Myology research highlights
RSS feedThe motor neuron response to SMN1 deficiency in spinal muscular atrophy
This prospective study aimed to measure and analyse for up to 42 months, motor unit number estimation (MUNE) values longitudinally in 62 children with spinal muscular atrophy (SMA) types 2 and 3. Longitudinal electrophysiological data were collected, including compound motor action potential (CMAP), single motor unit action potential (SMUP), and MUNE. Significant motor neuron loss … [Read more]
Rasch analysis of clinical outcome measures in spinal muscular atrophy
Trial design for SMA depends on meaningful rating scales to assess outcomes. In this study Rasch methodology was applied to 9 motor scales in SMA. Data from all 3 SMA types were provided by research groups for 9 commonly used scales. Rasch methodology assessed the ordering of response option thresholds, tests of fit, spread of … [Read more]
TRAPPC11 mutations cause a spectrum of myopathies
Myopathies are a clinically and etiologically heterogeneous group of disorders that can range from limb girdle muscular dystrophy (LGMD) to syndromic forms with associated features including intellectual disability. Here, the authors report the identification of mutations in transport protein particle complex 11 (TRAPPC11) in three individuals of a consanguineous Syrian family presenting with LGMD and … [Read more]
Cost of illness for neuromuscular diseases in the U.S
A comprehensive study of the costs associated with amyotrophic lateral sclerosis (ALS), Duchenne muscular dystrophy (DMD) and myotonic dystrophy (DM) in the U.S was conducted. The total impact on the U.S. economy, including direct medical costs, non-medical costs, and loss of income was determined. Medical costs were calculated using a commercial insurance database and Medicare … [Read more]
Long-term efficacy of enzyme replacement therapy in late-onset GSDII
Type II glycogenosis (GSDII) is a rare and often fatal neuromuscular disorder caused by acid alpha-glucosidase deficiency. Although alglucosidase alfa enzyme replacement therapy (ERT) significantly improves outcomes in subjects with the infantile form, its efficacy in patients with the late-onset one is not entirely clear. The long-term efficacy of ERT in late-onset GSDII complicated by … [Read more]
Preoperative plasmapheresis for elective thymectomy in myasthenia patient
The role of plasmapheresis before thymectomy remains controversial. The aim of this study is to determine the peri-operative and post-operative outcome of a thymectomy between performing and not performing a pre-operative plasmapheresis. A retrospective chart review study was conducted in Chiang Mai University Hospital between January 2006 and December 2011. There were 86 myasthenia patients … [Read more]
Autologous myoblast transplantation for oculopharyngeal muscular dystrophy: a Phase I/IIa clinical study
Oculopharyngeal muscular dystrophy (OPMD) is a late onset autosomal dominant genetic disease mainly characterized by ptosis and dysphagia. The authors conducted a Phase I/IIa clinical study (ClinicalTrials.gov NCT00773227) using autologous myoblast transplantation following myotomy in adult OPMD patients. This study included 12 patients with clinical diagnosis of OPMD, indication for cricopharyngeal myotomy, and confirmed genetic … [Read more]
Wnt/β-catenin signaling suppresses DUX4 expression and prevents apoptosis of FSHD muscle cells
Facioscapulohumeral muscular dystrophy is a dominantly inherited myopathy associated with chromatin relaxation of the D4Z4 macrosatellite array on chromosome 4. DUX4 is encoded within each unit of the D4Z4 array where it is normally transcriptionally silenced and packaged as constitutive heterochromatin. Truncation of the array to less than 11 D4Z4 units (FSHD1) or mutations in … [Read more]
Call for Proposals AFM-Telethon 2014
AFM-Telethon is pleased to announce its Call for Proposals 2014. Its mission is to determine targets for research priorities, and to present them to the Board of Directors of AFM, and to launch the corresponding Call for Proposals. It evaluates the suitability and quality of the proposed research programs, and oversees, a posteriori, the quality … [Read more]
International Call for Spinal Muscular Atrophy (SMA) Research Projects 2013
SMA Europe is pleased to announce its 6th international Call for SMA Research Projects.This new Call for SMA Projects will be open to any research project aimed at finding a therapy for Spinal Muscular Atrophy (SMA) or at elucidating the basic pathophysiological processes of the disease.The overall goal of SMA-Europe is to help the dedicated … [Read more]