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Self-Immolative Linkers Literally Bridge Disulfide Chemistry and the Realm of Thiol-Free Drugs

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DOI

The ultimate goal of controlled, intracellulardrug delivery is to get the drug to the target cell without spilling the contents in transit and then release the entire payload upon cell entry. One of the most powerful platforms to achieve this relies on the intracellular disulfide reshuffling as a trigger for drug release form the engineered prodrugs. However, utility of disulfide reshuffling for drug release is naturally applicable only to the thiol containing molecules-ultimately leaving nearly all commercialized drugs beyond the scope of this platform. This is a drastic limitation. A cunning new tool of organic chemistry is fast entering the mainstream of prodrug design: the self-immolative linkers. This platform allows overcoming the natural chemical barrier and makes it possible to link virtually any drug to its carrier via a disulfide bond and engineer a specific intracellular release. It is a game-changing accomplishment of modern organic chemistry. The scope and limitations of this novel opportunity for medicinal chemistry and nanomedicine are outlined.

Original languageEnglish
JournalAdvanced Healthcare Materials
Volume4
Issue12
Pages (from-to)1887-1890
Number of pages4
ISSN2192-2640
DOIs
Publication statusPublished - 26 Aug 2015

    Research areas

  • MACROMOLECULAR PRODRUGS, TRIMETHYL LOCK, DELIVERY, CANCER, STRATEGY, POLYMERSOMES, CONJUGATION, REDUCTION, RELEASE, CELLS

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