ASXL1 and myelodysplastic syndrome: Seven genes were previously reported to harbor independent prognostic significance in MDS and impact on OS: TP53, EZH2, RUNX1, NRAS, ASXL1 and SF3B1. All of them, regardless of SF3B1, have negative influence on survival and could actively participate as triggers of disease progression to AML [20,26,27].