Standardized loading test with protein for the differentiation of phenylketonuria from hyperphenylalaninaemia.

abstract：:Twenty-one patients have been diagnosed with glutaric aciduria type I over a 16-year period in the Republic of Ireland, 11 following clinical presentation and 10 following a high-risk screen. Nineteen have been managed with diet. Eight patients have died, of whom 7 were diagnosed clinically. Six had dystonic and one s...

journal_title：Journal of inherited metabolic disease

authors： Naughten ER,Mayne PD,Monavari AA,Goodman SI,Sulaiman G,Croke DT

更新日期：2004-01-01 00:00:00

abstract：:Mucolipidosis IV (ML IV) (McKusick 252650) is an autosomal recessive metabolic disorder that displays signs of both lipid and mucopolysaccharide (glycosaminoglycan) storage. It has been reported that fibroblasts from ML IV patients exhibit abnormally high synthesis of hyaluronic acid in culture. In our search for a bi...

journal_title：Journal of inherited metabolic disease

authors： Goldin E,Imai Y,Kaneski CR,Pentchev PG,Brady RO,Hascall VC

更新日期：1994-01-01 00:00:00

abstract：:Carnitine uptake has been studied in fibroblasts from a case of hereditary carnitine deficiency and in relatives. There was no evidence for carrier-dependent uptake in cells from the patient. The mother and probably the healthy sister had an impaired uptake. The results show that the defect in this form of carnitine d...

journal_title：Journal of inherited metabolic disease

authors： Eriksson BO,Gustafson B,Lindstedt S,Nordin I

更新日期：1989-01-01 00:00:00

abstract：:Glutaric aciduria type I is an inborn error of organic acid metabolism that demonstrates a particular temporal vulnerability (acute encephalopathic episodes in infancy) and a spatial vulnerability (acute striatal necrosis, focused on the putamen). Excitotoxic mechanisms involving 3-hydroxyglutaric acid as the major ne...

journal_title：Journal of inherited metabolic disease

authors： Varadkar S,Surtees R

更新日期：2004-01-01 00:00:00

abstract：:Investigations into the biochemical markers associated with executive function (EF) impairment in children with early and continuously treated phenylketonuria (ECT-PKU) remain largely phenylalanine-only focused, despite experimental data showing that a high phenylalanine:tyrosine (phe:tyr) ratio is more strongly assoc...

journal_title：Journal of inherited metabolic disease

authors： Sharman R,Sullivan KA,Young RM,McGill JJ

更新日期：2010-12-01 00:00:00

abstract：BACKGROUND:Variations in the gene ACADS, encoding the mitochondrial protein short-chain acyl CoA-dehydrogenase (SCAD), have been observed in individuals with clinical symptoms. The phenotype of SCAD deficiency (SCADD) is very heterogeneous, ranging from asymptomatic to severe, without a clear genotype-phenotype correla...

journal_title：Journal of inherited metabolic disease

authors： Schmidt SP,Corydon TJ,Pedersen CB,Vang S,Palmfeldt J,Stenbroen V,Wanders RJ,Ruiter JP,Gregersen N

更新日期：2011-04-01 00:00:00

abstract：:Results are presented of alpha-L-iduronidase assays in the leukocytes of normal individuals, patients with Hurler disease and heterozygous carriers. The assays were carried out using 4-methylumbelliferyl-alpha-L-iduronide and 4-trifluoromethylumbelliferyl-alpha-L-iduronide as substrates. It was shown that 4-trifluorom...

journal_title：Journal of inherited metabolic disease

authors： Tsvetkova IV,Karpova EA,Voznyi YV,Zolotukhina TV,Biryukov VV,Semyachkina AN

更新日期：1991-01-01 00:00:00

abstract：:We report a 31 year old woman who had prenatal carrier screening for Ashkenazi Jewish (AJ) genetic diseases and was found to have two acid ß-glucosidase (GBA) mutations, c.1226A>G(p.N370S) and c.1448T>C(p.L444P), consistent with the diagnosis of Type 1 Gaucher disease (GD1). This genotype typically manifests in late-a...

journal_title：Journal of inherited metabolic disease

authors： Balwani M,Grace ME,Desnick RJ

更新日期：2011-06-01 00:00:00

abstract：:Hexosaminidase A activities were determined in tears and peripheral leukocytes of carriers and noncarriers for Tay-Sachs Disease (TSD) as a percentage of total hexosaminidase activity. Correlation between enzyme activities in tears and leukocytes was highly significant (r = 0.75, p less than 0.01). Compared to leukocy...

journal_title：Journal of inherited metabolic disease

authors： Buchalter MS,Wannmacher CM,Wajner M

更新日期：1984-01-01 00:00:00

abstract：:A new French-Canadian family from the province of Quebec is reported, in which a male child was diagnosed as hyperargininaemic after showing positive tests for cystinuria on neonatal screening. The child has no residual activity of erythrocyte arginase, and a plasma arginine level of 633 mumol/l. Both parents have 32-...

journal_title：Journal of inherited metabolic disease

authors： Qureshi IA,Letarte J,Ouellet R,Larochelle J,Lemieux B

更新日期：1983-01-01 00:00:00

abstract：:Carnitine palmitoyltransferase type II (CPT II) deficiency has three basic phenotypes, late-onset muscular (mild), infantile/juvenile hepatic (intermediate) and severe neonatal. We have measured fatty acid oxidation and CPT II activity and performed mutation studies in 24 symptomatic patients representing the full cli...

journal_title：Journal of inherited metabolic disease

authors： Olpin SE,Afifi A,Clark S,Manning NJ,Bonham JR,Dalton A,Leonard JV,Land JM,Andresen BS,Morris AA,Muntoni F,Turnbull D,Pourfarzam M,Rahman S,Pollitt RJ

更新日期：2003-01-01 00:00:00

abstract：:Mucopolysaccharidoses are autosomal and recessive lysosomal storage disorders caused by the deficiency of a lysosomal enzyme involved in glycosaminoglycan catabolism. The Sanfilippo type A disease (MPS III A) results from sulfamidase deficiency, which leads to accumulation of heparan sulfate, whereas Sly disease (MPS ...

journal_title：Journal of inherited metabolic disease

authors： Arfi A,Richard M,Gandolphe C,Scherman D

更新日期：2010-02-01 00:00:00

abstract：:Untreated pregnancies and their outcomes were studied in 10 women with histidinaemia and their 26 pregnancies. The mean maternal assigned histidine level was 727+/-186 micromol/L (range 484-1,053). Six women had classic histidinaemia (assigned level >700 micromol/L) and the remaining four had mild (atypical) histidina...

journal_title：Journal of inherited metabolic disease

authors： Levy HL,Yu JJ,Waisbren SE

更新日期：2004-01-01 00:00:00

abstract：:Newborn screening (NBS) for cystic fibrosis (CF) offers the opportunity for early diagnosis and improved outcomes in patients with CF and has been universally available in the state of Massachusetts since 1999 using an immunoreactive trypsinogen (IRT)-DNA algorithm. Ideally, CF NBS is incorporated as part of an integr...

journal_title：Journal of inherited metabolic disease

authors： Hale JE,Parad RB,Dorkin HL,Gerstle R,Lapey A,O'Sullivan BP,Spencer T,Yee W,Comeau AM

更新日期：2010-10-01 00:00:00

abstract：:Brown-Vialetto-Van Laere syndrome (BVVLS [MIM 211530]) is a rare neurological disorder characterized by infancy onset sensorineural deafness and ponto-bulbar palsy. Mutations in SLC52A3 (formerly C20orf54), coding for riboflavin transporter 2 (hRFT2), have been identified as the molecular genetic correlate in several ...

journal_title：Journal of inherited metabolic disease

authors： Haack TB,Makowski C,Yao Y,Graf E,Hempel M,Wieland T,Tauer U,Ahting U,Mayr JA,Freisinger P,Yoshimatsu H,Inui K,Strom TM,Meitinger T,Yonezawa A,Prokisch H

更新日期：2012-11-01 00:00:00

abstract：:The neurons of the central nervous system (CNS) require precise control of their bathing microenvironment for optimal function, and an important element in this control is the blood-brain barrier (BBB). The BBB is formed by the endothelial cells lining the brain microvessels, under the inductive influence of neighbour...

journal_title：Journal of inherited metabolic disease

authors： Abbott NJ

更新日期：2013-05-01 00:00:00

abstract：:The mutation N370S accounts for 63% of the mutated glucocerebrosidase alleles of Portuguese type 1 Gaucher patients. It has been shown previously that this mutation is linked to the Pv1.1- form of the PvuII polymorphism and suggested that the N370S mutation in glucocerebrosidase alleles has an Ashkenazi Jewish origin....

journal_title：Journal of inherited metabolic disease

authors： Lacerda L,Amaral O,Pinto R,Aerts J,Sá Miranda MC

更新日期：1994-01-01 00:00:00

abstract：:5-Oxoprolinuria is primarily associated with inborn errors of the gamma-glutamyl cycle. In addition, transient 5-oxoprolinuria has been reported to occur in a variety of conditions, such as prematurity and malnutrition, and during medication. We report an unusual case of permanent 5-oxoprolinuria. The patient presente...

journal_title：Journal of inherited metabolic disease

authors： Ruijter GJ,Mourad-Baars PE,Ristoff E,Onkenhout W,Poorthuis BJ

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND:Farber disease (FD) is a rare, lysosomal storage disorder caused by deficient acid ceramidase activity. FD has long been considered a fatal disorder with death in the first three decades of life resulting either from respiratory insufficiency as a consequence of airway involvement or from progressive neurode...

journal_title：Journal of inherited metabolic disease

authors： Ehlert K,Levade T,Di Rocco M,Lanino E,Albert MH,Führer M,Jarisch A,Güngör T,Ayuk F,Vormoor J

更新日期：2019-03-01 00:00:00

abstract：:Fabry disease is an X-linked glycosphingolipid storage disorder caused by a deficiency of alpha-galactosidase A. Affected patients experience debilitating neuropathic pain and have premature mortality due to renal failure, cardiovascular disease or cerebrovascular complications. The disease may be X-linked dominant, s...

journal_title：Journal of inherited metabolic disease

authors： Baehner F,Kampmann C,Whybra C,Miebach E,Wiethoff CM,Beck M

更新日期：2003-01-01 00:00:00

abstract：:Niemann-Pick disease type C (NPC) is a neurovisceral storage disorder with an unknown primary deficiency. Somatic cell hybridization experiments using human cultured fibroblasts have shown that two complementation groups (NPC-alpha and NPC-beta) are associated with the biochemical and clinical phenotypes comprising NP...

journal_title：Journal of inherited metabolic disease

authors： Steinberg SJ,Mondal D,Fensom AH

更新日期：1996-01-01 00:00:00

abstract：OBJECTIVE:There is an urgent need for reliable and universally applicable outcome measures for children with mitochondrial diseases. In this study, we aimed to adapt the currently available Newcastle Paediatric Mitochondrial Disease Scale (NPMDS) to the International Paediatric Mitochondrial Disease Scale (IPMDS) durin...

journal_title：Journal of inherited metabolic disease

authors： Koene S,Hendriks JCM,Dirks I,de Boer L,de Vries MC,Janssen MCH,Smuts I,Fung CW,Wong VCN,de Coo IRFM,Vill K,Stendel C,Klopstock T,Falk MJ,McCormick EM,McFarland R,de Groot IJM,Smeitink JAM

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Hearing loss and tinnitus are common symptoms in Fabry disease and increase in prevalence with age. This study aimed to provide an epidemiological description of hearing impairment and tinnitus in children with Fabry disease in the Fabry Outcome Survey (FOS), an international database to assess the natural h...

journal_title：Journal of inherited metabolic disease

authors： Keilmann A,Hajioff D,Ramaswami U,FOS Investigators.

更新日期：2009-12-01 00:00:00

abstract：:We report a 5-year-old child carrying polymerase gamma (POLG1) mutations, but strikingly normal oxidative phosphorylation analysis in muscle, fibroblasts and liver. Mutations in POLG1 have so far been described in children with severe combined oxidative phosphorylation (OXPHOS) deficiencies and with the classical Alpe...

journal_title：Journal of inherited metabolic disease

authors： de Vries MC,Rodenburg RJ,Morava E,Lammens M,van den Heuvel LP,Korenke GC,Smeitink JA

更新日期：2008-12-01 00:00:00

abstract：:Interest in newborn screening (NBS) for lysosomal storage disorders (LSDs) has increased significantly due to newly developed enzyme replacement therapy (ERT), the need for early diagnosis, and advances in technical developments. Since the central nervous system cannot be treated by ERT, neuronopathic LSDs are general...

journal_title：Journal of inherited metabolic disease

authors： Hwu WL,Chien YH,Lee NC

更新日期：2010-08-01 00:00:00

abstract：:The different long-chain fatty acid oxidation defects present with similar heterogeneous clinical phenotypes of different severity. Organs mainly affected comprise the heart, liver, and skeletal muscles. All symptoms are reversible with sufficient energy supply. In some long-chain fatty acid oxidation defects, disease...

journal_title：Journal of inherited metabolic disease

authors： Spiekerkoetter U

更新日期：2010-10-01 00:00:00

abstract：:Unlike normal human cells, cultured fibroblasts from patients with argininosuccinic aciduria cannot synthesize arginine from citrulline because they have a deficiency of argininosuccinic acid lyase (ASL). We have found that V79, a Chinese hamster cell line, cannot grow on citrulline. Although these cells show a normal...

journal_title：Journal of inherited metabolic disease

authors： González-Noriega A,Verduzco J,Prieto E,Velázquez A

更新日期：1980-01-01 00:00:00

abstract：:The glycine uptake in cultured fibroblasts was studied in three children with non-ketotic hyperglycinaemia, one child with D-glyceric acidaemia and hyperglycinaemia and in six normal children, using an improved assay system giving individual protein correction. It was shown that all hyperglycinaemic children had norma...

journal_title：Journal of inherited metabolic disease

authors： Kølvraa S,Rosleff F,Brandt NJ

更新日期：1983-01-01 00:00:00

abstract：:Methylmalonate (MMA) accumulates in the tissues of patients with methylmalonic acidaemia, who present severe neurological signs soon after birth and later mental retardation. Attempting to understand the pathophysiology of the disorder, we investigated the effects of MMA on brain glucose uptake, lactate release and CO...

journal_title：Journal of inherited metabolic disease

authors： Wajner M,Dutra JC,Cardoso SE,Wannmacher CM,Motta ER

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:Recent decades have unravelled the molecular background of a number of inborn errors of metabolism (IEM) causing vitamin B6-dependent epilepsy. As these defects interfere with vitamin B6 metabolism by different mechanisms, the plasma vitamin B6 profile can give important clues for further molecular work-up. ...

journal_title：Journal of inherited metabolic disease

authors： Mathis D,Abela L,Albersen M,Bürer C,Crowther L,Beese K,Hartmann H,Bok LA,Struys E,Papuc SM,Rauch A,Hersberger M,Verhoeven-Duif NM,Plecko B

更新日期：2016-09-01 00:00:00