Integrated genomic and epigenomic analyses pinpoint biallelic gene inactivation in tumors

G Zardo, MI Tiirikainen, C Hong, A Misra… - Nature …, 2002 - nature.com
Aberrant methylation of CpG islands and genomic deletion are two predominant
mechanisms of gene inactivation in tumorigenesis, but the extent to which they interact is …

Aberrant CpG-island methylation has non-random and tumour-type–specific patterns

JF Costello, MC Frühwald, DJ Smiraglia, LJ Rush… - Nature …, 2000 - nature.com
CpG islands frequently contain gene promoters or exons 1 and are usually unmethylated in
normal cells 1, 2, 3. Methylation of CpG islands is associated with delayed replication …

Evidence for an instructive mechanism of de novo methylation in cancer cells

I Keshet, Y Schlesinger, S Farkash, E Rand, M Hecht… - Nature …, 2006 - nature.com
DNA methylation has a role in the regulation of gene expression during normal mammalian
development but can also mediate epigenetic silencing of CpG island genes in cancer and …

[HTML][HTML] Genome-wide methylation analysis of human colon cancer reveals similar hypo-and hypermethylation at conserved tissue-specific CpG island shores

RA Irizarry, C Ladd-Acosta, B Wen, Z Wu… - Nature …, 2009 - ncbi.nlm.nih.gov
Alterations in DNA methylation (DNAm) in cancer have been known for 25 years, including
hypomethylation of oncogenes and hypermethylation of tumor suppressor genes 1 …

[HTML][HTML] DNA motifs associated with aberrant CpG island methylation

FA Feltus, EK Lee, JF Costello, C Plass, PM Vertino - Genomics, 2006 - Elsevier
Epigenetic silencing involving the aberrant methylation of promoter region CpG islands is
widely recognized as a tumor suppressor silencing mechanism in cancer. However, the …

Predicting aberrant CpG island methylation

FA Feltus, EK Lee, JF Costello… - Proceedings of the …, 2003 - National Acad Sciences
Epigenetic silencing associated with aberrant methylation of promoter region CpG islands is
one mechanism leading to loss of tumor suppressor function in human cancer. Profiling of …

Genome-wide CpG island methylation and intergenic demethylation propensities vary among different tumor sites

ST Lee, JL Wiemels - Nucleic acids research, 2016 - academic.oup.com
The epigenetic landscape of cancer includes both focal hypermethylation and broader
hypomethylation in a genome-wide manner. By means of a comprehensive genomic …

Large hypomethylated blocks as a universal defining epigenetic alteration in human solid tumors

W Timp, HC Bravo, OG McDonald, M Goggins… - Genome medicine, 2014 - Springer
Background One of the most provocative recent observations in cancer epigenetics is the
discovery of large hypomethylated blocks, including single copy genes, in colorectal cancer …

Genomic insights into cancer-associated aberrant CpG island hypermethylation

D Sproul, RR Meehan - Briefings in functional genomics, 2013 - academic.oup.com
Carcinogenesis is thought to occur through a combination of mutational and epimutational
events that disrupt key pathways regulating cellular growth and division. The DNA …

Altered methylation patterns in cancer cell genomes: cause or consequence?

S Baylin, TH Bestor - Cancer cell, 2002 - cell.com
CpG islands are associated with at least half of all cellular genes and are normally
methylation-free. Dense methylation of cytosine residues within islands causes strong and …