Impact of p53 Status on Radiosensitization of Tumor Cells by MET Inhibition–Associated Checkpoint Abrogation

Abstract excerpt

UNLABELLED: Signaling via the MET receptor tyrosine kinase has been implicated in crosstalk with cellular responses to DNA damage. Our group previously demonstrated that MET inhibition in tumor cells with deregulated MET activity results in radiosensitization via downregulation of the ATR-CHK1-CDC25 pathway, a major signaling cascade responsible for intra-S and G2-M cell-cycle arrest following DNA damage. Here we...

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