Article
Hematopoietic precursor cells transiently reestablish permissiveness for X inactivation.
Molecular and cellular biology - 1 Oct 2006
Savarese Fabio, Flahndorfer Katja, Jaenisch Rudolf, Busslinger Meinrad, Wutz Anton
Abstract excerpt
Xist is the trigger for X inactivation in female mammals. The long noncoding Xist RNA localizes along one of the two female X chromosomes and initiates chromosome-wide silencing in the early embryo. In differentiated cells, Xist becomes dispensable for the maintenance of the inactive X, and its function for initiation of silencing is lost. How Xist mediates gene repression remains an open question. Here, we use...
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