Abstract
DNA polymerase θ, a protein encoded by the POLQ gene, is the defining factor for the DNA double-strand break repair pathway known as theta-mediated end-joining (TMEJ). Some cancers depend on TMEJ for survival and tumor growth. TMEJ might be useful as a biomarker to guide patient treatment and is now an active target for drug development, making it critical to understand how it is regulated in cells. In a recent article, Prodhomme and colleagues provide the first identification of a transcription regulator of POLQ expression and TMEJ activity: the transcription factor, ZEB1.See related article by Prodhomme et al., p. 1595.
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