Activation of NF-kappa B by oncogenic Raf in HEK 293 cells occurs through autocrine recruitment of the stress kinase cascade.

Abstract excerpt

Raf-1 kinase has been implicated in the induction of NF-kappa B activity by serum growth factors, phorbol ester and PTK oncogenes. Here we show that Raf activation of NF-kappa B, as measured in reporter gene assays, occurs indirectly and requires the stress kinase cascade. The stress pathway presumably becomes activated through induction of an autocrine loop by activated Raf (Raf-BXB) as suramin, the tyrphostin...

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