2016
CHRNA4 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
2014
Rare Human Nicotinic Acetylcholine Receptor α4 Subunit (CHRNA4) Variants Affect Expression and Function of High-Affinity Nicotinic Acetylcholine Receptors
McClure-Begley TD, Papke RL, Stone KL, Stokes C, Levy AD, Gelernter J, Xie P, Lindstrom J, Picciotto MR. Rare Human Nicotinic Acetylcholine Receptor α4 Subunit (CHRNA4) Variants Affect Expression and Function of High-Affinity Nicotinic Acetylcholine Receptors. Journal Of Pharmacology And Experimental Therapeutics 2014, 348: 410-420. PMID: 24385388, PMCID: PMC3935145, DOI: 10.1124/jpet.113.209767.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptorsRare variantsSingle amino acid substitutionLaevis oocytesAmino acid substitutionsΑ4β2 nAChRsAcetylcholine receptorsIntracellular interactomesHEK-293 cellsX. laevis oocytesProteomic analysisGenetic variationHuman α4β2 nAChRsXenopus laevis oocytesVoltage-clamp electrophysiologyNeuronal nicotinic acetylcholine receptorsHigh-affinity nicotinic acetylcholine receptorsSubcellular distributionAcid substitutionsΑ4 nAChR subunitCohort of smokersEffects of nicotineNAChR subunitsCommon variantsΑ4 nAChR