This is the first description of a negative regulatory region responsive to glucocorticoids in a cytokine gene .
this is the first description of a negative regulatory region responsive to glucocorticoids in a cytokine gene .
O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-lipid O O B-DNA_family_or_group I-DNA_family_or_group O