We now demonstrate that B7 , but not LFA-3 , strongly costimulated IL-2 transcription and mRNA expression in CD4+ T cells .
we now demonstrate that b7 , but not lfa-3 , strongly costimulated il-2 transcription and mrna expression in cd4+ t cells .
O O O O B-protein_molecule O O O B-protein_molecule O O O B-protein_molecule O O B-other_name I-other_name O B-cell_line I-cell_line I-cell_line O