title: Effect of protein-bound polysaccharide preparation, PS-K, on the immune response of mice to sheep red blood cells.
abstract: The protein-bound polysaccharide preparation, PS-K, was found to potentiate the production of hemolytic plaque-forming cells of spleen and serum hemagglutinin in C57BL/6 mice, when they were immunized with a low dose of sheep red blood cells. PS-K was administered intraperitoneally at a dose of 150 mg/kg daily for 5 days. Ten days later, the mice were immunized with either 4 X 10(8) or 1 X 10(7) sheep red blood cells. Both the number of plaque-forming cells in their spleen and the amount of serum hemagglutinin were significantly higher in the PS-K treated mice when 1 X10(7) sheep red blood cells were used as an immunizing dose.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001487:Basidiomycota / Q000032:analysis; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006388:Hemagglutinins / Q000032:analysis; D006462:Hemolytic Plaque Technique; D007274:Injections, Intraperitoneal; D051379:Mice; D008810:Mice, Inbred C57BL; D011134:Polysaccharides / Q000008:administration & dosage / Q000276:immunology*; D011485:Protein Binding; D013154:Spleen / Q000166:cytology
chemical_list: D006388:Hemagglutinins; D011134:Polysaccharides