Interestingly, this VHSM7.a2psi.88 was found recombined to DSP2.9 and IGHJ4 genes in expanded clones from 3 different Traf2DNxBCL2-tg+/+ mice with CLL/SLL, producing an identical HCDR3 sequence (see below). This evidence concerns the gene IGHJ4 and B-cell chronic lymphocytic leukemia.