these results together with those reported previously showing the effect of monosaccharides on the t. cruzi-macrophage interaction , indicate that ( a ) sugar residues located on the parasite and on macrophage surface play some role in the process of recognition of t. cruzi , ( b ) different macrophage carbohydrate-containing receptors are involved in the recognition of epimastigotes and trypomastigotes forms of t. cruzi , ( c ) n-acetylneuraminic acid residues located on the surface of trypomastigotes or macrophages impede the interaction of the parasite with these host cells , and suggest that ( d ) sugar-binding proteins located on the macrophage surface participate in the recognition of beta-d-galactose and n-acetyl-d-galactosamine residues located on the surface of trypomastigotes and exposed after blockage or splitting off of n-acetylneuraminic acid residues .
C0026492
monosaccharides
C0007004
sugar