2004
Increased Brain GABA Concentrations Following Acute Administration of a Selective Serotonin Reuptake Inhibitor
Bhagwagar Z, Wylezinska M, Taylor M, Jezzard P, Matthews P, Cowen P. Increased Brain GABA Concentrations Following Acute Administration of a Selective Serotonin Reuptake Inhibitor. American Journal Of Psychiatry 2004, 161: 368-370. PMID: 14754790, DOI: 10.1176/appi.ajp.161.2.368.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidBrain GABA concentrationsAcute administrationGABA concentrationSelective serotonin reuptake inhibitor citalopramSelective serotonin reuptake inhibitorsSerotonin reuptake inhibitor citalopramCortical gamma-aminobutyric acidActions of SSRIsGABA/creatine ratiosReuptake inhibitor citalopramSerotonin reuptake inhibitorsGABA neuronsSSRI treatmentReuptake inhibitorsIntravenous citalopramDepressed patientsCreatine ratioHealthy volunteersCortical levelOccipital cortexCrossover designMean increaseMagnetic resonance spectroscopyMood improvement
2001
Pindolol Augmentation of Selective Serotonin Reuptake Inhibitors: PET Evidence That the Dose Used in Clinical Trials Is Too Low
Rabiner E, Bhagwagar Z, Gunn R, Sargent P, Bench C, Cowen P, Grasby P. Pindolol Augmentation of Selective Serotonin Reuptake Inhibitors: PET Evidence That the Dose Used in Clinical Trials Is Too Low. American Journal Of Psychiatry 2001, 158: 2080-2082. PMID: 11729033, DOI: 10.1176/appi.ajp.158.12.2080.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrainDepressive Disorder, MajorDose-Response Relationship, DrugDrug Administration ScheduleDrug Therapy, CombinationFemaleHumansMaleMiddle AgedPindololReceptors, SerotoninReceptors, Serotonin, 5-HT1Selective Serotonin Reuptake InhibitorsTomography, Emission-ComputedTreatment OutcomeConceptsPositron emission tomographyDose of pindololClinical trialsDepressed patientsSelective serotonin reuptake inhibitorsSignificant occupancyPresent clinical trialSerotonin reuptake inhibitorsPindolol augmentationAntidepressant medicationReuptake inhibitorsPET evidenceEmission tomographyPindololTrialsDoseAutoreceptorsMedicationsPatientsInconsistent resultsEfficacyVast majorityDosesPET measurement of the influence of corticosteroids on serotonin-1A receptor number
Montgomery A, Bench C, Young A, Hammers A, Gunn R, Bhagwagar Z, Grasby P. PET measurement of the influence of corticosteroids on serotonin-1A receptor number. Biological Psychiatry 2001, 50: 668-676. PMID: 11704073, DOI: 10.1016/s0006-3223(01)01205-7.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnti-Inflammatory AgentsBinding, CompetitiveDose-Response Relationship, DrugDouble-Blind MethodDrug Administration ScheduleFemaleHippocampusHumansHydrocortisoneHypothalamo-Hypophyseal SystemMaleMiddle AgedPituitary-Adrenal SystemReceptors, SerotoninReceptors, Serotonin, 5-HT1Tomography, Emission-ComputedConceptsPositron emission tomographyReceptor numberReceptor bindingPlacebo-controlled designInfluence of corticosteroidsSingle doseSerotonergic systemPreclinical studiesCorticosteroidsNormal subjectsModulatory effectsAlters 5Corticosteroid levelsBrain regionsEmission tomographyElevated levelsPET measurementsHippocampusHuman brainPatientsHydrocortisoneDoseBrainReceptors