However , we report in vitro experimental studies in which IL-10 primed leukocytes and led to an enhanced production of tumor necrosis factor ( TNF ) upon further stimulation by lipopolysaccharide ( LPS ) .
however , we report in vitro experimental studies in which il-10 primed leukocytes and led to an enhanced production of tumor necrosis factor ( tnf ) upon further stimulation by lipopolysaccharide ( lps ) .
O O O O O O O O O O B-protein_molecule O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O B-lipid O B-lipid O O