Ca(2+)-dependent neurotransmitter release was originally thought to occur only following activation of presynaptic voltage-gated calcium channels after a presynaptic action potential. Recent evidence suggests that not only opening of voltage-gated but also ligand-gated ion channels, such as neurotransmitter receptors, can trigger exocytosis, as well as Ca(2+) release from intracellular Ca(2+) stores. It was shown that activation of N-methyl-d-aspartate (NMDA) receptors on presynaptic interneu...Expand abstract
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Calcium influx through N-methyl-D-aspartate receptors triggers GABA release at interneuron-Purkinje cell synapse in rat cerebellum.
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