2024
Associations between Social Adversity and Biomarkers of Inflammation, Stress, and Aging in Children
Pantell M, Silveira P, de Mendonça Filho E, Wing H, Brown E, Keeton V, Pokhvisneva I, O’Donnell K, Neuhaus J, Hessler D, Meaney M, Adler N, Gottlieb L. Associations between Social Adversity and Biomarkers of Inflammation, Stress, and Aging in Children. Pediatric Research 2024, 95: 1553-1563. PMID: 38233512, PMCID: PMC11126389, DOI: 10.1038/s41390-023-02992-6.Peer-Reviewed Original ResearchSocial adversityChildhood social adversityBiomarkers of inflammationEpigenetic ageSocial risk factorsChildren aged 0ResultsOur final sampleCytokine clusterCumulative adversityFinal sampleSocial predictorsPediatric clinicAged 0Logistic regressionNeuroendocrine functionBiomarkers of stressRisk factorsImpactOur studySocial factorsU-shaped distributionAdversityAssociationBiomarker samplingChildhoodChildren
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
2019
Prefrontal Cortex Dopamine Transporter Gene Network Moderates the Effect of Perinatal Hypoxic-Ischemic Conditions on Cognitive Flexibility and Brain Gray Matter Density in Children
Miguel PM, Pereira LO, Barth B, de Mendonça Filho EJ, Pokhvisneva I, Nguyen TTT, Garg E, Razzolini BR, Koh DXP, Gallant H, Sassi RB, Hall GBC, O'Donnell KJ, Meaney MJ, Silveira PP. Prefrontal Cortex Dopamine Transporter Gene Network Moderates the Effect of Perinatal Hypoxic-Ischemic Conditions on Cognitive Flexibility and Brain Gray Matter Density in Children. Biological Psychiatry 2019, 86: 621-630. PMID: 31142432, DOI: 10.1016/j.biopsych.2019.03.983.Peer-Reviewed Original ResearchConceptsExpression-based polygenic risk scoreGray matter densityBrain gray matter densityPrefrontal cortexHypoxic-ischemic conditionsHistory of exposurePrefrontal cortex expressionExecutive functionIdentification of childrenHypoxia-ischemiaPerinatal complicationsHealthy childrenRisk factorsPolygenic risk scoresHigh riskRisk scoreDopamine reuptakeBirth cohortCortex expressionPoor oxygenationImpaired executive functionBrain developmentGenetic polymorphisms