DNMTs expression in AML samples correlated to each other (DNMT1 and 3A: r=0.71, P<0.0001; DNMT3A and 3B: r=0.52, P=0.0013; DNMT1 and 3B: r=0.35, P=0.04). The gene discussed is DNMT1; the disease is acute myeloid leukemia.