2023
Independent Prediction of Child Psychiatric Symptoms by Maternal Mental Health and Child Polygenic Risk Scores
Chen L, Pokhvisneva I, Lahti-Pulkkinen M, Kvist T, Baldwin J, Parent C, Silveira P, Lahti J, Räikkönen K, Glover V, O'Connor T, Meaney M, O'Donnell K. Independent Prediction of Child Psychiatric Symptoms by Maternal Mental Health and Child Polygenic Risk Scores. Journal Of The American Academy Of Child & Adolescent Psychiatry 2023, 63: 640-651. PMID: 37977417, PMCID: PMC11105503, DOI: 10.1016/j.jaac.2023.08.018.Peer-Reviewed Original ResearchPrenatal maternal depressionMaternal mental healthMaternal depressionAttention-deficit/hyperactivity disorderChild psychiatric symptomsPolygenic risk scoresPsychiatric symptomsRisk scoreMental healthFetal originGenomic riskAvon Longitudinal StudySimilar independent effectsAdolescent psychiatric symptomsHealth hypothesisMaternal symptomsChild CohortIndependent cohortBehavioral symptomsALSPAC cohortMental disordersSymptom dataSymptomsCohortChildren's symptomsAssociations between epigenetic aging and childhood peer victimization, depression, and suicidal ideation in adolescence and adulthood: A study of two population-based samples
Perret L, Geoffroy M, Barr E, Parnet F, Provencal N, Boivin M, O'Donnell K, Suderman M, Power C, Turecki G, Ouellet-Morin I. Associations between epigenetic aging and childhood peer victimization, depression, and suicidal ideation in adolescence and adulthood: A study of two population-based samples. Frontiers In Cell And Developmental Biology 2023, 10: 1051556. PMID: 36712964, PMCID: PMC9879289, DOI: 10.3389/fcell.2022.1051556.Peer-Reviewed Original ResearchDepressive symptomsSuicidal ideationEpigenome-wide DNA methylationHigh riskHigher depressive symptom scoresSelf-reported depressive symptomsDepressive symptom scoresTwo-cohort studyEpigenetic agingPopulation-based sampleEpigenetic indexBritish birth cohortChildhood peer victimizationQuebec Longitudinal StudySymptom scoresCohort 1Birth cohortSymptomsDNA methylation markersCohortPace of agingCandidate gene studiesLongitudinal studyIdeationMethylation markers
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
2021
Internalizing symptoms associate with the pace of epigenetic aging in childhood
Tollenaar MS, Beijers R, Garg E, Nguyen TTT, Lin DTS, MacIsaac JL, Shalev I, Kobor MS, Meaney MJ, O'Donnell KJ, de Weerth C. Internalizing symptoms associate with the pace of epigenetic aging in childhood. Biological Psychology 2021, 159: 108021. PMID: 33460784, DOI: 10.1016/j.biopsycho.2021.108021.Peer-Reviewed Original ResearchConceptsAdvanced biological agingChildhood psychiatric symptomsAge 6Longitudinal cohort studyInternalizing symptomsBiological agingChild mental healthCohort studyBuccal epithelial cellsPsychiatric symptomsSymptomsMental healthEpithelial cellsInternalizing disordersStatistical significanceAge 2.5Highest EAAExternalizing symptomsChildhoodEpigenetic agingHorvath clockGenome-wide DNA methylationEAA
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
2014
Maternal prenatal anxiety and child brain-derived neurotrophic factor (BDNF) genotype: Effects on internalizing symptoms from 4 to 15 years of age
O'Donnell KJ, Glover V, Holbrook JD, O'Connor TG. Maternal prenatal anxiety and child brain-derived neurotrophic factor (BDNF) genotype: Effects on internalizing symptoms from 4 to 15 years of age. Development And Psychopathology 2014, 26: 1255-1266. PMID: 25422959, DOI: 10.1017/s095457941400100x.Peer-Reviewed Original ResearchConceptsBrain-derived neurotrophic factor (BDNF) genePrenatal maternal anxietyYears of agePrenatal anxietyBDNF polymorphismMaternal anxietyBrain-derived neurotrophic factor (BDNF) genotypeNeurotrophic factor genotypeInternalizing symptomsNeurotrophic factor geneAge 15 yearsAvon Longitudinal StudyMaternal prenatal anxietyMaternal symptomsChild internalizing symptomsGene-environment interactionsClinical InterviewPopulation cohortHealth outcomesSymptomsDiagnostic assessmentPsychosocial risksDifficulties QuestionnaireAge 13Longitudinal study
2013
Maternal prenatal symptoms of depression and down regulation of placental monoamine oxidase A expression
Blakeley PM, Capron LE, Jensen AB, O'Donnell KJ, Glover V. Maternal prenatal symptoms of depression and down regulation of placental monoamine oxidase A expression. Journal Of Psychosomatic Research 2013, 75: 341-345. PMID: 24119940, DOI: 10.1016/j.jpsychores.2013.07.002.Peer-Reviewed Original ResearchConceptsPlacental functionPrenatal symptomsA ExpressionSymptoms of depressionMaternal trait anxietyPlacental monoamine oxidaseElective caesareanNeurodevelopmental outcomesFetal exposureMAO AMaternal symptomsPregnant womenMaternal moodMonoamine oxidase APlacental expressionMaternal depressionFetal bloodSymptomsTrophoblast tissueMonoamine oxidaseSpecific polyclonal antibodiesDepressionOxidase APsychometric testsPlacenta