title: Redundant regulatory mechanisms as an outcome of evolutionary tinkering.
authors.affiliation: Department of Microbiology and Molecular Genetics, University of California, Los Angeles 90024-1489.
authors.forename: E
authors.initials: E
authors.lastname: Sercarz
mesh_terms: D000818:Animals; D001324:Autoantigens; D005075:Biological Evolution; D006801:Humans; D007108:Immune Tolerance; D008954:Models, Biological; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology
chemical_list: D001324:Autoantigens