it became irreversible , however , upon simultaneous treatment with dexamethasone and transforming growth factor-beta 1 ( TGF-beta 1 ) , which did not induce differentiation of U937 cells but caused growth arrest of the cells in the G0/G1 phase of the cell cycle .
it became irreversible , however , upon simultaneous treatment with dexamethasone and transforming growth factor-beta 1 ( tgf-beta 1 ) , which did not induce differentiation of u937 cells but caused growth arrest of the cells in the g0/g1 phase of the cell cycle .
O O O O O O O O O O B-lipid O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule O O O O O O O O B-cell_line I-cell_line O O B-other_name I-other_name O O O O O B-other_name I-other_name O O B-other_name I-other_name O