Genetic Response to Farnesyltransferase Inhibitors: Proapoptotic Targets of RhoB
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چکیده
منابع مشابه
Farnesyltransferase inhibitors disrupt EGF receptor traffic through modulation of the RhoB GTPase.
The Rho family of small GTPases play a pivotal role in the dynamic regulation of the actin cytoskeleton. Recent studies have suggested that these signalling proteins also have wide-ranging functions in membrane trafficking pathways. The Rho family member RhoB was shown to localise to vesicles of the endocytic compartment, suggesting a potential function in regulation of endocytic traffic. In ke...
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Farnesyltransferase inhibitors (FTIs) are in clinical trials, but their mechanism of action is not fully understood. We have shown that FTI treatment rapidly elevates the level of geranylgeranylated RhoB in cells and that this event is sufficient to inhibit cell cycle transit and reverse malignant transformation without affecting normal cells. However, because these observations were made in ro...
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Farnesyltransferase inhibitors (FTIs) usually cause growth inhibition, but in certain preclinical settings they have been shown to induce apoptosis, a clinically desirable response. In this study, we show that the proapoptotic effects of FTIs in Ras-transformed cells are masked by activation of phosphatidylinositol 3'-kinase (PI3'K) or AKT, which are controlled by cytokines and integrins. The r...
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ژورنال
عنوان ژورنال: Cancer Biology & Therapy
سال: 2003
ISSN: 1538-4047,1555-8576
DOI: 10.4161/cbt.2.3.385