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  • 1
    ISSN: 1432-0533
    Keywords: Anderson-Fabry's disease ; Neuropathology ; Neurochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A clinical, neuropathological and neurochemical study of a case of Anderson-Fabry's disease is described. The clinical course mainly consisted of repeated icuts with major involvement of the CNS. The neuropathological examination is dominated by severe alterations in the cerebral vessels due to glycolipid deposits on the walls, with reduction or occlusion of the lumen. This is correlated with secondary ischaemic foci scattered throughout the cortex as well as through the white matter. In addition, the cells of the cerebral cortex, thalamus, basal ganglia, amygdala, cerebellar and olivary nuclei show a marked accumulation of lipofuscin. Biochemical examination reveals a threefold increase in galactolipids due to the specific α-galactosidase deficiency. Cholesterol is reduced secondarily to ischaemic myelin damage. Glycosaminoglycans uronic acid is increased in cytosol and membrane-bound fractions which could be related to reactive gliosis. Glycoprotein sugars show a decrease in N-acetyl-neuraminic acid and fucose as well as an increase in hexosamines and hexoses in membrane-bound fraction, while in cytosol fraction all sugars are increased. This suggests that the α-galactosidase deficiency can alter not only the glycolipid but also the glycoprotein metabolism, resulting in a higher presence of hexosamines and hexoses-rich glycoproteins.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1590-3478
    Keywords: SCA1 ; CAG expansion ; Beta-thalassemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Riportiamo it caso di una famiglia affetta da atassia autosomica dominante, in cui numerosi membri presentavano anche microcitemia. L'analisi genetica dimostrava una espansione CA G net locus SCA1 in cinque membri, mentre tutti i soggetti con microcitemia erano portatori di una sostituzione C-T al codone 39 del gene delta beta-globina. La malattia neurologica era caratterizzata nelle prime fasi da una sindrome cerebellare pura con prevalente atassia delta marcia. Il quadro completo della malatia includeva anche disartria, disfagia e segni di danno assonale ai nervi periferici. Non veniva mai osservata oftalmoplegia. La coesistenza di degenerazione spinocerebellare ereditaria ed eritropatie o emoglobinopatie è già stata descritta precedentemente. Discutiamo i possibili legami tra queste due patologie.
    Notes: Abstract We report a family affected by autosomal dominant ataxia, in which numerous members also showed microcytosis. Genetic analysis demonstrated a CAG expansion in the SCA1 locus in five members, while all subjects with microcytosis revealed a C-T substitution at codon 39 of the beta-globin gene. A pure cerebellar syndrome with prominent gait ataxia characterized the first stages of the neurological disease. The fully developed disease included additional clinical findings such as dysarthria and dysphagia, and instrumental signs of axonal involvement of the peripheral nerves. Ophthalmoplegia was not observed. The coexistence of hereditary spinocerebellar degeneration and erythropathies or hemoglobinopathies has been previously described. We discuss the possible linkages between these two pathologies.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1590-3478
    Keywords: Creutzfeldt-Jakob disease ; status spongiosus ; transmissible subacute encephalopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario 10 su 11 pazienti di malattia di Creutzfeldt-Jakob sono stati visti dal febbraio 1975 al novembre 1979. Mentre i reperti clinici ed elettroencefalografici sono stati omogenei, i dati neuropatologici sono stati diversi da caso a caso: l'astrogliosi è sempre stata fenomeno diffuso ed ubiquitario mentre le altre classiche lesioni (perdita neuronale e spongiosi) sono state notevolmente variabili sia per gravità che per caratteri e localizzazione.
    Notes: Abstract 10 of the 11 Creutzfeldt-Jakob disease patients were seen between February 1975 and November 1979. Whilst the clinical and EEG findings were uniform, the neuropathological changes were not: astrogliosis was always diffuse and widespread but the other typical changes (neuronal loss and spongiosis) varied greatly both in degree and location.
    Type of Medium: Electronic Resource
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