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Pitacco P, Sadowska JM, O'Brien FJ, Kelly DJ. 3D bioprinting of cartilaginous templates for large bone defect healing. Acta Biomater 2023; 156:61-74. [PMID: 35907556 DOI: 10.1016/j.actbio.2022.07.037] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 01/18/2023]
Abstract
Damaged or diseased bone can be treated using autografts or a range of different bone grafting biomaterials, however limitations with such approaches has motivated increased interest in developmentally inspired bone tissue engineering (BTE) strategies that seek to recapitulate the process of endochondral ossification (EO) as a means of regenerating critically sized defects. The clinical translation of such strategies will require the engineering of scaled-up, geometrically defined hypertrophic cartilage grafts that can be rapidly vascularised and remodelled into bone in mechanically challenging defect environments. The goal of this study was to 3D bioprint mechanically reinforced cartilaginous templates and to assess their capacity to regenerate critically sized femoral bone defects. Human mesenchymal stem/stromal cells (hMSCs) were incorporated into fibrin based bioinks and bioprinted into polycaprolactone (PCL) frameworks to produce mechanically reinforced constructs. Chondrogenic priming of such hMSC laden constructs was required to support robust vascularisation and graft mineralisation in vivo following their subcutaneous implantation into nude mice. With a view towards maximising their potential to support endochondral bone regeneration, we next explored different in vitro culture regimes to produce chondrogenic and early hypertrophic engineered grafts. Following their implantation into femoral bone defects within transiently immunosuppressed rats, such bioprinted constructs were rapidly remodelled into bone in vivo, with early hypertrophic constructs supporting higher levels of vascularisation and bone formation compared to the chondrogenic constructs. Such early hypertrophic bioprinted constructs also supported higher levels of vascularisation and spatially distinct patterns of new formation compared to BMP-2 loaded collagen scaffolds (here used as a positive control). In conclusion, this study demonstrates that fibrin based bioinks support chondrogenesis of hMSCs in vitro, which enables the bioprinting of mechanically reinforced hypertrophic cartilaginous templates capable of supporting large bone defect regeneration. These results support the use of 3D bioprinting as a strategy to scale-up the engineering of developmentally inspired templates for BTE. STATEMENT OF SIGNIFICANCE: Despite the promise of developmentally inspired tissue engineering strategies for bone regeneration, there are still challenges that need to be addressed to enable clinical translation. This work reports the development and assessment (in vitro and in vivo) of a 3D bioprinting strategy to engineer mechanically-reinforced cartilaginous templates for large bone defect regeneration using human MSCs. Using distinct in vitro priming protocols, it was possible to generate cartilage grafts with altered phenotypes. More hypertrophic grafts, engineered in vitro using TGF-β3 and BMP-2, supported higher levels of blood vessel infiltration and accelerated bone regeneration in vivo. This study also identifies some of the advantages and disadvantages of such endochondral bone TE strategies over the direct delivery of BMP-2 from collagen-based scaffolds.
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Affiliation(s)
- Pierluca Pitacco
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland.
| | - Joanna M Sadowska
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland; Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine Royal College of Surgeons in Ireland, Ireland.
| | - Fergal J O'Brien
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland; Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine Royal College of Surgeons in Ireland, Ireland.
| | - Daniel J Kelly
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland; Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine Royal College of Surgeons in Ireland, Ireland.
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2
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Fabrication and Characterization of Decellularized Periodontal Ligament Cell Sheet Constructs. Methods Mol Biol 2023; 2588:429-438. [PMID: 36418702 DOI: 10.1007/978-1-0716-2780-8_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Decellularized tissue engineered constructs have the potential to promote regeneration by providing a biomimetic extracellular matrix that directs tissue specific regeneration when implanted in situ. Recently, the use of cell sheets has shown promising results in promoting periodontal regeneration. Here, we describe the fabrication of decellularized periodontal cell sheets with intact extracellular matrix structural and biological properties. Melt electro-spun polycaprolactone (PCL) scaffolds are used as a carrier for the inherently fragile cell sheets, in order to provide support during the processes of decellularization. An optimized decellularization method is outlined using perfusion with a combination of NH4OH and Triton X-100 together with a DNase treatment step for DNA removal. The maintenance of extracellular matrix structural and biological integrity is important, and here, we describe the assessment of these properties using immunostaining for extracellular matrix proteins and ELISA for growth factor quantification.
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Promoting endogenous articular cartilage regeneration using extracellular matrix scaffolds. Mater Today Bio 2022; 16:100343. [PMID: 35865410 PMCID: PMC9294195 DOI: 10.1016/j.mtbio.2022.100343] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 06/23/2022] [Accepted: 06/25/2022] [Indexed: 12/13/2022] Open
Abstract
Articular cartilage defects fail to heal spontaneously, typically progressing to osteoarthritis. Bone marrow stimulation techniques such as microfracture (MFX) are the current surgical standard of care; however MFX typically produces an inferior fibro-cartilaginous tissue which provides only temporary symptomatic relief. Here we implanted solubilised articular cartilage extracellular matrix (ECM) derived scaffolds into critically sized chondral defects in goats, securely anchoring these implants to the joint surface using a 3D-printed fixation device that overcame the need for sutures or glues. In vitro these ECM scaffolds were found to be inherently chondro-inductive, while in vivo they promoted superior articular cartilage regeneration compared to microfracture. In an attempt to further improve the quality of repair, we loaded these scaffolds with a known chemotactic factor, transforming growth factor (TGF)-β3. In vivo such TGF-β3 loaded scaffolds promoted superior articular cartilage regeneration. This study demonstrates that ECM derived biomaterials, either alone and particularly when combined with exogenous growth factors, can successfully treat articular cartilage defects in a clinically relevant large animal model.
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Zhang Q, Hu Y, Long X, Hu L, Wu Y, Wu J, Shi X, Xie R, Bi Y, Yu F, Li P, Yang Y. Preparation and Application of Decellularized ECM-Based Biological Scaffolds for Articular Cartilage Repair: A Review. Front Bioeng Biotechnol 2022; 10:908082. [PMID: 35845417 PMCID: PMC9280718 DOI: 10.3389/fbioe.2022.908082] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cartilage regeneration is dependent on cellular-extracellular matrix (ECM) interactions. Natural ECM plays a role in mechanical and chemical cell signaling and promotes stem cell recruitment, differentiation and tissue regeneration in the absence of biological additives, including growth factors and peptides. To date, traditional tissue engineering methods by using natural and synthetic materials have not been able to replicate the physiological structure (biochemical composition and biomechanical properties) of natural cartilage. Techniques facilitating the repair and/or regeneration of articular cartilage pose a significant challenge for orthopedic surgeons. Whereas, little progress has been made in this field. In recent years, with advances in medicine, biochemistry and materials science, to meet the regenerative requirements of the heterogeneous and layered structure of native articular cartilage (AC) tissue, a series of tissue engineering scaffolds based on ECM materials have been developed. These scaffolds mimic the versatility of the native ECM in function, composition and dynamic properties and some of which are designed to improve cartilage regeneration. This review systematically investigates the following: the characteristics of cartilage ECM, repair mechanisms, decellularization method, source of ECM, and various ECM-based cartilage repair methods. In addition, the future development of ECM-based biomaterials is hypothesized.
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Affiliation(s)
- Qian Zhang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yixin Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xuan Long
- Department of Obstetrics and Gynecology, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Lingling Hu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Ji Wu
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xiaobing Shi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Runqi Xie
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Yu Bi
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Fangyuan Yu
- Senior Department of Orthopedics, Forth Medical Center of Chinese PLA General Hospital, Beijing, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Pinxue Li
- School of Medicine, Nankai University, Tianjin, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
| | - Yu Yang
- Department of Orthopedics, The Second People’s Hospital of Guiyang, Guiyang, China
- *Correspondence: Fangyuan Yu, ; Pinxue Li, ; Yu Yang,
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Browe DC, Díaz-Payno PJ, Freeman FE, Schipani R, Burdis R, Ahern DP, Nulty JM, Guler S, Randall LD, Buckley CT, Brama PA, Kelly DJ. Bilayered extracellular matrix derived scaffolds with anisotropic pore architecture guide tissue organization during osteochondral defect repair. Acta Biomater 2022; 143:266-281. [PMID: 35278686 DOI: 10.1016/j.actbio.2022.03.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 12/15/2022]
Abstract
While some clinical advances in cartilage repair have occurred, osteochondral (OC) defect repair remains a significant challenge, with current scaffold-based approaches failing to recapitulate the complex, hierarchical structure of native articular cartilage (AC). To address this need, we fabricated bilayered extracellular matrix (ECM)-derived scaffolds with aligned pore architectures. By modifying the freeze-drying kinetics and controlling the direction of heat transfer during freezing, it was possible to produce anisotropic scaffolds with larger pores which supported homogenous cellular infiltration and improved sulfated glycosaminoglycan deposition. Neo-tissue organization in vitro could also be controlled by altering scaffold pore architecture, with collagen fibres aligning parallel to the long-axis of the pores within scaffolds containing aligned pore networks. Furthermore, we used in vitro and in vivo assays to demonstrate that AC and bone ECM derived scaffolds could preferentially direct the differentiation of mesenchymal stromal cells (MSCs) towards either a chondrogenic or osteogenic lineage respectively, enabling the development of bilayered ECM scaffolds capable of spatially supporting unique tissue phenotypes. Finally, we implanted these scaffolds into a large animal model of OC defect repair. After 6 months in vivo, scaffold implantation was found to improve cartilage matrix deposition, with collagen fibres preferentially aligning parallel to the long axis of the scaffold pores, resulting in a repair tissue that structurally and compositionally was more hyaline-like in nature. These results demonstrate how scaffold architecture and composition can be spatially modulated to direct the regeneration of complex interfaces such as the osteochondral unit, enabling their use as cell-free, off-the-shelf implants for joint regeneration. STATEMENT OF SIGNIFICANCE: The architecture of the extracellular matrix, while integral to tissue function, is often neglected in the design and evaluation of regenerative biomaterials. In this study we developed a bilayered scaffold for osteochondral defect repair consisting of tissue-specific extracellular matrix (ECM)-derived biomaterials to spatially direct stem/progenitor cell differentiation, with a tailored pore microarchitecture to promote the development of a repair tissue that recapitulates the hierarchical structure of native AC. The use of this bilayered scaffold resulted in improved tissue repair outcomes in a large animal model, specifically the ability to guide neo-tissue organization and therefore recapitulate key aspects of the zonal structure of native articular cartilage. These bilayer scaffolds have the potential to become a new therapeutic option for osteochondral defect repair.
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Longoni A, Utomo L, Robinson A, Levato R, Rosenberg AJWP, Gawlitta D. Acceleration of Bone Regeneration Induced by a Soft-Callus Mimetic Material. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103284. [PMID: 34962103 PMCID: PMC8867155 DOI: 10.1002/advs.202103284] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 11/12/2021] [Indexed: 06/14/2023]
Abstract
Clinical implementation of endochondral bone regeneration (EBR) would benefit from the engineering of devitalized cartilaginous constructs of allogeneic origins. Nevertheless, development of effective devitalization strategies that preserves extracellular matrix (ECM) is still challenging. The aim of this study is to investigate EBR induced by devitalized, soft callus-mimetic spheroids. To challenge the translatability of this approach, the constructs are generated using an allogeneic cell source. Neo-bone formation is evaluated in an immunocompetent rat model, subcutaneously and in a critical size femur defect. Living spheroids are used as controls. Also, the effect of spheroid maturation towards hypertrophy is evaluated. The devitalization procedure successfully induces cell death without affecting ECM composition or bioactivity. In vivo, a larger amount of neo-bone formation is observed for the devitalized chondrogenic group both ectopically and orthotopically. In the femur defect, accelerated bone regeneration is observed in the devitalized chondrogenic group, where defect bridging is observed 4 weeks post-implantation. The authors' results show, for the first time, a dramatic increase in the rate of bone formation induced by devitalized soft callus-mimetics. These findings pave the way for the development of a new generation of allogeneic, "off-the-shelf" products for EBR, which are suitable for the treatment of every patient.
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Affiliation(s)
- Alessia Longoni
- Department of Oral and Maxillofacial Surgery & Special Dental CareUniversity Medical Center UtrechtUtrecht UniversityG05.222, PO Box 85500Utrecht3508 GAThe Netherlands
- Regenerative Medicine Center UtrechtUtrecht3584 CTThe Netherlands
| | - Lizette Utomo
- Department of Oral and Maxillofacial Surgery & Special Dental CareUniversity Medical Center UtrechtUtrecht UniversityG05.222, PO Box 85500Utrecht3508 GAThe Netherlands
- Regenerative Medicine Center UtrechtUtrecht3584 CTThe Netherlands
- Department of Clinical SciencesFaculty of Veterinary MedicineUtrecht UniversityYalelaan 108Utrecht3584CMThe Netherlands
| | - Abbie Robinson
- Department of Oral and Maxillofacial Surgery & Special Dental CareUniversity Medical Center UtrechtUtrecht UniversityG05.222, PO Box 85500Utrecht3508 GAThe Netherlands
- Regenerative Medicine Center UtrechtUtrecht3584 CTThe Netherlands
| | - Riccardo Levato
- Regenerative Medicine Center UtrechtUtrecht3584 CTThe Netherlands
- Department of Clinical SciencesFaculty of Veterinary MedicineUtrecht UniversityYalelaan 108Utrecht3584CMThe Netherlands
- Department of OrthopaedicsUniversity Medical Center UtrechtUtrecht UniversityUtrecht3508 GAThe Netherlands
| | - Antoine J. W. P. Rosenberg
- Department of Oral and Maxillofacial Surgery & Special Dental CareUniversity Medical Center UtrechtUtrecht UniversityG05.222, PO Box 85500Utrecht3508 GAThe Netherlands
| | - Debby Gawlitta
- Department of Oral and Maxillofacial Surgery & Special Dental CareUniversity Medical Center UtrechtUtrecht UniversityG05.222, PO Box 85500Utrecht3508 GAThe Netherlands
- Regenerative Medicine Center UtrechtUtrecht3584 CTThe Netherlands
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Maia FR, Bastos AR, Oliveira JM, Correlo VM, Reis RL. Recent approaches towards bone tissue engineering. Bone 2022; 154:116256. [PMID: 34781047 DOI: 10.1016/j.bone.2021.116256] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/19/2021] [Accepted: 11/09/2021] [Indexed: 12/17/2022]
Abstract
Bone tissue engineering approaches have evolved towards addressing the challenges of tissue mimetic requirements over the years. Different strategies have been combining scaffolds, cells, and biologically active cues using a wide range of fabrication techniques, envisioning the mimicry of bone tissue. On the one hand, biomimetic scaffold-based strategies have been pursuing different biomaterials to produce scaffolds, combining with diverse and innovative fabrication strategies to mimic bone tissue better, surpassing bone grafts. On the other hand, biomimetic scaffold-free approaches mainly foresee replicating endochondral ossification, replacing hyaline cartilage with new bone. Finally, since bone tissue is highly vascularized, new strategies focused on developing pre-vascularized scaffolds or pre-vascularized cellular aggregates have been a motif of study. The recent biomimetic scaffold-based and scaffold-free approaches in bone tissue engineering, focusing on materials and fabrication methods used, are overviewed herein. The biomimetic vascularized approaches are also discussed, namely the development of pre-vascularized scaffolds and pre-vascularized cellular aggregates.
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Affiliation(s)
- F Raquel Maia
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's PT Government Associate Laboratory, Braga, Guimarães, Portugal.
| | - Ana R Bastos
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Joaquim M Oliveira
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Vitor M Correlo
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's PT Government Associate Laboratory, Braga, Guimarães, Portugal
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Cao H, Wang X, Chen M, Liu Y, Cui X, Liang J, Wang Q, Fan Y, Zhang X. Childhood Cartilage ECM Enhances the Chondrogenesis of Endogenous Cells and Subchondral Bone Repair of the Unidirectional Collagen-dECM Scaffolds in Combination with Microfracture. ACS APPLIED MATERIALS & INTERFACES 2021; 13:57043-57057. [PMID: 34806361 DOI: 10.1021/acsami.1c19447] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Despite the formation of mechanically inferior fibrocartilage, microfracture (MF) still remains the gold standard to repair the articular cartilage defects in clinical settings. To date, although many tissue-engineering scaffolds have been developed to enhance the MF outcome, the clinical outcomes remain inconsistent. Decellularized extracellular matrix (dECM) is among the most promising scaffold for cartilage repair due to its inheritance of the natural cartilage components. However, the impact of dECM from different developmental stages on cellular chondrogenesis and therapeutic effect remains elusive, as the development of native cartilage involves the distinct temporal dependency of the ECM components and various growth factors. Herein, we hypothesized that the immature cartilage dECM at various developmental stages was inherently different, and would consequently impact the chondrogenic potential BMSCs. In this study, we fabricated three different unidirectional collagen-dECM scaffolds sourced from neonatal, childhood, and adolescent rabbit cartilage tissues, and identified the age-dependent biological variations, including DNA, cartilage-specific proteins, and growth factors; along with the mechanical and degradation differences. Consequently, the different local cellular microenvironments provided by these scaffolds led to the distinctive cell morphology, circularity, proliferation, chondrogenic genes expression, and chondrogenesis of BMSCs in vitro, and the different gross morphology, cartilage-specific protein production, and subchondral bone repair when in combination with microfracture in vivo. Together, this work highlights the immature cartilage dECM at different developmental stages that would result in the diversified effects to BMSCs, and childhood cartilage would be considered the optimal dECM source for the further development of dECM-based tissue engineering scaffolds in articular cartilage repair.
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Affiliation(s)
- Hongfu Cao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
| | - Xiuyu Wang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Manyu Chen
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
| | - Yuhan Liu
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Xiaolin Cui
- Department of Orthopaedic Surgery, University of Otago, Christchurch, 8011, New Zealand
- Department of Bone and Joint, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116000, China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
| | - Qiguang Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
- College of Biomedical Engineering, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610065, China
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9
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Lin S, He Y, Tao M, Wang A, Ao Q. Fabrication and evaluation of an optimized xenogenic decellularized costal cartilage graft: preclinical studies of a novel biocompatible prosthesis for rhinoplasty. Regen Biomater 2021; 8:rbab052. [PMID: 34584748 PMCID: PMC8473975 DOI: 10.1093/rb/rbab052] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/21/2021] [Accepted: 09/02/2021] [Indexed: 12/31/2022] Open
Abstract
On account of the poor biocompatibility of synthetic prosthesis, millions of rhinoplasty recipients have been forced to choose autologous costal cartilage as grafts, which suffer from limited availability, morbidity at the donor site and prolonged operation time. Here, as a promising alternative to autologous costal cartilage, we developed a novel xenogeneic costal cartilage and explored its feasibility as a rhinoplasty graft for the first time. Adopting an improved decellularization protocol, in which the ionic detergent was substituted by trypsin, the resulting decellularized graft was confirmed to preserve more structural components and better mechanics, and eliminate cellular components effectively. The in vitro and in vivo compatibility experiments demonstrated that the decellularized graft showed excellent biocompatibility and biosecurity. Additionally, the functionality assessment of rhinoplasty was performed in a rabbit model, and the condition of grafts after implantation was comprehensively evaluated. The optimized graft exhibited better capacity to reduce the degradation rate and maintain the morphology, in comparison to the decellularized costal cartilage prepared by conventional protocol. These findings indicate that this optimized graft derived from decellularized xenogeneic costal cartilage provides a new prospective for future investigations of rhinoplasty prosthesis and has great potential for clinical application.
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Affiliation(s)
- Shuang Lin
- Department of Plastic Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 11004, China.,Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
| | - Yuanjia He
- Department of Stomatology, The Fourth Affiliated Hospital of China Medical University, 4 Chongshan East Road, Shenyang 110033, China
| | - Meihan Tao
- Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
| | - Aijun Wang
- Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Qiang Ao
- Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China.,Institute of Regulatory Science for Medical Device, National Engineering Research Center for Biomaterials, Sichuan University, 24 Yihuan Street, Chengdu 610065, China
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10
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Chu W, Hu G, Peng L, Zhang W, Ma Z. The use of a novel deer antler decellularized cartilage-derived matrix scaffold for repair of osteochondral defects. J Biol Eng 2021; 15:23. [PMID: 34479610 PMCID: PMC8414868 DOI: 10.1186/s13036-021-00274-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/16/2021] [Indexed: 01/17/2023] Open
Abstract
Background The physiologic regenerative capacity of cartilage is severely limited. Current studies on the repair of osteochondral defects (OCDs) have mainly focused on the regeneration of cartilage tissues. The antler cartilage is a unique regenerative cartilage that has the potential for cartilage repair. Methods Antler decellularized cartilage-derived matrix scaffolds (adCDMs) were prepared by combining freezing-thawing and enzymatic degradation. Their DNA, glycosaminoglycans (GAGs), and collagen content were then detected. Biosafety and biocompatibility were evaluated by pyrogen detection, hemolysis analysis, cytotoxicity evaluation, and subcutaneous implantation experiments. adCDMs were implanted into rabbit articular cartilage defects for 2 months to evaluate their therapeutic effects. Results AdCDMs were observed to be rich in collagen and GAGs and devoid of cells. AdCDMs were also determined to have good biosafety and biocompatibility. Both four- and eight-week treatments of OCDs showed a flat and smooth surface of the healing cartilage at the adCDMs filled site. The international cartilage repair society scores (ICRS) of adCDMs were significantly higher than those of controls (porcine dCDMs and normal saline) (p < 0.05). The repaired tissue in the adCDM group was fibrotic with high collagen, specifically, type II collagen. Conclusions We concluded that adCDMs could achieve excellent cartilage regeneration repair in a rabbit knee OCDs model. Our study stresses the importance and benefits of adCDMs in bone formation and overall anatomical reconstitution, and it provides a novel source for developing cartilage-regenerating repair materials. Supplementary Information The online version contains supplementary material available at 10.1186/s13036-021-00274-5.
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Affiliation(s)
- Wenhui Chu
- School of Life Science, Taizhou University, 1139 Shifu Avenue, Jiaojiang District, Zhejiang, 318000, Taizhou, China
| | - Gaowei Hu
- School of Life Science, Taizhou University, 1139 Shifu Avenue, Jiaojiang District, Zhejiang, 318000, Taizhou, China
| | - Lin Peng
- School of Life Science, Taizhou University, 1139 Shifu Avenue, Jiaojiang District, Zhejiang, 318000, Taizhou, China
| | - Wei Zhang
- Post-Doctoral Innovation Site, Jinan University Affiliation, Yuanzhi Health Technology Co, Ltd, Hengqin New District, 519000, Zhuhai, Guangdong, China. .,Medical Imaging Center, The First Affiliated Hospital of Jinan University, Jinan University, 613 Huangpu Avenue West, Tianhe District, Guangdong, 510080, Guangzhou, China.
| | - Zhe Ma
- School of Life Science, Taizhou University, 1139 Shifu Avenue, Jiaojiang District, Zhejiang, 318000, Taizhou, China.
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11
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Amini Z, Lari R. A systematic review of decellularized allograft and xenograft–derived scaffolds in bone tissue regeneration. Tissue Cell 2021; 69:101494. [DOI: 10.1016/j.tice.2021.101494] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 01/09/2021] [Accepted: 01/10/2021] [Indexed: 12/26/2022]
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12
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Zhao X, Hu DA, Wu D, He F, Wang H, Huang L, Shi D, Liu Q, Ni N, Pakvasa M, Zhang Y, Fu K, Qin KH, Li AJ, Hagag O, Wang EJ, Sabharwal M, Wagstaff W, Reid RR, Lee MJ, Wolf JM, El Dafrawy M, Hynes K, Strelzow J, Ho SH, He TC, Athiviraham A. Applications of Biocompatible Scaffold Materials in Stem Cell-Based Cartilage Tissue Engineering. Front Bioeng Biotechnol 2021; 9:603444. [PMID: 33842441 PMCID: PMC8026885 DOI: 10.3389/fbioe.2021.603444] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 02/08/2021] [Indexed: 12/16/2022] Open
Abstract
Cartilage, especially articular cartilage, is a unique connective tissue consisting of chondrocytes and cartilage matrix that covers the surface of joints. It plays a critical role in maintaining joint durability and mobility by providing nearly frictionless articulation for mechanical load transmission between joints. Damage to the articular cartilage frequently results from sport-related injuries, systemic diseases, degeneration, trauma, or tumors. Failure to treat impaired cartilage may lead to osteoarthritis, affecting more than 25% of the adult population globally. Articular cartilage has a very low intrinsic self-repair capacity due to the limited proliferative ability of adult chondrocytes, lack of vascularization and innervation, slow matrix turnover, and low supply of progenitor cells. Furthermore, articular chondrocytes are encapsulated in low-nutrient, low-oxygen environment. While cartilage restoration techniques such as osteochondral transplantation, autologous chondrocyte implantation (ACI), and microfracture have been used to repair certain cartilage defects, the clinical outcomes are often mixed and undesirable. Cartilage tissue engineering (CTE) may hold promise to facilitate cartilage repair. Ideally, the prerequisites for successful CTE should include the use of effective chondrogenic factors, an ample supply of chondrogenic progenitors, and the employment of cell-friendly, biocompatible scaffold materials. Significant progress has been made on the above three fronts in past decade, which has been further facilitated by the advent of 3D bio-printing. In this review, we briefly discuss potential sources of chondrogenic progenitors. We then primarily focus on currently available chondrocyte-friendly scaffold materials, along with 3D bioprinting techniques, for their potential roles in effective CTE. It is hoped that this review will serve as a primer to bring cartilage biologists, synthetic chemists, biomechanical engineers, and 3D-bioprinting technologists together to expedite CTE process for eventual clinical applications.
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Affiliation(s)
- Xia Zhao
- Department of Orthopaedic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Daniel A Hu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Di Wu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Fang He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Department of Nephrology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hao Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Linjuan Huang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Department of Nephrology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Deyao Shi
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Department of Orthopaedic Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Liu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Department of Spine Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Na Ni
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine, Chongqing Medical University, Chongqing, China
| | - Mikhail Pakvasa
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Yongtao Zhang
- Department of Orthopaedic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China.,Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Kai Fu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Departments of Neurosurgery, The Affiliated Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kevin H Qin
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Alexander J Li
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Ofir Hagag
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Eric J Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Maya Sabharwal
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - William Wagstaff
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Russell R Reid
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States.,Department of Surgery, Section of Plastic Surgery, The University of Chicago Medical Center, Chicago, IL, United States
| | - Michael J Lee
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Jennifer Moriatis Wolf
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Mostafa El Dafrawy
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Kelly Hynes
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Jason Strelzow
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Sherwin H Ho
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Aravind Athiviraham
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
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13
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Fu R, Liu C, Yan Y, Li Q, Huang RL. Bone defect reconstruction via endochondral ossification: A developmental engineering strategy. J Tissue Eng 2021; 12:20417314211004211. [PMID: 33868628 PMCID: PMC8020769 DOI: 10.1177/20417314211004211] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 02/05/2023] Open
Abstract
Traditional bone tissue engineering (BTE) strategies induce direct bone-like matrix formation by mimicking the embryological process of intramembranous ossification. However, the clinical translation of these clinical strategies for bone repair is hampered by limited vascularization and poor bone regeneration after implantation in vivo. An alternative strategy for overcoming these drawbacks is engineering cartilaginous constructs by recapitulating the embryonic processes of endochondral ossification (ECO); these constructs have shown a unique ability to survive under hypoxic conditions as well as induce neovascularization and ossification. Such developmentally engineered constructs can act as transient biomimetic templates to facilitate bone regeneration in critical-sized defects. This review introduces the concept and mechanism of developmental BTE, explores the routes of endochondral bone graft engineering, highlights the current state of the art in large bone defect reconstruction via ECO-based strategies, and offers perspectives on the challenges and future directions of translating current knowledge from the bench to the bedside.
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Affiliation(s)
- Rao Fu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chuanqi Liu
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yuxin Yan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ru-Lin Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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14
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Cartilage tissue engineering for craniofacial reconstruction. Arch Plast Surg 2020; 47:392-403. [PMID: 32971590 PMCID: PMC7520235 DOI: 10.5999/aps.2020.01095] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 07/14/2020] [Indexed: 12/16/2022] Open
Abstract
Severe cartilage defects and congenital anomalies affect millions of people and involve considerable medical expenses. Tissue engineering offers many advantages over conventional treatments, as therapy can be tailored to specific defects using abundant bioengineered resources. This article introduces the basic concepts of cartilage tissue engineering and reviews recent progress in the field, with a focus on craniofacial reconstruction and facial aesthetics. The basic concepts of tissue engineering consist of cells, scaffolds, and stimuli. Generally, the cartilage tissue engineering process includes the following steps: harvesting autologous chondrogenic cells, cell expansion, redifferentiation, in vitro incubation with a scaffold, and transfer to patients. Despite the promising prospects of cartilage tissue engineering, problems and challenges still exist due to certain limitations. The limited proliferation of chondrocytes and their tendency to dedifferentiate necessitate further developments in stem cell technology and chondrocyte molecular biology. Progress should be made in designing fully biocompatible scaffolds with a minimal immune response to regenerate tissue effectively.
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15
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Golafshan N, Vorndran E, Zaharievski S, Brommer H, Kadumudi FB, Dolatshahi-Pirouz A, Gbureck U, van Weeren R, Castilho M, Malda J. Tough magnesium phosphate-based 3D-printed implants induce bone regeneration in an equine defect model. Biomaterials 2020; 261:120302. [PMID: 32932172 PMCID: PMC7116184 DOI: 10.1016/j.biomaterials.2020.120302] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/16/2020] [Accepted: 08/04/2020] [Indexed: 12/25/2022]
Abstract
One of the important challenges in bone tissue engineering is the development of biodegradable bone substitutes with appropriate mechanical and biological properties for the treatment of larger defects and those with complex shapes. Recently, magnesium phosphate (MgP) doped with biologically active ions like strontium (Sr2+) have shown to significantly enhance bone formation when compared with the standard calcium phosphate-based ceramics. However, such materials can hardly be shaped into large and complex geometries and more importantly lack the adequate mechanical properties for the treatment of load-bearing bone defects. In this study, we have fabricated bone implants through extrusion assisted three-dimensional (3D) printing of MgP ceramics modified with Sr2+ ions (MgPSr) and a medical-grade polycaprolactone (PCL) polymer phase. MgPSr with 30 wt% PCL (MgPSr-PCL30) allowed the printability of relevant size structures (>780 mm3) at room temperature with an interconnected macroporosity of approximately 40%. The printing resulted in implants with a compressive strength of 4.3 MPa, which were able to support up to 50 cycles of loading without plastic deformation. Notably, MgPSr-PCL30 scaffolds were able to promote in vitro bone formation in medium without the supplementation with osteo-inducing components. In addition, long-term in vivo performance of the 3D printed scaffolds was investigated in an equine tuber coxae model over 6 months. The micro-CT and histological analysis showed that implantation of MgPSr-PCL30 induced bone regeneration, while no bone formation was observed in the empty defects. Overall, the novel polymer-modified MgP ceramic material and extrusion-based 3D printing process presented here greatly improved the shape ability and load-bearing properties of MgP-based ceramics with simultaneous induction of new bone formation.
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Affiliation(s)
- Nasim Golafshan
- Department of Orthopedics, University Medical Center Utrecht, GA, Utrecht, the Netherlands; Regenerative Medicine Utrecht, Utrecht, the Netherlands
| | - Elke Vorndran
- Department for Functional Materials in Medicine and Dentistry, University of Wurzburg, Germany
| | - Stefan Zaharievski
- Department of Orthopedics, University Medical Center Utrecht, GA, Utrecht, the Netherlands; Regenerative Medicine Utrecht, Utrecht, the Netherlands
| | - Harold Brommer
- Department of Equine Sciences, Faculty of Veterinary Sciences, Utrecht University, the Netherlands
| | - Firoz Babu Kadumudi
- Technical University of Denmark, Department of Health Technology, 2800 Kgs, Lyngby, Denmark
| | - Alireza Dolatshahi-Pirouz
- Technical University of Denmark, Department of Health Technology, Center for Intestinal Absorption and Transport of Biopharmaceuticals, 2800 Kgs, Lyngby, Denmark; Department of Regenerative Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, Nijmegen, 6525 EX, the Netherlands
| | - Uwe Gbureck
- Department for Functional Materials in Medicine and Dentistry, University of Wurzburg, Germany
| | - René van Weeren
- Department of Equine Sciences, Faculty of Veterinary Sciences, Utrecht University, the Netherlands
| | - Miguel Castilho
- Department of Orthopedics, University Medical Center Utrecht, GA, Utrecht, the Netherlands; Regenerative Medicine Utrecht, Utrecht, the Netherlands; Orthopedic Biomechanics, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands.
| | - Jos Malda
- Department of Orthopedics, University Medical Center Utrecht, GA, Utrecht, the Netherlands; Regenerative Medicine Utrecht, Utrecht, the Netherlands; Department of Equine Sciences, Faculty of Veterinary Sciences, Utrecht University, the Netherlands
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16
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Liu Q, Li XJ, Wang ZS. [Effects of porcine acellular cartilaginous matrix on the proliferation and differentiation of human adipose-derived stromal cells]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2020; 38:122-127. [PMID: 32314882 DOI: 10.7518/hxkq.2020.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
OBJECTIVE This study aimed to evaluate the effects of porcine acellular cartilaginous matrix (pACM) on the proliferation and differentiation of human adipose-derived stromal cells (hADSCs). METHODS pACM was prepared from porcine articular cartilage through decellularization treatment. hADSCs were isolated from human adipose tissues and cultured with different pACM concentrations. No pACM was used as the control group. The effect of pACM on hADSCs proliferation was detected by CCK-8 method. Moreover, the effect of pACM on hADSCs chondrogenic differentiation was analyzed through fluorescence quantitative polymerase chain reaction and Western blot. RESULTS hADSCs proliferation rate in 0.5, 1.0, and 2.0 mg·mL⁻¹ pACM groups was not significantly different from that in the control group, whereas that in 4.0 and 8.0 mg·mL⁻¹ pACM group was lower than that in the control group (P<0.05). The expression levels of pACM chondrogenic genes, including SOX-9, collagen type Ⅱ alpha 1 chain (COL2A1), and aggrecan (ACAN) and cell adhesion-related gene LAMININ in 0.5, 1.0, and 2.0 mg·mL⁻¹ pACM group were higher than those of the control group (P<0.05), but that of a stemness-related gene Notch-1 was lower than that of the control group (P<0.05). No statistical difference was found in the expression of a lipogenesis-related gene peroxisome proliferator-activated receptor-γ (PPAr-γ) (P>0.05). The expression levels of chondrogenic proteins (SOX-9, COL2A1, and ACAN) were higher than those of the control group (P<0.05). CONCLUSIONS Appropriate pACM con-centrations do not affect hADSCs proliferation but can induce hADSCs chondrogenic differentiation.
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Affiliation(s)
- Qian Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shanxi Key Laboratory of Stomatology, Dept. of Prosthodontics, School of Stomatology, Air Force Medical University, Xi'an 710032, China
| | - Xue-Jian Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shanxi Key Laboratory of Stomatology, Dept. of Prosthodontics, School of Stomatology, Air Force Medical University, Xi'an 710032, China
| | - Zhong-Shan Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shanxi Key Laboratory of Stomatology, Dept. of Prosthodontics, School of Stomatology, Air Force Medical University, Xi'an 710032, China
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17
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Freeman FE, Brennan MÁ, Browe DC, Renaud A, De Lima J, Kelly DJ, McNamara LM, Layrolle P. A Developmental Engineering-Based Approach to Bone Repair: Endochondral Priming Enhances Vascularization and New Bone Formation in a Critical Size Defect. Front Bioeng Biotechnol 2020; 8:230. [PMID: 32296687 PMCID: PMC7137087 DOI: 10.3389/fbioe.2020.00230] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/05/2020] [Indexed: 12/17/2022] Open
Abstract
There is a distinct clinical need for new therapies that provide an effective treatment for large bone defect repair. Herein we describe a developmental approach, whereby constructs are primed to mimic certain aspects of bone formation that occur during embryogenesis. Specifically, we directly compared the bone healing potential of unprimed, intramembranous, and endochondral primed MSC-laden polycaprolactone (PCL) scaffolds. To generate intramembranous constructs, MSC-seeded PCL scaffolds were exposed to osteogenic growth factors, while endochondral constructs were exposed to chondrogenic growth factors to generate a cartilage template. Eight weeks after implantation into a cranial critical sized defect in mice, there were significantly more vessels present throughout defects treated with endochondral constructs compared to intramembranous constructs. Furthermore, 33 and 50% of the animals treated with the intramembranous and endochondral constructs respectively, had full bone union along the sagittal suture line, with significantly higher levels of bone healing than the unprimed group. Having demonstrated the potential of endochondral priming but recognizing that only 50% of animals completely healed after 8 weeks, we next sought to examine if we could further accelerate the bone healing capacity of the constructs by pre-vascularizing them in vitro prior to implantation. The addition of endothelial cells alone significantly reduced the healing capacity of the constructs. The addition of a co-culture of endothelial cells and MSCs had no benefit to either the vascularization or mineralization potential of the scaffolds. Together, these results demonstrate that endochondral priming alone is enough to induce vascularization and subsequent mineralization in a critical-size defect.
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Affiliation(s)
- Fiona E Freeman
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland.,Biomechanics Research Centre (BMEC), Biomedical Engineering, National University of Ireland Galway, Galway, Ireland
| | - Meadhbh Á Brennan
- INSERM, UMR 1238, PHY-OS, Laboratory of Bone Sarcomas and Remodelling of Calcified Tissues, Faculty of Medicine, University of Nantes, Nantes, France
| | - David C Browe
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
| | - Audrey Renaud
- INSERM, UMR 1238, PHY-OS, Laboratory of Bone Sarcomas and Remodelling of Calcified Tissues, Faculty of Medicine, University of Nantes, Nantes, France
| | - Julien De Lima
- INSERM, UMR 1238, PHY-OS, Laboratory of Bone Sarcomas and Remodelling of Calcified Tissues, Faculty of Medicine, University of Nantes, Nantes, France
| | - Daniel J Kelly
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.,Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland.,Department of Anatomy, Royal College of Surgeons in Ireland, Dublin, Ireland.,Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
| | - Laoise M McNamara
- Biomechanics Research Centre (BMEC), Biomedical Engineering, National University of Ireland Galway, Galway, Ireland
| | - Pierre Layrolle
- INSERM, UMR 1238, PHY-OS, Laboratory of Bone Sarcomas and Remodelling of Calcified Tissues, Faculty of Medicine, University of Nantes, Nantes, France
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18
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Lim T, Tang Q, Zhu ZZ, Feng Y, Zhan S, Wei XJ, Zhang CQ. A decellularized scaffold derived from squid cranial cartilage for use in cartilage tissue engineering. J Mater Chem B 2020; 8:4516-4526. [PMID: 32373898 DOI: 10.1039/d0tb00483a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Decellularized cartilage scaffold (DCS) is an emerging substitute for cartilage defect application.
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Affiliation(s)
- Thou Lim
- Department of Orthopedic Surgery
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Qian Tang
- Department of Orthopedic Surgery
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Zhen-Zhong Zhu
- Department of Orthopedic Surgery
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Yong Feng
- Department of Orthopedic Surgery
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Shi Zhan
- Institute of Microsurgery on Extremities
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Xiao-Juan Wei
- Institute of Microsurgery on Extremities
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
| | - Chang-Qing Zhang
- Department of Orthopedic Surgery
- Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital
- Shanghai 200233
- China
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19
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Browe DC, Mahon OR, Díaz‐Payno PJ, Cassidy N, Dudurych I, Dunne A, Buckley CT, Kelly DJ. Glyoxal cross‐linking of solubilized extracellular matrix to produce highly porous, elastic, and chondro‐permissive scaffolds for orthopedic tissue engineering. J Biomed Mater Res A 2019; 107:2222-2234. [DOI: 10.1002/jbm.a.36731] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 05/03/2019] [Accepted: 05/09/2019] [Indexed: 12/13/2022]
Affiliation(s)
- David C. Browe
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
- Department of Mechanical and Manufacturing Engineering, School of EngineeringTrinity College Dublin Dublin Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER)Royal College of Surgeons in Ireland and Trinity College Dublin Dublin Ireland
| | - Olwyn R. Mahon
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
- School of Biochemistry and Immunology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin Dublin Ireland
| | - Pedro J. Díaz‐Payno
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
- Department of Mechanical and Manufacturing Engineering, School of EngineeringTrinity College Dublin Dublin Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER)Royal College of Surgeons in Ireland and Trinity College Dublin Dublin Ireland
| | - Nina Cassidy
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
| | - Ivan Dudurych
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
| | - Aisling Dunne
- School of Biochemistry and Immunology, School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin Dublin Ireland
| | - Conor T. Buckley
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
- Department of Mechanical and Manufacturing Engineering, School of EngineeringTrinity College Dublin Dublin Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER)Royal College of Surgeons in Ireland and Trinity College Dublin Dublin Ireland
| | - Daniel J. Kelly
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences InstituteTrinity College Dublin Dublin Ireland
- Department of Mechanical and Manufacturing Engineering, School of EngineeringTrinity College Dublin Dublin Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER)Royal College of Surgeons in Ireland and Trinity College Dublin Dublin Ireland
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20
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Sheehy E, Kelly D, O'Brien F. Biomaterial-based endochondral bone regeneration: a shift from traditional tissue engineering paradigms to developmentally inspired strategies. Mater Today Bio 2019; 3:100009. [PMID: 32159148 PMCID: PMC7061547 DOI: 10.1016/j.mtbio.2019.100009] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 02/06/2023] Open
Abstract
There is an urgent, clinical need for an alternative to the use of autologous grafts for the ever increasing number of bone grafting procedures performed annually. Herein, we describe a developmentally inspired approach to bone tissue engineering, which focuses on leveraging biomaterials as platforms for recapitulating the process of endochondral ossification. To begin, we describe the traditional biomaterial-based approaches to tissue engineering that have been investigated as methods to promote in vivo bone regeneration, including the use of three-dimensional biomimetic scaffolds, the delivery of growth factors and recombinant proteins, and the in vitro engineering of mineralized bone-like tissue. Thereafter, we suggest that some of the hurdles encountered by these traditional tissue engineering approaches may be circumvented by modulating the endochondral route to bone repair and, to that end, we assess various biomaterials that can be used in combination with cells and signaling factors to engineer hypertrophic cartilaginous grafts capable of promoting endochondral bone formation. Finally, we examine the emerging trends in biomaterial-based approaches to endochondral bone regeneration, such as the engineering of anatomically shaped templates for bone and osteochondral tissue engineering, the fabrication of mechanically reinforced constructs using emerging three-dimensional bioprinting techniques, and the generation of gene-activated scaffolds, which may accelerate the field towards its ultimate goal of clinically successful bone organ regeneration.
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Affiliation(s)
- E.J. Sheehy
- Tissue Engineering Research Group (TERG), Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
| | - D.J. Kelly
- Tissue Engineering Research Group (TERG), Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
| | - F.J. O'Brien
- Tissue Engineering Research Group (TERG), Department of Anatomy and Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- Trinity Centre for Biomedical Engineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin, Ireland
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21
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Rathan S, Dejob L, Schipani R, Haffner B, Möbius ME, Kelly DJ. Fiber Reinforced Cartilage ECM Functionalized Bioinks for Functional Cartilage Tissue Engineering. Adv Healthc Mater 2019; 8:e1801501. [PMID: 30624015 DOI: 10.1002/adhm.201801501] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Indexed: 01/17/2023]
Abstract
Focal articular cartilage (AC) defects, if left untreated, can lead to debilitating diseases such as osteoarthritis. While several tissue engineering strategies have been developed to promote cartilage regeneration, it is still challenging to generate functional AC capable of sustaining high load-bearing environments. Here, a new class of cartilage extracellular matrix (cECM)-functionalized alginate bioink is developed for the bioprinting of cartilaginous tissues. The bioinks are 3D-printable, support mesenchymal stem cell (MSC) viability postprinting and robust chondrogenesis in vitro, with the highest levels of COLLII and ACAN expression observed in bioinks containing the highest concentration of cECM. Enhanced chondrogenesis in cECM-functionalized bioinks is also associated with progression along an endochondral-like pathway, as evident by increases in RUNX2 expression and calcium deposition in vitro. The bioinks loaded with MSCs and TGF-β3 are also found capable of supporting robust chondrogenesis, opening the possibility of using such bioinks for direct "print-and-implant" cartilage repair strategies. Finally, it is demonstrated that networks of 3D-printed polycaprolactone fibers with compressive modulus comparable to native AC can be used to mechanically reinforce these bioinks, with no loss in cell viability. It is envisioned that combinations of such biomaterials can be used in multiple-tool biofabrication strategies for the bioprinting of biomimetic cartilaginous implants.
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Affiliation(s)
- Swetha Rathan
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin 2, Ireland
| | - Léa Dejob
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Ecole Nationale Supérieure de Chimie de Mulhouse, Université de Haute-Alsace, 68200, Mulhouse, France
| | - Rossana Schipani
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin 2, Ireland
| | | | | | - Daniel J Kelly
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
- Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Dublin 2, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), Royal College of Surgeons in Ireland and Trinity College Dublin, Dublin 2, Ireland
- Department of Anatomy, Royal College of Surgeons in Ireland, Dublin 2, Ireland
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22
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Kim YS, Majid M, Melchiorri AJ, Mikos AG. Applications of decellularized extracellular matrix in bone and cartilage tissue engineering. Bioeng Transl Med 2019; 4:83-95. [PMID: 30680321 PMCID: PMC6336671 DOI: 10.1002/btm2.10110] [Citation(s) in RCA: 159] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/30/2018] [Accepted: 07/31/2018] [Indexed: 12/12/2022] Open
Abstract
Regenerative therapies for bone and cartilage injuries are currently unable to replicate the complex microenvironment of native tissue. There are many tissue engineering approaches attempting to address this issue through the use of synthetic materials. Although synthetic materials can be modified to simulate the mechanical and biochemical properties of the cell microenvironment, they do not mimic in full the multitude of interactions that take place within tissue. Decellularized extracellular matrix (dECM) has been established as a biomaterial that preserves a tissue's native environment, promotes cell proliferation, and provides cues for cell differentiation. The potential of dECM as a therapeutic agent is rising, but there are many limitations of dECM restricting its use. This review discusses the recent progress in the utilization of bone and cartilage dECM through applications as scaffolds, particles, and supplementary factors in bone and cartilage tissue engineering.
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Affiliation(s)
- Yu Seon Kim
- Dept. of BioengineeringRice UniversityHoustonTX 77005
| | - Marjan Majid
- Dept. of BioengineeringRice UniversityHoustonTX 77005
| | | | - Antonios G. Mikos
- Dept. of BioengineeringRice UniversityHoustonTX 77005
- Biomaterials LabRice UniversityHoustonTX 77005
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23
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Petersen A, Princ A, Korus G, Ellinghaus A, Leemhuis H, Herrera A, Klaumünzer A, Schreivogel S, Woloszyk A, Schmidt-Bleek K, Geissler S, Heschel I, Duda GN. A biomaterial with a channel-like pore architecture induces endochondral healing of bone defects. Nat Commun 2018; 9:4430. [PMID: 30361486 PMCID: PMC6202397 DOI: 10.1038/s41467-018-06504-7] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 08/30/2018] [Indexed: 12/22/2022] Open
Abstract
Biomaterials developed to treat bone defects have classically focused on bone healing via direct, intramembranous ossification. In contrast, most bones in our body develop from a cartilage template via a second pathway called endochondral ossification. The unsolved clinical challenge to regenerate large bone defects has brought endochondral ossification into discussion as an alternative approach for bone healing. However, a biomaterial strategy for the regeneration of large bone defects via endochondral ossification is missing. Here we report on a biomaterial with a channel-like pore architecture to control cell recruitment and tissue patterning in the early phase of healing. In consequence of extracellular matrix alignment, CD146+ progenitor cell accumulation and restrained vascularization, a highly organized endochondral ossification process is induced in rats. Our findings demonstrate that a pure biomaterial approach has the potential to recapitulate a developmental bone growth process for bone healing. This might motivate future strategies for biomaterial-based tissue regeneration.
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Affiliation(s)
- A Petersen
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
| | - A Princ
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - G Korus
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - A Ellinghaus
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - H Leemhuis
- Matricel GmbH, Kaiserstrasse 100, 52134, Herzogenrath, Germany
| | - A Herrera
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - A Klaumünzer
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - S Schreivogel
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - A Woloszyk
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Department of Orthopaedic Surgery, University of Texas Health Science Center San Antonio, 7703 Floyd Curl Dr, 78229, San Antonio, TX, USA
| | - K Schmidt-Bleek
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - S Geissler
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - I Heschel
- Matricel GmbH, Kaiserstrasse 100, 52134, Herzogenrath, Germany
| | - G N Duda
- Julius Wolff Institute, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg Center for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Berlin-Brandenburg School for Regenerative Therapies, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
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24
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Guruswamy Damodaran R, Vermette P. Tissue and organ decellularization in regenerative medicine. Biotechnol Prog 2018; 34:1494-1505. [PMID: 30294883 DOI: 10.1002/btpr.2699] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 04/30/2018] [Indexed: 12/22/2022]
Abstract
The advancement and improvement in decellularization methods can be attributed to the increasing demand for tissues and organs for transplantation. Decellularized tissues and organs, which are free of cells and genetic materials while retaining the complex ultrastructure of the extracellular matrix (ECM), can serve as scaffolds to subsequently embed cells for transplantation. They have the potential to mimic the native physiology of the targeted anatomic site. ECM from different tissues and organs harvested from various sources have been applied. Many techniques are currently involved in the decellularization process, which come along with their own advantages and disadvantages. This review focuses on recent developments in decellularization methods, the importance and nature of detergents used for decellularization, as well as on the role of the ECM either as merely a physical support or as a scaffold in retaining and providing cues for cell survival, differentiation and homeostasis. In addition, application, status, and perspectives on commercialization of bioproducts derived from decellularized tissues and organs are addressed. © 2018 American Institute of Chemical Engineers Biotechnol. Prog., 34:1494-1505, 2018.
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Affiliation(s)
- Rajesh Guruswamy Damodaran
- Laboratoire de bio-ingénierie et de biophysique de l'Université de Sherbrooke, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 Boul. de l'Université, Sherbrooke, QC, J1K 2R1, Canada.,Pharmacology Institute of Sherbrooke, Faculté de médecine et des sciences de la santé, 3001 12ième Avenue Nord, Sherbrooke, Québec, J1H 5N4, Canada.,Research Centre on Aging, Institut universitaire de gériatrie de Sherbrooke, 1036 rue Belvédère Sud, Sherbrooke, Québec, J1H 4C4, Canada
| | - Patrick Vermette
- Laboratoire de bio-ingénierie et de biophysique de l'Université de Sherbrooke, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 Boul. de l'Université, Sherbrooke, QC, J1K 2R1, Canada.,Pharmacology Institute of Sherbrooke, Faculté de médecine et des sciences de la santé, 3001 12ième Avenue Nord, Sherbrooke, Québec, J1H 5N4, Canada.,Research Centre on Aging, Institut universitaire de gériatrie de Sherbrooke, 1036 rue Belvédère Sud, Sherbrooke, Québec, J1H 4C4, Canada
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25
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Rowland CR, Glass KA, Ettyreddy AR, Gloss CC, Matthews JRL, Huynh NPT, Guilak F. Regulation of decellularized tissue remodeling via scaffold-mediated lentiviral delivery in anatomically-shaped osteochondral constructs. Biomaterials 2018; 177:161-175. [PMID: 29894913 PMCID: PMC6082159 DOI: 10.1016/j.biomaterials.2018.04.049] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/17/2018] [Accepted: 04/24/2018] [Indexed: 01/25/2023]
Abstract
Cartilage-derived matrix (CDM) has emerged as a promising scaffold material for tissue engineering of cartilage and bone due to its native chondroinductive capacity and its ability to support endochondral ossification. Because it consists of native tissue, CDM can undergo cellular remodeling, which can promote integration with host tissue and enables it to be degraded and replaced by neotissue over time. However, enzymatic degradation of decellularized tissues can occur unpredictably and may not allow sufficient time for mechanically competent tissue to form, especially in the harsh inflammatory environment of a diseased joint. The goal of the current study was to engineer cartilage and bone constructs with the ability to inhibit aberrant inflammatory processes caused by the cytokine interleukin-1 (IL-1), through scaffold-mediated delivery of lentiviral particles containing a doxycycline-inducible IL-1 receptor antagonist (IL-1Ra) transgene on anatomically-shaped CDM constructs. Additionally, scaffold-mediated lentiviral gene delivery was used to facilitate spatial organization of simultaneous chondrogenic and osteogenic differentiation via site-specific transduction of a single mesenchymal stem cell (MSC) population to overexpress either chondrogenic, transforming growth factor-beta 3 (TGF-β3), or osteogenic, bone morphogenetic protein-2 (BMP-2), transgenes. Controlled induction of IL-1Ra expression protected CDM hemispheres from inflammation-mediated degradation, and supported robust bone and cartilage tissue formation even in the presence of IL-1. In the absence of inflammatory stimuli, controlled cellular remodeling was exploited as a mechanism for fusing concentric CDM hemispheres overexpressing BMP-2 and TGF-β3 into a single bi-layered osteochondral construct. Our findings demonstrate that site-specific delivery of inducible and tunable transgenes confers spatial and temporal control over both CDM scaffold remodeling and neotissue composition. Furthermore, these constructs provide a microphysiological in vitro joint organoid model with site-specific, tunable, and inducible protein delivery systems for examining the spatiotemporal response to pro-anabolic and/or inflammatory signaling across the osteochondral interface.
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Affiliation(s)
- Christopher R Rowland
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | | | | | - Catherine C Gloss
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | - Jared R L Matthews
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | - Nguyen P T Huynh
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA; Duke University, Durham, NC 27710, USA
| | - Farshid Guilak
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA.
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26
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Sun Y, Yan L, Chen S, Pei M. Functionality of decellularized matrix in cartilage regeneration: A comparison of tissue versus cell sources. Acta Biomater 2018; 74:56-73. [PMID: 29702288 PMCID: PMC7307012 DOI: 10.1016/j.actbio.2018.04.048] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 04/20/2018] [Accepted: 04/23/2018] [Indexed: 01/12/2023]
Abstract
Increasing evidence indicates that decellularized extracellular matrices (dECMs) derived from cartilage tissues (T-dECMs) or chondrocytes/stem cells (C-dECMs) can support proliferation and chondrogenic differentiation of cartilage-forming cells. However, few review papers compare the differences between these dECMs when they serve as substrates for cartilage regeneration. In this review, after an introduction of cartilage immunogenicity and decellularization methods to prepare T-dECMs and C-dECMs, a comprehensive comparison focuses on the effects of T-dECMs and C-dECMs on proliferation and chondrogenic differentiation of chondrocytes/stem cells in vitro and in vivo. Key factors within dECMs, consisting of microarchitecture characteristics and micromechanical properties as well as retained insoluble and soluble matrix components, are discussed in-depth for potential mechanisms underlying the functionality of these dECMs in regulating chondrogenesis. With this information, we hope to benefit dECM based cartilage engineering and tissue regeneration for future clinical application. STATEMENT OF SIGNIFICANCE The use of decellularized extracellular matrix (dECM) is becoming a promising approach for tissue engineering and regeneration. Compared to dECM derived from cartilage tissue, recently reported dECM from cell sources exhibits a distinct role in cell based cartilage regeneration. In this review paper, for the first time, tissue and cell based dECMs are comprehensively compared for their functionality in cartilage regeneration. This information is expected to provide an update for dECM based cartilage regeneration.
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Affiliation(s)
- Yu Sun
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV 26506, USA; Department of Orthopaedics, Orthopaedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Lianqi Yan
- Department of Orthopaedics, Orthopaedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Song Chen
- Department of Orthopaedics, Chengdu Military General Hospital, Chengdu, Sichuan 610083, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV 26506, USA; Exercise Physiology, West Virginia University, Morgantown, WV 26506, USA; WVU Cancer Institute, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506, USA.
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27
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Injectable cartilaginous template transformed BMSCs into vascularized bone. Sci Rep 2018; 8:8244. [PMID: 29844536 PMCID: PMC5973938 DOI: 10.1038/s41598-018-26472-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 05/02/2018] [Indexed: 11/30/2022] Open
Abstract
Regeneration of alveolar bone for dental implant remains a major issue, partifcularly for patients suffering from severe bone adsorption and irregular socket trauma. Recapitulating embryological development is becoming an attractive approach for engineer organ or three-dimensional tissues from stem cells. In this study, we aimed to develop an injectable “cartilaginous” graft with adequate mechanical resistance and ideal bone remodelling potential. The cartilaginous graft was composed of a particulate decellularised cartilage matrix (PDCM), chondrogenically primed bone mesenchymal stem cell (BMSC) bricks (CB), and enriched platelet-rich plasma (P) gel. In immunodeficient mice, we found that angiogenesis occurred quickly inside PDCM-CB-P constructs after implantation, thereby improving tissue survival and bone formation. In rabbit tibia bone defects around implants, we confirmed that CBs not only transformed into bone tissue rapidly, but also significantly promoted bone remodelling and replacement of PDCM, thus realising osseointegration of dental implants within 3 months. In conclusion, CBs exhibited the potential for endochondral ossification in vivo, and application of a cartilaginous template composed of PDCM, CB, and P provided a minimally-invasive, “free material residual” approach to regenerate alveolar bone tissues in vivo. This method could have applications in peri-implant bone regeneration.
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28
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Lim KS, Levato R, Costa PF, Castilho MD, Alcala-Orozco CR, van Dorenmalen KMA, Melchels FPW, Gawlitta D, Hooper GJ, Malda J, Woodfield TBF. Bio-resin for high resolution lithography-based biofabrication of complex cell-laden constructs. Biofabrication 2018; 10:034101. [DOI: 10.1088/1758-5090/aac00c] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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Vas WJ, Shah M, Blacker TS, Duchen MR, Sibbons P, Roberts SJ. Decellularized Cartilage Directs Chondrogenic Differentiation: Creation of a Fracture Callus Mimetic. Tissue Eng Part A 2018; 24:1364-1376. [PMID: 29580181 DOI: 10.1089/ten.tea.2017.0450] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Complications that arise from impaired fracture healing have considerable socioeconomic implications. Current research in the field of bone tissue engineering predominantly aims to mimic the mature bone tissue microenvironment. This approach, however, may produce implants that are intrinsically unresponsive to the cues present during the initiation of fracture repair. As such, this study describes the development of decellularized xenogeneic hyaline cartilage matrix in an attempt to mimic the initial reparative phase of fracture repair. Three approaches based on vacuum-assisted osmotic shock (Vac-OS), Triton X-100 (Vac-STx), and sodium dodecyl sulfate (Vac-SDS) were investigated. The Vac-OS methodology reduced DNA content below 50 ng/mg of tissue, while retaining 85% of the sulfate glycosaminoglycan content, and as such was selected as the optimal methodology for decellularization. The resultant Vac-OS scaffolds (decellularized extracellular matrix [dcECM]) were also devoid of the immunogenic alpha-Gal epitope. Furthermore, minimal disruption to the structural integrity of the dcECM was demonstrated using differential scanning calorimetry and fluorescence lifetime imaging microscopy. The biological integrity of the dcECM was confirmed by its ability to drive the chondrogenic commitment and differentiation of human chondrocytes and periosteum-derived cells, respectively. Furthermore, histological examination of dcECM constructs implanted in immunocompetent mice revealed a predominantly M2 macrophage-driven regenerative response both at 2 and 8 weeks postimplantation. These findings contrasted with the implanted native costal cartilage that elicited a predominantly M1 macrophage-mediated inflammatory response. This study highlights the capacity of dcECM from the Vac-OS methodology to direct the key biological processes of endochondral ossification, thus potentially recapitulating the callus phase of fracture repair.
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Affiliation(s)
- Wollis J Vas
- 1 Department of Materials and Tissue, Institute of Orthopaedics and Musculoskeletal Science, University College London , Stanmore, United Kingdom
| | - Mittal Shah
- 1 Department of Materials and Tissue, Institute of Orthopaedics and Musculoskeletal Science, University College London , Stanmore, United Kingdom
| | - Thomas S Blacker
- 2 Department of Cell and Developmental Biology, University College London , London, United Kingdom .,3 Department of Physics and Astronomy, University College London , London, United Kingdom
| | - Michael R Duchen
- 2 Department of Cell and Developmental Biology, University College London , London, United Kingdom
| | - Paul Sibbons
- 4 Northwick Park Institute for Medical Research , Northwick Park Hospital, London, United Kingdom
| | - Scott J Roberts
- 1 Department of Materials and Tissue, Institute of Orthopaedics and Musculoskeletal Science, University College London , Stanmore, United Kingdom
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30
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Farag A, Hashimi SM, Vaquette C, Bartold PM, Hutmacher DW, Ivanovski S. The effect of decellularized tissue engineered constructs on periodontal regeneration. J Clin Periodontol 2018; 45:586-596. [PMID: 29500836 DOI: 10.1111/jcpe.12886] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2018] [Indexed: 12/19/2022]
Abstract
AIM To evaluate the effect of decellularized tissue engineered constructs on cell differentiation in vitro and periodontal regeneration in vivo. MATERIALS AND METHODS Periodontal ligament cell (PDLC) sheets were loaded on polycaprolactone (PCL) scaffolds and then decellularized. Constructs were assessed for their effect on allogenic PDLC and mesenchymal stem cell (MSC) differentiation in vitro, as evaluated by gene expression of bone and periodontal ligament tissue markers post-seeding. Expression of MSC marker STRO-1 was assessed by immunostaining. Decellularized constructs were evaluated in a rat periodontal defect model to assess their biocompatibility and tissue integration. Microcomputed topography (μCT) and histological assessment were performed to assess the regenerative potential of the constructs at 2 and 4 weeks postoperatively. RESULTS There was upregulation of bone marker gene expression by PDLCs especially on the 14th day. MSCs lacked bone markers expression, but showed increased collagen I marker expression on day 14. STRO-1 expression by the MSCs decreased over the three timepoints when seeded on decellularized sheets. Histological assessment demonstrated the biocompatibility of the decellularized constructs in vivo. More new attachment formation was observed on the decellularized constructs compared to scaffold only controls. CONCLUSION Decellularized tissue engineered constructs are capable of inducing cell differentiation in vitro and have the potential to facilitate periodontal regeneration in vivo.
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Affiliation(s)
- Amro Farag
- School of Dentistry, The University of Queensland, Brisbane, QLD, Australia.,Institute of Health and Biomedical Innovation, Brisbane, QLD, Australia
| | - Saeed M Hashimi
- Department of Basic Science, Biology Unit, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University (University of Dammam), Dammam, Saudi Arabia
| | - Cedryck Vaquette
- Institute of Health and Biomedical Innovation, Brisbane, QLD, Australia
| | - Peter M Bartold
- Colgate Australian Clinical, Dental Research Centre, Dental School, University of Adelaide, Adelaide, SA, Australia
| | | | - Saso Ivanovski
- School of Dentistry, The University of Queensland, Brisbane, QLD, Australia
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31
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Superior calvarial bone regeneration using pentenoate-functionalized hyaluronic acid hydrogels with devitalized tendon particles. Acta Biomater 2018; 71:148-155. [PMID: 29496620 DOI: 10.1016/j.actbio.2018.02.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/07/2018] [Accepted: 02/09/2018] [Indexed: 12/30/2022]
Abstract
Traumatic brain injury (TBI) is a life-threatening condition defined by internal brain herniation. Severe TBI is commonly treated by a two-stage surgical intervention, where decompressive craniectomy is first conducted to remove a large portion of calvarial bone and allow unimpeded brain swelling. In the second surgery, spaced weeks to months after the first, cranioplasty is performed to restore the cranial bone. Hydrogels with paste-like precursor solutions for surgical placement may potentially revolutionize TBI treatment by permitting a single-stage surgical intervention, capable of being implanted with the initial surgery, remaining pliable during brain swelling, and tuned to regenerate calvarial bone after brain swelling has subsided. The current study evaluated the use of photocrosslinkable pentenoate-functionalized hyaluronic acid (PHA) and non-crosslinking hyaluronic acid (HA) hydrogels encapsulating naturally derived tissue particles of demineralized bone matrix (DBM), devitalized cartilage (DVC), devitalized meniscus (DVM), or devitalized tendon (DVT) for bone regeneration in critical-size rat calvarial defects. All hydrogel precursors exhibited a yield stress for placement and addition of particles increased the average material compressive modulus. The HA-DBM (4-30%), PHA (4%), and PHA-DVT (4-30%) groups had 5 (p < 0.0001), 3.1, and 3.2 (p < 0.05) times greater regenerated bone volume compared to the sham (untreated defect) group, respectively. In vitro cell studies suggested that the PHA-DVT (4-10%) group would have the most desirable performance. Overall, hydrogels containing DVT particles outperformed other materials in terms of bone regeneration in vivo and calcium deposition in vitro. Hydrogels containing DVT will be further evaluated in future rat TBI studies. STATEMENT OF SIGNIFICANCE Traumatic brain injury (TBI) is a life-threatening condition characterized by severe brain swelling and is currently treated by a two-stage surgical procedure. Complications associated with the two-stage surgical intervention include the occurrence of the condition termed syndrome of the trephined; however, the condition is completely reversible once the secondary surgery is performed. A desirable TBI treatment would include a single surgical intervention to avoid syndrome of the trephined altogether. The first hurdle in reaching the overall goal is to develop a pliable hydrogel material that can regenerate the patient's bone. The development of a pliable hydrogel technology would greatly impact the field of bone regeneration for TBI application and other areas of bone regeneration.
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32
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Leach JK, Whitehead J. Materials-Directed Differentiation of Mesenchymal Stem Cells for Tissue Engineering and Regeneration. ACS Biomater Sci Eng 2018; 4:1115-1127. [PMID: 30035212 PMCID: PMC6052883 DOI: 10.1021/acsbiomaterials.6b00741] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cell-based therapies are a promising alternative to grafts and organ transplantation for treating tissue loss or damage due to trauma, malfunction, or disease. Over the past two decades, mesenchymal stem cells (MSCs) have attracted much attention as a potential cell population for use in regenerative medicine. While the proliferative capacity and multilineage potential of MSCs provide an opportunity to generate clinically relevant numbers of transplantable cells, their use in tissue regenerative applications has met with relatively limited success to date apart from secreting paracrine-acting factors to modulate the defect microenvironment. Presently, there is significant effort to engineer the biophysical properties of biomaterials to direct MSC differentiation and further expand on the potential of MSCs in tissue engineering, regeneration, and repair. Biomaterials can dictate MSC differentiation by modulating features of the substrate including composition, mechanical properties, porosity, and topography. The purpose of this review is to highlight recent approaches for guiding MSC fate using biomaterials and provide a description of the underlying characteristics that promote differentiation toward a desired phenotype.
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Affiliation(s)
- J. Kent Leach
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
- Department of Orthopaedic Surgery, School of Medicine, UC Davis Medical Center, Sacramento, C 95817
| | - Jacklyn Whitehead
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616
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Townsend JM, Zabel TA, Feng Y, Wang J, Andrews BT, Nudo RJ, Berkland CJ, Detamore MS. Effects of tissue processing on bioactivity of cartilage matrix-based hydrogels encapsulating osteoconductive particles. ACTA ACUST UNITED AC 2018; 13:034108. [PMID: 29411714 DOI: 10.1088/1748-605x/aaad77] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In the treatment of severe traumatic brain injury (TBI), decompressive craniectomy is commonly used to remove a large portion of calvarial bone to allow unimpeded brain swelling. Hydrogels have the potential to revolutionize TBI treatment by permitting a single-surgical intervention, remaining pliable during brain swelling, and tuned to regenerate bone after swelling has subsided. With this motivation, our goal is to present a pliable material capable of regenerating calvarial bone across a critical size defect. We therefore proposed the use of a methacrylated solubilized decellularized cartilage (MeSDCC) hydrogel encapsulating synthetic osteogenic particles of hydroxyapatite nanofibers, bioglass microparticles, or added rat bone marrow-derived mesenchymal stem cells (rMSCs) for bone regeneration in critical-size rat calvarial defects. Fibrin hydrogels were employed as a control material for the study. MeSDCC hydrogels exhibited sufficient rheological performance for material placement before crosslinking ([Formula: see text] > 500 Pa), and sufficient compressive moduli post-crosslinking (E > 150 kPa). In vitro experiments suggested increased calcium deposition for cells seeded on the MeSDCC material; however, in vivo bone regeneration was minimal in both MeSDCC and fibrin groups, even with colloidal materials or added rMSCs. Minimal bone regeneration in the MeSDCC test groups may potentially be attributed to cartilage solubilization after decellularization, in which material signals may have degraded from enzymatic treatment. Looking to the future, an improvement in the bioactivity of the material will be crucial to the success of bone regeneration strategies for TBI treatment.
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Affiliation(s)
- Jakob M Townsend
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, United States of America
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The Challenge in Using Mesenchymal Stromal Cells for Recellularization of Decellularized Cartilage. Stem Cell Rev Rep 2017; 13:50-67. [PMID: 27826794 DOI: 10.1007/s12015-016-9699-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Some decellularized musculoskeletal extracellular matrices (ECM)s derived from tissues such as bone, tendon and fibrocartilaginous meniscus have already been clinical use for tissue reconstruction. Repair of articular cartilage with its unique zonal ECM architecture and composition is still an unsolved problem, and the question is whether allogenic or xenogeneic decellularized cartilage ECM could serve as a biomimetic scaffold for this purpose.Hence, this survey outlines the present state of preparing decellularized cartilage ECM-derived scaffolds or composites for reconstruction of different cartilage types and of reseeding it particularly with mesenchymal stromal cells (MSCs).The preparation of natural decellularized cartilage ECM scaffolds hampers from the high density of the cartilage ECM and lacking interconnectivity of the rather small natural pores within it: the chondrocytes lacunae. Nevertheless, the reseeding of decellularized ECM scaffolds before implantation provided superior results compared with simply implanting cell-free constructs in several other tissues, but cartilage recellularization remains still challenging. Induced by cartilage ECM-derived scaffolds MSCs underwent chondrogenesis.Major problems to be addressed for the application of cell-free cartilage were discussed such as to maintain ECM structure, natural chemistry, biomechanics and to achieve a homogenous and stable cell recolonization, promote chondrogenic and prevent terminal differentiation (hypertrophy) and induce the deposition of a novel functional ECM. Some promising approaches were proposed including further processing of the decellularized ECM before recellularization of the ECM with MSCs, co-culturing of MSCs with chondrocytes and establishing bioreactor culture e.g. with mechanostimulation, flow perfusion pressure and lowered oxygen tension. Graphical Abstract Synopsis of tissue engineering approaches based on cartilage-derived ECM.
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Pacelli S, Basu S, Whitlow J, Chakravarti A, Acosta F, Varshney A, Modaresi S, Berkland C, Paul A. Strategies to develop endogenous stem cell-recruiting bioactive materials for tissue repair and regeneration. Adv Drug Deliv Rev 2017; 120:50-70. [PMID: 28734899 PMCID: PMC5705585 DOI: 10.1016/j.addr.2017.07.011] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 07/05/2017] [Accepted: 07/16/2017] [Indexed: 02/07/2023]
Abstract
A leading strategy in tissue engineering is the design of biomimetic scaffolds that stimulate the body's repair mechanisms through the recruitment of endogenous stem cells to sites of injury. Approaches that employ the use of chemoattractant gradients to guide tissue regeneration without external cell sources are favored over traditional cell-based therapies that have limited potential for clinical translation. Following this concept, bioactive scaffolds can be engineered to provide a temporally and spatially controlled release of biological cues, with the possibility to mimic the complex signaling patterns of endogenous tissue regeneration. Another effective way to regulate stem cell activity is to leverage the inherent chemotactic properties of extracellular matrix (ECM)-based materials to build versatile cell-instructive platforms. This review introduces the concept of endogenous stem cell recruitment, and provides a comprehensive overview of the strategies available to achieve effective cardiovascular and bone tissue regeneration.
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Affiliation(s)
- Settimio Pacelli
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Sayantani Basu
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Jonathan Whitlow
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Aparna Chakravarti
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Francisca Acosta
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Arushi Varshney
- Department of Human Genetics, University of Michigan, Ann Arbor, MI, USA.
| | - Saman Modaresi
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
| | - Cory Berkland
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA; Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS, USA.
| | - Arghya Paul
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, University of Kansas, Lawrence, KS, USA.
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Kan C, Chen L, Hu Y, Lu H, Li Y, Kessler JA, Kan L. Microenvironmental factors that regulate mesenchymal stem cells: lessons learned from the study of heterotopic ossification. Histol Histopathol 2017; 32:977-985. [PMID: 28328009 PMCID: PMC5809774 DOI: 10.14670/hh-11-890] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bone marrow contains a non-hematopoietic, clonogenic, multipotent population of stromal cells that are later called mesenchymal stem cells (MSC). Similar cells that share many common features with MSC are also found in other organs, which are thought to contribute both to normal tissue regeneration and to pathological processes such as heterotopic ossification (HO), the formation of ectopic bone in soft tissue. Understanding the microenvironmental factors that regulate MSC in vivo is essential both for understanding the biology of the stem cells and for effective translational applications of MSC. Unfortunately, this important aspect has been largely underappreciated. This review tries to raise the attention and highlight this critical issue by updating the relevant literature along with discussions of the key issues in the area.
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Affiliation(s)
- Chen Kan
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Lijun Chen
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yangyang Hu
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Haimei Lu
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Yuyun Li
- Department of Medical Laboratory Science, Bengbu Medical College, Bengbu, China
| | - John A Kessler
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Lixin Kan
- School of Basic Medical Sciences, Anhui Medical University, Hefei, China
- Department of Medical Laboratory Science, Bengbu Medical College, Bengbu, China
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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Kiyotake EA, Beck EC, Detamore MS. Cartilage extracellular matrix as a biomaterial for cartilage regeneration. Ann N Y Acad Sci 2017; 1383:139-159. [PMID: 27870078 DOI: 10.1111/nyas.13278] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 09/16/2016] [Accepted: 09/20/2016] [Indexed: 12/16/2022]
Abstract
The extracellular matrix (ECM) of various tissues possesses the model characteristics that biomaterials for tissue engineering strive to mimic; however, owing to the intricate hierarchical nature of the ECM, it has yet to be fully characterized and synthetically fabricated. Cartilage repair remains a challenge because the intrinsic properties that enable its durability and long-lasting function also impede regeneration. In the last decade, cartilage ECM has emerged as a promising biomaterial for regenerating cartilage, partly because of its potentially chondroinductive nature. As this research area of cartilage matrix-based biomaterials emerged, investigators facing similar challenges consequently developed convergent solutions in constructing robust and bioactive scaffolds. This review discusses the challenges, emerging trends, and future directions of cartilage ECM scaffolds, including a comparison between two different forms of cartilage matrix: decellularized cartilage (DCC) and devitalized cartilage (DVC). To overcome the low permeability of cartilage matrix, physical fragmentation greatly enhances decellularization, although the process itself may reduce the chondroinductivity of fabricated scaffolds. The less complex processing of a scaffold composed of DVC, which has not been decellularized, appears to have translational advantages and potential chondroinductive and mechanical advantages over DCC, without detrimental immunogenicity, to ultimately enhance cartilage repair in a clinically relevant way.
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Affiliation(s)
- Emi A Kiyotake
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma
| | - Emily C Beck
- Department of Bioengineering, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Michael S Detamore
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma
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Mansour A, Mezour MA, Badran Z, Tamimi F. * Extracellular Matrices for Bone Regeneration: A Literature Review. Tissue Eng Part A 2017; 23:1436-1451. [PMID: 28562183 DOI: 10.1089/ten.tea.2017.0026] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The gold standard material for bone regeneration is still autologous bone, a mesenchymal tissue that consists mainly of extracellular matrix (ECM) (90% v/v) and little cellular content (10% v/v). However, the fact that decellularized allogenic bone grafts often present a clinical performance comparable to autologous bone grafts demonstrates the crucial role of ECM in bone regeneration. For long, the mechanism by which bone allografts function was not clear, but recent research has unveiled many unique characteristics of ECM that seem to play a key role in tissue regeneration. This is further confirmed by the fact that synthetic biomaterials with composition and properties resembling bone ECM present excellent bone regeneration properties. In this context, ECM molecules such as glycosaminoglycans (GAGs) and self-assembly peptides (SAPs) can improve the performance of bone regeneration biomaterials. Moreover, decellularized ECM derived either from native tissues such as bone, cartilage, skin, and tooth germs or from cells such as osteoblasts, chondrocytes, and stem cells has shown promising results in bone regeneration applications. Understanding the role of ECM in bone regeneration is crucial for the development of the next generation of biomaterials for bone tissue engineering. In this sense, this review addresses the state-of-the-art on this subject matter.
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Affiliation(s)
- Alaa Mansour
- 1 Faculty of Dentistry, McGill University , Montreal, Canada
| | | | - Zahi Badran
- 1 Faculty of Dentistry, McGill University , Montreal, Canada .,2 Department of Periodontology (CHU/UIC 11, INSERM UMR 1229-RMeS), Faculty of Dental Surgery, University of Nantes , Nantes, France
| | - Faleh Tamimi
- 1 Faculty of Dentistry, McGill University , Montreal, Canada
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Bolaños RV, Cokelaere S, McDermott JE, Benders K, Gbureck U, Plomp S, Weinans H, Groll J, van Weeren P, Malda J. The use of a cartilage decellularized matrix scaffold for the repair of osteochondral defects: the importance of long-term studies in a large animal model. Osteoarthritis Cartilage 2017; 25:413-420. [PMID: 27554995 PMCID: PMC7116104 DOI: 10.1016/j.joca.2016.08.005] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 07/15/2016] [Accepted: 08/11/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate the effect of decellularized cartilage-derived matrix (CDM) scaffolds, by itself and as a composite scaffold with a calcium phosphate (CaP) base, for the repair of osteochondral defects. It was hypothesized that the chondral defects would heal with fibrocartilaginous tissue and that the composite scaffold would result in better bone formation. METHODS After an 8-week pilot experiment in a single horse, scaffolds were implanted in eight healthy horses in osteochondral defects on the medial trochlear ridge of the femur. In one joint a composite CDM-CaP scaffold was implanted (+P), in the contralateral joint a CDM only (-P) scaffold. After euthanasia at 6 months, tissues were analysed by histology, immunohistochemistry, micro-CT, biochemistry and biomechanical evaluation. RESULTS The 8-week pilot showed encouraging formation of bone and cartilage, but incomplete defect filling. At 6 months, micro-CT and histology showed much more limited filling of the defect, but the CaP component of the +P scaffolds was well integrated with the surrounding bone. The repair tissue was fibrotic with high collagen type I and low type II content and with no differences between the groups. There were also no biochemical differences between the groups and repair tissue was much less stiff than normal tissue (P < 0.0001). CONCLUSIONS The implants failed to produce reasonable repair tissue in this osteochondral defect model, although the CaP base in the -P group integrated well with the recipient bone. The study stresses the importance of long-term in vivo studies to assess the efficacy of cartilage repair techniques.
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Affiliation(s)
- R.A. Vindas Bolaños
- Cátedra de Cirugìa de Especies Mayores, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - S.M. Cokelaere
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands
| | - J.M. Estrada McDermott
- Cátedra de Cirugìa de Especies Mayores, Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - K.E.M. Benders
- Department of Orthopaedics, Division of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - U. Gbureck
- Department of Functional Materials in Medicine and Dentistry, University of Wurzburg, Wurzburg, Germany
| | - S.G.M. Plomp
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands
| | - H. Weinans
- Department of Orthopaedics, Division of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - J. Groll
- Department of Functional Materials in Medicine and Dentistry, University of Wurzburg, Wurzburg, Germany
| | - P.R. van Weeren
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands
| | - J. Malda
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands,Department of Orthopaedics, Division of Surgery, University Medical Center Utrecht, Utrecht, The Netherlands,Address correspondence and reprint requests to: J. Malda, Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, The Netherlands.
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Wang X, Yu T, Chen G, Zou J, Li J, Yan J. Preparation and Characterization of a Chitosan/Gelatin/Extracellular Matrix Scaffold and Its Application in Tissue Engineering. Tissue Eng Part C Methods 2017; 23:169-179. [PMID: 28142371 DOI: 10.1089/ten.tec.2016.0511] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Previous studies have demonstrated that extracellular matrix (ECM) can be used in tissue engineering due to its bioactivity. However, adipose-derived ECM (A-dECM) has never been applied in bone tissue engineering, and it is unknown whether it would be beneficial to the growth of bone marrow mesenchymal stem cells (BMSCs). In this study, we produced chitosan/gelatin/A-dECM (C/G/A-dECM) scaffolds via lyophilization and crosslinking; chitosan/gelatin (C/G) scaffolds were used as controls. For the C/G/A-dECM scaffolds, the average pore size was 285.93 ± 85.39 μm; the average porosity was 90.62 ± 3.65%; the average compressive modulus was 0.87 ± 0.05 kPa; and the average water uptake ratio was 13.73 ± 1.16. In vitro, A-dECM scaffolds could promote the attachment and proliferation of BMSCs. In the same osteogenic-inducing reagent, better osteogenic differentiation could be observed for the C/G/A-dECM scaffolds than for the C/G scaffolds. Thus, we conclude that A-dECM is a promising material and that C/G/A-dECM scaffolds are a candidate for bone tissue engineering.
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Affiliation(s)
- Xiaoyan Wang
- 1 Department of Orthopedics, The Second Afflicated Hospital of Harbin Medical University , Harbin, China .,2 Key Laboratory of the Ministry of Education , Ministry of Myocardial Ischemia, Harbin, China
| | - Tailong Yu
- 1 Department of Orthopedics, The Second Afflicated Hospital of Harbin Medical University , Harbin, China .,2 Key Laboratory of the Ministry of Education , Ministry of Myocardial Ischemia, Harbin, China
| | - Guanghua Chen
- 1 Department of Orthopedics, The Second Afflicated Hospital of Harbin Medical University , Harbin, China .,2 Key Laboratory of the Ministry of Education , Ministry of Myocardial Ischemia, Harbin, China
| | - Jilong Zou
- 3 Department of Orthopedics, The First Afflicated Hospital of Harbin Medical University , Harbin, China
| | - Jianzhong Li
- 2 Key Laboratory of the Ministry of Education , Ministry of Myocardial Ischemia, Harbin, China .,4 Department of Cardiac Surgery, The Second Afflicated Hospital of Harbin Medical University , Harbin, China
| | - Jinglong Yan
- 1 Department of Orthopedics, The Second Afflicated Hospital of Harbin Medical University , Harbin, China
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Townsend JM, Dennis SC, Whitlow J, Feng Y, Wang J, Andrews B, Nudo RJ, Detamore MS, Berkland CJ. Colloidal Gels with Extracellular Matrix Particles and Growth Factors for Bone Regeneration in Critical Size Rat Calvarial Defects. AAPS JOURNAL 2017; 19:703-711. [PMID: 28138909 DOI: 10.1208/s12248-017-0045-0] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 01/09/2017] [Indexed: 12/30/2022]
Abstract
Colloidal gels encapsulating natural materials and exhibiting paste-like properties for placement are promising for filling complex geometries in craniofacial bone regeneration applications. Colloidal materials have demonstrated modest clinical outcomes as bone substitutes in orthopedic applications, but limited success in craniofacial applications. As such, development of a novel colloidal gel will fill a void in commercially available products for use in craniofacial reconstruction. One likely application for this technology is cranial reconstruction. Currently, traumatic brain injury (TBI) is often treated with a hemi-craniectomy, a procedure in which half the cranium is removed to allow the injured brain to swell and herniate beyond the enclosed cranial vault. The use of colloidal gels would allow for the design of a pliable material capable of expansion during brain swelling and facilitate cranial bone regeneration alleviating the need for a second surgery to replace the previously removed hemi-cranium. In the current study, colloidal nanoparticles of hydroxyapatite (HAp), demineralized bone matrix (DBM), and decellularized cartilage (DCC) were combined with hyaluronic acid (HA) to form colloidal gels with desirable rheological properties ([Formula: see text] ≥ 100 Pa). BMP-2 and VEGF growth factors were included to assess extracellular matrix (ECM) contribution of DBM and DCC. The HA-HAp (BMP-2) and HA-HAp-DCC group had 89 and 82% higher bone regeneration compared to the sham group, respectively (p < 0.01). Material retention issues observed may be alleviated by implementing chemical crosslinking. Overall, DCC may be a promising material for bone regeneration in general, and colloidal gels may hold significant potential in craniofacial applications.
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Affiliation(s)
- Jakob M Townsend
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - S Connor Dennis
- Bioengineering Program, University of Kansas, Lawrence, Kansas, 66047, USA
| | - Jonathan Whitlow
- Bioengineering Program, University of Kansas, Lawrence, Kansas, 66047, USA
| | - Yi Feng
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, Kansas, 66160, USA
| | - Jinxi Wang
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, Kansas, 66160, USA
| | - Brian Andrews
- Department of Plastic Surgery, University of Kansas Medical Center, Kansas City, Kansas, 66160, USA
| | - Randolph J Nudo
- Department of Rehabilitation Medicine, University of Kansas Medical Center, Kansas City, Kansas, 66160, USA
| | - Michael S Detamore
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Cory J Berkland
- Bioengineering Program, University of Kansas, Lawrence, Kansas, 66047, USA. .,Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, Kansas, 66047, USA.
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42
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Kakabadze A, Mardaleishvili K, Loladze G, Karalashvili L, Chutkerashvili G, Chakhunashvili D, Kakabadze Z. Reconstruction of mandibular defects with autogenous bone and decellularized bovine bone grafts with freeze-dried bone marrow stem cell paracrine factors. Oncol Lett 2017; 13:1811-1818. [PMID: 28454328 PMCID: PMC5403483 DOI: 10.3892/ol.2017.5647] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/17/2016] [Indexed: 12/14/2022] Open
Abstract
The gold standard following segmental mandibulectomy is vascularized autologous bone graft in the form of the fibula flap. However, in bone reconstruction the use of autogenous bone does not always guarantee a successful outcome. The aim of the present investigation was to develop a novel biologically active bone (BAB) graft, and to use it for the reconstruction of large size defects of the mandible bone following tumor resection. In the first part of the present study, biologically active bone graft was developed by using human freeze-dried bone marrow stem cells (BMSCs) paracrine factors and three-dimensional bone scaffold derived from cancellous bovine bone following decellularization. In the second part of the research, one male and three female patients with primary tumors of the mandible underwent hemimandibulectomy. The mandibular bone defects following tumor resection were reconstructed with autogenous rib grafts in three patients and BAB graft was used in one patient. The graft-host interfaces were covered with decellularized human amnion/chorion membrane graft. All patients were followed-up every five months following the reconstruction of the mandible, with no complications observed. Preliminary clinical investigations demonstrated that a BAB graft containing freeze-dried BMSC paracrine factors may be used for the reconstruction of large mandibular bone defects following tumor resection.
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Affiliation(s)
- Ann Kakabadze
- Department of Clinical Anatomy, Tbilisi State Medical University, 0177 Tbilisi, Georgia.,Department of Molecular and Translational Medicine, Institute of Medical Research, Ilia State University, 0177 Tbilisi, Georgia
| | - Konstantine Mardaleishvili
- Department of Clinical Anatomy, Tbilisi State Medical University, 0177 Tbilisi, Georgia.,Department of Surgery, Cancer Research Center, 0177 Tbilisi, Georgia
| | - George Loladze
- Department of Surgery, Cancer Research Center, 0177 Tbilisi, Georgia
| | - Lia Karalashvili
- Department of Clinical Anatomy, Tbilisi State Medical University, 0177 Tbilisi, Georgia.,Department of Molecular and Translational Medicine, Institute of Medical Research, Ilia State University, 0177 Tbilisi, Georgia
| | - Gocha Chutkerashvili
- Department of Molecular and Translational Medicine, Institute of Medical Research, Ilia State University, 0177 Tbilisi, Georgia
| | - David Chakhunashvili
- Department of Clinical Anatomy, Tbilisi State Medical University, 0177 Tbilisi, Georgia
| | - Zurab Kakabadze
- Department of Clinical Anatomy, Tbilisi State Medical University, 0177 Tbilisi, Georgia
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Ng J, Spiller K, Bernhard J, Vunjak-Novakovic G. Biomimetic Approaches for Bone Tissue Engineering. TISSUE ENGINEERING PART B-REVIEWS 2017; 23:480-493. [PMID: 27912680 DOI: 10.1089/ten.teb.2016.0289] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Although autologous bone grafts are considered a gold standard for the treatment of bone defects, they are limited by donor site morbidities and geometric requirements. We propose that tissue engineering technology can overcome such limitations by recreating fully viable and biological bone grafts. Specifically, we will discuss the use of bone scaffolds and autologous cells with bioreactor culture systems as a tissue engineering paradigm to grow bone in vitro. We will also discuss emergent vascularization strategies to promote graft survival in vivo, as well as the role of inflammation during bone repair. Finally, we will highlight some recent advances and discuss new solutions to bone repair inspired by endochondral ossification.
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Affiliation(s)
- Johnathan Ng
- 1 Department of Biomedical Engineering, Columbia University , New York, New York
| | - Kara Spiller
- 2 School of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, Pennsylvania
| | - Jonathan Bernhard
- 1 Department of Biomedical Engineering, Columbia University , New York, New York
| | - Gordana Vunjak-Novakovic
- 1 Department of Biomedical Engineering, Columbia University , New York, New York.,3 Department of Medicine, Columbia University , New York, New York
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44
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Vas WJ, Shah M, Al Hosni R, Owen HC, Roberts SJ. Biomimetic strategies for fracture repair: Engineering the cell microenvironment for directed tissue formation. J Tissue Eng 2017; 8:2041731417704791. [PMID: 28491274 PMCID: PMC5406151 DOI: 10.1177/2041731417704791] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 03/21/2017] [Indexed: 12/20/2022] Open
Abstract
Complications resulting from impaired fracture healing have major clinical implications on fracture management strategies. Novel concepts taken from developmental biology have driven research strategies towards the elaboration of regenerative approaches that can truly harness the complex cellular events involved in tissue formation and repair. Advances in polymer technology and a better understanding of naturally derived scaffolds have given rise to novel biomaterials with an increasing ability to recapitulate native tissue environments. This coupled with advances in the understanding of stem cell biology and technology has opened new avenues for regenerative strategies with true clinical translatability. These advances have provided the impetus to develop alternative approaches to enhance the fracture repair process. We provide an update on these advances, with a focus on the development of novel biomimetic approaches for bone regeneration and their translational potential.
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Affiliation(s)
- Wollis J Vas
- Department of Materials & Tissue, Institute of Orthopaedics & Musculoskeletal Science, University College London, Stanmore, UK
| | - Mittal Shah
- Department of Materials & Tissue, Institute of Orthopaedics & Musculoskeletal Science, University College London, Stanmore, UK
| | - Rawiya Al Hosni
- Department of Materials & Tissue, Institute of Orthopaedics & Musculoskeletal Science, University College London, Stanmore, UK
| | - Helen C Owen
- Department of Natural Sciences, School of Science & Technology, Middlesex University, London, UK
| | - Scott J Roberts
- Department of Materials & Tissue, Institute of Orthopaedics & Musculoskeletal Science, University College London, Stanmore, UK
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Farag A, Vaquette C, Hutmacher DW, Bartold PM, Ivanovski S. Fabrication and Characterization of Decellularized Periodontal Ligament Cell Sheet Constructs. Methods Mol Biol 2017; 1537:403-412. [PMID: 27924607 DOI: 10.1007/978-1-4939-6685-1_23] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Decellularized tissue-engineered constructs have the potential to promote regeneration by providing a biomimetic extracellular matrix that directs tissue-specific regeneration when implanted in situ. Recently, the use of cell sheets has shown promising results in promoting periodontal regeneration. Here, we describe the fabrication of decellularized periodontal cell sheets with intact extracellular matrix structural and biological properties. Melt electro spun polycaprolactone (PCL) scaffolds are used as a carrier for the inherently fragile cell sheets, to provide support during the processes of decellularization. An optimized decellularization method is outlined using perfusion with a combination of NH4OH and Triton X-100 together with a DNase treatment step for DNA removal. The maintenance of extracellular matrix structural and biological integrity is important, and here we describe the assessment of these properties using immunostaining for extracellular matrix proteins and ELISA for growth factor quantification.
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Affiliation(s)
- Amro Farag
- School of Dentistry and Oral Health, Regenerative Medicine Center, Menzies Health Institute Queensland, Gold Coast, QLD, Australia
| | - Cédryck Vaquette
- Queensland University of Technology (QUT), Brisbane, QLD, Australia
| | | | - P Mark Bartold
- Colgate Australian Clinical DentalResearch Centre, Dental School, University of Adelaide, Frome Road, Adelaide, SA, 5005, Australia
| | - Saso Ivanovski
- School of Dentistry and Oral Health, Regenerative Medicine Center, Menzies Health Institute Queensland, Gold Coast, QLD, Australia.
- Menzies Health Institute Queensland, Griffith University, Gold Coast Campus, Parklands Drive, Gold Coast, QLD, 4222, Australia.
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Freeman FE, McNamara LM. Endochondral Priming: A Developmental Engineering Strategy for Bone Tissue Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2016; 23:128-141. [PMID: 27758156 DOI: 10.1089/ten.teb.2016.0197] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Tissue engineering and regenerative medicine have significant potential to treat bone pathologies by exploiting the capacity for bone progenitors to grow and produce tissue constituents under specific biochemical and physical conditions. However, conventional tissue engineering approaches, which combine stem cells with biomaterial scaffolds, are limited as the constructs often degrade, due to a lack of vascularization, and lack the mechanical integrity to fulfill load bearing functions, and as such are not yet widely used for clinical treatment of large bone defects. Recent studies have proposed that in vitro tissue engineering approaches should strive to simulate in vivo bone developmental processes and, thereby, imitate natural factors governing cell differentiation and matrix production, following the paradigm recently defined as "developmental engineering." Although developmental engineering strategies have been recently developed that mimic specific aspects of the endochondral ossification bone formation process, these findings are not widely understood. Moreover, a critical comparison of these approaches to standard biomaterial-based bone tissue engineering has not yet been undertaken. For that reason, this article presents noteworthy experimental findings from researchers focusing on developing an endochondral-based developmental engineering strategy for bone tissue regeneration. These studies have established that in vitro approaches, which mimic certain aspects of the endochondral ossification process, namely the formation of the cartilage template and the vascularization of the cartilage template, can promote mineralization and vascularization to a certain extent both in vitro and in vivo. Finally, this article outlines specific experimental challenges that must be overcome to further exploit the biology of endochondral ossification and provide a tissue engineering construct for clinical treatment of large bone/nonunion defects and obviate the need for bone tissue graft.
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Affiliation(s)
- Fiona E Freeman
- Centre for Biomechanics Research (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland Galway , Galway, Ireland
| | - Laoise M McNamara
- Centre for Biomechanics Research (BMEC), Biomedical Engineering, College of Engineering and Informatics, National University of Ireland Galway , Galway, Ireland
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Todorov A, Kreutz M, Haumer A, Scotti C, Barbero A, Bourgine PE, Scherberich A, Jaquiery C, Martin I. Fat-Derived Stromal Vascular Fraction Cells Enhance the Bone-Forming Capacity of Devitalized Engineered Hypertrophic Cartilage Matrix. Stem Cells Transl Med 2016; 5:1684-1694. [PMID: 27460849 DOI: 10.5966/sctm.2016-0006] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 05/13/2016] [Indexed: 11/16/2022] Open
Abstract
: Engineered and devitalized hypertrophic cartilage (HC) has been proposed as bone substitute material, potentially combining the features of osteoinductivity, resistance to hypoxia, capacity to attract blood vessels, and customization potential for specific indications. However, in comparison with vital tissues, devitalized HC grafts have reduced efficiency of bone formation and longer remodeling times. We tested the hypothesis that freshly harvested stromal vascular fraction (SVF) cells from human adipose tissue-which include mesenchymal, endothelial, and osteoclastic progenitors-enhance devitalized HC remodeling into bone tissue. Human SVF cells isolated from abdominal lipoaspirates were characterized cytofluorimetrically. HC pellets, previously generated by human bone marrow-derived stromal cells and devitalized by freeze/thaw, were embedded in fibrin gel with or without different amounts of SVF cells and implanted either ectopically in nude mice or in 4-mm-diameter calvarial defects in nude rats. In the ectopic model, SVF cells added to devitalized HC directly contributed to endothelial, osteoblastic, and osteoclastic populations. After 12 weeks, the extent of graft vascularization and amount of bone formation increased in a cell-number-dependent fashion (up to, respectively, 2.0-fold and 2.9-fold using 12 million cells per milliliter of gel). Mineralized tissue volume correlated with the number of implanted, SVF-derived endothelial cells (CD31+ CD34+ CD146+). In the calvarial model, SVF activation of HC using 12 million cells per milliliter of gel induced efficient merging among implanted pellets and strongly enhanced (7.3-fold) de novo bone tissue formation within the defects. Our findings outline a bone augmentation strategy based on off-the-shelf devitalized allogeneic HC, intraoperatively activated with autologous SVF cells. SIGNIFICANCE This study validates an innovative bone substitute material based on allogeneic hypertrophic cartilage that is engineered, devitalized, stored, and clinically used, together with autologous cells, intraoperatively derived from a lipoaspirate. The strategy was tested using human cells in an ectopic model and an orthotopic implantation model, in immunocompromised animals.
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Affiliation(s)
- Atanas Todorov
- Department of Biomedicine, University of Basel, Switzerland
- Department of Surgery, University Hospital of Basel, Basel, Switzerland
| | - Matthias Kreutz
- Department of Biomedicine, University of Basel, Switzerland
- Department of Surgery, University Hospital of Basel, Basel, Switzerland
- Clinic for Oral and Maxillofacial Surgery, University Hospital of Basel, Basel, Switzerland
| | - Alexander Haumer
- Department of Biomedicine, University of Basel, Switzerland
- Department of Surgery, University Hospital of Basel, Basel, Switzerland
| | - Celeste Scotti
- Instituti di Ricovero e Cura a Carattere Scientifico, Istituto Ortopedico Galeazzi, Milano, Italy
| | - Andrea Barbero
- Department of Biomedicine, University of Basel, Switzerland
| | | | | | - Claude Jaquiery
- Department of Surgery, University Hospital of Basel, Basel, Switzerland
- Clinic for Oral and Maxillofacial Surgery, University Hospital of Basel, Basel, Switzerland
| | - Ivan Martin
- Department of Biomedicine, University of Basel, Switzerland
- Department of Surgery, University Hospital of Basel, Basel, Switzerland
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Beck EC, Barragan M, Libeer TB, Kieweg SL, Converse GL, Hopkins RA, Berkland CJ, Detamore MS. Chondroinduction from Naturally Derived Cartilage Matrix: A Comparison Between Devitalized and Decellularized Cartilage Encapsulated in Hydrogel Pastes. Tissue Eng Part A 2016; 22:665-79. [PMID: 27001140 DOI: 10.1089/ten.tea.2015.0546] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Hydrogel precursors are liquid solutions that are prone to leaking after surgical placement. This problem was overcome by incorporating either decellularized cartilage (DCC) or devitalized cartilage (DVC) microparticles into traditional photocrosslinkable hydrogel precursors in an effort to achieve a paste-like hydrogel precursor. DCC and DVC were selected specifically for their potential to induce chondrogenesis of stem cells, given that materials that are chondroinductive on their own without growth factors are a revolutionary goal in orthopedic medicine. We hypothesized that DVC, lacking the additional chemical processing steps in DCC to remove cell content, would lead to a more chondroinductive hydrogel with rat bone marrow-derived mesenchymal stem cells. Hydrogels composed of methacrylated hyaluronic acid (MeHA) and either DCC or DVC microparticles were tested with and without exposure to transforming growth factor (TGF)-β3 over a 6 week culture period, where swelling, mechanical analysis, and gene expression were observed. For collagen II, Sox-9, and aggrecan expression, MeHA precursors containing DVC consistently outperformed the DCC-containing groups, even when the DCC groups were exposed to TGF-β3. DVC consistently outperformed all TGF-β3-exposed groups in aggrecan and collagen II gene expression as well. In addition, when the same concentrations of MeHA with DCC or DVC microparticles were evaluated for yield stress, the yield stress with the DVC microparticles was 2.7 times greater. Furthermore, the only MeHA-containing group that exhibited shape retention was the group containing DVC microparticles. DVC appeared to be superior to DCC in both chondroinductivity and rheological performance of hydrogel precursors, and therefore DVC microparticles may hold translational potential for cartilage regeneration.
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Affiliation(s)
- Emily C Beck
- 1 Department of Surgery, University of Kansas Medical Center , Kansas City, Kansas
| | - Marilyn Barragan
- 2 Department of Molecular Biosciences, University of Kansas , Lawrence, Kansas
| | - Tony B Libeer
- 3 Department of Chemical and Petroleum Engineering, University of Kansas , Lawrence, Kansas
| | - Sarah L Kieweg
- 4 Department of Mechanical Engineering, University of Kansas , Lawrence, Kansas
| | - Gabriel L Converse
- 5 Cardiac Surgery Research Laboratory, Children's Mercy Hospital , Kansas City, Missouri
| | - Richard A Hopkins
- 5 Cardiac Surgery Research Laboratory, Children's Mercy Hospital , Kansas City, Missouri
| | - Cory J Berkland
- 3 Department of Chemical and Petroleum Engineering, University of Kansas , Lawrence, Kansas.,6 Department of Pharmaceutical Chemistry, University of Kansas , Lawrence, Kansas
| | - Michael S Detamore
- 4 Department of Mechanical Engineering, University of Kansas , Lawrence, Kansas
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Stem Cells for Bone Regeneration: From Cell-Based Therapies to Decellularised Engineered Extracellular Matrices. Stem Cells Int 2016; 2016:9352598. [PMID: 26997959 PMCID: PMC4779529 DOI: 10.1155/2016/9352598] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 01/11/2016] [Accepted: 01/17/2016] [Indexed: 02/07/2023] Open
Abstract
Currently, autologous bone grafting represents the clinical gold standard in orthopaedic surgery. In certain cases, however, alternative techniques are required. The clinical utility of stem and stromal cells has been demonstrated for the repair and regeneration of craniomaxillofacial and long bone defects although clinical adoption of bone tissue engineering protocols has been very limited. Initial tissue engineering studies focused on the bone marrow as a source of cells for bone regeneration, and while a number of promising results continue to emerge, limitations to this technique have prompted the exploration of alternative cell sources, including adipose and muscle tissue. In this review paper we discuss the advantages and disadvantages of cell sources with a focus on adipose tissue and the bone marrow. Additionally, we highlight the relatively recent paradigm of developmental engineering, which promotes the recapitulation of naturally occurring developmental processes to allow the implant to optimally respond to endogenous cues. Finally we examine efforts to apply lessons from studies into different cell sources and developmental approaches to stimulate bone growth by use of decellularised hypertrophic cartilage templates.
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