PRDM15 and acute lymphoblastic leukemia: PRDM15 is highly expressed, but rarely mutated, in FL24, DLBCL and Burkitt’s lymphomas (BL) (Fig. 1a and Supplementary Fig. 1A) and in B-cell-derived lymphoma cell lines (i.e. Burkitt’s, DLBCL, B-ALL, etc.)(Fig. 1b).