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Liu H, Chen H, Han Q, Sun B, Liu Y, Zhang A, Fan D, Xia P, Wang J. Recent advancement in vascularized tissue-engineered bone based on materials design and modification. Mater Today Bio 2023; 23:100858. [PMID: 38024843 PMCID: PMC10679779 DOI: 10.1016/j.mtbio.2023.100858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 09/03/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
Bone is one of the most vascular network-rich tissues in the body and the vascular system is essential for the development, homeostasis, and regeneration of bone. When segmental irreversible damage occurs to the bone, restoring its vascular system by means other than autogenous bone grafts with vascular pedicles is a therapeutic challenge. By pre-generating the vascular network of the scaffold in vivo or in vitro, the pre-vascularization technique enables an abundant blood supply in the scaffold after implantation. However, pre-vascularization techniques are time-consuming, and in vivo pre-vascularization techniques can be damaging to the body. Critical bone deficiencies may be filled quickly with immediate implantation of a supporting bone tissue engineered scaffold. However, bone tissue engineered scaffolds generally lack vascularization, which requires modification of the scaffold to aid in enhancing internal vascularization. In this review, we summarize the relationship between the vascular system and osteogenesis and use it as a basis to further discuss surgical and cytotechnology-based pre-vascularization strategies and to describe the preparation of vascularized bone tissue engineered scaffolds that can be implanted immediately. We anticipate that this study will serve as inspiration for future vascularized bone tissue engineered scaffold construction and will aid in the achievement of clinical vascularized bone.
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Affiliation(s)
- Hao Liu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Hao Chen
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Qin Han
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Bin Sun
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Yang Liu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Aobo Zhang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Danyang Fan
- Department of Dermatology, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Peng Xia
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
| | - Jincheng Wang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Changchun 130000, Jilin, China
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Han X, Saiding Q, Cai X, Xiao Y, Wang P, Cai Z, Gong X, Gong W, Zhang X, Cui W. Intelligent Vascularized 3D/4D/5D/6D-Printed Tissue Scaffolds. NANO-MICRO LETTERS 2023; 15:239. [PMID: 37907770 PMCID: PMC10618155 DOI: 10.1007/s40820-023-01187-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 07/25/2023] [Indexed: 11/02/2023]
Abstract
Blood vessels are essential for nutrient and oxygen delivery and waste removal. Scaffold-repairing materials with functional vascular networks are widely used in bone tissue engineering. Additive manufacturing is a manufacturing technology that creates three-dimensional solids by stacking substances layer by layer, mainly including but not limited to 3D printing, but also 4D printing, 5D printing and 6D printing. It can be effectively combined with vascularization to meet the needs of vascularized tissue scaffolds by precisely tuning the mechanical structure and biological properties of smart vascular scaffolds. Herein, the development of neovascularization to vascularization to bone tissue engineering is systematically discussed in terms of the importance of vascularization to the tissue. Additionally, the research progress and future prospects of vascularized 3D printed scaffold materials are highlighted and presented in four categories: functional vascularized 3D printed scaffolds, cell-based vascularized 3D printed scaffolds, vascularized 3D printed scaffolds loaded with specific carriers and bionic vascularized 3D printed scaffolds. Finally, a brief review of vascularized additive manufacturing-tissue scaffolds in related tissues such as the vascular tissue engineering, cardiovascular system, skeletal muscle, soft tissue and a discussion of the challenges and development efforts leading to significant advances in intelligent vascularized tissue regeneration is presented.
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Affiliation(s)
- Xiaoyu Han
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, People's Republic of China
- Department of Orthopedics, Jinan Central Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, 105 Jiefang Road, Lixia District, Jinan, 250013, Shandong, People's Republic of China
| | - Qimanguli Saiding
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, People's Republic of China
| | - Xiaolu Cai
- Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, People's Republic of China
| | - Yi Xiao
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Peng Wang
- Department of Orthopedics, Jinan Central Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, 105 Jiefang Road, Lixia District, Jinan, 250013, Shandong, People's Republic of China
| | - Zhengwei Cai
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, People's Republic of China
| | - Xuan Gong
- University of Texas Southwestern Medical Center, Dallas, TX, 75390-9096, USA
| | - Weiming Gong
- Department of Orthopedics, Jinan Central Hospital, Shandong First Medical University and Shandong Academy of Medical Sciences, 105 Jiefang Road, Lixia District, Jinan, 250013, Shandong, People's Republic of China.
| | - Xingcai Zhang
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, People's Republic of China.
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Qiu M, Li C, Cai Z, Li C, Yang K, Tulufu N, Chen B, Cheng L, Zhuang C, Liu Z, Qi J, Cui W, Deng L. 3D Biomimetic Calcified Cartilaginous Callus that Induces Type H Vessels Formation and Osteoclastogenesis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207089. [PMID: 36999832 DOI: 10.1002/advs.202207089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 02/22/2023] [Indexed: 06/04/2023]
Abstract
The formation of a calcified cartilaginous callus (CACC) is crucial during bone repair. CACC can stimulate the invasion of type H vessels into the callus to couple angiogenesis and osteogenesis, induce osteoclastogenesis to resorb the calcified matrix, and promote osteoclast secretion of factors to enhance osteogenesis, ultimately achieving the replacement of cartilage with bone. In this study, a porous polycaprolactone/hydroxyapatite-iminodiacetic acid-deferoxamine (PCL/HA-SF-DFO) 3D biomimetic CACC is developed using 3D printing. The porous structure can mimic the pores formed by the matrix metalloproteinase degradation of the cartilaginous matrix, HA-containing PCL can mimic the calcified cartilaginous matrix, and SF anchors DFO onto HA for the slow release of DFO. The in vitro results show that the scaffold significantly enhances angiogenesis, promotes osteoclastogenesis and resorption by osteoclasts, and enhances the osteogenic differentiation of bone marrow stromal stem cells by promoting collagen triple helix repeat-containing 1 expression by osteoclasts. The in vivo results show that the scaffold significantly promotes type H vessels formation and the expression of coupling factors to promote osteogenesis, ultimately enhancing the regeneration of large-segment bone defects in rats and preventing dislodging of the internal fixation screw. In conclusion, the scaffold inspired by biological bone repair processes effectively promotes bone regeneration.
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Affiliation(s)
- Minglong Qiu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Changwei Li
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Zhengwei Cai
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Cuidi Li
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Kai Yang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Nijiati Tulufu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Bo Chen
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Liang Cheng
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Chengyu Zhuang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Zhihong Liu
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Jin Qi
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
| | - Lianfu Deng
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, P. R. China
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Ouhaddi Y, Charbonnier B, Porge J, Zhang YL, Garcia I, Gbureck U, Grover L, Gilardino M, Harvey E, Makhoul N, Barralet J. Development of Neovasculature in Axially Vascularized Calcium Phosphate Cement Scaffolds. J Funct Biomater 2023; 14:jfb14020105. [PMID: 36826904 PMCID: PMC9966587 DOI: 10.3390/jfb14020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
Augmenting the vascular supply to generate new tissues, a crucial aspect in regenerative medicine, has been challenging. Recently, our group showed that calcium phosphate can induce the formation of a functional neo-angiosome without the need for microsurgical arterial anastomosis. This was a preclinical proof of concept for biomaterial-induced luminal sprouting of large-diameter vessels. In this study, we investigated if sprouting was a general response to surgical injury or placement of an inorganic construct around the vessel. Cylindrical biocement scaffolds of differing chemistries were placed around the femoral vein. A contrast agent was used to visualize vessel ingrowth into the scaffolds. Cell populations in the scaffold were mapped using immunohistochemistry. Calcium phosphate scaffolds induced 2.7-3 times greater volume of blood vessels than calcium sulphate or magnesium phosphate scaffolds. Macrophage and vSMC populations were identified that changed spatially and temporally within the scaffold during implantation. NLRP3 inflammasome activation peaked at weeks 2 and 4 and then declined; however, IL-1β expression was sustained over the course of the experiment. IL-8, a promoter of angiogenesis, was also detected, and together, these responses suggest a role of sterile inflammation. Unexpectedly, the effect was distinct from an injury response as a result of surgical placement and also was not simply a foreign body reaction as a result of placing a rigid bioceramic next to a vein, since, while the materials tested had similar microstructures, only the calcium phosphates tested elicited an angiogenic response. This finding then reveals a potential path towards a new strategy for creating better pro-regenerative biomaterials.
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Affiliation(s)
- Yassine Ouhaddi
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Baptiste Charbonnier
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Juliette Porge
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
| | - Yu-Ling Zhang
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Isadora Garcia
- Division of Operative Dentistry, Department of General Dentistry, University of Maryland School of Dentistry, Baltimore, MD 21201, USA
| | - Uwe Gbureck
- Department of Functional Materials in Medicine and Dentistry, University of Würzburg, D-97070 Würzburg, Germany
| | - Liam Grover
- School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK
| | - Mirko Gilardino
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Edward Harvey
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
| | - Nicholas Makhoul
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
| | - Jake Barralet
- Division of Orthopaedics, Department of Surgery, Faculty of Medicine and Health Sciences, Montreal General Hospital, Montreal, QC H3G 1A4, Canada
- Faculty of Dentistry, McGill University, 2001 McGill College Avenue, Montreal, QC H3A 1G1, Canada
- Correspondence:
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Paré A, Charbonnier B, Veziers J, Vignes C, Dutilleul M, De Pinieux G, Laure B, Bossard A, Saucet-Zerbib A, Touzot-Jourde G, Weiss P, Corre P, Gauthier O, Marchat D. Standardized and axially vascularized calcium phosphate-based implants for segmental mandibular defects: A promising proof of concept. Acta Biomater 2022; 154:626-640. [PMID: 36210043 DOI: 10.1016/j.actbio.2022.09.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 09/09/2022] [Accepted: 09/28/2022] [Indexed: 12/14/2022]
Abstract
The reconstruction of massive segmental mandibular bone defects (SMDs) remains challenging even today; the current gold standard in human clinics being vascularized bone transplantation (VBT). As alternative to this onerous approach, bone tissue engineering strategies have been widely investigated. However, they displayed limited clinical success, particularly in failing to address the essential problem of quick vascularization of the implant. Although routinely used in clinics, the insertion of intrinsic vascularization in bioengineered constructs for the rapid formation of a feeding angiosome remains uncommon. In a clinically relevant model (sheep), a custom calcium phosphate-based bioceramic soaked with autologous bone marrow and perfused by an arteriovenous loop was tested to regenerate a massive SMD and was compared to VBT (clinical standard). Animals did not support well the VBT treatment, and the study was aborted 2 weeks after surgery due to ethical and animal welfare considerations. SMD regeneration was successful with the custom vascularized bone construct. Implants were well osseointegrated and vascularized after only 3 months of implantation and totally entrapped in lamellar bone after 12 months; a healthy yellow bone marrow filled the remaining space. STATEMENT OF SIGNIFICANCE: Regenerative medicine struggles with the generation of large functional bone volume. Among them segmental mandibular defects are particularly challenging to restore. The standard of care, based on bone free flaps, still displays ethical and technical drawbacks (e.g., donor site morbidity). Modern engineering technologies (e.g., 3D printing, digital chain) were combined to relevant surgical techniques to provide a pre-clinical proof of concept, investigating for the benefits of such a strategy in bone-related regenerative field. Results proved that a synthetic-biologics-free approach is able to regenerate a critical size segmental mandibular defect of 15 cm3 in a relevant preclinical model, mimicking real life scenarii of segmental mandibular defect, with a full physiological regeneration of the defect after 12 months.
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Affiliation(s)
- Arnaud Paré
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France; Department of Maxillofacial and Plastic surgery, Burn Unit, University Hospital of Tours, Trousseau Hospital, Avenue de la République, Chambray lès Tours 37170, France
| | - Baptiste Charbonnier
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France; Mines Saint-Étienne, Univ Jean Monnet, INSERM, U 1059 Sainbiose, 42023, Saint-Étienne, France
| | - Joëlle Veziers
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France
| | - Caroline Vignes
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France
| | - Maeva Dutilleul
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France
| | - Gonzague De Pinieux
- Department of Pathology, University Hospital of Tours, Trousseau Hospital, Avenue de la République, Chambray lès Tours 37170, France
| | - Boris Laure
- Department of Maxillofacial and Plastic surgery, Burn Unit, University Hospital of Tours, Trousseau Hospital, Avenue de la République, Chambray lès Tours 37170, France
| | - Adeline Bossard
- ONIRIS Nantes-Atlantic College of Veterinary Medicine, Research Center of Preclinical Invesitagtion (CRIP), Site de la Chantrerie, 101 route de Gachet, Nantes 44307, France
| | - Annaëlle Saucet-Zerbib
- ONIRIS Nantes-Atlantic College of Veterinary Medicine, Research Center of Preclinical Invesitagtion (CRIP), Site de la Chantrerie, 101 route de Gachet, Nantes 44307, France
| | - Gwenola Touzot-Jourde
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France; ONIRIS Nantes-Atlantic College of Veterinary Medicine, Research Center of Preclinical Invesitagtion (CRIP), Site de la Chantrerie, 101 route de Gachet, Nantes 44307, France
| | - Pierre Weiss
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France
| | - Pierre Corre
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France; Clinique de Stomatologie et Chirurgie Maxillo-Faciale, Nantes University Hospital, 1 Place Alexis Ricordeau, Nantes 44042, France
| | - Olivier Gauthier
- INSERM, U 1229, Laboratory of Regenerative Medicine and Skeleton, RMeS, Nantes Université, 1 Place Alexis Ricordeau, Nantes 44042, France; ONIRIS Nantes-Atlantic College of Veterinary Medicine, Research Center of Preclinical Invesitagtion (CRIP), Site de la Chantrerie, 101 route de Gachet, Nantes 44307, France
| | - David Marchat
- Mines Saint-Étienne, Univ Jean Monnet, INSERM, U 1059 Sainbiose, 42023, Saint-Étienne, France.
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Bohner M, Maazouz Y, Ginebra MP, Habibovic P, Schoenecker JG, Seeherman H, van den Beucken JJ, Witte F. Sustained local ionic homeostatic imbalance caused by calcification modulates inflammation to trigger heterotopic ossification. Acta Biomater 2022; 145:1-24. [PMID: 35398267 DOI: 10.1016/j.actbio.2022.03.057] [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] [Received: 12/13/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022]
Abstract
Heterotopic ossification (HO) is a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues. Despite being a frequent complication of orthopedic and trauma surgery, brain and spinal injury, the etiology of HO is poorly understood. The aim of this study is to evaluate the hypothesis that a sustained local ionic homeostatic imbalance (SLIHI) created by mineral formation during tissue calcification modulates inflammation to trigger HO. This evaluation also considers the role SLIHI could play for the design of cell-free, drug-free osteoinductive bone graft substitutes. The evaluation contains five main sections. The first section defines relevant concepts in the context of HO and provides a summary of proposed causes of HO. The second section starts with a detailed analysis of the occurrence and involvement of calcification in HO. It is followed by an explanation of the causes of calcification and its consequences. This allows to speculate on the potential chemical modulators of inflammation and triggers of HO. The end of this second section is devoted to in vitro mineralization tests used to predict the ectopic potential of materials. The third section reviews the biological cascade of events occurring during pathological and material-induced HO, and attempts to propose a quantitative timeline of HO formation. The fourth section looks at potential ways to control HO formation, either acting on SLIHI or on inflammation. Chemical, physical, and drug-based approaches are considered. Finally, the evaluation finishes with a critical assessment of the definition of osteoinduction. STATEMENT OF SIGNIFICANCE: The ability to regenerate bone in a spatially controlled and reproducible manner is an essential prerequisite for the treatment of large bone defects. As such, understanding the mechanism leading to heterotopic ossification (HO), a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues, would be very useful. Unfortunately, the mechanism(s) behind HO is(are) poorly understood. The present study reviews the literature on HO and based on it, proposes that HO can be caused by a combination of inflammation and calcification. This mechanism helps to better understand current strategies to prevent and treat HO. It also shows new opportunities to improve the treatment of bone defects in orthopedic and dental procedures.
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Dalisson B, Charbonnier B, Aoude A, Gilardino M, Harvey E, Makhoul N, Barralet J. Skeletal regeneration for segmental bone loss: Vascularised grafts, analogues and surrogates. Acta Biomater 2021; 136:37-55. [PMID: 34626818 DOI: 10.1016/j.actbio.2021.09.053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 02/08/2023]
Abstract
Massive segmental bone defects (SBD) are mostly treated by removing the fibula and transplanting it complete with blood supply. While revolutionary 50 years ago, this remains the standard treatment. This review considers different strategies to repair SBD and emerging potential replacements for this highly invasive procedure. Prior to the technical breakthrough of microsurgery, researchers in the 1960s and 1970s had begun to make considerable progress in developing non autologous routes to repairing SBD. While the breaktthrough of vascularised bone transplantation solved the immediate problem of a lack of reliable repair strategies, much of their prior work is still relevant today. We challenge the assumption that mimicry is necessary or likely to be successful and instead point to the utility of quite crude (from a materials technology perspective), approaches. Together there are quite compelling indications that the body can regenerate entire bone segments with few or no exogenous factors. This is important, as there is a limit to how expensive a bone repair can be and still be widely available to all patients since cost restraints within healthcare systems are not likely to diminish in the near future. STATEMENT OF SIGNIFICANCE: This review is significant because it is a multidisciplinary view of several surgeons and scientists as to what is driving improvement in segmental bone defect repair, why many approaches to date have not succeeded and why some quite basic approaches can be as effective as they are. While there are many reviews of the literature of grafting and bone repair the relative lack of substantial improvement and slow rate of progress in clinical translation is often overlooked and we seek to challenge the reader to consider the issue more broadly.
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Fairag R, Li L, Ramirez-GarciaLuna JL, Taylor MS, Gaerke B, Weber MH, Rosenzweig DH, Haglund L. A Composite Lactide-Mineral 3D-Printed Scaffold for Bone Repair and Regeneration. Front Cell Dev Biol 2021; 9:654518. [PMID: 34307346 PMCID: PMC8299729 DOI: 10.3389/fcell.2021.654518] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 06/21/2021] [Indexed: 01/08/2023] Open
Abstract
Orthopedic tumor resection, trauma, or degenerative disease surgeries can result in large bone defects and often require bone grafting. However, standard autologous bone grafting has been associated with donor site morbidity and/or limited quantity. As an alternate, allografts with or without metallic or polyether-etherketone have been used as grafting substitutes. However, these may have drawbacks as well, including stress shielding, pseudarthrosis, disease-transmission, and infection. There is therefore a need for alternative bone substitutes, such as the use of mechanically compliant three-dimensional (3D)-printed scaffolds. Several off-the-shelf materials are available for low-cost fused deposition 3D printing such as polylactic acid (PLA) and polycaprolactone (PCL). We have previously described the feasibility of 3D-printed PLA scaffolds to support cell activity and extracellular matrix deposition. In this study, we investigate two medical-grade filaments consistent with specifications found in American Society for Testing and Materials (ASTM) standard for semi-crystalline polylactide polymers for surgical implants, a pure polymer (100M) and a copolymeric material (7415) for their cytocompatibility and suitability in bone tissue engineering. Moreover, we assessed the impact on osteo-inductive properties with the addition of beta-tricalcium phosphate (β-TCP) minerals and assessed their mechanical properties. 100M and 7415 scaffolds with the additive β-TCP demonstrated superior mesenchymal stem cells (MSCs) differentiation detected via increased alkaline phosphatase activity (6-fold and 1.5-fold, respectively) and mineralized matrix deposition (14-fold and 5-fold, respectively) in vitro. Furthermore, we evaluated in vivo compatibility, biosafety and bone repair potential in a rat femur window defect model. 100M+β -TCP implants displayed a positive biosafety profile and showed significantly enhanced new bone formation compared to 100M implants evidenced by μCT (39 versus 25% bone volume/tissue volume ratio) and histological analysis 6 weeks post-implantation. These scaffolds are encouraging composite biomaterials for repairing bone applications with a great potential for clinical translation. Further analyses are required with appropriate evaluation in a larger critical-sized defect animal model with long-term follow-up.
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Affiliation(s)
- Rayan Fairag
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
- Department of Orthopedic Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Li Li
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | | | | | | | - Michael H. Weber
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | - Derek H. Rosenzweig
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
| | - Lisbet Haglund
- Department of Surgery, Division of Orthopaedic Surgery, McGill University, Montreal, QC, Canada
- Research Institute of McGill University Health Center, Montreal General Hospital, Montreal, QC, Canada
- Shriners Hospital for Children, Montreal, QC, Canada
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Wang J, Wang X, Zhen P, Fan B. [Research progress of in vivo bioreactor for bone tissue engineering]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:627-635. [PMID: 33998218 DOI: 10.7507/1002-1892.202012083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To review the research progress of in vivo bioreactor (IVB) for bone tissue engineering in order to provide reference for its future research direction. Methods The literature related to IVB used in bone tissue engineering in recent years was reviewed, and the principles of IVB construction, tissue types, sites, and methods of IVB construction, as well as the advantages of IVB used in bone tissue engineering were summarized. Results IVB takes advantage of the body's ability to regenerate itself, using the body as a bioreactor to regenerate new tissues or organs at injured sites or at ectopic sites that can support the regeneration of new tissues. IVB can be constructed by tissue flap (subcutaneous pocket, muscle flap/pocket, fascia flap, periosteum flap, omentum flap/abdominal cavity) and axial vascular pedicle (axial vascular bundle, arteriovenous loop) alone or jointly. IVB is used to prefabricate vascularized tissue engineered bone that matched the shape and size of the defect. The prefabricated vascularized tissue engineered bone can be used as bone graft, pedicled bone flap, or free bone flap to repair bone defect. IVB solves the problem of insufficient vascularization in traditional bone tissue engineering to a certain extent. Conclusion IVB is a promising method for vascularized tissue engineered bone prefabrication and subsequent bone defect reconstruction, with unique advantages in the repair of large complex bone defects. However, the complexity of IVB construction and surgical complications hinder the clinical application of IVB. Researchers should aim to develop a simple, safe, and efficient IVB.
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Affiliation(s)
- Jian Wang
- First School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou Gansu, 730000, P.R.China.,Orthopaedic Center, the 940th Hospital of PLA Joint Logistics Support Force, Lanzhou Gansu, 730000, P.R.China
| | - Xiao Wang
- School of Design and Art, Lanzhou University of Technology, Lanzhou Gansu, 730000, P.R.China
| | - Ping Zhen
- Orthopaedic Center, the 940th Hospital of PLA Joint Logistics Support Force, Lanzhou Gansu, 730000, P.R.China
| | - Bo Fan
- Orthopaedic Center, the 940th Hospital of PLA Joint Logistics Support Force, Lanzhou Gansu, 730000, P.R.China
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Vidal L, Brennan MÁ, Krissian S, De Lima J, Hoornaert A, Rosset P, Fellah BH, Layrolle P. In situ production of pre-vascularized synthetic bone grafts for regenerating critical-sized defects in rabbits. Acta Biomater 2020; 114:384-394. [PMID: 32688088 DOI: 10.1016/j.actbio.2020.07.030] [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: 03/10/2020] [Revised: 06/16/2020] [Accepted: 07/14/2020] [Indexed: 12/13/2022]
Abstract
Reconstructing large bone defects caused by severe trauma or resection of tumors remains a challenge for surgeons. A fibula free flap and its vascularized bed can be transplanted to the reconstruction site to achieve healing. However, this technique adds morbidity, and requires microsurgery and sculpting of the bone tissue to adapt the graft to both the vasculature and the anatomy of the defect. The aim of the current study was to evaluate an alternative approach consisting of the in situ production of a pre-vascularized synthetic bone graft and its subsequent transplantation to a critical-sized bone defect. 3D printed chambers containing biphasic calcium phosphate (BCP) granules, perfused by a local vascular pedicle, with or without the addition of stromal vascular fraction (SVF), were subcutaneously implanted into New Zealand White female rabbits. SVF was prepared extemporaneously from autologous adipose tissue, the vascular pedicle was isolated from the inguinal site, while BCP granules alone served as a control group. After 8 weeks, the constructs containing a vascular pedicle exhibited abundant neovascularization with blood vessels sprouting from the pedicle, leading to significantly increased vascularization compared to BCP controls. Pre-vascularized synthetic bone grafts were then transplanted into 15 mm critical-sized segmental ulnar defects for a further 8 weeks. Micro-CT and decalcified histology revealed that pre-vascularization of synthetic bone grafts led to enhanced bone regeneration. This pre-clinical study demonstrates the feasibility and efficacy of the in situ production of pre-vascularized synthetic bone grafts for regenerating large bone defects, thereby addressing an important clinical need. STATEMENT OF SIGNIFICANCE: The current gold standard in large bone defect regeneration is vascularized fibula grafting. An alternative approach consisting of in situ production of a pre-vascularized synthetic bone graft and its subsequent transplantation to a bone defect is presented here. 3D printed chambers were filled with biphasic calcium phosphate granules, supplemented with autologous stromal vascular fraction and an axial vascular pedicle and subcutaneously implanted in inguinal sites. These pre-vascularized synthetic grafts were then transplanted into critical-sized segmental ulnar defects. Micro-CT and decalcified histology revealed that the pre-vascularized synthetic bone grafts led to higher bone regeneration than non-vascularized constructs. An alternative to vascularized fibula grafting is provided and may address an important clinical need for large bone defect reconstruction.
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Regeneration of segmental defects in metatarsus of sheep with vascularized and customized 3D-printed calcium phosphate scaffolds. Sci Rep 2020; 10:7068. [PMID: 32341459 PMCID: PMC7184564 DOI: 10.1038/s41598-020-63742-w] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 03/31/2020] [Indexed: 11/12/2022] Open
Abstract
Although autografts are considered to be the gold standard treatment for reconstruction of large bone defects resulting from trauma or diseases, donor site morbidity and limited availability restrict their use. Successful bone repair also depends on sufficient vascularization and to address this challenge, novel strategies focus on the development of vascularized biomaterial scaffolds. This pilot study aimed to investigate the feasibility of regenerating large bone defects in sheep using 3D-printed customized calcium phosphate scaffolds with or without surgical vascularization. Pre-operative computed tomography scans were performed to visualize the metatarsus and vasculature and to fabricate customized scaffolds and surgical guides by 3D printing. Critical-sized segmental defects created in the mid-diaphyseal region of the metatarsus were either left empty or treated with the 3D scaffold alone or in combination with an axial vascular pedicle. Bone regeneration was evaluated 1, 2 and 3 months post-implantation. After 3 months, the untreated defect remained non-bridged while the 3D scaffold guided bone regeneration. The presence of the vascular pedicle further enhanced bone formation. Histology confirmed bone growth inside the porous 3D scaffolds with or without vascular pedicle inclusion. Taken together, this pilot study demonstrated the feasibility of precised pre-surgical planning and reconstruction of large bone defects with 3D-printed personalized scaffolds.
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