2022
Associations Between Cannabis Use, Polygenic Liability for Schizophrenia, and Cannabis-related Experiences in a Sample of Cannabis Users
Johnson E, Colbert S, Jeffries P, Tillman R, Bigdeli T, Karcher N, Chan G, Kuperman S, Meyers J, Nurnberger J, Plawecki M, Degenhardt L, Martin N, Kamarajan C, Schuckit M, Murray R, Dick D, Edenberg H, D’Souza D, Di Forti M, Porjesz B, Nelson E, Agrawal A. Associations Between Cannabis Use, Polygenic Liability for Schizophrenia, and Cannabis-related Experiences in a Sample of Cannabis Users. Schizophrenia Bulletin 2022, 49: 778-787. PMID: 36545904, PMCID: PMC10154717, DOI: 10.1093/schbul/sbac196.Peer-Reviewed Original ResearchConceptsCannabis useAlcohol use disorderCognitive difficultiesSchizophrenia polygenic risk scoresFirst cannabis useDaily cannabis useCannabis usersSocial withdrawalUnusual experiencesCannabis involvementPolygenic risk scoresExpected directionGenetic riskUse disordersIndependent replication sampleLike experiencesGenetic liabilityCannabisSchizophreniaPolygenic riskPolygenic liabilityReplication sampleExperienceAnalytic sampleDisorders
2014
Effects of Δ9-tetrahydrocannabinol in individuals with a familial vulnerability to alcoholism
Ranganathan M, Sewell RA, Carbuto M, Elander J, Schnakenberg A, Radhakrishnan R, Pittman B, D’Souza D. Effects of Δ9-tetrahydrocannabinol in individuals with a familial vulnerability to alcoholism. Psychopharmacology 2014, 231: 2385-2393. PMID: 24424782, DOI: 10.1007/s00213-013-3402-4.Peer-Reviewed Original ResearchConceptsPerceptual alterationsRewarding effectsSubjective effectsAlcohol-related behaviorsΔ9-THCExecutive functionEffects of alcoholSpatial memoryMemory impairmentCounterbalanced orderAlcohol problemsFamilial vulnerabilityCannabinoid receptor functionΔ9-tetrahydrocannabinolCannabinoid Δ9-tetrahydrocannabinolFirst human studyDouble-blind conditionsCB1R functionOutcome measuresIndividualsMemoryMeasuresAlcoholismSecondary outcome measuresHuman studies
2010
Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence
Krystal JH, Petrakis IL, Limoncelli D, Nappi SK, Trevisan L, Pittman B, D'Souza DC. Characterization of the Interactive Effects of Glycine and D-Cycloserine in Men: Further Evidence for Enhanced NMDA Receptor Function Associated with Human Alcohol Dependence. Neuropsychopharmacology 2010, 36: 701-710. PMID: 21124304, PMCID: PMC3055693, DOI: 10.1038/npp.2010.203.Peer-Reviewed Original ResearchConceptsNMDA receptor functionAlcohol-dependent patientsHuman alcohol dependenceAntagonist-like effectsReceptor functionReceptor antagonistDCS effectsD-cycloserineAlcohol-like effectsAlcohol dependenceNMDA glutamate receptor functionN-methyl-D-aspartate (NMDA) glutamate receptor antagonistStandard alcohol drinksGlutamate receptor antagonistsChronic alcohol consumptionDouble-blind conditionsNMDA receptor antagonistAlcohol-dependent menGlutamate receptor functionAlcohol-dependent animalsPlasma levelsGlycine administrationGlycine levelsNMDA receptorsCoagonist site
2006
The vulnerability to alcohol and substance abuse in individuals diagnosed with schizophrenia
Krystal JH, D’Souza D, Gallinat J, Driesen N, Abi-Dargham A, Petrakis I, Heinz A, Pearlson G. The vulnerability to alcohol and substance abuse in individuals diagnosed with schizophrenia. Neurotoxicity Research 2006, 10: 235-252. PMID: 17197373, DOI: 10.1007/bf03033360.Peer-Reviewed Original ResearchConceptsSubstance abuse riskSubstance abuseSubstance abuse disordersAbuse riskSubstances of abuseNicotinic cholinergicPatient groupDopaminergic inputAbused substancesAbuse disordersSchizophrenic patientsDysphoric effectsAbuse liabilityHigh dosesLow dosesNegative symptomsReceptor functionAltered responseSchizophreniaSchizophrenic individualsRiskReward processingSubjective distressImpulsive behaviorDosesPotentiation of Low Dose Ketamine Effects by Naltrexone: Potential Implications for the Pharmacotherapy of Alcoholism
Krystal JH, Madonick S, Perry E, Gueorguieva R, Brush L, Wray Y, Belger A, D'Souza DC. Potentiation of Low Dose Ketamine Effects by Naltrexone: Potential Implications for the Pharmacotherapy of Alcoholism. Neuropsychopharmacology 2006, 31: 1793-1800. PMID: 16395307, DOI: 10.1038/sj.npp.1300994.Peer-Reviewed Original ResearchConceptsNMDA glutamate receptorsNMDA receptor antagonismKetamine doseReceptor antagonismGlutamate receptorsKetamine effectsProtective effectPlacebo-controlled human laboratory studyOpiate receptor antagonismEfficacy of naltrexoneDose-related fashionNMDA receptor antagonist effectsReceptor antagonist effectsTotal PANSS scoreHuman laboratory studiesPharmacotherapy of alcoholismTreatment of alcoholismHealthy human subjectsHigher ketamine doseNegative Syndrome ScaleLower ketamine doseSignificant behavioral effectsSubanesthetic dosePANSS scoresEthanol drink
2003
NMDA Receptor Antagonism and the Ethanol Intoxication Signal
KRYSTAL JH, PETRAKIS IL, KRUPITSKY E, SCHÜTZ C, TREVISAN L, D'SOUZA DC. NMDA Receptor Antagonism and the Ethanol Intoxication Signal. Annals Of The New York Academy Of Sciences 2003, 1003: 176-184. PMID: 14684445, DOI: 10.1196/annals.1300.010.Peer-Reviewed Original ResearchN-methyl-d-aspartate glutamate receptors and alcoholism: reward, dependence, treatment, and vulnerability
Krystal JH, Petrakis IL, Mason G, Trevisan L, D'Souza DC. N-methyl-d-aspartate glutamate receptors and alcoholism: reward, dependence, treatment, and vulnerability. Pharmacology & Therapeutics 2003, 99: 79-94. PMID: 12804700, DOI: 10.1016/s0163-7258(03)00054-8.Peer-Reviewed Original ResearchConceptsGlutamatergic systemEthanol abuseGlutamate receptorsN-methyl-D-aspartate (NMDA) subtypePrimary excitatory neurotransmitterAspartate glutamate receptorsAction of ethanolEthanol withdrawalGlutamatergic agentsGlutamatergic functionExcitatory neurotransmitterTranslational neuroscience perspectiveGlutamate systemEthanol intoxicationBehavioral effectsEthanol contributeAlcoholismBrainReceptorsTreatmentAbuseN-methylSubtypesNeurotransmittersIntoxicationAltered NMDA Glutamate Receptor Antagonist Response in Recovering Ethanol-Dependent Patients
Krystal JH, Petrakis IL, Limoncelli D, Webb E, Gueorgueva R, D'Souza DC, Boutros NN, Trevisan L, Charney DS. Altered NMDA Glutamate Receptor Antagonist Response in Recovering Ethanol-Dependent Patients. Neuropsychopharmacology 2003, 28: 2020-2028. PMID: 12888778, DOI: 10.1038/sj.npp.1300252.Peer-Reviewed Original ResearchConceptsEthanol-dependent patientsNMDA receptor antagonistReceptor antagonistEthanol dependenceN-methyl-D-aspartate (NMDA) glutamate receptorsDouble-blind studySelective NMDA receptor antagonistNMDA receptor functionAlcohol-dependent patientsHealthy comparison subjectsTreatment of alcoholismHealthy comparison groupExecutive cognitive functionKetamine infusionKetamine 0.5NMDA receptorsGlutamate receptorsComparison subjectsPatientsAmnestic effectsRandomized orderReceptor functionCognitive functionAntagonist responseAntagonist
1999
CSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls: Prediction of Alcohol Cue‐Induced Craving?
Petrakis I, Trevisan L, D'Souza C, Gil R, Krasnicki S, Webb E, Heninger G, Cooney N, Krystal J. CSF Monoamine Metabolite and Beta Endorphin Levels in Recently Detoxified Alcoholics and Healthy Controls: Prediction of Alcohol Cue‐Induced Craving? Alcohol Clinical And Experimental Research 1999, 23: 1336-1341. PMID: 10470976, DOI: 10.1111/j.1530-0277.1999.tb04355.x.Peer-Reviewed Original ResearchConceptsAlcohol-dependent patientsHealthy controlsEndorphin levelsCSF levelsMonoamine metabolitesCSF measuresHealthy subjectsNorepinephrine metabolite MHPGLower CSF levelsBeta-endorphin levelsEarly-onset patientsCerebrospinal fluid levelsLate-onset patientsCentral neurotransmitter systemsCSF monoamine metabolitesDopamine metabolite HVAAlcohol cue exposureAlcohol-dependent individualsCue-Induced CravingAlcohol cue reactivityLumbar punctureMetabolite HVANeurotransmitter systemsMonoaminergic dysregulationMetabolite MHPG