Article
Gbetagamma signaling and Ca2+ mobilization co-operate synergistically in a Sos and Rac-dependent manner in the activation of JNK by Gq-coupled receptors.
Cellular signalling - 1 Jul 2004
Chan Anthony S L, Wong Yung H
Abstract excerpt
The mechanism by which G(q)-coupled receptors stimulate the c-Jun N-terminal kinase (JNK) activity has not been fully delineated. Here, we showed that stimulation of endogenous G(q)-coupled receptors in human hepatocarcinoma HepG2 cells resulted in an Src family kinase- and Ca(2+)-dependent JNK activation. Cos-7 cells transfected with HA-tagged JNK and various G(q)-coupled receptors also exhibited similar...
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