tokens: These functions of PAF appeared to be mediated through the cell surface PAF receptors , as two PAF receptor antagonists , WEB 2086 and L-659 , 989 , blocked both the up-regulation of HB-EGF mRNA and kappa B binding activity induced by PAF .
folded_tokens: these functions of paf appeared to be mediated through the cell surface paf receptors , as two paf receptor antagonists , web 2086 and l-659 , 989 , blocked both the up-regulation of hb-egf mrna and kappa b binding activity induced by paf .
labels: O O O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule O O O O B-protein_molecule O O O B-other_organic_compound I-other_organic_compound O B-other_organic_compound I-other_organic_compound I-other_organic_compound O O O O O O B-protein_molecule O O B-other_name I-other_name I-other_name I-other_name O O B-protein_molecule O