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Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico

Involvement of RalB in the effect of geranylgeranyltransferase I on glioma cell migration and invasion.


PMID 25573158

Abstract

The present study aimed at investigating the role and potential mechanism of geranylgeranyltransferase I (GGTase-I) on glioma cell migration and invasion. Wound-healing assay and transwell assay were performed to study whether GGTase-I and Ras-like GTPase B (RalB) have effect on glioma cell migration and invasion. We found that knockdown of GGTase-I or RalB both significantly decreased the migratory and invasive abilities of glioma cells. GGTase-I down-regulation suppressed RalB membrane association. Moreover, down-regulation of RalB partially abolished the effect of GGTβ over-expression-induced glioma cell migration and invasion increase. These findings suggest that RalB might be one of the targets for facilitating the invasive phenotype of malignant gliomas induced by GGTase-I.

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