1991
Pharmacological characterization of alpha adrenergic receptors in the young and old female rabbit urethra.
Yoshida M, Latifpour J, Nishimoto T, Weiss R. Pharmacological characterization of alpha adrenergic receptors in the young and old female rabbit urethra. Journal Of Pharmacology And Experimental Therapeutics 1991, 257: 1100-1108. PMID: 1675287, DOI: 10.1016/s0022-3565(25)24722-x.Peer-Reviewed Original ResearchConceptsConcentration-response curvesFemale rabbit urethraContractile responseAdrenergic receptorsRabbit urethraAge groupsAlpha-2 adrenergic receptorsED50 valuesEmax valuesConcentration-dependent contractionsMaximum contractile responsePhenylephrine-induced contractionAlpha-adrenergic receptorsAlpha 1B subtypeMuscle bath techniqueYounger age groupsAge-dependent differencesPharmacological characterizationClonidinePharmacological characteristicsOxymetazolinePhenylephrineNorepinephrineFree bufferAlpha 1Yohimbine 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 ResearchConceptsChronic 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
Autonomic receptors in urinary tract: sex and age differences.
Latifpour J, Kondo S, O'Hollaren B, Morita T, Weiss R. Autonomic receptors in urinary tract: sex and age differences. Journal Of Pharmacology And Experimental Therapeutics 1990, 253: 661-667. PMID: 2338651, DOI: 10.1016/s0022-3565(25)13030-9.Peer-Reviewed Original ResearchConceptsAlpha-2 adrenergic receptorsBladder domeBladder baseBeta-adrenergic receptorsAdrenergic receptorsCholinergic receptorsMuscarinic receptorsUrinary tractAlpha-2 adrenergic receptor densityLower urinary tract smooth muscleUrinary tract smooth muscleRabbit bladder baseAlpha 2A subtypeMuscarinic cholinergic receptorsAdrenergic receptor densityLower urinary tractSelective adrenergic agonistsAdult rat cortexNeonatal rat lungBeta-2 adrenergic receptorsAutonomic receptorsAge-related differencesRat cortexAdrenergic agonistsMale urethra
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
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