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Descriptor in English: Methylation
Descriptor in Spanish: Metilación
Descriptor in Portuguese: Metilação
Descriptor in French: Méthylation
Entry term(s): Methylations
Tree number(s): G02.111.035.538
G02.607.094.538
G03.059.538
Scope note: Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed)
Annotation: almost never IM; enzymatic methylation: coord NIM with METHYLTRANSFERASES (IM) + substrate (NIM) or specific methyltransferase (IM); DNA METHYLATION is also available
Allowable Qualifiers: DE drug effects
RE radiation effects
History Note: 68
DeCS UI: 8929
Descriptor UI: D008745
Date Established: 1968/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/06/30
Methylation - Preferred
Concept UI M0013618
Scope note Addition of methyl groups. In histo-chemistry methylation is used to esterify carboxyl groups and remove sulfate groups by treating tissue sections with hot methanol in the presence of hydrochloric acid. (From Stedman, 25th ed)
Preferred term Methylation
Entry term(s) Methylations



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