2022
Polygenic risk score and peer victimisation independently predict depressive symptoms in adolescence: results from the Quebec Longitudinal Study of Children Development
Perret LC, Boivin M, Morneau‐Vaillancourt G, Andlauer TFM, Paquin S, Langevin S, Girard A, Turecki G, O'Donnell K, Tremblay RE, Côté SM, Gouin J, Ouellet‐Morin I, Geoffroy M. Polygenic risk score and peer victimisation independently predict depressive symptoms in adolescence: results from the Quebec Longitudinal Study of Children Development. Journal Of Child Psychology And Psychiatry 2022, 64: 388-396. PMID: 36124742, DOI: 10.1111/jcpp.13706.Peer-Reviewed Original ResearchConceptsDepressive symptomsGenetic predispositionQuebec Longitudinal StudyPolygenic risk scoresRisk scoreSelf-reported depressive symptomsLongitudinal studyIndividual genetic predispositionSuch gene-environment interactionsGene-environment interactionsSuch symptomsSymptomsDepressionChild developmentPredispositionAdolescencePeer victimisationFuture studiesEarly adolescenceScoresRiskAdolescentsAssociation
2020
Genetically predicted gene expression of prefrontal DRD4 gene and the differential susceptibility to childhood emotional eating in response to positive environment
Barth B, Bizarro L, Miguel PM, Dubé L, Levitan R, O'Donnell K, Meaney MJ, Silveira PP. Genetically predicted gene expression of prefrontal DRD4 gene and the differential susceptibility to childhood emotional eating in response to positive environment. Appetite 2020, 148: 104594. PMID: 31927071, DOI: 10.1016/j.appet.2020.104594.Peer-Reviewed Original ResearchMeSH KeywordsAdultChild BehaviorChild DevelopmentChild, PreschoolCohort StudiesEatingEmotionsFamily ConflictFeeding BehaviorFemaleGene ExpressionGenetic Predisposition to DiseaseHumansHyperphagiaInfantInfant, NewbornMachine LearningMaleMother-Child RelationsMothersObesityReceptors, Dopamine D4SingaporeSocial EnvironmentConceptsPositive environmentEmotional eatingEating Behavior QuestionnaireChildren's Eating Behaviour QuestionnaireGenetic differential susceptibilityDopamine D4 receptor geneD4 receptor geneBehavior QuestionnaireMonths of agePositive outcomesDRD4 genePositive settingEatingDifferential susceptibilityMAVANFurther evidenceOutcome measuresDRD4Susceptibility stateAdverse environmentsIndividualsQuestionnaireMeasuresDesireEvidence
2018
Maternal antenatal mood and child development: an exploratory study of treatment effects on child outcomes up to 5 years
Milgrom J, Holt CJ, Bleker LS, Holt C, Ross J, Ericksen J, Glover V, O’Donnell K, de Rooij SR, Gemmill AW. Maternal antenatal mood and child development: an exploratory study of treatment effects on child outcomes up to 5 years. Journal Of Developmental Origins Of Health And Disease 2018, 10: 221-231. PMID: 30303063, DOI: 10.1017/s2040174418000739.Peer-Reviewed Original ResearchMeSH KeywordsAnxietyBehavior Rating ScaleChild BehaviorChild DevelopmentChild, PreschoolCognitive Behavioral TherapyDepressionFemaleFollow-Up StudiesHumansIntelligence TestsLongitudinal StudiesMaleMothersParent-Child RelationsPregnancyPregnancy ComplicationsPrenatal Exposure Delayed EffectsRandomized Controlled Trials as TopicSeverity of Illness IndexTreatment OutcomeConceptsChild Behavior ChecklistParenting Stress IndexNeurodevelopmental outcomesChild developmentHigher CBCLIntervention effectsAntenatal depression treatmentMaternal antenatal depressionAdverse neurodevelopmental outcomesInfant neurodevelopmental outcomesAge 2Age 5Cognitive behavioral therapyWPPSI-III scoresNon-significant trendPSI total scoreAntenatal moodAntenatal depressionRoutine careDepression treatmentOriginal cohortTreatment allocationIntervention groupLong-term effectsEffective treatmentThe early care environment and DNA methylome variation in childhood
Garg E, Chen L, Nguyen TTT, Pokhvisneva I, Chen LM, Unternaehrer E, MacIsaac JL, McEwen LM, Mah SM, Gaudreau H, Levitan R, Moss E, Sokolowski MB, Kennedy JL, Steiner MS, Meaney MJ, Holbrook JD, Silveira PP, Karnani N, Kobor MS, O'Donnell KJ. The early care environment and DNA methylome variation in childhood. Development And Psychopathology 2018, 30: 891-903. PMID: 30068421, DOI: 10.1017/s0954579418000627.Peer-Reviewed Original ResearchConceptsGenome-wide DNA methylationDNA methylationGenetic variationGenetic dataEarly care environmentsMethylome variationInfant attachment styleInfant attachmentEpigenetic modificationsAttachment styleBuccal epithelial samplesMethylationMolecular signaturesPrenatal adversityGenetic contributionInfant developmentChild genetic variationInfant cognitive developmentDisorganized attachment styleLater mental health problemsNegative effectsEarly intervention programsChild mental healthMental health problemsCognitive development
2017
Cumulative prenatal exposure to adversity reveals associations with a broad range of neurodevelopmental outcomes that are moderated by a novel, biologically informed polygenetic score based on the serotonin transporter solute carrier family C6, member 4 (SLC6A4) gene expression
Silveira PP, Pokhvisneva I, Parent C, Cai S, Rema ASS, Broekman BFP, Rifkin-Graboi A, Pluess M, O'Donnell KJ, Meaney MJ. Cumulative prenatal exposure to adversity reveals associations with a broad range of neurodevelopmental outcomes that are moderated by a novel, biologically informed polygenetic score based on the serotonin transporter solute carrier family C6, member 4 (SLC6A4) gene expression. Development And Psychopathology 2017, 29: 1601-1617. PMID: 29162172, DOI: 10.1017/s0954579417001262.Peer-Reviewed Original ResearchConceptsEarly life adversityNeurodevelopmental outcomesPrenatal adversityChild Behavior ChecklistGenetic scoreAdversity scoreLife adversityCommunity birth cohortYears of agePervasive developmental problemsMaternal smokingGestational ageBirth weightLater riskPrenatal exposureAdverse exposuresBehavioral alterationsBirth cohortSerotonin transporter geneFetal periodPostnatal influencesPrefrontal cortexRelevant single nucleotide polymorphismsSerotonin transporterPrenatal lifeBroader Focus Required to Understand the Effects of the Perinatal Environment on Child Neurodevelopment: Response to Bell and Chimata
O'Donnell KJ, Meaney MJ. Broader Focus Required to Understand the Effects of the Perinatal Environment on Child Neurodevelopment: Response to Bell and Chimata. American Journal Of Psychiatry 2017, 174: 999-1000. PMID: 28965461, DOI: 10.1176/appi.ajp.2017.17040376r.BooksDynamic interaction between fetal adversity and a genetic score reflecting dopamine function on developmental outcomes at 36 months
Bischoff AR, Pokhvisneva I, Léger É, Gaudreau H, Steiner M, Kennedy JL, O’Donnell K, Diorio J, Meaney MJ, Silveira PP, . Dynamic interaction between fetal adversity and a genetic score reflecting dopamine function on developmental outcomes at 36 months. PLOS ONE 2017, 12: e0177344. PMID: 28505190, PMCID: PMC5432105, DOI: 10.1371/journal.pone.0177344.Peer-Reviewed Original Research
2013
Stressful events and psychological difficulties: testing alternative candidates for sensitivity
Laceulle OM, O’Donnell K, Glover V, O’Connor T, Ormel J, van Aken MA, Nederhof E. Stressful events and psychological difficulties: testing alternative candidates for sensitivity. European Child & Adolescent Psychiatry 2013, 23: 103-113. PMID: 23756816, DOI: 10.1007/s00787-013-0436-4.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAffective SymptomsAnxiety DisordersChildChild DevelopmentChild of Impaired ParentsChild, PreschoolDisease SusceptibilityFemaleHumansLife Change EventsMaleMothersPregnancyPrenatal Exposure Delayed EffectsProspective StudiesRisk FactorsSex FactorsSocial EnvironmentSocioeconomic FactorsStress, PsychologicalSurveys and QuestionnairesTime FactorsConceptsPsychological difficultiesStressful eventsDifficult temperamentPrenatal anxietyLife eventsSources of sensitivityStressful life eventsPrenatal maternal anxietyChild developmentReciprocal associationsAge 7Maternal anxietyAge 4Child's ageTemperamentLongitudinal studyStress exposureAnxietyEarly childhoodCurrent studyConsistent evidenceChildrenPrior workDifficultiesAdditional research