2023
Associations 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