MPTP reduces dopamine and norepinephrine concentrations in the supplementary motor area and cingulate cortex of the primate
Elsworth J, Deutch A, Redmond D, Sladek J, Roth R. MPTP reduces dopamine and norepinephrine concentrations in the supplementary motor area and cingulate cortex of the primate. Neuroscience Letters 1990, 114: 316-322. PMID: 2402341, DOI: 10.1016/0304-3940(90)90583-u.Peer-Reviewed Original ResearchConceptsSupplementary motor areaDopamine innervationMotor areaParkinson's diseaseMPTP-induced degenerationStriatal dopamine innervationStriatal dopamine concentrationsAsymptomatic MPTPSymptomatic MPTPConcentration of dopamineNorepinephrine levelsNorepinephrine concentrationsCortical involvementDopaminergic innervationCingulate sulcusCingulate cortexMPTPCortical regionsDopamine concentrationsInnervationDiseaseDopamineBehavioral changesCortexDegenerationMesocortical 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 ResearchConceptsMesoprefrontal 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 dosesRegionally specific alterations in the low-affinity GABAA receptor following perinatal exposure to diazepam
Gruen R, Elsworth J, Roth R. Regionally specific alterations in the low-affinity GABAA receptor following perinatal exposure to diazepam. Brain Research 1990, 514: 151-154. PMID: 2162709, DOI: 10.1016/0006-8993(90)90449-l.Peer-Reviewed Original ResearchConceptsLow-affinity GABAA receptorsPerinatal exposureGABAA receptorsAbility of GABAPerinatal periodAdult ratsBenzodiazepine receptorsCingulate cortexLow affinity formDiazepamSpecific alterationsSignificant decreaseReceptorsSignificant reductionExposureAffinity formAlterationsHypothalamusGABARatsCortex