tokens: Lipopolysaccharide ( LPS ) potently stimulates human immunodeficiency virus type 1-long terminal repeat ( HIV-1-LTR ) CAT constructs transfected into monocyte/macrophage-like cell lines but not a T cell line .
folded_tokens: lipopolysaccharide ( lps ) potently stimulates human immunodeficiency virus type 1-long terminal repeat ( hiv-1-ltr ) cat constructs transfected into monocyte/macrophage-like cell lines but not a t cell line .
labels: B-lipid O B-lipid O O O B-virus I-virus I-virus O O O O O B-DNA_domain_or_region O O O O O B-cell_line I-cell_line I-cell_line O O O B-cell_line I-cell_line I-cell_line O