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Wang YS, Chu WH, Zhai JJ, Wang WY, He ZM, Zhao QM, Li CY. High quality repair of osteochondral defects in rats using the extracellular matrix of antler stem cells. World J Stem Cells 2024; 16:176-190. [PMID: 38455106 PMCID: PMC10915955 DOI: 10.4252/wjsc.v16.i2.176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/15/2023] [Accepted: 01/19/2024] [Indexed: 02/26/2024] Open
Abstract
BACKGROUND Cartilage defects are some of the most common causes of arthritis. Cartilage lesions caused by inflammation, trauma or degenerative disease normally result in osteochondral defects. Previous studies have shown that decellularized extracellular matrix (ECM) derived from autologous, allogenic, or xenogeneic mesenchymal stromal cells (MSCs) can effectively restore osteochondral integrity. AIM To determine whether the decellularized ECM of antler reserve mesenchymal cells (RMCs), a xenogeneic material from antler stem cells, is superior to the currently available treatments for osteochondral defects. METHODS We isolated the RMCs from a 60-d-old sika deer antler and cultured them in vitro to 70% confluence; 50 mg/mL L-ascorbic acid was then added to the medium to stimulate ECM deposition. Decellularized sheets of adipocyte-derived MSCs (aMSCs) and antlerogenic periosteal cells (another type of antler stem cells) were used as the controls. Three weeks after ascorbic acid stimulation, the ECM sheets were harvested and applied to the osteochondral defects in rat knee joints. RESULTS The defects were successfully repaired by applying the ECM-sheets. The highest quality of repair was achieved in the RMC-ECM group both in vitro (including cell attachment and proliferation), and in vivo (including the simultaneous regeneration of well-vascularized subchondral bone and avascular articular hyaline cartilage integrated with surrounding native tissues). Notably, the antler-stem-cell-derived ECM (xenogeneic) performed better than the aMSC-ECM (allogenic), while the ECM of the active antler stem cells was superior to that of the quiescent antler stem cells. CONCLUSION Decellularized xenogeneic ECM derived from the antler stem cell, particularly the active form (RMC-ECM), can achieve high quality repair/reconstruction of osteochondral defects, suggesting that selection of decellularized ECM for such repair should be focused more on bioactivity rather than kinship.
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Affiliation(s)
- Yu-Su Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun 130000, Jilin Province, China
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, Jilin Province, China
| | - Wen-Hui Chu
- School of Life Science, Taizhou University, Taizhou 318000, Zhejiang Province, China
| | - Jing-Jie Zhai
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun 130000, Jilin Province, China
| | - Wen-Ying Wang
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun 130000, Jilin Province, China
| | - Zhong-Mei He
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, Jilin Province, China
| | - Quan-Min Zhao
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, Jilin Province, China
| | - Chun-Yi Li
- Institute of Antler Science and Product Technology, Changchun Sci-Tech University, Changchun 130000, Jilin Province, China.
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Lian S, Lamprou D, Zhao M. Electrospinning technologies for the delivery of Biopharmaceuticals: Current status and future trends. Int J Pharm 2024; 651:123641. [PMID: 38029864 DOI: 10.1016/j.ijpharm.2023.123641] [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: 08/11/2023] [Revised: 11/15/2023] [Accepted: 11/26/2023] [Indexed: 12/01/2023]
Abstract
This review provides an in-depth exploration of electrospinning techniques employed to produce micro- or nanofibres of biopharmaceuticals using polymeric solutions or melts with high-voltage electricity. Distinct from prior reviews, the current work narrows its focus on the recent developments and advanced applications in biopharmaceutical formulations. It begins with an overview of electrospinning principles, covering both solution and melt modes. Various methods for incorporating biopharmaceuticals into electrospun fibres, such as surface adsorption, blending, emulsion, co-axial, and high-throughput electrospinning, are elaborated. The review also surveys a wide array of biopharmaceuticals formulated through electrospinning, thereby identifying both opportunities and challenges in this emerging field. Moreover, it outlines the analytical techniques for characterizing electrospun fibres and discusses the legal and regulatory requirements for their production. This work aims to offer valuable insights into the evolving realm of electrospun biopharmaceutical delivery systems.
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Affiliation(s)
- Shangjie Lian
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK
| | | | - Min Zhao
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, UK; China Medical University- Queen's University Belfast Joint College (CQC), China Medical University, Shenyang 110000, China
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Serra D, Garroni G, Cruciani S, Coradduzza D, Pashchenko A, Amler E, Pintore G, Satta R, Montesu MA, Kohl Y, Ventura C, Maioli M. Electrospun Nanofibers Encapsulated with Natural Products: A Novel Strategy to Counteract Skin Aging. Int J Mol Sci 2024; 25:1908. [PMID: 38339184 PMCID: PMC10856659 DOI: 10.3390/ijms25031908] [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: 12/03/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024] Open
Abstract
The skin is the primary tissue affected by wounds and aging, significantly impacting its protective function. Natural products are widely used in cosmetics, representing a new approach to preventing age-related damage. Nanomedicine combines nanotechnology and traditional treatments to create innovative drugs. The main targets of nanotechnological approaches are wound healing, regeneration, and rejuvenation of skin tissue. The skin barrier is not easily permeable, and the creation of modern nanodevices is a way to improve the passive penetration of substances. In this study, Helichrysum italicum oil (HO) was combined with different types of electrospun nanofibers to study their protective activity on the skin and to evaluate their future application for topical treatments. In the present research, we used biodegradable polymers, including polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP), which were characterized by a scanning electron microscope (SEM). All results show a positive trend in cell proliferation and viability of human skin stem cells (SSCs) and BJ fibroblasts pre-treated with combined nanofibers and then exposed to UV stress. Gene expression analysis revealed the activation of a molecular rejuvenation program in SSCs treated with functionalized nanofibers before UV exposure. Understanding the mechanisms involved in skin changes during aging allows for the future application of nanomaterials combined with HO directly to the patients.
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Affiliation(s)
- Diletta Serra
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
- R&D Laboratory Center, InoCure s.r.o., Politických Veziu 935/13, 110 00 Prague, Czech Republic
| | - Giuseppe Garroni
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
| | - Sara Cruciani
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
| | - Donatella Coradduzza
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
| | - Aleksei Pashchenko
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
- Department of Biophysics, Second Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague, Czech Republic
- University Centre for Energy Efficient Buildings, Czech Technical University in Prague, Trinecka 1024, 273 43 Bustehrad, Czech Republic;
| | - Evzen Amler
- University Centre for Energy Efficient Buildings, Czech Technical University in Prague, Trinecka 1024, 273 43 Bustehrad, Czech Republic;
| | - Giorgio Pintore
- Department of Medicine, Surgery and Pharmacy, University of Sassari, 07100 Sassari, Italy;
| | - Rosanna Satta
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100 Sassari, Italy; (R.S.); (M.A.M.)
| | - Maria Antonietta Montesu
- Department of Medical, Surgical and Experimental Sciences, University of Sassari, 07100 Sassari, Italy; (R.S.); (M.A.M.)
| | - Yvonne Kohl
- Fraunhofer Institute for Biomedical Engineering IBMT, Joseph-von-Fraunhofer-Weg 1, 66280 Sulzbach, Germany;
| | - Carlo Ventura
- Laboratory of Molecular Biology and Stem Cell Engineering, National Institute of Biostructures and Biosystems-Eldor Lab, Innovation Accelerator, CNR, Via Piero Gobetti 101, 40129 Bologna, Italy;
| | - Margherita Maioli
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy; (D.S.); (G.G.); (S.C.); (D.C.); (A.P.)
- Center for Developmental Biology and Reprogramming-CEDEBIOR, Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy
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Guo X, Song P, Li F, Yan Q, Bai Y, He J, Che Q, Cao H, Guo J, Su Z. Research Progress of Design Drugs and Composite Biomaterials in Bone Tissue Engineering. Int J Nanomedicine 2023; 18:3595-3622. [PMID: 37416848 PMCID: PMC10321437 DOI: 10.2147/ijn.s415666] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023] Open
Abstract
Bone, like most organs, has the ability to heal naturally and can be repaired slowly when it is slightly injured. However, in the case of bone defects caused by diseases or large shocks, surgical intervention and treatment of bone substitutes are needed, and drugs are actively matched to promote osteogenesis or prevent infection. Oral administration or injection for systemic therapy is a common way of administration in clinic, although it is not suitable for the long treatment cycle of bone tissue, and the drugs cannot exert the greatest effect or even produce toxic and side effects. In order to solve this problem, the structure or carrier simulating natural bone tissue is constructed to control the loading or release of the preparation with osteogenic potential, thus accelerating the repair of bone defect. Bioactive materials provide potential advantages for bone tissue regeneration, such as physical support, cell coverage and growth factors. In this review, we discuss the application of bone scaffolds with different structural characteristics made of polymers, ceramics and other composite materials in bone regeneration engineering and drug release, and look forward to its prospect.
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Affiliation(s)
- Xinghua Guo
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Pan Song
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Feng Li
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Qihao Yan
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Yan Bai
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, People’s Republic of China
| | - Jincan He
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510310, People’s Republic of China
| | - Qishi Che
- Guangzhou Rainhome Pharm & Tech Co., Ltd, Science City, Guangzhou, 510663, People’s Republic of China
| | - Hua Cao
- School of Chemistry and Chemical Engineering, Guangdong Pharmaceutical University, Zhongshan, 528458, People’s Republic of China
| | - Jiao Guo
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Key Laboratory of Glucolipid Metabolic Disorder, Ministry of Education of China, Guangdong TCM Key Laboratory for Metabolic Diseases, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
| | - Zhengquan Su
- Guangdong Engineering Research Center of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Center of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China
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Takematsu E, Murphy M, Hou S, Steininger H, Alam A, Ambrosi TH, Chan CKF. Optimizing Delivery of Therapeutic Growth Factors for Bone and Cartilage Regeneration. Gels 2023; 9:gels9050377. [PMID: 37232969 DOI: 10.3390/gels9050377] [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: 03/26/2023] [Revised: 04/23/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023] Open
Abstract
Bone- and cartilage-related diseases, such as osteoporosis and osteoarthritis, affect millions of people worldwide, impairing their quality of life and increasing mortality. Osteoporosis significantly increases the bone fracture risk of the spine, hip, and wrist. For successful fracture treatment and to facilitate proper healing in the most complicated cases, one of the most promising methods is to deliver a therapeutic protein to accelerate bone regeneration. Similarly, in the setting of osteoarthritis, where degraded cartilage does not regenerate, therapeutic proteins hold great promise to promote new cartilage formation. For both osteoporosis and osteoarthritis treatments, targeted delivery of therapeutic growth factors, with the aid of hydrogels, to bone and cartilage is a key to advance the field of regenerative medicine. In this review article, we propose five important aspects of therapeutic growth factor delivery for bone and cartilage regeneration: (1) protection of protein growth factors from physical and enzymatic degradation, (2) targeted growth factor delivery, (3) controlling GF release kinetics, (4) long-term stability of regenerated tissues, and (5) osteoimmunomodulatory effects of therapeutic growth factors and carriers/scaffolds.
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Affiliation(s)
- Eri Takematsu
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Matthew Murphy
- Blond McIndoe Laboratories, School of Biological Science, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PR, UK
| | - Sophia Hou
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Holly Steininger
- School of Medicine, University of California, San Francisco, CA 94143, USA
| | - Alina Alam
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
| | - Thomas H Ambrosi
- Department of Orthopaedic Surgery, University of California, Davis, CA 95817, USA
| | - Charles K F Chan
- Department of Surgery, Stanford Medicine, Stanford, CA 94305, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford Medicine, Stanford, CA 94305, USA
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Adipose-Derived Stem Cells in Reinforced Collagen Gel: A Comparison between Two Approaches to Differentiation towards Smooth Muscle Cells. Int J Mol Sci 2023; 24:ijms24065692. [PMID: 36982766 PMCID: PMC10058441 DOI: 10.3390/ijms24065692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/09/2023] [Accepted: 03/11/2023] [Indexed: 03/19/2023] Open
Abstract
Scaffolds made of degradable polymers, such as collagen, polyesters or polysaccharides, are promising matrices for fabrication of bioartificial vascular grafts or patches. In this study, collagen isolated from porcine skin was processed into a gel, reinforced with collagen particles and with incorporated adipose tissue-derived stem cells (ASCs). The cell-material constructs were then incubated in a DMEM medium with 2% of FS (DMEM_part), with added polyvinylalcohol nanofibers (PVA_part sample), and for ASCs differentiation towards smooth muscle cells (SMCs), the medium was supplemented either with human platelet lysate released from PVA nanofibers (PVA_PL_part) or with TGF-β1 + BMP-4 (TGF + BMP_part). The constructs were further endothelialised with human umbilical vein endothelial cells (ECs). The immunofluorescence staining of alpha-actin and calponin, and von Willebrand factor, was performed. The proteins involved in cell differentiation, the extracellular matrix (ECM) proteins, and ECM remodelling proteins were evaluated by mass spectrometry on day 12 of culture. Mechanical properties of the gels with ASCs were measured via an unconfined compression test on day 5. Gels evinced limited planar shrinkage, but it was higher in endothelialised TGF + BMP_part gel. Both PVA_PL_part samples and TGF + BMP_part samples supported ASC growth and differentiation towards SMCs, but only PVA_PL_part supported homogeneous endothelialisation. Young modulus of elasticity increased in all samples compared to day 0, and PVA_PL_part gel evinced a slightly higher ratio of elastic energy. The results suggest that PVA_PL_part collagen construct has the highest potential to remodel into a functional vascular wall.
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Advances in Fibrin-Based Materials in Wound Repair: A Review. Molecules 2022; 27:molecules27144504. [PMID: 35889381 PMCID: PMC9322155 DOI: 10.3390/molecules27144504] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/28/2022] [Accepted: 07/08/2022] [Indexed: 11/29/2022] Open
Abstract
The first bioprocess that occurs in response to wounding is the deterrence of local hemorrhage. This is accomplished by platelet aggregation and initiation of the hemostasis cascade. The resulting blood clot immediately enables the cessation of bleeding and then functions as a provisional matrix for wound healing, which begins a few days after injury. Here, fibrinogen and fibrin fibers are the key players, because they literally serve as scaffolds for tissue regeneration and promote the migration of cells, as well as the ingrowth of tissues. Fibrin is also an important modulator of healing and a host defense system against microbes that effectively maintains incoming leukocytes and acts as reservoir for growth factors. This review presents recent advances in the understanding and applications of fibrin and fibrin-fiber-incorporated biomedical materials applied to wound healing and subsequent tissue repair. It also discusses how fibrin-based materials function through several wound healing stages including physical barrier formation, the entrapment of bacteria, drug and cell delivery, and eventual degradation. Pure fibrin is not mechanically strong and stable enough to act as a singular wound repair material. To alleviate this problem, this paper will demonstrate recent advances in the modification of fibrin with next-generation materials exhibiting enhanced stability and medical efficacy, along with a detailed look at the mechanical properties of fibrin and fibrin-laden materials. Specifically, fibrin-based nanocomposites and their role in wound repair, sustained drug release, cell delivery to wound sites, skin reconstruction, and biomedical applications of drug-loaded fibrin-based materials will be demonstrated and discussed.
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Wan S, Bao D, Li J, Lin K, Huang Q, Li Q, Li L. Extracellular Vesicles from Hypoxic Pretreated Urine-Derived Stem Cells Enhance the Proliferation and Migration of Chondrocytes by Delivering miR-26a-5p. Cartilage 2022; 13:19476035221077401. [PMID: 35548888 PMCID: PMC9137301 DOI: 10.1177/19476035221077401] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE Stem-cell therapy is a promising treatment for cartilage defects. The newly identified urine-derived stem cells (USCs), which have multipotency and sufficient proliferative ability, are promising candidates for several tissue engineering therapies. In this study, we investigated the role of USC extracellular vehicles (EVs) in promoting the proliferation and migration of chondrocytes. DESIGN USCs were characterized by measuring induced multipotent differentiation and flow cytometry analysis of surface marker expression. The EVs were isolated from USCs under normoxic conditions (nor-EVs) and hypoxic conditions (hypo-EVs). Transmission electron microscopy and western blot analysis characterized the EVs. The chondrocytes were cultured in the USC-EVs. CCK-8 assay and EdU staining detected the proliferation of chondrocytes, and transwell assay detected their migration. miR-26a-5p expression in EVs was detected by quantitative real-time polymerase chain reaction (qRT-PCR). The target relationship of miR-26a-5p and phosphatase and tensin homolog (PTEN) was predicted and confirmed. The roles of EVs-miR-26a-5p and PTEN on the proliferation and migration of chondrocytes were also investigated. RESULTS Hypo-EVs showed a superior effect in promoting the proliferation and migration of chondrocytes than nor-EVs. Mechanistically, USC-EVs delivered miR-26a-5p into chondrocytes to overexpress miR-26a-5p. PTEN was identified as an miR-26a-5p target in chondrocytes. The effects of EVs-miR-26a-5p on promoting the proliferation and migration of chondrocytes were mediated by its regulation of PTEN. CONCLUSION Our study suggested that hypoxic USC-EVs may represent a promising strategy for osteoarthritis by promoting the proliferation and migration of chondrocytes via miR-26a-5p transfer.
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Affiliation(s)
- Sha Wan
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
| | - Dingsu Bao
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Jia Li
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
| | - Kefu Lin
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
| | - Qi Huang
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
| | - Qiang Li
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
| | - Lang Li
- Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, Chengdu, China
- Lang Li, Department of Orthopedics, Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, No. 20 Ximianqiao Cross Street, Wuhou District, Chengdu 610041, China.
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Velot É, Elkhoury K, Kahn C, Kempf H, Linder M, Arab-Tehrany E, Bianchi A. Efficient TGF-β1 Delivery to Articular Chondrocytes In Vitro Using Agro-Based Liposomes. Int J Mol Sci 2022; 23:ijms23052864. [PMID: 35270005 PMCID: PMC8911360 DOI: 10.3390/ijms23052864] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/27/2022] [Accepted: 03/02/2022] [Indexed: 01/23/2023] Open
Abstract
The low efficiency in transfecting rat- and human-derived chondrocytes have been hampering developments in the field of cartilage biology. Transforming growth factor (TGF)-β1 has shown positive effects on chondrocytes, but its applications remain limited due to its short half-life, low stability and poor penetration into cartilage. Naturally derived liposomes have been shown to be promising delivery nanosystems due to their similarities with biological membranes. Here, we used agro-based rapeseed liposomes, which contains a high level of mono- and poly-unsaturated fatty acids, to efficiently deliver encapsulated TGF-β1 to rat chondrocytes. Results showed that TGF-β1 encapsulated in nano-sized rapeseed liposomes were safe for chondrocytes and did not induce any alterations of their phenotype. Furthermore, the controlled release of TGF-β1 from liposomes produced an improved response in chondrocytes, even at low doses. Altogether, these outcomes demonstrate that agro-based nanoliposomes are promising drug carriers.
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Affiliation(s)
- Émilie Velot
- IMoPA (Molecular Engineering and Articular Physiopathology), CNRS (French National Centre for Scientific Research), Université de Lorraine, F-54000 Nancy, France; (É.V.); (H.K.)
| | - Kamil Elkhoury
- LIBio (Laboratoire d’Ingénierie des Biomolécules), Université de Lorraine, F-54000 Nancy, France; (K.E.); (C.K.); (M.L.)
| | - Cyril Kahn
- LIBio (Laboratoire d’Ingénierie des Biomolécules), Université de Lorraine, F-54000 Nancy, France; (K.E.); (C.K.); (M.L.)
| | - Hervé Kempf
- IMoPA (Molecular Engineering and Articular Physiopathology), CNRS (French National Centre for Scientific Research), Université de Lorraine, F-54000 Nancy, France; (É.V.); (H.K.)
| | - Michel Linder
- LIBio (Laboratoire d’Ingénierie des Biomolécules), Université de Lorraine, F-54000 Nancy, France; (K.E.); (C.K.); (M.L.)
| | - Elmira Arab-Tehrany
- LIBio (Laboratoire d’Ingénierie des Biomolécules), Université de Lorraine, F-54000 Nancy, France; (K.E.); (C.K.); (M.L.)
- Correspondence: (E.A.-T.); (A.B.); Tel.: +33-372-744-105 (E.A.-T.); +33-372-746-542 (A.B.)
| | - Arnaud Bianchi
- IMoPA (Molecular Engineering and Articular Physiopathology), CNRS (French National Centre for Scientific Research), Université de Lorraine, F-54000 Nancy, France; (É.V.); (H.K.)
- Correspondence: (E.A.-T.); (A.B.); Tel.: +33-372-744-105 (E.A.-T.); +33-372-746-542 (A.B.)
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10
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Das P, Mishra R, Devi B, Rajesh K, Basak P, Roy M, Roy P, Lahiri D, Nandi SK. Decellularized xenogenic cartilage extracellular matrix (ECM) scaffolds for the reconstruction of osteochondral defects in rabbits. J Mater Chem B 2021; 9:4873-4894. [PMID: 34095925 DOI: 10.1039/d1tb00314c] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of decellularized native allogenic or xenogenic cartilaginous extracellular matrix (ECM) biomaterials is widely expanding in the fields of tissue engineering and regenerative medicine. In this study, we aimed to develop an acellular, affordable, biodegradable, easily available goat conchal cartilaginous ECM derived scaffolding biomaterial for repair and regeneration of osteochondral defects in rabbits. Cartilages harvested from freshly collected goat ears were decellularized using chemical agents, namely, hypotonic-hypertonic (HH) buffer and Triton X-100 solution, separately. The morphologies and ultrastructure orientations of the decellularized cartilages remained unaltered in spite of complete cellular loss. Furthermore, when the acellular cartilaginous ECMs were cultured with murine mesenchymal stem cells (MSCs) (C3H10T1/2 cells), cellular infiltration and proliferation were thoroughly monitored using SEM, DAPI and FDA stained images, whereas the MTT assay proved the biocompatibility of the matrices. The increasing amounts of secreted ECM proteins (collagen and sGAG) indicated successful chondrogenic differentiation of the MSCs in the presence of the treated cartilage samples. In vivo biocompatibility studies showed no significant immune response or tissue rejection in the treated samples but tissue necrosis in control samples after 3 months. Upon implantation of the constructs in rabbits' osteochondral defects for 3 months, the histological and micro-CT evaluation revealed significant enhancement and regeneration of neocartilage and subchondral bony tissues. The IGF-1 loaded cartilaginous constructs showed comparatively better healing response after 3 months. Our results showed that decellularized xenogenic cartilaginous biomaterials preserved the bioactivity and integrity of the matrices that also favored in vitro stem cell proliferation and chondrogenic differentiation and enabled osteochondral regeneration, thus paving a new way for articular cartilage reconstruction.
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Affiliation(s)
- Piyali Das
- School of Bioscience and Engineering, Jadavpur University, Kolkata, India
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11
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Enhanced Biomechanical Properties of Polyvinyl Alcohol-Based Hybrid Scaffolds for Cartilage Tissue Engineering. Processes (Basel) 2021. [DOI: 10.3390/pr9050730] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Articular cartilage damage is a primary feature of osteoarthritis and other inflammatory joint diseases (i.e., rheumatoid arthritis). Repairing articular cartilage is highly challenging due to its avascular/aneural nature and low cellularity. To induce functional neocartilage formation, the tissue substitute must have mechanical properties which can adapt well to the loading conditions of the joint. Among the various biomaterials which may function as cartilage replacements, polyvinyl alcohol (PVA) hydrogels stand out for their high biocompatibility and tunable mechanical features. This review article describes and discusses the enrichment of PVA with natural materials (i.e., collagen, hyaluronic acid, hydroxyapatite, chitosan, alginate, extracellular matrix) ± synthetic additives (i.e., polyacrylic acid, poly-lactic-co-glycolic acid, poly(ethylene glycol) diacrylate, graphene oxide, bioactive glass) to produce cartilage substitutes with enhanced mechanical performance. PVA-based hybrid scaffolds have been investigated mainly by compression, tensile, friction, stress relaxation and creep tests, demonstrating increased stiffness and friction properties, and with cartilage-like viscoelastic behavior. In vitro and in vivo biocompatibility studies revealed positive outcomes but also many gaps yet to be addressed. Thus, recommendations for future research are proposed in order to prompt further progress in the fabrication of PVA-based hybrid scaffolds which increasingly match the biological and mechanical properties of native cartilage.
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12
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Promoting Effect of Basic Fibroblast Growth Factor in Synovial Mesenchymal Stem Cell-Based Cartilage Regeneration. Int J Mol Sci 2020; 22:ijms22010300. [PMID: 33396695 PMCID: PMC7796036 DOI: 10.3390/ijms22010300] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/25/2020] [Accepted: 12/25/2020] [Indexed: 01/02/2023] Open
Abstract
Synovial mesenchymal stem cell (SMSC) is the promising cell source of cartilage regeneration but has several issues to overcome such as limited cell proliferation and heterogeneity of cartilage regeneration ability. Previous reports demonstrated that basic fibroblast growth factor (bFGF) can promote proliferation and cartilage differentiation potential of MSCs in vitro, although no reports show its beneficial effect in vivo. The purpose of this study is to investigate the promoting effect of bFGF on cartilage regeneration using human SMSC in vivo. SMSCs were cultured with or without bFGF in a growth medium, and 2 × 105 cells were aggregated to form a synovial pellet. Synovial pellets were implanted into osteochondral defects induced in the femoral trochlea of severe combined immunodeficient mice, and histological evaluation was performed after eight weeks. The presence of implanted SMSCs was confirmed by the observation of human vimentin immunostaining-positive cells. Interestingly, broad lacunae structures and cartilage substrate stained by Safranin-O were observed only in the bFGF (+) group. The bFGF (+) group had significantly higher O’Driscoll scores in the cartilage repair than the bFGF (−) group. The addition of bFGF to SMSC growth culture may be a useful treatment option to promote cartilage regeneration in vivo.
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13
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Wang Z, Han L, Sun T, Ma J, Sun S, Ma L, Wu B. Extracellular matrix derived from allogenic decellularized bone marrow mesenchymal stem cell sheets for the reconstruction of osteochondral defects in rabbits. Acta Biomater 2020; 118:54-68. [PMID: 33068746 DOI: 10.1016/j.actbio.2020.10.022] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 09/17/2020] [Accepted: 10/12/2020] [Indexed: 12/28/2022]
Abstract
Bioactive scaffolds from synthetical polymers or decellularized cartilage matrices have been widely used in osteochondral regeneration. However, the risks of potential immunological reactions and the inevitable donor morbidity of these scaffolds have limited their practical applications. To address these issues, a biological extracellular matrix (ECM) scaffold derived from allogenic decellularized bone marrow mesenchymal stem cell (BMSC) sheets was established for osteochondral reconstruction. BMSCs were induced to form cell sheets. Three different concentrations of sodium dodecyl sulfate (SDS), namely, 0.5%, 1%, and 3%, were used to decellularize these BMSC sheets to prepare the ECM. Histological and microstructural observations were performed in vitro and then the ECM scaffolds were implanted into osteochondral defects in rabbits to evaluate the repair effect in vivo. Treatment with 0.5% SDS not only efficiently removed BMSCs but also successfully preserved the original structure and bioactive components of the ECM When compared with the 1% and 3% SDS groups, histological observations substantiated the superior repair effect of osteochondral defects, including the simultaneous regeneration of well-vascularized subchondral bone and avascular articular cartilage integrated with native tissues in the 0.5% SDS group. Moreover, RT-PCR indicated that ECM scaffolds could promote the osteogenic differentiation potential of BMSCs under osteogenic conditions while increasing the chondrogenic differentiation potential of BMSCs under chondrogenic conditions. Allogenic BMSC sheets decellularized with 0.5% SDS treatment increased the recruitment of BMSCs and significantly improved the regeneration of osteochondral defects in rabbits, thus providing a prospective approach for both articular cartilage and subchondral bone reconstruction with cell-free transplantation.
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14
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Chen L, Liu J, Guan M, Zhou T, Duan X, Xiang Z. Growth Factor and Its Polymer Scaffold-Based Delivery System for Cartilage Tissue Engineering. Int J Nanomedicine 2020; 15:6097-6111. [PMID: 32884266 PMCID: PMC7434569 DOI: 10.2147/ijn.s249829] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Accepted: 07/02/2020] [Indexed: 02/05/2023] Open
Abstract
The development of biomaterials, stem cells and bioactive factors has led to cartilage tissue engineering becoming a promising tactic to repair cartilage defects. Various polymer three-dimensional scaffolds that provide an extracellular matrix (ECM) mimicking environment play an important role in promoting cartilage regeneration. In addition, numerous growth factors have been found in the regenerative process. However, it has been elucidated that the uncontrolled delivery of these factors cannot fully exert regenerative potential and can also elicit undesired side effects. Considering the complexity of the ECM, neither scaffolds nor growth factors can independently obtain successful outcomes in cartilage tissue engineering. Therefore, collectively, an appropriate combination of growth factors and scaffolds have great potential to promote cartilage repair effectively; this approach has become an area of considerable interest in recent investigations. Of late, an increasing trend was observed in cartilage tissue engineering towards this combination to develop a controlled delivery system that provides adequate physical support for neo-cartilage formation and also enables spatiotemporally delivery of growth factors to precisely and fully exert their chondrogenic potential. This review will discuss the role of polymer scaffolds and various growth factors involved in cartilage tissue engineering. Several growth factor delivery strategies based on the polymer scaffolds will also be discussed, with examples from recent studies highlighting the importance of spatiotemporal strategies for the controlled delivery of single or multiple growth factors in cartilage tissue engineering applications.
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Affiliation(s)
- Li Chen
- Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China.,School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jiaxin Liu
- Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Ming Guan
- School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA.,Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, People's Republic of China
| | - Tongqing Zhou
- School of Dentistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Xin Duan
- Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Zhou Xiang
- Department of Orthopedics, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
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15
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Filová E, Tonar Z, Lukášová V, Buzgo M, Litvinec A, Rampichová M, Beznoska J, Plencner M, Staffa A, Daňková J, Soural M, Chvojka J, Malečková A, Králíčková M, Amler E. Hydrogel Containing Anti-CD44-Labeled Microparticles, Guide Bone Tissue Formation in Osteochondral Defects in Rabbits. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1504. [PMID: 32751860 PMCID: PMC7466545 DOI: 10.3390/nano10081504] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 07/23/2020] [Accepted: 07/28/2020] [Indexed: 12/14/2022]
Abstract
Hydrogels are suitable for osteochondral defect regeneration as they mimic the viscoelastic environment of cartilage. However, their biomechanical properties are not sufficient to withstand high mechanical forces. Therefore, we have prepared electrospun poly-ε-caprolactone-chitosan (PCL-chit) and poly(ethylene oxide)-chitosan (PEO-chit) nanofibers, and FTIR analysis confirmed successful blending of chitosan with other polymers. The biocompatibility of PCL-chit and PEO-chit scaffolds was tested; fibrochondrocytes and chondrocytes seeded on PCL-chit showed superior metabolic activity. The PCL-chit nanofibers were cryogenically grinded into microparticles (mean size of about 500 µm) and further modified by polyethylene glycol-biotin in order to bind the anti-CD44 antibody, a glycoprotein interacting with hyaluronic acid (PCL-chit-PEGb-antiCD44). The PCL-chit or PCL-chit-PEGb-antiCD44 microparticles were mixed with a composite gel (collagen/fibrin/platelet rich plasma) to improve its biomechanical properties. The storage modulus was higher in the composite gel with microparticles compared to fibrin. The Eloss of the composite gel and fibrin was higher than that of the composite gel with microparticles. The composite gel either with or without microparticles was further tested in vivo in a model of osteochondral defects in rabbits. PCL-chit-PEGb-antiCD44 significantly enhanced osteogenic regeneration, mainly by desmogenous ossification, but decreased chondrogenic differentiation in the defects. PCL-chit-PEGb showed a more homogeneous distribution of hyaline cartilage and enhanced hyaline cartilage differentiation.
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Affiliation(s)
- Eva Filová
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
- Institute of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic
| | - Zbyněk Tonar
- Institute of Histology and Embryology and Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Husova 3, 305 06 Pilsen, Czech Republic; (Z.T.); (A.M.); (M.K.)
| | - Věra Lukášová
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Matěj Buzgo
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
- Institute of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic
| | - Andrej Litvinec
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Michala Rampichová
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Jiří Beznoska
- Hospital of Rudolfa and Stefanie, a. s., Máchova 400, 256 30 Benešov, Czech Republic;
| | - Martin Plencner
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Andrea Staffa
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Jana Daňková
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
| | - Miroslav Soural
- Department of Organic Chemistry, Faculty of Science, Palacky University, 17. listopadu 12, 771 46 Olomouc, Czech Republic;
| | - Jiří Chvojka
- Faculty of Textile Engineering, Technical University of Liberec, Studentská 2, 461 17 Liberec, Czech Republic;
| | - Anna Malečková
- Institute of Histology and Embryology and Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Husova 3, 305 06 Pilsen, Czech Republic; (Z.T.); (A.M.); (M.K.)
| | - Milena Králíčková
- Institute of Histology and Embryology and Biomedical Center, Faculty of Medicine in Pilsen, Charles University in Prague, Husova 3, 305 06 Pilsen, Czech Republic; (Z.T.); (A.M.); (M.K.)
| | - Evžen Amler
- Department of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Science, Videnska 1083, 142 20 Prague 4, Czech Republic; (E.F.); (M.B.); (A.L.); (M.R.); (M.P.); (A.S.); (J.D.); (E.A.)
- Institute of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic
- Student Science s.r.o., Národních Hrdinů 279, Dolní Počernice, 190 12 Prague, Czech Republic
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16
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Patel JM, Saleh KS, Burdick JA, Mauck RL. Bioactive factors for cartilage repair and regeneration: Improving delivery, retention, and activity. Acta Biomater 2019; 93:222-238. [PMID: 30711660 PMCID: PMC6616001 DOI: 10.1016/j.actbio.2019.01.061] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 01/25/2019] [Accepted: 01/29/2019] [Indexed: 12/29/2022]
Abstract
Articular cartilage is a remarkable tissue whose sophisticated composition and architecture allow it to withstand complex stresses within the joint. Once injured, cartilage lacks the capacity to self-repair, and injuries often progress to joint wide osteoarthritis (OA) resulting in debilitating pain and loss of mobility. Current palliative and surgical management provides short-term symptom relief, but almost always progresses to further deterioration in the long term. A number of bioactive factors, including drugs, corticosteroids, and growth factors, have been utilized in the clinic, in clinical trials, or in emerging research studies to alleviate the inflamed joint environment or to promote new cartilage tissue formation. However, these therapies remain limited in their duration and effectiveness. For this reason, current efforts are focused on improving the localization, retention, and activity of these bioactive factors. The purpose of this review is to highlight recent advances in drug delivery for the treatment of damaged or degenerated cartilage. First, we summarize material and modification techniques to improve the delivery of these factors to damaged tissue and enhance their retention and action within the joint environment. Second, we discuss recent studies using novel methods to promote new cartilage formation via biofactor delivery, that have potential for improving future long-term clinical outcomes. Lastly, we review the emerging field of orthobiologics, using delivered and endogenous cells as drug-delivering "factories" to preserve and restore joint health. Enhancing drug delivery systems can improve both restorative and regenerative treatments for damaged cartilage. STATEMENT OF SIGNIFICANCE: Articular cartilage is a remarkable and sophisticated tissue that tolerates complex stresses within the joint. When injured, cartilage cannot self-repair, and these injuries often progress to joint-wide osteoarthritis, causing patients debilitating pain and loss of mobility. Current palliative and surgical treatments only provide short-term symptomatic relief and are limited with regards to efficiency and efficacy. Bioactive factors, such as drugs and growth factors, can improve outcomes to either stabilize the degenerated environment or regenerate replacement tissue. This review highlights recent advances and novel techniques to enhance the delivery, localization, retention, and activity of these factors, providing an overview of the cartilage drug delivery field that can guide future research in restorative and regenerative treatments for damaged cartilage.
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Affiliation(s)
- Jay M Patel
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA 19104, United States
| | - Kamiel S Saleh
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA 19104, United States
| | - Jason A Burdick
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA 19104, United States; Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Robert L Mauck
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Translational Musculoskeletal Research Center, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA 19104, United States; Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA 19104, United States.
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17
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Buzgo M, Plencner M, Rampichova M, Litvinec A, Prosecka E, Staffa A, Kralovic M, Filova E, Doupnik M, Lukasova V, Vocetkova K, Anderova J, Kubikova T, Zajicek R, Lopot F, Jelen K, Tonar Z, Amler E, Divin R, Fiori F. Poly-ε-caprolactone and polyvinyl alcohol electrospun wound dressings: adhesion properties and wound management of skin defects in rabbits. Regen Med 2019; 14:423-445. [PMID: 31180294 DOI: 10.2217/rme-2018-0072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Aim: This study evaluates the effect of electrospun dressings in critical sized full-thickness skin defects in rabbits. Materials & methods: Electrospun poly-ε-caprolactone (PCL) and polyvinyl alcohol (PVA) nanofibers were tested in vitro and in vivo. Results: The PCL scaffold supported the proliferation of mesenchymal stem cells, fibroblasts and keratinocytes. The PVA scaffold showed significant swelling, high elongation capacity, limited protein adsorption and stimulation of cells. Nanofibrous dressings improved wound healing compared with the control group in vivo. A change of the PCL dressing every 7 days resulted in a decreased epithelial thickness and type I collagen level in the adhesive group, indicating peeling off of the newly formed tissue. In the PVA dressings, the exchange did not affect healing. Conclusion: The results demonstrate the importance of proper dressing exchange.
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Affiliation(s)
- Matej Buzgo
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Martin Plencner
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Michala Rampichova
- Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Andrej Litvinec
- Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Eva Prosecka
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Andrea Staffa
- Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Martin Kralovic
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Eva Filova
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic
| | - Miroslav Doupnik
- Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Vera Lukasova
- Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Karolina Vocetkova
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Jana Anderova
- Department of Anatomy & Biomechanics, Faculty of Physical Education & Sport, Charles University, Jose Martiho 31, 162 52 Prague 6, Czech Republic
| | - Tereza Kubikova
- Biomedical Center and Department of Histology and Embryology, Faculty of Medicine in Pilsen, Charles University, Husova 3, 301 00 Pilsen, Czech Republic
| | - Robert Zajicek
- Department of Burns Medicine, 3rd Faculty of Medicine, University Hospital Kralovske Vinohrady, Srobarova 1150/50, 100 00 Prague 10, Czech Republic
| | - Frantisek Lopot
- Department of Anatomy & Biomechanics, Faculty of Physical Education & Sport, Charles University, Jose Martiho 31, 162 52 Prague 6, Czech Republic
| | - Karel Jelen
- Department of Anatomy & Biomechanics, Faculty of Physical Education & Sport, Charles University, Jose Martiho 31, 162 52 Prague 6, Czech Republic
| | - Zbynek Tonar
- Biomedical Center and Department of Histology and Embryology, Faculty of Medicine in Pilsen, Charles University, Husova 3, 301 00 Pilsen, Czech Republic
| | - Evzen Amler
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic.,Nanoprogres, z.s.p.o., Nova 306, 530 09 Pardubice, Czech Republic
| | - Radek Divin
- Department of Biophysics, 2nd Faculty of Medicine, Charles University, V Uvalu 84, 150 06 Prague 5, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic.,Laboratory of Advanced Biomaterials, University Centre for Energy Efficient Buildings, Czech Technical University, Trinecka 1024, 273 43 Bustehrad, Czech Republic
| | - Fabrizio Fiori
- Universita Politecnica delle Marche, Di.S.C.O., Via Brecce Bianche, 60131 Ancona, Italy
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18
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Babrnáková J, Pavliňáková V, Brtníková J, Sedláček P, Prosecká E, Rampichová M, Filová E, Hearnden V, Vojtová L. Synergistic effect of bovine platelet lysate and various polysaccharides on the biological properties of collagen-based scaffolds for tissue engineering: Scaffold preparation, chemo-physical characterization, in vitro and ex ovo evaluation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:236-246. [PMID: 30948058 DOI: 10.1016/j.msec.2019.02.092] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 02/07/2019] [Accepted: 02/23/2019] [Indexed: 01/08/2023]
Abstract
Crosslinked 3D porous collagen-polysaccharide scaffolds, prepared by freeze-drying, were modified with bovine platelet lysate (BPL) and evaluated in terms of chemical, physical and biological properties. Natural antibacterial polysaccharides like chitosan, chitin/chitosan-glucan complex and calcium salt of oxidized cellulose (CaOC) incorporated in collagen scaffolds affected not only chemo-physical properties of the composite scaffolds but also improved their biological properties, especially when BPL was presented. Lipophilic BPL formed microspheres in porous scaffolds while reduced by half their swelling ratio. The resistance of collagen sponges to hydrolytic degradation in water depended strongly on chemical crosslinking varying from 60 min to more than one year. According to in-vitro tests, chemically crosslinked scaffolds exhibited a good cellular response, cell-matrix interactions, and biocompatibility of the material. The combination of collagen with natural polysaccharides confirmed a significant positive synergistic effect on cultivation of cells as determined by MTS assay and PicoGreen method, as well as on angiogenesis evaluated by ex ovo Chick Chorioallantoic Membrane (CAM) assay. Contrary, modification only by BLP of pure collagen scaffolds exhibited decreased biocompatibility in comparison to unmodified pure collagen scaffold. We propose that the newly developed crosslinked collagen sponges involving bioactive additives could be used as scaffold for growing cells in systems with low mechanical loading in tissue engineering, especially in dermis replacement, where neovascularization is a crucial parameter for successful skin regeneration.
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Affiliation(s)
- Johana Babrnáková
- CEITEC - Central European Institute of Technology, Brno University of Technology, Advanced Biomaterials, Purkynova 656/123, 612 00 Brno, Czech Republic.
| | - Veronika Pavliňáková
- CEITEC - Central European Institute of Technology, Brno University of Technology, Advanced Biomaterials, Purkynova 656/123, 612 00 Brno, Czech Republic
| | - Jana Brtníková
- CEITEC - Central European Institute of Technology, Brno University of Technology, Advanced Biomaterials, Purkynova 656/123, 612 00 Brno, Czech Republic
| | - Petr Sedláček
- Materials Research Centre, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 612 00 Brno, Czech Republic
| | - Eva Prosecká
- Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Michala Rampichová
- Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Eva Filová
- Institute of Experimental Medicine of the Czech Academy of Sciences, Videnska 1083, 14220 Prague, Czech Republic
| | - Vanessa Hearnden
- Department of Materials Science and Engineering, Kroto Research Institute, North Campus, University of Sheffield, Broad Lane, Sheffield S3 7HQ, United Kingdom
| | - Lucy Vojtová
- CEITEC - Central European Institute of Technology, Brno University of Technology, Advanced Biomaterials, Purkynova 656/123, 612 00 Brno, Czech Republic
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19
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Wang Z, Li Z, Li Z, Wu B, Liu Y, Wu W. Cartilaginous extracellular matrix derived from decellularized chondrocyte sheets for the reconstruction of osteochondral defects in rabbits. Acta Biomater 2018; 81:129-145. [PMID: 30300711 DOI: 10.1016/j.actbio.2018.10.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 09/20/2018] [Accepted: 10/04/2018] [Indexed: 12/28/2022]
Abstract
Cartilaginous extracellular matrix (ECM) materials derived from decellularized native articular cartilage are widely used in cartilage regeneration. However, it is difficult for endogenous cells to migrate into ECM derived from native cartilage owing to its nonporous structure and dense nature. Moreover, current decellularization approaches frequently lead to architectural breakdown and potential loss of surface composition of ECM. To solve this problem, we aimed to establish a novel biological ECM scaffold from chondrocyte sheets for cartilage regeneration. We cultured chondrocytes harvested from the auricular cartilage of 4-week-old New Zealand rabbits and enabled them to form cell sheets. These sheets were decellularized using sodium dodecyl sulfate (SDS) with three different concentrations, namely, 1%, 5%, and 10%, followed by 1% Triton X-100 and deoxyribonuclease enzyme solution. In vitro microstructural examination and mechanical tests demonstrated that 1% SDS not only removed chondrocytes completely but also maintained the native architecture and composition of ECM, thus avoiding the use of high-concentration SDS. Application of decellularized chondrocyte sheets for osteochondral defects in rabbits resulted in substantial host remodeling and variant regeneration of osteochondral tissues. One percent SDS-treated decellularized chondrocyte sheets contributed to the superior reconstruction of osteochondral defects as compared with 5% and 10% SDS groups, which includes vascularized subchondral bone, articular cartilage with adequate thickness, and integration with host tissues. Furthermore, ECM from 1% SDS significantly increased the migrating potential of bone marrow mesenchymal stem cells (BMSCs) in vitro. RT-PCR and western blot also revealed that ECM increased the expression of SOX-9 in BMSCs, whereas it decreased COL-X expression. In conclusion, our results suggested that the chondrocyte sheets decellularized with 1% SDS preserved the integrity and bioactivity, which favored cell recruitment and enabled osteochondral regeneration in the knee joints of rabbits, thus offering a promising approach for articular cartilage reconstruction without cell transplantation. STATEMENT OF SIGNIFICANCE: Although biological extracellular matrix (ECM) derived from decellularized native cartilage has been widely used in cartilage regeneration, it is difficult for endogenous cells to migrate into ECM owing to its dense nature. Moreover, current decellularization approaches lead to architectural breakdown of ECM. This study established a novel biological ECM from decellularized chondrocyte sheets for cartilage regeneration. Our results suggested that cartilaginous ECM favored cell recruitment and enabled osteochondral regeneration in rabbits, thus offering a promising approach for articular cartilage reconstruction without cell transplantation. SDS 1% adequately decellularized the chondrocytes in cell sheets, whereas it maintained the native architecture and composition of ECM, thereby avoiding the use of high-concentration SDS and providing a new way to acquire cartilaginous ECM.
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Xing F, Li L, Liu M, Duan X, Long Y, Xiang Z. [The application and research progress of in-situ tissue engineering technology in bone and cartilage repair]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2018; 32:1358-1364. [PMID: 30215487 DOI: 10.7507/1002-1892.201712118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective To review the application and research progress of
in-situ tissue engineering technology in bone and cartilage repair. Methods The original articles about
in-situ tissue engineering technology in bone and cartilage repair were extensively reviewed and analyzed. Results In-situ tissue engineering have been shown to be effective in repairing bone defects and cartilage defects, but biological mechanisms are inadequate. At present, most of researches are mainly focused on animal experiments, and the effect of clinical repair need to be further studied. Conclusion In-situ tissue engineering technology has wide application prospects in bone and cartilage tissue engineering. However, further study on the mechanism of related cytokines need to be conducted.
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Affiliation(s)
- Fei Xing
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Lang Li
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Ming Liu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Xin Duan
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Ye Long
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Zhou Xiang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041,
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21
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Ortega Z, Alemán ME, Donate R. Nanofibers and Microfibers for Osteochondral Tissue Engineering. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1058:97-123. [PMID: 29691819 DOI: 10.1007/978-3-319-76711-6_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The use of fibers into scaffolds is a way to mimic natural tissues, in which fibrils are embedded in a matrix. The use of fibers can improve the mechanical properties of the scaffolds and may act as structural support for cell growth. Also, as the morphology of fibrous scaffolds is similar to the natural extracellular matrix, cells cultured on these scaffolds tend to maintain their phenotypic shape. Different materials and techniques can be used to produce micrfibers- and nanofibers for scaffolds manufacturing; cells, in general, adhere and proliferate very well on PCL, chitosan, silk fibroin, and other nanofibers. One of the most important techniques to produce microfibers/nanofibers is electrospinning. Nanofibrous scaffolds are receiving increasing attention in bone tissue engineering, because they are able to offer a favorable microenvironment for cell attachment and growth. Different polymers can be electrospun, i.e., polyester, polyurethane, PLA, PCL, collagen, and silk. Other materials such as bioglass fibers, nanocellulose, and even carbon fiber and fabrics have been used to help increase bioactivity, mechanical properties of the scaffold, and cell proliferation. A compilation of mechanical properties and most common biological tests performed on fibrous scaffolds is included in this chapter. HIGHLIGHTS The use of microfibers and nanofibers allows for tailoring the scaffold properties. Electrospinning is one of the most important techniques nowadays to produce fibrous scaffolds. Microfibers and nanofibers use in scaffolds is a promising field to improve the behavior of scaffolds in osteochondral applications.
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Affiliation(s)
- Zaida Ortega
- Grupo de investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain.
| | - María Elena Alemán
- Grupo de investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain
| | - Ricardo Donate
- Grupo de investigación en Fabricación Integrada y Avanzada, Universidad de Las Palmas de Gran Canaria, Las Palmas, Spain
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Abstract
The therapeutic potential of liposomes can be amplified when combined with biomaterial scaffolds. Such configurations overcome the convergent demands of therapies by enabling enhanced delivery, environmental responsiveness and potency. Liposomes benefit from the increased physical and mechanical strength, favorable rheological properties and natural environment conducive to improved tissue formation that scaffolds provide, while enabling biocompatible delivery of hydrophilic and lipophilic compounds that can be further functionalized to achieve targeted delivery. Topical, ocular, oral, nasal and vaginal applications have been explored using various polymer- or nanofiber-based scaffolds. Mechanistic and rheological findings on complexation between biomaterials, liposomes and cargo have led to multimodal systems with tremendous clinical potential. A review of the key developments in bioengineered liposome-scaffold composites is presented in this manuscript.
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23
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Human Urine-Derived Stem Cells: Potential for Cell-Based Therapy of Cartilage Defects. Stem Cells Int 2018; 2018:4686259. [PMID: 29765413 PMCID: PMC5932456 DOI: 10.1155/2018/4686259] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 02/25/2018] [Accepted: 03/19/2018] [Indexed: 02/05/2023] Open
Abstract
Stem cell therapy is considered an optimistic approach to replace current treatments for cartilage defects. Recently, human urine-derived stem cells (hUSCs), which are isolated from the urine, are studied as a promising candidate for many tissue engineering therapies due to their multipotency and sufficient proliferation activities. However, it has not yet been reported whether hUSCs can be employed in cartilage defects. In this study, we revealed that induced hUSCs expressed chondrogenic-related proteins, including aggrecan and collagen II, and their gene expression levels were upregulated in vitro. Moreover, we combined hUSCs with hyaluronic acid (HA) and injected hUSCs-HA into a rabbit knee joint with cartilage defect. Twelve weeks after the injection, the histologic analyses (HE, toluidine blue, and Masson trichrome staining), immunohistochemistry (aggrecan and collagen II), and histologic grade of the sample indicated that hUSCs-HA could stimulate much more neocartilage formation compared with hUSCs alone, pure HA, and saline, which only induced the modest cartilage regeneration. In this study, we demonstrated that hUSCs could be a potential cell source for stem cell therapies to treat cartilage-related defects in the future.
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24
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De Mori A, Peña Fernández M, Blunn G, Tozzi G, Roldo M. 3D Printing and Electrospinning of Composite Hydrogels for Cartilage and Bone Tissue Engineering. Polymers (Basel) 2018; 10:E285. [PMID: 30966320 PMCID: PMC6414880 DOI: 10.3390/polym10030285] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/02/2018] [Accepted: 03/07/2018] [Indexed: 12/19/2022] Open
Abstract
Injuries of bone and cartilage constitute important health issues costing the National Health Service billions of pounds annually, in the UK only. Moreover, these damages can become cause of disability and loss of function for the patients with associated social costs and diminished quality of life. The biomechanical properties of these two tissues are massively different from each other and they are not uniform within the same tissue due to the specific anatomic location and function. In this perspective, tissue engineering (TE) has emerged as a promising approach to address the complexities associated with bone and cartilage regeneration. Tissue engineering aims at developing temporary three-dimensional multicomponent constructs to promote the natural healing process. Biomaterials, such as hydrogels, are currently extensively studied for their ability to reproduce both the ideal 3D extracellular environment for tissue growth and to have adequate mechanical properties for load bearing. This review will focus on the use of two manufacturing techniques, namely electrospinning and 3D printing, that present promise in the fabrication of complex composite gels for cartilage and bone tissue engineering applications.
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Affiliation(s)
- Arianna De Mori
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, UK.
| | - Marta Peña Fernández
- Zeiss Global Centre, School of Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK.
| | - Gordon Blunn
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, UK.
| | - Gianluca Tozzi
- Zeiss Global Centre, School of Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK.
| | - Marta Roldo
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, UK.
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25
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Vera L, Matej B, Karolina V, Tereza K, Zbyněk T, Miroslav D, Veronika B, Andrej L, Vera S, Barbora V, Andrea S, Petr S, Milena K, Evzen A, Eva F, Franco R, Michala R. Osteoinductive 3D scaffolds prepared by blend centrifugal spinning for long-term delivery of osteogenic supplements. RSC Adv 2018; 8:21889-21904. [PMID: 35541719 PMCID: PMC9081096 DOI: 10.1039/c8ra02735h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 06/06/2018] [Indexed: 11/21/2022] Open
Abstract
Bone regeneration is a long-term process requiring proper scaffolding and drug delivery systems. The current study delivers a three-dimensional (3D) scaffold prepared by blend centrifugal spinning loaded with the osteogenic supplements (OS) β-glycerol phosphate, ascorbate-2-phosphate and dexamethasone. The OS were successfully encapsulated into a fibrous scaffold and showed sustained release for 30 days. Furthermore, biological testing showed the osteoinductive properties of the scaffolds on a model of human mesenchymal stem cells and stimulatory effect on a model of osteoblasts. The osteoinductive properties were further proved in vivo in critical size defects of rabbits. The amount of bone trabecules was bigger compared to control fibers without OS. The results indicate that due to its long-term drug releasing properties, single step fabrication process and 3D structure, the system shows ideal properties for use as a cell-free bone implant in tissue-engineering. Bone regeneration is a long-term process requiring proper scaffolding and drug delivery systems.![]()
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26
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Dias IR, Viegas CA, Carvalho PP. Large Animal Models for Osteochondral Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1059:441-501. [PMID: 29736586 DOI: 10.1007/978-3-319-76735-2_20] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Namely, in the last two decades, large animal models - small ruminants (sheep and goats), pigs, dogs and horses - have been used to study the physiopathology and to develop new therapeutic procedures to treat human clinical osteoarthritis. For that purpose, cartilage and/or osteochondral defects are generally performed in the stifle joint of selected large animal models at the condylar and trochlear femoral areas where spontaneous regeneration should be excluded. Experimental animal care and protection legislation and guideline documents of the US Food and Drug Administration, the American Society for Testing and Materials and the International Cartilage Repair Society should be followed, and also the specificities of the animal species used for these studies must be taken into account, such as the cartilage thickness of the selected defect localization, the defined cartilage critical size defect and the joint anatomy in view of the post-operative techniques to be performed to evaluate the chondral/osteochondral repair. In particular, in the articular cartilage regeneration and repair studies with animal models, the subchondral bone plate should always be taken into consideration. Pilot studies for chondral and osteochondral bone tissue engineering could apply short observational periods for evaluation of the cartilage regeneration up to 12 weeks post-operatively, but generally a 6- to 12-month follow-up period is used for these types of studies.
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Affiliation(s)
- Isabel R Dias
- Department of Veterinary Sciences, Agricultural and Veterinary Sciences School, University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal. .,3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Department of Polymer Engineering, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque da Ciência e Tecnologia, Zona Industrial da Gandra, Barco - Guimarães, 4805-017, Portugal. .,Department of Veterinary Medicine, ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Carlos A Viegas
- Department of Veterinary Sciences, Agricultural and Veterinary Sciences School, University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal.,3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Department of Polymer Engineering, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque da Ciência e Tecnologia, Zona Industrial da Gandra, Barco - Guimarães, 4805-017, Portugal.,Department of Veterinary Medicine, ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Pedro P Carvalho
- Department of Veterinary Medicine, University School Vasco da Gama, Av. José R. Sousa Fernandes 197, Lordemão, Coimbra, 3020-210, Portugal.,CIVG - Vasco da Gama Research Center, University School Vasco da Gama, Coimbra, Portugal
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27
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Li X, He X, Yin Y, Wu R, Tian B, Chen F. Administration of signalling molecules dictates stem cell homing for in situ regeneration. J Cell Mol Med 2017; 21:3162-3177. [PMID: 28767189 PMCID: PMC5706509 DOI: 10.1111/jcmm.13286] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2017] [Accepted: 05/29/2017] [Indexed: 12/13/2022] Open
Abstract
Ex vivo-expanded stem cells have long been a cornerstone of biotherapeutics and have attracted increasing attention for treating intractable diseases and improving tissue regeneration. However, using exogenous cellular materials to develop restorative treatments for large numbers of patients has become a major concern for both economic and safety reasons. Advances in cell biological research over the past two decades have expanded the potential for using endogenous stem cells during wound healing processes, and in particular, recent insight into stem cell movement and homing has prompted regenerative research and therapy based on recruiting endogenous cells. Inspired by the natural healing process, artificial administration of specific chemokines as signals systemically or at the injury site, typically using biomaterials as vehicles, is a state-of-the-art strategy that potentiates stem cell homing and recreates an anti-inflammatory and immunomodulatory microenvironment to enhance in situ tissue regeneration. However, pharmacologically coaxing endogenous stem cells to act as therapeutics in the field of biomedicine remains in the early stages; its efficacy is limited by the lack of innovative methodologies for chemokine presentation and release. This review describes how to direct the homing of endogenous stem cells via the administration of specific signals, with a particular emphasis on targeted signalling molecules that regulate this homing process, to enhance in situ tissue regeneration. We also provide an outlook on and critical considerations for future investigations to enhance stem cell recruitment and harness the reparative potential of these recruited cells as a clinically relevant cell therapy.
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Affiliation(s)
- Xuan Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
| | - Xiao‐Tao He
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
| | - Yuan Yin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
| | - Rui‐Xin Wu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
| | - Bei‐Min Tian
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
| | - Fa‐Ming Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral DiseasesDepartment of PeriodontologySchool of StomatologyFourth Military Medical UniversityXi'anChina
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28
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Lukasova V, Buzgo M, Sovkova V, Dankova J, Rampichova M, Amler E. Osteogenic differentiation of 3D cultured mesenchymal stem cells induced by bioactive peptides. Cell Prolif 2017; 50. [PMID: 28714176 DOI: 10.1111/cpr.12357] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 05/10/2017] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Bioactive peptides derived from receptor binding motifs of native proteins are a potent source of bioactive molecules that can induce signalling pathways. These peptides could substitute for osteogenesis promoting supplements. The work presented here compares three kinds of bioactive peptides derived from collagen III, bone morphogenetic protein 7 (BMP-7) and BMP-2 with their potential osteogenic activity on the model of porcine mesenchymal stem cells (pMSCs). MATERIALS AND METHODS pMSCs were cultured on electrospun polycaprolactone nanofibrous scaffolds with different concentrations of the bioactive peptides without addition of any osteogenic supplement. Analysis of pMSCs cultures included measurement of the metabolic activity and proliferation, immunofluorescence staining and also qPCR. RESULTS Results showed no detrimental effect of the bioactive peptides to cultured pMSCs. Based on qPCR analysis, the bioactive peptides are specific for osteogenic differentiation with no detectable expression of collagen II. Our results further indicate that peptide derived from BMP-2 protein promoted the expression of mRNA for osteocalcin (OCN) and collagen I significantly compared to control groups and also supported deposition of OCN as observed by immunostaining method. CONCLUSION The data suggest that bioactive peptide with an amino acid sequence of KIPKASSVPTELSAISTLYL derived from BMP-2 protein was the most potent for triggering osteogenic differentiation of pMSCs.
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Affiliation(s)
- Vera Lukasova
- Faculty of Science, Charles University in Prague, Prague, Czech Republic.,Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Matej Buzgo
- Institute of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic.,University Center for Energy Efficient Buildings, Czech Technical University in Prague, Bustehrad, Czech Republic
| | - Vera Sovkova
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic.,Institute of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Jana Dankova
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic.,Institute of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Michala Rampichova
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic.,University Center for Energy Efficient Buildings, Czech Technical University in Prague, Bustehrad, Czech Republic
| | - Evzen Amler
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic.,Institute of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic.,University Center for Energy Efficient Buildings, Czech Technical University in Prague, Bustehrad, Czech Republic
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29
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A Gelatin-sulfonated Silk Composite Scaffold based on 3D Printing Technology Enhances Skin Regeneration by Stimulating Epidermal Growth and Dermal Neovascularization. Sci Rep 2017; 7:4288. [PMID: 28655891 PMCID: PMC5487355 DOI: 10.1038/s41598-017-04149-y] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 05/10/2017] [Indexed: 02/02/2023] Open
Abstract
One of the key problems hindering skin repair is the deficiency of dermal vascularization and difficulty of epidermis regeneration, which makes it challenging to fabricate scaffolds that can biologically fulfill the requirements for skin regeneration. To overcome this problem, three-dimensional printing was used to fabricate a gelatin-sulfonated silk composite scaffold that was incorporated with basic fibroblast growth factor 2 (FGF-2) through binding with a sulfonic acid group (SO3) (3DG-SF-SO3-FGF). The efficacy and mechanism by which the 3DG-SF-SO3-FGF scaffolds promote skin regeneration were investigated both within in vitro cell culture and in vivo with a full-thickness skin defect model. The histological results showed that the gelatin-sulfonated silk composite scaffolds promoted granulation, and that incorporation of FGF-2 significantly enhanced the regeneration of skin-like tissues after implantation in rat skin defects for 14 and 28 days. Further investigations demonstrated that 3DG-SF-SO3-FGF scaffolds might stimulate dermal vascularization. These findings thus suggest that incorporation of FGF-2 into the 3D printed scaffolds is a viable strategy for enhancing skin regeneration.
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30
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Chen H, Xie S, Yang Y, Zhang J, Zhang Z. Multiscale regeneration scaffold
in vitro
and
in vivo. J Biomed Mater Res B Appl Biomater 2017; 106:1218-1225. [DOI: 10.1002/jbm.b.33926] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 04/16/2017] [Accepted: 05/12/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Haiping Chen
- School of Mechanical and Electrical EngineeringJinggangshan UniversityJi'an343009 China
| | - Shikun Xie
- School of Mechanical and Electrical EngineeringJinggangshan UniversityJi'an343009 China
| | - Yuanmo Yang
- School of Mechanical and Electrical EngineeringJinggangshan UniversityJi'an343009 China
| | - Jing Zhang
- School of Electronics and Information EngineeringJinggangshan UniversityJi'an343009 China
| | - Zhuangya Zhang
- School of Mechanical EngineeringHenan University of Science and TechnologyLuoyang471003 China
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31
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Moghassemi S, Hadjizadeh A, Hakamivala A, Omidfar K. Growth Factor-Loaded Nano-niosomal Gel Formulation and Characterization. AAPS PharmSciTech 2017; 18:34-41. [PMID: 27502406 DOI: 10.1208/s12249-016-0579-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Accepted: 06/21/2016] [Indexed: 12/30/2022] Open
Abstract
Controlled delivery of signaling factors could be a great approach in the tissue engineering field. Nano-niosomal drug delivery systems offer numerous advantages for this purpose. The present study reports the formulation and evaluation of a growth factor (GF)-loaded nano-niosome-hydrogel composite for GF delivery to modulate cell behavior. Niosomes were prepared, using span 60 surfactant with cholesterol (CH) in diethyl ether solvent, by reverse-phase evaporation technique. Basic fibroblast growth factor (bFGF) and bovine serum albumin (BSA) were loaded simultaneously and the final suspension was embedded into agarose hydrogel. Particle size, vesicle morphology, protein entrapment efficiency (EE), and release profile were measured by dynamic light scattering (DLS) nanoparticle size analyzer, transmission electron microscopy (TEM) and NanoDrop spectrophotometry methods, respectively. The release and performance of bFGF were revealed via human umbilical vein endothelial cell (HUVEC) proliferation using microscopy imaging and MTT assay. Nano-niosomes had an average particle size of 232 nm and had encapsulated 58% of the total proteins present in the suspension. bFGF-BSA-loaded niosomal gel considerably enhanced HUVEC proliferation. This GF-loaded niosomal hydrogel could be a potent material in many biomedical applications including the induction of angiogenesis in tissue engineering.
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32
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Camarero-Espinosa S, Rothen-Rutishauser B, Foster EJ, Weder C. Articular cartilage: from formation to tissue engineering. Biomater Sci 2016; 4:734-67. [PMID: 26923076 DOI: 10.1039/c6bm00068a] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hyaline cartilage is the nonlinear, inhomogeneous, anisotropic, poro-viscoelastic connective tissue that serves as friction-reducing and load-bearing cushion in synovial joints and is vital for mammalian skeletal movements. Due to its avascular nature, low cell density, low proliferative activity and the tendency of chondrocytes to de-differentiate, cartilage cannot regenerate after injury, wear and tear, or degeneration through common diseases such as osteoarthritis. Therefore severe damage usually requires surgical intervention. Current clinical strategies to generate new tissue include debridement, microfracture, autologous chondrocyte transplantation, and mosaicplasty. While articular cartilage was predicted to be one of the first tissues to be successfully engineered, it proved to be challenging to reproduce the complex architecture and biomechanical properties of the native tissue. Despite significant research efforts, only a limited number of studies have evolved up to the clinical trial stage. This review article summarizes the current state of cartilage tissue engineering in the context of relevant biological aspects, such as the formation and growth of hyaline cartilage, its composition, structure and biomechanical properties. Special attention is given to materials development, scaffold designs, fabrication methods, and template-cell interactions, which are of great importance to the structure and functionality of the engineered tissue.
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Affiliation(s)
- Sandra Camarero-Espinosa
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
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33
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FILOVÁ E, JAKUBCOVÁ B, DANILOVÁ I, KUŽELOVÁ KOŠŤÁKOVÁ E, JAROŠÍKOVÁ T, CHERNYAVSKIY O, HEJDA J, HANDL M, BEZNOSKA J, NEČAS A, ROSINA J, AMLER E. Polycaprolactone Foam Functionalized With Chitosan Microparticles – a Suitable Scaffold for Cartilage Regeneration. Physiol Res 2016; 65:121-31. [DOI: 10.33549/physiolres.932998] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
For biodegradable porous scaffolds to have a potential application in cartilage regeneration, they should enable cell growth and differentiation and should have adequate mechanical properties. In this study, our aim was to prepare biocompatible scaffolds with improved biomechanical properties. To this end, we have developed foam scaffolds from poly-Ɛ-caprolactone (PCL) with incorporated chitosan microparticles. The scaffolds were prepared by a salt leaching technique from either 10 or 15 wt% PCL solutions containing 0, 10 and 20 wt% chitosan microparticles, where the same amount and size of NaCl was used as a porogen in all the cases. PCL scaffolds without and with low amounts of chitosan (0 and 10 wt% chitosan) showed higher DNA content than scaffolds with high amounts of chitosan during a 22-day experiment. 10 wt% PCL with 10 and 20 wt% chitosan showed significantly increased viscoelastic properties compared to 15 wt% PCL scaffolds with 0 and 10 wt% chitosan. Thus, 10 wt% PCL scaffolds with 0 wt% and 10 wt% chitosan are potential scaffolds for cartilage regeneration.
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Affiliation(s)
- E. FILOVÁ
- Institute of Experimental Medicine of the Czech Academy of Sciences, Prague, Czech Republic
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Dai Y, Liu G, Ma L, Wang D, Gao C. Cell-free macro-porous fibrin scaffolds for in situ inductive regeneration of full-thickness cartilage defects. J Mater Chem B 2016; 4:4410-4419. [DOI: 10.1039/c6tb00681g] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Macro-porous fibrin scaffold was fabricated and used to induce cartilage regenerationin situwithout pre-loaded cells or growth factors.
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Affiliation(s)
- Yuankun Dai
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Gang Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Lie Ma
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Dongan Wang
- Division of Bioengineering
- School of Chemical & Biomedical Engineering
- Nanyang Technological University
- Singapore
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
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35
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Stocco E, Barbon S, Grandi F, Gamba PG, Borgio L, Del Gaudio C, Dalzoppo D, Lora S, Rajendran S, Porzionato A, Macchi V, Rambaldo A, De Caro R, Parnigotto PP, Grandi C. Partially oxidized polyvinyl alcohol as a promising material for tissue engineering. J Tissue Eng Regen Med 2015; 11:2060-2070. [PMID: 26511206 DOI: 10.1002/term.2101] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 07/10/2015] [Accepted: 09/15/2015] [Indexed: 11/06/2022]
Abstract
The desired clinical outcome after implantation of engineered tissue substitutes depends strictly on the development of biodegradable scaffolds. In this study we fabricated 1% and 2% oxidized polyvinyl alcohol (PVA) hydrogels, which were considered for the first time for tissue-engineering applications. The final aim was to promote the protein release capacity and biodegradation rate of the resulting scaffolds in comparison with neat PVA. After physical crosslinking, characterization of specific properties of 1% and 2% oxidized PVA was performed. We demonstrated that mechanical properties, hydrodynamic radius of molecules, thermal characteristics and degree of crystallinity were inversely proportional to the PVA oxidation rate. On the other hand, swelling behaviour and protein release were enhanced, confirming the potential of oxidized PVA as a protein delivery system, besides being highly biodegradable. Twelve weeks after in vivo implantation in mice, the modified hydrogels did not elicit severe inflammatory reactions, showing them to be biocompatible and to degrade faster as the degree of oxidation increased. According to our results, oxidized PVA stands out as a novel biomaterial for tissue engineering that can be used to realize scaffolds with customizable mechanical behaviour, protein-loading ability and biodegradability. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Elena Stocco
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Italy
| | - Silvia Barbon
- Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signalling (TES) ONLUS, Padua, Italy.,Section of Human Anatomy, Department of Molecular Medicine, University of Padua, Italy
| | - Francesca Grandi
- Department of Women's and Children's Health, Paediatric Surgery, University of Padua, Italy
| | - Pier Giorgio Gamba
- Department of Women's and Children's Health, Paediatric Surgery, University of Padua, Italy
| | - Luca Borgio
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Italy
| | - Costantino Del Gaudio
- Department of Enterprise Engineering 'Mario Lucertini', Intra-Universitary Consortium for Material Science and Technology (INSTM) Research Unit, University of Rome 'Tor Vergata', Italy
| | - Daniele Dalzoppo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Italy
| | - Silvano Lora
- Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signalling (TES) ONLUS, Padua, Italy
| | | | - Andrea Porzionato
- Section of Human Anatomy, Department of Molecular Medicine, University of Padua, Italy
| | - Veronica Macchi
- Section of Human Anatomy, Department of Molecular Medicine, University of Padua, Italy
| | - Anna Rambaldo
- Section of Human Anatomy, Department of Molecular Medicine, University of Padua, Italy
| | - Raffaele De Caro
- Section of Human Anatomy, Department of Molecular Medicine, University of Padua, Italy
| | - Pier Paolo Parnigotto
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Italy.,Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signalling (TES) ONLUS, Padua, Italy
| | - Claudio Grandi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Italy
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Vilela CA, Correia C, Oliveira JM, Sousa RA, Espregueira-Mendes J, Reis RL. Cartilage Repair Using Hydrogels: A Critical Review of in Vivo Experimental Designs. ACS Biomater Sci Eng 2015; 1:726-739. [DOI: 10.1021/acsbiomaterials.5b00245] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- C. A. Vilela
- 3B’s
Research Group, University of Minho, Guimarães, Portugal
- ICVS/3B’s−PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Life
and Health Sciences Research Institute (ICVS), University of Minho, Braga, Portugal
- Orthopaedic
Department, Centro Hospitalar do Alto Ave, Guimarães, Portugal
| | - C. Correia
- Stemmatters, Biotecnologia e Medicina Regenerativa SA, Guimarães, Portugal
| | - J. M. Oliveira
- 3B’s
Research Group, University of Minho, Guimarães, Portugal
- ICVS/3B’s−PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - R. A. Sousa
- Stemmatters, Biotecnologia e Medicina Regenerativa SA, Guimarães, Portugal
| | - J. Espregueira-Mendes
- 3B’s
Research Group, University of Minho, Guimarães, Portugal
- ICVS/3B’s−PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Life
and Health Sciences Research Institute (ICVS), University of Minho, Braga, Portugal
- Clínica
do Dragão, Espregueira-Mendes Sports Centre, Porto, Portugal
| | - R. L. Reis
- 3B’s
Research Group, University of Minho, Guimarães, Portugal
- ICVS/3B’s−PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Stemmatters, Biotecnologia e Medicina Regenerativa SA, Guimarães, Portugal
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Babur BK, Futrega K, Lott WB, Klein TJ, Cooper-White J, Doran MR. High-throughput bone and cartilage micropellet manufacture, followed by assembly of micropellets into biphasic osteochondral tissue. Cell Tissue Res 2015; 361:755-68. [PMID: 25924853 PMCID: PMC4550660 DOI: 10.1007/s00441-015-2159-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 02/22/2015] [Indexed: 11/05/2022]
Abstract
Engineered biphasic osteochondral tissues may have utility in cartilage defect repair. As bone-marrow-derived mesenchymal stem/stromal cells (MSC) have the capacity to make both bone-like and cartilage-like tissues, they are an ideal cell population for use in the manufacture of osteochondral tissues. Effective differentiation of MSC to bone-like and cartilage-like tissues requires two unique medium formulations and this presents a challenge both in achieving initial MSC differentiation and in maintaining tissue stability when the unified osteochondral tissue is subsequently cultured in a single medium formulation. In this proof-of-principle study, we used an in-house fabricated microwell platform to manufacture thousands of micropellets formed from 166 MSC each. We then characterized the development of bone-like and cartilage-like tissue formation in the micropellets maintained for 8–14 days in sequential combinations of osteogenic or chondrogenic induction medium. When bone-like or cartilage-like micropellets were induced for only 8 days, they displayed significant phenotypic changes when the osteogenic or chondrogenic induction medium, respectively, was swapped. Based on these data, we developed an extended 14-day protocol for the pre-culture of bone-like and cartilage-like micropellets in their respective induction medium. Unified osteochondral tissues were formed by layering 12,000 osteogenic micropellets and 12,000 chondrogenic micropellets into a biphasic structure and then further culture in chondrogenic induction medium. The assembled tissue was cultured for a further 8 days and characterized via histology. The micropellets had amalgamated into a continuous structure with distinctive bone-like and cartilage-like regions. This proof-of-concept study demonstrates the feasibility of micropellet assembly for the formation of osteochondral-like tissues for possible use in osteochondral defect repair.
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Affiliation(s)
- Betul Kul Babur
- Stem Cell Therapies Laboratory, Institute of Health and Biomedical Innovation, Queensland University of Technology at the Translational Research Institute, Brisbane, Australia
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Biomimetic approaches in bone tissue engineering: Integrating biological and physicomechanical strategies. Adv Drug Deliv Rev 2015; 84:1-29. [PMID: 25236302 DOI: 10.1016/j.addr.2014.09.005] [Citation(s) in RCA: 270] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Revised: 09/01/2014] [Accepted: 09/05/2014] [Indexed: 02/06/2023]
Abstract
The development of responsive biomaterials capable of demonstrating modulated function in response to dynamic physiological and mechanical changes in vivo remains an important challenge in bone tissue engineering. To achieve long-term repair and good clinical outcomes, biologically responsive approaches that focus on repair and reconstitution of tissue structure and function through drug release, receptor recognition, environmental responsiveness and tuned biodegradability are required. Traditional orthopedic materials lack biomimicry, and mismatches in tissue morphology, or chemical and mechanical properties ultimately accelerate device failure. Multiple stimuli have been proposed as principal contributors or mediators of cell activity and bone tissue formation, including physical (substrate topography, stiffness, shear stress and electrical forces) and biochemical factors (growth factors, genes or proteins). However, optimal solutions to bone regeneration remain elusive. This review will focus on biological and physicomechanical considerations currently being explored in bone tissue engineering.
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Jang YS, Jang CH, Cho YB, Kim M, Kim GH. Tracheal regeneration using polycaprolactone/collagen-nanofiber coated with umbilical cord serum after partial resection. Int J Pediatr Otorhinolaryngol 2014; 78:2237-43. [PMID: 25465447 DOI: 10.1016/j.ijporl.2014.10.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 10/16/2014] [Accepted: 10/19/2014] [Indexed: 01/10/2023]
Abstract
OBJECTIVES We developed a PCL/collagen nanofiber (PC-NF) scaffold/human umbilical cord serum (hUCS) to facilitate epithelial cell migration after implantation in order to promote regeneration of the tracheal epithelium without having a cell source. MATERIALS AND METHODS The isolated chodrocytes from bovine auricle were used to evaluate the cellular activities cultured in the scaffolds with or without hUCS. A 4mm wide/8mm long, full thickness anterior defect was created in the tracheal rings of rats. An anterior tracheal defect was implanted with a PCL/collagen-NF scaffold (PC-NF) in the control group (n=7), and a PCL/collagen-NF coated with hUCS scaffold (PCU-NF) was implanted in the experimental group (n=7). All rats were sacrificed at 7 weeks postoperatively. The cervical trachea, including the implant site, was resected, and gross and histological examinations were performed. RESULTS The viable cells of PCU-NF scaffold were significantly higher than that of the PCL and PC-NF scaffold at 7 days; the result can be due to the exceptional biological growth factors of the hUCS. The steromicroscopic finding showed that the artificial trachea was covered by perichondrium without dislocation or granulation at 7 weeks postsurgery. When compared to the control group, the PCU-NF group showed a completely regenerated tracheal wall with luminal epilthelization. CONCLUSION As a results of this study, the PCU-NF scaffold promoted cartilage and epithelial regeneration over the artificial trachea without graft inflammation. Partial tracheal reconstruction using PCU-NF scaffold is suitable for enhancing cartilage and epithelial regeneration.
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Affiliation(s)
| | - Chul Ho Jang
- Department of Otolaryngology, Chonnam National University Medical School, Gwangju, South Korea.
| | - Yong Beom Cho
- Department of Otolaryngology, Chonnam National University Medical School, Gwangju, South Korea
| | - Minseong Kim
- Department of Bio-Mechatronics, Sungkyunkwan University (SKKU), Suwon, South Korea
| | - Geun Hyung Kim
- Department of Bio-Mechatronics, Sungkyunkwan University (SKKU), Suwon, South Korea.
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Sosio C, Di Giancamillo A, Deponti D, Gervaso F, Scalera F, Melato M, Campagnol M, Boschetti F, Nonis A, Domeneghini C, Sannino A, Peretti GM. Osteochondral repair by a novel interconnecting collagen-hydroxyapatite substitute: a large-animal study. Tissue Eng Part A 2014; 21:704-15. [PMID: 25316498 DOI: 10.1089/ten.tea.2014.0129] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
A novel three-dimensional bicomponent substitute made of collagen type I and hydroxyapatite was tested for the repair of osteochondral lesions in a swine model. This scaffold was assembled by a newly developed method that guarantees the strict integration between the organic and the inorganic parts, mimicking the biological tissue between the chondral and the osseous phase. Thirty-six osteochondral lesions were created in the trochlea of six pigs; in each pig, two lesions were treated with scaffolds seeded with autologous chondrocytes (cell+group), two lesions were treated with unseeded scaffolds (cell- group), and the two remaining lesions were left untreated (untreated group). After 3 months, the animals were sacrificed and the newly formed tissue was analyzed to evaluate the degree of maturation. The International Cartilage Repair Society (ICRS) macroscopic assessment showed significantly higher scores in the cell- and untreated groups when compared with the cell+ group. Histological evaluation showed the presence of repaired tissue, with fibroblast-like and hyaline-like areas in all groups; however, with respect to the other groups, the cell- group showed significantly higher values in the ICRS II histological scores for "cell morphology" and for the "surface/superficial assessment." While the scaffold seeded with autologous chondrocytes promoted the formation of a reparative tissue with high cellularity but low glycosaminoglycans (GAG) production, on the contrary, the reparative tissue observed with the unseeded scaffold presented lower cellularity but higher and uniform GAG distribution. Finally, in the lesions treated with scaffolds, the immunohistochemical analysis showed the presence of collagen type II in the peripheral part of the defect, indicating tissue maturation due to the migration of local cells from the surroundings. This study showed that the novel osteochondral scaffold was easy to handle for surgical implantation and was stable within the site of lesion; at the end of the experimental time, all implants were well integrated with the surrounding tissue and no signs of synovitis were observed. The quality of the reparative tissue seemed to be superior for the lesions treated with the unseeded scaffolds, indicating the promising potential of this novel biomaterial for use in a one-stage procedure for osteochondral repair.
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41
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Yousefi AM, Hoque ME, Prasad RGSV, Uth N. Current strategies in multiphasic scaffold design for osteochondral tissue engineering: A review. J Biomed Mater Res A 2014; 103:2460-81. [PMID: 25345589 DOI: 10.1002/jbm.a.35356] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 10/04/2014] [Accepted: 10/12/2014] [Indexed: 12/23/2022]
Abstract
The repair of osteochondral defects requires a tissue engineering approach that aims at mimicking the physiological properties and structure of two different tissues (cartilage and bone) using specifically designed scaffold-cell constructs. Biphasic and triphasic approaches utilize two or three different architectures, materials, or composites to produce a multilayered construct. This article gives an overview of some of the current strategies in multiphasic/gradient-based scaffold architectures and compositions for tissue engineering of osteochondral defects. In addition, the application of finite element analysis (FEA) in scaffold design and simulation of in vitro and in vivo cell growth outcomes has been briefly covered. FEA-based approaches can potentially be coupled with computer-assisted fabrication systems for controlled deposition and additive manufacturing of the simulated patterns. Finally, a summary of the existing challenges associated with the repair of osteochondral defects as well as some recommendations for future directions have been brought up in the concluding section of this article.
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Affiliation(s)
- Azizeh-Mitra Yousefi
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, Ohio, 45056
| | - Md Enamul Hoque
- Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham Malaysia Campus, Malaysia
| | - Rangabhatala G S V Prasad
- Biomedical and Pharmaceutical Technology Research Group, Nano Research for Advanced Materials, Bangalore, Karnataka, India
| | - Nicholas Uth
- Department of Chemical, Paper and Biomedical Engineering, Miami University, Oxford, Ohio, 45056
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Maniti O, Rebaud S, Sarkis J, Jia Y, Zhao J, Marcillat O, Granjon T, Blum L, Li J, Girard-Egrot A. Carrier-inside-carrier: polyelectrolyte microcapsules as reservoir for drug-loaded liposomes. J Liposome Res 2014; 25:122-30. [DOI: 10.3109/08982104.2014.950275] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Plencner M, East B, Tonar Z, Otáhal M, Prosecká E, Rampichová M, Krejčí T, Litvinec A, Buzgo M, Míčková A, Nečas A, Hoch J, Amler E. Abdominal closure reinforcement by using polypropylene mesh functionalized with poly-ε-caprolactone nanofibers and growth factors for prevention of incisional hernia formation. Int J Nanomedicine 2014; 9:3263-77. [PMID: 25031534 PMCID: PMC4096451 DOI: 10.2147/ijn.s63095] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Incisional hernia affects up to 20% of patients after abdominal surgery. Unlike other types of hernia, its prognosis is poor, and patients suffer from recurrence within 10 years of the operation. Currently used hernia-repair meshes do not guarantee success, but only extend the recurrence-free period by about 5 years. Most of them are nonresorbable, and these implants can lead to many complications that are in some cases life-threatening. Electrospun nanofibers of various polymers have been used as tissue scaffolds and have been explored extensively in the last decade, due to their low cost and good biocompatibility. Their architecture mimics the natural extracellular matrix. We tested a biodegradable polyester poly-ε-caprolactone in the form of nanofibers as a scaffold for fascia healing in an abdominal closure-reinforcement model for prevention of incisional hernia formation. Both in vitro tests and an experiment on a rabbit model showed promising results.
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Affiliation(s)
- Martin Plencner
- Institute of Biophysics, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic ; Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Barbora East
- Department of Surgery, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Zbyněk Tonar
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University in Prague, Pilsen, Czech Republic
| | - Martin Otáhal
- Department of Anatomy and Biomechanics, Faculty of Physical Education and Sport, Charles University in Prague, Prague, Czech Republic
| | - Eva Prosecká
- Institute of Biophysics, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic ; Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Michala Rampichová
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; University Center for Energy Efficient Buildings, Czech Technical University in Prague, Buštěhrad, Czech Republic
| | - Tomáš Krejčí
- Department of Surgery, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Andrej Litvinec
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; Department of Breeding and Zoohygiene of Laboratory Animals, Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Matej Buzgo
- Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; University Center for Energy Efficient Buildings, Czech Technical University in Prague, Buštěhrad, Czech Republic
| | - Andrea Míčková
- Institute of Biophysics, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic ; Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; University Center for Energy Efficient Buildings, Czech Technical University in Prague, Buštěhrad, Czech Republic
| | - Alois Nečas
- Department of Surgery and Orthopedics, Small Animal Clinic, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Science Brno, Central European Institute of Technology, Brno, Czech Republic
| | - Jiří Hoch
- Department of Surgery, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Evžen Amler
- Institute of Biophysics, Second Faculty of Medicine, Charles University in Prague, Prague, Czech Republic ; Laboratory of Tissue Engineering, Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; Faculty of Biomedical Engineering, Czech Technical University in Prague, Kladno, Czech Republic
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Seo SJ, Mahapatra C, Singh RK, Knowles JC, Kim HW. Strategies for osteochondral repair: Focus on scaffolds. J Tissue Eng 2014; 5:2041731414541850. [PMID: 25343021 PMCID: PMC4206689 DOI: 10.1177/2041731414541850] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Accepted: 06/06/2014] [Indexed: 01/27/2023] Open
Abstract
Interest in osteochondral repair has been increasing with the growing number of sports-related injuries, accident traumas, and congenital diseases and disorders. Although therapeutic interventions are entering an advanced stage, current surgical procedures are still in their infancy. Unlike other tissues, the osteochondral zone shows a high level of gradient and interfacial tissue organization between bone and cartilage, and thus has unique characteristics related to the ability to resist mechanical compression and restoration. Among the possible therapies, tissue engineering of osteochondral tissues has shown considerable promise where multiple approaches of utilizing cells, scaffolds, and signaling molecules have been pursued. This review focuses particularly on the importance of scaffold design and its role in the success of osteochondral tissue engineering. Biphasic and gradient composition with proper pore configurations are the basic design consideration for scaffolds. Surface modification is an essential technique to improve the scaffold function associated with cell regulation or delivery of signaling molecules. The use of functional scaffolds with a controllable delivery strategy of multiple signaling molecules is also considered a promising therapeutic approach. In this review, we updated the recent advances in scaffolding approaches for osteochondral tissue engineering.
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Affiliation(s)
- Seog-Jin Seo
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea ; Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Chinmaya Mahapatra
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea ; Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea ; Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, London, UK
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea ; Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea ; Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, Republic of Korea
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Prosecká E, Rampichová M, Litvinec A, Tonar Z, Králíčková M, Vojtová L, Kochová P, Plencner M, Buzgo M, Míčková A, Jančář J, Amler E. Collagen/hydroxyapatite scaffold enriched with polycaprolactone nanofibers, thrombocyte-rich solution and mesenchymal stem cells promotes regeneration in large bone defect in vivo. J Biomed Mater Res A 2014; 103:671-82. [PMID: 24838634 DOI: 10.1002/jbm.a.35216] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 04/09/2014] [Accepted: 05/01/2014] [Indexed: 12/30/2022]
Abstract
A three-dimensional scaffold of type I collagen and hydroxyapatite enriched with polycaprolactone nanofibers (Coll/HA/PCL), autologous mesenchymal stem cells (MSCs) in osteogenic media, and thrombocyte-rich solution (TRS) was an optimal implant for bone regeneration in vivo in white rabbits. Nanofibers optimized the viscoelastic properties of the Coll/HA scaffold for bone regeneration. MSCs and TRS in the composite scaffold improved bone regeneration. Three types of Coll/HA/PCL scaffold were prepared: an MSC-enriched scaffold, a TRS-enriched scaffold, and a scaffold enriched with both MSCs and TRS. These scaffolds were implanted into femoral condyle defects 6 mm in diameter and 10-mm deep. Untreated defects were used as a control. Macroscopic and histological analyses of the regenerated tissue from all groups were performed 12 weeks after implantation. The highest volume and most uniform distribution of newly formed bone occurred in defects treated with scaffolds enriched with both MSCs and TRS compared with that in defects treated with scaffolds enriched by either component alone. The modulus of elasticity in compressive testing was significantly higher in the Coll/HA/PCL scaffold than those without nanofibers. The composite Coll scaffold functionalized with PCL nanofibers and enriched with MSCs and TRS appears to be a novel treatment for bone defects.
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Affiliation(s)
- E Prosecká
- Institute of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, V Uvalu 84, 150 06, Prague, Czech Republic; Department of Tissue Engineering, Institute of Experimental Medicine ASCR v.v.i., Vídeňská 1083, 14240, Prague, Czech Republic; Student Science s.r.o., Horní Podluží 237, Horní Podluží, 407 57, Czech Republic
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Amler E, Filová E, Buzgo M, Prosecká E, Rampichová M, Nečas A, Nooeaid P, Boccaccini AR. Functionalized nanofibers as drug-delivery systems for osteochondral regeneration. Nanomedicine (Lond) 2014; 9:1083-94. [DOI: 10.2217/nnm.14.57] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
A wide range of drug-delivery systems are currently attracting the attention of researchers. Nanofibers are very interesting carriers for drug delivery. This is because nanofibers are versatile, flexible, nanobiomimetic and similar to extracellular matrix components, possible to be functionalized both on their surface as well as in their core, and also because they can be produced easily and cost effectively. There have been increasing attempts to use nanofibers in the construction of a range of tissues, including cartilage and bone. Nanofibers have also been favorably engaged as a drug-delivery system in cell-free scaffolds. This short overview is devoted to current applications and to further perspectives of nanofibers as drug-delivery devices in the field of cartilage and bone regeneration, and also in osteochondral reconstruction.
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Affiliation(s)
- Evžen Amler
- Department of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, V Úvalu 84, 150 06 Prague, Czech Republic
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20 Prague, Czech Republic
- Nanoprogres, z.s.p.o., Nová 306, 53009, Pardubice, Czech Republic
| | - Eva Filová
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20 Prague, Czech Republic
- Institute of Biomedical Engineering, Czech Technical University in Prague, Nám. Sítná 3105, 272 01 Kladno, Czech Republic
| | - Matej Buzgo
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20 Prague, Czech Republic
- University Centre for Energy Efficient Buildings, Třinecká 1024, 273 43 Buštěhrad, Czech Republic
| | - Eva Prosecká
- Department of Biophysics, 2nd Faculty of Medicine, Charles University in Prague, V Úvalu 84, 150 06 Prague, Czech Republic
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Michala Rampichová
- Institute of Experimental Medicine, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20 Prague, Czech Republic
- University Centre for Energy Efficient Buildings, Třinecká 1024, 273 43 Buštěhrad, Czech Republic
| | - Alois Nečas
- University of Veterinary & Pharmaceutical Sciences Brno, CEITEC – Central European Institute of Technology, Brno, Czech Republic
| | - Patcharakamon Nooeaid
- Institute of Biomaterials, Department of Materials Science & Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science & Engineering, University of Erlangen-Nuremberg, Cauerstrasse 6, Erlangen 91058, Germany
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Castro NJ, O'Brien CM, Zhang LG. Biomimetic biphasic 3-D nanocomposite scaffold for osteochondral regeneration. AIChE J 2013. [DOI: 10.1002/aic.14296] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nathan J. Castro
- Dept. of Mechanical and Aerospace Engineering; The George Washington University; Washington DC 20052
| | - Christopher M. O'Brien
- Dept. of Mechanical and Aerospace Engineering; The George Washington University; Washington DC 20052
| | - Lijie Grace Zhang
- Dept. of Mechanical and Aerospace Engineering, Dept. of Medicine; The George Washington University; Washington DC 20052
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Trachtenberg JE, Mountziaris PM, Kasper FK, Mikos AG. Fiber-Based Composite Tissue Engineering Scaffolds for Drug Delivery. Isr J Chem 2013. [DOI: 10.1002/ijch.201300051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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