title: Immunoregulation in aged humans.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000917:Antibody Formation; D001323:Autoantibodies / Q000032:analysis; D001402:B-Lymphocytes / Q000276:immunology*; D003208:Concanavalin A / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D007074:Immunoglobulin G / Q000096:biosynthesis; D007075:Immunoglobulin M / Q000096:biosynthesis; D007136:Immunoglobulins / Q000032:analysis; D013601:T-Lymphocytes / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology
chemical_list: D001323:Autoantibodies; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D007136:Immunoglobulins; D003208:Concanavalin A