2006
γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment
Krystal JH, Staley J, Mason G, Petrakis IL, Kaufman J, Harris RA, Gelernter J, Lappalainen J. γ-Aminobutyric Acid Type A Receptors and Alcoholism: Intoxication, Dependence, Vulnerability, and Treatment. JAMA Psychiatry 2006, 63: 957-968. PMID: 16952998, DOI: 10.1001/archpsyc.63.9.957.Peer-Reviewed Original ResearchConceptsBrain GABA systemsGABA systemAlcohol dependenceWithdrawal symptomsGABA functionGamma-aminobutyric acid (GABA) functionCortical GABA levelsAlcohol withdrawal symptomsΓ-Aminobutyric Acid Type A ReceptorsEnvironmental risk factorsLong-term alcohol effectsType A ReceptorsAlcohol-dependent individualsLong-term sobrietyGABA releaseNeurosteroid levelsAcute withdrawalAlcoholism vulnerabilityGABA neurotransmissionRisk factorsGABA levelsExtrasynaptic locationsLow chloride conductanceReceptor densityTonic component
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 severitySex, 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 disorders
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 womenGlutamate and GABA systems as targets for novel antidepressant and mood-stabilizing treatments
Krystal JH, Sanacora G, Blumberg H, Anand A, Charney DS, Marek G, Epperson CN, Goddard A, Mason GF. Glutamate and GABA systems as targets for novel antidepressant and mood-stabilizing treatments. Molecular Psychiatry 2002, 7: s71-s80. PMID: 11986998, DOI: 10.1038/sj.mp.4001021.Peer-Reviewed Original ResearchConceptsCortical GABA levelsMood-stabilizing treatmentMood disordersGABA levelsΓ-amino-butyric acid (GABA) systemMood-stabilizing agentsGlutamate receptor functionDevelopment of medicationsGABA deficitAvailable antidepressantsGABAergic modulationAntimanic effectsGlutamatergic activityClinical evidenceNovel antidepressantsGABA systemAntidepressant drugsNew agentsReceptor functionAvailable evidenceReceptor targetsAntidepressantsDisordersGlutamateTreatment
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
Preliminary Evidence of Low Cortical GABA Levels in Localized 1H-MR Spectra of Alcohol-Dependent and Hepatic Encephalopathy Patients
Behar KL, Rothman DL, Petersen KF, Hooten M, Delaney R, Petroff OA, Shulman GI, Navarro V, Petrakis IL, Charney DS, Krystal JH. Preliminary Evidence of Low Cortical GABA Levels in Localized 1H-MR Spectra of Alcohol-Dependent and Hepatic Encephalopathy Patients. American Journal Of Psychiatry 1999, 156: 952-954. PMID: 10360140, DOI: 10.1176/ajp.156.6.952.Peer-Reviewed Original ResearchConceptsHepatic encephalopathy patientsEncephalopathy patientsGamma-aminobutyric acidHealthy subjectsCortical GABA levelsGABA-ergic systemDetoxified alcohol-dependent patientsAlcohol-dependent patientsNeuroactive amino acidsCerebral cortexGABA levelsOccipital cortexPatientsMetabolite levelsPreliminary evidenceCortexSubjectsLevelsDisease
1997
496 Preliminary assessment of cortical gaba levels in schizophrenics using magnetic resonance spectroscopy
Behar K, Rothman D, D’Souza D, Gil R, Petroff O, Abi-Saab D, Zuzarte E, Hooten M, Petrakis I, Sernyak M, White J, Webb E, Charnay D, Krystal J. 496 Preliminary assessment of cortical gaba levels in schizophrenics using magnetic resonance spectroscopy. Schizophrenia Research 1997, 24: 175-176. DOI: 10.1016/s0920-9964(97)82504-2.Peer-Reviewed Original Research