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 activation
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 receptorsStargazinAcute stress enhances glutamatergic transmission in prefrontal cortex and facilitates working memory
Yuen EY, Liu W, Karatsoreos IN, Feng J, McEwen BS, Yan Z. Acute stress enhances glutamatergic transmission in prefrontal cortex and facilitates working memory. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 14075-14079. PMID: 19666502, PMCID: PMC2729022, DOI: 10.1073/pnas.0906791106.Peer-Reviewed Original ResearchConceptsAcute stressPrefrontal cortexGlucocorticoid receptorPotentiation of NMDARPFC pyramidal neuronsLong-term potentiationKey brain regionsCorticosteroid stress hormonesGR-dependent mechanismGlutamatergic transmissionPyramidal neuronsSynaptic transmissionBehavioral stressorsSynaptic currentsPFC neuronsBehavioral testsBrain regionsChronic stressAMPAR subunitsRecurrent excitationStress hormonesBeneficial effectsCellular mechanismsSurface expressionNMDAR
2008
Activation of 5-HT2A/C Receptors Counteracts 5-HT1A Regulation of N-Methyl-D-aspartate Receptor Channels in Pyramidal Neurons of Prefrontal Cortex*
Yuen EY, Jiang Q, Chen P, Feng J, Yan Z. Activation of 5-HT2A/C Receptors Counteracts 5-HT1A Regulation of N-Methyl-D-aspartate Receptor Channels in Pyramidal Neurons of Prefrontal Cortex*. Journal Of Biological Chemistry 2008, 283: 17194-17204. PMID: 18442977, PMCID: PMC2427346, DOI: 10.1074/jbc.m801713200.Peer-Reviewed Original ResearchConceptsPFC pyramidal neuronsExtracellular signal-regulated kinasePyramidal neuronsPrefrontal cortexNMDAR currentsN-methyl-D-aspartate receptor currentsN-methyl-D-aspartate receptor channelsSynaptic NMDAR responsesNMDAR responsesNMDAR functionActivation of ERKDendritic processesReceptor currentsPFC neuronsSignal-regulated kinaseReceptor activationMental disordersImmunocytochemical studyIntact animalsCounteractive effectsReceptor channelsInhibitory effectNeuronsCellular knockdownDependent pathway
2007
Calpain 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
2006
Adrenergic modulation of NMDA receptors in prefrontal cortex is differentially regulated by RGS proteins and spinophilin
Liu W, Yuen EY, Allen PB, Feng J, Greengard P, Yan Z. Adrenergic modulation of NMDA receptors in prefrontal cortex is differentially regulated by RGS proteins and spinophilin. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 18338-18343. PMID: 17101972, PMCID: PMC1838752, DOI: 10.1073/pnas.0604560103.Peer-Reviewed Original ResearchConceptsExcitatory postsynaptic currentsNMDA receptorsAlpha1-ARNMDAR currentsPrefrontal cortexNoradrenergic systemPFC neuronsAlpha2-AR agonistNMDAR EPSC amplitudePFC pyramidal neuronsPaired-pulse ratioAlpha2-adrenergic receptorsPhospholipase C-inositolEffect of RGS4Norepinephrine transporter inhibitorG protein-coupled receptorsSpinophilin knockout miceProtein-coupled receptorsAdrenergic modulationPyramidal neuronsPFC slicesPostsynaptic currentsMood controlMutant miceTransporter inhibitors