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  • 1995-1999  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neural transmission 105 (1998), S. 627-633 
    ISSN: 1435-1463
    Keywords: Keywords: Nitric oxide ; nitrite ; nitrate ; human CSF ; HPLC analysis.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary. In order to evaluate the involvement of nitric oxide in neurologic disorders it is important to generate controlled values of its metabolites nitrite and nitrate in human cerebrospinal fluid (CSF). Samples of CSF obtained from 14 patients without neurologic diseases were analysed for nitrite and nitrate concentration by reverse phase chromatography with ultraviolet (UV) detection. For comparison, the levels of nitrite in the same samples were also measured by reverse phase chromatography coupled with electrochemical detection and those of nitrate by ion chromatography coupled with UV detection. A good correlation was found for the concentration values of both ions obtained with the two procedures. Then, 10.41 ± 0.47 ng/ml of nitrite and 2.92 ± 0.37 ng/ml of nitrate could be regarded as reliable values in control subjects. No correlation between age and levels of nitrite and nitrate was observed.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Neurological sciences 16 (1995), S. 69-72 
    ISSN: 1590-3478
    Keywords: animal models ; generalized epilepsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario I modelli animali di crisi epilettiche generalizzate sono attualmente soddisfacenti seppur migliorabili per quanto concernono le crisi generalizzate primarie a tipo piccolo male. Vi sono altresì modelli di crisi secondariamente generalizzate che permettono lo studio di alcuni dei meccanismi di base del processo epilettogenico e/o che possono servire per vagliare l'efficacia di potenziali nuovi farmaci. Per altre forme di crisi quali, ad esempio, gli attacchi amiotonici, non esistono modelli. In genere, i modelli di epilessia sono meno siddisfacenti dei modelli delle crisi epilettiche, soprattutto perché i primi non riproducono la cronicità della condizione umana. Le epilessie spontanee osservate nei gatti domestici meritano uno studio più attento in quanto riproducono una grande varietà delle epilessie tipiche dell'uomo. Tutto sommato la modellistica sia di crisi che di sindromi epilettiche è ad uno stato più avanzato di quella della più parte delle patologie neuropsichiatriche eccezion fatta per il morbo di Parkinson.
    Notes: Abstract The state of the art for models of generalized seizures in animals is satisfactory, but improvable for what concerns primary generalized seizures of Petit-Mal type. Other models of secondary generalized seizures are available allowing acceptable ways of studying some mechanisms of epileptogenesis, and/or screening potentials new AEDs. For other forms of seizures such as amyotonic fits, there are no models. By and large, models of epilepsy are lagging behind models of seizures as most of the former when reproduced in the laboratory are short lived. Spontaneously occurring epilepsies in cats should be studied more widely as they may provide a wide variety of epileptic conditions not dissimilar from the ones seen in humans. Overall, models of seizures and epilepsies are more advanced than the models of most neuropsychiatric conditions.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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