2020
A rat epigenetic clock recapitulates phenotypic aging and co-localizes with heterochromatin
Levine M, McDevitt RA, Meer M, Perdue K, Di Francesco A, Meade T, Farrell C, Thrush K, Wang M, Dunn C, Pellegrini M, de Cabo R, Ferrucci L. A rat epigenetic clock recapitulates phenotypic aging and co-localizes with heterochromatin. ELife 2020, 9: e59201. PMID: 33179594, PMCID: PMC7661040, DOI: 10.7554/elife.59201.Peer-Reviewed Original ResearchConceptsTranscriptional factor bindingNovel epigenetic clockEpigenetic signalsIntergenic regionEpigenetic age measuresDNA methylationFactor bindingSequencing dataEpigenetic clocksBiochemical advantagesNetwork analysisH3K9me3H3K27me3HeterochromatinCaloric restrictionRobust biomarkersSubstantial overlapMethylationPhenotypicCpGDNAmAgeBindingMiceClockUnderlying features of epigenetic aging clocks in vivo and in vitro
Liu Z, Leung D, Thrush K, Zhao W, Ratliff S, Tanaka T, Schmitz LL, Smith JA, Ferrucci L, Levine ME. Underlying features of epigenetic aging clocks in vivo and in vitro. Aging Cell 2020, 19: e13229. PMID: 32930491, PMCID: PMC7576259, DOI: 10.1111/acel.13229.Peer-Reviewed Original ResearchConceptsEpigenetic clocksTranscriptional associationsTissues/cellsHuman tissues/cellsEpigenetic aging clockMultiple tissues/cellsDifferent biological processesMulti-omics analysisDNA methylation dataMulti-omics dataBiological processesMethylation dataAging clockMitochondrial dysfunctionEpigenetic agingBiological agingClockHallmarkCellsSenescenceAutophagyStriking lackPathwayCpGMetabolism
2018
An epigenetic biomarker of aging for lifespan and healthspan
Levine ME, Lu AT, Quach A, Chen BH, Assimes TL, Bandinelli S, Hou L, Baccarelli AA, Stewart JD, Li Y, Whitsel EA, Wilson JG, Reiner AP, Aviv A, Lohman K, Liu Y, Ferrucci L, Horvath S. An epigenetic biomarker of aging for lifespan and healthspan. Aging 2018, 10: 573-591. PMID: 29676998, PMCID: PMC5940111, DOI: 10.18632/aging.101414.Peer-Reviewed Original ResearchConceptsEpigenetic biomarkersDNA damage responseTranslational machineryMitochondrial signatureTranscriptional analysisDamage responseNew epigenetic biomarkersMultiple tissuesNovel CpGsInterferon pathwayHealthspanSorted cellsImportant pathwayPathwayCellsLifespanActivationBiological ageDiverse outcomesDNAm PhenoAgeMachineryMajor goalTissueCpGGeroscience