Issue 14, 2024

A comprehensive review of engineered exosomes from the preparation strategy to therapeutic applications

Abstract

Exosomes exhibit high bioavailability, biological stability, targeted specificity, low toxicity, and low immunogenicity in shuttling various bioactive molecules such as proteins, lipids, RNA, and DNA. Natural exosomes, however, have limited production, targeting abilities, and therapeutic efficacy in clinical trials. On the other hand, engineered exosomes have demonstrated long-term circulation, high stability, targeted delivery, and efficient intracellular drug release, garnering significant attention. The engineered exosomes bring new insights into developing next-generation drug delivery systems and show enormous potential in therapeutic applications, such as tumor therapies, diabetes management, cardiovascular disease, and tissue regeneration and repair. In this review, we provide an overview of recent advancements associated with engineered exosomes by focusing on the state-of-the-art strategies for cell engineering and exosome engineering. Exosome isolation methods, including traditional and emerging approaches, are systematically compared along with advancements in characterization methods. Current challenges and future opportunities are further discussed in terms of the preparation and application of engineered exosomes.

Graphical abstract: A comprehensive review of engineered exosomes from the preparation strategy to therapeutic applications

Article information

Article type
Review Article
Submitted
23 ኤፕሪ 2024
Accepted
20 ሜይ 2024
First published
22 ሜይ 2024

Biomater. Sci., 2024,12, 3500-3521

A comprehensive review of engineered exosomes from the preparation strategy to therapeutic applications

X. Fan, Y. Zhang, W. Liu, M. Shao, Y. Gong, T. Wang, S. Xue and R. Nian, Biomater. Sci., 2024, 12, 3500 DOI: 10.1039/D4BM00558A

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