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Sanz-Horta R, Matesanz A, Gallardo A, Reinecke H, Jorcano JL, Acedo P, Velasco D, Elvira C. Technological advances in fibrin for tissue engineering. J Tissue Eng 2023; 14:20417314231190288. [PMID: 37588339 PMCID: PMC10426312 DOI: 10.1177/20417314231190288] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/11/2023] [Indexed: 08/18/2023] Open
Abstract
Fibrin is a promising natural polymer that is widely used for diverse applications, such as hemostatic glue, carrier for drug and cell delivery, and matrix for tissue engineering. Despite the significant advances in the use of fibrin for bioengineering and biomedical applications, some of its characteristics must be improved for suitability for general use. For example, fibrin hydrogels tend to shrink and degrade quickly after polymerization, particularly when they contain embedded cells. In addition, their poor mechanical properties and batch-to-batch variability affect their handling, long-term stability, standardization, and reliability. One of the most widely used approaches to improve their properties has been modification of the structure and composition of fibrin hydrogels. In this review, recent advances in composite fibrin scaffolds, chemically modified fibrin hydrogels, interpenetrated polymer network (IPN) hydrogels composed of fibrin and other synthetic or natural polymers are critically reviewed, focusing on their use for tissue engineering.
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Affiliation(s)
- Raúl Sanz-Horta
- Department of Applied Macromolecular Chemistry, Institute of Polymer Science and Technology, Spanish National Research Council (ICTP-CSIC), Madrid, Spain
| | - Ana Matesanz
- Department of Bioengineering, Universidad Carlos III de Madrid (UC3M), Madrid, Spain
- Department of Electronic Technology, Universidad Carlos III de Madrid (UC3M), Madrid, Spain
| | - Alberto Gallardo
- Department of Applied Macromolecular Chemistry, Institute of Polymer Science and Technology, Spanish National Research Council (ICTP-CSIC), Madrid, Spain
| | - Helmut Reinecke
- Department of Applied Macromolecular Chemistry, Institute of Polymer Science and Technology, Spanish National Research Council (ICTP-CSIC), Madrid, Spain
| | - José Luis Jorcano
- Department of Bioengineering, Universidad Carlos III de Madrid (UC3M), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - Pablo Acedo
- Department of Electronic Technology, Universidad Carlos III de Madrid (UC3M), Madrid, Spain
| | - Diego Velasco
- Department of Bioengineering, Universidad Carlos III de Madrid (UC3M), Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
- Fundación Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Carlos Elvira
- Department of Applied Macromolecular Chemistry, Institute of Polymer Science and Technology, Spanish National Research Council (ICTP-CSIC), Madrid, Spain
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Guo T, He C, Venado A, Zhou Y. Extracellular Matrix Stiffness in Lung Health and Disease. Compr Physiol 2022; 12:3523-3558. [PMID: 35766837 PMCID: PMC10088466 DOI: 10.1002/cphy.c210032] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The extracellular matrix (ECM) provides structural support and imparts a wide variety of environmental cues to cells. In the past decade, a growing body of work revealed that the mechanical properties of the ECM, commonly known as matrix stiffness, regulate the fundamental cellular processes of the lung. There is growing appreciation that mechanical interplays between cells and associated ECM are essential to maintain lung homeostasis. Dysregulation of ECM-derived mechanical signaling via altered mechanosensing and mechanotransduction pathways is associated with many common lung diseases. Matrix stiffening is a hallmark of lung fibrosis. The stiffened ECM is not merely a sequelae of lung fibrosis but can actively drive the progression of fibrotic lung disease. In this article, we provide a comprehensive view on the role of matrix stiffness in lung health and disease. We begin by summarizing the effects of matrix stiffness on the function and behavior of various lung cell types and on regulation of biomolecule activity and key physiological processes, including host immune response and cellular metabolism. We discuss the potential mechanisms by which cells probe matrix stiffness and convert mechanical signals to regulate gene expression. We highlight the factors that govern matrix stiffness and outline the role of matrix stiffness in lung development and the pathogenesis of pulmonary fibrosis, pulmonary hypertension, asthma, chronic obstructive pulmonary disease (COPD), and lung cancer. We envision targeting of deleterious matrix mechanical cues for treatment of fibrotic lung disease. Advances in technologies for matrix stiffness measurements and design of stiffness-tunable matrix substrates are also explored. © 2022 American Physiological Society. Compr Physiol 12:3523-3558, 2022.
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Affiliation(s)
- Ting Guo
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Alabama, USA.,Department of Respiratory Medicine, the Second Xiangya Hospital, Central-South University, Changsha, Hunan, China
| | - Chao He
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Alabama, USA
| | - Aida Venado
- Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of California San Francisco, San Francisco, California, USA
| | - Yong Zhou
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Alabama, USA
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Zhang Y, Liu L, Li N, Wang Y, Yue X. 3D scaffold fabricated with composite material for cell culture and its derived platform for safety evaluation of drugs. Toxicology 2021; 466:153066. [PMID: 34919984 DOI: 10.1016/j.tox.2021.153066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/01/2021] [Accepted: 12/09/2021] [Indexed: 12/27/2022]
Abstract
In order to overcome the weakness of conventional approaches for cell culture, and provide cells with more in vivo-like microenvironment for studying hepatotoxicity of drugs, "multiple-in-one" strategy was adopted to fabricate a 3D scaffold of silk fibroin/hydroxyapatite/poly lacticco-glycolic acid (SF/HA/PLGA), where HepG2 cells were cultivated and the toxicity of drugs to the cells was investigated. The prepared 3D scaffold proves to bear proper porosity, excellent mechanical property, steady pH environment and good biocompatibility for cell culture. Furthermore, the validity of the developed 3D-SF/HA/PLGA-scaffold based platform was verified by probing the toxicity of a known drug-induced liver injury (DILI) concern acetaminophen (APAP) to HepG2 cells. Eventually, an application of the platform to dioscin (a medicinal plant extract) reveals the hepatotoxicity of dioscin, which involves the inhibition of the expression of CYP3A4 mRNA in the cells. The developed 3D-SF/HA/PLGA-scaffold platform may become a universal avenue for safety evaluation of drugs.
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Affiliation(s)
- Yanni Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710062, China.
| | - Le Liu
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710062, China
| | - Na Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710062, China
| | - Yihua Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest China, The Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry, The Ministry of Education, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi, 710062, China
| | - Xuanfeng Yue
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering of Shaanxi Normal University, Xi'an, Shaanxi, 710062, China.
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4
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Yu Z, Li H, Xia P, Kong W, Chang Y, Fu C, Wang K, Yang X, Qi Z. Application of fibrin-based hydrogels for nerve protection and regeneration after spinal cord injury. J Biol Eng 2020; 14:22. [PMID: 32774454 PMCID: PMC7397605 DOI: 10.1186/s13036-020-00244-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/27/2020] [Indexed: 12/13/2022] Open
Abstract
Traffic accidents, falls, and many other events may cause traumatic spinal cord injuries (SCIs), resulting in nerve cells and extracellular matrix loss in the spinal cord, along with blood loss, inflammation, oxidative stress (OS), and others. The continuous development of neural tissue engineering has attracted increasing attention on the application of fibrin hydrogels in repairing SCIs. Except for excellent biocompatibility, flexibility, and plasticity, fibrin, a component of extracellular matrix (ECM), can be equipped with cells, ECM protein, and various growth factors to promote damage repair. This review will focus on the advantages and disadvantages of fibrin hydrogels from different sources, as well as the various modifications for internal topographical guidance during the polymerization. From the perspective of further improvement of cell function before and after the delivery of stem cell, cytokine, and drug, this review will also evaluate the application of fibrin hydrogels as a carrier to the therapy of nerve repair and regeneration, to mirror the recent development tendency and challenge.
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Affiliation(s)
- Ziyuan Yu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Hongru Li
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Peng Xia
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Weijian Kong
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Yuxin Chang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Chuan Fu
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Kai Wang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Xiaoyu Yang
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
| | - Zhiping Qi
- Department of Orthopedic Surgery, The Second Hospital of Jilin University, Ziqiang Street No. 218, Changchun, TX 130041 PR China
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Yang L, Li X, Wang D, Mu S, Lv W, Hao Y, Lu X, Zhang G, Nan W, Chen H, Xie L, Zhang Y, Dong Y, Zhang Q, Zhao L. Improved mechanical properties by modifying fibrin scaffold with PCL and its biocompatibility evaluation. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 31:658-678. [PMID: 31903857 DOI: 10.1080/09205063.2019.1710370] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Lei Yang
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
- First Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Xiafei Li
- College of Medical Engineering, Xinxiang Medical University, Xinxiang, China
| | - Dongmei Wang
- The Third Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Songfeng Mu
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
- First Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Wenhao Lv
- First Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Yongwei Hao
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Xiaosheng Lu
- Department of Orthopaedics, People’s Hospital of Baise, Baise, China
| | | | - Wenbin Nan
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Hongli Chen
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Liqin Xie
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Yongjun Zhang
- First Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Yuzhen Dong
- First Affiliated Hospital, Xinxiang Medical University, Xinxiang, China
| | - Qiqing Zhang
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
| | - Liang Zhao
- College of Life Science and Technology, Xinxiang Medical University, Xinxiang, China
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6
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Shpichka A, Butnaru D, Bezrukov EA, Sukhanov RB, Atala A, Burdukovskii V, Zhang Y, Timashev P. Skin tissue regeneration for burn injury. Stem Cell Res Ther 2019; 10:94. [PMID: 30876456 PMCID: PMC6419807 DOI: 10.1186/s13287-019-1203-3] [Citation(s) in RCA: 187] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The skin is the largest organ of the body, which meets the environment most directly. Thus, the skin is vulnerable to various damages, particularly burn injury. Skin wound healing is a serious interaction between cell types, cytokines, mediators, the neurovascular system, and matrix remodeling. Tissue regeneration technology remarkably enhances skin repair via re-epidermalization, epidermal-stromal cell interactions, angiogenesis, and inhabitation of hypertrophic scars and keloids. The success rates of skin healing for burn injuries have significantly increased with the use of various skin substitutes. In this review, we discuss skin replacement with cells, growth factors, scaffolds, or cell-seeded scaffolds for skin tissue reconstruction and also compare the high efficacy and cost-effectiveness of each therapy. We describe the essentials, achievements, and challenges of cell-based therapy in reducing scar formation and improving burn injury treatment.
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Affiliation(s)
- Anastasia Shpichka
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
| | - Denis Butnaru
- Sechenov Biomedical Science and Technology Park, Sechenov University, Moscow, Russia
| | | | | | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA
| | - Vitaliy Burdukovskii
- Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, Ulan-Ude, Russia
| | - Yuanyuan Zhang
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
- Research Center “Crystallography and Photonics” RAS, Institute of Photonic Technologies, Troitsk, Moscow, Russia
- Departments of Polymers and Composites, N.N. Semenov Institute of Chemical Physics, Moscow, Russia
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7
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Song YN, Ru JF, Xu JZ, Lei J, Xu L, Li ZM. Flow-Induced Precursor Formation of Poly(l-lactic acid) under Pressure. ACS OMEGA 2018; 3:15471-15481. [PMID: 31458203 PMCID: PMC6644044 DOI: 10.1021/acsomega.8b02425] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 11/01/2018] [Indexed: 06/10/2023]
Abstract
For the first time, the influences of two inevitable processing fields (pressure and flow fields) on the crystallization of a semirigid molecular chain polymer, that is, poly(l-lactic acid) (PLLA), were explored using a homemade pressuring and shearing device. The results reveal that the shear rate facilitated the generation of precursor because it induced oriented segment formation. It was found that the most sensitive shear temperature for the generation of PLLA precursor under 100 MPa was 180 °C. When the shear temperature was higher (e.g., 190 °C), the relaxation of shear-induced oriented segments was too quick to induce the generation of PLLA precursor. Oppositely, at a lower shear temperature (170 °C), the oriented segments were hard to relax within the whole shear rate range (3.1-31.4 s-1). Annealing treatment was infaust to the PLLA precursor formation because it promoted the relaxation of oriented segments. Different from the shear and annealing, pressure played a more complicated role in the formation of PLLA precursor. Pressure decreased the free volume between PLLA molecular chains and meantime increased the supercooling of PLLA melt. In addition, PLLA chains tended to form locally oriented segment bundles to adapt to the pressurized state, which facilitated the formation of PLLA precursor and the following crystallization process. These two factors lowered the movability of PLLA chains and suppressed the relaxation of chain, so shear-induced orientation facilitated PLLA precursor formation under pressure. In that case, pressure and shear flow showed a synergetic promoting effect on the generation of PLLA precursor and the following crystallization process. These meaningful results could be helpful for comprehending the relationship between crystallization conditions and the crystallization behavior of PLLA and thus would provide guidance to fabricating the final products through controlling the crystallization process of PLLA.
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8
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Zurina IM, Shpichka AI, Saburina IN, Kosheleva NV, Gorkun AA, Grebenik EA, Kuznetsova DS, Zhang D, Rochev YA, Butnaru DV, Zharikova TM, Istranova EV, Zhang Y, Istranov LP, Timashev PS. 2D/3D buccal epithelial cell self-assembling as a tool for cell phenotype maintenance and fabrication of multilayered epithelial linings in vitro. ACTA ACUST UNITED AC 2018; 13:054104. [PMID: 29926804 DOI: 10.1088/1748-605x/aace1c] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Maintaining the epithelial status of cells in vitro and fabrication of a multilayered epithelial lining is one of the key problems in the therapy using cell technologies. When cultured in a monolayer, epithelial cells change their phenotype from epithelial to epithelial-mesenchymal or mesenchymal that makes it difficult to obtain a sufficient number of cells in a 2D culture and to use them in tissue engineering. Here, using buccal epithelial cells from the oral mucosa, we developed a novel approach to recover and maintain the stable cell phenotype and form a multilayered epithelial lining in vitro via the 2D/3D cell self-assembling. Transitioning the cells from the monolayer to non-adhesive 3D culture conditions led to formation of self-assembling spheroids, with restoration of their epithelial characteristics after epithelial-mesenchymal transition. In 7 days, the cells within spheroids restored the apical-basal polarity, and the formation of both tight (ZO1) and adherent (E-cadherin) intercellular junctions was shown. Thus, culturing buccal epithelial cells in a 3D system allowed us to recover and durably maintain the morphological and functional characteristics of epithelial cells. The multilayered epithelial lining formation was achieved after placing spheroids for 7 days onto a hybrid matrix, which consisted of collagen layers and reinforcing poly (lactide-co-glycolide) fibers and was proven promising for replacement of the urothelium. Thus, we offer an effective technique of forming multilayered epithelial linings on carrier-matrices using cell spheroids that was not previously described elsewhere and can find a wide range of applications in tissue engineering, replacement surgery, and regenerative medicine.
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Affiliation(s)
- I M Zurina
- FSBSI 'Institute of General Pathology and Pathophysiology', Moscow, Russia. Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, Moscow, Russia
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9
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Ru JF, Yang SG, Lei J, Li ZM. Thicker Lamellae and Higher Crystallinity of Poly(lactic acid) via Applying Shear Flow and Pressure and Adding Poly(ethylene Glycol). J Phys Chem B 2017; 121:5842-5852. [DOI: 10.1021/acs.jpcb.7b02241] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jia-Feng Ru
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Shu-Gui Yang
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Jun Lei
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhong-Ming Li
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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10
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Greiner AM, Sales A, Chen H, Biela SA, Kaufmann D, Kemkemer R. Nano- and microstructured materials for in vitro studies of the physiology of vascular cells. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2016; 7:1620-1641. [PMID: 28144512 PMCID: PMC5238670 DOI: 10.3762/bjnano.7.155] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Accepted: 10/04/2016] [Indexed: 05/21/2023]
Abstract
The extracellular environment of vascular cells in vivo is complex in its chemical composition, physical properties, and architecture. Consequently, it has been a great challenge to study vascular cell responses in vitro, either to understand their interaction with their native environment or to investigate their interaction with artificial structures such as implant surfaces. New procedures and techniques from materials science to fabricate bio-scaffolds and surfaces have enabled novel studies of vascular cell responses under well-defined, controllable culture conditions. These advancements are paving the way for a deeper understanding of vascular cell biology and materials-cell interaction. Here, we review previous work focusing on the interaction of vascular smooth muscle cells (SMCs) and endothelial cells (ECs) with materials having micro- and nanostructured surfaces. We summarize fabrication techniques for surface topographies, materials, geometries, biochemical functionalization, and mechanical properties of such materials. Furthermore, various studies on vascular cell behavior and their biological responses to micro- and nanostructured surfaces are reviewed. Emphasis is given to studies of cell morphology and motility, cell proliferation, the cytoskeleton and cell-matrix adhesions, and signal transduction pathways of vascular cells. We finalize with a short outlook on potential interesting future studies.
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Affiliation(s)
- Alexandra M Greiner
- Karlsruhe Institute of Technology (KIT), Institute of Zoology, Department of Cell and Neurobiology, Haid-und-Neu-Strasse 9, 76131 Karlsruhe, Germany
- now at: Pforzheim University, School of Engineering, Tiefenbronner Strasse 65, 75175 Pforzheim, Germany
| | - Adria Sales
- Max Planck Institute for Intelligent Systems, Department of New Materials and Biosystems, Heisenbergstrasse 3, 70569 Stuttgart, Germany
| | - Hao Chen
- Karlsruhe Institute of Technology (KIT), Institute of Zoology, Department of Cell and Neurobiology, Haid-und-Neu-Strasse 9, 76131 Karlsruhe, Germany
| | - Sarah A Biela
- Max Planck Institute for Intelligent Systems, Department of New Materials and Biosystems, Heisenbergstrasse 3, 70569 Stuttgart, Germany
| | - Dieter Kaufmann
- Universitätsklinikum Ulm, Institut für Humangenetik, Albert Einstein Allee 11, 89070 Ulm, Germany
| | - Ralf Kemkemer
- Max Planck Institute for Intelligent Systems, Department of New Materials and Biosystems, Heisenbergstrasse 3, 70569 Stuttgart, Germany
- Reutlingen University, Faculty of Applied Chemistry, Alteburgstrasse 150, 72762 Reutlingen, Germany
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11
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Cao Y, Lee BH, Peled HB, Venkatraman SS. Synthesis of stiffness-tunable and cell-responsive Gelatin-poly(ethylene glycol) hydrogel for three-dimensional cell encapsulation. J Biomed Mater Res A 2016; 104:2401-11. [DOI: 10.1002/jbm.a.35779] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 04/29/2016] [Accepted: 05/09/2016] [Indexed: 01/05/2023]
Affiliation(s)
- Ye Cao
- School of Materials Science and Engineering; Nanyang Technological University; Singapore Singapore
- The Inter-Departmental Program for Biotechnology; Department of Biotechnology and Food Engineering, Technion-Israel Institute of Technology; Haifa Israel
| | - Bae Hoon Lee
- School of Materials Science and Engineering; Nanyang Technological University; Singapore Singapore
| | - Havazelet Bianco Peled
- Department of Chemical Engineering; Technion- Israel Institute of Technology; Haifa Israel
| | - Subbu S. Venkatraman
- School of Materials Science and Engineering; Nanyang Technological University; Singapore Singapore
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12
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Kuppan P, Sethuraman S, Krishnan UM. Interaction of human smooth muscle cells on random and aligned nanofibrous scaffolds of PHBV and PHBV-gelatin. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1163562] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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13
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Ru JF, Yang SG, Zhou D, Yin HM, Lei J, Li ZM. Dominant β-Form of Poly(l-lactic acid) Obtained Directly from Melt under Shear and Pressure Fields. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00595] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jia-Feng Ru
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Shu-Gui Yang
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Dong Zhou
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Hua-Mo Yin
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Jun Lei
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zhong-Ming Li
- College of Polymer Science
and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
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14
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Brougham CM, Levingstone TJ, Jockenhoevel S, Flanagan TC, O'Brien FJ. Incorporation of fibrin into a collagen-glycosaminoglycan matrix results in a scaffold with improved mechanical properties and enhanced capacity to resist cell-mediated contraction. Acta Biomater 2015; 26:205-14. [PMID: 26297884 DOI: 10.1016/j.actbio.2015.08.022] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 08/11/2015] [Accepted: 08/18/2015] [Indexed: 12/21/2022]
Abstract
Fibrin has many uses as a tissue engineering scaffold, however many in vivo studies have shown a reduction in function resulting from the susceptibility of fibrin to cell-mediated contraction. The overall aim of the present study was to develop and characterise a reinforced natural scaffold using fibrin, collagen and glycosaminoglycan (FCG), and to examine the cell-mediated contraction of this scaffold in comparison to fibrin gels. Through the use of an injection loading technique, a homogenous FCG scaffold was developed. Mechanical testing showed a sixfold increase in compressive modulus and a thirtyfold increase in tensile modulus of fibrin when reinforced with a collagen-glycosaminoglycan backbone structure. Human vascular smooth muscle cells (vSMCs) were successfully incorporated into the FCG scaffold and demonstrated excellent viability over 7 days, while proliferation of these cells also increased significantly. VSMCs were seeded into both FCG and fibrin-only gels at the same seeding density for 7 days and while FCG scaffolds did not demonstrate a reduction in size, fibrin-only gels contracted to 10% of their original diameter. The FCG scaffold, which is composed of natural biomaterials, shows potential for use in applications where dimensional stability is crucial to the functionality of the tissue. STATEMENT OF SIGNIFICANCE Fibrin is a versatile scaffold for tissue engineering applications, but its weak mechanical properties leave it susceptible to cell-mediated contraction, meaning the dimensions of the fibrin construct will change over time. We have reinforced fibrin with a collagen glycosaminoglycan matrix and characterised the mechanical properties and bioactivity of the reinforced fibrin (FCG). This is the first scaffold manufactured from all naturally derived materials that resists cell-mediated contraction. In fact, over 7 days, the FCG scaffold fully resisted cell-mediated contraction of vascular smooth muscle cells. This FCG scaffold has many potential applications where natural scaffold materials can encourage regeneration.
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Affiliation(s)
- Claire M Brougham
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland; School of Mechanical and Design Engineering, Dublin Institute of Technology, Bolton St, Dublin 1, Ireland; Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Ireland
| | - Tanya J Levingstone
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland; Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Ireland; Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland
| | - Stefan Jockenhoevel
- AME-Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, Pauwelsstr. 20, 52074 Aachen, Germany
| | - Thomas C Flanagan
- School of Medicine & Medical Science, University College Dublin, Dublin 4, Ireland
| | - Fergal J O'Brien
- Tissue Engineering Research Group, Dept. of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland; Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Ireland; Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland.
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15
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Ribeiro VP, Almeida LR, Martins AR, Pashkuleva I, Marques AP, Ribeiro AS, Silva CJ, Bonifácio G, Sousa RA, Reis RL, Oliveira AL. Influence of different surface modification treatments on silk biotextiles for tissue engineering applications. J Biomed Mater Res B Appl Biomater 2015; 104:496-507. [PMID: 25939722 DOI: 10.1002/jbm.b.33400] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 01/15/2015] [Accepted: 02/19/2015] [Indexed: 12/13/2022]
Abstract
Biotextile structures from silk fibroin have demonstrated to be particularly interesting for tissue engineering (TE) applications due to their high mechanical strength, interconnectivity, porosity, and ability to degrade under physiological conditions. In this work, we described several surface treatments of knitted silk fibroin (SF) scaffolds, namely sodium hydroxide (NaOH) solution, ultraviolet radiation exposure in an ozone atmosphere (UV/O3) and oxygen (O2) plasma treatment followed by acrylic acid (AAc), vinyl phosphonic acid (VPA), and vinyl sulfonic acid (VSA) immersion. The effect of these treatments on the mechanical properties of the textile constructs was evaluated by tensile tests in dry and hydrated states. Surface properties such as morphology, topography, wettability and elemental composition were also affected by the applied treatments. The in vitro biological behavior of L929 fibroblasts revealed that cells were able to adhere and spread both on the untreated and surface-modified textile constructs. The applied treatments had different effects on the scaffolds' surface properties, confirming that these modifications can be considered as useful techniques to modulate the surface of biomaterials according to the targeted application.
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Affiliation(s)
- Viviana P Ribeiro
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Lília R Almeida
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Ana R Martins
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Iva Pashkuleva
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Alexandra P Marques
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Ana S Ribeiro
- CeNTI, Centre for Nanotechnology and Smart Materials, V.N. Famalicão, Portugal
| | - Carla J Silva
- CeNTI, Centre for Nanotechnology and Smart Materials, V.N. Famalicão, Portugal
| | - Graça Bonifácio
- CITEVE, Technological Centre for Textile and Clothing Industry, V.N. Famalicão, Portugal
| | - Rui A Sousa
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal
| | - Ana L Oliveira
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, Universidade do Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909, Caldas das Taipas, Portugal.,ICVS/3B's-PT Government Associated Laboratory, Braga, Guimarães, Portugal.,CBQF-Center for Biotechnology and Fine Chemistry, School of Biotechnology, Portuguese Catholic University, Porto, 4200-401, Portugal
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16
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Ellä V, Annala T, Länsman S, Nurminen M, Kellomäki M. Knitted polylactide 96/4 L/D structures and scaffolds for tissue engineering: shelf life, in vitro and in vivo studies. BIOMATTER 2014; 1:102-13. [PMID: 23507732 PMCID: PMC3548249 DOI: 10.4161/biom.1.1.17447] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This study covers the whole production cycle, from biodegradable polymer processing to an in vivo tissue engineered construct. Six different biodegradable polylactide 96/4 L/D single jersey knits were manufactured using either four or eight multifilament fiber batches. The properties of those were studied in vitro for 42 weeks and in 0- to 3-year shelf life studies. Three types (Ø 12, 15 and 19 mm) of cylindrical scaffolds were manufactured from the knit, and the properties of those were studied in vitro for 48 weeks. For the Ø 15 mm scaffold type, mechanical properties were also studied in a one-year in vivo experiment. The scaffolds were implanted in the rat subcutis. All the scaffolds were γ-irradiated prior to the studies. In vitro, all the knits lost 99% of their mechanical strength in 30 weeks. In the three-year follow up of shelf life properties, there was no decrease in the mechanical properties due to the storage time and only a 12% decrease in molecular weight. The in vitro and in vivo scaffolds lost their mechanical properties after 1 week. In the case of the in vivo samples, the mechanical properties were restored again, stepwise, by the presence of growing/maturing tissue between weeks 3 and 12. Faster degradation was observed with in vitro scaffolds compared to in vivo scaffolds during the one-year follow up.
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Affiliation(s)
- Ville Ellä
- Department of Biomedical Engineering, Tampere University of Technology, Tampere, Finland.
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17
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Almeida LR, Martins AR, Fernandes EM, Oliveira MB, Mano JF, Correlo VM, Pashkuleva I, Marques AP, Ribeiro AS, Durães NF, Silva CJ, Bonifácio G, Sousa RA, Oliveira AL, Reis RL. New biotextiles for tissue engineering: development, characterization and in vitro cellular viability. Acta Biomater 2013; 9:8167-81. [PMID: 23727248 DOI: 10.1016/j.actbio.2013.05.019] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 05/20/2013] [Accepted: 05/22/2013] [Indexed: 01/29/2023]
Abstract
This work proposes biodegradable textile-based structures for tissue engineering applications. We describe the use of two polymers, polybutylene succinate (PBS) proposed as a viable multifilamentand silk fibroin (SF), to produce fibre-based finely tuned porous architectures by weft knitting. PBS is here proposed as a viable extruded multifilament fibre to be processed by a textile-based technology. A comparative study was undertaken using a SF fibre with a similar linear density. The knitted constructs obtained are described in terms of their morphology, mechanical properties, swelling capability, degradation behaviour and cytotoxicity. The weft knitting technology used offers superior control over the scaffold design (e.g. size, shape, porosity and fibre alignment), manufacturing and reproducibility. The presented fibres allow the processing of a very reproducible intra-architectural scaffold geometry which is fully interconnected, thus providing a high surface area for cell attachment and tissue in-growth. The two types of polymer fibre allow the generation of constructs with distinct characteristics in terms of the surface physico-chemistry, mechanical performance and degradation capability, which has an impact on the resulting cell behaviour at the surface of the respective biotextiles. Preliminary cytotoxicity screening showed that both materials can support cell adhesion and proliferation. These results constitute a first validation of the two biotextiles as viable matrices for tissue engineering prior to the development of more complex systems. Given the processing efficacy and versatility of the knitting technology and the interesting structural and surface properties of the proposed polymer fibres it is foreseen that the developed systems could be attractive for the functional engineering of tissues such as skin, ligament, bone or cartilage.
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Affiliation(s)
- Lília R Almeida
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, 4806-909 Caldas das Taipas, Portugal
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18
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Lee F, Kurisawa M. Formation and stability of interpenetrating polymer network hydrogels consisting of fibrin and hyaluronic acid for tissue engineering. Acta Biomater 2013; 9:5143-52. [PMID: 22943886 DOI: 10.1016/j.actbio.2012.08.036] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Revised: 07/31/2012] [Accepted: 08/26/2012] [Indexed: 02/08/2023]
Abstract
Fibrin gel is widely used as a tissue engineering scaffold. However, it has poor mechanical properties, which often result in rapid contraction and degradation of the scaffold. An interpenetrating polymer network (IPN) hydrogel composed of fibrin and hyaluronic acid-tyramine (HA-Tyr) was developed to improve the mechanical properties. The fibrin network was formed by cleaving fibrinogen with thrombin, producing fibrin monomers that rapidly polymerize. The HA network was formed through the coupling of tyramine moieties using horseradish peroxidase (HRP) and hydrogen peroxide (H₂O₂). The degree of crosslinking of the HA-Tyr network can be tuned by varying the H₂O₂ concentration, producing IPN hydrogels with different storage moduli (G'). While fibrin gels were completely degraded in the presence of plasmin and contracted when embedded with cells, the shape of the IPN hydrogels was maintained due to structural support by the HA-Tyr networks. Cell proliferation and capillary formation occurred in IPN hydrogels and were found to decrease with increasing G' of the hydrogels. The results suggest that fibrin-HA-Tyr IPN hydrogels are a potential alternative to fibrin gels as scaffolds for tissue engineering applications that require shape stability.
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Affiliation(s)
- Fan Lee
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos #04-01, Singapore 138669, Singapore
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19
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Using the Taguchi method to obtain more finesse to the biodegradable fibers. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2012; 868:143-54. [PMID: 22692610 DOI: 10.1007/978-1-61779-764-4_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The Taguchi method together with Minitab software was used to optimize the melt spun PLLA multifilament fiber finesse. The aim was to minimize the number of spinning experiments to find optimal processing conditions and to maximize the quality of the fibers (thickness, strength, and smoothness). The optimization was performed in two parts. At first, the melt spinning process was optimized considering the drawing that followed and at second step the drawing was optimized. Fine (15 μm) fibers with feasible strength properties (730 MPa) for further processing were produced with the aid of Minitab software.
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20
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Fu Y, Xu K, Zheng X, Giacomin AJ, Mix AW, Kao WJ. 3D cell entrapment in crosslinked thiolated gelatin-poly(ethylene glycol) diacrylate hydrogels. Biomaterials 2012; 33:48-58. [PMID: 21955690 PMCID: PMC3282186 DOI: 10.1016/j.biomaterials.2011.09.031] [Citation(s) in RCA: 145] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Accepted: 09/13/2011] [Indexed: 12/24/2022]
Abstract
The combined use of natural ECM components and synthetic materials offers an attractive alternative to fabricate hydrogel-based tissue engineering scaffolds to study cell-matrix interactions in three-dimensions (3D). A facile method was developed to modify gelatin with cysteine via a bifunctional PEG linker, thus introducing free thiol groups to gelatin chains. A covalently crosslinked gelatin hydrogel was fabricated using thiolated gelatin and poly(ethylene glycol) diacrylate (PEGdA) via thiol-ene reaction. Unmodified gelatin was physically incorporated in a PEGdA-only matrix for comparison. We sought to understand the effect of crosslinking modality on hydrogel physicochemical properties and the impact on 3D cell entrapment. Compared to physically incorporated gelatin hydrogels, covalently crosslinked gelatin hydrogels displayed higher maximum weight swelling ratio (Q(max)), higher water content, significantly lower cumulative gelatin dissolution up to 7 days, and lower gel stiffness. Furthermore, fibroblasts encapsulated within covalently crosslinked gelatin hydrogels showed extensive cytoplasmic spreading and the formation of cellular networks over 28 days. In contrast, fibroblasts encapsulated in the physically incorporated gelatin hydrogels remained spheroidal. Hence, crosslinking ECM protein with synthetic matrix creates a stable scaffold with tunable mechanical properties and with long-term cell anchorage points, thus supporting cell attachment and growth in the 3D environment.
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Affiliation(s)
- Yao Fu
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave., Madison, WI 53705, USA
| | - Kedi Xu
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave., Madison, WI 53705, USA
- Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - Xiaoxiang Zheng
- Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, P.R. China
| | - A. Jeffrey Giacomin
- Rheology Research Center, Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Adam W. Mix
- Rheology Research Center, Department of Mechanical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Weiyuan John Kao
- School of Pharmacy, University of Wisconsin-Madison, 777 Highland Ave., Madison, WI 53705, USA
- Department of Biomedical Engineering, College of Engineering, University of Wisconsin-Madison, Madison, WI 53705, USA
- Department of Surgery, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705, USA
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21
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Power KA, Fitzgerald KT, Gallagher WM. Examination of cell–host–biomaterial interactions via high-throughput technologies: A re-appraisal. Biomaterials 2010; 31:6667-74. [DOI: 10.1016/j.biomaterials.2010.05.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2010] [Accepted: 05/17/2010] [Indexed: 01/08/2023]
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22
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Hanagata N, Takemura T, Minowa T. Global gene expression analysis for evaluation and design of biomaterials. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2010; 11:013001. [PMID: 27877315 PMCID: PMC5090542 DOI: 10.1088/1468-6996/11/1/013001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2009] [Revised: 02/22/2010] [Accepted: 01/23/2010] [Indexed: 06/06/2023]
Abstract
Comprehensive gene expression analysis using DNA microarrays has become a widespread technique in molecular biological research. In the biomaterials field, it is used to evaluate the biocompatibility or cellular toxicity of metals, polymers and ceramics. Studies in this field have extracted differentially expressed genes in the context of differences in cellular responses among multiple materials. Based on these genes, the effects of materials on cells at the molecular level have been examined. Expression data ranging from several to tens of thousands of genes can be obtained from DNA microarrays. For this reason, several tens or hundreds of differentially expressed genes are often present in different materials. In this review, we outline the principles of DNA microarrays, and provide an introduction to methods of extracting information which is useful for evaluating and designing biomaterials from comprehensive gene expression data.
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Affiliation(s)
- Nobutaka Hanagata
- Nanotechnology Innovation Center and Biomaterials Center, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
- Biomaterials Center, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
- Graduate School of Life Science, Hokkaido University, N10 W8, Kita-ku, Sapporo 060-0812, Japan
| | - Taro Takemura
- Nanotechnology Innovation Center and Biomaterials Center, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
| | - Takashi Minowa
- Nanotechnology Innovation Center and Biomaterials Center, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
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23
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Behavior of Human Mesenchymal Stem Cells in Fibrin-Based Vascular Tissue Engineering Constructs. Ann Biomed Eng 2010; 38:649-57. [DOI: 10.1007/s10439-010-9912-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2008] [Accepted: 01/05/2010] [Indexed: 10/20/2022]
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24
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Tschoeke B, Flanagan TC, Koch S, Harwoko MS, Deichmann T, Ellå V, Sachweh JS, Kellomåki M, Gries T, Schmitz-Rode T, Jockenhoevel S. Tissue-engineered small-caliber vascular graft based on a novel biodegradable composite fibrin-polylactide scaffold. Tissue Eng Part A 2009; 15:1909-18. [PMID: 19125650 DOI: 10.1089/ten.tea.2008.0499] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Small-caliber vascular grafts (< or =5 mm) constructed from synthetic materials for coronary bypass or peripheral vascular repair below the knee have poor patency rates, while autologous vessels may not be available for harvesting. The present study aimed to create a completely autologous small-caliber vascular graft by utilizing a bioabsorbable, macroporous poly(L/D)lactide 96/4 [P(L/D)LA 96/4] mesh as a support scaffold system combined with an autologous fibrin cell carrier material. A novel molding device was used to integrate a P(L/D)LA 96/4 mesh in the wall of a fibrin-based vascular graft, which was seeded with arterial smooth muscle cells (SMCs)/fibroblasts and subsequently lined with endothelial cells. The mold was connected to a bioreactor circuit for dynamic mechanical conditioning of the graft over a 21-day period. Graft cell phenotype, proliferation, extracellular matrix (ECM) content, and mechanical strength were analyzed. alpha-SMA-positive SMCs and fibroblasts deposited ECM proteins into the graft wall, with a significant increase in both cell number and collagen content over 21 days. A luminal endothelial cell lining was evidenced by vWf staining, while the grafts exhibited supraphysiological burst pressure (>460 mmHg) after dynamic cultivation. The results of our study demonstrated the successful production of an autologous, biodegradable small-caliber vascular graft in vitro, with remodeling capabilities and supraphysiological mechanical properties after 21 days in culture. The approach may be suitable for a variety of clinical applications, including coronary artery and peripheral artery bypass procedures.
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Affiliation(s)
- Beate Tschoeke
- 1 Department of Applied Medical Engineering, Helmholtz Institute for Biomedical Engineering, Aachen University , Aachen, Germany
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25
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Liu Y, Chan-Park MB. A biomimetic hydrogel based on methacrylated dextran-graft-lysine and gelatin for 3D smooth muscle cell culture. Biomaterials 2009; 31:1158-70. [PMID: 19897239 DOI: 10.1016/j.biomaterials.2009.10.040] [Citation(s) in RCA: 184] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2009] [Accepted: 10/16/2009] [Indexed: 10/20/2022]
Abstract
Many synthetic hydrogels for cell encapsulation have hitherto been based on polyethylene glycol which is non-natural, non-biodegradable and only terminal-functionalizable, all of which are drawbacks for tissue engineering or cell delivery. The polysaccharide dextran is also highly hydrophilic but biodegradable and pendant-functionalizable and more closely resembles glycosaminoglycans to mimic the natural extracellular matrix. This study reports synthesis of a methacrylate and lysine functionalized dextran and development of hydrogel composite systems based on this material and methacrylamide modified gelatin. The mechanical stiffness and degree of swelling of the hydrogels were varied by manipulation of the degree of functionalization of dextran and gelatin and concentration/composition of precursor solution. Human umbilical artery smooth muscle cells (SMCs) were encapsulated inside hydrogels during gel hardening with photopolymerization. Rapid cell spreading, extensive cellular network formation and high SMC proliferation occurred within softer hydrogels (with shear storage moduli ranging from 898 to 3124Pa). The encapsulated SMCs appear to be relatively contractile in the initial culture than on tissue culture polystyrene dish due to physical constraint imposed by the hydrogels but they become more synthetic with time possibly due to the inability of cells to reach confluence inside these cell-mediated degradable hydrogels. From the impressive cell proliferation and network formation, these new hydrogels combining polysaccharide and protein derivatives appear to be excellent candidates for further development as bioactive scaffolds for use in vascular tissue engineering and regeneration.
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Affiliation(s)
- Yunxiao Liu
- School of Chemical and Biomedical Engineering Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
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