Open Access
Open access
Biomaterials, volume 240, pages 119850

Core-shell structured upconversion nanocrystal-dendrimer composite as a carrier for mitochondria targeting and catalase enhanced anti-cancer photodynamic therapy.

Liang Shuang 1, 2
Sun Chunqiang
Yang Piaoping 3
Ma Ping'an 1, 2
Huang Shanshan 4
Cheng Zi-Yong 1, 2
Yu Xifei 5, 6
Lin Jun 7, 8
1
 
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
2
 
University of Science and Technology of China, Hefei, 230026, China.
4
 
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun, 130022, China.
5
 
University of Science and Technology of China, Hefei, 230026, China
6
 
The Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China.
7
 
State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
8
 
UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA, HEFEI 230026, CHINA
Publication typeJournal Article
Publication date2020-05-01
Journal: Biomaterials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor14
ISSN01429612, 18785905
Ceramics and Composites
Biophysics
Bioengineering
Biomaterials
Mechanics of Materials
Abstract
Recently, photodynamic therapy (PDT) has been deemed to be the most promising strategy for cancer treatment. To improve the efficacy for PDT, nanocarriers are expected to target mitochondria that are vulnerable to toxic reactive oxygen species (ROS). Moreover, overcoming tumor hypoxia is also conducive to enhance the PDT efficacy. Upconversion nanoparticles (UCNPs) can convert near infrared (NIR) light to visible light, thus stimulating photosensitizers to effectively produce cytotoxic ROS and achieving a high tissue penetration depth. In this study, a multifunctional nanocarrier UCNPs@G4/Ce6/CAT-CTPP was synthesized by a novel thiol-ene and azide-acetylene click reaction route to connect the original oleic acid ligands and dendrimers. Interestingly, the constructed and hydrophilic pockets around one single upconversion nanoparticle can simultaneously load hydrophobic photosensitizer Chlorin e6 (Ce6) and hydrophilic catalase (CTA) for catalytic enhanced PDT activated by NIR laser. Also, the mitochondrial targeting molecules (3-carboxypropyl) triphenylphosphonium bromide (CTPP) were modified outside of the dendrimers to efficiently target mitochondria. Both the catalytic degradation of hydrogen peroxide (H2O2) by catalase to overcome tumor hypoxia and mitochondrial targeting greatly enhance the efficacy of PDT. More importantly, this system provides a new paradigm for designing inorganic nanocrystal core and dendrimer shell for cargo delivery.

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GOST Copy
Liang S. et al. Core-shell structured upconversion nanocrystal-dendrimer composite as a carrier for mitochondria targeting and catalase enhanced anti-cancer photodynamic therapy. // Biomaterials. 2020. Vol. 240. p. 119850.
GOST all authors (up to 50) Copy
Liang S., Sun C., Yang P., Ma P., Huang S., Cheng Z., Yu X., Lin J. Core-shell structured upconversion nanocrystal-dendrimer composite as a carrier for mitochondria targeting and catalase enhanced anti-cancer photodynamic therapy. // Biomaterials. 2020. Vol. 240. p. 119850.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.biomaterials.2020.119850
UR - https://doi.org/10.1016%2Fj.biomaterials.2020.119850
TI - Core-shell structured upconversion nanocrystal-dendrimer composite as a carrier for mitochondria targeting and catalase enhanced anti-cancer photodynamic therapy.
T2 - Biomaterials
AU - Liang, Shuang
AU - Sun, Chunqiang
AU - Yang, Piaoping
AU - Ma, Ping'an
AU - Huang, Shanshan
AU - Cheng, Zi-Yong
AU - Yu, Xifei
AU - Lin, Jun
PY - 2020
DA - 2020/05/01 00:00:00
PB - Elsevier
SP - 119850
VL - 240
SN - 0142-9612
SN - 1878-5905
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Liang,
author = {Shuang Liang and Chunqiang Sun and Piaoping Yang and Ping'an Ma and Shanshan Huang and Zi-Yong Cheng and Xifei Yu and Jun Lin},
title = {Core-shell structured upconversion nanocrystal-dendrimer composite as a carrier for mitochondria targeting and catalase enhanced anti-cancer photodynamic therapy.},
journal = {Biomaterials},
year = {2020},
volume = {240},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016%2Fj.biomaterials.2020.119850},
pages = {119850},
doi = {10.1016/j.biomaterials.2020.119850}
}
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