We have generated a second line of mice lacking a transcription factor thought to be a critical regulator of MHC class II gene expression , CIITA ( for class II transactivator ) .
we have generated a second line of mice lacking a transcription factor thought to be a critical regulator of mhc class ii gene expression , ciita ( for class ii transactivator ) .
O O O O O O O B-multi_cell O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O B-other_name I-other_name B-protein_family_or_group O O