Article
CTCF binding is not the epigenetic mark that establishes post-fertilization methylation imprinting in the transgenic H19 ICR.
Human molecular genetics - 1 Apr 2010
Matsuzaki Hitomi, Okamura Eiichi, Fukamizu Akiyoshi, Tanimoto Keiji
Abstract excerpt
Imprinted expression of the mouse Igf2/H19 locus is controlled by parent-of-origin-specific methylation of the imprinting control region (ICR). We previously demonstrated that when placed in a heterologous genomic context, the H19 ICR fragment contains an intrinsic activity that allows it to acquire differential methylation in somatic cells but not in germ cells. In the present study, we investigated the...
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