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Zhou Z, Zhang Y, Zeng Y, Yang D, Mo J, Zheng Z, Zhang Y, Xiao P, Zhong X, Yan W. Effects of Nanomaterials on Synthesis and Degradation of the Extracellular Matrix. ACS NANO 2024; 18:7688-7710. [PMID: 38436232 DOI: 10.1021/acsnano.3c09954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
Extracellular matrix (ECM) remodeling is accompanied by the continuous synthesis and degradation of the ECM components. This dynamic process plays an important role in guiding cell adhesion, migration, proliferation, and differentiation, as well as in tissue development, body repair, and maintenance of homeostasis. Nanomaterials, due to their photoelectric and catalytic properties and special structure, have garnered much attention in biomedical fields for use in processes such as tissue engineering and disease treatment. Nanomaterials can reshape the cell microenvironment by changing the synthesis and degradation of ECM-related proteins, thereby indirectly changing the behavior of the surrounding cells. This review focuses on the regulatory role of nanomaterials in the process of cell synthesis of different ECM-related proteins and extracellular protease. We discuss influencing factors and possible related mechanisms of nanomaterials in ECM remodeling, which may provide different insights into the design and development of nanomaterials for the treatment of ECM disorder-related diseases.
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Affiliation(s)
- Zhiyan Zhou
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yanli Zhang
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou 510260, China
| | - Yuting Zeng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Dehong Yang
- Department of Orthopedics - Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Jiayao Mo
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ziting Zheng
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yuxin Zhang
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ping Xiao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xincen Zhong
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wenjuan Yan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Guo M, Liu XY, Li T, Duan Q, Dong XZ, Liu J, Jin F, Zheng ML. Cross-Scale Topography Achieved by MOPL with Positive Photoresist to Regulate the Cell Behavior. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303572. [PMID: 37592111 DOI: 10.1002/smll.202303572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/24/2023] [Indexed: 08/19/2023]
Abstract
Cross-scale micro-nano structures play an important role in semiconductors, MEMS, chemistry, and cell biology. Positive photoresist is widely used in lithography due to the advantages of high resolution and environmental friendliness. However, cross-scale micro-nano structures of positive photoresist are difficult to flexibly pattern, and the feature resolution is limited by the optical diffraction. Here, cross-scale patterned micro-nano structures are achieved using the positive photoresist based on the femtosecond laser maskless optical projection lithography (MOPL) technique. The dependence between exposure dose and groove width is comprehensively analyzed, and a feature size of 112 nm is obtained at 110 µW. Furthermore, large-area topography considering cell size is efficiently fabricated by the MOPL technique, which enables the regulation of cell behavior. The proposed protocol of achieving cross-scale structures with the exact size by MOPL of positive photoresist would provide new avenues for potential applications in nanoelectronics and tissue engineering.
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Affiliation(s)
- Min Guo
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Yanqihu Campus, Beijing, 101407, P. R. China
| | - Xiang-Yang Liu
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Yanqihu Campus, Beijing, 101407, P. R. China
| | - Teng Li
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Yanqihu Campus, Beijing, 101407, P. R. China
| | - Qi Duan
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
- School of Future Technology, University of Chinese Academy of Sciences, Yanqihu Campus, Beijing, 101407, P. R. China
| | - Xian-Zi Dong
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
| | - Jie Liu
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
| | - Feng Jin
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
| | - Mei-Ling Zheng
- Laboratory of Organic NanoPhotonics and CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 29, Zhongguancun East Road, Beijing, 100190, P. R. China
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Chen J. Current advances in anisotropic structures for enhanced osteogenesis. Colloids Surf B Biointerfaces 2023; 231:113566. [PMID: 37797464 DOI: 10.1016/j.colsurfb.2023.113566] [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: 08/26/2023] [Revised: 09/20/2023] [Accepted: 09/26/2023] [Indexed: 10/07/2023]
Abstract
Bone defects are a challenge to healthcare systems, as the aging population experiences an increase in bone defects. Despite the development of biomaterials for bone fillers and scaffolds, there is still an unmet need for a bone-mimetic material. Cortical bone is highly anisotropic and displays a biological liquid crystalline (LC) arrangement, giving it exceptional mechanical properties and a distinctive microenvironment. However, the biofunctions, cell-tissue interactions, and molecular mechanisms of cortical bone anisotropic structure are not well understood. Incorporating anisotropic structures in bone-facilitated scaffolds has been recognised as essential for better outcomes. Various approaches have been used to create anisotropic micro/nanostructures, but biomimetic bone anisotropic structures are still in the early stages of development. Most scaffolds lack features at the nanoscale, and there is no comprehensive evaluation of molecular mechanisms or characterisation of calcium secretion. This manuscript provides a review of the latest development of anisotropic designs for osteogenesis and discusses current findings on cell-anisotropic structure interactions. It also emphasises the need for further research. Filling knowledge gaps will enable the fabrication of scaffolds for improved and more controllable bone regeneration.
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Affiliation(s)
- Jishizhan Chen
- UCL Mechanical Engineering, University College London, WC1E 7JE, UK.
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Ryan CN, Pugliese E, Shologu N, Gaspar D, Rooney P, Islam MN, O'Riordan A, Biggs MJ, Griffin MD, Zeugolis DI. Physicochemical cues are not potent regulators of human dermal fibroblast trans-differentiation. BIOMATERIALS AND BIOSYSTEMS 2023; 11:100079. [PMID: 37720487 PMCID: PMC10499661 DOI: 10.1016/j.bbiosy.2023.100079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 04/25/2023] [Accepted: 05/29/2023] [Indexed: 09/19/2023] Open
Abstract
Due to their inherent plasticity, dermal fibroblasts hold great promise in regenerative medicine. Although biological signals have been well-established as potent regulators of dermal fibroblast function, it is still unclear whether physiochemical cues can induce dermal fibroblast trans-differentiation. Herein, we evaluated the combined effect of surface topography, substrate rigidity, collagen type I coating and macromolecular crowding in human dermal fibroblast cultures. Our data indicate that tissue culture plastic and collagen type I coating increased cell proliferation and metabolic activity. None of the assessed in vitro microenvironment modulators affected cell viability. Anisotropic surface topography induced bidirectional cell morphology, especially on more rigid (1,000 kPa and 130 kPa) substrates. Macromolecular crowding increased various collagen types, but not fibronectin, deposition. Macromolecular crowding induced globular extracellular matrix deposition, independently of the properties of the substrate. At day 14 (longest time point assessed), macromolecular crowding downregulated tenascin C (in 9 out of the 14 groups), aggrecan (in 13 out of the 14 groups), osteonectin (in 13 out of the 14 groups), and collagen type I (in all groups). Overall, our data suggest that physicochemical cues (such surface topography, substrate rigidity, collagen coating and macromolecular crowding) are not as potent as biological signals in inducing dermal fibroblast trans-differentiation.
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Affiliation(s)
- Christina N.M. Ryan
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Eugenia Pugliese
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Diana Gaspar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Peadar Rooney
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Md Nahidul Islam
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, University of Galway, Galway, Ireland
- Discipline of Biochemistry, School of Natural Sciences, University of Galway, Galway, Ireland
| | - Alan O'Riordan
- Tyndall National Institute, University College Cork (UCC), Cork, Ireland
| | - Manus J. Biggs
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Matthew D. Griffin
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, University of Galway, Galway, Ireland
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, University of Galway, Galway, Ireland
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering, University College Dublin (UCD), Dublin, Ireland
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Lin S, Yuan X, Du X, An R, Han Y. Surface microtopography construction and osteogenic properties evaluation of bulk polylactic acid implants. Colloids Surf B Biointerfaces 2023; 228:113418. [PMID: 37348268 DOI: 10.1016/j.colsurfb.2023.113418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/14/2023] [Accepted: 06/17/2023] [Indexed: 06/24/2023]
Abstract
In this study, polylactic acid (PLA) microspheres were used as the raw material to construct bulk implants with surface microtopography through hot pressing and heat treatment, and the microtopographical structures were regulated through the sizes of the PLA microspheres. The surface microtopographies of PLA implants were successfully constructed using micron-sized bulges, which showed a wave-like structure. The ridge width of bulges ranged from 1.64 ± 0.16 µm to 82.52 ± 14.38 µm and the valley depth ranged from 0.49 ± 0.07 µm to 37.35 ± 6.78 µm according to the sizes of microspheres. The nanoindentation tests showed that the modulus and hardness of PLA implants were gradually increased with the decrease in microsphere sizes. The surface microtopography resulted in a slight increase in the hydrophobicity of the PLA implants, but no significant differences were observed. Cells cultured on the implant surface with microtopography exhibited varying morphological responses, and significantly increased osteogenic activity was observed relative to a PLA flat film. This study demonstrated that the surface microtopography derived from PLA microspheres could regulate cellular response and activate osteogenic properties of PLA implants.
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Affiliation(s)
- Si Lin
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, PR China
| | - Xiaoting Yuan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, PR China
| | - Xinrui Du
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, PR China
| | - Ran An
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, PR China
| | - Yingchao Han
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, PR China; Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan 528200, PR China.
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Xiao L, Sun Y, Liao L, Su X. Response of mesenchymal stem cells to surface topography of scaffolds and the underlying mechanisms. J Mater Chem B 2023; 11:2550-2567. [PMID: 36852826 DOI: 10.1039/d2tb01875f] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Mesenchymal stem/stromal cells (MSCs) serve as essential components of regenerative medicine. Their destiny is influenced by the interaction of the cells with the external environment. In addition to the biochemical cues in a microenvironment, physical cues of the topography of the surrounding materials such as the extracellular matrix emerge as a crucial regulator of stem cell destiny and function. With recent advances in technologies of materials production and surface modification, surfaces with micro/nanotopographical characteristics can be fabricated to mimic the micro/nanoscale mechanical stimuli of the extracellular matrix environment and regulate the biological behavior of cells. Understanding the interaction of cells with the topography of a surface is conducive to the control of stem cell fate for application in regenerative medicine. However, the mechanisms by which topography affects the biological behavior of stem cells have not been fully elucidated. This review will present the effects of surface topography at the nano/micrometer scale on stem cell adhesion, morphology, proliferation, migration, and differentiation. It also focuses on discussing current theories about the sensing and recognition of surface topology cues, the transduction of the extracellular cues into plasma, and the final activation of related signaling pathways and downstream gene expression in MSCs. These insights will provide a theoretical basis for the future design of biomaterial scaffolds for application in regenerative medicine and tissue engineering.
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Affiliation(s)
- Li Xiao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Pediatrics & Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, 610041, Chengdu, China.
| | - Yanping Sun
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Pediatrics & Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, 610041, Chengdu, China.
| | - Li Liao
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Pediatrics & Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, 610041, Chengdu, China.
| | - Xiaoxia Su
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Pediatrics & Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, 610041, Chengdu, China.
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Ryan CNM, Pugliese E, Shologu N, Gaspar D, Rooney P, Islam MN, O'Riordan A, Biggs MJ, Griffin MD, Zeugolis DI. The synergistic effect of physicochemical in vitro microenvironment modulators in human bone marrow stem cell cultures. BIOMATERIALS ADVANCES 2022; 144:213196. [PMID: 36455498 DOI: 10.1016/j.bioadv.2022.213196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/29/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022]
Abstract
Modern bioengineering utilises biomimetic cell culture approaches to control cell fate during in vitro expansion. In this spirit, herein we assessed the influence of bidirectional surface topography, substrate rigidity, collagen type I coating and macromolecular crowding (MMC) in human bone marrow stem cell cultures. In the absence of MMC, surface topography was a strong modulator of cell morphology. MMC significantly increased extracellular matrix deposition, albeit in a globular manner, independently of the surface topography, substrate rigidity and collagen type I coating. Collagen type I coating significantly increased cell metabolic activity and none of the assessed parameters affected cell viability. At day 14, in the absence of MMC, none of the assessed genes was affected by surface topography, substrate rigidity and collagen type I coating, whilst in the presence of MMC, in general, collagen type I α1 chain, tenascin C, osteonectin, bone sialoprotein, aggrecan, cartilage oligomeric protein and runt-related transcription factor were downregulated. Interestingly, in the presence of the MMC, the 1000 kPa grooved substrate without collagen type I coating upregulated aggrecan, cartilage oligomeric protein, scleraxis homolog A, tenomodulin and thrombospondin 4, indicative of tenogenic differentiation. This study further supports the notion for multifactorial bioengineering to control cell fate in culture.
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Affiliation(s)
- Christina N M Ryan
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Eugenia Pugliese
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Diana Gaspar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Peadar Rooney
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Md Nahidul Islam
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Discipline of Biochemistry, School of Natural Sciences, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Alan O'Riordan
- Tyndall National Institute, University College Cork (UCC), Cork, Ireland
| | - Manus J Biggs
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Matthew D Griffin
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland; Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering, University College Dublin (UCD), Dublin, Ireland.
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Ribeiro S, Pugliese E, Korntner SH, Fernandes EM, Gomes ME, Reis RL, O'Riordan A, Bayon Y, Zeugolis DI. Assessing the combined effect of surface topography and substrate rigidity in human bone marrow stem cell cultures. Eng Life Sci 2022; 22:619-633. [PMID: 36247829 PMCID: PMC9550738 DOI: 10.1002/elsc.202200029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 11/11/2022] Open
Affiliation(s)
- Sofia Ribeiro
- Medtronic Sofradim Production Trevoux France
- Regenerative Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM) National University of Ireland Galway (NUI Galway) Galway Ireland
| | - Eugenia Pugliese
- Regenerative Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM) National University of Ireland Galway (NUI Galway) Galway Ireland
| | - Stefanie H. Korntner
- Regenerative Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM) National University of Ireland Galway (NUI Galway) Galway Ireland
| | - Emanuel M. Fernandes
- 3B's Research Group I3Bs – Research Institute on Biomaterials Biodegradables and Biomimetics University of Minho Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Manuela E. Gomes
- 3B's Research Group I3Bs – Research Institute on Biomaterials Biodegradables and Biomimetics University of Minho Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
| | - Rui L. Reis
- 3B's Research Group I3Bs – Research Institute on Biomaterials Biodegradables and Biomimetics University of Minho Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine AvePark Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco Guimarães Portugal
- ICVS/3B's – PT Government Associate Laboratory Braga/Guimarães Portugal
| | | | - Yves Bayon
- Medtronic Sofradim Production Trevoux France
| | - Dimitrios I. Zeugolis
- Regenerative Modular & Developmental Engineering Laboratory (REMODEL) and Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM) National University of Ireland Galway (NUI Galway) Galway Ireland
- Regenerative Modular & Developmental Engineering Laboratory (REMODEL) Charles Institute of Dermatology Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering University College Dublin (UCD) Dublin Ireland
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9
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Carthew J, Taylor JBJ, Garcia-Cruz MR, Kiaie N, Voelcker NH, Cadarso VJ, Frith JE. The Bumpy Road to Stem Cell Therapies: Rational Design of Surface Topographies to Dictate Stem Cell Mechanotransduction and Fate. ACS APPLIED MATERIALS & INTERFACES 2022; 14:23066-23101. [PMID: 35192344 DOI: 10.1021/acsami.1c22109] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cells sense and respond to a variety of physical cues from their surrounding microenvironment, and these are interpreted through mechanotransductive processes to inform their behavior. These mechanisms have particular relevance to stem cells, where control of stem cell proliferation, potency, and differentiation is key to their successful application in regenerative medicine. It is increasingly recognized that surface micro- and nanotopographies influence stem cell behavior and may represent a powerful tool with which to direct the morphology and fate of stem cells. Current progress toward this goal has been driven by combined advances in fabrication technologies and cell biology. Here, the capacity to generate precisely defined micro- and nanoscale topographies has facilitated the studies that provide knowledge of the mechanotransducive processes that govern the cellular response as well as knowledge of the specific features that can drive cells toward a defined differentiation outcome. However, the path forward is not fully defined, and the "bumpy road" that lays ahead must be crossed before the full potential of these approaches can be fully exploited. This review focuses on the challenges and opportunities in applying micro- and nanotopographies to dictate stem cell fate for regenerative medicine. Here, key techniques used to produce topographic features are reviewed, such as photolithography, block copolymer lithography, electron beam lithography, nanoimprint lithography, soft lithography, scanning probe lithography, colloidal lithography, electrospinning, and surface roughening, alongside their advantages and disadvantages. The biological impacts of surface topographies are then discussed, including the current understanding of the mechanotransductive mechanisms by which these cues are interpreted by the cells, as well as the specific effects of surface topographies on cell differentiation and fate. Finally, considerations in translating these technologies and their future prospects are evaluated.
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Affiliation(s)
- James Carthew
- Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Jason B J Taylor
- Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Maria R Garcia-Cruz
- Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Nasim Kiaie
- Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia
| | - Nicolas H Voelcker
- Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Clayton, Victoria 3168, Australia
- Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
- ARC Centre for Cell and Tissue Engineering Technologies, Monash University, Clayton, Victoria 3800, Australia
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC 3168, Australia
| | - Victor J Cadarso
- Mechanical and Aerospace Engineering, Monash University, Clayton, Victoria 3800, Australia
- Centre to Impact Antimicrobial Resistance, Monash University, Clayton, Victoria 3800, Australia
| | - Jessica E Frith
- Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia
- ARC Centre for Cell and Tissue Engineering Technologies, Monash University, Clayton, Victoria 3800, Australia
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria 3800, Australia
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10
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Effect of Controlled Microtopography on Osteogenic Differentiation of Mesenchymal Stem Cells. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:7179723. [PMID: 35126944 PMCID: PMC8816539 DOI: 10.1155/2022/7179723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/13/2022] [Indexed: 12/14/2022]
Abstract
Various kinds of controlled microtopographies can promote osteogenic differentiation of mesenchymal stem cells (MSCs), such as microgrooves, micropillars, and micropits. However, the optimal shape, size, and mechanism remain unclear. In this review, we summarize the relationship between the parameters of different microtopographies and the behavior of MSCs. Then, we try to reveal the potential mechanism between them. The results showed that the microgrooves with a width of 4–60 μm and ridge width <10 μm, micropillars with parameters less than 10 μm, and square micropits had the full potential to promote osteogenic differentiation of MSCs, while the micromorphology of the same size could induce larger focal adhesions (FAs), well-organized cytoskeleton, and superior cell areas. Therefore, such events are possibly mediated by microtopography-induced mechanotransduction pathways.
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11
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Ishmukhametov I, Batasheva S, Rozhina E, Akhatova F, Mingaleeva R, Rozhin A, Fakhrullin R. DNA/Magnetic Nanoparticles Composite to Attenuate Glass Surface Nanotopography for Enhanced Mesenchymal Stem Cell Differentiation. Polymers (Basel) 2022; 14:344. [PMID: 35054750 PMCID: PMC8779295 DOI: 10.3390/polym14020344] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/22/2021] [Accepted: 12/31/2021] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have extensive pluripotent potential to differentiate into various cell types, and thus they are an important tool for regenerative medicine and biomedical research. In this work, the differentiation of hTERT-transduced adipose-derived MSCs (hMSCs) into chondrocytes, adipocytes and osteoblasts on substrates with nanotopography generated by magnetic iron oxide nanoparticles (MNPs) and DNA was investigated. Citrate-stabilized MNPs were synthesized by the chemical co-precipitation method and sized around 10 nm according to microscopy studies. It was shown that MNPs@DNA coatings induced chondrogenesis and osteogenesis in hTERT-transduced MSCs. The cells had normal morphology and distribution of actin filaments. An increase in the concentration of magnetic nanoparticles resulted in a higher surface roughness and reduced the adhesion of cells to the substrate. A glass substrate modified with magnetic nanoparticles and DNA induced active chondrogenesis of hTERT-transduced MSC in a twice-diluted differentiation-inducing growth medium, suggesting the possible use of nanostructured MNPs@DNA coatings to obtain differentiated cells at a reduced level of growth factors.
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Affiliation(s)
| | | | - Elvira Rozhina
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, 420008 Kazan, Republic of Tatarstan, Russian Federation; (I.I.); (S.B.); (F.A.); (R.M.); (A.R.)
| | | | | | | | - Rawil Fakhrullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, 420008 Kazan, Republic of Tatarstan, Russian Federation; (I.I.); (S.B.); (F.A.); (R.M.); (A.R.)
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12
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Ryan C, Pugliese E, Shologu N, Gaspar D, Rooney P, Islam MN, O'Riordan A, Biggs M, Griffin M, Zeugolis D. A combined physicochemical approach towards human tenocyte phenotype maintenance. Mater Today Bio 2021; 12:100130. [PMID: 34632361 PMCID: PMC8488312 DOI: 10.1016/j.mtbio.2021.100130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 02/08/2023] Open
Abstract
During in vitro culture, bereft of their optimal tissue context, tenocytes lose their phenotype and function. Considering that tenocytes in their native tissue milieu are exposed simultaneously to manifold signals, combination approaches (e.g. growth factor supplementation and mechanical stimulation) are continuously gaining pace to control cell fate during in vitro expansion, albeit with limited success due to the literally infinite number of possible permutations. In this work, we assessed the potential of scalable and potent physicochemical approaches that control cell fate (substrate stiffness, anisotropic surface topography, collagen type I coating) and enhance extracellular matrix deposition (macromolecular crowding) in maintaining human tenocyte phenotype in culture. Cell morphology was primarily responsive to surface topography. The tissue culture plastic induced the largest nuclei area, the lowest aspect ratio, and the highest focal adhesion kinase. Collagen type I coating increased cell number and metabolic activity. Cell viability was not affected by any of the variables assessed. Macromolecular crowding intensely enhanced and accelerated native extracellular matrix deposition, albeit not in an aligned fashion, even on the grooved substrates. Gene analysis at day 14 revealed that the 130 kPa grooved substrate without collagen type I coating and under macromolecular crowding conditions positively regulated human tenocyte phenotype. Collectively, this work illustrates the beneficial effects of combined physicochemical approaches in controlling cell fate during in vitro expansion.
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Affiliation(s)
- C.N.M. Ryan
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - E. Pugliese
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - N. Shologu
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - D. Gaspar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - P. Rooney
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Md N. Islam
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Discipline of Biochemistry, School of Natural Sciences, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - A. O'Riordan
- Tyndall National Institute, University College Cork (UCC), Cork, Ireland
| | - M.J. Biggs
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - M.D. Griffin
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Regenerative Medicine Institute (REMEDI), School of Medicine, Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - D.I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Charles Institute of Dermatology, Conway Institute of Biomolecular & Biomedical Research and School of Mechanical & Materials Engineering, University College Dublin (UCD), Dublin, Ireland
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13
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Current interpretations on the in vivo response of bone to additively manufactured metallic porous scaffolds: A review. BIOMATERIALS AND BIOSYSTEMS 2021; 2:100013. [PMID: 36824658 PMCID: PMC9934422 DOI: 10.1016/j.bbiosy.2021.100013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/20/2021] [Accepted: 02/13/2021] [Indexed: 01/08/2023] Open
Abstract
Recent advances in the field of metallic additive manufacturing have expanded production capabilities for bone implants to include porous lattice structures. While traditional models of de novo bone formation can be applied to fully dense implant materials, their applicability to the interior of porous materials has not been well-characterized. Unlike other reviews that focus on materials and mechanical properties of lattice structures, this review compiles biological performance from in vivo studies in pre-clinical models only. First, we introduce the most common lattice geometry designs employed in vivo and discuss some of their fabrication advantages and limitations. Then lattice geometry is correlated to quantitative (histomorphometric) and qualitative (histological) assessments of osseointegration. We group studies according to two common implant variables: pore size and percent porosity, and explore the extent of osseointegration using common measures, including bone-implant contact (BIC), bone area (BA), bone volume/total volume (BV/TV) and biomechanical stability, for various animal models and implantation times. Based on this, trends related to in vivo bone formation on the interior of lattice structures are presented. Common challenges with lattice structures are highlighted, including nonuniformity of bone growth through the entirety of the lattice structure due to occlusion effects and avascularity. This review paper identifies a lack of systematic in vivo studies on porous AM implants to target optimum geometric design, including pore shape, size, and percent porosity in controlled animal models and critical-sized defects. Further work focusing on surface modification strategies and systematic geometric studies to homogenize in vivo bone growth through the scaffold interior are recommended to increase implant stability in the early stages of osseointegration.
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14
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Refaaq FM, Chen X, Pang SW. Effects of topographical guidance cues on osteoblast cell migration. Sci Rep 2020; 10:20003. [PMID: 33203986 PMCID: PMC7672072 DOI: 10.1038/s41598-020-77103-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/05/2020] [Indexed: 12/13/2022] Open
Abstract
Cell migration is a fundamental process that is crucial for many biological functions in the body such as immune responses and tissue regeneration. Dysregulation of this process is associated with cancer metastasis. In this study, polydimethylsiloxane platforms with various topographical features were engineered to explore the influence of guiding patterns on MC3T3-E1 osteoblast cell migration. Focusing on the guiding effects of grating patterns, variations such as etch depth, pattern discontinuity, and bending angles were investigated. In all experiments, MC3T3-E1 cells on patterned surfaces demonstrated a higher migration speed and alignment when compared to flat surfaces. The study revealed that an increase in etch depth from 150 nm to 4.5 μm enhanced cell alignment and elongation along the grating patterns. In the presence of discontinuous elements, cell migration speed was accelerated when compared to gratings of the same etch depth. These results indicated that cell directionality preference was influenced by a high level of pattern discontinuity. On patterns with bends, cells were more inclined to reverse on 45° bends, with 69% of cells reversing at least once, compared to 54% on 135° bends. These results are attributed to cell morphology and motility mechanisms that are associated with surface topography, where actin filament structures such as filopodia and lamellipodia are essential in sensing the surrounding environment and controlling cell displacement. Knowledge of geometric guidance cues could provide a better understanding on how cell migration is influenced by extracellular matrix topography in vivo.
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Affiliation(s)
- F M Refaaq
- Department of Electrical Engineering, Centre for Biosystems, Neuroscience, and Nanotechnology, City University of Hong Kong, Kowloon, Hong Kong, China
| | - X Chen
- Department of Electrical Engineering, Centre for Biosystems, Neuroscience, and Nanotechnology, City University of Hong Kong, Kowloon, Hong Kong, China
| | - S W Pang
- Department of Electrical Engineering, Centre for Biosystems, Neuroscience, and Nanotechnology, City University of Hong Kong, Kowloon, Hong Kong, China.
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15
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Zhu M, Ye H, Fang J, Zhong C, Yao J, Park J, Lu X, Ren F. Engineering High-Resolution Micropatterns Directly onto Titanium with Optimized Contact Guidance to Promote Osteogenic Differentiation and Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2019; 11:43888-43901. [PMID: 31680521 DOI: 10.1021/acsami.9b16050] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Topographical cues play an important role in directing cell behavior, and thus, extensive research efforts have been devoted to fabrication of surface patterns and exploring the contact guidance effect. However, engineering high-resolution micropatterns directly onto metallic implants remains a grand challenge. Moreover, there still lacks evidence that allows translation of in vitro screening to in vivo tissue response. Herein, we demonstrate a fast, cost-effective, and feasible approach to the precise fabrication of shape- and size-controlled micropatterns on titanium substrates using a combination of photolithography and inductively coupled plasma-based dry etching. A titanium TopoChip containing 34 microgrooved patterns with varying geometry parameters and a flat surface as the control was designed for a high-throughput in vitro study of the contact guidance of osteoblasts. The correlation between the surface pattern dimensions, cell morphological characteristics, proliferation, and osteogenic marker expression was systematically investigated in vitro. Furthermore, the surface with the highest osteogenic potential in vitro along with representative controls was evaluated in rat cranial defect models. The results show that microgrooved pattern parameters have almost no effect on osteoblast proliferation but significantly regulate the cell morphology, orientation, focal adhesion (FA) formation, and osteogenic differentiation in vitro. In particular, a specific groove pattern with a ridge width of 3 μm, groove width of 7 μm, and depth of 2 μm can most effectively align the cells through regulating the distribution of FAs, resulting in an anisotropic actin cytoskeleton, and thereby promoting osteogenic differentiation. In vivo, microcomputed tomography and histological analyses show that the optimized pattern can apparently stimulate new bone formation. This study not only offers a microfabrication method that can be extended to fabricate various shape- and size-controlled micropatterns on titanium alloys but also provides insight into the surface structure design of orthopedic and dental implants for enhanced bone regeneration.
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Affiliation(s)
| | | | | | - Chuanxin Zhong
- Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine , Hong Kong Baptist University , Kowloon Tong , Hong Kong 999077 , China
| | | | | | - Xiong Lu
- Key Lab of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering , Southwest Jiaotong University , Chengdu , Sichuan 610031, China
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16
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Weber FE. Reconsidering Osteoconduction in the Era of Additive Manufacturing. TISSUE ENGINEERING. PART B, REVIEWS 2019; 25:375-386. [PMID: 30997857 PMCID: PMC6784493 DOI: 10.1089/ten.teb.2019.0047] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 04/17/2019] [Indexed: 02/06/2023]
Abstract
Bone regeneration procedures in clinics and bone tissue engineering stand on three pillars: osteoconduction, osteoinduction, and stem cells. In the last two decades, the focus in this field has been on osteoinduction, which is realized by the use of bone morphogenetic proteins and the application of mesenchymal stem cells to treat bone defects. However, osteoconduction was reduced to a surface phenomenon because the supposedly ideal pore size of osteoconductive scaffolds was identified in the 1990s as 0.3-0.5 mm in diameter, forcing bone formation to occur predominantly on the surface. Meanwhile, additive manufacturing has evolved as a new tool to realize designed microarchitectures in bone substitutes, thereby enabling us to study osteoconduction as a true three-dimensional phenomenon. Moreover, by additive manufacturing, wide-open porous scaffolds can be produced in which bone formation occurs distant to the surface at a superior bony defect-bridging rate enabled by highly osteoconductive pores 1.2 mm in diameter. This review provides a historical overview and an updated definition of osteoconduction and related terms. In addition, it shows how additive manufacturing can be instrumental in studying and optimizing osteoconduction of bone substitutes, and provides novel optimized features and boundaries of osteoconductive microarchitectures. Impact Statement This review updates the definition of osteoconduction and draws clear lines to discriminate between osteoconduction, osseointegration, and osteoinduction. Moreover, additively manufactured libraries of scaffolds revealed that: osteoconduction is more a three-dimensional than a surface phenomenon; microarchitecture dictates defect bridging, which is the measure for osteoconduction; pore diameter or the diagonal of lattice microarchitectures of osteoconductive bone substitutes should be ∼1.2 mm.
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Affiliation(s)
- Franz E. Weber
- Oral Biotechnology and Bioengineering, Center of Dental Medicine Department of Cranio-Maxillofacial and Oral Surgery, University of Zurich, Zurich, Switzerland
- Center for Applied Biotechnology and Molecular Medicine (CABMM), University of Zurich, Zurich, Switzerland
- Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zurich, Switzerland
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17
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Gui N, Xu W, Abraham AN, Shukla R, Qian M. Osteoblast Responses to Titanium-Coated Subcellular Scaled Microgrooves. ACS APPLIED BIO MATERIALS 2019; 2:2405-2413. [PMID: 35030697 DOI: 10.1021/acsabm.9b00094] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Statistical data have consistently shown that implant loosening is a significant causative factor for revision surgeries. Both in vivo and in vitro studies have confirmed the positive influences of microgrooved titanium implant surfaces on improving orthopedic titanium implants compared with a smooth titanium surface. Complete cell-groove adhesion is a prerequisite for rapid and robust osseointegration. For the first time, this work has quantified the influence of the titanium groove width at the subcellular scale (5-20 μm) on osteoblast responses, using titanium-coated microgrooved silicon wafer specimens (surface roughness, Ra = ∼1.5 nm), which can avoid the latent influence of variations in surface roughness from the use of normal titanium substrates. The cell-groove adhesion increased from 53.07% to 98.55% with an increasing groove width from 5 to 20 μm. In addition, both the cell spreading area and cell width were proportional to groove width. However, no statistically significant influence (p > 0.05) of groove width was identified on cell proliferation and differentiation. An exponential model was proposed to predict the groove geometries that can facilitate complete cell-groove adhesion. The underlying mechanisms were discussed. The experimental findings of this study provide a unique basis for the design of titanium implant surfaces.
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Affiliation(s)
- N Gui
- Centre for Additive Manufacturing, School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
| | - W Xu
- Centre for Additive Manufacturing, School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia.,School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - A N Abraham
- Ian Potter NanoBioSensing Facility, Nanobiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - R Shukla
- Ian Potter NanoBioSensing Facility, Nanobiotechnology Research Laboratory, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - M Qian
- Centre for Additive Manufacturing, School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
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18
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Korntner S, Gaspar D, Zeugolis DI. Editorial: Biofunctional biomaterials and cellular systems for diagnostic and therapeutic purposes. ACTA ACUST UNITED AC 2019; 14:020201. [PMID: 30698161 DOI: 10.1088/1748-605x/aafd84] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Stefanie Korntner
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland. Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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19
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Sorushanova A, Delgado LM, Wu Z, Shologu N, Kshirsagar A, Raghunath R, Mullen AM, Bayon Y, Pandit A, Raghunath M, Zeugolis DI. The Collagen Suprafamily: From Biosynthesis to Advanced Biomaterial Development. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801651. [PMID: 30126066 DOI: 10.1002/adma.201801651] [Citation(s) in RCA: 489] [Impact Index Per Article: 97.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/03/2018] [Indexed: 05/20/2023]
Abstract
Collagen is the oldest and most abundant extracellular matrix protein that has found many applications in food, cosmetic, pharmaceutical, and biomedical industries. First, an overview of the family of collagens and their respective structures, conformation, and biosynthesis is provided. The advances and shortfalls of various collagen preparations (e.g., mammalian/marine extracted collagen, cell-produced collagens, recombinant collagens, and collagen-like peptides) and crosslinking technologies (e.g., chemical, physical, and biological) are then critically discussed. Subsequently, an array of structural, thermal, mechanical, biochemical, and biological assays is examined, which are developed to analyze and characterize collagenous structures. Lastly, a comprehensive review is provided on how advances in engineering, chemistry, and biology have enabled the development of bioactive, 3D structures (e.g., tissue grafts, biomaterials, cell-assembled tissue equivalents) that closely imitate native supramolecular assemblies and have the capacity to deliver in a localized and sustained manner viable cell populations and/or bioactive/therapeutic molecules. Clearly, collagens have a long history in both evolution and biotechnology and continue to offer both challenges and exciting opportunities in regenerative medicine as nature's biomaterial of choice.
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Affiliation(s)
- Anna Sorushanova
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Zhuning Wu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Aniket Kshirsagar
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Rufus Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | | | - Yves Bayon
- Sofradim Production-A Medtronic Company, Trevoux, France
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Michael Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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20
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Gui N, Xu W, Myers DE, Shukla R, Tang HP, Qian M. The effect of ordered and partially ordered surface topography on bone cell responses: a review. Biomater Sci 2018; 6:250-264. [DOI: 10.1039/c7bm01016h] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Current understanding of the role of ordered and partially ordered surface topography in bone cell responses for bone implant design.
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Affiliation(s)
- N. Gui
- Centre for Additive Manufacturing
- School of Engineering
- RMIT University
- Melbourne
- Australia
| | - W. Xu
- Department of Engineering
- Macquarie University
- Sydney
- Australia
| | - D. E. Myers
- Australian Institute for Musculoskeletal Science
- Victoria University and University of Melbourne
- Australia
- College of Health and Biomedicine
- Victoria University
| | - R. Shukla
- Nanobiotechnology Research Laboratory and Centre for Advanced Materials & Industrial Chemistry
- School of Science
- RMIT University
- Melbourne
- Australia
| | - H. P. Tang
- State Key Laboratory of Porous Metal Materials
- Northwest Institute for Nonferrous Metal Research
- and Xi'an Sailong Metal Materials Co. Ltd
- Xi'an 710016
- China
| | - M. Qian
- Centre for Additive Manufacturing
- School of Engineering
- RMIT University
- Melbourne
- Australia
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21
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Narayan R, Agarwal T, Mishra D, Maji S, Mohanty S, Mukhopadhyay A, Maiti TK. Ectopic vascularized bone formation by human mesenchymal stem cell microtissues in a biocomposite scaffold. Colloids Surf B Biointerfaces 2017; 160:661-670. [DOI: 10.1016/j.colsurfb.2017.10.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 09/28/2017] [Accepted: 10/02/2017] [Indexed: 12/19/2022]
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22
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Tsiapalis D, De Pieri A, Biggs M, Pandit A, Zeugolis DI. Biomimetic Bioactive Biomaterials: The Next Generation of Implantable Devices. ACS Biomater Sci Eng 2017; 3:1172-1174. [PMID: 33440507 DOI: 10.1021/acsbiomaterials.7b00372] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Andrea De Pieri
- National University of Ireland Galway and Proxy Biomedical Ltd
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23
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24
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Bonfrate V, Manno D, Serra A, Salvatore L, Sannino A, Buccolieri A, Serra T, Giancane G. Enhanced electrical conductivity of collagen films through long-range aligned iron oxide nanoparticles. J Colloid Interface Sci 2017; 501:185-191. [PMID: 28456102 DOI: 10.1016/j.jcis.2017.04.067] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/19/2017] [Accepted: 04/21/2017] [Indexed: 11/18/2022]
Abstract
The development of biocompatible collagen substrates able to conduct electric current along specific pathways represent an appealing issue in tissue engineering, since it is well known that electrical stimuli significantly affects important cell behaviour, such as proliferation, differentiation, directional migration, and, therefore, tissue regeneration. In this work, a cheap and easy approach was proposed to produce collagen-based films exhibiting enhanced electrical conductivity, through the simple manipulation of a weak external magnetic trigger. Paramagnetic iron oxide nanoparticles (NPs) capped by a biocompatible polyethylene-glycol coating were synthetized by a co-precipitation and solvothermic method and sprayed onto a collagen suspension. The system was then subjected to a static external magnetic field in order to conveniently tune NPs organization. Under the action of the external stimulus, NPs were induced to orient along the magnetic field lines, forming long-range aligned micropatterns within the collagen matrix. Drying of the substrate following water evaporation permanently blocked the magnetic architecture produced, thereby preserving NPs organization even after magnetic field removal. Electrical conductivity measurements clearly showed that the presence of such a magnetic framework endowed collagen with marked conductive properties in specific directions. The biocompatibility of the paramagnetic collagen films was also demonstrated by MTT cell cytotoxicity test.
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Affiliation(s)
- Valentina Bonfrate
- Department of Engineering for Innovation, University of Salento, Via Per Arnesano, Lecce, Italy
| | - Daniela Manno
- Department of Mathematics & Physics "Ennio De Giorgi", University of Salento, Via Per Arnesano, Lecce, Italy
| | - Antonio Serra
- Department of Mathematics & Physics "Ennio De Giorgi", University of Salento, Via Per Arnesano, Lecce, Italy
| | - Luca Salvatore
- Department of Engineering for Innovation, University of Salento, Via Per Arnesano, Lecce, Italy
| | - Alessandro Sannino
- Department of Engineering for Innovation, University of Salento, Via Per Arnesano, Lecce, Italy
| | - Alessandro Buccolieri
- Biological and Environmental Sciences and Technologies, University of Salento, Via Per Arnesano, Lecce, Italy
| | - Tiziano Serra
- AO Research Institute, Clavadelerstrasse 8, 7270 Davos, Switzerland
| | - Gabriele Giancane
- Department of Cultural Heritage, University of Salento, Via D. Birago, 64, Lecce, Italy.
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25
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Liang J, Xu S, Shen M, Cheng B, Li Y, Liu X, Qin D, Bellare A, Kong L. Osteogenic activity of titanium surfaces with hierarchical micro-/nano-structures obtained by hydrofluoric acid treatment. Int J Nanomedicine 2017; 12:1317-1328. [PMID: 28243092 PMCID: PMC5317262 DOI: 10.2147/ijn.s123930] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
An easier method for constructing the hierarchical micro-/nano-structures on the surface of dental implants in the clinic is needed. In this study, three different titanium surfaces with microscale grooves (width 0.5–1, 1–1.5, and 1.5–2 μm) and nanoscale nanoparticles (diameter 20–30, 30–50, and 50–100 nm, respectively) were obtained by treatment with different concentrations of hydrofluoric acid (HF) and at different etching times (1%, 3 min; 0.5%, 12 min; and 1.5%, 12 min, respectively; denoted as groups HF1, HF2, and HF3). The biological response to the three different titanium surfaces was evaluated by in vitro human bone marrow-derived mesenchymal stem cell (hBMMSC) experiments and in vivo animal experiments. The results showed that cell adhesion, proliferation, alkaline phosphatase activity, and mineralization of hBMMSCs were increased in the HF3 group. After the different surface implants were inserted into the distal femurs of 40 rats, the bone–implant contact in groups HF1, HF2, and HF3 was 33.17%±2.2%, 33.82%±3.42%, and 41.04%±3.08%, respectively. Moreover, the maximal pullout force in groups HF1, HF2, and HF3 was 57.92±2.88, 57.83±4.09, and 67.44±6.14 N, respectively. The results showed that group HF3 with large micron grooves (1.5–2.0 μm) and large nanoparticles (50–100 nm) showed the best bio-functionality for the hBMMSC response and osseointegration in animal experiments compared with other groups.
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Affiliation(s)
- Jianfei Liang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease & Shaanxi Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an
| | - Shanshan Xu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease & Shaanxi Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an
| | - Mingming Shen
- Department of Stomatology, Xinhua Hospital of Beijing, Beijing
| | - Bingkun Cheng
- Department of Oral and Maxillofacial Surgery, School of Stomatology, The Second Hospital of Hebei Medical University, Shijiazhuang
| | - Yongfeng Li
- Department of Stomatology, Chinese PLA 532 Hospital, Huangshan, People's Republic of China
| | - Xiangwei Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease & Shaanxi Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an
| | - Dongze Qin
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease & Shaanxi Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an
| | - Anuj Bellare
- Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Liang Kong
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Disease & Shaanxi Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an
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26
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Deng Y, Yang Y, Wei S. Peptide-Decorated Nanofibrous Niche Augments In Vitro Directed Osteogenic Conversion of Human Pluripotent Stem Cells. Biomacromolecules 2017; 18:587-598. [DOI: 10.1021/acs.biomac.6b01748] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Yi Deng
- School
of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Yuanyi Yang
- Department
of Materials Engineering, Sichuan College of Architectural Technology, Deyang 618000, China
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27
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Hanßke F, Bas O, Vaquette C, Hochleitner G, Groll J, Kemnitz E, Hutmacher DW, Börner HG. Via precise interface engineering towards bioinspired composites with improved 3D printing processability and mechanical properties. J Mater Chem B 2017; 5:5037-5047. [DOI: 10.1039/c7tb00165g] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Precise interface engineering in inorganic–organic hybrid materials enhances both the elastic moduli and toughness of a biodegradable composite, which is of relevance for load-bearing applications in bone tissue engineering.
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Affiliation(s)
- Felix Hanßke
- Humboldt-Universität zu Berlin
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- 12489 Berlin
- Germany
| | - Onur Bas
- Centre for Regenerative Medicine
- Queensland University of Technology (QUT)
- Kelvin Grove
- Australia
| | - Cédryck Vaquette
- Centre for Regenerative Medicine
- Queensland University of Technology (QUT)
- Kelvin Grove
- Australia
| | - Gernot Hochleitner
- Department for Functional Materials in Medicine and Dentistry
- University of Würzburg
- 97070 Würzburg
- Germany
| | - Jürgen Groll
- Department for Functional Materials in Medicine and Dentistry
- University of Würzburg
- 97070 Würzburg
- Germany
| | - Erhard Kemnitz
- Humboldt-Universität zu Berlin
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- 12489 Berlin
- Germany
| | - Dietmar W. Hutmacher
- Centre for Regenerative Medicine
- Queensland University of Technology (QUT)
- Kelvin Grove
- Australia
- ARC Centre In Additive Biomanufacturing
| | - Hans G. Börner
- Humboldt-Universität zu Berlin
- Department of Chemistry
- Laboratory for Organic Synthesis of Functional Systems
- 12489 Berlin
- Germany
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28
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Krishna L, Dhamodaran K, Jayadev C, Chatterjee K, Shetty R, Khora SS, Das D. Nanostructured scaffold as a determinant of stem cell fate. Stem Cell Res Ther 2016; 7:188. [PMID: 28038681 PMCID: PMC5203716 DOI: 10.1186/s13287-016-0440-y] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The functionality of stem cells is tightly regulated by cues from the niche, comprising both intrinsic and extrinsic cell signals. Besides chemical and growth factors, biophysical signals are important components of extrinsic signals that dictate the stem cell properties. The materials used in the fabrication of scaffolds provide the chemical cues whereas the shape of the scaffolds provides the biophysical cues. The effect of the chemical composition of the scaffolds on stem cell fate is well researched. Biophysical signals such as nanotopography, mechanical forces, stiffness of the matrix, and roughness of the biomaterial influence the fate of stem cells. However, not much is known about their role in signaling crosstalk, stem cell maintenance, and directed differentiation. Among the various techniques for scaffold design, nanotechnology has special significance. The role of nanoscale topography in scaffold design for the regulation of stem cell behavior has gained importance in regenerative medicine. Nanotechnology allows manipulation of highly advanced surfaces/scaffolds for optimal regulation of cellular behavior. Techniques such as electrospinning, soft lithography, microfluidics, carbon nanotubes, and nanostructured hydrogel are described in this review, along with their potential usage in regenerative medicine. We have also provided a brief insight into the potential signaling crosstalk that is triggered by nanomaterials that dictate a specific outcome of stem cells. This concise review compiles recent developments in nanoscale architecture and its importance in directing stem cell differentiation for prospective therapeutic applications.
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Affiliation(s)
- Lekshmi Krishna
- Stem Cell Research Lab, GROW Lab, Narayana Nethralaya Foundation, Bangalore, Karnataka, India.,School of Bioscience and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Kamesh Dhamodaran
- Stem Cell Research Lab, GROW Lab, Narayana Nethralaya Foundation, Bangalore, Karnataka, India.,School of Bioscience and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Chaitra Jayadev
- Vitreoretina Services, Narayana Nethralaya Eye Hospital, Bangalore, Karnataka, India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, Bangalore, Karnataka, India
| | - Rohit Shetty
- Department of Cornea and Refractive Surgery, Narayana Nethralaya Eye Hospital, Bangalore, Karnataka, India
| | - S S Khora
- School of Bioscience and Technology, VIT University, Vellore, Tamil Nadu, India
| | - Debashish Das
- Stem Cell Research Lab, GROW Lab, Narayana Nethralaya Foundation, Bangalore, Karnataka, India.
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29
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Pandit A, Zeugolis DI. Twenty-five years of nano-bio-materials: have we revolutionized healthcare? Nanomedicine (Lond) 2016; 11:985-7. [PMID: 27092982 DOI: 10.2217/nnm.16.42] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland.,Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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30
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Hasturk O, Sivas A, Karasozen B, Demirci U, Hasirci N, Hasirci V. Quantification of Type, Timing, and Extent of Cell Body and Nucleus Deformations Caused by the Dimensions and Hydrophilicity of Square Prism Micropillars. Adv Healthc Mater 2016; 5:2972-2982. [PMID: 27925459 DOI: 10.1002/adhm.201600857] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 09/21/2016] [Indexed: 01/30/2023]
Abstract
Novel digital analysis strategies are developed for the quantification of changes in the cytoskeletal and nuclear morphologies of mesenchymal stem cells cultured on micropillars. Severe deformations of nucleus and distinct conformational changes of cell body ranging from extensive elongation to branching are visualized and quantified. These deformations are caused mainly by the dimensions and hydrophilicity of the micropillars.
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Affiliation(s)
- Onur Hasturk
- Graduate Department of Biotechnology; Middle East Technical University (METU); Ankara 06800 Turkey
- BIOMATEN; Center of Excellence in Biomaterials and Tissue Engineering; Middle East Technical University (METU); Ankara 06800 Turkey
| | - Abdullah Sivas
- Institute of Applied Mathematics; Middle East Technical University (METU); Ankara 06800 Turkey
| | - Bulent Karasozen
- Institute of Applied Mathematics; Middle East Technical University (METU); Ankara 06800 Turkey
| | - Utkan Demirci
- Bio-Acoustic-MEMs in Medicine (BAMM) Laboratory; Stanford School of Medicine; Palo Alto CA 94394 USA
| | - Nesrin Hasirci
- Graduate Department of Biotechnology; Middle East Technical University (METU); Ankara 06800 Turkey
- BIOMATEN; Center of Excellence in Biomaterials and Tissue Engineering; Middle East Technical University (METU); Ankara 06800 Turkey
- Department of Chemistry; Middle East Technical University (METU); Ankara 06800 Turkey
| | - Vasif Hasirci
- Graduate Department of Biotechnology; Middle East Technical University (METU); Ankara 06800 Turkey
- BIOMATEN; Center of Excellence in Biomaterials and Tissue Engineering; Middle East Technical University (METU); Ankara 06800 Turkey
- Department of Biological Sciences; Middle East Technical University (METU); Ankara 06800 Turkey
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31
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Azeem A, Marani L, Fuller K, Spanoudes K, Pandit A, Zeugolis D. Influence of Nonsulfated Polysaccharides on the Properties of Electrospun Poly(lactic-co-glycolic acid) Fibers. ACS Biomater Sci Eng 2016; 3:1304-1312. [DOI: 10.1021/acsbiomaterials.6b00206] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. Azeem
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - L. Marani
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - K. Fuller
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - K. Spanoudes
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - A. Pandit
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - D.I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, and ‡Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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32
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Pandit A, Zeugolis DI. Structured substrates and delivery vehicles: trending now in biomedicine. Nanomedicine (Lond) 2016; 11:1489-93. [PMID: 27353654 DOI: 10.2217/nnm.16.47] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland.,Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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33
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Biggs M, Pandit A, Zeugolis DI. 2D imprinted substrates and 3D electrospun scaffolds revolutionize biomedicine. Nanomedicine (Lond) 2016; 11:989-92. [DOI: 10.2217/nnm.16.40] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Affiliation(s)
- Manus Biggs
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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34
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Fuller KP, Gaspar D, Delgado LM, Pandit A, Zeugolis DI. Influence of porosity and pore shape on structural, mechanical and biological properties of poly ϵ-caprolactone electro-spun fibrous scaffolds. Nanomedicine (Lond) 2016; 11:1031-40. [DOI: 10.2217/nnm.16.21] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Background: Electro-spun scaffolds are utilized in a diverse spectrum of clinical targets, with an ever-increasing quantity of work progressing to clinical studies and commercialization. The limited number of conformations in which the scaffolds can be fabricated hampers their wide acceptance in clinical practice. Materials & methods: Herein, we assessed a single-strep fabrication process for predesigned electro-spun scaffold preparation and the ramifications of the introduction of porosity (0, 30, 50, 70%) and pore shape (circle, rhomboid, square) on structural, mechanical (tensile and ball burst) and biological (dermal fibroblast and THP-1) properties. Results: The collector design did not affect the fibrous nature of the scaffold. Modulation of the porosity and pore shape offered control over the mechanical properties of the scaffolds. Neither the porosity nor the pore shape affected cellular (dermal fibroblast and THP-1) response. Conclusion: Overall, herein we provide evidence that electro-spun scaffolds of controlled architecture can be fabricated with fibrous fidelity, adequate mechanical properties and acceptable cytocompatibility for a diverse range of clinical targets.
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Affiliation(s)
- Kieran P Fuller
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Diana Gaspar
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Abhay Pandit
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), National University of Ireland, Galway (NUI Galway), Galway, Ireland
- Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway (NUI Galway), Galway, Ireland
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35
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Integrated Circuit-Based Biofabrication with Common Biomaterials for Probing Cellular Biomechanics. Trends Biotechnol 2016; 34:171-186. [DOI: 10.1016/j.tibtech.2015.11.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 11/03/2015] [Accepted: 11/18/2015] [Indexed: 01/10/2023]
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36
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Palma M, Hardy JG, Tadayyon G, Farsari M, Wind SJ, Biggs MJ. Advances in Functional Assemblies for Regenerative Medicine. Adv Healthc Mater 2015; 4:2500-19. [PMID: 26767738 DOI: 10.1002/adhm.201500412] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 08/16/2015] [Indexed: 12/17/2022]
Abstract
The ability to synthesise bioresponsive systems and selectively active biochemistries using polymer-based materials with supramolecular features has led to a surge in research interest directed towards their development as next generation biomaterials for drug delivery, medical device design and tissue engineering.
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Affiliation(s)
- Matteo Palma
- Department of Chemistry & Biochemistry School of Biological and Chemical Sciences; Queen Mary University of London; London E1 4NS UK
| | - John G. Hardy
- Department of Chemistry; Materials Science Institute; Lancaster University; Lancaster LA1 4YB UK
| | - Ghazal Tadayyon
- Centre for Research in Medical Devices (CURAM); National University of Ireland Galway; Newcastle Road Dangan Ireland
| | - Maria Farsari
- Institute of Electronic Structure and Laser; Crete Greece
| | | | - Manus J. Biggs
- Centre for Research in Medical Devices (CURAM); National University of Ireland Galway; Newcastle Road Dangan Ireland
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37
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Abbah SA, Delgado LM, Azeem A, Fuller K, Shologu N, Keeney M, Biggs MJ, Pandit A, Zeugolis DI. Harnessing Hierarchical Nano- and Micro-Fabrication Technologies for Musculoskeletal Tissue Engineering. Adv Healthc Mater 2015; 4:2488-99. [PMID: 26667589 DOI: 10.1002/adhm.201500004] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 06/24/2015] [Indexed: 12/14/2022]
Abstract
Cells within a tissue are able to perceive, interpret and respond to the biophysical, biomechanical, and biochemical properties of the 3D extracellular matrix environment in which they reside. Such stimuli regulate cell adhesion, metabolic state, proliferation, migration, fate and lineage commitment, and ultimately, tissue morphogenesis and function. Current scaffold fabrication strategies in musculoskeletal tissue engineering seek to mimic the sophistication and comprehensiveness of nature to develop hierarchically assembled 3D implantable devices of different geometric dimensions (nano- to macrometric scales) that will offer control over cellular functions and ultimately achieve functional regeneration. Herein, advances and shortfalls of bottom-up (self-assembly, freeze-drying, rapid prototype, electrospinning) and top-down (imprinting) scaffold fabrication approaches, specific to musculoskeletal tissue engineering, are discussed and critically assessed.
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Affiliation(s)
- Sunny A. Abbah
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Luis M. Delgado
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Ayesha Azeem
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Kieran Fuller
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Naledi Shologu
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Michael Keeney
- Department of Orthopaedic Surgery; Stanford School of Medicine; Stanford University CA USA
| | - Manus J. Biggs
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Abhay Pandit
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
| | - Dimitrios I. Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
- Centre for Research in Medical Devices (CURAM); Biosciences Research Building; National University of Ireland Galway (NUI Galway); Galway Ireland
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English A, Azeem A, Spanoudes K, Jones E, Tripathi B, Basu N, McNamara K, Tofail SAM, Rooney N, Riley G, O'Riordan A, Cross G, Hutmacher D, Biggs M, Pandit A, Zeugolis DI. Substrate topography: A valuable in vitro tool, but a clinical red herring for in vivo tenogenesis. Acta Biomater 2015; 27:3-12. [PMID: 26318365 DOI: 10.1016/j.actbio.2015.08.035] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Revised: 08/22/2015] [Accepted: 08/25/2015] [Indexed: 01/22/2023]
Abstract
Controlling the cell-substrate interactions at the bio-interface is becoming an inherent element in the design of implantable devices. Modulation of cellular adhesion in vitro, through topographical cues, is a well-documented process that offers control over subsequent cellular functions. However, it is still unclear whether surface topography can be translated into a clinically functional response in vivo at the tissue/device interface. Herein, we demonstrated that anisotropic substrates with a groove depth of ∼317nm and ∼1988nm promoted human tenocyte alignment parallel to the underlying topography in vitro. However, the rigid poly(lactic-co-glycolic acid) substrates used in this study upregulated the expression of chondrogenic and osteogenic genes, indicating possible tenocyte trans-differentiation. Of significant importance is that none of the topographies assessed (∼37nm, ∼317nm and ∼1988nm groove depth) induced extracellular matrix orientation parallel to the substrate orientation in a rat patellar tendon model. These data indicate that two-dimensional imprinting technologies are useful tools for in vitro cell phenotype maintenance, rather than for organised neotissue formation in vivo, should multifactorial approaches that consider both surface topography and substrate rigidity be established. STATEMENT OF SIGNIFICANCE Herein, we ventured to assess the influence of parallel groves, ranging from nano- to micro-level, on tenocytes response in vitro and on host response using a tendon and a subcutaneous model. In vitro analysis indicates that anisotropically ordered micro-scale grooves, as opposed to nano-scale grooves, maintain physiological cell morphology. The rather rigid PLGA substrates appeared to induce trans-differentiation towards chondrogenic and/or steogenic lineage, as evidence by TILDA gene analysis. In vivo data in both tendon and subcutaneous models indicate that none of the substrates induced bidirectional host cell and tissue growth. Collective, these observations indicate that two-dimensional imprinting technologies are useful tools for in vitro cell phenotype maintenance, rather than for directional neotissue formation, should multifactorial approaches that consider both surface topography and substrate rigidity be established.
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Affiliation(s)
- Andrew English
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building (BRB), National University of Ireland Galway (NUI Galway), Galway, Ireland; Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland
| | - Ayesha Azeem
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building (BRB), National University of Ireland Galway (NUI Galway), Galway, Ireland; Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland
| | - Kyriakos Spanoudes
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building (BRB), National University of Ireland Galway (NUI Galway), Galway, Ireland; Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland
| | - Eleanor Jones
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Bhawana Tripathi
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin, Ireland
| | - Nandita Basu
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin, Ireland
| | - Karrina McNamara
- Materials and Surface Science Institute (MSSI), Department of Physics and Energy, University of Limerick, Limerick, Ireland
| | - Syed A M Tofail
- Materials and Surface Science Institute (MSSI), Department of Physics and Energy, University of Limerick, Limerick, Ireland
| | | | - Graham Riley
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | | | - Graham Cross
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College Dublin, Dublin, Ireland
| | - Dietmar Hutmacher
- Institute of Health & Biomedical Innovation, Queensland University of Technology, Australia
| | - Manus Biggs
- Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland
| | - Abhay Pandit
- Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland
| | - Dimitrios I Zeugolis
- Regenerative, Modular & Developmental Engineering Laboratory (REMODEL), Biosciences Research Building (BRB), National University of Ireland Galway (NUI Galway), Galway, Ireland; Network of Excellence for Functional Biomaterials (NFB), BRB, NUI Galway, Galway, Ireland; Centre for Research in Medical Devices (CÚRAM), BRB, NUI Galway, Galway, Ireland.
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Ryan CNM, Fuller KP, Larrañaga A, Biggs M, Bayon Y, Sarasua JR, Pandit A, Zeugolis DI. An academic, clinical and industrial update on electrospun, additive manufactured and imprinted medical devices. Expert Rev Med Devices 2015; 12:601-12. [DOI: 10.1586/17434440.2015.1062364] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Affiliation(s)
- Matthew J Dalby
- Centre for Cell Engineering, Institute of Molecular, Cell & Systems Biology, CMVLS, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Manus JP Biggs
- Network of Excellence for Functional Biomaterials, National University of Ireland, Galway, Ireland
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