we and others have shown that hiv-1 transcription and replication in vitro are increased by the binding of transcriptional enhancer dna sequences in the hiv-1 long terminal repeat ( ltr ) to a cellular protein designated nuclear factor-kappa b ( nf-kappa b ) , a trans-acting transcription factor which is present in activated but not in resting t cells .
C0086222
of transcriptional enhancer dna
C0007634
cellular