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Stimuli-triggered release and alleviating resistance of iridium(III)-based drugs at tumor sites remains challengeable for clinical hepatoma therapy. Herein, a doxorubicin@iridium-transferrin (DOX@IrTF) nanovesicle was synthesized by carboxylated-transferrin (TF) and doxorubicin-loaded amphiphilic iridium-amino with quaternary ammonium (QA) groups and disulfide bonds. The QA groups enhanced photophysical properties and broadened production capacity of photoinduced-reactive oxygen species (ROS), while the disulfide-bridged bonds regulated oxidative stress levels through reacting with glutathione (GSH); simultaneously, modification of TF improved recognition and endocytosis of the nanovesicle for tumor cells. Based on in -vitro results, a controlled-release behavior of DOX upon a dualresponsiveness of GSH and near-infrared ray (NIR) irradiation was presented, along with high-efficiency generation of ROS. After an intravenous injection, the nanovesicle was targeted at tumor sites, realizing TF-navigated photoacoustic imaging guidance and synergistic chemotherapy-photodynamic therapy under NIR/GSH stimulations. Overall, newly-synthesized DOX@Ir-TF nanovesicle provided a potential in subcutaneous hepatocellular carcinoma therapy due to integrations of targeting delivery, dual -stimuli responsive release, synergistic therapy strategy, and real -time monitoring. (c) 2024 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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CHINESE CHEMICAL LETTERS
ISSN: 1001-8417
Year: 2024
Issue: 9
Volume: 35
9 . 4 0 0
JCR@2023
Cited Count:
WoS CC Cited Count: 4
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0