The human interleukin-3 ( IL-3 ) gene is expressed almost exclusively in activated T cells .
the human interleukin-3 ( il-3 ) gene is expressed almost exclusively in activated t cells .
O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region B-protein_molecule O O O O O O O O B-cell_type I-cell_type O