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Cited by 634

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

A Novel CpG Island Set Identifies Tissue-Specific Methylation at Developmental Gene Loci

Open access
Illingworth, Robert, Kerr, Alastair, DeSousa, Dina, Jørgensen, Helle, Ellis, Peter, Stalker, Jim, Jackson, David, Clee, Chris, Plumb, Robert, Rogers, Jane, Humphray, Sean, Cox, Tony, Langford, Cordelia, Bird, Adrian·2008·PLoS Biology

Abstract

CpG islands (CGIs) are dense clusters of CpG sequences that punctuate the CpG-deficient human genome and associate with many gene promoters. As CGIs also differ from bulk chromosomal DNA by their frequent lack of cytosine methylation, we devised a CGI enrichment method based on nonmethylated CpG affinity chromatography. The resulting library was sequenced to define a novel human blood CGI set that includes many that are not detected by current algorithms. Approximately half of CGIs were associated with annotated gene transcription start sites, the remainder being intra- or intergenic. Using an array representing over 17,000 CGIs, we established that 6%-8% of CGIs are methylated in genomic DNA of human blood, brain, muscle, and spleen. Inter- and intragenic CGIs are preferentially susceptible to methylation. CGIs showing tissue-specific methylation were overrepresented at numerous genetic loci that are essential for development, including HOX and PAX family members. The findings enable a comprehensive analysis of the roles played by CGI methylation in normal and diseased human tissues.

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Crossref · 10.1371/journal.pbio.0060022

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Metadata

Authors
Illingworth, R., Kerr, A., DeSousa, D., Jørgensen, H., Ellis, P., Stalker, J., Jackson, D., Clee, C., Plumb, R., Rogers, J., Humphray, S., Cox, T., Langford, C., & Bird, A.
Venue
PLoS Biology
Published
2008-01-29
Volume
6
Issue
1
Pages
e22
ISSN
  • 1544-9173 (ISSN-L)
  • 1545-7885
OpenAlex
W2002497918
Cited by
634
References
8
FWCI
25.93
Type
journal article
Language
en
Open access
gold

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