Article
A functional role for Tsix transcription in blocking Xist RNA accumulation but not in X-chromosome choice.
Proceedings of the National Academy of Sciences of the United States of America - 28 Aug 2001
Stavropoulos N, Lu N, Lee J T
Abstract excerpt
In female mammals, up-regulation of Xist triggers X-chromosome inactivation in cis. Up-regulation is inhibited by sequences 3' to Xist contained within the antisense locus, Tsix. Inhibition could depend on transcription of Tsix and/or on DNA elements therein. Here we test the role of Tsix transcription by augmenting the duration and strength of Tsix expression. We find that Tsix hypertranscription is sufficient...
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