2007
Clozapine Blocks D-Amphetamine-Induced Excitation of Dopamine Neurons in the Ventral Tegmental Area
Shi W, Zhang X, Pun C, Bunney B. Clozapine Blocks D-Amphetamine-Induced Excitation of Dopamine Neurons in the Ventral Tegmental Area. Neuropsychopharmacology 2007, 32: 1922-1928. PMID: 17299514, DOI: 10.1038/sj.npp.1301334.Peer-Reviewed Original ResearchConceptsD2-like receptorsDA neuronsVentral tegmental areaD-amphetamineDA receptorsExcitatory effectsTegmental areaΑ1 receptor antagonist prazosinAtypical antipsychotic drug clozapineChloral hydrate-anesthetized ratsTypical antipsychotic drug haloperidolCentral dopamine transmissionCurrent antipsychotic drugsReceptor antagonist prazosinAntipsychotic drug haloperidolAntipsychotic drug clozapineAntagonist prazosinExcitatory pathwaysDA transmissionDopamine neuronsΑ1 receptorsSystemic administrationAntipsychotic drugsExcitatory inputsIncomplete blockade
1997
Dopamine-cell depolarization block as a model for the therapeutic actions of antipsychotic drugs
Grace A, Bunney B, Moore H, Todd C. Dopamine-cell depolarization block as a model for the therapeutic actions of antipsychotic drugs. Trends In Neurosciences 1997, 20: 31-37. PMID: 9004417, DOI: 10.1016/s0166-2236(96)10064-3.Peer-Reviewed Original ResearchConceptsDepolarization blockAntipsychotic drugsDopamine systemNigrostriatal dopamine systemWeeks of treatmentExtrapyramidal side effectsAntipsychotic drug efficacyDopamine receptor antagonistDrug treatment resultsMesolimbic dopamine neuronsTreatment of schizophreniaDopamine neuron firingReceptor blockadeDopamine neuronsTherapeutic impactSide effectsClinical actionsDrug AdministrationTherapeutic efficacyTreatment resultsDrug efficacyTherapeutic actionPotential mechanismsDrugsEfficacy
1992
Clozapine: A Hypothesised Mechanism for its Unique Clinical Profile
Bunney B. Clozapine: A Hypothesised Mechanism for its Unique Clinical Profile. The British Journal Of Psychiatry. Supplement 1992, 160: 17-21. PMID: 1418885, DOI: 10.1192/s0007125000296864.Peer-Reviewed Original Research
1991
Mechanisms of action of atypical antipsychotic drugs Implications for novel therapeutic strategies for schizophrenia
Deutch A, Moghaddam B, Innis R, Krystal J, Aghajanian G, Bunney B, Charney D. Mechanisms of action of atypical antipsychotic drugs Implications for novel therapeutic strategies for schizophrenia. Schizophrenia Research 1991, 4: 121-156. PMID: 1674882, DOI: 10.1016/0920-9964(91)90030-u.Peer-Reviewed Original ResearchConceptsAtypical antipsychotic drugsAntipsychotic drugsDopamine D2 receptor antagonismD2 receptor antagonismAtypical profileNovel therapeutic strategiesDopamine D2 receptorsMechanism of actionAtypical agentsReceptor antagonismClinical dataD2 receptorsTherapeutic strategiesDrug profileDrugs implicationsMode of actionDrugsAntagonismClozapineRacloprideSerotoninSubtypesSchizophrenia
1990
Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study
Moghaddam B, Bunney B. Acute Effects of Typical and Atypical Antipsychotic Drugs on the Release of Dopamine from Prefrontal Cortex, Nucleus Accumbens, and Striatum of the Rat: An In Vivo Microdialysis Study. Journal Of Neurochemistry 1990, 54: 1755-1760. PMID: 1969939, DOI: 10.1111/j.1471-4159.1990.tb01230.x.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexOutflow of dopamineRelease of dopamineNucleus accumbensAntipsychotic drugsPrefrontal cortexAcute effectsExtracellular levelsAtypical antipsychotic drug clozapineVivo microdialysis studyAtypical antipsychotic drugsEffects of sulpirideEffects of haloperidolAntipsychotic drug clozapineMicrodialysis studyVivo microdialysisDrug clozapineHaloperidolStriatumAccumbensCortexSulpirideExtracellular concentrationDopamineDrugsUtilization of microdialysis for assessing the release of mesotelencephalic dopamine following clozapine and other antipsychotic drugs
Moghaddam B, Bunney B. Utilization of microdialysis for assessing the release of mesotelencephalic dopamine following clozapine and other antipsychotic drugs. Progress In Neuro-Psychopharmacology And Biological Psychiatry 1990, 14: s51-s57. PMID: 2097674, DOI: 10.1016/0278-5846(90)90086-v.Peer-Reviewed Original ResearchConceptsAntipsychotic drugsDopamine systemNigrostriatal dopamine systemEffects of clozapineRelease of dopamineRat. 2Mesocortical dopamine systemAcute administrationVivo microdialysisMesotelencephalic systemNucleus accumbensPrefrontal effectPrefrontal cortexClozapineExtracellular concentrationDopamineHaloperidolMicrodialysisDrugsSulpirideMesolimbicStriatumAccumbensCortex
1989
The effect of acute and chronic treatment with SCH 23390 on the spontaneous activity of midbrain dopamine neurons
Esposito E, Bunney B. The effect of acute and chronic treatment with SCH 23390 on the spontaneous activity of midbrain dopamine neurons. European Journal Of Pharmacology 1989, 162: 109-113. PMID: 2656273, DOI: 10.1016/0014-2999(89)90609-2.Peer-Reviewed Original ResearchConceptsSubstantia nigra pars compactaVentral tegmental areaActive DA neuronsSCH 23390Chronic treatmentDA neuronsDopamine neuronsDepolarization blockSpontaneous activityDA receptor blockadeAcute subcutaneous injectionGroups of ratsMidbrain dopamine neuronsChronic haloperidolReceptor blockadeChronic administrationPars compactaTegmental areaAntipsychotic drugsSubcutaneous injectionChronic experimentsMarked reductionNeuronsTreatmentHaloperidol
1987
Chronic Neuroleptic Effects on Dopamine Neuron Activity: A Model for Predicting Therapeutic Efficacy and Side Effects?
Freeman A, Bunney B. Chronic Neuroleptic Effects on Dopamine Neuron Activity: A Model for Predicting Therapeutic Efficacy and Side Effects? Psychopharmacology Series 1987, 3: 225-235. PMID: 2881290, DOI: 10.1007/978-3-642-71288-3_26.Peer-Reviewed Original ResearchConceptsMost psychotic patientsDA receptor blockerTreatment of choiceDopamine neuron activityCentral catecholamine systemsReceptor blockadeReceptor blockersCatecholamine neuronsNeuroleptic effectsMajor symptomsAntipsychotic drugsCatecholamine systemsAntipsychotic propertiesForebrain regionsNeuronal activityCatecholamine receptorsSide effectsDopamine systemNeuron activityPsychotic patientsTherapeutic efficacyMode of actionFeedback pathwaysTreatmentNeuroleptics
1984
Antipsychotic drug effects on the electrical activity of dopaminergic neurons
Bunney B. Antipsychotic drug effects on the electrical activity of dopaminergic neurons. Trends In Neurosciences 1984, 7: 212-215. DOI: 10.1016/s0166-2236(84)80013-2.Peer-Reviewed Original ResearchClinical effectsAntipsychotic drugsChronic studiesAntipsychotic drug effectsDopamine cell activityCell firing rateMechanism of actionDopaminergic neuronsDrug effectsCell activityElectrophysiological techniquesFiring rateBehavioral effectsDrugsElectrical activityTime-dependent changesNeuronsCellular sitesChemical messengersSpecific actionsActivity
1983
Typical and atypical neuroleptics: differential effects of chronic administration on the activity of A9 and A10 midbrain dopaminergic neurons
Chiodo L, Bunney B. Typical and atypical neuroleptics: differential effects of chronic administration on the activity of A9 and A10 midbrain dopaminergic neurons. Journal Of Neuroscience 1983, 3: 1607-1619. PMID: 6135762, PMCID: PMC6564520, DOI: 10.1523/jneurosci.03-08-01607.1983.Peer-Reviewed Original ResearchConceptsExtrapyramidal side effectsDepolarization inactivationA10 neuronsAntipsychotic drugsDA neuronsDopaminergic neuronsSide effectsExtracellular single-unit recording techniquesExcitatory amino acid glutamateInhibitory neurotransmitter gamma-aminobutyric acidSingle-unit recording techniquesNeurotransmitter gamma-aminobutyric acidActive DA cellsA10 dopaminergic neuronsMidbrain dopaminergic neuronsGamma-aminobutyric acidActivity of A9Amino acid glutamateChronic administrationMicroiontophoretic applicationNeuroleptic treatmentNeuroleptic administrationAtypical neurolepticsTricyclic antidepressantsDA cells
1978
Acute and chronic haloperidol treatment: Comparison of effects on nigral dopaminergic cell activity
Bunney B, Grace A. Acute and chronic haloperidol treatment: Comparison of effects on nigral dopaminergic cell activity. Life Sciences 1978, 23: 1715-1727. PMID: 31529, DOI: 10.1016/0024-3205(78)90471-x.Peer-Reviewed Original ResearchConceptsChronic haloperidol treatmentDA cellsHaloperidol treatmentControl animalsCell activityExtracellular single-unit recordingsDopaminergic cell activityDopaminergic neuronal activityNigral DA cellsNeurological side effectsDopamine cell activitySingle-unit recordingsFeedback pathwaysComparison of effectsDA neuronsTime-dependent mannerMicroiontophoretic techniquesClinical effectsKainic acidAntipsychotic drugsDepolarization blockCaudate nucleusNeuronal activitySide effectsUnit recordings
1975
Effects of molindone on central dopaminergic neuronal activity and metabolism: similarity to other neuroleptics.
Bunney B, Roth R, Aghajanian G. Effects of molindone on central dopaminergic neuronal activity and metabolism: similarity to other neuroleptics. Psychopharmacology Communications 1975, 1: 349-58. PMID: 1224004.Peer-Reviewed Original ResearchConceptsEffects of molindoneCentral dopaminergic neuronal activityExtracellular single-unit recordingsLow intravenous dosesDopaminergic neuronal activityDA neuron activityMost antipsychotic drugsBaseline firing rateSingle-unit recordingsDA metabolismDA neuronsIntravenous dosesClassical neurolepticsDopaminergic neuronsOlfactory tubercleDA cellsAntipsychotic drugsD-amphetamineInduced depressionRat midbrainDopamine synthesisNeuronal activityUnit recordingsNeuron activityMolindone