Only those TCC with low IFN-gamma levels in the absence of IL-12 responded to IL-12 by additional enhancement of IFN-gamma production .
only those tcc with low ifn-gamma levels in the absence of il-12 responded to il-12 by additional enhancement of ifn-gamma production .
O O B-cell_line O O B-protein_molecule O O O O O B-protein_molecule O O B-protein_molecule O O O O B-protein_molecule O O