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Updated: Jun 12, 2026
04:24
A Mouse Distraction Osteogenesis Model
Published on: November 14, 2018
Cyclic distraction-compression promotes bone regeneration during distraction osteogenesis through the
Lian Tang1,2, Lujun Jiang1,2,3, Jialin Liu4,5
1Department of Orthopedics, Affiliated Hospital of Southwest Medical University, Lu Zhou, China.
Frontiers in Bioengineering and Biotechnology
|June 11, 2026
Summary
Cyclic distraction-compression (CDC) accelerates bone regeneration in distraction osteogenesis by enhancing bone formation and maturation. This technique potentially works through Piezo1-YAP-β-catenin signaling, improving outcomes.
Area of Science:
- Biomedical Engineering
- Regenerative Medicine
- Orthopedic Surgery
Background:
- Distraction osteogenesis (DO) is crucial for large bone defects but limited by slow healing.
- The cyclic distraction-compression (CDC) technique shows potential for bone enhancement.
- Mechanisms of CDC in bone regeneration are not fully understood.
Purpose of the Study:
- To investigate the role of Piezo1 mechanotransduction in CDC-enhanced bone regeneration.
- To elucidate the molecular pathways involved in CDC during distraction osteogenesis.
Main Methods:
- A rat femoral DO model was used with CDC applied during consolidation.
- Piezo1 agonist (Yoda1) or inhibitor (GsMTx4) was administered to study mechanotransduction.
- Bone regeneration was assessed using radiography, micro-CT, biomechanics, and histology.
Main Results:
- CDC significantly improved bone volume, density, structure, and mechanical strength.
- Piezo1 activation amplified CDC benefits; inhibition reduced them.
- CDC upregulated Piezo1, YAP, β-catenin, osteogenic, and angiogenic markers.
Conclusions:
- CDC accelerates bone regeneration in DO via Piezo1-YAP-β-catenin signaling.
- Enhanced osteogenic-angiogenic coupling contributes to CDC's efficacy.
- Findings support optimizing CDC and targeting mechanosensory pathways for improved DO.
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