2023
Investigating the effects of maltreatment and acute stress on the concordance of blood and DNA methylation methods of estimating immune cell proportions
Apsley A, Etzel L, Hastings W, Heim C, Noll J, O’Donnell K, Schreier H, Shenk C, Ye Q, Shalev I. Investigating the effects of maltreatment and acute stress on the concordance of blood and DNA methylation methods of estimating immune cell proportions. Clinical Epigenetics 2023, 15: 33. PMID: 36855187, PMCID: PMC9976543, DOI: 10.1186/s13148-023-01437-5.Peer-Reviewed Original ResearchConceptsComplete blood countImmune cell proportionsAcute psychosocial stressCell proportionPsychosocial stressPsychosocial stress altersImmune cell subtypesAcute laboratory stressorEarly life adversityStress-exposed individualsChild maltreatmentPediatric cohortBlood countCell subtypesAcute stressStress-induced changesPathophysiological statesLife adversityCritical covariatesLaboratory stressorYoung adultsEffects of maltreatmentDNAm alterationsClinical populationsDNA methylation
2020
Maternal antenatal depression and child mental health: Moderation by genomic risk for attention-deficit/hyperactivity disorder
Chen LM, Tollenaar MS, Dass S, Bouvette-Turcot AA, Pokhvisneva I, Gaudreau H, Parent C, Diorio J, McEwen LM, MacIsaac JL, Kobor MS, Beijers R, de Weerth C, Silveira PP, Karama S, Meaney MJ, O'Donnell KJ. Maternal antenatal depression and child mental health: Moderation by genomic risk for attention-deficit/hyperactivity disorder. Development And Psychopathology 2020, 32: 1810-1821. PMID: 33427178, DOI: 10.1017/s0954579420001418.Peer-Reviewed Original ResearchConceptsMaternal antenatal depressionAttention-deficit/hyperactivity disorderAntenatal depressionChild mental healthPolygenic risk scoresMental healthHyperactivity disorderChild mental health symptomsMental health symptomsConsiderable inter-individual variationConventional polygenic risk scoresMaternal depressionRisk scoreHealth symptomsReplication cohortSynaptic functionGenomic riskChild genetic variationInter-individual variationNeuronal developmentSimilar findingsDepressionSingle nucleotide polymorphismsDevelopmental originsBehavioral problems
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