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PARENT SESSION

Signal Transduction in Radiotherapy Treatment

Tuesday, October 18, 2005 7:45 AM-8:45 AM Room No. 710/712

(TR009) Signal transduction in radiotherapy treatment.

McKenna, Gillies1, 1 Radiation Oncology & Biology, Oxford, United Kingdom

ABSTRACT- One factor that has been shown to contribute to the increased survival of tumor cells is the activation of signaling pathways in which oncogene products play a central role. The role of ras mutation and more recently Ras signaling has been an area of intense study in both radiobiology and tumor biology in general. In this review, we focus on findings from our lab and others that led to the current hypotheses relating to the role of Ras signaling in tumor radiation survival and the strategies used to block Ras activation. We will also point out new means of studying the contribution of Ras and Ras pathway components that could contribute to defining new targets for inhibition in the context of radiation therapy.

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2005 RRS