2014
Synergistic Regulation of Glutamatergic Transmission by Serotonin and Norepinephrine Reuptake Inhibitors in Prefrontal Cortical Neurons*
Yuen EY, Qin L, Wei J, Liu W, Liu A, Yan Z. Synergistic Regulation of Glutamatergic Transmission by Serotonin and Norepinephrine Reuptake Inhibitors in Prefrontal Cortical Neurons*. Journal Of Biological Chemistry 2014, 289: 25177-25185. PMID: 25056951, PMCID: PMC4155681, DOI: 10.1074/jbc.m114.567610.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic Uptake InhibitorsAnimalsBicucullineBlotting, WesternCarrier ProteinsCells, CulturedDesipramineDrug SynergismDynaminsEndocytosisExcitatory Postsynaptic PotentialsFluoxetineP38 Mitogen-Activated Protein KinasesPatch-Clamp TechniquesPrefrontal CortexPyramidal CellsRab5 GTP-Binding ProteinsRatsReceptor, Serotonin, 5-HT1AReceptors, Adrenergic, alpha-2Receptors, AMPASelective Serotonin Reuptake InhibitorsSignal TransductionSynaptic TransmissionConceptsNorepinephrine reuptake inhibitorsExcitatory postsynaptic currentsΑ2-adrenergic receptorsReuptake inhibitorsGlutamatergic transmissionPostsynaptic currentsCortical neuronsAMPAR-mediated excitatory postsynaptic currentsG proteinsPrefrontal cortex pyramidal neuronsDynamin-mediated endocytosisSelective reuptake inhibitorsProtein α subunitsCortex pyramidal neuronsPrefrontal cortical neuronsP38 kinase activityAMPAR surface expressionGood therapeutic effectG-protein modulatorsPyramidal neuronsClinical studiesTherapeutic effectMonoamine systemsAMPA receptorsKinase activity
2013
Restoration of Glutamatergic Transmission by Dopamine D4 Receptors in Stressed Animals*
Yuen EY, Zhong P, Li X, Wei J, Yan Z. Restoration of Glutamatergic Transmission by Dopamine D4 Receptors in Stressed Animals*. Journal Of Biological Chemistry 2013, 288: 26112-26120. PMID: 23884421, PMCID: PMC3764814, DOI: 10.1074/jbc.m112.396648.Peer-Reviewed Original ResearchConceptsD4 receptorsDopamine D4 receptorExcitatory transmissionGlutamatergic transmissionPrefrontal cortexAMPA receptor-mediated synaptic transmissionReceptor-mediated synaptic transmissionCalcium/calmodulin kinase II activityEffects of D4PFC pyramidal neuronsCalmodulin kinase II activityKey brain regionsAttention deficit hyperactivity disorderBi-directional regulationDeficit hyperactivity disorderPyramidal neuronsCortical excitabilityDopaminergic inputSynaptic actionsSynaptic transmissionPotent reductionAMPA receptorsKinase II activityStressed animalsMaladaptive changes
2011
Impaired α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) Receptor Trafficking and Function by Mutant Huntingtin*
Mandal M, Wei J, Zhong P, Cheng J, Duffney L, Liu W, Yuen E, Twelvetrees A, Li S, Li X, Kittler J, Yan Z. Impaired α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) Receptor Trafficking and Function by Mutant Huntingtin*. Journal Of Biological Chemistry 2011, 286: 33719-33728. PMID: 21832090, PMCID: PMC3190808, DOI: 10.1074/jbc.m111.236521.Peer-Reviewed Original ResearchConceptsMiniature excitatory postsynaptic currentsMouse modelMutant huntingtinAMPAR-mediated synaptic transmissionHuntington Disease PathophysiologyAMPAR-mediated miniature excitatory postsynaptic currentsExcitatory postsynaptic currentsTransgenic mouse modelHD mouse modelsIsoxazolepropionic acid receptor (AMPAR) traffickingReceptor traffickingAMPA receptor traffickingPolyQ-httGlutamatergic transmissionPostsynaptic currentsSynaptic excitationSynaptic transmissionAMPA receptorsWild-type huntingtinNeuronal culturesDisease pathophysiologySynaptic functionAMPAR traffickingΑ-aminoDiminished strengthAmyloid β Peptide-(1–42) Induces Internalization and Degradation of β2 Adrenergic Receptors in Prefrontal Cortical Neurons*
Wang D, Yuen E, Zhou Y, Yan Z, Xiang Y. Amyloid β Peptide-(1–42) Induces Internalization and Degradation of β2 Adrenergic Receptors in Prefrontal Cortical Neurons*. Journal Of Biological Chemistry 2011, 286: 31852-31863. PMID: 21757762, PMCID: PMC3173113, DOI: 10.1074/jbc.m111.244335.Peer-Reviewed Original ResearchConceptsPrefrontal cortical neuronsCortical neuronsAdrenergic receptorsAMPA receptor-mediated miniature excitatory postsynaptic currentsG protein-coupled receptor kinase phosphorylationMiniature excitatory postsynaptic currentsCerebrum of miceΒAR agonist isoproterenolAmyloid precursor protein geneExcitatory postsynaptic currentsG protein-coupled receptor kinasesPrecursor protein geneProtein-coupled receptor kinasesReceptor subunit 1Mutant presenilin 1Receptor kinase phosphorylationGlutamatergic activityGlutamatergic regulationAβ bindsInduces desensitizationAβ treatmentPostsynaptic currentsΒ2-adrenergic receptorSynaptic activityAgonist isoproterenolCellular Mechanisms for Dopamine D4 Receptor-induced Homeostatic Regulation of α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid (AMPA) Receptors*
Yuen EY, Yan Z. Cellular Mechanisms for Dopamine D4 Receptor-induced Homeostatic Regulation of α-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid (AMPA) Receptors*. Journal Of Biological Chemistry 2011, 286: 24957-24965. PMID: 21622557, PMCID: PMC3137069, DOI: 10.1074/jbc.m111.221416.Peer-Reviewed Original ResearchConceptsGlutamatergic transmissionPFC neuronsPrefrontal cortexCalcium/calmodulin kinase II activityAMPAR responsesIsoxazolepropionic acid (AMPA) receptorsHomeostatic regulationCalmodulin kinase II activityAttention deficit hyperactivity disorderBi-directional regulationDopamine D4 receptorDeficit hyperactivity disorderAberrant dopaminePyramidal neuronsAMPA receptorsKinase II activitySynaptic currentsSynaptic targetingMental illnessAcid receptorsReceptor functionD4 receptorsCaMKII inhibitionActivity stateDistinct signaling mechanisms
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 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 expressionNMDARDopamine D4 Receptors Regulate AMPA Receptor Trafficking and Glutamatergic Transmission in GABAergic Interneurons of Prefrontal Cortex
Yuen EY, Yan Z. Dopamine D4 Receptors Regulate AMPA Receptor Trafficking and Glutamatergic Transmission in GABAergic Interneurons of Prefrontal Cortex. Journal Of Neuroscience 2009, 29: 550-562. PMID: 19144855, PMCID: PMC2768380, DOI: 10.1523/jneurosci.5050-08.2009.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsCalcineurinColchicineDopamine AgentsEnzyme InhibitorsGamma-Aminobutyric AcidGlutamate DecarboxylaseGlutamic AcidGreen Fluorescent ProteinsIn Vitro TechniquesInterneuronsMiceMice, TransgenicMicrofilament ProteinsPatch-Clamp TechniquesPhalloidinePhosphoric Monoester HydrolasesPrefrontal CortexProtein TransportRatsReceptors, AMPAReceptors, Dopamine D4RNA, Small InterferingSynaptic TransmissionTransfectionTubulin ModulatorsConceptsGABAergic interneuronsAttention deficit hyperactivity disorderGABAergic inhibitionGlutamatergic transmissionPrefrontal cortexAMPAR-mediated synaptic transmissionLocal circuit neuronsPFC pyramidal neuronsExcitatory synaptic strengthAbnormal neural synchronyAMPA receptor traffickingDopamine D4 receptorAMPAR EPSCsDeficit hyperactivity disorderPFC interneuronsPyramidal neuronsMajor actin depolymerizing factorMemory disturbanceSynaptic transmissionAMPA receptorsCortical circuitsNeuronal activityPersistent suppressionInterneuronsMental disorders
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
2005
Activation of Dopamine D4 Receptors Induces Synaptic Translocation of Ca2+/Calmodulin-Dependent Protein Kinase II in Cultured Prefrontal Cortical Neurons
Gu Z, Jiang Q, Yuen E, Yan Z. Activation of Dopamine D4 Receptors Induces Synaptic Translocation of Ca2+/Calmodulin-Dependent Protein Kinase II in Cultured Prefrontal Cortical Neurons. Molecular Pharmacology 2005, 69: 813-822. PMID: 16365279, DOI: 10.1124/mol.105.018853.Peer-Reviewed Original ResearchConceptsD4 receptor activationDependent protein kinase IIProtein kinase IIAlpha-CaMKIID4 receptorsDopamine D4 receptorCaMKII translocationKinase IIReceptor activationF-actinSynaptic translocationPostsynaptic sitesBinding of CaMKIITrisphosphate receptor/Ca2Receptor-mediated excitatory postsynaptic currentsAMPA receptor-mediated excitatory postsynaptic currentsPhospholipase C/inositolPrefrontal cortexCalmodulin binding siteExcitatory postsynaptic currentsGlutamate receptor 1 (GluR1) subunitPrefrontal cortical neuronsD4 receptor stimulationAutophosphorylation sitesSubcellular localization