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    Paradoxical Effects of MLL Paralogs in MLL-Rearranged Leukemia.

    Cancer Cell 2017 06;31(6):729-731
    Section of Hematology/Oncology, Department of Medicine, University of Chicago, Chicago, IL 60637, USA. Electronic address:
    Conflicting data exist on the requirement for wild-type MLL1 in MLL-rearranged leukemia. In this issue of Cancer Cell, Chen et al. describe complementary approaches demonstrating that MLL1 is dispensable for MLL-fusion-mediated leukemogenesis. They also observe an unexpected role for MLL2 in MLL-rearranged leukemia cells and identify potential therapeutic targets.
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