CytoDirect: A Nucleic Acid Nanodevice for Specific and Efficient Delivery of Functional Payloads to the Cytoplasm.

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ID: 278948
2023
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Ranked #103 of 112 articles by views in Journal of the American Chemical Society

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Abstract
Direct and efficient delivery of functional payloads such as chemotherapy drugs, siRNA, or small-molecule inhibitors into the cytoplasm, bypassing the endo/lysosomal trapping, is a challenging task for intracellular medicine. Here, we take advantage of the programmability of DNA nanotechnology to develop a DNA nanodevice called CytoDirect, which incorporates disulfide units and human epidermal growth factor receptor 2 (HER2) affibodies into a DNA origami nanostructure, enabling rapid cytosolic uptake into targeted cancer cells and deep tissue penetration. We further demonstrated that therapeutic oligonucleotides and small-molecule chemotherapy drugs can be easily delivered by CytoDirect and showed notable effects on gene knockdown and cell apoptosis, respectively. This study demonstrates the synergistic effect of disulfide and HER2 affibody modifications on the rapid cytosolic delivery of DNA origami and its payloads to targeted cells and deep tissues, thereby expanding the delivery capabilities of DNA nanostructures in a new direction for disease treatment.
Reference Key
yu2023cytodirectjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yu, Lu;Xu, Yang;Al-Amin, Md;Jiang, Shuoxing;Sample, Matthew;Prasad, Abhay;Stephanopoulos, Nicholas;Šulc, Petr;Yan, Hao;
Journal Journal of the American Chemical Society
Year 2023
DOI
10.1021/jacs.3c07491
URL
Keywords
development chicken immunohistochemistry colocalization enteroendocrine cells

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