Nature Communications (Apr 2019)

Partially methylated domains are hypervariable in breast cancer and fuel widespread CpG island hypermethylation

  • Arie B. Brinkman,
  • Serena Nik-Zainal,
  • Femke Simmer,
  • F. Germán Rodríguez-González,
  • Marcel Smid,
  • Ludmil B. Alexandrov,
  • Adam Butler,
  • Sancha Martin,
  • Helen Davies,
  • Dominik Glodzik,
  • Xueqing Zou,
  • Manasa Ramakrishna,
  • Johan Staaf,
  • Markus Ringnér,
  • Anieta Sieuwerts,
  • Anthony Ferrari,
  • Sandro Morganella,
  • Thomas Fleischer,
  • Vessela Kristensen,
  • Marta Gut,
  • Marc J. van de Vijver,
  • Anne-Lise Børresen-Dale,
  • Andrea L. Richardson,
  • Gilles Thomas,
  • Ivo G. Gut,
  • John W. M. Martens,
  • John A. Foekens,
  • Michael R. Stratton,
  • Hendrik G. Stunnenberg

DOI
https://doi.org/10.1038/s41467-019-09828-0
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 10

Abstract

Read online

In cancer, global DNA methylation loss and CpG island hypermethylation are commonly observed. Here, in breast cancer the authors find that hyper-variability of partially methylated domains is the prime source of DNA methylation variation and that these domains fuel CpG island hypermethylation.