Am J Physiol Renal Physiol
March 2008
We have shown that mouse proximal tubule cells (TKPTS) survive H(2)O(2) stress by activating the cAMP-responsive element binding protein (CREB)-mediated transcription via the canonical EGFR-Ras/ERK pathway. By contrast, cisplatin activates EGFR/Ras/ERK signaling in TKPTS cells yet promotes cell death rather than survival. We now demonstrate that the cisplatin-induced activated EGFR/Ras/ERK signaling cascade fails to activate CREB-mediated transcription even in the presence of phosphorylated CREB.
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