Abstract:
:Recently, 5-hydroxymethylcytosine patterning across the tumor genome was considered as a hallmark of cancer development and progression. However, locus-specific difference of hydroxymethylation between colorectal cancer and normal tissue is unknown. In this study, we performed a newly developed method, HMST-seq, to profile 726 aberrant methylated loci and 689 aberrant hydroxymethylated loci synchronously in genome wide of colorectal cancers, majority of which presented higher methylation or lower hydroxymethylationin than in normal group. Besides, abnormal hydroxymethylated modification was more frequently occur at proximal regions close to TSSs and TSSs regions than abnormal methylation. Subsequently, we screened four genes (ALOX15, GHRHR, TFPI2 and TKTL1) with aberrant methylation and aberrant hydroxymethylation at some genome position by functional enrichment analysis as candidate genes associated with colorectal cancer. Our results may allow us to select differentially epigenetically modified target genes implicated in colorectal cancer tumorigenesis.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Li M,Gao F,Xia Y,Tang Y,Zhao W,Jin C,Luo H,Wang J,Li Q,Wang Ydoi
10.1038/srep31826subject
Has Abstractpub_date
2016-08-22 00:00:00pages
31826issn
2045-2322pii
srep31826journal_volume
6pub_type
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