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作者:

Yuan Jie (Yuan Jie.) | Peng Rong (Peng Rong.) | Su Dongdong (Su Dongdong.) | Zhang Xingxing (Zhang Xingxing.) | Zhao Hepeng (Zhao Hepeng.) | Zhuang Xiujuan (Zhuang Xiujuan.) | Chen Mei (Chen Mei.) | Zhang Xiaobing (Zhang Xiaobing.) | Yuan Lin (Yuan Lin.)

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SCIE PubMed

摘要:

Photodynamic therapy (PDT) has emerged as one of the most up-and-coming non-invasive therapeutic modalities for cancer therapy in rencent years. However, its therapeutic effect was still hampered by the short life span, limited diffusion distance and ineluctable depletion of singlet oxygen (1O2), as well as the hypoxic microenvironment in the tumor tissue. Such problems have limited the application of PDT and appropriate solutions are highly demand. Methods: Herein, a programmatic treatment strategy is proposed for the development of a smart molecular prodrug (D-bpy), which comprise a two-photon photosensitizer and a hypoxia-activated chemotherapeutic prodrug. A rhodamine dye was designed to connect them and track the drug release by the fluorescent signal generated through azo bond cleavage. Results: The prodrug (D-bpy) can stay on the cell membrane and enrich at the tumor site. Upon light irradiation, the therapeutic effect was enhanced by a stepwise treatment: (i) direct generation of 1O2 on the cell membrane induced membrane destruction and promoted the D-bpy uptake; (ii) deep tumor hypoxia caused by two-photon PDT process further triggered the activation of the chemotherapy prodrug. Both in vitro and in vivo experiments, D-bpy have exhabited excellent tumor treatment effect. Conclusion: The innovative programmatic treatment strategy provides new strategy for the design of follow-up anticancer drugs.

关键词:

cell membrane combination therapy glutathione singlet oxygen two-photon photodynamic therapy

作者机构:

  • [ 1 ] [Yuan Jie]State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R China
  • [ 2 ] [Peng Rong]State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R China
  • [ 3 ] [Su Dongdong]Department of Chemistry and Chemical Engineering, Beijing University of Technology, Beijing, 100124, P. R. China
  • [ 4 ] [Zhang Xingxing]State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R China
  • [ 5 ] [Zhao Hepeng]College of Physics and Microelectronics Science, Hunan University, Changsha 410082, P. R China
  • [ 6 ] [Zhuang Xiujuan]College of Physics and Microelectronics Science, Hunan University, Changsha 410082, P. R China
  • [ 7 ] [Chen Mei]College of Materials Science and Engineering, Hunan University, Changsha 410082, P. R China
  • [ 8 ] [Zhang Xiaobing]State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R China
  • [ 9 ] [Yuan Lin]State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R China

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来源 :

Theranostics

ISSN: 1838-7640

年份: 2021

期: 7

卷: 11

页码: 3502-3511

1 2 . 4 0 0

JCR@2022

ESI学科: CLINICAL MEDICINE;

ESI高被引阀值:7

被引次数:

WoS核心集被引频次: 0

SCOPUS被引频次: 16

ESI高被引论文在榜: 0 展开所有

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