Reference : Yes and PI3K bind CD95 to signal invasion of glioblastoma.
Scientific journals : Article
Life sciences : Biochemistry, biophysics & molecular biology
Yes and PI3K bind CD95 to signal invasion of glioblastoma.
Kleber, Susanne mailto []
Sancho-Martinez I []
Wiestler B []
Beisel A []
Gieffers C []
Hill O []
Thiemann M []
Mueller W []
Sykora J []
Kuhn A []
schreglmann n []
Letellier, Elisabeth mailto [German Cancer Research Center]
Zuliani C []
Klussmann S []
Teodorczyk M []
Gröne HJ []
Ganten TM []
Sültmann H []
Tüttenberg J []
von Deimling A, []
Regnier-Vigouroux A []
Herold-Mende C []
Martin-Villalba A., ana mailto []
Cancer Cell
[en] CD95 glioblastome
[en] Invasion of surrounding brain tissue by isolated tumor cells represents one of the main obstacles to a curative therapy of glioblastoma multiforme. Here we unravel a mechanism regulating glioma infiltration. Tumor interaction with the surrounding brain tissue induces CD95 Ligand expression. Binding of CD95 Ligand to CD95 on glioblastoma cells recruits the Src family member Yes and the p85 subunit of phosphatidylinositol 3-kinase to CD95, which signal invasion via the glycogen synthase kinase 3-beta pathway and subsequent expression of matrix metalloproteinases. In a murine syngeneic model of intracranial GBM, neutralization of CD95 activity dramatically reduced the number of invading cells. Our results uncover CD95 as an activator of PI3K and, most importantly, as a crucial trigger of basal invasion of glioblastoma in vivo.

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