tokens: To analyze the effects of ectopic expression of spi-1 on the proliferation/differentiation of human myeloid leukemia cells , K562 cells were stably transfected with a spi-1 expression vector .
folded_tokens: to analyze the effects of ectopic expression of spi-1 on the proliferation/differentiation of human myeloid leukemia cells , k562 cells were stably transfected with a spi-1 expression vector .
labels: O O O O O O O O B-protein_molecule O O B-other_name O B-cell_type I-cell_type I-cell_type I-cell_type O B-cell_line I-cell_line O O O O O B-protein_molecule O O O