For further understand the characteristic of expression and regulation of miR-29 in myeloid leukemia, we searched from miRWalk datebase and found two anti-apoptotic genes Mcl-1 and Bcl-2, which are target genes by both miR-29a and miR-29b and highly correlate to myeloid leukemia. Here, MCL1 is linked to myeloid leukemia.