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Kate Traynor
No abstract text is available yet for this article.
November 1, 2016: American Journal of Health-system Pharmacy: AJHP
Ron Bochner, Liat Samuelov, Ofer Sarig, Qiaoli Li, Christopher A Adase, Ofer Isakov, Natalia Malchin, Dan Vodo, Ronna Shayevitch, Alon Peled, Benjamin D Yu, Gilad Fainberg, Emily Warshauer, Noam Adir, Noam Erez, Andrea Gat, Yehonatan Gottlieb, Tova Rogers, Mor Pavlovsky, Ilan Goldberg, Noam Shomron, Aileen Sandilands, Linda E Campbell, Stephanie MacCallum, W H Irwin McLean, Gil Ast, Richard L Gallo, Jouni Uitto, Eli Sprecher
Congenital erythroderma is a rare and often life-threatening condition, which has been shown to result from mutations in several genes encoding important components of the epidermal differentiation program. Using whole exome sequencing, we identified in a child with congenital exfoliative erythroderma, hypotrichosis, severe nail dystrophy and failure to thrive, two heterozygous mutations in ABCA12 (c.2956C>T, p.R986W; c.5778+2T>C, p. G1900Mfs*16), a gene known to be associated with 2 forms of ichthyosis, autosomal recessive congenital ichthyosis and harlequin ichthyosis...
October 18, 2016: Journal of Investigative Dermatology
Sally Lindsay, Laura McAdam, Tania Mahendiran
BACKGROUND: Young men with Duchenne muscular dystrophy (DMD) live into adulthood and need specialized care. However, services for adults are fragmented. We know little about young men's experiences, their parents, and clinicians who support them as they transition to adult care. OBJECTIVE: To explore the enablers and barriers of clinicians, young men, and parents as they transition from an adult DMD clinic within a pediatric hospital to an adult health facility...
October 11, 2016: Disability and Health Journal
Xi Chen, Heng Qiu, Chao Wang, Yu Yuan, Jennifer Tickner, Jiake Xu, Jun Zou
Choline, a hydrophilic cation, has versatile physiological roles throughout the body, including cholinergic neurotransmission, memory consolidation and membrane biosynthesis and metabolism. Choline kinases possess enzyme activity that catalyses the conversion of choline to phosphocholine, which is further converted to cytidine diphosphate-coline (CDP-choline) in the biosynthesis of phosphatidylcholine (PC). PC is a major constituent of the phospholipid bilayer which constitutes the eukaryotic cell membrane, and regulates cell signal transduction...
October 8, 2016: Cytokine & Growth Factor Reviews
Xin Zhong, Bogale Aredo, Yi Ding, Kaiyan Zhang, Cynthia X Zhao, Rafael L Ufret-Vincenty
Purpose: Oxidative stress, partly due to light, has an important role in many retinal diseases, including macular degeneration and retinal dystrophies. The Leu450Met variant of RPE65 is expressed in C57BL/6 and in many genetically modified mice. It confers significant resistance to light induced retinal degeneration (LIRD). Our goal was to develop an effective and efficient method to induce LIRD in resistant mice that would recapitulate mechanisms seen in known models of LIRD. Methods: The retinas of C57BL/6J mice were exposed to light using a murine fundus camera...
October 1, 2016: Investigative Ophthalmology & Visual Science
Morio Ueno, Kazuko Asada, Munetoyo Toda, Asako Hiraga, Monty Montoya, Chie Sotozono, Shigeru Kinoshita, Junji Hamuro
Purpose: To elucidate a noninvasive method to qualify and identify cultured human corneal endothelial cells (cHCECs) devoid of cell-state transition and adaptable for cell-based therapy. Methods: The variations of cHCECs in their composition of heterogeneous subpopulations (SPs) were verified in relation to their surface cluster-of-differentiation (CD) markers and their morphology. The profiles of microRNA (miRNA) in cultured cells or supernatants were detected by 3D-Gene Human microRNA Chips (Toray Industries, Inc...
October 1, 2016: Investigative Ophthalmology & Visual Science
S T Oestergaard, T Stojkovic, J R Dahlqvist, C Bouchet-Seraphin, J Nectoux, F Leturcq, M Cossée, G Solé, C Thomsen, T O Krag, J Vissing
OBJECTIVE: In this study, muscle involvement assessed by MRI and levels of GMPPB and glycosylation of α-dystroglycan expression in muscle were examined in patients with limb-girdle muscular dystrophy (LGMD) type 2T. METHODS: Six new patients with genetically verified mutations in GMPPB were studied. T1-weighted magnetic resonance images were obtained in 4 participants. Muscle strength and potential involvement of extramuscular organs were examined. Glycosylation of α-dystroglycan in muscle was studied, and GMPPB and α-dystroglycan expression was analyzed by Western blotting...
December 2016: Neurology. Genetics
Valeria Carolina Alvarez, Sini Tellervo Penttilä, Valeria Luján Salutto, Bjarne Udd, Claudio Gabriel Mazia
Epidermolysis bullosa simplex with muscular dystrophy (EBS-MD; OMIM #226670) is an autosomal recessive disorder characterized by neonatal blistering and later-onset muscle weakness.
December 2016: Neurology. Genetics
Jeffrey J Widrick, Matthew Alexander, Benjamin Sanchez, Devin Gibbs, Genri Kawahara, Alan Beggs, Louis Kunkel
Sapje zebrafish lack the protein dystrophin and are the smallest vertebrate model of Duchenne muscular dystrophy (DMD). Their small size makes them ideal for large-scale drug discovery screens. However, the extent that sapje mimic the muscle dysfunction of higher vertebrate models of DMD is unclear. We used an optical birefringence assay to differentiate affected dystrophic sapje larvae from their unaffected siblings and then studied trunk muscle contractility at 4-7 days post fertilization. Preparation cross-sectional area (CSA) was similar for affected and unaffected larvae, yet tetanic forces of affected preparations were only 30-60% of normal...
October 7, 2016: Physiological Genomics
Rajeev B Tajhya, Xueyou Hu, Mark R Tanner, Redwan Huq, Natee Kongchan, Joel R Neilson, George G Rodney, Frank T Horrigan, Lubov T Timchenko, Christine Beeton
Myoblasts are mononucleated precursors of myofibers; they persist in mature skeletal muscles for growth and regeneration post injury. During myotonic dystrophy type 1 (DM1), a complex autosomal-dominant neuromuscular disease, the differentiation of skeletal myoblasts into functional myotubes is impaired, resulting in muscle wasting and weakness. The mechanisms leading to this altered differentiation are not fully understood. Here, we demonstrate that the calcium- and voltage-dependent potassium channel, KCa1...
October 20, 2016: Cell Death & Disease
Amanda Faria Assoni, Giuliana Castello, Marcos Valadares, Melinda Beccari, Juliana Gomes, Mayra Pelatti, Miguel Mitne-Neto, Valdemir Melechco Carvalho, Mayana Zatz
Duchenne muscular dystrophy (DMD) is a lethal X-linked disorder caused by null mutations in the dystrophin gene. Although the primary defect is the deficiency of muscle dystrophin, secondary events, including chronic inflammation, fibrosis and muscle regeneration failure are thought to actively contribute to disease progression. Despite several advances, there is still no effective therapy for DMD. Therefore, the potential regenerative capacities, as well as immune-privileged properties of Mesenchymal Stromal Cells (MSCs), have been the focus of intense investigation in different animal models aiming the treatment of these disorders...
October 20, 2016: Stem Cells and Development
Karen Schipper, Minne Bakker, Tineke Abma
PURPOSE: The aim of this article is to describe how fatigue affects the lives of people with facioscapulohumeral dystrophy (FSHD), how they experience fatigue, and how they deal with it in order to attune rehabilitation care to patients' needs. METHOD: A qualitative study, consisting of 25 semistructured interviews with patients with FSHD and severe fatigue (as measured with the checklist individual strength (CIS) fatigue questionnaire), was conducted to gain insight into the experiences of patients with fatigue...
October 20, 2016: Disability and Rehabilitation
Thomas McCaffrey, Michela Guglieri, Alexander P Murphy, Katherine Md Bushby, Anna Johnson, John P Bourke
Introduction The significance of abnormal cardiac measures in asymptomatic females who harbor dystrophin gene mutations is controversial. Methods Echo-measures of ventricular function were compared with published norms in a cross-sectional study of 130 (age 39 ± 15.7 years) 'carriers' of Duchenne or Becker muscular dystrophy (DBMD). Correlations between cardiomyopathy (CM) and mutation, CK levels, age, and muscle symptoms were investigated. Results Depending on definition, CM prevalence was 3-33%. Ejection fraction (Simpson) was < 55% in 9 (13%) and < 40% in 2 (2...
October 19, 2016: Muscle & Nerve
Tara M Newcomb, Kevin M Flanigan
The cloning of the DMD gene, and the identifications of mutations in it as the cause of Duchenne muscular dystrophy (DMD), makes a compelling story that is aptly told elsewhere.(1) The locus-the largest in the human genome-consists of 79 exons, distributed over 2.5 million nucleotides on the X chromosome, which are assembled into a complementary DNA (cDNA) of around 14 kb encoding the predominant muscle isoform of the dystrophin protein.(2) The size of the gene, and the number of exons, had historically made mutation analysis challenging...
October 2016: Neurology. Genetics
Lauren Bogue, Sindhu Ramchandren
Carrier risk assessment for Duchenne muscular dystrophy (DMD) is necessary to counsel women at risks of developing cardiomyopathy and having a child with DMD. Comprehensive molecular testing for dystrophin gene mutations has only been available since 2003(1); women counseled earlier have outdated risk assessments. We present a 5-generation family in whom results of familial mutation testing for DMD newly identified 10 obligate carriers and 28 women at risk to be carriers for DMD.
October 2016: Neurology. Genetics
Mario Tirone, Valentina Conti, Fabio Manenti, Pier Andrea Nicolosi, Cristina D'Orlando, Emanuele Azzoni, Silvia Brunelli
Embryonic VE-Cadherin-expressing progenitors (eVE-Cad+), including hemogenic endothelium, have been shown to generate hematopoietic stem cells and a variety of other progenitors, including mesoangioblasts, or MABs. MABs are vessel-associated progenitors with multilineage mesodermal differentiation potential that can physiologically contribute to skeletal muscle development and regeneration, and have been used in an ex vivo cell therapy setting for the treatment of muscular dystrophy. There is currently a therapeutic need for molecules that could improve the efficacy of cell therapy protocols; one such good candidate is nitric oxide...
2016: PloS One
Sarah Youssof, Carol Romero-Clark, Teddy Warner, Emily Plowman
INTRODUCTION: The Swallowing Quality of Life instrument (SWAL-QOL) is a patient-reported outcome (PRO) measure of swallowing-related quality of life (SR-QoL). Its psychometric properties in oculopharyngeal muscular dystrophy (OPMD) are not known. METHODS: We administered the SWAL-QOL to U.S. OPMD Registry participants. We described SR-QoL profiles and assessed reliability and validity. RESULTS: Mean composite score in 113 individuals with OPMD was 54...
October 19, 2016: Muscle & Nerve
Imene Dalichaouche, Yamina Sifi, Carinne Roudaut, Karima Sifi, Abdelmadjid Hamri, Leila Rouabah, Noureddine Abadi, Isabelle Richard
INTRODUCTION: We report the genetic analysis of a large series of 76 Algerian patients from 65 unrelated families that presented with early onset severe muscular dystrophy and a clinical phenotype resembling Limb-girdle muscular dystrophy type 2C (LGMD2C). METHODS: To define the genetic basis of the diseases in these families, we undertook a series of analysis of the γ-sarcoglycan (SGCG) and DMD genes. RESULTS: Fifteen families were shown to carry SGCG variants...
October 19, 2016: Muscle & Nerve
Cristina Dos Santos Cardoso de Sá, Iara Kristine Fagundes, Talita Bastos Araújo, Acary Souza Bulle Oliveira, Francis Meire Fávero
The aim was to describe trunk control in ambulant and non-ambulant patients with Duchenne muscular dystrophy (DMD). We conducted a cross-sectional analysis of a sample of 50 DMD patients, (M age = 16.7 years) who underwent the Segmental Assessment of Trunk Control (SATCo). A seven-level scale of trunk control was used (1: head control only; 7: control of entire trunk while unsupported). Static, active and reactive posture control were evaluated in ambulant and non-ambulant patients. Inter-rater reliability for all assessments was evaluated by calculating the kappa coefficient...
October 2016: Arquivos de Neuro-psiquiatria
R Askerov
High incidence of missed abortion induces to search for its causes. Apart from genetic and anatomic uterine factors, the state of the decidual endometrium and implantation zone of chorionic structures of the gestational sac are of particular interest. Direct visualization of the intact decidual endometrium is possible with embryoscopy, however, there is lack of presented data of normal and pathological signs of the endometrium during pregnancy. This paper describes the changes of the endometrium in missed abortion obtained by hysteroscopy in 160 women with nonprogressive pregnancy after ART protocols...
October 2016: Gynecological Endocrinology
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