CD8B and diffuse large B-cell lymphoma: Apoptosis induction was detectable in the ABC DLBCL cell lines OCI-Ly10, TMD8 and Riva, but not in the GCB DLBCL (HT, K422) or the AZD8186-resistant cells OCI-Ly1 and OCI-Ly3 that served as negative controls (Fig. 1c).