PMID- 30196861 OWN - NLM STAT- MEDLINE DCOM- 20190207 LR - 20240229 IS - 1878-4119 (Electronic) IS - 1010-5182 (Linking) VI - 46 IP - 9 DP - 2018 Sep TI - Biofunctionalization of synthetic bone substitutes with angiogenic stem cells: Influence on regeneration of critical-size bone defects in an in vivo murine model. PG - 1601-1608 LID - S1010-5182(18)30387-1 [pii] LID - 10.1016/j.jcms.2018.06.002 [doi] AB - PURPOSE: The aim of this study was to investigate the influence of human bone marrow-derived endothelial progenitor cells (EPC) on vascularization and bone regeneration in combination with a bone-substitute material (BSM) in a critical-size bone defect in a murine model. Critical-size bone defects were performed and the defects were filled according to the group membership. MATERIALS AND METHODS: Eighteen rats were randomized in two experimental groups: BSM (BoneCeramic) with/without EPC biofunctionalization, and a control group without BSM and EPC. Calvaria bone defects were performed and the defects were filled according to the group membership. After 8 weeks, qualitative tissue response of newly formed bone mass was analyzed by histology, cone beam CT (CBCT) and micro-CT (muCT) scans. Occurrence of tumor masses due to EPC vascularization in peripheral organs was investigated microscopically in histological slides of liver and kidney. RESULTS: The combination of EPC and BSM showed smaller bone defects in the CT scans and the histological evaluation as the single use of BSM without EPC by trend (p = 0.067). Further, a higher amount of blood vessels could be found in histological slices of BSM in combination with EPC. No inflammatory response or tumor formation could be found. CONCLUSION: These findings confirm the biocompatibility of the used BSM and provide evidence that the combination of BSM with EPC might be effective for bone vascularization and regeneration. Using EPC in augmentation sites might overall lead to faster and better bone regeneration and should be further investigated in future studies. CI - Copyright (c) 2018 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved. FAU - Beger, Benjamin AU - Beger B AD - Department of Oral- and Maxillofacial Surgery, (Head: Univ.-Prof. Dr. Dr. B. Al-Nawas), University Medical Center, Augustusplatz 2, 55131, Mainz, Germany. Electronic address: benjamin.beger@unimedizin-mainz.de. FAU - Blatt, Sebastian AU - Blatt S AD - Department of Oral- and Maxillofacial Surgery, (Head: Univ.-Prof. Dr. Dr. B. Al-Nawas), University Medical Center, Augustusplatz 2, 55131, Mainz, Germany. FAU - Pabst, Andreas Max AU - Pabst AM AD - Department of Oral- and Maxillofacial Surgery, (Head: Prof. Dr. Dr. R. Werkmeister), Federal Armed Forces Hospital, Rubenacherstrasse 170, 56072, Koblenz, Germany. FAU - Hansen, Torsten AU - Hansen T AD - Institute of Pathology, (Head: Prof. Dr. T. Hansen), Clinic Lippe, Rontgenstrasse 18, 32756, Detmold, Germany. FAU - Goetz, Hermann AU - Goetz H AD - Biomaterials in Medicine (BioAPP), (Head: Univ.-Prof. Dr. Dr. B. Al-Nawas), University Medical Center Mainz, Augustusplatz 2, 55131, Mainz, Germany. FAU - Al-Nawas, Bilal AU - Al-Nawas B AD - Department of Oral- and Maxillofacial Surgery, (Head: Univ.-Prof. Dr. Dr. B. Al-Nawas), University Medical Center, Augustusplatz 2, 55131, Mainz, Germany. FAU - Ziebart, Thomas AU - Ziebart T AD - Department of Oral- and Maxillofacial Surgery, (Head: Univ.-Prof. Dr. Dr. A. Neff), University Hospital Marburg, Baldingerstrasse, 35043, Marburg, Germany. LA - eng PT - Journal Article DEP - 20180608 PL - Scotland TA - J Craniomaxillofac Surg JT - Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery JID - 8704309 RN - 0 (Biocompatible Materials) RN - 0 (Bone Substitutes) RN - 0 (BoneCeramic) RN - 0 (Hydroxyapatites) SB - IM MH - Animals MH - Humans MH - Rats MH - Biocompatible Materials/pharmacology MH - *Bone Regeneration/physiology MH - *Bone Substitutes/pharmacology MH - Cone-Beam Computed Tomography MH - Disease Models, Animal MH - *Hydroxyapatites/pharmacology MH - *Neovascularization, Physiologic/physiology MH - Random Allocation MH - Rats, Nude MH - *Skull/diagnostic imaging/surgery MH - *Stem Cells/physiology MH - X-Ray Microtomography OTO - NOTNLM OT - Angiogenesis OT - Bone regeneration OT - Bone substitute OT - EPC OT - Micro-CT OT - Vascularization EDAT- 2018/09/11 06:00 MHDA- 2019/02/07 06:00 CRDT- 2018/09/11 06:00 PHST- 2017/12/25 00:00 [received] PHST- 2018/05/23 00:00 [revised] PHST- 2018/06/01 00:00 [accepted] PHST- 2018/09/11 06:00 [entrez] PHST- 2018/09/11 06:00 [pubmed] PHST- 2019/02/07 06:00 [medline] AID - S1010-5182(18)30387-1 [pii] AID - 10.1016/j.jcms.2018.06.002 [doi] PST - ppublish SO - J Craniomaxillofac Surg. 2018 Sep;46(9):1601-1608. doi: 10.1016/j.jcms.2018.06.002. Epub 2018 Jun 8.