title: Down-regulation of immune responses in the lower respiratory tract: the role of alveolar macrophages.
mesh_terms: D000818:Animals; D000938:Antigen-Presenting Cells / Q000276:immunology; D002454:Cell Differentiation; D006168:Guinea Pigs; D006801:Humans; D007108:Immune Tolerance; D007375:Interleukin-1 / Q000096:biosynthesis; D008168:Lung / Q000276:immunology*; D008213:Lymphocyte Activation; D008264:Macrophages / Q000166:cytology / Q000276:immunology*; D051379:Mice; D011650:Pulmonary Alveoli / Q000276:immunology; D051381:Rats; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007375:Interleukin-1