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author:

Li, C. (Li, C..) [1] | Gao, Y. (Gao, Y..) [2] | Li, Q. (Li, Q..) [3] | Luo, S. (Luo, S..) [4] | Liao, W. (Liao, W..) [5] | Wu, Z.-S. (Wu, Z.-S..) [6]

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Scopus

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. © 2022 Elsevier Ltd

Keyword:

Gold nanoparticle-based adhesive tape Hierarchical assembly of DNA structures Nucleus-targeted drug delivery Spherical multicenter core-shell nanostructure

Community:

  • [ 1 ] [Li, C.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Gao, Y.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Li, Q.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Luo, S.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Liao, W.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Wu, Z.-S.]Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, State Key Laboratory of Photocatalysis on Energy and Environment and College of Chemistry, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Wu, Z.-S.]Cancer Metastasis Alert and Prevention Center, China

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Source :

Nano Today

ISSN: 1748-0132

Year: 2022

Volume: 47

1 7 . 4

JCR@2022

1 3 . 2 0 0

JCR@2023

ESI HC Threshold:55

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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