TG and B-cell chronic lymphocytic leukemia: As described above, the analysis of the IGHV subgroup usage of the expanded Traf2DNxBCL2-tg+/+ CLL/SLL clones indicates a preponderance of certain gene subgroups (IGHV1 > IGHV5 > IGHV14 > IGHV3) (Supplementary Table 5).