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Li YY, Ji SF, Fu XB, Jiang YF, Sun XY. Biomaterial-based mechanical regulation facilitates scarless wound healing with functional skin appendage regeneration. Mil Med Res 2024; 11:13. [PMID: 38369464 PMCID: PMC10874556 DOI: 10.1186/s40779-024-00519-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Scar formation resulting from burns or severe trauma can significantly compromise the structural integrity of skin and lead to permanent loss of skin appendages, ultimately impairing its normal physiological function. Accumulating evidence underscores the potential of targeted modulation of mechanical cues to enhance skin regeneration, promoting scarless repair by influencing the extracellular microenvironment and driving the phenotypic transitions. The field of skin repair and skin appendage regeneration has witnessed remarkable advancements in the utilization of biomaterials with distinct physical properties. However, a comprehensive understanding of the underlying mechanisms remains somewhat elusive, limiting the broader application of these innovations. In this review, we present two promising biomaterial-based mechanical approaches aimed at bolstering the regenerative capacity of compromised skin. The first approach involves leveraging biomaterials with specific biophysical properties to create an optimal scarless environment that supports cellular activities essential for regeneration. The second approach centers on harnessing mechanical forces exerted by biomaterials to enhance cellular plasticity, facilitating efficient cellular reprogramming and, consequently, promoting the regeneration of skin appendages. In summary, the manipulation of mechanical cues using biomaterial-based strategies holds significant promise as a supplementary approach for achieving scarless wound healing, coupled with the restoration of multiple skin appendage functions.
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Affiliation(s)
- Ying-Ying Li
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China
| | - Shuai-Fei Ji
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China
| | - Xiao-Bing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China.
| | - Yu-Feng Jiang
- Department of Tissue Regeneration and Wound Repair, Chinese PLA General Hospital, Beijing, 100853, China.
| | - Xiao-Yan Sun
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China.
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2
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Shi Y, Li D, Yi B, Tang H, Xu T, Zhang Y. Physiological cyclic stretching potentiates the cell-cell junctions in vascular endothelial layer formed on aligned fiber substrate. BIOMATERIALS ADVANCES 2024; 157:213751. [PMID: 38219418 DOI: 10.1016/j.bioadv.2023.213751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/11/2023] [Accepted: 12/21/2023] [Indexed: 01/16/2024]
Abstract
In vascular tissue engineering, formation of stable endothelial cell-cell and cell-substrate adhesions is essential for maintaining long-term patency of the tissue-engineered vascular grafts (TEVGs). In this study, sheet-like aligned fibrous substrates of poly(l-lactide-co-caprolactone) (PLCL) were prepared by electrospinning to provide basement membrane-resembling structural support to endothelial cells (ECs). Cyclic stretching at physiological and pathological levels was then applied to human umbilical vein endothelial cells (HUVECs) cultured on chosen fibrous substrate using a force-loading device, from which effects of the cyclic stretching on cell-cell and cell-substrate adhesions were examined. It was found that applying uniaxial 1 Hz cyclic stretch at physiological levels (5 % and 10 % elongation) strengthened the cell-cell junctions, thus leading to improved structural integrity, functional expression and resistance to thrombin-induced damaging impacts in the formed endothelial layer. The cell-cell junctions were disrupted at pathological level (15 % elongation) cyclic stretching, which however facilitated the formation of focal adhesions (FAs) at cell-substrate interface. Mechanistically, the effects of cyclic stretching on endothelial cell-cell and cell-substrate adhesions were identified to be correlated with the RhoA/ROCK signaling pathway. Results from this study highlight the relevance between applying dynamic mechanical stimulation and maintaining the structural integrity of the formed endothelial layer, and implicate a necessity to implement appropriate dynamic mechanical training (i.e., preconditioning) to obtain tissue-engineered blood vessels with long-term patency post-implantation.
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Affiliation(s)
- Yu Shi
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China
| | - Donghong Li
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China
| | - Bingcheng Yi
- School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, China
| | - Han Tang
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China
| | - Tingting Xu
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China
| | - Yanzhong Zhang
- College of Biological Science and Medical Engineering, Donghua University, Shanghai, China; Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Donghua University, Shanghai, China.
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3
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Suarez AC, Hammel JH, Munson JM. Modeling lymphangiogenesis: Pairing in vitro and in vivo metrics. Microcirculation 2023; 30:e12802. [PMID: 36760223 PMCID: PMC10121924 DOI: 10.1111/micc.12802] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 01/20/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023]
Abstract
Lymphangiogenesis is the mechanism by which the lymphatic system develops and expands new vessels facilitating fluid drainage and immune cell trafficking. Models to study lymphangiogenesis are necessary for a better understanding of the underlying mechanisms and to identify or test new therapeutic agents that target lymphangiogenesis. Across the lymphatic literature, multiple models have been developed to study lymphangiogenesis in vitro and in vivo. In vitro, lymphangiogenesis can be modeled with varying complexity, from monolayers to hydrogels to explants, with common metrics for characterizing proliferation, migration, and sprouting of lymphatic endothelial cells (LECs) and vessels. In comparison, in vivo models of lymphangiogenesis often use genetically modified zebrafish and mice, with in situ mouse models in the ear, cornea, hind leg, and tail. In vivo metrics, such as activation of LECs, number of new lymphatic vessels, and sprouting, mirror those most used in vitro, with the addition of lymphatic vessel hyperplasia and drainage. The impacts of lymphangiogenesis vary by context of tissue and pathology. Therapeutic targeting of lymphangiogenesis can have paradoxical effects depending on the pathology including lymphedema, cancer, organ transplant, and inflammation. In this review, we describe and compare lymphangiogenic outcomes and metrics between in vitro and in vivo studies, specifically reviewing only those publications in which both testing formats are used. We find that in vitro studies correlate well with in vivo in wound healing and development, but not in the reproductive tract or the complex tumor microenvironment. Considerations for improving in vitro models are to increase complexity with perfusable microfluidic devices, co-cultures with tissue-specific support cells, the inclusion of fluid flow, and pairing in vitro models of differing complexities. We believe that these changes would strengthen the correlation between in vitro and in vivo outcomes, giving more insight into lymphangiogenesis in healthy and pathological states.
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Affiliation(s)
- Aileen C. Suarez
- Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Department of Biomedical Engineering & Mechanics, Virginia Tech, Blacksburg, VA
| | - Jennifer H. Hammel
- Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Department of Biomedical Engineering & Mechanics, Virginia Tech, Blacksburg, VA
| | - Jennifer M. Munson
- Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA
- Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Department of Biomedical Engineering & Mechanics, Virginia Tech, Blacksburg, VA
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4
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Schieber R, Mas-Moruno C, Lasserre F, Roa JJ, Ginebra MP, Mücklich F, Pegueroles M. Effectiveness of Direct Laser Interference Patterning and Peptide Immobilization on Endothelial Cell Migration for Cardio-Vascular Applications: An In Vitro Study. NANOMATERIALS 2022; 12:nano12071217. [PMID: 35407334 PMCID: PMC9002369 DOI: 10.3390/nano12071217] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 12/12/2022]
Abstract
Endothelial coverage of an exposed cardiovascular stent surface leads to the occurrence of restenosis and late-stent thrombosis several months after implantation. To overcome this difficulty, modification of stent surfaces with topographical or biochemical features may be performed to increase endothelial cells’ (ECs) adhesion and/or migration. This work combines both strategies on cobalt-chromium (CoCr) alloy and studies the potential synergistic effect of linear patterned surfaces that are obtained by direct laser interference patterning (DLIP), coupled with the use of Arg-Gly-Asp (RGD) and Tyr-Ile-Gly-Ser-Arg (YIGSR) peptides. An extensive characterization of the modified surfaces was performed by using AFM, XPS, surface charge, electrochemical analysis and fluorescent methods. The biological response was studied in terms of EC adhesion, migration and proliferation assays. CoCr surfaces were successfully patterned with a periodicity of 10 µm and two different depths, D (≈79 and 762 nm). RGD and YIGSR were immobilized on the surfaces by CPTES silanization. Early EC adhesion was increased on the peptide-functionalized surfaces, especially for YIGSR compared to RGD. High-depth patterns generated 80% of ECs’ alignment within the topographical lines and enhanced EC migration. It is noteworthy that the combined use of the two strategies synergistically accelerated the ECs’ migration and proliferation, proving the potential of this strategy to enhance stent endothelialization.
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Affiliation(s)
- Romain Schieber
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Barcelona East School of Engineering (EEBE), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany, 10-14, 08019 Barcelona, Spain; (R.S.); (C.M.-M.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain;
- Chair of Functional Materials, Faculty of Natural Sciences and Technology, Saarland University, 66123 Saarbrücken, Germany; (F.L.); (F.M.)
| | - Carlos Mas-Moruno
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Barcelona East School of Engineering (EEBE), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany, 10-14, 08019 Barcelona, Spain; (R.S.); (C.M.-M.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain;
| | - Federico Lasserre
- Chair of Functional Materials, Faculty of Natural Sciences and Technology, Saarland University, 66123 Saarbrücken, Germany; (F.L.); (F.M.)
| | - Joan Josep Roa
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain;
- Structural Integrity, Micromechanics and Reliability of Materials Group, Department of Materials Science and Metallurgical Engineering, Barcelona East School of Engineering (EEBE), Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Barcelona East School of Engineering (EEBE), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany, 10-14, 08019 Barcelona, Spain; (R.S.); (C.M.-M.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain;
- Institute for Bioengineering of Catalonia (IBEC), 08028 Barcelona, Spain
| | - Frank Mücklich
- Chair of Functional Materials, Faculty of Natural Sciences and Technology, Saarland University, 66123 Saarbrücken, Germany; (F.L.); (F.M.)
| | - Marta Pegueroles
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Barcelona East School of Engineering (EEBE), Universitat Politècnica de Catalunya (UPC), Av. Eduard Maristany, 10-14, 08019 Barcelona, Spain; (R.S.); (C.M.-M.); (M.-P.G.)
- Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), 08019 Barcelona, Spain;
- Correspondence: ; Tel.: +34-934-054-154
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5
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Dessalles CA, Leclech C, Castagnino A, Barakat AI. Integration of substrate- and flow-derived stresses in endothelial cell mechanobiology. Commun Biol 2021; 4:764. [PMID: 34155305 PMCID: PMC8217569 DOI: 10.1038/s42003-021-02285-w] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 06/02/2021] [Indexed: 02/05/2023] Open
Abstract
Endothelial cells (ECs) lining all blood vessels are subjected to large mechanical stresses that regulate their structure and function in health and disease. Here, we review EC responses to substrate-derived biophysical cues, namely topography, curvature, and stiffness, as well as to flow-derived stresses, notably shear stress, pressure, and tensile stresses. Because these mechanical cues in vivo are coupled and are exerted simultaneously on ECs, we also review the effects of multiple cues and describe burgeoning in vitro approaches for elucidating how ECs integrate and interpret various mechanical stimuli. We conclude by highlighting key open questions and upcoming challenges in the field of EC mechanobiology.
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Affiliation(s)
- Claire A Dessalles
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, Palaiseau, France
| | - Claire Leclech
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, Palaiseau, France
| | - Alessia Castagnino
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, Palaiseau, France
| | - Abdul I Barakat
- LadHyX, CNRS, Ecole polytechnique, Institut polytechnique de Paris, Palaiseau, France.
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6
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Leclech C, Villard C. Cellular and Subcellular Contact Guidance on Microfabricated Substrates. Front Bioeng Biotechnol 2020; 8:551505. [PMID: 33195116 PMCID: PMC7642591 DOI: 10.3389/fbioe.2020.551505] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 09/21/2020] [Indexed: 12/14/2022] Open
Abstract
Topography of the extracellular environment is now recognized as a major biophysical regulator of cell behavior and function. The study of the influence of patterned substrates on cells, named contact guidance, has greatly benefited from the development of micro and nano-fabrication techniques, allowing the emergence of increasingly diverse and elaborate engineered platforms. The purpose of this review is to provide a comprehensive view of the process of contact guidance from cellular to subcellular scales. We first classify and illustrate the large diversity of topographies reported in the literature by focusing on generic cellular responses to diverse topographical cues. Subsequently, and in a complementary fashion, we adopt the opposite approach and highlight cell type-specific responses to classically used topographies (arrays of pillars or grooves). Finally, we discuss recent advances on the key subcellular and molecular players involved in topographical sensing. Throughout the review, we focus particularly on neuronal cells, whose unique morphology and behavior have inspired a large body of studies in the field of topographical sensing and revealed fascinating cellular mechanisms. We conclude by using the current understanding of the cell-topography interactions at different scales as a springboard for identifying future challenges in the field of contact guidance.
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Affiliation(s)
- Claire Leclech
- Hydrodynamics Laboratory, CNRS UMR 7646, Ecole Polytechnique, Palaiseau, France
| | - Catherine Villard
- Physico-Chimie Curie, CNRS UMR 168, Université PSL, Sorbonne Université, Paris, France
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7
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Campbell KT, Silva EA. Biomaterial Based Strategies for Engineering New Lymphatic Vasculature. Adv Healthc Mater 2020; 9:e2000895. [PMID: 32734721 PMCID: PMC8985521 DOI: 10.1002/adhm.202000895] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/08/2020] [Indexed: 12/15/2022]
Abstract
The lymphatic system is essential for tissue regeneration and repair due to its pivotal role in resolving inflammation, immune cell surveillance, lipid transport, and maintaining tissue homeostasis. Loss of functional lymphatic vasculature is directly implicated in a variety of diseases, including lymphedema, obesity, and the progression of cardiovascular diseases. Strategies that stimulate the formation of new lymphatic vessels (lymphangiogenesis) could provide an appealing new approach to reverse the progression of these diseases. However, lymphangiogenesis is relatively understudied and stimulating therapeutic lymphangiogenesis faces challenges in precise control of lymphatic vessel formation. Biomaterial delivery systems could be used to unleash the therapeutic potential of lymphangiogenesis for a variety of tissue regenerative applications due to their ability to achieve precise spatial and temporal control of multiple therapeutics, direct tissue regeneration, and improve the survival of delivered cells. In this review, the authors begin by introducing therapeutic lymphangiogenesis as a target for tissue regeneration, then an overview of lymphatic vasculature will be presented followed by a description of the mechanisms responsible for promoting new lymphatic vessels. Importantly, this work will review and discuss current biomaterial applications for stimulating lymphangiogenesis. Finally, challenges and future directions for utilizing biomaterials for lymphangiogenic based treatments are considered.
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Affiliation(s)
- Kevin T Campbell
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, USA
| | - Eduardo A Silva
- Department of Biomedical Engineering, University of California Davis, Davis, CA, 95616, USA
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8
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Sestito LF, Thomas SN. Biomaterials for Modulating Lymphatic Function in Immunoengineering. ACS Pharmacol Transl Sci 2019; 2:293-310. [PMID: 32259064 DOI: 10.1021/acsptsci.9b00047] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Indexed: 12/13/2022]
Abstract
Immunoengineering is a rapidly growing and interdisciplinary field focused on developing tools to study and understand the immune system, then employing that knowledge to modulate immune response for the treatment of disease. Because of its roles in housing a substantial fraction of the body's lymphocytes, in facilitating immune cell trafficking, and direct immune modulatory functions, among others, the lymphatic system plays multifaceted roles in immune regulation. In this review, the potential for biomaterials to be applied to regulate the lymphatic system and its functions to achieve immunomodulation and the treatment of disease are described. Three related processes-lymphangiogenesis, lymphatic vessel contraction, and lymph node remodeling-are specifically explored. The molecular regulation of each process and their roles in pathologies are briefly outlined, with putative therapeutic targets and the lymphatic remodeling that can result from disease highlighted. Applications of biomaterials that harness these pathways for the treatment of disease via immunomodulation are discussed.
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Affiliation(s)
- Lauren F Sestito
- Wallace H. Coulter Department of Biomedical Engineering, George W. Woodruff School of Mechanical Engineering, and Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, Georgia 30332, United States.,Department of Biomedical Engineering, Emory University, 201 Dowman Drive, Atlanta, Georgia 30322, United States
| | - Susan N Thomas
- Wallace H. Coulter Department of Biomedical Engineering, George W. Woodruff School of Mechanical Engineering, and Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, Georgia 30332, United States.,Department of Biomedical Engineering, Emory University, 201 Dowman Drive, Atlanta, Georgia 30322, United States.,Wallace H. Coulter Department of Biomedical Engineering, George W. Woodruff School of Mechanical Engineering, and Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, Georgia 30332, United States.,Wallace H. Coulter Department of Biomedical Engineering, George W. Woodruff School of Mechanical Engineering, and Parker H. Petit Institute of Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive NW, Atlanta, Georgia 30332, United States.,Winship Cancer Institute, Emory University School of Medicine, 1365-C Clifton Road NW, Atlanta, Georgia 30322, United States
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9
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Jenkins TL, Little D. Synthetic scaffolds for musculoskeletal tissue engineering: cellular responses to fiber parameters. NPJ Regen Med 2019; 4:15. [PMID: 31263573 PMCID: PMC6597555 DOI: 10.1038/s41536-019-0076-5] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Accepted: 05/14/2019] [Indexed: 12/14/2022] Open
Abstract
Tissue engineering often uses synthetic scaffolds to direct cell responses during engineered tissue development. Since cells reside within specific niches of the extracellular matrix, it is important to understand how the matrix guides cell response and then incorporate this knowledge into scaffold design. The goal of this review is to review elements of cell-matrix interactions that are critical to informing and evaluating cellular response on synthetic scaffolds. Therefore, this review examines fibrous proteins of the extracellular matrix and their effects on cell behavior, followed by a discussion of the cellular responses elicited by fiber diameter, alignment, and scaffold porosity of two dimensional (2D) and three dimensional (3D) synthetic scaffolds. Variations in fiber diameter, alignment, and scaffold porosity guide stem cells toward different lineages. Cells generally exhibit rounded morphology on nanofibers, randomly oriented fibers, and low-porosity scaffolds. Conversely, cells exhibit elongated, spindle-shaped morphology on microfibers, aligned fibers, and high-porosity scaffolds. Cells migrate with higher velocities on nanofibers, aligned fibers, and high-porosity scaffolds but migrate greater distances on microfibers, aligned fibers, and highly porous scaffolds. Incorporating relevant biomimetic factors into synthetic scaffolds destined for specific tissue application could take advantage of and further enhance these responses.
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Affiliation(s)
- Thomas Lee Jenkins
- Department of Biomedical Engineering, Purdue University, West Lafayette, IN 47907 USA
| | - Dianne Little
- Department of Biomedical Engineering, Purdue University, West Lafayette, IN 47907 USA
- Department of Basic Medical Sciences, Purdue University, West Lafayette, IN 47907 USA
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10
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Schieber R, Lasserre F, Hans M, Fernández-Yagüe M, Díaz-Ricart M, Escolar G, Ginebra MP, Mücklich F, Pegueroles M. Direct Laser Interference Patterning of CoCr Alloy Surfaces to Control Endothelial Cell and Platelet Response for Cardiovascular Applications. Adv Healthc Mater 2017; 6. [PMID: 28714577 DOI: 10.1002/adhm.201700327] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/02/2017] [Indexed: 11/09/2022]
Abstract
The main drawbacks of cardiovascular bare-metal stents (BMS) are in-stent restenosis and stent thrombosis as a result of an incomplete endothelialization after stent implantation. Nano- and microscale modification of implant surfaces is a strategy to recover the functionality of the artery by stimulating and guiding molecular and biological processes at the implant/tissue interface. In this study, cobalt-chromium (CoCr) alloy surfaces are modified via direct laser interference patterning (DLIP) in order to create linear patterning onto CoCr surfaces with different periodicities (≈3, 10, 20, and 32 µm) and depths (≈20 and 800 nm). Changes in surface topography, chemistry, and wettability are thoroughly characterized before and after modification. Human umbilical vein endothelial cells' adhesion and spreading are similar for all patterned and plain CoCr surfaces. Moreover, high-depth series induce cell elongation, alignment, and migration along the patterned lines. Platelet adhesion and aggregation decrease in all patterned surfaces compared to CoCr control, which is associated with changes in wettability and oxide layer characteristics. Cellular studies provide evidence of the potential of DLIP topographies to foster endothelialization without enhancement of platelet adhesion, which will be of high importance when designing new BMS in the future.
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Affiliation(s)
- Romain Schieber
- Biomaterials, Biomechanics and Tissue Engineering Group; Department of Materials Science and Metallurgical Engineering; Technical University of Catalonia (UPC), EEBE; 08019, Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Centre for Research in NanoEngineering (CRNE); UPC, EEBE; Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Chair of Functional Materials; Faculty of Natural Sciences and Technology; Saarland University; 66123 Saarbrücken Germany
| | - Federico Lasserre
- Chair of Functional Materials; Faculty of Natural Sciences and Technology; Saarland University; 66123 Saarbrücken Germany
| | - Michael Hans
- Chair of Functional Materials; Faculty of Natural Sciences and Technology; Saarland University; 66123 Saarbrücken Germany
| | - Marc Fernández-Yagüe
- Biomaterials, Biomechanics and Tissue Engineering Group; Department of Materials Science and Metallurgical Engineering; Technical University of Catalonia (UPC), EEBE; 08019, Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Centre for Research in NanoEngineering (CRNE); UPC, EEBE; Av. Eduard Maristany 10-14 08019 Barcelona Spain
| | - Maribel Díaz-Ricart
- Hemotherapy-Hemostasis Department; Centre de Diagnòstic Biomèdic; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Hospital Clínic Universitat de Barcelona; 08036 Barcelona Spain
| | - Ginés Escolar
- Hemotherapy-Hemostasis Department; Centre de Diagnòstic Biomèdic; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS); Hospital Clínic Universitat de Barcelona; 08036 Barcelona Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group; Department of Materials Science and Metallurgical Engineering; Technical University of Catalonia (UPC), EEBE; 08019, Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Centre for Research in NanoEngineering (CRNE); UPC, EEBE; Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Institute for Bioengineering of Catalonia (IBEC); 08028 Barcelona Spain
| | - Frank Mücklich
- Chair of Functional Materials; Faculty of Natural Sciences and Technology; Saarland University; 66123 Saarbrücken Germany
| | - Marta Pegueroles
- Biomaterials, Biomechanics and Tissue Engineering Group; Department of Materials Science and Metallurgical Engineering; Technical University of Catalonia (UPC), EEBE; 08019, Av. Eduard Maristany 10-14 08019 Barcelona Spain
- Centre for Research in NanoEngineering (CRNE); UPC, EEBE; Av. Eduard Maristany 10-14 08019 Barcelona Spain
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11
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Grau-Monge C, Delcroix GJR, Bonnin-Marquez A, Valdes M, Awadallah ELM, Quevedo DF, Armour MR, Montero RB, Schiller PC, Andreopoulos FM, D'Ippolito G. Marrow-isolated adult multilineage inducible cells embedded within a biologically-inspired construct promote recovery in a mouse model of peripheral vascular disease. ACTA ACUST UNITED AC 2017; 12:015024. [PMID: 28211362 DOI: 10.1088/1748-605x/aa5a74] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Peripheral vascular disease is one of the major vascular complications in individuals suffering from diabetes and in the elderly that is associated with significant burden in terms of morbidity and mortality. Stem cell therapy is being tested as an attractive alternative to traditional surgery to prevent and treat this disorder. The goal of this study was to enhance the protective and reparative potential of marrow-isolated adult multilineage inducible (MIAMI) cells by incorporating them within a bio-inspired construct (BIC) made of two layers of gelatin B electrospun nanofibers. We hypothesized that the BIC would enhance MIAMI cell survival and engraftment, ultimately leading to a better functional recovery of the injured limb in our mouse model of critical limb ischemia compared to MIAMI cells used alone. Our study demonstrated that MIAMI cell-seeded BIC resulted in a wide range of positive outcomes with an almost full recovery of blood flow in the injured limb, thereby limiting the extent of ischemia and necrosis. Functional recovery was also the greatest when MIAMI cells were combined with BICs, compared to MIAMI cells alone or BICs in the absence of cells. Histology was performed 28 days after grafting the animals to explore the mechanisms at the source of these positive outcomes. We observed that our critical limb ischemia model induces an extensive loss of muscular fibers that are replaced by intermuscular adipose tissue (IMAT), together with a highly disorganized vascular structure. The use of MIAMI cells-seeded BIC prevented IMAT infiltration with some clear evidence of muscular fibers regeneration.
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Affiliation(s)
- Cristina Grau-Monge
- Department of Orthopaedics, University of Miami Miller School of Medicine, FL, United States of America. Geriatric Research, Education, and Clinical Center and Research Service, Bruce W. Carter VAMC, Miami, FL, United States of America
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12
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Zuidema JM, Provenza C, Caliendo T, Dutz S, Gilbert RJ. Magnetic NGF-releasing PLLA/iron oxide nanoparticles direct extending neurites and preferentially guide neurites along aligned electrospun microfibers. ACS Chem Neurosci 2015; 6:1781-8. [PMID: 26322376 DOI: 10.1021/acschemneuro.5b00189] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Nerve growth factor releasing composite nanoparticles (NGF-cNPs) were developed to direct the extension of neurite outgrowth from dorsal root ganglia (DRG). Iron oxide magnetic nanoparticles were incorporated into poly-l-lactic acid (PLLA) nanoparticles in order to position the NGF-cNPs in a culture dish. Neurites growing from DRG extended toward the NGF released from the NGF-cNPs. DRG were then cultured on aligned PLLA microfibers in the presence of NGF-cNPs, and these biomaterials combined to align DRG neurite extension along one axis and preferentially toward the NGF-cNPs. This combinatorial biomaterial approach shows promise as a strategy to direct the extension of regenerating neurites.
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Affiliation(s)
- Jonathan M. Zuidema
- Department
of Chemistry and Biochemistry, University of California—San Diego, La Jolla, California 92093, United States
| | | | | | - Silvio Dutz
- Institute
of Biomedical Engineering and Informatics (BMTI), Technische Universität Ilmenau, G-Kirchhoff-Str. 2, D-98693 Ilmenau, Germany
- Department
of Nano Biophotonics, Leibniz Institute of Photonic Technology (IPHT), A.-Einstein-Str. 9, D-07745 Jena, Germany
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13
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McLane JS, Rivet CJ, Gilbert RJ, Ligon LA. A biomaterial model of tumor stromal microenvironment promotes mesenchymal morphology but not epithelial to mesenchymal transition in epithelial cells. Acta Biomater 2014; 10:4811-4821. [PMID: 25058401 DOI: 10.1016/j.actbio.2014.07.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 07/11/2014] [Accepted: 07/14/2014] [Indexed: 12/13/2022]
Abstract
The stromal tissue surrounding most carcinomas is comprised of an extracellular matrix densely packed with collagen-I fibers, which are often highly aligned in metastatic disease. Here we developed an in vitro model to test the effect of an aligned fibrous environment on cancer cell morphology and behavior, independent of collagen ligand presentation. We grew cells on a biomimetic surface of aligned electrospun poly-l-lactic acid (PLLA) fibers and then examined the effect of this environment on growth rate, morphology, cytoskeletal organization, biochemical and genetic markers of epithelial to mesenchymal transition (EMT), cell surface adhesion, and cell migration. We grew a phenotypically normal breast epithelial cell line (MCF10A) and an invasive breast cancer cell line (MDA-MB-231) on three different substrates: typical flat culture surface (glass or plastic), flat PLLA (glass coated with PLLA) or electrospun PLLA fibers. Cells of both types adopted a more mesenchymal morphology when grown on PLLA fibers, and this effect was exaggerated in the more metastatic-like MDA-MB-231 cells. However, neither cell type underwent the changes in gene expression indicative of EMT despite the changes in cell shape, nor did they exhibit the decreased adhesive strength or increased migration typical of metastatic cells. These results suggest that changes in cell morphology alone do not promote a more mesenchymal phenotype and consequently that the aligned fibrous environment surrounding epithelial cancers may not promote EMT solely through topographical cues.
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Affiliation(s)
- Joshua S McLane
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA; Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA
| | - Christopher J Rivet
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA; Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA
| | - Ryan J Gilbert
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA; Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA
| | - Lee A Ligon
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA; Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA.
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14
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Montero RB, Vazquez-Padron RI, Pham SM, D’Ippolito G, Andreopoulos FM. Electrospun Gelatin Constructs with Tunable Fiber Orientation Promote Directed Angiogenesis. ACTA ACUST UNITED AC 2014. [DOI: 10.4236/ojrm.2014.31001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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15
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Shi X, Zhao Y, Zhou J, Chen S, Wu H. One-step generation of engineered drug-laden poly(lactic-co-glycolic acid) micropatterned with Teflon chips for potential application in tendon restoration. ACS APPLIED MATERIALS & INTERFACES 2013; 5:10583-10590. [PMID: 24111820 DOI: 10.1021/am402388k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Regulating cellular behaviors such as cellular spatial arrangement and cellular phenotype is critical for managing tissue microstructure and biological function for engineered tissue regeneration. We herein pattern drug-laden poly(lactic-co-glycolic acid) (PLGA) into grooves using novel Teflon stamps (that possess excellent properties of resistance to harsh organic solvents and molecular adsorption) for engineered tendon-repair therapeutics. The drug release and biological properties of melatonin-laden PLGA grooved micropatterns are investigated. The results reveal that fibroblasts cultured on the melatonin-laden PLGA groove micropatterns not only display significant cell alignment that mimics the cell behavior in native tendon, but also promote the secretion of a major extracellular matrix in tendon, type I collagen, indicating great potential for the engineering of functional tendon regeneration.
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Affiliation(s)
- Xuetao Shi
- WPI Advanced Institute for Materials Research, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
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16
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The modulation of endothelial cell morphology, function, and survival using anisotropic nanofibrillar collagen scaffolds. Biomaterials 2013; 34:4038-4047. [PMID: 23480958 DOI: 10.1016/j.biomaterials.2013.02.036] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 02/12/2013] [Indexed: 01/06/2023]
Abstract
Endothelial cells (ECs) are aligned longitudinally under laminar flow, whereas they are polygonal and poorly aligned in regions of disturbed flow. The unaligned ECs in disturbed flow fields manifest altered function and reduced survival that promote lesion formation. We demonstrate that the alignment of the ECs may directly influence their biology, independent of fluid flow. We developed aligned nanofibrillar collagen scaffolds that mimic the structure of collagen bundles in blood vessels, and examined the effects of these materials on EC alignment, function, and in vivo survival. ECs cultured on 30-nm diameter aligned fibrils re-organized their F-actin along the nanofibril direction, and were 50% less adhesive for monocytes than the ECs grown on randomly oriented fibrils. After EC transplantation into both subcutaneous tissue and the ischemic hindlimb, EC viability was enhanced when ECs were cultured and implanted on aligned nanofibrillar scaffolds, in contrast to non-patterned scaffolds. ECs derived from human induced pluripotent stem cells and cultured on aligned scaffolds also persisted for over 28 days, as assessed by bioluminescence imaging, when implanted in ischemic tissue. By contrast, ECs implanted on scaffolds without nanopatterning generated no detectable bioluminescent signal by day 4 in either normal or ischemic tissues. We demonstrate that 30-nm aligned nanofibrillar collagen scaffolds guide cellular organization, modulate endothelial inflammatory response, and enhance cell survival after implantation in normal and ischemic tissues.
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17
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Blei F. Literature Watch. Lymphat Res Biol 2011. [DOI: 10.1089/lrb.2011.9103] [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] Open
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