In the leukemic cells of patients without detectable TAL1 rearrangements , TAL1 transcription occurred in either a monoallelic ( 3 of 7 patients ) or a biallelic ( 4 of 7 patients ) fashion .
in the leukemic cells of patients without detectable tal1 rearrangements , tal1 transcription occurred in either a monoallelic ( 3 of 7 patients ) or a biallelic ( 4 of 7 patients ) fashion .
O O B-cell_type I-cell_type O B-multi_cell O O B-protein_molecule O O B-protein_molecule O O O O O O O O O O B-multi_cell O O O O O O O O B-multi_cell O O O