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author:

Xiao, Shenggan (Xiao, Shenggan.) [1] | Zheng, Liting (Zheng, Liting.) [2] | Chen, Zhongxiang (Chen, Zhongxiang.) [3] | Li, Qingqing (Li, Qingqing.) [4] | Gao, Shi (Gao, Shi.) [5] | Du, Wei (Du, Wei.) [6] | Song, Jibin (Song, Jibin.) [7] (Scholars:宋继彬)

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Scopus SCIE

Abstract:

Real-time evaluation of the Fenton reactivity of chemodynamic therapy (CDT) agents is critical for developing effective CDT agents. However, the development of CDT agents capable of self-evaluating Fenton reactivity remains challenging. Herein, using OH as an indicator of Fenton reaction, we report a CDT nanoplatform, DCNP@FM-Fe2+-PEG (DFFP), which integrates a OH-activatable NIR-II ratiometric fluorescent nanoprobe and a Fenton agent (Fe2+), for self-evaluating Fenton reactivity. DFFP can induce cell apoptosis by converting intracellular H2O2 into OH and depleting GSH. In the presence of OH, NIR-II fluorescence signal of DFFP at 1050 nm under 808 nm excitation (F 1050Em,808Ex) would be enhanced, while its fluorescence signal at 1550 nm under 980 nm excitation (F 1550Em,980Ex) remained stable. DFFP was able to self-evaluate its Fenton reactivity by OH-activatable F 1050Em,808Ex/F 1550Em,980Ex signal, and it exhibited excellent anticancer effect. This strategy provides a new approach to construct CDT agents capable of self-evaluating the Fenton reactivity in real time.

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Community:

  • [ 1 ] [Xiao, Shenggan]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 2 ] [Zheng, Liting]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 3 ] [Chen, Zhongxiang]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 4 ] [Li, Qingqing]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 5 ] [Du, Wei]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China
  • [ 6 ] [Gao, Shi]Jilin Univ, China Japan Union Hosp, Dept Nucl Med, Changchun 130033, Jilin, Peoples R China
  • [ 7 ] [Song, Jibin]Beijing Univ Chem Technol, Coll Chem, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

Reprint 's Address:

  • 宋继彬

    [Du, Wei]Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China;;[Gao, Shi]Jilin Univ, China Japan Union Hosp, Dept Nucl Med, Changchun 130033, Jilin, Peoples R China;;[Song, Jibin]Beijing Univ Chem Technol, Coll Chem, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

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Source :

JOURNAL OF MEDICINAL CHEMISTRY

ISSN: 0022-2623

Year: 2025

Issue: 14

Volume: 68

Page: 14895-14906

6 . 9 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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