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  • Title: [Age-related characteristics of the Na+,K+-ATPase activity of synaptic membranes from the rat brain].
    Author: Potapenko RI.
    Journal: Ukr Biokhim Zh (1978); 1988; 60(1):61-4. PubMed ID: 2834847.
    Abstract:
    The study of albino rats aged 6-7 months and 25-27 months revealed the age-related increase of maximal activity (V) of Na+, K+-ATPase of synaptosomal plasma membranes, separated from the cerebral cortex, while the level of Km remained stable. It is shown that in old rats as compared to the adult ones the affinity of Na+, K+-ATPase to sodium ions increases and the character of the ATP hydrolysis schedule changes in the presence of different ration of ions-activators. There are no significant changes in the inhibiting effect of strophantidin K on Na+, K+-ATPase activity of synaptosomal plasma membranes.
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