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
2024
209 Transcriptomic Analysis of the Post-mortem Brain in Intracranial Atherosclerosis Implicates Interferon Signaling
Seah C, Devarajan A, Jurczyszak D, Chakka A, Huckins L, Brennand K, Girgenti M. 209 Transcriptomic Analysis of the Post-mortem Brain in Intracranial Atherosclerosis Implicates Interferon Signaling. Neurosurgery 2024, 70: 55-56. DOI: 10.1227/neu.0000000000002809_209.Peer-Reviewed Original ResearchIntracranial atherosclerotic stenosisIntracranial arteriesInterferon-inducible genesInterferon signalingPeripheral atherosclerosisCerebral atherosclerosisExpression of interferon-inducible genesGlial cellsSymptomatic intracranial atherosclerotic stenosisInduced pluripotent stem cellsPost-mortem brainsWorsened functional outcomesHuman induced pluripotent stem cellsUpregulation of interferon inducible genesCause of ischemic strokePluripotent stem cellsRisk of atherosclerosisLipid-rich plaquesRisk factor managementClinical outcomesPoor prognosisExcitatory neuronsIncreased morbidityHistopathological profileFunctional outcomes
2015
Characterization of molecular and cellular phenotypes associated with a heterozygous CNTNAP2 deletion using patient-derived hiPSC neural cells
Lee I, Carvalho C, Douvaras P, Ho S, Hartley B, Zuccherato L, Ladran I, Siegel A, McCarthy S, Malhotra D, Sebat J, Rapoport J, Fossati V, Lupski J, Levy D, Brennand K. Characterization of molecular and cellular phenotypes associated with a heterozygous CNTNAP2 deletion using patient-derived hiPSC neural cells. Schizophrenia 2015, 1: 15019. PMID: 26985448, PMCID: PMC4789165, DOI: 10.1038/npjschz.2015.19.Peer-Reviewed Original ResearchClinical outcomesCNTNAP2 expressionHiPSC neural progenitor cellsDiscordant clinical outcomesHiPSC-derived neuronsOligodendrocyte precursor cellsNeural progenitor cellsContactin-associated proteinHuman neuronsAnimal modelsClinical settingGenetic deletionExpression patternsNeural cellsProgenitor cellsLarge heterozygous deletionsNeurodevelopmental disordersPrecursor cellsDisordersComplex disorderHeterozygous deletionSignificant differencesNeuronsStem cellsExon 14