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 strengthCellular 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
2009
Dopamine 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
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