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Jin P, Liu L, Cheng L, Chen X, Xi S, Jiang T. Calcium-to-phosphorus releasing ratio affects osteoinductivity and osteoconductivity of calcium phosphate bioceramics in bone tissue engineering. Biomed Eng Online 2023; 22:12. [PMID: 36759894 PMCID: PMC9912630 DOI: 10.1186/s12938-023-01067-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/16/2023] [Indexed: 02/11/2023] Open
Abstract
Calcium phosphate (Ca-P) bioceramics, including hydroxyapatite (HA), biphasic calcium phosphate (BCP), and beta-tricalcium phosphate (β-TCP), have been widely used in bone reconstruction. Many studies have focused on the osteoconductivity or osteoinductivity of Ca-P bioceramics, but the association between osteoconductivity and osteoinductivity is not well understood. In our study, the osteoconductivity of HA, BCP, and β-TCP was investigated based on the osteoblastic differentiation in vitro and in situ as well as calvarial defect repair in vivo, and osteoinductivity was evaluated by using pluripotent mesenchymal stem cells (MSCs) in vitro and heterotopic ossification in muscles in vivo. Our results showed that the cell viability, alkaline phosphatase activity, and expression of osteogenesis-related genes, including osteocalcin (Ocn), bone sialoprotein (Bsp), alpha-1 type I collagen (Col1a1), and runt-related transcription factor 2 (Runx2), of osteoblasts each ranked as BCP > β-TCP > HA, but the alkaline phosphatase activity and expression of osteogenic differentiation genes of MSCs each ranked as β-TCP > BCP > HA. Calvarial defect implantation of Ca-P bioceramics ranked as BCP > β-TCP ≥ HA, but intramuscular implantation ranked as β-TCP ≥ BCP > HA in vivo. Further investigation indicated that osteoconductivity and osteoinductivity are affected by the Ca/P ratio surrounding the Ca-P bioceramics. Thus, manipulating the appropriate calcium-to-phosphorus releasing ratio is a critical factor for determining the osteoinductivity of Ca-P bioceramics in bone tissue engineering.
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Affiliation(s)
- Pan Jin
- grid.410654.20000 0000 8880 6009Health Science Center, Yangtze University, Jingzhou, 434023 Hubei China ,Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-Constructed By the Province and MinistryGuangxi Medical University, Nanning, 530021 Guangxi China
| | - Lei Liu
- grid.452877.b0000 0004 6005 8466Articular Surgery, The Second Nanning People’s Hospital, Third Affiliated Hospital of Guangxi Medical University), Nanning, 530031 Guangxi China
| | - Lin Cheng
- grid.410654.20000 0000 8880 6009Health Science Center, Yangtze University, Jingzhou, 434023 Hubei China
| | - Xichi Chen
- grid.410654.20000 0000 8880 6009Health Science Center, Yangtze University, Jingzhou, 434023 Hubei China
| | - Shanshan Xi
- Health Science Center, Yangtze University, Jingzhou, 434023, Hubei, China.
| | - Tongmeng Jiang
- Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, 571199, China. .,Key Laboratory of Emergency and Trauma, Ministry of Education, Engineering Research Center for Hainan Bio-Smart Materials and Bio-Medical Devices, Key Laboratory of Hainan Functional Materials and Molecular Imaging, College of Emergency and Trauma, Hainan Medical University, Haikou, 571199, China.
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Gadzhiev NY, Kuznetsova VS, Vasilyev AV, Kulakov AA, Losev FF. [Models of bone defects in rabbits used to evaluate the bone graft materials efficacy]. STOMATOLOGIIA 2023; 102:55-60. [PMID: 38096396 DOI: 10.17116/stomat202310206255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
The review deals with the main types of experimental models of bone defects of the skull in rabbits. The information about the types of critical defects, methods of their modeling and the possibilities of application of the described models in the studies of bone graft materials in dentistry and maxillofacial surgery is systematized.
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Affiliation(s)
- N Yu Gadzhiev
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - V S Kuznetsova
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
- Research Centre for Medical Genetics, Moscow, Russia
| | - A V Vasilyev
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
- Research Centre for Medical Genetics, Moscow, Russia
- I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
| | - A A Kulakov
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - F F Losev
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
- I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Moscow, Russia
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Imanishi Y, Hata M, Matsukawa R, Aoyagi A, Omi M, Mizutani M, Naruse K, Ozawa S, Honda M, Matsubara T, Takebe J. Efficacy of extracellular vesicles from dental pulp stem cells for bone regeneration in rat calvarial bone defects. Inflamm Regen 2021; 41:12. [PMID: 33853679 PMCID: PMC8048358 DOI: 10.1186/s41232-021-00163-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/30/2021] [Indexed: 12/27/2022] Open
Abstract
Background Extracellular vesicles (EVs) are known to be secreted by various cells. In particular, mesenchymal stem cell (MSC)-derived EVs (MSC-EVs) have tissue repair capacity and anti-inflammatory properties. Dental pulp stem cells (DPSCs), which are MSCs isolated from pulp tissue, are less invasive to the body than other MSCs and can be collected from young individuals. In this study, we investigated the efficacy of EVs secreted by DPSCs (DPSC-EVs) for bone formation. Methods DPSC-EVs were isolated from the cell culture medium of DPSCs. DPSC-EVs were unilaterally injected along with collagen (COL), beta-tricalcium phosphate (β-TCP) or hydroxyapatite (HA) into rat calvarial bone defects. The effects of DPSC-EVs were analyzed by micro-computed tomography (micro-CT) and histological observation. Results Micro-CT showed that administration of DPSC-EVs with the abovementioned scaffolds resulted in bone formation in the periphery of the defects. DPSC-EVs/COL specifically resulted in bone formation in the center of the defects. Histological observation revealed that DPSC-EVs/COL promoted new bone formation. Administration of DPSC-EVs/COL had almost the same effect on the bone defect site as transplantation of DPSCs/COL. Conclusions These results suggest that DPSC-EVs may be effective tools for bone tissue regeneration.
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Affiliation(s)
- Yuka Imanishi
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
| | - Masaki Hata
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan.
| | - Ryohei Matsukawa
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
| | - Atsushi Aoyagi
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
| | - Maiko Omi
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
| | - Makoto Mizutani
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Keiko Naruse
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Shogo Ozawa
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
| | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Tatsuaki Matsubara
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
| | - Jun Takebe
- Department of Removable Prosthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, 464-8651, Japan
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In Situ Endoscopic Analysis of Vascular Supply and Regenerated Alveolar Bone in β-TCP Grafted and Ungrafted Postextraction Sites before Implant Placement: A Prospective Case Control Study. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2797210. [PMID: 31781606 PMCID: PMC6875396 DOI: 10.1155/2019/2797210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 08/16/2019] [Indexed: 11/17/2022]
Abstract
Background Endoscopy has seen a significant development over recent years in various medical fields with its application expanding from the support of minimal invasive surgery to in situ imaging. In this context, the application of endoscopic techniques to assess the quality of the regenerated bone in situ in the drill hole before implant placement is an appealing approach. Aim The aim of this study was to use short distance support immersion endoscopy (SD-SIE) to compare the quality of regenerated bone in healed postextraction sites, which are grafted with an in situ hardening β-TCP, against ungrafted sites, before implant placement. This assessment was based on microscopic bone analysis in combination with the blood vessel count. Method 13 spontaneously healed and 13 grafted postextraction sites in 3 men and 6 women, aged 26–83 years, were evaluated using SD-SIE after 4–6 months. SD-SIE was applied in drill holes before implant placement, and videos were taken from representative central buccal areas. The video recordings were analyzed using Image J software for (1) number of blood vessels per area (NBV), (2) relative area of vessels (VA), (3) relative area of mineralized bone (MBA), (4) relative area of unmineralized bone (UMBA), and (5) relative area of bone substitute (BSA). Results The grafted sites showed more (1) NBV as well as (2) VA (8.6 ± 1.1; 2.03 ± 0.28%) than the ungrafted sites (2.5 ± 0.6; 1.18 ± 0.36%) (independent t-test; p < 0.05); (3) MBA and (4) UMBA were similar to those in the grafted sites (86.3 ± 2.2 %; 13.7 ± 2.2 %) and to the ungrafted sites (89.5 ± 3.7%; 10.5 ± 3.6%) (independent t-test; p > 0.05); and (5) BSA in the grafted sites was 18.2 ± 5.4%. Conclusion SD-SIE is an interesting new approach for in situ assessment of bone quality and blood supply before implant placement. The regenerated bone in β-TCP grafted extraction sockets showed an increased vascularization compared to ungrafted sites providing a vital support for subsequent implant placement.
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Histologic analyses of flapless ridge preservation in sockets with buccal dehiscence defects using two alloplastic bone graft substitutes. Clin Oral Investig 2019; 23:3589-3599. [DOI: 10.1007/s00784-018-2784-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 12/18/2018] [Indexed: 10/27/2022]
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Canullo L, Genova T, Naenni N, Nakajima Y, Masuda K, Mussano F. Plasma of argon enhances the adhesion of murine osteoblasts on different graft materials. Ann Anat 2018; 218:265-270. [DOI: 10.1016/j.aanat.2018.03.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/09/2018] [Accepted: 03/12/2018] [Indexed: 11/26/2022]
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Wildburger A, Bubalo V, Magyar M, Nagursky H, Jakse N, Schmelzeisen R, Sauerbier S. Sinus Floor Augmentation Comparing an In Situ Hardening Biphasic Calcium Phosphate (Hydroxyapatite/β-Tricalcium Phosphate) Bone Graft Substitute with a Particulate Biphasic Calcium Phosphate (Hydroxyapatite/β-Tricalcium Phosphate) Bone Graft Substitute: An Experimental Study in Sheep. Tissue Eng Part C Methods 2018; 23:404-411. [PMID: 28605989 DOI: 10.1089/ten.tec.2016.0549] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE The aim of the present split-mouth study in sheep was to assess the influence of in situ hardening properties of a biphasic calcium phosphate (BCP) bone graft substitute (BGS) (ratio hydroxyapatite/β-tricalcium phosphate = 60/40) compared with a particulate BGS with the same biphasic core-granule composition without in situ hardening properties on sinus floor augmentation. MATERIALS AND METHODS Therefore, bilateral sinus floor augmentation was performed in eight sheep. Poly(lactide-co-glycolide) (PLGA)-coated, in situ hardening biphasic BGS (PLGA-NMP [N-Methyl-2-pyrrolidone]-BCP) was placed at the test site, and a particulate biphasic BGS without PLGA coating (BCP) was used for the contralateral site as a control. Animals were sacrificed after 21 weeks. Sinus augmentation sites were analyzed histologically. The volume was analyzed by computed tomography. Histomorphometric parameters were assessed for the 12 and 21 weeks' time points. Slopes of new bone formation over time were compared with a linear growth regression model. RESULTS Bone formation after 12 and 21 weeks of healing was 8.94% (±3.74) and 19.82% (±6.29) for PLGA-NMP-BCP and 7.00% (±2.58) and 14.38% (±4.51) for BCP, respectively. The bone growth rate for PLGA-NMP-BCP was higher than the growth rate for BCP (probability 97.5%). The total fraction of calcified hard tissue (% bone fraction + % biomaterial) was around 46% for both tested biomaterials, 21 weeks after sinus floor augmentation. CONCLUSION The in situ hardening BGS (PLGA-NMP-BCP) performed better than the particulate material (BCP) in terms of bone formation rate. The in situ hardening properties of the PLGA-NMP-BCP material mediated by the PLGA coating and NMP solution as plasticizer had no negative influence on the bone formation.
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Affiliation(s)
- Angelika Wildburger
- 1 Department of Oral Surgery and Orthodontics, School of Dentistry, Medical University of Graz , Graz, Austria
| | - Vladimir Bubalo
- 2 Division of Biomedical Research, Medical University of Graz , Graz, Austria
| | - Marton Magyar
- 3 Department of Radiology, Medical University Graz , Graz, Austria
| | - Heiner Nagursky
- 4 Hard Tissue Research Laboratory, Department of Oral and Maxillofacial Surgery, University Hospital of Freiburg , Freiburg, Germany
| | - Norbert Jakse
- 1 Department of Oral Surgery and Orthodontics, School of Dentistry, Medical University of Graz , Graz, Austria
| | - Rainer Schmelzeisen
- 5 Department of Oral and Maxillofacial Surgery, University Hospital of Freiburg , Freiburg, Germany
| | - Sebastian Sauerbier
- 6 Department of Oral and Maxillofacial Surgery, University Hospital of Tübingen , Tübingen, Germany .,7 Private Practitioner and Consultant for Oral and Maxillofacial Surgery, at Municipal Hospital Fulda , Fulda, Germany
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