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Gauchers disease

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https://www.readbyqxmd.com/read/28634598/previously-unrecognized-behavioral-phenotype-in-gaucher-disease-type-3
#1
Magy Abdelwahab, Michael Potegal, Elsa G Shapiro, Igor Nestrasil
OBJECTIVE: To provide a comprehensive description of abnormal behaviors in patients with Gaucher disease type 3 (GD3) and relate these behaviors to demographic, neurodevelopmental, and neurologic characteristics. METHODS: Thirty-four Egyptian patients with GD3 (mean age of 7.9 years) were enrolled in the study. They were selected based on parent report and/or physician observation of one or more abnormal behaviors documented in 2 settings and by 2 different individuals and/or by video recording...
June 2017: Neurology. Genetics
https://www.readbyqxmd.com/read/28607008/the-dipole-potential-correlates-with-lipid-raft-markers-in-the-plasma-membrane-of-living-cells
#2
Tamás Kovács, Gyula Batta, Florina Zákány, János Szöllősi, Peter Nagy
The dipole potential generating an electric field much stronger than any other type of membrane potential influences a wide array of phenomena ranging from passive permeation to voltage-dependent conformational changes of membrane proteins. It is generated by the ordered orientation of lipid carbonyl and membrane-attached water dipole moments. Theoretical considerations and indirect experimental evidence obtained in model membranes suggest that the dipole potential is larger in liquid-ordered domains believed to correspond to lipid rafts in cell membranes...
June 12, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28598856/glucocerebrosidase-mutations-in-parkinson-disease
#3
Grace O'Regan, Ruth-Mary deSouza, Roberta Balestrino, A H Schapira
Following the discovery of a higher than expected incidence of Parkinson Disease (PD) in Gaucher disease, a lysosomal storage disorder, mutations in the glucocerebrocidase (GBA) gene, which encodes a lysosomal enzyme involved in sphingolipid degradation were explored in the context of idiopathic PD. GBA mutations are now known to be the single largest risk factor for development of idiopathic PD. Clinically, on imaging and pharmacologically, GBA PD is almost identical to idiopathic PD. In patients with a known GBA mutation, it is possible to monitor for prodromal signs of PD...
June 7, 2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28596107/a-novel-function-for-glucocerebrosidase-as-a-regulator-of-sterylglucoside-metabolism
#4
REVIEW
Hisako Akiyama, Yoshio Hirabayashi
BACKGROUND: Sterols are major cell membrane lipids, and in many organisms they are modified with glucose to generate sterylglucosides. Glucosylation dramatically changes the functional properties of sterols. The formation of sterylglucosides from sterols in plants, fungi, and bacteria uses UDP-glucose as a glucose donor. By contrast, sterylglucoside biosynthesis in mammals is catalyzed by the transglucosylation activity of glucocerebrosidases, with glucosylceramide acting as the glucose donor...
June 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28593894/5th-rare-disease-south-eastern-europe-see-meeting-skopje-macedonia-november-15th-2016
#5
Zoran Gucev, Velibor Tasic, Momir Polenakovic
The fifth SEE meeting on rare diseases (RDs) was held in Macedonian Academy of Sciences and Arts (MASA) the November 11th, 2016. Several lectures dealt with mucopolysaccharidosis, glycogen storage diseases and the possibilities for their diagnosis and treatment. Enzyme replacement treatment (ERT), its availability, effects (or the lack of it) on the brain, and further prospects of eventual gene treatment were comprehensively exposed and discussed. Special accent was on Gaucher, Morquio IVA, Hunter and the audience was given new knowledge on the complexities of diagnosis and treatment...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28592657/induced-pluripotent-stem-cell-models-of-lysosomal-storage-disorders
#6
REVIEW
Daniel K Borger, Benjamin McMahon, Tamanna Roshan Lal, Jenny Serra-Vinardell, Elma Aflaki, Ellen Sidransky
Induced pluripotent stem cells (iPSCs) have provided new opportunities to explore the cell biology and pathophysiology of human diseases, and the lysosomal storage disorder research community has been quick to adopt this technology. Patient-derived iPSC models have been generated for a number of lysosomal storage disorders, including Gaucher disease, Pompe disease, Fabry disease, metachromatic leukodystrophy, the neuronal ceroid lipofuscinoses, Niemann-Pick types A and C1, and several of the mucopolysaccharidoses...
June 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28585220/inherited-arterial-calcification-syndromes-etiologies-and-treatment-concepts
#7
REVIEW
Yvonne Nitschke, Frank Rutsch
PURPOSE OF REVIEW: We give an update on the etiology and potential treatment options of rare inherited monogenic disorders associated with arterial calcification and calcific cardiac valve disease. RECENT FINDINGS: Genetic studies of rare inherited syndromes have identified key regulators of ectopic calcification. Based on the pathogenic principles causing the diseases, these can be classified into three groups: (1) disorders of an increased extracellular inorganic phosphate/inorganic pyrophosphate ratio (generalized arterial calcification of infancy, pseudoxanthoma elasticum, arterial calcification and distal joint calcification, progeria, idiopathic basal ganglia calcification, and hyperphosphatemic familial tumoral calcinosis; (2) interferonopathies (Singleton-Merten syndrome); and (3) others, including Keutel syndrome and Gaucher disease type IIIC...
June 5, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28583274/benign-bone-conditions-that-may-be-fdg-avid-and-mimic-malignancy
#8
REVIEW
Thomas C Kwee, John M H de Klerk, Maarten Nix, Ben G F Heggelman, Stefan V Dubois, Hugo J A Adams
Positron emission tomography with the radiotracer (18)F-fluoro-2-deoxy-d-glucose (FDG) plays an important role in the evaluation of bone pathology. However, FDG is not a cancer-specific agent, and knowledge of the differential diagnosis of benign FDG-avid bone alterations that may resemble malignancy is important for correct patient management, including the avoidance of unnecessary additional invasive tests such as bone biopsy. This review summarizes and illustrates the spectrum of benign bone conditions that may be FDG-avid and mimic malignancy, including osteomyelitis, bone lesions due to benign systemic diseases (Brown tumor, Erdheim-Chester disease, Gaucher disease, gout and other types of arthritis, Langerhans cell histiocytosis, and sarcoidosis), benign primary bone lesions (bone cysts, chondroblastoma, chondromyxoid fibroma, desmoplastic fibroma, enchondroma, giant cell tumor and granuloma, hemangioma, nonossifying fibroma, and osteoid osteoma and osteoblastoma), and a group of miscellaneous benign bone conditions (post bone marrow biopsy or harvest status, bone marrow hyperplasia, fibrous dysplasia, fractures, osteonecrosis, Paget disease of bone, particle disease, and Schmorl nodes)...
July 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28580830/thrombocytopenia-and-gba-gene-mutation-in-a-patient-with-adult-type-1-gaucher-disease
#9
Lagen Wan, Hong Wu, Fuyuan Xie, Yijun Nie
A 38-year-old female patient was diagnosed with anemia for 3 years. Medical examination showed slight splenomegaly (250 × 62 mm), thrombocytopenia (platelets 51 × 10(9)/L), anemia (Hb levels 107 g/L), and β-glucocerebrosidase activity (GBA) in leukocytes was lower than normal. Microscopic findings of bone marrow smear demonstrated that Gaucher cells in bone marrow and periodic acid-Schiff staining of them were positive. Sequencing of GBA genomic and cDNA identified one novel homozygous mutation, c.484A> G (p...
June 5, 2017: Platelets
https://www.readbyqxmd.com/read/28574511/signalome-wide-rnai-screen-identifies-gba1-as-a-positive-mediator-of-autophagic-cell-death
#10
Santosh K Dasari, Shani Bialik, Smadar Levin-Zaidman, Vered Levin-Salomon, Alfred H Merrill, Anthony H Futerman, Adi Kimchi
Activating alternative cell death pathways, including autophagic cell death, is a promising direction to overcome the apoptosis resistance observed in various cancers. Yet, whether autophagy acts as a death mechanism by over consumption of intracellular components is still controversial and remains undefined at the ultrastructural and the mechanistic levels. Here we identified conditions under which resveratrol-treated A549 lung cancer cells die by a mechanism that fulfills the previous definition of autophagic cell death...
June 2, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28569047/transformation-in-pre-treatment-manifestations-of-gaucher-disease-type-1-during-two-decades-of-alglucerase-imiglucerase-enzyme-replacement-therapy-in-the-international-collaborative-gaucher-group-icgg-registry
#11
Pramod K Mistry, Julie L Batista, Hans C Andersson, Manisha Balwani, Thomas Andrew Burrow, Joel Charrow, Paige Kaplan, Aneal Khan, Priya S Kishnani, Edwin H Kolodny, Barry Rosenbloom, C Ronald Scott, Neal Weinreb
This study tests the hypothesis that the prevalence of severe clinical manifestations in Gaucher disease type 1 (GD1) patients at the time of treatment initiation has changed since alglucerase/imiglucerase enzyme replacement therapy (ERT) was approved in the United States (US) in 1991. US alglucerase/imiglucerase-treated GD1 patients from the International Collaborative Gaucher Group Gaucher Registry were stratified by age at ERT initiation (<18, 18 to <50, ≥50 years), era of ERT initiation (1991-1995, 1996-2000, 2001-2005, 2006-2009), and splenectomy status pre-ERT...
May 31, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28567032/recurring-necrotic-enteritis-outbreaks-in-commercial-broiler-chicken-flocks-strongly-influence-toxin-gene-carriage-and-species-richness-in-the-resident-clostridium-perfringens-population
#12
Marie-Lou Gaucher, Gabriel G Perron, Julie Arsenault, Ann Letellier, Martine Boulianne, Sylvain Quessy
Extensive use of antibiotic growth promoters (AGPs) in food animals has been questioned due to the globally increasing problem of antibiotic resistance. For the poultry industry, digestive health management following AGP withdrawal in Europe has been a challenge, especially the control of necrotic enteritis. Much research work has focused on gut health in commercial broiler chicken husbandry. Understanding the behavior of Clostridium perfringens in its ecological niche, the poultry barn, is key to a sustainable and cost-effective production in the absence of AGPs...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28559130/cholangiocarcinoma-occurring-in-a-patient-with-type-1-gaucher-disease-treated-with-velaglucerase-alfa-enzyme-replacement-therapy-first-case-report
#13
Jan Holubar, Virginie Bres, Valérie Costes-Martineau, Yves-Marie Pers
No abstract text is available yet for this article.
May 24, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28546865/parkinson-disease-in-gaucher-disease
#14
Federico Rodriguez-Porcel, Alberto J Espay, Miryam Carecchio
BACKGROUND: Gaucher disease (GD) is an inborn error of metabolism caused by mutations in the gene (GBA) coding for glucocerebrosidase (GCase), inherited in an autosomal recessive pattern. GD patients have up to 9% risk of developing PD. CASE PRESENTATION: We report two patients with GD that developed PD at different disease stages. CONCLUSION: We reviewed the literature on the coexistence of PD and GD and speculate that the severity of symptoms may be related to the type of GBA mutation inherited...
2017: Journal of Clinical Movement Disorders
https://www.readbyqxmd.com/read/28532689/lipid-composition-of-microdomains-is-altered-in-neuronopathic-gaucher-disease-sheep-brain-and-spleen
#15
Leanne K Hein, Tina Rozaklis, Melissa K Adams, John J Hopwood, Litsa Karageorgos
Gaucher disease is a lysosomal storage disorder caused by a deficiency in glucocerebrosidase activity that leads to accumulation of glucosylceramide and glucosylsphingosine. Membrane raft microdomains are discrete, highly organized microdomains with a unique lipid composition that provide the necessary environment for specific protein-lipid and protein-protein interactions to take place. In this study we purified detergent resistant membranes (DRM; membrane rafts) from the occipital cortex and spleen from sheep affected with acute neuronopathic Gaucher disease and wild-type controls...
May 17, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28527173/gaucher-disease-presenting-in-an-adult-with-intracerebral-bleed
#16
Sandeep Nemani, Bhumi Agrawal, Sumita Danda, Biju George
Gaucher disease (GD) is the most common lysosomal storage disorder, caused by deficiency of acid beta glucosidase. GD usually presents in children but occasional cases can present in adulthood. Here we report a case of type I GD in a 37 year old female who presented with intracerebral bleed due to long standing thrombocytopenia. She underwent splenectomy in view of limited resources for enzyme replacement therapy. With splenectomy her platelet counts normalised and neurological status also improved.
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28506293/case-report-of-unexpected-gastrointestinal-involvement-in-type-1-gaucher-disease-comparison-of-eliglustat-tartrate-treatment-and-enzyme-replacement-therapy
#17
Yoo-Mi Kim, Dong Hoon Shin, Su Bum Park, Chong Kun Cheon, Han-Wook Yoo
BACKGROUND: Gastrointestinal involvement in Gaucher disease is very rare, and appears to be unresponsive to enzyme replacement therapy (ERT). CASE PRESENTATION: Here, we describe identical twin, splenectomized, non-neuronopathic Gaucher patients on long-term ERT for 9 years, who complained of epigastric discomfort due to Gaucher cell infiltration of the gastroduodenal mucosa. Rare compound heterozygous mutations (p.Arg48Trp and p.Arg257Gln) of the GBA gene were found in both...
May 15, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28485919/stabilization-of-glucocerebrosidase-by-active-site-occupancy
#18
Fredj Ben Bdira, Wouter W Kallemeijn, Saskia V Oussoren, Saskia Scheij, Boris Bleijlevens, Bogdan I Florea, Cindy P A A van Roomen, Roelof Ottenhoff, Marielle J F M van Kooten, Marthe T C Walvoort, Martin D Witte, Rolf G Boot, Marcellus Ubbink, Herman S Overkleeft, Johannes M F G Aerts
Glucocerebrosidase (GBA) is a lysosomal β-glucosidase that degrades glucosylceramide. Its deficiency results in Gaucher disease (GD). We examined the effects of active site occupancy of GBA on its structural stability. For this, we made use of cyclophellitol-derived activity-based probes (ABPs) that bind irreversibly to the catalytic nucleophile (E340), and for comparison, we used the potent reversible inhibitor isofagomine. We demonstrate that cyclophellitol ABPs improve the stability of GBA in vitro, as revealed by thermodynamic measurements (Tm increase by 21 °C), and introduce resistance to tryptic digestion...
May 22, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28477283/linking-mitochondrial-dysfunction-to-neurodegeneration-in-lysosomal-storage-diseases
#19
REVIEW
Afshin Saffari, Stefan Kölker, Georg F Hoffmann, Darius Ebrahimi-Fakhari
Lysosomal storage diseases (LSD) are inborn errors of metabolism resulting in multisystem disease. Central nervous system involvement, often with progressive neurodegeneration, accounts for a large portion of the morbidity and mortality seen in many LSD. Available treatments fail to prevent or correct neurologic symptoms and decline. Emerging evidence points to an important role for mitochondrial dysfunction in the pathogenesis and progression of LSD-associated neurodegeneration. Mitochondrial dysfunction in LSD is characterized by alterations in mitochondrial mass, morphology and function...
May 5, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28469644/the-emerging-role-of-autophagic-lysosomal-dysfunction-in-gaucher-disease-and-parkinson-s-disease
#20
REVIEW
Kerri J Kinghorn, Amir M Asghari, Jorge Iván Castillo-Quan
Gaucher disease (GD), the commonest lysosomal storage disorder, results from the lack or functional deficiency of glucocerebrosidase (GCase) secondary to mutations in the GBA1 gene. There is an established association between GBA1 mutations and Parkinson's disease (PD), and indeed GBA1 mutations are now considered to be the greatest genetic risk factor for PD. Impaired lysosomal-autophagic degradation of cellular proteins, including α-synuclein (α-syn), is implicated in the pathogenesis of PD, and there is increasing evidence for this also in GD and GBA1-PD...
March 2017: Neural Regeneration Research
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