In contrast , a high level of bcl-2 protects cells in vitro and in vivo from the viral protease and prevents cell death following HIV infection of human lymphocytes , while reducing the yields of viral structural proteins , infectivity , and tumor necrosis factor alpha .
in contrast , a high level of bcl-2 protects cells in vitro and in vivo from the viral protease and prevents cell death following hiv infection of human lymphocytes , while reducing the yields of viral structural proteins , infectivity , and tumor necrosis factor alpha .
O O O O O O O B-protein_molecule O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-other_name I-other_name O B-cell_type I-cell_type O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O