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- Title
H<sub>2</sub>S-Activable MOF Nanoparticle Photosensitizer for Effective Photodynamic Therapy against Cancer with Controllable Singlet-Oxygen Release.
- Authors
Ma, Yu; Li, Xiangyuan; Li, Aijie; Yang, Peng; Zhang, Caiyun; Tang, Bo
- Abstract
Photodynamic therapy (PDT) has emerged as an important minimally invasive tumor treatment technology. The search for an effective photosensitizer to realize selective cancer treatment has become one of the major foci in recent developments of PDT technology. Controllable singlet-oxygen release based on specific cancer-associated events, as another major layer of selectivity mode, has attracted great attention in recent years. Here, for the first time, we demonstrated that a novel mixed-metal metal-organic framework nanoparticle (MOF NP) photosensitizer can be activated by a hydrogen sulfide (H2S) signaling molecule in a specific tumor microenvironment for PDT against cancer with controllable singlet-oxygen release in living cells. The effective removal of tumors in vivo further confirmed the satisfactory treatment effect of the MOF NP photosensitizer.
- Subjects
PHOTODYNAMIC therapy; NANOPARTICLES analysis; CANCER treatment; HYDROGEN sulfide; PHOTOSENSITIZERS
- Publication
Angewandte Chemie, 2017, Vol 129, Issue 44, p13940
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201708005