DNMT3A and myelodysplastic syndrome: Though similar genes were mutated among different8,12 MDS cohort, in our study low frequency of TET2 (9% vs. 37.6% vs. 30.2%), ASXL1 (9.9% vs. 26.6% vs. 16.6), DNMT3A (4.5% vs. 15% vs. 12%) were observed.