the increase in protection against infections of candida albicans or pseudomonas aeruginosa in normal or immunosuppressed mice after treatment with 18 different glycopeptides was found to correlate with the degree of clearance of colloidal carbon particles from the blood by the reticuloendothelial system after treatment with the same muramyl dipeptide analogs .
C0017953
glycopeptides
C0001060
muramyl dipeptide