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The use of gold nanoparticles to enhance radiotherapy in mice
Open accessAbstract
Mice bearing subcutaneous EMT-6 mammary carcinomas received a single intravenous injection of 1.9 nm diameter gold particles (up to 2.7 g Au/kg body weight), which elevated concentrations of gold to 7 mg Au/g in tumours. Tumour-to-normal-tissue gold concentration ratios remained approximately 8:1 during several minutes of 250 kVp x-ray therapy. One-year survival was 86% versus 20% with x-rays alone and 0% with gold alone. The increase in tumours safely ablated was dependent on the amount of gold injected. The gold nanoparticles were apparently non-toxic to mice and were largely cleared from the body through the kidneys. This novel use of small gold nanoparticles permitted achievement of the high metal content in tumours necessary for significant high-Z radioenhancement.
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Cited by
Determining the Size and Shape Dependence of Gold Nanoparticle Uptake into Mammalian Cells
Chithrani, B. D., Ghazani, A. A., & Chan, W. C. W. (2006) · Nano Letters · doi:10.1021/nl052396o · Cited by 4,879
Plasmonic photothermal therapy (PPTT) using gold nanoparticles
Huang, X., Jain, P. K., El-Sayed, I. H., & El-Sayed, M. A. (2008) · Lasers in Medical Science · doi:10.1007/s10103-007-0470-x · Cited by 2,376
Gold Nanomaterials at Work in Biomedicine
Yang, X., Yang, M., Pang, B., Vara, M., & Xia, Y. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00193 · Cited by 1,162
Gold nanoparticles for applications in cancer radiotherapy: Mechanisms and recent advancements
Her, S., Jaffray, D. A., & Allen, C. (2017) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2015.12.012 · Cited by 865
Gold nanoparticles: opportunities and challenges in nanomedicine
Arvizo, R., Bhattacharya, R., & Mukherjee, P. (2010) · Expert Opinion on Drug Delivery · doi:10.1517/17425241003777010 · Cited by 538
Metadata
- Authors
- Hainfeld, J. F., Slatkin, D. N., & Smilowitz, H. M.
- Venue
- Physics in Medicine and Biology
- Publisher
- IOP Publishing
- Published
- 2004-09-04
- Volume
- 49
- Issue
- 18
- Pages
- N309-N315
- ISSN
- 0031-9155 (ISSN-L)
- 1361-6560
- OpenAlex
- W2145238798
- Cited by
- 1,638
- References
- 0
- FWCI
- 12.75
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Hainfeld, J. F., Slatkin, D. N., & Smilowitz, H. M. (2004). The use of gold nanoparticles to enhance radiotherapy in mice. Physics in Medicine and Biology. https://doi.org/10.1088/0031-9155/49/18/n03
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