2017
Genome-wide association study across European and African American ancestries identifies a SNP in DNMT3B contributing to nicotine dependence
Hancock DB, Guo Y, Reginsson GW, Gaddis NC, Lutz SM, Sherva R, Loukola A, Minica CC, Markunas CA, Han Y, Young KA, Gudbjartsson DF, Gu F, McNeil DW, Qaiser B, Glasheen C, Olson S, Landi MT, Madden PAF, Farrer LA, Vink J, Saccone NL, Neale MC, Kranzler HR, McKay J, Hung RJ, Amos CI, Marazita ML, Boomsma DI, Baker TB, Gelernter J, Kaprio J, Caporaso NE, Thorgeirsson TE, Hokanson JE, Bierut LJ, Stefansson K, Johnson EO. Genome-wide association study across European and African American ancestries identifies a SNP in DNMT3B contributing to nicotine dependence. Molecular Psychiatry 2017, 23: 1911-1919. PMID: 28972577, PMCID: PMC5882602, DOI: 10.1038/mp.2017.193.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesAssociation studiesGenotype-Tissue Expression (GTEx) projectDNA methyltransferase genesAcetylcholine receptor genesNicotine dependenceMethyltransferase geneExpression projectCHRNB4 genesHeritable traitAdditional lociProxy phenotypeSequence variantsDNMT3B expressionGenesReceptor geneSquamous cell lung carcinomaCHRNA5-CHRNA3African American ancestryNovel associationsInternational Lung Cancer ConsortiumCell lung carcinomaLociAmerican ancestryAdult cerebellumGenetic–epigenetic interactions in cis: a major focus in the post-GWAS era
Do C, Shearer A, Suzuki M, Terry MB, Gelernter J, Greally JM, Tycko B. Genetic–epigenetic interactions in cis: a major focus in the post-GWAS era. Genome Biology 2017, 18: 120. PMID: 28629478, PMCID: PMC5477265, DOI: 10.1186/s13059-017-1250-y.Peer-Reviewed Original ResearchConceptsMethylation quantitative trait lociCCCTC-binding factorEpigenome-wide association studiesGenetic-epigenetic interactionsAllele-specific DNA methylationSequence variantsPost-GWAS eraQuantitative trait lociRegulatory sequence variantsGWAS signalsTrait lociDNA methylationTranscription factorsTranscriptional pathwaysAssociation studiesNon-genetic effectsStudy eraMajor focusMethylationLociVariantsCommon diseaseSitesNeuropsychiatric disordersPathway
2014
Identification of methylation quantitative trait loci (mQTLs) influencing promoter DNA methylation of alcohol dependence risk genes
Zhang H, Wang F, Kranzler HR, Yang C, Xu H, Wang Z, Zhao H, Gelernter J. Identification of methylation quantitative trait loci (mQTLs) influencing promoter DNA methylation of alcohol dependence risk genes. Human Genetics 2014, 133: 1093-1104. PMID: 24889829, PMCID: PMC4127343, DOI: 10.1007/s00439-014-1452-2.Peer-Reviewed Original ResearchConceptsMethylation quantitative trait lociQuantitative trait lociDNA methylationTrait lociSignificant methylation quantitative trait lociSequence variantsRisk genesGene expression regulationGenome-wide association studiesGenome-wide genotype dataPromoter DNA methylationAD risk genesGene promoter regionExpression QTLsExpression regulationGenetic variationPromoter CpGsPromoter region
2006
Mutation screen of the GAD2 gene and association study of alcoholism in three populations
Lappalainen J, Krupitsky E, Kranzler HR, Luo X, Remizov M, Pchelina S, Taraskina A, Zvartau E, Räsanen P, Makikyro T, Somberg LK, Krystal JH, Stein MB, Gelernter J. Mutation screen of the GAD2 gene and association study of alcoholism in three populations. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2006, 144B: 183-192. PMID: 17034009, DOI: 10.1002/ajmg.b.30377.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcoholismBlack or African AmericanCase-Control StudiesDNA Mutational AnalysisExonsFemaleGene FrequencyGenetic Predisposition to DiseaseGenetic TestingGlutamate DecarboxylaseHispanic or LatinoHumansIsoenzymesLinkage DisequilibriumMaleMutationPolymorphism, Single NucleotideStudentsUnited StatesWhite PeopleConceptsSingle nucleotide polymorphismsGAD2 geneNon-synonymous polymorphismsAssociation studiesSequence variantsGamma-amino butyric acidGlutamate decarboxylase 2GenesMutation screenNucleotide polymorphismsAdditional populationsMajor enzymeG single nucleotide polymorphismPolymorphismG variantButyric acidPopulationVariantsEnzymeAdditional samplesRoleRussian malesVariationScreenDHPLC
1993
Mutational analysis of candidate genes in psychiatric disorders
Gejman P, Gelernter J. Mutational analysis of candidate genes in psychiatric disorders. American Journal Of Medical Genetics 1993, 48: 184-191. PMID: 8135301, DOI: 10.1002/ajmg.1320480404.Peer-Reviewed Original ResearchConceptsMutational analysisDNA samplesGradient gel electrophoresis (DGGE) techniqueDNA sequencesNucleotide sequenceSequence variationCandidate genesSequence variantsNew sequence variationsChemical cleavageGel electrophoresis techniqueExistence of variationGenetic hypothesisGenesMolecular screeningMutation screeningAffected individualsSequenceElectrophoresis techniqueMutationsCleavageVariationVariants