2017
GRIK1 and GABRA2 Variants Have Distinct Effects on the Dose‐Related Subjective Response to Intravenous Alcohol in Healthy Social Drinkers
Yang B, Arias AJ, Feinn R, Krystal JH, Gelernter J, Petrakis IL. GRIK1 and GABRA2 Variants Have Distinct Effects on the Dose‐Related Subjective Response to Intravenous Alcohol in Healthy Social Drinkers. Alcohol Clinical And Experimental Research 2017, 41: 2025-2032. PMID: 29131352, PMCID: PMC5764175, DOI: 10.1111/acer.13516.Peer-Reviewed Original Research
2013
Association of Gamma-Aminobutyric Acid A Receptor α2 Gene (GABRA2) with Alcohol Use Disorder
Li D, Sulovari A, Cheng C, Zhao H, Kranzler HR, Gelernter J. Association of Gamma-Aminobutyric Acid A Receptor α2 Gene (GABRA2) with Alcohol Use Disorder. Neuropsychopharmacology 2013, 39: 907-918. PMID: 24136292, PMCID: PMC3924525, DOI: 10.1038/npp.2013.291.Peer-Reviewed Original ResearchConceptsReceptor geneGABA receptor genesGABAA receptor genesCandidate gene association studiesSAGE data setsBonferroni-corrected thresholdGene association studiesSingle nucleotide polymorphismsAssociation studiesGenotype dataStudy of AddictionGamma-aminobutyric acidMammalian brainGenesComplex disorderGABRA2 single nucleotide polymorphismsSubstance dependenceMajor inhibitory neurotransmitterGeneticsInhibitory neurotransmitterVariantsGABA receptorsSignificant associationSubstance abuseMethamphetamine dependence
2012
GABRA2 Genotype, Impulsivity, and Body Mass
Bauer LO, Yang B, Houston RJ, Kranzler HR, Gelernter J. GABRA2 Genotype, Impulsivity, and Body Mass. American Journal On Addictions 2012, 21: 404-410. PMID: 22882390, PMCID: PMC3773931, DOI: 10.1111/j.1521-0391.2012.00252.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAttention Deficit Disorder with HyperactivityBody Mass IndexCase-Control StudiesConnecticutFemaleGenotypeHumansImpulsive BehaviorMaleMiddle AgedPolymorphism, Single NucleotidePsychiatric Status Rating ScalesReceptors, GABA-ASex FactorsSubstance Abuse Treatment CentersSubstance-Related DisordersConceptsBody mass indexElevated body mass indexAssociation of BMIGABRA2 genotypeSubstance dependenceAttention-deficit/hyperactivity disorderHigh-calorie foodsPrevious pregnancyMass indexElectroencephalographic featuresRisk factorsChildhood symptomsScale scoreDrug abstinenceCalorie foodsHyperactivity disorderGenetic findingsWomenLonger durationBarratt Impulsiveness ScalePsychological indicatorsGABRA2 variantsSex differencesSecond analysisBody mass
2011
GABRA2 and KIBRA genotypes predict early relapse to substance use
Bauer LO, Covault J, Gelernter J. GABRA2 and KIBRA genotypes predict early relapse to substance use. Drug And Alcohol Dependence 2011, 123: 154-159. PMID: 22129841, PMCID: PMC3294190, DOI: 10.1016/j.drugalcdep.2011.11.004.Peer-Reviewed Original ResearchConceptsMonths of abstinenceDrug use problemsCognitive controlContribution of ageAbstinence violationDrug abuse problemsKIBRA genotypeUse problemsDepression symptomsDrug involvementSubstance useAbuse problemsTreatment settingsDrug useKIBRARisk of relapseFuture studiesGABRA2AbstinenceSmall samplesEthnic groupsANKK1Younger ageGABRG1 and GABRA2 Variation Associated with Alcohol Dependence in African Americans
Ittiwut C, Yang B, Kranzler HR, Anton RF, Hirunsatit R, Weiss RD, Covault J, Farrer LA, Gelernter J. GABRG1 and GABRA2 Variation Associated with Alcohol Dependence in African Americans. Alcohol Clinical And Experimental Research 2011, 36: 588-593. PMID: 21919924, PMCID: PMC3250564, DOI: 10.1111/j.1530-0277.2011.01637.x.Peer-Reviewed Original Research
2007
Interpopulation linkage disequilibrium patterns of GABRA2 and GABRG1 genes at the GABA cluster locus on human chromosome 4
Ittiwut C, Listman J, Mutirangura A, Malison R, Covault J, Kranzler HR, Sughondhabirom A, Thavichachart N, Gelernter J. Interpopulation linkage disequilibrium patterns of GABRA2 and GABRG1 genes at the GABA cluster locus on human chromosome 4. Genomics 2007, 91: 61-69. PMID: 17976953, PMCID: PMC2709929, DOI: 10.1016/j.ygeno.2007.08.007.Peer-Reviewed Original ResearchConceptsLinkage disequilibrium patternsDisequilibrium patternsHuman chromosome 4Intergenic distancesIntergenic regionHaplotype block structureChromosome 4Haplotype structureLD blocksFunctional variantsGamma 1 subunitChromosome 4pHigh LDGABRA2 locusGenetic associationGenesLociDifferent populationsAlpha 2GABRA2KbSubunitsPopulationReported associationsGABRG1Variation in GABRA2 Predicts Drinking Behavior in Project MATCH Subjects
Bauer LO, Covault J, Harel O, Das S, Gelernter J, Anton R, Kranzler HR. Variation in GABRA2 Predicts Drinking Behavior in Project MATCH Subjects. Alcohol Clinical And Experimental Research 2007, 31: 1780-1787. PMID: 17949392, PMCID: PMC3169387, DOI: 10.1111/j.1530-0277.2007.00517.x.Peer-Reviewed Original ResearchConceptsTwelve-step facilitationMotivational enhancement therapyCognitive behavioral therapyPsychosocial treatmentsSingle nucleotide polymorphismsAlcohol dependenceGABRA2 single nucleotide polymorphismsMulti-center randomized clinical trialHeavy drinkingRandomized clinical trialsLow-risk allelesPost-treatment periodPresent studyClinical trialsLower riskEuropean-American subjectsAlcoholism treatmentBehavioral therapyGABRA2 genotypeGABRA2 geneEnhancement therapyLower daily probabilityDrinking outcomesGenetic vulnerabilityPrevious studiesMarkers in the 5′-Region of GABRG1 Associate to Alcohol Dependence and are in Linkage Disequilibrium with Markers in the Adjacent GABRA2 Gene
Covault J, Gelernter J, Jensen K, Anton R, Kranzler HR. Markers in the 5′-Region of GABRG1 Associate to Alcohol Dependence and are in Linkage Disequilibrium with Markers in the Adjacent GABRA2 Gene. Neuropsychopharmacology 2007, 33: 837-848. PMID: 17507911, PMCID: PMC2743531, DOI: 10.1038/sj.npp.1301456.Peer-Reviewed Original Research
2006
γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment
Krystal JH, Staley J, Mason G, Petrakis IL, Kaufman J, Harris RA, Gelernter J, Lappalainen J. γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment. JAMA Psychiatry 2006, 63: 957-968. PMID: 16952998, DOI: 10.1001/archpsyc.63.9.957.Peer-Reviewed Original ResearchConceptsBrain GABA systemsGABA systemAlcohol dependenceWithdrawal symptomsGABA functionGamma-aminobutyric acid (GABA) functionCortical GABA levelsAlcohol withdrawal symptomsΓ-Aminobutyric Acid Type A ReceptorsEnvironmental risk factorsLong-term alcohol effectsType A ReceptorsAlcohol-dependent individualsLong-term sobrietyGABA releaseNeurosteroid levelsAcute withdrawalAlcoholism vulnerabilityGABA neurotransmissionRisk factorsGABA levelsExtrasynaptic locationsLow chloride conductanceReceptor densityTonic component
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
Allelic and haplotypic association of GABRA2 with alcohol dependence
Covault J, Gelernter J, Hesselbrock V, Nellissery M, Kranzler HR. Allelic and haplotypic association of GABRA2 with alcohol dependence. American Journal Of Medical Genetics Part B Neuropsychiatric Genetics 2004, 129B: 104-109. PMID: 15274050, DOI: 10.1002/ajmg.b.30091.Peer-Reviewed Original ResearchConceptsAlcohol-dependent subjectsAlcohol dependenceSingle nucleotide polymorphismsMajor depressive episodeGABAA receptor subunitsSubstance use disordersHaplotypic associationsEvidence of associationSerious morbidityOpioid dependenceAlpha 2 subunitDepressive episodePrevalent disorderUse disordersEuropean-American subjectsNeurotransmitter receptorsControl groupDrug dependenceReceptor subunitsCommon haplotypeGABRA2 geneBehavioral effectsImportant mediatorAssociationSubjects