PMID- 23866781 OWN - NLM STAT- MEDLINE DCOM- 20131105 LR - 20181202 IS - 1531-5053 (Electronic) IS - 0278-2391 (Linking) VI - 71 IP - 9 DP - 2013 Sep TI - A preliminary study on the application of bone marrow stromal cell sheet on the formation of functional tissue-engineered bone in dogs. PG - 1531.e1-1531.e10 LID - S0278-2391(13)00431-X [pii] LID - 10.1016/j.joms.2013.04.029 [doi] AB - PURPOSE: The aim of this study was to construct functional tissue-engineered bone in dogs using cell sheet engineering, a new technique to gain and transfer seed cells. MATERIALS AND METHODS: Demineralized bone matrixes, prepared from homologous bone, were coated with recombinant human bone morphogenetic protein-2. Bone marrow stromal cells (BMSCs) were isolated and subcultured. Osteogenic-induced BMSCs were incubated in a temperature-responsive culture dish to form the BMSC sheet. The complex of demineralized bone matrix, recombinant human bone morphogenetic protein-2, and BMSCs wrapped with BMSC sheets was implanted around the blood vessels of the latissimus dorsi muscle in the experimental side, and the same complex without BMSC sheets was implanted around the blood vessels of the latissimus dorsi muscle on the other side as a control. At 4, 8, 12, and 16 weeks after implantation, the implants were removed for radiographic evaluation, descriptive histologic observation, and histologic quantitative analysis. RESULTS: Radiographic analysis showed that the optical density of the tissue-engineered bone on the 2 sides increased with time. However, the optical density of the experimental side was significantly greater than that of the control side at the same points. Sixteen weeks after implantation, mature lamellar bone was formed in the experimental side, with red bone marrow in the bone marrow cavity. In contrast, the control side exhibited significantly less lamellar bone. Histologic quantitative analysis showed that the experimental side exhibited significantly more bone per area compared with the control side. CONCLUSION: BMSC sheet engineering may be useful to construct functional tissue-engineered bone. CI - Copyright (c) 2013 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved. FAU - Du, Chun-hua AU - Du CH AD - Central Laboratory, Affiliated Hospital of the Medical College, Qingdao University, Qingdao, China. FAU - Li, Ning-yi AU - Li NY FAU - Gao, Ning AU - Gao N FAU - Yao, Chao AU - Yao C FAU - Wang, Shuang-yi AU - Wang SY FAU - Bu, Ling-xue AU - Bu LX LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20130715 PL - United States TA - J Oral Maxillofac Surg JT - Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons JID - 8206428 RN - 0 (Bone Morphogenetic Protein 2) RN - 0 (Culture Media) RN - 0 (Recombinant Proteins) RN - 0 (Transforming Growth Factor beta) RN - 0 (recombinant human bone morphogenetic protein-2) SB - IM MH - Animals MH - Bone Demineralization Technique MH - Bone Marrow Cells/*physiology MH - Bone Matrix MH - Bone Morphogenetic Protein 2/chemistry MH - Bone and Bones/diagnostic imaging/pathology/*physiology MH - Capillaries/pathology MH - Cell Culture Techniques MH - Cell Separation MH - Culture Media MH - Dogs MH - Fascia/blood supply MH - Fasciotomy MH - Female MH - Haversian System/pathology MH - Humans MH - Humidity MH - Image Processing, Computer-Assisted/methods MH - Male MH - Mesenchymal Stem Cells/*physiology MH - Muscle, Skeletal/blood supply/surgery MH - Osteoblasts/physiology MH - Osteogenesis/*physiology MH - Radiography MH - Random Allocation MH - Recombinant Proteins/chemistry MH - Temperature MH - Tissue Engineering/instrumentation/*methods MH - Tissue Scaffolds/chemistry MH - Transforming Growth Factor beta/chemistry EDAT- 2013/07/23 06:00 MHDA- 2013/11/06 06:00 CRDT- 2013/07/23 06:00 PHST- 2012/10/03 00:00 [received] PHST- 2013/04/22 00:00 [revised] PHST- 2013/04/25 00:00 [accepted] PHST- 2013/07/23 06:00 [entrez] PHST- 2013/07/23 06:00 [pubmed] PHST- 2013/11/06 06:00 [medline] AID - S0278-2391(13)00431-X [pii] AID - 10.1016/j.joms.2013.04.029 [doi] PST - ppublish SO - J Oral Maxillofac Surg. 2013 Sep;71(9):1531.e1-1531.e10. doi: 10.1016/j.joms.2013.04.029. Epub 2013 Jul 15.