory myopathy. Treatment with steroid pulse therapy and immunoglobulin led to improvement. Evaluation for malignancy yielded unremarkable results. This case underscores the importance of recognizing and managing DM with TIF-1γ Ab positive, even in atypical demographics, and highlights the need for comprehensive malignancy evaluation.
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Affiliation(s)
- Upasana Agrawal
- Louisiana State University Health Sciences Center, Shreveport, USA
| | - Manush Sondhi
- Louisiana State University Health Sciences Center, Shreveport, USA
| | | | - Syeda Sara Nida
- Louisiana State University Health Sciences Center, Shreveport, USA
| | - Sarwat Umer
- Louisiana State University Health Sciences Center, Shreveport, USA
| | - Samina Hayat
- Louisiana State University Health Sciences Center, Shreveport, USA
| | - Kinza Muzaffar
- Louisiana State University Health Sciences Center, Shreveport, USA
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21
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Lu X, Peng Q, Wang G. Anti-MDA5 antibody-positive dermatomyositis: pathogenesis and clinical progress. Nat Rev Rheumatol 2024; 20:48-62. [PMID: 38057474 DOI: 10.1038/s41584-023-01054-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/27/2023] [Indexed: 12/08/2023]
Abstract
Anti-melanoma differentiation-associated protein 5 (MDA5) antibody-positive dermatomyositis (MDA5-DM) is a subtype of dermatomyositis. Although the aetiology and pathology remain unclear, increasing evidence suggests that viral infection is a potential trigger of MDA5-DM. Multiple factors, including T cells, B cells, neutrophils and macrophages, are implicated in the pathophysiology of MDA5-DM. Distinctive skin rashes, rapidly progressive interstitial lung disease, peripheral lymphopenia and elevated serum ferritin levels are the most prominent clinical and laboratory features of MDA5-DM. Concomitant infection is a common complication of MDA5-DM. The proper evaluation of patients with MDA5-DM requires knowledge of the disease heterogeneity and clinical course variability. Several biomarkers, including serum levels of anti-MDA5 antibodies and biomarkers related to macrophage activation, have been identified as useful tools for monitoring disease activity and prognosis. MDA5-DM shows a poor response to conventional glucocorticoid and immunosuppressant therapy and has a poor overall prognosis. Therefore, there is an urgent need to explore the key pathogenic mechanisms of MDA5-DM and develop novel therapeutic options for patients. This Review discusses recent clinical progress and pathogenic findings of MDA5-DM.
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Affiliation(s)
- Xin Lu
- Department of Rheumatology, Key Myositis Laboratories, China-Japan Friendship Hospital, Beijing, China
| | - Qinglin Peng
- Department of Rheumatology, Key Myositis Laboratories, China-Japan Friendship Hospital, Beijing, China
| | - Guochun Wang
- Department of Rheumatology, Key Myositis Laboratories, China-Japan Friendship Hospital, Beijing, China.
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22
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Kawakami E, Uchida T, Iwamoto N, Hara K, Egashira K, Kawakami A. Anti-melanoma Differentiation-associated Gene 5 Antibody-positive Dermatomyositis Presenting as Refractory Gingivitis at the First Clinical Manifestation. Intern Med 2024; 63:131-134. [PMID: 37197957 PMCID: PMC10824632 DOI: 10.2169/internalmedicine.1621-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 03/29/2023] [Indexed: 05/19/2023] Open
Abstract
We herein report a case of melanoma differentiation-associated gene 5 (MDA5) antibody-positive dermatomyositis that developed in a patient with refractory gingivitis. The diagnosis of anti-MDA5 antibody-positive dermatomyositis was made based on a characteristic skin rash, weakness of proximal muscles, interstitial pneumonia, and positivity for anti-MDA5 antibody. The patient was started on triple therapy with high-dose prednisolone, tacrolimus, and intravenous cyclophosphamide. After treatment, the refractory gingivitis disappeared, and the other skin rash and interstitial lung disease also improved. In the diagnosis and treatment of anti-MDA5 antibody-positive dermatomyositis, it is necessary to pay attention to the intraoral findings, including the gingiva.
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Affiliation(s)
- Eiko Kawakami
- Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Tomohisa Uchida
- Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Naoki Iwamoto
- Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Kazusato Hara
- Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
- Rheumatic and Collagen Disease Center, Sasebo Chuo Hospital, Japan
| | - Kazuhiro Egashira
- Department of Regenerative Oral Surgery, Unit of Translational Medicine, Nagasaki University Graduate School of Biomedical Sciences, Japan
| | - Atsushi Kawakami
- Department of Immunology and Rheumatology, Division of Advanced Preventive Medical Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan
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Cheng L, Xu L, Xu Y, Yuan F, Li J, Wu M, Da Z, Wei H, Zhou L, Yin S, Wu J, Lu Y, Su D, Liu Z, Liu L, Ma L, Xu X, Liu H, Ren T, Zang Y. Gender differences in patients with anti-MDA5-positive dermatomyositis: a cohort study of 251 cases. Clin Rheumatol 2024; 43:339-347. [PMID: 37985533 DOI: 10.1007/s10067-023-06816-0] [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: 07/20/2023] [Revised: 10/09/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023]
Abstract
OBJECTIVE To investigate the impact of sex differences on the clinical characteristics and prognosis of patients with anti-melanoma differentiation-associated gene 5-positive dermatomyositis (MDA5+ DM). METHODS We retrospectively analyzed a cohort of 251 patients with MDA5+ DM, including 71 in the male group and 180 in the female group. A multivariate logistic regression model was built to analyze independent risk factors for RPILD in each group. An ROC curve was drawn to evaluate the predictive value of independent risk factors. Kaplan‒Meier analysis was used to compare the cumulative survival rates, while the log-rank test was used to test for significant differences between the two groups. RESULTS Patients in the male group had a significantly higher prevalence of heliotrope rash, V sign, severe interstitial lung disease (ILD), and rapidly progressive interstitial lung disease (RPILD) than those in the female group. Anti-Ro52 positivity, high CRP level and short disease were identified as independent risk factors for RPILD in both male and female groups by multivariate logistic regression analysis. The mortality rates of males and females were 33.8% and 22.0%, respectively, and the survival time of patients in the male group was shorter than that in the female group. CONCLUSION Male patients with MDA5+ DM exhibit an increased risk of RPILD, elevated mortality rates and reduced overall survival time compared to their female counterparts, and anti-Ro52 positivity may be an unfavorable prognostic factor for these patients. Key Points • The prevalence of solar rash, V sign, severe interstitial lung disease (ILD) and rapidly progressive interstitial lung disease (RPILD) in anti-MDA5-positive female patients was significantly lower than that in male patients. • Positive Anti-Ro52, high CRP level, and short course of disease were independent risk factors for RPILD in both men and women. • Female patients exhibited a lower mortality rate than male patients (22.0% vs 33.8%) and demonstrated longer survival time.
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Affiliation(s)
- Lu Cheng
- Department of Rheumatology and Immunology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, China
| | - Lingxiao Xu
- Department of Rheumatology and Immunology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, China
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yan Xu
- Department of Rheumatology and Immunology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, China
| | - Fenghong Yuan
- Department of Rheumatology and Immunology, Wuxi People's Hospital, Wuxi, Jiangsu, China
| | - Ju Li
- Department of Rheumatology and Immunology, Huai'an First People's Hospital, Huai'an, Jiangsu, China
| | - Min Wu
- Department of Rheumatology and Immunology, The First People's Hospital of Changzhou, Changzhou, Jiangsu, China
| | - Zhanyun Da
- Department of Rheumatology and Immunology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Hua Wei
- Department of Rheumatology and Immunology, Northern Jiangsu People's Hospital, Yangzhou, Jiangsu, China
| | - Lei Zhou
- Department of Rheumatology and Immunology, Changzhou No.2 People's Hospital, Changzhou, Jiangsu, China
| | - Songlou Yin
- Department of Rheumatology and Immunology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jian Wu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yan Lu
- Department of Rheumatology and Immunology, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Dinglei Su
- Department of Rheumatology and Immunology, Nanjing First Hospital, Nanjing, Jiangsu, China
| | - Zhichun Liu
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Lin Liu
- Department of Rheumatology and Immunology, Xuzhou Central Hospital, Xuzhou, Jiangsu, China
| | - Longxin Ma
- Department of Rheumatology and Immunology, Yancheng No.1 People's Hospital, Yancheng, Jiangsu, China
| | - Xiaoyan Xu
- Department of Rheumatology and Immunology, Zhongda Hospital Southeast University, Nanjing, Jiangsu, China
| | - Huijie Liu
- Department of Rheumatology and Immunology, The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China
| | - Tianli Ren
- Department of Rheumatology and Immunology, Wuxi No.2 People's Hospital, Wuxi, Jiangsu, China
| | - Yinshan Zang
- Department of Rheumatology and Immunology, The Affiliated Suqian First People's Hospital of Nanjing Medical University, Suqian, Jiangsu, China.
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Onose T, Kido T, Okada I, Yamazaki M, Hounoki H, Makino T, Yamauchi N, Matsushita T, Tobe K, Shinoda K. An autopsy case of anti-MDA5 antibody-positive amyopathic dermatomyositis with an initial manifestation of panniculitis on the left upper arm. Mod Rheumatol Case Rep 2023; 8:86-90. [PMID: 37340862 DOI: 10.1093/mrcr/rxad038] [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: 04/06/2023] [Revised: 06/03/2023] [Accepted: 06/15/2023] [Indexed: 06/22/2023]
Abstract
A 53-year-old man was presented with refractory panniculitis on the left upper arm that had persisted for 10 months. The patient was diagnosed with lupus profundus, wherein oral glucocorticoid therapy was initiated. Four months prior, ulceration was observed in the same area. Dapson was administered instead, scarring the ulcer but enlarging the panniculitis. Five weeks earlier, he developed a fever, productive cough, and dyspnoea. Three weeks earlier, a skin rash was observed on the forehead, left auricle posterior to the neck, and extensor aspect of the left elbow. Chest computed tomography showed pneumonia in the right lung, after which the patient's dyspnoea worsened. The patient was admitted and diagnosed with anti-MDA5 antibody-positive amyopathic dermatomyositis (ADM) based on skin findings, hyperferritinaemia, and rapidly progressive diffuse lung shadows. Glucocorticoid pulse therapy, intravenous cyclophosphamide, and tacrolimus were initiated, and later, plasma exchange therapy was combined. However, his condition worsened and required management with extracorporeal membrane oxygenation. The patient expired on day 28 after hospitalisation. An autopsy revealed hyalinising to fibrotic stages of diffuse alveolar damage. Strong expression of myxovirus resistance protein A was observed in three skin biopsy specimens from the time of initial onset, consistent with ADM. Anti-MDA5 antibody-positive ADM not only manifests typical cutaneous symptoms, but also rarely occurs with localised panniculitis, such as in the present case. In patients with panniculitis of unknown aetiology, the possibility of initial symptoms of ADM should be included in the differential diagnosis.
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Affiliation(s)
- Takafumi Onose
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Toshiki Kido
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Ikuma Okada
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Miho Yamazaki
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Hiroyuki Hounoki
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Teruhiko Makino
- Department of Dermatology, University of Toyama, Toyama, Japan
| | | | - Takashi Matsushita
- Department of Dermatology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Kazuyuki Tobe
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
| | - Koichiro Shinoda
- First Department of Internal Medicine, University of Toyama, Toyama, Japan
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Ramos-Martinez E, Rodríguez-Vega EA, Rivera-Matias PA, Falfán-Valencia R, Pérez-Rubio G, Mejia M, González-Pérez MI, Buendia-Roldán I, Mateos-Toledo HN, Serrano JR. Clinical risk factors in patients with interstitial lung disease associated with anti-MDA5 autoantibodies. Med Clin (Barc) 2023; 161:515-522. [PMID: 37567825 DOI: 10.1016/j.medcli.2023.07.013] [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: 03/15/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 08/13/2023]
Abstract
INTRODUCTION The anti-MDA5-associated autoimmune disease represents a poorly understood entity. The study's objectives were to describe a cohort of interstitial lung disease (ILD) patients who were positive for anti-MDA5 autoantibody and identify clinical risk factors associated with survival. METHODS This single-center cohort study included ILD patients positive for anti-MDA5 autoantibody. Baseline clinical features were registered, and survival analysis was performed to identify risk factors associated with worse survival. RESULTS Fifty-three ILD-MDA5 positive patients were included; twelve died during follow-up due to rapidly progressive interstitial lung disease (RP-ILD). Dermatological signs of anti-MDA5 (Gottron papules, Gottron sign, palmar papules, V-neck sign, facial dermatomyositis rashes, and skin ulcers) were strongly associated with death secondary to RP-ILD (HR: 3.7, 95% CI: 1.02-13.35). Patients with dermatological signs were younger, had higher anti-MDA5 autoantibodies titers, more frequent inflammatory patterns in HRCT evaluation, and less fibrosis extent in HRCT. CONCLUSION Dermatological manifestation in ILD patients to anti-MDA5 autoantibodies are associated with RP-ILD and short-term fatal outcomes. Dermatological signs may identify a subgroup of ILD-positive to anti-MDA5 patients with a high risk of RP-ILD.
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Affiliation(s)
- Espiridión Ramos-Martinez
- Experimental Medicine Research Unit, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México. Mexico
| | - Eric A Rodríguez-Vega
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Pedro A Rivera-Matias
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico; Becario de la Dirección General de Calidad y Educación en Salud, Secretaría de Salud, Mexico
| | - Ramcés Falfán-Valencia
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Gloria Pérez-Rubio
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Mayra Mejia
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Montserrat I González-Pérez
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Ivette Buendia-Roldán
- Research Direction, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Heidegger N Mateos-Toledo
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico
| | - Jorge Rojas Serrano
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Calzada de Tlalpan 4502, Tlalpan, Sección XVI, 14080 Ciudad de México, Mexico; Programa de Maestría y Doctorado en Ciencias Médicas, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México. Mexico.
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Iqbal K, Sinha S, David P, De Marco G, Taheri S, McLaren E, Maisuria S, Arumugakani G, Ash Z, Buckley C, Coles L, Hettiarachchi C, Smithson G, Slade M, Shah R, Marzo-Ortega H, Keen M, Lawson C, Mclorinan J, Nizam S, Reddy H, Sharif O, Sultan S, Tran G, Wood M, Wood S, Ghosh P, McGonagle D. MDA5-autoimmunity and Interstitial Pneumonitis Contemporaneous with the COVID-19 Pandemic (MIP-C). MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.11.03.23297727. [PMID: 37961408 PMCID: PMC10635254 DOI: 10.1101/2023.11.03.23297727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Background Anti-MDA5 (Melanoma differentiation-associated protein-5) positive dermatomyositis (MDA5 + -DM) is characterised by rapidly progressive interstitial lung disease (ILD) and high mortality. MDA5 senses single-stranded RNA and is a key pattern recognition receptor for the SARS-CoV-2 virus. Methods This is a retrospective observational study of a surge in MDA5 autoimmunity, as determined using a 15 muscle-specific autoantibodies (MSAs) panel, between Janurary 2018-December 2022 in Yorkshire, UK. MDA5-positivity was correlated with clinical features and outcome, and regional SARS-CoV-2 positivity and vaccination rates. Gene expression patterns in COVID-19 were compared with autoimmune lung disease and idiopathic pulmonary fibrosis (IPF) to gain clues into the genesis of the observed MDA5 + -DM outbreak. Results Sixty new anti-MDA5+, but not other MSAs surged between 2020-2022, increasing from 0.4% in 2019 to 2.1% (2020), 4.8% (2021) and 1.7% (2022). Few (8/60) had a prior history of confirmed COVID-19, peak rates overlapped with regional SARS-COV-2 community positivity rates in 2021, and 58% (35/60) had received anti-SARS-CoV-2 RNA vaccines. Few (8/60) had a prior history of COVID-19, whereas 58% (35/60) had received anti-SARS-CoV-2 RNA vaccines. 25/60 cases developed ILD which rapidly progression with death in 8 cases. Among the 35/60 non-ILD cases, 14 had myositis, 17 Raynaud phenomena and 10 had dermatomyositis spectrum rashes. Transcriptomic studies showed strong IFIH1 (gene encoding for MDA5) induction in COVID-19 and autoimmune-ILD, but not IPF, and IFIH1 strongly correlated with an IL-15-centric type-1 interferon response and an activated CD8+ T cell signature that is an immunologic hallmark of progressive ILD in the setting of systemic autoimmune rheumatic diseases. The IFIH1 rs1990760TT variant blunted such response. Conclusions A distinct pattern of MDA5-autoimmunity cases surged contemporaneously with circulation of the SARS-COV-2 virus during COVID-19. Bioinformatic insights suggest a shared immunopathology with known autoimmune lung disease mechanisms.
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Xue Y, Zhang J, Deng J, Kuang W, Wang J, Tan X, Li C, Li S, Li C. Efficiency of tofacitinib in refractory interstitial lung disease among anti-MDA5 positive juvenile dermatomyositis patients. Ann Rheum Dis 2023; 82:1499-1501. [PMID: 37280048 DOI: 10.1136/ard-2023-223919] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 05/15/2023] [Indexed: 06/08/2023]
Affiliation(s)
- Yuan Xue
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Junmei Zhang
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Department of Nephrology and Rheumatology, Children's Hospital Affiliated to Zhengzhou University, Zhengzhou, China
- Department of Nephrology and Rheumatology, Henan Children's Hospital Zhengzhou Children's Hospital, Zhengzhou, China
| | - Jianghong Deng
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Weiying Kuang
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Jiang Wang
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Xiaohua Tan
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Chao Li
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Shipeng Li
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Caifeng Li
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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Thuner J, Coutant F. IFN-γ: An overlooked cytokine in dermatomyositis with anti-MDA5 antibodies. Autoimmun Rev 2023; 22:103420. [PMID: 37625674 DOI: 10.1016/j.autrev.2023.103420] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Dermatomyositis with anti-melanoma differentiation-associated gene 5 antibody (anti-MDA5 DM) is a rare autoimmune disease, often complicated by life-threatening, rapidly progressive interstitial lung disease. Additional manifestations of the disease include skin lesions, vascular abnormalities, joints and muscles pain. Despite its clinical significance, the pathogenesis of anti-MDA5 DM remains largely unknown. Currently, the disease is perceived as driven by type I interferon (IFN) whose expression is increased in most of the patients. Importantly, the regulation of IFN-γ is also altered in anti-MDA5 DM as evidenced by the presence of IFN-γ positive histiocytes in the lungs of patients, and the identification of autoantibodies that directly stimulate the production of IFN-γ by mononuclear cells. This review critically examines the pathogenesis of the disease, shedding light on recent findings that emphasize a potential role of IFN-γ. A novel conceptual framework is proposed, which integrates the molecular mechanisms altering IFN-γ regulation in anti-MDA5 DM with the known functional effects of IFN-γ on key tissues affected during the disease, such as the lungs, skin, and vessels. Understanding the precise role and relevance of IFN-γ in the pathogenesis of the disease will not only enhance the selection of available therapies for anti-MDA5 DM patients but also pave the way for the development of new therapeutic approaches targeting the altered molecular pathways.
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Affiliation(s)
- Jonathan Thuner
- Immunogenomics and Inflammation Research Team, University of Lyon, Edouard Herriot Hospital, Lyon, France; Internal medicine Department, Lyon-Sud Hospital, Hospices Civils de Lyon, Pierre-Bénite, France
| | - Frédéric Coutant
- Immunogenomics and Inflammation Research Team, University of Lyon, Edouard Herriot Hospital, Lyon, France; Immunology Department, Lyon-Sud Hospital, Hospices Civils de Lyon, Pierre-Bénite, France.
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Chan AWS, Cheung CMT, Wong PCH, Choi PCL, Ng JKM, Li JJX. Increased histological severity and chronicity of interface inflammation in anti-MDA5 dermatomyositis-A comparative dermatopathological analysis. Int J Rheum Dis 2023; 26:2031-2036. [PMID: 37574925 DOI: 10.1111/1756-185x.14866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 07/19/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023]
Abstract
Anti-melanoma differentiation-associated gene 5 (MDA5) dermatomyositis is characterized by serological detection of anti-MDA5 antibody and rapidly progressive interstitial lung disease. In this study, the largest cohort of skin biopsies to date of anti-MDA5 dermatomyositis was reviewed and compared with cases of dermatomyositis with negative serology. Findings contribute to the histological diagnosis and evaluation of the severity of cutaneous inflammation in anti-MDA5 dermatomyositis. Skin biopsies collected over a 7-year period from individuals with clinically and histologically confirmed dermatomyositis with anti-MDA5 serology were reviewed. A total of 46 cases with 17 anti-MDA5 positive cases were retrieved. Patients with positive antibody were younger (53.7 vs. 60.6 years, p = .013). No differences in epidermal changes (p > .05) were observed. Pertaining to interface changes, anti-MDA5 dermatomyositis showed a higher degree of pigmentary incontinence (p = .014), suggesting increased and sustained cutaneous inflammation. Periodic acid-Schiff (PAS) stain demonstrated a greater degree of basement membrane thickening (p = .045). Other parameters, including dermal inflammation, dermal mucin deposition and vasculitic/vasculopathic features did not show statistical difference between anti-MDA5 positive and negative dermatomyositis (p > .05). Findings suggest increased cutaneous inflammation for anti-MDA5 dermatomyositis. In skin biopsies, marked pigmentary incontinence or basement membrane thickening should raise suspicion of anti-MDA5 dermatomyositis.
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Affiliation(s)
- Agnes Wai Sze Chan
- Division of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Christina Man-Tung Cheung
- Division of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Priscilla Ching-Han Wong
- Division of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Paul Cheung Lung Choi
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Joanna Ka Man Ng
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Joshua Jing Xi Li
- Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
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30
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Shao Q. Ulcerative rash in a patient with anti-MDA5 antibody-associated clinically amyopathic dermatomyositis. Clin Rheumatol 2023; 42:2515-2516. [PMID: 37256386 DOI: 10.1007/s10067-023-06643-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/01/2023]
Affiliation(s)
- Qin Shao
- Department of Rheumatology and Immunology, Chongqing City Hospital of Traditional Chinese Medicine, Chongqing, 400021, China.
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31
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Li M, Zhao X, Liu B, Zhao Y, Li X, Ma Z, Yang Q. Predictors of rapidly progressive interstitial lung disease and prognosis in Chinese patients with anti-melanoma differentiation-associated gene 5-positive dermatomyositis. Front Immunol 2023; 14:1209282. [PMID: 37691917 PMCID: PMC10483132 DOI: 10.3389/fimmu.2023.1209282] [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: 04/20/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023] Open
Abstract
Background Rapidly progressive interstitial lung disease (RP-ILD) is the most serious complication of anti-melanoma differentiation-associated gene 5-positive dermatomyositis (anti-MDA5+ DM). This study was performed to assess the prognostic factors of patients with anti-MDA5+ DM and the clinical characteristics and predictors of anti-MDA5+ DM in combination with RP-ILD. Methods In total, 73 MDA5+ DM patients were enrolled in this study from March 2017 to December 2021. They were divided into survival and non-survival subgroups and non-RP-ILD and RP-ILD subgroups. Results The lactate dehydrogenase (LDH) concentration and prognostic nutritional index (PNI) were independent prognostic factors in patients with anti-MDA5+ DM: the elevated LDH was associated with increased mortality (p = 0.01), whereas the elevated PNI was associated with reduced mortality (p < 0.001). The elevated LDH was independent risk prognostic factor for patients with anti-MDA5+ DM (HR 2.42, 95% CI: 1.02-4.83, p = 0.039), and the elevated PNI was independent protective prognostic factor (HR, 0.27; 95% CI, 0.08 - 0.94; p = 0.039). Patients who had anti-MDA5+ DM with RP-ILD had a significantly higher white blood cell count and LDH concentration than those without RP-ILD (p = 0.007 and p = 0.019, respectively). In contrast, PNI was significantly lower in patients with RP-ILD than those without RP-ILD (p < 0.001). The white blood cell count and elevated LDH were independent and significant risk factors for RP-ILD (OR 1.54, 95% CI: 1.12 - 2.13, p = 0.009 and OR 8.68, 95% CI: 1.28 - 58.83, p = 0.027, respectively), whereas the lymphocyte was an independent protective factor (OR, 0.11; 95% CI, 0.01 - 0.81; p = 0.03). Conclusion The elevated LDH and elevated PNI were independent prognostic factors for patients with anti-MDA5+ DM. The elevated LDH was independent risk factor for RP-ILD. Patients with anti-MDA5+ DM could benefit from the measurement of LDH and PNI, which are inexpensive and simple parameters that could be used for diagnosis as well as prediction of the extent of lung involvement and prognosis.
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Affiliation(s)
- Meiqi Li
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Xuli Zhao
- Department of Pain Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Baocheng Liu
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yaqi Zhao
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Xinya Li
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Zhenzhen Ma
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - Qingrui Yang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Department of Rheumatology and Immunology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
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Kaplan MM, Çelikel E, Güngörer V, Ekici Tekin Z, Gürsu HA, Polat SE, Cinel G, Çelikel Acar B. Cardiac involvement in a case of juvenile dermatomyositis with positive anti-melanoma differentiation associated protein 5 antibody. Int J Rheum Dis 2023; 26:1582-1585. [PMID: 36852875 DOI: 10.1111/1756-185x.14630] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/09/2023] [Indexed: 03/01/2023]
Abstract
Juvenile dermatomyositis (JDM) is an autoimmune disease characterized by muscle weakness and specific skin lesions, as well as non-muscular involvement such as interstitial lung disease (ILD), cardiac involvement and arthritis. Anti-melanoma differentiation-associated protein 5 (anti-MDA5)-positive JDM patients are typically characterized by the presence of skin ulcers and rapidly progressing ILD (RP-ILD). Although cardiac involvement is not an expected involvement in anti-MDA5-positive JDM cases, it is significant because it can be fatal. In this report, an anti-MDA5 myositis-specific autoantibody-positive JDM case referred with the diagnosis of psoriatic arthritis in whom cardiomyopathy and arrhythmia were detected in follow-up is presented. Since cardiac involvement is associated with mortality, it would be useful to follow up anti-MDA5 positive patients for cardiac involvement in addition to lung involvement. Tofacitinib is a promising treatment option in treatment-resistant JDM.
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Affiliation(s)
- Melike Mehveş Kaplan
- Division of Pediatric Rheumatology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Elif Çelikel
- Division of Pediatric Rheumatology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Vildan Güngörer
- Division of Pediatric Rheumatology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Zahide Ekici Tekin
- Division of Pediatric Rheumatology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Hazım Alper Gürsu
- Division of Pediatric Cardiology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Sanem Eryılmaz Polat
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Güzin Cinel
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
| | - Banu Çelikel Acar
- Division of Pediatric Rheumatology, Department of Pediatrics, University of Health Sciences, Ankara City Hospital, Ankara, Turkey
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Connolly CM, Paik JJ. Clinical pearls and promising therapies in myositis. Expert Rev Clin Immunol 2023; 19:797-811. [PMID: 37158055 PMCID: PMC10330909 DOI: 10.1080/1744666x.2023.2212162] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/05/2023] [Indexed: 05/10/2023]
Abstract
INTRODUCTION Idiopathic inflammatory myopathies (IIMs) represent a diverse group of systemic autoimmune disorders with variable clinical manifestations and disease course. Currently, the challenges of IIMs are multifold, including difficulties in timely diagnosis owing to clinical heterogeneity, limited insights into disease pathogenesis, as well as a restricted number of available therapies. However, advances utilizing myositis-specific autoantibodies have facilitated the definition of subgroups as well as the prediction of clinical phenotypes, disease course, and response to treatment. AREAS COVERED Herein we provide an overview of the clinical presentations of dermatomyositis, anti-synthetase syndrome, immune-mediated necrotizing myopathy, and inclusion body myositis. We then provide an updated review of available and promising therapies for each of these disease groups. We synthesize current treatment recommendations in the context of case-based construct to facilitate application to patient care. Finally, we provide high-yield, clinical pearls relevant to each of the subgroups that can be incorporated into clinical reasoning. EXPERT OPINION There are many exciting developments on the horizon for IIM. As insights into pathogenesis evolve, the therapeutic armamentarium is expanding with many novel therapies in development, holding promise for more targeted treatment approaches.
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Affiliation(s)
- Caoilfhionn M. Connolly
- Division of Rheumatology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Julie J. Paik
- Division of Rheumatology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
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Zhang H, Liang R, Yuan X, Zheng Z, Lai W. Serum IgA levels for predicting the development of rapidly progressive interstitial lung disease in dermatomyositis. Respir Med 2023:107322. [PMID: 37302423 DOI: 10.1016/j.rmed.2023.107322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND Some patients with dermatomyositis (DM) can develop rapidly progressive interstitial lung disease (RPILD) that is resistant to treatment and life-threatening. Convenient and practical predictive factors for the development of RPILD are currently lacking. We aimed to identify independent risk factors for RPILD in patients with DM. METHODS A total of 71 patients with DM admitted to our hospital between July 2018 and July 2022 were retrospectively reviewed. Risk factors to predict RPILD were identified by univariate and multivariate regression analyses, and significant variates for RPILD were included to establish a risk model. RESULTS Multivariate regression analysis revealed that the risk of RPILD was significantly associated with serum IgA levels. The area under the risk model curve, established by IgA levels combined with other independent predictors including the anti-melanoma differentiation-associated gene 5 (MDA5) antibody, fever, and C-reactive protein, was 0.935 (P < 0.001). CONCLUSION A higher serum IgA level was identified as an independent risk factor for RPILD in patients with DM.
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Affiliation(s)
- Haoru Zhang
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Renge Liang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China
| | - Xin Yuan
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zemao Zheng
- Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China.
| | - Weinan Lai
- Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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Lian L, Tong JJ, Xu SQ. Clinical features and prognostic factors of anti-melanoma differentiation-associated gene 5 antibody-positive dermatomyositis with rapidly progressive interstitial lung disease in Chinese patients. Immun Inflamm Dis 2023; 11:e882. [PMID: 37382274 DOI: 10.1002/iid3.882] [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: 12/27/2022] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 06/30/2023] Open
Abstract
OBJECTIVE The objective of this study is to investigate clinical features and prognostic factors of antimelanoma differentiation-associated gene 5 (anti-MDA5)-positive dermatomyositis with rapidly progressive interstitial lung disease (RP-ILD) in Chinese patients. METHODS Clinical features and prognostic factors of patients with newly diagnosed or recurrent dermatomyositis patients were retrospectively analyzed. All patients were divided into the anti-MDA5-positive or negative dermatomyositis, and with or without RP-ILD groups. Clinical features and prognostic factors were statistically compared among different groups. RESULTS The serum ferritin (SF) levels (1500.0 [658.80, 1844.0]) and γ-glutamyl transpeptidase (γ-GT) (125.5 [61.0, 232.0] vs. 28 [16.0, 41.0], Z = 5.528; p < .001) were markedly higher, and phosphocreatine myoenzyme (CK) (73.0 [42.0, 201.0] vs. 1333.0 [79.0, 8000.0], Z = -2.739, p = .006), serum albumin level (32.51 ± 5.23 vs. 35.81 ± 5.88, t = -2.542, p = .013), and lymphocyte count (0.80 ± 0.36 vs. 1.45 ± 0.77, t = -4.717, p < .001) were lower than those in anti-MDA5-negative counterparts. Among patients with anti-MDA5 antibody (Ab) with RP-ILD, the SF level (1531.0 [1163.8, 2016.5] vs. 584.9 [564.8, 1042.5], Z = 2.664, p = .008), γ-GT (134.0 [81.0, 204.5] vs. 123.0 [76.0, 189.0], Z = 3.136, p = .002) and positive rate of anti-RO-52 Ab (90.9% vs. 50.0%, χ2 = 7.222, p = .013) were higher and lymphocyte count (0.79 ± 0.38 vs. 1.32 ± 0.74, t = -3.025, p = .029) was lower than those in their counterparts without RP-ILD. The SF level of anti-MDA5 nonsurvivors (1544 [1447.32, 2089.0] vs. 584.9 [515.7, 1500.0], Z = 2.096, p = .030), anti-RO-52 Ab-positive rate ([16/18, 88.9%] vs. [9/16, 56.2%], χ2 = 4.636, p = .031) were higher than those in survivors. Lymphocytopenia was a risk factor for RP-ILD and death of patients with anti-MDA5-positive dermatomyositis. The area under receiver operating characteristic curve was 0.888 (95% confidence interval: 0.756, 1.000; p < .001), the sensitivity was 85.7%, the specificity was 93.8%, and Youden's index was 0.795. CONCLUSIONS Anti-MDA5-positive dermatomyositis patients are prone to developing RP-ILD. Declined lymphocyte count is a critical risk factor for RP-ILD, probably acting as a simple and effective predictor for Chinese patients with anti-MDA5-positive dermatomyositis.
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Affiliation(s)
- Li Lian
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jing-Jing Tong
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Sheng-Qian Xu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Hallowell RW, Danoff SK. Diagnosis and Management of Myositis-Associated Lung Disease. Chest 2023; 163:1476-1491. [PMID: 36764512 DOI: 10.1016/j.chest.2023.01.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/04/2023] [Accepted: 01/23/2023] [Indexed: 02/11/2023] Open
Abstract
Although interstitial lung disease (ILD) is a leading cause of morbidity and mortality in patients with inflammatory myopathies, the current definition and diagnostic criteria of autoimmune myositis remain inadequate to capture the large proportion of patients with lung-dominant disease. As a result, these patients present unique diagnostic and treatment challenges for even the most experienced clinicians. This article highlights the emerging role of autoantibodies in the diagnosis, classification, and management of patients with ILD. We propose alternative nomenclature to facilitate research on this unique patient population. Additionally, evidence supporting the various therapies used in the treatment of myositis-associated ILD is reviewed. The classification and treatment of patients with myositis-associated ILD remains challenging. A standardized therapeutic approach to these patients is lacking, and prospective studies in the field are needed to determine optimal treatment regimens.
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Affiliation(s)
- Robert W Hallowell
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA
| | - Sonye K Danoff
- Division of Pulmonary Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD.
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37
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Papadopoulou C, Chew C, Wilkinson MGL, McCann L, Wedderburn LR. Juvenile idiopathic inflammatory myositis: an update on pathophysiology and clinical care. Nat Rev Rheumatol 2023; 19:343-362. [PMID: 37188756 PMCID: PMC10184643 DOI: 10.1038/s41584-023-00967-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2023] [Indexed: 05/17/2023]
Abstract
The childhood-onset or juvenile idiopathic inflammatory myopathies (JIIMs) are a heterogenous group of rare and serious autoimmune diseases of children and young people that predominantly affect the muscles and skin but can also involve other organs, including the lungs, gut, joints, heart and central nervous system. Different myositis-specific autoantibodies have been identified that are associated with different muscle biopsy features, as well as with different clinical characteristics, prognoses and treatment responses. Thus, myositis-specific autoantibodies can be used to subset JIIMs into sub-phenotypes; some of these sub-phenotypes parallel disease seen in adults, whereas others are distinct from adult-onset idiopathic inflammatory myopathies. Although treatments and management have much improved over the past decade, evidence is still lacking for many of the current treatments and few validated prognostic biomarkers are available with which to predict response to treatment, comorbidities (such as calcinosis) or outcome. Emerging data on the pathogenesis of the JIIMs are leading to proposals for new trials and tools for monitoring disease.
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Affiliation(s)
- Charalampia Papadopoulou
- Department of Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust (GOSH), London, UK
- Rare Diseases Theme NIHR Biomedical Research Centre at GOSH, London, UK
| | - Christine Chew
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Meredyth G Ll Wilkinson
- Rare Diseases Theme NIHR Biomedical Research Centre at GOSH, London, UK
- Centre for Adolescent Rheumatology Versus Arthritis at UCL UCLH and GOSH, London, UK
- Infection Immunity and Inflammation Research and Teaching Department, UCL GOS Institute of Child Health, London, UK
| | - Liza McCann
- Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust, Liverpool, UK
| | - Lucy R Wedderburn
- Department of Paediatric Rheumatology, Great Ormond Street Hospital for Children NHS Foundation Trust (GOSH), London, UK.
- Rare Diseases Theme NIHR Biomedical Research Centre at GOSH, London, UK.
- Centre for Adolescent Rheumatology Versus Arthritis at UCL UCLH and GOSH, London, UK.
- Infection Immunity and Inflammation Research and Teaching Department, UCL GOS Institute of Child Health, London, UK.
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Resende ABL, Monteiro GP, Ramos CC, Lopes GS, Broekman LA, De Souza JM. Integrating the autoimmune connective tissue diseases for the medical student: A classification proposal based on pathogenesis and clinical phenotype. Heliyon 2023; 9:e16935. [PMID: 37484370 PMCID: PMC10361038 DOI: 10.1016/j.heliyon.2023.e16935] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/06/2023] [Accepted: 06/01/2023] [Indexed: 07/25/2023] Open
Abstract
It is hard for medical students to recognize and understand the clinical presentation of systemic connective tissue diseases (SCTDs). In this study, we aimed to review the immune mechanisms of the main SCTDs and to propose a classification system focused on the student and based on each immune dysfunction's clinical phenotype. The search involved the MEDLINE database and included the terms "systemic lupus erythematosus," "antiphospholipid syndrome," "inflammatory myopathies," "rheumatoid arthritis," "Sjögren's syndrome" or "systemic sclerosis" and "pathogenesis," and "immunology" or "mechanism of disease." Systemic lupus erythematosus (SLE) is a prototypic immune-complex disease with a tendency toward vascular injury. Antiphospholipid syndrome (APS) is a diffuse immune-mediated thrombotic vasculopathy. In inflammatory myopathies (IMs), muscle inflammation leading to muscle weakness is the cardinal manifestation. Rheumatoid arthritis (RA) is a unique form of erosive and destructive polyarthritis. Sjögren's syndrome (SS) causes sicca symptoms due to infiltration of the exocrine glands. Disseminated fibrosis in systemic sclerosis (SSc) is caused by vascular injury with excessive fibroblast activation. After the review, we created a focus group involving all the authors to group the diseases according to their pathogenesis and clinical phenotype. Our group agreed that SCTDs can be divided in 3 groups based on the preferential clinical presentation and immune dysfunction: 1) vasculopathic features (SLE and APS), 2) tissue inflammation (IMs, RA, and SS), and 3) tissue fibrosis (SSc). In synthesis, we suggest that clustering SCTDs in groups based on clinical phenotype and presumptive immune dysfunction instead of ordering autoantibodies randomly can help students understand the diseases.
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Lian X, Ye Y, Zou J, Wu C, Ye S, Guo Q, Chen S, Lu L, Wang R, Fu Q, Bao C. Longitudinal study of patients with antimelanoma differentiation-associated gene 5 antibody-positive dermatomyositis-associated interstitial lung disease. Rheumatology (Oxford) 2023; 62:1910-1919. [PMID: 36130290 DOI: 10.1093/rheumatology/keac525] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/10/2022] [Accepted: 08/31/2022] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES To describe the 8-year longitudinal study and long-term prognosis of a large inception cohort of anti-melanoma differentiation-associated gene 5 (MDA5) antibody-positive (MDA5+) DM-interstitial lung disease (ILD) patients. METHODS In total, 216 patients diagnosed with MDA5+ DM-ILD were enrolled and followed up to analyse long-term survival rate. Demographic and clinical variables were collected at baseline and each temporal end point. Seventy patients who survived the first year were analysed for the long-term serological and respiratory outcomes. RESULTS A total of 85 patients (39.3%) died during the follow-up period up to 96 months, with 89% of the deaths occurring in the first year after diagnosis. Long-term outcome was reported in 70 patients. Serological markers including anti-MDA5 antibody showed significant improvement with time. Radiographic findings and pulmonary function also improved notably in the follow-up period, especially in rapidly progressive ILD group, as measured by high-resolution computed tomography imaging scores, the estimated forced vital capacity, estimated diffusing capacity of lung carbon monoxide and dyspnoea scores. Early application of anti-fibrosis therapy helped to improve long-term pulmonary function. CONCLUSIONS MDA5+ DM-ILD patients had a high mortality rate despite aggressive treatment. Patients who survived the first year usually showed a significant improvement in serological markers and pulmonary function during the long-term follow-up.
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Affiliation(s)
- Xinyue Lian
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yan Ye
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jing Zou
- Department of Pneumology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Chunmei Wu
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Shuang Ye
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Qiang Guo
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Sheng Chen
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Liangjing Lu
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Ran Wang
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Qiong Fu
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Chunde Bao
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
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40
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Pugashetti JV, Khanna D, Kazerooni EA, Oldham J. Clinically Relevant Biomarkers in Connective Tissue Disease-Associated Interstitial Lung Disease. Immunol Allergy Clin North Am 2023; 43:411-433. [PMID: 37055096 PMCID: PMC10584384 DOI: 10.1016/j.iac.2023.01.012] [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] [Indexed: 03/06/2023]
Abstract
Interstitial lung disease (ILD) complicates connective tissue disease (CTD) with variable incidence and is a leading cause of death in these patients. To improve CTD-ILD outcomes, early recognition and management of ILD is critical. Blood-based and radiologic biomarkers that assist in the diagnosis CTD-ILD have long been studied. Recent studies, including -omic investigations, have also begun to identify biomarkers that may help prognosticate such patients. This review provides an overview of clinically relevant biomarkers in patients with CTD-ILD, highlighting recent advances to assist in the diagnosis and prognostication of CTD-ILD.
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Affiliation(s)
- Janelle Vu Pugashetti
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan.
| | - Dinesh Khanna
- Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, University of Michigan
| | - Ella A Kazerooni
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan; Division of Cardiothoracic Radiology, Department of Radiology, University of Michigan
| | - Justin Oldham
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan; Department of Epidemiology, University of Michigan
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41
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Thong L, Chawke LJ, Murphy G, Henry MT. "Management of myositis associated interstitial lung disease". Rheumatol Int 2023; 43:1209-1220. [PMID: 37126103 DOI: 10.1007/s00296-023-05336-z] [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: 03/12/2023] [Accepted: 04/22/2023] [Indexed: 05/02/2023]
Abstract
Idiopathic inflammatory myopathies (IIM) are rare disorders characterised by the presence of skeletal muscle inflammation, with interstitial lung disease (ILD) being the most frequent pulmonary manifestation. The spectrum of clinical presentations of myositis related ILD (M-ILD) encompasses a chronic process to a rapidly progressive ILD (RP-ILD); which is associated with a high mortality rate. The most effective treatments remain controversial and poses a unique challenge to both rheumatologists and respiratory physicians to manage. Given the rare heterogenous nature of M-ILD, there is a paucity of data to guide treatment. The cornerstone of existing treatments encompasses combinations of immunosuppressive therapies, as well as non-pharmacological therapies. In this review, we aim to summarize the current pharmacological therapies (including its dosing regimens and side effects profiles) and non-pharmacological therapies. Based on the existing literature to date, we propose a treatment algorithm for both chronic M-ILD and RP-ILD.
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Affiliation(s)
- Lorraine Thong
- Department of Clinical Medicine, Trinity Translational Medical Institute, Trinity College Dublin, St. James Hospital, Dublin, Ireland.
| | - Liam J Chawke
- Department of Clinical Medicine, University Hospital Kerry, Kerry, Ireland
| | - Grainne Murphy
- Department of Rheumatology, Cork University Hospital, Cork, Ireland
| | - Michael T Henry
- Department of Respiratory Medicine, Cork University Hospital, Cork, Ireland
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42
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Futamura M, Ozaki Y, Makino H, Tsujimoto S, Shigesaka M, Tanaka A, Shimamoto K, Son Y, Ito T, Nomura S. Anti-MDA-5 Antibody-positive Dermatomyositis after Allogeneic Bone Marrow Transplantation for Acute Transformation of Chronic Myelogenous Leukemia. Intern Med 2023; 62:1081-1087. [PMID: 36070956 PMCID: PMC10125815 DOI: 10.2169/internalmedicine.9529-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Anti-melanoma differentiation-associated gene 5 (MDA-5) antibody-positive dermatomyositis is a disease with a poor prognosis associated with rapid progressive interstitial pneumonia. Autoimmune diseases have occasionally been reported to occur after hematopoietic stem cell transplantation (HSCT). We experienced a case of anti-MDA-5 antibody-positive dermatomyositis after HSCT. In this case, a sufficient dose of cyclophosphamide could not be administered due to an impaired bone marrow function. We discuss the complications of autoimmune diseases after HSCT.
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Affiliation(s)
- Mariko Futamura
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Yoshio Ozaki
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Hidehiko Makino
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- Department of Rheumatology, Osaka Medical and Pharmaceutical University Hospital, Japan
| | - Saki Tsujimoto
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Minoru Shigesaka
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Akihiro Tanaka
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Keiko Shimamoto
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Yonsu Son
- Department of Rheumatology and Clinical Immunology, Kansai Medical University Hospital, Japan
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Tomoki Ito
- First Department of Internal Medicine, Kansai Medical University, Japan
| | - Shosaku Nomura
- First Department of Internal Medicine, Kansai Medical University, Japan
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Suzon B, Goulabchand R, Louis-Sidney F, Maria A, Najjari R, Chauvet E, Le Quellec A, Bessis D, Guilpain P. Subcutaneous tissue involvement in idiopathic inflammatory myopathies: Systematic literature review including three new cases and hypothetical mechanisms. Autoimmun Rev 2023; 22:103284. [PMID: 36736986 DOI: 10.1016/j.autrev.2023.103284] [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: 01/03/2023] [Accepted: 01/29/2023] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Involvement of subcutaneous tissue in idiopathic inflammatory myopathies (IIM) is poorly known. METHODS We conducted a systematic review of the literature regarding panniculitis and lipodystrophy/lipoatrophy in juvenile and adult IIM via PubMed/Medline, Embase and Scopus databases. Three local observations are included in this review. Epidemiological, clinical, paraclinical and therapeutic data were collected. RESULTS Panniculitis appears to be more common in adults than in juveniles. It was mainly localised in the upper and lower limbs. Panniculitis improved in most cases with steroids and panniculitis and myositis had a similar course in 83.3% and 72.2% of cases in juveniles and adults, respectively. Lipodystrophy appeared to be more frequent in juveniles and was only observed in dermatomyositis in both juveniles and adults. Lipodystrophy was mainly partial in juveniles and adults. The median time from myositis to the diagnosis of lipodystrophy was 6 years [0-35] and 2.5 years [0-10] in juveniles and adults, respectively. Lipodystrophy was associated with anti-TIF1 gamma auto-antibody positivity, a polycyclic/chronic course of myositis and the occurrence of calcinosis and might be an indicator of poor disease control. CONCLUSION Adipose tissue involvement, particularly lipodystrophy, occurs almost exclusively in dermatomyositis. The insidious onset and lack of awareness of the diagnosis may underestimate its prevalence. Larger studies are needed to identify possible risk factors in these patients, to better potential underlying pathophysiological process, in order to discuss potential therapeutic targets.
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Affiliation(s)
- Benoit Suzon
- Department of Internal Medicine, Martinique University Hospital, Fort-de-France, Martinique, France; EpiCliV Research Unit, University of French West Indies, Fort-de-France, Martinique, France
| | - Radjiv Goulabchand
- Department of Internal Medicine, Nîmes University Hospital, France; Institute for Regenerative Medicine and Biotherapy, INSERM U1183, Montpellier, France
| | - Fabienne Louis-Sidney
- EpiCliV Research Unit, University of French West Indies, Fort-de-France, Martinique, France; Department of Rheumatology, Martinique University Hospital, France
| | - Alexandre Maria
- Institute for Regenerative Medicine and Biotherapy, INSERM U1183, Montpellier, France; Department of Internal Medicine and Immuno-Oncologie (MedI(2)O), Montpellier University Hospital, France; Montpellier-1 University, Faculty of Medicine, France
| | - Redwann Najjari
- Department of Internal Medicine and Multi-Organic Diseases, Montpelier University Hospital, France
| | - Elodie Chauvet
- Department of Internal Medicine and Multi-Organic Diseases, Montpelier University Hospital, France
| | - Alain Le Quellec
- Department of Internal Medicine and Multi-Organic Diseases, Montpelier University Hospital, France
| | - Didier Bessis
- Department of Dermatology, Montpellier University Hospital, France
| | - Philippe Guilpain
- Institute for Regenerative Medicine and Biotherapy, INSERM U1183, Montpellier, France; Montpellier-1 University, Faculty of Medicine, France; Department of Internal Medicine and Multi-Organic Diseases, Montpelier University Hospital, France.
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Tiniakou E, Mecoli CA, Kelly W, Albayda J, Paik JJ, Adler BL, Lin CT, Mammen AL, Danoff SK, Casciola-Rosen L, Christopher-Stine L. Anti-MDA5-positive dermatomyositis and remission in a single referral centre population. Clin Exp Rheumatol 2023; 41:309-315. [PMID: 36826791 PMCID: PMC10367060 DOI: 10.55563/clinexprheumatol/g4l70r] [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: 10/17/2022] [Accepted: 01/23/2023] [Indexed: 02/25/2023]
Abstract
OBJECTIVES To describe a single-centre North American adult cohort of anti-MDA5-positive dermatomyositis patients, with emphasis on drug-free long-term remission. METHODS We conducted an observational retrospective cohort study of anti-MDA5-positive DM patients. All consented patients seen in the Johns Hopkins Myositis Centre from 2003-2020 with suspected muscle disease were routinely screened for myositis-specific autoantibodies. All sera were screened for anti-MDA5 autoantibodies by line blot; positives were verified by enzyme-linked immunoassay. Patients whose sera were anti-MDA5 positive by both assays (n=52) were followed longitudinally. If clinical status was unavailable, structured telephone interviews were conducted. Clinical remission was defined as being off all immunosuppression >1 year while remaining asymptomatic. RESULTS 38/52 (73%) of the patients were women with a median age at disease-onset of 47 (IQR 40-54). Twenty-five of the patients (48%) were White, 16 (30%) were Black and 3 (6%) were Asian. Most patients (42/52, 80%) had interstitial lung disease, defined by inflammatory or fibrotic changes on high resolution computed tomography (HRCT). 18/52 (35%) of patients required pulse-dose methylprednisolone, 4/52 (8%) experienced spontaneous pneumothorax/pneumomediastinum, 6/52 (12%) required intubation, and 5/52 (10%) died. Over longitudinal follow-up (median 3.5 years), 9 (18%) patients achieved clinical remission. The median time from symptom onset to clinical remission was 4 years, and the median duration of sustained remission was 3.5 years (range 1.4-7.8). No demographic or disease characteristics were significantly associated with remission. CONCLUSIONS In this single centre, tertiary referral population of anti-MDA5-positive dermatomyositis, ~20% of patients experienced long-term drug-free remission after a median disease duration of 4 years. No clinical or biologic factors were associated with clinical remission.
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Affiliation(s)
- Eleni Tiniakou
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | | | - William Kelly
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Jemima Albayda
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Julie J Paik
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Brit L Adler
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Cheng Ting Lin
- Department of Radiology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Andrew L Mammen
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda; and Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Sonye K Danoff
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | | | - Lisa Christopher-Stine
- Division of Rheumatology, Johns Hopkins School of Medicine, Baltimore, and Department of Neurology, Johns Hopkins School of Medicine, Baltimore, MD, USA.
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Pinal-Fernandez I, Casal-Dominguez M, Milisenda JC, Mammen AL. Response to: 'Correspondence on 'Machine learning algorithms reveal unique gene expression profiles in muscle biopsies from patients with different types of myositis'' by Takanashi et al. Ann Rheum Dis 2023; 82:e62. [PMID: 33441300 DOI: 10.1136/annrheumdis-2020-219767] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 11/04/2022]
Affiliation(s)
- Iago Pinal-Fernandez
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA .,Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Faculty of Health Sciences and Faculty of Computer Science, Multimedia and Telecommunications, Universitat Oberta de Catalunya, Barcelona, Barcelona, Spain
| | - Maria Casal-Dominguez
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA.,Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Andrew Lee Mammen
- Muscle Disease Unit, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA .,Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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46
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Smith LN, Orbai AM, Son JJ, Albayda JL, Zapata R, Wu TD, Lechtzin N, Gelber AC. Snap, Crackle, and Pop: From a Painful Finger to Progressive Dyspnea to Popping Neck Pain. Am J Med 2023; 136:143-146. [PMID: 36265567 DOI: 10.1016/j.amjmed.2022.09.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/15/2022] [Accepted: 09/16/2022] [Indexed: 02/01/2023]
Affiliation(s)
- Lauren N Smith
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Ana-Maria Orbai
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - James J Son
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Jemima L Albayda
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Roberto Zapata
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Tianshi David Wu
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Noah Lechtzin
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Allan C Gelber
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Md.
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47
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Xue Y, Zhang J, Li C, Liu X, Kuang W, Deng J, Wang J, Tan X, Li S, Li C. Machine learning for screening and predicting the risk of anti-MDA5 antibody in juvenile dermatomyositis children. Front Immunol 2023; 13:940802. [PMID: 36703989 PMCID: PMC9872019 DOI: 10.3389/fimmu.2022.940802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 11/14/2022] [Indexed: 01/11/2023] Open
Abstract
Objective The anti-MDA5 (anti-melanoma differentiation associated gene 5) antibody is often associated with a poor prognosis in juvenile dermatomyositis (JDM) patients. In many developing countries, there is limited ability to access myositis- specific antibodies due to financial and technological issues, especially in remote regions. This study was performed to develop a prediction model for screening anti-MDA5 antibodies in JDM patients with commonly available clinical findings. Methods A cross-sectional study was undertaken with 152 patients enrolled from the inpatient wards of Beijing Children's Hospital between June 2018 and September 2021. Stepwise logistic regression, least absolute shrinkage and selection operator (LASSO) regression, and the random forest (RF) method were used to fit the model. Model discrimination, calibration, and decision curve analysis were performed for validation. Results The final prediction model included eight clinical variables (gender, fever, alopecia, periungual telangiectasia, digital ulcer, interstitial lung disease, arthritis/arthralgia, and Gottron sign) and four auxiliary results (WBC, CK, CKMB, and ALB). An anti-MDA5 antibody risk probability-predictive nomogram was established with an AUC of 0.975 predicted by the random forest algorithm. The model was internally validated by Harrell's concordance index (0.904), the Brier score (0.052), and a 500 bootstrapped satisfactory calibration curve. According to the net benefit and predicted probability thresholds of decision curve analysis, the established model showed a significantly higher net benefit than the traditional logistic regression model. Conclusion We developed a prediction model using routine clinical assessments to screen for JDM patients likely to be anti-MDA5 positive. This new tool may effectively predict the detection of anti-MDA5 in these patients using a non-invasive and efficient way.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Caifeng Li
- Department of Rheumatology, Beijing Children's Hospital, Capital Medical Universtity, National Centre for Children's Health, Beijing, China
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Karampitsakos T, Tzilas V, Papaioannou O, Chrysikos S, Vasarmidi E, Juge PA, Vizirianaki S, Bibaki E, Reppa A, Sidiropoulos P, Katsaras M, Sotiropoulou V, Tsiri P, Koulousousa E, Theochari E, Tsirikos G, Christopoulos I, Malakounidou E, Zarkadi E, Sampsonas F, Hillas G, Karageorgas T, Daoussis D, Kalogeropoulou C, Dimakou K, Tzanakis N, Borie R, Dieudé P, Antoniou K, Crestani B, Bouros D, Tzouvelekis A. Clinical features and outcomes of patients with myositis associated-interstitial lung disease. Front Med (Lausanne) 2023; 9:1096203. [PMID: 36698813 PMCID: PMC9868310 DOI: 10.3389/fmed.2022.1096203] [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: 11/11/2022] [Accepted: 12/14/2022] [Indexed: 01/11/2023] Open
Abstract
Introduction Myositis associated interstitial lung disease (ILD) seems to be an under-recognized entity. Methods In this multicenter, retrospective study, we recorded between 9/12/2019 and 30/9/2021 consecutive patients who presented in five different ILD centers from two European countries (Greece, France) and received a multidisciplinary diagnosis of myositis associated-ILD. The primary outcome was all-cause mortality over 1 year in specific subgroups of patients. Secondary outcomes included comparison of disease characteristics between patients diagnosed with the amyopathic subtype and patients with evidence of myopathy at diagnosis. Results We identified 75 patients with myositis associated-ILD. Median age (95% CI) at the time of diagnosis was 64.0 (61.0-65.0) years. Antinuclear antibody testing was positive in 40% of the cohort (n = 30/75). Myopathy onset occurred first in 40.0% of cases (n = 30), ILD without evidence of myopathy occurred in 29 patients (38.7%), while 16 patients (21.3%) were diagnosed concomitantly with ILD and myopathy. The commonest radiographic pattern was cellular non-specific interstitial pneumonia (NSIP) and was observed in 29 patients (38.7%). The radiographic pattern of organizing pneumonia was significantly more common in patients diagnosed with the amyopathic subtype compared to patients that presented with myopathy [24.1% (n = 7/29) vs. 6.5% (n = 3/46), p = 0.03]. One year survival was 86.7% in the overall population. Kaplan-Meier analysis demonstrated significantly higher all-cause 1-year mortality in patients with the amyopathic subtype compared to patients with evidence of myopathy [H R 4.24 (95% CI: 1.16-15.54), p = 0.03]. Patients diagnosed following hospitalization due to acute respiratory failure experienced increased risk of 1-year all-cause mortality compared to patients diagnosed in outpatient setting [HR 6.70 (95% CI: 1.19-37.81), p = 0.03]. Finally, patients with positive anti-MDA5 presented with higher 1-year all-cause mortality compared to anti-MDA5 negative patients [HR 28.37 (95% CI: 5.13-157.01), p = 0.0001]. Conclusion Specific ILD radiographic patterns such as NSIP and organizing pneumonia may herald underlying inflammatory myopathies. Hospitalized patients presenting with bilateral organizing pneumonia refractory to antibiotics should be meticulously evaluated for myositis associated-ILD even if there is no overt muscular involvement. Incorporation of ILD radiological patterns in the diagnostic criteria of inflammatory myopathies may lead to timely therapeutic interventions and positively impact patients' survival.
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Affiliation(s)
| | - Vasilios Tzilas
- 5th Department of Pneumonology, General Hospital for Thoracic Diseases Sotiria, Athens, Greece
| | - Ourania Papaioannou
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Serafeim Chrysikos
- 5th Department of Pneumonology, General Hospital for Thoracic Diseases Sotiria, Athens, Greece
| | - Eirini Vasarmidi
- Laboratory of Molecular and Cellular Pneumonology, Department of Thoracic Medicine, Medical School, University of Crete, Heraklion, Greece,Université de Paris, INSERM UMR 1152, F-75018, Paris, France,Assistance Publique – Hôpitaux de Paris (APHP), Service de Pneumologie A, Centre de Référence Constitutif des Maladies Pulmonaires Rares, Fédération Hospitalo-Universitaire (FHU) APOLLO, Hôpital Bichat, Paris, France
| | - Pierre-Antoine Juge
- Université de Paris, INSERM UMR 1152, F-75018, Paris, France,Assistance Publique – Hôpitaux de Paris (APHP), Service de Rheumatologie, Hôpital Bichat-Claude Bernard, F-75018, Paris, France
| | - Styliani Vizirianaki
- Laboratory of Molecular and Cellular Pneumonology, Department of Thoracic Medicine, Medical School, University of Crete, Heraklion, Greece
| | - Eleni Bibaki
- Laboratory of Molecular and Cellular Pneumonology, Department of Thoracic Medicine, Medical School, University of Crete, Heraklion, Greece
| | - Argyro Reppa
- Department of Rheumatology, Medical School, University of Crete, Heraklion, Greece
| | | | - Matthaios Katsaras
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | | | - Panagiota Tsiri
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Electra Koulousousa
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Eva Theochari
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Georgios Tsirikos
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | | | - Elli Malakounidou
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Eirini Zarkadi
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Fotios Sampsonas
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece
| | - Georgios Hillas
- 5th Department of Pneumonology, General Hospital for Thoracic Diseases Sotiria, Athens, Greece
| | - Theofanis Karageorgas
- Department of Rheumatology, Attikon University Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Daoussis
- Department of Rheumatology, University Hospital of Patras, University of Patras Medical School, Patras, Greece
| | | | - Katerina Dimakou
- 5th Department of Pneumonology, General Hospital for Thoracic Diseases Sotiria, Athens, Greece
| | - Nikolaos Tzanakis
- Laboratory of Molecular and Cellular Pneumonology, Department of Thoracic Medicine, Medical School, University of Crete, Heraklion, Greece
| | - Raphael Borie
- Université de Paris, INSERM UMR 1152, F-75018, Paris, France,Assistance Publique – Hôpitaux de Paris (APHP), Service de Pneumologie A, Centre de Référence Constitutif des Maladies Pulmonaires Rares, Fédération Hospitalo-Universitaire (FHU) APOLLO, Hôpital Bichat, Paris, France
| | - Philippe Dieudé
- Université de Paris, INSERM UMR 1152, F-75018, Paris, France,Assistance Publique – Hôpitaux de Paris (APHP), Service de Rheumatologie, Hôpital Bichat-Claude Bernard, F-75018, Paris, France
| | - Katerina Antoniou
- Laboratory of Molecular and Cellular Pneumonology, Department of Thoracic Medicine, Medical School, University of Crete, Heraklion, Greece
| | - Bruno Crestani
- Université de Paris, INSERM UMR 1152, F-75018, Paris, France,Assistance Publique – Hôpitaux de Paris (APHP), Service de Pneumologie A, Centre de Référence Constitutif des Maladies Pulmonaires Rares, Fédération Hospitalo-Universitaire (FHU) APOLLO, Hôpital Bichat, Paris, France
| | - Demosthenes Bouros
- First Academic Department of Pneumonology, Hospital for Thoracic Diseases, “SOTIRIA”, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Argyris Tzouvelekis
- Department of Respiratory Medicine, University Hospital of Patras, Patras, Greece,*Correspondence: Argyris Tzouvelekis, ,
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Meng S, Wang T, Zhao Q, Hu Q, Chen Y, Li H, Liu C, Liu D, Hong X. Proteomics Analysis of Plasma-Derived Exosomes Unveils the Aberrant Complement and Coagulation Cascades in Dermatomyositis/Polymyositis. J Proteome Res 2023; 22:123-137. [PMID: 36507906 PMCID: PMC9830643 DOI: 10.1021/acs.jproteome.2c00532] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Dermatomyositis and polymyositis (DM/PM) are systemic autoimmune diseases characterized by proximal muscle weakness. The underlying pathogenetic mechanism of this disease remains under-researched. Here, using proteomics analysis, a great overlap of differentially expressed plasma exosomal proteins involved in the complement and coagulation cascade pathway, including FGA, FGB, FGG, C1QB, C1QC, and VWF, was identified in DM/PM patients versus healthy controls. Correlation analysis showed that the expression levels of complement-associated proteins (C1QB and C1QC) correlated positively with CRP, ESR, and platelet count. ROC curve analysis demonstrated that complement and coagulation cascade-associated proteins could be strong predictors for DM/PM. In addition, we also identified several other proteins that were differentially expressed in DM and PM. The selected candidate proteins were further validated by parallel reaction monitoring (PRM) and enzyme-linked immunosorbent assay (ELISA). Together, our findings indicate that these exosome-derived proteins might participate in microvascular damage in DM/PM through the activation of the complement and coagulation cascade pathway and function as biomarkers for the clinical diagnosis of DM/PM.
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Affiliation(s)
- Shuhui Meng
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China
| | - Tingting Wang
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China,Integrated
Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Qianqian Zhao
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China,Integrated
Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Qiu Hu
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China
| | - Yulan Chen
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China
| | - Heng Li
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China,Integrated
Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Cuilian Liu
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China
| | - Dongzhou Liu
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China,
| | - Xiaoping Hong
- Department
of Rheumatology and Immunology, The Second Clinical Medical College
of Jinan University, The First Affiliated Hospital of Southern University
of Science and Technology, Shenzhen People’s
Hospital, Shenzhen 518020, Guangdong, China,
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50
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Differences in the Clinical Characteristics and 1-Year Mortality Rates of Patients with Dermatomyositis with anti-Jo-1 and anti-MDA5 Antibodies. J Immunol Res 2023; 2023:2988422. [PMID: 36644539 PMCID: PMC9833901 DOI: 10.1155/2023/2988422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/06/2022] [Accepted: 12/12/2022] [Indexed: 01/06/2023] Open
Abstract
Objective Patients with anti-Jo-1 antibodies (Abs) and anti-melanoma differentiation-associated protein 5 (MDA5) Abs are at a higher risk of interstitial lung disease (ILD) and have a mortality rate higher than that of patients with anti-Jo-1 Abs. This study investigated differences in the clinical characteristics and prognosis of patients with anti-Jo-1 Abs and anti-MDA5 Abs with dermatomyositis (DM). Methods We retrospectively reviewed the medical records of 38 patients with DM from January 2000 to December 2021. The patients were divided into anti-Jo-1 Abs and anti-MDA5 Abs groups. The basic demographic data, clinical manifestations, and 1-year mortality rates of the groups were compared. Results Among the 38 patients, 30 were anti-Jo-1-Abs positive and 8 patients were anti-MDA5 Aba positive. The patients with anti-MDA5 Abs presented with more apparent cutaneous symptoms and aggressive pulmonary manifestations than did those with anti-Jo-1 Abs. The mortality rate in the anti-MDA5 Abs group (1.95/person-year (PY)) was much higher than that in anti-Jo-1 Abs group (0.094/PY), and most of the mortalities occurred within the first 1-3 months of follow-up. Conclusion Distinct cutaneous and pulmonary manifestations were observed in the anti-Jo-1 Abs and anti-MDA5 Abs groups. The mortality rate in the anti-MDA5 Abs group was significantly higher than that in the anti-Jo-1 Abs group. Early recognition is crucial to ensuring higher chances of survival for patients with anti-MDA5 Abs.
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