When monocytes are stimulated with LPS ( lipopolysaccharide ) repeatedly then the initially high expression of the TNF ( tumor necrosis factor ) gene is only very low , i . e . the cells are tolerant to LPS .
when monocytes are stimulated with lps ( lipopolysaccharide ) repeatedly then the initially high expression of the tnf ( tumor necrosis factor ) gene is only very low , i . e . the cells are tolerant to lps .
O B-cell_type O O O B-lipid O B-lipid O O O O O O O O O B-protein_family_or_group O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O O O O O O O O O O O B-lipid O