Article
K-RAS(V12) induces autocrine production of EGFR ligands and mediates radioresistance through EGFR-dependent Akt signaling and activation of DNA-PKcs.
International journal of radiation oncology, biology, physics - 1 Dec 2011
Minjgee Minjmaa, Toulany Mahmoud, Kehlbach Rainer, Giehl Klaudia, Rodemann H Peter
Abstract excerpt
PURPOSE: It is known that postirradiation survival of tumor cells presenting mutated K-RAS is mediated through autocrine activation of epidermal growth factor receptor (EGFR). In this study the molecular mechanism of radioresistance of cells overexpressing mutated K-RAS(V12) was investigated. METHODS AND MATERIALS: Head-and-neck cancer cells (FaDu) presenting wild-type K-RAS were transfected with empty vector or...
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