2001
DOI: 10.1038/83960
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Specific function of B-Raf in mediating survival of embryonic motoneurons and sensory neurons

Abstract: Embryonic sensory and motoneurons depend on neurotrophic factors for survival. Here we show that their survival requires B-Raf, which, in this function, cannot be substituted by C-Raf. Sensory and motoneurons from b-raf-deficient mice do not respond to neurotrophic factors for their survival. However, these primary neurons can be rescued by transfection of a b-raf expression plasmid. In contrast, c-raf-deficient neurons survive in response to neurotrophic factors, similarly to neurons from wild-type mice. This… Show more

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Cited by 102 publications
(100 citation statements)
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“…B-RAF expression has been shown to be essential for survival of sensory neurons, motoneurons, and neural progenitors (12,46). To determine the function of B-RAF in the neocortex, we compared cell proliferation and survival in wild-type and B-RAF-deficient mice.…”
Section: Resultsmentioning
confidence: 99%
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“…B-RAF expression has been shown to be essential for survival of sensory neurons, motoneurons, and neural progenitors (12,46). To determine the function of B-RAF in the neocortex, we compared cell proliferation and survival in wild-type and B-RAF-deficient mice.…”
Section: Resultsmentioning
confidence: 99%
“…No specific role has yet been assigned to B-RAF in mouse development after midgestation, when the majority of brain development occurs and when neurons express much higher levels of B-RAF than other cell types. Also, it is not clear whether B-RAF-mediated protection of endothelial cells from apoptosis is associated with its high MEK kinase activity or involves other pathways (3,46).…”
mentioning
confidence: 99%
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“…En l'absence de C-Raf, des niveaux d'apoptose importants sont observés dans plusieurs tissus, en particulier hépatique [14]. De la même façon, l'absence de B-Raf affecte la survie des cellules neuronales [15,16]. Ces travaux ont permis de mettre en évidence le rôle fondamental des kinases RAF dans .…”
Section: Effets Anti-apoptotiques Des Kinases Rafunclassified