In conclusion , E1A expression marks cells for destruction by the host NK cell response , whereas the E7 oncoprotein lacks this activity .
in conclusion , e1a expression marks cells for destruction by the host nk cell response , whereas the e7 oncoprotein lacks this activity .
O O O B-protein_molecule O O O O O O O B-other_name B-cell_type I-cell_type O O O O B-protein_molecule O O O O O