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
1991
Effects of neurotensin on midbrain dopamine neurons: Are they mediated by formation of a neurotensin—dopamine complex?
Shi W, Bunney B. Effects of neurotensin on midbrain dopamine neurons: Are they mediated by formation of a neurotensin—dopamine complex? Synapse 1991, 9: 157-164. PMID: 1776128, DOI: 10.1002/syn.890090302.Peer-Reviewed Original ResearchConceptsEffects of neurotensinNeurotensin receptorsDopamine neuronsDopamine cellsCell activitySingle-unit recording techniquesFiring rateMidbrain dopamine neuron activityAction of neurotensinBasal firing rateDopamine receptor blockadeDopamine-induced inhibitionDopamine neuron activityMidbrain dopamine neuronsReceptor blockadeDepolarization inactivationExcitatory effectsNative neurotensinBrain slicesNeuron activityNeurotensinNeurotensin analoguesSame receptorRecording techniquesReceptors
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 cortexC-terminal octapeptideCCK antagonistsDA cellsSubstance PAPO effectsCortical neuronsDopamine cellsIntravenous administrationSelective antagonistRat CNSProglumideElectrophysiological studiesCholecystokinin
1985
Low 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 control of firing pattern in nigral dopamine neurons: burst firing
Grace A, Bunney B. The control of firing pattern in nigral dopamine neurons: burst firing. Journal Of Neuroscience 1984, 4: 2877-2890. PMID: 6150071, PMCID: PMC6564720, DOI: 10.1523/jneurosci.04-11-02877.1984.Peer-Reviewed Original ResearchConceptsDA cellsIntracellular injectionBase-line firing rateFiring ratePotassium conductanceIntracellular calcium injectionNigral dopamine neuronsStriatal DA releaseVivo intracellular recordingsBurst-firing modeDegree of burstDA releaseDopamine neuronsExtracellular iontophoresisBurst firingIntracellular recordingsCalcium injectionDopamine cellsCalcium influxCalcium involvementBursting patternInjectionCellsConsecutive spikesBlockadeEvidence 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 ResearchConceptsSpikes/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
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
1980
Peripheral 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
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