Cited by 117Nanoplatforms for cancer theranosticsPhotodynamic Therapy Research StudiesNanoparticle-Based Drug Delivery

NIR-II fluorescence imaging guided tumor-specific NIR-II photothermal therapy enhanced by starvation mediated thermal sensitization strategy

Dai, Yeneng, Sun, Zhiquan, Zhao, Honghai, Qi, Dashan, Li, Xiangyu, Gao, Diya, Li, Meixing, Fan, Quli +2 more·2021·Biomaterials

Abstract

Photothermal therapy (PTT) is hampered by limited light penetration depth and cell thermoresistance induced by over-expressed heat shock proteins (HSPs). Herein, we proposed a tumor-specific enhanced NIR-II PTT through the starvation mediated thermal sensitization strategy. A semiconducting polymer with superior NIR-II fluorescence imaging (FI) performance and NIR-II PTT efficacy was synthesized and encapsulated into folate modified liposomes, together with a glycolysis inhibitor, 2-deoxy-d-glucose (2DG). Upon specifically targeting folate receptors and guidance of NIR-II FI, spatiotemporal 2DG release could be achieved by the trigger of NIR-II photothermal effect. The released 2DG could not only deplete the energy supply of tumor cells by inhibiting tumor anaerobic glycolysis, but also decrease the ATP levels and hamper the production of HSPs, ultimately enhancing the tumor thermal sensitivity toward PTT. Owing to the sensitization effect of 2DG, tumor cells with overexpressed folate receptors could be significantly damaged by NIR-II PTT with an enhanced therapeutic efficiency. The work provided a promising strategy for specific starvation/NIR-II PTT synergistic therapy towards tumors.

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Crossref · 10.1016/j.biomaterials.2021.120935

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Authors
Dai, Y., Sun, Z., Zhao, H., Qi, D., Li, X., Gao, D., Li, M., Fan, Q., Shen, Q., & Huang, W.
Affiliations
  • Nanjing University of Posts and Telecommunications (CN)
  • Simcere Pharmaceutical (China) (CN)
  • Northwestern Polytechnical University (CN)
Corresponding author
  • Shen, Qingming
  • Huang, Wei
Venue
Biomaterials
Publisher
Elsevier BV
Published
2021-08
Volume
275
Pages
120935
ISSN
0142-9612 (ISSN-L)
OpenAlex
W3168779724
Cited by
117
References
46
Citations by year
2026: 7 · 2025: 21 · 2024: 27 · 2023: 24 · 2022: 34 · 2021: 4
FWCI
6.76
Type
journal article
Language
en
Open access
closed
Locations
  • Biomaterials (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Photodynamic Therapy Research Studies
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
Keywords
NIR-II photothermal therapy, NIR-II fluorescence imaging, 2-deoxyglucose, glycolysis inhibition, heat shock proteins, folate receptor targeting, semiconducting polymers, ATP depletion, tumor energy metabolism
MeSH terms
Photothermal Therapy, Humans, Neoplasms, Phototherapy, Polymers, Cell Line, Tumor, Nanoparticles, Optical Imaging

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