Journal
NATURE NEUROSCIENCE
Volume 11, Issue 8, Pages 868-870Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nn.2150
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Corticosterone facilitates hippocampal glutamate transmission, but the cellular pathways by which AMPA receptor (AMPAR) signaling is adjusted remain elusive. Single quantum-dot imaging in live rat hippocampal neurons revealed that corticosterone triggers, via distinct corticosteroid receptors, time-dependent increases in GluR2-AMPAR surface mobility and synaptic surface GluR2 content. Furthermore, corticosterone potentiates the increase of synaptic surface GluR2 contents by a chemical long-term potentiation stimulus, revealing the influence that corticosterone has on AMPAR trafficking.
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