GSM8031501
DNA from neonatal and old fibroblast cells was extracted using the GeneJET genomic DNA extraction kit (Thermo Scientific, Cat.n.K0721). DNA samples were quantified by Qubit 2.0 Fluorometer (Invitrogen, Carlsbad, CA). WGBS library preparation and sequencing reactions were conducted at Novogene Corporation Inc (Sacramento, CA, USA). Whole Genome Enzymatic Conversion