A protocadherin gene cluster regulatory variant is associated with nicotine withdrawal and the urge to smoke
Jensen KP, Smith AH, Herman AI, Farrer LA, Kranzler HR, Sofuoglu M, Gelernter J. A protocadherin gene cluster regulatory variant is associated with nicotine withdrawal and the urge to smoke. Molecular Psychiatry 2016, 22: 242-249. PMID: 27067016, PMCID: PMC5390815, DOI: 10.1038/mp.2016.43.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlack or African AmericanCadherinsDiagnostic and Statistical Manual of Mental DisordersFemaleGene Expression RegulationGenome-Wide Association StudyHumansMaleMultigene FamilyNicotinePolymorphism, Single NucleotideProtocadherinsRecurrenceSmokingSmoking CessationSubstance Withdrawal SyndromeTobacco Use DisorderWhite PeopleConceptsNicotine withdrawalSingle nucleotide polymorphismsNovel smoking cessation treatmentsAfrican AmericansSmoking cessation treatmentNicotine withdrawal symptomsOvernight smoking abstinenceEuropean American smokersFrontal cortex tissueΓ geneCessation treatmentTobacco smokingSmoking abstinenceWithdrawal symptomsAbstinent smokersAmerican smokersΓ gene expressionNicotine infusionSmoking urgesInfusion studiesSmokersMRNA expressionRisk allelesCortex tissueBrief questionnaireCHRNA4 and ANKK1 Polymorphisms Influence Smoking-Induced Nicotinic Acetylcholine Receptor Upregulation
Esterlis I, Hillmer AT, Bois F, Pittman B, McGovern E, O’Malley S, Picciotto MR, Yang BZ, Gelernter J, Cosgrove KP. CHRNA4 and ANKK1 Polymorphisms Influence Smoking-Induced Nicotinic Acetylcholine Receptor Upregulation. Nicotine & Tobacco Research 2016, 18: 1845-1852. PMID: 27611310, PMCID: PMC4978979, DOI: 10.1093/ntr/ntw081.Peer-Reviewed Original ResearchMeSH KeywordsAdultCase-Control StudiesCorpus StriatumFemaleHumansIodine RadioisotopesMalePolymorphism, Single NucleotideProtein Serine-Threonine KinasesReceptors, NicotinicSmokingSmoking CessationSmoking PreventionTobacco Use DisorderTomography, Emission-Computed, Single-PhotonUp-RegulationWhite PeopleConceptsSmoking-induced changesWeeks of abstinenceNAChR availabilitySmoking cessationNicotine dependenceSex-matched nonsmokersTomography brain scanSingle nucleotide polymorphismsNicotinic acetylcholine receptorsSingle photon emissionDays of abstinenceNonsmoker levelsTobacco smokingReceptor upregulationBlood samplesAcetylcholine receptorsBrain scansCHRNA4 variantsCortical regionsSmokersCarrier statusExtended abstinenceAbstinencePersonalized programsNonsmokers