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  • 1
    ISSN: 1432-1076
    Keywords: 3-Methylglutaconic aciduria ; 3-Methylglutaric aciduria ; 3-Methylglutaconyl-coenzyme A hydratase ; Phenotype ; Psychomotor retardation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract 3-Methylglutaconic aciduria has been found in two distinct syndromes. In one there is deficient activity of 3-methylglutaconyl coenzyme A hydratase, and the only clinical manifestation observed has been retardation of speech development. In the other, which includes a majority of the patients studied, we document that the activity of this enzyme in fibroblast extracts is normal. The phenotype of this disorder is one of profound neurological impairment with retarded psychomotor development, hypotonicity and/or spasticity, convulsions or EEG abnormalities, and sensorineural changes in the eye and ear.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 128 (1978), S. 197-205 
    ISSN: 1432-1076
    Keywords: Propionic acidemia ; Organic acidemias ; Organic acidurias ; Inherited disorders of the metabolism of organic acids ; 2-Methyl-3-oxovaleric acid ; Liver histology in propionic acidemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Nach einer kurzen Erläuterung der biochemischen Grund-lagen wird am Beispiel eines eigenen Falles von Propionacidämie auf die Frühsymptomatik (vermehrte Schläfrigkeit, Muskelhypotonie, Trinkschwäche, Hypothermie, metabolische Acidose, Ketonurie, Erbrechen), die durchgeführten Therapieversuche, die Obduktionsbefunde und auf Urinuntersuchungen mit Hilfe der Gaschromatographie und der Gaschromatographie-Massenspektrometrie eingegangen. Diese Untersuchungen ergaben, daß neben den bei Propionacidämie bekanntermaßen im Urin ausgeschiedenen Metaboliten, wie Propion-, 3-Hydroxypropion- und Methylcitronensäure, auch 2-Methyl-3-oxovaleriansäure, das Kondensationsprodukt zweier Moleküle Propionyl-CoA, in nennenswertem Umfang synthetisiert und im Harn nachgewiesen werden kann.
    Notes: Abstract A new case of propionic acidemia is presented, paying special attention to the early symptoms of this disease, such as increased drowsiness, muscular hypotonia, poor feeding, hypothermia, metabolic acidosis, ketonuria and vomiting. Investigation by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) revealed the excretion of fairly high amounts of 2-methyl-3-oxovaleric acid, a condensation product of two molecules of propionyl-CoA, as well as the known pathological metabolites such as propionic, 3-hydroxypropionic and methylcitric acids. Among the post mortem findings the histological studies of the liver were the most remarkable.
    Type of Medium: Electronic Resource
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