methylation

[meth-uh-ley-shuhn]

noun

Chemistry.

1. the process of replacing a hydrogen atom with a methyl group.

Word History and Origins

Origin of methylation¹

First recorded in 1875–80; methylate + -ion

Example Sentences

"MGMT methylation status is an important prognostic factor, but it requires biopsies that aren't necessarily representative of the entire tumor and can vary in recurrence," said Elizabeth Moyal, a researcher at IUCT-Oncopole and coordinator of the project.

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The team found that this silencing occurs through DNA methylation, a natural process that adds chemical tags to DNA, turning the gene off.

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Johnson routinely measures everything from his blood sugar levels to his DNA methylation: a natural genetic change that can be used to estimate the pace of aging.

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Evaluating the merits of these awards would require a deep understanding of dozens of scientific fields, from gravitational waves to DNA methylation.

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When ProPublica informed Yao her $610,000 project was on the Senate committee’s list, she found it bizarre that such technical work on DNA methylation — a process that can affect cancer and neurological diseases — could be labeled as “woke.”

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