Abstract:
:Cytosine methylation at CpG dinucleotides is an epigenetic mechanism that affects the gene expression profiles responsible for the functional differences in various cells and tissues. Although gene expression patterns are dynamically altered in response to various stimuli, the intraindividual dynamics of DNA methylation in human cells are yet to be fully understood. Here, we investigated the extent to which DNA methylation contributes to the dynamics of gene expression by collecting 24 blood samples from two individuals over a period of 3 months. Transcriptome and methylome association analyses revealed that only ~2% of dynamic changes in gene expression could be explained by the intraindividual variation of DNA methylation levels in peripheral blood mononuclear cells and purified monocytes. These results showed that DNA methylation levels remain stable for at least several months, suggesting that disease-associated DNA methylation markers are useful for estimating the risk of disease manifestation.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Furukawa R,Hachiya T,Ohmomo H,Shiwa Y,Ono K,Suzuki S,Satoh M,Hitomi J,Sobue K,Shimizu Adoi
10.1038/srep26424subject
Has Abstractpub_date
2016-05-19 00:00:00pages
26424issn
2045-2322pii
srep26424journal_volume
6pub_type
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