1988
The effects of pertussis toxin on autoreceptor-mediated inhibition of dopamine synthesis in the rat striatum.
Bean A, Shepard P, Bunney B, Nestler E, Roth R. The effects of pertussis toxin on autoreceptor-mediated inhibition of dopamine synthesis in the rat striatum. Molecular Pharmacology 1988, 34: 715-8. PMID: 2974120.Peer-Reviewed Original ResearchConceptsPertussis toxin injectionDopamine synthesisToxin injectionDopamine autoreceptorsRat striatumPertussis toxinAutoreceptor-mediated inhibitionDopamine agonist apomorphineG proteinsAgonist apomorphineUnilateral administrationControl ratsSystemic administrationStriatal tissueEffects of activationAutoreceptorsApomorphineStriatumRatsAdministrationInjectionToxinActivationStriataAgonists
1987
Electrophysiological studies on the specificity of the cholecystokinin antagonist proglumide
Chiodo L, Freeman A, Bunney B. Electrophysiological studies on the specificity of the cholecystokinin antagonist proglumide. Brain Research 1987, 410: 205-211. PMID: 3036308, DOI: 10.1016/0006-8993(87)90317-9.Peer-Reviewed Original ResearchConceptsExcitatory effectsInhibitory effectA9 DA neuronsCCK receptor blockadeSelective CCK antagonistsMidbrain dopamine cellsPrefrontal cortical neuronsInhibitory potencyDA neuronsReceptor blockadeChronic treatmentSensorimotor cortexCCK antagonistsC-terminal octapeptideDA cellsSubstance PAPO effectsCortical neuronsDopamine cellsIntravenous administrationSelective antagonistRat CNSProglumideElectrophysiological studiesCholecystokininActivity of A9 and A10 dopaminergic neurons in unrestrained rats: further characterization and effects of apomorphine and cholecystokinin
Freeman A, Bunney B. Activity of A9 and A10 dopaminergic neurons in unrestrained rats: further characterization and effects of apomorphine and cholecystokinin. Brain Research 1987, 405: 46-55. PMID: 3032350, DOI: 10.1016/0006-8993(87)90988-7.Peer-Reviewed Original ResearchConceptsCCK-8A9 neuronsDA neuronsDopaminergic neuronsUnrestrained ratsVentral tegmental area cellsFiring rateCCK-8 pretreatmentDA cell activitySingle dopaminergic neuronsEffects of apomorphineA10 dopaminergic neuronsActivity of A9Sulfated CCK-8A10 neuronsDA agonistsAnesthetized ratsParalyzed ratsSequential dosesA10 cellsCell activityCell firingUnit firingUnit activityApomorphine
1986
Induction of depolarization block in midbrain dopamine neurons by repeated administration of haloperidol: analysis using in vivo intracellular recording.
Grace A, Bunney B. Induction of depolarization block in midbrain dopamine neurons by repeated administration of haloperidol: analysis using in vivo intracellular recording. Journal Of Pharmacology And Experimental Therapeutics 1986, 238: 1092-100. PMID: 3746660.Peer-Reviewed Original ResearchConceptsAdministration of haloperidolDopamine neuronsVivo intracellular recordingsDepolarization blockIntracellular recordingsNigral dopamine neuronsAdministration of neurolepticsActive dopamine neuronsSpontaneous spike activityDopamine agonist apomorphineAntipsychotic drug haloperidolSpontaneous electrophysiological activityMidbrain dopamine neuronsAcute administrationAgonist apomorphineSubstantia nigraControl ratsExcitatory driveDepolarization blockadeDrug haloperidolSpontaneous activitySpike activityFiring rateHaloperidolNeurons
1985
Further Studies on the Specificity of Proglumide as a Selective Cholecystokinin Antagonist in the Central Nervous Systema
BUNNEY B, CHIODO L, FREEMAN A. Further Studies on the Specificity of Proglumide as a Selective Cholecystokinin Antagonist in the Central Nervous Systema. Annals Of The New York Academy Of Sciences 1985, 448: 345-351. PMID: 2862828, DOI: 10.1111/j.1749-6632.1985.tb29929.x.Peer-Reviewed Original ResearchLow doses of apomorphine elicit two opposing influences on dopamine cell electrophysiology
Grace A, Bunney B. Low doses of apomorphine elicit two opposing influences on dopamine cell electrophysiology. Brain Research 1985, 333: 285-298. PMID: 3995296, DOI: 10.1016/0006-8993(85)91582-3.Peer-Reviewed Original ResearchConceptsDA cell firingDA cellsLow dosesInput resistanceDA agonistsReversal potentialStriatonigral pathwayCell firingCell firing rateElectrophysiological actionsApomorphine effectApomorphine administrationSlow depolarizationIntracellular recordingsIntravenous administrationDopamine cellsInhibitory inputsApomorphineStriatal cellsAction potentialsFiring rateAgonistsDosesCell dischargeCell electrophysiologyFiring properties of substantia nigra dopaminergic neurons in freely moving rats
Freeman A, Meltzer L, Bunney B. Firing properties of substantia nigra dopaminergic neurons in freely moving rats. Life Sciences 1985, 36: 1983-1994. PMID: 3990520, DOI: 10.1016/0024-3205(85)90448-5.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsApomorphineDopamineHaloperidolMaleNeuronsRatsRats, Inbred StrainsSubstantia NigraConceptsPutative DA neuronsDA neuronsDopaminergic neuronsParalyzed ratsSubstantia nigra dopaminergic neuronsFiring patternsPutative dopaminergic neuronsNigrostriatal DA systemNigra dopaminergic neuronsApomorphine-induced inhibitionSingle spike activityPattern of firingSingle-unit recordingsDegree of burstSubstantia nigraDA cellsElectrophysiological characteristicsUnit recordingsSpike activityFiring propertiesRatsFiring rateNeuronsDA systemCells
1983
Intracellular and extracellular electrophysiology of nigral dopaminergic neurons—1. Identification and characterization
Grace A, Bunney B. Intracellular and extracellular electrophysiology of nigral dopaminergic neurons—1. Identification and characterization. Neuroscience 1983, 10: 301-315. PMID: 6633863, DOI: 10.1016/0306-4522(83)90135-5.Peer-Reviewed Original ResearchConceptsAction potentialsDopamine neuronsDopamine cellsGlyoxylic acid-induced catecholamine fluorescenceInput resistanceDopamine synthesizing enzymePostsynaptic target areasIntracellular dopamine contentNigral dopamine cellsPossible modulatory effectDopamine-containing cellsIntracellular dopamine concentrationSame inhibitory effectHigh input resistanceInitial segmentAntidromic activationDopaminergic neuronsDopamine contentIntracellular recordingsDopamine synthesisCaudate nucleusElectrophysiological characteristicsTyrosine hydroxylaseCatecholamine fluorescenceModulatory effects
1979
Dopamine Auto- and Postsynaptic Receptors: Electrophysiological Evidence for Differential Sensitivity to Dopamine Agonists
Skirboll L, Grace A, Bunney B. Dopamine Auto- and Postsynaptic Receptors: Electrophysiological Evidence for Differential Sensitivity to Dopamine Agonists. Science 1979, 206: 80-82. PMID: 482929, DOI: 10.1126/science.482929.Peer-Reviewed Original ResearchConceptsDopamine autoIntravenous apomorphineDopamine agonistsPostsynaptic receptorsCentral nervous systemSubstantia nigraDopaminergic cellsDifferential sensitivityDopamine cellsDopaminergic influenceCaudate nucleusLarge dosesCaudate cellsNervous systemActive neuronsBehavioral effectsElectrophysiological evidenceApomorphineAgonistsParadoxical behavioural effectsReceptorsDopamineCellsNeuronsDoses
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
1977
Dopamine “Autoreceptors”: Pharmacological characterization by microiontophoretic single cell recording studies
Aghajanian G, Bunney B. Dopamine “Autoreceptors”: Pharmacological characterization by microiontophoretic single cell recording studies. Naunyn-Schmiedeberg's Archives Of Pharmacology 1977, 297: 1-7. PMID: 193046, DOI: 10.1007/bf00508803.Peer-Reviewed Original ResearchConceptsDA neuronsDepressant effectDA agonist apomorphineWeak depressant actionSingle-cell recording studiesSingle-cell recordingsAgonist apomorphineDA agonistsMicroiontophoretic applicationMicroiontophoretic techniquesSubstantia nigraDepressant actionDopamine neuronsSingle dopamine neuronsPharmacological characterizationCatecholamine receptorsΒ-adrenoreceptorsCell recordingsCatecholamine agonistsRecording studiesNeuronsAutoreceptorsAntagonist trifluoperazineAgonistsSelective responsiveness
1973
Comparison of Effects of L-Dopa, Amphetamine and Apomorphine on Firing Rate of Rat Dopaminergic Neurones
BUNNEY B, AGHAJANIAN G, ROTH R. Comparison of Effects of L-Dopa, Amphetamine and Apomorphine on Firing Rate of Rat Dopaminergic Neurones. Nature 1973, 245: 123-125. PMID: 4518113, DOI: 10.1038/newbio245123a0.Peer-Reviewed Original ResearchConceptsDopamine receptorsAdjacent ventral tegmental areaL-DOPASubstantia nigra zona compactaFiring rateVentral tegmental areaAvailability of dopamineAromatic amino acid decarboxylaseDopamine-containing cellsAmount of dopamineComparison of effectsZona compactaTegmental areaD-amphetamineDopaminergic neuronesAmino acid decarboxylaseReceptor stimulationAcid decarboxylaseDopamineReceptorsApomorphineDrugsStimulationFeedback inhibitionCompacta