Evolution of Nanoparticle Protein Corona across the Blood–Brain Barrier
Engineered nanoparticles offer the chance to improve drug transport and delivery through biological barriers, exploiting the possibility to leave the blood circulation and traverse the endothelial vascular bed, blood–brain barrier (BBB) included, to reach their target. It is known that nanoparticles...
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Veröffentlicht in: | ACS nano 2018-07, Vol.12 (7), p.7292-7300 |
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creator | Cox, Alysia Andreozzi, Patrizia Dal Magro, Roberta Fiordaliso, Fabio Corbelli, Alessandro Talamini, Laura Chinello, Clizia Raimondo, Francesca Magni, Fulvio Tringali, Maria Krol, Silke Jacob Silva, Paulo Stellacci, Francesco Masserini, Massimo Re, Francesca |
description | Engineered nanoparticles offer the chance to improve drug transport and delivery through biological barriers, exploiting the possibility to leave the blood circulation and traverse the endothelial vascular bed, blood–brain barrier (BBB) included, to reach their target. It is known that nanoparticles gather molecules on their surface upon contact with biological fluids, forming the “protein corona”, which can affect their fate and therapeutic/diagnostic performance, yet no information on the corona’s evolution across the barrier has been gathered so far. Using a cellular model of the BBB and gold nanoparticles, we show that the composition of the corona undergoes dramatic quantitative and qualitative molecular modifications during passage from the “blood” to the “brain” side, while it is stable once beyond the BBB. Thus, we demonstrate that the nanoparticle corona dynamically and drastically evolves upon crossing the BBB and that its initial composition is not predictive of nanoparticle fate and performance once beyond the barrier at the target organ. |
doi_str_mv | 10.1021/acsnano.8b03500 |
format | Article |
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title | Evolution of Nanoparticle Protein Corona across the Blood–Brain Barrier |
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