KIT and leukemia: We then detected the leukemia stem cell (LSC) frequency in WT and Vav-iCre+, Baf200f/f recipients and found that the percentage of LSC-enriched population (GFP+Lin−c-Kit+) were much higher in the BM and spleen of Vav-iCre+, Baf200f/f group (Fig. 8a).