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Gonzalez-Fernandez T, Rathan S, Hobbs C, Pitacco P, Freeman FE, Cunniffe GM, Dunne NJ, McCarthy HO, Nicolosi V, O'Brien FJ, Kelly DJ. Pore-forming bioinks to enable spatio-temporally defined gene delivery in bioprinted tissues. J Control Release 2019; 301:13-27. [PMID: 30853527 DOI: 10.1016/j.jconrel.2019.03.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/02/2019] [Accepted: 03/06/2019] [Indexed: 12/17/2022]
Abstract
The regeneration of complex tissues and organs remains a major clinical challenge. With a view towards bioprinting such tissues, we developed a new class of pore-forming bioink to spatially and temporally control the presentation of therapeutic genes within bioprinted tissues. By blending sacrificial and stable hydrogels, we were able to produce bioinks whose porosity increased with time following printing. When combined with amphipathic peptide-based plasmid DNA delivery, these bioinks supported enhanced non-viral gene transfer to stem cells in vitro. By modulating the porosity of these bioinks, it was possible to direct either rapid and transient (pore-forming bioinks), or slower and more sustained (solid bioinks) transfection of host or transplanted cells in vivo. To demonstrate the utility of these bioinks for the bioprinting of spatially complex tissues, they were next used to zonally position stem cells and plasmids encoding for either osteogenic (BMP2) or chondrogenic (combination of TGF-β3, BMP2 and SOX9) genes within networks of 3D printed thermoplastic fibers to produce mechanically reinforced, gene activated constructs. In vivo, these bioprinted tissues supported the development of a vascularised, bony tissue overlaid by a layer of stable cartilage. When combined with multiple-tool biofabrication strategies, these gene activated bioinks can enable the bioprinting of a wide range of spatially complex tissues.
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Affiliation(s)
- T Gonzalez-Fernandez
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland
| | - S Rathan
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland
| | - C Hobbs
- Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland; School of Physics, Trinity College Dublin, Ireland; Centre for Research of Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Ireland
| | - P Pitacco
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland
| | - F E Freeman
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland
| | - G M Cunniffe
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland
| | - N J Dunne
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland; Centre for Medical Engineering Research, School of Mechanical and Manufacturing Engineering, Dublin City University, Ireland; School of Mechanical and Manufacturing Engineering, Dublin City University, Ireland; School of Pharmacy, Queen's University Belfast, UK
| | - H O McCarthy
- School of Pharmacy, Queen's University Belfast, UK
| | - V Nicolosi
- Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland; School of Physics, Trinity College Dublin, Ireland; Centre for Research of Adaptive Nanostructures and Nanodevices, Trinity College Dublin, Ireland
| | - F J O'Brien
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland; Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in, Ireland
| | - D J Kelly
- Trinity Centre for Bioengineering, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland; Department of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), Trinity College Dublin and Royal College of Surgeons, Ireland; Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in, Ireland.
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52
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Immunomodulatory Functions of Mesenchymal Stem Cells in Tissue Engineering. Stem Cells Int 2019; 2019:9671206. [PMID: 30766609 PMCID: PMC6350611 DOI: 10.1155/2019/9671206] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 10/26/2018] [Accepted: 11/29/2018] [Indexed: 02/06/2023] Open
Abstract
The inflammatory response to chronic injury affects tissue regeneration and has become an important factor influencing the prognosis of patients. In previous stem cell treatments, it was revealed that stem cells not only have the ability for direct differentiation or regeneration in chronic tissue damage but also have a regulatory effect on the immune microenvironment. Stem cells can regulate the immune microenvironment during tissue repair and provide a good "soil" for tissue regeneration. In the current study, the regulation of immune cells by mesenchymal stem cells (MSCs) in the local tissue microenvironment and the tissue damage repair mechanisms are revealed. The application of the concepts of "seed" and "soil" has opened up new research avenues for regenerative medicine. Tissue engineering (TE) technology has been used in multiple tissues and organs using its biomimetic and cellular cell abilities, and scaffolds are now seen as an important part of building seed cell microenvironments. The effect of tissue engineering techniques on stem cell immune regulation is related to the shape and structure of the scaffold, the preinflammatory microenvironment constructed by the implanted scaffold, and the material selection of the scaffold. In the application of scaffold, stem cell technology has important applications in cartilage, bone, heart, and liver and other research fields. In this review, we separately explore the mechanism of MSCs in different tissue and organs through immunoregulation for tissue regeneration and MSC combined with 3D scaffolds to promote MSC immunoregulation to repair damaged tissues.
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53
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Biomaterial-guided delivery of gene vectors for targeted articular cartilage repair. Nat Rev Rheumatol 2018; 15:18-29. [DOI: 10.1038/s41584-018-0125-2] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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54
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Moffat KL, Goon K, Moutos FT, Estes BT, Oswald SJ, Zhao X, Guilak F. Composite Cellularized Structures Created from an Interpenetrating Polymer Network Hydrogel Reinforced by a 3D Woven Scaffold. Macromol Biosci 2018; 18:e1800140. [PMID: 30040175 PMCID: PMC6687075 DOI: 10.1002/mabi.201800140] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 06/21/2018] [Indexed: 11/10/2022]
Abstract
Biomaterial scaffolds play multiple roles in cartilage tissue engineering, including controlling architecture of newly formed tissue while facilitating growth of embedded cells and simultaneously providing functional properties to withstand the mechanical environment within the native joint. In particular, hydrogels-with high water content and desirable transport properties-while highly conducive to chondrogenesis, often lack functional mechanical properties. In this regard, interpenetrating polymer network (IPN) hydrogels can provide mechanical toughness greatly exceeding that of individual components; however, many IPN materials are not biocompatible for cell encapsulation. In this study, an agarose and poly(ethylene) glycol IPN hydrogel is seeded with human mesenchymal stem cells (MSCs). Results show high viability of MSCs within the IPN hydrogel, with improved mechanical properties compared to constructs comprised of individual components. These properties are further strengthened by integrating the hydrogel with a 3D woven structure. The resulting fiber-reinforced hydrogels display functional macroscopic mechanical properties mimicking those of native articular cartilage, while providing a local microenvironment that supports cellular viability and function. These findings suggest that a fiber-reinforced IPN hydrogel can support stem cell chondrogenesis while allowing for significantly enhanced, complex mechanical properties at multiple scales as compared to individual hydrogel or fiber components.
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Affiliation(s)
- Kristen L Moffat
- Center of Regenerative Medicine, Washington University, Campus Box 8233, St. Louis, MO, 63110, USA
- Shriners Hospitals for Children, St. Louis, MO, 63110, USA
| | - Kelsey Goon
- Center of Regenerative Medicine, Washington University, Campus Box 8233, St. Louis, MO, 63110, USA
- Shriners Hospitals for Children, St. Louis, MO, 63110, USA
| | | | | | - Sara J Oswald
- Center of Regenerative Medicine, Washington University, Campus Box 8233, St. Louis, MO, 63110, USA
- Shriners Hospitals for Children, St. Louis, MO, 63110, USA
| | - Xuanhe Zhao
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Farshid Guilak
- Center of Regenerative Medicine, Washington University, Campus Box 8233, St. Louis, MO, 63110, USA
- Shriners Hospitals for Children, St. Louis, MO, 63110, USA
- Cytex Therapeutics, Inc., Durham, NC, 27704, USA
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55
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Rowland CR, Glass KA, Ettyreddy AR, Gloss CC, Matthews JRL, Huynh NPT, Guilak F. Regulation of decellularized tissue remodeling via scaffold-mediated lentiviral delivery in anatomically-shaped osteochondral constructs. Biomaterials 2018; 177:161-175. [PMID: 29894913 PMCID: PMC6082159 DOI: 10.1016/j.biomaterials.2018.04.049] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 04/17/2018] [Accepted: 04/24/2018] [Indexed: 01/25/2023]
Abstract
Cartilage-derived matrix (CDM) has emerged as a promising scaffold material for tissue engineering of cartilage and bone due to its native chondroinductive capacity and its ability to support endochondral ossification. Because it consists of native tissue, CDM can undergo cellular remodeling, which can promote integration with host tissue and enables it to be degraded and replaced by neotissue over time. However, enzymatic degradation of decellularized tissues can occur unpredictably and may not allow sufficient time for mechanically competent tissue to form, especially in the harsh inflammatory environment of a diseased joint. The goal of the current study was to engineer cartilage and bone constructs with the ability to inhibit aberrant inflammatory processes caused by the cytokine interleukin-1 (IL-1), through scaffold-mediated delivery of lentiviral particles containing a doxycycline-inducible IL-1 receptor antagonist (IL-1Ra) transgene on anatomically-shaped CDM constructs. Additionally, scaffold-mediated lentiviral gene delivery was used to facilitate spatial organization of simultaneous chondrogenic and osteogenic differentiation via site-specific transduction of a single mesenchymal stem cell (MSC) population to overexpress either chondrogenic, transforming growth factor-beta 3 (TGF-β3), or osteogenic, bone morphogenetic protein-2 (BMP-2), transgenes. Controlled induction of IL-1Ra expression protected CDM hemispheres from inflammation-mediated degradation, and supported robust bone and cartilage tissue formation even in the presence of IL-1. In the absence of inflammatory stimuli, controlled cellular remodeling was exploited as a mechanism for fusing concentric CDM hemispheres overexpressing BMP-2 and TGF-β3 into a single bi-layered osteochondral construct. Our findings demonstrate that site-specific delivery of inducible and tunable transgenes confers spatial and temporal control over both CDM scaffold remodeling and neotissue composition. Furthermore, these constructs provide a microphysiological in vitro joint organoid model with site-specific, tunable, and inducible protein delivery systems for examining the spatiotemporal response to pro-anabolic and/or inflammatory signaling across the osteochondral interface.
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Affiliation(s)
- Christopher R Rowland
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | | | | | - Catherine C Gloss
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | - Jared R L Matthews
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | - Nguyen P T Huynh
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA; Duke University, Durham, NC 27710, USA
| | - Farshid Guilak
- Washington University in Saint Louis, Saint Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA.
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56
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Controlled Non-Viral Gene Delivery in Cartilage and Bone Repair: Current Strategies and Future Directions. ADVANCED THERAPEUTICS 2018. [DOI: 10.1002/adtp.201800038] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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57
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Huynh NPT, Brunger JM, Gloss CC, Moutos FT, Gersbach CA, Guilak F. Genetic Engineering of Mesenchymal Stem Cells for Differential Matrix Deposition on 3D Woven Scaffolds. Tissue Eng Part A 2018; 24:1531-1544. [PMID: 29756533 DOI: 10.1089/ten.tea.2017.0510] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Tissue engineering approaches for the repair of osteochondral defects using biomaterial scaffolds and stem cells have remained challenging due to the inherent complexities of inducing cartilage-like matrix and bone-like matrix within the same local environment. Members of the transforming growth factor β (TGFβ) family have been extensively utilized in the engineering of skeletal tissues, but have distinct effects on chondrogenic and osteogenic differentiation of progenitor cells. The goal of this study was to develop a method to direct human bone marrow-derived mesenchymal stem cells (MSCs) to deposit either mineralized matrix or a cartilaginous matrix rich in glycosaminoglycan and type II collagen within the same biochemical environment. This differential induction was performed by culturing cells on engineered three-dimensionally woven poly(ɛ-caprolactone) (PCL) scaffolds in a chondrogenic environment for cartilage-like matrix production while inhibiting TGFβ3 signaling through Mothers against DPP homolog 3 (SMAD3) knockdown, in combination with overexpressing RUNX2, to achieve mineralization. The highest levels of mineral deposition and alkaline phosphatase activity were observed on scaffolds with genetically engineered MSCs and exhibited a synergistic effect in response to SMAD3 knockdown and RUNX2 expression. Meanwhile, unmodified MSCs on PCL scaffolds exhibited accumulation of an extracellular matrix rich in glycosaminoglycan and type II collagen in the same biochemical environment. This ability to derive differential matrix deposition in a single culture condition opens new avenues for developing complex tissue replacements for chondral or osteochondral defects.
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Affiliation(s)
- Nguyen P T Huynh
- 1 Department of Orthopaedic Surgery, Washington University in Saint Louis , Saint Louis, Missouri.,2 Shriners Hospitals for Children-St. Louis , St. Louis, Missouri.,3 Department of Cell Biology, Duke University , Durham, North Carolina
| | | | - Catherine C Gloss
- 1 Department of Orthopaedic Surgery, Washington University in Saint Louis , Saint Louis, Missouri.,2 Shriners Hospitals for Children-St. Louis , St. Louis, Missouri
| | | | - Charles A Gersbach
- 6 Department of Biomedical Engineering, Duke University , Durham, North Carolina
| | - Farshid Guilak
- 1 Department of Orthopaedic Surgery, Washington University in Saint Louis , Saint Louis, Missouri.,2 Shriners Hospitals for Children-St. Louis , St. Louis, Missouri.,5 Cytex Therapeutics, Inc. , Durham, North Carolina
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58
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Osteogenic Differentiation of Human Mesenchymal Stem cells in a 3D Woven Scaffold. Sci Rep 2018; 8:10457. [PMID: 29993043 PMCID: PMC6041290 DOI: 10.1038/s41598-018-28699-x] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 06/28/2018] [Indexed: 11/08/2022] Open
Abstract
Fiber-based scaffolds produced by textile manufacturing technology offer versatile materials for tissue engineering applications since a wide range of crucial scaffold parameters, including porosity, pore size and interconnectivity, can be accurately controlled using 3D weaving. In this study, we developed a weavable, bioactive biodegradable composite fiber from poly (lactic acid) (PLA) and hydroxyapatite powder by melt spinning. Subsequently, scaffolds of these fibers were fabricated by 3D weaving. The differentiation of human mesenchymal stem cells (hMSCs) in vitro was studied on the 3D scaffolds and compared with differentiation on 2D substrates having the same material composition. Our data showed that the 3D woven scaffolds have a major impact on hMSCs proliferation and activation. The 3D architecture supports the differentiation of the hMSCs into osteoblast cells and enhances the production of mineralized bone matrix. The present study further confirms that a 3D scaffold promotes hMSCs differentiation into the osteoblast–lineage and bone mineralization.
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59
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Huynh NPT, Zhang B, Guilak F. High-depth transcriptomic profiling reveals the temporal gene signature of human mesenchymal stem cells during chondrogenesis. FASEB J 2018; 33:358-372. [PMID: 29985644 DOI: 10.1096/fj.201800534r] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Mesenchymal stem/stromal cells (MSCs) provide an attractive cell source for cartilage repair and cell therapy; however, the underlying molecular pathways that drive chondrogenesis of these populations of adult stem cells remain poorly understood. We generated a rich data set of high-throughput RNA sequencing of human MSCs throughout chondrogenesis at 6 different time points. Our data consisted of 18 libraries with 3 individual donors as biologic replicates, with each library possessing a sequencing depth of 100 million reads. Computational analyses with differential gene expression, gene ontology, and weighted gene correlation network analysis identified dynamic changes in multiple biologic pathways and, most importantly, a chondrogenic gene subset, whose functional characterization promises to further harness the potential of MSCs for cartilage tissue engineering. Furthermore, we created a graphic user interface encyclopedia built with the goal of producing an open resource of transcriptomic regulation for additional data mining and pathway analysis of the process of MSC chondrogenesis.-Huynh, N. P. T., Zhang, B., Guilak, F. High-depth transcriptomic profiling reveals the temporal gene signature of human mesenchymal stem cells during chondrogenesis.
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Affiliation(s)
- Nguyen P T Huynh
- Department of Orthopedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri, USA.,Center of Regenerative Medicine, Washington University in St. Louis, St. Louis, Missouri, USA; and.,Department of Cell Biology, Duke University, Durham, North Carolina, USA
| | - Bo Zhang
- Center of Regenerative Medicine, Washington University in St. Louis, St. Louis, Missouri, USA; and
| | - Farshid Guilak
- Department of Orthopedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri, USA.,Center of Regenerative Medicine, Washington University in St. Louis, St. Louis, Missouri, USA; and
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60
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Gabner S, Hlavaty J, Velde K, Renner M, Jenner F, Egerbacher M. Inflammation-induced transgene expression in genetically engineered equine mesenchymal stem cells. J Gene Med 2018; 18:154-64. [PMID: 27272202 DOI: 10.1002/jgm.2888] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 05/31/2016] [Accepted: 05/31/2016] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Osteoarthritis, a chronic and progressive degenerative joint disorder, ranks amongst the top five causes of disability. Given the high incidence, associated socioeconomic costs and the absence of effective disease-modifying therapies of osteoarthritis, cell-based treatments offer a promising new approach. Owing to their paracrine, differentiation and self-renewal abilities, mesenchymal stem cells (MSCs) have great potential for regenerative medicine, which might be further enhanced by targeted gene therapy. Hence, the development of systems allowing transgene expression, particularly when regulated by natural disease-dependent occuring substances, is of high interest. METHODS Bone marrow-isolated equine MSCs were stably transduced with an HIV-1 based lentiviral vector expressing the luciferase gene under control of an inducible nuclear factor κB (NFκB)-responsive promoter. Marker gene expression was analysed by determining luciferase activity in transduced cells stimulated with different concentrations of interleukin (IL)-1β or tumour necrosis factor (TNF)α. RESULTS A dose-dependent increase in luciferase expression was observed in transduced MSCs upon cytokine stimulation. The induction effect was more potent in cells treated with TNFα compared to those treated with IL-1β. Maximum transgene expression was obtained after 48 h of stimulation and the same time was necessary to return to baseline luciferase expression levels after withdrawal of the stimulus. Repeated cycles of induction allowed on-off modulation of transgene expression without becoming refractory to induction. The NFκB-responsive promoter retained its inducibility also in chondrogenically differentiated MSC/Luc cells. CONCLUSIONS The results of the present study demonstrate that on demand transgene expression from the NFκB-responsive promoter using naturally occurring inflammatory cytokines can be induced in undifferentiated and chondrogenically differentiated equine MSCs. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Simone Gabner
- Institute of Anatomy, Histology and Embryology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Juraj Hlavaty
- Institute of Anatomy, Histology and Embryology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Karsten Velde
- Equine University Hospital, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Matthias Renner
- Division of Medical Biotechnology, Paul-Ehrlich-Institut, Langen, Germany
| | - Florien Jenner
- Equine University Hospital, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Monika Egerbacher
- Institute of Anatomy, Histology and Embryology, University of Veterinary Medicine Vienna, Vienna, Austria
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61
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Chen M, Guo W, Gao S, Hao C, Shen S, Zhang Z, Wang Z, Wang Z, Li X, Jing X, Zhang X, Yuan Z, Wang M, Zhang Y, Peng J, Wang A, Wang Y, Sui X, Liu S, Guo Q. Biochemical Stimulus-Based Strategies for Meniscus Tissue Engineering and Regeneration. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8472309. [PMID: 29581987 PMCID: PMC5822894 DOI: 10.1155/2018/8472309] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 12/19/2017] [Indexed: 12/18/2022]
Abstract
Meniscus injuries are very common and still pose a challenge for the orthopedic surgeon. Meniscus injuries in the inner two-thirds of the meniscus remain incurable. Tissue-engineered meniscus strategies seem to offer a new approach for treating meniscus injuries with a combination of seed cells, scaffolds, and biochemical or biomechanical stimulation. Cell- or scaffold-based strategies play a pivotal role in meniscus regeneration. Similarly, biochemical and biomechanical stimulation are also important. Seed cells and scaffolds can be used to construct a tissue-engineered tissue; however, stimulation to enhance tissue maturation and remodeling is still needed. Such stimulation can be biomechanical or biochemical, but this review focuses only on biochemical stimulation. Growth factors (GFs) are one of the most important forms of biochemical stimulation. Frequently used GFs always play a critical role in normal limb development and growth. Further understanding of the functional mechanism of GFs will help scientists to design the best therapy strategies. In this review, we summarize some of the most important GFs in tissue-engineered menisci, as well as other types of biological stimulation.
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Affiliation(s)
- Mingxue Chen
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Weimin Guo
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Shunag Gao
- Center for Biomaterial and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, No. 5 Yiheyuan Road, Haidian District, Peking University, Beijing 100871, China
| | - Chunxiang Hao
- Institute of Anesthesiology, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Shi Shen
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- Department of Bone and Joint Surgery, The Affiliated Hospital of Southwest Medical University, No. 25 Taiping Road, Luzhou 646000, China
| | - Zengzeng Zhang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- First Department of Orthopedics, First Affiliated Hospital of Jiamusi University, No. 348 Dexiang Road, Xiangyang District, Jiamusi 154002, China
| | - Zhenyong Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- First Department of Orthopedics, First Affiliated Hospital of Jiamusi University, No. 348 Dexiang Road, Xiangyang District, Jiamusi 154002, China
| | - Zehao Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Xu Li
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- School of Medicine, Nankai University, Tianjin 300071, China
| | - Xiaoguang Jing
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- First Department of Orthopedics, First Affiliated Hospital of Jiamusi University, No. 348 Dexiang Road, Xiangyang District, Jiamusi 154002, China
| | - Xueliang Zhang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
- Shanxi Traditional Chinese Hospital, No. 46 Binzhou West Street, Yingze District, Taiyuan 030001, China
| | - Zhiguo Yuan
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Mingjie Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Yu Zhang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Jiang Peng
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Aiyuan Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Yu Wang
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Xiang Sui
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Shuyun Liu
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Quanyi Guo
- Institute of Orthopedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Haidian District, Beijing 100853, China
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Lam J, Lee EJ, Clark EC, Mikos AG. Honing Cell and Tissue Culture Conditions for Bone and Cartilage Tissue Engineering. Cold Spring Harb Perspect Med 2017; 7:a025734. [PMID: 28348176 PMCID: PMC5710100 DOI: 10.1101/cshperspect.a025734] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
An avenue of tremendous interest and need in health care encompasses the regeneration of bone and cartilage. Over the years, numerous tissue engineering strategies have contributed substantial progress toward the realization of clinically relevant therapies. Cell and tissue culture protocols, however, show many variations that make experimental results among different publications challenging to compare. This collection surveys prevalent cell sources, soluble factors, culture medium formulations, environmental factors, and genetic modification approaches in the literature. The intent of consolidating this information is to provide a starting resource for scientists considering how to optimize the parameters for cell differentiation and tissue culture procedures within the context of bone and cartilage tissue engineering.
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Affiliation(s)
- Johnny Lam
- Department of Bioengineering, Rice University, Houston, Texas 77251
| | - Esther J Lee
- Department of Bioengineering, Rice University, Houston, Texas 77251
| | - Elisa C Clark
- Department of Bioengineering, Rice University, Houston, Texas 77251
| | - Antonios G Mikos
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77251
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Adkar SS, Brunger JM, Willard VP, Wu CL, Gersbach CA, Guilak F. Genome Engineering for Personalized Arthritis Therapeutics. Trends Mol Med 2017; 23:917-931. [PMID: 28887050 PMCID: PMC5657581 DOI: 10.1016/j.molmed.2017.08.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/06/2017] [Accepted: 08/08/2017] [Indexed: 02/06/2023]
Abstract
Arthritis represents a family of complex joint pathologies responsible for the majority of musculoskeletal conditions. Nearly all diseases within this family, including osteoarthritis, rheumatoid arthritis, and juvenile idiopathic arthritis, are chronic conditions with few or no disease-modifying therapeutics available. Advances in genome engineering technology, most recently with CRISPR-Cas9, have revolutionized our ability to interrogate and validate genetic and epigenetic elements associated with chronic diseases such as arthritis. These technologies, together with cell reprogramming methods, including the use of induced pluripotent stem cells, provide a platform for human disease modeling. We summarize new evidence from genome-wide association studies and genomics that substantiates a genetic basis for arthritis pathogenesis. We also review the potential contributions of genome engineering in the development of new arthritis therapeutics.
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Affiliation(s)
- Shaunak S Adkar
- Department of Orthopedic Surgery, Washington University, St. Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA; Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA
| | - Jonathan M Brunger
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | | | - Chia-Lung Wu
- Department of Orthopedic Surgery, Washington University, St. Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA
| | - Charles A Gersbach
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
| | - Farshid Guilak
- Department of Orthopedic Surgery, Washington University, St. Louis, MO 63110, USA; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, USA; Department of Cell Biology, Duke University Medical Center, Durham, NC 27710, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA; Cytex Therapeutics, Inc., Durham, NC 27705, USA.
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Brunger JM, Zutshi A, Willard VP, Gersbach CA, Guilak F. CRISPR/Cas9 Editing of Murine Induced Pluripotent Stem Cells for Engineering Inflammation-Resistant Tissues. Arthritis Rheumatol 2017; 69:1111-1121. [PMID: 27813286 DOI: 10.1002/art.39982] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 11/01/2016] [Indexed: 12/30/2022]
Abstract
OBJECTIVE Proinflammatory cytokines such as interleukin-1 (IL-1) are found in elevated levels in diseased or injured tissues and promote rapid tissue degradation while preventing stem cell differentiation. This study was undertaken to engineer inflammation-resistant murine induced pluripotent stem cells (iPSCs) through deletion of the IL-1 signaling pathway and to demonstrate the utility of these cells for engineering replacements for diseased or damaged tissues. METHODS Targeted deletion of the IL-1 receptor type I (IL-1RI) gene in murine iPSCs was achieved using the RNA-guided, site-specific clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 genome engineering system. Clonal cell populations with homozygous and heterozygous deletions were isolated, and loss of receptor expression and cytokine signaling was confirmed by flow cytometry and transcriptional reporter assays, respectively. Cartilage was engineered from edited iPSCs and tested for its ability to resist IL-1-mediated degradation in gene expression, histologic, and biomechanical assays after a 3-day treatment with 1 ng/ml of IL-1α. RESULTS Three of 41 clones isolated possessed the IL-1RI+/- genotype. Four clones possessed the IL-1RI-/- genotype, and flow cytometry confirmed loss of IL-1RI on the surface of these cells, which led to an absence of NF-κB transcription activation after IL-1α treatment. Cartilage engineered from homozygous null clones was resistant to cytokine-mediated tissue degradation. In contrast, cartilage derived from wild-type and heterozygous clones exhibited significant degradative responses, highlighting the need for complete IL-1 blockade. CONCLUSION This work demonstrates proof-of-concept of the ability to engineer custom-designed stem cells that are immune to proinflammatory cytokines (i.e., IL-1) as a potential cell source for cartilage tissue engineering.
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Affiliation(s)
| | | | | | | | - Farshid Guilak
- Washington University and Shriners Hospitals for Children, St. Louis, Missouri
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Quaranta P, Focosi D, Freer G, Pistello M. Tweaking Mesenchymal Stem/Progenitor Cell Immunomodulatory Properties with Viral Vectors Delivering Cytokines. Stem Cells Dev 2016; 25:1321-41. [PMID: 27476883 DOI: 10.1089/scd.2016.0145] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal Stem Cells (MSCs) can be found in various body sites. Their main role is to differentiate into cartilage, bone, muscle, and fat cells to allow tissue maintenance and repair. During inflammation, MSCs exhibit important immunomodulatory properties that are not constitutive, but require activation, upon which they may exert immunosuppressive functions. MSCs are defined as "sensors of inflammation" since they modulate their ability of interfering with the immune system both in vitro and in vivo upon interaction with different factors. MSCs may influence immune responses through different mechanisms, such as direct cell-to-cell contact, release of soluble factors, and through the induction of anergy and apoptosis. Human MSCs are defined as plastic-adherent cells expressing specific surface molecules. Lack of MHC class II antigens makes them appealing as allogeneic tools for the therapy of both autoimmune diseases and cancer. MSC therapeutic potential could be highly enhanced by the expression of exogenous cytokines provided by transduction with viral vectors. In this review, we attempt to summarize the results of a great number of in vitro and in vivo studies aimed at improving the ability of MSCs as immunomodulators in the therapy of autoimmune, degenerative diseases and cancer. We will also compare results obtained with different vectors to deliver heterologous genes to these cells.
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Affiliation(s)
- Paola Quaranta
- 1 Department of Translational Research and New Technologies in Medicine and Surgery, Virology Section and Retrovirus Center, University of Pisa , Pisa, Italy
| | - Daniele Focosi
- 2 North-Western Tuscany Blood Bank, Pisa University Hospital , Pisa, Italy
| | - Giulia Freer
- 1 Department of Translational Research and New Technologies in Medicine and Surgery, Virology Section and Retrovirus Center, University of Pisa , Pisa, Italy .,3 Virology Unit, Pisa University Hospital , Pisa, Italy
| | - Mauro Pistello
- 1 Department of Translational Research and New Technologies in Medicine and Surgery, Virology Section and Retrovirus Center, University of Pisa , Pisa, Italy .,3 Virology Unit, Pisa University Hospital , Pisa, Italy
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Advances in combining gene therapy with cell and tissue engineering-based approaches to enhance healing of the meniscus. Osteoarthritis Cartilage 2016; 24:1330-9. [PMID: 27063441 PMCID: PMC5298218 DOI: 10.1016/j.joca.2016.03.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 02/17/2016] [Accepted: 03/25/2016] [Indexed: 02/02/2023]
Abstract
Meniscal lesions are common problems in orthopaedic surgery and sports medicine, and injury or loss of the meniscus accelerates the onset of knee osteoarthritis (OA). Despite a variety of therapeutic options in the clinics, there is a critical need for improved treatments to enhance meniscal repair. In this regard, combining gene-, cell-, and tissue engineering-based approaches is an attractive strategy to generate novel, effective therapies to treat meniscal lesions. In the present work, we provide an overview of the tools currently available to improve meniscal repair and discuss the progress and remaining challenges for potential future translation in patients.
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Anatomically shaped tissue-engineered cartilage with tunable and inducible anticytokine delivery for biological joint resurfacing. Proc Natl Acad Sci U S A 2016; 113:E4513-22. [PMID: 27432980 DOI: 10.1073/pnas.1601639113] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Biological resurfacing of entire articular surfaces represents an important but challenging strategy for treatment of cartilage degeneration that occurs in osteoarthritis. Not only does this approach require anatomically sized and functional engineered cartilage, but the inflammatory environment within an arthritic joint may also inhibit chondrogenesis and induce degradation of native and engineered cartilage. The goal of this study was to use adult stem cells to engineer anatomically shaped, functional cartilage constructs capable of tunable and inducible expression of antiinflammatory molecules, specifically IL-1 receptor antagonist (IL-1Ra). Large (22-mm-diameter) hemispherical scaffolds were fabricated from 3D woven poly(ε-caprolactone) (PCL) fibers into two different configurations and seeded with human adipose-derived stem cells (ASCs). Doxycycline (dox)-inducible lentiviral vectors containing eGFP or IL-1Ra transgenes were immobilized to the PCL to transduce ASCs upon seeding, and constructs were cultured in chondrogenic conditions for 28 d. Constructs showed biomimetic cartilage properties and uniform tissue growth while maintaining their anatomic shape throughout culture. IL-1Ra-expressing constructs produced nearly 1 µg/mL of IL-1Ra upon controlled induction with dox. Treatment with IL-1 significantly increased matrix metalloprotease activity in the conditioned media of eGFP-expressing constructs but not in IL-1Ra-expressing constructs. Our findings show that advanced textile manufacturing combined with scaffold-mediated gene delivery can be used to tissue engineer large anatomically shaped cartilage constructs that possess controlled delivery of anticytokine therapy. Importantly, these cartilage constructs have the potential to provide mechanical functionality immediately upon implantation, as they will need to replace a majority, if not the entire joint surface to restore function.
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69
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Aibibu D, Hild M, Wöltje M, Cherif C. Textile cell-free scaffolds for in situ tissue engineering applications. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2016; 27:63. [PMID: 26800694 PMCID: PMC4723636 DOI: 10.1007/s10856-015-5656-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 12/20/2015] [Indexed: 05/12/2023]
Abstract
In this article, the benefits offered by micro-fibrous scaffold architectures fabricated by textile manufacturing techniques are discussed: How can established and novel fiber-processing techniques be exploited in order to generate templates matching the demands of the target cell niche? The problems related to the development of biomaterial fibers (especially from nature-derived materials) ready for textile manufacturing are addressed. Attention is also paid on how biological cues may be incorporated into micro-fibrous scaffold architectures by hybrid manufacturing approaches (e.g. nanofiber or hydrogel functionalization). After a critical review of exemplary recent research works on cell-free fiber based scaffolds for in situ TE, including clinical studies, we conclude that in order to make use of the whole range of favors which may be provided by engineered fibrous scaffold systems, there are four main issues which need to be addressed: (1) Logical combination of manufacturing techniques and materials. (2) Biomaterial fiber development. (3) Adaption of textile manufacturing techniques to the demands of scaffolds for regenerative medicine. (4) Incorporation of biological cues (e.g. stem cell homing factors).
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Affiliation(s)
- Dilbar Aibibu
- Technische Universität Dresden, Fakultät Maschinenwesen, Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik, 01062, Dresden, Germany.
| | - Martin Hild
- Technische Universität Dresden, Fakultät Maschinenwesen, Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik, 01062, Dresden, Germany
| | - Michael Wöltje
- Technische Universität Dresden, Fakultät Maschinenwesen, Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik, 01062, Dresden, Germany
| | - Chokri Cherif
- Technische Universität Dresden, Fakultät Maschinenwesen, Institut für Textilmaschinen und Textile Hochleistungswerkstofftechnik, 01062, Dresden, Germany
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Papadopoulos K, Wattanaarsakit P, Prasongchean W, Narain R. Gene therapies in clinical trials. POLYMERS AND NANOMATERIALS FOR GENE THERAPY 2016. [DOI: https:/doi.org/10.1016/b978-0-08-100520-0.00010-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
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71
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Nowakowski A, Walczak P, Janowski M, Lukomska B. Genetic Engineering of Mesenchymal Stem Cells for Regenerative Medicine. Stem Cells Dev 2015; 24:2219-42. [PMID: 26140302 DOI: 10.1089/scd.2015.0062] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs), which can be obtained from various organs and easily propagated in vitro, are one of the most extensively used types of stem cells and have been shown to be efficacious in a broad set of diseases. The unique and highly desirable properties of MSCs include high migratory capacities toward injured areas, immunomodulatory features, and the natural ability to differentiate into connective tissue phenotypes. These phenotypes include bone and cartilage, and these properties predispose MSCs to be therapeutically useful. In addition, MSCs elicit their therapeutic effects by paracrine actions, in which the metabolism of target tissues is modulated. Genetic engineering methods can greatly amplify these properties and broaden the therapeutic capabilities of MSCs, including transdifferentiation toward diverse cell lineages. However, cell engineering can also affect safety and increase the cost of therapy based on MSCs; thus, the advantages and disadvantages of these procedures should be discussed. In this review, the latest applications of genetic engineering methods for MSCs with regenerative medicine purposes are presented.
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Affiliation(s)
- Adam Nowakowski
- 1 NeuroRepair Department, Mossakowski Medical Research Centre, Polish Academy of Sciences , Warsaw, Poland
| | - Piotr Walczak
- 2 Division of Magnetic Resonance Research, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland.,3 Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine , Baltimore, Maryland.,4 Department of Radiology, Faculty of Medical Sciences, University of Warmia and Mazury , Olsztyn, Poland
| | - Miroslaw Janowski
- 1 NeuroRepair Department, Mossakowski Medical Research Centre, Polish Academy of Sciences , Warsaw, Poland .,2 Division of Magnetic Resonance Research, Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine , Baltimore, Maryland.,3 Cellular Imaging Section and Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Barbara Lukomska
- 1 NeuroRepair Department, Mossakowski Medical Research Centre, Polish Academy of Sciences , Warsaw, Poland
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3D-Printed ABS and PLA Scaffolds for Cartilage and Nucleus Pulposus Tissue Regeneration. Int J Mol Sci 2015; 16:15118-35. [PMID: 26151846 PMCID: PMC4519890 DOI: 10.3390/ijms160715118] [Citation(s) in RCA: 159] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Revised: 06/03/2015] [Accepted: 06/30/2015] [Indexed: 12/04/2022] Open
Abstract
Painful degeneration of soft tissues accounts for high socioeconomic costs. Tissue engineering aims to provide biomimetics recapitulating native tissues. Biocompatible thermoplastics for 3D printing can generate high-resolution structures resembling tissue extracellular matrix. Large-pore 3D-printed acrylonitrile butadiene styrene (ABS) and polylactic acid (PLA) scaffolds were compared for cell ingrowth, viability, and tissue generation. Primary articular chondrocytes and nucleus pulposus (NP) cells were cultured on ABS and PLA scaffolds for three weeks. Both cell types proliferated well, showed high viability, and produced ample amounts of proteoglycan and collagen type II on both scaffolds. NP generated more matrix than chondrocytes; however, no difference was observed between scaffold types. Mechanical testing revealed sustained scaffold stability. This study demonstrates that chondrocytes and NP cells can proliferate on both ABS and PLA scaffolds printed with a simplistic, inexpensive desktop 3D printer. Moreover, NP cells produced more proteoglycan than chondrocytes, irrespective of thermoplastic type, indicating that cells maintain individual phenotype over the three-week culture period. Future scaffold designs covering larger pore sizes and better mimicking native tissue structure combined with more flexible or resorbable materials may provide implantable constructs with the proper structure, function, and cellularity necessary for potential cartilage and disc tissue repair in vivo.
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73
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Kabadi AM, Thakore PI, Vockley CM, Ousterout DG, Gibson TM, Guilak F, Reddy TE, Gersbach CA. Enhanced MyoD-induced transdifferentiation to a myogenic lineage by fusion to a potent transactivation domain. ACS Synth Biol 2015; 4:689-99. [PMID: 25494287 PMCID: PMC4475448 DOI: 10.1021/sb500322u] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Genetic reprogramming holds great potential for disease modeling, drug screening, and regenerative medicine. Genetic reprogramming of mammalian cells is typically achieved by forced expression of natural transcription factors that control master gene networks and cell lineage specification. However, in many instances, the natural transcription factors do not induce a sufficiently robust response to completely reprogram cell phenotype. In this study, we demonstrate that protein engineering of the master transcription factor MyoD can enhance the conversion of human dermal fibroblasts and adult stem cells to a skeletal myocyte phenotype. Fusion of potent transcriptional activation domains to MyoD led to increased myogenic gene expression, myofiber formation, cell fusion, and global reprogramming of the myogenic gene network. This work supports a general strategy for synthetically enhancing the direct conversion between cell types that can be applied in both synthetic biology and regenerative medicine.
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Affiliation(s)
| | | | | | | | | | - Farshid Guilak
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina 27710, United States
| | | | - Charles A. Gersbach
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, North Carolina 27710, United States
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Li KC, Hu YC. Cartilage tissue engineering: recent advances and perspectives from gene regulation/therapy. Adv Healthc Mater 2015; 4:948-68. [PMID: 25656682 DOI: 10.1002/adhm.201400773] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/10/2015] [Indexed: 12/16/2022]
Abstract
Diseases in articular cartilages affect millions of people. Despite the relatively simple biochemical and cellular composition of articular cartilages, the self-repair ability of cartilage is limited. Successful cartilage tissue engineering requires intricately coordinated interactions between matrerials, cells, biological factors, and phycial/mechanical factors, and still faces a multitude of challenges. This article presents an overview of the cartilage biology, current treatments, recent advances in the materials, biological factors, and cells used in cartilage tissue engineering/regeneration, with strong emphasis on the perspectives of gene regulation (e.g., microRNA) and gene therapy.
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Affiliation(s)
- Kuei-Chang Li
- Department of Chemical Engineering; National Tsing Hua University; Hsinchu Taiwan 300
| | - Yu-Chen Hu
- Department of Chemical Engineering; National Tsing Hua University; Hsinchu Taiwan 300
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Abstract
Injuries to the musculoskeletal system are common, debilitating and expensive. In many cases, healing is imperfect, which leads to chronic impairment. Gene transfer might improve repair and regeneration at sites of injury by enabling the local, sustained and potentially regulated expression of therapeutic gene products; such products include morphogens, growth factors and anti-inflammatory agents. Proteins produced endogenously as a result of gene transfer are nascent molecules that have undergone post-translational modification. In addition, gene transfer offers particular advantages for the delivery of products with an intracellular site of action, such as transcription factors and noncoding RNAs, and proteins that need to be inserted into a cell compartment, such as a membrane. Transgenes can be delivered by viral or nonviral vectors via in vivo or ex vivo protocols using progenitor or differentiated cells. The first gene transfer clinical trials for osteoarthritis and cartilage repair have already been completed. Various bone-healing protocols are at an advanced stage of development, including studies with large animals that could lead to human trials. Other applications in the repair and regeneration of skeletal muscle, intervertebral disc, meniscus, ligament and tendon are in preclinical development. In addition to scientific, medical and safety considerations, clinical translation is constrained by social, financial and logistical issues.
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76
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Zhao R, Peng X, Li Q, Song W. Effects of phosphorylatable short peptide-conjugated chitosan-mediated IL-1Ra and igf-1 gene transfer on articular cartilage defects in rabbits. PLoS One 2014; 9:e112284. [PMID: 25390659 PMCID: PMC4229204 DOI: 10.1371/journal.pone.0112284] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 10/10/2014] [Indexed: 11/25/2022] Open
Abstract
Previously, we reported an improvement in the transfection efficiency of the plasmid DNA-chitosan (pDNA/CS) complex by the utilization of phosphorylatable short peptide-conjugated chitosan (pSP-CS). In this study, we investigated the effects of pSP-CS-mediated gene transfection of interleukin-1 receptor antagonist protein (IL-1Ra) combined with insulin-like growth factor-1 (IGF-1) in rabbit chondrocytes and in a rabbit model of cartilage defects. pBudCE4.1-IL-1Ra+igf-1, pBudCE4.1-IL-1Ra and pBudCE4.1-igf-1 were constructed and combined with pSP-CS to form pDNA/pSP-CS complexes. These complexes were transfected into rabbit primary chondrocytes or injected into the joint cavity. Seven weeks after treatment, all rabbits were sacrificed and analyzed. High levels of IL-1Ra and igf-1 expression were detected both in the cell culture supernatant and in the synovial fluid. In vitro, the transgenic complexes caused significant proliferation of chondrocytes, promotion of glycosaminoglycan (GAG) and collagen II synthesis, and inhibition of chondrocyte apoptosis and nitric oxide (NO) synthesis. In vivo, the exogenous genes resulted in increased collagen II synthesis and reduced NO and GAG concentrations in the synovial fluid; histological studies revealed that pDNA/pSP-CS treatment resulted in varying degrees of hyaline-like cartilage repair and Mankin score decrease. The co-expression of both genes produced greater effects than each single gene alone both in vitro and in vivo. The results suggest that pSP-CS is a good candidate for use in gene therapy for the treatment of cartilage defects and that igf-1 and IL-1Ra co-expression produces promising biologic effects on cartilage defects.
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Affiliation(s)
- Ronglan Zhao
- Department of Medical Laboratory, Shandong Provincial Key Laboratory of Clinical Laboratory Diagnostics, Weifang Medical University, Weifang, Shandong, China
| | - Xiaoxiang Peng
- Department of Medical Laboratory, Shandong Provincial Key Laboratory of Clinical Laboratory Diagnostics, Weifang Medical University, Weifang, Shandong, China
- * E-mail:
| | - Qian Li
- Department of Medical Laboratory, Shandong Provincial Key Laboratory of Clinical Laboratory Diagnostics, Weifang Medical University, Weifang, Shandong, China
| | - Wei Song
- Department of Medical Laboratory, Shandong Provincial Key Laboratory of Clinical Laboratory Diagnostics, Weifang Medical University, Weifang, Shandong, China
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Use of Tissue Engineering Strategies to Repair Joint Tissues in Osteoarthritis: Viral Gene Transfer Approaches. Curr Rheumatol Rep 2014; 16:449. [DOI: 10.1007/s11926-014-0449-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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78
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Guilak F, Butler DL, Goldstein SA, Baaijens FPT. Biomechanics and mechanobiology in functional tissue engineering. J Biomech 2014; 47:1933-40. [PMID: 24818797 DOI: 10.1016/j.jbiomech.2014.04.019] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Revised: 04/17/2014] [Accepted: 04/17/2014] [Indexed: 12/22/2022]
Abstract
The field of tissue engineering continues to expand and mature, and several products are now in clinical use, with numerous other preclinical and clinical studies underway. However, specific challenges still remain in the repair or regeneration of tissues that serve a predominantly biomechanical function. Furthermore, it is now clear that mechanobiological interactions between cells and scaffolds can critically influence cell behavior, even in tissues and organs that do not serve an overt biomechanical role. Over the past decade, the field of "functional tissue engineering" has grown as a subfield of tissue engineering to address the challenges and questions on the role of biomechanics and mechanobiology in tissue engineering. Originally posed as a set of principles and guidelines for engineering of load-bearing tissues, functional tissue engineering has grown to encompass several related areas that have proven to have important implications for tissue repair and regeneration. These topics include measurement and modeling of the in vivo biomechanical environment; quantitative analysis of the mechanical properties of native tissues, scaffolds, and repair tissues; development of rationale criteria for the design and assessment of engineered tissues; investigation of the effects biomechanical factors on native and repair tissues, in vivo and in vitro; and development and application of computational models of tissue growth and remodeling. Here we further expand this paradigm and provide examples of the numerous advances in the field over the past decade. Consideration of these principles in the design process will hopefully improve the safety, efficacy, and overall success of engineered tissue replacements.
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Affiliation(s)
- Farshid Guilak
- Departments of Orthopaedic Surgery and Biomedical Engineering, Duke University Medical Center, 375 MSRB, Box 3093, Durham, NC 27710, USA.
| | - David L Butler
- Department of Biomedical, Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, OH, USA
| | - Steven A Goldstein
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Frank P T Baaijens
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
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