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Updated: Jul 13, 2026
Electrospun Nanofiber Scaffolds with Gradations in Fiber Organization
Published on: April 19, 2015
Multifunctional inverse opal scaffold loaded with FGF2 for tendon regeneration.
Wanqing Weng1, Chuanqi Qiu1, Jifeng Wang1
1Department of Hand Surgery and Peripheral Neurosurgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China; National Key Clinical Specialty (Wound Healing), The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325035, China.
This study introduces an innovative inverse opal scaffold that enhances tendon regeneration. The scaffold supports cell migration and sustained release of fibroblast growth factor 2 (FGF2), promoting faster and more organized tendon repair.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Tissue Engineering
Background:
- Tendon defects present significant clinical challenges due to limited natural healing capacity.
- Low cellularity and metabolic activity hinder effective tendon regeneration.
Purpose of the Study:
- To develop and evaluate a novel inverse opal scaffold for improved tendon defect repair.
- To investigate the scaffold's ability to enhance cell behavior and deliver growth factors for tendon regeneration.
Main Methods:
- Fabrication of an inverse opal scaffold using negative replication of a photonic crystal template.
- Assessment of scaffold biocompatibility, mechanical properties, and cellular interactions (focal adhesion formation, migration).
- Incorporation and sustained release of fibroblast growth factor 2 (FGF2) from the scaffold.
Main Results:
- The scaffold demonstrated excellent biocompatibility and mechanical integrity.
- Its nanoporous structure inhibited focal adhesion maturation and promoted cell migration.
- FGF2 release significantly boosted cell proliferation and the secretion of tendon-specific proteins and extracellular matrix (ECM).
- In vivo studies showed rapid recruitment of endogenous cells, accelerated neovascularization, and enhanced regenerative protein secretion in a tendon defect model.
Conclusions:
- The developed inverse opal scaffold effectively promotes rapid and organized tendon regeneration.
- This multifunctional scaffold holds significant potential for clinical applications in tendon repair.
