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  • Blood-brain barrier  (1)
  • CSF immunoglobulins  (1)
  • Electron microscopy  (1)
  • Epidemiology  (1)
  • 1
    ISSN: 1432-0533
    Keywords: Alzheimer's disease ; Dementia ; Aging ; Cortical capillaries ; Basement membrane ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Data concerning width and surface of the basement membrane of cortical capillaries in three patients with Alzheimer's disease five age-matched controls, have been submitted to statistical analysis to ascertain the role of the aging process upon thickening of the basement membrane itself. The analysis showed that there was a significant difference between patients with Alzheimer's disease and controls (P〈0.01) as to both width and surface of the basement membrane, so suggesting that in these patients aging was not the only factor which thickening of the basement membrane of cortical capillaries was related to.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 231 (1984), S. 75-78 
    ISSN: 1432-1459
    Keywords: Amyotrophic lateral sclerosis ; Cerebrospinal fluid ; Blood-brain barrier ; Isoelectric focusing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In 90 Fällen von amyotrophischer Lateralsklerose und bei 50 auch im Alter entsprechenden Kontrollen wurde der Liquor untersucht. Der Eiweißgehalt war bei den Patienten mit ALS signifikant höher als bei den Kontrollen. Die Albuminfraktion und das IgG, die mit Immunodiffusionsmethoden quantitativ bestimmt wurden, waren bei der ALS im Liquor signifikant erhöht, während sie sich im Serum gleich wie bei den Kontrollfällen verhielten. Bei der isoelektrischen Fokusierung ließ sich ein eindeutiges „Finger-print-pattern“ in elf von zwölf Fällen beobachten. Diese Befunde sprechen dafür, daß bei der ALS eine Störung der Blut-Hirnschranke vorliegt. Es wird kurz auf die Beobachtung einer vermehrten Zahl mononukleärer Zellen bei jungen Patienten mit ALS eingegangen und im besonderen die Frage diskutiert, in wieweit ein exogenes Agents in der Pathogenese eine Rolle spielen könnte. Mindestens eines der obern erwähnten Parameter war bei 45% aller ALS Fälle im Liquor verändert.
    Notes: Summary The cerebrospinal fluid (CSF) was examined in 90 amyotrophic lateral sclerosis (ALS) patients and in 50 age-matched normal controls. Total protein concentration was significantly higher in ALS patients than in normal controls. CSF IgG and albumin, quantitatively determined by single radial immunodiffusion, were significantly increased in ALS. No difference in serum concentrations was observed between ALS patients and normal controls. On isoelectric focusing a clear-cut “fingerprint” pattern was observed in 11 of 12 cases. These findings support the hypothesis that blood-brain barrier damage occurs in ALS. The finding of a higher mononuclear cell count in young ALS patients is briefly discussed in the light of the hypothesis that an exogenous agent might be of some relevance in pathogenesis. An alteration of at least one of the CSF parameters considered was found in 45.5% of ALS cases.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Neurological sciences 11 (1990), S. 57-59 
    ISSN: 1590-3478
    Keywords: Globoid cell leukodystrophy ; Krabbe disease ; CSF immunoglobulins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Gli autori riportano lo studio clinico e biochimico di un caso di malattia di Krabbe tardiva. L'esordio acuto dei sintomi neurologici, dopo una affezione febbrile respiratoria, il profilo immunochimico del liquor con produzione locale di IgG e la risposta iniziale al trattamento con ACTH hanno fatto supporre una genesi infiammatoria. È stata tuttavia diagnosticata in seguito una malattia di Krabbe. Gli Autori discutono brevemente il significato di una possibile produzione di IgG nel Sistema Nervoso Centrale in questo caso.
    Notes: Abstract During a febrile upper respiratory tract illness this 4 year old boy developed left hemiparesis, which progressed to loss of walking and even of sitting finally to tetraplegia. The cerebrospinal fluid protein pattern showed blood-brain barrier damage with additional intrathecal IgG synthesis. The symptoms responded to steroid therapy but resumed and worsened on withdrawal. Only late, when visual evoked potentials and nerve conduction velocity proved to be impaired, was Krabbe disease diagnosed on the assay of cultured fibroblasts for galactocerebroside-beta-galactosidase. We discuss the significance of possible endogenous production of IgG in the CNS.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1590-3478
    Keywords: Creutzfeldt-Jakob Disease ; Epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario La mortalità annuale da malattia di Creutzfeldt-Jakob nella città e nella provincia di Genova, è stata dal 1974 al 1979 di 0.93 per milione di abitanti.
    Notes: Abstract The estimated annual mortality rate of Creutzfeldt-Jakob disease in the Genoa area during the six year period 1974 through 1979 was 0.93 per million inhabitants.
    Type of Medium: Electronic Resource
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