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 ResearchMeSH KeywordsAnimalsBrain ChemistryCarbolinesClonidineFlumazenilMaleMethoxyhydroxyphenylglycolNeuronsNorepinephrineRatsRats, Inbred StrainsSympathetic Nervous SystemConceptsBrain 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 levelsYohimbine co-treatment during chronic morphine administration attenuates naloxone-precipitated withdrawal without diminishing tail-flick analgesia in rats
Taylor J, Lewis V, Elsworth J, Pivirotto P, Roth R, Redmond D. Yohimbine co-treatment during chronic morphine administration attenuates naloxone-precipitated withdrawal without diminishing tail-flick analgesia in rats. Psychopharmacology 1991, 103: 407-414. PMID: 2057541, DOI: 10.1007/bf02244297.Peer-Reviewed Original ResearchMeSH KeywordsAnalgesicsAnimalsBehavior, AnimalDrug ImplantsMaleMorphineNaloxoneRatsRats, Inbred StrainsReaction TimeSubstance Withdrawal SyndromeYohimbineConceptsChronic morphine administrationTail-flick latencyMorphine treatmentMorphine administrationMorphine withdrawalNoradrenergic activityAlpha 2 antagonist yohimbineAlpha-2 adrenergic receptorsTail-flick analgesiaChronic drug treatmentNaloxone-precipitated withdrawalDose-dependent mannerAdrenergic hyperactivityOpioid administrationOpioid analgesiaFlick latencyNeuronal hyperactivityMorphine pelletsWithdrawal signsAbnormal postureNoradrenergic systemPenile erectionSaline controlsDrug treatmentAnalgesia
1990
3-Acetylpyridine results in degeneration of the extrapyramidal and cerebellar motor systems: loss of the dorsolateral striatal dopamine innervation
Deutsch A, Elsworth J, Roth R, Menek G. 3-Acetylpyridine results in degeneration of the extrapyramidal and cerebellar motor systems: loss of the dorsolateral striatal dopamine innervation. Brain Research 1990, 527: 96-102. PMID: 2126479, DOI: 10.1016/0006-8993(90)91065-o.Peer-Reviewed Original ResearchConceptsCerebellar motor systemsDopamine innervationOlivocerebellar systemStriatal DA depletionStriatal dopamine innervationStriatal DA concentrationsMotor systemSelective inhibitor deprenylAnteromedial prefrontal cortexDeprenyl pretreatmentStriatal sectorsNigrostriatal degenerationDA innervationDA depletionDA levelsVentromedial striatumMAOB activitySensorimotor functionRats resultsNucleus accumbensDorsolateral aspectDorsolateral striatumMAOA activityDegenerationPrefrontal cortexMesocortical 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 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 formAlterationsHypothalamusGABARatsCortexComplex interaction of cocaine with the dopamine uptake carrier
Berger P, Elsworth J, Reith M, Tanen D, Roth R. Complex interaction of cocaine with the dopamine uptake carrier. European Journal Of Pharmacology 1990, 176: 251-252. PMID: 2311671, DOI: 10.1016/0014-2999(90)90540-m.Peer-Reviewed Original ResearchInteraction of [3H]GBR 12935 and GBR 12909 with the dopamine uptake complex in nucleus accumbens
Berger P, Elsworth J, Arroyo J, Roth R. Interaction of [3H]GBR 12935 and GBR 12909 with the dopamine uptake complex in nucleus accumbens. European Journal Of Pharmacology 1990, 177: 91-94. PMID: 1967129, DOI: 10.1016/0014-2999(90)90554-j.Peer-Reviewed Original Research
1988
Clonidine infusions into the locus coeruleus attenuate behavioral and neurochemical changes associated with naloxone-precipitated withdrawal
Taylor J, Elsworth J, Garcia E, Grant S, Roth R, Redmond D. Clonidine infusions into the locus coeruleus attenuate behavioral and neurochemical changes associated with naloxone-precipitated withdrawal. Psychopharmacology 1988, 96: 121-134. PMID: 3147472, DOI: 10.1007/bf02431544.Peer-Reviewed Original ResearchConceptsNaloxone-precipitated withdrawalDorsal parabrachial nucleusAlpha-2 adrenergic receptorsWet dog shakesLocus coeruleusClonidine infusionMHPG concentrationsOpiate withdrawalAlpha-2 adrenergic agonistsAnti-withdrawal actionWithdrawal-induced increasesBlood-brain barrierInfusion of clonidineNucleus locus coeruleusOccurrence of diarrheaClonidine's abilityLC infusionBrain concentrationsNoradrenergic neuronsST-91MHPG levelsPeripheral injectionWithdrawal signsNeurochemical changesParabrachial nucleus
1983
Relative Importance of 3‐Methoxy‐4‐Hydroxyphenylglycol and 3,4‐Dihydroxyphenylglycol as Norepinephrine Metabolites in Rat, Monkey, and Humans
Elsworth J, Roth R, Redmond D. Relative Importance of 3‐Methoxy‐4‐Hydroxyphenylglycol and 3,4‐Dihydroxyphenylglycol as Norepinephrine Metabolites in Rat, Monkey, and Humans. Journal Of Neurochemistry 1983, 41: 786-793. PMID: 6875564, DOI: 10.1111/j.1471-4159.1983.tb04809.x.Peer-Reviewed Original ResearchConceptsBrain MHPGNorepinephrine metabolismDHPG concentrationsRat brainConcentration of MHPGPlasma of primatesMonkey CSFAcute administrationNorepinephrine metabolitePrimate CNSMHPGMonkey brainDihydroxyphenylglycolGas chromatographic-mass spectrometric assayUnconjugated formRatsBrainPiperoxaneSignificant correlationDesipramineHigher proportionHuman plasmaMonkeysMetabolitesMetabolism