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 rateAlpha1-antagonist prazosinAlpha2 antagonist idazoxanAlpha-antagonist phenoxybenzamineD2 antagonist racloprideDA cell firingSingle-unit recordingsRelated psychostimulantsAntagonist idazoxanAntagonist phenoxybenzamineDA receptorsAntagonist prazosinAntagonist racloprideExcitatory effectsAlpha1 receptorsDopamine neuronsDopamine releaseCell firingInhibitory effectReceptors
1992
Roles of intracellular cAMP and protein kinase A in the actions of dopamine and neurotensin on midbrain dopamine neurons
Shi W, Bunney B. Roles of intracellular cAMP and protein kinase A in the actions of dopamine and neurotensin on midbrain dopamine neurons. Journal Of Neuroscience 1992, 12: 2433-2438. PMID: 1318960, PMCID: PMC6575923, DOI: 10.1523/jneurosci.12-06-02433.1992.Peer-Reviewed Original ResearchConceptsDopamine-induced inhibitionEffects of neurotensinDopamine neuronsIntracellular cAMPAdenylate cyclaseAction of neurotensinRat midbrain slicesAction of dopamineVentral tegmental areaMidbrain dopamine neuronsIntracellular cAMP levelsMidbrain slicesSubstantia nigraTegmental areaDopamine cellsDopamine effectsSpontaneous activityModulatory effectsNeurotensinIsobutyl methylxanthineInhibitory effectNeuronsCAMP levelsProtein kinase CInhibition
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
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 studiesCholecystokinin
1980
Effects of baclofen on nigral dopaminergic cell activity following acute and chronic haloperidol treatment
Grace A, Bunney B. Effects of baclofen on nigral dopaminergic cell activity following acute and chronic haloperidol treatment. Brain Research Bulletin 1980, 5: 537-543. DOI: 10.1016/0361-9230(80)90087-8.Peer-Reviewed Original ResearchChronic haloperidol treatmentDopaminergic cell activityEffects of baclofenHaloperidol treatmentLow dosesExtracellular single-unit recording techniquesNeuroleptic-induced side effectsRat nigral dopaminergic neuronsCell activitySingle-unit recording techniquesInhibitory effectNigral DA cellsSingle low dosesNigral dopaminergic neuronsTreatment of spasticityAction of baclofenDose-response curveMechanism of actionDepolarization inactivationDopaminergic neuronsHaloperidol pretreatmentDA cellsPossible efficacyNigral inputsBaclofenPeripheral and striatal influences on nigral dopamine cells: Mediation by reticulata neurons
Grace A, Hommer D, Bunney B. Peripheral and striatal influences on nigral dopamine cells: Mediation by reticulata neurons. Brain Research Bulletin 1980, 5: 105-109. DOI: 10.1016/0361-9230(80)90017-9.Peer-Reviewed Original ResearchDA cellsZona reticulataGABA agonistsInhibitory influenceDA cell firing rateDopamine receptor blocker haloperidolStriato-nigral pathwayNigral dopamine cellsCell firing rateReticulata neuronsStriatal influencesSubstantia nigraDopaminergic cellsDopamine cellsNoxious stimuliLow dosesFiring rateNeuronsInhibitory effectAgonistsCell rateCellsHaloperidolMuscimolDoses
1979
The effects of acute and chronic haloperidol treatment on spontaneously firing neurons in the caudate nucleus of the rat
Skirboll L, Bunney B. The effects of acute and chronic haloperidol treatment on spontaneously firing neurons in the caudate nucleus of the rat. Life Sciences 1979, 25: 1419-1433. PMID: 522610, DOI: 10.1016/0024-3205(79)90420-x.Peer-Reviewed Original ResearchConceptsCaudate nucleusIontophoretic dopamineChronic HAL treatmentChronic haloperidol treatmentDifferent treatment regimensEffects of haloperidolDays of treatmentType IDrug terminationPostsynaptic supersensitivityHaloperidol treatmentTardive dyskinesiaTreatment regimensDaily dosesHAL treatmentSingle doseSpontaneous activitySupersensitive responseTreatment groupsType I unitsHaloperidolType II unitsInhibitory effectDopamineActive type I
1976
Dopamine and norepinephrine innervated cells in the rat prefrontal cortex: Pharmacological differentiation using microiontophoretic techniques
Bunney B, Aghajanian G. Dopamine and norepinephrine innervated cells in the rat prefrontal cortex: Pharmacological differentiation using microiontophoretic techniques. Life Sciences 1976, 19: 1783-1792. PMID: 1004134, DOI: 10.1016/0024-3205(76)90087-4.Peer-Reviewed Original ResearchConceptsRat prefrontal cortexMicroiontophoretic techniquesLayer VLayers IIPrefrontal cortexUptake blockersInhibitory effectNE uptake blockerDA receptor blockerCortical layers IIDA uptake blockersReceptor blockersDA inhibitionNoradrenergic projectionsAccumbens nucleusPharmacological differentiationNorepinephrineCell activitySensitivity of cellsHistochemical evidenceBlockersCortexDopamineSensitive cellsSuperficial layers