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Plant-derived extracellular vesicles (PDEVs) are nanoscale vesicles released from plant cells into the extracellular space. While similar in structure and function to mammalian-derived EVs, PDEVs are unique due to their origin and the specific metabolites they carry. PDEVs have gained significant attention in recent years, with numerous reports isolating different PDEVs from various plants, each exhibiting diverse biological functions. However, the field is still in its early stages, and many issues need further exploration. To better develop and utilize PDEVs, it is essential to have a comprehensive understanding of their characteristics. This review provides an overview of recent advances in PDEV research. It focuses on the methods and techniques for isolating and purifying PDEVs, comparing their respective advantages, limitations, and application scenarios. Furthermore, we discuss the latest discoveries regarding the composition of PDEVs, including lipids, proteins, nucleic acids, and various plant metabolites. Additionally, we detail advanced studies on the multiple biological functions of PDEVs. Our goal is to advance our understanding of PDEVs and encourage further exploration in PDEV-based science and technology, offering insights into their potential applications for human health.
Zeng et al. (Mon,) studied this question.