PMID- 20690503 OWN - NLM STAT- MEDLINE DCOM- 20100914 LR - 20211020 IS - 1674-2818 (Print) IS - 2049-3169 (Electronic) IS - 1674-2818 (Linking) VI - 1 IP - 1 DP - 2009 Mar TI - Sequential fluorescent labeling observation of maxillary sinus augmentation by a tissue-engineered bone complex in canine model. PG - 39-46 LID - 10.4248/ijos.08022 [doi] AB - AIM: To evaluate the effects of maxillary sinus floor elevation by a tissue-engineered bone complex of beta-tricalcium phosphate (beta-TCP) and autologous osteoblasts in dogs. METHODOLOGY: Autologous osteoblasts from adult Beagle dogs were cultured in vitro. They were further combined with beta-TCP to construct the tissue-engineered bone complex. 12 cases of maxillary sinus floor elevation surgery were made bilaterally in 6 animals and randomly repaired with the following 3 groups of materials: Group A (osteoblasts/beta-TCP); Group B (beta-TCP); Group C (autogenous bone) (n=4 per group). A polychrome sequential fluorescent labeling was performed post-operatively and the animals were sacrificed 24 weeks after operation for histological observation. RESULTS: Our results showed that autologous osteoblasts were successfully expanded and the osteoblastic phenol-types were confirmed by ALP and Alizarin red staining. The cells could attach and proliferate well on the surface of the beta-TCP scaffold. The fluorescent and histological observation showed that the tissue-engineered bone complex had an earlier mineralization and more bone formation inside the scaffold than beta-TCP along or even autologous bone. It had also maximally maintained the elevated sinus height than both control groups. CONCLUSION: Porous beta-TCP has served as a good scaffold for autologous osteoblasts seeding. The tissue-engineered bone complex with beta-TCP and autologous osteoblasts might be a better alternative to autologous bone for the clinical edentulous maxillary sinus augmentation. FAU - Jiang, Xin-quan AU - Jiang XQ AD - Shanghai Research Institute of Stomatology, Shanghai Key Laboratory of Stomatolgoy, Shanghai Ninth People's Hospital affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China. FAU - Wang, Shao-yi AU - Wang SY FAU - Zhao, Jun AU - Zhao J FAU - Zhang, Xiu-li AU - Zhang XL FAU - Zhang, Zhi-yuan AU - Zhang ZY LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - India TA - Int J Oral Sci JT - International journal of oral science JID - 101504351 RN - 0 (Anthraquinones) RN - 0 (Biocompatible Materials) RN - 0 (Biomarkers) RN - 0 (Bone Substitutes) RN - 0 (Calcium Phosphates) RN - 0 (Fluorescent Dyes) RN - 0 (beta-tricalcium phosphate) RN - 60MEW57T9G (alizarin) RN - EC 3.1.3.1 (Alkaline Phosphatase) SB - IM MH - Alkaline Phosphatase/analysis MH - Alveolar Ridge Augmentation/*methods MH - Animals MH - Anthraquinones MH - Biocompatible Materials/*therapeutic use MH - Biomarkers/analysis MH - Bone Substitutes/therapeutic use MH - Bone Transplantation/pathology MH - Calcification, Physiologic/physiology MH - Calcium Phosphates/*therapeutic use MH - Cell Adhesion/physiology MH - Cell Proliferation MH - Dogs MH - Fluorescent Dyes MH - Guided Tissue Regeneration, Periodontal/methods MH - Maxilla/*surgery MH - Maxillary Sinus/*surgery MH - Models, Animal MH - Osteoblasts/*transplantation MH - Osteogenesis/physiology MH - Random Allocation MH - Tissue Engineering/*methods MH - *Tissue Scaffolds MH - Transplantation, Autologous PMC - PMC3735791 EDAT- 2009/03/01 00:00 MHDA- 2010/09/16 06:00 PMCR- 2009/03/01 CRDT- 2010/08/10 06:00 PHST- 2010/08/10 06:00 [entrez] PHST- 2009/03/01 00:00 [pubmed] PHST- 2010/09/16 06:00 [medline] PHST- 2009/03/01 00:00 [pmc-release] AID - ijos20098 [pii] AID - 10.4248/ijos.08022 [doi] PST - ppublish SO - Int J Oral Sci. 2009 Mar;1(1):39-46. doi: 10.4248/ijos.08022.