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Nanoscale Res Lett. 2013 May 24;8(1):251. doi: 10.1186/1556-276X-8-251.

Influence of nanoparticles of platinum on chicken embryo development and brain morphology.

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Department of Veterinary Clinical and Animal Sciences, University of Copenhagen, Groennegaardsvej 3, Frederiksberg 1870, Denmark.


Platinum nanoparticles (NP-Pt) are noble metal nanoparticles with unique physiochemical properties that have recently elicited much interest in medical research. However, we still know little about their toxicity and influence on general health. We investigated effects of NP-Pt on the growth and development of the chicken embryo model with emphasis on brain tissue micro- and ultrastructure. The embryos were administered solutions of NP-Pt injected in ovo at concentrations from 1 to 20 μg/ml. The results demonstrate that NP-Pt did not affect the growth and development of the embryos; however, they induced apoptosis and decreased the number of proliferating cells in the brain tissue. These preliminary results indicate that properties of NP-Pt might be utilized in brain cancer therapy, but potential toxic side effects must be elucidated in extensive follow-up research.

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