(A) Mean bioluminescence of mice treated with vehicle, KPT-251, and KPT-330 during the 36 days of treatment or until mice became moribund and were sacrificed (n=8) All treatments significantly delayed leukaemia growth by two-way ANOVA analysis (p<0.0001). (B) Kaplan-Meier survival analysis of mice treated with vehicle control, KPT-251 and KPT-330 (n=8; p< 0.0001). (C) Weights of mice treated with vehicle, KPT-251, or KPT-330 from the start of treatment until day 21 are displayed.