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Verfasst von:Hund, Ernst [VerfasserIn]   i
 Grau, Armin J. [VerfasserIn]   i
 Fogel, Wolfgang [VerfasserIn]   i
 Forsting, Michael [VerfasserIn]   i
 Cantz, Michael [VerfasserIn]   i
 Kustermann-Kuhn, B. [VerfasserIn]   i
 Harzer, K. [VerfasserIn]   i
 Navon, R. [VerfasserIn]   i
 Goebel, H. H. [VerfasserIn]   i
 Meinck, Hans-Michael [VerfasserIn]   i
Titel:Progressive cerebellar ataxia, proximal neurogenic weakness and ocular motor disturbances
Titelzusatz:hexosaminidase A deficiency with late clinical onset in four siblings
Verf.angabe:E. Hund, A. Grau, W. Fogel, M. Forsting, M. Cantz, B. Kustermann-Kuhn, K. Harzer, R. Navon, H.H. Goebel, H.-M. Meinck
E-Jahr:1997
Jahr:7 November 1997
Umfang:7 S.
Fussnoten:Gesehen am 11.07.2024
Titel Quelle:Enthalten in: Journal of the neurological sciences
Ort Quelle:Amsterdam [u.a.] : Elsevier Science, 1964
Jahr Quelle:1997
Band/Heft Quelle:145(1997), 1, Seite 25-31
ISSN Quelle:1878-5883
Abstract:Tay-Sachs disease is a genetically determined neurodegenerative disorder, resulting from mutations of the hexosaminidase (Hex) A gene coding for the α-subunit of β-d-N-acetyl-hexosaminidase. Clinically, there is severe encephalomyelopathy leading to death within the first few years of life. Hex A activity is usually absent in tissue and body fluids of these patients. Juvenile and adult Hex A deficiencies are less severe but rare variants with some residual Hex A activity. All these variants are most prevalent among Ashkenazi Jews. We describe a non-Jewish family in which four adult brothers and sisters had markedly reduced Hex A activities and onset of symptoms in the second decade of life. The phenotypical expression was remarkably homogeneous, consisting in a combination of slowly progressive motor neuron disease, ataxia and ocular motor disturbances. None of the patients were demented at this stage of their illness. Magnetic resonance studies showed severe cerebellar atrophy, but were otherwise normal. Hex A deficiency was established by biochemical measurements in the serum and skin fibroblasts using the fluorogenic substrates 4-MUG and 4-MUGS as well as by gel electrophoresis. Molecular genetic studies revealed that the patients are compound heterozygotes for the ‘adult’ mutation Gly269 → Ser and the ‘infantile’ 4-base insertion in exon 11 of the Hex A gene. © 1997 Elsevier Science B.V.
DOI:doi:10.1016/S0022-510X(96)00233-X
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1016/S0022-510X(96)00233-X
 Volltext: https://www.sciencedirect.com/science/article/pii/S0022510X9600233X
 DOI: https://doi.org/10.1016/S0022-510X(96)00233-X
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:Ataxia
 G gangliosidosis
 Hexosaminidase
 Motor neuron disease
 Spinal muscular atrophy
 Tay-Sachs disease
 Weakness
K10plus-PPN:1895119952
Verknüpfungen:→ Zeitschrift

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