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Agten H, Van Hoven I, Van Hoorick J, Van Vlierberghe S, Luyten FP, Bloemen V. In vitro and in vivo evaluation of periosteum-derived cells and iPSC-derived chondrocytes encapsulated in GelMA for osteochondral tissue engineering. Front Bioeng Biotechnol 2024; 12:1386692. [PMID: 38665810 PMCID: PMC11043557 DOI: 10.3389/fbioe.2024.1386692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
Osteochondral defects are deep joint surface lesions that affect the articular cartilage and the underlying subchondral bone. In the current study, a tissue engineering approach encompassing individual cells encapsulated in a biocompatible hydrogel is explored in vitro and in vivo. Cell-laden hydrogels containing either human periosteum-derived progenitor cells (PDCs) or human induced pluripotent stem cell (iPSC)-derived chondrocytes encapsulated in gelatin methacryloyl (GelMA) were evaluated for their potential to regenerate the subchondral mineralized bone and the articular cartilage on the joint surface, respectively. PDCs are easily isolated and expanded progenitor cells that are capable of generating mineralized cartilage and bone tissue in vivo via endochondral ossification. iPSC-derived chondrocytes are an unlimited source of stable and highly metabolically active chondrocytes. Cell-laden hydrogel constructs were cultured for up to 28 days in a serum-free chemically defined chondrogenic medium. On day 1 and day 21 of the differentiation period, the cell-laden constructs were implanted subcutaneously in nude mice to evaluate ectopic tissue formation 4 weeks post-implantation. Taken together, the data suggest that iPSC-derived chondrocytes encapsulated in GelMA can generate hyaline cartilage-like tissue constructs with different levels of maturity, while using periosteum-derived cells in the same construct type generates mineralized tissue and cortical bone in vivo. Therefore, the aforementioned cell-laden hydrogels can be an important part of a multi-component strategy for the manufacturing of an osteochondral implant.
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Affiliation(s)
- Hannah Agten
- Department of Materials Engineering, Surface and Interface Engineered Materials (SIEM), Group T Leuven Campus, KU Leuven, Leuven, Belgium
- Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
| | - Inge Van Hoven
- Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
| | | | - Sandra Van Vlierberghe
- BIO INX BV, Zwijnaarde, Belgium
- Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Frank P. Luyten
- Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
| | - Veerle Bloemen
- Department of Materials Engineering, Surface and Interface Engineered Materials (SIEM), Group T Leuven Campus, KU Leuven, Leuven, Belgium
- Skeletal Biology and Engineering Research Center, KU Leuven, Leuven, Belgium
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven, Leuven, Belgium
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2
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Han Q, He J, Bai L, Huang Y, Chen B, Li Z, Xu M, Liu Q, Wang S, Wen N, Zhang J, Guo B, Yin Z. Injectable Bioadhesive Photocrosslinkable Hydrogels with Sustained Release of Kartogenin to Promote Chondrogenic Differentiation and Partial-Thickness Cartilage Defects Repair. Adv Healthc Mater 2024; 13:e2303255. [PMID: 38253413 DOI: 10.1002/adhm.202303255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/05/2024] [Indexed: 01/24/2024]
Abstract
Partial-thickness cartilage defect (PTCD) is a common and formidable clinical challenge without effective therapeutic approaches. The inherent anti-adhesive characteristics of the extracellular matrix within cartilage pose a significant impediment to the integration of cells or biomaterials with the native cartilage during cartilage repair. Here, an injectable photocrosslinked bioadhesive hydrogel, consisting of gelatin methacryloyl (GM), acryloyl-6-aminocaproic acid-g-N-hydroxysuccinimide (AN), and poly(lactic-co-glycolic acid) microspheres loaded with kartogenin (KGN) (abbreviated as GM/AN/KGN hydrogel), is designed to enhance interfacial integration and repair of PTCD. After injected in situ at the irregular defect, a stable and robust hydrogel network is rapidly formed by ultraviolet irradiation, and it can be quickly and tightly adhered to native cartilage through amide bonds. The hydrogel exhibits good adhesion strength up to 27.25 ± 1.22 kPa by lap shear strength experiments. The GM/AN/KGN hydrogel demonstrates good adhesion, low swelling, resistance to fatigue, biocompatibility, and chondrogenesis properties in vitro. A rat model with PTCD exhibits restoration of a smoother surface, stable seamless integration, and abundant aggrecan and type II collagen production. The injectable stable adhesive hydrogel with long-term chondrogenic differentiation capacity shows great potential to facilitate repair of PTCD.
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Affiliation(s)
- Qian Han
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, and State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jiahui He
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, and State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lang Bai
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Ying Huang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, and State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Baojun Chen
- Department of Surgery of Spine and Spinal Cord, Henan Provincial People's Hospital, Zhengzhou, 450003, China
| | - Zhenlong Li
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, and State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Meiguang Xu
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qiaonan Liu
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Shuai Wang
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Nuanyang Wen
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
| | - Jing Zhang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education. School of Medicine, Northwest University, Xi'an, 710069, China
| | - Baolin Guo
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, and State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Zhanhai Yin
- Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, China
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3
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Omidian H, Chowdhury SD, Wilson RL. Advancements and Challenges in Hydrogel Engineering for Regenerative Medicine. Gels 2024; 10:238. [PMID: 38667657 PMCID: PMC11049258 DOI: 10.3390/gels10040238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
This manuscript covers the latest advancements and persisting challenges in the domain of tissue engineering, with a focus on the development and engineering of hydrogel scaffolds. It highlights the critical role of these scaffolds in emulating the native tissue environment, thereby providing a supportive matrix for cell growth, tissue integration, and reducing adverse reactions. Despite significant progress, this manuscript emphasizes the ongoing struggle to achieve an optimal balance between biocompatibility, biodegradability, and mechanical stability, crucial for clinical success. It also explores the integration of cutting-edge technologies like 3D bioprinting and biofabrication in constructing complex tissue structures, alongside innovative materials and techniques aimed at enhancing tissue growth and functionality. Through a detailed examination of these efforts, the manuscript sheds light on the potential of hydrogels in advancing regenerative medicine and the necessity for multidisciplinary collaboration to navigate the challenges ahead.
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Affiliation(s)
- Hossein Omidian
- Barry and Judy Silverman College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL 33328, USA; (S.D.C.); (R.L.W.)
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Wang X, Dai W, Gao C, Zhang L, Wan Z, Zhang T, Wang Y, Tang Y, Yu Y, Yang X, Cai Q. Spatiotemporal Modulated Scaffold for Endogenous Bone Regeneration via Harnessing Sequentially Released Guiding Signals. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58873-58887. [PMID: 38058149 DOI: 10.1021/acsami.3c13963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
The design of a scaffold that can regulate the sequential differentiation of bone marrow mesenchymal stromal cells (BMSCs) according to the endochondral ossification (ECO) mechanism is highly desirable for effective bone regeneration. In this study, we successfully fabricated a dual-networked composite hydrogel composed of gelatin and hyaluronic acid (termed GCDH-M), which can sequentially release chondroitin sulfate (CS) and magnesium/silicon (Mg/Si) ions to provide spatiotemporal guidance for chondrogenesis, angiogenesis, and osteogenesis. The fast release of CS is from the GCDH hydrogel, and the sustained releases of Mg/Si ions are from poly(lactide-co-glycolide) microspheres embedded in the hydrogel. There is a difference in the release rates between CS and ions, resulting in the ability for the fast release of CS and sustained release of ions. The dual networks between the modified gelatin and hyaluronic acid via covalent bonding and host-guest interactions render the hydrogel with some dynamic feature to meet the differentiation development of BMSCs laden inside the hydrogel, i.e., transforming into a chondrogenic phenotype, further to a hypertrophic phenotype and eventually to an osteogenic phenotype. As evidenced by the results of in vitro and in vivo evaluations, this GCDH-M composite hydrogel was proved to be able to create an optimal microenvironment for embedded BMSCs responding to the sequential guiding signals, which aligns with the rhythm of the ECO process and ultimately boosts bone regeneration. The promising outcome achieved with this innovative hydrogel system sheds light on novel scaffold design targeting bone tissue engineering.
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Affiliation(s)
- Xinyu Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wenli Dai
- Peking University Third Hospital, Beijing 100191, China
| | - Chenyuan Gao
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Liwen Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhuo Wan
- Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, China
| | - Tianyun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yue Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yujing Tang
- SINOPEC Beijing Research Institute of Chemical Industry, Beijing 100029, China
| | - Yingjie Yu
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaoping Yang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
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5
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Cheng C, Peng X, Luo Y, Shi S, Wang L, Wang Y, Yu X. A photocrosslinked methacrylated carboxymethyl chitosan/oxidized locust bean gum double network hydrogel for cartilage repair. J Mater Chem B 2023; 11:10464-10481. [PMID: 37901956 DOI: 10.1039/d3tb01701j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Repairing articular cartilage defects is a great challenge due to the poor self-regenerative capability of cartilage. Inspired by active substances found in the natural cartilage extracellular matrix, we used methacrylated carboxymethyl chitosan (MA-CMCS) and oxidized locust bean gum (OLBG) as the hydrogel backbone, and prepared a photocrosslinked dual network hydrogel containing allicin and decellularized cartilage powder (DCP). The rheological, swelling and water retention capacities of MA-CMCS@OLBG-Allicin/DCP (MCOAC) hydrogels were investigated to confirm the successful preparation of hydrogels suitable for cartilage repair. The MCOAC hydrogels showed good antibacterial ability to kill S. aureus and E. coli and anti-inflammatory properties due to the introduction of allicin. Furthermore, MA-CMCS@OLBG-Allicin/DCP hydrogels presented good cytocompatibility due to the addition of DCP, which could promote chondrocyte proliferation and promote the differentiation of BMSCs to chondrocytes. Further studies in vivo demonstrated that the DCP-contained MCOAC hydrogel exhibited superior performance in promoting cartilage tissue growth and wound healing in articular cartilage defects. Thus, the MCOAC hydrogel is a promising cartilage repair hydrogel with potential for clinical use.
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Affiliation(s)
- Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Xu Peng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
- Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, P. R. China
| | - Yihao Luo
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Shubin Shi
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Ling Wang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Yuhang Wang
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
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Jeyachandran D, Murshed M, Haglund L, Cerruti M. A Bioglass-Poly(lactic-co-glycolic Acid) Scaffold@Fibrin Hydrogel Construct to Support Endochondral Bone Formation. Adv Healthc Mater 2023; 12:e2300211. [PMID: 37462089 DOI: 10.1002/adhm.202300211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 06/21/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023]
Abstract
Bone tissue engineering using stem cells to build bone directly on a scaffold matrix often fails due to lack of oxygen at the injury site. This may be avoided by following the endochondral ossification route; herein, a cartilage template is promoted first, which can survive hypoxic environments, followed by its hypertrophy and ossification. However, hypertrophy is so far only achieved using biological factors. This work introduces a Bioglass-Poly(lactic-co-glycolic acid@fibrin (Bg-PLGA@fibrin) construct where a fibrin hydrogel infiltrates and encapsulates a porous Bg-PLGA. The hypothesis is that mesenchymal stem cells (MSCs) loaded in the fibrin gel and induced into chondrogenesis degrade the gel and become hypertrophic upon reaching the stiffer, bioactive Bg-PLGA core, without external induction factors. Results show that Bg-PLGA@fibrin induces hypertrophy, as well as matrix mineralization and osteogenesis; it also promotes a change in morphology of the MSCs at the gel/scaffold interface, possibly a sign of osteoblast-like differentiation of hypertrophic chondrocytes. Thus, the Bg-PLGA@fibrin construct can sequentially support the different phases of endochondral ossification purely based on material cues. This may facilitate clinical translation by decreasing in-vitro cell culture time pre-implantation and the complexity associated with the use of external induction factors.
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Affiliation(s)
| | - Monzur Murshed
- Faculty of Dentistry, Department of Medicine, and Shriners Hospital for Children, McGill University, Montreal, Quebec, H4A 0A9, Canada
| | - Lisbet Haglund
- Experimental Surgery, McGill University, Montreal, H3G 2M1, Canada
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, Montreal, H3A 0C1, Canada
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7
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Pablos JL, Jiménez-Holguín J, Salcedo SS, Salinas AJ, Corrales T, Vallet-Regí M. New Photocrosslinked 3D Foamed Scaffolds Based on GelMA Copolymers: Potential Application in Bone Tissue Engineering. Gels 2023; 9:gels9050403. [PMID: 37232995 DOI: 10.3390/gels9050403] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
The production of customized polymeric hydrogels in the form of 3D scaffolds with application in bone tissue engineering is currently a topic of great interest. Based on gelatin methacryloyl (GelMa) as one of the most popular used biomaterials, GelMa with two different methacryloylation degrees (DM) was obtained, to achieve crosslinked polymer networks by photoinitiated radical polymerization. In this work, we present the obtention of new 3D foamed scaffolds based on ternary copolymers of GelMa with vinylpyrrolidone (VP) and 2-hydroxyethylmethacrylate (HEMA). All biopolymers obtained in this work were characterized by infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA), whose results confirm the presence of all copolymers in the crosslinked biomaterial. In addition, scanning electron microscopy (SEM) pictures were obtained verifying the presence of the porosity created by freeze-drying process. In addition, the variation in its swelling degree and its enzymatic degradation in vitro was analyzed as a function of the different copolymers obtained. This has allowed us to observe good control of the variation in these properties described above in a simple way by varying the composition of the different comonomers used. Finally, with these concepts in mind, biopolymers obtained were tested through assessment of several biological parameters such as cell viability and differentiation with MC3T3-E1 pre-osteoblastic cell line. Results obtained show that these biopolymers maintain good results in terms of cell viability and differentiation, along with tunable properties in terms of hydrophilic character, mechanical properties and enzymatic degradation.
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Affiliation(s)
- Jesús L Pablos
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Instituto de Investigación Sanitaria Hospital 12 de Octubre, imas12, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - Javier Jiménez-Holguín
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Instituto de Investigación Sanitaria Hospital 12 de Octubre, imas12, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - Sandra Sánchez Salcedo
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Instituto de Investigación Sanitaria Hospital 12 de Octubre, imas12, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain
| | - Antonio J Salinas
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Instituto de Investigación Sanitaria Hospital 12 de Octubre, imas12, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain
| | - Teresa Corrales
- Grupo de Fotoquímica, Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, C.S.I.C., Juan de la Cierva 3, 28006 Madrid, Spain
| | - María Vallet-Regí
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Instituto de Investigación Sanitaria Hospital 12 de Octubre, imas12, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
- Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain
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You J, Liu M, Li M, Zhai S, Quni S, Zhang L, Liu X, Jia K, Zhang Y, Zhou Y. The Role of HIF-1α in Bone Regeneration: A New Direction and Challenge in Bone Tissue Engineering. Int J Mol Sci 2023; 24:ijms24098029. [PMID: 37175732 PMCID: PMC10179302 DOI: 10.3390/ijms24098029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
The process of repairing significant bone defects requires the recruitment of a considerable number of cells for osteogenesis-related activities, which implies the consumption of a substantial amount of oxygen and nutrients. Therefore, the limited supply of nutrients and oxygen at the defect site is a vital constraint that affects the regenerative effect, which is closely related to the degree of a well-established vascular network. Hypoxia-inducible factor (HIF-1α), which is an essential transcription factor activated in hypoxic environments, plays a vital role in vascular network construction. HIF-1α, which plays a central role in regulating cartilage and bone formation, induces vascular invasion and differentiation of osteoprogenitor cells to promote and maintain extracellular matrix production by mediating the adaptive response of cells to changes in oxygen levels. However, the application of HIF-1α in bone tissue engineering is still controversial. As such, clarifying the function of HIF-1α in regulating the bone regeneration process is one of the urgent issues that need to be addressed. This review provides insight into the mechanisms of HIF-1α action in bone regeneration and related recent advances. It also describes current strategies for applying hypoxia induction and hypoxia mimicry in bone tissue engineering, providing theoretical support for the use of HIF-1α in establishing a novel and feasible bone repair strategy in clinical settings.
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Affiliation(s)
- Jiaqian You
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Manxuan Liu
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Minghui Li
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Shaobo Zhai
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Sezhen Quni
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Lu Zhang
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Xiuyu Liu
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Kewen Jia
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Yidi Zhang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
| | - Yanmin Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China
- School of Stomatology, Jilin University, Changchun 130021, China
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Zhao E, Xiao T, Tan Y, Zhou X, Li Y, Wang X, Zhang K, Ou C, Zhang J, Li Z, Liu H. Separable Microneedles with Photosynthesis-Driven Oxygen Manufactory for Diabetic Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7725-7734. [PMID: 36731033 DOI: 10.1021/acsami.2c18809] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Oxygen plays an important role in diabetic chronic wound healing by regulating various life activities such as cell proliferation, migration, and angiogenesis. Therefore, oxygen-delivering systems have drawn much attention and evolved continuously. Here, we propose that an active Chlorella vulgaris (Cv)-loaded separable microneedle (MN) can be used to control oxygen delivery, which then promotes wound healing. The Cv-loaded microneedles (CvMN) consist of a polyvinyl acetate (PVA) substrate and gelatin methacryloyl (GelMA) tips with encapsulated Cv. Once CvMN is applied to diabetic wound, the PVA basal layer is rapidly dissolved in a short time, while the noncytotoxic and biocompatible GelMA tips remain in the skin. By taking advantage of the photosynthesis of Cv, oxygen would be continuously produced in a green way and released from CvMN in a controlled manner. Both in vitro and in vivo results showed that CvMN could promote cell proliferation, migration, and angiogenesis and enhance wound healing in diabetic mice effectively. The remarkable therapeutic effect is mainly attributed to the continuous generation of dissolved oxygen in CvMN and the presence of antioxidant vitamins, γ-linolenic acid, and linoleic acid in Cv. Thus, CvMN provides a promising strategy for diabetic wound healing with more possibility of clinical transformations.
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Affiliation(s)
- Erman Zhao
- College of Pharmaceutical Science, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding071002, P. R. China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding071002, P. R. China
| | - Tingshan Xiao
- College of Pharmaceutical Science, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding071002, P. R. China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding071002, P. R. China
| | - Yanli Tan
- Affiliated Hospital of Hebei University, Baoding071002, P. R. China
| | - Xiaohan Zhou
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan523059, P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, Guangdong510515, China
| | - Yaqin Li
- Affiliated Hospital of Hebei University, Baoding071002, P. R. China
| | - Xueyi Wang
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan523059, P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, Guangdong510515, China
| | - Kaihan Zhang
- Department of Chemistry, The University of Manchester, ManchesterM13 9PL, U.K
| | - Caiwen Ou
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan523059, P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, Guangdong510515, China
| | - Jinchao Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding071002, P. R. China
- College of Chemistry & Environmental Science, Hebei University, Baoding071002, P. R. China
| | - Zhenhua Li
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan523059, P. R. China
- Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangzhou, Guangdong510515, China
| | - Huifang Liu
- College of Pharmaceutical Science, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding071002, P. R. China
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Chemical Biology Key Laboratory of Hebei Province, Hebei University, Baoding071002, P. R. China
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10
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Liu Z, Nan H, Chiou YS, Zhan Z, Lobie PE, Hu C. Selective Formation of Osteogenic and Vasculogenic Tissues for Cartilage Regeneration. Adv Healthc Mater 2023; 12:e2202008. [PMID: 36353894 DOI: 10.1002/adhm.202202008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/02/2022] [Indexed: 11/11/2022]
Abstract
Tissue-engineered periosteum substitutes (TEPSs) incorporating hierarchical architecture with osteoprogenitor and vascular niches are drawing much attention as a promising tool to support functional cells in defined zones and nourish the cortical bone. Current TEPSs usually lack technologies to closely observe cell performance, especially at the cell contact interface between distinct compartments containing defined biological configurations and functions. Here, an electrodeposition strategy is reported, which enables the selective formation of TEPSs with osteoprogenitor and vascular niches in a multiphasic scaffold in combination with different human cell types for cartilage regeneration in an in vivo osteochondral defect model. Human umbilical vein endothelial cells (HUVECs), dermal fibroblasts (HDFs), and bone marrow mesenchymal stem cells (hMSCs) are used to mirror both the vascular and osteogenic niches, respectively. It is observed that the intrinsic viscoelastic nature of the porous solid matrix is essential to successfully induce angiogenesis. Coculture of hMSCs with functional cells (HUVECs/HDFs) in TEPSs also effectively promoted periosteal regeneration, including osteogenic and angiogenic processes. The osteoarthritis cartilage histopathology assessment and histologic/histochemical grading system data indicate that the TEPSs containing hMSCs/HUVECs/HDFs exhibit superior potential for cartilage regeneration.
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Affiliation(s)
- Zeyang Liu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.,Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Haochen Nan
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.,Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yi Shiou Chiou
- Master Degree Program in Toxicology, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.,Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Zhen Zhan
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.,Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Peter E Lobie
- Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Chengzhi Hu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China.,Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
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11
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Hatt LP, Armiento AR, Mys K, Thompson K, Hildebrand M, Nehrbass D, Müller WEG, Zeiter S, Eglin D, Stoddart MJ. Standard in vitro evaluations of engineered bone substitutes are not sufficient to predict in vivo preclinical model outcomes. Acta Biomater 2023; 156:177-189. [PMID: 35988660 DOI: 10.1016/j.actbio.2022.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 01/18/2023]
Abstract
Understanding the optimal conditions required for bone healing can have a substantial impact to target the problem of non-unions and large bone defects. The combination of bioactive factors, regenerative progenitor cells and biomaterials to form a tissue engineered (TE) complex is a promising solution but translation to the clinic has been slow. We hypothesized the typical material testing algorithm used is insufficient and leads to materials being mischaracterized as promising. In the first part of this study, human bone marrow - derived mesenchymal stromal cells (hBM-MSCs) were embedded in three commonly used biomaterials (hyaluronic acid methacrylate, gelatin methacrylate and fibrin) and combined with relevant bioactive osteogenesis factors (dexamethasone microparticles and polyphosphate nanoparticles) to form a TE construct that underwent in vitro osteogenic differentiation for 28 days. Gene expression of relevant transcription factors and osteogenic markers, and von Kossa staining were performed. In the second and third part of this study, the same combination of TE constructs were implanted subcutaneously (cell containing) in T cell-deficient athymic Crl:NIH-Foxn1rnu rats for 8 weeks or cell free in an immunocompetent New Zealand white rabbit calvarial model for 6 weeks, respectively. Osteogenic performance was investigated via MicroCT imaging and histology staining. The in vitro study showed enhanced upregulation of relevant genes and significant mineral deposition within the three biomaterials, generally considered as a positive result. Subcutaneous implantation indicates none to minor ectopic bone formation. No enhanced calvarial bone healing was detected in implanted biomaterials compared to the empty defect. The reasons for the poor correlation of in vitro and in vivo outcomes are unclear and needs further investigation. This study highlights the discrepancy between in vitro and in vivo outcomes, demonstrating that in vitro data should be interpreted with extreme caution. In vitro models with higher complexity are necessary to increase value for translational studies. STATEMENT OF SIGNIFICANCE: Preclinical testing of newly developed biomaterials is a crucial element of the development cycle. Despite this, there is still significant discrepancy between in vitro and in vivo test results. Within this study we investigate multiple combinations of materials and osteogenic stimulants and demonstrate a poor correlation between the in vitro and in vivo data. We propose rationale for why this may be the case and suggest a modified testing algorithm.
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Affiliation(s)
- Luan P Hatt
- AO Research Institute Davos, 7270 Davos Platz, Switzerland; Institute for Biomechanics, ETH Zürich; 8093 Zürich, Switzerland
| | | | - Karen Mys
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
| | - Keith Thompson
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
| | | | - Dirk Nehrbass
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
| | - Werner E G Müller
- Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Mainz, Germany
| | - Stephan Zeiter
- AO Research Institute Davos, 7270 Davos Platz, Switzerland
| | - David Eglin
- Mines Saint-Etienne, Univ Lyon, Univ Jean Monnet, INSERM, U 1059 Sainbiose, Centre CIS, F-42023 Saint-Etienne, France
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12
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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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13
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Gu Y, Pigeot S, Ahrens L, Tribukait-Riemenschneider F, Sarem M, Wolf F, García-García A, Barbero A, Martin I, Shastri VP. Toward 3D Bioprinting of Osseous Tissue of Predefined Shape Using Single-Matrix Cell-Bioink Constructs. Adv Healthc Mater 2022; 12:e2202550. [PMID: 36527264 DOI: 10.1002/adhm.202202550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/08/2022] [Indexed: 12/23/2022]
Abstract
Engineering living bone tissue of defined shape on-demand has remained a challenge. 3D bioprinting (3DBP), a biofabrication process capable of yielding cell constructs of defined shape, when combined with developmental engineering can provide a possible path forward. Through the development of a bioink possessing appropriate rheological properties to carry a high cell load and concurrently yield physically stable structures, printing of stable, cell-laden, single-matrix constructs of anatomical shapes is realized without the need for fugitive or support phases. Using this bioink system, constructs of hypertrophic cartilage of predesigned geometry are engineered in vitro by printing human mesenchymal stromal cells at a high density to drive spontaneous condensation and implanted in nude mice to evoke endochondral ossification. The implanted constructs retain their prescribed shape over a 12-week period and undergo remodeling to yield ossicles of the designed shape with neovascularization. Microcomputed tomography, histological, and immunohistochemistry assessments confirm bone tissue characteristics and the presence of human cells. These results demonstrate the potential of 3DBP to fabricate complex bone tissue for clinical application.
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Affiliation(s)
- Yawei Gu
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
| | - Sebastien Pigeot
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Lucas Ahrens
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
| | | | - Melika Sarem
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany
| | - Francine Wolf
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Andres García-García
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Andrea Barbero
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, University of Basel, Basel, 4031, Switzerland
| | - V Prasad Shastri
- Institute for Macromolecular Chemistry, University of Freiburg, 79104, Freiburg, Germany.,BIOSS Centre for Biological Signalling Studies, University of Freiburg, 79104, Freiburg, Germany
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14
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Galliger Z, Vogt CD, Helms HR, Panoskaltsis-Mortari A. Extracellular Matrix Microparticles Improve GelMA Bioink Resolution for 3D Bioprinting at Ambient Temperature. MACROMOLECULAR MATERIALS AND ENGINEERING 2022; 307:2200196. [PMID: 36531127 PMCID: PMC9757590 DOI: 10.1002/mame.202200196] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Indexed: 06/17/2023]
Abstract
Introduction Current bioinks for 3D bioprinting, such as gelatin-methacryloyl, are generally low viscosity fluids at room temperature, requiring specialized systems to create complex geometries. Methods and Results Adding decellularized extracellular matrix microparticles derived from porcine tracheal cartilage to gelatin-methacryloyl creates a yield stress fluid capable of forming self-supporting structures. This bioink blend performs similarly at 25°C to gelatin-methacryloyl alone at 15°C in linear resolution, print fidelity, and tensile mechanics. Conclusion This method lowers barriers to manufacturing complex tissue geometries and removes the need for cooling systems.
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Affiliation(s)
- Zachary Galliger
- Biomedical Engineering Graduate Program, University of Minnesota, Minneapolis, MN
| | - Caleb D. Vogt
- Biomedical Engineering Graduate Program; Medical Scientist Training Program, University of Minnesota, 420 Delaware St. SE, Minneapolis, MN
| | - Haylie R. Helms
- Department of Pediatrics, Division of Blood and Marrow Transplantation & Cell Therapy, University of Minnesota, 420 Delaware St. SE, Minneapolis, MN
| | - Angela Panoskaltsis-Mortari
- Department of Pediatrics, Division of Blood and Marrow Transplantation & Cell Therapy; Department of Medicine, Division of Pulmonary, Allergy, Critical Care & Sleep, University of Minnesota, 420 Delaware St. SE., Minneapolis, MN
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15
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Engineering bone-forming biohybrid sheets through the integration of melt electrowritten membranes and cartilaginous microspheroids. Acta Biomater 2022:S1742-7061(22)00693-6. [DOI: 10.1016/j.actbio.2022.10.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 10/06/2022] [Accepted: 10/18/2022] [Indexed: 11/21/2022]
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16
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Agten H, Van Hoven I, Viseu SR, Van Hoorick J, Van Vlierberghe S, Luyten FP, Bloemen V. In Vitro and In Vivo Evaluation of 3D Constructs Engineered with Human iPSC-Derived Chondrocytes in Gelatin-Methacryloyl Hydrogel. Biotechnol Bioeng 2022; 119:2950-2963. [PMID: 35781799 DOI: 10.1002/bit.28168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 05/06/2022] [Accepted: 06/15/2022] [Indexed: 11/09/2022]
Abstract
Articular cartilage defects have limited healing potential and, when left untreated, can lead to osteoarthritis. Tissue engineering focuses on regenerating the damaged joint surface, preferably in an early stage. Here we investigate the regenerative potential of 3D constructs consisting of human iPSC-derived chondrocytes in gelatin-methacryloyl (GelMA) hydrogel for stable hyaline cartilage production. iPSC-derived chondrocytes are encapsulated in GelMA hydrogel at low (1x107 mL-1 ) and high (2x107 mL-1 ) density. In conventional medium, GelMA hydrogel supports the chondrocyte phenotype, as opposed to cells cultured in 3D in absence of hydrogel. Moreover, encapsulated iPSC-derived chondrocytes preserve their in vivo matrix formation capacity after 21 days in vitro. In differentiation medium, hyaline cartilage-like tissue forms after 21 days, demonstrated by highly sulfated glycosaminoglycans and collagen type II. Matrix deposition is delayed at low encapsulation density, corroborating with lower transcript levels of COL2A1. An ectopic assay in nude mice demonstrates further maturation of the matrix deposited in vitro. Direct ectopic implantation of iPSC-derived chondrocyte-laden GelMA, without in vitro priming, also generates hyaline cartilage-like tissue, albeit less mature. Since it is unclear what maturity upon implantation is desired for joint surface regeneration, this is an attractive technology to generate immature and more mature hyaline cartilage-like tissue. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Hannah Agten
- Surface and Interface Engineered Materials (SIEM), Group T Leuven Campus, KU Leuven, Andreas Vesaliusstraat 13 box, 2600, Leuven, Belgium.,Prometheus, Division of Skeletal Tissue Engineering, Skeletal Biology and Engineering Research Center, O&N 1, KU Leuven, Herestraat 49 Box, 813, Leuven, Belgium
| | - Inge Van Hoven
- Prometheus, Division of Skeletal Tissue Engineering, Skeletal Biology and Engineering Research Center, O&N 1, KU Leuven, Herestraat 49 Box, 813, Leuven, Belgium
| | - Samuel Ribeiro Viseu
- Prometheus, Division of Skeletal Tissue Engineering, Skeletal Biology and Engineering Research Center, O&N 1, KU Leuven, Herestraat 49 Box, 813, Leuven, Belgium
| | - Jasper Van Hoorick
- Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry, Ghent University, Ghent, Belgium, Krijgslaan 281, S4-Bis, Ghent, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry & Biomaterials Group, Centre of Macromolecular Chemistry, Ghent University, Ghent, Belgium, Krijgslaan 281, S4-Bis, Ghent, Belgium
| | - Frank P Luyten
- Prometheus, Division of Skeletal Tissue Engineering, Skeletal Biology and Engineering Research Center, O&N 1, KU Leuven, Herestraat 49 Box, 813, Leuven, Belgium
| | - Veerle Bloemen
- Surface and Interface Engineered Materials (SIEM), Group T Leuven Campus, KU Leuven, Andreas Vesaliusstraat 13 box, 2600, Leuven, Belgium.,Prometheus, Division of Skeletal Tissue Engineering, Skeletal Biology and Engineering Research Center, O&N 1, KU Leuven, Herestraat 49 Box, 813, Leuven, Belgium
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17
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Kiyotake EA, Cheng ME, Thomas EE, Detamore MS. The Rheology and Printability of Cartilage Matrix-Only Biomaterials. Biomolecules 2022; 12:biom12060846. [PMID: 35740971 PMCID: PMC9220845 DOI: 10.3390/biom12060846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/27/2022] [Accepted: 06/14/2022] [Indexed: 01/19/2023] Open
Abstract
The potential chondroinductivity from cartilage matrix makes it promising for cartilage repair; however, cartilage matrix-based hydrogels developed thus far have failed to match the mechanical performance of native cartilage or be bioprinted without adding polymers for reinforcement. There is a need for cartilage matrix-based hydrogels with robust mechanical performance and paste-like precursor rheology for bioprinting/enhanced surgical placement. In the current study, our goals were to increase hydrogel stiffness and develop the paste-like precursor/printability of our methacryl-modified solubilized and devitalized cartilage (MeSDVC) hydrogels. We compared two methacryloylating reagents, methacrylic anhydride (MA) and glycidyl methacrylate (GM), and varied the molar excess (ME) of MA from 2 to 20. The MA-modified MeSDVCs had greater methacryloylation than GM-modified MeSDVC (20 ME). While GM and most of the MA hydrogel precursors exhibited paste-like rheology, the 2 ME MA and GM MeSDVCs had the best printability (i.e., shape fidelity, filament collapse). After crosslinking, the 2 ME MA MeSDVC had the highest stiffness (1.55 ± 0.23 MPa), approaching the modulus of native cartilage, and supported the viability/adhesion of seeded cells for 15 days. Overall, the MA (2 ME) improved methacryloylation, hydrogel stiffness, and printability, resulting in a stand-alone MeSDVC printable biomaterial. The MeSDVC has potential as a future bioink and has future clinical relevance for cartilage repair.
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Affiliation(s)
- Emi A. Kiyotake
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA; (E.A.K.); (M.E.C.)
| | - Michael E. Cheng
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA; (E.A.K.); (M.E.C.)
| | - Emily E. Thomas
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Michael S. Detamore
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, OK 73019, USA; (E.A.K.); (M.E.C.)
- Correspondence:
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18
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Chen S, Luo J, Shen L, Liu X, Wang W, Xu J, Ren Y, Ye Y, Shi G, Cheng F, Cheng L, Su X, Dai L, Gou M, Deng H. 3D Printing Mini-Capsule Device for Islet Delivery to Treat Type 1 Diabetes. ACS APPLIED MATERIALS & INTERFACES 2022; 14:23139-23151. [PMID: 35544723 DOI: 10.1021/acsami.2c02487] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Transplantation of encapsulated islets has been shown to hold a promising potential treatment for type 1 diabetes (T1D). However, there are several obstacles to overcome, such as immune rejection by the host of the grafts, sustainability of islet function, and retrievability or replacement of the encapsulated system, hinder their clinical applications. In this study, mini-capsule devices containing islets were fabricated by using digital light processing (DLP) 3D printing. To ensure a high survival rate and low immunogenicity of the fabricated islets, 20s was selected as the most suitable printing condition. Meanwhile, the mini-capsule devices with a groove structure were fabricated to prevent islet cells leakage. Subcutaneous transplantations of encapsulated islets in immunocompetent C57BL/6 mice indicated significant improvement in the symptoms of streptozotocin-induced hyperglycemia without any immunosuppression treatment for at least 15 weeks. In vivo intraperitoneal glucose tolerance tests (IPGTT) performed at different time points demonstrated therapeutically relevant glycemic ameliorate of the device. The implants retrieved after 15 weeks still contained viable and adequate numbers of islet cells. The results of this study indicate that the proposed mini-capsule device can deliver sufficient islet cell mass, prevent islet cells leakage, and maintain long-term cell survival while allowing easy retrieval. Furthermore, the proposed encapsulated islets may help with T1D cellular treatment by overcoming the obstacles of islet transplantation.
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Affiliation(s)
- Shuang Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jing Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lanlin Shen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xuan Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wenshuang Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jia Xu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yushuang Ren
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yixin Ye
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Gang Shi
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Fuyi Cheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lin Cheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xiaolan Su
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Lei Dai
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Maling Gou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Hongxin Deng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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19
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Kahraman E, Ribeiro R, Lamghari M, Neto E. Cutting-Edge Technologies for Inflamed Joints on Chip: How Close Are We? Front Immunol 2022; 13:802440. [PMID: 35359987 PMCID: PMC8960235 DOI: 10.3389/fimmu.2022.802440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 02/18/2022] [Indexed: 11/17/2022] Open
Abstract
Osteoarthritis (OA) is a painful and disabling musculoskeletal disorder, with a large impact on the global population, resulting in several limitations on daily activities. In OA, inflammation is frequent and mainly controlled through inflammatory cytokines released by immune cells. These outbalanced inflammatory cytokines cause cartilage extracellular matrix (ECM) degradation and possible growth of neuronal fibers into subchondral bone triggering pain. Even though pain is the major symptom of musculoskeletal diseases, there are still no effective treatments to counteract it and the mechanisms behind these pathologies are not fully understood. Thus, there is an urgent need to establish reliable models for assessing the molecular mechanisms and consequently new therapeutic targets. Models have been established to support this research field by providing reliable tools to replicate the joint tissue in vitro. Studies firstly started with simple 2D culture setups, followed by 3D culture focusing mainly on cell-cell interactions to mimic healthy and inflamed cartilage. Cellular approaches were improved by scaffold-based strategies to enhance cell-matrix interactions as well as contribute to developing mechanically more stable in vitro models. The progression of the cartilage tissue engineering would then profit from the integration of 3D bioprinting technologies as these provide 3D constructs with versatile structural arrangements of the 3D constructs. The upgrade of the available tools with dynamic conditions was then achieved using bioreactors and fluid systems. Finally, the organ-on-a-chip encloses all the state of the art on cartilage tissue engineering by incorporation of different microenvironments, cells and stimuli and pave the way to potentially simulate crucial biological, chemical, and mechanical features of arthritic joint. In this review, we describe the several available tools ranging from simple cartilage pellets to complex organ-on-a-chip platforms, including 3D tissue-engineered constructs and bioprinting tools. Moreover, we provide a fruitful discussion on the possible upgrades to enhance the in vitro systems making them more robust regarding the physiological and pathological modeling of the joint tissue/OA.
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Affiliation(s)
- Emine Kahraman
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal.,Faculdade de Engenharia da Universidade do Porto (FEUP), Rua Dr. Roberto Frias, Porto, Portugal
| | - Ricardo Ribeiro
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Meriem Lamghari
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
| | - Estrela Neto
- Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto, Porto, Portugal
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20
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Celikkin N, Mastrogiacomo S, Dou W, Heerschap A, Oosterwijk E, Walboomers XF, Święszkowski W. In vitro and in vivo assessment of a 3D printable gelatin methacrylate hydrogel for bone regeneration applications. J Biomed Mater Res B Appl Biomater 2022; 110:2133-2145. [PMID: 35388573 DOI: 10.1002/jbm.b.35067] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 03/11/2022] [Accepted: 03/19/2022] [Indexed: 12/15/2022]
Abstract
Bone tissue engineering (BTE) has made significant progress in developing and assessing different types of bio-substitutes. However, scaffolds production through standardized methods, as required for good manufacturing process (GMP), and post-transplant in vivo monitoring still limit their translation into the clinic. 3D printed 5% GelMA scaffolds have been prepared through an optimized and reproducible process in this work. Mesenchymal stem cells (MSC) were encapsulated in the 3D printable GelMA ink, and their biological properties were assessed in vitro to evaluate their potential for cell delivery application. Moreover, in vivo implantation of the pristine 3D printed GelMA has been performed in a rat condyle defect model. Whereas optimal tissue integration was observed via histology, no signs of fibrotic encapsulation or inhibited bone formation were attained. A multimodal imaging workflow based on computed tomography (CT) and magnetic resonance imaging (MRI) allowed the simultaneous monitoring of both new bone formation and scaffold degradation. These outcomes point out the direction to undertake in developing 3D printed-based hydrogels for BTE that can allow a faster transition into clinical use.
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Affiliation(s)
- Nehar Celikkin
- Faculty of Material Science and Engineering, Warsaw University of Technology, Warsaw, Poland.,Institute of Physical Chemistry, Polish Academy of Sciences, Warsaw, Poland
| | - Simone Mastrogiacomo
- Department of Biomaterials, Radboud University Medical Center, Nijmegen, The Netherlands.,Laboratory of Functional and Molecular Imaging, NINDS, National Institutes of Health, Bethesda, MD, USA
| | - Weiqiang Dou
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Arend Heerschap
- Department of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Egbert Oosterwijk
- Department of Urology, Radboud Institute for Molecular Life Science, Radboud University Medical Center, Nijmegen, The Netherlands
| | - X Frank Walboomers
- Department of Biomaterials, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Wojciech Święszkowski
- Faculty of Material Science and Engineering, Warsaw University of Technology, Warsaw, Poland
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21
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Diaz-Payno PJ, Browe D, Freeman FE, Nulty J, Burdis R, Kelly DJ. GREM1 suppresses hypertrophy of engineered cartilage in vitro but not bone formation in vivo. Tissue Eng Part A 2022; 28:724-736. [PMID: 35297694 DOI: 10.1089/ten.tea.2021.0176] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Current repair of articular cartilage (AC) often leads to a lower quality tissue with an unstable hypertrophic phenotype, susceptible to endochondral ossification and development of osteoarthritis. Engineering phenotypically stable AC remains a significant challenge in the cartilage engineering field. This motivates new strategies inspired from the extracellular matrix (ECM) proteins unique to phenotypically stable AC. We have previously shown that BMP antagonist gremlin-1 (GREM1) protein, present in permanent but not transient cartilage, suppresses the hypertrophy of chondrogenically primed bone marrow stem cells (BMSCs) in pellet culture. The goal of this study was to assess the effect of GREM1 on the in vitro and in vivo phenotypic stability of porcine BMSC derived cartilage engineered within chondro-permissive scaffolds. In addition, we explored whether GREM1 would synergise with physioxia, a potent chondrogenesis regulator, when engineering cartilage grafts. GREM1 did not influence the expression of chondrogenic markers (SOX-9, COL2A1), but did suppress the expression of hypertrophic markers (MMP13, COL10A1) in vitro. Cartilage engineered with GREM1 contained higher levels of residual cartilage after 4 weeks in vivo, but endochondral bone formation was not prevented. Higher GREM1 levels did not significantly alter the fate of engineered tissues in vitro or in vivo. The combination of physioxia and GREM1 resulted in higher sGAG deposition in vitro and greater retention of cartilage matrix in vivo than physioxia alone, but again did not suppress endochondral ossification. Therefore, while physioxia and GREM1 regulate BMSCs chondrogenesis in vitro and reduce cartilage loss in vivo, their use does not guarantee the development of stable cartilage.
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Affiliation(s)
- Pedro J Diaz-Payno
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
| | - David Browe
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
| | - Fiona E Freeman
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
| | - Jessica Nulty
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
| | - Ross Burdis
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
| | - Daniel John Kelly
- University of Dublin Trinity College Department of Mechanical & Manufacturing Engineering, 548636, Dublin, Ireland;
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22
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Stanton AE, Tong X, Jing S, Behn AW, Storaci H, Yang F. Aligned microribbon scaffolds with hydroxyapatite gradient for engineering bone-tendon interface. Tissue Eng Part A 2022; 28:712-723. [PMID: 35229651 PMCID: PMC9469746 DOI: 10.1089/ten.tea.2021.0099] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Injuries of the bone-to-tendon interface, such as rotator cuff and anterior cruciate ligament tears, are prevalent yet effective methods for repair remain elusive. Tissue engineering approaches that use cells and biomaterials offer a promising potential solution for engineering the bone-tendon interface, but previous strategies require seeding multiple cell types and use of multiphasic scaffolds to achieve zonal-specific tissue phenotype. Furthermore, mimicking the aligned tissue morphology present in native bone-tendon interface in 3D remains challenging. To facilitate clinical translation, engineering bone-tendon interface using a single cell source and one continuous scaffold with alignment cues would be more attractive, but has not been achieved before. To address these unmet needs, here we develop an aligned gelatin-microribbon (μRB) hydrogel scaffold with hydroxyapatite nanoparticle (HA-np) gradient for guiding zonal-specific differentiation of human mesenchymal stem cell (hMSC) to mimic the bone-tendon interface. We demonstrate aligned μRBs led to cell alignment in 3D, and HA gradient induced zonal-specific differentiation of MSCs that resembles the transition at the bone-tendon interface. Short chrondrogenic priming prior to exposure to osteogenic factors further enhanced the mimicry of bone-cartilage-tendon transition with significantly improved tensile moduli of the resulting tissues. In summary, aligned gelatin μRBs with HA gradient coupled with optimized soluble factors may offer a promising strategy for engineering bone-tendon interface using a single cell source.
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Affiliation(s)
- Alice E Stanton
- Stanford University, Bioengineering, Stanford, California, United States;
| | - Xinming Tong
- Stanford University, Department of Orthopaedic Surgery, 300 Pasteur Dr., Edwards R114, Stanford, California, United States, 94305;
| | - Serena Jing
- Stanford University, Stanford, California, United States;
| | - Anthony W Behn
- Stanford University, Stanford, California, United States;
| | - Hunter Storaci
- Stanford University School of Medicine, 10624, Orthopaedic Surgery, Stanford, California, United States;
| | - Fan Yang
- Stanford University, Orthopaedic Surgery and Bioengineering, Stanford, California, United States;
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23
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Cartilage Formation In Vivo Using High Concentration Collagen-Based Bioink with MSC and Decellularized ECM Granules. Int J Mol Sci 2022; 23:ijms23052703. [PMID: 35269850 PMCID: PMC8910854 DOI: 10.3390/ijms23052703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to verify the applicability of high-concentration collagen-based bioink with MSC (ADSC) and decellularized ECM granules for the formation of cartilage tissue de novo after subcutaneous implantation of the scaffolds in rats. The printability of the bioink (4% collagen, 2.5% decellularized ECM granules, derived via 280 μm sieve) was shown. Three collagen-based compositions were studied: (1) with ECM; (2) with MSC; (3) with ECM and MSC. It has been established that decellularized ECM granules are able to stimulate chondrogenesis both in cell-free and MSC-laden scaffolds. Undesirable effects have been identified: bone formation as well as cartilage formation outside of the scaffold area. The key perspectives and limitations of ECM granules (powder) application have been discussed.
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24
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Implication of Mesenchymal Stem Cells and Their Derivates for Osteochondral Regeneration. Int J Mol Sci 2022; 23:ijms23052490. [PMID: 35269633 PMCID: PMC8910214 DOI: 10.3390/ijms23052490] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/11/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Healing of articular cartilage defects presents a challenging issue, due to its regenerative shortcomings. Lacking vascularity and innervation of cartilage and low proliferative potential of chondrocytes are the main reasons for the limited healing potential of articular cartilage. Traditional reparative approaches are limited in their efficiency, hence there is a demand for novel reparative treatments. Mesenchymal stromal cells, preferred for clinical uses, can be readily derived from various sources and have been proven to have a therapeutic effect on cartilage and subchondral bone. Therefore, mesenchymal stromal cells, their derivates, and scaffolds have been utilized in research targeting osteochondral regeneration. The present review aims to comprehensively outline and discuss literature considering this topic published within last 5 years.
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25
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Kurian AG, Singh RK, Patel KD, Lee JH, Kim HW. Multifunctional GelMA platforms with nanomaterials for advanced tissue therapeutics. Bioact Mater 2022; 8:267-295. [PMID: 34541401 PMCID: PMC8424393 DOI: 10.1016/j.bioactmat.2021.06.027] [Citation(s) in RCA: 137] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 02/06/2023] Open
Abstract
Polymeric hydrogels are fascinating platforms as 3D scaffolds for tissue repair and delivery systems of therapeutic molecules and cells. Among others, methacrylated gelatin (GelMA) has become a representative hydrogel formulation, finding various biomedical applications. Recent efforts on GelMA-based hydrogels have been devoted to combining them with bioactive and functional nanomaterials, aiming to provide enhanced physicochemical and biological properties to GelMA. The benefits of this approach are multiple: i) reinforcing mechanical properties, ii) modulating viscoelastic property to allow 3D printability of bio-inks, iii) rendering electrical/magnetic property to produce electro-/magneto-active hydrogels for the repair of specific tissues (e.g., muscle, nerve), iv) providing stimuli-responsiveness to actively deliver therapeutic molecules, and v) endowing therapeutic capacity in tissue repair process (e.g., antioxidant effects). The nanomaterial-combined GelMA systems have shown significantly enhanced and extraordinary behaviors in various tissues (bone, skin, cardiac, and nerve) that are rarely observable with GelMA. Here we systematically review these recent efforts in nanomaterials-combined GelMA hydrogels that are considered as next-generation multifunctional platforms for tissue therapeutics. The approaches used in GelMA can also apply to other existing polymeric hydrogel systems.
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Affiliation(s)
- Amal George Kurian
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Rajendra K. Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
| | - Kapil D. Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, WC1X8LD, UK
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, Republic of Korea
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, Republic of Korea
- Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
- Department of Regenerative Dental Medicine, College of Dentistry, Dankook University, Cheonan, 31116, Republic of Korea
- Mechanobiology Dental Medicine Research Center, Dankook University, Cheonan, 31116, Republic of Korea
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26
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Dixon DT, Gomillion CT. Conductive Scaffolds for Bone Tissue Engineering: Current State and Future Outlook. J Funct Biomater 2021; 13:1. [PMID: 35076518 PMCID: PMC8788550 DOI: 10.3390/jfb13010001] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 12/15/2022] Open
Abstract
Bone tissue engineering strategies attempt to regenerate bone tissue lost due to injury or disease. Three-dimensional (3D) scaffolds maintain structural integrity and provide support, while improving tissue regeneration through amplified cellular responses between implanted materials and native tissues. Through this, scaffolds that show great osteoinductive abilities as well as desirable mechanical properties have been studied. Recently, scaffolding for engineered bone-like tissues have evolved with the use of conductive materials for increased scaffold bioactivity. These materials make use of several characteristics that have been shown to be useful in tissue engineering applications and combine them in the hope of improved cellular responses through stimulation (i.e., mechanical or electrical). With the addition of conductive materials, these bioactive synthetic bone substitutes could result in improved regeneration outcomes by reducing current factors limiting the effectiveness of existing scaffolding materials. This review seeks to overview the challenges associated with the current state of bone tissue engineering, the need to produce new grafting substitutes, and the promising future that conductive materials present towards alleviating the issues associated with bone repair and regeneration.
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Affiliation(s)
- Damion T. Dixon
- School of Environmental, Civil, Agricultural and Mechanical Engineering, University of Georgia, Athens, GA 30602, USA;
| | - Cheryl T. Gomillion
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, GA 30602, USA
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27
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Restoring Osteochondral Defects through the Differentiation Potential of Cartilage Stem/Progenitor Cells Cultivated on Porous Scaffolds. Cells 2021; 10:cells10123536. [PMID: 34944042 PMCID: PMC8700224 DOI: 10.3390/cells10123536] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 11/16/2022] Open
Abstract
Cartilage stem/progenitor cells (CSPCs) are cartilage-specific, multipotent progenitor cells residing in articular cartilage. In this study, we investigated the characteristics and potential of human CSPCs combined with poly(lactic-co-glycolic acid) (PLGA) scaffolds to induce osteochondral regeneration in rabbit knees. We isolated CSPCs from human adult articular cartilage undergoing total knee replacement (TKR) surgery. We characterized CSPCs and compared them with infrapatellar fat pad-derived stem cells (IFPs) in a colony formation assay and by multilineage differentiation analysis in vitro. We further evaluated the osteochondral regeneration of the CSPC-loaded PLGA scaffold during osteochondral defect repair in rabbits. The characteristics of CSPCs were similar to those of mesenchymal stem cells (MSCs) and exhibited chondrogenic and osteogenic phenotypes without chemical induction. For in vivo analysis, CSPC-loaded PLGA scaffolds produced a hyaline-like cartilaginous tissue, which showed good integration with the host tissue and subchondral bone. Furthermore, CSPCs migrated in response to injury to promote subchondral bone regeneration. Overall, we demonstrated that CSPCs can promote osteochondral regeneration. A monophasic approach of using diseased CSPCs combined with a PLGA scaffold may be beneficial for repairing complex tissues, such as osteochondral tissue.
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28
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Zonal-Layered Chondrocyte Sheets for Repairment of Full-Thickness Articular Cartilage Defect: A Mini-Pig Model. Biomedicines 2021; 9:biomedicines9121806. [PMID: 34944622 PMCID: PMC8698967 DOI: 10.3390/biomedicines9121806] [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: 11/02/2021] [Revised: 11/19/2021] [Accepted: 11/26/2021] [Indexed: 11/16/2022] Open
Abstract
The cell sheet technique is a promising approach for tissue engineering, and the present study is aimed to determine a better configuration of cell sheets for cartilage repair. For stratified chondrocyte sheets (S-CS), articular chondrocytes isolated from superficial, middle, and deep zones were stacked accordingly. Heterogeneous chondrocyte sheets (H-CS) were obtained by mixing zonal chondrocytes. The expressions of chondrocytes, cytokine markers, and glycosaminoglycan (GAG) production were assessed in an in vitro assay. The curative effect was investigated in an in vivo porcine osteochondral defect model. The S-CS showed a higher cell viability, proliferation rate, expression of chondrogenic markers, secretion of tissue inhibitor of metalloproteinase, and GAG production level than the H-CS group. The expressions of ECM destruction enzyme and proinflammatory cytokines were lower in the S-CS group. In the mini-pigs articular cartilage defect model, the S-CS group had a higher International Cartilage Repair Society (ICRS) macroscopic score and displayed a zonal structure that more closely resembled the native cartilage than those implanted with the H-CS. Our study demonstrated that the application of the S-CS increased the hyaline cartilage formation and improved the surgical outcome of chondrocyte implication, offering a better tissue engineering strategy for treating articular cartilage defects.
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29
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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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30
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Levato R, Lim KS, Li W, Asua AU, Peña LB, Wang M, Falandt M, Bernal PN, Gawlitta D, Zhang YS, Woodfield TBF, Malda J. High-resolution lithographic biofabrication of hydrogels with complex microchannels from low-temperature-soluble gelatin bioresins. Mater Today Bio 2021; 12:100162. [PMID: 34870141 PMCID: PMC8626672 DOI: 10.1016/j.mtbio.2021.100162] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/18/2021] [Accepted: 11/18/2021] [Indexed: 12/20/2022] Open
Abstract
Biofabrication via light-based 3D printing offers superior resolution and ability to generate free-form architectures, compared to conventional extrusion technologies. While extensive efforts in the design of new hydrogel bioinks lead to major advances in extrusion methods, the accessibility of lithographic bioprinting is still hampered by a limited choice of cell-friendly resins. Herein, we report the development of a novel set of photoresponsive bioresins derived from ichthyic-origin gelatin, designed to print high-resolution hydrogel constructs with embedded convoluted networks of vessel-mimetic channels. Unlike mammalian gelatins, these materials display thermal stability as pre-hydrogel solutions at room temperature, ideal for bioprinting on any easily-accessible lithographic printer. Norbornene- and methacryloyl-modification of the gelatin backbone, combined with a ruthenium-based visible light photoinitiator and new coccine as a cytocompatible photoabsorber, allowed to print structures resolving single-pixel features (∼50 μm) with high shape fidelity, even when using low stiffness gels, ideal for cell encapsulation (1-2 kPa). Moreover, aqueous two-phase emulsion bioresins allowed to modulate the permeability of the printed hydrogel bulk. Bioprinted mesenchymal stromal cells displayed high functionality over a month of culture, and underwent multi-lineage differentiation while colonizing the bioresin bulk with tissue-specific neo-deposited extracellular matrix. Importantly, printed hydrogels embedding complex channels with perfusable lumen (diameter <200 μm) were obtained, replicating anatomical 3D networks with out-of-plane branches (i.e. brain vessels) that cannot otherwise be reproduced by extrusion bioprinting. This versatile bioresin platform opens new avenues for the widespread adoption of lithographic biofabrication, and for bioprinting complex channel-laden constructs with envisioned applications in regenerative medicine and hydrogel-based organ-on-a-chip devices.
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Affiliation(s)
- Riccardo Levato
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, the Netherlands
- Department of Orthopaedics, University Medical Center Utrecht, the Netherlands
| | - Khoon S Lim
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch, the Netherlands
| | - Wanlu Li
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, USA
| | - Ane Urigoitia Asua
- Department of Orthopaedics, University Medical Center Utrecht, the Netherlands
| | - Laura Blanco Peña
- Department of Orthopaedics, University Medical Center Utrecht, the Netherlands
| | - Mian Wang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, USA
| | - Marc Falandt
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, the Netherlands
| | | | - Debby Gawlitta
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, the Netherlands
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, USA
| | - Tim B F Woodfield
- Christchurch Regenerative Medicine and Tissue Engineering (CReaTE) Group, Department of Orthopaedic Surgery and Musculoskeletal Medicine, University of Otago Christchurch, Christchurch, the Netherlands
| | - Jos Malda
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, the Netherlands
- Department of Orthopaedics, University Medical Center Utrecht, the Netherlands
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31
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Jiang G, Li S, Yu K, He B, Hong J, Xu T, Meng J, Ye C, Chen Y, Shi Z, Feng G, Chen W, Yan S, He Y, Yan R. A 3D-printed PRP-GelMA hydrogel promotes osteochondral regeneration through M2 macrophage polarization in a rabbit model. Acta Biomater 2021; 128:150-162. [PMID: 33894346 DOI: 10.1016/j.actbio.2021.04.010] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 03/25/2021] [Accepted: 04/01/2021] [Indexed: 12/17/2022]
Abstract
Osteochondral regeneration is an orchestrated process of inflammatory immunity, host cell response, and implant degradation in tissue engineering. Here, the effects of a platelet-rich plasma (PRP)-gelatin methacryloyl (GelMA) hydrogel scaffold fabricated using the digital micro-mirror device (DMD) technique for osteochondral repair were investigated in a rabbit model. GelMA hydrogels with different PRP concentrations were fabricated, and their roles in bone marrow mesenchymal stem cells (BMSCs) and macrophage polarization in vitro were investigated. The incorporation of 20% PRP into the hydrogel showed optimal effects on the proliferation, migration, and osteogenic and chondrogenic differentiation of BMSCs. The 20% PRP-GelMA (v/v) hydrogel also promoted M2 polarization with high expression of Arg1 and CD206. Compared to the 20% PRP group, the 50% PRP group showed similar biological roles in BMSCs but less extent of osteogenesis. In the vivo study, the 20% PRP-GelMA composite was used for osteochondral reconstruction and showed more cartilage and subchondral bone regeneration than that observed using the pure GelMA hydrogel. The PRP-GelMA group exhibited more M2 macrophage infiltration and less M1 macrophage presentation at three time points as compared to the nontreatment group. The expression of Arg1 in the PRP-GelMA group increased significantly at 6 weeks but decreased to a lower level at 12 weeks, while CD163 showed sustained high expression until 18 weeks. Our findings demonstrated that the 3D-printed PRP-GelMA composite could promote osteochondral repair through immune regulation by M2 polarization and could be a potential candidate for osteochondral tissue engineering. STATEMENT OF SIGNIFICANCE: PRP-GelMA hydrogels promoted the migration and osteogenic and chondrogenic differentiation of BMSCs. PRP-GelMA hydrogels participated in immune regulation and M1-to-M2 transition of macrophages. PRP-GelMA hydrogels coordinated and promoted several overlapping osteochondral repair events, including dynamic immune regulation, chemotaxis of MSCs, and osteochondral differentiation. PRP-GelMA hydrogels showed superior cartilage and subchondral bone repair properties.
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Velasco-Rodriguez B, Diaz-Vidal T, Rosales-Rivera LC, García-González CA, Alvarez-Lorenzo C, Al-Modlej A, Domínguez-Arca V, Prieto G, Barbosa S, Soltero Martínez JFA, Taboada P. Hybrid Methacrylated Gelatin and Hyaluronic Acid Hydrogel Scaffolds. Preparation and Systematic Characterization for Prospective Tissue Engineering Applications. Int J Mol Sci 2021; 22:ijms22136758. [PMID: 34201769 PMCID: PMC8268476 DOI: 10.3390/ijms22136758] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/17/2021] [Accepted: 06/19/2021] [Indexed: 02/06/2023] Open
Abstract
Hyaluronic acid (HA) and gelatin (Gel) are major components of the extracellular matrix of different tissues, and thus are largely appealing for the construction of hybrid hydrogels to combine the favorable characteristics of each biopolymer, such as the gel adhesiveness of Gel and the better mechanical strength of HA, respectively. However, despite previous studies conducted so far, the relationship between composition and scaffold structure and physico-chemical properties has not been completely and systematically established. In this work, pure and hybrid hydrogels of methacroyl-modified HA (HAMA) and Gel (GelMA) were prepared by UV photopolymerization and an extensive characterization was done to elucidate such correlations. Methacrylation degrees of ca. 40% and 11% for GelMA and HAMA, respectively, were obtained, which allows to improve the hydrogels’ mechanical properties. Hybrid GelMA/HAMA hydrogels were stiffer, with elastic modulus up to ca. 30 kPa, and porous (up to 91%) compared with pure GelMA ones at similar GelMA concentrations thanks to the interaction between HAMA and GelMA chains in the polymeric matrix. The progressive presence of HAMA gave rise to scaffolds with more disorganized, stiffer, and less porous structures owing to the net increase of mass in the hydrogel compositions. HAMA also made hybrid hydrogels more swellable and resistant to collagenase biodegradation. Hence, the suitable choice of polymeric composition allows to regulate the hydrogels´ physical properties to look for the most optimal characteristics required for the intended tissue engineering application.
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Affiliation(s)
- B. Velasco-Rodriguez
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
| | - T. Diaz-Vidal
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
| | - L. C. Rosales-Rivera
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
| | - C. A. García-González
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I + D Farma Group (GI-1645), Faculty of Pharmacy and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (C.A.G.-G.); (C.A.-L.)
| | - C. Alvarez-Lorenzo
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I + D Farma Group (GI-1645), Faculty of Pharmacy and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (C.A.G.-G.); (C.A.-L.)
| | - A. Al-Modlej
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - V. Domínguez-Arca
- Biophysics and Interfaces Group, Department of Applied Physics, Faculty of Physics, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (V.D.-A.); (G.P.)
| | - G. Prieto
- Biophysics and Interfaces Group, Department of Applied Physics, Faculty of Physics, Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain; (V.D.-A.); (G.P.)
| | - S. Barbosa
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
| | - J. F. A. Soltero Martínez
- Department of Chemical Engineering, CUCEI, Universidad de Guadalajara, Guadalajara 44430, Mexico; (B.V.-R.); (T.D.-V.); (L.C.R.-R.)
- Correspondence: (J.F.A.S.M.); (P.T.)
| | - P. Taboada
- Colloids and Polymers Physics Group, Department of Particle Physics, Faculty of Physics and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, E-15782 Santiago de Compostela, Spain;
- Correspondence: (J.F.A.S.M.); (P.T.)
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Schott NG, Friend NE, Stegemann JP. Coupling Osteogenesis and Vasculogenesis in Engineered Orthopedic Tissues. TISSUE ENGINEERING. PART B, REVIEWS 2021; 27:199-214. [PMID: 32854589 PMCID: PMC8349721 DOI: 10.1089/ten.teb.2020.0132] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/25/2020] [Indexed: 12/20/2022]
Abstract
Inadequate vascularization of engineered tissue constructs is a main challenge in developing a clinically impactful therapy for large, complex, and recalcitrant bone defects. It is well established that bone and blood vessels form concomitantly during development, as well as during repair after injury. Endothelial cells (ECs) and mesenchymal stromal cells (MSCs) are known to be key players in orthopedic tissue regeneration and vascularization, and these cell types have been used widely in tissue engineering strategies to create vascularized bone. Coculture studies have demonstrated that there is crosstalk between ECs and MSCs that can lead to synergistic effects on tissue regeneration. At the same time, the complexity in fabricating, culturing, and characterizing engineered tissue constructs containing multiple cell types presents a challenge in creating multifunctional tissues. In particular, the timing, spatial distribution, and cell phenotypes that are most conducive to promoting concurrent bone and vessel formation are not well understood. This review describes the processes of bone and vascular development, and how these have been harnessed in tissue engineering strategies to create vascularized bone. There is an emphasis on interactions between ECs and MSCs, and the culture systems that can be used to understand and control these interactions within a single engineered construct. Developmental engineering strategies to mimic endochondral ossification are discussed as a means of generating vascularized orthopedic tissues. The field of tissue engineering has made impressive progress in creating tissue replacements. However, the development of larger, more complex, and multifunctional engineered orthopedic tissues will require a better understanding of how osteogenesis and vasculogenesis are coupled in tissue regeneration. Impact statement Vascularization of large engineered tissue volumes remains a challenge in developing new and more biologically functional bone grafts. A better understanding of how blood vessels develop during bone formation and regeneration is needed. This knowledge can then be applied to develop new strategies for promoting both osteogenesis and vasculogenesis during the creation of engineered orthopedic tissues. This article summarizes the processes of bone and blood vessel development, with a focus on how endothelial cells and mesenchymal stromal cells interact to form vascularized bone both during development and growth, as well as tissue healing. It is meant as a resource for tissue engineers who are interested in creating vascularized tissue, and in particular to those developing cell-based therapies for large, complex, and recalcitrant bone defects.
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Affiliation(s)
- Nicholas G. Schott
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Nicole E. Friend
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - Jan P. Stegemann
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan, USA
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Buyuksungur S, Hasirci V, Hasirci N. 3D printed hybrid bone constructs of PCL and dental pulp stem cells loaded GelMA. J Biomed Mater Res A 2021; 109:2425-2437. [PMID: 34033241 DOI: 10.1002/jbm.a.37235] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/09/2021] [Accepted: 05/11/2021] [Indexed: 12/19/2022]
Abstract
Fabrication of scaffolds using polymers and then cell seeding is a routine protocol of tissue engineering applications. Synthetic polymers have adequate mechanical properties to substitute for some bone tissue, but they are generally hydrophobic and have no specific cell recognition sites, which leads to poor cell affinity and adhesion. Some natural polymers, have high cell affinity but are mechanically weak and do not have the strength required as a bone supporting material. In the present study, 3D printed hybrid scaffolds were fabricated using PCL and GelMA carrying dental pulp stem cells (DPSCs), which is printed in the gaps between the PCL struts. This cell loaded GelMA was shown to support osteoinductivity, while the PCL provided mechanical strength needed to mimic the bone tissue. 3D printed PCL/GelMA and GelMA scaffolds were highly stable during 21 days of incubation in PBS. The compressive moduli of the hybrid scaffolds were in the range of the compressive moduli of trabecular bone. DPSCs were homogeneously distributed throughout the entire hydrogel component and exhibited high cell viability in both scaffolds during 21 days of incubation. Upon osteogenic differentiation DPSCs expressed two key matrix proteins, osteopontin and osteocalcin. Alizarin red staining showed mineralized nodules, which demonstrates osteogenic differentiation of DPSCs within GelMA. This construct yielded a very high cell viability, osteogenic differentiation and mineralization comparable to cell culture without compromising mechanical strength suitable for bone tissue engineering applications. Thus, 3D printed, cell loaded PCL/GelMA hybrid scaffolds have a great potential for use in bone tissue engineering applications.
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Affiliation(s)
- Senem Buyuksungur
- BIOMATEN Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara, Turkey
| | - Vasif Hasirci
- BIOMATEN Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara, Turkey.,Department of Biotechnology, Middle East Technical University (METU), Ankara, Turkey.,Department of Medical Engineering, Acibadem Mehmet Ali Aydınlar University (ACU), Istanbul, Turkey.,ACU Biomaterials Center, Acibadem Mehmet Ali Aydınlar University (ACU), Istanbul, Turkey
| | - Nesrin Hasirci
- BIOMATEN Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara, Turkey.,Department of Biotechnology, Middle East Technical University (METU), Ankara, Turkey.,Department of Biomedical Engineering, Middle East Technical University (METU), Ankara, Turkey.,Department of Chemistry, Middle East Technical University (METU), Ankara, Turkey.,Tissue Engineering and Biomaterials Research Center, Near East University, Nicosia, TRNC, Turkey
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35
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Hall GN, Tam WL, Andrikopoulos KS, Casas-Fraile L, Voyiatzis GA, Geris L, Luyten FP, Papantoniou I. Patterned, organoid-based cartilaginous implants exhibit zone specific functionality forming osteochondral-like tissues in vivo. Biomaterials 2021; 273:120820. [PMID: 33872857 DOI: 10.1016/j.biomaterials.2021.120820] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 12/16/2022]
Abstract
Tissue engineered constructs have the potential to respond to the unmet medical need of treating deep osteochondral defects. However, current tissue engineering strategies struggle in the attempt to create patterned constructs with biologically distinct functionality. In this work, a developmentally-inspired modular approach is proposed, whereby distinct cartilaginous organoids are used as living building blocks. First, a hierarchical construct was created, composed of three layers of cartilaginous tissue intermediates derived from human periosteum-derived cells: (i) early (SOX9), (ii) mature (COL2) and (iii) (pre)hypertrophic (IHH, COLX) phenotype. Subcutaneous implantation in nude mice generated a hybrid tissue containing one mineralized and one non-mineralized part. However, the non-mineralized part was represented by a collagen type I positive fibrocartilage-like tissue. To engineer a more stable articular cartilage part, iPSC-derived cartilage microtissues (SOX9, COL2; IHH neg) were generated. Subcutaneous implantation of assembled iPSC-derived cartilage microtissues resulted in a homogenous cartilaginous tissue positive for collagen type II but negative for osteocalcin. Finally, iPSC-derived cartilage microtissues in combination with the pre-hypertrophic cartilage organoids (IHH, COLX) could form dual tissues consisting of i) a cartilaginous safranin O positive and ii) a bony osteocalcin positive region upon subcutaneous implantation, corresponding to the pre-engineered zonal pattern. The assembly of functional building blocks, as presented in this work, opens possibilities for the production of complex tissue engineered implants by embedding zone-specific functionality through the use of pre-programmed living building blocks.
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Affiliation(s)
- Gabriella Nilsson Hall
- Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium; Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium
| | - Wai Long Tam
- Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium
| | - Konstantinos S Andrikopoulos
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas, Stadiou, 26504, Platani, Patras, Greece; Department of Physics, University of Patras, GR-265 00, Rio-Patras, Greece
| | - Leire Casas-Fraile
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, O&N1, Herestraat 49, PB 813, Leuven, 3000, Belgium
| | - George A Voyiatzis
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas, Stadiou, 26504, Platani, Patras, Greece
| | - Liesbet Geris
- Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium; GIGA in Silico Medicine, Université de Liège, Avenue de L'Hôpital 11 - BAT 34, 4000, Liège 1, Belgium; Biomechanics Section, KU Leuven, Celestijnenlaan 300C, PB 2419, 3001, Leuven, Belgium
| | - Frank P Luyten
- Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium; Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium.
| | - Ioannis Papantoniou
- Prometheus Division of Skeletal Tissue Engineering, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium; Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, O&N1, Herestraat 49, PB 813, 3000, Leuven, Belgium; Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas, Stadiou, 26504, Platani, Patras, Greece.
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36
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Virdi JK, Pethe P. Biomaterials Regulate Mechanosensors YAP/TAZ in Stem Cell Growth and Differentiation. Tissue Eng Regen Med 2021; 18:199-215. [PMID: 33230800 PMCID: PMC8012461 DOI: 10.1007/s13770-020-00301-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 08/15/2020] [Accepted: 09/12/2020] [Indexed: 02/07/2023] Open
Abstract
Tissue-resident stem cells are surrounded by a microenvironment known as 'stem cell niche' which is specific for each stem cell type. This niche comprises of cell-intrinsic and -extrinsic factors like biochemical and biophysical signals, which regulate stem cell characteristics and differentiation. Biochemical signals have been thoroughly studied however, the effect of biophysical signals on stem cell regulation is yet to be completely understood. Biomaterials have aided in addressing this issue since they can provide a defined and tuneable microenvironment resembling in vivo conditions. We review various biomaterials used in many studies which have shown a connection between biomaterial-generated mechanical signals and alteration in stem cell behaviour. Researchers probed to understand the mechanism of mechanotransduction and reported that the signals from the extracellular matrix regulate a transcription factor yes-associated protein (YAP)/transcriptional coactivator with PDZ-binding motif (TAZ), which is a downstream-regulator of the Hippo pathway and it transduces the mechanical signals inside the nucleus. We highlight the role of the YAP/TAZ as mechanotransducers in stem cell self-renewal and differentiation in response to substrate stiffness, also the possibility of mechanobiology as the emerging field of regenerative medicines and three-dimensional tissue printing.
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Affiliation(s)
- Jasmeet Kaur Virdi
- Department of Biological Science, Sunandan Divatia School of Science, SVKM's NMIMS (Deemed to-be) University, Mumbai, India
| | - Prasad Pethe
- Symbiosis Centre for Stem Cell Research (SCSCR), Symbiosis International University, Lavale, Mulshi, Pune, 412115, India.
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37
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Liu L, Gao X, Li X, Zhu G, Li N, Shi X, Wang Y. Calcium alendronate-coated composite scaffolds promote osteogenesis of ADSCs via integrin and FAK/ERK signalling pathways. J Mater Chem B 2021; 8:6912-6924. [PMID: 32432602 DOI: 10.1039/d0tb00571a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Bioceramic-biopolymer composites have been used extensively as bone tissue engineering scaffolds due to their bioactive properties. However, composite scaffolds are insufficient in inducing osteogenic differentiation of stem cells. In this study, a strategy for the local delivery of bioactive factors by coating calcium alendronate (ALC) on the surface of composite scaffolds was systematically evaluated for the first time. The coated ALC not only displayed excellent cytocompatibility and cell adhesion properties but also resulted in the significant upregulation of osteogenic related gene expression, osteogenic related protein levels, alkaline phosphatase (ALP) activity and calcium deposition of ADSCs. Furthermore, our results suggested that the molecular mechanism of ADSC osteogenic differentiation induced by the constructed ALC may be related to the integrin binding and the activation of FAK/ERK signalling pathways. These findings suggested that ALC-coated composite scaffolds can serve as bone tissue engineering scaffolds, providing a simple and universal method to improve the osteogenic differentiation of ADSCs by calcium phosphate-containing composite materials.
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Affiliation(s)
- Lei Liu
- School of Material Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China.
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38
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Ravari MK, Mashayekhan S, Zarei F, Sayyahpour FA, Taghiyar L, Baghban Eslaminejad M. Fabrication and characterization of an injectable reinforced composite scaffold for cartilage tissue engineering: an in vitro study. Biomed Mater 2021; 16:045007. [PMID: 33784250 DOI: 10.1088/1748-605x/abed97] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
There are limitations in current medications of articular cartilage injuries. Although injectable bioactive hydrogels are promising options, they have decreased biomechanical performance. Researchers should consider many factors when providing solutions to overcome these challenges. In this study, we created an injectable composite hydrogel from chitosan and human acellular cartilage extracellular matrix (ECM) particles. In order to enhance its mechanical properties, we reinforced this hydrogel with microporous microspheres composed of the same materials as the structural building blocks of the scaffold. Articular cartilage from human donors was decellularized by a combination of physical, chemical, and enzymatic methods. The decellularization efficiency was assessed by histological analysis and assessment of DNA content. We characterized the composite constructs in terms of storage modulus, gelation time, biocompatibility, and differentiation potential. The results showed that mechanical behavior increased with an increase in microsphere content. The sample that contained 10% microsphere had an enhanced storage modulus of up to 90 kPa. Biocompatibility and preliminary differentiation investigations revealed that this composite hydrogel might have potential benefits for cartilage tissue engineering.
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Affiliation(s)
- Mojtaba Khozaei Ravari
- Department of chemical and petroleum engineering, Sharif University of Technology, Tehran 11365-8639, Iran. Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 19395-4644, Iran
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39
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Bittner SM, Pearce HA, Hogan KJ, Smoak MM, Guo JL, Melchiorri AJ, Scott DW, Mikos AG. Swelling Behaviors of 3D Printed Hydrogel and Hydrogel-Microcarrier Composite Scaffolds. Tissue Eng Part A 2021; 27:665-678. [PMID: 33470161 DOI: 10.1089/ten.tea.2020.0377] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
The present study sought to demonstrate the swelling behavior of hydrogel-microcarrier composite constructs to inform their use in controlled release and tissue engineering applications. In this study, gelatin methacrylate (GelMA) and GelMA-gelatin microparticle (GMP) composite constructs were three-dimensionally printed, and their swelling and degradation behavior was evaluated over time and as a function of the degree of crosslinking of included GMPs. GelMA-only constructs and composite constructs loaded with GMPs crosslinked with 10 mM (GMP-10) or 40 mM (GMP-40) glutaraldehyde were swollen in phosphate-buffered saline for up to 28 days to evaluate changes in swelling and polymer loss. In addition, scaffold reswelling capacity was evaluated under five successive drying-rehydration cycles. All printed materials demonstrated shear thinning behavior, with microparticle additives significantly increasing viscosity relative to the GelMA-only solution. Swelling results demonstrated that for GelMA/GMP-10 and GelMA/GMP-40 scaffolds, fold and volumetric swelling were statistically higher and lower, respectively, than for GelMA-only scaffolds after 28 days, and the volumetric swelling of GelMA and GelMA/GMP-40 scaffolds decreased over time. After 5 drying-rehydration cycles, GelMA scaffolds demonstrated higher fold swelling than both GMP groups while also showing lower volumetric swelling than GMP groups. Although statistical differences were not observed in the swelling of GMP-10 and GMP-40 particles alone, the interaction of GelMA/GMP demonstrated a significant effect on the swelling behaviors of composite scaffolds. These results demonstrate an example hydrogel-microcarrier composite system's swelling behavior and can inform the future use of such a composite system for controlled delivery of bioactive molecules in vitro and in vivo in tissue engineering applications. Impact statement In this study, porous three-dimensional printed (3DP) hydrogel constructs with and without natural polymer microcarriers were fabricated to observe swelling and degradation behavior under continuous swelling and drying-rehydration cycle conditions. Inclusion of microcarriers with different crosslinking densities led to distinct swelling behaviors for each biomaterial ink tested. 3DP hydrogel and hydrogel-microcarrier composite scaffolds have been commonly used in tissue engineering for the delivery of biomolecules. This study demonstrates the swelling behavior of porous hydrogel and hydrogel-microcarrier scaffolds that may inform later use of such materials for controlled release applications in a variety of fields including materials development and tissue regeneration.
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Affiliation(s)
- Sean M Bittner
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Hannah A Pearce
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Katie J Hogan
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA.,Medical Scientist Training Program, Baylor College of Medicine, Houston, Texas, USA
| | - Mollie M Smoak
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Jason L Guo
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - Anthony J Melchiorri
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
| | - David W Scott
- Department of Statistics, Rice University, Houston, Texas, USA
| | - Antonios G Mikos
- Department of Bioengineering and Rice University, Houston, Texas, USA.,Biomaterials Lab, Rice University, Houston, Texas, USA.,NIH/NIBIB Center for Engineering Complex Tissues, Rice University, Houston, Texas, USA
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40
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Papantoniou I, Nilsson Hall G, Loverdou N, Lesage R, Herpelinck T, Mendes L, Geris L. Turning Nature's own processes into design strategies for living bone implant biomanufacturing: a decade of Developmental Engineering. Adv Drug Deliv Rev 2021; 169:22-39. [PMID: 33290762 PMCID: PMC7839840 DOI: 10.1016/j.addr.2020.11.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 11/20/2020] [Accepted: 11/29/2020] [Indexed: 12/14/2022]
Abstract
A decade after the term developmental engineering (DE) was coined to indicate the use of developmental processes as blueprints for the design and development of engineered living implants, a myriad of proof-of-concept studies demonstrate the potential of this approach in small animal models. This review provides an overview of DE work, focusing on applications in bone regeneration. Enabling technologies allow to quantify the distance between in vitro processes and their developmental counterpart, as well as to design strategies to reduce that distance. By embedding Nature's robust mechanisms of action in engineered constructs, predictive large animal data and subsequent positive clinical outcomes can be gradually achieved. To this end, the development of next generation biofabrication technologies should provide the necessary scale and precision for robust living bone implant biomanufacturing.
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Affiliation(s)
- Ioannis Papantoniou
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology - Hellas (FORTH), Stadiou street, 26504 Patras, Greece; Skeletal Biology & Engineering Research Center, KU Leuven, Herestraat 49 (813), 3000 Leuven, Belgium; Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium.
| | - Gabriella Nilsson Hall
- Skeletal Biology & Engineering Research Center, KU Leuven, Herestraat 49 (813), 3000 Leuven, Belgium; Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium.
| | - Niki Loverdou
- Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium; GIGA in silico medicine, University of Liège, Avenue de l'Hôpital 11 (B34), 4000 Liège, Belgium; Biomechanics Section, KU Leuven, Celestijnenlaan 300C (2419), 3001 Leuven, Belgium.
| | - Raphaelle Lesage
- Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium; Biomechanics Section, KU Leuven, Celestijnenlaan 300C (2419), 3001 Leuven, Belgium.
| | - Tim Herpelinck
- Skeletal Biology & Engineering Research Center, KU Leuven, Herestraat 49 (813), 3000 Leuven, Belgium; Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium.
| | - Luis Mendes
- Skeletal Biology & Engineering Research Center, KU Leuven, Herestraat 49 (813), 3000 Leuven, Belgium; Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium.
| | - Liesbet Geris
- Skeletal Biology & Engineering Research Center, KU Leuven, Herestraat 49 (813), 3000 Leuven, Belgium; GIGA in silico medicine, University of Liège, Avenue de l'Hôpital 11 (B34), 4000 Liège, Belgium; Prometheus, The KU Leuven R&D Division for Skeletal Tissue Engineering, Herestraat 49 (813), 3000 Leuven, Belgium; Biomechanics Section, KU Leuven, Celestijnenlaan 300C (2419), 3001 Leuven, Belgium.
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Wu Y, Kennedy P, Bonazza N, Yu Y, Dhawan A, Ozbolat I. Three-Dimensional Bioprinting of Articular Cartilage: A Systematic Review. Cartilage 2021; 12:76-92. [PMID: 30373384 PMCID: PMC7755962 DOI: 10.1177/1947603518809410] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE Treatment of chondral injury is clinically challenging. Available chondral repair/regeneration techniques have significant shortcomings. A viable and durable tissue engineering strategy for articular cartilage repair remains an unmet need. Our objective was to systematically evaluate the published data on bioprinted articular cartilage with regards to scaffold-based, scaffold-free and in situ cartilage bioprinting. DESIGN We performed a systematic review of studies using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. PubMed and ScienceDirect databases were searched and all articles evaluating the use of 3-dimensional (3D) bioprinting in articular cartilage were included. Inclusion criteria included studies written in or translated to English, published in a peer-reviewed journal, and specifically discussing bioinks and/or bioprinting of living cells related to articular cartilage applications. Review papers, articles in a foreign language, and studies not involving bioprinting of living cells related to articular cartilage applications were excluded. RESULTS Twenty-seven studies for articular cartilage bioprinting were identified that met inclusion and exclusion criteria. The technologies, materials, cell types used in these studies, and the biological and physical properties of the created constructs have been demonstrated. CONCLUSION These 27 studies have demonstrated 3D bioprinting of articular cartilage to be a tissue engineering strategy that has tremendous potential translational value. The unique abilities of the varied techniques allow replication of mechanical properties and advances toward zonal differentiation. This review demonstrates that bioprinting has great capacity for clinical cartilage reconstruction and future in vivo implantation.
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Affiliation(s)
- Yang Wu
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, USA,The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, USA
| | - Patrick Kennedy
- Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Nicholas Bonazza
- Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Yin Yu
- Institute for Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, People’s Republic of China,University of Chinese Academy of Sciences, Beijing, People’s Republic of China
| | - Aman Dhawan
- Department of Orthopaedics and Rehabilitation, Penn State College of Medicine, Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Ibrahim Ozbolat
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, USA,The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, USA,Biomedical Engineering Department, Penn State University, University Park, PA, USA,Materials Research Institute, Penn State University, University Park, PA, USA,Ibrahim Tarik Ozbolat, Penn State University, W313 Millennium Science Complex, University Park, PA 16802, USA.
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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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Yu J, Park SA, Kim WD, Ha T, Xin YZ, Lee J, Lee D. Current Advances in 3D Bioprinting Technology and Its Applications for Tissue Engineering. Polymers (Basel) 2020; 12:E2958. [PMID: 33322291 PMCID: PMC7764360 DOI: 10.3390/polym12122958] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/30/2020] [Accepted: 12/07/2020] [Indexed: 12/25/2022] Open
Abstract
Three-dimensional (3D) bioprinting technology has emerged as a powerful biofabrication platform for tissue engineering because of its ability to engineer living cells and biomaterial-based 3D objects. Over the last few decades, droplet-based, extrusion-based, and laser-assisted bioprinters have been developed to fulfill certain requirements in terms of resolution, cell viability, cell density, etc. Simultaneously, various bio-inks based on natural-synthetic biomaterials have been developed and applied for successful tissue regeneration. To engineer more realistic artificial tissues/organs, mixtures of bio-inks with various recipes have also been developed. Taken together, this review describes the fundamental characteristics of the existing bioprinters and bio-inks that have been currently developed, followed by their advantages and disadvantages. Finally, various tissue engineering applications using 3D bioprinting are briefly introduced.
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Affiliation(s)
- JunJie Yu
- Department of Biomedical Engineering, School of Integrative Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 06974, Korea;
- Department of Nature-Inspired System and Application, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon 34103, Korea; (S.A.P.); (W.D.K.)
| | - Su A Park
- Department of Nature-Inspired System and Application, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon 34103, Korea; (S.A.P.); (W.D.K.)
| | - Wan Doo Kim
- Department of Nature-Inspired System and Application, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon 34103, Korea; (S.A.P.); (W.D.K.)
| | - Taeho Ha
- Department of 3D Printing, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon 34103, Korea;
| | - Yuan-Zhu Xin
- Department of Engineering Mechanics, School of Mechanical and Aerospace Engineering, Jilin University, No. 5988, Renmin Street, Changchun 130025, China;
| | - JunHee Lee
- Department of Nature-Inspired System and Application, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon 34103, Korea; (S.A.P.); (W.D.K.)
| | - Donghyun Lee
- Department of Biomedical Engineering, School of Integrative Engineering, Chung-Ang University, 221 Heukseok-Dong, Dongjak-Gu, Seoul 06974, Korea;
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Elkhoury K, Sanchez-Gonzalez L, Lavrador P, Almeida R, Gaspar V, Kahn C, Cleymand F, Arab-Tehrany E, Mano JF. Gelatin Methacryloyl (GelMA) Nanocomposite Hydrogels Embedding Bioactive Naringin Liposomes. Polymers (Basel) 2020; 12:polym12122944. [PMID: 33317207 PMCID: PMC7764353 DOI: 10.3390/polym12122944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/07/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023] Open
Abstract
The development of nanocomposite hydrogels that take advantage of hierarchic building blocks is gaining increased attention due to their added functionality and numerous biomedical applications. Gathering on the unique properties of these platforms, herein we report the synthesis of bioactive nanocomposite hydrogels comprising naringin-loaded salmon-derived lecithin nanosized liposomal building blocks and gelatin methacryloyl (GelMA) macro-sized hydrogels for their embedding. This platform takes advantage of liposomes’ significant drug loading capacity and their role in hydrogel network reinforcement, as well as of the injectability and light-mediated crosslinking of bioderived gelatin-based biomaterials. First, the physicochemical properties, as well as the encapsulation efficiency, release profile, and cytotoxicity of naringin-loaded nanoliposomes (LipoN) were characterized. Then, the effect of embedding LipoN in the GelMA matrix were characterized by studying the release behavior, swelling ratio, and hydrophilic character, as well as the rheological and mechanical properties of GelMA and GelMA-LipoN functionalized hydrogels. Finally, the dispersion of nanoliposomes encapsulating a model fluorescent probe in the GelMA matrix was visualized. The formulation of naringin-loaded liposomes via an optimized procedure yielded nanosized (114 nm) negatively charged particles with a high encapsulation efficiency (~99%). Naringin-loaded nanoliposomes administration to human adipose-derived stem cells confirmed their suitable cytocompatibility. Moreover, in addition to significantly extending the release of naringin from the hydrogel, the nanoliposomes inclusion in the GelMA matrix significantly increased its elastic and compressive moduli and decreased its swelling ratio, while showing an excellent dispersion in the hydrogel network. Overall, salmon-derived nanoliposomes enabled the inclusion and controlled release of pro-osteogenic bioactive molecules, as well as improved the hydrogel matrix properties, which suggests that these soft nanoparticles can play an important role in bioengineering bioactive nanocomposites for bone tissue engineering in the foreseeable future.
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Affiliation(s)
- Kamil Elkhoury
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | | | - Pedro Lavrador
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Rui Almeida
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Vítor Gaspar
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
| | - Cyril Kahn
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
| | - Franck Cleymand
- Institut Jean Lamour, CNRS-Université de Lorraine, F-54000 Nancy, France;
| | - Elmira Arab-Tehrany
- LIBio, Université de Lorraine, F-54000 Nancy, France; (K.E.); (L.S.-G.); (C.K.)
- Correspondence: (E.A.-T.); (J.F.M.)
| | - João F. Mano
- Department of Chemistry, CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (P.L.); (R.A.); (V.G.)
- Correspondence: (E.A.-T.); (J.F.M.)
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Azam Bozorgi Zarrini, Bozorgi M, Khazaei M, Soleimani M. Decellularized Extracellular Matrices in Bone Tissue Engineering: From Cells to Tissues. Mini-Review. ACTA ACUST UNITED AC 2020. [DOI: 10.1134/s1990519x20060127] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Mota C, Camarero-Espinosa S, Baker MB, Wieringa P, Moroni L. Bioprinting: From Tissue and Organ Development to in Vitro Models. Chem Rev 2020; 120:10547-10607. [PMID: 32407108 PMCID: PMC7564098 DOI: 10.1021/acs.chemrev.9b00789] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Indexed: 02/08/2023]
Abstract
Bioprinting techniques have been flourishing in the field of biofabrication with pronounced and exponential developments in the past years. Novel biomaterial inks used for the formation of bioinks have been developed, allowing the manufacturing of in vitro models and implants tested preclinically with a certain degree of success. Furthermore, incredible advances in cell biology, namely, in pluripotent stem cells, have also contributed to the latest milestones where more relevant tissues or organ-like constructs with a certain degree of functionality can already be obtained. These incredible strides have been possible with a multitude of multidisciplinary teams around the world, working to make bioprinted tissues and organs more relevant and functional. Yet, there is still a long way to go until these biofabricated constructs will be able to reach the clinics. In this review, we summarize the main bioprinting activities linking them to tissue and organ development and physiology. Most bioprinting approaches focus on mimicking fully matured tissues. Future bioprinting strategies might pursue earlier developmental stages of tissues and organs. The continuous convergence of the experts in the fields of material sciences, cell biology, engineering, and many other disciplines will gradually allow us to overcome the barriers identified on the demanding path toward manufacturing and adoption of tissue and organ replacements.
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Affiliation(s)
- Carlos Mota
- Department of Complex Tissue Regeneration,
MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Sandra Camarero-Espinosa
- Department of Complex Tissue Regeneration,
MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Matthew B. Baker
- Department of Complex Tissue Regeneration,
MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Paul Wieringa
- Department of Complex Tissue Regeneration,
MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
| | - Lorenzo Moroni
- Department of Complex Tissue Regeneration,
MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, 6211 LK Maastricht, The Netherlands
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Tran HD, Park KD, Ching YC, Huynh C, Nguyen DH. A comprehensive review on polymeric hydrogel and its composite: Matrices of choice for bone and cartilage tissue engineering. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.06.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Wang X, Lu Y, Wang W, Wang Q, Liang J, Fan Y, Zhang X. Effect of different aged cartilage ECM on chondrogenesis of BMSCs in vitro and in vivo. Regen Biomater 2020; 7:583-595. [PMID: 33365144 PMCID: PMC7748452 DOI: 10.1093/rb/rbaa028] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/23/2020] [Accepted: 06/07/2020] [Indexed: 12/11/2022] Open
Abstract
Extracellular matrix (ECM)-based biomaterials are promising candidates in cartilage tissue engineering by simulating the native microenvironment to regulate the chondrogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) without exogenous growth factors. The biological properties of ECM scaffolds are primarily depended on the original source, which would directly influence the chondrogenic effects of the ECM materials. Despite the expanding investigations on ECM scaffolds in recent years, the selection of optimized ECM materials in cartilage regeneration was less reported. In this study, we harvested and compared the articular cartilage ECM from newborn, juvenile and adult rabbits. The results demonstrated the significant differences in the mechanical strength, sulphated glycosaminoglycan and collagen contents of the different aged ECM, before and after decellularization. Consequently, different compositional and mechanical properties were shown in the three ECM-based collagen hydrogels, which exerted age-dependent chondrogenic inducibility. In general, both in vitro and in vivo results suggested that the newborn ECM promoted the most chondrogenesis of BMSCs but led to severe matrix calcification. In contrast, BMSCs synthesized the lowest amount of cartilaginous matrix with minimal calcification with adult ECM. The juvenile ECM achieved the best overall results in promoting chondrogenesis of BMSCs and preventing matrix calcification. Together, this study provides important information to our current knowledge in the design of future ECM-based biomaterials towards a successful repair of articular cartilage.
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Affiliation(s)
- Xiuyu Wang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning 530021, China.,National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Yan Lu
- National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Wan Wang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning 530021, China.,National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Qiguang Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Yujiang Fan
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, Guangxi Collaborative Innovation Center for Biomedicine, Guangxi Medical University, Nanning 530021, China.,National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
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Xiao S, Zhao T, Wang J, Wang C, Du J, Ying L, Lin J, Zhang C, Hu W, Wang L, Xu K. Gelatin Methacrylate (GelMA)-Based Hydrogels for Cell Transplantation: an Effective Strategy for Tissue Engineering. Stem Cell Rev Rep 2020; 15:664-679. [PMID: 31154619 DOI: 10.1007/s12015-019-09893-4] [Citation(s) in RCA: 174] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Gelatin methacrylate (GelMA)-based hydrogels are gaining a great deal of attention as potentially implantable materials in tissue engineering applications because of their biofunctionality and mechanical tenability. Since different natural tissues respond differently to mechanical stresses, an ideal implanted material would closely match the mechanical properties of the target tissue. In this regard, applications employing GelMA hydrogels are currently limited by the low mechanical strength and biocompatibility of GelMA. Therefore, this review focuses on modifications made to GelMA hydrogels to make them more suitable for tissue engineering applications. A large number of reports detail rational synthetic processes for GelMA or describe the incorporation of various biomaterials into GelMA hydrogels to tune their various properties, e.g., physical strength, chemical properties, conductivity, and porosity, and to promote cell loading and accelerate tissue repair. A novel strategy for repairing tissue injuries, based on the transplantation of cell-loaded GelMA scaffolds, is examined and its advantages and challenges are summarized. GelMA-cell combinations play a critical and pioneering role in this process and could potentially accelerate the development of clinically relevant applications.
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Affiliation(s)
- Shining Xiao
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Tengfei Zhao
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Jingkai Wang
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Chenggui Wang
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Jiangnan Du
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Liwei Ying
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Jiangtao Lin
- Zhejiang University-University of Edinburgh Institute, Zhejiang University, Zhejiang, 310058, Hangzhou, China
| | - Caihua Zhang
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Wanglu Hu
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China
| | - Linlin Wang
- Department of Basic Medicine Sciences, School of Medicine, Zhejiang University, Hangzhou, 310058, China.
| | - Kan Xu
- Department of Orthopedic Surgery, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China.
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