MMP-2 and upconverted UV dual-mediated drug sequential delivery and on-site immobilization for enhanced multidrug-resistant cancer therapy
Abstract Controlled drug delivery holds great potential for effective tumor treatment owing to the merits of overcoming drug resistance and improving therapeutic efficacy while minimizing systemic toxicity. However, accurate and controllable delivery of chemotherapeutics into tumor tissue with high efficiency remains a huge challenge. Taking advantage of the UV-emitting characteristics of upconversion nanoparticles (UCNPs), herein we for the first time in-situ immobilization (ENDDI) system that is fabricated by decorating UCNPs with MMP-2 responsive and photocrosslinkable peptide bearing anticancer drug doxorubicin (DOX) for overcoming multidrug resistance. Upon cleavage with tumor-specific MMP-2, the peptide fragment containing a photolabile benzophenone (BP) and DOX could be released and in-situ immobilized within the tumor through the covalent crosslinking reaction between BP and neighboring biomolecules under the excitation of converted UV emission from UCNPs, which remarkably blocks the exocytosis of DOX leading to prolonged drug retention, achieving significant suppression of DOX-resistant breast tumors. Our current dual stimuli-mediated sequential drug delivery and in-situ immobilization represent a generalizable strategy for the effective treatment of multidrug resistant tumors..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:66 |
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| Enthalten in: |
Science China / Chemistry - 66(2023), 8 vom: 29. Juni, Seite 2317-2328 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Anna [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: |
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| Anmerkungen: |
© Science China Press 2023 |
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| doi: |
10.1007/s11426-023-1606-8 |
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| funding: |
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| 520 | |a Abstract Controlled drug delivery holds great potential for effective tumor treatment owing to the merits of overcoming drug resistance and improving therapeutic efficacy while minimizing systemic toxicity. However, accurate and controllable delivery of chemotherapeutics into tumor tissue with high efficiency remains a huge challenge. Taking advantage of the UV-emitting characteristics of upconversion nanoparticles (UCNPs), herein we for the first time in-situ immobilization (ENDDI) system that is fabricated by decorating UCNPs with MMP-2 responsive and photocrosslinkable peptide bearing anticancer drug doxorubicin (DOX) for overcoming multidrug resistance. Upon cleavage with tumor-specific MMP-2, the peptide fragment containing a photolabile benzophenone (BP) and DOX could be released and in-situ immobilized within the tumor through the covalent crosslinking reaction between BP and neighboring biomolecules under the excitation of converted UV emission from UCNPs, which remarkably blocks the exocytosis of DOX leading to prolonged drug retention, achieving significant suppression of DOX-resistant breast tumors. Our current dual stimuli-mediated sequential drug delivery and in-situ immobilization represent a generalizable strategy for the effective treatment of multidrug resistant tumors. | ||
| 700 | 1 | |a Fang, Jing |4 aut | |
| 700 | 1 | |a Feng, Yali |4 aut | |
| 700 | 1 | |a Zhang, Yuqi |4 aut | |
| 700 | 1 | |a Zhao, Yan |4 aut | |
| 700 | 1 | |a Li, Jiachen |4 aut | |
| 700 | 1 | |a Cui, Chaoxiang |4 aut | |
| 700 | 1 | |a Hou, Yi |4 aut | |
| 700 | 1 | |a Shi, Haibin |4 aut | |
| 700 | 1 | |a Gao, Mingyuan |4 aut | |
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