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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lai, Qing guo Sun, Shao long Zhou, Xiao hong Zhang, Chen ping Yuan, Kui feng Yang, Zhong jun Luo, Sheng lei Tang, Xiao peng Ci, Jiang bo |
| Copyright Year | 2014 |
| Abstract | This study was designed to investigate the effects of local delivery of adipose-derived stem cells (ADSCs) transfected with transcription factor osterix (OSX) on bone formation during distraction osteogenesis. New Zealand white rabbits (n=54) were randomly divided into three groups (18 rabbits per group). A directed cloning technique was used for the construction of recombinant plasmid pEGFP-OSX, where EGFP is the enhanced green fluorescence protein. After osteodistraction of the right mandible of all experimental rabbits, rabbits in group A were treated with ADSCs transfected with pEGFP-OSX, group B with ADSCs transfected with pEGFP-N1, and group C with physiological saline. Radiographic and histological examinations were processed after half of the animals within each group were humanely killed by injection of sodium pentothal at Week 2 or 6 after surgery. The distraction bone density was measured as its projectional bone mineral density (BMD). Three parameters were measured, namely, the thickness of new trabeculae (TNT), and the volumes of the newly generated cortical bone (NBV1) and the cancellous bone (NBV2) of the distracted regions. Good bone generation in the distraction areas was found in group A, which had the highest BMD, TNT, and NBV in the distraction zones among the groups. There was no significant difference in bone generation in the distraction areas between groups B and C. The results indicate that the transplantation of ADSCs transfected with pEGFP-OSX can effectively promote bone generation during distraction in vivo. |
| Starting Page | 482 |
| Ending Page | 490 |
| Page Count | 9 |
| File Format | |
| ISSN | 16731581 |
| Journal | Journal of Zhejiang University SCIENCE B |
| Volume Number | 15 |
| Issue Number | 5 |
| e-ISSN | 18621783 |
| Language | English |
| Publisher | Zhejiang University Press |
| Publisher Date | 2014-05-01 |
| Publisher Place | Hangzhou |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Adipose-derived stem cell (ADSC) Distraction osteogenesis Transcription factor Gene transfection Biomedicine general |
| Content Type | Text |
| Resource Type | Article |
| Subject | Veterinary Medicine Biochemistry, Genetics and Molecular Biology Pharmacology, Toxicology and Pharmaceutics |
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