However , these plasmids produced transcriptional activity in HeLa cells only in conjunction with interferon gamma stimulation , a condition in which expression of both CIITA and class II major histocompatibility complex surface proteins are induced .
however , these plasmids produced transcriptional activity in hela cells only in conjunction with interferon gamma stimulation , a condition in which expression of both ciita and class ii major histocompatibility complex surface proteins are induced .
O O O B-DNA_family_or_group O O O O B-cell_line I-cell_line O O O O B-protein_molecule I-protein_molecule O O O O O O O O O B-protein_molecule O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_family_or_group I-protein_family_or_group O O O