2007
Functional Coupling between the Prefrontal Cortex and Dopamine Neurons in the Ventral Tegmental Area
Gao M, Liu C, Yang S, Jin G, Bunney B, Shi W. Functional Coupling between the Prefrontal Cortex and Dopamine Neurons in the Ventral Tegmental Area. Journal Of Neuroscience 2007, 27: 5414-5421. PMID: 17507563, PMCID: PMC6672349, DOI: 10.1523/jneurosci.5347-06.2007.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsDopamineMaleNeuronsPrefrontal CortexRatsRats, Sprague-DawleyVentral Tegmental AreaConceptsVentral tegmental areaVTA DA neuronsDA neuronsPrefrontal cortexPFC neuronsDopamine neuronsTegmental areaAction potential-dependent DA releaseSlow oscillationsChloral hydrate-anesthetized ratsIntra-PFC infusionsFunctional couplingPFC terminalsVTA DAGlutamate releaseDA releaseExcitatory influenceRelay neuronsInhibitory influenceCell activityBrain functionNeuronsImportant new insightsCortexMultiple pathways
2000
Enhancement of NMDA‐induced current by the putative NR2B selective antagonist ifenprodil
Zhang X, Bunney B, Shi W. Enhancement of NMDA‐induced current by the putative NR2B selective antagonist ifenprodil. Synapse 2000, 37: 56-63. PMID: 10842351, DOI: 10.1002/(sici)1098-2396(200007)37:1<56::aid-syn6>3.0.co;2-d.Peer-Reviewed Original ResearchMeSH Keywords2-Amino-5-phosphonovalerateAnimalsDizocilpine MaleateDose-Response Relationship, DrugDrug SynergismElectrophysiologyExcitatory Amino Acid AgonistsExcitatory Amino Acid AntagonistsGlycineKynurenic AcidMaleMembrane PotentialsN-MethylaspartateOrgan Culture TechniquesPiperidinesPrefrontal CortexPyramidal CellsRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateSpermineConceptsLow NMDA concentrationsNMDA currentsNMDA concentrationReceptor affinityNMDA receptor affinityEffects of ifenprodilNR2B-selective antagonist ifenprodilEnhancement of NMDARat brain slicesNMDA receptorsAntagonist selectiveBrain slicesSubcortical areasNR2B subunitNMDANoncompetitive antagonistIfenprodilCGP37849Same concentrationKynurenatePrevious studiesAntagonistReceptors
1999
Opposite modulation of cortical N-methyl-d-aspartate receptor-mediated responses by low and high concentrations of dopamine
Zheng P, Zhang X, Bunney B, Shi W. Opposite modulation of cortical N-methyl-d-aspartate receptor-mediated responses by low and high concentrations of dopamine. Neuroscience 1999, 91: 527-535. PMID: 10366010, DOI: 10.1016/s0306-4522(98)00604-6.Peer-Reviewed Original ResearchMeSH Keywords1-Methyl-3-isobutylxanthine2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineAlpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnimalsBenzazepinesDizocilpine MaleateDopamineDopamine AgonistsDopamine AntagonistsDose-Response Relationship, DrugExcitatory Amino Acid AntagonistsIn Vitro TechniquesMaleMembrane PotentialsPrefrontal CortexPyramidal CellsQuinoxalinesQuinpiroleRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateConceptsN-methyl-D-aspartate functionN-methyl-D-aspartate currentsN-methyl-D-aspartate (NMDA) receptor-mediated transmissionN-methyl-D-aspartate receptor-mediated responsesN-methyl-D-aspartate receptorsHigh concentrations dopamineReceptor-mediated transmissionD2 agonist quinpiroleD1 agonist SKF38393D-aspartate antagonistD1-like receptorsGlutamate-mediated neurotransmissionD2-like receptorsPresence of tetrodotoxinEffects of dopamineReceptor-mediated responsesWhole-cell recordingsD-aspartate agonistMedial prefrontal cortexBrief local applicationDizocilpine maleateAgonist SKF38393Concentration of dopamineCortical dopamineGlutamate transmission
1997
Characterization of dopamine‐induced depolarization of prefrontal cortical neurons
Shi W, Zheng P, Liang X, Bunney B. Characterization of dopamine‐induced depolarization of prefrontal cortical neurons. Synapse 1997, 26: 415-422. PMID: 9215600, DOI: 10.1002/(sici)1098-2396(199708)26:4<415::aid-syn9>3.0.co;2-9.Peer-Reviewed Original ResearchConceptsEffects of dopaminePFC neuronsDA agonistsPrefrontal cortexAtypical antipsychotic drug clozapinePrefrontal cortical neuronsRat brain slicesAntipsychotic drug clozapineWhole-cell recordingsPFC pyramidal cellsSynaptic blockadeDA receptorsBeta antagonistDA antagonistsSubstantia nigraCortical neuronsPyramidal cellsBrain slicesDrug clozapineCell recordingsNeuronsAntagonistNonspecific mechanismsDopamineDepolarization
1996
Effects of Lesions in the Medial Prefrontal Cortex on the Activity of Midbrain Dopamine Neurons
Shim S, Bunney B, Shi W. Effects of Lesions in the Medial Prefrontal Cortex on the Activity of Midbrain Dopamine Neurons. Neuropsychopharmacology 1996, 15: 437-441. PMID: 8914116, DOI: 10.1016/s0893-133x(96)00052-8.Peer-Reviewed Original ResearchConceptsVentral tegmental areaDA neuronsPrefrontal cortexSubstantia nigraPFC lesionsBursting activityFiring rateActive DA cellsSN DA neuronsActive DA neuronsMidbrain dopamine neuronsSingle-unit recordingsMedial prefrontal cortexDA cellsDopamine neuronsTegmental areaLocal injectionIbotenic acidUnit recordingsLesionsSame lesionNeuronsRatsActivityCortexRole of the Amygdala in the Coordination of Behavioral, Neuroendocrine, and Prefrontal Cortical Monoamine Responses to Psychological Stress in the Rat
Goldstein L, Rasmusson A, Bunney B, Roth R. Role of the Amygdala in the Coordination of Behavioral, Neuroendocrine, and Prefrontal Cortical Monoamine Responses to Psychological Stress in the Rat. Journal Of Neuroscience 1996, 16: 4787-4798. PMID: 8764665, PMCID: PMC6579011, DOI: 10.1523/jneurosci.16-15-04787.1996.Peer-Reviewed Original ResearchConceptsAmygdala lesionsMonoaminergic systemsMetabolic activationAdrenocortical activationStress-induced freezing behaviorStress-induced exacerbationStress-induced freezingPosttraumatic stress disorderAnteromedial prefrontal cortexNorepinephrine metabolismMonoamine responseAfferent controlNeuroendocrine componentBilateral NMDAPFC dopamineSchizophrenic symptomsCentral nucleusMild stressPrefrontal cortexStress disorderPsychological stressLesionsDopamineStress activationUltrasonic vocalizations
1994
5‐HT1a agonist ±‐ 8‐OH‐DPAT modulates basal and stress‐induced changes in medial prefrontal cortical dopamine
Rasmusson A, Goldstein L, Deutch A, Bunney B, Roth R. 5‐HT1a agonist ±‐ 8‐OH‐DPAT modulates basal and stress‐induced changes in medial prefrontal cortical dopamine. Synapse 1994, 18: 218-224. PMID: 7855734, DOI: 10.1002/syn.890180307.Peer-Reviewed Original ResearchConceptsDopamine utilizationMedial prefrontal cortexStress-induced changesClinical efficacyMedial prefrontal cortical dopamineMicrograms/Prefrontal cortexAnxiety disordersPrefrontal cortical dopamineFootshock-induced increaseObserved clinical efficacyDopamine terminal fieldsCortical dopamineFootshock stressExtracellular dopamineHuman anxiety disordersNucleus accumbensSame doseTerminal fieldsEx vivo brain tissueNeurochemical analysisDopamine systemDPATAgonistsBrain tissueThe NMDA glycine site antagonist (+)-HA-966 selectively regulates conditioned stress-induced metabolic activation of the mesoprefrontal cortical dopamine but not serotonin systems: a behavioral, neuroendocrine, and neurochemical study in the rat
Goldstein L, Rasmusson A, Bunney B, Roth R. The NMDA glycine site antagonist (+)-HA-966 selectively regulates conditioned stress-induced metabolic activation of the mesoprefrontal cortical dopamine but not serotonin systems: a behavioral, neuroendocrine, and neurochemical study in the rat. Journal Of Neuroscience 1994, 14: 4937-4950. PMID: 8046462, PMCID: PMC6577203, DOI: 10.1523/jneurosci.14-08-04937.1994.Peer-Reviewed Original ResearchConceptsStress-induced increaseNMDA glycine-site antagonistsDA utilizationGlycine modulatory siteGlycine site antagonistHA-966Conditioned stressPrefrontal cortexCortical dopamineSite antagonistNucleus accumbensControl animalsModulatory siteMedial prefrontal cortical dopamineLateral prefrontal cortexPrefrontal cortical dopamineSerum corticosterone levelsNMDA receptor complexPost-traumatic stress disorderMedial prefrontal cortexNeurotransmitter ratiosRegional dopamineSerotonin utilizationSerum corticosteroneNMDA receptorsPreferential activation of dopamine overflow in prefrontal cortex produced by chronic clozapine treatment
Youngren K, Moghaddam B, Bunney B, Roth R. Preferential activation of dopamine overflow in prefrontal cortex produced by chronic clozapine treatment. Neuroscience Letters 1994, 165: 41-44. PMID: 8015734, DOI: 10.1016/0304-3940(94)90704-8.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexChronic treatmentNucleus accumbensPrefrontal cortexChronic clozapine treatmentBasal dopamine releaseExtracellular dopamine levelsChronic clozapineClozapine treatmentIntracerebral microdialysisAcute doseDopaminergic toneDopamine levelsDopamine releaseExtracellular dopamineRat striatumDopamine overflowClozapineBrain regionsPreferential activationStriatumAccumbensCortexTreatmentMicrodialysis