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Review
. 2022 Jun 21;11(13):1989.
doi: 10.3390/cells11131989.

Different Sourced Extracellular Vesicles and Their Potential Applications in Clinical Treatments

Leila Bahmani  1   2 , Mujib Ullah  1   2
Affiliations
Review

Different Sourced Extracellular Vesicles and Their Potential Applications in Clinical Treatments

Leila Bahmani et al. Cells. .

Abstract

Extracellular vesicles (EVs) include a heterogeneous group of natural cell-derived nanostructures that are increasingly regarded as promising biotherapeutic agents and drug delivery vehicles in human medicine. Desirable intrinsic properties of EVs including the ability to bypass natural membranous barriers and to deliver their unique biomolecular cargo to specific cell populations position them as fiercely competitive alternatives for currently available cell therapies and artificial drug delivery platforms. EVs with distinct characteristics can be released from various cell types into the extracellular environment as a means of transmitting bioactive components and altering the status of the target cell. Despite the existence of a large number of preclinical studies confirming the therapeutic efficacy of different originated EVs for treating several pathological conditions, in this review, we first provide a brief overview of EV biophysical properties with an emphasis on their intrinsic therapeutic benefits over cell-based therapies and synthetic delivery systems. Next, we describe in detail different EVs derived from distinct cell sources, compare their advantages and disadvantages, and recapitulate their therapeutic effects on various human disorders to highlight the progress made in harnessing EVs for clinical applications. Finally, knowledge gaps and concrete hurdles that currently hinder the clinical translation of EV therapies are debated with a futuristic perspective.

Keywords: Extracellular vesicles; cellular communication; clinical application; drug delivery; stem cells.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
EVs play contrasting roles in normal physiology and pathological communication.
Figure 2
Figure 2
EVs can be involved in cancer therapy as diagnostic markers, therapeutics, and drug delivery tools.
See this image and copyright information in PMC

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