2010
Regulation of AMPA receptor channels and synaptic plasticity by cofilin phosphatase Slingshot in cortical neurons
Yuen EY, Liu W, Kafri T, Van Praag H, Yan Z. Regulation of AMPA receptor channels and synaptic plasticity by cofilin phosphatase Slingshot in cortical neurons. The Journal Of Physiology 2010, 588: 2361-2371. PMID: 20442266, PMCID: PMC2915513, DOI: 10.1113/jphysiol.2009.186353.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCells, CulturedCerebral CortexCofilin 1ElectrophysiologyExcitatory Postsynaptic PotentialsImmunohistochemistryLentivirusMicrofilament ProteinsNeuronal PlasticityNeuronsPhosphoric Monoester HydrolasesRatsReceptors, AMPARNA, Small InterferingRNA, ViralSynapsesSynaptic TransmissionConceptsExcitatory postsynaptic currentsCortical neuronsSynaptic transmissionSynaptic plasticityReceptor-mediated excitatory postsynaptic currentsAMPA receptor-mediated excitatory postsynaptic currentsPhosphatase SlingshotActin dynamicsAMPA receptor channelsFunction-blocking antibodiesSmall RNA interferenceAMPAR EPSCsMajor actin depolymerizing factorPostsynaptic currentsCofilin phosphatase SlingshotGluR-1Synaptic functionActin depolymerizing factorSpine morphologyAMPAR traffickingReceptor channelsActin cytoskeletonRNA interferenceNeuronsCofilin activationThe Stress Hormone Corticosterone Increases Synaptic α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid (AMPA) Receptors via Serum- and Glucocorticoid-inducible Kinase (SGK) Regulation of the GDI-Rab4 Complex*
Liu W, Yuen EY, Yan Z. The Stress Hormone Corticosterone Increases Synaptic α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid (AMPA) Receptors via Serum- and Glucocorticoid-inducible Kinase (SGK) Regulation of the GDI-Rab4 Complex*. Journal Of Biological Chemistry 2010, 285: 6101-6108. PMID: 20051515, PMCID: PMC2825404, DOI: 10.1074/jbc.m109.050229.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnti-Inflammatory AgentsCell LineCerebral CortexCorticosteroneGuanine Nucleotide Dissociation InhibitorsImmediate-Early ProteinsMiceNeuronsProtein Serine-Threonine KinasesProtein TransportRab4 GTP-Binding ProteinsRatsReceptors, AMPAReceptors, NeurotransmitterSynapsesUp-RegulationConceptsNucleotide Dissociation InhibitorSer-213Glucocorticoid-inducible kinaseRab proteinsKinase regulationDissociation inhibitorIsoxazolepropionic acid (AMPA) receptorsSmall GTPaseEarly endosomesAcid receptorsFunctional cycleCorticosteroid signalingSGK phosphorylationPlasma membraneRab4Receptor recyclingMolecular mechanismsCellular targetsCorticosteroid stress hormonesNeuronal functionPhosphorylationSurface expressionStress hormonesMembraneRegulation
2009
Assembly of a β2‐adrenergic receptor—GluR1 signalling complex for localized cAMP signalling
Joiner M, Lisé M, Yuen E, Kam A, Zhang M, Hall D, Malik Z, Qian H, Chen Y, Ulrich J, Burette A, Weinberg R, Law P, El‐Husseini A, Yan Z, Hell J. Assembly of a β2‐adrenergic receptor—GluR1 signalling complex for localized cAMP signalling. The EMBO Journal 2009, 29: 482-495. PMID: 19942860, PMCID: PMC2824466, DOI: 10.1038/emboj.2009.344.Peer-Reviewed Original ResearchMeSH KeywordsAdenylyl CyclasesAnimalsCalcium ChannelsCells, CulturedCerebral CortexCyclic AMP-Dependent Protein KinasesDisks Large Homolog 4 ProteinElectrophysiologyGene Expression RegulationGTP-Binding Protein alpha Subunits, GsHippocampusIntracellular Signaling Peptides and ProteinsMembrane ProteinsNeuronsRatsRats, Sprague-DawleyReceptors, Adrenergic, beta-2Receptors, AMPAConceptsUnknown molecular mechanismsMajor target proteinGluR1 surface expressionLocalized cAMPTarget proteinsMolecular mechanismsPhosphorylation of GluR1Selective regulationAdenylyl cyclaseProteinPSD-95PhosphorylationSurface expressionGlutamate receptor subunits GluR1PKAAssemblyPostsynaptic sitesCentral noradrenergic signalingHomologuesSubunit GluR1ComplexesCAMPSignalingAdrenergic receptorsStargazinUbiquitin-dependent lysosomal targeting of GABAA receptors regulates neuronal inhibition
Arancibia-Cárcamo I, Yuen E, Muir J, Lumb M, Michels G, Saliba R, Smart T, Yan Z, Kittler J, Moss S. Ubiquitin-dependent lysosomal targeting of GABAA receptors regulates neuronal inhibition. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 17552-17557. PMID: 19815531, PMCID: PMC2762659, DOI: 10.1073/pnas.0905502106.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexLeupeptinsLysosomesMicroscopy, ConfocalNeuronsProtein SubunitsRatsReceptors, GABA-ASynapsesUbiquitinConceptsSynaptic inhibitionGamma2 subunitInhibitory transmissionCerebral ischemiaAnoxic insultNeuronal inhibitionGABAA receptorsExcitatory currentsSynaptic sitesLysosomal targetingPathological conditionsLysosomal activityUnknown mechanismInhibitionReceptorsMolecular mechanismsIntracellular domainTargetingPathwayIschemiaNeuropathologyEndocytic pathwayInsult
2008
Postsynaptic Density-95 (PSD-95) and Calcineurin Control the Sensitivity of N-Methyl-d-aspartate Receptors to Calpain Cleavage in Cortical Neurons
Yuen EY, Ren Y, Yan Z. Postsynaptic Density-95 (PSD-95) and Calcineurin Control the Sensitivity of N-Methyl-d-aspartate Receptors to Calpain Cleavage in Cortical Neurons. Molecular Pharmacology 2008, 74: 360-370. PMID: 18445709, PMCID: PMC2858625, DOI: 10.1124/mol.108.046813.Peer-Reviewed Original ResearchConceptsN-methyl-D-aspartate receptorsCortical neuronsNR2B subunitExtrasynaptic N-methyl-D-aspartate receptorsPermeable glutamate receptorsProtein postsynaptic densityTransient forebrain ischemiaCultured cortical neuronsDependent protease calpainSynaptic NMDAR responsesPostsynaptic density-95Calpain-dependent mannerWhole-cell currentsExcitotoxic conditionsForebrain ischemiaCortical slicesNMDA treatmentNMDAR currentsNMDAR responsesNMDAR functionSubstrates of calpainGlutamate receptorsNeuronal excitabilityCalpain cleavageDensity-95
2007
The Phosphorylation State of GluR1 Subunits Determines the Susceptibility of AMPA Receptors to Calpain Cleavage*
Yuen EY, Liu W, Yan Z. The Phosphorylation State of GluR1 Subunits Determines the Susceptibility of AMPA Receptors to Calpain Cleavage*. Journal Of Biological Chemistry 2007, 282: 16434-16440. PMID: 17428797, DOI: 10.1074/jbc.m701283200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium-Calmodulin-Dependent Protein Kinase Type 2Calcium-Calmodulin-Dependent Protein KinasesCalpainCells, CulturedCerebral CortexEnzyme ActivationNeuronsPhosphoprotein PhosphatasesPhosphorylationProtein Phosphatase 1Protein Processing, Post-TranslationalProtein SubunitsRatsRats, Sprague-DawleyReceptors, AMPATime FactorsConceptsCalpain cleavagePhosphorylation stateProteolytic cleavageDependent protein kinase IITerminal fusion proteinEffect of phosphorylationProtein phosphatase 1/2AProtein kinase IIPhosphorylation sitesProtein kinaseCalpain cleavage sitesGluR1 subunitKinase IIFusion proteinActive CaMKIIAMPAR currentsCalpain regulationCleavage siteIsoxazoleproprionic acid (AMPA) receptorSubunitsIonotropic glutamate receptorsN-methyl-D-aspartate receptorsPhysiological studiesExcitatory synaptic transmissionAMPA receptor currentsCalpain regulation of AMPA receptor channels in cortical pyramidal neurons
Yuen EY, Gu Z, Yan Z. Calpain regulation of AMPA receptor channels in cortical pyramidal neurons. The Journal Of Physiology 2007, 580: 241-254. PMID: 17234699, PMCID: PMC2075435, DOI: 10.1113/jphysiol.2006.122754.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCalpainCells, CulturedCerebral CortexElectrophysiologyEndocytosisGerbillinaeImmunohistochemistryMaleMAP Kinase Kinase 2NeuronsNeuroprotective AgentsPatch-Clamp TechniquesPyramidal CellsRatsRats, Sprague-DawleyReceptors, AMPAReceptors, Cell SurfaceReceptors, N-Methyl-D-AspartateStimulation, ChemicalSynapsesSynaptic TransmissionConceptsCortical pyramidal neuronsNMDA receptorsPyramidal neuronsAMPA receptorsNMDA treatmentCalpain inhibitorsIschaemia-induced depressionFast excitatory synaptic transmissionTransient ischemic insultAMPAR-mediated currentsExcitatory synaptic transmissionCalpain-dependent mannerAMPA receptor channelsSelective calpain inhibitorsExcitotoxic conditionsIschemic animalsIschemic insultNeuronal excitotoxicityAMPAR currentsAMPA responsesCortical culturesExtracellular glutamateGlutamate receptorsGlutamate triggersNeuronal excitability