Title : cAMP stimulates protein kinase B in a Wortmannin-insensitive manner.

Pub. Date : 1997 Jun 9

PMID : 9202156






7 Functional Relationships(s)
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1 cAMP stimulates protein kinase B in a Wortmannin-insensitive manner. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
2 Here, we show that agents which raise intracellular cAMP can also stimulate PKB. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
3 In addition, the activation pathway of PKB by cAMP seems to be linked to that of growth factors, albeit downstream of PI3-kinase. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
4 Evidence for this is that a constitutive active PKB, T308D, S473D, containing activating mutations in the serine and threonine residues which are phosphorylated subsequent to PI3-kinase activation, cannot be further stimulated by cAMP elevations. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
5 Hence, these data suggest that, in addition to growth factors, cAMP can also lead to activation of PKB. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
6 This cAMP stimulatory action appears to require phosphorylation of T308 and S473, and hence would indicate that cAMP modulates the phosphorylation event of these PKB regulatory sites. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens
7 This cAMP stimulatory action appears to require phosphorylation of T308 and S473, and hence would indicate that cAMP modulates the phosphorylation event of these PKB regulatory sites. Cyclic AMP protein tyrosine kinase 2 beta Homo sapiens