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Muscular myopathy

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https://www.readbyqxmd.com/read/28615891/limb-girdle-muscular-dystrophies-in-india-a-review
#1
REVIEW
Satish V Khadilkar, Hinaben Dayalal Faldu, Sarika Bapuso Patil, Rakesh Singh
Limb-girdle muscular dystrophies (LGMDs) are common in India. Information on LGMDs has been gradually evolving in the recent years. This information is scattered in case series and case studies. The aim of this study is to collate available Indian information on LGMDs and put it in perspective. PubMed search using keywords such as limb-girdle muscular dystrophies in India, sarcoglycanopathies, dysferlinopathy, calpainopathy, and GNE myopathy was carried out. The published information on LGMDs in Indian context suggests that dysferlinopathy, calpainopathy, sarcoglycanopathies, and other myopathies such as GNE myopathy are frequently seen in India...
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28606402/clinical-histological-and-radiological-responses-to-methylprednisolone-in-hiv-associated-rod-myopathy
#2
André M S Silva, Rodrigo H Mendonça, Cristiane A M Moreno, Eduardo P Estephan, Paulo V P Helito, Mary S Carvalho, Edmar Zanoteli
Skeletal muscle involvement as a neurologic manifestation in individuals with HIV is rare, especially as rod myopathy. We describe a 41-year-old male with HIV infection who presented progressive proximal muscle weakness and limb-girdle atrophy. A muscle magnetic resonance image showed bilateral fatty infiltration and post-contrast enhancement in the arm and thigh muscles. The muscle biopsy revealed intracytoplasmic aggregates with appearance of nemaline rod bodies with Gomori trichrome staining and electron microscopy in most fibers...
May 12, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28606400/autosomal-dominant-distal-myopathy-due-to-a-novel-acta1-mutation
#3
Teerin Liewluck, Eric J Sorenson, Magdalena A Walkiewicz, Kandelaria M Rumilla, Margherita Milone
Mutations in skeletal muscle α-actin 1-encoding gene (ACTA1) cause autosomal dominant or recessive myopathies with marked clinical and pathological heterogeneity. Patients typically develop generalized or limb-girdle pattern of weakness, but recently a family with scapuloperoneal myopathy was reported. We describe a father and 2 children with childhood-to-juvenile onset distal myopathy, carrying a novel dominant ACTA1 variant, c.757G>C (p.Gly253Arg). Father had delayed motor development and developed significant proximal weakness later in life; he was initially misdiagnosed as having spinal muscular atrophy based on electromyographic findings...
May 5, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28604469/case-report-of-cardiac-arrest-after-succinylcholine-in-a-child-with-muscle-eye-brain-disease
#4
Thomas Hackmann, David L Skidmore, Brian MacManus
Muscle-eye-brain disease is a rare autosomal recessive disorder characterized by congenital muscular dystrophy, ocular abnormalities, and brain malformation. We report an intraoperative hyperkalemic cardiac arrest following the administration of succinylcholine in a child with muscle-eye-brain disease. The disease was diagnosed only after this event. Our experience suggests that preoperative determinations of serum concentrations of lactate and creatine kinase may be useful if clinical signs consistent with myopathy are present...
June 8, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28602176/calpainopathy-with-macrophage-rich-regional-inflammatory-infiltrates
#5
Peter W Schutz, Renata S Scalco, Rita Barresi, Henry Houlden, Matthew Parton, Janice L Holton
Mutations in calpain-3 cause limb girdle muscular dystrophy 2A. Biopsy pathology is typically dystrophic, sometimes characterized by frequent lobulated fibres. More recently calpain mutations have been shown in association with eosinophilic myositis, suggesting that calpain mutations may render muscle susceptible to inflammatory change. We present the case of a 33-year old female with mild proximal muscle weakness and high CK levels (6698 IU/L at presentation). Muscle biopsy showed clusters of fibre necrosis associated with very dense macrophage infiltrates and small numbers of lymphocytes, raising the possibility of an inflammatory myopathy...
April 27, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28596791/in-utero-stem-cell-transplantation-potential-therapeutic-application-for-muscle-diseases
#6
REVIEW
Neeladri Chowdhury, Atsushi Asakura
Muscular dystrophies, myopathies, and traumatic muscle injury and loss encompass a large group of conditions that currently have no cure. Myoblast transplantations have been investigated as potential cures for these conditions for decades. However, current techniques lack the ability to generate cell numbers required to produce any therapeutic benefit. In utero stem cell transplantation into embryos has been studied for many years mainly in the context of hematopoietic cells and has shown to have experimental advantages and therapeutic applications...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28592916/a-reduction-in-selenoprotein-s-amplifies-the-inflammatory-profile-of-fast-twitch-skeletal-muscle-in-the-mdx-dystrophic-mouse
#7
Craig Robert Wright, Giselle Larissa Allsopp, Alex Bernard Addinsall, Natasha Lee McRae, Sofianos Andrikopoulos, Nicole Stupka
Excessive inflammation is a hallmark of muscle myopathies, including Duchenne muscular dystrophy (DMD). There is interest in characterising novel genes that regulate inflammation due to their potential to modify disease progression. Gene polymorphisms in Selenoprotein S (Seps1) are associated with elevated proinflammatory cytokines, and in vitro SEPS1 is protective against inflammatory stress. Given that SEPS1 is highly expressed in skeletal muscle, we investigated whether the genetic reduction of Seps1 exacerbated inflammation in the mdx mouse...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28586319/rev-erb-and-ror-therapeutic-targets-for-treating-myopathies
#8
REVIEW
Ryan D Welch, Colin A Flaveny
Muscle is primarily known for its mechanical roles in locomotion, maintenance of posture, and regulation of cardiac and respiratory function. There are numerous medical conditions that adversely affect muscle, myopathies that disrupt muscle development, regeneration and protein turnover to detrimental effect. Skeletal muscle is also a vital secretory organ that regulates thermogenesis, inflammatory signaling and directs context specific global metabolic changes in energy substrate preference on a daily basis...
June 6, 2017: Physical Biology
https://www.readbyqxmd.com/read/28586144/co-occurrence-of-jalili-syndrome-and-muscular-overgrowth
#9
Anna Wawrocka, Joanna Walczak-Sztulpa, Magdalena Badura-Stronka, Michal Owecki, Przemysław Kopczynski, Ewa Mrukwa-Kominek, Anna Skorczyk-Werner, Piotr Gasperowicz, Rafal Ploski, Maciej R Krawczynski
Jalili syndrome is a rare disorder inherited in an autosomal recessive pattern manifesting as a combination of cone-rod dystrophy including progressive loss of visual acuity, color blindness, photophobia, and amelogenesis imperfecta with hypoplastic, immature, or hypocalcified dental enamel. It is caused by mutations in CNNM4, which encodes the ancient conserved domain protein 4. Here we report three brothers with Jalili syndrome and muscle overgrowth of the legs. Myopathic changes were found in needle electromyography...
June 6, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28576279/-atypical-reaction-to-anesthesia-in-duchenne-becker-muscular-dystrophy
#10
Helga Cristina Almeida da Silva, Marcia Hiray, Mariz Vainzof, Beny Schmidt, Acary Souza Bulle Oliveira, José Luiz Gomes do Amaral
BACKGROUND AND OBJECTIVES: Duchenne/Becker muscular dystrophy affects skeletal muscles and leads to progressive muscle weakness and risk of atypical anesthetic reactions following exposure to succinylcholine or halogenated agents. The aim of this report is to describe the investigation and diagnosis of a patient with Becker muscular dystrophy and review the care required in anesthesia. CASE REPORT: Male patient, 14 years old, referred for hyperCKemia (chronic increase of serum creatine kinase levels - CK), with CK values of 7,779-29,040IU...
May 30, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28565896/effects-of-magnetically-controlled-growing-rods-surgery-on-pulmonary-function-in-young-subjects-with-spinal-muscular-atrophy-type-2-and-other-neuromuscular-scoliosis
#11
Luca Colombo, Carlotta Martini, Chiara Bersanini, Francesca Izzo, Jorge H Villafañe, Pedro Berjano, Claudio Lamartina
BACKGROUND: The aim of this study was to determine the effects of magnetically controlled growing rods surgery (MCGRS) of the scoliosis on pulmonary function in children with neuromuscular scoliosis. METHODS: Seven patients, 85.7% female (mean ± SD age: 6.7±1.2 years), with neuromuscular scoliosis (4 SMA II, 2 congenital myopathies and 1 VACTER syndrome), received MCGRS of the spine in the thoraco-lumbar area. The outcome measures were clinical features and pulmonary function (forced vital capacity [FVC] and forced expiratory volume in 1st second [FEV1], were collected...
May 31, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28558865/early-onset-of-sleep-disordered-breathing-in-two-children-with-sepn1-related-myopathies
#12
Mathilde Viprey, Ha Trang, Michaël Pomedio, Katia Bessaci-Kabouya, Pascal Sabouraud, Fawzia Cheliout-Heraut, Pierre Mauran
Selenoprotein-related myopathy (SEPN1-RM) is a rare disease with a variable clinical presentation. The selenoproteinN1 gene (SEPN1) mutation causingthis congenital muscular dystrophy was identified in 2001. Sleep-disordered breathing (SDB) may occur in young patients with SEPN1-RM who are stillable to walk. We report the cases of two children with SEPN1-RM who presented with SDB at the ages of 7 and 12 years and for whom long-term nocturnalnoninvasive ventilation yielded significant improvement. Based on literature review and our current cases, it seems that there is no obvious relationshipbetween the time since SDB onset and outcome of pulmonary function tests or limb muscle weakness...
May 25, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/28554554/expanding-the-phenotypic-spectrum-associated-with-mutations-of-dync1h1
#13
Sarah J Beecroft, Catriona A McLean, Martin B Delatycki, Kurian Koshy, Eppie Yiu, Goknur Haliloglu, Diclehan Orhan, Phillipa J Lamont, Mark R Davis, Nigel G Laing, Gianina Ravenscroft
Autosomal dominant mutations of DYNC1H1 cause a range of neurogenetic diseases, including mental retardation with cortical malformations, hereditary spastic paraplegia and spinal muscular atrophy. Using SNP array, linkage analysis and next generation sequencing, we identified two families and one isolated proband sharing a known spinal muscular atrophy, lower extremity predominant (SMALED) causing mutation DYNC1H1 c.1792C>T, p.Arg598Cys, and another family harbouring a c.2327C>T, p.Pro776Leu mutation...
July 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28550479/biomolecular-diagnosis-of-myotonic-dystrophy-type-2-a-challenging-approach
#14
REVIEW
Giovanni Meola, Fiammetta Biasini, Rea Valaperta, Elena Costa, Rosanna Cardani
Myotonic dystrophy type 1 (DM1) and type 2 (DM2) are the most common adult form of muscular dystrophy, characterized by autosomal dominant progressive myopathy, myotonia, and multiorgan involvement. The onset and symptoms of the myotonic dystrophies are diverse, complicating their diagnoses and limiting a comprehensive approach to their clinical care. Diagnostic delay in DM2 is due not only to the heterogeneous phenotype and the aspecific onset but also to the unfamiliarity with the disorder by most clinicians...
May 26, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28539233/supplementation-action-with-ascorbic-acid-in-the-morphology-of-the-muscular-layer-and-reactive-acetylcholinesterase-neurons-of-ileum-of-mdx-mice
#15
Marcelo José Santiago Lisboa, Marília Fabiana De Oliveira Lima, Sandra Regina Stabille, Jacqueline Nelisis Zanoni, Karina Martinez Gagliardo, Melyna Soares Souto, Renivaldo Souza, Jodonai Barbosa Da Silva, Sônia Regina De Almeida Yokomizo, Edson Aparecido Liberti, Naianne Kelly Clebis
The Duchenne Muscular Dystrophy (DMD) is a genetic disorder characterized by the absence of dystrophin protein, causing severe myopathy from increases of oxidative stress. Injuries of intestinal muscle can compromise the myenteric plexus. This study aimed to evaluate the disorders occurred in the muscular layer and in the acetylcholinesterase myenteric neurons (ACHE-r) of ileum of mdx mice, and the effects of supplementation with ascorbic acid (AA) in both components. 30 male mice C57BL/10, and 30 male mice C57BL/10Mdx were separated according to the age and treatment (n=10/group): 30-days-old control group (C30); 30-days-old dystrophic group (D30); 60-days-old control group (C60); 60-days-old dystrophic group (D60); 60-days-old control group supplemented with AA (CS60); and 60-days-old dystrophic group supplemented with AA (DS60)...
May 17, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28531774/clinical-assessment-underestimates-fat-mass-and-overestimates-resting-energy-expenditure-in-children-with-neuromuscular-diseases
#16
Salesa Barja, Regina Pérez
BACKGROUND: Nutritional problems are frequent among patients with neuromuscular diseases, who consequently need an adequate evaluation. OBJECTIVE: to describe nutritional assessment and to estimate and measure body composition and energy requirement in children with neuromuscular diseases. SUBJECTS AND METHODS: We performed anthropometry, skinfold measurement and bioelectric impedance analysis (BIA) for estimate and measure, respectively, fat mass (FM)...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28528595/implications-of-white-striping-and-spaghetti-meat-abnormalities-on-meat-quality-and-histological-features-in-broilers
#17
G Baldi, F Soglia, M Mazzoni, F Sirri, L Canonico, E Babini, L Laghi, C Cavani, M Petracci
During the past few years, there has been an increasing prevalence of broiler breast muscle abnormalities, such as white striping (WS) and wooden breast conditions. More recently, a new muscular abnormality termed as spaghetti meat (SM) because of the altered structural integrity of the Pectoralis major muscle often associated with WS has emerged. Thus, this study aimed at evaluating the effects of WS and SM conditions, occurring alone or combined within the same P. major muscle, on meat quality traits and muscle histology...
May 22, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28523323/discovery-of-a-new-mutation-in-the-desmin-gene-in-a-young-patient-with-cardiomyopathy-and-muscular-weakness
#18
Ruxandra Oana JurcuŢ, Alexandra Eugenia Bastian, Sebastian Militaru, Aura Popa, Emilia Manole, Bogdan Alexandru Popescu, Jonna Tallila, Bogdan Ovidiu Popescu, Carmen Doina Ginghină
A 25-year-old woman with a five years history of syncope, mild left ventricular hypertrophy and moderately enlarged atria, was diagnosed with third degree atrioventricular heart block alternating with atrioventricular heart block 2:1, and received a dual chamber pacemaker. After three years of evolution, she developed atrial fibrillation, marked biatrial enlargement, severely depressed longitudinal myocardial velocities, associated with mild girdle weakness and slight increase in creatine kinase level. The diagnosis of restrictive cardiomyopathy with mild skeletal myopathy imposed the screening for a common etiology...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28508608/myopathy-in-pediatric-thyroid-states-a-review-of-the-literature
#19
Elena Dingle, Resmy Palliyil-Gopi, Maria Contreras, Brenda Kohn, Preneet Cheema Brar
This review highlights the presentations of myopathy in children in both hypothyroid and hyperthyroid states with an emphasis on the pathophysiology, diagnosis and treatment. Based on our review of the literature data, myopathy should be considered in all children presenting with muscular weakness or altered muscle enzymes in the context of thyroid disease.
December 2016: Pediatric Endocrinology Reviews: PER
https://www.readbyqxmd.com/read/28502335/limb-girdle-muscular-dystrophy-2b-and-miyoshi-presentations-of-dysferlinopathy
#20
REVIEW
Nirupa J Patel, Kenneth W Van Dyke, Luis R Espinoza
We report the following 2 subtypes of progressive limb-girdle dystrophy type 2B: limb-girdle muscular dystrophy type 2B (LGMD2B) and Miyoshi. The first patient described had weakness in the anterior thigh muscles (LGMD2B) and the second patient had calf muscle weakness and atrophy (Miyoshi). Literature review was performed and LGMD2B was compared and distinguished from other myopathies of similar nature. Genetic testing with polymerase chain reaction analysis of the DYSF gene confirmed the diagnosis in both patients...
May 2017: American Journal of the Medical Sciences
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