2023
Threshold for the Pleasurable Effects of Nicotine Are Lower Than Its Reinforcing Effects During Self-Administration
MacLean RR, Eid T, Parida S, Gueorguieva R, DeVito EE, Sofuoglu M. Threshold for the Pleasurable Effects of Nicotine Are Lower Than Its Reinforcing Effects During Self-Administration. Experimental And Clinical Psychopharmacology 2023, 31: 37-45. PMID: 35254839, PMCID: PMC9448824, DOI: 10.1037/pha0000556.Peer-Reviewed Original ResearchConceptsNicotine metabolite ratioDose of nicotineNicotine reinforcementSubjective effectsDiscriminative stimulus effectsHeart rate increaseDoses of nicotineSelf-administration procedureSubjective positive effectsDaily smokersBaseline cravingIntravenous nicotineOvernight abstinenceCigarette cravingDrug effectsMetabolite ratiosStimulus effectsSecondary analysisPlaceboSelf-AdministrationNicotine choiceTobacco productsNicotinePleasurable effectsYoung adults
2015
A CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans
Jensen KP, DeVito EE, Herman AI, Valentine GW, Gelernter J, Sofuoglu M. A CHRNA5 Smoking Risk Variant Decreases the Aversive Effects of Nicotine in Humans. Neuropsychopharmacology 2015, 40: 2813-2821. PMID: 25948103, PMCID: PMC4864657, DOI: 10.1038/npp.2015.131.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureCognition DisordersCotinineFemaleGenome-Wide Association StudyHeart RateHumansMaleMiddle AgedNerve Tissue ProteinsNeuropsychological TestsNicotineNicotinic AgonistsPolymorphism, Single NucleotideReceptors, NicotinicSmokingSubstance Withdrawal SyndromeSurveys and QuestionnairesConceptsAversive effectsHeavy smokingRisk allelesSmoking-related disordersAfrican American smokersCHRNA5-CHRNA3Doses of nicotineHigh nicotine doseNicotine administrationIntravenous doseNicotine effectsNicotine doseAmerican smokersWithdrawal severityOvernight abstinenceAcute responseAA subjectsCardiovascular reactivityCHRNB4 gene clusterNicotineEuropean AmericansAversive responsesAdministration sessionsSmokingCognitive performance
2013
Nicotine Levels After IV Nicotine and Cigarette Smoking in Men
Mello NK, Peltier MR, Duncanson H. Nicotine Levels After IV Nicotine and Cigarette Smoking in Men. Experimental And Clinical Psychopharmacology 2013, 21: 188-195. PMID: 23647094, PMCID: PMC9086919, DOI: 10.1037/a0031799.Peer-Reviewed Original ResearchConceptsHigh-nicotine cigarettesCigarette smokingNicotine levelsPeak levelsTime courseNicotine-dependent menVisual analog scale ratingsPlasma nicotine levelsLow nicotine cigarettesDoses of nicotinePharmacokinetics of nicotineSimilar time courseNicotine administrationNicotine dosePlasma nicotineVAS ratingsSmokingNicotineSubjective effectsMore hrCigarettesDosesScale ratingsSubjective reportsDoseCOMT Val158Met modulates subjective responses to intravenous nicotine and cognitive performance in abstinent smokers
Herman AI, Jatlow PI, Gelernter J, Listman JB, Sofuoglu M. COMT Val158Met modulates subjective responses to intravenous nicotine and cognitive performance in abstinent smokers. The Pharmacogenomics Journal 2013, 13: 490-497. PMID: 23459442, PMCID: PMC3675163, DOI: 10.1038/tpj.2013.1.Peer-Reviewed Original ResearchConceptsVal/Val genotypeAbstinent smokersVal genotypeGreater systolic blood pressureOvernight abstinent smokersVal158Met polymorphismSystolic blood pressureDoses of nicotineCatechol-O-methyltransferase (COMT) Val158Met polymorphismVal/ValEuropean American smokersNegative subjective effectsCOMT Val158Met polymorphismBlood pressureSmoking cessationAA smokersRisk factorsAmerican smokersIntravenous nicotineWithdrawal severityOvernight abstinenceSmokersNicotine addictionNicotine useSubjective effects
2010
Brain β2*-nicotinic acetylcholine receptor occupancy after use of a nicotine inhaler
Esterlis I, Mitsis EM, Batis JC, Bois F, Picciotto MR, Stiklus SM, Kloczynski T, Perry E, Seibyl JP, McKee S, Staley JK, Cosgrove KP. Brain β2*-nicotinic acetylcholine receptor occupancy after use of a nicotine inhaler. The International Journal Of Neuropsychopharmacology 2010, 14: 389-398. PMID: 21029513, PMCID: PMC3510008, DOI: 10.1017/s1461145710001227.Peer-Reviewed Original ResearchConceptsNicotine inhalerWithdrawal symptomsReceptor occupancyTobacco smokingLow nicotine cigarettesAdministration of nicotineHigh receptor occupancyDoses of nicotineNicotinic acetylcholine receptorsInhaler useTobacco smokersBaseline scanRegular cigarettesInhalerConstant infusionAcetylcholine receptorsSPECT studiesCigarettesSymptomsBeta 2Significant decreaseNicotineSignificant differencesSmokingNAChRs
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