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  • 1
    Electronic Resource
    Electronic Resource
    Glyceroluria in healthy adults, mentally ill adults and children selected for metabolic screening
    Amsterdam : Elsevier
    Clinica Chimica Acta 198 (1991), S. 203-207 
    Details
    ISSN: 0009-8981
    Keywords: Glycerol ; Glycerol kinase deficiency ; Inborn errors of metabolism ; Urinary metabolic screening
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0009-8981(91)90354-F
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  • 2
    Electronic Resource
    Electronic Resource
    A familial progressive neurodegenerative disease with 2-oxoglutaric aciduria (1982)
    Springer
    European journal of pediatrics 138 (1982), S. 32-37 
    Details
    ISSN: 1432-1076
    Keywords: Neurometabolic disease ; Organic aciduria ; 2-oxoglutarate dehydrogenase deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A boy and a girl born to a consanguineous Tunisian couple are suffering from a slowly progressive nervous disorder. Initially they both had normal psychomotor development with acquisition of gait and speech. First symptoms in the boy were athetoid movements during the second year of life. He later lost all motor and language skills and developed muscular rigidity and intention tremor. At the age of five years, he was completely bedridden while he appeared mentally much less affected. His younger sister followed a similar course. The major specific abnormality detected was a strikingly elevated excretion of 2-oxoglutaric acid, which was identified by gas liquid chromatography, mass spectrometry, and enzymatic analysis. 2-oxoglutarate dehydrogenase activity in homogenates of cultured skin fibroblasts was reduced to about 25% of control values in both children. Although the pathogenetic mechanisms leading to brain damage remain obscure, the finding strongly suggest an autosomal recessive neurometabolic disease with predominant involvement of the extrapyramidal system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442325
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  • 3
    Electronic Resource
    Electronic Resource
    Multiple acyl-CoA dehydrogenation deficiency (glutaric aciduria type II), congenital polycystic kidneys, and symmetric warty dysplasia of the cerebral cortex in two brothers (1982)
    Springer
    European journal of pediatrics 139 (1982), S. 56-59 
    Details
    ISSN: 1432-1076
    Keywords: Glutaric aciduria type II ; Multiple acyl-CoA dehydrogenase deficiency ; Organic aciduria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two male siblings suffering from a severe form of glutaric aciduria type II were studied. One patient died within one hour after birth, the other at the age of five days. Both patients presented with respiratory distress soon after birth. They had a variety of congenital morphologic abnormalities. One patient's outstanding “sweaty-feet” odour on the second day of life led to organic acid analysis of urine revealing massive lactic, glutaric, and ethylmalonic aciduria along with a high excretion of various other carboxylic acids and glycine conjugates of the branched chain carboxylic acids. The pattern of metabolites in serum and urine as well as results of degradation studies with various substrates in cultured fibroblasts were consistent with a defect in multiple acyl-CoA dehydrogenation. The morphological abnormalities are presented in a subsequent paper.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442081
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  • 4
    Electronic Resource
    Electronic Resource
    Seven years of experience with selective screening for organic acidurias (1984)
    Springer
    European journal of pediatrics 142 (1984), S. 208-210 
    Details
    ISSN: 1432-1076
    Keywords: Screening ; Inborn errors of metabolism ; Organic acidurias ; Propionic acidemia ; Incidence of organic acidurias
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Between 1975 and 1981 nearly 9000 patients with suspected inherited metabolic diseases were investigated by a selective screening procedure including, apart from simple tests for ketone bodies, sugars and SH-containing compounds, high voltage electrophoresis of amino acids as well as gas liquid chromatography and gas liquid chromatography-mass spectrometry of the organic acids. Fifty-two cases with 18 different inborn errors of metabolism were detected. The effectivity index was calculated to be 0.6% or 1 case in about 170 requests. From the presented and from already existing data in the literature the overall incidences for all organic acidurias together and for propionic acidemia separately were appraized to be 1:10000 and 1:50000, respectively. About half of the patients diagnosed by this screening may benefit from the diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442451
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  • 5
    Electronic Resource
    Electronic Resource
    Isolated biotin-resistant 3-methylcrotonyl-CoA carboxylase deficiency: Long-term outcome in a case with neonatal onset (1996)
    Springer
    European journal of pediatrics 155 (1996), S. 568-572 
    Details
    ISSN: 1432-1076
    Keywords: Isolated 3-methylcrotonyl-CoA carboxylase deficiency ; Inborn errors of metabolism ; Biotin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A patient with early-onset 3-methylcrotonyl coenzyme A carboxylase (MCC) deficiency showing a severe clinical course is described. Abnormal eye and head movements suggestive of seizures were noticed soon after birth. Tonic convulsions at the age of 10 weeks led to admission. Urinary organic acid analysis using gas chromatography-mass spectrometry at 3 months of age revealed elevated concentrations of 3-hydroxyisovaleric acid (3HIVA) and 3-methylcrotonylglycine but normal levels of lactate, 3-hydroxypropionate and methylcitrate suggesting isolated MCC deficiency. This was confirmed by enzyme assays in lymphocytes and cultured skin fibroblasts: MCC activity was virtually undetectable whereas activities of propionyl-CoA and pyruvate carboxylases were within the normal range. A low protein (0.8–1.5 g/kg/day) diet supplemented with a leucine-free amino acid mixture resulted in a marked decrease of 3HIVA excretion.l-Carnitine and biotin administration had no effect on the clinical condition or metabolite exretion. Supplementation with glycine resulted in only a temporary fall of 3HIVA excretion and was therefore discontinued.l-Carnitine therapy was reintroduced later because of secondary carnitine deficiency. Compliance with treatment was poor until the age of 27 months resulting in a severe episode with seizures and coma. The general clinical condition of the patient was always good but his psychomotor development was delayed and seizures were not continuously under good control due to poor therapy compliance. The boy is now 10.5 years old and attending a school for children with learning handicaps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957906
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  • 6
    Electronic Resource
    Electronic Resource
    3-Methylglutaconic and 3-methylglutaric aciduria in a patient with suspected 3-methylglutaconyl-CoA hydratase deficiency (1985)
    Springer
    European journal of pediatrics 143 (1985), S. 301-303 
    Details
    ISSN: 1432-1076
    Keywords: 3-methylglutaconyl-CoA hydratase deficiency ; Organic aciduria ; 3-methylglutaconic acid ; 3-methylglutaric acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A girl suffering from marked muscular hypotonia, severe statomotor and mental retardation, bilateral optic atrophy with chorioretinal degeneration, convulsions and a moderate compensated metabolic acidosis is described. Screening for metabolic disorders revealed massive 3-methylglutaconic with 3-methylglutaric aciduria leading to the tentative diagnosis of 3-methylglutaconyl-CoA hydratase deficiency. Metabolite excretion was correlated with variation of leucine intake. 3-methyl-3-hydroxyglutaryl-CoA lyase activity in cultured fibroblasts was normal. The suspected metabolic defect was not demonstrable in cultured skin fibroblasts, however.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00442306
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  • 7
    Electronic Resource
    Electronic Resource
    Propionic acidaemia: clinical, biochemical and therapeutic aspects (1994)
    Springer
    European journal of pediatrics 153 (1994), S. S68 
    Details
    ISSN: 1432-1076
    Keywords: Propionic acidaemia ; Propionyl-CoA carboxylase deficiency ; Skin lesions ; Inborn errors of metabolism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Comprehensive data on 30 patients with propionic acidaemia, diagnosed by selective screening for inborn errors of metabolism, are presented. The most valuable diagnostic metabolites found were methylcitric-, 3-hydroxypropionic-, and 2-methyl-3-oxovaleric acids. Hyperlysinaemia and hyperlysinuria are also characteristic findings in this disease. The metabolic pattern found in propionic acidaemia is discussed extensively as are enzymatic findings. Residual activity of propionyl-CoA carboxylase is neither a predictive marker for severity nor for outcome of the disease. Propionate fixation assay were less reliable for confirmation of propionic acidaemia and of no prognostic value. Clinical presentation of the disease is discussed in detail. Besides the well-known unspecific findings (poor appetite, feeding difficulties, vomiting, dehydration, weight loss, muscular hypotonia, dyspnoea, somnolence, apathy, convulsion, coma, severe metabolic acidosis, hyperammonaemia) various skin abnormalities have been detected in about 50% of all patients. In 27% “dermatitis acidemica” was found.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02138781
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