title: Alternative antigen presentation pathways: accessory cells which down-regulate immune responses.
authors.affiliation: Immunology Unit Cancer Center, University of Rochester, School of Medicine and Dentistry, NY 14642.
authors.forename: R P
authors.initials: RP
authors.lastname: Phipps
authors.forename: R L
authors.initials: RL
authors.lastname: Roper
authors.forename: S H
authors.initials: SH
authors.lastname: Stein
mesh_terms: D000818:Animals; D000938:Antigen-Presenting Cells / Q000276:immunology*; D001253:Astrocytes / Q000276:immunology; D004727:Endothelium / Q000276:immunology; D005347:Fibroblasts / Q000276:immunology; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D007108:Immune Tolerance; D007515:Islets of Langerhans / Q000276:immunology; D015603:Keratinocytes / Q000276:immunology; D008264:Macrophages / Q000276:immunology; D012160:Retina / Q000166:cytology / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D013961:Thyroid Gland / Q000166:cytology / Q000276:immunology
chemical_list: D000949:Histocompatibility Antigens Class II