Differential expression of proteins in bone marrow lymphoblastic cells from childhood pre-B ALL. – A – Down: Two-DE gel image of lymphoblastic cells proteins issuing from bone marrow. Numbers refer to the top eleven proteins which have been characterized and listed in Table 1b. Up: Magnification view of interesting zone – B – 3 D montage of the three top differentially expressed spot proteins (i.e., 2-DE Batch 2768, 3185 and 4083 on rank 1, 2 and 3, respectively). Only 2 individual spot images in each group (1 and 2 = Pre-B2 ALL with t(12;21), 1′ and 2′ = Pre-B2 ALL with other karyotype abnormalities) are shown.