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
2019
Integrated 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 riskEnrichmentVariantsA Role of Oxytocin Receptor Gene Brain Tissue Expression Quantitative Trait Locus rs237895 in the Intergenerational Transmission of the Effects of Maternal Childhood Maltreatment
Toepfer P, O'Donnell KJ, Entringer S, Heim CM, Lin DTS, MacIsaac JL, Kobor MS, Meaney MJ, Provençal N, Binder EB, Wadhwa PD, Buss C. A Role of Oxytocin Receptor Gene Brain Tissue Expression Quantitative Trait Locus rs237895 in the Intergenerational Transmission of the Effects of Maternal Childhood Maltreatment. Journal Of The American Academy Of Child & Adolescent Psychiatry 2019, 58: 1207-1216. PMID: 30858011, PMCID: PMC6733663, DOI: 10.1016/j.jaac.2019.03.006.Peer-Reviewed Original ResearchAdultAdult Survivors of Child AbuseAllelesDepression, PostpartumFemaleGene-Environment InteractionGenotypeHumansInfantMother-Child RelationsMothersObject AttachmentOxytocinPolymorphism, Single NucleotideQuantitative Trait LociReactive Attachment DisorderReceptors, OxytocinRegression AnalysisStress, PsychologicalYoung Adult
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 ResearchThe 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
Maternal prenatal anxiety and child COMT genotype predict working memory and symptoms of ADHD
O'Donnell KJ, Glover V, Lahti J, Lahti M, Edgar RD, Räikkönen K, O'Connor TG. Maternal prenatal anxiety and child COMT genotype predict working memory and symptoms of ADHD. PLOS ONE 2017, 12: e0177506. PMID: 28614354, PMCID: PMC5470664, DOI: 10.1371/journal.pone.0177506.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnxietyAttention Deficit Disorder with HyperactivityCatechol O-MethyltransferaseChildFemaleGene-Environment InteractionGenotypeHumansLongitudinal StudiesMaleMemory, Short-TermMothersPolymorphism, Single NucleotidePregnancyPrenatal Exposure Delayed EffectsProspective StudiesSelf ReportConceptsMaternal prenatal anxietySymptoms of ADHDPrenatal anxietyChildren's symptomsSelf-report measuresInter-individual differencesRs4680 genotypeIndividual differencesHyperactivity symptomsChildren's responsesADHDDevelopmental outcomesCOMT genotypeAnxietyAge 8 yearsMemoryVal/Val genotypeVal/ALSPAC cohortChild neurodevelopmentYears of ageFunctional genetic variationVal genotypeCOMTGene-environment interactionsDynamic 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 ResearchEffects 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
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