tokens: Viral transcription , as measured using LTR -CAT assays , was only slightly enhanced in the HIV-protease expressing cells , while secretion of IL-2 and expression of the IL-2 receptor were not affected .
folded_tokens: viral transcription , as measured using ltr -cat assays , was only slightly enhanced in the hiv-protease expressing cells , while secretion of il-2 and expression of the il-2 receptor were not affected .
labels: O O O O O O B-DNA_domain_or_region B-protein_molecule O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O B-protein_molecule O O O O B-protein_molecule O O O O O