DNA methylation
Addition of a small chemical group (methyl) onto certain DNA bases. Does not alter the sequence but changes how the cell reads it. Its pattern shifts with age and forms an 'epigenetic clock' (Horvath).
Addition of a small chemical group (methyl) onto certain DNA bases. Does not alter the sequence but changes how the cell reads it. Its pattern shifts with age and forms an 'epigenetic clock' (Horvath).
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