Methylation
| Methylation | |
|---|---|
| Term | Methylation |
| Short definition | methyl group - (pronounced) (MEH-thul group) A small molecule made up of one carbon and three hydrogen atoms. Methyl groups are added to or removed from proteins or nucleic acids and can change the way these molecules work in the body |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
methylation - (pronounced) (MEH-thuh-LAY-avoid) chemical reaction in the body that attaches a small molecule called a methyl group to DNA, proteins, or other molecules. The addition of methyl groups can affect how some molecules work in the body. For example, methylating the DNA sequence of a gene can turn off the gene so it doesn't make a protein. Changes in the methylation patterns of genes or proteins can affect a person's risk of developing a disease such as cancer
External links
- Medical encyclopedia article on Methylation
- Wikipedia's article - Methylation
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