2008
Positron Emission Tomography Imaging of the Serotonin Transporter and 5-HT1A Receptor in Alcohol Dependence
Martinez D, Slifstein M, Gil R, Hwang DR, Huang Y, Perez A, Frankle WG, Laruelle M, Krystal J, Abi-Dargham A. Positron Emission Tomography Imaging of the Serotonin Transporter and 5-HT1A Receptor in Alcohol Dependence. Biological Psychiatry 2008, 65: 175-180. PMID: 18962444, PMCID: PMC2621104, DOI: 10.1016/j.biopsych.2008.08.034.Peer-Reviewed Original ResearchConceptsType II alcoholismSerotonergic transmissionControl subjectsTransporter levelsAlcohol-dependent subjectsNonspecific partition coefficientEmission Tomography ImagingPositron emission tomography (PET) imagingSeverity of alcoholismDifferent brain regionsTwo-tissue compartment modelSerotonin innervationTransporter availabilityAlcoholic subjectsRodent modelsAlcohol dependenceDisease severitySignificant negative correlationBrain regionsSerotonin transporterSubjects SubjectsAlcoholismTomography imagingSignificant differencesPatients
2005
Alcohol Dependence Is Associated with Blunted Dopamine Transmission in the Ventral Striatum
Martinez D, Gil R, Slifstein M, Hwang DR, Huang Y, Perez A, Kegeles L, Talbot P, Evans S, Krystal J, Laruelle M, Abi-Dargham A. Alcohol Dependence Is Associated with Blunted Dopamine Transmission in the Ventral Striatum. Biological Psychiatry 2005, 58: 779-786. PMID: 16018986, DOI: 10.1016/j.biopsych.2005.04.044.Peer-Reviewed Original ResearchConceptsAlcohol-dependent subjectsLimbic striatumPositron emission tomographyDopamine transmissionD2 receptorsDopamine releaseAD subjectsAlcohol dependenceAmphetamine-induced dopamine releaseDopamine type 2 receptorHealthy control subjectsD2 receptor availabilityMesolimbic dopamine transmissionType 2 receptorPsychostimulant challengeSensorimotor subdivisionsControl subjectsStriatal subdivisionsAssociative striatumSensorimotor striatumReceptor availabilityStriatumEmission tomographyVentral striatumReceptors
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