In Vivo Metabolic Response upon Exposure to Gold Nanorod Core/Silver Shell Nanostructures : Modulation of Inflammation and Upregulation of Dopamine
With the increasing applications of silver nanoparticles (Ag NPs), the concerns of widespread human exposure as well as subsequent health risks have been continuously growing. The acute and chronic toxicities of Ag NPs in cellular tests and animal tests have been widely investigated. Accumulating evidence shows that Ag NPs can induce inflammation, yet the overall mechanism is incomplete. Herein, using gold nanorod core/silver shell nanostructures (AuAg NRs) as a model system, we studied the influence on mice liver and lungs from the viewpoint of metabolism. In agreement with previous studies, Au@Ag NRs' intravenous exposure caused inflammatory reaction, accompanying with metabolic alterations, including energy metabolism, membrane/choline metabolism, redox metabolism, and purine metabolism, the disturbances of which contribute to inflammation. At the same time, dopamine metabolism in liver was also changed. This is the first time to observe the production of dopamine in non-neural tissue after treatment with Ag NPs. As the upregulation of dopamine resists inflammation, it indicates the activation of antioxidant defense systems against oxidative stress induced by Au@Ag NRs. In the end, our findings deepened the understanding of molecular mechanisms of Ag NPs-induced inflammation and provide assistance in the rational design of their biomedical applications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:21 |
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| Enthalten in: |
International journal of molecular sciences - 21(2020), 2 vom: 08. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Haiyun [VerfasserIn] |
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| Links: |
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| Themen: |
3M4G523W1G |
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| Anmerkungen: |
Date Completed 01.10.2020 Date Revised 28.03.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.3390/ijms21020384 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM30534773X |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a With the increasing applications of silver nanoparticles (Ag NPs), the concerns of widespread human exposure as well as subsequent health risks have been continuously growing. The acute and chronic toxicities of Ag NPs in cellular tests and animal tests have been widely investigated. Accumulating evidence shows that Ag NPs can induce inflammation, yet the overall mechanism is incomplete. Herein, using gold nanorod core/silver shell nanostructures (AuAg NRs) as a model system, we studied the influence on mice liver and lungs from the viewpoint of metabolism. In agreement with previous studies, Au@Ag NRs' intravenous exposure caused inflammatory reaction, accompanying with metabolic alterations, including energy metabolism, membrane/choline metabolism, redox metabolism, and purine metabolism, the disturbances of which contribute to inflammation. At the same time, dopamine metabolism in liver was also changed. This is the first time to observe the production of dopamine in non-neural tissue after treatment with Ag NPs. As the upregulation of dopamine resists inflammation, it indicates the activation of antioxidant defense systems against oxidative stress induced by Au@Ag NRs. In the end, our findings deepened the understanding of molecular mechanisms of Ag NPs-induced inflammation and provide assistance in the rational design of their biomedical applications | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Wen, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Tao |e verfasserin |4 aut | |
| 700 | 1 | |a Ji, Yinglu |e verfasserin |4 aut | |
| 700 | 1 | |a Shen, Yaoyi |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Jiaqi |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Haiyan |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Xiaochun |e verfasserin |4 aut | |
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