Human T-cell leukemia virus type I ( HTLV-I ) -infected T-cell lines constitutively produce high levels of interleukin-1alpha ( IL-1alpha ) .
human t-cell leukemia virus type i ( htlv-i ) -infected t-cell lines constitutively produce high levels of interleukin-1alpha ( il-1alpha ) .
B-virus I-virus I-virus I-virus I-virus I-virus O B-virus O O O O O O O O O B-protein_molecule O B-protein_molecule O O