SOX11 and Burkitt lymphoma: SOX11 positive cell lines showed strong (Z138, GRANTA-519, SP53, JEKO-1 (all MCL) and KM3 (Acute B lymphoblastic leukemia)), or moderate to weak staining (REC-1 (MCL) and BJAB (Burkitt’s lymphoma)) by SOX11-C1 antibody (Figure3).