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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Oncotarget 2016 ; 7 (38): 61619-29 Nephropedia Template TP
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RhoGDI? suppresses self-renewal and tumorigenesis of glioma stem cells #MMPMID27557508
Wu F; Hu P; Li D; Hu Y; Qi Y; Yin B; Jiang T; Yuan J; Han W; Peng X
Oncotarget 2016[Sep]; 7 (38): 61619-29 PMID27557508show ga
Glioma stem cells (GSCs) are a subset of tumor cells that drive glioma initiation and progression. The molecular mechanisms underlying the maintenance of GSCs are still poorly understood. Here we investigated the role of Rho GDP dissociation inhibitor ? (RhoGDI?) in GSCs. RhoGDI? was down-regulated in glioma stem cells. Over-expression of RhoGDI? suppressed the self-renewal and tumorigenesis of GSCs. Further data showed that RhoGDI? inhibited the transcription activity of stem cell marker Oct4. Moreover, inactivation of ROCK1, a downstream effector of RhoGDI?, also decreased the self-renewal and Oct4 transcription activity, and rescued the effects caused by RhoGDI? knockdown. Our results indicate that RhoGDI? is involved in the maintenance of GSCs.