six monoclonal antibodies ( mab ) to the lipid a region of bacterial lipopolysaccharide ( lps ) , obtained from mice immunized with lipid a-coated bordetella pertussis cells ( mab 3.e8 , 2.21 , 2.37 , 2.41 ) or with lipid a covalently coupled to keyhole limpet hemocyanin ( mab r1 and r7 ) , were examined for their potential to inhibit in vitro activities of lps on macrophages .
C0023767
lipid a
C0023810
lps