Production by stimulated macrophages of factors depressing lymphocyte transformation.

Animals Concanavalin A/pharmacology DNA/biosynthesis Endotoxins Escherichia coli Graft vs Host Reaction Immunization Lectins/pharmacology Lymphocyte Activation/drug effects Lymphocyte Culture Test, Mixed Macrophages/immunology Mice Mice, Inbred A Mice, Inbred CBA Salmonella typhimurium Spleen/cytology,immunology Thymidine/metabolism Tritium

Endotoxins Lectins Tritium Concanavalin A DNA Thymidine