期刊
COORDINATION CHEMISTRY REVIEWS
卷 427, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2020.213604
关键词
Photodynamic therapy; Photosensitizers; Tumor microenvironment; Hypoxia regulation; Synergistic therapy
资金
- National Natural Science Foundation of China [21421005, 21676047, 21822804, 21878039, 21925802]
- NSFC-Liaoning United Fund [U1908202, U1608222]
Photodynamic therapy (PDT) is a non-invasive therapy that has attracted increasing interest for treating tumors, but the lack of oxygen in solid tumors limits its effectiveness. The reconstruction of the tumor microenvironment and development of anti-hypoxia photosensitizers are important research topics for improving the efficacy of PDT.
Photodynamic therapy (PDT) has garnered an increasing interest by both researchers and clinicians as a non-invasive therapy that allows a selective treatment towards tumors temporally and spatially, which is a relatively safe strategy without obvious systemic side effects and drug resistance. However, the lack of O-2 content in solid tumors is one of the most important factors limiting the effectiveness of PDT, as the hypoxic tumor regions not only induce tumor development and metastasis but also reduce the responsiveness of tumor tissues to PDT along with other treatments like chemotherapy and radiotherapy. Therefore, dealing with hypoxia is desirable and has become a hot research topic for both academic and clinical fields. This review summarizes the latest strategies and applications of reconstructing the tumor microenvironment and developing novel anti-hypoxia photosensitizers (PSs). It also summarizes the synergistic strategies that combine PDT with other treatment approaches to achieve complementary effects, significantly improving the treatment accuracy and efficacy. By evaluating several examples, this review concludes that the innovation of theranostics PS is the core impetus for the efficacy of PDT. In addition, it highlights that the structural designing of PS can effectively regulate the energy release process of the excited state and achieve imaging and PDT simultaneously. (C) 2020 Elsevier B.V. All rights reserved.
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