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irreversible antagonist : ウィキペディア英語版 | irreversible antagonist An irreversible antagonist is a type of antagonist that binds permanently to a receptor, either by forming a covalent bond to the active site, or alternatively just by binding so tightly that the rate of dissociation is effectively zero at relevant time scales.〔Goodman and Gilman's Manual of Pharmacology and Therapeutics. (11th edition, 2008). p25. ISBN 0-07-144343-6〕 This permanently deactivates the receptor and is usually followed by rapid internalisation and recycling of the non-functional receptor protein. Irreversible enzyme inhibitors that act similarly are clinically used and include drugs such as aspirin, omeprazole and monoamine oxidase inhibitors.〔 Rang and Dale's Pharmacology. (6th edition, 2007). p19. ISBN 0-443-06911-5〕 == Examples ==
* Naloxazone * Phenoxybenzamine
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