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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 249 (1964), S. 425-431 
    ISSN: 1432-1912
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Prednison- and Prednisolonbisguanylhydrazon inhibit like k-Strophanthin the Na+ + K+-stimulated ATPase from guinea-pig hearts. 50% inhibition was stated with concentrations of 3,8 μM Prednisonbisguanylhydrazon, 0,28 μM Prednisolonbisguanylhydrazon or 1,3 μM k-Strophanthin. This difference in effectiveness of the compounds corresponds to the inhibition of the active ion-transport in erythrocytes of guinea-pigs and to the positive inotropic effect in isolated perfused guinea-pig hearts.
    Notes: Zusammenfassung Prednison- und Prednisolonbisguanylhydrazon hemmen ebenso wie k-Strophanthin eine aus Meerschweinchenherzen gewonnene durch Na+ + K+ stimulierte Membran-ATPase. Eine 50%ige Hemmung erfolgt bei Konzentrationen von 3,8 μM Prednisonbisguanylhydrazon, 0,28 μM Prednisolonbisguanylhydrazon bzw. 1,3 μM k-Strophanthin. Dieses Wirksamkeitsverhältnis der drei Verbindungen entspricht etwa der Hemmung des aktiven Ionentransportes an Meerschweinchenerythrocyten und dem positiv inotropen Effekt am isoliert durchströmten Meerschweinchenherzen.
    Type of Medium: Electronic Resource
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