title: Self-sacrifice for collective good: cells show the way.
mesh_terms: D000818:Animals; D001001:Anura; D017209:Apoptosis / Q000502:physiology*; D010450:Endopeptidases / Q000378:metabolism; D006801:Humans; D007376:Interleukin-2 / Q000276:immunology / Q000378:metabolism; D013601:T-Lymphocytes / Q000276:immunology; D019014:fas Receptor / Q000276:immunology / Q000378:metabolism
chemical_list: D007376:Interleukin-2; D019014:fas Receptor; D010450:Endopeptidases