Scientists have made a major discovery about how cells repair broken strands of DNA that could have huge implications for the treatment of Cancer. Their study, published in Nature, uncovered a brand new protein complex in cells that shields broken DNA ends and controls the way in which it is repaired. The new complex pushes Cancer Cells to use a particular type of DNA repair system that is vulnerable to targeting by exciting new drugs called PARP inhibitors or platinum-based chemotherapies. The landmark study was a result of collaboration between the University of Toronto, The Institute of Cancer Research, London,

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