2010
DOI: 10.1051/medsci/201026121067
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La signalisation RTK/RAS/ERK élargie

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Cited by 7 publications
(4 citation statements)
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References 54 publications
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“…Ras, a small G-protein, is an important signaling mediator which leads to activation of mitogen-activated protein kinase kinases 1,2 (MEK1,2) which activate ERKs(17). Recent evidence indicates that CpG-ODN administration activates the ERK signaling pathway (18).…”
Section: Introductionmentioning
confidence: 99%
“…Ras, a small G-protein, is an important signaling mediator which leads to activation of mitogen-activated protein kinase kinases 1,2 (MEK1,2) which activate ERKs(17). Recent evidence indicates that CpG-ODN administration activates the ERK signaling pathway (18).…”
Section: Introductionmentioning
confidence: 99%
“…Learning Disability in RASopathies http://dx.doi.org/10.5772/intechopen.69571 RAS genes, including HRAS, NRAS and KRAS, encode for small guanosine nucleotide-bound GTPases which are positively matched with different kind of receptors, inducing a transformation in an active GTP-bound form and an inactive Guanosine Diphosphate (GDP) bound form. Activation of RAS through receptor tyrosine kinases (RTKs) occurs thanks to recruitment of the adaptor protein growth factor receptor bound protein 2 (GRB2) and son of sevenless (SOS) which increase the level of active GTP-bound Ras [36][37][38].…”
Section: The Ras/mitogen-activated Protein Kinase (Mapk) Pathwaymentioning
confidence: 99%
“…Among the negative regulators of this cascade, neurofibromin 1 (NF1) is a GTPase-activating protein that is a negative regulator of RAS (RAS-GAP) and the Sprouty-related protein with an EVH-1 domain SPRED1 [16,[35][36][37][38][39].…”
Section: The Ras/mitogen-activated Protein Kinase (Mapk) Pathwaymentioning
confidence: 99%
“…Ce mécanisme a émergé avec l'apparition des organismes multicellulaires, sans doute pour coordonner la communication cellulaire au sein d'un organisme complexe [1]. Bien que très sophistiquée, la signalisation pTyr résulte de la combinaison de trois mécanismes moléculaires élémentaires que sont : (1) la phosphorylation du substrat, permettant l'activation du signal, (2) l'interaction avec une protéine effectrice contenant un domaine d'interaction protéine-protéine SH2, assurant la lecture du signal, et (3) la déphosphorylation du substrat, conduisant à l'arrêt du signal [2,31]. Ce mécanisme de signalisation est extrê-mement régulé afin d'éviter toute réponse cellulaire inappropriée, ce qui explique le taux cellulaire basal si faible de pTyr.…”
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