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  • Title: Involvement of Ca2+ uptake by a reticulum-like store in the control of transmitter release.
    Author: Fossier P, Baux G, Trudeau LE, Tauc L.
    Journal: Neuroscience; 1992 Sep; 50(2):427-34. PubMed ID: 1331863.
    Abstract:
    At an identified neuro-neuronal synapse of Aplysia, 2,5-diterbutyl 1,4-benzohydroquinone, a selective blocker of the reticulum Ca2+ pump, was found to potentiate evoked quantal release of acetylcholine through an increased accumulation of Ca2+ in the presynaptic neuron during depolarization without any accompanying changes in the presynaptic Ca2+ current. We conclude that a rapid Ca2+ buffering system, similar to that associated with the endoplasmic reticulum, must be present in the nerve terminal and play a role in the control of Ca2+ which reaches the release system.
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