cotransfection of cdna encoding the trans-activator gene product of human t-cell leukemia virus , type i ( htlv-i ) ( tat-i ) , which acts in trans to augment viral gene expression , has revealed strong regulatory effects of this viral protein on the inducible cellular promoters governing human interleukin 2 ( il-2 ) and il-2 receptor ( tac ) gene expression .
C0086418
human
C0021756
interleukin 2