1 , 25-dihydroxy vitamin D3 and 12-O-tetradecanoyl phorbol-13-acetate ( TPA ) interact synergistically to induce monocytic differentiation of U937 histiocytic lymphoma cells .
1 , 25-dihydroxy vitamin d3 and 12-o-tetradecanoyl phorbol-13-acetate ( tpa ) interact synergistically to induce monocytic differentiation of u937 histiocytic lymphoma cells .
B-lipid I-lipid I-lipid I-lipid I-lipid O B-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line O