Evidence from several systems indicates that the immediate early gene , egr-1 may be of particular importance in the immune system .
evidence from several systems indicates that the immediate early gene , egr-1 may be of particular importance in the immune system .
O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O B-DNA_domain_or_region O O O O O O O B-body_part I-body_part O