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Sabrina Anh-Tu Hoa, Marie Hudson
OBJECTIVE: The aim of this review was to summarize key findings from the literature concerning the therapeutic role of intravenous immunoglobulins (IVIg) in idiopathic inflammatory myopathies (IIM), dissecting the evidence according to disease subtype and treatment indication, and to review the evidence relating to the mechanism of action of IVIg in IIM to ascertain rationale for continued research. METHODS: Medline (Ovid) and Pubmed databases were searched from inception to July 2016 using relevant keywords...
July 29, 2016: Seminars in Arthritis and Rheumatism
Benedikt Schaefer, Philipp Würtinger, Armin Finkenstedt, Vickie Braithwaite, André Viveiros, Maria Effenberger, Irene Sulzbacher, Alexander Moschen, Andrea Griesmacher, Herbert Tilg, Wolfgang Vogel, Heinz Zoller
BACKGROUND: Ferric carboxymaltose (FCM) and iron isomaltoside 1000 (IIM) are increasingly used because they allow correction of severe iron deficiency in a single infusion. A transient decrease in serum phosphate concentrations is a frequent side effect of FCM. AIM: To characterize this adverse event and search for its predictors in a gastroenterology clinic patient cohort. METHODS: Electronic medical records of patients attending the University Hospital of Innsbruck were searched for the keywords ferric carboxymaltose or iron isomaltoside...
2016: PloS One
Yizhi Xiao, Hui Luo, Bin Zhou, Xiaodan Dai, Jing Huang, Liping Duan, Yunhui You, Weiru Zhang, Hongjun Zhao, Yanli Xie, Yaou Zhou, Wangbin Ning, Tong Li, Sijia Liu, Honglin Zhu, Xiaoyun Xie, Ying Jiang, Shiyao Wu, Weijia He, Yisha Li
The aim of the study was to measure the diagnostic values of biomarkers of bacterial infection in idiopathic inflammatory myopathy (IIM) patients. The serum and clinical data of 82 IIM patients with/without bacterial infection were collected. Concentrations of soluble urokinase plasminogen activator receptor (suPAR), soluble triggering receptor expressed on myeloid cells 1 (sTREM-1), procalcitonin (PCT) and C-reactive protein (CRP) were measured in IIM patients and healthy controls. There were no significant differences in serum suPAR and sTREM-1 levels between healthy controls and non-infection IIM patients...
November 22, 2016: Rheumatology International
Thomas Schwartz, Louise Pyndt Diederichsen, Ingrid E Lundberg, Ivar Sjaastad, Helga Sanner
Idiopathic inflammatory myopathies (IIM) include the main subgroups polymyositis (PM), dermatomyositis (DM), inclusion body myositis (IBM) and juvenile DM (JDM). The mentioned subgroups are characterised by inflammation of skeletal muscles leading to muscle weakness and other organs can also be affected as well. Even though clinically significant heart involvement is uncommon, heart disease is one of the major causes of death in IIM. Recent studies show an increased prevalence of traditional cardiovascular risk factors in JDM and DM/PM, which need attention...
2016: RMD Open
Sébastien Sanges, Cécile M Yelnik, Olivier Sitbon, Olivier Benveniste, Kuberaka Mariampillai, Mathilde Phillips-Houlbracq, Christophe Pison, Christophe Deligny, Jocelyn Inamo, Vincent Cottin, Luc Mouthon, David Launay, Marc Lambert, Pierre-Yves Hatron, Laurence Rottat, Marc Humbert, Eric Hachulla
Occurrence of pulmonary arterial hypertension (PAH) in idiopathic inflammatory myopathies (IIMs) without extensive interstitial lung disease (ILD) has rarely been described in the medical literature. This study aimed to report all cases with association of PAH and IIM in the French Pulmonary Hypertension (PH) Registry, to identify IIM features associated with the presence of PAH, and to describe treatment modalities of these patients.All cases of IIM-PAH were retrieved from the French PH Registry, which gathers PH patients prospectively enrolled by 27 referral hospital centers across France...
September 2016: Medicine (Baltimore)
Jessica Day, Sophia Otto, Susanna Proudman, John D Hayball, Vidya Limaye
The idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of systemic muscle conditions that are believed to be autoimmune in nature. They have distinct pathological features, but the aetiopathogenesis of each subtype remains largely unknown. Recently, there has been increased interest in the complex role the innate immune system plays in initiating and perpetuating these conditions, and how this may differ between subtypes. This article summarises the traditional paradigms of IIM pathogenesis and reviews the accumulating evidence for disturbances in innate immune processes in these rare, but debilitating chronic conditions...
September 22, 2016: Autoimmunity Reviews
Thomas Khoo, Sophia Otto, Caroline Smith, Barbara Koszyca, Sue Lester, Peter Blumbergs, Vidya Limaye
The clinical significance of curvilinear bodies (CB) seen in association with hydroxychloroquine (HCQ) therapy is uncertain. Patients with CB on muscle biopsy performed between 2006 and the present were identified, and their clinical features including body mass index and cumulative HCQ dose were recorded. A control group of 16 patients with idiopathic inflammatory myositis (IIM) on HCQ at time of biopsy but without evidence of CB was identified. Nineteen patients with CB were identified; details were available for 18...
September 14, 2016: Clinical Rheumatology
Rahul Sehgal, Rafael Medina-Flores, Ralph Yachoui, Charles Kenney
Immune mediated necrotizing myopathy (IMNM) is a unique form of myositis that is characterized by distinct muscle biopsy features including abundant myofiber necrosis, degeneration, and regeneration with only minimal, if any, inflammation on muscle biopsy. IMNM is clinically similar to idiopathic inflammatory myopathy (IIM); hence, muscle biopsy is essential to diagnose IMNM. Herein we describe a case of neck extensor weakness due to necrotizing myopathy. Isolated weakness of the neck extensor muscles is uncommon in IIM and IMNM...
August 29, 2016: Clinical Medicine & Research
Salyan Bhattarai, Khetam Ghannam, Sabine Krause, Olivier Benveniste, Andreas Marg, Gerjan de Bruin, Bo-Tao Xin, Hermen S Overkleeft, Simone Spuler, Werner Stenzel, Eugen Feist
Idiopathic inflammatory myopathies (IIMs) are diseases with muscle weakness, morphologically characterized by inflammatory infiltration and increased expression of MHC class I molecule on myofibers. Immunoproteasome, as a proteolytic complex that shapes the repertoire of antigenic peptides, has been previously demonstrated to be over-expressed in IIMs at mRNA level. In this study, we investigated the expression and the function of the immunoproteasome in IIMs in more detail. As shown by immunofluorescence staining, expression of relevant players of the immunoproteasome was detectable in the inflamed skeletal muscle tissue from IIM patients...
August 10, 2016: Journal of Autoimmunity
Valérie Leclair, Malin Regardt, Sophie Wojcik, Marie Hudson
Health-related quality of life (HRQoL) is a research priority in chronic diseases. We undertook a systematic review (registration #CRD42015024939) to identify, appraise and synthesize the evidence relating to HRQoL in idiopathic inflammatory myopathies (IIM). A comprehensive search was conducted in August 2015 using CINAHL, EMBase and Pubmed to identify studies reporting original data on HRQoL in IIM using generic HRQoL instruments. Characteristics of samples and results from selected studies were extracted and appraised using a standardized approach...
2016: PloS One
Liguo Yin, Yongpeng Ge, Hanbo Yang, Qinglin Peng, Xin Lu, Yamei Zhang, Guochun Wang
The objectives of this study are to assess the levels of serum Interleukin-35 (IL-35) in patients with idiopathic inflammatory myopathies (IIMs) and to evaluate the association between IL-35 levels and IIM-related features. Serum IL-35 was detected in 76 patients with dermatomyositis (DM), 28 patients with polymyositis (PM), 98 disease controls (40 rheumatoid arthritis (RA), 34 systemic lupus erythematosus (SLE), 12 systemic sclerosis (SSc), and 12 sjogren syndrome (SS)), and 43 healthy controls by ELISA. Follow-up was conducted on 34 patients...
November 2016: Clinical Rheumatology
Clothilde Martel, Guillaume Vignaud, Eric Liozon, Laurent Magy, Gael Gallouedec, Kim Ly, Holly Bezanahary, Anne Cypierre, François-Xavier Lapébie, Sylvain Palat, Guillaume Gondran, Marie-Odile Jauberteau, Anne-Laure Fauchais
OBJECTIVES: Idiopathic inflammatory myopathies (IIM) are heterogeneous autoimmune diseases with wide clinical spectrum that may lead to delayed diagnosis. The aim of this study was to examine the impact of IIM-specific dot-blot assay on diagnostic process of patients presenting with muscular or systemic symptoms evocating of IIM. METHODS: We collected all the prescriptions of an IIM specific dot-blot assay (8 autoantigens including Jo-1, PL-7, PL-12, SRP, Mi-2, Ku, PM/Scl and Scl-70) over a 38-month period...
September 2016: Clinical and Experimental Rheumatology
James Lilleker, Sean Murphy, Robert Cooper
The idiopathic inflammatory myopathies (IIM) are a rare and heterogeneous group of acquired autoimmune muscle disorders, often referred to as 'myositis'. Clinical assessment, together with muscle biopsy findings and autoantibody status are key factors to consider when making a diagnosis of IIM, and in stratification of the 'IIM spectrum' into disease subgroups. Treatment stratified according to serotype (and in the future, likely also genotype) is increasingly being used to take account of the heterogeneity within the IIM spectrum...
August 2016: Therapeutic Advances in Musculoskeletal Disease
Lucile Musset, Yves Allenbach, Olivier Benveniste, Olivier Boyer, Xavier Bossuyt, Chelsea Bentow, Joe Phillips, Andrew Mammen, Philip Van Damme, René Westhovens, Anna Ghirardello, Andrea Doria, May Y Choi, Marvin J Fritzler, Heinrike Schmeling, Yoshinao Muro, Ignacio García-De La Torre, Miguel A Ortiz-Villalvazo, Nicola Bizzaro, Maria Infantino, Tiziana Imbastaro, Qinglin Peng, Guochun Wang, Jiří Vencovský, Martin Klein, Olga Krystufkova, Franco Franceschini, Micaela Fredi, Sophie Hue, Thibaut Belmondo, Katalin Danko, Michael Mahler
In an effort to find naturally occurring substances that reduce cholesterol by inhibiting 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR), statins were first discovered by Endo in 1972. With the widespread prescription and use of statins to decrease morbidity from myocardial infarction and stroke, it was noted that approximately 5% of all statin users experienced muscle pain and weakness during treatment. In a smaller proportion of patients, the myopathy progressed to severe morbidity marked by proximal weakness and severe muscle wasting...
October 2016: Autoimmunity Reviews
Tayfun Akalin, Hatice Akkaya, Barış Büke, İbrahim Koçak
Dermatomyositis (DM), a subtype of idiopathic inflammatory myopathies (IIMs), is characterized by skin rash, proximal muscle weakness, and inflammatory infiltrates in the muscle tissue. The peak incidence of the disease is at the age of 50-60 years, and only 14% of the patients with IIMs are estimated to present during reproductive years. Because of the limited pregnancy experience in patients with IIMs, little is known regarding the effects of DM on pregnancy or vice versa. We herein report a 40-year-old woman who developed DM in the second trimester of her pregnancy and did not respond to treatment with methylprednisolone...
2016: Case Reports in Obstetrics and Gynecology
Simon Rothwell, Janine A Lamb, Hector Chinoy
PURPOSE OF REVIEW: This article reviews the advances that have been made in our understanding of the genetics of the idiopathic inflammatory myopathies (IIM) in the past 2 years, with a particular focus on polymyositis, dermatomyositis and inclusion body myositis. RECENT FINDINGS: Two large human leukocyte antigen (HLA) imputation studies have confirmed a strong association with the 8.1 ancestral haplotype in clinical subgroups of myositis and suggest multiple independent associations on this haplotype...
November 2016: Current Opinion in Rheumatology
Joanna Tieu, Ingrid E Lundberg, Vidya Limaye
Knowledge on idiopathic inflammatory myopathy (IIM) has evolved with the identification of myositis-associated and myositis-specific antibodies, development of histopathological classification and the recognition of how these correlate with clinical phenotype and response to therapy. In this paper, we outline key advances in diagnosis and histopathology, including the more recent identification of antibodies associated with immune-mediated necrotising myopathy (IMNM) and inclusion body myositis (IBM). Ongoing longitudinal observational cohorts allow further classification of these patients with IIM, their predicted clinical course and response to specific therapies...
February 2016: Best Practice & Research. Clinical Rheumatology
Omaima Mohammed Abou-Shady, Soheir Sayed Mohammed, Samar Sayed Attia, Hebat-Allah Salah Yusuf, Dina Omar Helmy
Schistosomiasis is one of the most prevalent parasitic infections worldwide. Praziquantel is the drug of choice for treatment of schistosomiasis for its high efficacy. The present work was carried out on 160 mice to evaluate the therapeutic effect of mefloquine on experimental schistosomiasis mansoni. Mice were classified into 3 groups; group I (20 infected non-treated mice), group II included 60 infected mice which were further divided into group IIm (20 mice treated with 400 mg/kg mefloquine), group IIp (20 mice treated with 1,000 mg/kg/2 days praziquantel) and group IIpm (20 mice treated with 200 mg/kg mefloquine and 500 mg/kg praziquantel), group III included 80 non-infected mice subdivided into group IIIn (20 non-treated mice), group IIIm (20 mice treated with 400 mg/kg mefloquine), group IIIp (20 mice treated with 1,000 mg/kg/2 days praziquantel), group IIIpm (20 mice treated with 200 mg mefloquine and 500 mg praziquantel)...
June 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
E Hachulla, O Benveniste, M Hamidou, L Mouthon, N Schleinitz, P Lozeron, J M Léger, C Vial, K Viala
BACKGROUND: In patients with autoimmune diseases who still derive benefit from high dose intravenous immunoglobulin (IVIg) treatment, some physicians resort to subcutaneous (SC) Ig as a replacement therapy. OBJECTIVE: To collect quality of life (QoL) and tolerance data on SCIg in patients for whom the switch from IVIg to SCIg is essential to maintain treatment. METHODS: This observational study included patients with either idiopathic inflammatory myopathies (IIM) or chronic dysimmune peripheral neuropathies (CDPN) treated with IVIg, who had been switched to SCIg administration for at least three months...
July 14, 2016: International Journal of Neuroscience
Irene Otero-Muras, David Henriques, Julio R Banga
MOTIVATION: The design of de novo circuits with predefined performance specifications is a challenging problem in Synthetic Biology. Computational models and tools have proved to be crucial for a successful wet lab implementation. Natural gene circuits are complex, subject to evolutionary tradeoffs and playing multiple roles. However, most synthetic designs implemented to date are simple and perform a single task. As the field progresses, advanced computational tools are needed in order to handle greater levels of circuit complexity in a more flexible way and considering multiple design criteria...
July 8, 2016: Bioinformatics
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