Title : R-Ras3, a brain-specific Ras-related protein, activates Akt and promotes cell survival in PC12 cells.

Pub. Date : 2000 Apr 13

PMID : 10803462






7 Functional Relationships(s)
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1 The GTP-binding protein, R-Ras3/M-Ras, is a novel member of the Ras subfamily of GTPases which shows highest sequence similarity to the TC21 gene. Guanosine Triphosphate muscle RAS oncogene homolog Homo sapiens
2 The activation of Akt by R-Ras3 was most likely to be PI3-K-dependent since this biochemical event was blocked by the pharmacological inhibitors, Wortmannin and LY294002, as well as by a dominant negative mutant of PI3-K. More importantly, R-Ras3 affinity-precipitated PI3-K from cell extracts in a GTP-dependent manner, and associated lipid kinase activity was readily detectable in R-Ras3 immune complexes. Wortmannin muscle RAS oncogene homolog Homo sapiens
3 The activation of Akt by R-Ras3 was most likely to be PI3-K-dependent since this biochemical event was blocked by the pharmacological inhibitors, Wortmannin and LY294002, as well as by a dominant negative mutant of PI3-K. More importantly, R-Ras3 affinity-precipitated PI3-K from cell extracts in a GTP-dependent manner, and associated lipid kinase activity was readily detectable in R-Ras3 immune complexes. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one muscle RAS oncogene homolog Homo sapiens
4 The activation of Akt by R-Ras3 was most likely to be PI3-K-dependent since this biochemical event was blocked by the pharmacological inhibitors, Wortmannin and LY294002, as well as by a dominant negative mutant of PI3-K. More importantly, R-Ras3 affinity-precipitated PI3-K from cell extracts in a GTP-dependent manner, and associated lipid kinase activity was readily detectable in R-Ras3 immune complexes. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one muscle RAS oncogene homolog Homo sapiens
5 The activation of Akt by R-Ras3 was most likely to be PI3-K-dependent since this biochemical event was blocked by the pharmacological inhibitors, Wortmannin and LY294002, as well as by a dominant negative mutant of PI3-K. More importantly, R-Ras3 affinity-precipitated PI3-K from cell extracts in a GTP-dependent manner, and associated lipid kinase activity was readily detectable in R-Ras3 immune complexes. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one muscle RAS oncogene homolog Homo sapiens
6 The activation of Akt by R-Ras3 was most likely to be PI3-K-dependent since this biochemical event was blocked by the pharmacological inhibitors, Wortmannin and LY294002, as well as by a dominant negative mutant of PI3-K. More importantly, R-Ras3 affinity-precipitated PI3-K from cell extracts in a GTP-dependent manner, and associated lipid kinase activity was readily detectable in R-Ras3 immune complexes. Guanosine Triphosphate muscle RAS oncogene homolog Homo sapiens
7 As expected, this biological activity of R-Ras3 was also abrogated by the addition of LY294002. 2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one muscle RAS oncogene homolog Homo sapiens