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- W4309263908 endingPage "101687" @default.
- W4309263908 startingPage "101687" @default.
- W4309263908 abstract "Developing DNA nanostructures as delivery vectors into organelles is a key technical barrier because of their innate poor pharmacokinetic properties. Herein, we propose a unique concept for high precision cancer therapy by using small gold nanoparticles (AuNPs) as adhesive nano-tapes to fold a long string of aptamer-attached tetrahedral DNA pearls (Apt-Nano-Tetra) into a spherical multicenter DNA nanostructure that can serve as a nucleus-targeted drug delivery carrier (Apt-ADMC) with a 75～85 times enhanced doxorubicin (Dox)-loading capacity. After specifically entering target tumor cells, Dox-Apt-ADMC is disassembled into individual AuNPs surrounded by short Apt-Nano-Tetra, finally reaching cell nucleus and causing cell apoptosis. Even if Dox-Apt-ADMC is treated with fetal bovine serum for 12 h, the drug delivery ability is not compromised, contributing to high functional stability in circulation system. As such, the systemically-administrated Dox-Apt-ADMC shows 7 times enhanced tumor accumulation and almost 100% inhibits tumor growth without detectable systemic toxicity. • Developing DNA nanostructures as drug delivery vectors into organelles is a key technical barrier of drug delivery. • We proposed a nucleus-targeted drug delivery carrier by folding a long string of tetrahedral pearls with gold nanoparticles. • The nucleus-targeted drug delivery carrier has enhanced drug-loading capacity. • Drug can be delivered to the nucleus by nucleus-targeted carriers and exert their therapeutic activity. • The nucleus-targeted drug delivery carrier shows desirable tumor accumulation and tumor inhibition." @default.
- W4309263908 created "2022-11-25" @default.
- W4309263908 creator A5014942240 @default.
- W4309263908 creator A5015565640 @default.
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- W4309263908 creator A5042714025 @default.
- W4309263908 creator A5063039137 @default.
- W4309263908 creator A5079775060 @default.
- W4309263908 date "2022-12-01" @default.
- W4309263908 modified "2023-09-27" @default.
- W4309263908 title "Adhesive AuNP tape-mediated hierarchical assembly of multicenter DNA nanocomplexes for tumor cell nucleus-targeted staged drug delivery in vivo" @default.
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