title: The alpha chain, not the beta chain of HLA-DR antigens participates in activation of T cells in autologous mixed lymphocyte reaction.
mesh_terms: D000328:Adult; D000906:Antibodies / Q000276:immunology; D055598:Chemical Phenomena; D002621:Chemistry; D004591:Electrophoresis, Polyacrylamide Gel; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D007376:Interleukin-2 / Q000096:biosynthesis / Q000276:immunology / Q000502:physiology; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000906:Antibodies; D006684:HLA-DR Antigens; D000949:Histocompatibility Antigens Class II; D007376:Interleukin-2