tokens: Lipopolysaccharide ( LPS ) stimulation of human neutrophils is known to result in activation of p38 mitogen-activated protein kinase ( MAPk ) ; however , the upstream activator ( s ) of p38 MAPk is unknown , and consequences of p38 MAPk activation remain largely undefined .
folded_tokens: lipopolysaccharide ( lps ) stimulation of human neutrophils is known to result in activation of p38 mitogen-activated protein kinase ( mapk ) ; however , the upstream activator ( s ) of p38 mapk is unknown , and consequences of p38 mapk activation remain largely undefined .
labels: B-lipid O B-lipid O O O B-cell_type I-cell_type O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_family_or_group O O O O O B-protein_family_or_group I-protein_family_or_group O O O O B-protein_molecule I-protein_molecule O O O O O O B-protein_molecule I-protein_molecule O O O O O