Constructs were stably transfected into murine erythroleukemia cells and promoter chromatin structure and gene expression were analyzed .
constructs were stably transfected into murine erythroleukemia cells and promoter chromatin structure and gene expression were analyzed .
O O O O O B-cell_type I-cell_type I-cell_type O B-DNA_substructure I-DNA_substructure I-DNA_substructure O O O O O O