Ultrasound-Induced Piezocatalysis Triggered NO Generation for Enhanced Hypoxic Tumor Therapy
Conventional NO gas generation based on l-arginine (l-Arg) is usually dependent on H2O2 and O2, both of which are very limited within the tumor microenvironment, thus greatly limiting l-Arg's therapeutic effect. Herein, a novel nanoplatform for efficiently triggering NO production based on ultrasound-induced piezocatalysis was developed, which was fabricated by coating amphiphilic poly-l-arginine (DSPE-PEG2000-Arg, DPA) on the piezoelectric material of barium titanate (BTO). The resulting BTODPA nanoparticles can efficiently generate H2O2, 1O2, and O2 via ultrasound-induced piezocatalysis based on BTO and oxidize the surface arginine to produce NO, which can even further interact with the reactive oxygen species (ROS) to produce more reactive peroxynitrite, thus inducing serious tumor cell apoptosis both in hypoxia and normoxia. After intravenous injection, BTO@DPA accumulated well at the tumor tissue at 4 h postinjection; later, ultrasound irradiation on the tumor not only achieved the best tumor inhibition rate of ∼70% but also completely inhibited tumor metastasis to the lungs via the alleviation of tumor hypoxia. Such a strategy was not dependent on the tumor microenvironment and can be well controlled by ultrasound irradiation, providing a simple and efficient therapy paradigm for hypoxic tumor.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
ACS applied materials & interfaces - 15(2023), 12 vom: 29. März, Seite 15220-15234 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Jing [VerfasserIn] |
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| Links: |
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| Themen: |
94ZLA3W45F |
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| Anmerkungen: |
Date Completed 31.03.2023 Date Revised 31.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acsami.3c00603 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM354276778 |
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| 520 | |a Conventional NO gas generation based on l-arginine (l-Arg) is usually dependent on H2O2 and O2, both of which are very limited within the tumor microenvironment, thus greatly limiting l-Arg's therapeutic effect. Herein, a novel nanoplatform for efficiently triggering NO production based on ultrasound-induced piezocatalysis was developed, which was fabricated by coating amphiphilic poly-l-arginine (DSPE-PEG2000-Arg, DPA) on the piezoelectric material of barium titanate (BTO). The resulting BTODPA nanoparticles can efficiently generate H2O2, 1O2, and O2 via ultrasound-induced piezocatalysis based on BTO and oxidize the surface arginine to produce NO, which can even further interact with the reactive oxygen species (ROS) to produce more reactive peroxynitrite, thus inducing serious tumor cell apoptosis both in hypoxia and normoxia. After intravenous injection, BTO@DPA accumulated well at the tumor tissue at 4 h postinjection; later, ultrasound irradiation on the tumor not only achieved the best tumor inhibition rate of ∼70% but also completely inhibited tumor metastasis to the lungs via the alleviation of tumor hypoxia. Such a strategy was not dependent on the tumor microenvironment and can be well controlled by ultrasound irradiation, providing a simple and efficient therapy paradigm for hypoxic tumor | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Tang, Qingshuang |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Menghong |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Suhui |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Jinxia |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Ruiqi |e verfasserin |4 aut | |
| 700 | 1 | |a Yue, Xiuli |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiaoda |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Qingfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Xiaolong |e verfasserin |4 aut | |
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