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Controlled-release naringin nanoscaffold for osteoporotic bone healing
Yan Ji1, Lu Wang1, David C Watts2
1Department of Prosthodontics, Stomatological Hospital of Chongqing Medical University, No. 426 Songshibei Road, Yubei District, Chongqing 401147, China; Chongqing key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 401147, China.
Dental Materials : Official Publication of the Academy of Dental Materials
|September 21, 2014
Summary
Naringin-loaded nanoscaffolds enhance bone regeneration by promoting osteoblast activity and inhibiting osteoclast formation, offering a promising treatment for osteoporosis and guided bone regeneration. This improves scaffold bonding strength in bone defects.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Nanotechnology
Background:
- Osteoporosis impairs guided bone regeneration by weakening scaffold-bone integration.
- Naringin shows therapeutic potential for osteoporosis and bone resorption.
Purpose of the Study:
- To incorporate naringin into electrospun nanoscaffolds for enhanced bone regeneration.
- To evaluate the effects of naringin-loaded nanoscaffolds on bone cells and defect healing.
Main Methods:
- Naringin was integrated into poly(ɛ-caprolactone) (PCL) and poly(ethylene glycol)-block-poly(ɛ-caprolactone) (PEG-b-PCL) nanoscaffolds.
- Nanoscaffold properties (structure, hydrophilicity, degradation, naringin release) were analyzed.
- Osteoblast (MC3T3-E1) responses (adhesion, proliferation, differentiation, mineralization) were assessed.
- Osteoclast activity was evaluated in a mouse calvarial defect model.
Main Results:
- The nanoscaffolds exhibited improved hydrophilicity, uniform nanofibers, and controlled naringin release.
- Naringin-loaded scaffolds significantly enhanced osteoblast adhesion, proliferation, differentiation, and mineralization.
- Osteoclast formation and activity were suppressed by the naringin-loaded nanoscaffolds.
Conclusions:
- Controlled-release naringin nanoscaffolds promote osteogenesis and inhibit osteoclastogenesis.
- These nanoscaffolds offer a promising strategy for improving guided bone regeneration in osteoporotic conditions.
