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
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