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Τετάρτη 25 Οκτωβρίου 2017

The role of RAS mutations in MLL-rearranged leukaemia: A path to intervention?

Publication date: Available online 19 October 2017
Source:Biochimica et Biophysica Acta (BBA) - Reviews on Cancer
Author(s): Marcela B. Mansur, Anthony M. Ford, Mariana Emerenciano
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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