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
Cellular 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
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 pathways
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