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Title

Driving AMPA Receptors into Synapses by LTP and CaMKII: Requirement for GluR1 and PDZ Domain Interaction

AuthorsHayashi, Yasunori; Shi, Song-Hai; Esteban, José A. ; Piccini, Antonella; Poncer, Jean-Christophe; Malinow, Roberto
KeywordsLong-term potentiation
CaMKII
Synaptic receptors
Issue Date24-Mar-2000
PublisherAmerican Association for the Advancement of Science
CitationScience 287: 2262 (2010)
AbstractTo elucidate mechanisms that control and execute activity-dependent synaptic plasticity, a-amino-3-hydroxy-5-methyl-4-isoxazole propionate receptors (AMPA-Rs) with an electrophysiological tag were expressed in rat hippocampal neurons. Long-term potentiation (LTP) or increased activity of the calcium/ calmodulin-dependent protein kinase II (CaMKII) induced delivery of tagged AMPA-Rs into synapses. This effect was not diminished by mutating the CaMKII phosphorylation site on the GluR1 AMPA-R subunit, but was blocked by mutating a predicted PDZ domain interaction site. These results show that LTP and CaMKII activity drive AMPA-Rs to synapses by a mechanism that requires the association between GluR1 and a PDZ domain protein.
Publisher version (URL)http://dx.doi.org/10.1126/science.287.5461.2262
URIhttp://hdl.handle.net/10261/39886
DOI10.1126/science.287.5461.2262
ISSN0036-8075
Appears in Collections:(CBM) Artículos
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