2024
Variation in the mu-opioid receptor gene (OPRM1) moderates the influence of maternal sensitivity on child attachment
Tchalova K, Lydon J, Atkinson L, Fleming A, Kennedy J, Lecompte V, Meaney M, Moss E, O’Donnell K, O’Donnell K, Silveira P, Sokolowski M, Steiner M, Bartz J. Variation in the mu-opioid receptor gene (OPRM1) moderates the influence of maternal sensitivity on child attachment. Translational Psychiatry 2024, 14: 181. PMID: 38580654, PMCID: PMC10997775, DOI: 10.1038/s41398-024-02888-x.Peer-Reviewed Original ResearchConceptsMaternal sensitivityChild attachmentAttachment behaviorExpression of attachment behaviorLevels of maternal sensitivityOPRM1 A118G genotypeInfluence of maternal sensitivityNon-human animal researchAmbivalent attachment patternsStrange Situation paradigmMu-opioid receptor geneOPRM1 A118G polymorphismA118G genotypeChildren's attachment stylesMother-child interactionA118G polymorphismEndogenous opioid systemMinor G alleleSensitive maternal careMother-infant attachmentInfant rhesus macaquesG alleleC77G polymorphismReceptor geneSituation paradigm
2023
Perinatal Trajectories of Maternal Depressive Symptoms in Prospective, Community-Based Cohorts Across 3 Continents
Kee M, Cremaschi A, De Iorio M, Chen H, Montreuil T, Nguyen T, Côté S, O’Donnell K, Giesbrecht G, Letourneau N, Chan S, Meaney M. Perinatal Trajectories of Maternal Depressive Symptoms in Prospective, Community-Based Cohorts Across 3 Continents. JAMA Network Open 2023, 6: e2339942. PMID: 37883082, PMCID: PMC10603499, DOI: 10.1001/jamanetworkopen.2023.39942.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlbertaCohort StudiesDepressionDepression, PostpartumFemaleHumansLongitudinal StudiesPregnancyProspective StudiesConceptsSelf-reported depressive symptomsMaternal depressive symptomsDepressive symptomsPerinatal periodPostnatal periodEdinburgh Postnatal Depression ScalePostnatal Depression ScaleEpidemiological Studies DepressionHealth policy guidelinesPublic health initiativesGroups of mothersCohort studyObservational cohortProspective cohortPregnancy influencesReferral guidelinesMultiple time pointsDepression ScaleMAIN OUTCOMEPregnancyPostnatal onsetStudies DepressionHealth initiativesTimely interventionCohort
2022
Specific and cumulative lifetime stressors in the aetiology of major depression: A longitudinal community-based population study
Su Y, D'Arcy C, Li M, O'Donnell K, Caron J, Meaney M, Meng X. Specific and cumulative lifetime stressors in the aetiology of major depression: A longitudinal community-based population study. Epidemiology And Psychiatric Sciences 2022, 31: e3. PMID: 35078547, PMCID: PMC8851045, DOI: 10.1017/s2045796021000779.Peer-Reviewed Original ResearchMeSH KeywordsCohort StudiesDepressionDepressive Disorder, MajorHumansLife Change EventsStress, PsychologicalConceptsGenetic predispositionSubsequent depressionStressful life eventsLifetime stressorsLongitudinal community-based cohort studyPsychosocial stressorsCommunity-based cohort studyCommunity-based population studyStressful eventsMental illness preventionMultivariate logistic regressionHealth-related factorsDevelopment of depressionChildhood maltreatmentMental health promotionEtiology of depressionPresent studyStressful experiencesLife eventsChild-parent bondingCumulative stressful experiencesSouthwest of MontrealPolygenetic risk scoresCohort studySocio-demographic characteristics
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
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
2019
The PedBE clock accurately estimates DNA methylation age in pediatric buccal cells
McEwen LM, O'Donnell KJ, McGill MG, Edgar RD, Jones MJ, MacIsaac JL, Lin DTS, Ramadori K, Morin A, Gladish N, Garg E, Unternaehrer E, Pokhvisneva I, Karnani N, Kee MZL, Klengel T, Adler NE, Barr RG, Letourneau N, Giesbrecht GF, Reynolds JN, Czamara D, Armstrong JM, Essex MJ, de Weerth C, Beijers R, Tollenaar MS, Bradley B, Jovanovic T, Ressler KJ, Steiner M, Entringer S, Wadhwa PD, Buss C, Bush NR, Binder EB, Boyce WT, Meaney MJ, Horvath S, Kobor MS. The PedBE clock accurately estimates DNA methylation age in pediatric buccal cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 117: 23329-23335. PMID: 31611402, PMCID: PMC7519312, DOI: 10.1073/pnas.1820843116.Peer-Reviewed Original ResearchIntegrated analysis of environmental and genetic influences on cord blood DNA methylation in new-borns
Czamara D, Eraslan G, Page CM, Lahti J, Lahti-Pulkkinen M, Hämäläinen E, Kajantie E, Laivuori H, Villa PM, Reynolds RM, Nystad W, Håberg SE, London SJ, O’Donnell K, Garg E, Meaney MJ, Entringer S, Wadhwa PD, Buss C, Jones MJ, Lin DTS, MacIsaac JL, Kobor MS, Koen N, Zar HJ, Koenen KC, Dalvie S, Stein DJ, Kondofersky I, Müller NS, Theis FJ, Räikkönen K, Binder E. Integrated analysis of environmental and genetic influences on cord blood DNA methylation in new-borns. Nature Communications 2019, 10: 2548. PMID: 31186427, PMCID: PMC6559955, DOI: 10.1038/s41467-019-10461-0.Peer-Reviewed Original ResearchConceptsDNA methylationEnvironmental factorsCellular functionsEpigenetic processesCord blood DNA methylationBlood DNA methylationMethylationGenetic variantsGenetic contributionIntegrated analysisPrenatal environmental factorsComplex disorderGenetic influencesGxE modelsGenotypesGWASRelative contributionGxEIndependent cohortCpGDisease riskEnrichmentVariantsPrefrontal Cortex Dopamine Transporter Gene Network Moderates the Effect of Perinatal Hypoxic-Ischemic Conditions on Cognitive Flexibility and Brain Gray Matter Density in Children
Miguel PM, Pereira LO, Barth B, de Mendonça Filho EJ, Pokhvisneva I, Nguyen TTT, Garg E, Razzolini BR, Koh DXP, Gallant H, Sassi RB, Hall GBC, O'Donnell KJ, Meaney MJ, Silveira PP. Prefrontal Cortex Dopamine Transporter Gene Network Moderates the Effect of Perinatal Hypoxic-Ischemic Conditions on Cognitive Flexibility and Brain Gray Matter Density in Children. Biological Psychiatry 2019, 86: 621-630. PMID: 31142432, DOI: 10.1016/j.biopsych.2019.03.983.Peer-Reviewed Original ResearchConceptsExpression-based polygenic risk scoreGray matter densityBrain gray matter densityPrefrontal cortexHypoxic-ischemic conditionsHistory of exposurePrefrontal cortex expressionExecutive functionIdentification of childrenHypoxia-ischemiaPerinatal complicationsHealthy childrenRisk factorsPolygenic risk scoresHigh riskRisk scoreDopamine reuptakeBirth cohortCortex expressionPoor oxygenationImpaired executive functionBrain developmentGenetic polymorphisms
2018
PRS-on-Spark (PRSoS): a novel, efficient and flexible approach for generating polygenic risk scores
Chen LM, Yao N, Garg E, Zhu Y, Nguyen TTT, Pokhvisneva I, Hari Dass SA, Unternaehrer E, Gaudreau H, Forest M, McEwen LM, MacIsaac JL, Kobor MS, Greenwood CMT, Silveira PP, Meaney MJ, O’Donnell K. PRS-on-Spark (PRSoS): a novel, efficient and flexible approach for generating polygenic risk scores. BMC Bioinformatics 2018, 19: 295. PMID: 30089455, PMCID: PMC6083617, DOI: 10.1186/s12859-018-2289-9.Peer-Reviewed Original Research
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 activityMaternal prenatal cortisol predicts infant negative emotionality in a sex-dependent manner
Braithwaite EC, Pickles A, Sharp H, Glover V, O'Donnell KJ, Tibu F, Hill J. Maternal prenatal cortisol predicts infant negative emotionality in a sex-dependent manner. Physiology & Behavior 2017, 175: 31-36. PMID: 28322912, PMCID: PMC5429387, DOI: 10.1016/j.physbeh.2017.03.017.Peer-Reviewed Original ResearchConceptsNeonatal Behavioral Assessment ScaleSex-dependent mannerPrenatal stressMaternal prenatal cortisolPrenatal cortisolFemale infantInfant negative emotionalityFetal developmental trajectoriesMaternal saliva samplesProspective longitudinal cohortDevelopment Study cohortGeneral population estimatesBehavioral Assessment ScaleWirral Child HealthPrenatal cortisol levelsInverse probability weightsStudy cohortMale infantLongitudinal cohortFetal programmingChild healthEvening cortisolSex-specific developmental trajectoriesGlucocorticoid mechanismsPrevention strategies
2016
Maternal prenatal depression is associated with decreased placental expression of the imprinted gene PEG3
Janssen AB, Capron LE, O'Donnell K, Tunster SJ, Ramchandani PG, Heazell AE, Glover V, John RM. Maternal prenatal depression is associated with decreased placental expression of the imprinted gene PEG3. Psychological Medicine 2016, 46: 2999-3011. PMID: 27523184, PMCID: PMC5080674, DOI: 10.1017/s0033291716001598.Peer-Reviewed Original ResearchConceptsMaternal prenatal depressionFetal growth restrictionPrenatal depressionPlacental expressionGrowth restrictionMedical notesDepression scoresFurther independent cohortImpaired placental functionPlacental lactogen productionAdverse neurodevelopmental outcomesDiagnosis of depressionMaternal depression scoresPoor offspring outcomesMaternal prenatal stressCyclin-dependent kinase inhibitor 1CPlacental gene expressionHigher depression scoresAberrant placental expressionNeurodevelopmental outcomesCohort participantsFetal growthPleckstrin homology-like domain familyPlacental functionMaternal depression