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Related Experiment Video

Updated: Nov 22, 2025

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Multifunctional Triple-Layered Composite Scaffolds Combining Platelet-Rich Fibrin Promote Bone Regeneration.

Lin Zhang1, Yunsheng Dong1, Yueming Xue1

  • 1Key Laboratory of Bioactive Materials for Ministry of Education, College of Life Sciences, Nankai University, Tianjin 300071, China.

ACS Biomaterials Science & Engineering
|January 11, 2021
PubMed
Summary

Researchers developed a novel triple-layered scaffold combining polycaprolactone/gelatin, chitosan/poly (γ-glutamic acid)/hydroxyapatite, and platelet-rich fibrin for enhanced bone regeneration. This multifunctional material promotes osteoinduction, osteoconduction, and osseointegration, offering a promising clinical approach.

Keywords:
barrier membranebone regenerationcomposite scaffoldshydrogelplatelet-rich fibrin

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Current bone regeneration materials have limitations including finite sources, donor site morbidity, and disease transmission risks.
  • Need for multifunctional scaffolds that integrate osteoinduction, osteoconduction, and osseointegration is critical for overcoming existing clinical product deficiencies.

Purpose of the Study:

  • To fabricate a triple-layered composite scaffold integrating osteoinduction, osteoconduction, and osseointegration for enhanced bone regeneration.
  • To evaluate the in vitro and in vivo efficacy of the developed scaffold for bone tissue engineering applications.

Main Methods:

  • Fabrication of polycaprolactone/gelatin (PG) nanofiber films via electrospinning for barrier function.
  • Formation of chitosan/poly (γ-glutamic acid)/hydroxyapatite (CPH) hydrogels for osteoconduction.
  • Incorporation of platelet-rich fibrin (PRF) for osteoinduction and implantation into rat calvarial defects.

Main Results:

  • In vitro studies demonstrated hydrogel mineralization, cytocompatibility, cell barrier effects, and osteogenic differentiation.
  • In vivo analysis showed effective bone regeneration in rat calvarial defects using the triple-layered composite scaffolds.
  • The combination of PG films, CPH hydrogels, and PRF facilitated a synergistic effect on bone healing.

Conclusions:

  • A multifunctional triple-layered scaffold combining PG, CPH, and PRF was successfully fabricated.
  • The developed scaffold effectively promotes bone regeneration by integrating osteoinduction, osteoconduction, and osseointegration.
  • This approach offers a pragmatic concept for clinical bone tissue regeneration, leveraging the growth factor release from PRF.