The role of RAS mutations in MLL-rearranged leukaemia: A path to intervention?
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Childhood acute lymphoblastic leukaemia (ALL) with MLL rearrangement (MLL-r) is an aggressive disease still associated with a high mortality rate. Recent investigations have identified co-operating mutations in the RAS pathway and although the functional consequences of these mutations are not yet fully understood, aberrant regulation of RAS pathway signalling at both transcriptional and protein levels is observed. Studies investigating the efficacy of specific inhibitors of this pathway, e.g. MEK-inhibitors, have also achieved encouraging results. In this context, this mini-review summarizes the available data surrounding MLL-r infant ALL with RAS mutation in relation to other well-known features of this intriguing disease.
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Acute lymphoblastic leukaemia
Mitogen-Activated Protein Kinase Kinases
Myeloid-Lymphoid Leukemia Protein
Precursor Cell Lymphoblastic Leukemia-Lymphoma
fms-Like Tyrosine Kinase 3
Biology of Childhood Leukaemia
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Biochim Biophys Acta Rev Cancer, 2017, 1868 (2), pp. 521 - 526