Identification of nucleolar effects in JNK-deficient cells.

@article{Mialon2008IdentificationON,
  title={Identification of nucleolar effects in JNK-deficient cells.},
  author={Antoine Mialon and Jacob Thastrup and Tuula Kallunki and Leni Mannermaa and Jukka Westermarck and Tim H Holmstr{\"o}m},
  journal={FEBS letters},
  year={2008},
  volume={582 20},
  pages={3145-51}
}
The c-Jun N-terminal kinase (JNK) signalling pathway has an established role in cellular stress signalling, cell survival and tumorigenesis. Here, we demonstrate that inhibition of JNK signalling results in partial delocalization of the RNA helicase DDX21 from the nucleolus to the nucleoplasm, increased nucleolar mobility of DDX21 and inhibition of rRNA processing. Furthermore, our results show that JNK signalling regulates DDX21 phosphorylation and protein expression. In conclusion, the… CONTINUE READING

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