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Half-segmental Diaphyseal Bone Defect Model in Rats for Evaluating Bone Substitute Performance in Load-bearing Regions
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Piezoelectric Materials in Bone Organoids
Tianhao Wang1,2,3, Fangzhou Liu4, Gan Gao1,2,3
1Organoid Research Center, Institute of Translational Medicine, Shanghai University, Shanghai, China.
Advanced Healthcare Materials
|March 19, 2026
Summary
Piezoelectric mechanosensing is crucial for bone development and regeneration. This review highlights its absence in current bone organoid models and proposes integrating piezoelectricity for advanced electromechanical bone engineering.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Biophysics
Background:
- Natural bone exhibits intrinsic piezoelectricity, converting mechanical stimuli into bioelectrical signals vital for bone development and regeneration.
- Existing in vitro bone models often neglect this electromechanical behavior, focusing on piezoelectric materials for repair rather than developmental regulation.
- Bone organoids offer a 3D model system, but their electromechanical aspects remain underexplored.
Purpose of the Study:
- To argue that piezoelectric mechanosensing is a critical, yet overlooked, biophysical factor in bone organoid engineering.
- To review the piezoelectric properties of bone and their role in osteogenesis.
- To evaluate piezoelectric materials for force-electric transduction in bone organoids.
Main Methods:
- Literature review and synthesis of existing research on bone piezoelectricity, mechanosensing, and organoid development.
- Analysis of signaling pathways activated by piezoelectric stimulation.
- Evaluation of piezoelectric materials for their suitability in bone organoid systems.
Main Results:
- Piezoelectric mechanosensing is essential for osteogenesis and bone development.
- Current bone organoid models lack systematic examination of their electromechanical properties.
- Specific piezoelectric materials show potential for force-electric transduction in engineered bone.
Conclusions:
- Piezoelectric mechanosensing should be considered a fundamental axis in bone organoid development.
- Engineering electromechanically active bone organoids requires integrating piezoelectric principles.
- This approach reframes bone organoids as electromechanically regulated systems, advancing their study.
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