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Activation loop phosphorylation of ERK3/ERK4 by group I p21-activated kinases (PAKs) defines a novel PAK-ERK3/4-MAPK-activated protein kinase 5 signaling pathway.
Déléris P, Trost M, Topisirovic I, Tanguay PL, Borden KL, Thibault P, Meloche S. Déléris P, et al. J Biol Chem. 2011 Feb 25;286(8):6470-8. doi: 10.1074/jbc.M110.181529. Epub 2010 Dec 22. J Biol Chem. 2011. PMID: 21177870 Free PMC article.
Insulin activates RSK (p90 ribosomal S6 kinase) to trigger a new negative feedback loop that regulates insulin signaling for glucose metabolism.
Smadja-Lamère N, Shum M, Déléris P, Roux PP, Abe J, Marette A. Smadja-Lamère N, et al. Among authors: Deleris P. J Biol Chem. 2013 Oct 25;288(43):31165-76. doi: 10.1074/jbc.M113.474148. Epub 2013 Sep 13. J Biol Chem. 2013. PMID: 24036112 Free PMC article.
Posttranslational regulation of self-renewal capacity: insights from proteome and phosphoproteome analyses of stem cell leukemia.
Trost M, Sauvageau M, Hérault O, Deleris P, Pomiès C, Chagraoui J, Mayotte N, Meloche S, Sauvageau G, Thibault P. Trost M, et al. Among authors: Deleris P. Blood. 2012 Aug 23;120(8):e17-27. doi: 10.1182/blood-2011-12-397844. Epub 2012 Jul 16. Blood. 2012. PMID: 22802335 Free PMC article.
Targeted inactivation of Mapk4 in mice reveals specific nonredundant functions of Erk3/Erk4 subfamily mitogen-activated protein kinases.
Rousseau J, Klinger S, Rachalski A, Turgeon B, Déléris P, Vigneault E, Poirier-Héon JF, Davoli MA, Mechawar N, El Mestikawy S, Cermakian N, Meloche S. Rousseau J, et al. Among authors: Deleris P. Mol Cell Biol. 2010 Dec;30(24):5752-63. doi: 10.1128/MCB.01147-10. Epub 2010 Oct 18. Mol Cell Biol. 2010. PMID: 20956558 Free PMC article.
Characterization of a G protein-activated phosphoinositide 3-kinase in vascular smooth muscle cell nuclei.
Bacqueville D, Déléris P, Mendre C, Pieraggi MT, Chap H, Guillon G, Perret B, Breton-Douillon M. Bacqueville D, et al. Among authors: Deleris P. J Biol Chem. 2001 Jun 22;276(25):22170-6. doi: 10.1074/jbc.M011572200. Epub 2001 Apr 12. J Biol Chem. 2001. PMID: 11303021
In vitro PI3K assays performed without the addition of any exogenous substrates revealed that guanosine 5'-(gamma-thio)triphosphate (GTPgammaS) specifically stimulated the nuclear synthesis of phosphatidylinositol 3,4,5-trisphosphate (PtdIns(3,4,5)P(3)), whereas guanosine 5'-(beta-thio)diphosphate was ineffective. PI3K inhibitors wortmannin and LY294002 prevented GTPgammaS-induced PtdIns(3,4,5)P(3) synthesis. Moreover, pertussis toxin inhibited partially PtdIns(3,4,5)P(3) accumulation, suggesting that nuclear G(i)/G(0) proteins are involved in the activation of PI3K. ...
In vitro PI3K assays performed without the addition of any exogenous substrates revealed that guanosine 5'-(gamma-thio)triphosphate (GTPgamm …
Nuclear Ptdlns(3,4,5)P3 signaling: an ongoing story.
Déléris P, Gayral S, Breton-Douillon M. Déléris P, et al. J Cell Biochem. 2006 Jun 1;98(3):469-85. doi: 10.1002/jcb.20695. J Cell Biochem. 2006. PMID: 16645993 Review.
Ptdlns(3,4,5)P(3) is primarily synthesized by class I phosphoinositide 3-kinases and its hydrolysis by two 3-phosphoinositide 3-phosphatases, PTEN and SHIP proteins, leads to the production of two other second messengers, Ptdlns(4,5)P(2) and Ptdlns(3,4)P(2), respectively. ...The aim of this review is intended to summarize the state of our knowledge on nuclear Ptdlns(3,4,5)P(3) and its metabolizing enzymes, and to highlight the emerging roles for intranuclear Ptdlns(3,4,5)P(3)....
Ptdlns(3,4,5)P(3) is primarily synthesized by class I phosphoinositide 3-kinases and its hydrolysis by two 3-phosphoinositide 3-phosp …
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