title: T helpers may be sensitized by antigen-specifically altered structures, which are coded by the I region of the H-2 gene complex.
mesh_terms: D000921:Antibody-Producing Cells / Q000276:immunology*; D001402:B-Lymphocytes / Q000276:immunology; D002462:Cell Membrane / Q000276:immunology; D003601:Cytotoxicity Tests, Immunologic; D005796:Genes; D006648:Histocompatibility; D006649:Histocompatibility Antigens; D008264:Macrophages / Q000276:immunology; D008954:Models, Biological; D010587:Phagocytosis; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens