Journal
BIOMACROMOLECULES
Volume 23, Issue 6, Pages 2586-2594Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.biomac.2c00282
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Funding
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program [948334 InActioN]
- Fondation Pierre Mercier pour la Science
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DNA-based nanomaterials have been studied for their stability and uptake in different cell types. This research systematically analyzes the effects of surface parameters, such as charge, coating, fluorophore types, functionalization technique, and particle concentration, on the uptake of DNA-based nanoparticles in tumor cells, macrophages, and dendritic cells. The findings highlight the importance of proper engineering and assay development when using DNA-based materials in bioengineering and future nanotherapeutic agents.
DNA-based nanomaterials are gaining popularity as uniform and programmable bioengineering tools as a result of recent solutions to their weak stability under biological conditions. The DNA nanotechnology platform uniquely allows decoupling of engineering parameters to comprehensively study the effect of each upon cellular encounter. We here present a systematic analysis of the effect of surface parameters of DNA-based nanoparticles on uptake in three different cell models: tumor cells, macrophages, and dendritic cells. The influence of surface charge, stabilizing coating, fluorophore types, functionalization technique, and particle concentration employed is found to cause significant differences in material uptake among these cell types. We therefore provide new insights into the large variance in cell type-specific uptake, highlighting the necessity of proper engineering and careful assay development when DNA-based materials are used as tools in bioengineering and as future nanotherapeutic agents.
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