2020
Ketamine Normalizes the Structural Alterations of Inferior Frontal Gyrus in Depression
Dai D, Lacadie CM, Holmes SE, Cool R, Anticevic A, Averill C, Abdallah C, Esterlis I. Ketamine Normalizes the Structural Alterations of Inferior Frontal Gyrus in Depression. Chronic Stress 2020, 4: 2470547020980681. PMID: 33426409, PMCID: PMC7758564, DOI: 10.1177/2470547020980681.Peer-Reviewed Original ResearchMajor depressive disorderPost-traumatic stress disorderMagnetic resonance imagingAcute ketamine administrationKetamine administrationKetamine infusionMDD subjectsInferior frontal gyrusComorbid post-traumatic stress disorderPTSD groupAcute ketamine treatmentFrontal gyrusHealthy control subjectsIntravenous ketamine infusionRegional volume differencesImpact of ketamineSingle ketamine infusionStructural alterationsFuture therapeutic targetsVoxel-wise t-testsKetamine treatmentControl subjectsDepressive disorderHC groupPTSD subjects
2018
Molecular and cellular studies of PTSD: Postmortem transcriptome analysis and novel therapeutic targets
Duman RS, Girgenti MJ. Molecular and cellular studies of PTSD: Postmortem transcriptome analysis and novel therapeutic targets. Journal Of Neuroscience Research 2018, 97: 292-299. PMID: 30136735, DOI: 10.1002/jnr.24306.Peer-Reviewed Original ResearchConceptsFear memoryPrefrontal cortexPTSD patientsFear memory processesNeurobiology of PTSDMemory processesInhibitory controlNeurobiological underpinningsPFC subregionsPTSD subjectsPTSDMemory studiesBrain regionsMemorySpecific gene expression alterationsNovel therapeutic targetPostmortem brain tissueEfficacious treatmentNeurobiologySynaptic alterationsSynapse numberEarlier findingsRodent modelsTherapeutic targetGene expression alterations
2015
Decreased SGK1 Expression and Function Contributes to Behavioral Deficits Induced by Traumatic Stress
Licznerski P, Duric V, Banasr M, Alavian KN, Ota KT, Kang HJ, Jonas EA, Ursano R, Krystal JH, Duman RS. Decreased SGK1 Expression and Function Contributes to Behavioral Deficits Induced by Traumatic Stress. PLOS Biology 2015, 13: e1002282. PMID: 26506154, PMCID: PMC4623974, DOI: 10.1371/journal.pbio.1002282.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsBehavior, AnimalCohort StudiesDendritic SpinesDepressive Disorder, MajorEnzyme RepressionFemaleGene Transfer TechniquesHippocampusHumansImmediate-Early ProteinsMaleMiddle AgedNerve Tissue ProteinsNeuronsPrefrontal CortexProtein Serine-Threonine KinasesRats, Sprague-DawleySignal TransductionStress Disorders, Post-TraumaticSynaptic TransmissionTissue BanksConceptsMajor depressive disorderPost-traumatic stress disorderPrefrontal cortexAbnormal dendritic spine morphologyCorticolimbic brain regionsAnhedonic-like behaviorInhibition of SGK1Dendritic spine morphologyKinase 1 expressionAmygdala of individualsTraumatic stressPostmortem prefrontal cortexSynaptic dysfunctionDepressive disorderBehavioral deficitsRodent modelsPTSD subjectsFunctional alterationsBrain regionsSGK1 expressionSpine morphologyStress disorderFunction contributesBehavioral changesDisorders
2006
Decreased Cerebrospinal Fluid Allopregnanolone Levels in Women with Posttraumatic Stress Disorder
Rasmusson AM, Pinna G, Paliwal P, Weisman D, Gottschalk C, Charney D, Krystal J, Guidotti A. Decreased Cerebrospinal Fluid Allopregnanolone Levels in Women with Posttraumatic Stress Disorder. Biological Psychiatry 2006, 60: 704-713. PMID: 16934764, DOI: 10.1016/j.biopsych.2006.03.026.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPremenopausal womenALLO levelsStress disorderCerebrospinal fluid levelsPTSD re-experiencing symptomsAllopregnanolone levelsOral contraceptivesGABAergic neurotransmissionDHEAS levelsPsychotropic medicationsFollicular phaseMenstrual cycleDHEA ratioExcitatory neurotransmissionNeurotransmitter systemsRe-experiencing symptomsDepressive symptomsPTSD subjectsFluid levelsGroup differencesIllicit drugsWomenNeurotransmissionProgesterone
2004
An Increased Capacity for Adrenal DHEA Release is Associated with Decreased Avoidance and Negative Mood Symptoms in Women with PTSD
Rasmusson AM, Vasek J, Lipschitz DS, Vojvoda D, Mustone ME, Shi Q, Gudmundsen G, Morgan CA, Wolfe J, Charney DS. An Increased Capacity for Adrenal DHEA Release is Associated with Decreased Avoidance and Negative Mood Symptoms in Women with PTSD. Neuropsychopharmacology 2004, 29: 1546-1557. PMID: 15199367, DOI: 10.1038/sj.npp.1300432.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderNegative mood symptomsAdrenal cortisol responsePremenopausal womenMood symptomsPTSD subjectsCortisol responseDHEA releaseAdrenal activationClinician-Administered PTSD Scale scoresChronic post-traumatic stress disorderHPA axis adaptationCorticotropin-releasing factorSeverity of PTSDEndogenous plasma levelsNontraumatized subjectsAdrenal axisDHEAS levelsPlasma levelsAdrenocorticotropic hormonePituitary ACTHProgesterone levelsDHEA responsesHealthy individualsAntiglucocorticoid mifepristone
2003
Salivary Cortisol Responses to Dexamethasone in Adolescents With Posttraumatic Stress Disorder
LIPSCHITZ DS, RASMUSSON AM, YEHUDA R, WANG S, ANYAN W, GUEOGUIEVA R, GRILO CM, FEHON DC, SOUTHWICK SM. Salivary Cortisol Responses to Dexamethasone in Adolescents With Posttraumatic Stress Disorder. Journal Of The American Academy Of Child & Adolescent Psychiatry 2003, 42: 1310-1317. PMID: 14566168, DOI: 10.1097/01.chi.0000084832.67701.0d.Peer-Reviewed Original ResearchConceptsLow-dose dexamethasonePosttraumatic stress disorderSalivary cortisolStress disorderCo-occurring major depressionCurrent posttraumatic stress disorderAdrenal (HPA) axis abnormalitiesBaseline saliva samplesSalivary cortisol responseSalivary cortisol levelsEnhanced suppressionAxis abnormalitiesAdrenal axisPresent studyMajor depressionDexamethasone levelsTrauma controlsPTSD subjectsCortisol responseDay 1Cortisol levelsDexamethasoneCortisolSaliva samplesNontraumatized controls
1999
Neural correlates of exposure to traumatic pictures and sound in Vietnam combat veterans with and without posttraumatic stress disorder: a positron emission tomography study
Bremner J, Staib L, Kaloupek D, Southwick S, Soufer R, Charney D. Neural correlates of exposure to traumatic pictures and sound in Vietnam combat veterans with and without posttraumatic stress disorder: a positron emission tomography study. Biological Psychiatry 1999, 45: 806-816. PMID: 10202567, PMCID: PMC3233761, DOI: 10.1016/s0006-3223(98)00297-2.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderNon-PTSD subjectsBlood flowVietnam combat veteransCerebral blood flow responseStress disorderBlood flow responsePositron emission tomography studySymptoms of patientsCerebral blood flowSubcortical brain areasEmission tomography studiesCombat veteransMedial prefrontal cortexPositron emission tomographyInferior parietal cortexNeural correlatesVisuospatial processingPTSD subjectsPTSD patientsBrain areasLingual gyrusAnterior cingulatePosterior cingulateParietal cortex
1995
Yohimbine facilitated acoustic startle in combat veterans with post-traumatic stress disorder
Morgan CA, Grillon C, Southwick SM, Nagy LM, Davis M, Krystal JH, Charney DS. Yohimbine facilitated acoustic startle in combat veterans with post-traumatic stress disorder. Psychopharmacology 1995, 117: 466-471. PMID: 7604149, DOI: 10.1007/bf02246220.Peer-Reviewed Original ResearchConceptsAcoustic startle reflexRandomized double-blind placebo-controlled designCombat controlsDouble-blind placebo-controlled designAlpha-2 receptor antagonistEffects of yohimbinePlacebo-controlled designHealthy human controlsCombat veteransPost-traumatic stress disorderSevere stress resultsHealthy combat controlsInstantaneous rise timeSaline placeboCardiovascular effectsExcitatory effectsNeuronal reactivityNoradrenergic functionReceptor antagonistClinical studiesAcoustic startleYohimbinePTSD patientsPTSD subjectsNeurochemical basis
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