synthetic glycolipids prepared by esterification of various sugars and sorbitol , and containing various numbers of saturated or unsaturated fatty acid residues as well as bacterial lipid a and lipopolysaccharide , were tested for mitogenicity of splenic cells of fischer rats and swiss mice and for the augmentation of humoral immune response against sheep red blood cells in these species .
C0023767
lipid a
C0023810
lipopolysaccharide