2001
Prenatal cocaine exposure increases mesoprefrontal dopamine neuron responsivity to mild stress
Elsworth J, Morrow B, Roth R. Prenatal cocaine exposure increases mesoprefrontal dopamine neuron responsivity to mild stress. Synapse 2001, 42: 80-83. PMID: 11574943, DOI: 10.1002/syn.1102.Peer-Reviewed Original ResearchConceptsPrenatal cocaine exposurePrefrontal cortexCocaine exposureShort-term memory deficitsVentromedial prefrontal cortexShort-term memoryMedial prefrontal cortexDopamine neuronsAdolescent ratsCognitive deficitsMemory deficitsMesoprefrontal dopamine systemPrenatal cocaineMild footshock stressDopamine systemDeficitsFootshock stressNeurobehavioral deficitsDopamine turnoverIntravenous modelRodent modelsBehavioral abnormalitiesFetal developmentMild stressCortexNicotine Receptor Inactivation Decreases Sensitivity to Cocaine
Zachariou V, Caldarone B, Weathers-Lowin A, George T, Elsworth J, Roth R, Changeux J, Picciotto M. Nicotine Receptor Inactivation Decreases Sensitivity to Cocaine. Neuropsychopharmacology 2001, 24: 576-589. PMID: 11282258, DOI: 10.1016/s0893-133x(00)00224-4.Peer-Reviewed Original ResearchConceptsPlace preferenceDA turnoverLow doseHigh-affinity nicotinic acetylcholine receptorsMesolimbic DA systemHigh-affinity nAChRsNicotinic antagonist mecamylamineWild-type miceMesolimbic dopamine systemFos-related antigensProperties of nicotineCocaine place preferenceΒ2 subunitNicotinic acetylcholine receptorsAntagonist mecamylamineDA releaseMetabolite DOPACNeurochemical changesSubthreshold doseType miceDopamine systemPsychomotor stimulantsAcetylcholine receptorsHigh dosesBrain regions
1996
Blockade of FG 7142‐Induced Increased Dopamine Utilization by the Glycine/NMDA Receptor Antagonist (+)‐HA 966
Horger B, Elsworth J, Roth R. Blockade of FG 7142‐Induced Increased Dopamine Utilization by the Glycine/NMDA Receptor Antagonist (+)‐HA 966. Journal Of Neurochemistry 1996, 66: 1959-1962. PMID: 8780023, DOI: 10.1046/j.1471-4159.1996.66051959.x.Peer-Reviewed Original ResearchConceptsDopamine utilizationFG 7142Medial prefrontal cortexNucleus accumbensPrefrontal cortexReceptor antagonistHA-966Shell subdivisionReceptor influencesBenzodiazepine inverse agonist FG 7142Male Sprague-Dawley ratsMedia prefrontal cortexMesoaccumbal dopamine neuronsGlycine/NMDA receptor antagonistGlycine receptor antagonistSaline 15 minNMDA receptor antagonistSprague-Dawley ratsDopamine neuronsVehicle administrationSystemic administrationDihydroxyphenylacetic acidAccumbensMajor metaboliteTissue concentrationsTyrosine enhances behavioral and mesocorticolimbic dopaminergic responses to aversive conditioning
Morrow B, Elsworth J, Roth R. Tyrosine enhances behavioral and mesocorticolimbic dopaminergic responses to aversive conditioning. Synapse 1996, 22: 100-105. PMID: 8787125, DOI: 10.1002/(sici)1098-2396(199602)22:2<100::aid-syn2>3.0.co;2-h.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnimalsBehavior, AnimalConditioning, PsychologicalDopamineMaleNucleus AccumbensPrefrontal CortexRatsRats, Sprague-DawleyTyrosineConceptsMedial prefrontal cortexDopamine metabolismNucleus accumbensNonconditioned controlsPrefrontal cortexDopamine utilizationAdministration of haloperidolExogenous tyrosineBiosynthesis of catecholaminesDopaminergic responseDietary tyrosineRelevant doseAccumbensRatsTyrosine hydroxylationCortexGreater elevationNonconditioned ratsB-carbolineSaline/Test dayMetabolismBehavioral consequencesAversive conditioningTone
1995
Selective Increase in Dopamine Utilization in the Shell Subdivision of the Nucleus Accumbens by the Benzodiazepine Inverse Agonist FG 7142
Horger B, Elsworth J, Roth R. Selective Increase in Dopamine Utilization in the Shell Subdivision of the Nucleus Accumbens by the Benzodiazepine Inverse Agonist FG 7142. Journal Of Neurochemistry 1995, 65: 770-774. PMID: 7616234, DOI: 10.1046/j.1471-4159.1995.65020770.x.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnimalsCarbolinesDopamineGABA-A Receptor AgonistsMaleNucleus AccumbensPrefrontal CortexRatsRats, Sprague-DawleyTissue DistributionConceptsBenzodiazepine inverse agonist FG 7142Dopamine utilizationFG 7142Nucleus accumbensShell subdivisionWhole nucleus accumbensVivo microdialysis studyRats 30 minMedial prefrontal cortexMicrodialysis studyDopamine metabolismDopamine releaseDihydroxyphenylacetic acidAccumbensBrain regionsPrefrontal cortexSelective increaseMajor metaboliteTissue concentrationsPrevious reportsAdministration
1990
Mesocortical dopamine neurons: High basal firing frequency predicts tyrosine dependence of dopamine synthesis
Tam S, Elsworth J, Bradberry C, Roth R. Mesocortical dopamine neurons: High basal firing frequency predicts tyrosine dependence of dopamine synthesis. Journal Of Neural Transmission 1990, 81: 97-110. PMID: 2363911, DOI: 10.1007/bf01245830.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnimalsCerebral CortexDopamineHomovanillic AcidInjections, IntraperitonealMaleRatsRats, Inbred StrainsTyrosineValineConceptsMesoprefrontal DA neuronsDA neuronsTyrosine administrationDA levelsCingulate cortexPrefrontal cortexTyrosine hydroxylationAnxiogenic β-carbolineDA metabolite levelsDA terminal fieldsEndogenous DA levelsMesocortical DA neuronsMesocortical dopamine neuronsVivo tyrosine hydroxylationMidbrain DA neuronsTyrosine hydroxylase activityTransmitter outflowDA metabolitesDA synthesisDopamine neuronsFG 7142Dopamine synthesisTerminal fieldsTyrosine availabilityHigh doses
1987
Effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) on catecholamines and metabolites in primate brain and CSF
Elsworth J, Deutch A, Redmond D, Sladek J, Roth R. Effects of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) on catecholamines and metabolites in primate brain and CSF. Brain Research 1987, 415: 293-299. PMID: 3496938, DOI: 10.1016/0006-8993(87)90211-3.Peer-Reviewed Original ResearchConceptsHVA/dopamineVentral tegmental areaMPTP treatmentHomovanillic acidTegmental areaDorsal ventral tegmental areaMesolimbic DA systemCSF homovanillic acidAfrican green monkeysHVA concentrationsNigrostriatal damageMesolimbic systemTetrahydropyridine (MPTP) administrationDA lossNE concentrationCaudate nucleusNucleus accumbensParkinson's diseaseStriatal regionsPrimate brainBaseline levelsVentral partMotor disabilityMPTPGreen monkeysDifferential responsiveness to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine toxicity in sub-regions of the primate substantia nigra and striatum
Elsworth J, Deutch A, Redmond D, Sladek J, Roth R. Differential responsiveness to 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine toxicity in sub-regions of the primate substantia nigra and striatum. Life Sciences 1987, 40: 193-202. PMID: 3491946, DOI: 10.1016/0024-3205(87)90359-6.Peer-Reviewed Original ResearchConceptsSubstantia nigraParkinsonian disabilityDA neuronsSymptomatic animalsMedial regionAsymptomatic animalsHVA/DA ratioLateral regionsDA concentrationPrimate substantia nigraDA histofluorescenceNigrostriatal pathwayTetrahydropyridine (MPTP) toxicityDopaminergic neuronsContralateral halfDA ratioDopaminergic cellsLipofuscin fluorescenceCell bodiesStriatumIndividual neuronsNeuronsDifferential responsivenessMarked lossDopamine