For instance, CD123 [144] and CD26 [44] display high expression in FLT3-ITD-mutated LSC, NPM1c−HLA−A2 complex in NPM1c+HLA−A2+ AML [129], and CD33-FLT3 in KMT2A-mutated infant patients [142]. This evidence concerns the gene CD33 and acute myeloid leukemia.