title: [Age-related changes in immune response and its underlying mechanisms].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D000907:Antibodies, Bacterial / Q000032:analysis; D000944:Antigens, Differentiation, B-Lymphocyte; D000954:Antigens, Surface / Q000096:biosynthesis; D001402:B-Lymphocytes / Q000276:immunology; D002478:Cells, Cultured; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007376:Interleukin-2 / Q000096:biosynthesis; D008213:Lymphocyte Activation; D008875:Middle Aged; D011971:Receptors, Immunologic / Q000378:metabolism; D015375:Receptors, Interleukin-2; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D013745:Tetanus Toxoid / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D000944:Antigens, Differentiation, B-Lymphocyte; D000954:Antigens, Surface; D007074:Immunoglobulin G; D007376:Interleukin-2; D011971:Receptors, Immunologic; D015375:Receptors, Interleukin-2; D013745:Tetanus Toxoid