Article
PKB/Akt mediates radiosensitization by the signaling inhibitor LY294002 in human malignant gliomas.
Journal of neuro-oncology - 1 Feb 2005
Nakamura Jean L, Karlsson Amelia, Arvold Nils D, Gottschalk Alexander R, Pieper Russell O, Stokoe David, Haas-Kogan Daphne A
Abstract excerpt
The phosphoinositide 3-kinase (PI3-kinase) signaling pathway is frequently aberrantly activated in glioblastoma multiforme (GM) by mutation or loss of the 3' phospholipid phosphatase PTEN. PTEN abnormalities result in inappropriate signaling to downstream molecules including protein kinase B (PKB/Akt), and mammalian target of rapamycin (mTOR). PI3-kinase activation increases resistance to radiation-induced cell...
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