title: Regulation of macrophage Ia expression in vivo and in vitro.
mesh_terms: D000818:Animals; D002460:Cell Line; D005802:Genes, MHC Class II; D000949:Histocompatibility Antigens Class II / Q000276:immunology*; D008089:Listeria monocytogenes / Q000276:immunology; D008222:Lymphokines / Q000276:immunology; D008264:Macrophages / Q000276:immunology*; D008285:Major Histocompatibility Complex; D051379:Mice; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D000949:Histocompatibility Antigens Class II; D008222:Lymphokines