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glycogen storage disease

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https://www.readbyqxmd.com/read/29770361/differential-diagnosis-of-vacuolar-muscle-biopsies-use-of-p62-lc3-and-lamp2-immunohistochemistry
#1
Elisa Vittonatto, Silvia Boschi, Loredana CHIADò-Piat, Valentina Ponzalino, Sara Bortolani, Chiara Brusa, Innocenzo Rainero, Federica Ricci, Liliana Vercelli, Tiziana Mongini
Intrafibral vacuoles are the morphological hallmark in a wide variety of human skeletal muscle disorders with different etiology. In most cases, differential diagnosis is feasible with a routine histochemical work up of muscle biopsy. Ultrastructural analysis is an important confirmatory tool, but it is not widely available. Immunohistochemical stainings for p62, LAMP2 and LC3 are commonly available as tissutal marker for autophagy. We compared the immunohistochemical patterns for autophagic markers p62, LC3 and LAMP2 with routine histochemical markers in 39 biopsies from patients with definite diagnoses of glycogen storage disease type 2 (LOPD or Pompe disease, PD), sporadic inclusion body myositis (sIBM), oculo-pharyngeal muscular dystrophy (OPMD) and necrotizing myopathy (NM)...
December 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29750741/hemophagocytic-lymphohystiocytosis-associated-with-type-ia-glycogen-storage-disease
#2
Yeter Düzenli Kar, Zeynep C Özdemir, Eylem Kiral, Gonca Kiliç Yildirim, Ener Ç Dinleyici, Özcan Bör
BACKGROUND: Hemophagocytic lymphohystiocytosis (HLH) is characterized by fever, splenomegaly, pancytopenia, and elevated levels of triglycerides and ferritin. These signs and symptoms are common to other metabolic diseases. OBSERVATION: A 5-month-old female infant, who presented with fever, respiratory distress, massive hepatomegaly, and bicytopenia, was diagnosed as having HLH and chemotherapy was initiated. The patient was negative for familial HLH gene mutations...
May 10, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29749992/a-new-mutation-causing-severe-infantile-onset-pompe-disease-responsive-to-enzyme-replacement-therapy
#3
Hossein Moravej, Anis Amirhakimi, Alireza Showraki, Hamid Amoozgar, Zahra Hadipour, Ghasem Nikfar
Pompe disease (PD), also known as "glycogen storage disease type II (OMIM # 232300)" is a rare autosomal recessive disorder characterized by progressive glycogen accumulation in cellular lysosomes. It ultimately leads to cellular damage. Infantile-onset Pompe disease (IOPD) is the most severe type of this disease and is characterized by severe hypertrophic cardiomyopathy and generalized hypotonia. Mutations in the acid alpha-glucosidase ( GAA ) gene, located at locus 17q25.3, are responsible for the disease leading to reduced activity of the acid alpha-glucosidase enzyme...
March 2018: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29740774/sirtuin-signaling-controls-mitochondrial-function-in-glycogen-storage-disease-type-ia
#4
Jun-Ho Cho, Goo-Young Kim, Brian C Mansfield, Janice Y Chou
Glycogen storage disease type Ia (GSD-Ia) deficient in glucose-6-phosphatase-α (G6Pase-α) is a metabolic disorder characterized by impaired glucose homeostasis and a long-term complication of hepatocellular adenoma/carcinoma (HCA/HCC). Mitochondrial dysfunction has been implicated in GSD-Ia but the underlying mechanism and its contribution to HCA/HCC development remain unclear. We have shown that hepatic G6Pase-α deficiency leads to downregulation of sirtuin 1 (SIRT1) signaling that underlies defective hepatic autophagy in GSD-Ia...
May 8, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29728912/effect-of-cryopreservation-on-the-appearance-and-liver-function-of-hepatocyte-like-cells-in-cultures-of-cirrhotic-liver-of-biliary-atresia
#5
Taisuke Yamazaki, Shin Enosawa, Takayoshi Tokiwa
Previously, we reported that non-parenchymal cell (NPC) fractions from cirrhotic liver of biliary atresia (BA) may contain stem/progenitor cells, and clusters of hepatocyte-like cells appear via hepatocyte growth factor/c-Met signaling in primary cultures of NPCs. BA is a rare and serious liver disease, and procurement of BA cells is difficult. Therefore, cryopreservation of BA liver cells is an unavoidable challenge. In this study, we examined the appearance and liver function of hepatocyte-like cells in cultures of BA liver-derived NPC fractions after cryopreservation for 1 or 6 mo using a chemically defined cryopreservation solution, STEM-CELLBANKER...
May 4, 2018: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/29719821/the-physiopathological-role-of-the-exchangers-belonging-to-the-slc37-family
#6
REVIEW
Anna Rita Cappello, Rosita Curcio, Rosamaria Lappano, Marcello Maggiolini, Vincenza Dolce
The human SLC37 gene family includes four proteins SLC37A1-4, localized in the endoplasmic reticulum (ER) membrane. They have been grouped into the SLC37 family due to their sequence homology to the bacterial organophosphate/phosphate (Pi) antiporter. SLC37A1-3 are the less characterized isoforms. SLC37A1 and SLC37A2 are Pi-linked glucose-6-phosphate (G6P) antiporters, catalyzing both homologous (Pi/Pi) and heterologous (G6P/Pi) exchanges, whereas SLC37A3 transport properties remain to be clarified. Furthermore, SLC37A1 is highly homologous to the bacterial glycerol 3-phosphate permeases, so it is supposed to transport also glycerol-3-phosphate...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29709217/glycogenic-hepatopathy
#7
Johad Khoury, Yaniv Zohar, Naim Shehadeh, Tarek Saadi
BACKGROUND: Glycogenic hepatopathy (GH) is a disorder associated with uncontrolled diabetes mellitus, most commonly type 1, expressed as right upper quadrant abdominal pain, hepatomegaly and increased liver enzymes. The diagnosis may be difficult, because laboratory and imaging tests are not pathognomonic. Although GH may be suggested based on clinical presentation and imaging studies, the gold standard for diagnosis is a liver biopsy, showing a significant accumulation of glycogen within the hepatocytes...
April 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
https://www.readbyqxmd.com/read/29695245/identification-of-genomic-regions-and-candidate-genes-for-chicken-meat-ultimate-ph-by-combined-detection-of-selection-signatures-and-qtl
#8
Elisabeth Le Bihan-Duval, Christelle Hennequet-Antier, Cécile Berri, Stéphane A Beauclercq, Marie Christine Bourin, Maryse Boulay, Olivier Demeure, Simon Boitard
BACKGROUND: The understanding of the biological determinism of meat ultimate pH, which is strongly related to muscle glycogen content, is a key point for the control of muscle integrity and meat quality in poultry. In the present study, we took advantage of a unique model of two broiler lines divergently selected for the ultimate pH of the pectoralis major muscle (PM-pHu) in order to decipher the genetic control of this trait. Two complementary approaches were used: detection of selection signatures generated during the first five generations and genome-wide association study for PM-pHu and Sartorius muscle pHu (SART-pHu) at the sixth generation of selection...
April 25, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29686746/black-seed-thymoquinone-improved-insulin-secretion-hepatic-glycogen-storage-and-oxidative-stress-in-streptozotocin-induced-diabetic-male-wistar-rats
#9
Heba M A Abdelrazek, Omnia E Kilany, Muhammad A A Muhammad, Hend M Tag, Aaser M Abdelazim
Diabetes mellitus is one of the metabolic diseases having several complications. Nigella sativa oil (NSO) might have beneficial effects in the treatment of diabetic complications. Thirty-two mature male Wistar rats were equally divided into four experimental groups: control, control NSO 2 mL/kg, streptozotocin- (STZ-) induced diabetic, and diabetic (STZ-induced) treated with oral NSO 2 mg/kg for 30 days. Fasting blood glucose (FBG), insulin, and lipid profile levels were determined. Pancreatic and hepatic tissues were used for catalase and GSH...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29668480/the-6th-rare-disease-south-eastern-europe-see-meeting-skopje-macedonia-november-11th-2017
#10
Zoran Gucev, Velibor Tasic, Momir Polenakovic
The sixth SEE meeting on rare diseases (RDs) was held in MASA the November 10th, 2017. A block of lectures on rare renal diseases started the meeting: nephrotic syndrome, Alport syndrome, atypical HUS, hypophosphatemic rickets, CAKUT were presented in all complexities. Their molecular and genetic mechanisms were discussed. The discovery of a dozen of newly genes in CAKUT, congenital overgrowth, spodilocostal dysplasia, precocious puberty has been done with collaboration of Macedonian and foreign researchers...
December 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/29668449/budgetary-impact-of-medicinal-therapies-for-rare-diseases-in-bulgaria
#11
Georgi G Iskrov, Mihajlo Michael Jakovljevic, Rumen S Stefanov
BACKGROUND: Rare diseases have been continually outlined as one of the causes for the National Health Insurance Fund's (NHIF) deficit spending in Bulgaria. AIM: To estimate the budgetary impact of rare disease medicinal therapies from NHIF perspective for 2014 and 2016. MATERIALS AND METHODS: Budgetary impact of rare diseases is calculated as a percentage of NHIF total pharmaceutical spending. Total expenditure per ICD-10 code, mean annual number of patients reimbursed and mean annual cost per patient are analysed...
March 1, 2018: Folia Medica
https://www.readbyqxmd.com/read/29663456/label-free-identification-of-myopathological-features-with-coherent-anti-stokes-raman-scattering
#12
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/29663270/molecular-biology-and-gene-therapy-for-glycogen-storage-disease-type-ib
#13
Janice Y Chou, Jun-Ho Cho, Goo-Young Kim, Brian C Mansfield
Glycogen storage disease type Ib (GSD-Ib) is caused by a deficiency in the ubiquitously expressed glucose-6-phosphate (G6P) transporter (G6PT or SLC37A4). The primary function of G6PT is to translocate G6P from the cytoplasm into the lumen of the endoplasmic reticulum (ER). Inside the ER, G6P is hydrolyzed to glucose and phosphate by either the liver/kidney/intestine-restricted glucose-6-phosphatase-α (G6Pase-α) or the ubiquitously expressed G6Pase-β. A deficiency in G6Pase-α causes GSD type Ia (GSD-Ia) and a deficiency in G6Pase-β causes GSD-I-related syndrome (GSD-Irs)...
April 16, 2018: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/29663268/dental-and-periodontal-manifestations-of-glycogen-storage-diseases-a-case-series-of-60-patients
#14
Martin Biosse Duplan, Aurélie Hubert, Elvire Le Norcy, Alice Louzoun, Ariane Perry, Catherine Chaussain, Philippe Labrune
Glycogen storage diseases (GSDs) are rare genetic disorders of glycogen metabolism where the liver, kidneys, respiratory and cardiac muscles, as well as the immune and skeletal systems can be affected. Oral manifestations can also be present, but the specificity and frequency of these manifestations in the different forms of GSD are unknown. Analysis of a case series of 60 patients presenting four types of GSD (Ia, Ib, III, and IX) showed that the different types of GSDs have common and specific oral manifestations...
April 16, 2018: Journal of Inherited Metabolic Disease
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
#15
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...
February 2018: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29614965/genetic-analysis-and-clinical-assessment-of-four-patients-with-glycogen-storage-disease-type-iiia-in-china
#16
Yu Zhang, Mingming Xu, Xiaoxia Chen, Aijuan Yan, Guoyong Zhang, Zhenguo Liu, Wenjuan Qiu
BACKGROUND: Glycogen Storage Disease Type III (GSD III) is a rare autosomal recessive metabolic disorder caused by AGL gene mutation. There is significant heterogeneity between the clinical manifestations and the gene mutation of AGL among different ethnic groups. However, GSD III is rarely reported in Chinese population. CASE PRESENTATION: In this study, we aimed to study the genetic and clinical characteristics of four patients with GSD IIIa from China, especially the neurological manifestations...
April 4, 2018: BMC Medical Genetics
https://www.readbyqxmd.com/read/29614584/-glycogen-storage-disease-type-%C3%A2-a-a-rare-cause-of-gout-in-adolescent-and-young-adult-patients
#17
N Xu, X M Huang, W G Fang, Y Zhang, Z Q Qiu, X J Zeng
Objective: To analyze the clinical features of secondary gout in glycogen storage disease type Ⅰa (GSD Ⅰa), so as to improve the awareness of this disease. Methods: The clinical features, laboratory findings, treatments and prognosis of 5 GSD Ⅰa patients with secondary gout who had been admitted to the Peking Union Medical College Hospital during 2006 to 2016 were collected and analyzed. GSD Ⅰa was confirmed by liver biopsy and genotyping. Results: Among the 5 patients (median age: 27 years), 3 were males and 2 were females...
April 1, 2018: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
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
#18
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/29594646/newborn-screening-for-pompe-disease-impact-on-families
#19
B Pruniski, E Lisi, N Ali
Pompe disease (PD) is an autosomal recessive lysosomal storage disorder causing progressive glycogen accumulation in muscles, with variability in age of onset and severity. For infantile-onset PD (IOPD), initiation of early treatment can be life-saving; however, current newborn screening (NBS) technology cannot distinguish IOPD from late-onset PD (LOPD) without clinical workup. Therefore, families of LOPD infants diagnosed by NBS may now spend years or even decades aware of their illness before symptoms appear, creating a pre-symptomatic awareness phase with which the medical community has little experience...
March 28, 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
#20
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
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