Cited by 269Advanced biosensing and bioanalysis techniquesNanoparticle-Based Drug DeliveryRNA Interference and Gene Delivery

Visualization of the Cellular Uptake and Trafficking of DNA Origami Nanostructures in Cancer Cells

Open access
Wang, Pengfei, Rahman, Mohammad Aminur, Zhao, Zhixiang, Weiss, Kristin, Zhang, Chao, Chen, Zhengjia, Hurwitz, Selwyn J., Chen, Zhuo G. +2 more·2018·Journal of the American Chemical Society

Abstract

DNA origami is a promising molecular delivery system for a variety of therapeutic applications including cancer therapy, given its capability to fabricate homogeneous nanostructures whose physicochemical properties (size, shape, surface chemistry) can be precisely tailored. However, the correlation between DNA-origami design and internalization efficiency in different cancer cell lines remains elusive. We investigated the cellular uptake of four DNA-origami nanostructures (DONs) with programmed sizes and shapes in multiple human cancer cell lines. The cellular uptake efficiency of DONs was influenced by size, shape, and cell line. Scavenger receptors were responsible for the internalization of DONs into cancer cells. We observed distinct stages of the internalization process of a gold nanoparticle (AuNP)-tagged rod-shape DON, using high-resolution transmission electron microscopy. This study provides detailed understanding of cellular uptake and intracellular trafficking of DONs in cancer cells, and offers new insights for future optimization of DON-based drug delivery systems for cancer treatment.

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  • EM is better suited to the examination of hybrid structures in which DNA is used to create barcodes made of gold nanoparticles.

    “As such, EM is better suited to the examination of hybrid structures, wherein the DNA is used to create “barcodes” made of gold nanoparticles,129 for example.”
  • Different barcodes can be used to track the cellular uptake of various nanostructures because EM allows for the identification of subcellular compartments.

    “Different barcodes can then be used to track the cellular uptake of various nanostructures because EM allows for the identification of subcellular compartments.”

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  1. [8]Wang P; M TA.; Pan V; Dutta PK; Ke Y Chem. 2017, 2 (3), 359– 382.

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Authors
Wang, P., Rahman, M. A., Zhao, Z., Weiss, K., Zhang, C., Chen, Z., Hurwitz, S. J., Chen, Z. G., Shin, D. M., & Ke, Y.
Affiliations
  • Georgia Institute of Technology (US)
  • Emory University (US)
  • Central South University (CN)
Corresponding author
  • Shin, Dong M.
  • Ke, Yonggang
Venue
Journal of the American Chemical Society
Published
2018-02-12
Volume
140
Issue
7
Pages
2478-2484
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2786092482
Cited by
269
References
45
Citations by year
2026: 17 · 2025: 30 · 2024: 38 · 2023: 38 · 2022: 29 · 2021: 45 · 2020: 28 · 2019: 31 · 2018: 13
FWCI
10.41
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Biomedical Imaging and Bioengineering (R21EB022828-01A1)
  • American Cancer Society (IRG-14-188-0)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
  • Physical Sciences › Materials Science › Biomaterials › Nanoparticle-Based Drug Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
Keywords
DNA origami, cellular uptake, intracellular trafficking, cancer cells, scavenger receptors, gold nanoparticle labeling, drug delivery systems, cancer therapy, cell line differences
MeSH terms
DNA, Gold, Humans, Particle Size, Drug Delivery Systems, Cell Line, Tumor, Metal Nanoparticles

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