We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
The Effect of the Delivery Carrier on the Quality of Bone Formed via Bone Morphogenetic Protein-2.
- Authors
La, Wan-Geun; Kwon, Sun-Hyun; Lee, Tae-Jin; Yang, Hee Seok; Park, Jooyeon; Kim, Byung-Soo
- Abstract
Bone morphogenetic protein-2 (BMP-2) can induce bone generation in vivo. Although many studies have demonstrated an increased quantity of regenerated bone after the delivery of BMP-2 using various carriers, little is known about the effect of the carrier type on the quality of the regenerated bone. In this study, we compared the quality of regenerated bone when BMP-2 was delivered with either β-tricalcium phosphate (β-TCP) or heparin-conjugated fibrin (HCF), both of which are shown to be excellent carriers for BMP-2. The profile of the release of BMP-2 was not significantly different between the delivery carriers. However, the alkaline phosphate activity of cultured osteoblasts was significantly higher when BMP-2 was delivered using HCF than when BMP-2 was delivered using β-TCP. To evaluate the quality of the regenerated bone, both types of BMP-2 carriers were implanted into critical-sized calvarial defects in mice. Eight weeks after implantation, the regenerated bone was examined by histomorphometry. Importantly, the treatment using HCF + BMP-2 and β-TCP + BMP-2 resulted in similar bone formation areas. However, the treatment using HCF + BMP-2 resulted in significantly higher bone density than the treatment using β-TCP + BMP-2. This study shows that a BMP-2 delivery carrier can modulate the quality of bone regenerated via BMP-2 delivery.
- Subjects
BONE morphogenetic proteins; BONE density; REGENERATION (Biology); ALKALINE phosphatase; FIBRIN
- Publication
Artificial Organs, 2012, Vol 36, Issue 7, p642
- ISSN
0160-564X
- Publication type
Article
- DOI
10.1111/j.1525-1594.2011.01420.x