MN1 and acute myeloid leukemia: When MN1- or GFP-expressing murine AML cells were exposed to Nutlin-3, MN1-expressing cells displayed increased resistance, with an IC50 value nearly twice that of GFP-expressing cells (3.34 μM [95% CI 3.20 to 3.48] vs 5.80 μM [95% CI 5.34 to 6.30]; Figure S6A).