Cyclosporin A prevents the appearance of cell surface "activation" antigens.
D000911:Antibodies, Monoclonal; D000954:Antigens, Surface / Q000276:immunology*; D002478:Cells, Cultured; D003524:Cyclosporins / Q000494:pharmacology*; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D013601:T-Lymphocytes / Q000276:immunology
D000911:Antibodies, Monoclonal; D000954:Antigens, Surface; D003524:Cyclosporins; D000949:Histocompatibility Antigens Class II