Conserved role of intragenic DNA methylation in regulating alternative promoters.
2010
The methylation of DNA in 5′ promoter regions suppresses gene expression, but what is the role of DNA methylation in the bodies of genes? Here, a map of DNA methylation is generated from human brain tissue; it is found that most methylated CpG islands are within intragenic and intergenic regions, rather than within promoters. It is proposed that intragenic methylation regulates the expression of alternative gene transcripts in different tissues and cell types.
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