We studied their activity after transfection into K562 cells , an erythroleukemia cell line with an embryonic-fetal phenotype .
we studied their activity after transfection into k562 cells , an erythroleukemia cell line with an embryonic-fetal phenotype .
O O O O O O O B-cell_line I-cell_line O O B-cell_line I-cell_line I-cell_line O O B-other_name I-other_name O