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Gomes RAMP, Santos AL, Catarino L. Using portable X-ray fluorescence elemental analysis to explore porous skeletal lesions: Interplay of sex, age at death, and cause of death. AMERICAN JOURNAL OF BIOLOGICAL ANTHROPOLOGY 2024; 184:e24954. [PMID: 38747122 DOI: 10.1002/ajpa.24954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 04/04/2024] [Accepted: 04/29/2024] [Indexed: 07/10/2024]
Abstract
OBJECTIVES Search for possible associations between bone elemental concentration and the presence of porous skeletal lesions (PSLs), considering the sex, age, and cause of death (COD) of the individuals. MATERIALS AND METHODS The sample comprised 107 non-adult individuals (56 females, 51 males) aged 0-20 (x̄ = 13.2, SD = 5.8) from the Coimbra and Lisbon Identified Skeletal Collections. Cribra cranii, orbitalia, humeralis, and femoralis were recorded as present/absent, and elemental concentrations were assessed by portable x-ray fluorescence (pXRF). A multivariate statistical approach was applied. RESULTS Well-preserved skeletons with minimal diagenesis showed no sex-related elemental variations or PSL associations. In contrast, age-at-death correlated with elevated Ca, P, Sr, and Pb levels. Cribra cranii increased with age while other cribra declined post-adolescence. Higher concentrations of Fe and lower of S were linked to cribra cranii. Respiratory infections as COD increased the odds of expressing cribra femoralis (OR = 5.25, CI = 1.25-15.14), cribra cranii (OR = 2.91, CI = 0.97-8.69), and cribra orbitalia (OR = 2.76, CI = 1.06-7.24). DISCUSSION Feasible pXRF results and low cribra intraobserver error assure replicability. Elevated Ca, P, and Sr in older individuals may relate to skeletal growth, while increased Pb suggests bioaccumulation. Cribra's increase with age reflects different rates of marrow conversion and bone remodeling. Higher Fe and lower S in individuals with cribra cranii possibly reflects poor nutrition, early alcohol use, and sideroblastic anemia, aligning with 19th-20th-century Portugal's living conditions. Respiratory infections increased cribra expression, revealing intricate interplays among inflammation, anemia(s), marrow expansion, and diet. This research highlights a complex scenario and blazes a new path for cribra interpretation.
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Affiliation(s)
- Ricardo A M P Gomes
- Department of Life Sciences, Research Centre for Anthropology and Health (CIAS), University of Coimbra, Coimbra, Portugal
- Carrera de Antropología, University of Concepción, Barrio Universitário S/N, Concepción, Chile
| | - Ana Luisa Santos
- Department of Life Sciences, Research Centre for Anthropology and Health (CIAS), University of Coimbra, Coimbra, Portugal
| | - Lidia Catarino
- Department of Earth Sciences, Geosciences Center (CGeo), University of Coimbra, Coimbra, Portugal
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Senos R, Chen MTY, Panse I, Stella JJ, Hankenson KD. An Intact Periosteum is Required for Recombinant Human Jagged1 Guided Bone Regeneration in Calvaria Critical-size Defect Healing. J Craniofac Surg 2024:00001665-990000000-01710. [PMID: 38864638 DOI: 10.1097/scs.0000000000010333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 04/23/2024] [Indexed: 06/13/2024] Open
Abstract
The need to promote calvaria bone healing as a consequence of injury or craniotomy is a major clinical issue. Previous reports tested recombinant human Jagged1 (rhJagged1) treatment for critical-size calvaria defects in the absence of periosteum, and this resulted in significant new bone formation. As the periosteum contributes to healing by serving as a source of progenitor cells, the present study aimed to examine whether significantly more bone is formed when the periosteum is intact for using rhJagged1 to treat critical-size parietal bone defects in mice. Fifteen healthy adult mice, 34 to 65 weeks of age, 26.9 to 48.2 g, were divided into different groups that compared the critical-size defects treated with either phosphate-buffered saline or rhJagged1 protein in either the presence or absence of periosteum. The results indicated that more bone was formed in the presence of periosteum when rhJagged1 is delivered [35% bone volume per tissue volume (BV/TV); P = 0.02] relative to nonperiosteum. Recombinant human Jagged1 protein delivered in the absence of periosteum had the next most new bone formed (25% BV/TV). Defects with phosphate-buffered saline delivered in the absence or presence of periosteum had the least new bone formed (15% and 18% BV/TV, respectively; P = 0.48). The results also show that rhJagged1 does not form ectopic or hypertrophic bone. The usage of rhJagged1 to treat critical-size defects in calvaria is promising clinically, but to maximize clinical efficacy it will require that the periosteum be intact on the noninjured portions of calvaria.
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Affiliation(s)
- Rafael Senos
- Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
| | | | - Isabella Panse
- Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI
| | | | - Kurt D Hankenson
- Department of Orthopedic Surgery, University of Michigan, Ann Arbor, MI
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He L. Biomaterials for Regenerative Cranioplasty: Current State of Clinical Application and Future Challenges. J Funct Biomater 2024; 15:84. [PMID: 38667541 PMCID: PMC11050949 DOI: 10.3390/jfb15040084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Acquired cranial defects are a prevalent condition in neurosurgery and call for cranioplasty, where the missing or defective cranium is replaced by an implant. Nevertheless, the biomaterials in current clinical applications are hardly exempt from long-term safety and comfort concerns. An appealing solution is regenerative cranioplasty, where biomaterials with/without cells and bioactive molecules are applied to induce the regeneration of the cranium and ultimately repair the cranial defects. This review examines the current state of research, development, and translational application of regenerative cranioplasty biomaterials and discusses the efforts required in future research. The first section briefly introduced the regenerative capacity of the cranium, including the spontaneous bone regeneration bioactivities and the presence of pluripotent skeletal stem cells in the cranial suture. Then, three major types of biomaterials for regenerative cranioplasty, namely the calcium phosphate/titanium (CaP/Ti) composites, mineralised collagen, and 3D-printed polycaprolactone (PCL) composites, are reviewed for their composition, material properties, and findings from clinical trials. The third part discusses perspectives on future research and development of regenerative cranioplasty biomaterials, with a considerable portion based on issues identified in clinical trials. This review aims to facilitate the development of biomaterials that ultimately contribute to a safer and more effective healing of cranial defects.
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Affiliation(s)
- Lizhe He
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
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Guo W, Lu B, Liu F, Jin D, Wu S, Zhou S, Li Z, Lv Y, Zhao Z, Zhang J, Li Y. Comprehensive repair of the alveolar cleft using cortical and cancellous bone layers: A retrospective study. J Craniomaxillofac Surg 2024; 52:310-315. [PMID: 38212164 DOI: 10.1016/j.jcms.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 10/11/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
To retrospectively review the clinical effect of comprehensive treatment of alveolar cleft (CTAC) using the mandible as the bone source. Patients with alveolar clefts who met the inclusion criteria were subjected to a CTAC protocol that included the following: (1) preoperative orthodontic treatment for creating good soft-tissue conditions; (2) 'area-like grafting' with subperiosteal osteogenic chin bone instead of cartilaginous osteogenic iliac bone; (3) simulation of normal bone anatomy via a sandwich-like bone graft consisting of 'cortical bone + cancellous bone + cortical bone'; and (4) strong internal fixation to ensure initial bone block stability. At 6 months postoperatively, the titanium plate was removed and cone-beam computed tomography was performed to evaluate the surgical results. A total of 54 patients underwent treatment with the CTAC protocol. The average age at the initial operation was 10.3 ± 2.1 years, and the average hospital stay was 2.8 ± 0.6 days. At 6 months postoperatively, 49 patients (90.7%) showed good clinical results. The transplanted bone block formed a 'cortical bone + cancellous bone + cortical bone' structure similar to that of the normal jawbone. A mature bone bridge formed, and the impacted permanent teeth continued to erupt and enter the bone graft area. CTAC is a comprehensive restorative solution for alveolar cleft repair that integrates multiple concepts, including orthodontics, embryology, anatomy, and improvements to surgical methods. The method is easy to perform, causes little surgical trauma, and shows a stable success rate, and is thus worth promoting.
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Affiliation(s)
- Weiwei Guo
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Bin Lu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Fuwei Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Dan Jin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Simo Wu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Shanluo Zhou
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Zhiye Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Yaoguang Lv
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Zhihe Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Junrui Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China.
| | - Yunpeng Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China.
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Tavakoli M, Salehi H, Emadi R, Varshosaz J, Labbaf S, Seifalian AM, Sharifianjazi F, Mirhaj M. 3D printed polylactic acid-based nanocomposite scaffold stuffed with microporous simvastatin-loaded polyelectrolyte for craniofacial reconstruction. Int J Biol Macromol 2024; 258:128917. [PMID: 38134992 DOI: 10.1016/j.ijbiomac.2023.128917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/22/2023] [Accepted: 12/18/2023] [Indexed: 12/24/2023]
Abstract
Critical sized craniofacial defects are among the most challenging bone defects to repair, due to the anatomical complexity and aesthetic importance. In this study, a polylactic acid/hardystonite-graphene oxide (PLA/HTGO) scaffold was fabricated through 3D printing. In order to upgrade the 3D printed scaffold to a highly porous scaffold, its channels were filled with pectin-quaternized chitosan (Pec-QCs) polyelectrolyte solution containing 0 or 20 mg/mL of simvastatin (Sim) and then freeze-dried. These scaffolds were named FD and FD-Sim, respectively. Also, similar PLA/HTGO scaffolds were prepared and dip coated with Pec-QCs solution containing 0 or 20 mg/mL of Sim and were named DC and DC-Sim, respectively. The formation of macro/microporous structure was confirmed by morphological investigations. The release of Sim from DC-Sim and FD-Sim scaffolds after 28 days was measured as 77.40 ± 5.25 and 86.02 ± 3.63 %, respectively. Cytocompatibility assessments showed that MG-63 cells had the highest proliferation, attachment and spread on the Sim containing scaffolds, especially FD-Sim. In vivo studies on a rat calvarial defect model revealed that an almost complete recovery occurred in the group treated with FD-Sim scaffold after 8 weeks and the defect was filled with newly formed bone. The results of this study acknowledge that the FD-Sim scaffold can be a perfect candidate for calvarial defect repair.
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Affiliation(s)
- Mohamadreza Tavakoli
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Hossein Salehi
- Department of Anatomical Sciences and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Rahmatollah Emadi
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Jaleh Varshosaz
- Department of Pharmaceutics, Novel Drug Delivery Systems Research Centre, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Sheyda Labbaf
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Alexander Marcus Seifalian
- Nanotechnology & Regenerative Medicine Commercialization Centre (NanoRegMed Ltd, Nanoloom Ltd, Liberum Health Ltd), London BioScience Innovation Centre, London, United Kingdom
| | - Fariborz Sharifianjazi
- Department of Natural Sciences, School of Science and Technology, University of Georgia, Tbilisi, Georgia.
| | - Marjan Mirhaj
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
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Han Z, Xiong J, Jin X, Dai Q, Han M, Wu H, Yang J, Tang H, He L. Advances in reparative materials for infectious bone defects and their applications in maxillofacial regions. J Mater Chem B 2024; 12:842-871. [PMID: 38173410 DOI: 10.1039/d3tb02069j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Infectious bone defects are characterized by the partial loss or destruction of bone tissue resulting from bacterial contaminations subsequent to diseases or external injuries. Traditional bone transplantation and clinical methods are insufficient in meeting the treatment demands for such diseases. As a result, researchers have increasingly focused on the development of more sophisticated biomaterials for improved therapeutic outcomes in recent years. This review endeavors to investigate specific reparative materials utilized for the treatment of infectious bone defects, particularly those present in the maxillofacial region, with a focus on biomaterials capable of releasing therapeutic substances, functional contact biomaterials, and novel physical therapy materials. These biomaterials operate via heightened antibacterial or osteogenic properties in order to eliminate bacteria and/or stimulate bone cells regeneration in the defect, ultimately fostering the reconstitution of maxillofacial bone tissue. Based upon some successful applications of new concept materials in bone repair of other parts, we also explore their future prospects and potential uses in maxillofacial bone repair later in this review. We highlight that the exploration of advanced biomaterials holds promise in establishing a solid foundation for the development of more biocompatible, effective, and personalized treatments for reconstructing infectious maxillofacial defects.
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Affiliation(s)
- Ziyi Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Jingdi Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Xiaohan Jin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Qinyue Dai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Mingyue Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Hongkun Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Jiaojiao Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Haiqin Tang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Libang He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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Isaac J, Clerc MM, Ferré FC, Fournier BPJ. [Oral mesenchymal cells, a specific niche, from development to regeneration]. Med Sci (Paris) 2024; 40:24-29. [PMID: 38299899 DOI: 10.1051/medsci/2023191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024] Open
Abstract
Oral buccal tissues, including bone and mucosa, have unique properties. Oral mucosal fibroblasts and jaw osteoblasts, both derived from Cranial Neural Crest cells, play a key role in healing and repair. These cells express a specific repertoire of genes with their regenerative properties, but also craniofacial diseases. Understanding these tissues holds clinical promise for tissue regeneration and repair of bone and mucosal defects. These multidisciplinary advances also offer potential for better management of periodontal-related conditions and improved oral health.
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Affiliation(s)
- Juliane Isaac
- Centre de recherche des Cordeliers, UMRS 1138, Molecular Oral Pathophysiology Lab, université Paris Cité, Inserm, Sorbonne université, Paris, France - Université Paris Cité, UFR odontologie, département de biologie orale, Paris, France
| | - Mélodie M Clerc
- Centre de recherche des Cordeliers, UMRS 1138, Molecular Oral Pathophysiology Lab, université Paris Cité, Inserm, Sorbonne université, Paris, France - Reference center for oral and dental rare diseases, ORARES, Odontology department, hôpital Rothschild, APHP, Paris, France
| | - François C Ferré
- Centre de recherche des Cordeliers, UMRS 1138, Molecular Oral Pathophysiology Lab, université Paris Cité, Inserm, Sorbonne université, Paris, France - Université Paris Cité, UFR odontologie, département de chirurgie orale, Paris, France - Service de chirurgie orale, hôpital Charles Foix, AP-HP, Ivry-Sur‑Seine, France
| | - Benjamin P J Fournier
- Centre de recherche des Cordeliers, UMRS 1138, Molecular Oral Pathophysiology Lab, université Paris Cité, Inserm, Sorbonne université, Paris, France - Université Paris Cité, UFR odontologie, département de biologie orale, Paris, France - Reference center for oral and dental rare diseases, ORARES, Odontology department, hôpital Rothschild, APHP, Paris, France
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Moura NB, Ferreira CL, Lima VCS, Nunes CMM, de Marco AC, Costa ALF, Lopes SLPC, Jardini MAN. Effect of the pulsed electromagnetic field in the repair of a calvaria critical bone defect in rats: cone beam computed tomographic and histomorphometric analysis.: PEMF in the repair of a calvaria critical bone defect: CBCT analyses. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2023; 124:101483. [PMID: 37100171 DOI: 10.1016/j.jormas.2023.101483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 04/28/2023]
Abstract
INTRODUCTION The present study evaluated the effect of two protocols of Pulsed Electromagnetic Field (PEMF) therapy on bone neoformation on calvaria critical defects in rats. MATERIAL & METHODS 96 rats were randomly divided into 3 groups: Control Group (CG; n=32); Test Group - PEMF 1 hour (TG1h; n=32) and Test Group - PEMF 3 hour (TG3h; n=32). A Critical-size Bone Defect (CSD) was surgically created in the calvaria of rats. The animals in the test groups were exposure to PEMF for 5 days a week. The animals were euthanized at 14, 21, 45 and 60 days. The specimens were processed for volume and texture (TAn) analysis, by Cone Beam Computed Tomography (CBCT) and histomorphometric analysis, RESULTS: Histomorphometric and volume analyses revealed that there was no statistically significant difference in the repair of bone defects between groups receiving PEMF therapy and CG. TAn revealed a statistically significant difference between the groups only for the entropy parameter, in which TG1h group presented a higher value compared to CG on 21 days. TG1h and TG3h did not accelerate bone repair in calvarial critical size defect and the parameters of PEMF should be considered. DISCUSSION This study showed that PEMF application on CSD in rats does not accelerate bone repair. Although literature showed a positive association in biostimulation on bone tissue with the parameters applied, studies with other PEMF parameters are essential to verify improving this study design.
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Affiliation(s)
- Nicole Bertonde Moura
- Graduate student of institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (Unesp), São José dos Campos, SP, Brazil
| | - Camila Lopes Ferreira
- Department of Diagnosis and Surgery, Institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (unesp), Sao Jose dos Campos, SP, Brazil
| | - Victória Clarada Silva Lima
- Graduate student of institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (Unesp), São José dos Campos, SP, Brazil
| | - Camilla Magnoni Moretto Nunes
- Department of Diagnosis and Surgery, Institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (unesp), Sao Jose dos Campos, SP, Brazil
| | - Andrea Carvalho de Marco
- Department of Diagnosis and Surgery, Institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (unesp), Sao Jose dos Campos, SP, Brazil
| | - André Luiz Ferreira Costa
- Postgraduate Program in Dentistry, Cruzeiro do Sul University (UNICSUL), Sao Paulo, Sao Paulo, Brazil
| | - Sérgio Lúcio Pereirade Castro Lopes
- Department of Diagnosis and Surgery, Institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (unesp), Sao Jose dos Campos, SP, Brazil
| | - Maria Aparecida Neves Jardini
- Department of Diagnosis and Surgery, Institute of Science and Technology of Sao Jose dos Campos, Universidade Estadual Paulista (unesp), Sao Jose dos Campos, SP, Brazil.
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Liu W, Zhang K, Nan J, Lei P, Sun Y, Hu Y. Nano artificial periosteum PCL/Ta/ZnO accelerates repair of periosteum via antibacterial, promoting vascularization and osteogenesis. BIOMATERIALS ADVANCES 2023; 154:213624. [PMID: 37716333 DOI: 10.1016/j.bioadv.2023.213624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 08/31/2023] [Accepted: 09/09/2023] [Indexed: 09/18/2023]
Abstract
The periosteum plays a critical role in bone development, shaping, remodeling, and fracture healing due to its abundance of osteoprogenitor cells, osteoblasts, and capillary network. However, the role of periosteum in bone injury healing has been underestimated, thus there is an urgent need to develop a multifunctional artificial periosteum that mimics the natural one. To tackle this issue, electrospinning technology was employed to fabricate an artificial periosteum composed of Poly-ε-caprolactone (PCL) doped with tantalum (Ta) and zinc oxide (ZnO) nanoparticles to enhance its antibacterial, osteogenic, and angiogenic properties. The in vitro cell experiments have demonstrated that the PCL/Ta/ZnO artificial periosteum exhibits excellent biocompatibility and can effectively facilitate osteogenic differentiation of BMSCs as well as angiogenic differentiation of EPCs. Antibacterial experiments have demonstrated the excellent bactericidal effects of PCL/Ta/ZnO artificial periosteum against both S. aureus and E. coli. The subcutaneous infection and critical-sized skull bone defect models have validated its in vivo properties of antibacterial activity, promotion of osteogenesis, and angiogenic potential. The PCL/Ta/ZnO artificial periosteum demonstrates remarkable efficacy in infection control and favorable immunomodulation, thereby achieving rapid vascularized bone repair. In conclusion, the utilization of PCL/Ta/ZnO tissue-engineered periosteum has been demonstrated to exhibit antibacterial properties, pro-vascularization effects, and promotion of osteogenesis at the site of bone defects. This promising approach could potentially offer effective treatment for bone defects.
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Affiliation(s)
- Wenbin Liu
- Department of Orthopaedics, The Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha 410008, China
| | - Kai Zhang
- Department of Orthopedic Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Jiangyu Nan
- Department of Orthopedic Surgery, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Pengfei Lei
- Department of Orthopedics, The First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, China.
| | - Yan Sun
- Department of Orthopedics, The First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, China.
| | - Yihe Hu
- Department of Orthopedics, The First Affiliated Hospital, Medical College of Zhejiang University, Hangzhou, China; Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, China.
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Zhang Y, He F, Zhang Q, Lu H, Yan S, Shi X. 3D-Printed Flat-Bone-Mimetic Bioceramic Scaffolds for Cranial Restoration. RESEARCH (WASHINGTON, D.C.) 2023; 6:0255. [PMID: 37899773 PMCID: PMC10603392 DOI: 10.34133/research.0255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/04/2023] [Indexed: 10/31/2023]
Abstract
The limitations of autologous bone grafts necessitate the development of advanced biomimetic biomaterials for efficient cranial defect restoration. The cranial bones are typical flat bones with sandwich structures, consisting of a diploe in the middle region and 2 outer compact tables. In this study, we originally developed 2 types of flat-bone-mimetic β-tricalcium phosphate bioceramic scaffolds (Gyr-Comp and Gyr-Tub) by high-precision vat-photopolymerization-based 3-dimensional printing. Both scaffolds had 2 outer layers and an inner layer with gyroid pores mimicking the diploe structure. The outer layers of Gyr-Comp scaffolds simulated the low porosity of outer tables, while those of Gyr-Tub scaffolds mimicked the tubular pore structure in the tables of flat bones. The Gyr-Comp and Gyr-Tub scaffolds possessed higher compressive strength and noticeably promoted in vitro cell proliferation, osteogenic differentiation, and angiogenic activities compared with conventional scaffolds with cross-hatch structures. After implantation into rabbit cranial defects for 12 weeks, Gyr-Tub achieved the best repairing effects by accelerating the generation of bone tissues and blood vessels. This work provides an advanced strategy to prepare biomimetic biomaterials that fit the structural and functional needs of efficacious bone regeneration.
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Affiliation(s)
- Yihang Zhang
- School of Electromechanical Engineering,
Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Fupo He
- School of Electromechanical Engineering,
Guangdong University of Technology, Guangzhou 510006, P. R. China
| | - Qiang Zhang
- School of Materials Science and Engineering,
South China University of Technology, Guangzhou 510641, P. R. China
| | - Haotian Lu
- Peking Union Medical College Graduate School, Beijing 100730, P. R. China
| | - Shengtao Yan
- Peking Union Medical College Graduate School, Beijing 100730, P. R. China
- Department of Emergency,
China-Japan Friendship Hospital, Beijing 100029, P. R. China
| | - Xuetao Shi
- School of Materials Science and Engineering,
South China University of Technology, Guangzhou 510641, P. R. China
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11
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Banimohamad-Shotorbani B, Karkan SF, Rahbarghazi R, Mehdipour A, Jarolmasjed S, Saghati S, Shafaei H. Application of mesenchymal stem cell sheet for regeneration of craniomaxillofacial bone defects. Stem Cell Res Ther 2023; 14:68. [PMID: 37024981 PMCID: PMC10080954 DOI: 10.1186/s13287-023-03309-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 03/28/2023] [Indexed: 04/08/2023] Open
Abstract
Bone defects are among the most common damages in human medicine. Due to limitations and challenges in the area of bone healing, the research field has turned into a hot topic discipline with direct clinical outcomes. Among several available modalities, scaffold-free cell sheet technology has opened novel avenues to yield efficient osteogenesis. It is suggested that the intact matrix secreted from cells can provide a unique microenvironment for the acceleration of osteoangiogenesis. To the best of our knowledge, cell sheet technology (CST) has been investigated in terms of several skeletal defects with promising outcomes. Here, we highlighted some recent advances associated with the application of CST for the recovery of craniomaxillofacial (CMF) in various preclinical settings. The regenerative properties of both single-layer and multilayer CST were assessed regarding fabrication methods and applications. It has been indicated that different forms of cell sheets are available for CMF engineering like those used for other hard tissues. By tackling current challenges, CST is touted as an effective and alternative therapeutic option for CMF bone regeneration.
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Affiliation(s)
- Behnaz Banimohamad-Shotorbani
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sonia Fathi Karkan
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ahmad Mehdipour
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyedhosein Jarolmasjed
- Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Sepideh Saghati
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajar Shafaei
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Anatomical Sciences, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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12
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Kieu Nguyen NT, Tu Y, Lee HS, Truong VA, Chang YH, Pham NN, Chang CW, Lin YH, Lai PL, Chen PH, Parfyonova YV, Menshikov M, Chang YH, Hu YC. Split dCas12a activator for lncRNA H19 activation to enhance BMSC differentiation and promote calvarial bone healing. Biomaterials 2023; 297:122106. [PMID: 37030110 DOI: 10.1016/j.biomaterials.2023.122106] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 03/05/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Healing of large calvarial bone defects in adults is challenging. We previously showed that inducing chondrogenic differentiation of mesenchymal stem cells from bone marrow (BMSC) or adipose tissue (ASC) before implantation can switch the repair pathway and improve calvarial bone healing. Split dCas12a activator is a new CRISPR activation system comprising the amino (N) and carboxyl (C) fragments of dCas12a protein, each being fused with synthetic transcription activators at both termini. The split dCas12a activator was shown to induce programmable gene expression in cell lines. Here we exploited the split dCas12a activator to activate the expression of chondroinductive long non-coding RNA H19. We showed that co-expression of the split N- and C-fragments resulted in spontaneous dimerization, which elicited stronger activation of H19 than full-length dCas12a activator in rat BMSC and ASC. We further packaged the entire split dCas12a activator system (13.2 kb) into a hybrid baculovirus vector, which enhanced and prolonged H19 activation for at least 14 days in BMSC and ASC. The extended H19 activation elicited potent chondrogenic differentiation and inhibited adipogenesis. Consequently, the engineered BMSC promoted in vitro cartilage formation and augmented calvarial bone healing in rats. These data implicated the potentials of the split dCas12a activator for stem cell engineering and regenerative medicine.
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Affiliation(s)
- Nuong Thi Kieu Nguyen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yi Tu
- Department of Life Science, National Taiwan University, Taipei, Taiwan
| | - Hsiang-Sheng Lee
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Vu Anh Truong
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yi-Hao Chang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Nam Ngoc Pham
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Chin-Wei Chang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Ya-Hui Lin
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Po-Liang Lai
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Linkou, 333, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Pin-Hsin Chen
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Yelena V Parfyonova
- National Medical Research Center of Cardiology, Russian Ministry of Health, Russia; Faculty of Medicine, Lomonosov Moscow State University, Russia
| | - Mikhail Menshikov
- Institute of Experimental Cardiology, National Cardiology Research Center, Russia
| | - Yu-Han Chang
- Department of Orthopaedic Surgery, Chang Gung Memorial Hospital, Linkou, 333, Taiwan; Bone and Joint Research Center, Chang Gung Memorial Hospital, Linkou 333, Taiwan.
| | - Yu-Chen Hu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu, 30013, Taiwan; Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, Taiwan.
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13
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Solidum JGN, Jeong Y, Heralde F, Park D. Differential regulation of skeletal stem/progenitor cells in distinct skeletal compartments. Front Physiol 2023; 14:1137063. [PMID: 36926193 PMCID: PMC10013690 DOI: 10.3389/fphys.2023.1137063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/16/2023] [Indexed: 03/06/2023] Open
Abstract
Skeletal stem/progenitor cells (SSPCs), characterized by self-renewal and multipotency, are essential for skeletal development, bone remodeling, and bone repair. These cells have traditionally been known to reside within the bone marrow, but recent studies have identified the presence of distinct SSPC populations in other skeletal compartments such as the growth plate, periosteum, and calvarial sutures. Differences in the cellular and matrix environment of distinct SSPC populations are believed to regulate their stemness and to direct their roles at different stages of development, homeostasis, and regeneration; differences in embryonic origin and adjacent tissue structures also affect SSPC regulation. As these SSPC niches are dynamic and highly specialized, changes under stress conditions and with aging can alter the cellular composition and molecular mechanisms in place, contributing to the dysregulation of local SSPCs and their activity in bone regeneration. Therefore, a better understanding of the different regulatory mechanisms for the distinct SSPCs in each skeletal compartment, and in different conditions, could provide answers to the existing knowledge gap and the impetus for realizing their potential in this biological and medical space. Here, we summarize the current scientific advances made in the study of the differential regulation pathways for distinct SSPCs in different bone compartments. We also discuss the physical, biological, and molecular factors that affect each skeletal compartment niche. Lastly, we look into how aging influences the regenerative capacity of SSPCs. Understanding these regulatory differences can open new avenues for the discovery of novel treatment approaches for calvarial or long bone repair.
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Affiliation(s)
- Jea Giezl Niedo Solidum
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, Manila, Philippines
- Department of Molecular and Human Genetics, Houston, TX, United States
| | - Youngjae Jeong
- Department of Molecular and Human Genetics, Houston, TX, United States
| | - Francisco Heralde
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Dongsu Park
- Department of Molecular and Human Genetics, Houston, TX, United States
- Center for Skeletal Biology, Baylor College of Medicine, Houston, TX, United States
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14
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Bowles-Welch AC, Jimenez AC, Stevens HY, Frey Rubio DA, Kippner LE, Yeago C, Roy K. Mesenchymal stromal cells for bone trauma, defects, and disease: Considerations for manufacturing, clinical translation, and effective treatments. Bone Rep 2023. [DOI: 10.1016/j.bonr.2023.101656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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15
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Schlund M, Depeyre A, Kotagudda Ranganath S, Marchandise P, Ferri J, Chai F. Rabbit calvarial and mandibular critical-sized bone defects as an experimental model for the evaluation of craniofacial bone tissue regeneration. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2022; 123:601-609. [PMID: 34902627 DOI: 10.1016/j.jormas.2021.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 11/24/2021] [Accepted: 12/06/2021] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Many studies have aimed to investigate the regeneration potential of bone substitutes through animal models at different defect sites, where the bone healing mechanism varies due to developmental, structural and functional differences. This study aims to develop a rabbit model with two functionally different (non-load-bearing calvarias and load-bearing mandibular) critical-sized defects (CSD) in one rabbit. MATERIAL & METHOD The comparison of the "gold standard" autograft to a sham (no graft) control was undertaken in order to validate this model; at the same time, a 3D-printed biphasic calcium phosphate scaffold was implanted to test its utility in the evaluation of new bone substitute materials. Twenty rabbits were selected with both a 10 mm calvaria defect and a 11 mm bicortical semi-cylindrical mandibular defect. The animals were euthanized at 4 and 12 weeks once surgery, microcomputed tomography and histological analysis had been performed. RESULTS In the case of the calvaria, the results for the non-healing sham group compared with the healing of those that had undergone the autograft validated the CSD model. But the mandibular defect was not validated, due to the particularity of mandible high mechanical stress and infectious risk. DISCUSSION This study showed for the first time that rabbits have a high tolerance for the bilateral double-site CSD model under consideration; and further studies are essential to modify and improve the design of mandibular CSD.
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Affiliation(s)
- Matthias Schlund
- Univ. Lille, INSERM, U1008 - Controlled Drug Delivery Systems and Biomaterials, University Bordeaux, CHU Bordeaux, Oral and Maxillofacial Surgery Department, Lille, France.
| | - Arnaud Depeyre
- Ramsay Générale de Santé, Hôpital Privé de la Loire, Saint Étienne, France
| | | | - Pierre Marchandise
- Univ. Lille, Univ. Littoral Côte d'Opale, CHU Lille, ULR 4490 - MABLab - Adiposité Médullaire et Os, Lille, France
| | - Joël Ferri
- Univ. Lille, INSERM, U1008 - Controlled Drug Delivery Systems and Biomaterials, Univ. Lille, CHU Lille, Oral and Maxillofacial Surgery Department, Lille, France
| | - Feng Chai
- Univ. Lille, INSERM, U1008 - Controlled Drug Delivery Systems and Biomaterials, University Bordeaux, CHU Bordeaux, Oral and Maxillofacial Surgery Department, Lille, France
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16
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Li X, Yang S, Yuan G, Jing D, Qin L, Zhao H, Yang S. Type II collagen-positive progenitors are important stem cells in controlling skeletal development and vascular formation. Bone Res 2022; 10:46. [PMID: 35739091 PMCID: PMC9226163 DOI: 10.1038/s41413-022-00214-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/10/2022] [Indexed: 02/07/2023] Open
Abstract
Type II collagen-positive (Col2+) cells have been reported as skeletal stem cells (SSCs), but the contribution of Col2+ progenitors to skeletal development both prenatally and postnatally during aging remains unclear. To address this question, we generated new mouse models with ablation of Col2+ cells at either the embryonic or postnatal stages. The embryonic ablation of Col2+ progenitors resulted in the death of newborn mice due to a decrease in skeletal blood vessels, loss of all vertebral bones and absence of most other bones except part of the craniofacial bone, the clavicle bone and a small piece of the long bone and ribs, which suggested that intramembranous ossification is involved in long bone development but does not participate in spine development. The postnatal ablation of Col2+ cells resulted in mouse growth retardation and a collagenopathy phenotype. Lineage tracing experiments with embryonic or postnatal mice revealed that Col2+ progenitors occurred predominantly in the growth plate (GP) and articular cartilage, but a limited number of Col2+ cells were detected in the bone marrow. Moreover, the number and differentiation ability of Col2+ progenitors in the long bone and knee joints decreased with increasing age. The fate-mapping study further revealed Col2+ lineage cells contributed to, in addition to osteoblasts and chondrocytes, CD31+ blood vessels in both the calvarial bone and long bone. Specifically, almost all blood vessels in calvarial bone and 25.4% of blood vessels in long bone were Col2+ lineage cells. However, during fracture healing, 95.5% of CD31+ blood vessels in long bone were Col2+ lineage cells. In vitro studies further confirmed that Col2+ progenitors from calvarial bone and GP could form CD31+ vascular lumens. Thus, this study provides the first demonstration that intramembranous ossification is involved in long bone and rib development but not spine development. Col2+ progenitors contribute to CD31+ skeletal blood vessel formation, but the percentage differs between long bone and skull bone. The number and differentiation ability of Col2+ progenitors decreases with increasing age.
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Affiliation(s)
- Xinhua Li
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, 200080, P. R. China
- Department of Spinal Surgery, East Hospital, Tongji University, School of Medicine, Shanghai, 200120, China
| | - Shuting Yang
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Gongsheng Yuan
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Dian Jing
- Department of Restorative Sciences, College of Dentistry, Texas A&M University, Dallas, TX, USA
| | - Ling Qin
- Department of Orthopedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Hu Zhao
- Department of Restorative Sciences, College of Dentistry, Texas A&M University, Dallas, TX, USA
| | - Shuying Yang
- Department of Basic and Translational Sciences, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- The Penn Center for Musculoskeletal Disorders, School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
- Center for Innovation & Precision Dentistry, School of Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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17
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A hierarchical vascularized engineered bone inspired by intramembranous ossification for mandibular regeneration. Int J Oral Sci 2022; 14:31. [PMID: 35732648 PMCID: PMC9217949 DOI: 10.1038/s41368-022-00179-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 11/22/2022] Open
Abstract
Mandibular defects caused by injuries, tumors, and infections are common and can severely affect mandibular function and the patient’s appearance. However, mandible reconstruction with a mandibular bionic structure remains challenging. Inspired by the process of intramembranous ossification in mandibular development, a hierarchical vascularized engineered bone consisting of angiogenesis and osteogenesis modules has been produced. Moreover, the hierarchical vascular network and bone structure generated by these hierarchical vascularized engineered bone modules match the particular anatomical structure of the mandible. The ultra-tough polyion complex has been used as the basic scaffold for hierarchical vascularized engineered bone for ensuring better reconstruction of mandible function. According to the results of in vivo experiments, the bone regenerated using hierarchical vascularized engineered bone is similar to the natural mandibular bone in terms of morphology and genomics. The sonic hedgehog signaling pathway is specifically activated in hierarchical vascularized engineered bone, indicating that the new bone in hierarchical vascularized engineered bone underwent a process of intramembranous ossification identical to that of mandible development. Thus, hierarchical vascularized engineered bone has a high potential for clinical application in mandibular defect reconstruction. Moreover, the concept based on developmental processes and bionic structures provides an effective strategy for tissue regeneration.
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18
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Johanson Z, Liston J, Davesne D, Challands T, Meredith Smith M. Mechanisms of dermal bone repair after predatory attack in the giant stem-group teleost Leedsichthys problematicus Woodward, 1889a (Pachycormiformes). J Anat 2022; 241:393-406. [PMID: 35588137 DOI: 10.1111/joa.13689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/28/2022] Open
Abstract
Leedsichthys problematicus is a suspension-feeding member of the Mesozoic clade Pachycormiformes (stem-group Teleostei), and the largest known ray-finned fish (Actinopterygii). As in some larger fish, the skeleton is poorly ossified, but the caudal fin (tail) is well-preserved. Bony calluses have been found here, on the dermal fin rays, and when sectioned, show evidence of bone repair in response to damage. As part of this repair, distinctive tissue changes are observed, including the deposition of woven bone onto broken bone fragments and the surface of the lepidotrichium, after resorption of the edges of these fragments and the lepidotrichial surface itself. Within the woven bone are many clear elongate spaces, consistent with their interpretation as bundles of unmineralized collagen (Sharpey's fibres). These normally provide attachment within dermal bones, and here attach new bone to old, particularly to resorbed surfaces, identified by scalloped reversal lines. Haversian systems are retained in the old bone, from which vasculature initially invaded the callus, hence bringing stem cells committed to forming bone onto the surfaces of the damaged area. These observations provide strong evidence of a vital response through survival of a predatory attack by a large marine reptile, coeval with Leedsichthys in the Jurassic seas.
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Affiliation(s)
| | - Jeff Liston
- Royal Tyrrell Museum of Paleontology, Drumheller, Canada.,Fachruppe Paläoumwelt, GeoZentrum Nordbayern, Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany.,Palaeobiology Section, Department of Natural Sciences, National Museums Scotland, Edinburgh, UK
| | - Donald Davesne
- Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Berlin, Germany
| | - Tom Challands
- School of Geosciences, University of Edinburgh, Edinburgh, UK
| | - Moya Meredith Smith
- Natural History Museum, London, UK.,Centre for Craniofacial and Regenerative Biology, King's College London, London, UK
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Zhang Y, Shu T, Wang S, Liu Z, Cheng Y, Li A, Pei D. The Osteoinductivity of Calcium Phosphate-Based Biomaterials: A Tight Interaction With Bone Healing. Front Bioeng Biotechnol 2022; 10:911180. [PMID: 35651546 PMCID: PMC9149242 DOI: 10.3389/fbioe.2022.911180] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 04/21/2022] [Indexed: 11/13/2022] Open
Abstract
Calcium phosphate (CaP)-based bioceramics are the most widely used synthetic biomaterials for reconstructing damaged bone. Accompanied by bone healing process, implanted materials are gradually degraded while bone ultimately returns to its original geometry and function. In this progress report, we reviewed the complex and tight relationship between the bone healing response and CaP-based biomaterials, with the emphasis on the in vivo degradation mechanisms of such material and their osteoinductive properties mediated by immune responses, osteoclastogenesis and osteoblasts. A deep understanding of the interaction between biological healing process and biomaterials will optimize the design of CaP-based biomaterials, and further translate into effective strategies for biomaterials customization.
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Affiliation(s)
- Yuchen Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Tianyu Shu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Silin Wang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Zhongbo Liu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Yilong Cheng
- School of Chemistry, Xi’an Jiaotong University, Xi’an, China
| | - Ang Li
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Ang Li, ; Dandan Pei,
| | - Dandan Pei
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Ang Li, ; Dandan Pei,
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20
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Novel Techniques and Future Perspective for Investigating Critical-Size Bone Defects. Bioengineering (Basel) 2022; 9:bioengineering9040171. [PMID: 35447731 PMCID: PMC9027954 DOI: 10.3390/bioengineering9040171] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/06/2022] [Accepted: 04/08/2022] [Indexed: 01/31/2023] Open
Abstract
A critical-size bone defect is a challenging clinical problem in which a gap between bone ends will not heal and will become a nonunion. The current treatment is to harvest and transplant an autologous bone graft to facilitate bone bridging. To develop less invasive but equally effective treatment options, one needs to first have a comprehensive understanding of the bone healing process. Therefore, it is imperative to leverage the most advanced technologies to elucidate the fundamental concepts of the bone healing process and develop innovative therapeutic strategies to bridge the nonunion gap. In this review, we first discuss the current animal models to study critical-size bone defects. Then, we focus on four novel analytic techniques and discuss their strengths and limitations. These four technologies are mass cytometry (CyTOF) for enhanced cellular analysis, imaging mass cytometry (IMC) for enhanced tissue special imaging, single-cell RNA sequencing (scRNA-seq) for detailed transcriptome analysis, and Luminex assays for comprehensive protein secretome analysis. With this new understanding of the healing of critical-size bone defects, novel methods of diagnosis and treatment will emerge.
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21
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Bilateral double site (calvarial and mandibular) critical-size bone defect model in rabbits for evaluation of a craniofacial tissue engineering constructs. Mater Today Bio 2022; 14:100267. [PMID: 35514436 PMCID: PMC9061786 DOI: 10.1016/j.mtbio.2022.100267] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/15/2022] [Accepted: 04/16/2022] [Indexed: 02/07/2023] Open
Abstract
Most existing preclinical models for evaluating the biosafety and bone-regeneration efficacy of innovative bone substitute materials (BSMs) or tissue engineering (TE) constructs only consisted of a single-site defect and the anatomical locations of defect varied drastically. While the compelling evidence showed that the bone healing pattern is location-dependent, owing to developmental, structural, and functional differences of anatomical locations, this is particularly true for the craniofacial region. Taking this into account, the bone healing efficiency of a BSM shown at one anatomical defect location cannot ensure the same impact at another. This prompted us to develop, for the first time, a model of bilateral critical-sized defect (CSD) at two distinctly different locations (non-load-bearing parietal calvaria and load-bearing mandibular body) co-existing in one rabbit to reduce the number of animals needed and avoid the influence of interindividual variability and evaluation bias on comparisons. 24 healthy adult male New Zealand White rabbits were randomly assigned to a group, either control, autograft (considered the “gold standard”) or a clinically relevant BSM (biphasic calcium phosphate granules) (BCPg, Mastergraft®, Medronics). The full-thickness cylindrical calvarial defect (ø10 mm) on frontoparietal region and mandibular composite defect (ø11 mm) on the body of the mandible were created bilaterally using low-speed drilling with saline irrigation. The defect on one side was filled with autograft debris or BCPg, and the other side was no graft (empty). Following the euthanasia of animals at the predetermined intervals (4w and 12w), the defect zones were examined macroscopically and then sampled and processed for microcomputed tomography (microCT) and histological analysis. All surgeries went uneventfully, and all rabbits recovered slowly but steadily. No symptoms of infection or inflammation associated with the defect were observed during the experiment. At 4w and 12w, macroscopic views of all defect sites were clean without any signs of necrosis or abscess, and no intraoral communication was found. The analysis of microCT and histological findings showed the non-healing nature of the empty defect, thereby both calvaria and mandible CSDs can be validated. The study of the application of BCPg in this defect model highlighted good osteointegration and excellent osteoconductive properties but compromised the osteoinductive properties of this material (compared with autograft). To conclude, this novel double-site CSD model holds great promise in the application for preclinical evaluation of BSMs, TE construct, etc. With a reduced number of animals in use, and lower interindividual variability and evaluation bias for comparisons. A novel rabbit model of bilateral critical-sized defect co-existing at two distinctly different locations was developed.
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22
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Combining sclerostin neutralization with tissue engineering: An improved strategy for craniofacial bone repair. Acta Biomater 2022; 140:178-189. [PMID: 34875361 DOI: 10.1016/j.actbio.2021.11.046] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 02/06/2023]
Abstract
Scaffolds associated with different types of mesenchymal stromal stem cells (MSC) are extensively studied for the development of novel therapies for large bone defects. Moreover, monoclonal antibodies have been recently introduced for the treatment of cancer-associated bone loss and other skeletal pathologies. In particular, antibodies against sclerostin, a key player in bone remodeling regulation, have demonstrated a real benefit for treating osteoporosis but their contribution to bone tissue-engineering remains uncharted. Here, we show that combining implantation of dense collagen hydrogels hosting wild-type (WT) murine dental pulp stem cells (mDPSC) with weekly systemic injections of a sclerostin antibody (Scl-Ab) leads to increased bone regeneration within critical size calvarial defects performed in WT mice. Furthermore, we show that bone formation is equivalent in calvarial defects in WT mice implanted with Sost knock-out (KO) mDPSC and in Sost KO mice, suggesting that the implantation of sclerostin-deficient MSC similarly promotes new bone formation than complete sclerostin deficiency. Altogether, our data demonstrate that an antibody-based therapy can potentialize tissue-engineering strategies for large craniofacial bone defects and urges the need to conduct research for antibody-enabled local inhibition of sclerostin. STATEMENT OF SIGNIFICANCE: The use of monoclonal antibodies is nowadays broadly spread for the treatment of several conditions including skeletal bone diseases. However, their use to potentialize tissue engineering constructs for bone repair remains unmet. Here, we demonstrate that the neutralization of sclerostin, through either a systemic inhibition by a monoclonal antibody or the implantation of sclerostin-deficient mesenchymal stromal stem cells (MSC) directly within the defect, improves the outcome of a tissue engineering approach, combining dense collagen hydrogels and MSC derived from the dental pulp, for the treatment of large craniofacial bone defects.
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Nassif A, Lignon G, Asselin A, Zadikian CC, Petit S, Sun HW, Klein C, Ferré FC, Morasso MI, Berdal A, Fournier BPJ, Isaac J. Transcriptional Regulation of Jaw Osteoblasts: Development to Pathology. J Dent Res 2022; 101:859-869. [PMID: 35148649 DOI: 10.1177/00220345221074356] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Craniofacial and jaw bones have unique physiological specificities when compared to axial and appendicular bones. However, the molecular profile of the jaw osteoblast (OB) remains incomplete. The present study aimed to decipher the bone site-specific profiles of transcription factors (TFs) expressed in OBs in vivo. Using RNA sequencing analysis, we mapped the transcriptome of confirmed OBs from 2 different skeletal sites: mandible (Md) and tibia (Tb). The OB transcriptome contains 709 TF genes: 608 are similarly expressed in Md-OB and Tb-OB, referred to as "OB-core"; 54 TF genes are upregulated in Md-OB, referred to as "Md-set"; and 18 TF genes are upregulated in Tb-OB, referred to as "Tb-set." Notably, the expression of 29 additional TF genes depends on their RNA transcript variants. TF genes with no previously known role in OBs and bone were identified. Bioinformatics analysis combined with review of genetic disease databases and a comprehensive literature search showed a significant contribution of anatomical origin to the OB signatures. Md-set and Tb-set are enriched with site-specific TF genes associated with development and morphogenesis (neural crest vs. mesoderm), and this developmental imprint persists during growth and homeostasis. Jaw and tibia site-specific OB signatures are associated with craniofacial and appendicular skeletal disorders as well as neurocristopathies, dental disorders, and digit malformations. The present study demonstrates the feasibility of a new method to isolate pure OB populations and map their gene expression signature in the context of OB physiological environment, avoiding in vitro culture and its associated biases. Our results provide insights into the site-specific developmental pathways governing OBs and identify new major OB regulators of bone physiology. We also established the importance of the OB transcriptome as a prognostic tool for human rare bone diseases to explore the hidden pathophysiology of craniofacial malformations, among the most prevalent congenital defects in humans.
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Affiliation(s)
- A Nassif
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France.,AP-HP, Reference Center for Dental Rare Diseases, Rothschild Hospital (ORARES), Paris, France.,AP-HP, Pitié Salpêtrière, Service d'Orthopédie Dento-faciale, Paris, France
| | - G Lignon
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France
| | - A Asselin
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France
| | - C C Zadikian
- Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France
| | - S Petit
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France
| | - H W Sun
- Biodata Mining and Discovery Section, Office of Science and Technology, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - C Klein
- Centre de Recherche des Cordeliers, Sorbonne Université, Inserm, Université de Paris, Histology, Cell Imaging and Flow Cytometry Platform (CHIC), Paris, France
| | - F C Ferré
- Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France.,AP-HP, Charles Foix-Pitié Salpêtrière Hospital, Dental Department, Ivry, France
| | - M I Morasso
- Laboratory of Skin Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - A Berdal
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France.,AP-HP, Reference Center for Dental Rare Diseases, Rothschild Hospital (ORARES), Paris, France
| | - B P J Fournier
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France.,AP-HP, Reference Center for Dental Rare Diseases, Rothschild Hospital (ORARES), Paris, France
| | - J Isaac
- Université de Paris, Dental Faculty, Department of Oral Biology, Paris, France.,Centre de Recherche des Cordeliers, Université de Paris, Sorbonne Université, Inserm, Laboratory of Molecular Oral Pathophysiology, Paris, France
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24
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Posterior Vault Distraction Osteogenesis. J Craniofac Surg 2022; 33:1525-1528. [DOI: 10.1097/scs.0000000000008489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/11/2022] [Indexed: 11/25/2022] Open
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25
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Zhang X, Sun X, Chen G. Effect of the combinative use of acupotomy therapy and ultrasonic drug penetration in treating knee joint osteoarthritis. QJM 2022; 115:12-16. [PMID: 33010179 DOI: 10.1093/qjmed/hcaa278] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND/INTRODUCTION Knee joint osteoarthritis is a chronic disease that affects the health in aging population. AIM We explore a minimally invasive surgery combining the use of ultrasonic drug penetration to treat early stage of knee joint osteoarthritis. DESIGN In total, 75 patients were participated in acupotomy therapy and ultrasonic drug penetration to treat joint osteoarthritis. METHODS The WOMAC (the Western Ontario and McMaster Universities Osteoarthritis Index) scores were used to assess the performance. RESULTS There was a significant difference in the WOMAC score between the two groups of patients (P < 0.05). The total performance rate was about 86.4% and 50% in experiment and control groups. CONCLUSION The combination of acupotomy therapy and ultrasonic drug penetration has demonstrated to be effective and promising to treat knee joint osteoarthritis.
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Affiliation(s)
- X Zhang
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, 314001, China
- Jiaxing Key Laboratory for Minimally Invasive Surgery in Orthopaedics & Skeletal Regenerative Medicine, Zhejiang Rongjun Hospital, Jiaxing, China
| | - X Sun
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, 314001, China
- Jiaxing Key Laboratory for Minimally Invasive Surgery in Orthopaedics & Skeletal Regenerative Medicine, Zhejiang Rongjun Hospital, Jiaxing, China
| | - G Chen
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, 314001, China
- Jiaxing Key Laboratory for Minimally Invasive Surgery in Orthopaedics & Skeletal Regenerative Medicine, Zhejiang Rongjun Hospital, Jiaxing, China
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Sustained Delivery of Lactoferrin Using Poloxamer Gels for Local Bone Regeneration in a Rat Calvarial Defect Model. MATERIALS 2021; 15:ma15010212. [PMID: 35009359 PMCID: PMC8745849 DOI: 10.3390/ma15010212] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/23/2021] [Accepted: 12/25/2021] [Indexed: 01/02/2023]
Abstract
Lactoferrin (LF) is a multifunctional milk glycoprotein that promotes bone regeneration. Local delivery of LF at the bone defect site is a promising approach for enhancement of bone regeneration, but efficient systems for sustained local delivery are still largely missing. The aim of this study was to investigate the potential of the poloxamers for sustained delivery of LF to enhance local bone regeneration. The developed LF/poloxamer formulations were liquid at room temperature (20 °C) transforming to a sustained releasing gel depot at body temperature (37 °C). In vitro release studies demonstrated an initial burst release (~50%), followed by slower release of LF for up to 72 h. Poloxamer, with and without LF, increased osteoblast viability at 72 h (p < 0.05) compared to control, and the immune response from THP-1 cells was mild when compared to the suture material. In rat calvarial defects, the LF/poloxamer group had lower bone volume than the controls (p = 0.0435). No difference was observed in tissue mineral density and lower bone defect coverage scores (p = 0.0267) at 12 weeks after surgery. In conclusion, LF/poloxamer formulations support cell viability and do not induce an unfavourable immune response; however, LF delivery via the current formulation of LF200/poloxamer gel did not demonstrate enhanced bone regeneration and was not compatible with the rat calvarial defect model.
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27
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Aghali A. Craniofacial Bone Tissue Engineering: Current Approaches and Potential Therapy. Cells 2021; 10:cells10112993. [PMID: 34831216 PMCID: PMC8616509 DOI: 10.3390/cells10112993] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/16/2021] [Accepted: 10/22/2021] [Indexed: 01/10/2023] Open
Abstract
Craniofacial bone defects can result from various disorders, including congenital malformations, tumor resection, infection, severe trauma, and accidents. Successfully regenerating cranial defects is an integral step to restore craniofacial function. However, challenges managing and controlling new bone tissue formation remain. Current advances in tissue engineering and regenerative medicine use innovative techniques to address these challenges. The use of biomaterials, stromal cells, and growth factors have demonstrated promising outcomes in vitro and in vivo. Natural and synthetic bone grafts combined with Mesenchymal Stromal Cells (MSCs) and growth factors have shown encouraging results in regenerating critical-size cranial defects. One of prevalent growth factors is Bone Morphogenetic Protein-2 (BMP-2). BMP-2 is defined as a gold standard growth factor that enhances new bone formation in vitro and in vivo. Recently, emerging evidence suggested that Megakaryocytes (MKs), induced by Thrombopoietin (TPO), show an increase in osteoblast proliferation in vitro and bone mass in vivo. Furthermore, a co-culture study shows mature MKs enhance MSC survival rate while maintaining their phenotype. Therefore, MKs can provide an insight as a potential therapy offering a safe and effective approach to regenerating critical-size cranial defects.
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Affiliation(s)
- Arbi Aghali
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN 55905, USA;
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47908, USA
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28
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Sartori M, Borsari V, Maglio M, Brogini S, Bragonzoni L, Zaffagnini S, Fini M. Skin adhesion to the percutaneous component of direct bone anchored systems: systematic review on preclinical approaches and biomaterials. Biomater Sci 2021; 9:7008-7023. [PMID: 34549759 DOI: 10.1039/d1bm00707f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Nowadays, direct bone anchored systems are an increasingly adopted approach in the therapeutic landscape for amputee patients. However, the percutaneous nature of these devices poses a major challenge to obtain a stable and lasting proper adhesion between the implant surface and the skin. A systematic review was carried out in three databases (PubMed, Scopus, Web of Science) to provide an overview of the innovative strategies tested with preclinical models (in vitro and in vivo) in the last ten years to improve the skin adhesion of direct bone anchored systems. Fifty five articles were selected after screening, also employing PECO question and inclusion criteria. A modified Cochrane RoB 2.0 tool for the in vitro studies and the SYRCLE tool for in in vivo studies were used to assess the risk of bias. The evidence collected suggests that the implementation of porous percutaneous structures could be one of the most favorable approach to improve proper skin adhesion, especially in association with bioactive coatings, as hydroxyapatite, and exploiting the field of nanostructure. Some issues still remain open as (a) the identification and characterization of the best material/coating association able to limit the shear stresses at the interface and (b) the role of keratinocyte turnover on the skin/biomaterial adhesion and integration processes.
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Affiliation(s)
- Maria Sartori
- IRCCS - Istituto Ortopedico Rizzoli, Complex Structure of Surgical Sciences and Technologies, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Veronica Borsari
- IRCCS - Istituto Ortopedico Rizzoli, Complex Structure of Surgical Sciences and Technologies, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Melania Maglio
- IRCCS - Istituto Ortopedico Rizzoli, Complex Structure of Surgical Sciences and Technologies, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Silvia Brogini
- IRCCS - Istituto Ortopedico Rizzoli, Complex Structure of Surgical Sciences and Technologies, Via di Barbiano 1/10, 40136, Bologna, Italy.
| | - Laura Bragonzoni
- University of Bologna - Department for Life Quality Studies, Bologna, Italy
| | - Stefano Zaffagnini
- IRCCS - Istituto Ortopedico Rizzoli, II Orthopaedic and Traumatologic Clinic, Via G.C. Pupilli 1, 40136, Bologna, Italy
| | - Milena Fini
- IRCCS - Istituto Ortopedico Rizzoli, Complex Structure of Surgical Sciences and Technologies, Via di Barbiano 1/10, 40136, Bologna, Italy.
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29
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Wicaksono G, Toni F, Wei Feng Tok L, Jun Ting Thng J, Šolić I, Singh M, Djordjevic I, Baino F, Steele TWJ. Fixation of Transparent Bone Pins with Photocuring Biocomposites. ACS Biomater Sci Eng 2021; 7:4463-4473. [PMID: 34387486 DOI: 10.1021/acsbiomaterials.1c00473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Bone fractures are in need of rapid fixation methods, but the current strategies are limited to metal pins and screws, which necessitate secondary surgeries upon removal. New techniques are sought to avoid surgical revisions, while maintaining or improving the fixation speed. Herein, a method of bone fixation is proposed with transparent biopolymers anchored in place via light-activated biocomposites based on expanding CaproGlu bioadhesives. The transparent biopolymers serve as a UV light guide for the activation of CaproGlu biocomposites, which results in evolution of molecular nitrogen (from diazirine photolysis), simultaneously expanding the covalently cross-linked matrix. Osseointegration additives of hydroxyapatite or Bioglass 45S5 yield a biocomposite matrix with increased stiffness and pullout strength. The structure-property relationships of UV joules dose, pin diameter, and biocomposite additives are assessed with respect to the apparent viscosity, shear modulus, spatiotemporal pin curing, and lap-shear adhesion. Finally, a model system is proposed based on ex vivo investigation with bone tissue for the exploration and optimization of UV-active transparent biopolymer fixation.
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Affiliation(s)
- Gautama Wicaksono
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Felicia Toni
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Leonard Wei Feng Tok
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Jeanette Jun Ting Thng
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Ivan Šolić
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Manisha Singh
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Ivan Djordjevic
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy
| | - Terry W J Steele
- School of Materials Science and Engineering (MSE), Nanyang Technological University (NTU), 639798 Singapore
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30
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Inoue S, Takito J, Nakamura M. Site-Specific Fracture Healing: Comparison between Diaphysis and Metaphysis in the Mouse Long Bone. Int J Mol Sci 2021; 22:ijms22179299. [PMID: 34502206 PMCID: PMC8430651 DOI: 10.3390/ijms22179299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/14/2022] Open
Abstract
The process of fracture healing varies depending upon internal and external factors, such as the fracture site, mode of injury, and mechanical environment. This review focuses on site-specific fracture healing, particularly diaphyseal and metaphyseal healing in mouse long bones. Diaphyseal fractures heal by forming the periosteal and medullary callus, whereas metaphyseal fractures heal by forming the medullary callus. Bone healing in ovariectomized mice is accompanied by a decrease in the medullary callus formation both in the diaphysis and metaphysis. Administration of estrogen after fracture significantly recovers the decrease in diaphyseal healing but fails to recover the metaphyseal healing. Thus, the two bones show different osteogenic potentials after fracture in ovariectomized mice. This difference may be attributed to the heterogeneity of the skeletal stem cells (SSCs)/osteoblast progenitors of the two bones. The Hox genes that specify the patterning of the mammalian skeleton during embryogenesis are upregulated during the diaphyseal healing. Hox genes positively regulate the differentiation of osteoblasts from SSCs in vitro. During bone grafting, the SSCs in the donor’s bone express Hox with adaptability in the heterologous bone. These novel functions of the Hox genes are discussed herein with reference to the site-specificity of fracture healing.
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31
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Zhang X, Wang D, Mak KLK, Tuan RS, Ker DFE. Engineering Musculoskeletal Grafts for Multi-Tissue Unit Repair: Lessons From Developmental Biology and Wound Healing. Front Physiol 2021; 12:691954. [PMID: 34504435 PMCID: PMC8421786 DOI: 10.3389/fphys.2021.691954] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/22/2021] [Indexed: 12/13/2022] Open
Abstract
In the musculoskeletal system, bone, tendon, and skeletal muscle integrate and act coordinately as a single multi-tissue unit to facilitate body movement. The development, integration, and maturation of these essential components and their response to injury are vital for conferring efficient locomotion. The highly integrated nature of these components is evident under disease conditions, where rotator cuff tears at the bone-tendon interface have been reported to be associated with distal pathological alterations such as skeletal muscle degeneration and bone loss. To successfully treat musculoskeletal injuries and diseases, it is important to gain deep understanding of the development, integration and maturation of these musculoskeletal tissues along with their interfaces as well as the impact of inflammation on musculoskeletal healing and graft integration. This review highlights the current knowledge of developmental biology and wound healing in the bone-tendon-muscle multi-tissue unit and perspectives of what can be learnt from these biological and pathological processes within the context of musculoskeletal tissue engineering and regenerative medicine. Integrating these knowledge and perspectives can serve as guiding principles to inform the development and engineering of musculoskeletal grafts and other tissue engineering strategies to address challenging musculoskeletal injuries and diseases.
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Affiliation(s)
- Xu Zhang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, China
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
| | - Dan Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, China
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, China
- Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
| | - King-Lun Kingston Mak
- Bioland Laboratory (Guangzhou Regenerative Medicine and Health-Guangdong Laboratory), Guangzhou, China
| | - Rocky S. Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, China
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
| | - Dai Fei Elmer Ker
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, China
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, China
- Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, China
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32
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Li Y, Felländer-Tsai L. The bone anchored prostheses for amputees - Historical development, current status, and future aspects. Biomaterials 2021; 273:120836. [PMID: 33894405 DOI: 10.1016/j.biomaterials.2021.120836] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/28/2021] [Accepted: 04/14/2021] [Indexed: 12/27/2022]
Abstract
In the past 50 years, bone anchored prostheses have evolved from a concept for experimental treatment to a rapidly developing area in orthopedics and traumatology. Up to date, there are dozens of centers in the world providing osseointegration amputation reconstructions and more than a thousand patients using the bone anchored prostheses. Compared with conventional socket prostheses, the bone anchored prosthesis by osseointegration avoids the debilitating problems related with soft tissues. It also provides physiological weight bearing, improved range of motion, and sensory feedback, all of which contribute to the improvement on quality of life for amputees. The present article briefly reviews the historical development of osseointegration surgery for amputation reconstruction and the current challenges. The implant design characters and surgical techniques of the two types of implants; the screw-type implant (presented by the OPRA system), and the press-fit implants (presented by EEP and OPL systems) are described. The major complications, infections and mechanical failures, are discussed in detail based on the latest evidence. Future aspects and experimental trials aiming to overcome the current challenges are presented.
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Affiliation(s)
- Yan Li
- Division of Orthopaedics and Biotechnology, Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden; Theme Trauma and Reparative Medicine, Department of Orthopedics and Traumatology, Karolinska University Hospital, Stockholm, Sweden
| | - Li Felländer-Tsai
- Division of Orthopaedics and Biotechnology, Department of Clinical Science Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden; Theme Trauma and Reparative Medicine, Department of Orthopedics and Traumatology, Karolinska University Hospital, Stockholm, Sweden.
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33
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Qin L, Fu X, Ma J, Lin M, Zhang P, Wang Y, Yan Q, Tao C, Liu W, Tang B, Chen D, Bai X, Cao H, Xiao G. Kindlin-2 mediates mechanotransduction in bone by regulating expression of Sclerostin in osteocytes. Commun Biol 2021; 4:402. [PMID: 33767359 PMCID: PMC7994671 DOI: 10.1038/s42003-021-01950-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 03/03/2021] [Indexed: 12/16/2022] Open
Abstract
Osteocytes act as mechanosensors in bone; however, the underlying mechanism remains poorly understood. Here we report that deleting Kindlin-2 in osteocytes causes severe osteopenia and mechanical property defects in weight-bearing long bones, but not in non-weight-bearing calvariae. Kindlin-2 loss in osteocytes impairs skeletal responses to mechanical stimulation in long bones. Control and cKO mice display similar bone loss induced by unloading. However, unlike control mice, cKO mice fail to restore lost bone after reloading. Osteocyte Kindlin-2 deletion impairs focal adhesion (FA) formation, cytoskeleton organization and cell orientation in vitro and in bone. Fluid shear stress dose-dependently increases Kindlin-2 expression and decreases that of Sclerostin by downregulating Smad2/3 in osteocytes; this latter response is abolished by Kindlin-2 ablation. Kindlin-2-deficient osteocytes express abundant Sclerostin, contributing to bone loss in cKO mice. Collectively, we demonstrate an indispensable novel role of Kindlin-2 in maintaining skeletal responses to mechanical stimulation by inhibiting Sclerostin expression during osteocyte mechanotransduction.
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Affiliation(s)
- Lei Qin
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Xuekun Fu
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Jing Ma
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Manxia Lin
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Peijun Zhang
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Yishu Wang
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Qinnan Yan
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Chu Tao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Wen Liu
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China
| | - Bin Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
| | - Di Chen
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Xiaochun Bai
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Huiling Cao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China.
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Southern University of Science and Technology, Shenzhen, China.
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Abbasi N, Lee RSB, Ivanovski S, Love RM, Hamlet S. In vivo bone regeneration assessment of offset and gradient melt electrowritten (MEW) PCL scaffolds. Biomater Res 2020; 24:17. [PMID: 33014414 PMCID: PMC7529514 DOI: 10.1186/s40824-020-00196-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 09/21/2020] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND Biomaterial-based bone tissue engineering represents a promising solution to overcome reduced residual bone volume. It has been previously demonstrated that gradient and offset architectures of three-dimensional melt electrowritten poly-caprolactone (PCL) scaffolds could successfully direct osteoblast cells differentiation toward an osteogenic lineage, resulting in mineralization. The aim of this study was therefore to evaluate the in vivo osteoconductive capacity of PCL scaffolds with these different architectures. METHODS Five different calcium phosphate (CaP) coated melt electrowritten PCL pore sized scaffolds: 250 μm and 500 μm, 500 μm with 50% fibre offset (offset.50.50), tri layer gradient 250-500-750 μm (grad.250top) and 750-500-250 μm (grad.750top) were implanted into rodent critical-sized calvarial defects. Empty defects were used as a control. After 4 and 8 weeks of healing, the new bone was assessed by micro-computed tomography and immunohistochemistry. RESULTS Significantly more newly formed bone was shown in the grad.250top scaffold 8 weeks post-implantation. Histological investigation also showed that soft tissue was replaced with newly formed bone and fully covered the grad.250top scaffold. While, the bone healing did not happen completely in the 250 μm, offset.50.50 scaffolds and blank calvaria defects following 8 weeks of implantation. Immunohistochemical analysis showed the expression of osteogenic markers was present in all scaffold groups at both time points. The mineralization marker Osteocalcin was detected with the highest intensity in the grad.250top and 500 μm scaffolds. Moreover, the expression of the endothelial markers showed that robust angiogenesis was involved in the repair process. CONCLUSIONS These results suggest that the gradient pore size structure provides superior conditions for bone regeneration.
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Affiliation(s)
- Naghmeh Abbasi
- School of Dentistry and Oral Health, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
- Menzies Health Institute Queensland, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
| | - Ryan S. B. Lee
- School of Dentistry and Oral Health, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
- School of Dentistry, University of Queensland, Herston Campus, Herston, Queensland 4006 Australia
| | - Saso Ivanovski
- School of Dentistry, University of Queensland, Herston Campus, Herston, Queensland 4006 Australia
| | - Robert M. Love
- School of Dentistry and Oral Health, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
| | - Stephen Hamlet
- School of Dentistry and Oral Health, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
- Menzies Health Institute Queensland, Griffith University, Gold Coast Campus, Southport, Queensland 4215 Australia
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35
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Spatial Distributions, Characteristics, and Applications of Craniofacial Stem Cells. Stem Cells Int 2020; 2020:8868593. [PMID: 32908545 PMCID: PMC7475745 DOI: 10.1155/2020/8868593] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/29/2020] [Accepted: 08/01/2020] [Indexed: 02/05/2023] Open
Abstract
Stem cells play an irreplaceable role in the development, homeostasis, and regeneration of the craniofacial bone. Multiple populations of tissue-resident craniofacial skeletal stem cells have been identified in different stem cell niches, including the cranial periosteum, jawbone marrow, temporomandibular joint, cranial sutures, and periodontium. These cells exhibit self-renewal and multidirectional differentiation abilities. Here, we summarized the properties of craniofacial skeletal stem cells, based on their spatial distribution. Specifically, we focused on the in vivo genetic fate mapping of stem cells, by exploring specific stem cell markers and observing their lineage commitment in both the homeostatic and regenerative states. Finally, we discussed their application in regenerative medicine.
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Ban J, Peng L, Li P, Liu Y, Zhou T, Xu G, Zhang X. Performance of Double-Arm Digital Subtraction Angiography (DSA)-Guided and C-Arm-Guided Percutaneous Kyphoplasty (PKP) to Treat Senile Osteoporotic Vertebral Compression Fractures. Med Sci Monit 2020; 26:e923619. [PMID: 32799216 PMCID: PMC7448688 DOI: 10.12659/msm.923619] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background Osteoporotic vertebral compression fracture (OVCF) is a common fracture in the elderly. Conservative treatment requires prolonged bedding, which may lead to serious complications. To explore optimized use of percutaneous kyphoplasty (PKP) in the treatment of senile osteoporotic thoracolumbar vertebral compression fractures, in this study, we used C-arm-guided and double-arm digital subtraction angiography (DSA)-guided PKP to treat OVCF in elderly patients and analyzed the effective recovery. Material/Methods In all, 60 patients who presented with osteoporotic vertebral compression fractures at our hospital between July 2017 and February 2019 were analyzed. They were randomly divided into C-arm-guided group and the double-arm DSA-guided groups. Both groups were treated with percutaneous kyphoplasty. Results A pain VAS score analysis revealed that there was no significant difference between the two groups before surgery (P>0.05). After surgery, the VAS scores showed a significant difference between the C-arm-guided group and the double-arm DSA-guided PKP treatment group (P<0.01). Moreover, with respect to the bone cement dosage, vertebral correction height, operation time, cumulative radiation dose, percolation rate, and volume of bone cement, the double-arm DSA-guided PKP treatment showed significantly better results than the C-arm-guided PKP treatment (P<0.01). Conclusions Our data revealed that double-arm DSA-guided PKP was more accurate in treatment of senile osteoporotic thoracolumbar vertebral compression fractures, producing excellent performance with more accurate intraoperative evaluation, shorter operative time, lower incidence of bone cement leakage, less intraoperative radiation dose, and higher safety, and thus, could be extensively applied to clinical surgery.
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Affiliation(s)
- Jihe Ban
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
| | - Lilu Peng
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
| | - Pengpeng Li
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
| | - Yunhai Liu
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
| | - Tao Zhou
- Department of Invasive Technology, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
| | - Guangtao Xu
- Forensic and Pathology Laboratory, Judicial Expertise Center, Jiaxing University Medical College, Jiaxing, Zhejiang, China (mainland)
| | - Xingen Zhang
- Department of Orthopedics, Zhejiang Rongjun Hospital, Jiaxing, Zhejiang, China (mainland)
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37
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Ueno M, Lo CW, Barati D, Conrad B, Lin T, Kohno Y, Utsunomiya T, Zhang N, Maruyama M, Rhee C, Huang E, Romero-Lopez M, Tong X, Yao Z, Zwingenberger S, Yang F, Goodman SB. Interleukin-4 overexpressing mesenchymal stem cells within gelatin-based microribbon hydrogels enhance bone healing in a murine long bone critical-size defect model. J Biomed Mater Res A 2020; 108:2240-2250. [PMID: 32363683 DOI: 10.1002/jbm.a.36982] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/21/2020] [Accepted: 03/28/2020] [Indexed: 12/14/2022]
Abstract
Mesenchymal stem cell (MSC)-based therapy is a promising strategy for bone repair. Furthermore, the innate immune system, and specifically macrophages, plays a crucial role in the differentiation and activation of MSCs. The anti-inflammatory cytokine Interleukin-4 (IL-4) converts pro-inflammatory M1 macrophages into a tissue regenerative M2 phenotype, which enhances MSC differentiation and function. We developed lentivirus-transduced IL-4 overexpressing MSCs (IL-4 MSCs) that continuously produce IL-4 and polarize macrophages toward an M2 phenotype. In the current study, we investigated the potential of IL-4 MSCs delivered using a macroporous gelatin-based microribbon (μRB) scaffold for healing of critical-size long bone defects in Mice. IL-4 MSCs within μRBs enhanced M2 marker expression without inhibiting M1 marker expression in the early phase, and increased macrophage migration into the scaffold. Six weeks after establishing the bone defect, IL-4 MSCs within μRBs enhanced bone formation and helped bridge the long bone defect. IL-4 MSCs delivered using macroporous μRB scaffold is potentially a valuable strategy for the treatment of critical-size long bone defects.
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Affiliation(s)
- Masaya Ueno
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Chi-Wen Lo
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Danial Barati
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Bogdan Conrad
- Stem Cell Biology and Regenerative Medicine Program, Stanford University, Stanford, California, USA
| | - Tzuhua Lin
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Yusuke Kohno
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Takeshi Utsunomiya
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Ning Zhang
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Masahiro Maruyama
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Claire Rhee
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Ejun Huang
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Monica Romero-Lopez
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Xinming Tong
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Zhenyu Yao
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA
| | - Stefan Zwingenberger
- University Center for Orthopaedics and Traumatology, University Hospital Carl Gustav Carus at Technische Universität Dresden, Dresden, Germany
| | - Fan Yang
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA.,Department of Bioengineering, Stanford University, Stanford, California, USA
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, USA.,Department of Bioengineering, Stanford University, Stanford, California, USA
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