HealthAugust 15, 2026

methylation

meth-uh-LAY-shun

Definition

A chemical process in which a methyl group is added to a molecule, often used in biology to refer to DNA methylation, which can alter gene activity.

Etymology

Derived from 'methyl'—a chemical radical named in the 19th century from the Greek 'methy' (wine) and 'hylē' (matter)—combined with the suffix '-ation' to denote a process.

In the news

The article refers to DNA methylation as a key molecular signature used as a biomarker to measure biological aging more accurately than chronological age.

Deerfield Managing Partner Jim Flynn to Present at 13th ARDD Meeting

Read the full article ↗

Bioengineer.org

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