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Towards Stem Cell Therapy for Critical-Sized Segmental Bone Defects: Current Trends and Challenges on the Path to
Jolene Quek1, Catarina Vizetto-Duarte1, Swee Hin Teoh2
1Developmental Biology and Regenerative Medicine Programme, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore.
Journal of Functional Biomaterials
|June 26, 2024
Summary
Stem cells and tissue engineering scaffolds offer promising solutions for bone defect repair. This review explores advances and challenges in stem cell therapy for critical-sized bone defects.
Area of Science:
- Orthopaedic Surgery
- Regenerative Medicine
- Biomaterials Science
Background:
- Critical-sized segmental bone defects pose significant challenges in orthopaedic management.
- Regenerative medicine, particularly stem cell therapy, shows potential for bone fracture repair.
Purpose of the Study:
- To review current advances in bone tissue engineering for critical-sized bone defects.
- To identify translational and regulatory challenges in stem cell therapy for bone regeneration.
- To provide a forward-looking perspective on stem cell applications in orthopaedic surgery.
Main Methods:
- Narrative review of recent literature on bone tissue engineering.
- Focus on stem cells, scaffolds, microenvironment, and vascularization.
- Examination of clinical relevance and translational challenges.
Main Results:
- Significant progress in stem cell and scaffold-based bone tissue engineering.
- Key challenges include achieving adequate vascularization and navigating regulatory pathways.
- Integration of multiple components is crucial for successful bone regeneration.
Conclusions:
- Stem cell therapy holds great promise for treating critical-sized bone defects.
- Overcoming translational and regulatory hurdles is essential for clinical application.
- Future research should focus on optimizing scaffold design and microenvironment for enhanced bone regeneration.
