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https://www.readbyqxmd.com/read/29162227/anti-mda5-positive-dermatomyositis-a-description-of-the-cutaneous-and-systemic-manifestations-in-2-cases
#1
N Barrientos, J J Sicilia, M J Moreno de Vega, J D Dominguez
No abstract text is available yet for this article.
November 18, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29106035/genetic-association-of-hla-drb1-multiple-polymorphisms-with-dermatomyositis-in-chinese-population
#2
Lin Jinming, Zhang Yongbiao, Qinglin Peng, Hanbo Yang, Jingli Shi, Mingliang Gu, Wenming Zhao, Guochun Wang
Genetic variation in human leukocyte antigen (HLA) plays an important role in the pathogenesis of dermatomyositis (DM). The aim of this study was to investigate the association of HLA class II with DM in China. 224 DM patients and 300 healthy controls were randomly enrolled at China-Japan Friendship Hospital. High resolution typing of HLA-DRB1 alleles was performed by sequencing based typing (SBT). The HLA-DQA1 and HLA-DQB1 alleles were determined by PCR sequence-specific primers (SSP). The frequencies of HLA-DRB1*09:01 (28...
November 6, 2017: HLA
https://www.readbyqxmd.com/read/29100298/assessment-of-anti-mda5-antibody-as-a-diagnostic-biomarker-in-patients-with-dermatomyositis-associated-interstitial-lung-disease-or-rapidly-progressive-interstitial-lung-disease
#3
Liubing Li, Qian Wang, Xiaoting Wen, Chenxi Liu, Chanyuan Wu, Funing Yang, Xiaofeng Zeng, Yongzhe Li
Anti-melanoma differentiation-associated protein 5 (MDA5) antibody have been found in dermatomyositis (DM)-associated interstitial lung disease (DM-ILD) and DM-associated rapidly progressive ILD (DM-RPILD). Due to the conflicting results regarding the association between anti-MDA5 antibody and DM-ILD or DM-RPILD and the diagnostic value of this antibody for DM-ILD and DM-RPILD, we performed this meta-analysis. A systematic search was performed to identify studies published to January 14, 2017. Sixteen publications with 491 DM with ILD versus 605 DM without ILD, as well as eighteen publications with 186 DM with RPILD and 790 DM without RPILD were included...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29093381/the-serum-ferritin-level-is-associated-with-the-treatment-responsivity-for-rapidly-progressive-interstitial-lung-disease-with-amyopathic-dermatomyositis-irrespective-of-the-anti-mda5-antibody-level-a-case-report
#4
Takeshi Osawa, Kozo Morimoto, Yuka Sasaki, Shuichi Matsuda, Kazunari Yamana, Ryozo Yano, Takashi Uchiyama, Hajime Goto
We herein report he case of a 61-year-old woman with rapidly progressive interstitial lung disease caused by clinically amyopathic dermatomyositis. Both the serum ferritin and anti-MDA5 antibody levels were elevated at the time of admission. Despite intensive treatment with corticosteroids, immunosuppressants, immunoglobulins and polymyxin B direct hemoperfusion, the patient died 75 days after symptom onset. Over the course of treatment, the anti-MDA5 antibody level continually decreased, while the serum ferritin level increased, suggesting that sequential measurements of the serum ferritin level might be useful for evaluating the treatment responsivity, irrespective of the anti-MDA5 antibody level...
November 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29065773/describing-and-expanding-the-clinical-phenotype-of-anti-mda5-associated-rapidly-progressive-interstitial-lung-disease-case-series-of-nine-canadian-patients-and-literature-review
#5
S Hoa, Y Troyanov, M J Fritzler, I N Targoff, S Chartrand, A M Mansour, E Rich, H Boudabbouz, J Bourré-Tessier, M Albert, J R Goulet, M Landry, J L Senécal
OBJECTIVE: To describe and expand the phenotype of anti-MDA5-associated rapidly progressive interstitial lung disease (MDA5-RPILD) in Canadian patients. METHOD: All proven cases of MDA5-RPILD hospitalized in the University of Montreal's affiliated centres from 2004 to 2015 were selected for inclusion. RESULTS: Of nine consecutive patients, RPILD was the presenting manifestation in seven, whereas two patients developed RPILD 2 years after the onset of arthritis and of chronic interstitial lung disease...
October 25, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29043891/rapidly-progressive-interstitial-lung-disease-in-a-patient-with-anti-mda5-positive-amyopathic-dermatomyositis
#6
A Nandy, S Gaïni, P Sore
No abstract text is available yet for this article.
October 18, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28983955/associations-between-anti-melanoma-differentiation-associated-gene-5-antibody-and-demographics-clinical-characteristics-and-laboratory-results-of-patients-with-dermatomyositis-a-systematic-meta-analysis
#7
Ju Li, Yan Liu, Yongsheng Li, Fang Li, Kai Wang, Wenyou Pan, Deqian Meng
Anti-melanoma differentiation-associated gene 5 (MDA5) antibody is a specific biomarker in patients with dermatomyositis (DM). Results from several studies that examined the relationship between anti-MDA5 antibody and the demographics, clinical characteristics and laboratory results of DM patients have been conflicting. The purpose of this study was to identify the relationship, if any, of anti-MDA5 antibody with demographics, clinical characteristics and laboratory results of DM patients. PubMed, Web of Science, Embase and the Cochrane Library databases were searched for studies without language restrictions conducted before 16 March 2017...
October 6, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28946702/astragalus-polysaccharide-protect-against-cadmium-induced-cytotoxicity-through-the-mda5-nf-%C3%AE%C2%BAb-pathway-in-chicken-peripheral-blood-lymphocytes
#8
Wanqiu Xie, Ming Ge, Guangxing Li, Linan Zhang, Zequn Tang, Ruyue Li, Ruili Zhang
Cadmium (Cd) is a known environmental pollutant that is associated with inflammation, oxidative stress, and cell apoptosis. Astragalus polysaccharide (APS) is a major component of Astragalus membranaceus, a vital qi-reinforcing herb medicine with favorable immuneregulation properties. To study the effect of APS on the inhibition of the cadmium-induced injury of peripheral blood lymphocytes (PBLs) in chickens through the MDA5/NF-κB signaling pathway, PLBs acquired from 15-day-old chickens were divided into control group, Cd group, APS + Cd group, anti-MDA5 mAb + Cd group, BAY 11-7082 (a nuclear factor kappa-light chain-enhancer of activated B cells [NF-κB] inhibitor) +Cd group, APS group, anti-MDA5 mAb group, and BAY 11-7082 group...
September 25, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28842784/neutrophil-extracellular-traps-may-contribute-to-interstitial-lung-disease-associated-with-anti-mda5-autoantibody-positive-dermatomyositis
#9
Yun Peng, Suhan Zhang, Yi Zhao, Yi Liu, Bing Yan
In dermatomyositis (DM), anti-melanoma differentiation-associated gene 5 (MDA5) autoantibody (autoAb) marks a subtype with low grade or absent muscle inflammation but frequent and rapidly progressive interstitial lung disease (ILD). The pathogenesis of ILD remains poorly unknown. The aim of the study is to explore whether neutrophil extracellular traps (NETs) are involved in the development of ILD in DM patients with anti-MDA5 autoAb. Patients with clinically amyopathic dermatomyositis (CADM, n = 20), classic dermatomyositis (cDM, n = 30), polymyositis (PM, n = 20), and healthy controls (HC, n = 20) were enrolled...
August 25, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28795873/anti-mda5-positive-dermatomyositis-an-emerging-entity-with-a-variable-clinical-presentation
#10
V Ortiz-Santamaria, A Babot, C Ferrer
No abstract text is available yet for this article.
August 10, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/28722667/assessment-of-anti-mda5-antibody-as-a-diagnostic-biomarker-in-patients-with-dermatomyositis-associated-interstitial-lung-disease-or-rapidly-progressive-interstitial-lung-disease
#11
Liubing Li, Qian Wang, Xiaoting Wen, Chenxi Liu, Chanyuan Wu, Funing Yang, Xiaofeng Zeng, Yongzhe Li
Anti-melanoma differentiation-associated protein 5 (MDA5) antibody have been found in dermatomyositis (DM)-associated interstitial lung disease (DM-ILD) and DM-associated rapidly progressive ILD (DM-RPILD). Due to the conflicting results regarding the association between anti-MDA5 antibody and DM-ILD or DM-RPILD and the diagnostic value of this antibody for DM-ILD and DM-RPILD, we performed this meta-analysis. A systematic search was performed to identify studies published to January 14, 2017. Sixteen publications with 491 DM with ILD versus 605 DM without ILD, as well as eighteen publications with 186 DM with RPILD and 790 DM without RPILD were included...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28711882/hla-drb1-alleles-as-genetic-risk-factors-for-the-development-of-anti-mda5-antibodies-in-patients-with-dermatomyositis
#12
Zhiyong Chen, Yan Wang, Masataka Kuwana, Xue Xu, Wei Hu, Xuebing Feng, Hong Wang, Akinori Kimura, Lingyun Sun
OBJECTIVE: Patients with polymyositis/dermatomyositis (PM/DM) who express anti-melanoma differentiation associated protein 5 (anti-MDA5) antibodies frequently present with interstitial lung disease (ILD). The aim of this study was to investigate the association of HLA-DRB1 with anti-MDA5 expression in PM/DM. METHODS: The frequency of DRB1 alleles was compared among 70 patients with PM, 104 patients with DM, and 400 healthy controls in a Han Chinese population. RESULTS: Frequencies of DRB1*04:01 [17...
July 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28668260/-amyopathic-dermatomyositis-dm-with-anti-mda5-antibodies-associated-with-bullous-pemphigoid-sj%C3%A3-gren-syndrome-and-gastric-malt-lymphoma
#13
B Garcia, F Dabouz, L Pascal, M Gillard, P Modiano
BACKGROUND: The inflammatory myopathies are a heterogeneous group of muscle diseases and comprise polymyositis, dermatomyositis (DM), myopathies associated with cancers, necrotising myositis and inclusion body myositis. DM occasionally exhibits few or no muscular signs: i.e. hypomyopathic/amyopathic DM. Anti-MDA5 dermatomyositis (DM) is a rare form of dermatomyositis that is frequently amyopathic; the prognosis is linked mainly to pulmonary involvement. PATIENTS AND METHODS: A 69-year-old woman treated for mucosa-associated lymphoid tissue (MALT) gastric lymphoma was referred for a bullous eruption...
October 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28566605/dermatomyositis-with-rapidly-progressive-interstitial-lung-disease-treated-with-rituximab-a-report-of-3-cases-in-japan
#14
Kenichiro Tokunaga, Noboru Hagino
We performed a retrospective chart review of three patients with hypomyopathic dermatomyositis and rapidly progressive interstitial lung disease. The patients were Japanese women of 71, 69, and 65 years of age. Two patients were anti-melanoma differentiation-associated gene 5 (anti-MDA5) antibody-positive and 1 was anti-aminoacyl-tRNA synthetase (anti-ARS) antibody-positive. Their respiratory statuses deteriorated despite the administration of glucocorticoid, calcineurin inhibitors, and intravenous cyclophosphamide therapy...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28499006/clinical-characteristics-and-change-in-the-antibody-titres-of-patients-with-anti-mda5-antibody-positive-inflammatory-myositis
#15
Yoshiyuki Abe, Masakazu Matsushita, Kurisu Tada, Ken Yamaji, Yoshinari Takasaki, Naoto Tamura
Objective: The aim of this study was to evaluate the clinical characteristics of patients with anti-melanoma differentiation-associated gene 5 (MDA5) antibody-positive inflammatory myositis, and the change in anti-MDA5 antibody titres before and after onset. Method: For 105 PM/DM patients, newly diagnosed in our hospital within the period 2008-2016, serum anti-MDA5 antibody levels were measured at diagnosis and after treatment by ELISA using the MESACUP anti-MDA5 test...
September 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28490218/evaluation-of-clinical-prognostic-factors-for-interstitial-pneumonia-in-anti-mda5-antibody-positive-dermatomyositis-patients
#16
Youhei Fujiki, Takuya Kotani, Kentaro Isoda, Takaaki Ishida, Takeshi Shoda, Shuzo Yoshida, Tohru Takeuchi, Shigeki Makino
OBJECTIVES: We retrospectively investigated clinical prognostic factors for interstitial pneumonia (IP) in anti-melanoma differentiation-associated gene 5 (MDA5) antibody (Ab)-positive dermatomyositis (DM) patients. METHODS: Subjects comprised 18 patients with anti-MDA5 Ab-positive DM-IP (9 survivors; 9 deaths). RESULTS: Initial serum albumin levels, ferritin levels, and ground-glass opacity (GGO) scores in the right middle lobes were significantly higher in the death group than in the survivor group (p = ...
May 11, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28480196/mda5-autoantibody-another-indicator-of-clinical-diversity-in-dermatomyositis
#17
REVIEW
Richard D Sontheimer
Allenbach and colleagues have recently reported for the first time the results of an intriguing study of the histopathologic, immunopathologic and gene expression differences in muscle biopsy tissue from adult dermatomyositis (DM) patients who do and do not have circulating MDA5 autoantibodies (anti-MDA5). Anti-MDA5 were originally identified in a clinically-defined subset of DM patients whose disease was expressed predominately in the skin for unusually long periods of time without accompanying muscle weakness [i...
April 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28460448/anti-mda5-antibody-as-a-potential-diagnostic-and-prognostic-biomarker-in-patients-with-dermatomyositis
#18
Liubing Li, Qian Wang, Funing Yang, Chanyuan Wu, Si Chen, Xiaoting Wen, Chenxi Liu, Yongzhe Li
The presence of anti-MDA5 antibodies in serum represents an important biomarker in the diagnosis and prediction of prognosis for patients with idiopathic inflammatory myopathies (IIMs). Due to conflicting results that have been reported regarding the detection of anti-MDA5 antibodies, the goal of this study was to assess a potential association between the presence of anti-MDA5 antibodies and dermatomyositis/polymyositis (DM/PM), as well as the diagnostic and prognostic values of anti-MDA5 antibodies for DM/PM...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28451794/comparison-of-long-term-prognosis-and-relapse-of-dermatomyositis-complicated-with-interstitial-pneumonia-according-to-autoantibodies-anti-aminoacyl-trna-synthetase-antibodies-versus-anti-melanoma-differentiation-associated-gene-5-antibody
#19
Kentaro Isoda, Takuya Kotani, Tohru Takeuchi, Takao Kiboshi, Kenichiro Hata, Takaaki Ishida, Kenichiro Otani, Takao Kamimori, Hiroshi Fujiwara, Takeshi Shoda, Shigeki Makino
The aim of this study was to investigate long-term prognosis and relapse of dermatomyositis complicated with interstitial pneumonia (DMIP) according to anti-aminoacyl tRNA synthetase (ARS) antibodies and anti-melanoma differentiation-associated gene 5 (MDA5) antibody. This retrospective study comprised 36 patients with DMIP who were divided into the anti-ARS antibody-positive group (ARS+) (n = 12), anti MDA5 antibody-positive group (MDA5+) (n = 11), double-negative group (ARS-/MDA5-) (n = 11), and double-positive group (ARS+/MDA5+) (n = 1)...
August 2017: Rheumatology International
https://www.readbyqxmd.com/read/28384112/inflammatory-myopathies-with-cutaneous-involvement-from-diagnosis-to-therapy
#20
REVIEW
Lyubomir A Dourmishev
The group of idiopathic inflammatory myopathies (IIM) include various disorders of skeletal muscles with or without skin involvement. The most common types are dermatomyositis (DM), polymyositis (PM), inclusion body myositis (IBM) and necrotizing autoimmune myopathy (NAM). Dermatomyositis subdivides into various clinical forms such as juvenile, amyopathic or paraneoplastic dermatomyositis, scleromyositis, overlap or anti-synthetase syndromes, etc. Recently, numerous new antibodies defining the characteristic clinical phenotype have been described as anti-MDA5 antibodies associated with interstitial lung disease and amyopathic dermatomyositis or anti-TIF1γ antibodies as markers for paraneoplastic dermatomyositis...
March 1, 2017: Folia Medica
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