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PubMed1984

[Generalized GM1 gangliosidosis. Report of a case and review of the literature].

Authors present the case of a child, daughter of non related parents with neurologic progressive affectation, retina and visceral implication with certain pseudogargolic clinical aspect without near familiar antecedents suggestive of this disease. Biochemistry and histologic studies revealed a B-galactosidase enzyme deficiency and lipidic intracellular increase in different viscera. Biochemistry, hystological and clinical aspects exposed are fundamentally differential of another causes of pseudo-Hurler syndrome.

Female↗
PubMed1980

Enzymological diagnosis of a group of lysosomal storage diseases. Review of 5-year experience of 1600 patient-sample referrals.

Lysosomal acid hydrolase activities have been measured in extracts of peripheral blood leucocytes of approximately 1600 patients referred from throughout Australia, each of whom was suspected of having a neurolipidosis. Assays for 12 different lysosomal enzymes were performed on each patient as a routine; ten assay systems were based on commercially available substrates, and four used radiolabelled glycosphingolipids prepared in our own laboratory. Of the 85 patients with positive results, 81 were diagnosed as being homozygous-deficient for a particular lysosomal enzyme. These patients comprised nine with GM1-gangliosidosis, 12 with GM2-gangliosidosis (11 of Tay-Sachs' disease and one of Sandhoff's disease), 18 with trihexosylceramide lipidosis (Fabry's disease), eight with beta-galactosylceramide lipidosis (Krabbe's disease), 14 with beta-glucosylceramide lipidosis (Gaucher's disease), two with sphingomyelin lipidosis (Niemann-Pick disease), 13 with metachromatic leucodystrophy and five with alpha-mannosidosis. In addition, four patients were diagnosed as being affected with mucolipidosis Type II (I-cell disease), based on elevated plasma lysosomal enzyme activities, making a total of 85 homozygous-affected patients. Clinically the patients showed wide phenotypic variability within each of the enzyme-deficient states, which did not appear to correlate with the level of "residual" enzyme activity in their leucocyte extracts.

Clinical Enzyme Tests↗
PubMed1981

Brain failure.

Explore the source record for details and available documents.

Basal Ganglia Diseases↗
PubMed1981

[Current aspects of the problem of thesaurismoses].

The main changes occuring in the theory of thesaurismoses are presented briefly. Main groups of thesaurismoses characterized by disorders of one or another kind of metabolism are dealt with. Most frequently occuring forms of thesaurismoses are described and by their examples it is shown how new nosological entities are distinguished by the nature of metabolic disorders, by the defect of the enzyme, and by the degree of severity of the enzymatic block. The main criteria for morphological diagnosis of thesaurismoses are presented including the presence of accumulation cell, their localization in different organs, histochemical analysis of accumulation products and electron microscopic findings. Biochemical examinations are considered to be essential for diagnosis.

Cerebrosides↗