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Journal of Inherited Metabolic Disease

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https://www.readbyqxmd.com/read/28054209/long-term-outcome-of-expanded-newborn-screening-at-boston-children-s-hospital-benefits-and-challenges-in-defining-true-disease
#1
Yuval E Landau, Susan E Waisbren, Lawrence M A Chan, Harvey L Levy
INTRODUCTION: There is no universal consensus of the disorders included in newborn screening programs. Few studies so far, mostly short-term, have compared the outcome of disorders detected by expanded newborn screening (ENBS) to the outcome of the same disorders detected clinically. METHODS: We compared the clinical and neurodevelopmental outcomes in patients with metabolic disorders detected by ENBS, including biotinidase testing, with those detected clinically and followed at the Metabolism Clinic at Boston Children's Hospital...
January 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28054208/is-2d-speckle-tracking-echocardiography-useful-for-detecting-and-monitoring-myocardial-dysfunction-in-adult-m-3243a-g-carriers-a-retrospective-pilot-study
#2
S Koene, J Timmermans, G Weijers, P de Laat, C L de Korte, J A M Smeitink, M C H Janssen, L Kapusta
OBJECTIVES: Cardiomyopathy is a common complication of mitochondrial disorders, associated with increased mortality. Two dimensional speckle tracking echocardiography (2DSTE) can be used to quantify myocardial deformation. Here, we aimed to determine the usefulness of 2DSTE in detecting and monitoring subtle changes in myocardial dysfunction in carriers of the 3243A>G mutation in mitochondrial DNA. METHODS: In this retrospective pilot study, 30 symptomatic and asymptomatic carriers of the mitochondrial 3243A>G mutation of whom two subsequent echocardiograms were available were included...
January 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28054207/mortality-after-hematopoietic-stem-cell-transplantation-for-severe-mucopolysaccharidosis-type-i-the-30-year-university-of-minnesota-experience
#3
Nathan J Rodgers, Alexander M Kaizer, Weston P Miller, Kyle D Rudser, Paul J Orchard, Elizabeth A Braunlin
BACKGROUND AND AIM: Mucopolysaccharidosis IH (MPS IH, Hurler syndrome) naturally leads to death within the first decade of life, primarily from cardiac and pulmonary causes. To determine how hematopoietic stem cell transplantation (HSCT) has altered mortality, we analyzed our institution's 30-year experience of patients with MPS IH undergoing HSCT. METHODS: Using chart review and the National Death Index, we determined survival status of 134 patients (males = 69) with MPS IH transplanted between 9/16/1983 and 7/25/2013 on 12/31/2013...
January 4, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27995398/a-slc39a8-variant-causes-manganese-deficiency-and-glycosylation-and-mitochondrial-disorders
#4
Lisa G Riley, Mark J Cowley, Velimir Gayevskiy, Tony Roscioli, David R Thorburn, Kristina Prelog, Melanie Bahlo, Carolyn M Sue, Shanti Balasubramaniam, John Christodoulou
SLC39A8 variants have recently been reported to cause a type II congenital disorder of glycosylation (CDG) in patients with intellectual disability and cerebellar atrophy. Here we report a novel SLC39A8 variant in siblings with features of Leigh-like mitochondrial disease. Two sisters born to consanguineous Lebanese parents had profound developmental delay, dystonia, seizures and failure to thrive. Brain MRI of both siblings identified bilateral basal ganglia hyperintensities on T2-weighted imaging and cerebral atrophy...
December 19, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27966099/small-molecules-as-therapeutic-agents-for-inborn-errors-of-metabolism
#5
REVIEW
Leslie Matalonga, Laura Gort, Antonia Ribes
Most inborn errors of metabolism (IEM) remain without effective treatment mainly due to the incapacity of conventional therapeutic approaches to target the neurological symptomatology and to ameliorate the multisystemic involvement frequently observed in these patients. However, in recent years, the therapeutic use of small molecules has emerged as a promising approach for treating this heterogeneous group of disorders. In this review, we focus on the use of therapeutically active small molecules to treat IEM, including readthrough agents, pharmacological chaperones, proteostasis regulators, substrate inhibitors, and autophagy inducers...
December 13, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27909832/news-and-views
#6
Sander M Houten
No abstract text is available yet for this article.
December 1, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27878409/analysis-of-the-functional-muscle-bone-unit-of-the-forearm-in-patients-with-phenylketonuria-by-peripheral-quantitative-computed-tomography
#7
Daniela Choukair, Carolin Kneppo, Reinhard Feneberg, Eckhard Schönau, Martin Lindner, Stefan Kölker, Georg F Hoffmann, Burkhard Tönshoff
Bone disease in patients with phenylketonuria (PKU) is incompletely characterized. We therefore analyzed, in a cross-sectional study radius macroscopic bone architecture and forearm muscle size by peripheral quantitative computed tomography (pQCT) and muscle strength by hand dynamometry in a large cohort (n = 56) of adolescent and adult patients with PKU aged 26.0 ± 8.9 (range, 11.8-41.5) years. Data were compared with a reference population (n = 700) from the DONALD study using identical methodology...
November 22, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27858262/international-clinical-guideline-for-the-management-of-classical-galactosemia-diagnosis-treatment-and-follow-up
#8
Lindsey Welling, Laurie E Bernstein, Gerard T Berry, Alberto B Burlina, François Eyskens, Matthias Gautschi, Stephanie Grünewald, Cynthia S Gubbels, Ina Knerr, Philippe Labrune, Johanna H van der Lee, Anita MacDonald, Elaine Murphy, Pat A Portnoi, Katrin Õunap, Nancy L Potter, M Estela Rubio-Gozalbo, Jessica B Spencer, Inge Timmers, Eileen P Treacy, Sandra C Van Calcar, Susan E Waisbren, Annet M Bosch
Classical galactosemia (CG) is an inborn error of galactose metabolism. Evidence-based guidelines for the treatment and follow-up of CG are currently lacking, and treatment and follow-up have been demonstrated to vary worldwide. To provide patients around the world the same state-of-the-art in care, members of The Galactosemia Network (GalNet) developed an evidence-based and internationally applicable guideline for the diagnosis, treatment, and follow-up of CG. The guideline was developed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) system...
November 17, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27837294/the-galactosemia-network-galnet
#9
LETTER
M E Rubio-Gozalbo, A M Bosch, A Burlina, G T Berry, E P Treacy
No abstract text is available yet for this article.
November 11, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27832416/slow-continuous-enzyme-replacement-via-spinal-csf-in-dogs-with-the-paediatric-onset-neurodegenerative-disease-mps-iiia
#10
Barbara King, Neil R Marshall, Sofia Hassiotis, Paul J Trim, Justin Tucker, Kathryn Hattersley, Marten F Snel, Robert D Jolly, John J Hopwood, Kim M Hemsley
Intra-cerebrospinal fluid (CSF) injection of recombinant human lysosomal enzyme is a potential treatment strategy for several neurodegenerative lysosomal storage disorders including Sanfilippo syndrome (Mucopolysaccharidosis type IIIA; MPS IIIA). Here we have utilised the MPS IIIA Huntaway dog model to compare the effectiveness of the repeated intermittent bolus injection strategy being used in the trials with an alternate approach; slow, continual infusion of replacement enzyme (recombinant human sulphamidase; rhSGSH) into the spinal CSF using a SynchroMed II® pump attached to a spinal infusion cannula...
November 10, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27832415/household-financial-burden-of-phenylketonuria-and-its-impact-on-treatment-in-china-a-cross-sectional-study
#11
Lin Wang, Hui Zou, Fang Ye, Kundi Wang, Xiaowen Li, Zhihua Chen, Jie Chen, Bingjuan Han, Weimin Yu, Chun He, Ming Shen
BACKGROUND: Phenylketonuria (PKU) is a rare inborn disease, which, untreated, leading to severe neurobehavioral dysfunction. Considering its complexity, the management of PKU may bring a formidable economic burden to parents and caregivers. It is still unknown what the out-of-pocket expenses are for a patient with PKU in China. This paper explores the household financial burden of classical PKU and its impact on Chinese families in a quantitative manner for the first time. METHODS: A non-interventional and observational study was conducted at the China-Japan Friendship Hospital, one of the national centers for inherited metabolic disorders in China...
November 10, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27832414/herpetiform-keratitis-and-palmoplantar-hyperkeratosis-warning-signs-for-richner-hanhart-syndrome
#12
Diogo C Soares, Mariana N Stroparo, Yu C Lian, Cristina Y Takakura, Sabrina Wolf, Regina Betz, Chong A Kim
Richner-Hanhart syndrome (RHS, tyrosinemia type II) is a rare, autosomal recessive inborn error of tyrosine metabolism caused by tyrosine aminotransferase deficiency. It is characterized by photophobia due to keratitis, painful palmoplantar hyperkeratosis, variable mental retardation, and elevated serum tyrosine levels. Patients are often misdiagnosed with herpes simplex keratitis. We report on a a boy from Brazil who presented with bilateral keratitis secondary to RHS, which had earlier been misdiagnosed as herpes simplex keratitis...
November 10, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27766444/flunarizine-rescues-reduced-lifespan-in-cln3-triple-knock-out-caenorhabditis-elegans-model-of-batten-disease
#13
Young Joon Kwon, Marni J Falk, Michael J Bennett
CLN3 disease (Spielmeyer-Vogt-Sjogren-Batten disease, previously known as classic juvenile neuronal ceroid lipofuscinosis, NCL) is a pediatric-onset progressive neurodegenerative disease characterized by progressive vision loss, seizures, loss of cognitive and motor function, and early death. While no precise biochemical mechanism or therapies are known, the pathogenesis of CLN3 disease involves intracellular calcium accumulation that may trigger apoptosis. Our prior work in in vitro cell models of CLN3 deficiency suggested that FDA-approved calcium channel antagonists may have therapeutic value...
October 20, 2016: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27957610/carla-e-m-hollak-and-robin-lachmann-editors-inherited-metabolic-disease-in-adults%C3%A2-a-clinical-guide-oxford-university-press-2016-626-pages-%C3%A2-130-isbn-978019997213
#14
https://www.readbyqxmd.com/read/27957609/jean-marie-saudubray-matthias-r-baumgartner-john-walter-eds-inborn-metabolic-diseases-diagnosis-and-treatment-2016-658%C3%A2-pp-isbn-978-3-66249771-5
#15
Ulrike Mütze
No abstract text is available yet for this article.
January 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27942911/g-f-hoffmann-j-zschocke-w-nyhan-eds-inherited-metabolic-diseases-a-clinical-approach-second-edition-heidelberg-springer-verlag-2017-isbn-3662494108-9783662494103
#16
https://www.readbyqxmd.com/read/27905001/guidelines-for-diagnosis-and-management-of-the-cobalamin-related-remethylation-disorders-cblc-cbld-cble-cblf-cblg-cblj-and-mthfr-deficiency
#17
Martina Huemer, Daria Diodato, Bernd Schwahn, Manuel Schiff, Anabela Bandeira, Jean-Francois Benoist, Alberto Burlina, Roberto Cerone, Maria L Couce, Angeles Garcia-Cazorla, Giancarlo la Marca, Elisabetta Pasquini, Laura Vilarinho, James D Weisfeld-Adams, Viktor Kožich, Henk Blom, Matthias R Baumgartner, Carlo Dionisi-Vici
BACKGROUND: Remethylation defects are rare inherited disorders in which impaired remethylation of homocysteine to methionine leads to accumulation of homocysteine and perturbation of numerous methylation reactions. OBJECTIVE: To summarise clinical and biochemical characteristics of these severe disorders and to provide guidelines on diagnosis and management. DATA SOURCES: Review, evaluation and discussion of the medical literature (Medline, Cochrane databases) by a panel of experts on these rare diseases following the GRADE approach...
January 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27896524/guidelines-on-homocystinurias-and-methylation-defects-a-harmonized-approach-to-diagnosis-and-management
#18
EDITORIAL
Eva Morava
No abstract text is available yet for this article.
January 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27853989/proposed-recommendations-for-diagnosing-and-managing-individuals-with-glutaric-aciduria-type-i-second-revision
#19
REVIEW
Nikolas Boy, Chris Mühlhausen, Esther M Maier, Jana Heringer, Birgit Assmann, Peter Burgard, Marjorie Dixon, Sandra Fleissner, Cheryl R Greenberg, Inga Harting, Georg F Hoffmann, Daniela Karall, David M Koeller, Michael B Krawinkel, Jürgen G Okun, Thomas Opladen, Roland Posset, Katja Sahm, Johannes Zschocke, Stefan Kölker
Glutaric aciduria type I (GA-I; synonym, glutaric acidemia type I) is a rare inherited metabolic disease caused by deficiency of glutaryl-CoA dehydrogenase located in the catabolic pathways of L-lysine, L-hydroxylysine, and L-tryptophan. The enzymatic defect results in elevated concentrations of glutaric acid, 3-hydroxyglutaric acid, glutaconic acid, and glutaryl carnitine in body tissues, which can be reliably detected by gas chromatography/mass spectrometry (organic acids) and tandem mass spectrometry (acylcarnitines)...
January 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/27853988/antenatal-manifestations-of-inborn-errors-of-metabolism-prenatal-imaging-findings
#20
Laurent Guibaud, Sophie Collardeau-Frachon, Audrey Lacalm, Mona Massoud, Massimiliano Rossi, Marie Pierre Cordier, Christine Vianey-Saban
Prenatal manifestations of inborn errors of metabolism (IEM) are related to severe disorders involving metabolic pathways active in the fetal period and not compensated by maternal or placental metabolism. Some prenatal imaging findings can be suggestive of such conditions-especially in cases of consanguinity and/or recurrence of symptoms-after exclusion of the most frequent nonmetabolic etiologies. Most of these prenatal imaging findings are nonspecific. They include mainly ascites and hydrops fetalis, intrauterine growth restriction (IUGR), central nervous system (CNS) anomalies, echogenic kidneys, epiphyseal stippling, craniosynostosis, and a wide spectrum of dysostoses...
January 2017: Journal of Inherited Metabolic Disease
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