CD8B and lymphoma: We first treated ABC-DLBCL (TMD8, OCI-Ly3) or GCB-DLBCL (OCI-Ly1, OCI-Ly7) cell cultures with a single 1 μM dose of M1i-124, M1i-124d1, mepazine, or DMSO, and then followed the proliferation of these lymphoma lines over the next 12 days.