國家衛生研究院 NHRI:Item 3990099045/13053
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    题名: Assessment of polyethylene glycol-coated gold nanoparticle toxicity and inflammation in vivo using NF-kappaB reporter mice
    其它题名: Assessment of polyethylene glycol-coated gold nanoparticle toxicity and inflammation in vivo using NF-κB reporter mice
    作者: Chen, TY;Chen, MR;Liu, SW;Lin, JY;Yang, YT;Huang, HY;Chen, JK;Yang, CS;Lin, KM
    贡献者: Institute of Biomedical Engineering and Nanomedicine;Institute of Population Health Sciences
    摘要: Polyethylene glycol (PEG) coating of gold nanoparticles (AuNPs) improves AuNP distribution via blood circulation. The use of PEG-coated AuNPs was shown to result in acute injuries to the liver, kidney, and spleen, but long-term toxicity has not been well studied. In this study, we investigated reporter induction for up to 90 days in NF-κB transgenic reporter mice following intravenous injection of PEG-coated AuNPs. The results of different doses (1 and 4 μg AuNPs per gram of body weight), particle sizes (13 nm and 30 nm), and PEG surfaces (methoxyl- or carboxymethyl-PEG 5 kDa) were compared. The data showed up to 7-fold NF-κB reporter induction in mouse liver from 3 h to 7 d post PEG-AuNP injection compared to saline-injected control mice, and gradual reduction to a level similar to control by 90 days. Agglomerates of PEG-AuNPs were detected in liver Kupffer cells, but neither gross pathological abnormality in liver sections nor increased activity of liver enzymes were found at 90 days. Injection of PEG-AuNPs led to an increase in collagen in liver sections and elevated total serum cholesterol, although still within the normal range, suggesting that inflammation resulted in mild fibrosis and affected hepatic function. Administrating PEG-AuNPs inevitably results in nanoparticles entrapped in the liver; thus, further investigation is required to fully assess the long-term impacts by PEG-AuNPs on liver health.
    日期: 2020-10-31
    關聯: International Journal of Molecular Sciences. 2020 Oct 31;21(21):Article number 8158.
    Link to: http://dx.doi.org/10.3390/ijms21218158
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1422-0067&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000589034000001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85094847757
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