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  • Title: Uptake and calcium-dependent release of ethylenediamine (1,2-diaminoethane) by rat brain slices.
    Author: Lloyd HG, Perkins MN, Gaitonde MK, Stone TW.
    Journal: J Neurochem; 1982 Apr; 38(4):1118-22. PubMed ID: 7062034.
    Abstract:
    The uptake of [14C]ethylenediamine into slices of rat brain and its subsequent evoked release have been studied. An active uptake process was demonstrated by comparing uptake at 37 and 4 degrees C. This uptake showed a Km of 1.36 mM, was partly sodium-dependent and was reduced by nipecotic acid. Release could be readily evoked by 30 mM potassium, and by electrical stimulation, the release in both cases being calcium-dependent. In view of these findings and the reported interactions of ethylenediamine with gamma-aminobutyric acid-related mechanisms, it might be of interest to determine whether this simple diamine occurs endogenously in the mammalian brain.
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