Bioinspired Nanozymes as Nanodecoys for Urinary Tract Infection Treatment
Urinary tract infections (UTIs), common bacterial infections in communities and medical facilities, are mainly mediated by FimH. The glycan sites of the uromodulin protein play a crucial role in protecting against UTIs by interacting with FimH. A bioinspired approach using glycan-FimH interactions may effectively reduce bacteria through an antiadhesive mechanism, thereby curbing bacterial resistance. However, typical antiadhesive therapy alone fails to address the excessive reactive oxygen species and inflammatory response during UTIs. To bridge this gap, antioxidant nanozymes with antiadhesive ability were developed as nanodecoys to counter bacteria and inflammation. Specifically, ultrasmall dextran-coated ceria (DEC) was engineered to address UTIs, with dextran blocking FimH adhesion and ceria exhibiting anti-inflammatory properties. DECs, metabolizable by the kidneys, reduced bacterial content in the urinary tract, mitigating inflammation and tissue damage. In murine models, DECs successfully treated acute UTIs, repeated infections, and catheter-related UTIs. This dual approach not only highlights the potential of nanozymes for UTIs but also suggests applicability to other FimH-induced infections in the lungs and bowels, marking a significant advancement in nanozyme-based clinical approaches.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:18 |
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| Enthalten in: |
ACS nano - 18(2024), 12 vom: 26. März, Seite 9019-9030 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Yihong [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 27.03.2024 Date Revised 27.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acsnano.3c12783 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Urinary tract infections (UTIs), common bacterial infections in communities and medical facilities, are mainly mediated by FimH. The glycan sites of the uromodulin protein play a crucial role in protecting against UTIs by interacting with FimH. A bioinspired approach using glycan-FimH interactions may effectively reduce bacteria through an antiadhesive mechanism, thereby curbing bacterial resistance. However, typical antiadhesive therapy alone fails to address the excessive reactive oxygen species and inflammatory response during UTIs. To bridge this gap, antioxidant nanozymes with antiadhesive ability were developed as nanodecoys to counter bacteria and inflammation. Specifically, ultrasmall dextran-coated ceria (DEC) was engineered to address UTIs, with dextran blocking FimH adhesion and ceria exhibiting anti-inflammatory properties. DECs, metabolizable by the kidneys, reduced bacterial content in the urinary tract, mitigating inflammation and tissue damage. In murine models, DECs successfully treated acute UTIs, repeated infections, and catheter-related UTIs. This dual approach not only highlights the potential of nanozymes for UTIs but also suggests applicability to other FimH-induced infections in the lungs and bowels, marking a significant advancement in nanozyme-based clinical approaches | ||
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| 700 | 1 | |a Shao, Guoqiang |e verfasserin |4 aut | |
| 700 | 1 | |a Gu, Xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Xiaomiao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Zijun |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yuting |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Sheng |e verfasserin |4 aut | |
| 700 | 1 | |a Muhammad, Faheem |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Sirong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Tong |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Hui |e verfasserin |4 aut | |
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