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  • Title: Amine transport in isolated rat mast cells treated with betaadrenoceptor blocking drugs.
    Author: Nosál R, Pecivová J, Drábiková K.
    Journal: Agents Actions; 1986 Apr; 18(1-2):74-6. PubMed ID: 2873725.
    Abstract:
    Histamine and serotonin uptake in isolated rat mast cells is decreased in the presence of betaadrenoceptor blocking (BAB) drugs. Such inhibition is dose-dependent and is evidently higher for the inhibition of serotonin uptake. The most potent drugs were the highly lipophilic compounds Kö 1124 and propranolol. No difference was found among the various BAB drugs in their ability to decrease histamine uptake. It is evident from the ratio between histamine and serotonin liberation on one side, to the uptake of both amines in mast cells on the other side, that with the exception of Kö 1124, all investigated BAB drugs possesses higher inhibition of extracellular amine uptake in comparison with histamine and serotonin liberation. Such an effect might be a result of a primary interaction of BAB drugs with mast cells at the plasma membrane.
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