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Review
. 2021 Feb 26:9:648098.
doi: 10.3389/fcell.2021.648098. eCollection 2021.

Tissue Regeneration Capacity of Extracellular Vesicles Isolated From Bone Marrow-Derived and Adipose-Derived Mesenchymal Stromal/Stem Cells

Yuan Liu  1 , Christina Holmes  1
Affiliations
Review

Tissue Regeneration Capacity of Extracellular Vesicles Isolated From Bone Marrow-Derived and Adipose-Derived Mesenchymal Stromal/Stem Cells

Yuan Liu et al. Front Cell Dev Biol. .

Abstract

Mesenchymal stem cell (MSC)-based therapies have demonstrated tissue repair and regeneration capacity in various preclinical models. These therapeutic effects have recently been largely attributed to the paracrine effects of the MSC secretome, including proteins and extracellular vesicles (EVs). EVs are cell-secreted nano-sized vesicles with lipid bilayer membranes that facilitate cell-cell signaling. Treatments based on MSC-derived EVs are beginning to be explored as an alternative to MSC transplantation-based therapies. However, it remains to be determined which MSC source produces EVs with the greatest therapeutic potential. This review compares the tissue regeneration capacity of EVs isolated from the two most common clinical sources of adult MSCs, bone marrow and adipose tissue, with a particular focus on their angiogenic, osteogenic, and immunomodulatory potentials. Other important issues in the development of MSC-derived EV based therapies are also discussed.

Keywords: adipose; angiogenesis; bone marrow; extracellular vesicle; immunomodulation; mesenchymal stem cell; osteogenesis; tissue regeneration.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
Schematic outline of the use of MSC- derived EVs within tissue regeneration models as analyzed in this review. EVs were isolated from the culture media of bone marrow-derived or adipose-derived MSCs and employed in various in vitro proliferation, differentiation, gene expression, and other assays, as well as within a variety of in vivo tissue regeneration studies, including preclinical animal models and human clinical trials.
See this image and copyright information in PMC

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