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 concentrations
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 ResearchConceptsBenzodiazepine 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
1991
Anxiogenic β-carboline FG 7142 produces activation of noradrenergic neurons in specific brain regions of rats
Ida Y, Elsworth J, Roth R. Anxiogenic β-carboline FG 7142 produces activation of noradrenergic neurons in specific brain regions of rats. Pharmacology Biochemistry And Behavior 1991, 39: 791-793. PMID: 1784607, DOI: 10.1016/0091-3057(91)90166-y.Peer-Reviewed Original ResearchConceptsBrain noradrenergic activityFG 7142Specific brain regionsCerebral cortexNoradrenergic activityΒ-carboline FG 7142Brain regionsBeta-carboline FG 7142Rat brain noradrenalineBrain noradrenergic systemAntagonist Ro 15Brain noradrenalineAgonist clonidineNoradrenergic neuronsBZD receptorsMHPG levelsRo 15Sixty minNoradrenergic systemSame doseBenzodiazepine receptorsInverse agonistDihydroxyphenylglycolMajor metaboliteMetabolite levels
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 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 doses