IL-2 promoter activation in Jurkat T cells stimulated with superantigen presented by Raji B cells requires CD28 activation .
il-2 promoter activation in jurkat t cells stimulated with superantigen presented by raji b cells requires cd28 activation .
B-protein_molecule O O O B-cell_line I-cell_line I-cell_line O O O O O B-cell_line I-cell_line I-cell_line O B-protein_molecule O O