Title : RhoGEF17, a Rho-specific guanine nucleotide exchange factor activated by phosphorylation via cyclic GMP-dependent kinase Iα.

Pub. Date : 2013 Mar

PMID : 23195829






4 Functional Relationships(s)
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1 We found that in the presence of stable cGMP analogs RhoGEF17 associates with and is phosphorylated by co-expressed cGKIalpha at distinct phosphorylation sites leading to a cooperative activation of RhoA, the Rho dependent kinases (ROCK) and serum response factor-induced gene transcription. Cyclic GMP ras homolog family member A Homo sapiens
2 Together with the ROCK-enforced activation of RhoGEF17 by cGMP/cGKIalpha, this might explain why expression of RhoGEF17 switches the inhibitory effect of cGMP/cGKIalpha on serum-induced RhoA activation into a stimulatory one. Cyclic GMP ras homolog family member A Homo sapiens
3 Together with the ROCK-enforced activation of RhoGEF17 by cGMP/cGKIalpha, this might explain why expression of RhoGEF17 switches the inhibitory effect of cGMP/cGKIalpha on serum-induced RhoA activation into a stimulatory one. Cyclic GMP ras homolog family member A Homo sapiens
4 We conclude that RhoGEF17, depending on its expression profile and level, might drastically alter the effect of cGMP/cGK involving signaling pathways on RhoA-activated downstream effectors. Cyclic GMP ras homolog family member A Homo sapiens