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Nanobody-derived nanobiotechnology tool kits for diverse biomedical and biotechnology applications

Authors Wang Y, Fan Z, Shao L, Kong X, Hou X, Tian D, Sun Y, Xiao Y, Yu L

Received 25 February 2016

Accepted for publication 15 June 2016

Published 21 July 2016 Volume 2016:11 Pages 3287—3303


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 5

Editor who approved publication: Dr Linlin Sun

Yongzhong Wang,1 Zhen Fan,2 Lei Shao,3 Xiaowei Kong,1 Xianjuan Hou,1 Dongrui Tian,1 Ying Sun,1 Yazhong Xiao,1 Li Yu4

1School of Life Sciences, Collaborative Innovation Center of Modern Bio-manufacture, Anhui University, Hefei, People’s Republic of China; 2Department of Biomedical Engineering, The Ohio State University, Columbus, OH, USA; 3State Key Laboratory of New Drugs and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, Shanghai, 4Department of Microbiology and Parasitology, Anhui Provincial Laboratory of Microbiology and Parasitology, Anhui Key Laboratory of Zoonoses, Anhui Medical University, Hefei, People’s Republic of China

Abstract: Owing to peculiar properties of nanobody, including nanoscale size, robust structure, stable and soluble behaviors in aqueous solution, reversible refolding, high affinity and specificity for only one cognate target, superior cryptic cleft accessibility, and deep tissue penetration, as well as a sustainable source, it has been an ideal research tool for the development of sophisticated nanobiotechnologies. Currently, the nanobody has been evolved into versatile research and application tool kits for diverse biomedical and biotechnology applications. Various nanobody-derived formats, including the nanobody itself, the radionuclide or fluorescent-labeled nanobodies, nanobody homo- or heteromultimers, nanobody-coated nanoparticles, and nanobody-displayed bacteriophages, have been successfully demonstrated as powerful nanobiotechnological tool kits for basic biomedical research, targeting drug delivery and therapy, disease diagnosis, bioimaging, and agricultural and plant protection. These applications indicate a special advantage of these nanobody-derived technologies, already surpassing the “me-too” products of other equivalent binders, such as the full-length antibodies, single-chain variable fragments, antigen-binding fragments, targeting peptides, and DNA-based aptamers. In this review, we summarize the current state of the art in nanobody research, focusing on the nanobody structural features, nanobody production approach, nanobody-derived nanobiotechnology tool kits, and the potentially diverse applications in biomedicine and biotechnology. The future trends, challenges, and limitations of the nanobody-derived nanobiotechnology tool kits are also discussed.

Keywords: nanobody, VHH, V-NAR, HCAbs, IgNAR, nanobiotechnology

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