Addition of r-hTBP-1 to U1 cells during the last 4 h of a 24 h incubation with PMA still inhibited p24 antigen production by 15% .
addition of r-htbp-1 to u1 cells during the last 4 h of a 24 h incubation with pma still inhibited p24 antigen production by 15% .
O O B-protein_molecule O B-cell_line I-cell_line O O O O O O O O O O O B-other_organic_compound O O B-protein_molecule I-protein_molecule O O O O