ST13P4 and B-cell chronic lymphocytic leukemia: Thus, members of the DLEU family, ST13P4 and the miRNAs, MIR16-1 and MIR15, all located in 13q14 were the most commonly deleted genes in CLL/SLL, with DLUE2 being deleted in 27 (18.2%) of the CLL/SLL cases (PFDR = 2.24×10−17).