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Yu K, Wang T, An D, Li X, Tang Z. Investigating the disparities among drug categories in drug-induced dermatomyositis: A systematic review. Semin Arthritis Rheum 2024; 67:152478. [PMID: 38833729 DOI: 10.1016/j.semarthrit.2024.152478] [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: 12/13/2023] [Revised: 05/03/2024] [Accepted: 05/16/2024] [Indexed: 06/06/2024]
Abstract
Drug-induced dermatomyositis (DIDM) is a rare and underestimated variant of dermatomyositis (DM) characterized by muscle damage and skin rash and related to certain drug exposure. The spectrum of drugs causing DIDM has evolved over time, originally implicating hydroxyurea, penicillamine, and statins as causative agents. Tumor necrosis factor α inhibitors and immune checkpoint inhibitors have also been associated with such conditions. To bridge the gap between current literature and clinical practice, and therefore guide clinicians, we conducted a comprehensive review of English literature from Pubmed, EMBASE, and MEDLINE. Our analysis included demographic data, clinical features, laboratory findings, therapeutic outcomes, and extant research pertaining to the probable pathogenesis of DIDM induced by various drugs. Furthermore, we categorized the drugs involved in DIDM cases into biologics and traditional agents for subsequent statistical analysis. Over time, there has been a gradual accumulation of reported DIDM cases. A total of 69 published DIDM cases were documented in our study, among which 33 should be attributed to biologics and the remaining 36 to traditional drugs. Interestingly, 41 of all DIDM cases had a previous history of malignancies. Additionally, DIDM cases exhibited similar cutaneous and muscular manifestations to classic DM, with the exception of cases induced by hydroxyurea, which did not entail muscle damage. Positive antinuclear antibodies and anti-TIF1-γ autoantibodies have been predominantly observed in biologics-induced cases, while positive anti-TIF1-γ antibodies were merely reported in the cases that were primarily diagnosed with malignant diseases and exposed to ICIs afterwards. Anti-TIF1-γ antibodies may potentially serve as a red flag in the identification of co-existing malignant diseases in DM patients. We also provided a comprehensive summary and exploration of potential mechanisms lying behind drug-induced dermatomyositis. In conclusion, our review consolidates the current literature on DIDM, highlighting the evolving spectrum of medications and elucidating the differences in clinical manifestations, laboratory findings, and underlying mechanisms.
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Affiliation(s)
- Kunze Yu
- Zhejiang University School of Medicine Second Affiliated Hospital, Department of Dermatology, Hangzhou, Zhejiang, PR China
| | - Tianxiang Wang
- Zhejiang University School of Medicine Second Affiliated Hospital, Department of Dermatology, Hangzhou, Zhejiang, PR China
| | - Dadao An
- Zhejiang University School of Medicine, Department of Basic Medicine, Hangzhou, Zhejiang, PR China
| | - Xiawei Li
- Zhejiang University School of Medicine Second Affiliated Hospital, Department of Gastrointestinal Surgery, Hangzhou, Zhejiang, PR China
| | - Zhuangli Tang
- Zhejiang University School of Medicine Second Affiliated Hospital, Department of Dermatology, Hangzhou, Zhejiang, PR China.
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2
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Wu D, Cui Y, Cao Y, Wang Y, Zhang J, Guo Y, Yuan B. Clinical implications and mechanism of complement C1q in polymyositis. Appl Biochem Biotechnol 2024; 196:3088-3101. [PMID: 37624510 DOI: 10.1007/s12010-023-04692-7] [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] [Accepted: 08/16/2023] [Indexed: 08/26/2023]
Abstract
Polymyositis (PM) is the most common autoimmune disease in neurology and among muscle disorders; it is of great significance to thoroughly understand the mechanism of PM to find new diagnosis and treatment methods. This research intends to elucidate the clinical implications and mechanisms of complement C1q in polymyositis (PM). One hundred fifteen PM patients (research group, RG) and 120 healthy subjects (control group, CG) who visited our hospital between March 2017 and March 2020 were selected. Peripheral blood C1q and creatine kinase (CK) levels of both groups were measured, and their correlations with clinical symptoms and prognostic recurrence of PM. Additionally, to further understand the mechanism of action of C1q in PM, we purchased BALB/c mice and grouped them as follows: control group with normal feeding, PM group with PM modeling, intervention group with PM modeling, and intraperitoneal injection of gC1qR monoclonal antibody 60.11, a C1q protein receptor. Inflammatory factors and muscle histopathology were detected in all groups of mice. Finally, rat macrophages (mø) were isolated, and changes in the biological behavior of mø were observed after silencing the expression of gC1qR. Serum C1q and CK were both higher in RG than in CG, with favorable diagnostic effects on PM (P < 0.05). C1q and CK increased in symptomatic anti-ribonuclear protein antibody (RNP)-positive patients but decreased in anti Jo-1 antibody (Jo-1)- and anti-neutrophil cytoplasmic antibody (ANCA)-positive patients (P < 0.05). PM mice were observed with elevated gC1qR, while model mice exhibited severe infiltration of inflammatory cells in muscle tissue, increased pro-IFs, and reduced anti-IFs, and the animals in the intervention group showed improved conditions (P < 0.05). Finally, it was found that CD68, CD86 protein, and invasion capacity of gC1qR-sh-transfected cells decreased, while CD206 and CD163 increased (P < 0.05). C1q is elevated in PM and is strongly linked to the pathological process of PM. Inhibition of gC1qR expression reduced inflammatory infiltration in PM mice.
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Affiliation(s)
- Di Wu
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China
| | - Yan Cui
- Department of Anesthesiology, Chest Branch of Nanjing Brain Hospital, Nanjing, 210000, Jiangsu, China
| | - Yujia Cao
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China
| | - Yanjuan Wang
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China
| | - Jinhua Zhang
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China
| | - Yijing Guo
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China
| | - Baoyu Yuan
- Department of Neurology, Affiliated Zhongda Hospital, Neuropsychiatric Institute, School of Medicine, Southeast University, No. 87, Dingjiaqiao, Gulou District, Nanjing, 210003, Jiangsu, China.
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Budzynska K, Siemionow M, Stawarz K, Chambily L, Siemionow K. Chimeric Cell Therapies as a Novel Approach for Duchenne Muscular Dystrophy (DMD) and Muscle Regeneration. Biomolecules 2024; 14:575. [PMID: 38785982 PMCID: PMC11117592 DOI: 10.3390/biom14050575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/06/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
Chimerism-based strategies represent a pioneering concept which has led to groundbreaking advancements in regenerative medicine and transplantation. This new approach offers therapeutic potential for the treatment of various diseases, including inherited disorders. The ongoing studies on chimeric cells prompted the development of Dystrophin-Expressing Chimeric (DEC) cells which were introduced as a potential therapy for Duchenne Muscular Dystrophy (DMD). DMD is a genetic condition that leads to premature death in adolescent boys and remains incurable with current methods. DEC therapy, created via the fusion of human myoblasts derived from normal and DMD-affected donors, has proven to be safe and efficacious when tested in experimental models of DMD after systemic-intraosseous administration. These studies confirmed increased dystrophin expression, which correlated with functional and morphological improvements in DMD-affected muscles, including cardiac, respiratory, and skeletal muscles. Furthermore, the application of DEC therapy in a clinical study confirmed its long-term safety and efficacy in DMD patients. This review summarizes the development of chimeric cell technology tested in preclinical models and clinical studies, highlighting the potential of DEC therapy in muscle regeneration and repair, and introduces chimeric cell-based therapies as a promising, novel approach for muscle regeneration and the treatment of DMD and other neuromuscular disorders.
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Affiliation(s)
- Katarzyna Budzynska
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Maria Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
- Chair and Department of Traumatology, Orthopaedics, and Surgery of the Hand, Poznan University of Medical Sciences, 61-545 Poznan, Poland
| | - Katarzyna Stawarz
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Lucile Chambily
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
| | - Krzysztof Siemionow
- Department of Orthopaedics, University of Illinois at Chicago, Chicago, IL 60607, USA; (K.B.); (K.S.); (L.C.); (K.S.)
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Shani U, Lavine N, Houri-Levi E, Watad A, Amital H. Two cases of dermatomyositis associated with neuroendocrine tumors. Int Cancer Conf J 2024; 13:17-21. [PMID: 38187177 PMCID: PMC10764693 DOI: 10.1007/s13691-023-00629-3] [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: 06/13/2023] [Accepted: 08/07/2023] [Indexed: 01/09/2024] Open
Abstract
Dermatomyositis is an idiopathic inflammatory myopathy with cutaneous manifestations, which is associated with several types of malignancies, yet it has been rarely linked to neuroendocrine tumors (NETs). Here we report two cases of dermatomyositis associated with NETs of differing primary sites. Case 1: A 46-year-old female presented with a facial rash and proximal muscle weakness of both extremities. Investigations revealed elevated creatine kinase (CK) and positive anti-transcriptional intermediary factor 1-γ antibody (TIF1γ). The patient had been diagnosed with dermatomyositis and underwent a total body CT scan, which revealed prominent mediastinal lymphadenopathy, which a subsequent biopsy determined to be neuroendocrine carcinoma of small cell type. Treatment with high-dose corticosteroids was initiated, in addition to chemotherapy-based oncological management. Case 2: A 54-year-old female presented with a facial rash, progressive dyspnea, and general malaise. Laboratory investigations revealed positive anti-melanoma differentiation-associated gene-5 (MDA5) and positive anti-Ro antibody, with a normal level of creatine kinase (CK). A chest CT scan revealed multiple ground-glass opacities. Despite treatment with high-dose intravenous methylprednisolone, IVIG and an infusion of the anti-IL-6 sarilumab [Kevzara], the patient rapidly deteriorated and was intubated. Within days, the patient developed bowel ischemia and underwent a laparotomy which was then complicated by an invasive infection. This resulted in patient's death. Pathology results from colonic tissue demonstrated an appendiceal neuroendocrine tumor. These cases demonstrate the heterogeneity and complexity of dermatomyositis in association with neuroendocrine tumors.
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Affiliation(s)
- Uria Shani
- Department of Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Noy Lavine
- Department of Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Esther Houri-Levi
- Department of Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Abdalla Watad
- Department of Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
| | - Howard Amital
- Department of Internal Medicine B, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel
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Sasaki H, Umezawa N, Itakura T, Iwai H, Yasuda S. Pathogenicity of functionally activated PD-1 +CD8 + cells and counterattacks by muscular PD-L1 through IFNγ in myositis. J Autoimmun 2024; 142:103131. [PMID: 37931332 DOI: 10.1016/j.jaut.2023.103131] [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: 08/24/2023] [Revised: 09/30/2023] [Accepted: 10/12/2023] [Indexed: 11/08/2023]
Abstract
Programmed-cell-death 1 (PD-1) expression is associated not only with T-cell activation but with exhaustion. Specifically, PD-1+ T cells present an exhausted phenotype in conditions of chronic antigen exposure, such as tumor microenvironments and chronic viral infection. However, the immune status regarding exhaustion of PD-1+CD8+ T cells in chronic autoimmune diseases including idiopathic inflammatory myopathies (IIMs) remains unclear. We aimed to clarify the role of PD-1+CD8+ T cells and PD-1 ligand (PD-L1) in IIMs. We showed that PD-1+ cells infiltrated into PD-L1-expressing muscles in patients with IIMs and immune checkpoint inhibitor-related myopathy. According to the peripheral blood immunophenotyping, the PD-1+CD8+ cell proportions were comparable between the active and inactive patients. Of note, PD-1+CD8+ cells in the active patients highly expressed cytolytic molecules, indicating their activation, while PD-1-CD8+ cells expressed low levels of cytolytic molecules in the active and inactive patients. A part of PD-1+CD8+ cells expressed the HMG-box transcription factor TOX highly and presented the exhausted phenotype in the active patients. Among PD-1+CD4+ T cells, PD-1highCXCR5-CD45RO+CD4+ peripheral helper T cells were increased in the active patients. PD-L1-deficient mice developed severer C-protein-induced myositis (CIM), a model of polymyositis, with abundant infiltration of PD-1+CD8+ cells expressing cytolytic molecules than wild-type mice, indicating pathogenicity of the PD-1+CD8+ cells and the protective role of PD-L1. The deficiency of IFNγ, a general PD-L1-inducer, impaired muscular PD-L1 expression and exacerbated CIM, indicating IFNγ-dependent muscular PD-L1 regulation. IFNγ-induced PD-L1 on myotubes was protective in an established muscle injury model. In conclusion, PD-1+CD8+ T cells rather than PD-1-CD8+ T cells were a pathogenic subset of IIMs. Muscular PD-L1 was regulated by IFNγ and exerted protective properties in IIMs.
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Affiliation(s)
- Hirokazu Sasaki
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Natsuka Umezawa
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Takuji Itakura
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Hideyuki Iwai
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Shinsuke Yasuda
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
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Santiago S, Enwereji N, Jiang C, Durrani K, Chaudhry S, Lu J. Ocular and eyelid involvement in collagen vascular diseases. Part II. Dermatomyositis, scleroderma, and sarcoidosis. Clin Dermatol 2024; 42:9-16. [PMID: 37913844 DOI: 10.1016/j.clindermatol.2023.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Collagen vascular disease is a heterogeneous group of autoimmune diseases that affect multiple organ systems. Sjögren syndrome, dermatomyositis, scleroderma, systemic lupus erythematosus, and sarcoidosis are collagen vascular diseases that often present with characteristic cutaneous manifestations. Although less known, various ocular manifestations that affect both external and internal structures of the eye can also be seen in these conditions. Multidisciplinary management between dermatologists and ophthalmologists is essential in the early diagnosis and management of collagen vascular diseases affecting both the skin and eye. In part II of our series, we discuss the ocular manifestations, diagnosis, and therapeutic options of dermatomyositis, scleroderma, and sarcoidosis.
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Affiliation(s)
- Sueheidi Santiago
- Department of Dermatology, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Ndidi Enwereji
- Frank H. Netter MD School of Medicine at Quinnipiac University, North Haven, Connecticut, USA
| | - Christina Jiang
- University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Khayyam Durrani
- Division of Ophthalmology, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Sona Chaudhry
- Division of Ophthalmology, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Jun Lu
- Department of Dermatology, University of Connecticut Health Center, Farmington, Connecticut, USA.
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Masini F, Gjeloshi K, Pinotti E, Ferrara R, Romano C, Cuomo G. Polymyositis following varicella and mumps infection in adults: report of two cases. Reumatismo 2023; 75. [PMID: 38115780 DOI: 10.4081/reumatismo.2023.1562] [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: 02/04/2023] [Accepted: 08/21/2023] [Indexed: 12/21/2023] Open
Abstract
Idiopathic immune myopathies (IIMs) are autoimmune diseases caused by immune-mediated muscle damage. The etiology remains unclear. Epidemiological and experimental studies, both in animals and humans, hint at viruses as major environmental factors able to trigger aberrant immune responses through many different mechanisms. However, only a few cases of either dermatomyositis or polymyositis following a specific viral infection have been reported in the literature. The objective of this study is to describe the clinical features and the treatment strategy of 2 cases of polymyositis developing shortly after chickenpox and mumps, respectively, and to review the existing literature on the topic. The clinical records of the 2 patients suspected to have developed inflammatory myositis following a viral infection were reviewed. Their clinical history, main laboratory findings, and treatment outcome are presented here. Moreover, a literature search was performed in the PubMed and MEDLINE databases to identify reports describing the association between viral infections and IIMs in patients aged ≥18. The 2 patients reported here developed polymyositis shortly after chickenpox and mumps, respectively, suggesting a causal role for viruses in triggering autoimmunity. Only a few reports published between 1990 and 2020 were found in the literature, possibly linking infections to myositis development. Intravenous immunoglobulin and rituximab were effective for the treatment of viral-triggered polymyositis.
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Affiliation(s)
- F Masini
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples.
| | - K Gjeloshi
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples.
| | - E Pinotti
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples.
| | - R Ferrara
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples.
| | - C Romano
- Department of Advanced Medical and Surgical Sciences, University of Campania Luigi Vanvitelli, Naples.
| | - G Cuomo
- Department of Precision Medicine, University of Campania Luigi Vanvitelli, Naples.
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Ktona E, Budani B, Kostas-Agnantis I, Idrizi A. A Case of Polymyositis Associated with Cytomegalovirus Infection in a Patient with Hashimoto's Thyroiditis. Life (Basel) 2023; 13:2331. [PMID: 38137932 PMCID: PMC10744878 DOI: 10.3390/life13122331] [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: 09/06/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/24/2023] Open
Abstract
Polymyositis is a rare condition with an unknown etiology occurring more frequently in adult women. There is a lack of evidence on the coexistence of PM and CMV infection in a patient with hypothyroidism due to Hashimoto's Thyroiditis. However, the growing occurrence of both CMV infection and the simultaneous occurrence of autoimmune diseases points out a relationship, while the association direction remains unclear. Case outline: A 32-year-old woman recently treated for HT hypothyroidism was admitted to the hospital two weeks after being treated for common flu by the family doctor, complaining about a worsening condition with muscle pain, weakness, frequent falls, and fatigue. The first tests showed a normalized thyroid function, with elevated values of troponin and serum creatinine kinase (CK). The immunological tests revealed the presence of a high titer of CMV IgG antibodies and raised levels of CMV DNA. Pelvis MRI images demonstrated markedly elevated signals on the STIR sequences in the pelvis, thighs, and calves, indicating active and severe multifocal myositis. The diagnosis of PM was confirmed with the muscle biopsy on day 7 of hospitalization. The patient showed significant improvements within two weeks after the medical therapy and physiotherapy.
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Affiliation(s)
- Ergeta Ktona
- Rheumatology Department, University Hospital Center, 1001 Tirana, Albania
| | - Blerta Budani
- Faculty of Technical Medical Sciences, University of Elbasan, 3001 Elbasan, Albania;
| | | | - Alma Idrizi
- Nephrology Department, University Hospital Center, 1001 Tirana, Albania;
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9
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Aimaiti M, Zhang H, Aikebaier D, Ni B, Yin H, Dong Z, Zhang Y, Guan Y, Bai L, Wang S, Xia X, Zhang Z. Clinicopathological characteristics of gastric cancer patients with dermatomyositis and analysis of perioperative management: a case series study. Front Surg 2023; 10:1276575. [PMID: 38026488 PMCID: PMC10646486 DOI: 10.3389/fsurg.2023.1276575] [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: 08/21/2023] [Accepted: 10/10/2023] [Indexed: 12/01/2023] Open
Abstract
Background This study aimed to investigate the clinical characteristics of gastric cancer (GC) patients with dermatomyositis (DM) and summarize the perioperative outcomes. Methods The clinical and pathological data of five patients diagnosed with co-occurring DM and GC (DM-GC group) were retrospectively analyzed, who were admitted to the Department of Gastrointestinal Surgery at Ren ji Hospital, Shanghai Jiao Tong University, between January 2012 and April 2023. Their data were compared with 618 GC patients (GC-1 group) from September 2016 to August 2017 and 35 GC patients who were meticulously screened from 14,580 GC cases from January 2012 and April 2023. The matching criteria included identical gender, age, tumor location, TNM stage, and surgical procedure (7 GC patients were matched for each DM-GC patient). Results Analysis indicated that the DM-GC group comprised four female and one male patient. The female proportion was significantly higher (P = 0.032) than that of GC-1 group. In DM-GC group, four DM patients were diagnosed as GC within 12 months. One DM patients was diagnosed as GC within 15 months. Among them, four patients presented with varying degrees of skin rashes, muscle weakness while one patient had elevated CK levels as the typical symptom. Similarly, the preoperative tumor markers (CA-199 and CA-125) in the DM-GC group were significantly higher than normal levels (CA-199: 100 vs. 28.6%, P = 0.002; CA-125: 40 vs. 2.9%, P = 0.003) compared to GC-2 group. Moreover, postoperative complication incidence and the length of hospital stay were significantly higher in the DM-GC than GC-2 group [complication rate: 40 vs. 8.6%, P = 0.047; hospital stay: 15 days (range: 9-28) vs. 9 days (range: 8-10), P = 0.021]. Conclusion GC Patients with dermatomyositis are more prone to experience postoperative complications and longer hospital stay.
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Affiliation(s)
- Muerzhate Aimaiti
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Haoyu Zhang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Dilidaer Aikebaier
- Department of General Medicine, Kashe District Second People’s Hospital, Xinjiang, China
| | - Bo Ni
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Hanlin Yin
- Department of Rheumatology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhongyi Dong
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yeqi Zhang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yujing Guan
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Long Bai
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Shuchang Wang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiang Xia
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zizhen Zhang
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Osman M, Martins KJB, Wong KO, Vu K, Guigue A, Cohen Tervaert JW, Gniadecki R, Klarenbach SW. Incidence and prevalence, and medication use among adults living with dermatomyositis: an Alberta, Canada population-based cohort study. Sci Rep 2023; 13:16444. [PMID: 37777591 PMCID: PMC10542346 DOI: 10.1038/s41598-023-43880-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 09/29/2023] [Indexed: 10/02/2023] Open
Abstract
Dermatomyositis is a rare disease characterized by progressive muscle weakness and skin rashes. Estimates of incidence and prevalence are fundamental measures in epidemiology, but few studies have been conducted on dermatomyositis. To address this knowledge gap, we conducted a population-based study to determine the contemporary incidence (between 2013 and 2019) and prevalence (2019) of adults living with dermatomyositis using administrative health data in Alberta, Canada. We also described disease-related medication use, as there are very few approved medications for the treatment of dermatomyositis, and no Canadian therapeutic guidelines. The average age- and sex-standardized annual incidence of dermatomyositis was 2.8-3.0 cases per 100,000 adults, and prevalence was 28.6 cases per 100,000 adults, which is greater than reported in other cohorts. Dermatomyositis-related medication use decreased from 73% in the first year to 46% in the eighth year after diagnosis. Glucocorticoids were the most commonly used drug class, often taken concurrently with various immunomodulatory agents; this medication use aligns with empirically-based recommendations and the few therapeutic guidelines for dermatomyositis. Considering that Alberta may have one of the highest rates of dermatomyositis among adults, further research on the burden of disease is warranted for planning within the health care system.
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Affiliation(s)
- Mohammed Osman
- Faculty of Medicine and Dentistry, Department of Medicine, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Karen J B Martins
- Faculty of Medicine and Dentistry, Real World Evidence Unit, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Kai On Wong
- Faculty of Medicine and Dentistry, Real World Evidence Unit, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Khanh Vu
- Faculty of Medicine and Dentistry, Real World Evidence Unit, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Alexis Guigue
- Cumming School of Medicine, Centre for Health Informatics, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Jan Willem Cohen Tervaert
- Faculty of Medicine and Dentistry, Department of Medicine, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Robert Gniadecki
- Faculty of Medicine and Dentistry, Department of Medicine, University of Alberta, Edmonton, AB, T6G 2R3, Canada
| | - Scott W Klarenbach
- Faculty of Medicine and Dentistry, Department of Medicine, University of Alberta, Edmonton, AB, T6G 2R3, Canada.
- Faculty of Medicine and Dentistry, Real World Evidence Unit, University of Alberta, Edmonton, AB, T6G 2R3, Canada.
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Kawahata K, Ishii T, Gono T, Tsuchiya Y, Ohashi H, Yoshizawa K, Zheng R, Ayabe M, Nishikawa K. Phase 3, multicentre, randomised, double-blind, placebo-controlled, parallel-group study of ustekinumab in Japanese patients with active polymyositis and dermatomyositis who have not adequately responded to one or more standard-of-care treatments. RMD Open 2023; 9:e003268. [PMID: 37652554 PMCID: PMC10476119 DOI: 10.1136/rmdopen-2023-003268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 07/31/2023] [Indexed: 09/02/2023] Open
Abstract
OBJECTIVES To evaluate the efficacy and safety of ustekinumab (UST) in a multicentre, randomised, double-blind, placebo-controlled trial in adult Japanese patients with active polymyositis (PM) and dermatomyositis (DM). METHODS Fifty-one Japanese adults diagnosed with active PM/DM who did not respond adequately to one or more standard-of-care treatments were randomised 1:1 to receive UST (n=25) or placebo (n=26). Participants received body weight-range based intravenous administration of UST (6 mg/kg) or placebo at week 0 followed by 90 mg subcutaneous (SC) administration of UST or placebo every 8 weeks from week 8 to week 24. At week 24, placebo group crossed over to receive body weight-range based intravenous administration of UST, and thereafter, all participants received/were to receive SC administration of UST 90 mg every 8 weeks (week 32 through to week 72). The primary efficacy endpoint was the proportion of participants who achieved minimal improvement (≥20) in the International Myositis Assessment and Clinical Studies Total Improvement Score (IMACS TIS) at week 24. RESULTS No statistically significant difference was seen in the proportion of participants who achieved minimal improvement (≥20) in IMACS TIS at week 24 between the treatment groups (UST 64.0% vs placebo 61.5%, p=0.94) based on the primary estimand of the primary endpoint analysis. CONCLUSIONS UST was safe and well tolerated but did not meet the primary efficacy endpoint in adult Japanese participants with active PM/DM based on the primary analysis at week 24 in the study. TRIAL REGISTRATION NUMBER NCT03981744.
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Affiliation(s)
- Kimito Kawahata
- Department of Rheumatology and Allergology, St Marianna University School of Medicine, Kawasaki, Kanagawa, Japan
| | - Tomonori Ishii
- Department of Hematology and Rheumatology, Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Takahisa Gono
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Yumi Tsuchiya
- Research and Development, Janssen Pharmaceutical KK, Tokyo, Japan
| | - Hiroki Ohashi
- Research and Development, Janssen Pharmaceutical KK, Tokyo, Japan
| | | | - Richuan Zheng
- Statistics and Decision Sciences, Janssen Pharmaceutical KK, Tokyo, Japan
| | - Maori Ayabe
- Clinical Pharmacology and Pharmacometrics, Janssen Pharmaceutical KK, Tokyo, Japan
| | - Kazuko Nishikawa
- Research and Development, Janssen Pharmaceutical KK, Tokyo, Japan
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12
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Harazeen A, Walter B, Li X, Patel C. When a Painful Rash Keeps Recurring: A Case of Seronegative Amyopathic Dermatomyositis Without Neurological Sequelae. Cureus 2023; 15:e42727. [PMID: 37654955 PMCID: PMC10466999 DOI: 10.7759/cureus.42727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2023] [Indexed: 09/02/2023] Open
Abstract
We present a case of seronegative amyopathic dermatomyositis (SADM). This clinical entity should be considered in the differential diagnosis of patients with recurring, painful erythematous skin manifestations, and requires close monitoring for the development of neurological manifestations and malignancy. SADM is a rare autoimmune disease that affects the skin and muscles. It is considered a subtype of dermatomyositis (DM), which is a systemic autoimmune disease. The exact cause of SADM is not fully understood but is believed to involve a complex interplay between genetic, environmental, and immunological factors. The diagnosis of SADM is typically made based on clinical evaluation, blood tests, muscle biopsy, and skin biopsy. Treatment options for SADM may include corticosteroids, immunosuppressive drugs, and other supportive measures to manage symptoms and prevent disease progression. A 30-year-old female presented with symptoms of intermittent burning, painful rash primarily on the hands and face. Her medical history was remarkable for a six-year history of multifocal joint pain, chronic low back pain, and intermittent, painful recurring rash in the upper body (face, neck, and chest). Neurological examination revealed scalp tenderness and arthralgia in the upper extremities, with normal motor strength examination. Skin findings included described an erythematous rash on the arms and hands bilaterally. Skin punch biopsy showed compact orthokeratosis, atrophy of the epidermis, interface changes, and increased dermal mucin on the colloidal iron stain, which are suggestive of DM. Electromyography and nerve conduction study were normal. The MRI of the left thigh was normal. C3 and C4 levels were reduced. The extended muscle-specific myositis panel including MDA5 was negative. The patient was placed on a multidrug regimen, including methotrexate, hydroxychloroquine, and prednisone. Within one year of follow-up, she was found to have reductions in skin manifestation and flare-ups. Clinicians should consider amyopathic DM (ADM) in the differential diagnosis of patients with recurring, painful skin manifestations. This condition can be easily overlooked as the development of neurological sequelae may be present much later in the course. We highlight the need for a multi-disciplinary management approach for patients with this unique diagnosis. Close monitoring for the development of neurological manifestations and associated sequelae including malignancy is recommended.
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Affiliation(s)
- Ahmed Harazeen
- Neurology, University of Texas Medical Branch, Galveston, USA
| | - Brian Walter
- Neurology, Houston Methodist Hospital, Houston, USA
| | - Xiangping Li
- Neurology, University of Texas Medical Branch, Galveston, USA
| | - Chilvana Patel
- Neurology, University of Texas Medical Branch, Galveston, USA
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13
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Shimoda M, Tanaka Y, Taniguchi A, Morimoto K, Yoshimori K, Ohta K. Anti-Mi-2 antibody-positive lung cancer-associated polymyositis. Int Cancer Conf J 2023; 12:173-176. [PMID: 37251005 PMCID: PMC10212843 DOI: 10.1007/s13691-023-00601-1] [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: 12/25/2022] [Accepted: 02/26/2023] [Indexed: 03/18/2023] Open
Abstract
After a 75-year-old man was diagnosed with lung cancer, proximal weakness and myalgia in the bilateral lower extremities developed, and the creatinine kinase (CK) level was elevated. The anti-Mi-2 antibody test was positive, muscle T2-weighted/fat-suppressed magnetic resonance imaging showed high intensity, and there were no skin lesions. Therefore, he was diagnosed with lung cancer-associated polymyositis (PM). The lung tumour shrank after chemotherapy, accompanied by gradual improvement of his PM-derived symptoms and CK level. Although positive anti-Mi-2 antibody tests rarely indicate PM and cancer, examining myositis-specific autoantibodies, including anti-Mi-2, should be considered if the CK level increases after a cancer diagnosis.
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Affiliation(s)
- Masafumi Shimoda
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Mastuyama, Kiyose, Tokyo 204-8522 Japan
| | - Yoshiaki Tanaka
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Mastuyama, Kiyose, Tokyo 204-8522 Japan
| | - Atsuo Taniguchi
- Department of Rheumatology, Fukujuji Hospital, Japan Anti-Tuberculosis Association, Kiyose, Tokyo Japan
| | - Kozo Morimoto
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Mastuyama, Kiyose, Tokyo 204-8522 Japan
| | - Kozo Yoshimori
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Mastuyama, Kiyose, Tokyo 204-8522 Japan
| | - Ken Ohta
- Respiratory Disease Center, Fukujuji Hospital, Japan Anti-Tuberculosis Association, 3-1-24 Mastuyama, Kiyose, Tokyo 204-8522 Japan
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14
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Asif MI, Kalra N, Sharma N, Jain N, Sharma M, Sinha R. Connective tissue disorders and eye: A review and recent updates. Indian J Ophthalmol 2023; 71:2385-2398. [PMID: 37322648 PMCID: PMC10418020 DOI: 10.4103/ijo.ijo_286_22] [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: 01/28/2022] [Revised: 03/20/2023] [Accepted: 04/06/2023] [Indexed: 06/17/2023] Open
Abstract
Collagen vascular disorders (CVDs), also known as connective tissue diseases (CTDs), are a heterogeneous group of entities that affect the connective tissues and are capable of causing end-organ damage to multiple systems, primarily cardiopulmonary and musculoskeletal. However, the occurrence and severity are highly variable among patients. Ocular involvement occurs in a significant number of these disorders and may precede the onset of other extraocular features, thereby serving as an important marker in the diagnosis of these diseases. A timely and accurate diagnosis enables the management of complications. CTDs are primarily immune-mediated inflammatory diseases; however, classifications have encompassed heritable disorders affecting collagen-containing structures and disorders of vascular development. A review of literature published until 25 January 2022 and collected from various databases using the relevant keywords was conducted. All publications (original articles, review articles, as well as case reports) describing the ocular features in CTDs were studied in detail. The objective of this review is to recognize the common ophthalmic presentations of various autoimmune and heritable CTDs, distinguish them from overlapping diseases, elaborate on the prognosis and management of these varied eye presentations, and deliberate on their impact on other ophthalmic surgeries.
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Affiliation(s)
- Mohamed I. Asif
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Nidhi Kalra
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Namrata Sharma
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
| | - Neha Jain
- The Cornea Institute, KAR Campus, L. V. Prasad Eye Institute, Hyderabad, Telangana, India
| | - Mohita Sharma
- Tirupati Eye Centre & Research Institute, Noida, India
| | - Rajesh Sinha
- Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India
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15
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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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16
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Didona D, Solimani F, Caposiena Caro RD, Sequeira Santos AM, Hinterseher J, Kussini J, Cunha T, Hertl M, Didona B. Dermatomyositis: a comprehensive review of clinical manifestations, serological features, and therapeutic approaches. Ital J Dermatol Venerol 2023; 158:84-98. [PMID: 37153943 DOI: 10.23736/s2784-8671.23.07458-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Dermatomyositis (DM) is an autoimmune disorder, which belongs to a group of rare autoimmune dermatoses characterized by different skin features and variable muscle involvement. We recognize four main variants of DM: classic DM, clinically amyopathic DM, paraneoplastic DM, and juvenile DM. Clinically, patients show several skin features, but heliotrope rash, and violaceous papules located at the interphalangeal or metacarpophalangeal joints (Gottron's papules) are the most frequently observed. Together with skin features, patients show muscle involvement, most commonly with symmetrical weakness of the proximal muscles. DM belongs to the facultative paraneoplastic dermatoses and a wide range of solid or hematologic malignancies can be detected in DM patients. Serologically, a wide range of autoantibodies can be detected in patients with DM. Indeed, distinct serotypes can be related to specific phenotypes with specific clinical features, carrying a different risk for systemic involvement and for malignancies. Systemic corticosteroids are still considered the first-line approach, but several steroid-sparing agents, such as methotrexate, azathioprine or mycophenolate mofetil, have been reported as effective in treating DM. Furthermore, new class of drugs, such as monoclonal antibodies, purified immunoglobulins or Janus kinase inhibitors are becoming more relevant in the clinical practice or are currently under investigation. In this work, we aim to offer a clinical overview of the diagnostic workout, the characteristics of DM variants, the role of autoantibodies in DM, and the management of this life-threatening systemic disorder.
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Affiliation(s)
- Dario Didona
- Department of Dermatology and Allergology, Philipps University of Marburg, Marburg, Germany -
| | - Farzan Solimani
- Berlin Institute of Health at Charité-Universitätsmedizin Berlin BIH, Biomedical Innovation Academy, BIH Charité Clinician Scientist Program, Berlin, Germany
- Department of Dermatology, Venereology and Allergology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | | | | | - Julia Hinterseher
- Department of Dermatology and Allergology, Philipps University of Marburg, Marburg, Germany
| | - Jacqueline Kussini
- Department of Dermatology and Allergology, Philipps University of Marburg, Marburg, Germany
| | - Tomas Cunha
- Department of Dermatology and Allergology, Philipps University of Marburg, Marburg, Germany
| | - Michael Hertl
- Department of Dermatology and Allergology, Philipps University of Marburg, Marburg, Germany
| | - Biagio Didona
- Department of Dermatology, Istituto Dermopatico dell'Immacolata (IDI)-IRCCS, Rome, Italy
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17
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Shijubou N, Sawai T, Hatakeyama T, Munakata S, Yamazoe M, Chiba H. Autoimmune Pulmonary Alveolar Proteinosis during the Treatment of Idiopathic Inflammatory Myopathy. Intern Med 2023; 62:445-448. [PMID: 35831113 PMCID: PMC9970810 DOI: 10.2169/internalmedicine.9558-22] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Approximately 50% of idiopathic inflammatory myopathies (IIMs) are associated with interstitial lung disease (ILD). Typically, IIM-ILD manifests as nonspecific interstitial pneumonia. We herein report a rare case of a 78-year-old man with autoimmune pulmonary alveolar proteinosis (PAP) that developed during IIM treatment. The diagnosis of autoimmune PAP was based on detecting anti-granulocyte-macrophage colony-stimulating factor antibodies. We postulated that PAP may have been induced by IIM treatment with prednisolone. Our case suggests that the possibility of autoimmune PAP should be considered in patients with lung lesions during the clinical course of IIM.
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Affiliation(s)
- Naoki Shijubou
- Department of Respiratory Medicine, Hakodate Municipal Hospital, Japan
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
| | - Takeyuki Sawai
- Department of Respiratory Medicine, Hakodate Municipal Hospital, Japan
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
| | - Taku Hatakeyama
- Department of Respiratory Medicine, Hakodate Municipal Hospital, Japan
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
| | | | - Masami Yamazoe
- Department of Respiratory Medicine, Hakodate Municipal Hospital, Japan
| | - Hirofumi Chiba
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
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18
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Patil A, Lu J, Kassir M, Babaei M, Goldust M. Adult and juvenile dermatomyositis treatment. J Cosmet Dermatol 2023; 22:395-401. [PMID: 36065712 DOI: 10.1111/jocd.15363] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/17/2022] [Accepted: 09/02/2022] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Dermatomyositis is a rare autoimmune inflammatory condition affecting skin and muscles. The disease can be seen in both adults and children. It can be associated with malignancy. Considering involvement of skin in the disease, many patients consult dermatologists for its treatment. Hence, knowledge about its presentation, complications, prognosis, and treatment is necessary. OBJECTIVE The objective of this review article is to provide comprehensive information about treatment of dermatomyositis. METHODS In this review article, we reviewed the published literature on adult and juvenile dermatomyositis to highlight the treatment. Articles published in peer-reviewed journals including reviews, clinical trials, case series, and case reports published in electronic database (MEDLINE/PubMed) through January 2021, cross references of respective articles and trials from clinicaltrials.gov were included for qualitative analysis of the literature. RESULTS Treatment options for dermatomyositis include traditional immunosuppressive agents and immunomodulatory therapy. High-dose corticosteroids represent the first line of treatment while other immunosuppressive agents are also used, either in combination with or as an alternative to corticosteroids, after initial treatment failure. Some biological agents have been used for the treatment of dermatomyositis with variable responses. CONCLUSION Although several treatment options are available, several questions remain unanswered about the optimal treatment of dermatomyositis.
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Affiliation(s)
- Anant Patil
- Department of Pharmacology, Dr. DY Patil Medical College, Navi Mumbai, India
| | - Jun Lu
- UConn Health Department of Dermatology, Farmington, Connecticut, USA
| | | | - Mahsa Babaei
- Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohamad Goldust
- Department of Dermatology, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
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Zhao X, Si S. Five genes as diagnostic biomarkers of dermatomyositis and their correlation with immune cell infiltration. Front Immunol 2023; 14:1053099. [PMID: 36742332 PMCID: PMC9889851 DOI: 10.3389/fimmu.2023.1053099] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 01/03/2023] [Indexed: 01/19/2023] Open
Abstract
Background Dermatomyositis (DM) is a rare autoimmune disease characterized by severe muscle dysfunction, and the immune response of the muscles plays an important role in the development of DM. Currently, the diagnosis of DM relies on symptoms, physical examination, and biopsy techniques. Therefore, we used machine learning algorithm to screen key genes, and constructed and verified a diagnostic model composed of 5 key genes. In terms of immunity, The relationship between 5 genes and immune cell infiltration in muscle samples was analyzed. These diagnostic and immune-cell-related genes may contribute to the diagnosis and treatment of DM. Methods GSE5370 and GSE128470 datasets were utilised from the Gene Expression Omnibus database as DM test sets. And we also used R software to merge two datasets and to analyze the results of differentially expressed genes (DEGs) and functional correlation analysis. Then, we could detect diagnostic genes adopting least absolute shrinkage and selection operator (LASSO) logistic regression and support vector machine recursive feature elimination (SVM-RFE) analyses. The validity of putative biomarkers was assessed using the GSE1551 dataset, and we confirmed the area under the receiver operating characteristic curve (AUC) values. Finally, CIBERSORT was used to evaluate immune cell infiltration in DM muscles and the correlations between disease-related biomarkers and immune cells. Results In this study, a total of 414 DEGs were screened. ISG15, TNFRSF1A, GUSBP11, SERPINB1 and PTMA were identified as potential DM diagnostic biomarkers(AUC > 0.85),and the expressions of 5 genes in DM group were higher than that in healthy group (p < 0.05). Immune cell infiltration analyses indicated that identified DM diagnostic biomarkers may be associated with M1 macrophages, activated NK cells, Tfh cells, resting NK cells and Treg cells. Conclusion The study identified that ISG15, TNFRSF1A, GUSBP11, SERPINB1 and PTMA as potential diagnostic biomarkers of DM and these genes were closely correlated with immune cell infiltration.This will contribute to future studies in diagnosis and treatment of DM.
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邢 晓, 张 筠, 朱冯 赟, 王 一, 周 新, 李 玉. [Clinical analysis of 5 cases of dermatomyositis complicated with macrophage activation syndrome]. BEIJING DA XUE XUE BAO. YI XUE BAN = JOURNAL OF PEKING UNIVERSITY. HEALTH SCIENCES 2022; 54:1214-1218. [PMID: 36533358 PMCID: PMC9761815 DOI: 10.19723/j.issn.1671-167x.2022.06.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Indexed: 06/17/2023]
Abstract
To investigate the clinical and immunological features of dermatomyositis (DM) complicated with macrophage activation syndrome (MAS). The demographic and clinical characteristics of five patients diagnosed with DM complicated with MAS hospitalized in the Department of Rheumatology and Immunology, Peking University People ' s Hospital from 2011 to 2021 were collected. The results of clinical manifestations, laboratory tests, immunological features, treatments and prognosis were analyzed and summarized. In this study, five female patients in Peking University People's Hospital with an average age of 63.8 (44.0-83.0) years and an average disease duration of 16.1 (1.5-48.0) months. All the patients had typical DM rash (such as heliotrope sign, V/shawl sign or Gottron's sign/papules). They all had muscle involvement (including myalgia or muscle weakness). Two patients had positive myositis-specific antibodies (MSAs), in which case 1 had anti-TIF1-γ antibody and case 5 had anti-NXP-2 antibody. Four patients had interstitial lung disease except case 3. All of the cases developed MAS in the active stage of DM. Common manifestations of MAS in these five patients included high-grade fever, cytopenia, decreased fibrinogen, elevated ferritin and increased soluble CD25. Case 1 presented with neutropenia (0.6×109 /L), thrombocytopenia (26.0×109 /L), hypofibrinogenemia (0.9 g/L), markedly elevated ferritin (26 331.0 μg/L), decreased NK cell activity. Case 2 had anaemia (hemoglobin 81.0 g/L), thrombocytopenia (55.0×109 /L), hypertriglyceridemia (4.7 mmol/L), hypofibrinogenemia (1.2 g/L), elevated ferritin (>100 000.0 μg/L), hemophagocytosis in bone marrow. Case 3 had anaemia (hemoglobin 88 g/L), decreased fibrinogen (1.9 g/L), increased ferritin (>27 759.0 μg/L), splenomegaly, hemophagocytosis in bone marrow. Case 4 suffered from neutropenia(0.3×109 /L), anaemia(hemoglobin 78 g/L), hypertriglyceridemia (4.2 mmol/L), hypofibrinogenemia (0.9 g/L), increased ferritin (>100 000.0 μg/L), and decreased NK cell activity. Case 5 presented anaemia (hemoglobin 60.0 g/L), thrombocytopenia (67.0×109 /L), hypertriglyceridemia (12.7 mmol/L), decreased fibrinogen (1.1 g/L), and elevated ferritin (>923.0 μg/L). All the patients were treated with methylprednisone pulse therapy (200-500 mg) combined with cyclosporine while case 5 received rituximab after methylprednisone pulses. In addition, case 3 also received the combination of mycophenolate mofetil. Case 1 was given etoposide while case 4 was treated with cyclophosphamide and repeated plasmapheresis at the same time. Moreover, intravenous immunoglobulin was added meantime apart from case 3. The condition of four patients improved significantly, nevertheless case 4 experienced recurred pulmonary symptoms and died of respiratory failure. As for complications about infection, case 2 had bacterial infection with high level procalcitonin (PCT) before MAS treatment and condition was improved after empiric antibacterial therapy. Case 3 had cytomegalovirus DNAemia before diagnosis of MAS and viral titer turned negative after ganciclovir therapy. After treatment of MAS, four patients developed cytomegalovirus DNAemia except case 3, in which case 5 was co-infected with bacteria. To sum, DM complicated with MAS is relatively rare, and its patients are of ten in life-threatening condition. Early detection, treatment and prevention of infection during treatment are critical to improve the prognosis.
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Affiliation(s)
- 晓燕 邢
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 筠肖 张
- 北京市监狱管理局清河分局医院内科,天津 300481Department of Internal Medicine, Beijing Prison Administration Qinghe Branch, Tianjin 300481, China
| | - 赟智 朱冯
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 一帆 王
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
| | - 新尧 周
- 中国中医科学院广安门医院风湿病科,北京 100053Department of Rheumatology and Immunology, Guang' anmen Hospital of China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - 玉慧 李
- 北京大学人民医院风湿免疫科,北京 100044Department of Rheumatology and Immunology, Peking University People' s Hospital, Beijing 100044, China
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21
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Simonsen JA, Thøgersen KF, Hvidsten S, Gerke O, Høilund-Carlsen PF, Diederichsen LP. Treatment-naïve idiopathic inflammatory myopathy: disease evaluation by fluorodeoxyglucose versus pyrophosphate. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2022. [DOI: 10.1186/s43055-022-00822-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Imaging of idiopathic inflammatory myopathies (IIMs) is challenging, and no pathognomonic signs exist. Different tracers have been tested for this purpose, mainly inflammation markers including technetium-99m-pyrophosphate (PYP). We aimed to examine the utility of fluorine-18-fluorodeoxyglucose (FDG) relative to PYP in idiopathic inflammatory myopathy (IIM).
Methods
Using visual grading and CT-guided muscular segmentation and standardized uptake values (SUVs), we assessed muscular tracer uptake qualitatively and quantitatively, comparing FDG uptake in eight patients with recent-onset IIM and 24 healthy control persons and FDG and PYP uptake in seven patients.
Results
Muscular FDG and PYP uptake was increased in all patients. However, uptake distribution and signal intensity differed considerably. FDG scans revealed clear involvement of certain muscle groups including core and swallowing muscles and, in addition, abnormality in diseased extra-muscular organs. PYP was mainly visible in bones, whereas muscular PYP uptake was generally discrete and primarily located in the extremities. Quantitatively, FDG uptake was significantly higher in patients than in controls; the volume-weighted SUVmean for all right-side muscles was 0.84 versus 0.60 g/ml (95% confidence interval (CI) for mean difference 0.14–0.34, p = 0.0001). FDG SUVmean values were up to four times higher than PYP mean values in upper limb muscles (95% CI for the mean ratio 2.37–3.77, p = 0.0004) and two–three times higher in lower limb muscles (95% CI for the mean ratio 2.28–2.71, p < 0.0001).
Conclusions
Muscular FDG uptake was higher in treatment-naïve IIM patients than in healthy controls and more distinct than PYP uptake in patients with a potential to reveal extra-muscular IIM involvement and malignancy. Thus, FDG appears to be superior to PYP in the diagnostic evaluation of IIM.
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22
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Chabchoub I, Snoussi M, Ammar R, Ben Salah R, Dammak C, Frikha F, Bouaziz M, Boudawara T, Bahloul Z. About a rare association:
Guillain–Barré
Syndrome and polymyositis. Clin Case Rep 2022; 10:e6642. [PMCID: PMC9701860 DOI: 10.1002/ccr3.6642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/25/2022] [Accepted: 11/04/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Imen Chabchoub
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
| | - Mouna Snoussi
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
| | - Rania Ammar
- Medical intensive care Unit Habib Bourguiba Hospital Sfax Tunisia
| | - Raida Ben Salah
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
| | - Chifa Dammak
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
| | - Faten Frikha
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
| | - Mounir Bouaziz
- Medical intensive care Unit Habib Bourguiba Hospital Sfax Tunisia
| | | | - Zouhir Bahloul
- Internal medicine department Hedi Chaker Hospital Sfax Tunisia
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Muacevic A, Adler JR. Post-COVID-19 Polymyositis: A Case Report. Cureus 2022; 14:e30991. [PMID: 36475159 PMCID: PMC9715395 DOI: 10.7759/cureus.30991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2022] [Indexed: 01/25/2023] Open
Abstract
Post-Coronavirus disease 2019 (COVID-19) development of polymyositis is rare, with very few cases documented in the literature. In patients developing vague symptoms after recovery from COVID-19, it is important to investigate all avenues, including the possibility of polymyositis. Polymyositis is typically characterized as symmetrical muscle weakness and histological, electrical, and chemical evidence of muscle injury. Patients identified can be treated with immunosuppressants to return some quality of life and prevent disease progression. In this report, we describe a 58-year-old Caucasian male who presented with symptoms of weakness, myalgias, and arthralgias, six months after recovering from flu-like symptoms of COVID-19. The patient was tested for other autoimmune etiologies and myopathies without positive results. He was treated with prednisone and reported moderate improvement in symptoms. Unfortunately, the patient declined a muscle biopsy or electromyographic testing. According to the criteria for polymyositis set by the Myositis Association and the response to therapy, the patient's symptoms pointed to a likely diagnosis of post-COVID-19 polymyositis.
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Sun XF, Gao XD, Shen KT. Treatment of gastric cancer with dermatomyositis as the initial symptom: Two case reports and review of literature. World J Clin Cases 2022; 10:9727-9733. [PMID: 36186186 PMCID: PMC9516899 DOI: 10.12998/wjcc.v10.i27.9727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/24/2022] [Accepted: 08/17/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Dermatomyositis (DM) is a rare autoimmune disease involving the connective tissue. The association between DM and gastric cancer remains unclear. Patients with DM have an increased risk of cancer and higher mortality. It requires immunosuppressive therapy, heightened surveillance, and immunologic response to internal malignancy.
CASE SUMMARY Two cases of gastric cancer with DM as the first symptom in Zhongshan Hospital, Fudan University (Shanghai, China) were reported. Two patients had a typical skin rash. The rash in the first patient involved mainly bilateral upper limbs and neck, while the second patient manifested rash associated mainly with the face, neck, and back. Both manifested muscle weakness in the extremities and elevated serum creatine kinase. Radical resection of the tumor dramatically improved DM-related symptoms in the two patients. The literature review showed that gastric cancer is more commonly associated with DM in middle-aged and older male populations.
CONCLUSION The findings suggest the need for comprehensive screening for malignant tumors in patients with DM refractory to long-term pharmacotherapy or hormone manipulation.
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Affiliation(s)
- Xiang-Fei Sun
- Department of General Surgery, Zhongshan Hospital, Fudan University School of Medicine, Shanghai 200032, China
| | - Xiao-Dong Gao
- Department of General Surgery, Zhongshan Hospital, Fudan University School of Medicine, Shanghai 200032, China
| | - Kun-Tang Shen
- Department of General Surgery, Zhongshan Hospital, Fudan University School of Medicine, Shanghai 200032, China
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Ohta R, Yoshioka N, Yamane F, Hayashi M, Sano C. Anti-Mi2 Antibody Positive Dermatomyositis With Hyper-Elevated Creatine Kinase: A Case Report. Cureus 2022; 14:e28899. [PMID: 36237748 PMCID: PMC9544567 DOI: 10.7759/cureus.28899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2022] [Indexed: 11/05/2022] Open
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Marinoska T, Lauf C, Schorn C, Schwarting A. Fehlendes Therapieansprechen: Ist es wirklich eine rheumatoide Arthritis? Dtsch Med Wochenschr 2022; 147:1153-1157. [DOI: 10.1055/a-1887-3463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Zusammenfassung
Anamnese Eine 78-jährige Patientin wurde unserer Klinik mit einer therapieresistenten, seronegativen und ACPA-negativen rheumatoiden Arthritis zugewiesen. Der Verlauf war von hoher klinischer Krankheitsaktivität und rascher Progression der erosiven Veränderungen geprägt. Unter der erforderlichen hochdosierten Prednisolon-Therapie kam es zu einer Osteoporose sowie einer TVT mit Lungenembolie.
Körperliche Untersuchung Bei Aufnahme bestanden symmetrische, schmerzhafte, synovialitische Schwellungen der MCPs, PIPs und DIPs, Fingergelenk-bezogene rötlich-livide Verfärbungen sowie Kontrakturen der Langfinger und fortgeschrittene Deformitäten. Eine ausgeprägte proximale Muskelschwäche führte zu Einschränkungen beim Treppensteigen sowie beim An- und Auskleiden.
Diagnostik Das Labor zeigte bei negativem RF und anti-CCP-Ak einen positiven ANA (1:5120) mit nukleärem Fluoreszenzmuster und einen positiven anti-Mi-2-Ak im Myositis-Blot. Nativradiologisch imponierten fortgeschrittene mutilierende Gelenkveränderungen im Bereich beider Hände, in der Magnet-Resonanz-Tomografie (MRT) der Oberarme zeigte sich eine ausgeprägte Atrophie der Oberarmmuskulatur ohne Hinweis auf eine aktive Myositis. Diese klinische Konstellation führte zu der Diagnosestellung einer amyositischen Dermatomyositis.
Therapie und Verlauf Unter einem initial erhaltenen Steroidstoß von 100 mg Prednisolon i. v./Tag über 4 Tage waren die klinischen Beschwerden rückläufig. Bei begleitenden Risikofaktoren (Osteoporosis, arterieller Hypertonie, verschwommenem Sehen) erfolgte ein schnelles Steroid-Tapering. Die Basistherapie wurde auf Rituximab umgestellt. Eine erweiterte Tumorsuche wurde ambulant empfohlen.
Diskussion Eine seronegative, ACPA-negative, therapieresistente RA mit schnell fortschreitendem erosivem Verlauf erfordert eine diagnostische Re-Evaluation. Eine erosive, rapid progressive Polyarthritis gehört zu dem Krankheitsbild der mit Anti-Jo-1-Antikörpern assoziierten idiopathischen Myopathien, dem Antisynthetase-Syndrom. Allerdings sind auch Assoziationen mit dem Vorhandensein anderer Myositis-spezifischer Antikörper (MSA) beschrieben. Die Anti-Mi-2-Ab sind hochspezifisch für Dermatomyositis (DM). Eine amyopathische DM ist selten und untypisch. Trotzdem, abgesehen von der muskulären Beteiligung, unterscheiden sich der Krankheitsverlauf und die Prognose nicht wesentlich von einer myopathischen DM.Da eine plötzlich aufgetretene DM eine paraneoplastische Genese haben könnte, ist eine erweiterte Diagnostik zum Malignom-Ausschluss indiziert.
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Affiliation(s)
| | - Carla Lauf
- Rheumazentrum Rheinland-Pfalz GmbH, Bad Kreuznach, Deutschland
- Schwerpunkt Rheumatologie und klinische Immunologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Mainz, Deutschland
| | - Corinna Schorn
- Rheumazentrum Rheinland-Pfalz GmbH, Bad Kreuznach, Deutschland
| | - Andreas Schwarting
- Rheumazentrum Rheinland-Pfalz GmbH, Bad Kreuznach, Deutschland
- Schwerpunkt Rheumatologie und klinische Immunologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Mainz, Deutschland
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Sierra-Galan LM, Bhatia M, Alberto-Delgado AL, Madrazo-Shiordia J, Salcido C, Santoyo B, Martinez E, Soto ME. Cardiac Magnetic Resonance in Rheumatology to Detect Cardiac Involvement Since Early and Pre-clinical Stages of the Autoimmune Diseases: A Narrative Review. Front Cardiovasc Med 2022; 9:870200. [PMID: 35911548 PMCID: PMC9326004 DOI: 10.3389/fcvm.2022.870200] [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: 02/06/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Autoimmune diseases (ADs) encompass multisystem disorders, and cardiovascular involvement is a well-known feature of autoimmune and inflammatory rheumatic conditions. Unfortunately, subclinical and early cardiovascular involvement remains clinically silent and often undetected, despite its well-documented impact on patient management and prognostication with an even more significant effect on severe and future MACE events as the disease progresses. Cardiac magnetic resonance imaging (MRI), today, commands a unique position of supremacy versus its competition in cardiac assessment and is the gold standard for the non-invasive evaluation of cardiac function, structure, morphology, tissue characterization, and flow with the capability of evaluating biventricular function; myocardium for edema, ischemia, fibrosis, infarction; valves for thickening, large masses; pericardial inflammation, pericardial effusions, and tamponade; cardiac cavities for thrombosis; conduction related abnormalities and features of microvascular and large vessel involvement. As precise and early detection of cardiovascular involvement plays a critical role in improving the outcome of rheumatic and autoimmune conditions, our review aims to highlight the evolving role of CMR in systemic lupus erythematosus (SLE), antiphospholipid syndrome (APS), rheumatoid arthritis (RA), systemic sclerosis (SSc), limited sclerosis (LSc), adult-onset Still's disease (AOSD), polymyositis (PM), dermatomyositis (DM), eosinophilic granulomatosis with polyangiitis (EGPA) (formerly Churg-Strauss syndrome), and DRESS syndrome (DS). It draws attention to the need for concerted, systematic global interdisciplinary research to improve future outcomes in autoimmune-related rheumatic conditions with multiorgan, multisystem, and cardiovascular involvement.
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Affiliation(s)
- Lilia M. Sierra-Galan
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
| | - Mona Bhatia
- Department of Imaging, Fortis Escorts Heart Institute, New Delhi, India
| | | | - Javier Madrazo-Shiordia
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
| | - Carlos Salcido
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
| | - Bernardo Santoyo
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
| | - Eduardo Martinez
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
| | - Maria Elena Soto
- Cardiology Department of the Cardiovascular Division of the American British Cowdray Medical Center, Mexico City, Mexico
- Immunology Department of the National Institute of Cardiology, “Ignacio Chavez”, Mexico City, Mexico
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28
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De León AM, Harrison TB, Garcia-Santibanez R. Update on Paraneoplastic Neuromuscular Disorders. Curr Treat Options Neurol 2022. [DOI: 10.1007/s11940-022-00722-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lei Y, Liu C, Wan X, Yang Y, Yao Y, Luo L, Huang T, Li J. Polymyositis as a paraneoplastic syndrome of a patient with primary pulmonary lymphoepithelioma-like carcinoma: a case report and literature review. J Cardiothorac Surg 2022; 17:120. [PMID: 35581657 PMCID: PMC9113618 DOI: 10.1186/s13019-022-01860-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 04/24/2022] [Indexed: 11/29/2022] Open
Abstract
Background Pulmonary lymphoepithelioma-like carcinoma (LELC) is a rare type of non-small cell lung cancer, which mostly occurred in non-smoking Asian populations. The prognosis of this tumor is better than other lung cancers. Polymyositis, a kind of idiopathic inflammatory myopathies, may negatively affect the prognosis of patients with lung cancer as a paraneoplastic syndrome (PNPS). LELC is seldomly accompanied by PNPS, thus the treatment strategy and prognosis should be discussed. Case presentation We report a 49-year-old female patient who was hospitalized for “symmetric limb weakness and pain for more than 2 months”. Glucocorticoid-based anti-inflammatory therapy had been performed for over 3 weeks before the patient was hospitalized, however, in vain. The result of serum autoimmune antibody showed Anti-nRNP/Sm ( +). The serum level of myoglobin, lactate dehydrogenase and creatine kinase elevated significantly. An electromyogram revealed peripheral nerves injury and myogenic damages. Imaging showed a mass in the posterior basal segment of the left lung. A percutaneous transthoracic needle biopsy was performed and the pathological result was LELC. The patient was diagnosed with pulmonary LELC accompanied by polymyositis. Positron emission tomography-computed tomography (PET-CT) showed only ipsilateral hilar and mediastinal lymph nodes metastasis. Video-assisted thoracoscopic left lower lobectomy and systematic mediastinal lymphadenectomy were performed. The postoperative pathological stage was T2N2M0, IIIA (UICC 8th), and the patient received adjuvant chemotherapy and subsequent radiotherapy. The patient was followed up for 5 months with no recurrence of tumor and the limb weakness and pain were relieved apparently after the successful comprehensive treatment of her primary tumor. Conclusion Pulmonary LELC is a rare subtype of non-small cell lung cancer seldomly accompanied by PNPS. Though polymyositis is associated with lung cancer, it is easy to ignore this relationship when a patient is diagnosed with LELC in the clinic. Surgery based comprehensive treatment of primary tumor can lead to a prospective prognosis in pulmonary LELC patients with PNPS. And successful treatment of pulmonary LELC can also improve symptoms of PNPS.
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Affiliation(s)
- Yu Lei
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Caiyang Liu
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Xiu Wan
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Yanhui Yang
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Yi Yao
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Lei Luo
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China
| | - Tingyu Huang
- Department of Pathology, The First People's Hospital of Neijiang, Neijiang, 641000, Sichuan, China
| | - Ji Li
- Department of Cardiothoracic Surgery, The First People's Hospital of Neijiang, Shizhong District, No. 1866, West Section of Hanan Avenue, Neijiang, 641000, Sichuan, China.
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Marasandra Ramesh H, Gude SS, Venugopal S, Peddi NC, Gude SS, Vuppalapati S. The Role of Myositis-Specific Autoantibodies in the Dermatomyositis Spectrum. Cureus 2022; 14:e22978. [PMID: 35415038 PMCID: PMC8990210 DOI: 10.7759/cureus.22978] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2022] [Indexed: 12/23/2022] Open
Abstract
Dermatomyositis (DM) is a systemic autoimmune disease that affects skeletal muscles, the skin, and the lungs. It is characterized by autoantibodies, tissue inflammation, parenchymal cell damage, death, and vasculopathy. In terms of epidemiology, DM affects both children and adults. The current pathophysiology of DM is described as an autoimmune attack on the afflicted organs driven by environmental variables such as UV exposure, medications, infections, and lifestyle choices in genetically predisposed people. DM is also a paraneoplastic condition, which means that cancer may arise before, along with, or following the development of the symptoms of DM. Myositis-specific autoantibodies are associated with phenotypical features and are used for sub-classification of dermatomyositis patients. Because the risk of interstitial lung disease (ILD), internal malignancy, destructive disease trajectory, and maybe a response to medication differs by DM myositis-specific antibody (MSA) group, a better knowledge of MSAs and the validation and standardization of tests employed for detection is crucial for improving diagnosis and treatment. The diagnostic sensitivity and specificity of tests for various MSAs are not ideal, just like with any other test. However, more antibody tests are anticipated to make their way into formal schemata for diagnosis and actionable risk assessment in DM due to worldwide standardization and more extensive research. In this review, we outline crucial aspects for interpreting clinical and pathologic relationships with MSA in DM and critical knowledge and practice gaps that will optimize the clinical benefit and utility of MSAs as diagnostic and prognostic markers.
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Affiliation(s)
| | | | - Shravya Venugopal
- Internal Medicine, Kasturba Medical College, Mangalore, Mangalore, IND
| | | | | | - Sravya Vuppalapati
- Paediatrics, PES Institute of Medical Sciences and Research, Kuppam, IND
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A novel model of dermatomyositis induced by membrane antigen and calciphylaxis in rats. Biomed Rep 2022; 16:31. [PMID: 35251618 PMCID: PMC8889541 DOI: 10.3892/br.2022.1514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 01/18/2022] [Indexed: 11/05/2022] Open
Abstract
Dermatomyositis (DM) is a severe autoimmune disease of the connective tissue characterized by inflammatory and degenerative changes in the skin and muscle. However, the lack of experimental models of DM represents a challenge for the development of effective drugs. The aim of the present study was to establish a pharmacodynamic rat model of DM that would recapitulate the clinical manifestation seen in patients. The DM model was established using membrane antigen-induced autoimmune injury, followed by toxin-induced subcutaneous calciphylaxis. The rats were divided into five groups and were subcutaneously injected with membrane antigen. Of these, four antigen-immunized groups then received dihydrotestosterone (DHT), iron-dextrin (Fe-Dex), polymyxin (PMX) either individually or in combination to induce cutaneous calciphylaxis. The clinical manifestation score, ratio of infiltrated lymphocytes, ratio of arteriole calcified nodules in skeletal muscles, serum antibody levels [anti-histidyl tRNA synthetase (Jo-1) and anti-melanoma differentiation-associated protein 5 (MDA5)] and serum cytokine levels [tumor necrosis factor-α (TNF-α) and interferon-γ (IFN-γ)] were then detected. The results demonstrated that all five autoimmune groups displayed local cutaneous swelling and weakness, increased serum antibody and cytokine levels, and T lymphocyte infiltration in perimysial and perivascular sites. Moreover, pathological changes indicative of calciphylaxis were observed in the PMX and DHT + Fe-Dex + PMX. Among all groups, the rats in the PMX and DHT + Fe-Dex + PMX displayed characteristics most closely resembling those of DM pathogenesis in patients. In conclusion, membrane antigen immunization combined with toxin-induced calciphylaxis can be used as a DM model in rats. This model may be used for the development of effective drugs for DM treatment.
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Chen X, Chen A, Liu C, Zhang B. Triple-Negative Breast Cancer with Dermatomyositis: A Case Report and Literature Review. Cancer Manag Res 2022; 14:569-576. [PMID: 35210854 PMCID: PMC8857951 DOI: 10.2147/cmar.s349400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 02/06/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Dermatomyositis (DM) is an autoimmune inflammatory myopathy, the onset of which is sometimes associated with some malignancies and sometimes appears as a symptom of paraneoplastic syndrome. The main symptoms include progressive proximal muscle weakness, extra muscular manifestations such as dyspnea or dysphagia, and skin changes. There is currently no standardized treatment for breast cancer associated with DM. Patients and Methods We report a 45-year-old woman with a palpable mass over the left external breast along with diffuse erythema on the shoulder, orbital edema, voice hoarseness, dyspnea, and weakness of the extremities. Needle aspiration biopsy and imaging suggested malignancy. Thus, breast-conserving surgery and pectoral myotomy biopsy+ skin excision biopsy were performed. Pathology confirmed triple-negative breast cancer (TNBC) and DM. Two days after surgery, the patient’s orbital edema, voice hoarseness, dyspnea, and weakness of the extremities were significantly reduced, and the erythema subsided significantly. Left axillary lymph node dissection was performed after postoperative adjuvant chemotherapy, and the nodes were negative. The patient was recovering well, and follow-up showed no signs of recurrence or metastasis. Conclusion Be alert for the presence of malignancy when a breast cancer patient presents with DM, a test for dermatologists, rheumatologists, and oncologists. This case demonstrated the effectiveness of breast-conserving surgery combined with radiotherapy for early-stage triple-negative breast cancer with DM, even without further treatment for DM to reduce the symptoms. In conclusion, the treatment plan for these patients depends on the presentation of the tumor and DM.
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Affiliation(s)
- Xiao Chen
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, People’s Republic of China
| | - Aoxiang Chen
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, People’s Republic of China
| | - Chaoqi Liu
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, People’s Republic of China
| | - Bin Zhang
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, People’s Republic of China
- Correspondence: Bin Zhang, The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Huanhuxi Road, Hexi District, Tianjin, 300060, People’s Republic of China, Email
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Shahzad M, Chaudhary SG, Basit A, Thellman C, Rodriguez L, Abhyankar SH, McGuirk JP, Mushtaq MU. Chronic graft-versus-host disease presenting as acute polymyositis: A case series and systematic review. Transpl Immunol 2021; 70:101520. [PMID: 34952168 DOI: 10.1016/j.trim.2021.101520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 12/24/2022]
Abstract
Chronic graft-versus-host disease (cGvHD) remains a significant complication of allogeneic hematopoietic stem cell transplantation (allo-HSCT). Commonly targeted organs are skin, eyes, mouth, gastrointestinal tract, and liver. Muscular involvement and presentation as acute polymyositis (APM) remain a rare manifestation of cGvHD. We present a case series of three patients who presented with APM as a sole presentation of cGvHD and were treated successfully with corticosteroids and ruxolitinib. We also conducted a systematic review including 72 patients to summarize current literature regarding APM associated with cGvHD after allo-HSCT. The estimated incidence of cGvHD-associated APM is up to 3.4%, with a median time to onset of 1.6 years post-allo-HSCT. Most cases (85%) presented with myalgia and progressive bilateral proximal muscle weakness with elevated creatine kinase and/or aldolase. Over half of the patients had a prior history of acute GvHD. Isolated APM presenting without other clinical manifestations of cGvHD was rare. Biopsy of affected muscles usually shows characteristic myonecrosis, which remains the gold standard for diagnosis. Most cases respond to systemic steroids and immunosuppressive therapy. However, refractory cases remain challenging to treat and can cause significant morbidity and mortality. Ruxolitinib appears to be an effective therapy in this setting.
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Affiliation(s)
- Moazzam Shahzad
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sibgha Gull Chaudhary
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Abdul Basit
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Connor Thellman
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Liza Rodriguez
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Sunil H Abhyankar
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Joseph P McGuirk
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States
| | - Muhammad Umair Mushtaq
- Division of Hematologic Malignancies and Cellular Therapeutics, University of Kansas Medical Center, Kansas City, KS, United States.
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Skourtis A, Geladari E, Margellou E, Jajaj E, Raptis A, Kouvidou C, Vallianou N. Bilateral Subcutaneous Pitting Edema of the Upper Limbs as the Initial Sign of an Indolent Systemic Disease. J Clin Rheumatol 2021; 27:S851-S852. [PMID: 32091454 DOI: 10.1097/rhu.0000000000001345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - Eleni Geladari
- Second Internal Medicine Department, Hippokration Hospital, Medical School, National and Kapodistrian University of Athens
| | | | - Edison Jajaj
- From the First Internal Medicine Department, Evangelismos General Hospital
| | - Adamantios Raptis
- From the First Internal Medicine Department, Evangelismos General Hospital
| | | | - Natalia Vallianou
- From the First Internal Medicine Department, Evangelismos General Hospital
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35
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Jung SY, Sung YK, Kim H, Cha EJ, Jang EJ, Yoo DH, Cho SK. Comparative Effectiveness of Azathioprine Versus Cyclosporine as an Initial Treatment for Idiopathic Inflammatory Myopathies: A Population-Based Observational Study. Rheumatol Ther 2021; 9:139-149. [PMID: 34773610 PMCID: PMC8814078 DOI: 10.1007/s40744-021-00392-y] [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: 08/31/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022] Open
Abstract
Objective To compare the effectiveness of azathioprine (AZA) and cyclosporine (CsA) as initial treatments for patients with idiopathic inflammatory myopathies (IIM). Methods A retrospective cohort study was conducted using information from the National Health Insurance Service database of Republic of Korea. Patients with IIM who had started AZA or CsA as initial treatment between January 2007 and December 2011 were selected for the study. They were followed from the day of treatment initiation to the occurrence of study outcomes or the end of the study until December 2016. Effectiveness outcomes, defined as switching the drug or adding immunosuppressants, and discontinuation of corticosteroids, were compared between the two groups. The Cox proportional-hazards model was used to calculate the adjusted relative risk (aRR) with 95% confidence interval (CI) between the AZA and CsA groups. Results A total of 376 patients with incident IIM who used AZA (n = 288) or CsA (n = 88) were identified. The aRR of switching the drug or adding immunosuppressants (1.45 [95% CI 0.99–2.11]) was not significantly different between the CsA and AZA groups. Among patients who were treated with corticosteroids at baseline, the rate of discontinuation of corticosteroids was not different between the two groups (1.69 [95% CI 0.82–3.47]). Conclusions The effectiveness of AZA and CsA as initial treatments for the management of IIM was comparable. Supplementary Information The online version contains supplementary material available at 10.1007/s40744-021-00392-y.
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Affiliation(s)
- Sun-Young Jung
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Yoon-Kyoung Sung
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Hyoungyoung Kim
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Eom Ji Cha
- Department of Statistics, Kyungpook National University, Daegu, Republic of Korea
| | - Eun Jin Jang
- Department of Information Statistics, Andong National University, Andong-si, Republic of Korea
| | - Dae-Hyun Yoo
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea.,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea
| | - Soo-Kyung Cho
- Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, Seoul, 04763, Republic of Korea. .,Hanyang University Institute for Rheumatology Research, Seoul, Republic of Korea.
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Tsamis KI, Boutsoras C, Kaltsonoudis E, Pelechas E, Nikas IP, Simos YV, Voulgari PV, Sarmas I. Clinical features and diagnostic tools in idiopathic inflammatory myopathies. Crit Rev Clin Lab Sci 2021; 59:219-240. [PMID: 34767470 DOI: 10.1080/10408363.2021.2000584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Idiopathic inflammatory myopathies (IIMs) are rare autoimmune disorders affecting primarily muscles, but other organs can be involved. This review describes the clinical features, diagnosis and treatment for IIMs, namely polymyositis (PM), dermatomyositis (DM), sporadic inclusion body myositis (sIBM), immune-mediated necrotizing myopathy (IMNM), and myositis associated with antisynthetase syndrome (ASS). The diagnostic approach has been updated recently based on the discovery of circulating autoantibodies, which has enhanced the management of patients. Currently, validated classification criteria for IIMs allow clinical studies with well-defined sets of patients but diagnostic criteria to guide the care of individual patients in routine clinical practice are still missing. This review analyzes the clinical manifestations and laboratory findings of IIMs, discusses the efficiency of modern and standard methods employed in their workup, and delineates optimal practice for clinical care. Α multidisciplinary diagnostic approach that combines clinical, neurologic and rheumatologic examination, evaluation of electrophysiologic and morphologic muscle characteristics, and assessment of autoantibody immunoassays has been determined to be the preferred approach for effective management of patients with suspected IIMs.
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Affiliation(s)
- Konstantinos I Tsamis
- Department of Neurology, University Hospital of Ioannina, Ioannina, Greece.,School of Medicine, European University Cyprus, Nicosia, Cyprus.,Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | | | | | | | - Ilias P Nikas
- School of Medicine, European University Cyprus, Nicosia, Cyprus
| | - Yannis V Simos
- Department of Physiology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | | | - Ioannis Sarmas
- Department of Neurology, University Hospital of Ioannina, Ioannina, Greece
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Tan Y, Lin J, Hong X, Lu J, Lu Q. Polymyositis in a child with thalassemia after hematopoietic stem cell transplantation: A case report. Medicine (Baltimore) 2021; 100:e27388. [PMID: 34731108 PMCID: PMC8519230 DOI: 10.1097/md.0000000000027388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/15/2021] [Indexed: 01/05/2023] Open
Abstract
RATIONALE Polymyositis (PM) is a rare neuromuscular phenotype of chronic graft-versus-host disease (cGVHD). Although glucocorticoids have been shown to be effective in the treatment of PM, most people experience poor treatment response and poor prognosis. PATIENT CONCERNS A six-year-old boy with thalassemia received allogeneic hematopoietic stem cell transplantation (HSCT) and consequently developed sudden myasthenia of limbs 17 months after the transplant. DIAGNOSES Medical history, current symptoms, laboratory examinations, and imaging findings of the patient indicated cGVHD complicated with PM. INTERVENTIONS He was then given high-dose corticosteroid therapy, including tacrolimus, ruxolitinib, and rituximab. OUTCOMES Twenty-three months after transplantation, creatine kinase levels returned to normal range, and the MRI showed that the original muscle edema signal was significantly improved. The patient's muscle weakness continued to improve, and his overall condition was good. LESSONS This report suggests that glucocorticoids combined with immunosuppressants may be effective against polymyositis. Rituximab and ruxolitinib may be a good choice in treating polymyositis.
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Identification of Vital Hub Genes and Potential Molecular Pathways of Dermatomyositis by Bioinformatics Analysis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9991726. [PMID: 34580642 PMCID: PMC8464434 DOI: 10.1155/2021/9991726] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 08/27/2021] [Indexed: 01/11/2023]
Abstract
Dermatomyositis is an autoimmune disease characterized by severe symmetrical muscle dysfunction and pain. This study was aimed at discovering vital hub genes and potential molecular pathways of DM through bioinformatics analysis, which contributes to identifying potential diagnostic or therapeutic biomarkers and targets. In this study, a total of 915 DEGs in DM samples including 167 upregulated genes and 748 downregulated genes were screened out by the limma package based on the GSE142807 dataset from the Gene Expression Omnibus (GEO) database. Furthermore, the results of Gene Ontology (GO) and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis indicated that these downregulated genes were highly associated with the immune-related biological processes and pathways. Therefore, 41 genes closely related to DM were extracted for further study based on the subcluster analysis through the Molecular Complex Detection (MCODE) software plugin in Cytoscape. Ultimately, 10 hub genes (including ISG15, DDX58, IFIT3, CXCL10, and STAT1) were identified as the potential candidate biomarkers and targets. Besides, we found that the identified hub genes directly or indirectly communicated with each other via molecular signaling pathways on the protein and transcription level. In general, under the guidance of bioinformatics analysis, 10 vital hub genes and molecular mechanisms in DM were identified and the expression of proinflammatory factors and interferon family proteins and genes showed high association with DM, which might help provide a theoretical foundation for the development of point-to-point targeted therapy in the future treatment of DM.
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39
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Ahmed AR, Aksoy M. IgM Deficiency in Autoimmune Blistering Mucocutaneous Diseases Following Various Treatments: Long Term Follow-Up and Relevant Observations. Front Immunol 2021; 12:727520. [PMID: 34646266 PMCID: PMC8504479 DOI: 10.3389/fimmu.2021.727520] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 09/01/2021] [Indexed: 11/13/2022] Open
Abstract
IgM deficiency has been reported in patients with many autoimmune diseases treated with Rituximab (RTX). It has not been studied, in detail, in autoimmune mucocutaneous blistering diseases (AIMBD). Our objectives were: (i) Examine the dynamics of IgM levels in patients with and without RTX. (ii) Influence of reduced serum IgM levels on clinical and laboratory parameters. (iii) Explore the possible molecular and cellular basis for reduced serum IgM levels. This retrospective study that was conducted in a single-center from 2000 to 2020. Serial IgM levels were studied in 348 patients with five AIMBD (pemphigus vulgaris, pemphigus foliaceus, bullous pemphigoid, mucous membrane pemphigoid, and ocular cicatricial pemphigoid) and found decreased in 55 patients treated with RTX, IVIG, and conventional immunosuppressive therapy (CIST). Hence the incidence of decreased serum IgM is low. The incidence of decreased IgM in patients treated with RTX was 19.6%, in patients treated with IVIG and CIST, it was 52.8% amongst the 55 patients. IgM levels in the post-RTX group were statistically significantly different from the IVIG group (p<0.018) and CIST group (p<0.001). There were no statistically significant differences between the groups in other clinical and laboratory measures. Decreased serum IgM did not affect depletion or repopulation of CD19+ B cells. Patients in the three groups achieved clinical and serological remission, in spite of decreased IgM levels. Decrease in IgM was isolated, since IgG and IgA were normal throughout the study period. Decreased IgM persisted at the same level, while the patients were in clinical remission, for several years. In spite of persistent decreased IgM levels, the patients did not develop infections, tumors, other autoimmune diseases, or warrant hospitalization. Studies on IgM deficiency in knockout mice provided valuable insights. There is no universally accepted mechanism that defines decreased IgM levels in AIMBD. The data is complex, multifactorial, sometimes contradictory, and not well understood. Nonetheless, data in this study provides novel information that enhances our understanding of the biology of IgM in health and disease.
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Affiliation(s)
- A. Razzaque Ahmed
- Department of Dermatology, The Center for Blistering Diseases, Tufts University School of Medicine, Boston, MA, United States
- Dermatology Service, Boston Veterans Administration Health Services, Boston, MA, United States
| | - Merve Aksoy
- Department of Dermatology, The Center for Blistering Diseases, Tufts University School of Medicine, Boston, MA, United States
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40
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Debeuf MEPH, van Onna M, Roland Marc Verstraeten VL. Resolution of shawl sign in dermatomyositis using pulsed dye laser. JAAD Case Rep 2021; 16:74-76. [PMID: 34541270 PMCID: PMC8435992 DOI: 10.1016/j.jdcr.2021.07.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
| | - Marloes van Onna
- Division of Rheumatology, Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Limburg, the Netherlands.,School for Public Health and Primary Care (CAPHRI), Maastricht University, Maastricht, Limburg, the Netherlands
| | - Valerie Lydie Roland Marc Verstraeten
- Department of Dermatology, Maastricht University Medical Centre, Maastricht, Limburg, the Netherlands.,GROW School for Oncology and Developmental Biology, Maastricht University, Maastricht, Limburg, the Netherlands
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Abstract
PURPOSE OF REVIEW This is a comprehensive review of the current knowledge on predominant immune cell phenotypes involved in idiopathic inflammatory myopathies (IIM). RECENT FINDINGS Major circulating immune cell subpopulations described in IIM encompass the lymphocyte compartment. An unbalance in T cell subsets seems to consistently affect the peripheral and muscle compartment, with a predominance of CD4+ T and B cells in dermatomyositis, CD8+ T cells in polymyositis/inclusion body myositis (IBM) and novel findings highlighting novel proinflammatory T subsets, that is, CD8+Tbet+ and CD28- T cells across different IIM subsets. On the other hand, an impairment in Treg cells number and function has been described especially across polymyositis/dermatomyositis and IBM. Total T follicular helper (Tfh) cells, increased in immune-mediated necrotizing myopathy, skewed toward Tfh2 and Tfh17 in dermatomyositis, polymyositis, and juvenile dermatomyositis. B cell compartment is more rarely described in IIM, yet an unbalance in this pool is as well likely. Evidence of plasma cells increased in polymyositis, dermatomyositis, IBM, and Bregs decreased in dermatomyositis have been reported. Perturbations in the memory and naïve subsets are common in dermatomyositis/polymyositis and antisynthetase syndrome. SUMMARY Protean immune cell abnormalities characterize different IIM subsets, reflecting the complexity of these autoimmune conditions. A deeper understanding of B-cell and T-cell immunophenotyping may promote early diagnosis and identification of new potential therapeutic targets.
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Egeli BH, Ergun S, Cetin A, Gursoy YK, Ugurlu S. Rituximab as a glucocorticoid-sparing agent in idiopathic inflammatory myopathies: a retrospective single-center cohort study. Clin Rheumatol 2021; 41:123-127. [PMID: 34387760 DOI: 10.1007/s10067-021-05871-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/17/2021] [Accepted: 07/24/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Idiopathic inflammatory myopathies (IIM) are essentially treated aiming to improve muscle function and extra muscular disease manifestations. Rituximab is potentially a glucocorticoid-sparing agent which was reviewed in multiple studies with small sample sizes due to the rarity of the disease. Higher statistical power can enhance the trustworthiness of alternative treatment modalities yielding the main objective of this study. METHODS This retrospective study was conducted at a tertiary rheumatology center. Patients were diagnosed with an idiopathic inflammatory myopathy (dermatomyositis (DM), polymyositis (PM)) and were treated with rituximab to be included in this study. Parameters of disease activity including acute phase reactants, muscle enzyme levels, and disease-specific autoantibodies were analyzed. The primary study endpoint was the improvement of the patient symptoms. The secondary endpoint was the decrease in the creatinine kinase level. RESULTS The study includes 26 patients (19 DM, 7 PM). The age of diagnosis was 42.04 ± 15.22 years; the follow-up duration was 64.84 ± 71.91 months. The mean corticosteroid dose decreased from 32.895 ± 24.399 to 8.44 ± 11.29 (p < 0.001). Other treatment methods were methotrexate (n = 18), intravenous immunoglobulin (IVIG) (n = 7), and cyclophosphamide (n = 2). Two patients were lost to follow-up. CONCLUSION Rituximab is shown to be effective in treating myositis along with corticosteroids as well as a corticosteroid-sparing agent in retrospective studies and open-label clinical trials; however, lack of statistical power should be underlined. Long-term decrease in steroid use and decrease in disease activity markers hint the effective use of rituximab as a glucocorticoid-sparing agent as well as its safety with minimal side effects. Key Points • Long-term decrease in steroid use and decrease in disease activity markers hint the effective use of rituximab as a glucocorticoid-sparing agent as well as its safety with minimal side effects.
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Affiliation(s)
- Bugra Han Egeli
- Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey.,Department of Pediatrics, Children's Hospital of Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Sercan Ergun
- Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Arya Cetin
- Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Yahya Kerem Gursoy
- Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Serdal Ugurlu
- Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey.
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43
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Kolb M, Ekert K, Schneider L, Fritz J, Ioanoviciu SD, Henes J, Horger M. The Utility of Shear-Wave Elastography in the Evaluation of Myositis. ULTRASOUND IN MEDICINE & BIOLOGY 2021; 47:2176-2185. [PMID: 34030894 DOI: 10.1016/j.ultrasmedbio.2021.04.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 04/08/2021] [Accepted: 04/10/2021] [Indexed: 06/12/2023]
Abstract
Changes in muscle elasticity are expected in patients with untreated myositis. The purpose of this study was to define the accuracy of shear-wave elastography (SWE) in diagnosing myositis. This case control study included 21 patients (mean age, 49.4 y; 12 women) with myositis who underwent SWE, magnetic resonance imaging (MRI) and biopsy of the involved muscle group. SWE was performed accordingly in a control group (n = 24; mean age, 51.2 y; 8 women). Blood tests consisted of creatine kinase (CK) and aldolase. Two operators performed SWE in longitudinal and transverse planes of muscular fibers, quantifying the mean shear-wave velocity (SWV) and the pattern of stiffness. On MRI, short-TI inversion recovery (STIR) signal hyperintensity and T1 contrast enhancement of muscle was considered diagnostic for myositis. The patient group suffered from different types of myositis (nine patients with polymyositis, eight with dermatomyositis and four with other types of myositis). Blood tests showed significantly increased CK and aldolase values in patients with myositis (p < 0.001 and p < 0.0001). MRI showed a sensitivity of 0.95. In the patient group, the mean SWVs of longitudinal and transverse measurements were 2.8 ± 1.4 m/s and 3.1 ± 1.2 m/s, respectively. In the control group, SWVs were 2.3 ± 0.5 m/s and 2.4 ± 0.5 m/s, respectively. The difference between transverse measurements was significant (p = 0.02). Increased heterogeneity as a marker for myositis in transverse SWE showed a sensitivity of 0.8, specificity of 0.79, positive predictive value (PPV) of 0.76 and negative predictive value (NPV) of 0.82. Inter-observer difference was very low (κ = 0.92). Increased heterogeneity in both planes compared with histologic results showed a sensitivity of 0.56, specificity of 0.93, PPV of 0.91 and NPV of 0.62. Spearman correlation between CK <1000 U/L and SWE was 0.54. In conclusion, transverse orientation SWE may serve as an imaging biomarker for the diagnosis of myositis through the display of a heterogeneous pattern and increased absolute SWV values of inflamed muscles.
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Affiliation(s)
- Manuel Kolb
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany.
| | - Kaspar Ekert
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
| | - Luisa Schneider
- Department of Internal Medicine II, Eberhard-Karls-University, Tübingen, Germany
| | - Jan Fritz
- Johns Hopkins University School of Medicine, Russell H. Morgan Department of Radiology and Radiological Science, Baltimore, Maryland, USA
| | | | - Jörg Henes
- Department of Internal Medicine II, Eberhard-Karls-University, Tübingen, Germany
| | - Marius Horger
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
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Kuwada T, Shiokawa M, Kodama Y, Ota S, Kakiuchi N, Nannya Y, Yamazaki H, Yoshida H, Nakamura T, Matsumoto S, Muramoto Y, Yamamoto S, Honzawa Y, Kuriyama K, Okamoto K, Hirano T, Okada H, Marui S, Sogabe Y, Morita T, Matsumori T, Mima A, Nishikawa Y, Ueda T, Matsumura K, Uza N, Chiba T, Seno H. Identification of an Anti-Integrin αvβ6 Autoantibody in Patients With Ulcerative Colitis. Gastroenterology 2021; 160:2383-2394.e21. [PMID: 33582126 DOI: 10.1053/j.gastro.2021.02.019] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 01/12/2021] [Accepted: 02/09/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIMS Ulcerative colitis is the most frequent type of inflammatory bowel disease and is characterized by colonic epithelial cell damage. Although involvement of autoimmunity has been suggested in ulcerative colitis, specific autoantigens/antibodies have yet to be elucidated. METHODS Using 23 recombinant integrin proteins, we performed enzyme-linked immunosorbent assays on sera from patients with ulcerative colitis and controls. Integrin expression and IgG binding in the colon tissues of patients with ulcerative colitis and controls were examined using immunofluorescence and coimmunoprecipitation, respectively. The blocking activity of autoantibodies was examined using solid-phase binding and cell adhesion assays. RESULTS Screening revealed that patients with ulcerative colitis had IgG antibodies against integrin αvβ6. In the training and validation groups, 103 of 112 (92.0%) patients with ulcerative colitis and only 8 of 155 (5.2%) controls had anti-integrin αvβ6 antibodies (P < .001), resulting in a sensitivity of 92.0% and a specificity of 94.8% for diagnosing ulcerative colitis. Anti-integrin αvβ6 antibody titers coincided with ulcerative colitis disease activity, and IgG1 was the major subclass. Patient IgG bound to the integrin αvβ6 expressed on colonic epithelial cells. Moreover, IgG of patients with ulcerative colitis blocked integrin αvβ6-fibronectin binding through an RGD (Arg-Gly-Asp) tripeptide motif and inhibited cell adhesion. CONCLUSIONS A significant majority of patients with ulcerative colitis had autoantibodies against integrin αvβ6, which may serve as a potential diagnostic biomarker with high sensitivity and specificity.
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Affiliation(s)
- Takeshi Kuwada
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Masahiro Shiokawa
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Yuzo Kodama
- Department of Gastroenterology, Kobe University Graduate School of Medicine, Hyogo, Japan
| | - Sakiko Ota
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Nobuyuki Kakiuchi
- Department of Pathology and Tumor Biology, Kyoto University, Kyoto, Japan
| | - Yasuhito Nannya
- Department of Pathology and Tumor Biology, Kyoto University, Kyoto, Japan
| | - Hajime Yamazaki
- Department of Community Medicine, Kyoto University Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroyuki Yoshida
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Takeharu Nakamura
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shimpei Matsumoto
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuya Muramoto
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Shuji Yamamoto
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yusuke Honzawa
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Katsutoshi Kuriyama
- Department of Gastroenterology and Hepatology, Shiga General Hospital, Shiga, Japan
| | - Kanako Okamoto
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tomonori Hirano
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Hirokazu Okada
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Saiko Marui
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yuko Sogabe
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Toshihiro Morita
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tomoaki Matsumori
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Atsushi Mima
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Yoshihiro Nishikawa
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tatsuki Ueda
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kazuyoshi Matsumura
- Department of Gastroenterology and Hepatology, Shiga General Hospital, Shiga, Japan
| | - Norimitsu Uza
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Tsutomu Chiba
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan; Kansai Electric Power Hospital, Osaka, Japan
| | - Hiroshi Seno
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, Kyoto, Japan
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Preusse C, Eede P, Heinzeling L, Freitag K, Koll R, Froehlich W, Schneider U, Allenbach Y, Benveniste O, Schänzer A, Goebel HH, Stenzel W, Radke J. NanoString technology distinguishes anti-TIF-1γ + from anti-Mi-2 + dermatomyositis patients. Brain Pathol 2021; 31:e12957. [PMID: 34043263 PMCID: PMC8412076 DOI: 10.1111/bpa.12957] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 12/19/2022] Open
Abstract
Dermatomyositis (DM) is a systemic idiopathic inflammatory disease affecting skeletal muscle and skin, clinically characterized by symmetrical proximal muscle weakness and typical skin lesions. Recently, myositis-specific autoantibodies (MSA) became of utmost importance because they strongly correlate with distinct clinical manifestations and prognosis. Antibodies against transcription intermediary factor 1γ (TIF-1γ) are frequently associated with increased risk of malignancy, a specific cutaneous phenotype and limited response to therapy in adult DM patients. Anti-Mi-2 autoantibodies, in contrast, are typically associated with classic DM rashes, prominent skeletal muscle weakness, better therapeutic response and prognosis, and less frequently with cancer. Nevertheless, the sensitivity of autoantibody testing is only moderate, and alternative reliable methods for DM patient stratification and prediction of cancer risk are needed. To further investigate these clinically distinct DM subgroups, we herein analyzed 30 DM patients (n = 15 Mi-2+ and n = 15 TIF-1 γ+ ) and n = 8 non-disease controls (NDC). We demonstrate that the NanoString technology can be used as a very sensitive method to clearly differentiate these two clinically distinct DM subgroups. Using the nCounter PanCancer Immune Profiling Panel™, we identified a set of significantly dysregulated genes in anti-TIF-1γ+ patient muscle biopsies including VEGFA, DDX58, IFNB1, CCL5, IL12RB2, and CD84. Investigation of type I IFN-regulated transcripts revealed a striking type I interferon signature in anti-Mi-2+ patient biopsies. Our results help to stratify both subgroups and predict, which DM patients require an intensified diagnostic procedure and might have a poorer outcome. Potentially, this could also have implications for the therapeutic approach.
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Affiliation(s)
- Corinna Preusse
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,Department of Neurology with Institute for Translational Neurology, Münster University Hospital (UKM), Münster, Germany
| | - Pascale Eede
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Lucie Heinzeling
- Department of Dermatology, University Hospital of Erlangen, Erlangen, Germany.,Department of Dermatology, LMU, Munich, Germany
| | - Kiara Freitag
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,German Center for Neurodegenerative Diseases (DZNE) within the Helmholtz Association, Berlin, Germany
| | - Randi Koll
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,German Cancer Consortium (DKTK), Berlin, Germany
| | - Waltraud Froehlich
- Department of Dermatology, University Hospital of Erlangen, Erlangen, Germany
| | - Udo Schneider
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Yves Allenbach
- Department of Internal Medicine and Clinical Immunology, Sorbonne Université, Pitié-Salpêtrière University Hospital, Paris, France
| | - Olivier Benveniste
- Department of Internal Medicine and Clinical Immunology, Sorbonne Université, Pitié-Salpêtrière University Hospital, Paris, France
| | - Anne Schänzer
- Department of Neuropathology, Justus Liebig Universität Giessen, Giessen, Germany
| | - Hans-Hilmar Goebel
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Werner Stenzel
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Josefine Radke
- Department of Neuropathology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany.,German Cancer Consortium (DKTK), Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
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Liu D, Xiao Y, Zhou B, Gao S, Li L, Zhao L, Chen W, Dai B, Li Q, Duan H, Zuo X, Luo H, Zhu H. PKM2-dependent glycolysis promotes skeletal muscle cell pyroptosis by activating the NLRP3 inflammasome in dermatomyositis/polymyositis. Rheumatology (Oxford) 2021; 60:2177-2189. [PMID: 33165604 DOI: 10.1093/rheumatology/keaa473] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 05/19/2020] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVES Muscle cell necrosis is the most common pathological manifestation of idiopathic inflammatory myopathies. Evidence suggests that glycolysis might participate in it. However, the mechanism is unclear. This study aimed to determine the role of glycolysis in the muscle damage that occurs in DM/PM. METHODS Mass spectrometry was performed on muscle lesions from DM/PM and control subjects. The expression levels of pyruvate kinase isozyme M2 (PKM2), the nucleotide-binding and oligomerization domain-like receptor family pyrin domain containing 3 (NLRP3) inflammasome and pyroptosis-related genes in muscle tissues or plasma were determined by real-time PCR, western blot analysis, IF and ELISA. In addition, IFNγ was used to stimulate myotubes, and the relationships among PMK2 expression, NLRP3 inflammasome activation and pyroptosis were investigated. RESULTS Mass spectrometry and bioinformatics analysis suggested that multiple glycolysis processes, the NLRP3 inflammasome and programmed cell death pathway-related proteins were dysregulated in the muscle tissues of DM/PM. PKM2 and the NLRP3 inflammasome were upregulated and positively correlated in the muscle fibres of DM/PM. Moreover, the pyroptosis-related proteins were increased in muscle tissues of DM/PM and were further increased in PM. The levels of PKM2 in muscle tissues and IL-1β in plasma were high in patients with anti-signal recognition particle autoantibody expression. The pharmacological inhibition of PKM2 in IFNγ-stimulated myotubes attenuated NLRP3 inflammasome activation and subsequently inhibited pyroptosis. CONCLUSION Our study revealed upregulated glycolysis in the lesioned muscle tissues of DM/PM, which activated the NLRP3 inflammasome and leaded to pyroptosis in muscle cells. The levels of PKM2 and IL-1β were high in patients with anti-signal recognition particle autoantibody expression. These proteins might be used as new biomarkers for muscle damage.
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Affiliation(s)
- Di Liu
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Yizhi Xiao
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Bin Zhou
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao
| | - Siming Gao
- Department of Rheumatology and Immunology, Beijing Jishuitan Hospital, Beijing
| | - Liya Li
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Lijuan Zhao
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Weilin Chen
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Bingying Dai
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Qiuxiang Li
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Huiqian Duan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoxia Zuo
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Hui Luo
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
| | - Honglin Zhu
- Department of Rheumatology and Immunology, Xiangya Hospital
- Institute of Rheumatology and Immunology, Central South University, Changsha
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Texture analysis of muscle MRI: machine learning-based classifications in idiopathic inflammatory myopathies. Sci Rep 2021; 11:9821. [PMID: 33972636 PMCID: PMC8110584 DOI: 10.1038/s41598-021-89311-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 04/15/2021] [Indexed: 12/15/2022] Open
Abstract
To develop a machine learning (ML) model that predicts disease groups or autoantibodies in patients with idiopathic inflammatory myopathies (IIMs) using muscle MRI radiomics features. Twenty-two patients with dermatomyositis (DM), 14 with amyopathic dermatomyositis (ADM), 19 with polymyositis (PM) and 19 with non-IIM were enrolled. Using 2D manual segmentation, 93 original features as well as 93 local binary pattern (LBP) features were extracted from MRI (short-tau inversion recovery [STIR] imaging) of proximal limb muscles. To construct and compare ML models that predict disease groups using each set of features, dimensional reductions were performed using a reproducibility analysis by inter-reader and intra-reader correlation coefficients, collinearity analysis, and the sequential feature selection (SFS) algorithm. Models were created using the linear discriminant analysis (LDA), quadratic discriminant analysis (QDA), support vector machine (SVM), k-nearest neighbors (k-NN), random forest (RF) and multi-layer perceptron (MLP) classifiers, and validated using tenfold cross-validation repeated 100 times. We also investigated whether it was possible to construct models predicting autoantibody status. Our ML-based MRI radiomics models showed the potential to distinguish between PM, DM, and ADM. Models using LBP features provided better results, with macro-average AUC values of 0.767 and 0.714, accuracy of 61.2 and 61.4%, and macro-average recall of 61.9 and 59.8%, in the LDA and k-NN classifiers, respectively. In contrast, the accuracies of radiomics models distinguishing between non-IIM and IIM disease groups were low. A subgroup analysis showed that classification models for anti-Jo-1 and anti-ARS antibodies provided AUC values of 0.646–0.853 and 0.692–0.792, with accuracy of 71.5–81.0 and 65.8–78.3%, respectively. ML-based TA of muscle MRI may be used to predict disease groups or the autoantibody status in patients with IIM and is useful in non-invasive assessments of disease mechanisms.
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Palmer C, Facchini FA, Jones RP, Neumann F, Peri F, Pirianov G. Synthetic glycolipid-based TLR4 antagonists negatively regulate TRIF-dependent TLR4 signalling in human macrophages. Innate Immun 2021; 27:275-284. [PMID: 33858242 PMCID: PMC8054148 DOI: 10.1177/17534259211005840] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
TLRs, including TLR4, play a crucial role in inflammatory-based diseases, and TLR4 has been identified as a therapeutic target for pharmacological intervention. In previous studies, we investigated the potential of FP7, a novel synthetic glycolipid active as a TLR4 antagonist, to inhibit haematopoietic and non-haematopoietic MyD88-dependent TLR4 pro-inflammatory signalling. The main aim of this study was to investigate the action of FP7 and its derivative FP12 on MyD88-independent TLR4 signalling in THP-1 derived macrophages. Western blotting, Ab array and ELISA approaches were used to explore the effect of FP7 and FP12 on TRIF-dependent TLR4 functional activity in response to LPS and other endogenous TLR4 ligands in THP-1 macrophages. A different kinetic in the inhibition of endotoxin-driven TBK1, IRF3 and STAT1 phosphorylation was observed using different LPS chemotypes. Following activation of TLR4 by LPS, data revealed that FP7 and FP12 inhibited TBK1, IRF3 and STAT1 phosphorylation which was associated with down-regulation IFN-β and IP-10. Specific blockage of the IFN type one receptor showed that these novel molecules inhibited TRIF-dependent TLR4 signalling via IFN-β pathways. These results add novel information on the mechanism of action of monosaccharide FP derivatives. The inhibition of the TRIF-dependent pathway in human macrophages suggests potential therapeutic uses for these novel TLR4 antagonists in pharmacological interventions on inflammatory diseases.
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Affiliation(s)
- Charys Palmer
- School of Life Sciences, Anglia Ruskin University, UK
| | - Fabio A Facchini
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Italy
| | | | | | - Francesco Peri
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Italy
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Paudyal A, Zheng M, Lyu L, Thapa C, Gong S, Yang Y, Lyu X. JAK-inhibitors for dermatomyositis: A concise literature review. Dermatol Ther 2021; 34:e14939. [PMID: 33713527 DOI: 10.1111/dth.14939] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 02/21/2021] [Accepted: 03/07/2021] [Indexed: 02/05/2023]
Abstract
Refractory dermatomyositis (DM) is defined as cases that do not show improvement after initial treatment with two different immunosuppressives combined with corticosteroids with or without intravenous immunoglobulins. In recent years, few studies have reported a positive response to the use of Janus kinase inhibitors (JAK-inhibitors) for the treatment of refractory DM. A systematic literature review was performed for articles studying the use of JAK-inhibitors for the treatment of refractory DM. We identified 38 females and 15 males treated with JAK-inhibitors without serious side effects. Tofacitinib was the most frequently used JAK-inhibitor followed by ruxolitinib. Significant improvement in CDASI score, muscle strength, body weight, and skin lesions were reported in most of the studies. The duration of follow-up ranged from 1 to 15 months without relapse. Therefore, the use of JAK-inhibitors looks promising in the treatment of refractory DM and further high volume research may be required to validate the current concept. As only case reports and series were identified without direct comparison for review, there is a potential risk of bias. Despite these limitations, we believe that the result of this analysis allows a better understanding of treatment options for refractory DM and will help generate a hypothesis that can be further tested.
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Affiliation(s)
- Aliza Paudyal
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Ming Zheng
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Ling Lyu
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Christina Thapa
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Shirui Gong
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Yao Yang
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
| | - Xiaoyan Lyu
- Department of Dermatology and Venerology, West China Hospital, Sichuan University, Chengdu, China
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50
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Serum KL-6, CA19-9, CA125 and CEA are Diagnostic Biomarkers for Rheumatoid Arthritis-Associated Interstitial Lung Disease in the Chinese Population. Rheumatol Ther 2021; 8:517-527. [PMID: 33586127 PMCID: PMC7991038 DOI: 10.1007/s40744-021-00288-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 02/03/2021] [Indexed: 12/31/2022] Open
Abstract
Introduction This study aimed to evaluate the role of tumor marker carbohydrate antigen (CA) 125 (CA125), CA19-9, carcinoembryonic antigen (CEA) and Krebs von den Lungen-6 (KL-6) in the diagnosis and determination of the severity of interstitial lung disease (ILD) in rheumatoid arthritis (RA) patients. Methods A retrospective analysis was performed. Fifty RA patients (24 patients with ILD and 26 patients without ILD), 10 healthy subjects and 14 patients with other connective tissue disease-associated interstitial lung disease were included. Serum levels of KL-6 and tumor markers CA19-9, CA125 and CEA were measured. Chest HRCT of patients with ILD was scored quantitatively according to the degree of fibrosis. Data on the C-reactive protein, erythrocyte sedimentation rate, rheumatoid factors and anti-cyclic peptide containing citrulline (anti-CCP) were also collected. Results Serum levels of KL-6, CA19-9, CA125 and CEA in the RA-ILD group were significantly higher than those in the RA-no-ILD group. The serum KL-6 level was positively correlated with the HRCT fibrosis score (r = 0.63, p = 0.002). The logistic regression analysis showed that CA19-9 and smoking were associated with RA-ILD [OR = 1.118, 95% CI = (1.038, 1.204), p = 0.003 for CA19-9, OR = 14.969, 95% CI = (1.750, 128.043), p = 0.013 for smoking]. Conclusions KL-6 level and tumor markers were elevated in RA-ILD, and strongly associated with the severity of ILD, supporting their value as pathogenically relevant biomarkers, which can contribute to noninvasive detection of this extra-articular disease complication. Interstitial lung disease (ILD) is a common pulmonary manifestation of RA associated with high morbidity and mortality. Our retrospective study was performed to investigate the clinical utility of tumor marker carbohydrate antigen (CA) 125 (CA125), CA19-9, carcinoembryonic antigen (CEA) and Krebs von den Lungen-6 (KL-6) in the diagnosis and determining the severity of RA-ILD. Fifty RA patients (24 patients with ILD and 26 patients without ILD), 10 healthy subjects and 14 patients with other connective tissue disease-associated interstitial lung disease (CTD-ILD) were included. The results showed KL-6 level and tumor markers were elevated in RA-ILD, and strongly associated with the severity of ILD, which meant KL-6 and tumor markers might be useful pathogenically relevant biomarkers and could be predictors for the diagnosis and determination of severity of ILD in RA.
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