Title : Protein kinase D links Gq-coupled receptors to cAMP response element-binding protein (CREB)-Ser133 phosphorylation in the heart.

Pub. Date : 2008 Jun 20

PMID : 18378685






6 Functional Relationships(s)
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1 We show that thrombin activates a PKCdelta-PKD pathway leading to CREB-Ser(133) phosphorylation in cardiomyocytes and cardiac fibroblasts. Serine protein kinase D1 Mus musculus
2 alpha(1)-Adrenergic receptors also activate a PKCdelta-PKD-CREB-Ser(133) phosphorylation pathway in cardiomyocytes. Serine protein kinase D1 Mus musculus
3 Pasteuralla multocida toxin (PMT), a direct Galpha(q) agonist that induces robust cardiomyocyte hypertrophy, also activates the PKD-CREB-Ser(133) phosphorylation pathway, leading to the accumulation of active PKD and Ser(133)-phosphorylated CREB in the nucleus, activation of a CRE-responsive promoter, and increased Bcl-2 (CREB target gene) expression in cardiomyocyte cultures. Serine protein kinase D1 Mus musculus
4 Pasteuralla multocida toxin (PMT), a direct Galpha(q) agonist that induces robust cardiomyocyte hypertrophy, also activates the PKD-CREB-Ser(133) phosphorylation pathway, leading to the accumulation of active PKD and Ser(133)-phosphorylated CREB in the nucleus, activation of a CRE-responsive promoter, and increased Bcl-2 (CREB target gene) expression in cardiomyocyte cultures. Serine protein kinase D1 Mus musculus
5 Pasteuralla multocida toxin (PMT), a direct Galpha(q) agonist that induces robust cardiomyocyte hypertrophy, also activates the PKD-CREB-Ser(133) phosphorylation pathway, leading to the accumulation of active PKD and Ser(133)-phosphorylated CREB in the nucleus, activation of a CRE-responsive promoter, and increased Bcl-2 (CREB target gene) expression in cardiomyocyte cultures. Serine protein kinase D1 Mus musculus
6 Collectively, these studies identify a novel Galpha(q)-PKCdelta-PKD-CREB-Ser(133) phosphorylation pathway that is predicted to contribute to cardiac remodeling and could be targeted for therapeutic advantage in the setting of heart failure phenotypes. Serine protein kinase D1 Mus musculus