1
|
Yu W, Maynard E, Chiaradia V, Arno MC, Dove AP. Aliphatic Polycarbonates from Cyclic Carbonate Monomers and Their Application as Biomaterials. Chem Rev 2021; 121:10865-10907. [DOI: 10.1021/acs.chemrev.0c00883] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wei Yu
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Edward Maynard
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Viviane Chiaradia
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Maria C. Arno
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
- Institute of Cancer and Genomic Sciences, University of Birmingham, Edgbaston, B15 2TT U.K
| | - Andrew P. Dove
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT U.K
| |
Collapse
|
2
|
Voet VSD, Guit J, Loos K. Sustainable Photopolymers in 3D Printing: A Review on Biobased, Biodegradable, and Recyclable Alternatives. Macromol Rapid Commun 2020; 42:e2000475. [PMID: 33205556 DOI: 10.1002/marc.202000475] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/16/2020] [Indexed: 12/20/2022]
Abstract
The global market for 3D printing materials has grown exponentially in the last decade. Today, photopolymers claim almost half of the material sales worldwide. The lack of sustainable resins, applicable in vat photopolymerization that can compete with commercial materials, however, limits the widespread adoption of this technology. The development of "green" alternatives is of great importance in order to reduce the environmental impact of additive manufacturing. This paper reviews the recent evolutions in the field of sustainable photopolymers for 3D printing. It highlights the synthesis and application of biobased resin components, such as photocurable monomers and oligomers, as well as reinforcing agents derived from natural resources. In addition, the design of biologically degradable and recyclable thermoset products in vat photopolymerization is discussed. Together, those strategies will promote the accurate and waste-free production of a new generation of 3D materials for a sustainable plastics economy in the near future.
Collapse
Affiliation(s)
- Vincent S D Voet
- Professorship Sustainable Polymers, NHL Stenden University of Applied Sciences, Van Schaikweg 94, Emmen, 7811 KL, The Netherlands
| | - Jarno Guit
- Professorship Sustainable Polymers, NHL Stenden University of Applied Sciences, Van Schaikweg 94, Emmen, 7811 KL, The Netherlands
| | - Katja Loos
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, Groningen, AG, 9747, The Netherlands
| |
Collapse
|
3
|
Liao W, Xu L, Wangrao K, Du Y, Xiong Q, Yao Y. Three-dimensional printing with biomaterials in craniofacial and dental tissue engineering. PeerJ 2019; 7:e7271. [PMID: 31328038 PMCID: PMC6622164 DOI: 10.7717/peerj.7271] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 06/10/2019] [Indexed: 02/05/2023] Open
Abstract
With the development of technology, tissue engineering (TE) has been widely applied in the medical field. In recent years, due to its accuracy and the demands of solid freeform fabrication in TE, three-dimensional printing, also known as additive manufacturing (AM), has been applied for biological scaffold fabrication in craniofacial and dental regeneration. In this review, we have compared several types of AM techniques and summarized their advantages and limitations. The range of printable materials used in craniofacial and dental tissue includes all the biomaterials. Thus, basic and clinical studies were discussed in this review to present the application of AM techniques in craniofacial and dental tissue and their advances during these years, which might provide information for further AM studies in craniofacial and dental TE.
Collapse
Affiliation(s)
- Wen Liao
- Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Lin Xu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Kaijuan Wangrao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yu Du
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Qiuchan Xiong
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.,Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yang Yao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China.,Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| |
Collapse
|
4
|
Geven MA, Grijpma DW. Additive manufacturing of composite structures for the restoration of bone tissue. ACTA ACUST UNITED AC 2019. [DOI: 10.1088/2399-7532/ab201f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|
5
|
van Bochove B, Grijpma DW. Photo-crosslinked synthetic biodegradable polymer networks for biomedical applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:77-106. [DOI: 10.1080/09205063.2018.1553105] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Bas van Bochove
- Department of Biomaterials Science and Technology, Faculty of Science and Technology, Technical Medical Centre University of Twente, Enschede, The Netherlands
| | - Dirk W. Grijpma
- Department of Biomaterials Science and Technology, Faculty of Science and Technology, Technical Medical Centre University of Twente, Enschede, The Netherlands
- Department of Biomedical Engineering, W. J. Kolff Institute, University Medical Centre, University of Groningen, Groningen, The Netherlands
| |
Collapse
|
6
|
Yao L, Flynn N. Dental pulp stem cell-derived chondrogenic cells demonstrate differential cell motility in type I and type II collagen hydrogels. Spine J 2018; 18:1070-1080. [PMID: 29452287 PMCID: PMC5972055 DOI: 10.1016/j.spinee.2018.02.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 01/16/2018] [Accepted: 02/01/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Advances in the development of biomaterials and stem cell therapy provide a promising approach to regenerating degenerated discs. The normal nucleus pulposus (NP) cells exhibit similar phenotype to chondrocytes. Because dental pulp stem cells (DPSCs) can be differentiated into chondrogenic cells, the DPSCs and DPSCs-derived chondrogenic cells encapsulated in type I and type II collagen hydrogels can potentially be transplanted into degenerated NP to repair damaged tissue. The motility of transplanted cells is critical because the cells need to migrate away from the hydrogels containing the cells of high density and disperse through the NP tissue after implantation. PURPOSE The purpose of this study was to determine the motility of DPSC and DPSC-derived chondrogenic cells in type I and type II collagen hydrogels. STUDY DESIGN/SETTING The time lapse imaging that recorded cell migration was analyzed to quantify the cell migration velocity and distance. METHODS The cell viability of DPSCs in native or poly(ethylene glycol) ether tetrasuccinimidyl glutarate (4S-StarPEG)-crosslinked type I and type II collagen hydrogels was determined using LIVE/DEAD cell viability assay and AlamarBlue assay. DPSCs were differentiated into chondrogenic cells. The migration of DPSCs and DPSC-derived chondrogenic cells in these hydrogels was recorded using a time lapse imaging system. This study was funded by the Regional Institute on Aging and Wichita Medical Research and Education Foundation, and the authors declare no competing interest. RESULT DPSCs showed high cell viability in non-crosslinked and crosslinked collagen hydrogels. DPSCs migrated in collagen hydrogels, and the cell migration speed was not significantly different in either type I collagen or type II collagen hydrogels. The migration speed of DPSC-derived chondrogenic cells was higher in type I collagen hydrogel than in type II collagen hydrogel. Crosslinking of type I collagen with 4S-StarPEG significantly reduced the cell migration speed of DPSC-derived chondrogenic cells. CONCLUSIONS After implantation of collagen hydrogels encapsulating DPSCs or DPSC-derived chondrogenic cells, the cells can potentially migrate from the hydrogels and migrate into the NP tissue. This study also explored the differential cell motility of DPSCs and DPSC-derived chondrogenic cells in these collagen hydrogels.
Collapse
Affiliation(s)
- Li Yao
- Department of Biological Sciences, Wichita State University, Wichita, Fairmount 1845, KS 67260, USA.
| | | |
Collapse
|
7
|
van Uden S, Silva-Correia J, Oliveira JM, Reis RL. Current strategies for treatment of intervertebral disc degeneration: substitution and regeneration possibilities. Biomater Res 2017; 21:22. [PMID: 29085662 PMCID: PMC5651638 DOI: 10.1186/s40824-017-0106-6] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 10/05/2017] [Indexed: 02/06/2023] Open
Abstract
Background Intervertebral disc degeneration has an annual worldwide socioeconomic impact masked as low back pain of over 70 billion euros. This disease has a high prevalence over the working age class, which raises the socioeconomic impact over the years. Acute physical trauma or prolonged intervertebral disc mistreatment triggers a biochemical negative tendency of catabolic-anabolic balance that progress to a chronic degeneration disease. Current biomedical treatments are not only ineffective in the long-run, but can also cause degeneration to spread to adjacent intervertebral discs. Regenerative strategies are desperately needed in the clinics, such as: minimal invasive nucleus pulposus or annulus fibrosus treatments, total disc replacement, and cartilaginous endplates decalcification. Main body Herein, it is reviewed the state-of-the-art of intervertebral disc regeneration strategies from the perspective of cells, scaffolds, or constructs, including both popular and unique tissue engineering approaches. The premises for cell type and origin selection or even absence of cells is being explored. Choice of several raw materials and scaffold fabrication methods are evaluated. Extensive studies have been developed for fully regeneration of the annulus fibrosus and nucleus pulposus, together or separately, with a long set of different rationales already reported. Recent works show promising biomaterials and processing methods applied to intervertebral disc substitutive or regenerative strategies. Facing the abundance of studies presented in the literature aiming intervertebral disc regeneration it is interesting to observe how cartilaginous endplates have been extensively neglected, being this a major source of nutrients and water supply for the whole disc. Conclusion Several innovative avenues for tackling intervertebral disc degeneration are being reported – from acellular to cellular approaches, but the cartilaginous endplates regeneration strategies remain unaddressed. Interestingly, patient-specific approaches show great promise in respecting patient anatomy and thus allow quicker translation to the clinics in the near future.
Collapse
Affiliation(s)
- Sebastião van Uden
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, 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 GMR Gandra, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Braga Portugal.,Present Address: Bioengineering Laboratories Srl, Viale Brianza 8, Meda, Italy.,Present Address: Politecnico di Milano, Piazza Leonardo da Vinci, 32 Milan, Italy
| | - Joana Silva-Correia
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, 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 GMR Gandra, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Braga Portugal
| | - Joaquim Miguel Oliveira
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, 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 GMR Gandra, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Braga Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco Guimarães, Portugal
| | - Rui Luís Reis
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, 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 GMR Gandra, Portugal.,ICVS/3B's-PT Government Associate Laboratory, Guimarães, Braga Portugal.,The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Avepark, 4805-017 Barco Guimarães, Portugal
| |
Collapse
|
8
|
Elsaadany M, Winters K, Adams S, Stasuk A, Ayan H, Yildirim-Ayan E. Equiaxial Strain Modulates Adipose-derived Stem Cell Differentiation within 3D Biphasic Scaffolds towards Annulus Fibrosus. Sci Rep 2017; 7:12868. [PMID: 28993681 PMCID: PMC5634474 DOI: 10.1038/s41598-017-13240-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 09/19/2017] [Indexed: 12/14/2022] Open
Abstract
Recurrence of intervertebral disc (IVD) herniation is the most important factor leading to chronic low back pain and subsequent disability after discectomy. Efficacious annulus fibrosus (AF) repair strategy that delivers cells and biologics to IVD injury site is needed to limit the progression of disc degeneration and promote disc self-regeneration capacities after discectomy procedures. In this study, a biphasic mechanically-conditioned scaffold encapsulated with human adipose-derived stem cells (ASCs) is studied as a potential treatment strategy for AF defects. Equiaxial strains and frequencies were applied to ASCs-encapsulated scaffolds to identify the optimal loading modality to induce AF differentiation. Equiaxial loading resulted in 2–4 folds increase in secretion of extracellular matrix proteins and the reorganization of the matrix fibers and elongations of the cells along the load direction. Further, the equiaxial load induced region-specific differentiation of ASCs within the inner and outer regions of the biphasic scaffolds. Gene expression of AF markers was upregulated with 5–30 folds within the equiaxially loaded biphasic scaffolds compared to unstrained samples. The results suggest that there is a specific value of equiaxial strain favorable to differentiate ASCs towards AF lineage and that ASCs-embedded biphasic scaffold can potentially be utilized to repair the AF defects.
Collapse
Affiliation(s)
| | - Kayla Winters
- Department of Bioengineering, University of Toledo, Toledo, OH, USA
| | - Sarah Adams
- Department of Bioengineering, University of Toledo, Toledo, OH, USA
| | - Alexander Stasuk
- Department of Bioengineering, University of Toledo, Toledo, OH, USA
| | - Halim Ayan
- Department of Bioengineering, University of Toledo, Toledo, OH, USA
| | - Eda Yildirim-Ayan
- Department of Bioengineering, University of Toledo, Toledo, OH, USA.
| |
Collapse
|
9
|
Ma Z, Wu Y, Wang J, Liu C. In vitro and in vivo degradation behavior of poly(trimethylene carbonate-co-d,l-lactic acid) copolymer. Regen Biomater 2017; 4:207-213. [PMID: 28798866 PMCID: PMC5544909 DOI: 10.1093/rb/rbx003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 01/06/2017] [Accepted: 01/20/2017] [Indexed: 11/13/2022] Open
Abstract
We present P(TMC-co-DLLA) copolymer with the molar ratio of TMC: DLLA = 15: 85 was used to systematic study of in vivo and in vitro degradation behaviors. Dense homogeneous copolymer specimens were prepared by compression molding method. The in vitro and in vivo degradation were, respectively, performed at simulative body condition and implanted into rat’s subcutaneous condition. Investigations were followed via physicochemical and histological analysis such as SEM, GPC, DSC, FTIR and H&E stain. The results demonstrate that copolymeric material can degrade in phosphate buffer solution (PBS) and in rat’s body, and the in vivo degradation rate is faster. Obvious decline of molecule weight and mass loss has been observed, which led to the attenuation of mechanical strength. Furthermore, apart from the hydrolysis, macrophagocytes took part in the phagocytosis in vivo, indicating that degradation rate could be regulated by the combinational mechanism. It is concluded that P(TMC-co-DLLA) copolymer is a promising candidate for tissue repair.
Collapse
Affiliation(s)
- Zhengyu Ma
- Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineeering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Yi Wu
- Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineeering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Jing Wang
- Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineeering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Changsheng Liu
- Engineering Research Center for Biomedical Materials of Ministry of Education, School of Materials Science and Engineeering, East China University of Science and Technology, Shanghai 200237, People's Republic of China.,The State Key Laboratory of Bioreactor Engineering, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China.,Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| |
Collapse
|
10
|
Tavakoli J. Tissue Engineering of the Intervertebral Disc's Annulus Fibrosus: A Scaffold-Based Review Study. Tissue Eng Regen Med 2017; 14:81-91. [PMID: 30603465 PMCID: PMC6171584 DOI: 10.1007/s13770-017-0024-7] [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] [Received: 03/08/2016] [Revised: 04/10/2016] [Accepted: 06/08/2016] [Indexed: 12/11/2022] Open
Abstract
Tissue engineering as a high technology solution for treating disc's problem has been the focus of some researches recently; however, the upcoming successful results in this area depends on understanding the complexities of biology and engineering interface. Whereas the major responsibility of the nucleus pulposus is to provide a sustainable hydrated environment within the disc, the function of the annulus fibrosus (AF) is more mechanical, facilitating joint mobility and preventing radial bulging by confining of the central part, which makes the AF reconstruction important. Although the body of knowledge regarding the AF tissue engineering has grown rapidly, the opportunities to improve current understanding of how artificial scaffolds are able to mimic the AF concentric structure-including inter-lamellar matrix and cross-bridges-addressed unresolved research questions. The aim of this literature review was to collect and discuss, from the international scientific literature, information about tissue engineering of the AF based on scaffold fabrication and material properties, useful for developing new strategies in disc tissue engineering. The key parameter of this research was understanding if role of cross-bridges and inter-lamellar matrix has been considered on tissue engineering of the AF.
Collapse
Affiliation(s)
- Javad Tavakoli
- Medical Device Research Institute, School of Computer Science, Engineering and Mathematics, Flinders University, Adelaide, SA 5042 Australia
| |
Collapse
|
11
|
Long RG, Bürki A, Zysset P, Eglin D, Grijpma DW, Blanquer SBG, Hecht AC, Iatridis JC. Mechanical restoration and failure analyses of a hydrogel and scaffold composite strategy for annulus fibrosus repair. Acta Biomater 2016; 30:116-125. [PMID: 26577987 DOI: 10.1016/j.actbio.2015.11.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Revised: 11/04/2015] [Accepted: 11/10/2015] [Indexed: 01/07/2023]
Abstract
Unrepaired defects in the annulus fibrosus of intervertebral disks are associated with degeneration and persistent back pain. A clinical need exists for a disk repair strategy that can seal annular defects, be easily delivered during surgical procedures, and restore biomechanics with low risk of herniation. Multiple annulus repair strategies were developed using poly(trimethylene carbonate) scaffolds optimized for cell delivery, polyurethane membranes designed to prevent herniation, and fibrin-genipin adhesive tuned to annulus fibrosus shear properties. This three-part study evaluated repair strategies for biomechanical restoration, herniation risk and failure mode in torsion, bending and compression at physiological and hyper-physiological loads using a bovine injury model. Fibrin-genipin hydrogel restored some torsional stiffness, bending ROM and disk height loss, with negligible herniation risk and failure was observed histologically at the fibrin-genipin mid-substance following rigorous loading. Scaffold-based repairs partially restored biomechanics, but had high herniation risk even when stabilized with sutured membranes and failure was observed histologically at the interface between scaffold and fibrin-genipin adhesive. Fibrin-genipin was the simplest annulus fibrosus repair solution evaluated that involved an easily deliverable adhesive that filled irregularly-shaped annular defects and partially restored disk biomechanics with low herniation risk, suggesting further evaluation for disk repair may be warranted. STATEMENT OF SIGNIFICANCE Lower back pain is the leading cause of global disability and commonly caused by defects and failure of intervertebral disk tissues resulting in herniation and compression of adjacent nerves. Annulus fibrosus repair materials and techniques have not been successful due to the challenging mechanical and chemical microenvironment and the needs to restore biomechanical behaviors and promote healing with negligible herniation risk while being delivered during surgical procedures. This work addressed this challenging biomaterial and clinical problem using novel materials including an adhesive hydrogel, a scaffold capable of cell delivery, and a membrane to prevent herniation. Composite repair strategies were evaluated and optimized in quantitative three-part study that rigorously evaluated disk repair and provided a framework for evaluating alternate repair techniques.
Collapse
Affiliation(s)
- Rose G Long
- Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Collaborative Research Partner Annulus Fibrosus Rupture Program of AO Foundation, Davos, Switzerland
| | - Alexander Bürki
- Institute for Surgical Technology & Biomechanics, University of Bern, Bern, Switzerland
| | - Philippe Zysset
- Institute for Surgical Technology & Biomechanics, University of Bern, Bern, Switzerland
| | - David Eglin
- AO Research Institute Davos, Davos, Switzerland; Collaborative Research Partner Annulus Fibrosus Rupture Program of AO Foundation, Davos, Switzerland
| | - Dirk W Grijpma
- Collaborative Research Partner Annulus Fibrosus Rupture Program of AO Foundation, Davos, Switzerland; University of Twente, Department of Biomaterials Science and Technology, PO Box 217, 7500 AE Enschede, The Netherlands; University of Groningen, University Medical Centre Groningen, Department of Biomedical Engineering, PO Box 196, 9700 AD Groningen, The Netherlands
| | - Sebastien B G Blanquer
- Collaborative Research Partner Annulus Fibrosus Rupture Program of AO Foundation, Davos, Switzerland; University of Twente, Department of Biomaterials Science and Technology, PO Box 217, 7500 AE Enschede, The Netherlands
| | - Andrew C Hecht
- Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - James C Iatridis
- Leni & Peter W. May Department of Orthopaedics, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Collaborative Research Partner Annulus Fibrosus Rupture Program of AO Foundation, Davos, Switzerland.
| |
Collapse
|
12
|
Xu B, Xu H, Wu Y, Li X, Zhang Y, Ma X, Yang Q. Intervertebral Disc Tissue Engineering with Natural Extracellular Matrix-Derived Biphasic Composite Scaffolds. PLoS One 2015; 10:e0124774. [PMID: 25894203 PMCID: PMC4404358 DOI: 10.1371/journal.pone.0124774] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 03/06/2015] [Indexed: 01/08/2023] Open
Abstract
Tissue engineering has provided an alternative therapeutic possibility for degenerative disc diseases. However, we lack an ideal scaffold for IVD tissue engineering. The goal of this study is to fabricate a novel biomimetic biphasic scaffold for IVD tissue engineering and evaluate the feasibility of developing tissue-engineered IVD in vitro and in vivo. In present study we developed a novel integrated biphasic IVD scaffold using a simple freeze-drying and cross-linking technique of pig bone matrix gelatin (BMG) for the outer annulus fibrosus (AF) phase and pig acellular cartilage ECM (ACECM) for the inner nucleus pulposus (NP) phase. Histology and SEM results indicated no residual cells remaining in the scaffold that featured an interconnected porous microstructure (pore size of AF and NP phase 401.4 ± 13.1 μm and 231.6 ± 57.2 μm, respectively). PKH26-labeled AF and NP cells were seeded into the scaffold and cultured in vitro. SEM confirmed that seeded cells could anchor onto the scaffold. Live/dead staining showed that live cells (green fluorescence) were distributed in the scaffold, with no dead cells (red fluorescence) being found. The cell-scaffold constructs were implanted subcutaneously into nude mice and cultured for 6 weeks in vivo. IVD-like tissue formed in nude mice as confirmed by histology. Cells in hybrid constructs originated from PKH26-labeled cells, as confirmed by in vivo fluorescence imaging system. In conclusion, the study demonstrates the feasibility of developing a tissue-engineered IVD in vivo with a BMG- and ACECM-derived integrated AF-NP biphasic scaffold. As well, PKH26 fluorescent labeling with in vivo fluorescent imaging can be used to track cells and analyse cell--scaffold constructs in vivo.
Collapse
Affiliation(s)
- Baoshan Xu
- Department of minimally invasive spine surgery, Tianjin Hospital, 406 Jie Fang Nan Road, Hexi District, Tianjin, 300211, People’s Republic of China
| | - Haiwei Xu
- Department of minimally invasive spine surgery, Tianjin Hospital, 406 Jie Fang Nan Road, Hexi District, Tianjin, 300211, People’s Republic of China
- Tianjin medical university, Tianjin, 300070, People’s Republic of China
| | - Yaohong Wu
- Department of minimally invasive spine surgery, Tianjin Hospital, 406 Jie Fang Nan Road, Hexi District, Tianjin, 300211, People’s Republic of China
- Tianjin medical university, Tianjin, 300070, People’s Republic of China
| | - Xiulan Li
- Cell Engineering Laboratory of Orthopaedic Institute, Tianjin Hospital, Tianjin, 300211, People’s Republic of China
| | - Yang Zhang
- Cell Engineering Laboratory of Orthopaedic Institute, Tianjin Hospital, Tianjin, 300211, People’s Republic of China
| | - Xinlong Ma
- Department of minimally invasive spine surgery, Tianjin Hospital, 406 Jie Fang Nan Road, Hexi District, Tianjin, 300211, People’s Republic of China
- * E-mail: (QY); (XM)
| | - Qiang Yang
- Department of minimally invasive spine surgery, Tianjin Hospital, 406 Jie Fang Nan Road, Hexi District, Tianjin, 300211, People’s Republic of China
- Tianjin medical university, Tianjin, 300070, People’s Republic of China
- * E-mail: (QY); (XM)
| |
Collapse
|
13
|
Wang SZ, Rui YF, Lu J, Wang C. Cell and molecular biology of intervertebral disc degeneration: current understanding and implications for potential therapeutic strategies. Cell Prolif 2014; 47:381-90. [PMID: 25112472 DOI: 10.1111/cpr.12121] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Accepted: 05/09/2014] [Indexed: 12/25/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is a chronic, complex process associated with low back pain; mechanisms of its occurrence have not yet been fully elucidated. Its process is not only accompanied by morphological changes, but also by systematic changes in its histological and biochemical properties. Many cellular and molecular mechanisms have been reported to be related with IDD and to reverse degenerative trends, abnormal conditions of the living cells and altered cell phenotypes would need to be restored. Promising biological therapeutic strategies still rely on injection of active substances, gene therapy and cell transplantation. With advanced study of tissue engineering protocols based on cell therapy, combined use of seeding cells, bio-active substances and bio-compatible materials, are promising for IDD regeneration. Recently reported progenitor cells within discs themselves also hold prospects for future IDD studies. This article describes the background of IDD, current understanding and implications of potential therapeutic strategies.
Collapse
Affiliation(s)
- S Z Wang
- Department of Orthopaedics, Zhongda Hospital, Medical School of Southeast University, Nanjing, Jiangsu, 210009, China
| | | | | | | |
Collapse
|
14
|
Bochyńska AI, Sharifi S, van Tienen TG, Buma P, Grijpma DW. Development of Tissue Adhesives Based on Amphiphilic Isocyanate-Terminated Trimethylene Carbonate Block Copolymers. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/masy.201300101] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Agnieszka I. Bochyńska
- Deptartment of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
- Orthopaedic Research Laboratory, Department of Orthopaedics, Nijmegen Centre for Molecular Life Sciences; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
| | - Shahriar Sharifi
- Department of Biomedical Engineering; University Medical Centre Groningen, University of Groningen; Groningen The Netherlands
| | - Tony G. van Tienen
- Orthopaedic Research Laboratory, Department of Orthopaedics, Nijmegen Centre for Molecular Life Sciences; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
| | - Pieter Buma
- Orthopaedic Research Laboratory, Department of Orthopaedics, Nijmegen Centre for Molecular Life Sciences; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
| | - Dirk W. Grijpma
- Deptartment of Biomaterials Science and Technology; University of Twente; Enschede The Netherlands
- Department of Biomedical Engineering; University Medical Centre Groningen, University of Groningen; Groningen The Netherlands
| |
Collapse
|
15
|
MacBarb RF, Chen AL, Hu JC, Athanasiou KA. Engineering functional anisotropy in fibrocartilage neotissues. Biomaterials 2013; 34:9980-9. [PMID: 24075479 DOI: 10.1016/j.biomaterials.2013.09.026] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2013] [Accepted: 09/06/2013] [Indexed: 11/26/2022]
Abstract
The knee meniscus, intervertebral disc, and temporomandibular joint (TMJ) disc all possess complex geometric shapes and anisotropic matrix organization. While these characteristics are imperative for proper tissue function, they are seldom recapitulated following injury or disease. Thus, this study's objective was to engineer fibrocartilages that capture both gross and molecular structural features of native tissues. Self-assembled TMJ discs were selected as the model system, as the disc exhibits a unique biconcave shape and functional anisotropy. To drive anisotropy, 50:50 co-cultures of meniscus cells and articular chondrocytes were grown in biconcave, TMJ-shaped molds and treated with two exogenous stimuli: biomechanical (BM) stimulation via passive axial compression and bioactive agent (BA) stimulation via chondroitinase-ABC and transforming growth factor-β1. BM + BA synergistically increased Col/WW, Young's modulus, and ultimate tensile strength 5.8-fold, 14.7-fold, and 13.8-fold that of controls, respectively; it also promoted collagen fibril alignment akin to native tissue. Finite element analysis found BM stimulation to create direction-dependent strains within the neotissue, suggesting shape plays an essential role toward driving in vitro anisotropic neotissue development. Methods used in this study offer insight on the ability to achieve physiologic anisotropy in biomaterials through the strategic application of spatial, biomechanical, and biochemical cues.
Collapse
Affiliation(s)
- Regina F MacBarb
- Department of Biomedical Engineering, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
| | | | | | | |
Collapse
|