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Home >Information for Patients > Dictionary Index
Dictionary of Cancer Terms
View in Spanish: Metilación
Methylation (MEH-thul-AY-shun)
A chemical reaction in which a small molecule called a methyl group is added to other molecules. Methylation of proteins or nucleic acids may affect how they act in the body.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.
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22 S. Greene Street, Baltimore, MD 21201
22 S. Greene Street, Baltimore, MD 21201
