Anti-BATF3 AB labeled the 17-kDa BATF3 protein in cell lysates from cHL (L-428, L-1236, U-HO1, HDLM-2, KM-H2, Sup-HD1, L-540) and T-LBL/ALL (Jurkat), while cell lysates from BL (Ramos) were not reactive (Figure 3). The gene discussed is BATF3; the disease is acute lymphoblastic leukemia.