Development of a nanomaterial bio-screening platform for neurological applications.
Development of a nanomaterial bio-screening platform for neurological applications.
复制标题
开发用于神经学应用的纳米材料生物筛选平台。
DOI:
10.1016/j.nano.2014.07.010
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Jenkins SI
中科院分区:
文献类型:
--
作者:
Jenkins SI
Nanoparticle platforms are being intensively investigated for neurological applications. Current biological models used to identify clinically relevant materials have major limitations,e.g.technical/ethical issues with live animal experimentation, failure to replicate neural cell diversity, limited control over cellular stoichiometries and poor reproducibility. High-throughput neuro-mimetic screening systems are required to address these challenges. We describe an advanced multicellular neural model comprising the major non-neuronal/glial cells of the central nervous system (CNS), shown to account for ~99.5% of CNS nanoparticle uptake. This model offers critical advantages for neuro-nanomaterials testing while reducing animal use: one primary source and culture medium for all cell types, standardized biomolecular corona formation and defined/reproducible cellular stoichiometry. Using dynamic time-lapse imaging, we demonstrate in real-time that microglia (neural immune cells) dramatically limit particle uptake in other neural subtypes (paralleling post-mortem observations after nanoparticle injectionin vivo), highlighting the utility of the system in predicting neural handling of biomaterials.From the Clinical EditorThe authors describe an advanced multicellular neural model comprising the major non-neuronal/glial cells of the central nervous system, shown to account for approximately 99.5% of CNS nanoparticle uptake. They demonstrate that this novel model offers critical advantages for neuro-nanomaterials testing, while reducing the need for experimental animals.
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