Bone tissue formation in sheep muscles induced by a biphasic calcium phosphate ceramic and fibrin glue composite

被引:84
作者
Le Nihouannen, Damien [1 ]
Saffarzadeh, Afchine [1 ]
Gauthier, Olivier [1 ,2 ]
Moreau, Francoise [1 ]
Pilet, Paul [1 ,3 ]
Spaethe, Reiner [4 ]
Layrolle, Pierre [1 ]
Daculsi, Guy [1 ]
机构
[1] Univ Nantes, INSERM, U791, Lab Ingenierie Osteoarticulalire & Dentaire, F-44024 Nantes, France
[2] Ecole Natl Vet Nantes, Serv Chirurg, F-44307 Nantes, France
[3] INSERM, RIO IFR 26, F-44042 Nantes, France
[4] Baxter Biosci Biosurg, Vienna, Austria
关键词
D O I
10.1007/s10856-007-3206-3
中图分类号
R318 [生物医学工程];
学科分类号
0831 [生物医学工程];
摘要
Some biomaterials are able to induce ectopic bone formation in muscles of large animals. The osteoinductive potential of macro- micro-porous biphasic calcium phosphate (MBCP) ceramic granules with fibrin glue was evaluated by intramuscular implantation for 6 months in six adult female sheep. The MBCP granules were 1-2 mm in size and were composed of hydroxyapatite (HA) and beta-tricalcium phosphate (beta-TCP) in a 60/40 ratio. The fibrin glue was composed of fibrinogen, thrombin and other biological factors. After 6 months of implantation in the dorsal muscles of sheep, the explants were rigid. Histology, back-scattered electron microscopy and micro-computed tomography of the implants indicated that approximately 12% of mineralized bone had formed in between the MBCP granules. The ectopic bone appeared well-mineralized with mature osteocytes and Haversian structures. In addition, the number and thickness of bone trabeculae formed in between the MBCP particles were similar to those measured in trabecular bone in sheep. The overall results therefore confirmed the formation of well-mineralized ectopic bone tissue after intramuscular implantation of MBCP/fibrin glue composites. These bone substitutes exhibiting osteoinductive properties could be used for the reconstruction of large bone defects.
引用
收藏
页码:667 / 675
页数:9
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