NUP98 and acute myeloid leukemia: Nup98-HoxA9 is one of the most frequent Nup98-fusion resulting from t(7;11)(p15;p15) chromosomal translocation associated with acute myeloid leukemia, myelodysplastic syndrome, and chronic myeloid leukemia (Nakamura et al., 1996; Borrow et al., 1996; Nishiyama et al., 1999; Yamamoto et al., 2000).