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 levels
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
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 monkeys
1983
Panic-Induced Elevation of Plasma MHPG Levels in Phobic-Anxious Patients: Effects of Clonidine and Imipramine
Ko G, Elsworth J, Roth R, Rifkin B, Leigh H, Redmond D. Panic-Induced Elevation of Plasma MHPG Levels in Phobic-Anxious Patients: Effects of Clonidine and Imipramine. JAMA Psychiatry 1983, 40: 425-430. PMID: 6838322, DOI: 10.1001/archpsyc.1983.01790040079011.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxiety DisordersClonidineDouble-Blind MethodFearFemaleGlycolsHumansImipramineMaleMethoxyhydroxyphenylglycolNorepinephrinePanicPersonality InventoryPhobic DisordersSyndromeConceptsPlasma MHPG levelsMHPG levelsEffects of clonidineSignificant symptom reductionPlasma MHPG concentrationSelf-rated anxietyPlacebo treatmentCrossover trialMHPG concentrationsPlasma levelsNoradrenergic activityDrug treatmentDrug trialsSymptom reductionDiminished suppressionPanic attacksPanic symptomsImipramine hydrochlorideClonidinePatientsPhobic stimuliImipramineTrialsAnxietyTreatmentRelative 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
1982
Brain catecholamine metabolites and behavior in morphine withdrawal
Swann A, Elsworth J, Charney D, Jablons D, Roth R, Redmond D, Maas J. Brain catecholamine metabolites and behavior in morphine withdrawal. European Journal Of Pharmacology 1982, 86: 167-175. PMID: 6297931, DOI: 10.1016/0014-2999(82)90314-4.Peer-Reviewed Original ResearchConceptsCatecholamine metabolitesMorphine withdrawal behaviorsBeta-receptor bindingWithdrawal behaviorDebrisoquin sulfateAcute treatmentMorphine withdrawalNorepinephrine metaboliteMorphine pelletsWithdrawal signsPlasma levelsBrain 3Noradrenergic hyperactivityReceptor bindingMHPGBrainMetabolitesNaloxoneHVARatsHyperactivityClonidine suppression of noradrenergic hyperactivity during morphine withdrawal by clonidine: biochemical studies in rodents and primates.
Roth R, Elsworth J, Redmond D. Clonidine suppression of noradrenergic hyperactivity during morphine withdrawal by clonidine: biochemical studies in rodents and primates. The Journal Of Clinical Psychiatry 1982, 43: 42-6. PMID: 6806253.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainClonidineDose-Response Relationship, DrugHaplorhiniHumansMethoxyhydroxyphenylglycolMorphine DependenceNaloxoneNeuronsNorepinephrineRatsSubstance Withdrawal SyndromeConceptsBrain levelsMHPG accumulationNE turnoverNE neuronsLocus coeruleusNaloxone-insensitive mechanismAdministration of naloxoneMorphine-dependent animalsNE systemDose-dependent degreeNon-human primatesNE metabolismMorphine withdrawalOpiate withdrawalClonidine suppressionImpulse flowNoradrenergic hyperactivityClinical studiesCSF measuresControl monkeysClonidineElectrophysiological studiesMHPGBiochemical measuresPilot dataPlasma and cerebrospinal fluid 3-methoxy-4-hydroxyphenylethylene glycol (MHPG) as indices of brain norepinephrine metabolism in primates
Elsworth J, Redmond D, Roth R. Plasma and cerebrospinal fluid 3-methoxy-4-hydroxyphenylethylene glycol (MHPG) as indices of brain norepinephrine metabolism in primates. Brain Research 1982, 235: 115-124. PMID: 7188317, DOI: 10.1016/0006-8993(82)90200-1.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainBrain ChemistryChlorocebus aethiopsClonidineDrug InteractionsGlycolsMethoxyhydroxyphenylglycolMorphineNaloxoneNorepinephrinePiperoxanConceptsConcentration of MHPGBrain areasNorepinephrine metabolismMHPG concentrationsCisternal CSFBrain norepinephrine metabolismFree MHPG concentrationsCentral noradrenergic activityNoradrenergic activityOccipital cortexFree MHPGMHPGBrain regionsCSFSignificant correlationUseful indexVervet monkeysMetabolismPlasmaCortex