Abstract:
:The cause of inflammatory bowel disease (IBD) is still unknown, but there is growing evidence that environmental factors such as epigenetic changes can contribute to the disease etiology. The aim of this study was to identify newly hypermethylated genes in ulcerative colitis (UC) using a genome-wide DNA methylation approach. Using an Infinium HumanMethylation450 BeadChip array, we screened the DNA methylation changes in three normal colon controls and eight UC patients. Using these methylation profiles, 48 probes associated with CpG promoter methylation showed differential hypermethylation between UC patients and normal controls. Technical validations for methylation analyses in a larger series of UC patients (n = 79) were performed by methylation-specific PCR (MSP) and bisulfite sequencing analysis. We finally found that three genes (FAM217B, KIAA1614 and RIBC2) that were significantly elevating the promoter methylation levels in UC compared to normal controls. Interestingly, we confirmed that three genes were transcriptionally silenced in UC patient samples by qRT-PCR, suggesting that their silencing is correlated with the promoter hypermethylation. Pathway analyses were performed using GO and KEGG databases with differentially hypermethylated genes in UC. Our results highlight that aberrant hypermethylation was identified in UC patients which can be a potential biomarker for detecting UC. Moreover, pathway-enriched hypermethylated genes are possibly implicating important cellular function in the pathogenesis of UC. Overall, this study describes a newly hypermethylated gene panel in UC patients and provides new clinical information that can be used for the diagnosis and therapeutic treatment of IBD.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Kang K,Bae JH,Han K,Kim ES,Kim TO,Yi JMdoi
10.3390/ijms17081291subject
Has Abstractpub_date
2016-08-09 00:00:00issue
8issn
1422-0067pii
ijms17081291journal_volume
17pub_type
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
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更新日期:2018-08-26 00:00:00
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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更新日期:2016-09-06 00:00:00
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journal_title:International journal of molecular sciences
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更新日期:2019-08-26 00:00:00
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journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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更新日期:2016-03-24 00:00:00