2023
The Cutting Edge of Epigenetic Clocks: In Search of Mechanisms Linking Aging and Mental Health
Harvanek Z, Boks M, Vinkers C, Higgins-Chen A. The Cutting Edge of Epigenetic Clocks: In Search of Mechanisms Linking Aging and Mental Health. Biological Psychiatry 2023, 94: 694-705. PMID: 36764569, PMCID: PMC10409884, DOI: 10.1016/j.biopsych.2023.02.001.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsOxPhos defects cause hypermetabolism and reduce lifespan in cells and in patients with mitochondrial diseases
Sturm G, Karan K, Monzel A, Santhanam B, Taivassalo T, Bris C, Ware S, Cross M, Towheed A, Higgins-Chen A, McManus M, Cardenas A, Lin J, Epel E, Rahman S, Vissing J, Grassi B, Levine M, Horvath S, Haller R, Lenaers G, Wallace D, St-Onge M, Tavazoie S, Procaccio V, Kaufman B, Seifert E, Hirano M, Picard M. OxPhos defects cause hypermetabolism and reduce lifespan in cells and in patients with mitochondrial diseases. Communications Biology 2023, 6: 22. PMID: 36635485, PMCID: PMC9837150, DOI: 10.1038/s42003-022-04303-x.Peer-Reviewed Original ResearchConceptsIntegrated stress responseOXPHOS defectsMitochondrial diseaseCellular energy expenditureMitochondrial DNA instabilityPatient-derived fibroblastsMitochondrial oxidative phosphorylationCell divisionExtracellular secretionOxidative phosphorylationStress responseDNA instabilityMechanistic basisEnergetic costEpigenetic agingGeneral mechanismOXPHOSBiological agingExcess energy expenditurePotential mechanismsEnergy expenditureCellsMulti-system disorderMetabokinesRNAseqAssociations 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
Receptive Language Abilities for Females Exposed to Early Life Adversity: Modification by Epigenetic Age Acceleration at Midlife in a 30-Year Prospective Cohort Study
Felt JM, Harrington KD, Ram N, O'Donnell KJ, Sliwinski MJ, Benson L, Zhang Z, Meaney MJ, Putnam FW, Noll JG, Shenk CE. Receptive Language Abilities for Females Exposed to Early Life Adversity: Modification by Epigenetic Age Acceleration at Midlife in a 30-Year Prospective Cohort Study. The Journals Of Gerontology Series B 2022, 78: 585-595. PMID: 36190812, PMCID: PMC10066744, DOI: 10.1093/geronb/gbac158.Peer-Reviewed Original ResearchConceptsReceptive language abilityChild sexual abuseEarly life adversityLanguage abilityCognitive agingLife adversityPeabody Picture VocabularyPPVT-R scoresReceptive languageCognitive functioningPicture VocabularyComparison conditionNormative trajectoriesSexual abuseInterindividual differencesIndependent measuresMidlifeAdversityEpigenetic age accelerationDevelopment studiesQuadratic trendQuadratic growth modelAge accelerationEpigenetic agingAbilityAccelerated epigenetic aging in newborns with Down syndrome
Xu K, Li S, Muskens IS, Elliott N, Myint SS, Pandey P, Hansen HM, Morimoto LM, Kang AY, Ma X, Metayer C, Mueller BA, Roberts I, Walsh KM, Horvath S, Wiemels JL, de Smith A. Accelerated epigenetic aging in newborns with Down syndrome. Aging Cell 2022, 21: e13652. PMID: 35661546, PMCID: PMC9282838, DOI: 10.1111/acel.13652.Peer-Reviewed Original ResearchConceptsDown syndromeAge accelerationEpigenetic age accelerationGestational age accelerationEarly-onset Alzheimer's diseaseTransient abnormal myelopoiesisPotential confounding factorsEpigenetic agingPremature agingSomatic GATA1 mutationsDS patientsAbnormal myelopoiesisBlood cell proportionsNewbornsAlzheimer's diseaseConfounding factorsBrain tissueCell proportionGATA1 mutationsEndocrine systemBloodTargeted sequencingSomatic mutationsSyndromeDiseaseObesity and accelerated epigenetic aging in a high-risk cohort of children
Etzel L, Hastings WJ, Hall MA, Heim CM, Meaney MJ, Noll JG, O’Donnell K, Pokhvisneva I, Rose EJ, Schreier HMC, Shenk CE, Shalev I. Obesity and accelerated epigenetic aging in a high-risk cohort of children. Scientific Reports 2022, 12: 8328. PMID: 35585103, PMCID: PMC9117197, DOI: 10.1038/s41598-022-11562-5.Peer-Reviewed Original ResearchConceptsBody mass indexHigh-risk cohortHigher ageHigher Body Mass IndexOngoing prospective studyBlood cell countChild Health StudyEpigenetic agingHigh-risk childrenPoor health outcomesMiddle-aged adultsMass indexProspective studyFuture morbidityBlood leukocytesMortality riskHealth StudyObesityHealth outcomesCell countCohortEarly lifeContinuous variablesChildrenBiological agingP79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans
Nagamatsu S, Pietrzak R, Na P, Krystal J, Gelernter J, Montalvo-Ortiz J. P79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans. Biological Psychiatry 2022, 91: s119. DOI: 10.1016/j.biopsych.2022.02.313.Peer-Reviewed Original ResearchEvidence of accelerated epigenetic aging of breast tissues in patients with breast cancer is driven by CpGs associated with polycomb-related genes
Rozenblit M, Hofstatter E, Liu Z, O’Meara T, Storniolo AM, Dalela D, Singh V, Pusztai L, Levine M. Evidence of accelerated epigenetic aging of breast tissues in patients with breast cancer is driven by CpGs associated with polycomb-related genes. Clinical Epigenetics 2022, 14: 30. PMID: 35209953, PMCID: PMC8876160, DOI: 10.1186/s13148-022-01249-z.Peer-Reviewed Original ResearchConceptsNormal breast tissueBreast cancerEpigenetic age accelerationBreast tissuePeripheral bloodAge accelerationStrong risk factorBreast cancer riskTissue/blood samplesGood surrogate markerBreast cancer diagnosisHealthy controlsRisk factorsSurrogate markerCancer riskBlood samplesTumor tissueCancerCancer diagnosisNew scoreTissueUnaffected individualsBloodEpigenetic aging signaturesEpigenetic agingTick tock, tick tock: Mouse culture and tissue aging captured by an epigenetic clock
Minteer C, Morselli M, Meer M, Cao J, Higgins‐Chen A, Lang SM, Pellegrini M, Yan Q, Levine ME. Tick tock, tick tock: Mouse culture and tissue aging captured by an epigenetic clock. Aging Cell 2022, 21: e13553. PMID: 35104377, PMCID: PMC8844113, DOI: 10.1111/acel.13553.Peer-Reviewed Original ResearchConceptsMouse embryonic fibroblastsDNA methylationEpigenetic agingImportant chromatin regulatorsPolycomb group (PcG) factorsAnti-aging interventionsChromatin regulatorsEmbryonic fibroblastsCellular senescenceTissue agingCellular agingEpigenetic clocksMultiple tissuesMouse tissuesCaloric restrictionMechanistic insightsAging changesKidney fibroblastsReduced representationTime pointsPhysiological agingMouse culturesSuch alterationsTick-TockTissue
2021
Psychological and biological resilience modulates the effects of stress on epigenetic aging
Harvanek ZM, Fogelman N, Xu K, Sinha R. Psychological and biological resilience modulates the effects of stress on epigenetic aging. Translational Psychiatry 2021, 11: 601. PMID: 34839356, PMCID: PMC8627511, DOI: 10.1038/s41398-021-01735-7.Peer-Reviewed Original ResearchConceptsEmotion regulationResilience factorsCumulative stressWorse emotion regulationPoor emotion regulationPsychological resilience factorsNegative long-term health consequencesCommunity sampleEffects of stressBiological age accelerationPhysical outcomesMore stressBehavioral factorsChronic stressGrimAge accelerationHealth consequencesStress physiologyLong-term health consequencesEpigenetic agingPhysiologic measuresHealthy populationFinal modelAge accelerationAgingRelationshipInternalizing symptoms associate with the pace of epigenetic aging in childhood
Tollenaar MS, Beijers R, Garg E, Nguyen TTT, Lin DTS, MacIsaac JL, Shalev I, Kobor MS, Meaney MJ, O'Donnell KJ, de Weerth C. Internalizing symptoms associate with the pace of epigenetic aging in childhood. Biological Psychology 2021, 159: 108021. PMID: 33460784, DOI: 10.1016/j.biopsycho.2021.108021.Peer-Reviewed Original ResearchConceptsAdvanced biological agingChildhood psychiatric symptomsAge 6Longitudinal cohort studyInternalizing symptomsBiological agingChild mental healthCohort studyBuccal epithelial cellsPsychiatric symptomsSymptomsMental healthEpithelial cellsInternalizing disordersStatistical significanceAge 2.5Highest EAAExternalizing symptomsChildhoodEpigenetic agingHorvath clockGenome-wide DNA methylationEAA
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