2023
A Glucocorticoid-Sensitive Hippocampal Gene Network Moderates the Impact of Early-Life Adversity on Mental Health Outcomes
Arcego D, Buschdorf J, O'Toole N, Wang Z, Barth B, Pokhvisneva I, Rayan N, Patel S, de Mendonça Filho E, Lee P, Tan J, Koh M, Sim C, Parent C, de Lima R, Clappison A, O'Donnell K, Dalmaz C, Arloth J, Provençal N, Binder E, Diorio J, Silveira P, Meaney M. A Glucocorticoid-Sensitive Hippocampal Gene Network Moderates the Impact of Early-Life Adversity on Mental Health Outcomes. Biological Psychiatry 2023, 95: 48-61. PMID: 37406925, DOI: 10.1016/j.biopsych.2023.06.028.Peer-Reviewed Original ResearchConceptsHippocampal dentate gyrusDentate gyrusPsychiatric disordersHuman hippocampal cellsBrain gray matter densityEarly adversitySingle nucleotide polymorphismsMultiple psychiatric conditionsEarly life adversityGray matter densityAdult female macaquesMental health outcomesTranscriptional activityGlucocorticoid exposureNucleotide polymorphismsLater psychosisStress mediatorsHippocampal cellsPsychotic disordersAnimal modelsHealth outcomesPsychiatric conditionsSignificant associationFemale macaquesMental health
2021
DCC gene network in the prefrontal cortex is associated with total brain volume in childhood
Morgunova A, Pokhvisneva I, Nolvi S, Entringer S, Wadhwa P, Gilmore J, Styner M, Buss C, Sassi RB, Hall GBC, O'Donnell KJ, Meaney MJ, Silveira PP, Flores CA. DCC gene network in the prefrontal cortex is associated with total brain volume in childhood. Journal Of Psychiatry And Neuroscience 2021, 46: e154-e163. PMID: 33206040, PMCID: PMC7955849, DOI: 10.1503/jpn.200081.Peer-Reviewed Original ResearchConceptsTotal brain volumeExpression-based polygenic risk scoreBrain volumePrefrontal cortexSingle nucleotide polymorphismsHigher total brain volumeCommunity-based cohortChildren 1.5Polygenic risk scoresMaternal adversityRisk scoreIndependent cohortReplication cohortCohortCortexBrain developmentChildren 8Donor databaseSmall sample sizeEffect sizeReplication analysis
2019
A biologically-informed polygenic score identifies endophenotypes and clinical conditions associated with the insulin receptor function on specific brain regions
Dass S, McCracken K, Pokhvisneva I, Chen LM, Garg E, Nguyen TTT, Wang Z, Barth B, Yaqubi M, McEwen LM, MacIsaac JL, Diorio J, Kobor MS, O'Donnell KJ, Meaney MJ, Silveira PP. A biologically-informed polygenic score identifies endophenotypes and clinical conditions associated with the insulin receptor function on specific brain regions. EBioMedicine 2019, 42: 188-202. PMID: 30922963, PMCID: PMC6491717, DOI: 10.1016/j.ebiom.2019.03.051.Peer-Reviewed Original ResearchMeSH KeywordsBrainEndophenotypesFemaleGene Expression ProfilingGene Expression RegulationGene Regulatory NetworksGenetic Association StudiesGenetic Predisposition to DiseaseGenome-Wide Association StudyHippocampusHumansMalePhenotypePolymorphism, Single NucleotideReceptor, InsulinReproducibility of ResultsConceptsCognitive performancePolygenic scoresRelated mental disordersChild impulsivityIndividual differencesSpecific brain regionsInhibitory controlNeurobiological mechanismsCommunity sampleBrain regionsConventional GWASMesocorticolimbic systemImpulsivityMental disordersPsychopathologyAddictionNeural functionEndophenotypesAlzheimer's diseaseScoresADHDDisordersMemoryFunctioningGenetic score
2017
Effects of Antenatal Maternal Depressive Symptoms and Socio-Economic Status on Neonatal Brain Development are Modulated by Genetic Risk
Qiu A, Shen M, Buss C, Chong YS, Kwek K, Saw SM, Gluckman PD, Wadhwa PD, Entringer S, Styner M, Karnani N, Heim CM, O'Donnell KJ, Holbrook JD, Fortier MV, Meaney MJ, . Effects of Antenatal Maternal Depressive Symptoms and Socio-Economic Status on Neonatal Brain Development are Modulated by Genetic Risk. Cerebral Cortex 2017, 27: 1-13. PMID: 28334351, PMCID: PMC6057508, DOI: 10.1093/cercor/bhx065.Peer-Reviewed Original ResearchMeSH KeywordsAsian PeopleBrainBrain MappingCohort StudiesComputational BiologyDepressive Disorder, MajorFemaleFetal DevelopmentGene Regulatory NetworksGenotypeGestational AgeHumansImage Processing, Computer-AssistedInfant, NewbornMagnetic Resonance ImagingMaleMaternal-Fetal RelationsPolymorphism, Single NucleotidePregnancyPrenatal Exposure Delayed EffectsSocial ClassConceptsMaternal depressive symptomsDepressive symptomsHippocampal volumeRight amygdalaRight hippocampal volumeGlutamate receptor activityNeonatal brain developmentMajor depressive disorderRight amygdala volumeMother-infant dyadsFetal neurodevelopmentAmericas cohortAsian cohortDepressive disorderNeurotrophic signalingRight hippocampusCognitive-emotional functionRisk scoreAmygdala volumeSignificant interactionFetal developmentVentromedial prefrontal cortexSocio-economic statusBrain regionsReceptor activity