Two of these regions , BR3 and BR4 located at positions -102 to -73 , have not previously been described as regulators of IL-5 expression in T cells .
two of these regions , br3 and br4 located at positions -102 to -73 , have not previously been described as regulators of il-5 expression in t cells .
O O O O O B-DNA_domain_or_region O B-DNA_domain_or_region O O O O O O O O O O O O O O O B-protein_molecule O O B-cell_type I-cell_type O