Interplay of the SUMO and MAP kinase pathways.

S. H. Yang, A. D. Sharrocks

    Research output: Contribution to journalArticlepeer-review


    The SUMO modification pathway has been linked with controlling the activity of numerous transcriptional regulatory proteins. In the majority of substrates studied so far, sumoylation imparts repressive properties. In several cases, part of this mechanism has been shown to be due to SUMO-dependent recruitment of histone deacetylases (HDACs). This is exemplified by the transcription factor Elk-1, where HDAC-2 is specifically recruited in response to sumoylation. Importantly, activation of the ERK MAP kinase pathway leads to Elk-1 desumoylation and HDAC loss. Furthermore, PIAS proteins can regulate the activities of transcription factors in SUMO-dependent and -independent manners. Further links between the MAP kinase pathways and PIAS proteins have been uncovered, suggesting a complex interplay been the MAP kinase and SUMO modification pathways. Here we discuss the current evidence suggesting links between the SUMO and MAP kinase pathways and point to other potential regulatory events and how these might be affected in cancer.
    Original languageEnglish
    Pages (from-to)193-209
    Number of pages16
    JournalErnst Schering Research Foundation workshop
    Issue number57
    Publication statusPublished - 2006


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