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. Author manuscript; available in PMC: 2023 Apr 6.
Published in final edited form as: Nat Aging. 2022 May 16;2(6):484–493. doi: 10.1038/s43587-022-00220-0

Extended Data Fig. 1 |. Comparison between the performances of four most-commonly employed epigenetic clocks on in vitro cultured human cells.

Extended Data Fig. 1 |

Measurement of EpiAge of primary keratinocytes from human neonatal foreskin that were cultured in vitro and monitored at different points in time. DNA methylation profiles of these cells were analyzed using the (a) Skin&blood clock, (b) Horvath clock, (c) Hannum clock and (d) PhenoAge clock. Extended_Data_Figure_Legend.docx.