Evaluation of immunoresponses and cytotoxicity from skin exposure to metallic nanoparticles
Menglei Wang,1 Xuan Lai,2 Longquan Shao,2 Li Li1 1Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China; 2Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China Abstract: Nanotechnology i...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2018
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| Acceso en línea: | https://doaj.org/article/d39a233d9879459fb03f469f7116b57d |
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| Sumario: | Menglei Wang,1 Xuan Lai,2 Longquan Shao,2 Li Li1 1Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China; 2Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China Abstract: Nanotechnology is an interdisciplinary science that has developed rapidly in recent years. Metallic nanoparticles (NPs) are increasingly utilized in dermatology and cosmetology, because of their unique properties. However, skin exposure to NPs raises concerns regarding their transdermal toxicity. The tight junctions of epithelial cells form the skin barrier, which protects the host against external substances. Recent studies have found that NPs can pass through the skin barrier into deeper layers, indicating that skin exposure is a means for NPs to enter the body. The distribution and interaction of NPs with skin cells may cause toxic side effects. In this review, possible penetration pathways and related toxicity mechanisms are discussed. The limitations of current experimental methods on the penetration and toxic effects of metallic NPs are also described. This review contributes to a better understanding of the risks of topically applied metallic NPs and provides a foundation for future studies. Keywords: metallic nanoparticles, transdermal penetration, toxicity |
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