Therapeutic polymeric nanomedicine: GSH-responsive release promotes drug release for cancer synergistic chemotherapy.
Therapeutic polymeric nanomedicine: GSH-responsive release promotes drug release for cancer synergistic chemotherapy.
复制标题
治疗性聚合物纳米药物:GSH 响应性释放促进癌症协同化疗的药物释放
DOI:
10.1039/c9ra07051f
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发表时间:
2019-11-13
期刊:
影响因子:
3.9
通讯作者:
Yang, Jie
中科院分区:
文献类型:
--
作者:
Shen, Jie;Wang, Qiwen;Fang, Jie;Shen, Wangxing;Wu, Dan;Tang, Guping;Yang, Jie
To obtain an efficient dual-drug release and enhance therapeutic efficiency for combination chemotherapy, a glutathione (GSH)-responsive therapeutic amphiphilic polyprodrug copolymer (mPEG-b-PCPT) is synthesized to load doxorubicin (DOX) via hydrophobic and π–π stacking interaction. In this nanomedicine system (mPEG-b-PCPT/DOX), the ratio of the two drugs can be easily modulated by changing the loading content of DOX. The in vitro drug release curves and laser confocal images suggested that the release of CPT and DOX is induced through a “release promotes release strategy”: after internalization into tumor cells, the disulfide bonds in the nanomedicine are cleaved by glutathione (GSH) in the cytoplasm and then lead to the release of CPT. Meanwhile, the disassembly of nanomedicine immediately promotes the co-release of DOX. The optimum dose ratio of CPT and DOX is evaluated via the combination index (CI) value using HepG-2 cells. The results of cell apoptosis and cell viability prove the better synergistic efficiency of the nanomedicine than free drugs at the optimum dose ratio of 1. Consequently, this stimuli-responsive synergistic chemotherapy system provides a direction for the fabrication of nanomedicines possessing promising potential in clinical trials.
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影响因子:
46.2
作者:
Dai Y;Xu C;Sun X;Chen X
通讯作者:
Chen X
DOI:
10.1016/j.jconrel.2015.04.031
发表时间:
2015-07-28
期刊:
Journal of controlled release : official journal of the Controlled Release Society
影响因子:
--
作者:
Camacho KM;Kumar S;Menegatti S;Vogus DR;Anselmo AC;Mitragotri S
通讯作者:
Mitragotri S
影响因子:
9.5
作者:
Li, Qing-Lan;Xu, Shi-Han;Yang, Ying-Wei
通讯作者:
Yang, Ying-Wei
影响因子:
3.9
作者:
通讯作者:
--
影响因子:
17.1
作者:
Meng, Huan;Wang, Meiying;Liu, Huiyu;Liu, Xiangsheng;Situ, Allen;Wu, Bobby;Ji, Zhaoxia;Chang, Chong Hyun;Nel, Andre E.
通讯作者:
Nel, Andre E.