2014
Glutamate Metabolism in Major Depressive Disorder
Abdallah CG, Jiang L, De Feyter HM, Fasula M, Krystal JH, Rothman DL, Mason GF, Sanacora G. Glutamate Metabolism in Major Depressive Disorder. American Journal Of Psychiatry 2014, 171: 1320-1327. PMID: 25073688, PMCID: PMC4472484, DOI: 10.1176/appi.ajp.2014.14010067.Peer-Reviewed Original Research
2011
The antidepressant effect of ketamine is not associated with changes in occipital amino acid neurotransmitter content as measured by [1H]-MRS
Valentine GW, Mason GF, Gomez R, Fasula M, Watzl J, Pittman B, Krystal JH, Sanacora G. The antidepressant effect of ketamine is not associated with changes in occipital amino acid neurotransmitter content as measured by [1H]-MRS. Psychiatry Research 2011, 191: 122-127. PMID: 21232924, PMCID: PMC3061550, DOI: 10.1016/j.pscychresns.2010.10.009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntidepressive AgentsBlood PressureDepressive Disorder, MajorDissociative DisordersFemaleGamma-Aminobutyric AcidGlutamic AcidHeart RateHumansKetamineMagnetic Resonance SpectroscopyMaleMiddle AgedOccipital LobeProtonsPsychiatric Status Rating ScalesPsychometricsRetrospective StudiesSingle-Blind MethodStatistics as TopicTime FactorsYoung AdultConceptsMajor depressive disorderAntidepressant effectsAntidepressant actionNeurotransmitter contentNMDA receptor antagonist ketamineProton magnetic resonance spectroscopy methodConventional antidepressant treatmentKetamine's antidepressant actionSingle intravenous doseSingle-blind conditionsAntidepressant treatmentChronic treatmentKetamine infusionIntravenous dosePharmacodynamic basisDepressive disorderAcute actionsMRS scansOccipital cortexDepressive symptomsDepression scoresRating ScaleBaseline measuresInfusionKetamine
2006
Preliminary evidence of reduced occipital GABA concentrations in puerperal women: a 1H-MRS study
Epperson CN, Gueorguieva R, Czarkowski KA, Stiklus S, Sellers E, Krystal JH, Rothman DL, Mason GF. Preliminary evidence of reduced occipital GABA concentrations in puerperal women: a 1H-MRS study. Psychopharmacology 2006, 186: 425. PMID: 16724188, DOI: 10.1007/s00213-006-0313-7.Peer-Reviewed Original ResearchConceptsPostpartum major depressionCortical GABA concentrationsGABA concentrationPostpartum womenOccipital cortex GABA concentrationsOccipital cortex GABA levelsProton magnetic resonance spectroscopy studyFollicular phase femalesGamma-aminobutyric acid concentrationResumption of menstruationFollicular phase womenMonths of deliveryMid-follicular phaseOvarian hormone levelsSubgroup of womenMagnetic resonance spectroscopy studyAllopregnanolone concentrationsPuerperal womenALLO levelsBlood levelsPostpartum periodHealthy controlsMajor depressionGABA levelsHormone levels
2005
Cortical Gamma-Aminobutyric Acid Levels and the Recovery from Ethanol Dependence: Preliminary Evidence of Modification by Cigarette Smoking
Mason GF, Petrakis IL, de Graaf RA, Gueorguieva R, Guidone E, Coric V, Epperson CN, Rothman DL, Krystal JH. Cortical Gamma-Aminobutyric Acid Levels and the Recovery from Ethanol Dependence: Preliminary Evidence of Modification by Cigarette Smoking. Biological Psychiatry 2005, 59: 85-93. PMID: 16289397, DOI: 10.1016/j.biopsych.2005.06.009.Peer-Reviewed Original ResearchConceptsEthanol-dependent patientsTobacco smokingEthanol dependenceHealthy subjectsN-acetylaspartateCortical gamma-aminobutyric acid (GABA) levelsGamma-aminobutyric acid (GABA) levelsCortical GABA levelsCortical GABA systemAlcohol withdrawal symptomsAcute ethanol withdrawalComorbidity of alcoholismProton magnetic resonance spectroscopyGamma-aminobutyric acidCortical GABASmoking patientsEthanol withdrawalCigarette smokingGABA systemHealthy menWithdrawal symptomsGABA levelsClinical dataNAA levelsWithdrawal severityCortical γ-Aminobutyric Acid Concentrations in Depressed Patients Receiving Cognitive Behavioral Therapy
Sanacora G, Fenton LR, Fasula MK, Rothman DL, Levin Y, Krystal JH, Mason GF. Cortical γ-Aminobutyric Acid Concentrations in Depressed Patients Receiving Cognitive Behavioral Therapy. Biological Psychiatry 2005, 59: 284-286. PMID: 16139814, DOI: 10.1016/j.biopsych.2005.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAdultCognitive Behavioral TherapyDepressive Disorder, MajorElectroconvulsive TherapyFemaleFollow-Up StudiesGamma-Aminobutyric AcidHumansImage Processing, Computer-AssistedMagnetic Resonance SpectroscopyMaleOccipital LobeOutcome and Process Assessment, Health CareSelective Serotonin Reuptake InhibitorsStatistics as TopicConceptsOccipital cortex GABA concentrationsSelective serotonin reuptake inhibitorsCognitive behavioral therapyElectroconvulsive therapyGABA concentrationDepressed patientsBehavioral therapyCortical GABA concentrationsEffects of CBTGamma-aminobutyric acid concentrationSerotonin reuptake inhibitorsΓ-aminobutyric acid (GABA) concentrationMajor depressive disorderProton magnetic resonance spectroscopyGABA contentAntidepressant actionSSRI treatmentCourse of CBTReuptake inhibitorsMedication treatmentDepressive disorderMajor depressionCerebrospinal fluidDepressed subjectsTherapySex, GABA, and nicotine: The impact of smoking on cortical GABA levels across the menstrual cycle as measured with proton magnetic resonance spectroscopy
Epperson CN, O’Malley S, Czarkowski KA, Gueorguieva R, Jatlow P, Sanacora G, Rothman DL, Krystal JH, Mason GF. Sex, GABA, and nicotine: The impact of smoking on cortical GABA levels across the menstrual cycle as measured with proton magnetic resonance spectroscopy. Biological Psychiatry 2005, 57: 44-48. PMID: 15607299, PMCID: PMC4097033, DOI: 10.1016/j.biopsych.2004.09.021.Peer-Reviewed Original ResearchConceptsCortical GABA levelsOccipital cortex GABA concentrationsGABA levelsProton magnetic resonance spectroscopyImpact of nicotineMenstrual cycleGABA concentrationFemale smokersCortical gamma-aminobutyric acid (GABA) levelsUnderwent proton magnetic resonance spectroscopyGamma-aminobutyric acid (GABA) levelsCentral GABAergic functionCortical GABA concentrationsNicotine-dependent menAmino acid neurotransmissionImpact of smokingPotential risk factorsMenstrual cycle phaseShort-term abstinenceGABAergic functionNicotine modulationSmoking menSmoking cessationFollicular phaseSmoking abstinence
2004
Impaired GABA Neuronal Response to Acute Benzodiazepine Administration in Panic Disorder
Goddard AW, Mason GF, Appel M, Rothman DL, Gueorguieva R, Behar KL, Krystal JH. Impaired GABA Neuronal Response to Acute Benzodiazepine Administration in Panic Disorder. American Journal Of Psychiatry 2004, 161: 2186-2193. PMID: 15569888, DOI: 10.1176/appi.ajp.161.12.2186.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidPanic disorder patientsAcute benzodiazepine administrationCortical GABA levelsBenzodiazepine administrationGABA levelsPanic disorderDisorder patientsNeuronal responsesOccipital cortex GABA levelsTransmitter gamma-aminobutyric acidChronic benzodiazepine treatmentGABA neuronal functionHuman panic disorderTrait-like abnormalitiesGABA synthetic enzymeHealthy comparison subjectsStress-induced releaseCerebral cortexBenzodiazepine treatmentMedication administrationGABA responsesHealthy subjectsPathogenic factorsHuman anxiety disordersSubtype-Specific Alterations of γ-Aminobutyric Acid and Glutamatein Patients With Major Depression
Sanacora G, Gueorguieva R, Epperson CN, Wu YT, Appel M, Rothman DL, Krystal JH, Mason GF. Subtype-Specific Alterations of γ-Aminobutyric Acid and Glutamatein Patients With Major Depression. JAMA Psychiatry 2004, 61: 705-713. PMID: 15237082, DOI: 10.1001/archpsyc.61.7.705.Peer-Reviewed Original ResearchConceptsMajor depressive disorderGamma-aminobutyric acidOccipital cortex GABA concentrationsProton magnetic resonance spectroscopyDepressed subjectsGABA concentrationHealthy controlsSubtypes of MDDCortical gamma-aminobutyric acidHealthy control subjectsMetabolite levelsCholine-containing compoundsHealthy comparison subjectsClinical research programSubtype-specific alterationsΓ-aminobutyric acidClinical correlatesMDD patientsControl subjectsDepressive disorderNeurotransmitter levelsGlutamate levelsMajor depressionMDD subtypesOccipital cortexFamily Psychopathology and Magnitude of Reductions in Occipital Cortex GABA Levels in Panic Disorder
Goddard AW, Mason GF, Rothman DL, Behar KL, Petroff O, Krystal JH. Family Psychopathology and Magnitude of Reductions in Occipital Cortex GABA Levels in Panic Disorder. Neuropsychopharmacology 2004, 29: 639-640. PMID: 14973435, DOI: 10.1038/sj.npp.1300374.Peer-Reviewed Original Research
2003
Increased Cortical GABA Concentrations in Depressed Patients Receiving ECT
Sanacora G, Mason GF, Rothman DL, Hyder F, Ciarcia JJ, Ostroff RB, Berman RM, Krystal JH. Increased Cortical GABA Concentrations in Depressed Patients Receiving ECT. American Journal Of Psychiatry 2003, 160: 577-579. PMID: 12611844, DOI: 10.1176/appi.ajp.160.3.577.Peer-Reviewed Original ResearchConceptsOccipital cortex GABA concentrationsCortical GABA concentrationsCourse of ECTGABA concentrationDepressed patientsConsiderable anticonvulsant effectsSevere refractory depressionGamma-aminobutyric acid concentrationProton magnetic resonance spectroscopyRefractory depressionAnticonvulsant effectsAntidepressant actionGABAergic transmissionECT treatmentGABAergic involvementEffective treatmentECT mechanismsDepressed subjectsPatientsSignificant increaseDepressionTreatmentECTMagnetic resonance spectroscopyAcid concentration
2002
Cortical γ-Aminobutyric Acid Levels Across the Menstrual Cycle in Healthy Women and Those With Premenstrual Dysphoric Disorder: A Proton Magnetic Resonance Spectroscopy Study
Epperson CN, Haga K, Mason GF, Sellers E, Gueorguieva R, Zhang W, Weiss E, Rothman DL, Krystal JH. Cortical γ-Aminobutyric Acid Levels Across the Menstrual Cycle in Healthy Women and Those With Premenstrual Dysphoric Disorder: A Proton Magnetic Resonance Spectroscopy Study. JAMA Psychiatry 2002, 59: 851-858. PMID: 12215085, DOI: 10.1001/archpsyc.59.9.851.Peer-Reviewed Original ResearchConceptsPremenstrual dysphoric disorderCortical GABA levelsGABA neuronal functionBrain GABA concentrationsHealthy womenMenstrual cycleGABA levelsNeuronal functionNeuroactive steroidsFollicular phaseDysphoric disorderGABA concentrationOccipital cortex GABA levelsProton magnetic resonance spectroscopy studyUniversity-based medical centerHealthy menstruating womenΓ-aminobutyric acid (GABA) levelsMagnetic resonance spectroscopy studyLate luteal phaseMenstrual cycle phaseHealth Research programmeMid lutealNeurosteroid levelsGABAergic systemMenstruating womenIncreased Occipital Cortex GABA Concentrations in Depressed Patients After Therapy With Selective Serotonin Reuptake Inhibitors
Sanacora G, Mason GF, Rothman DL, Krystal JH. Increased Occipital Cortex GABA Concentrations in Depressed Patients After Therapy With Selective Serotonin Reuptake Inhibitors. American Journal Of Psychiatry 2002, 159: 663-665. PMID: 11925309, DOI: 10.1176/appi.ajp.159.4.663.Peer-Reviewed Original ResearchConceptsOccipital cortex GABA concentrationsSelective serotonin reuptake inhibitorsSerotonin reuptake inhibitorsGamma-aminobutyric acidGABA concentrationReuptake inhibitorsDepressed patientsMajor depressionMedication-free depressed patientsMonths of treatmentInitiation of treatmentTreatment of depressionCSF of individualsProton magnetic resonance spectroscopyLow GABA concentrationsSSRI medicationAntidepressant actionSSRI treatmentOccipital cortexDepressed subjectsTreatmentDepressionPatientsSignificant increaseCommon mechanism
2001
Reductions in Occipital Cortex GABA Levels in Panic Disorder Detected With 1H-Magnetic Resonance Spectroscopy
Goddard AW, Mason GF, Almai A, Rothman DL, Behar KL, Petroff OA, Charney DS, Krystal JH. Reductions in Occipital Cortex GABA Levels in Panic Disorder Detected With 1H-Magnetic Resonance Spectroscopy. JAMA Psychiatry 2001, 58: 556-561. PMID: 11386984, DOI: 10.1001/archpsyc.58.6.556.Peer-Reviewed Original ResearchConceptsOccipital cortex GABA levelsCortical GABA levelsGABA levelsGamma-aminobutyric acidPanic disorderOccipital cortex GABA concentrationsSex-matched control subjectsGABA neuronal functionHuman panic disorderMeasures of illnessPatient-control pairsBrain GABA levelsDSM-IV criteriaPreclinical evidenceMedication historyControl subjectsUnmedicated patientsGABA functionMajor depressionCurrent diagnosisNeuronal functionGABA concentrationPatientsReference limitsDisorders
1999
Reduced Cortical γ-Aminobutyric Acid Levels in Depressed Patients Determined by Proton Magnetic Resonance Spectroscopy
Sanacora G, Mason GF, Rothman DL, Behar KL, Hyder F, Petroff OA, Berman RM, Charney DS, Krystal JH. Reduced Cortical γ-Aminobutyric Acid Levels in Depressed Patients Determined by Proton Magnetic Resonance Spectroscopy. JAMA Psychiatry 1999, 56: 1043-1047. PMID: 10565505, DOI: 10.1001/archpsyc.56.11.1043.Peer-Reviewed Original ResearchConceptsProton magnetic resonance spectroscopyDepressed patientsGABA levelsMedication-free depressed patientsOccipital cortex GABA levelsVivo proton magnetic resonance spectroscopyCortical GABA concentrationsGamma-aminobutyric acid (GABA) systemΓ-aminobutyric acid (GABA) levelsBrain GABA levelsMagnetic resonance spectroscopy protocolHealthy control subjectsDSM-IV criteriaGABA neurotransmitter systemEffect of depressionInteraction of diagnosisControl subjectsMajor depressionNeurotransmitter systemsHealthy subjectsOccipital cortexNeurobiologic processesAnalysis of covarianceGABA concentrationMental illness