Title : Cyclic AMP promotes cAMP-responsive element-binding protein-dependent induction of cellular inhibitor of apoptosis protein-2 and suppresses apoptosis of colon cancer cells through ERK1/2 and p38 MAPK.

Pub. Date : 2004 Jun 18

PMID : 15078890






1 Functional Relationships(s)
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1 Studies with pharmacological inhibitors revealed that cAMP-dependent phosphorylation of CREB required activation of ERK1/2 and p38 MAPK but was largely independent of protein kinase A. Immunoblots and transcriptional reporter assays using specific inhibitors, as well as expression of constitutively active forms of MEK1 and MKK3, showed that c-IAP2 induction by cAMP is regulated predominantly through ERK1/2 and p38 MAPK and suggested involvement of p90 ribosomal protein S6 kinase and mitogen and stress response kinase-1 as well. Cyclic AMP mitogen-activated protein kinase kinase 3 Homo sapiens