WT1 and acute myeloid leukemia: WT1 has been shown to be a marker of MRD by several groups (Cilloni et al. 2002; Inoue et al. 1996; Osborne et al. 2005; Weisser et al. 2005) reviewed in (Sugiyama, 1998), with the suggestion that this would provide a tool for monitoring MRD in 70% of AML patients (Ostergaard et al. 2004).