2000
Dual Effects of d-Amphetamine on Dopamine Neurons Mediated by Dopamine and Nondopamine Receptors
Shi W, Pun C, Zhang X, Jones M, Bunney B. Dual Effects of d-Amphetamine on Dopamine Neurons Mediated by Dopamine and Nondopamine Receptors. Journal Of Neuroscience 2000, 20: 3504-3511. PMID: 10777813, PMCID: PMC6773133, DOI: 10.1523/jneurosci.20-09-03504.2000.Peer-Reviewed Original ResearchConceptsD2-like receptorsD-amphetamineDA cellsSelective D2 antagonist racloprideVivo single-unit recordingsFiring rateAlpha-antagonist phenoxybenzamineAlpha1-antagonist prazosinAlpha2 antagonist idazoxanD2 antagonist racloprideDA cell firingSingle-unit recordingsRelated psychostimulantsAntagonist idazoxanAntagonist phenoxybenzamineDA receptorsAntagonist prazosinAntagonist racloprideExcitatory effectsAlpha1 receptorsDopamine neuronsDopamine releaseCell firingInhibitory effectReceptors
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 lesionNeuronsRatsActivityCortex
1995
Ritanserin, a 5-HT2A/2C antagonist, reverses direct dopamine agonist-induced inhibition of midbrain dopamine neurons.
Shi W, Nathaniel P, Bunney B. Ritanserin, a 5-HT2A/2C antagonist, reverses direct dopamine agonist-induced inhibition of midbrain dopamine neurons. Journal Of Pharmacology And Experimental Therapeutics 1995, 274: 735-40. PMID: 7636736.Peer-Reviewed Original ResearchConceptsEffects of ritanserinBasal firing rateDA autoreceptorsDA neuronsDA agonistsP-chlorophenylalanineSubstantia nigra DA neuronsSingle-unit recording techniquesChloral hydrate-anesthetized ratsFiring rateDA agonist quinpiroleDirect DA agonistsIndirect DA agonistPostsynaptic D2 receptorsExtrapyramidal side effectsD2-like receptorsSignificant therapeutic effectAgonist-induced inhibitionMidbrain dopamine neuronsMidbrain dopamine systemAgonist quinpiroleDA antagonistsMDL 100907Receptor antagonistDopamine neurons
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 ResearchMeSH KeywordsAntipsychotic AgentsBrainHumansReceptors, DopamineReceptors, SerotoninSchizophreniaSchizophrenic PsychologyConceptsAtypical antipsychotic drugsAntipsychotic drugsDopamine D2 receptor antagonismD2 receptor antagonismAtypical profileNovel therapeutic strategiesDopamine D2 receptorsMechanism of actionAtypical agentsReceptor antagonismClinical dataD2 receptorsTherapeutic strategiesDrug profileDrugs implicationsMode of actionDrugsAntagonismClozapineRacloprideSerotoninSubtypesSchizophreniaNeurotensin modulates autoreceptor mediated dopamine effects on midbrain dopamine cell activity
Shi W, Bunney B. Neurotensin modulates autoreceptor mediated dopamine effects on midbrain dopamine cell activity. Brain Research 1991, 543: 315-321. PMID: 1676331, DOI: 10.1016/0006-8993(91)90043-u.Peer-Reviewed Original ResearchConceptsDA cellsCell activityFiring rateDA cell activityInteraction of neurotensinGlutamate-induced excitationEffects of neurotensinMidbrain dopamine cell activityDopamine cell activityMidbrain dopamine neuronsSpecific D2 agonistMicroiontophoretic techniquesD2 agonistDopamine neuronsD2 receptorsDopamine effectsSpontaneous activityNeurotensinNT effectsLocal ejectionInhibitionSignificant changesCellsCell levelSame cells
1990
Neurotensin attenuates dopamine D2 agonist quinpirole-induced inhibition of midbrain dopamine neurons
Shi W, Bunney B. Neurotensin attenuates dopamine D2 agonist quinpirole-induced inhibition of midbrain dopamine neurons. Neuropharmacology 1990, 29: 1095-1097. PMID: 1982340, DOI: 10.1016/0028-3908(90)90119-c.Peer-Reviewed Original ResearchConceptsD2 agonistDA cellsSingle-unit recording techniquesMidbrain DA neuronsCentral DA systemsDopamine D2 agonistMidbrain dopamine neuronsSpecific D2 agonistDA neuronsIntracerebroventricular administrationDopamine neuronsSpontaneous activityDA systemInhibitory effectRecording techniquesAgonistsNeuronsBiochemical studiesCellsQuinpiroleNeurotensinRatsAdministration
1989
Pharmacological characterization of the receptor mediating electrophysiological responses to dopamine in the rat medial prefrontal cortex: a microiontophoretic study.
Sesack S, Bunney B. Pharmacological characterization of the receptor mediating electrophysiological responses to dopamine in the rat medial prefrontal cortex: a microiontophoretic study. Journal Of Pharmacology And Experimental Therapeutics 1989, 248: 1323-33. PMID: 2564893.Peer-Reviewed Original ResearchConceptsRat medial prefrontal cortexMedial prefrontal cortexGamma-aminobutyric acidD2-selective agonistsSelective agonistPrefrontal cortexPFC neuronsInhibitory effectSelective antagonistExtracellular single-unit recordingsD1-selective agonistsSingle-unit recordingsD1-selective antagonistD2-selective antagonistWeak antagonist activityMicroiontophoretic studyMicroiontophoretic techniquesSuperficial laminaeIontophoretic applicationLY171555Pharmacological characterizationInhibitory responsesMajority of cellsPharmacological characteristicsPharmacological profile
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
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 electrophysiology
1984
The effects of phencyclidine and N-allylnormetazocine on midbrain dopamine neuronal activity
Freeman A, Bunney B. The effects of phencyclidine and N-allylnormetazocine on midbrain dopamine neuronal activity. European Journal Of Pharmacology 1984, 104: 287-293. PMID: 6094217, DOI: 10.1016/0014-2999(84)90404-7.Peer-Reviewed Original ResearchConceptsDA neuronsNeuronal activityN-allylnormetazocineMidbrain dopamine neuronal activitySingle-unit recording techniquesSubstantia nigra zona compactaFiring rateA10 DA neuronsDopamine neuronal activitySigma receptor agonistsMidbrain dopamine neuronsBaseline firing rateEffects of phencyclidineWeak inhibitory actionExcitatory effectsZona compactaHaloperidol pretreatmentDopamine neuronsReceptor agonistBiphasic effectInhibitory actionNeuronsRecording techniquesPhencyclidineDrugsEvidence for the absence of impulse-regulating somatodendritic and synthesis-modulating nerve terminal autoreceptors on subpopulations of mesocortical dopamine neurons
Chiodo L, Bannon M, Grace A, Roth R, Bunney B. Evidence for the absence of impulse-regulating somatodendritic and synthesis-modulating nerve terminal autoreceptors on subpopulations of mesocortical dopamine neurons. Neuroscience 1984, 12: 1-16. PMID: 6462443, DOI: 10.1016/0306-4522(84)90133-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCerebral CortexDendritesDopamineElectrophysiologyMaleNerve EndingsNeuronsRatsRats, Inbred StrainsReceptors, DopamineConceptsSpikes/sDopamine neuronsPiriform cortexDopamine levelsCaudate nucleusCingulate cortexIntravenous administrationDopamine cellsFiring rateGlyoxylic acid-induced histofluorescenceCatecholamine histofluorescence techniquesMesocortical dopamine neuronsNerve terminal autoreceptorsNigrostriatal dopamine cellsDose-dependent inhibitory responseDopamine agonist apomorphineBasal discharge rateMidbrain dopaminergic neuronsMidbrain dopaminergic systemMean firing rateMidbrain dopamine systemMesocortical neuronsAgonist apomorphineMicroiontophoretic applicationAntidromic activation
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
1981
Peptide-monoamine coexistence: Studies of the actions of cholecystokinin-like peptide on the electrical activity of midbrain dopamine neurons
Skirboll L, Grace A, Hommer D, Rehfeld J, Goldstein M, Hökfelt T, Bunney B. Peptide-monoamine coexistence: Studies of the actions of cholecystokinin-like peptide on the electrical activity of midbrain dopamine neurons. Neuroscience 1981, 6: 2111-2124. PMID: 6120481, DOI: 10.1016/0306-4522(81)90002-6.Peer-Reviewed Original ResearchConceptsCholecystokinin-like peptidesVentral tegmental areaDopaminergic neuronsFiring rateSubstantia nigraTegmental areaDopaminergic cellsExtracellular single-unit recording techniquesMidbrain dopamine-containing neuronsSingle-unit recording techniquesDopamine-containing neuronsBrain dopaminergic systemDopamine-rich areasMidbrain dopamine neuronsDepolarization inactivationResponsive neuronsDopamine neuronsDopaminergic systemComparable dosesTyrosine hydroxylaseCholecystokininBursting activityNeuronsImmunocytochemical techniquesRecording techniques
1979
Localization of dopamine-sensitive adenylate cyclase activity within laminae of the rat prefrontal cortex
Krieger N, Bunney B, Greengard P. Localization of dopamine-sensitive adenylate cyclase activity within laminae of the rat prefrontal cortex. Brain Research 1979, 179: 171-175. PMID: 509228, DOI: 10.1016/0006-8993(79)90502-x.Peer-Reviewed Original ResearchDopamine 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 ResearchMeSH KeywordsAction PotentialsAnimalsApomorphineCaudate NucleusDendritesDopamineRatsReceptors, DopamineSubstantia NigraSynaptic MembranesConceptsDopamine autoIntravenous apomorphineDopamine agonistsPostsynaptic receptorsCentral nervous systemSubstantia nigraDopaminergic cellsDifferential sensitivityDopamine cellsDopaminergic influenceCaudate nucleusLarge dosesCaudate cellsNervous systemActive neuronsBehavioral effectsElectrophysiological evidenceApomorphineAgonistsParadoxical behavioural effectsReceptorsDopamineCellsNeuronsDoses
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