一氧化氮
光毒性
光敏剂
光动力疗法
化学
癌细胞
生物物理学
细胞凋亡
线粒体
体内
生物化学
癌症
体外
光化学
生物
生物技术
有机化学
遗传学
作者
Jie Yin,Shumei Huang,Minghui Liu,Jintao Weng,You Wang,Xiaohui Du,Huatang Zhang,Jiang Qian,Hongyan Sun
标识
DOI:10.1016/j.dyepig.2023.111810
摘要
Previously reported light-controlled nitric oxide donors are usually activated by blue or green light. The insufficient ability of short wavelength light to penetrate tissues and its potential phototoxicity to living organisms greatly restricted in vivo applications. This study presents the development of a novel mitochondria-targeted nitric oxide donor, R–NO, capable of controlled nitric oxide and photosensitizer release under white light irradiation in mitochondria. R–NO is capable of generating nitric oxide and R–NH, a novel photosensitizer that can produce O2•- upon irradiation with a single light source. In addition, the highly toxic ONOO− can be produced by the rapid reaction of nitric oxide and O2•-. Harnessing the synergistic effects of PDT, nitric oxide therapy and highly toxic ONOO−, the proliferation and migration of cancer cells can be significantly inhibited upon light irradiation with R–NO. Futhermore, our MTT experiments demonstrated that simultaneous producing of O2•- and nitric oxide in the same region is crucial for efficient cancer cell inhibition. These interesting findings underscore the enhanced synergistic effect achieved by combining PDT and NO therapy in a single molecule for cancer cell treatment.
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