2021
Maternal Prenatal Anxiety and the Fetal Origins of Epigenetic Aging
McGill MG, Pokhvisneva I, Clappison AS, McEwen LM, Beijers R, Tollenaar MS, Pham H, Kee MZL, Garg E, de Mendonça Filho EJ, Karnani N, Silveira PP, Kobor MS, de Weerth C, Meaney MJ, O'Donnell KJ. Maternal Prenatal Anxiety and the Fetal Origins of Epigenetic Aging. Biological Psychiatry 2021, 91: 303-312. PMID: 34756561, DOI: 10.1016/j.biopsych.2021.07.025.Peer-Reviewed Original ResearchConceptsPrenatal maternal anxietyFetal originEpigenetic age accelerationMaternal anxietyAge accelerationPrenatal anxietyMental healthPrenatal maternal mental healthMaternal mental healthYears of ageGenetic risk factorsMonths of ageMental health supportMaternal prenatal anxietyRisk factorsLongitudinal cohortPrenatal adversityPregnant individualsLarge effect sizesLongitudinal assessmentHealth supportEffective mental health supportCohortPrenatal environmentLate childhood
2018
The 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 life