EPHA3 and acute lymphoblastic leukemia: T-ALL occurred in the NHD13-EphA3−/− mice at a lower frequency than in the NHD13- EphA3+/+ mice (9/30 (30%) NHD13-EphA3+/+ mice developed T-ALL, as opposed to 4/25 (16%) NHD13-EphA3−/− mice).