Internal benchmarking of a human blood-brain barrier cell model for screening of nanoparticle uptake and transcytosis

M.N. Ragnaill, M. Brown, D. Ye, M. Bramini, I. Lynch, K.A. Dawson, S. Callanan

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)

Abstract

Transport of drugs across the blood-brain barrier, which protects the brain from harmful agents, is considered the holy grail of targeted delivery, due to the extreme effectiveness of this barrier at preventing passage of non-essential molecules through to the brain. This has caused severe limitations for therapeutics for many brain-associated diseases, such as HIV and neurodegenerative diseases. Nanomaterials, as a result of their small size (in the order of many protein-lipid clusters routinely transported by cells) and their large surface area (which acts as a scaffold for proteins thereby rendering nanoparticles as biological entities) offer great promise for neuro-therapeutics. However, in parallel with developing neuro-therapeutic applications based on nanotechnology, it is essential to ensure their safety and long-term consequences upon reaching the brain. One approach to determining safe application of nanomaterials in biology is to obtain a deep mechanistic understanding of the interactions between nanomaterials and living systems (bionanointeractions). To this end, we report here on the establishment and internal round robin validation of a human cell model of the blood-brain barrier for use as a tool for screening nanoparticles interactions, and assessing the critical nanoscale parameters that determine transcytosis.
Original languageEnglish
Pages (from-to)360-367
Number of pages8
JournalEuropean Journal of Pharmaceutics and Biopharmaceutics
Volume77
Issue number3
DOIs
Publication statusPublished - 1 Apr 2011

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