Journal
JOURNAL OF CONTROLLED RELEASE
Volume 361, Issue -, Pages 803-818Publisher
ELSEVIER
DOI: 10.1016/j.jconrel.2023.08.036
Keywords
DNA self-assembly; Intelligent responses; Drug delivery
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Smart nanomaterials, constructed through DNA self-assembly, exhibit precise structures and diverse functions. They can be classified into static structures and dynamic reactions, serving as the basis for building smart nanomaterials. These materials, with good biocompatibility and stability, have wide applications in drug delivery.
Smart nanomaterials are nano-scaled materials that respond in a controllable and reversible way to external physical or chemical stimuli. DNA self-assembly is an effective way to construct smart nanomaterials with precise structure, diverse functions and wide applications. Among them, static structures such as DNA polyhedron, DNA nanocages and DNA hydrogels, as well as dynamic reactions such as catalytic hairpin reaction, hybridization chain reaction and rolling circle amplification, can serve as the basis for building smart nanomaterials. Due to the advantages of DNA, such as good biocompatibility, simple synthesis, rational design, and good stability, these materials have attracted increasing attention in the fields of pharmaceuticals and biology. Based on their specific response design, DNA self-assembled smart nanomaterials can deliver a variety of drugs, including small molecules, nucleic acids, proteins and other drugs; and they play important roles in enhancing cellular uptake, resisting enzymatic degradation, controlling drug release, and so on. This review focuses on different assembly methods of DNA self-assembled smart nanomaterials, therapeutic strategies based on various intelligent responses, and their applications in drug delivery. Finally, the opportunities and challenges of smart nanomaterials based on DNA self-assembly are summarized.
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