SEL1L3 and diffuse large B-cell lymphoma: To test SEL1L3 as targeting moiety of constructs aiming at the BCR of PVRL cells, DLBCL cell lines TMD8 and Oci-Ly3 were transfected with BCRs of the PVRL cases #22 and #30, which were identified as reactive to SEL1L3 (Fig. 2).