期刊
出版社
ELSEVIER
DOI: 10.1016/j.msec.2020.111099
关键词
Multifunctional nanoparticles; Photodynamic cancer therapy; Photosensitizers; Stimuli-responsive carriers; Targeted delivery
资金
- National Natural Science Foundation of China [51403081]
- Natural Science Foundation of Zhejiang Province [LY20B020001, LQ19E020010]
- Zhejiang International Science and Technology Cooperation Project [2019C04020]
Photodynamic therapy (PDT) is an emerging cancer treatment combining light, oxygen, and a photosensitizer (PS) to produce highly cytotoxic reactive oxygen species that cause cancer cell death. However, most PSs are hydrophobic molecules that have poor water solubility and cannot target tumor tissues, causing damage to normal tissues and cells during PDT. Thus, there is a substantial demand for the development of nanocarrier systems to achieve targeted delivery of PSs into tumor tissues and cells. This review summarizes the research progress in PS delivery systems for PDT treatment of tumors and focuses on the recent design and development of multifunctional nanoparticles as PS delivery carriers for enhanced PDT. These multifunctional nanoparticles possess unique properties, including tunable particle size, changeable shape, stimuli-responsive PS activation, controlled PS release, and hierarchical targeting capability. These properties can increase tumor accumulation, penetration, and cellular internalization of nanoparticles to achieve PS activation and/or release in cancer cells for enhanced PDT. Finally, recent developments in multifunctional nanoparticles for tumor-targeted PS delivery and their future prospects in PDT are discussed.
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