In seven EBV-B cell clones or lines differing in their capacity to secrete IL-2 , the activity of the IL-2 promoter correlated well with the status of IL-2 secretion .
in seven ebv-b cell clones or lines differing in their capacity to secrete il-2 , the activity of the il-2 promoter correlated well with the status of il-2 secretion .
O O B-cell_line I-cell_line I-cell_line O O O O O O O O B-protein_molecule O O O O O B-protein_molecule O O O O O O O B-protein_molecule O O