Title : STAT3 regulates Nemo-like kinase by mediating its interaction with IL-6-stimulated TGFbeta-activated kinase 1 for STAT3 Ser-727 phosphorylation.

Pub. Date : 2005 Mar 22

PMID : 15764709






3 Functional Relationships(s)
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1 Here, we show that TGF-beta-activated kinase 1 (TAK1) interacts with STAT3, that the TAK1-Nemo-like kinase (NLK) pathway is efficiently activated by IL-6 through the YXXQ motif, and that this is the YXXQ-mediated H7-sensitive pathway that leads to STAT3 Ser-727 phosphorylation. Serine mitogen-activated protein kinase kinase kinase 7 Homo sapiens
2 Here, we show that TGF-beta-activated kinase 1 (TAK1) interacts with STAT3, that the TAK1-Nemo-like kinase (NLK) pathway is efficiently activated by IL-6 through the YXXQ motif, and that this is the YXXQ-mediated H7-sensitive pathway that leads to STAT3 Ser-727 phosphorylation. Serine mitogen-activated protein kinase kinase kinase 7 Homo sapiens
3 Together, these results indicate that STAT3 enhances the efficiency of its own Ser-727 phosphorylation by acting as a scaffold for the TAK1-NLK kinases, specifically in the YXXQ motif-derived pathway. Serine mitogen-activated protein kinase kinase kinase 7 Homo sapiens