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Aptamer-Functionalized DNA Nanostructures for Biological Applications

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Abstract

DNA nanostructures hold great promise for various applications due to their remarkable properties, including programmable assembly, nanometric positional precision, and dynamic structural control. The past few decades have seen the development of various kinds of DNA nanostructures that can be employed as useful tools in fields such as chemistry, materials, biology, and medicine. Aptamers are short single-stranded nucleic acids that bind to specific targets with excellent selectivity and high affinity and play critical roles in molecular recognition. Recently, many attempts have been made to integrate aptamers with DNA nanostructures for a range of biological applications. This review starts with an introduction to the features of aptamer-functionalized DNA nanostructures. The discussion then focuses on recent progress (particularly during the last five years) in the applications of these nanostructures in areas such as biosensing, bioimaging, cancer therapy, and biophysics. Finally, challenges involved in the practical application of aptamer-functionalized DNA nanostructures are discussed, and perspectives on future directions for research into and applications of aptamer-functionalized DNA nanostructures are provided.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (grants 21705038, 21890744, 21521063, 21605038), the Natural Science Foundation of Hunan Province (2018JJ3029), and Rutgers University.

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Authors and Affiliations

  1. State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, China

    Xiaoyi Fu, Fangqi Peng, Mengyi Xiong, Gezhi Kong, Guoliang Ke & Xiao-Bing Zhang

  2. Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA

    Jungyeon Lee, Qi Yang & Fei Zhang

  3. College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China

    Hong-min Meng

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  1. Xiaoyi Fu
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Correspondence to Guoliang Ke.

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This article is part of the Topical Collection “DNA Nanotechnology: From Structure to Functionality”; edited by Chunhai Fan, Yonggang Ke.

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Fu, X., Peng, F., Lee, J. et al. Aptamer-Functionalized DNA Nanostructures for Biological Applications. Top Curr Chem (Z) 378, 21 (2020). https://doi.org/10.1007/s41061-020-0283-y

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