2023
Epigenetic age acceleration as a biomarker for impaired cognitive abilities in adulthood following early life adversity and psychiatric disorders
Felt J, Yusupov N, Harrington K, Fietz J, Zhang Z, Sliwinski M, Ram N, O'Donnell K, Group B, Meaney M, Putnam F, Noll J, Binder E, Shenk C. Epigenetic age acceleration as a biomarker for impaired cognitive abilities in adulthood following early life adversity and psychiatric disorders. Neurobiology Of Stress 2023, 27: 100577. PMID: 37885906, PMCID: PMC10597797, DOI: 10.1016/j.ynstr.2023.100577.Peer-Reviewed Original ResearchEarly life adversityPsychiatric disordersEpigenetic age accelerationLife adversityAge accelerationProspective cohort studyBiological agingNon-abused controlsCohort studyNeurocognitive screeningPeripheral bloodCommunity cohortNeurocognitive declineIndependent cohortCognitive declineEarly screeningMental disordersCohortGrimAge clockDisordersBiomarkersLower general cognitive abilityEarly declineNeurocognitive abilitiesCognitive abilities
2022
To what extent do social support and coping strategies mediate the relation between childhood maltreatment and major depressive disorder: A longitudinal community-based cohort.
Li M, O'Donnell K, Caron J, Meaney M, Kobor M, D'Arcy C, Su Y, Liu A, Meng X. To what extent do social support and coping strategies mediate the relation between childhood maltreatment and major depressive disorder: A longitudinal community-based cohort. Development And Psychopathology 2022, 36: 50-61. PMID: 36102218, DOI: 10.1017/s0954579422000918.Peer-Reviewed Original ResearchMajor depressive disorderLongitudinal community-based cohortCommunity-based cohortDepressive disorderChildhood maltreatmentRisk of MDDSocial supportSubsequent major depressive disorderGenetic predispositionDirect effectPrevention programsSociodemographic characteristicsNegative copingNegative coping strategiesCoping strategiesPositive coping strategiesCohortDisordersPotential factorsPositive copingMediation analysisRobust evidenceDetrimental effectsCopingMaltreatmentIntegrative PheWAS analysis in risk categorization of major depressive disorder and identifying their associations with genetic variants using a latent topic model approach
Meng X, Wang M, O’Donnell K, Caron J, Meaney MJ, Li Y. Integrative PheWAS analysis in risk categorization of major depressive disorder and identifying their associations with genetic variants using a latent topic model approach. Translational Psychiatry 2022, 12: 240. PMID: 35676267, PMCID: PMC9177831, DOI: 10.1038/s41398-022-02015-8.Peer-Reviewed Original ResearchConceptsMajor depressive disorderRisk of MDDDepressive disorderMDD subtypesMDD diagnosisRisk categorizationMajor public health problemLongitudinal community-based cohortCommunity-based cohortRisk prediction toolsGenetic variantsPublic health problemPrevalent mental disordersRisk prediction modelMDD cohortMDD patientsGenetic predispositionHealth problemsEarly identificationMental disordersMDD casesPotential genetic variantsDisordersCohortSubtypes
2019
A biologically-informed polygenic score identifies endophenotypes and clinical conditions associated with the insulin receptor function on specific brain regions
Dass S, McCracken K, Pokhvisneva I, Chen LM, Garg E, Nguyen TTT, Wang Z, Barth B, Yaqubi M, McEwen LM, MacIsaac JL, Diorio J, Kobor MS, O'Donnell KJ, Meaney MJ, Silveira PP. A biologically-informed polygenic score identifies endophenotypes and clinical conditions associated with the insulin receptor function on specific brain regions. EBioMedicine 2019, 42: 188-202. PMID: 30922963, PMCID: PMC6491717, DOI: 10.1016/j.ebiom.2019.03.051.Peer-Reviewed Original ResearchMeSH KeywordsBrainEndophenotypesFemaleGene Expression ProfilingGene Expression RegulationGene Regulatory NetworksGenetic Association StudiesGenetic Predisposition to DiseaseGenome-Wide Association StudyHippocampusHumansMalePhenotypePolymorphism, Single NucleotideReceptor, InsulinReproducibility of ResultsConceptsCognitive performancePolygenic scoresRelated mental disordersChild impulsivityIndividual differencesSpecific brain regionsInhibitory controlNeurobiological mechanismsCommunity sampleBrain regionsConventional GWASMesocorticolimbic systemImpulsivityMental disordersPsychopathologyAddictionNeural functionEndophenotypesAlzheimer's diseaseScoresADHDDisordersMemoryFunctioningGenetic score
2015
Symptoms of major depressive disorder subsequent to child maltreatment: Examining change across multiple levels of analysis to identify transdiagnostic risk pathways
Shenk CE, Griffin AM, O'Donnell KJ. Symptoms of major depressive disorder subsequent to child maltreatment: Examining change across multiple levels of analysis to identify transdiagnostic risk pathways. Development And Psychopathology 2015, 27: 1503-1514. PMID: 26535940, PMCID: PMC4774890, DOI: 10.1017/s0954579415000905.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMDD symptomsDepressive disorderRisk pathwaysChild maltreatmentPrevalent psychiatric conditionChild maltreatment populationSubstantiated child maltreatmentPsychiatric conditionsSymptomsClinical interventionsSaliva samplesLaboratory stressorDirect targetingFemale adolescentsCertain childrenChildrenEmotion regulationDisordersComparison conditionSignificant indirect effectCurrent studyMaltreatmentPathwayEmotion dysregulation
2010
Anxiety, depression and saliva cortisol in women with a medical disorder during pregnancy
King NM, Chambers J, O’Donnell K, Jayaweera SR, Williamson C, Glover VA. Anxiety, depression and saliva cortisol in women with a medical disorder during pregnancy. Archives Of Women's Mental Health 2010, 13: 339-345. PMID: 20101421, DOI: 10.1007/s00737-009-0139-5.Peer-Reviewed Original ResearchConceptsMedical disordersSaliva cortisolDiurnal saliva samplesAdverse pregnancy outcomesHigher EPDS scoresSubgroup of womenExtra psychological supportSelf-rating questionnaireVs. 35.2Antenatal womenHyperemesis gravidarumPregnancy outcomesEPDS scoresPregnant womenVs. 5.9Neurodevelopmental problemsCortisol levelsHealth professionalsPregnancySaliva samplesDisorder groupElevated levelsPsychological supportWomenDisorders