In:
Angewandte Chemie, Wiley, Vol. 130, No. 28 ( 2018-07-09), p. 8599-8603
Abstract:
The approach of concurrent‐to‐synchronous chemoradiation has now been advanced by well‐designed nanovesicles that permit X‐ray irradiation‐triggered instant drug release. The nanovesicles consist of Au nanoparticles tethered with irradiation labile linoleic acid hydroperoxide (LAHP) molecules and oxidation‐responsive poly(propylene sulfide)‐poly(ethylene glycol) (PPS‐PEG) polymers, where DOX were loaded in the inner core of the vesicles (Au‐LAHP‐vDOX). Upon irradiation, the in situ formation of hydroxyl radicals from LAHP molecules triggers the internal oxidation of PPS from being hydrophobic to hydrophilic, leading to degradation of the vesicles and burst release of cargo drugs. In this manner, synchronous chemoradiation showed impressive anticancer efficacy both in vitro and in a subcutaneous mouse tumor model by one‐dose injection and one‐time irradiation.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v130.28
DOI:
10.1002/ange.201802351
Language:
English
Publisher:
Wiley
Publication Date:
2018
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