2024
Differential interactions between gene expressions and stressors across the lifespan in major depressive disorder
Wang R, Su Y, O'Donnell K, Caron J, Meaney M, Meng X, Li Y. Differential interactions between gene expressions and stressors across the lifespan in major depressive disorder. Journal Of Affective Disorders 2024, 362: 688-697. PMID: 39029669, DOI: 10.1016/j.jad.2024.07.069.Peer-Reviewed Original ResearchMDD riskDepressive disorderPatterns of stressorsVulnerability-stress theoriesSusceptibility to MDDTranscriptome-wide association studyDimensions of stressorsLatent profile modelsLongitudinal community-based cohortPrefrontal cortexLifetime stressorsMDDGene expressionBrain amygdalaBasal gangliaStress researchNominal p-values <Southwest MontrealStressorsBrainFine-mapping analysisBrain cortexStudy cohortGenetic predispositionCortex
2023
Maternal prenatal depression is associated with dysregulation over the first five years of life moderated by child polygenic risk for comorbid psychiatric problems
Babineau V, Jolicoeur‐Martineau A, Szekely E, Green C, Sassi R, Gaudreau H, Levitan R, Lydon J, Steiner M, O'Donnell K, Kennedy J, Burack J, Wazana A. Maternal prenatal depression is associated with dysregulation over the first five years of life moderated by child polygenic risk for comorbid psychiatric problems. Developmental Psychobiology 2023, 65: e22395. PMID: 37338256, DOI: 10.1002/dev.22395.Peer-Reviewed Original ResearchConceptsMaternal prenatal depressionPolygenic risk scoresPrenatal depressionPsychiatric problemsChild psychiatric problemsComorbid psychiatric problemsChildhood psychiatric problemsMajor depressive disorderHigher dysregulationYears of lifeAttention deficit hyperactivity disorderDeficit hyperactivity disorderWeeks' gestationPsychiatric comorbidityPrenatal cohortDepressive disorderPostnatal depressionRisk scorePrenatal stressDepression symptomsMaternal educationGreater riskHyperactivity disorderDysregulationPolygenic risk
2022
To what extent do social support and coping strategies mediate the relation between childhood maltreatment and major depressive disorder: A longitudinal community-based cohort.
Li M, O'Donnell K, Caron J, Meaney M, Kobor M, D'Arcy C, Su Y, Liu A, Meng X. To what extent do social support and coping strategies mediate the relation between childhood maltreatment and major depressive disorder: A longitudinal community-based cohort. Development And Psychopathology 2022, 36: 50-61. PMID: 36102218, DOI: 10.1017/s0954579422000918.Peer-Reviewed Original ResearchMajor depressive disorderLongitudinal community-based cohortCommunity-based cohortDepressive disorderChildhood maltreatmentRisk of MDDSocial supportSubsequent major depressive disorderGenetic predispositionDirect effectPrevention programsSociodemographic characteristicsNegative copingNegative coping strategiesCoping strategiesPositive coping strategiesCohortDisordersPotential factorsPositive copingMediation analysisRobust evidenceDetrimental effectsCopingMaltreatmentIntegrative PheWAS analysis in risk categorization of major depressive disorder and identifying their associations with genetic variants using a latent topic model approach
Meng X, Wang M, O’Donnell K, Caron J, Meaney MJ, Li Y. Integrative PheWAS analysis in risk categorization of major depressive disorder and identifying their associations with genetic variants using a latent topic model approach. Translational Psychiatry 2022, 12: 240. PMID: 35676267, PMCID: PMC9177831, DOI: 10.1038/s41398-022-02015-8.Peer-Reviewed Original ResearchConceptsMajor depressive disorderRisk of MDDDepressive disorderMDD subtypesMDD diagnosisRisk categorizationMajor public health problemLongitudinal community-based cohortCommunity-based cohortRisk prediction toolsGenetic variantsPublic health problemPrevalent mental disordersRisk prediction modelMDD cohortMDD patientsGenetic predispositionHealth problemsEarly identificationMental disordersMDD casesPotential genetic variantsDisordersCohortSubtypes
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
2015
Symptoms of major depressive disorder subsequent to child maltreatment: Examining change across multiple levels of analysis to identify transdiagnostic risk pathways
Shenk CE, Griffin AM, O'Donnell KJ. Symptoms of major depressive disorder subsequent to child maltreatment: Examining change across multiple levels of analysis to identify transdiagnostic risk pathways. Development And Psychopathology 2015, 27: 1503-1514. PMID: 26535940, PMCID: PMC4774890, DOI: 10.1017/s0954579415000905.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMDD symptomsDepressive disorderRisk pathwaysChild maltreatmentPrevalent psychiatric conditionChild maltreatment populationSubstantiated child maltreatmentPsychiatric conditionsSymptomsClinical interventionsSaliva samplesLaboratory stressorDirect targetingFemale adolescentsCertain childrenChildrenEmotion regulationDisordersComparison conditionSignificant indirect effectCurrent studyMaltreatmentPathwayEmotion dysregulation