tokens: Activation of NF-kappa B in THP-1 cells by SP-A doses as low as 1 microgram/ml occurred within 30 min of SP-A treatment , peaked at 60 min , and then declined .
folded_tokens: activation of nf-kappa b in thp-1 cells by sp-a doses as low as 1 microgram/ml occurred within 30 min of sp-a treatment , peaked at 60 min , and then declined .
labels: O O B-protein_complex I-protein_complex O B-cell_line I-cell_line O B-protein_molecule O O O O O O O O O O O B-protein_molecule O O O O O O O O O O O