2012
Disrupted GABAAR trafficking and synaptic inhibition in a mouse model of Huntington's disease
Yuen EY, Wei J, Zhong P, Yan Z. Disrupted GABAAR trafficking and synaptic inhibition in a mouse model of Huntington's disease. Neurobiology Of Disease 2012, 46: 497-502. PMID: 22402331, PMCID: PMC3323696, DOI: 10.1016/j.nbd.2012.02.015.Peer-Reviewed Original ResearchConceptsHuntingtin associated protein 1Mouse modelHuntington's diseaseSynaptic inhibitionExcitatory/inhibitory balanceInhibitory synaptic efficacyDiminished surface expressionNeurodegenerative movement disorderTransgenic mouse modelHD mouse modelsNeuronal excitotoxicityInhibitory balanceMovement disordersAssociated protein 1Synaptic transmissionGABAAR traffickingSynaptic efficacySynaptic functionDiseaseReceptorsMutant huntingtinProtein 1Protein 5Surface expressionPolyglutamine repeats
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 strength
2010
Homeostatic regulation of glutamatergic transmission by dopamine D4 receptors
Yuen EY, Zhong P, Yan Z. Homeostatic regulation of glutamatergic transmission by dopamine D4 receptors. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 22308-22313. PMID: 21135234, PMCID: PMC3009820, DOI: 10.1073/pnas.1010025108.Peer-Reviewed Original ResearchConceptsSynaptic transmissionPrefrontal cortex pyramidal neuronsCortex pyramidal neuronsExcitatory synaptic transmissionAttention deficit hyperactivity disorderRole of dopamineDopamine D4 receptorGlutamatergic transmissionPyramidal neuronsCortical excitabilityProfound depressionMental disordersSynaptic functionBrain regionsD4 receptorsSynaptic factorsAMPAR traffickingPrefrontal cortexDistinct signaling pathwaysHyperactivity disorderCaMKII activityBidirectional regulationHomeostatic regulationReceptorsSignaling pathwaysThe 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
Dopamine D4 Receptors Regulate GABAA Receptor Trafficking via an Actin/Cofilin/Myosin-dependent Mechanism*
Graziane N, Yuen E, Yan Z. Dopamine D4 Receptors Regulate GABAA Receptor Trafficking via an Actin/Cofilin/Myosin-dependent Mechanism*. Journal Of Biological Chemistry 2009, 284: 8329-8336. PMID: 19179335, PMCID: PMC2659191, DOI: 10.1074/jbc.m807387200.Peer-Reviewed Original ResearchMeSH KeywordsActinsAnimalsCell MembraneCofilin 1Protein TransportRatsReceptors, Dopamine D4Receptors, GABA-ASignal TransductionConceptsTransport of vesiclesActin depolymerizing factorMyosin motor proteinsActin-dependent mechanismActin-binding siteMajor actin depolymerizing factorActin dynamicsPlasma membraneMotor proteinsActin depolymerizationActin filamentsMyosin proteinCellular mechanismsDephosphorylationPotential involvementProteinReceptor activationRegulationRegulation of dopamineReceptorsActin stabilizer phalloidinCofilinTraffickingDopamine D4 receptorLatrunculinDopamine 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
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 localizationMicrotubule Regulation of N-Methyl-D-aspartate Receptor Channels in Neurons*
Yuen EY, Jiang Q, Feng J, Yan Z. Microtubule Regulation of N-Methyl-D-aspartate Receptor Channels in Neurons*. Journal Of Biological Chemistry 2005, 280: 29420-29427. PMID: 15975919, DOI: 10.1074/jbc.m504499200.Peer-Reviewed Original ResearchConceptsN-methyl-D-aspartate receptorsMicrotubule depolymerizerNMDAR currentsNMDA receptorsRole of microtubulesMicrotubule regulationActin cytoskeletonBrain-derived neurotrophic factorCellular knockdownNMDAR traffickingMicrotubule-depolymerizing agentCortical pyramidal neuronsN-methyl-D-aspartate receptor channelsDendritic transportHigh NMDA concentrationsMicrotubulesPyramidal neuronsNeurotrophic factorNMDAR functionNMDA concentrationSynaptic currentsNeuronal dendritesSynaptic plasticityMicrotubule stabilizerImmunocytochemical studySerotonin 5-HT1A Receptors Regulate NMDA Receptor Channels through a Microtubule-Dependent Mechanism
Yuen EY, Jiang Q, Chen P, Gu Z, Feng J, Yan Z. Serotonin 5-HT1A Receptors Regulate NMDA Receptor Channels through a Microtubule-Dependent Mechanism. Journal Of Neuroscience 2005, 25: 5488-5501. PMID: 15944377, PMCID: PMC6724987, DOI: 10.1523/jneurosci.1187-05.2005.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium-Calmodulin-Dependent Protein Kinase Type 2Calcium-Calmodulin-Dependent Protein KinasesDendritesExtracellular Signal-Regulated MAP KinasesIn Vitro TechniquesKinesinsMembrane PotentialsMicrotubulesMolecular Motor ProteinsNeuronsPatch-Clamp TechniquesPrefrontal CortexProtein SubunitsProtein TransportRatsReceptor, Serotonin, 5-HT1AReceptors, N-Methyl-D-AspartateSerotoninSerotonin 5-HT1 Receptor AgonistsSynapsesConceptsMicrotubule-dependent mechanismMEK/ERKNMDA receptorsPrefrontal cortexMicrotubule stabilityDendritic transportNMDAR interactionMicrotubule assemblyBiochemical evidenceMEK inhibitorsPFC pyramidal neuronsNMDA receptor channelsRole of serotoninCaMKIIERKNeuronal dendritesNMDAR functionMicrotubule stabilizerPathological conditionsPrimary targetReceptor channelsPyramidal neuronsNMDAR currentsSerotonin systemReceptors