Coustan-Smith et al. introduced 22 new markers (CD44, BCL2, HSPB1, CD73, CD24, CD123, CD72, CD86, CD200, CD79b, CD164, CD304, CD97, CD102, CD99, CD300a, CD130, PBX1, CTNNA1, ITGB7, CD69, CD49f), which were expressed in 81.4% of ALL cases. This evidence concerns the gene PBX1 and acute lymphoblastic leukemia.