Featured Publications
Modeling gene × environment interactions in PTSD using human neurons reveals diagnosis-specific glucocorticoid-induced gene expression
Seah C, Breen M, Rusielewicz T, Bader H, Xu C, Hunter C, McCarthy B, Deans P, Chattopadhyay M, Goldberg J, Desarnaud F, Makotkine I, Flory J, Bierer L, Staniskyte M, Noggle S, Huckins L, Paull D, Brennand K, Yehuda R. Modeling gene × environment interactions in PTSD using human neurons reveals diagnosis-specific glucocorticoid-induced gene expression. Nature Neuroscience 2022, 25: 1434-1445. PMID: 36266471, PMCID: PMC9630117, DOI: 10.1038/s41593-022-01161-y.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderPeripheral blood mononuclear cellsGlucocorticoid-induced changesGlucocorticoid-induced gene expressionBlood mononuclear cellsIndividual clinical outcomesEnvironmental risk factorsHuman postmortem brainGlucocorticoid hypersensitivityClinical outcomesGlutamatergic neuronsMononuclear cellsRisk factorsHydrocortisone exposureSevere traumaPostmortem brainsHuman neuronsGlucocorticoid responseInduced neuronsStress disorderNeuronsNew therapeuticsGene expressionGene × environment interactionsCombat veterans
2023
29. GENE EXPRESSION ASSOCIATIONS WITH TRAUMA IN HUMAN POSTMORTEM BRAIN
Hicks E, Seah C, Cote A, Ciarcia J, Chakka A, Group T, Brennand K, Nestler E, Girgenti M, Huckins L. 29. GENE EXPRESSION ASSOCIATIONS WITH TRAUMA IN HUMAN POSTMORTEM BRAIN. European Neuropsychopharmacology 2023, 75: s72. DOI: 10.1016/j.euroneuro.2023.08.139.Peer-Reviewed Original ResearchMajor depressive disorderPost-traumatic stress disorderHuman postmortem brainPostmortem brainsPsychiatric disordersNeurobiological consequencesTranscriptional signatureMajor precipitating factorEarly life stressCase/control statusGene expression associationsType of traumaStress-related disordersTrauma measuresTrauma-exposed individualsTraumatic Stress DisorderExpression associationsBrain donorsDepressive disorderMale miceFrontal cortexPrecipitating factorsMouse modelAnimal modelsPsychosocial stressModeling Gene by Environment Interactions in Post-Traumatic Stress Disorder Across the Post-Mortem Brain and in hiPSC-Derived Neurons
Seah C, Signer R, Young H, Rusielewicz T, Bader H, Xu C, dePins A, Breen M, Paull D, Girgenti M, Yehuda R, Brennand K, Huckins L. Modeling Gene by Environment Interactions in Post-Traumatic Stress Disorder Across the Post-Mortem Brain and in hiPSC-Derived Neurons. Biological Psychiatry 2023, 93: s11. DOI: 10.1016/j.biopsych.2023.02.048.Peer-Reviewed Original Research
2021
Transcriptional Perturbations to Glucocorticoids Across Blood and Brain Cells Derived From Individuals With Post-Traumatic Stress Disorder
Breen M, Bierer L, Bader H, Xu C, Flory J, Rusielewicz T, Brennand K, Yehuda R. Transcriptional Perturbations to Glucocorticoids Across Blood and Brain Cells Derived From Individuals With Post-Traumatic Stress Disorder. Biological Psychiatry 2021, 89: s18-s19. DOI: 10.1016/j.biopsych.2021.02.066.Peer-Reviewed Original Research In PressPost-traumatic stress disorderBrain cellsStress disorderTranscriptional perturbationsGlucocorticoidsBlood
2019
Differential transcriptional response following glucocorticoid activation in cultured blood immune cells: a novel approach to PTSD biomarker development
Breen MS, Bierer LM, Daskalakis NP, Bader HN, Makotkine I, Chattopadhyay M, Xu C, Buxbaum Grice A, Tocheva AS, Flory JD, Buxbaum JD, Meaney MJ, Brennand K, Yehuda R. Differential transcriptional response following glucocorticoid activation in cultured blood immune cells: a novel approach to PTSD biomarker development. Translational Psychiatry 2019, 9: 201. PMID: 31434874, PMCID: PMC6704073, DOI: 10.1038/s41398-019-0539-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkersConstitutive Androstane ReceptorDexamethasoneDose-Response Relationship, DrugGene ExpressionGene Expression ProfilingGene Regulatory NetworksGlucocorticoidsHumansLeukocytes, MononuclearMaleMiddle AgedStress Disorders, Post-TraumaticTranscription, GeneticVeteransYoung AdultConceptsPeripheral blood mononuclear cellsPost-traumatic stress disorderGlucocorticoid signalingCultured peripheral blood mononuclear cellsBlood immune cellsBlood mononuclear cellsTranscriptional responseConcentrations of dexamethasoneDifferential transcriptional changesGenome-wide gene expression profilingCombat-exposed veteransStress-responsive pathwaysMolecular responseClinical manifestationsInflammatory cytokinesDynamic transcriptional responseMononuclear cellsApoptosis-related pathwaysImmune cellsBaseline differencesDifferential transcriptional responsesDifferential molecular responsesGlucocorticoid stimulationNovel markerReliable marker