Bone physiological microenvironment and healing mechanism: Basis for future bone-tissue engineering scaffolds
Guanyin Zhu1, Tianxu Zhang1, Miao Chen1
1State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, PR China.
Bioactive Materials
|May 17, 2021
Summary
This review explores bone physiology and healing mechanisms to guide the development of advanced bone tissue engineering (BTE) scaffolds. Understanding natural bone processes is key for creating effective BTE scaffolds for bone regeneration.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Orthopedic Research
Background:
- Bone-tissue defects present a significant global health challenge.
- Current bone grafting methods (autologous and allogeneic) have limitations in therapeutic efficacy.
- Bone tissue engineering (BTE) offers promising alternatives for bone regeneration.
Purpose of the Study:
- To review natural bone physiology and the bone-healing cascade.
- To elucidate the role of the bone physiological microenvironment and biomolecules.
- To provide insights for designing biomimetic BTE scaffolds based on bone biology.
Main Methods:
- Comprehensive literature review of bone physiology and healing mechanisms.
- Analysis of biomimetic and bioinspired BTE scaffold designs.
- Synthesis of information on the bone microenvironment and bioactive factors.
Main Results:
- Detailed description of the natural bone physiological microenvironment.
- Explanation of the intricate bone-healing process and involved biomolecules.
- Elaboration on biomimetic scaffold design principles aligned with bone biology.
Conclusions:
- Understanding natural bone biology is crucial for advancing BTE scaffold design.
- Biomimetic scaffolds that mimic the native bone environment enhance regeneration potential.
- This review provides a foundation for developing next-generation BTE scaffolds for bone repair.


