# OnCo record methylation-arrays (term). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/methylation-arrays/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "methylation-arrays" ;
  schema:name "DNA methylation arrays and beta values (450k, EPIC)"@en ;
  schema:alternateName "methylation beta values"@en, "beta values"@en, "450k array"@en, "Infinium 450k"@en, "EPIC array"@en, "MethylationEPIC"@en, "methylation array"@en, "methylation arrays"@en, "CpG methylation profile"@en ;
  schema:description "Methylation arrays measure, at hundreds of thousands of CpG sites, the fraction of DNA copies carrying a methyl mark; that fraction, between 0 and 1, is the beta value."@en ;
  schema:url <https://onco.cc/terms/methylation-arrays/> ;
  schema:dateModified "2026-09-24"^^xsd:date ;
  schema:sameAs <https://en.wikipedia.org/wiki/Illumina_Methylation_Assay> ;
  schema:citation <https://en.wikipedia.org/wiki/DNA_methylation>, <https://en.wikipedia.org/wiki/Illumina_Methylation_Assay> ;
  onco:tag "cansim-terms" ;
  onco:related <https://onco.cc/terms/cancer-ai-vocabulary/> ;
  onco:technologies <https://onco.cc/technologies/methylation-profiling/>, <https://onco.cc/technologies/cns-tumour-methylation-classifier/> ;
  onco:terms <https://onco.cc/terms/organ-of-origin-signal/>, <https://onco.cc/terms/mgmt/> .