Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 28, Pages 9866-9869Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja504845f
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Funding
- Defense Advanced Research Projects Agency [HR0011-13-2-0018]
- Center for Cancer Nanotechnology Excellence (CCNE) initiative of the National Institutes of Health [U54 CA151880]
- Air Force Office of Scientific Research [FA-9550-11-1-0275]
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A novel class of metal-free spherical nucleic acid nanostructures was synthesized from readily available starting components. These particles consist of 30 nm liposomal cores, composed of an FDA-approved 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) lipid monomer. The surface of the liposomes was functionalized with DNA strands modified with a tocopherol tail that intercalates into the phospholipid layer of the liposomal core via hydrophobic interactions. The spherical nucleic acid architecture not only stabilizes these constructs but also facilitates cellular internalization and gene regulation in SKOV-3 cells.
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