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Issue 4, 2020

Biomimetic and bioinspired strategies for oral drug delivery

Author affiliations

Abstract

Oral drug delivery remains the most preferred approach due to its multiple advantages. Recently there has been increasing interest in the development of advanced vehicles for oral delivery of different therapeutics. Among them, biomimetic and bioinspired strategies are emerging as novel approaches that are promising for addressing biological barriers encountered by traditional drug delivery systems. Herein we provide a state-of-the-art review on the current progress of biomimetic particulate oral delivery systems. Different biomimetic nanoparticles used for oral drug delivery are first discussed, mainly including ligand/antibody-functionalized nanoparticles, transporter-mediated nanoplatforms, and nanoscale extracellular vesicles. Then we describe bacteria-derived biomimetic systems, with respect to oral delivery of therapeutic proteins or antigens. Subsequently, yeast-derived oral delivery systems, based on either chemical engineering or bioengineering approaches are discussed, with emphasis on the treatment of inflammatory diseases and cancer as well as oral vaccination. Finally, bioengineered plant cells are introduced for oral delivery of biological agents. A future perspective is also provided to highlight the existing challenges and possible resolution toward clinical translation of currently developed biomimetic oral therapies.

Graphical abstract: Biomimetic and bioinspired strategies for oral drug delivery

Article information


Submitted
29 Aug 2019
Accepted
06 Oct 2019
First published
07 Oct 2019

Biomater. Sci., 2020,8, 1020-1044
Article type
Review Article

Biomimetic and bioinspired strategies for oral drug delivery

X. Hu, G. Yang, S. Chen, S. Luo and J. Zhang, Biomater. Sci., 2020, 8, 1020 DOI: 10.1039/C9BM01378D

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