2018
Agreement in DNA methylation levels from the Illumina 450K array across batches, tissues, and time
Forest M, O'Donnell KJ, Voisin G, Gaudreau H, MacIsaac JL, McEwen LM, Silveira PP, Steiner M, Kobor MS, Meaney MJ, Greenwood CMT. Agreement in DNA methylation levels from the Illumina 450K array across batches, tissues, and time. Epigenetics 2018, 13: 19-32. PMID: 29381404, PMCID: PMC5837078, DOI: 10.1080/15592294.2017.1411443.Peer-Reviewed Original ResearchBrain-Derived Neurotrophic FactorCanadaCatechol O-MethyltransferaseDNA MethylationDried Blood Spot TestingEpigenesis, GeneticFemaleHumansMaleMouth MucosaNetherlandsOligonucleotide Array Sequence AnalysisReceptors, Dopamine D2Receptors, Dopamine D4Receptors, OxytocinReproducibility of ResultsSerotonin Plasma Membrane Transport ProteinsTime Factors
2016
Stress hormones and posttraumatic stress symptoms following paediatric critical illness: an exploratory study
Als LC, Picouto MD, O’Donnell K, Nadel S, Cooper M, Pierce CM, Kramer T, Glover VAS, Garralda ME. Stress hormones and posttraumatic stress symptoms following paediatric critical illness: an exploratory study. European Child & Adolescent Psychiatry 2016, 26: 511-519. PMID: 27995329, PMCID: PMC5394132, DOI: 10.1007/s00787-016-0933-3.Peer-Reviewed Original ResearchConceptsPediatric critical illnessPosttraumatic stress symptomsCritical illnessHealthy controlsEvening cortisolCortisol concentrationsExploratory case-control studyStress symptomsModest independent predictorCase-control studyEvening cortisol concentrationsBasal cortisol concentrationsPICU admissionPICU groupIndependent predictorsSeptic illnessSymptoms of PTSDSignificant positive associationStudy of childrenPrimary analysisMultivariate analysisSecondary analysisCortisol regulationConsecutive weekdaysStress hormones
2013
Stressful events and psychological difficulties: testing alternative candidates for sensitivity
Laceulle OM, O’Donnell K, Glover V, O’Connor T, Ormel J, van Aken MA, Nederhof E. Stressful events and psychological difficulties: testing alternative candidates for sensitivity. European Child & Adolescent Psychiatry 2013, 23: 103-113. PMID: 23756816, DOI: 10.1007/s00787-013-0436-4.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAffective SymptomsAnxiety DisordersChildChild DevelopmentChild of Impaired ParentsChild, PreschoolDisease SusceptibilityFemaleHumansLife Change EventsMaleMothersPregnancyPrenatal Exposure Delayed EffectsProspective StudiesRisk FactorsSex FactorsSocial EnvironmentSocioeconomic FactorsStress, PsychologicalSurveys and QuestionnairesTime FactorsConceptsPsychological difficultiesStressful eventsDifficult temperamentPrenatal anxietyLife eventsSources of sensitivityStressful life eventsPrenatal maternal anxietyChild developmentReciprocal associationsAge 7Maternal anxietyAge 4Child's ageTemperamentLongitudinal studyStress exposureAnxietyEarly childhoodCurrent studyConsistent evidenceChildrenPrior workDifficultiesAdditional research