Article
Dosage compensation in the mouse balances up-regulation and silencing of X-linked genes.
PLoS biology - 1 Dec 2007
Lin Hong, Gupta Vibhor, Vermilyea Matthew D, Falciani Francesco, Lee Jeannie T, O'Neill Laura P, Turner Bryan M
Abstract excerpt
Dosage compensation in mammals involves silencing of one X chromosome in XX females and requires expression, in cis, of Xist RNA. The X to be inactivated is randomly chosen in cells of the inner cell mass (ICM) at the blastocyst stage of development. Embryonic stem (ES) cells derived from the ICM of female mice have two active X chromosomes, one of which is inactivated as the cells differentiate in culture,...
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