Single-Dosed Genotoxicity Study of Gold Nanorod Core/Silver Shell Nanostructures by Pig-a, Micronucleus, and Comet Assays

2018 ◽  
Vol 14 (11) ◽  
pp. 1953-1964 ◽  
Author(s):  
Dan Wang ◽  
Mo Dan ◽  
Yinglu Ji ◽  
Xiaochun Wu ◽  
Liming Xu ◽  
...  
Small ◽  
2016 ◽  
Vol 13 (10) ◽  
pp. 1602855 ◽  
Author(s):  
Xiumei Jiang ◽  
Liming Wang ◽  
Yinglu Ji ◽  
Jinglong Tang ◽  
Xin Tian ◽  
...  

2020 ◽  
Vol 21 (2) ◽  
pp. 384 ◽  
Author(s):  
Haiyun Li ◽  
Tao Wen ◽  
Tao Wang ◽  
Yinglu Ji ◽  
Yaoyi Shen ◽  
...  

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 (Au@Ag 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.


Nanoscale ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 6429-6437 ◽  
Author(s):  
Haiyun Li ◽  
Jiaqi Chen ◽  
Huizhen Fan ◽  
Rui Cai ◽  
Xinshuang Gao ◽  
...  

At sub-lethal doses, Au@Ag NRs induce oxidative stress that activates the protective autophagy of human hepatocytes.


2013 ◽  
Vol 551 ◽  
pp. 405-409 ◽  
Author(s):  
Jun Liu ◽  
Meng-Jie Chang ◽  
Bao Gao ◽  
Zhu-Guo Xu ◽  
Hao-Li Zhang

Nanoscale ◽  
2020 ◽  
Vol 12 (39) ◽  
pp. 20250-20257 ◽  
Author(s):  
Hua Mi ◽  
Shengyan Wang ◽  
Hang Yin ◽  
Le Wang ◽  
Lin Mei ◽  
...  

AuTNP@Ag nanostructures are developed as nanoprobes for hydrogen sulfide. Owing to the high refractive index sensitivity of Au TNPs and facile sulfurization of silver, AuTNP@Ag nanostructures exhibit great sensitivity to both sulfur ions and H2S gas.


2009 ◽  
Vol 131 (40) ◽  
pp. 14186-14187 ◽  
Author(s):  
Kuo-Wei Hu ◽  
Tzu-Ming Liu ◽  
Kuei-Yi Chung ◽  
Keng-Shiang Huang ◽  
Chien-Tai Hsieh ◽  
...  

RSC Advances ◽  
2014 ◽  
Vol 4 (103) ◽  
pp. 59472-59480
Author(s):  
Nan Yang ◽  
Yanyong Liu ◽  
Yinglu Ji ◽  
Zhili Ren ◽  
Jie Meng ◽  
...  

The risk of exposure to silver nanoparticles (AgNPs) is becoming increasingly widespread and causes great concern.


2014 ◽  
Vol 45 (6) ◽  
pp. 431-437 ◽  
Author(s):  
Xu Dong ◽  
Jianfeng Zhou ◽  
Xiaoyun Liu ◽  
Danli Lin ◽  
Liusheng Zha

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