2000
Dopamine and serotonin transporters in patients with schizophrenia: an imaging study with [123I]β-CIT
Laruelle M, Abi-Dargham A, van Dyck C, Gil R, D’Souza D, Krystal J, Seibyl J, Baldwin R, Innis R. Dopamine and serotonin transporters in patients with schizophrenia: an imaging study with [123I]β-CIT. Biological Psychiatry 2000, 47: 371-379. PMID: 10704949, DOI: 10.1016/s0006-3223(99)00257-7.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsBrain StemCarrier ProteinsCase-Control StudiesCocaineDopamineDopamine Plasma Membrane Transport ProteinsFemaleHumansIodine RadioisotopesMaleMembrane GlycoproteinsMembrane Transport ProteinsMiddle AgedNeostriatumNerve Tissue ProteinsSchizophreniaSerotoninSerotonin Plasma Membrane Transport ProteinsTomography, Emission-Computed, Single-PhotonConceptsAmphetamine-induced dopamine releaseStriatal dopamine transporterDopamine transporterControl subjectsDAT densityDopamine releaseNegative symptomsStriatal DAT densityDuration of illnessDopamine nerve terminalsHealthy control subjectsSerotonin transporter densityCohort of subjectsRelative deficitSingle photon emissionNeurodegenerative processesPostmortem studiesNerve terminalsSerotonin functionTrend-level associationReceptor radiotracerPatientsDopamine functionLower striatalTransporter density
1998
Alterations of Benzodiazepine Receptors in Type II Alcoholic Subjects Measured With SPECT and 123IIomazenil
Abi-Dargham A, Krystal JH, Anjilvel S, Scanley BE, Zoghbi S, Baldwin RM, Rajeevan N, Ellis S, Petrakis IL, Seibyl JP, Charney DS, Laruelle M, Innis RB. Alterations of Benzodiazepine Receptors in Type II Alcoholic Subjects Measured With SPECT and 123IIomazenil. American Journal Of Psychiatry 1998, 155: 1550-1555. PMID: 9812116, DOI: 10.1176/ajp.155.11.1550.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsBenzodiazepine receptorsComparison subjectsAlcoholic subjectsDistribution volumeAlcoholic patientsAnterior cingulateBenzodiazepine receptor densityRight middle frontal gyrusLeft occipital cortexType II alcoholismSingle photon emissionMiddle frontal gyrusStatistical parametric mappingContinuous infusionReceptor radiotracerReceptor densityOccipital cortexCerebellar cortexCortical regionsPatientsFrontal gyrusInterest analysisVivo studiesParametric mappingIncreased Striatal Dopamine Transmission in Schizophrenia: Confirmation in a Second Cohort
Abi-Dargham A, Gil R, Krystal J, Baldwin RM, Seibyl JP, Bowers M, van Dyck CH, Charney DS, Innis RB, Laruelle M. Increased Striatal Dopamine Transmission in Schizophrenia: Confirmation in a Second Cohort. American Journal Of Psychiatry 1998, 155: 761-767. PMID: 9619147, DOI: 10.1176/ajp.155.6.761.Peer-Reviewed Original ResearchConceptsD2 receptor availabilityAcute amphetamine challengeStriatal dopamine transmissionAmphetamine challengeReceptor availabilityDopamine releaseHealthy subjectsDopamine transmissionDopamine D2 receptor availabilityExcess dopamine releaseStriatal dopamine releaseComparison groupD2 receptor radiotracerHistory of alcoholDSM-IV criteriaSingle photon emissionNew cohortUntreated patientsReceptor radiotracerSchizophrenic patientsPatientsSecond cohortParental socioeconomic statusPositive symptomsSubstance abuse
1996
Single photon emission computerized tomography imaging of amphetamine-induced dopamine release in drug-free schizophrenic subjects.
Laruelle M, Abi-Dargham A, van Dyck CH, Gil R, D'Souza CD, Erdos J, McCance E, Rosenblatt W, Fingado C, Zoghbi SS, Baldwin RM, Seibyl JP, Krystal JH, Charney DS, Innis RB. Single photon emission computerized tomography imaging of amphetamine-induced dopamine release in drug-free schizophrenic subjects. Proceedings Of The National Academy Of Sciences Of The United States Of America 1996, 93: 9235-9240. PMID: 8799184, PMCID: PMC38625, DOI: 10.1073/pnas.93.17.9235.Peer-Reviewed Original ResearchConceptsAmphetamine-induced dopamine releaseDopamine releaseDopaminergic transmissionPsychotic symptomsSchizophrenic groupDopamine D2 receptor availabilityAmphetamine-induced decreaseAmphetamine-induced reductionD2 receptor availabilityD2 receptor radiotracerPositive psychotic symptomsSingle photon emissionExaggerated stimulationAbnormal responsivenessDopaminergic neuronsHealthy controlsReceptor radiotracerSchizophrenic patientsDopamine hypothesisDopamine functionReceptor availabilityAmphetamine effectsControl groupSchizophrenic subjectsSchizophrenia