1. It is an agonist of the ecdysone receptor that causes premature molting in larvae. 2. If a man found he had prostate cancer, he would take an ecdysone pill. 3. These are switched by the hormone ecdysone . 4. Its counterpart in insects is ecdysone . 5. Ecdysone steroids have also been found.6. Two major insect moulting hormones, alpha ecdysone and 20-hydroxyecdysone, are found in bracken. 7. Structures have been determined for several heterodimeric DNA-binding domains and ligand-binding domains from ecdysone receptors. 8. The systematic name of this enzyme class is "'ecdysone : oxygen 3-oxidoreductase " '. 9. The systematic name of this enzyme class is "'palmitoyl-CoA : ecdysone palmitoyltransferase " '. 10. After about five to seven instars, or molts, certain hormones, like PTTH, stimulate the production of ecdysone , which initiates insect molting.