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Understanding the fate of DNA nanostructures inside the cell

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Abstract

Structural DNA nanotechnology is poised to transform targeted therapeutic and theranostic delivery agents. Some of the most promising biomedical applications of DNA nanostructures include carriers for biosensing, imaging, and drug delivery. Additionally, the unique ability to precisely position inorganic and organic molecules on DNA-based substrates enables the spatially optimized high density interfacing of ligands with cell membrane receptors. To realize clinically viable biomedical products made from DNA nanostructures, it is necessary to fully understand the behavior of these systems inside and outside the cellular environment. To that end, cohesive and conclusive information on the physiological fate of DNA nanostructures at various time points – from the cell culture to the cell cytosol – is still lacking. In this highlight, we bring to attention efforts to understand DNA nanostructure behavior in vitro as well as some widespread disparities among studies on the subject. We also call for a discussion on the implementation of common standards and controls to address these disparities and consequently unify the scientific community's endeavours to build foundational knowledge on DNA nanostructure–cellular interaction.

Graphical abstract: Understanding the fate of DNA nanostructures inside the cell

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Article information


Submitted
12 Feb 2020
Accepted
19 Mar 2020
First published
02 Apr 2020

J. Mater. Chem. B, 2020, Advance Article
Article type
Highlight

Understanding the fate of DNA nanostructures inside the cell

C. M. Green, D. Mathur and I. L. Medintz, J. Mater. Chem. B, 2020, Advance Article , DOI: 10.1039/D0TB00395F

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