Cited by 1,834Extracellular vesicles in diseaseMesenchymal stem cell researchPeriodontal Regeneration and Treatments

Concise review: MSC-derived exosomes for cell-free therapy

Phinney, Donald G., Pittenger, Mark F.·2017·Stem Cells

Abstract

Mesenchymal stem cell transplantation is undergoing extensive evaluation as a cellular therapy in human clinical trials. Because MSCs are easily isolated and amenable to culture expansion in vitro there is a natural desire to test MSCs in many diverse clinical indications. This is exemplified by the rapidly expanding literature base that includes many in vivo animal models. More recently, MSC-derived extracellular vesicles (EVs), which include exosomes and microvesicles (MV), are being examined for their role in MSC-based cellular therapy. These vesicles are involved in cell-to-cell communication, cell signaling, and altering cell or tissue metabolism at short or long distances in the body. The exosomes and MVs can influence tissue responses to injury, infection, and disease. MSC-derived exosomes have a content that includes cytokines and growth factors, signaling lipids, mRNAs, and regulatory miRNAs. To the extent that MSC exosomes can be used for cell-free regenerative medicine, much will depend on the quality, reproducibility, and potency of their production, in the same manner that these parameters dictate the development of cell-based MSC therapies. However, the MSC exosome's contents are not static, but rather a product of the MSC tissue origin, its activities and the immediate intercellular neighbors of the MSCs. As such, the exosome content produced by MSCs appears to be altered when MSCs are cultured with tumor cells or in the in vivo tumor microenvironment. Therefore, careful attention to detail in producing MSC exosomes may provide a new therapeutic paradigm for cell-free MSC-based therapies with decreased risk. Stem Cells 2017;35:851-858.

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Crossref · 10.1002/stem.2575

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Authors
Phinney, D. G., & Pittenger, M. F.
Affiliations
  • Scripps Research Institute (US)
  • b Longevity Therapeutics, Inc, La Jolla, California, USA
Corresponding author
Phinney, Donald G.
Venue
Stem Cells
Published
2017-03-10
Volume
35
Issue
4
Pages
851-858
ISSN
  • 1066-5099 (ISSN-L)
  • 1549-4918
OpenAlex
W2605484523
Cited by
1,834
References
102
Citations by year
2026: 189 · 2025: 198 · 2024: 224 · 2023: 198 · 2022: 251 · 2021: 263 · 2020: 244 · 2019: 145 · 2018: 87 · 2017: 33 · 2012: 1
FWCI
13.04
Type
journal article
Language
en
Open access
closed
Locations
  • Stem Cells (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
  • Health Sciences › Medicine › Urology › Periodontal Regeneration and Treatments
Keywords
mesenchymal stem cells, exosomes, extracellular vesicles, microvesicles, cell-free therapy, tumor microenvironment, cell-to-cell communication, microRNA, cytokines and growth factors
MeSH terms
Animals, Humans, Wound Healing, Paracrine Communication, Stem Cell Niche, Exosomes, Mesenchymal Stem Cells

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