Abstract
Aim: Critical knee osteochondral defects in seven adult minipigs were treated with oligo(polyethylene glycol)fumarate (OPF) hydrogel combined with autologous or human adipose-derived stem cells (ASCs), and evaluated after 6 months. Methods: Four defects were made on the peripheral part of right trochleas (n = 28), and treated with OPF scaffold alone or pre-seeded with ASCs. Results: A better quality cartilage tissue characterized by improved biomechanical properties and higher collagen type II expression was observed in the defects treated by autologous or human ASC-loaded OPF; similarly this approach induced the regeneration of more mature bone with upregulation of collagen type I expression. Conclusion: This study provides the evidence that both porcine and human adipose-derived stem cells associated to OPF hydrogel allow improving osteochondral defect regeneration in a minipig model.
| Original language | English |
|---|---|
| Pages (from-to) | 135-151 |
| Number of pages | 17 |
| Journal | Regenerative Medicine |
| Volume | 10 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Mar 2015 |
Bibliographical note
Publisher Copyright:© 2015 Future Medicine Ltd.
Keywords
- adipose-derived stem cells
- bone
- cartilage
- oligo(polyethylene glycol)fumarate hydrogel
- osteochondral defects
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