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Cited by 204

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Using Hollow Carbon Nanospheres as a Light-Induced Free Radical Generator To Overcome Chemotherapy Resistance

Wang, Liming, Sun, Qiang, Wang, Xin, Wen, Tao, Yin, Jun-Jie, Wang, Pengyang, Bai, Ru, Zhang, Xiang-Qian, Zhang, Lu-Hua, Lu, An-Hui, Chen, Chunying·2015·Journal of the American Chemical Society

Abstract

Under evolutionary pressure from chemotherapy, cancer cells develop resistance characteristics such as a low redox state, which eventually leads to treatment failures. An attractive option for combatting resistance is producing a high concentration of produced free radicals in situ. Here, we report the production and use of dispersible hollow carbon nanospheres (HCSs) as a novel platform for delivering the drug doxorubicine (DOX) and generating additional cellular reactive oxygen species using near-infrared laser irradiation. These irradiated HCSs catalyzed sufficiently persistent free radicals to produce a large number of heat shock factor-1 protein homotrimers, thereby suppressing the activation and function of resistance-related genes. Laser irradiation also promoted the release of DOX from lysosomal DOX@HCSs into the cytoplasm so that it could enter cell nuclei. As a result, DOX@HCSs reduced the resistance of human breast cancer cells (MCF-7/ADR) to DOX through the synergy among photothermal effects, increased generation of free radicals, and chemotherapy with the aid of laser irradiation. HCSs can provide a unique and versatile platform for combatting chemotherapy-resistant cancer cells. These findings provide new clinical strategies and insights for the treatment of resistant cancers.

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Crossref · 10.1021/ja511560b

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Metadata

Authors
Wang, L., Sun, Q., Wang, X., Wen, T., Yin, J.-J., Wang, P., Bai, R., Zhang, X.-Q., Zhang, L.-H., Lu, A.-H., & Chen, C.
Venue
Journal of the American Chemical Society
Published
2015-01-29
Volume
137
Issue
5
Pages
1947-1955
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2060611150
Cited by
204
References
4
FWCI
12.74
Type
journal article
Language
en
Open access
closed

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