Cited by 462Extracellular vesicles in diseaseBone Tissue Engineering MaterialsMesenchymal stem cell research

Bone marrow stromal/stem cell-derived extracellular vesicles regulate osteoblast activity and differentiation in vitro and promote bone regeneration in vivo

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Qin, Yunhao, Wang, Lian, Gao, Zhengliang, Chen, Genyin, Zhang, Changqing·2016·Scientific Reports

Abstract

Emerging evidence suggests that extracellular vesicles (EVs) are secreted by diverse tissues and play important roles in cell-cell communication, organ interactions and tissue homeostasis. Studies have reported the use of EVs to stimulate tissue regeneration, such as hepatic cell regeneration, and to treat diseases, such as pulmonary hypertension. However, little is known about the osteogenic effect of EVs. In this study, we explore the role of bone marrow stromal cell-derived EVs in the regulation of osteoblast activity and bone regeneration. We isolated bone marrow stromal/stem cell (BMSC)-derived EVs through gradient ultracentrifugation and ultrafiltration, and tested the influence of the EVs on osteogenesis both in vivo and in vitro . The results indicated that EVs positively regulated osteogenic genes and osteoblastic differentiation but did not inhibit proliferation in vitro . Furthermore, we constructed an EVs delivery system to stimulate bone formation in Sprague Dawley (SD) rats with calvarial defects. We found that BMSC-derived EVs led to more bone formation in the critical-size calvarial bone defects. Moreover, we found that miR-196a plays an essential role in the regulation of osteoblastic differentiation and the expression of osteogenic genes. We anticipate that our assay using bone marrow stromal cell-derived EVs will become a valuable tool for promoting bone regeneration.

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Authors
Qin, Y., Wang, L., Gao, Z., Chen, G., & Zhang, C.
Affiliations
  • Shanghai Jiao Tong University (CN)
  • Tongji University (CN)
  • Guangdong Medical College (CN)
Corresponding author
  • Chen, Genyin
  • Zhang, Changqing
Venue
Scientific Reports
Published
2016-02-25
Volume
6
Issue
1
Pages
21961-21961
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2417871706
Cited by
458
References
29
Citations by year
2026: 19 · 2025: 40 · 2024: 45 · 2023: 53 · 2022: 61 · 2021: 84 · 2020: 59 · 2019: 41 · 2018: 28 · 2017: 23 · 2016: 5
FWCI
16.81
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Extracellular vesicles in disease
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
extracellular vesicles, mesenchymal stem cells, osteogenic differentiation, bone formation, bone regeneration, miR-196a, calvarial defect, critical-size bone defect, osteogenic gene expression
MeSH terms
Extracellular Vesicles, Animals, Bone and Bones, Bone Marrow Cells, Bone Regeneration, Cell Differentiation, Cells, Cultured, Endoplasmic Reticulum, Flow Cytometry, Golgi Apparatus, Humans, Male, Microscopy, Electron, Osteoblasts, Osteogenesis, Osteocalcin, Rats, Sprague-Dawley, Microscopy, Confocal, MicroRNAs, Rats, Osteopontin, X-Ray Microtomography, Mesenchymal Stem Cells, Real-Time Polymerase Chain Reaction

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