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glycogen storage disease 1

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https://www.readbyqxmd.com/read/29663456/label-free-identification-of-myopathological-features-with-coherent-anti-stokes-raman-scattering
#1
Daniel Niedieker, Frederik Großerüschkamp, Anja Schreiner, Katalin Barkovits, Carsten Kötting, Katrin Marcus, Klaus Gerwert, Matthias Vorgerd
INTRODUCTION: The aim of this study was the label-free identification of distinct myopathological features with coherent anti-Stokes Raman scattering (CARS) imaging, which leaves the sample intact for further analysis. METHODS: The protein distribution was determined without labels by CARS at 2930 cm-1 and was compared with the results of standard histological staining. RESULTS: CARS imaging enabled the visualization of glycogen accumulation in glycogen storage disease type 5 (McArdle) and of internal nuclei in centronuclear myopathy...
April 16, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29652549/prolonged-granulocyte-colony-stimulating-factor-use-in-glycogen-storage-disease-type-1b-associated-with-acute-myeloid-leukemia-and-with-shortened-telomere-length
#2
Amanda M Li, Santhosh Thyagu, Dawn Maze, Richard Schreiber, Sandra Sirrs, Sylvia Stockler-Ipsiroglu, Heather Sutherland, Suzanne Vercauteren, Kirk R Schultz
Glycogen storage disease (GSD) type 1 is a rare autosomal recessive inherited condition. The 1b subtype comprises the minority of cases, with an estimated prevalence of 1 in 500,000 children. Patients with glycogen storage disease type 1b are often treated with granulocyte colony stimulating factor (G-CSF) for prolonged periods to improve symptoms of inflammatory bowel disease (IBD) and in the face of severe neutropenia to decrease risk of infection. Long-term G-CSF treatment may result in an increased risk of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML) possibly due to increased marrow stress resulting in telomere shortening...
April 13, 2018: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29600495/a-preliminary-study-of-telemedicine-for-patients-with-hepatic-glycogen-storage-disease-and-their-healthcare-providers-from-bedside-to-home-site-monitoring
#3
Irene J Hoogeveen, Fabian Peeks, Foekje de Boer, Charlotte M A Lubout, Tom J de Koning, Sebastiaan Te Boekhorst, Robert-Jan Zandvoort, Rob Burghard, Francjan J van Spronsen, Terry G J Derks
BACKGROUND: The purpose of this project was to develop a telemedicine platform that supports home site monitoring and integrates biochemical, physiological, and dietary parameters for individual patients with hepatic glycogen storage disease (GSD). METHODS AND RESULTS: The GSD communication platform (GCP) was designed with input from software developers, GSD patients, researchers, and healthcare providers. In phase 1, prototyping and software design of the GCP has occurred...
March 29, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29581464/whole-exome-sequencing-helps-the-diagnosis-and-treatment-in-children-with-neurodevelopmental-delay-accompanied-unexplained-dyspnea
#4
Wenjia Tong, Yajian Wang, Yun Lu, Tongsheng Ye, Conglei Song, Yuanyuan Xu, Min Li, Jie Ding, Yuanyuan Duan, Le Zhang, Weiyue Gu, Xiaoling Zhao, Xiu-An Yang, Danqun Jin
Neurodevelopmental delay accompanied unexplained dyspnea is a highly lethal disease in clinic. This study is to investigate the performance characteristics of trio whole exome sequencing (Trio-WES) in a pediatric setting by presenting our patient cohort and displaying the diagnostic yield. A total of 31 pediatric patients showing neurodevelopmental delay accompanied unexplained dyspnea were admitted to our hospital and referred for molecular genetic testing using Trio-WES. Eight genes namely MMACHC, G6PC, G6PT, ETFDH, OTC, NDUFAF5, SLC22A5, and MAGEL2 were suspected to be responsible for the onset of the clinical symptoms and 6 variants were novel...
March 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29575534/perioperative-management-of-children-with-glycogen-storage-disease-type-ii-pompe-disease
#5
Linelot Bosman, Sanne E Hoeks, Antonia González Candel, Hannerieke J M van den Hout, Ans T van der Ploeg, Lonneke M Staals
BACKGROUND: Pompe disease is a rare metabolic disorder caused by a deficiency of the lysosomal enzyme acid α-glucosidase. Glycogen accumulation damages skeletal, cardiac, and smooth muscles, causing a progressive and debilitating muscle weakness and cardiomyopathy. As life expectancy has much improved since the introduction of enzyme replacement therapy an increasing number of patients are referred for surgical procedures. Due to the potential cardiopulmonary complications, these patients form a high-risk group for the anesthesiologist...
March 25, 2018: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29519355/spectrum-of-restrictive-and-infiltrative-cardiomyopathies-part-1-of-a-2-part-series
#6
REVIEW
Naveen L Pereira, Martha Grogan, G William Dec
Restrictive cardiomyopathies are the least common form of heart muscle disease. They are characterized as infiltrative and noninfiltrative, storage diseases, and endomyocardial disorders. Genetic diseases commonly present during childhood or adolescence. However, a growing percentage of elderly patients with heart failure with preserved ejection fraction are being recognized as having forms of restrictive cardiomyopathy, particularly cardiac amyloidosis. Noninvasive evaluation has replaced endomyocardial biopsy in the diagnostic evaluation of most suspected etiologies...
March 13, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29511104/metabolic-shift-from-glycogen-to-trehalose-promotes-lifespan-and-healthspan-in-caenorhabditis-elegans
#7
Yonghak Seo, Samuel Kingsley, Griffin Walker, Michelle A Mondoux, Heidi A Tissenbaum
As Western diets continue to include an ever-increasing amount of sugar, there has been a rise in obesity and type 2 diabetes. To avoid metabolic diseases, the body must maintain proper metabolism, even on a high-sugar diet. In both humans and Caenorhabditis elegans , excess sugar (glucose) is stored as glycogen. Here, we find that animals increased stored glycogen as they aged, whereas even young adult animals had increased stored glycogen on a high-sugar diet. Decreasing the amount of glycogen storage by modulating the C...
March 6, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29502912/inborn-errors-of-metabolism-with-hypoglycemia-glycogen-storage-diseases-and-inherited-disorders-of-gluconeogenesis
#8
REVIEW
David A Weinstein, Ulrike Steuerwald, Carolina F M De Souza, Terry G J Derks
Although hyperinsulinism is the predominant inherited cause of hypoglycemia in the newborn period, inborn errors of metabolism are the primary etiologies after 1 month of age. Disorders of carbohydrate metabolism often present with hypoglycemia when fasting occurs. The presentation, diagnosis, and management of the hepatic glycogen storage diseases and disorders of gluconeogenesis are reviewed.
April 2018: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/29215735/vacuolated-pas-positive-lymphocytes-as-an-hallmark-of-pompe-disease-and-other-myopathies-related-to-impaired-autophagy
#9
Angelo Pascarella, Chiara Terracciano, Olimpia Farina, Luca Lombardi, Teresa Esposito, Filomena Napolitano, Giuseppina Franzese, Giovanni Panella, Francesco Tuccillo, Giancarlo la Marca, Sergio Bernardini, Silvia Boffo, Antonio Giordano, Giuseppe Di Iorio, Mariarosa A B Melone, Simone Sampaolo
Autosomal recessive Pompe disease is a lysosomal disorder caused by mutations of the acid-α-glucosidase (GAA) gene. Deficiency of GAA enzyme leads to glycogen accumulation and autophagy impairment in cardiac and skeletal muscles, but also in lymphocytes. Since an effective therapy is available, a rapid, sensitive, and specific test is crucial to early identify affected subjects. Number of lymphocytes containing PAS-positive vacuoles was evaluated on blood films from 72 consecutive adult patients with hyperckemia and/or muscle weakness, 13 genetically confirmed late-onset-Pompe-disease (LOPD) and 13 of their offspring...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29143313/polyglucosan-myopathy-and-functional-characterization-of-a-novel-gyg1-mutation
#10
C Hedberg-Oldfors, A Mensch, K Visuttijai, G Stoltenburg, D Stoevesandt, T Kraya, A Oldfors, S Zierz
OBJECTIVES: Disorders of glycogen metabolism include rare hereditary muscle glycogen storage diseases with polyglucosan, which are characterized by storage of abnormally structured glycogen in muscle in addition to exercise intolerance or muscle weakness. In this study, we investigated the etiology and pathogenesis of a late-onset myopathy associated with glycogenin-1 deficiency. MATERIALS AND METHODS: A family with two affected siblings, 64- and 66-year-olds, was studied...
November 15, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29118420/aav-mediated-transcription-factor-eb-tfeb-gene-delivery-ameliorates-muscle-pathology-and-function-in-the-murine-model-of-pompe-disease
#11
Francesca Gatto, Barbara Rossi, Antonietta Tarallo, Elena Polishchuk, Roman Polishchuk, Alessandra Carrella, Edoardo Nusco, Filomena Grazia Alvino, Francesca Iacobellis, Elvira De Leonibus, Alberto Auricchio, Graciana Diez-Roux, Andrea Ballabio, Giancarlo Parenti
Pompe disease (PD) is a metabolic myopathy due to acid alpha-glucosidase deficiency and characterized by extensive glycogen storage and impaired autophagy. We previously showed that modulation of autophagy and lysosomal exocytosis by overexpression of the transcription factor EB (TFEB) gene was effective in improving muscle pathology in PD mice injected intramuscularly with an AAV-TFEB vector. Here we have evaluated the effects of TFEB systemic delivery on muscle pathology and on functional performance, a primary measure of efficacy in a disorder like PD...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29057245/a-case-report-of-congenital-glycogen-storage-liver-cirrhosis-treated-with-bone-marrow-derived-stem-cells
#12
Terek W Wehbe, Nassim H Abi Chahine, Abdul-Rahman A Annous, Mohammad A Ferri, Robert C Boulous, Majid F El-Mestrah
Liver cirrhosis represents a state of end-stage failure that is usually fatal. The condition results in liver dysfunction, recurrent ascites, encephalopathy, renal failure, splenomegaly, bleeding, and a poor quality of life in general. With the current severe shortage of donated organs, the only available treatment in the developing countries remains palliative care. We report a case of congenital metabolic liver cirrhosis due to glycogen storage disease diagnosed at age eight. The patient, a male, received bone marrow derived mononuclear cells (BMMC) at age 16 and again at age 17 with significant improvement of his biochemical liver function tests, ascites build-up, asthenia, splenomegaly and quality of life...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/29018835/-13-c-31-p-mrs-metabolic-biomarkers-of-disease-progression-and-response-to-aav-delivery-of-hgaa-in-a-mouse-model-of-pompe-disease
#13
Celine Baligand, Adrian G Todd, Brittany Lee-McMullen, Ravneet S Vohra, Barry J Byrne, Darin J Falk, Glenn A Walter
The development of therapeutic clinical trials for glycogen storage disorders, including Pompe disease, has called for non-invasive and objective biomarkers. Glycogen accumulation can be measured in vivo with13 C MRS. However, clinical implementation remains challenging due to low signal-to-noise. On the other hand, the buildup of glycolytic intermediates may be detected with31 P MRS. We sought to identify new biomarkers of disease progression in muscle using13 C/31 P MRS and1 H HR-MAS in a mouse model of Pompe disease ( Gaa -/- )...
December 15, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/28985713/patients-with-glycogen-storage-diseases-undergoing-anesthesia-a-case-series
#14
Carmelina Gurrieri, Juraj Sprung, Toby N Weingarten, Mary E Warner
BACKGROUND: Glycogen storage diseases are rare genetic disorders of glycogen synthesis, degradation, or metabolism regulation. When these patients are subjected to anesthesia, perioperative complications can develop, including hypoglycemia, rhabdomyolysis, myoglobinuria, acute renal failure, and postoperative fatigue. The objective of this study was to describe the perioperative course of a cohort of patients with glycogen storage diseases. METHODS: This is a retrospective review of patients with glycogen storage diseases undergoing anesthetic care at our institution from January 1, 1990, through June 30, 2015 to assess perioperative management and outcomes...
October 6, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28937487/focal-hepatic-glycogenosis-in-a-patient-with-uncontrolled-diabetes-mellitus-type-1
#15
Tetiana Glushko, Sergiy V Kushchayev, Dmitry Trifanov, Aliaksei Salei, Diego Morales, Gerard Berry, Justin Mackey, Oleg M Teytelboym
Hepatomegaly and elevated liver enzymes in patients with diabetes are commonly associated with fatty liver disease. However, physicians often forget about another intrinsic substance that can cause a similar clinical picture-glycogen. Liver stores approximately one third of the total body glycogen and is responsible for blood glucose homeostasis. Excessive hepatocellular glycogen accumulation occurs not only in congenital glycogen storage diseases, but also in acquired conditions associated with hyperglycemic-hyperinsulinemic states such as uncontrolled diabetes mellitus, high-dose corticosteroid use, and dumping syndrome...
September 20, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28874182/long-term-neurologic-and-cardiac-correction-by-intrathecal-gene-therapy-in-pompe-disease
#16
J Hordeaux, L Dubreil, C Robveille, J Deniaud, Q Pascal, B Dequéant, J Pailloux, L Lagalice, M Ledevin, C Babarit, P Costiou, F Jamme, M Fusellier, Y Mallem, C Ciron, C Huchet, C Caillaud, M-A Colle
Pompe disease is a lysosomal storage disorder caused by acid-α-glucosidase (GAA) deficiency, leading to glycogen storage. The disease manifests as a fatal cardiomyopathy in infantile form. Enzyme replacement therapy (ERT) has recently prolonged the lifespan of these patients, revealing a new natural history. The neurologic phenotype and the persistence of selective muscular weakness in some patients could be attributed to the central nervous system (CNS) storage uncorrected by ERT. GAA-KO 6neo/6neo mice were treated with a single intrathecal administration of adeno-associated recombinant vector (AAV) mediated gene transfer of human GAA at 1 month and their neurologic, neuromuscular, and cardiac function was assessed for 1 year...
September 6, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28827282/a-novel-image-based-high-throughput-screening-assay-discovers-therapeutic-candidates-for-adult-polyglucosan-body-disease
#17
Leonardo J Solmesky, Netaly Khazanov, Hanoch Senderowitz, Peixiang Wang, Berge A Minassian, Igor M Ferreira, Wyatt W Yue, Alexander Lossos, Miguel Weil, Or Kakhlon
Glycogen storage disorders (GSDs) are caused by excessive accumulation of glycogen. Some GSDs [adult polyglucosan (PG) body disease (APBD), and Tarui and Lafora diseases] are caused by intracellular accumulation of insoluble inclusions, called PG bodies (PBs), which are chiefly composed of malconstructed glycogen. We developed an APBD patient skin fibroblast cell-based assay for PB identification, where the bodies are identified as amylase-resistant periodic acid-Schiff's-stained structures, and quantified...
September 28, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28685844/genetic-characterization-of-gsd-i-in-serbian-population-revealed-unexpectedly-high-incidence-of-gsd-ib-and-3-novel-slc37a4-variants
#18
A Skakic, M Djordjevic, A Sarajlija, K Klaassen, N Tosic, B Kecman, M Ugrin, V Spasovski, S Pavlovic, M Stojiljkovic
Glycogen storage disease (GSD) type I is inborn metabolic disease characterized by accumulation of glycogen in multiple organs. We analyzed 38 patients with clinical suspicion of GSD I using Sanger and next-generation sequencing (NGS). We identified 28 GSD Ib and 5 GSD Ia patients. In 5 patients, GSD III, VI, IX, cholesteryl-ester storage disease and Shwachman-Diamond syndrome diagnoses were set using NGS. Incidences for GSD Ia and GSD Ib were estimated at 1:172 746 and 1:60 461 live-births, respectively...
February 2018: Clinical Genetics
https://www.readbyqxmd.com/read/28658866/unusual-presentation-of-atypical-infantile-pompe-disease-in-the-newborn-period-with-left-ventricular-hypertrophy
#19
Sanjay Kumar, Amit Kumar
Pompe disease, also known as glycogen storage disease Type II, is a lysosomal storage disorder caused by α-glucosidase deficiency. In general, the clinical spectrum varies with respect to the age of onset, residual enzyme activity and organ involvement. Infantile onset disease has two subtypes: classical and non-classical (atypical). This case report describes the case of a newborn who presented with generalized hypotonia and elevated serum enzyme levels of aspartate aminotransferase 93 IU/L, lactate dehydrogenase 888 IU/L and creatine kinase 670 μg/L...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28657663/next-generation-deep-sequencing-corrects-diagnostic-pitfalls-of-traditional-molecular-approach-in-a-patient-with-prenatal-onset-of-pompe-disease
#20
Anne Chun-Hui Tsai, Yu-Wen Hung, Cary Harding, David M Koeller, Jing Wang, Lee-Jun C Wong
Pompe disease is a rare inherited metabolic disorder of glycogen metabolism caused by mutations in the GAA gene, encoding the acid α-1,4 glucosidase. Successful diagnosis of Pompe disease is achieved by clinical and biochemical evaluation followed by confirmation with DNA testing. Here, we report a male infant with a prenatal onset of cardiac symptoms and enzyme testing consistent with Pompe disease, but DNA testing by Sanger sequencing revealed no pathogenic variants. Due to the strong indication from clinical, enzymatic, and histological studies (despite the absence of molecular confirmation by traditional Sanger sequencing), enzyme replacement therapy (ERT) for Pompe disease was initiated...
September 2017: American Journal of Medical Genetics. Part A
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