tokens: Electrophoretic mobility shift assays demonstrate that LPS induces a DNA binding activity indistinguishable from NF-kappa B in U937 and THP-1 cells .
folded_tokens: electrophoretic mobility shift assays demonstrate that lps induces a dna binding activity indistinguishable from nf-kappa b in u937 and thp-1 cells .
labels: B-other_name I-other_name I-other_name I-other_name O O B-lipid O O B-other_name I-other_name I-other_name O O B-protein_molecule I-protein_molecule O B-cell_line O B-cell_line I-cell_line O