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A novel deproteinized bovine bone scaffold containing chitosan microspheres for controlled delivery of BMP-2

  • Qing Li
  • , Gang Zhou
  • , Xin Yu
  • , Tong Wang
  • , Zhi Hui Tang*
  • *Corresponding author for this work
  • Peking University
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The bone substation grafts, such as hydroxyapatite, TCP, have been used in the clinical. But it is found that they are not capable of enhancing bone regeneration due to their poor osteoinductive compared with allograft and autograft. In order to increase the osteoinductive, bone morphogenetic protein 2 (BMP-2) has highlighted to incorporate into a three dimensional reservoir. The purpose of the present study was to develop a novel drug delivery system with the capability of controlled releasing BMP-2. In this study, BMP-2/Chitosan (CS) microspheres were succeeded loaded on the deproteinized bovine bone (DBB) scaffold. The release profile of BMP-2 study indicated an initial burst release followed by a sustained release. In vitro bioactivity assay revealed that the encapsulated growth factor was biologically active as evidenced by cell culture. Therefore, the novel strategy of this microspheres-scaffold system is potentially to utilize the bone tissue engineered.

Original languageEnglish
Title of host publicationMaterial Science, Civil Engineering and Architecture Science, Mechanical Engineering and Manufacturing Technology II
EditorsH.W. Liu, G. Wang, G.W. Zhang
PublisherTrans Tech Publications Ltd
Pages187-190
Number of pages4
ISBN (Electronic)9783038352679
DOIs
StatePublished - 2014
Event3rd International Conference on Advanced Engineering Materials and Architecture Science, ICAEMAS 2014 - Huhhot, China
Duration: 26 Jul 201427 Jul 2014

Publication series

NameApplied Mechanics and Materials
Volume651-653
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference3rd International Conference on Advanced Engineering Materials and Architecture Science, ICAEMAS 2014
Country/TerritoryChina
CityHuhhot
Period26/07/1427/07/14

Keywords

  • BMP-2
  • Chitosan
  • Deproteinized bovine bone

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