Article
The glycogen synthase kinase (GSK) 3beta represses RNA polymerase I transcription.
Oncogene - 4 Sept 2008
Vincent T, Kukalev A, Andäng M, Pettersson R, Percipalle P
Abstract excerpt
Several oncogenic proteins and tumour suppressors target the RNA polymerase I and interfere with rRNA synthesis. Here, we show that the glycogen synthase kinase (GSK) 3beta, which phosphorylates the tumour suppressor PTEN (phosphatase and tensin homologue deleted on chromosome 10), is selectively enriched in nucleoli of RAS-transformed cells. Immunoprecipitation and chromatin immunoprecipitation assays performed...
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