title: Sensitivity to diphtheria toxin as a species-specific marker in hybrid cells.
mesh_terms: D000818:Animals; D000941:Antigens; D002247:Carbon Isotopes; D002462:Cell Membrane / Q000276:immunology; D002470:Cell Survival / Q000187:drug effects; D002642:Chick Embryo; D003864:Depression, Chemical; D004167:Diphtheria Toxin / Q000494:pharmacology*; D004912:Erythrocytes / Q000187:drug effects; D006367:HeLa Cells / Q000187:drug effects; D006801:Humans; D006822:Hybrid Cells / Q000187:drug effects* / Q000378:metabolism; D007930:Leucine / Q000378:metabolism; D007962:Leukocytes / Q000187:drug effects; D051379:Mice; D014176:Protein Biosynthesis; D051381:Rats; D013045:Species Specificity
chemical_list: D000941:Antigens; D002247:Carbon Isotopes; D004167:Diphtheria Toxin; D007930:Leucine