Acute leukemia in MRP8-PMLRARm4 transgenic mice.

(A, C, E) Samples from control mice. (B, D, F) Samples from leukemicPMLRARαm4 mice. (B) Founder 4099. (D) Transplanted leukemia 4048.2. (F) founder 4042. (A, B) Bone marrow, Wright's Giemsa stain, 500 × . (C, D) Bone marrow, Sudan Black B stain, 965 × . (E, F) Liver, Hematoxylin and eosin stain, 200 × .