The CD19-NKp46-NKCE was able to potentiate both NK-cell cytotoxicity (Fig. 3B) and CD107a degranulation (Fig. 3C) against BCP-ALL cells (ALL#06), but due to lack of CD20 expression, the CD20-NKp46-NKCE had no effect. This evidence concerns the gene LAMP1 and acute lymphoblastic leukemia.