2016
The Role of GluN2C-Containing NMDA Receptors in Ketamine's Psychotogenic Action and in Schizophrenia Models
Khlestova E, Johnson JW, Krystal JH, Lisman J. The Role of GluN2C-Containing NMDA Receptors in Ketamine's Psychotogenic Action and in Schizophrenia Models. Journal Of Neuroscience 2016, 36: 11151-11157. PMID: 27807157, PMCID: PMC5148234, DOI: 10.1523/jneurosci.1203-16.2016.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainEvidence-Based MedicineHallucinogensHumansKetaminePsychoses, Substance-InducedReceptors, N-Methyl-D-AspartateSchizophreniaConceptsNMDAR antagonistsNMDA receptor hypofunction hypothesisDifferent NMDAR subtypesHealthy human subjectsSymptoms of schizophreniaPsychotogenic effectsNMDA receptorsNMDAR subtypesSchizophrenia modelKetamine's abilityNegative symptomsKetamineMultiple subtypesPsychotic statesPreferential involvementSchizophreniaAntagonistGluN2CSubtypesReceptorsEEG powerHuman subjectsNMDARSymptomsΔ oscillations
2015
Perceptual distortions and delusional thinking following ketamine administration are related to increased pharmacological MRI signal changes in the parietal lobe
Stone J, Kotoula V, Dietrich C, De Simoni S, Krystal JH, Mehta MA. Perceptual distortions and delusional thinking following ketamine administration are related to increased pharmacological MRI signal changes in the parietal lobe. Journal Of Psychopharmacology 2015, 29: 1025-1028. PMID: 26152321, DOI: 10.1177/0269881115592337.Peer-Reviewed Original ResearchConceptsPerceptual distortionBOLD responsePsychotomimetic States InventoryFunctional MRI acquisitionKetamine-induced effectsPerceptual alterationsDelusional thinkingBrain activityDelusional interpretationDelusional thoughtsCognitive symptomsBOLD increasesParietal cortexHealthy participantsParietal lobeStates InventorySubjective changesParacentral lobuleKetamine administrationSubcortical increasesKetamine effectsHealthy humansSignal changesMRI signal changesKetamine infusion
2012
Capturing the Angel in “Angel Dust”: Twenty Years of Translational Neuroscience Studies of NMDA Receptor Antagonists in Animals and Humans
Moghaddam B, Krystal JH. Capturing the Angel in “Angel Dust”: Twenty Years of Translational Neuroscience Studies of NMDA Receptor Antagonists in Animals and Humans. Schizophrenia Bulletin 2012, 38: 942-949. PMID: 22899397, PMCID: PMC3446228, DOI: 10.1093/schbul/sbs075.Peer-Reviewed Original ResearchMeSH KeywordsAllosteric RegulationAnimalsAntipsychotic AgentsBrief Psychiatric Rating ScaleCerebral CortexDisease Models, AnimalDopamineEmotionsGlutamic AcidHumansKetamineNeurosciencesPhencyclidinePsychoses, Substance-InducedReceptor, Metabotropic Glutamate 5Receptors, Dopamine D2Receptors, Metabotropic GlutamateReceptors, N-Methyl-D-AspartateSchizophreniaSynapsesTranslational Research, BiomedicalConceptsNMDA receptor antagonistReceptor antagonistDopamine hypothesisN-methyl-D-aspartate receptor antagonistGlutamate synaptic functionTranslational neuroscience studiesTreatment of schizophreniaPathophysiology of schizophreniaPotential treatment targetPotential new targetsDopamine antagonistsCortical functionAnimal studiesTreatment targetsClinical testingSynaptic functionAntagonistTranslational toolSchizophreniaTranslational research fundingTranslational researchPotential mechanismsNew targetsAngel dustSystems neuroscience
2010
Glutamatergic Model Psychoses: Prediction Error, Learning, and Inference
Corlett PR, Honey GD, Krystal JH, Fletcher PC. Glutamatergic Model Psychoses: Prediction Error, Learning, and Inference. Neuropsychopharmacology 2010, 36: 294-315. PMID: 20861831, PMCID: PMC3055519, DOI: 10.1038/npp.2010.163.Peer-Reviewed Original Research
2008
Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis
D'Souza DC, Ranganathan M, Braley G, Gueorguieva R, Zimolo Z, Cooper T, Perry E, Krystal J. Blunted Psychotomimetic and Amnestic Effects of Δ-9-Tetrahydrocannabinol in Frequent Users of Cannabis. Neuropsychopharmacology 2008, 33: 2505-2516. PMID: 18185500, PMCID: PMC3799954, DOI: 10.1038/sj.npp.1301643.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmnesiaAttentionBrainDose-Response Relationship, DrugDouble-Blind MethodDronabinolDrug Administration ScheduleDrug ToleranceFemaleHallucinationsHallucinogensHumansHydrocortisoneMaleMarijuana AbuseMiddle AgedPerceptual DisordersProlactinPsychoses, Substance-InducedTachycardiaYoung AdultConceptsAmnestic effectsPerceptual alterationsDelta-9-TetrahydrocannabinolCannabis useSubjective effectsFrequent usersCannabisEffects of cannabinoidsIllicit substancesPsychotomimetic effectsEuphoric effectsHealthy controlsHealthy individualsMemoryImpairingPsychosisDose-related effectsIndividualsCortisolPsychotomimeticsAttentionPeopleUsersPlacebo-controlled studyEffectRelationship between ketamine-induced psychotic symptoms and NMDA receptor occupancy—a [123I]CNS-1261 SPET study
Stone JM, Erlandsson K, Arstad E, Squassante L, Teneggi V, Bressan RA, Krystal JH, Ell PJ, Pilowsky LS. Relationship between ketamine-induced psychotic symptoms and NMDA receptor occupancy—a [123I]CNS-1261 SPET study. Psychopharmacology 2008, 197: 401-408. PMID: 18176855, DOI: 10.1007/s00213-007-1047-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrief Psychiatric Rating ScaleDose-Response Relationship, DrugGuanidinesHumansInfusions, IntravenousIodine RadioisotopesKetamineMalePrefrontal CortexPsychoses, Substance-InducedReceptors, N-Methyl-D-AspartateSchizophreniaSingle-Blind MethodTomography, Emission-Computed, Single-PhotonConceptsBrief Psychiatric Rating ScaleVolume of distributionNMDA receptorsPsychotic symptomsN-methyl-D-aspartate receptorsKetamine-induced psychotic symptomsSingle photon emission tomographyNMDA receptor bindingEffects of ketamineNegative subscaleHealthy human controlsPsychiatric Rating ScaleNegative psychotic symptomsInferior frontal cortexKetamine administrationBolus infusionHealthy controls
2005
γ-Aminobutyric Acid–Serotonin Interactions in Healthy Men: Implications for Network Models of Psychosis and Dissociation
D’Souza D, Gil RB, Zuzarte E, MacDougall LM, Donahue L, Ebersole JS, Boutros NN, Cooper T, Seibyl J, Krystal JH. γ-Aminobutyric Acid–Serotonin Interactions in Healthy Men: Implications for Network Models of Psychosis and Dissociation. Biological Psychiatry 2005, 59: 128-137. PMID: 16140281, DOI: 10.1016/j.biopsych.2005.06.020.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnxietyCross-Over StudiesDissociative DisordersDouble-Blind MethodDrug SynergismFlumazenilGABA ModulatorsGamma-Aminobutyric AcidHumansMaleModels, NeurologicalPerceptual DisordersPiperazinesPsychoses, Substance-InducedReceptors, GABA-AReceptors, Serotonin, 5-HT2Reference ValuesSerotoninSerotonin Receptor AgonistsComparative and Interactive Human Psychopharmacologic Effects of Ketamine and Amphetamine: Implications for Glutamatergic and Dopaminergic Model Psychoses and Cognitive Function
Krystal JH, Perry EB, Gueorguieva R, Belger A, Madonick SH, Abi-Dargham A, Cooper TB, MacDougall L, Abi-Saab W, D’Souza D. Comparative and Interactive Human Psychopharmacologic Effects of Ketamine and Amphetamine: Implications for Glutamatergic and Dopaminergic Model Psychoses and Cognitive Function. JAMA Psychiatry 2005, 62: 985-995. PMID: 16143730, DOI: 10.1001/archpsyc.62.9.985.Peer-Reviewed Original ResearchMeSH KeywordsAmphetamineCognitionDopamineDouble-Blind MethodDrug InteractionsGlutamineHumansKetaminePlacebosPrefrontal CortexPsychoses, Substance-InducedReceptors, N-Methyl-D-Aspartate
2004
The Psychotomimetic Effects of Intravenous Delta-9-Tetrahydrocannabinol in Healthy Individuals: Implications for Psychosis
D'Souza DC, Perry E, MacDougall L, Ammerman Y, Cooper T, Wu YT, Braley G, Gueorguieva R, Krystal JH. The Psychotomimetic Effects of Intravenous Delta-9-Tetrahydrocannabinol in Healthy Individuals: Implications for Psychosis. Neuropsychopharmacology 2004, 29: 1558-1572. PMID: 15173844, DOI: 10.1038/sj.npp.1300496.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyArousalAttentionBehaviorCognitionDose-Response Relationship, DrugDouble-Blind MethodDronabinolFemaleHallucinogensHemodynamicsHumansHydrocortisoneInjections, IntravenousMaleMemory, Short-TermMental RecallPanicProlactinPsychiatric Status Rating ScalesPsychometricsPsychoses, Substance-InducedSpeechVerbal LearningConceptsCannabinoid receptor functionWord recallRecognition recallVerbal fluencyCognitive deficitsProspective safety dataNegative symptomsAbuse disordersHealthy individualsCounterbalanced studyMonths poststudyRecallPsychotomimetic effectsPsychotic disordersReceptor functionPsychosisEndogenous psychosesIndividualsDistractibilityFluencyTransient symptomsDisordersEndocrine effectsSafety dataAnxiety
2002
Sensory gating and psychosis vulnerability in cocaine-dependent individuals: preliminary data
Boutros NN, Gelernter J, Gooding DC, Cubells J, Young A, Krystal JH, Kosten T. Sensory gating and psychosis vulnerability in cocaine-dependent individuals: preliminary data. Biological Psychiatry 2002, 51: 683-686. PMID: 11955469, DOI: 10.1016/s0006-3223(01)01237-9.Peer-Reviewed Original Research
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
1994
Subanesthetic Effects of the Noncompetitive NMDA Antagonist, Ketamine, in Humans: Psychotomimetic, Perceptual, Cognitive, and Neuroendocrine Responses
Krystal JH, Karper LP, Seibyl JP, Freeman GK, Delaney R, Bremner JD, Heninger GR, Bowers MB, Charney DS. Subanesthetic Effects of the Noncompetitive NMDA Antagonist, Ketamine, in Humans: Psychotomimetic, Perceptual, Cognitive, and Neuroendocrine Responses. JAMA Psychiatry 1994, 51: 199-214. PMID: 8122957, DOI: 10.1001/archpsyc.1994.03950030035004.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureCognitionDissociative DisordersDose-Response Relationship, DrugDouble-Blind MethodFemaleFrontal LobeHomovanillic AcidHumansHydrocortisoneKetamineMaleMethoxyhydroxyphenylglycolNeuropsychological TestsPerceptionProlactinPsychiatric Status Rating ScalesPsychoses, Substance-InducedPulseReceptors, N-Methyl-D-AspartateSchizophreniaSchizophrenic PsychologyConceptsWisconsin Card Sorting TestCard Sorting TestMini-Mental State ExaminationSorting TestNegative symptomsTests of vigilanceVerbal fluency taskDissociative statesState ExaminationFrontal cortical dysfunctionPsychosis Proneness ScalesClinician-Administered Dissociative States ScaleWord recallImmediate recallVerbal fluencyFluency taskVigilance taskCognitive deficitsCognitive functionRecallState scaleBrief Psychiatric Rating ScaleCortical dysfunctionTest dayPsychiatric Rating Scale
1992
Prolonged postictal encephalopathy in two patients with clozapine- induced seizures
Karper LP, Salloway SP, Seibyl JP, Krystal JH. Prolonged postictal encephalopathy in two patients with clozapine- induced seizures. Journal Of Neuropsychiatry 1992, 4: 454-457. PMID: 1422175, DOI: 10.1176/jnp.4.4.454.Peer-Reviewed Original ResearchMeSH KeywordsAdultBipolar DisorderCerebral CortexClozapineDelta RhythmElectroencephalographyEpilepsy, Tonic-ClonicFollow-Up StudiesHumansMalePsychoses, Substance-InducedSchizophrenia, Paranoid