title: Helper T cells specific for protein antigens: role of self major histocompatibility complex and immunoglobulin gene products.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology*; D010856:Columbidae; D003574:Cytochrome c Group / Q000276:immunology; D005802:Genes, MHC Class II; D006241:Haptens; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D008213:Lymphocyte Activation; D008285:Major Histocompatibility Complex; D051379:Mice; D011948:Receptors, Antigen, T-Cell / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000145:classification / Q000276:immunology*
chemical_list: D003574:Cytochrome c Group; D006241:Haptens; D000949:Histocompatibility Antigens Class II; D011948:Receptors, Antigen, T-Cell