Nanodiamonds for Medical Applications: Interaction with Blood in Vitro and in Vivo

Lin-Wei, T.; Lin, Y.; Perevedentseva, E.; Lugovtsov, A.; Priezzhev, A.; Cheng, C.

Авторы: Lin-Wei Tsai, Yu-Chung Lin, Elena Perevedentseva, Andrei Lugovtsov, Alexander Priezzhev, Chia-Liang Cheng
Журнал: International Journal of Molecular Sciences
Том: 17
Номер: 7
Год издания: 2016
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Первая страница: 1111-1
Последняя страница: 1111-17
DOI: 10.3390/ijms17071111
Аннотация: Nanodiamonds (ND) have emerged to be a widely-discussed nanomaterial for their applications in biological studies and for medical diagnostics and treatment. The potentials have been successfully demonstrated in cellular and tissue models in vitro. For medical applications, further in vivo studies on various applications become important. One of the most challenging possibilities of ND biomedical application is controllable drug delivery and tracing. That usually assumes ND interaction with the blood system. In this work, we study ND interaction with rat blood and analyze how the ND surface modification and coating can optimize the ND interaction with the blood. It was found that adsorption of a low concentration of ND does not affect the oxygenation state of red blood cells (RBC). The obtained in vivo results are compared to the results of in vitro studies of nanodiamond interaction with rat and human blood and blood components, such as red blood cells and blood plasma. An in vivo animal model shows ND injected in blood attach to the RBC membrane and circulate with blood for more than 30 min; and ND do not stimulate an immune response by measurement of proinflammatory cytokine TNF-α with ND injected into mice via the caudal vein. The results further confirm nanodiamonds’ safety in organisms, as well as the possibility of their application without complicating the blood’s physiological conditions.
Добавил в систему: Приезжев Александр Васильевич

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