In contrast to its transient pattern of nuclear induction during an immune response , NF-kappaB is constitutively activated in cells expressing the Tax transforming protein of human T-cell leukemia virus type I ( HTLV-1 ) .
in contrast to its transient pattern of nuclear induction during an immune response , nf-kappab is constitutively activated in cells expressing the tax transforming protein of human t-cell leukemia virus type i ( htlv-1 ) .
O O O O O O O O O O O O O O B-protein_complex O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-virus I-virus I-virus I-virus I-virus I-virus O B-virus O O