2022
Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort
Nagamatsu S, Pietrzak R, Xu K, Krystal J, Gelernter J, Montalvo‐Ortiz J. Dissecting the epigenomic differences between smoking and nicotine dependence in a veteran cohort. Addiction Biology 2022, 28: e13259. PMID: 36577721, DOI: 10.1111/adb.13259.Peer-Reviewed Original ResearchConceptsSmoking statusNicotine dependenceVeteran cohortNon-current smokersSerious public health issueNovel treatment strategiesPublic health issueUS military veteransEpigenome-wide association studiesCurrent smokersTreatment strategiesFagerström TestNicotine addictionSmokingHealth issuesRole of epigeneticsMilitary veteransMethylationEPIC BeadChip arraySmokersContinuous variablesF2RL3 geneCohortBiomarkersBeadChip arrayPrevious findings
2018
Genome-wide association study identifies glutamate ionotropic receptor GRIA4 as a risk gene for comorbid nicotine dependence and major depression
Zhou H, Cheng Z, Bass N, Krystal JH, Farrer LA, Kranzler HR, Gelernter J. Genome-wide association study identifies glutamate ionotropic receptor GRIA4 as a risk gene for comorbid nicotine dependence and major depression. Translational Psychiatry 2018, 8: 208. PMID: 30287806, PMCID: PMC6172277, DOI: 10.1038/s41398-018-0258-8.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesGenome-wide association study identifiesRisk genesTop risk genesCalcium ion bindingGenomes reference panelFast excitatory synaptic transmissionGenetic risk variantsGenetic basisEnrichment analysisAssociation studiesExome arrayCell adhesionRisk variantsGenesReference panelGenetic riskAMPA-sensitive glutamate receptorsIntronic variantsIon bindingBiological mechanismsConditional analysisGRIA4Excitatory synaptic transmissionSynaptic transmission
2012
Genome‐Wide Significant Association Signals in IPO11‐HTR1A Region Specific for Alcohol and Nicotine Codependence
Zuo L, Zhang X, Wang F, Li C, Lu L, Ye L, Zhang H, Krystal JH, Deng H, Luo X. Genome‐Wide Significant Association Signals in IPO11‐HTR1A Region Specific for Alcohol and Nicotine Codependence. Alcohol Clinical And Experimental Research 2012, 37: 730-739. PMID: 23216389, PMCID: PMC3610804, DOI: 10.1111/acer.12032.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcoholismBeta KaryopherinsBlack or African AmericanCase-Control StudiesChromosomes, Human, Pair 5FemaleGenetic Predisposition to DiseaseGenome-Wide Association StudyGenotypeHumansMaleMiddle AgedPolymorphism, Single NucleotideQuantitative Trait LociReceptor, Serotonin, 5-HT1ATobacco Use DisorderWhite PeopleConceptsGenome-wide significance levelSingle nucleotide polymorphismsReplication cohortDiscovery cohortAlcohol dependenceExpression quantitative loci (eQTL) analysisPeripheral blood mononuclear cell samplesNeuropsychiatric disordersWide significant association signalsMononuclear cell samplesGenome-wide association studiesQuantitative loci analysisGene-disease association analysisCis-eQTL analysisTop single nucleotide polymorphismsCis-acting regulatory effectsSignificant association signalsBrain tissue samplesAmerican controlsEuropean American controlsRisk single nucleotide polymorphismsAfrican-American controlsSevere subtypeGenomic regionsAfrican American casesGenome‐wide search for replicable risk gene regions in alcohol and nicotine co‐dependence
Zuo L, Zhang F, Zhang H, Zhang X, Wang F, Li C, Lu L, Hong J, Lu L, Krystal J, Deng H, Luo X. Genome‐wide search for replicable risk gene regions in alcohol and nicotine co‐dependence. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2012, 159B: 437-444. PMID: 22488850, PMCID: PMC3405545, DOI: 10.1002/ajmg.b.32047.Peer-Reviewed Original ResearchConceptsChromosome 3Genome-wide false discovery rateGene regionFalse discovery rateGenome-wide association analysisExpression quantitative trait loci (eQTL) analysisQuantitative trait locus (QTL) analysisRisk SNPsTranscript expressionGenome-wide association strategyGenome-wide searchCombined P valueSNP-disease associationsAssociation peakGenomic regionsEQTL analysisEuropean American casesCausal lociLocus analysisGene expressionAssociation analysisGenesSNPsRegulatory effectsDiscovery rate
2011
Rare Nonsynonymous Variants in Alpha-4 Nicotinic Acetylcholine Receptor Gene Protect Against Nicotine Dependence
Xie P, Kranzler HR, Krauthammer M, Cosgrove KP, Oslin D, Anton RF, Farrer LA, Picciotto MR, Krystal JH, Zhao H, Gelernter J. Rare Nonsynonymous Variants in Alpha-4 Nicotinic Acetylcholine Receptor Gene Protect Against Nicotine Dependence. Biological Psychiatry 2011, 70: 528-536. PMID: 21683344, PMCID: PMC3199609, DOI: 10.1016/j.biopsych.2011.04.017.Peer-Reviewed Original Research