Journal
TRENDS IN CELL BIOLOGY
Volume 16, Issue 11, Pages 569-577Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2006.09.004
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NEMO, the regulatory subunit of the I kappa B kinase (IKK) complex that controls the activation of the transcription factor NF-kappa B, is required for IKK function in most situations, but its exact mode of action has remained elusive until recently. A series of publications now provides information about how posttranscriptional modifications of NEIVIO, such as ubiquitination, sumoylation or phosphorylation, regulate its function in the IKK complex. These modifications might also regulate a cytosolic pool of free NEMO that controls the activation of NF-kappa B induced by genotoxic stress. Together with a better identification of the modifications controlling partners of NEIVIO, a clearer picture of how IKK becomes activated upon cell stimulation is starting to emerge, providing new clues for how the NF-kappa B pathway could be modulated for therapeutic purposes.
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