Journal
FEBS LETTERS
Volume 481, Issue 3, Pages 205-208Publisher
WILEY
DOI: 10.1016/S0014-5793(00)02003-2
Keywords
Ras; Rho; farnesyltransferase inhibitor; Akt; Prk; signal transduction; apoptosis
Funding
- NCI NIH HHS [CA82222] Funding Source: Medline
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Farnesyltransferase inhibitors (FTIs) induce apoptosis by elevating the levels of geranylgeranylated RhoB (RhoB-GG) in cells, However, the mechanism by which RhoB-GG acts is unclear. Here we report that RhoB-GG is sufficient to mediate the suppressive effects of FTIs on the activity of the survival kinase Akt-1 in epithelial cells, This mechanism is tissue-specific insofar as it does not operate in fibroblasts. We discuss how the cell survival functions of RhoB and Akt may be linked biochemically in certain cell types, (C) 2000 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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