Abstract
Forming nano-assemblies is essential for delivering DNA conjugates into cells, with the DNA density in the nano-assembly playing an important role in determining the uptake efficiency. In this study, we developed a strategy for the facile synthesis of DNA strands bearing perfluoroalkyl (RF) groups (RF-DNA conjugates) and investigated how they affect cellular uptake. An RF-DNA conjugate bearing a long RF group at the DNA terminus forms a nano-assembly with a high DNA density, which results in greatly enhanced cellular uptake. The uptake mechanism is mediated by clathrin-dependent endocytosis. The use of RF groups to densely assemble negatively charged DNA is a useful strategy for designing drug delivery carriers.
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Schedule a callMore From: Chembiochem : a European journal of chemical biology
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