2019
Variability in nicotine conditioned place preference and stress‐induced reinstatement in mice: Effects of sex, initial chamber preference, and guanfacine
Lee AM, Calarco CA, McKee SA, Mineur YS, Picciotto MR. Variability in nicotine conditioned place preference and stress‐induced reinstatement in mice: Effects of sex, initial chamber preference, and guanfacine. Genes Brain & Behavior 2019, 19: e12601. PMID: 31364813, PMCID: PMC8045136, DOI: 10.1111/gbb.12601.Peer-Reviewed Original ResearchConceptsStress-induced reinstatementEffects of guanfacinePlace preferenceFemale miceInfralimbic cortexArc immunoreactivityΑ2-adrenergic receptor agonistAnterior insulaNeurobiological mechanismsLateral central amygdalaNovel treatment optionsChamber preferencePlace preference acquisitionSex-dependent changesStress-induced relapseDose-response patternNucleus accumbens coreNicotine-dependent behaviorsSmoking occursTreatment optionsNicotine rewardReceptor agonistCentral amygdalaNeuronal activationPreclinical studies
2016
Guanfacine alters the effect of stress and smoking on heart rate variability in regular daily smokers
Verplaetse TL, Smith PH, Smith KM, Oberleitner LM, McKee SA. Guanfacine alters the effect of stress and smoking on heart rate variability in regular daily smokers. Psychopharmacology 2016, 234: 805-813. PMID: 28028603, PMCID: PMC5309140, DOI: 10.1007/s00213-016-4517-1.Peer-Reviewed Original ResearchConceptsHeart rate variabilityRegular daily smokersEffects of guanfacineSmoking lapse behaviorHF-HRVPlacebo groupDaily smokersRate variabilitySmoking-related decreaseΑ2A-adrenergic agonistAd libitum smokingAd lib smokingHigh-frequency heart rate variabilityEffects of stressStress imageryNoradrenergic targetsVagal activityParent studySmokingGuanfacineTonic levelsPhasic changesNeutral imagery conditionsPotential mechanismsImportant marker
2015
Antidepressant-like effects of guanfacine and sex-specific differences in effects on c-fos immunoreactivity and paired-pulse ratio in male and female mice
Mineur YS, Bentham MP, Zhou WL, Plantenga ME, McKee SA, Picciotto MR. Antidepressant-like effects of guanfacine and sex-specific differences in effects on c-fos immunoreactivity and paired-pulse ratio in male and female mice. Psychopharmacology 2015, 232: 3539-3549. PMID: 26146014, PMCID: PMC4561580, DOI: 10.1007/s00213-015-4001-3.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsPaired-pulse ratioC-Fos immunoreactivityPrefrontal cortexSwim testBrain areasRobust antidepressant-like effectsBrain regionsSex differencesMale C57BL/6J miceDepression-like behaviorEffects of guanfacineAcetylcholinesterase inhibitor physostigmineLight/dark boxBaseline sex differencesC-fos expressionDepression-like stateCritical brain regionsDifferent brain areasSex-specific changesAntidepressant efficacyCholinergic controlInhibitor physostigmineC57BL/6J miceAgonist guanfacine