Dominant role of the GluR2 subunit in regulation of AMPA receptors by CaMKII

GluR1 and GluR2 subunits compose AMPA receptors (AMPARs) in the mature hippocampus, and both the GluR1 subunit and Ca2+/calmodulin-dependent protein kinase II (CaMKII) are required for synaptic plasticity, memory and learning. Although GluR1 phosphorylation by CaMKII is preserved, the functional reg...

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Veröffentlicht in:Nature neuroscience 2005-07, Vol.8 (7), p.853-854
Hauptverfasser: Derkach, Victor A, Oh, Michael C
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Oh, Michael C
description GluR1 and GluR2 subunits compose AMPA receptors (AMPARs) in the mature hippocampus, and both the GluR1 subunit and Ca2+/calmodulin-dependent protein kinase II (CaMKII) are required for synaptic plasticity, memory and learning. Although GluR1 phosphorylation by CaMKII is preserved, the functional regulation of AMPARs by phosphorylation is lost in the presence of the GluR2 subunit. Our findings define a previously unknown, dominant role of the GluR2 subunit in signaling mediated by CaMKII at AMPARs.
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subjects Calcium-Calmodulin-Dependent Protein Kinase Type 2
Calcium-Calmodulin-Dependent Protein Kinases - pharmacology
Calcium-Calmodulin-Dependent Protein Kinases - physiology
Cell Line
Electric Conductivity
Humans
Hypotheses
Kinases
Long-term potentiation
Neural transmission
Neuroplasticity
Phosphorylation
Receptors, AMPA - metabolism
Receptors, AMPA - physiology
Regulation
Signal Transduction
title Dominant role of the GluR2 subunit in regulation of AMPA receptors by CaMKII
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