MX1 and acute myeloid leukemia: All Mx1-CreCbfb+/56M-ΔHABD mice also died from AML with a longer median survival of 193 days (line Cbfb+/56M-ΔHABD1, referred to as CreCbfb+/56M-ΔHABD) and 255.5 days (line Cbfb+/56M-ΔHABD2).