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
Mechanisms for acute stress-induced enhancement of glutamatergic transmission and working memory
Yuen EY, Liu W, Karatsoreos IN, Ren Y, Feng J, McEwen BS, Yan Z. Mechanisms for acute stress-induced enhancement of glutamatergic transmission and working memory. Molecular Psychiatry 2010, 16: 156-170. PMID: 20458323, PMCID: PMC3108461, DOI: 10.1038/mp.2010.50.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornBiophysicsCells, CulturedCorticosteroneDose-Response Relationship, DrugDrug InteractionsElectric StimulationExcitatory Amino Acid AgentsExcitatory Postsynaptic PotentialsGene Expression RegulationGlutamic AcidGreen Fluorescent ProteinsHormone AntagonistsImmediate-Early ProteinsIn Vitro TechniquesLong-Term PotentiationMaleMaze LearningMemory, Short-TermMifepristonePatch-Clamp TechniquesPeptidesPrefrontal CortexProtein Serine-Threonine KinasesPyramidal CellsRab GTP-Binding ProteinsRatsRats, Sprague-DawleyReceptors, GlutamateRNA, Small InterferingStress, PsychologicalSynaptic TransmissionTime FactorsTransfectionConceptsPrefrontal cortexGlutamatergic transmissionAcid receptorsPFC pyramidal neuronsAspartic acid (NMDA) receptorsIsoxazolepropionic acid (AMPA) receptorsInduction of serumCorticosteroid stress hormonesFunction of NMDARsStress-induced enhancementSustained potentiationPyramidal neuronsCorticosterone treatmentSynaptic responsesSynaptic transmissionBehavioral stressorsGlucocorticoid-inducible kinaseGlucocorticoid receptorAcute stressStress hormonesΑ-aminoSurface expressionReceptorsUnderlying mechanismReceptor recyclingDelivery of GABAARs to Synapses Is Mediated by HAP1-KIF5 and Disrupted by Mutant Huntingtin
Twelvetrees A, Yuen E, Arancibia-Carcamo I, MacAskill A, Rostaing P, Lumb M, Humbert S, Triller A, Saudou F, Yan Z, Kittler J. Delivery of GABAARs to Synapses Is Mediated by HAP1-KIF5 and Disrupted by Mutant Huntingtin. Neuron 2010, 65: 53-65. PMID: 20152113, PMCID: PMC2841506, DOI: 10.1016/j.neuron.2009.12.007.Peer-Reviewed Original ResearchConceptsHuntingtin-associated protein 1Huntington's diseaseInhibitory postsynaptic currentsMutant huntingtinInhibitory synaptic currentsBrain excitabilityPostsynaptic currentsSynaptic inhibitionTherapeutic approachesSynaptic currentsDiseaseBrain information processingMolecular targetsSynapsesProtein 1Protein 5Protein huntingtinHuntingtinReceptorsPolyglutamine repeatsInhibitionGABAARsExcitability
2005
Regulation of N-Methyl-D-aspartate Receptors by Calpain in Cortical Neurons*
Wu HY, Yuen EY, Lu YF, Matsushita M, Matsui H, Yan Z, Tomizawa K. Regulation of N-Methyl-D-aspartate Receptors by Calpain in Cortical Neurons*. Journal Of Biological Chemistry 2005, 280: 21588-21593. PMID: 15790561, DOI: 10.1074/jbc.m501603200.Peer-Reviewed Original ResearchConceptsN-methyl-D-aspartate receptorsNMDA receptorsNMDAR currentsCortical neuronsCalpain inhibitorsCultured cortical neuronsCortical pyramidal neuronsDynamin inhibitory peptideFunction of NMDARsInhibitory peptidesInvolvement of calpainNMDAR-mediated currentsNMDAR channel functionSelective calpain inhibitorsNMDAR internalizationNMDAR overstimulationNeuroprotective mechanismsPyramidal neuronsNMDA treatmentBath applicationIntracellular injectionNR2B subunitCalcium entryPathologic functionsProlonged treatment