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Bone formation performance of silk fibroin-hydroxyapatite osteoid composite biomaterials

  • Lin Niu
  • , Rui Zou
  • , Fu Qiao Shi
  • , Yi Lu
  • , Xin Min Chen
  • , Zhi Qing Chen
  • , Qi Da Liu
  • Xi'an Jiaotong University
  • Sichuan University

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To evaluate the bone formation ability of silk fibroin-hydroxyapatite osteoid composite biomaterials in vitro. Methods: Human osteoblast-like cell line MG-63 was cultured on the material surface in vitro. After different time points, alkaline phosphatase (ALP) activity, extracellular matrix calcium ion concentration and the content of osteocalcin (OC) were tested to evaluate the osteogenesis properties of the material in vitro. Results: ALP activity of cells, extracellular matrix calcium ion concentration and the content of OC was significantly higher in the experimental group (silk fibroin-hydroxyapatite) than in the control group (hydroxyapatite). Conclusion: Silk fibroin-hydroxyapatite has excellent osteogenic activities in vitro. It may serve as a new type of material for clinical repair of bone tissue defects.

Original languageEnglish
Pages (from-to)303-306
Number of pages4
JournalJournal of Xi'an Jiaotong University (Medical Sciences)
Volume32
Issue number3
StatePublished - May 2011

Keywords

  • Alkaline phosphatase
  • Hydroxyapatite
  • Osteocalcin
  • Osteogenic property
  • Silk fibroin

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