Non-germ Line Restoration of Genomic Imprinting for a Small Subset of Imprinted Genes in Ubiquitin-like PHD and RING Finger Domain-Containing 1 (Uhrf1) Null Mouse Embryonic Stem Cells.

Abstract excerpt

The underlying mechanism for the establishment and maintenance of differential DNA methylation in imprinted genes is largely unknown. Previous studies using Dnmt1 knock-out embryonic stem (ES) cells demonstrated that, although re-expression of DNMT1 restored DNA methylation in the non-imprinted regions, the methylation patterns of imprinted genes could be restored only through germ line passage. Knock-out of...

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