2015
Significant association between rare IPO11‐HTR1A variants and attention deficit hyperactivity disorder in Caucasians
Zuo L, Saba L, Lin X, Tan Y, Wang K, Krystal JH, Tabakoff B, Luo X. Significant association between rare IPO11‐HTR1A variants and attention deficit hyperactivity disorder in Caucasians. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2015, 168: 544-556. PMID: 26079129, PMCID: PMC4851708, DOI: 10.1002/ajmg.b.32329.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAttention Deficit Disorder with HyperactivityBeta KaryopherinsBlack or African AmericanFemaleGene FrequencyGenetic Predisposition to DiseaseGenetic VariationHumansMaleMiddle AgedPolymorphism, Single NucleotideQuantitative Trait LociReceptor, Serotonin, 5-HT1ARisk FactorsWhite PeopleConceptsAttention deficit hyperactivity disorderDeficit hyperactivity disorderNeuropsychiatric disordersRare variantsHyperactivity disorderDifferent neuropsychiatric disordersRNA expression changesIndependent cohortSignificant associationSignificant regulatory effectDisordersCaucasiansEuropean descentRegulatory effectsHuman brainDiseaseAssociationCis-eQTL analysisIPO11African descentExpression changesSubjectsCohortFalse discovery rateVariants
2013
Deep resequencing of 17 glutamate system genes identifies rare variants in DISC1 and GRIN2B affecting risk of opioid dependence
Xie P, Kranzler HR, Krystal JH, Farrer LA, Zhao H, Gelernter J. Deep resequencing of 17 glutamate system genes identifies rare variants in DISC1 and GRIN2B affecting risk of opioid dependence. Addiction Biology 2013, 19: 955-964. PMID: 23855403, PMCID: PMC3815683, DOI: 10.1111/adb.12072.Peer-Reviewed Original ResearchConceptsOpioid dependenceSubstance dependenceRare variantsN-methyl-D-aspartate (NMDA) glutamate receptorsCo-occurring alcohol dependenceHealthy control subjectsControl subjectsNMDA systemOpioid abuseGlutamate receptorsSchizophrenia risk genesSD riskAlcohol dependenceSignificant associationCocaine dependenceAdditional subjectsOD riskRisk genesDISC1African AmericansFirst demonstrationCommon variantsRiskSubjectsMinor allele frequency
2008
MAOA Genotype, Maltreatment, and Aggressive Behavior: The Changing Impact of Genotype at Varying Levels of Trauma
Weder N, Yang BZ, Douglas-Palumberi H, Massey J, Krystal JH, Gelernter J, Kaufman J. MAOA Genotype, Maltreatment, and Aggressive Behavior: The Changing Impact of Genotype at Varying Levels of Trauma. Biological Psychiatry 2008, 65: 417-424. PMID: 18996506, PMCID: PMC3816252, DOI: 10.1016/j.biopsych.2008.09.013.Peer-Reviewed Original ResearchConceptsAggressive behaviorMAOA genotypeProportion scoreChildhood adversityTrauma exposureDiverse cohortBasis of genotypeTraumaHigher aggression scoresChildrenDNA specimensStandard research instrumentsAntisocial behaviorLow base ratesCareAcute crisisExposureAggression scoresScoresSignificant interactionRiskAncestry informative markersParent careGenotypesModerate levels
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 malesVariationScreenDHPLCBrain-Derived Neurotrophic Factor–5-HTTLPR Gene Interactions and Environmental Modifiers of Depression in Children
Kaufman J, Yang BZ, Douglas-Palumberi H, Grasso D, Lipschitz D, Houshyar S, Krystal JH, Gelernter J. Brain-Derived Neurotrophic Factor–5-HTTLPR Gene Interactions and Environmental Modifiers of Depression in Children. Biological Psychiatry 2006, 59: 673-680. PMID: 16458264, DOI: 10.1016/j.biopsych.2005.10.026.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentBrain-Derived Neurotrophic FactorCase-Control StudiesChildChild AbuseChild, PreschoolChi-Square DistributionDepressionDNA Mutational AnalysisEnvironmentFemaleGene FrequencyGenetic VariationGenotypeHumansMaleMethioninePredictive Value of TestsPsychiatric Status Rating ScalesRisk FactorsSerotonin Plasma Membrane Transport ProteinsSeverity of Illness IndexSocial SupportSurveys and QuestionnairesValineConceptsBrain-derived neurotrophic factor (BDNF) genotypeNeurotrophic factor genotypeSocial supportHigher depression scoresBDNF genotypeProportion scoreBDNF geneProtective effectDepression scoresComparison subjectsPsychiatric symptomatologyModerate riskEnvironmental modifiersDepressionFactor genotypeChildrenDNA specimensStandard research instrumentsShort alleleRiskMaltreatment historyCurrent dataScoresAncestry informative markersChild abuse
2005
Association Between Alcoholism and γ‐Amino Butyric Acid α2 Receptor Subtype in a Russian Population
Lappalainen J, Krupitsky E, Remizov M, Pchelina S, Taraskina A, Zvartau E, Somberg LK, Covault J, Kranzler HR, Krystal JH, Gelernter J. Association Between Alcoholism and γ‐Amino Butyric Acid α2 Receptor Subtype in a Russian Population. Alcohol Clinical And Experimental Research 2005, 29: 493-498. PMID: 15834213, DOI: 10.1097/01.alc.0000158938.97464.90.Peer-Reviewed Original ResearchConceptsAlcohol-dependent menAlcohol dependenceUS populationSingle nucleotide polymorphismsReceptor subtypesGABRA2 single nucleotide polymorphismsAlpha2-receptor subtypesPopulation control subjectsΑ2-receptor subtypeAlcohol-dependent populationTight linkage disequilibriumControl subjectsReal-time PCRTrend-level associationIncrease riskLarge genetic studiesChi analysisSignificant association
2004
Social supports and serotonin transporter gene moderate depression in maltreated children
Kaufman J, Yang BZ, Douglas-Palumberi H, Houshyar S, Lipschitz D, Krystal JH, Gelernter J. Social supports and serotonin transporter gene moderate depression in maltreated children. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 17316-17321. PMID: 15563601, PMCID: PMC534414, DOI: 10.1073/pnas.0404376101.Peer-Reviewed Original ResearchConceptsSocial supportDevelopment of depressionGene promoter polymorphismTransporter gene promoter polymorphismSerotonin transporter gene promoter polymorphismHigher depression ratingsDepression ratingsClinical dataModerate depressionPsychiatric disordersDepression scoresPromoter polymorphismNegative sequelaeModerate riskDepressionEarly stressChildrenS genotypeHistory of maltreatmentRiskShort allele
2003
Mutation screen of the glutamate decarboxylase‐67 gene and haplotype association to unipolar depression
Lappalainen J, Sanacora G, Kranzler HR, Malison R, Hibbard ES, Price LH, Krystal J, Gelernter J. Mutation screen of the glutamate decarboxylase‐67 gene and haplotype association to unipolar depression. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2003, 124B: 81-86. PMID: 14681921, DOI: 10.1002/ajmg.b.20055.Peer-Reviewed Original Research
2002
A Functional Neuropeptide Y Leu7Pro Polymorphism Associated With Alcohol Dependence in a Large Population Sample From the United States
Lappalainen J, Kranzler HR, Malison R, Price LH, Van Dyck C, Rosenheck RA, Cramer J, Southwick S, Charney D, Krystal J, Gelernter J. A Functional Neuropeptide Y Leu7Pro Polymorphism Associated With Alcohol Dependence in a Large Population Sample From the United States. JAMA Psychiatry 2002, 59: 825-831. PMID: 12215082, DOI: 10.1001/archpsyc.59.9.825.Peer-Reviewed Original ResearchMeSH KeywordsAlcohol DrinkingAlcoholismBlack PeopleCase-Control StudiesComorbidityDepressive DisorderEthnicityEuropeFemaleGene FrequencyGenetic Predisposition to DiseaseGenetics, PopulationGenotypeHumansMaleNeuropeptide YPolymorphism, GeneticRacial GroupsSchizophreniaStress Disorders, Post-TraumaticUnited StatesConceptsAlcohol-dependent subjectsPro7 alleleAlcohol dependencePopulation sampleComorbid psychiatric disordersMain outcome measuresPopulation studiesEA controlsNeuropeptide Y geneRecent population studiesPosttraumatic stress disorderNPY polymorphismsRisk factorsAttributable fractionMajor depressionOutcome measuresLarge population samplePsychiatric disordersAlcohol consumptionPolymorphism AssociatedAlzheimer's diseaseAllele frequenciesStress disorderModulate riskEuropean Americans