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Wang Y, Vizely K, Li CY, Shen K, Shakeri A, Khosravi R, Smith JR, Alteza EAII, Zhao Y, Radisic M. Biomaterials for immunomodulation in wound healing. Regen Biomater 2024; 11:rbae032. [PMID: 38779347 PMCID: PMC11110865 DOI: 10.1093/rb/rbae032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 05/25/2024] Open
Abstract
The substantial economic impact of non-healing wounds, scarring, and burns stemming from skin injuries is evident, resulting in a financial burden on both patients and the healthcare system. This review paper provides an overview of the skin's vital role in guarding against various environmental challenges as the body's largest protective organ and associated developments in biomaterials for wound healing. We first introduce the composition of skin tissue and the intricate processes of wound healing, with special attention to the crucial role of immunomodulation in both acute and chronic wounds. This highlights how the imbalance in the immune response, particularly in chronic wounds associated with underlying health conditions such as diabetes and immunosuppression, hinders normal healing stages. Then, this review distinguishes between traditional wound-healing strategies that create an optimal microenvironment and recent peptide-based biomaterials that modulate cellular processes and immune responses to facilitate wound closure. Additionally, we highlight the importance of considering the stages of wounds in the healing process. By integrating advanced materials engineering with an in-depth understanding of wound biology, this approach holds promise for reshaping the field of wound management and ultimately offering improved outcomes for patients with acute and chronic wounds.
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Affiliation(s)
- Ying Wang
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Katrina Vizely
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
| | - Chen Yu Li
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
| | - Karen Shen
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Amid Shakeri
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Ramak Khosravi
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
- Division of Cardiovascular and Thoracic Surgery, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA
| | - James Ryan Smith
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | | | - Yimu Zhao
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, ON M5G 2C4 Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
- Terrence Donnelly Centre for Cellular & Biomolecular Research, University of Toronto, Toronto, ON M5S 3E1, Canada
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Fan C, He J, Xu S, Yan J, Jin L, Dai J, Hu B. Advances in biomaterial-based cardiac organoids. BIOMATERIALS ADVANCES 2023; 153:213502. [PMID: 37352743 DOI: 10.1016/j.bioadv.2023.213502] [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: 02/16/2023] [Revised: 05/27/2023] [Accepted: 06/05/2023] [Indexed: 06/25/2023]
Abstract
Cardiovascular disease (CVD) is one of the important causes of death worldwide. The incidence and mortality rates are increasing annually with the intensification of social aging. The efficacy of drug therapy is limited in individuals suffering from severe heart failure due to the inability of myocardial cells to undergo regeneration and the challenging nature of cardiac tissue repair following injury. Consequently, surgical transplantation stands as the most efficient approach for treatment. Nevertheless, the shortage of donors and the considerable number of heart failure patients worldwide, estimated at 26 million, results in an alarming treatment deficit, with only around 5000 heart transplants feasible annually. The existing major alternatives, such as mechanical or xenogeneic hearts, have significant flaws, such as high cost and rejection, and are challenging to implement for large-scale, long-term use. An organoid is a three-dimensional (3D) cell tissue that mimics the characteristics of an organ. The critical application has been rated in annual biotechnology by authoritative journals, such as Science and Cell. Related industries have achieved rapid growth in recent years. Based on this technology, cardiac organoids are expected to pave the way for viable heart repair and treatment and play an essential role in pathological research, drug screening, and other areas. This review centers on the examination of biomaterials employed in cardiac repair, strategies employed for the reconstruction of cardiac structure and function, clinical investigations pertaining to cardiac repair, and the prospective applications of cardiac organoids. From basic research to clinical practice, the current status, latest progress, challenges, and prospects of biomaterial-based cardiac repair are summarized and discussed, providing a reference for future exploration and development of cardiac regeneration strategies.
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Affiliation(s)
- Caixia Fan
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China.
| | - Jiaxiong He
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China.
| | - Sijia Xu
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China
| | - Junyan Yan
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China.
| | - Lifang Jin
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China.
| | - Jianwu Dai
- State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100080, China.
| | - Baowei Hu
- School of Life and Environmental Sciences, Shaoxing University, Shaoxing 312000, Zhejiang, China.
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English EJ, Samolyk BL, Gaudette GR, Pins GD. Micropatterned fibrin scaffolds increase cardiomyocyte alignment and contractility for the fabrication of engineered myocardial tissue. J Biomed Mater Res A 2023; 111:1309-1321. [PMID: 36932841 PMCID: PMC11128133 DOI: 10.1002/jbm.a.37530] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 02/09/2023] [Accepted: 03/01/2023] [Indexed: 03/19/2023]
Abstract
Cardiovascular disease is the leading cause of death in the United States, which can result in blockage of a coronary artery, triggering a myocardial infarction (MI), scar tissue formation in the myocardium, and ultimately heart failure. Currently, the gold-standard solution for total heart failure is a heart transplantation. An alternative to total-organ transplantation is surgically remodeling the ventricle with the implantation of a cardiac patch. Acellular cardiac patches have previously been investigated using synthetic or decellularized native materials to improve cardiac function. However, a limitation of this strategy is that acellular cardiac patches only reshape the ventricle and do not increase cardiac contractile function. Toward the development of a cardiac patch, our laboratory previously developed a cell-populated composite fibrin scaffold and aligned microthreads to recapitulate the mechanical properties of native myocardium. In this study, we explore micropatterning the surfaces of fibrin gels to mimic anisotropic native tissue architecture and promote cellular alignment of human induced pluripotent stem cell cardiomyocytes (hiPS-CM), which is crucial for increasing scaffold contractile properties. hiPS-CMs seeded on micropatterned surfaces exhibit cellular elongation, distinct sarcomere alignment, and circumferential connexin-43 staining at 14 days of culture, which are necessary for mature contractile properties. Constructs were also subject to electrical stimulation during culture to promote increased contractile properties. After 7 days of stimulation, contractile strains of micropatterned constructs were significantly higher than unpatterned controls. These results suggest that the use of micropatterned topographic cues on fibrin scaffolds may be a promising strategy for creating engineered cardiac tissue.
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Affiliation(s)
- Elizabeth J. English
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Tessera Therapeutics, Somerville, Massachusetts, USA
| | - Bryanna L. Samolyk
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
| | - Glenn R. Gaudette
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
- Department of Engineering, Boston College, Newton, Massachusetts, USA
| | - George D. Pins
- Biomedical Engineering Department, Worcester Polytechnic Institute, Worcester, Massachusetts, USA
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Trossmann VT, Scheibel T. Design of Recombinant Spider Silk Proteins for Cell Type Specific Binding. Adv Healthc Mater 2022; 12:e2202660. [PMID: 36565209 DOI: 10.1002/adhm.202202660] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/19/2022] [Indexed: 12/25/2022]
Abstract
Cytophilic (cell-adhesive) materials are very important for tissue engineering and regenerative medicine. However, for engineering hierarchically organized tissue structures comprising different cell types, cell-specific attachment and guidance are decisive. In this context, materials made of recombinant spider silk proteins are promising scaffolds, since they exhibit high biocompatibility, biodegradability, and the underlying proteins can be genetically functionalized. Here, previously established spider silk variants based on the engineered Araneus diadematus fibroin 4 (eADF4(C16)) are genetically modified with cell adhesive peptide sequences from extracellular matrix proteins, including IKVAV, YIGSR, QHREDGS, and KGD. Interestingly, eADF4(C16)-KGD as one of 18 tested variants is cell-selective for C2C12 mouse myoblasts, one out of 11 tested cell lines. Co-culturing with B50 rat neuronal cells confirms the cell-specificity of eADF4(C16)-KGD material surfaces for C2C12 mouse myoblast adhesion.
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Affiliation(s)
- Vanessa Tanja Trossmann
- Chair of Biomaterials, Engineering Faculty, University of Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447, Bayreuth, Germany
| | - Thomas Scheibel
- Chair of Biomaterials, Engineering Faculty, University of Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447, Bayreuth, Germany.,Bayreuth Center for Colloids and Interfaces (BZKG), Bavarian Polymer Institute (BPI), Bayreuth Center for Molecular Biosciences (BZMB), Bayreuth Center for Material Science (BayMAT), University of Bayreuth, Universitätsstraße 30, 95447, Bayreuth, Germany
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5
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Integrin-specific hydrogels for growth factor-free vasculogenesis. NPJ Regen Med 2022; 7:57. [PMID: 36167724 PMCID: PMC9515164 DOI: 10.1038/s41536-022-00253-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 09/12/2022] [Indexed: 11/30/2022] Open
Abstract
Integrin-binding biomaterials have been extensively evaluated for their capacity to enable de novo formation of capillary-like structures/vessels, ultimately supporting neovascularization in vivo. Yet, the role of integrins as vascular initiators in engineered materials is still not well understood. Here, we show that αvβ3 integrin-specific 3D matrices were able to retain PECAM1+ cells from the stromal vascular fraction (SVF) of adipose tissue, triggering vasculogenesis in vitro in the absence of extrinsic growth factors. Our results suggest that αvβ3-RGD-driven signaling in the formation of capillary-like structures prevents the activation of the caspase 8 pathway and activates the FAK/paxillin pathway, both responsible for endothelial cells (ECs) survival and migration. We also show that prevascularized αvβ3 integrin-specific constructs inosculate with the host vascular system fostering in vivo neovascularization. Overall, this work demonstrates the ability of the biomaterial to trigger vasculogenesis in an integrin-specific manner, by activating essential pathways for EC survival and migration within a self-regulatory growth factor microenvironment. This strategy represents an improvement to current vascularization routes for Tissue Engineering constructs, potentially enhancing their clinical applicability.
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Sparks HD, Mandla S, Vizely K, Rosin N, Radisic M, Biernaskie J. Application of an instructive hydrogel accelerates re-epithelialization of xenografted human skin wounds. Sci Rep 2022; 12:14233. [PMID: 35987767 PMCID: PMC9392759 DOI: 10.1038/s41598-022-18204-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/08/2022] [Indexed: 11/27/2022] Open
Abstract
Poor quality (eg. excessive scarring) or delayed closure of skin wounds can have profound physical and pyschosocial effects on patients as well as pose an enormous economic burden on the healthcare system. An effective means of improving both the rate and quality of wound healing is needed for all patients suffering from skin injury. Despite wound care being a multi-billion-dollar industry, effective treatments aimed at rapidly restoring the skin barrier function or mitigating the severity of fibrotic scar remain elusive. Previously, a hydrogel conjugated angiopoietin-1 derived peptide (QHREDGS; Q-peptide) was shown to increase keratinocyte migration and improve wound healing in diabetic mice. Here, we evaluated the effect of this Q-Peptide Hydrogel on human skin wound healing using a mouse xenograft model. First, we confirmed that the Q-Peptide Hydrogel promoted the migration of adult human keratinocytes and modulated their cytokine profile in vitro. Next, utilizing our human to mouse split-thickness skin xenograft model, we found improved healing of wounded human epidermis following Q-Peptide Hydrogel treatment. Importantly, Q-Peptide Hydrogel treatment enhanced this wound re-epithelialization via increased keratinocyte migration and survival, rather than a sustained increase in proliferation. Overall, these data provide strong evidence that topical application of QHREDGS peptide-modified hydrogels results in accelerated wound closure that may lead to improved outcomes for patients.
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Affiliation(s)
- Holly D Sparks
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Serena Mandla
- Toronto General Research Institute, University of Toronto, Toronto, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada
| | - Katrina Vizely
- Toronto General Research Institute, University of Toronto, Toronto, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Canada
| | - Nicole Rosin
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Milica Radisic
- Toronto General Research Institute, University of Toronto, Toronto, Canada.
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada.
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Canada.
| | - Jeff Biernaskie
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada.
- Alberta Children's Hospital Research Institute, Calgary, AB, Canada.
- Hotchkiss Brain Institute, Calgary, AB, Canada.
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7
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Lu RXZ, Lai BFL, Rafatian N, Gustafson D, Campbell SB, Banerjee A, Kozak R, Mossman K, Mubareka S, Howe KL, Fish JE, Radisic M. Vasculature-on-a-chip platform with innate immunity enables identification of angiopoietin-1 derived peptide as a therapeutic for SARS-CoV-2 induced inflammation. LAB ON A CHIP 2022; 22:1171-1186. [PMID: 35142777 PMCID: PMC9207819 DOI: 10.1039/d1lc00817j] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Coronavirus disease 2019 (COVID-19) was primarily identified as a novel disease causing acute respiratory syndrome. However, as the pandemic progressed various cases of secondary organ infection and damage by severe respiratory syndrome coronavirus 2 (SARS-CoV-2) have been reported, including a breakdown of the vascular barrier. As SARS-CoV-2 gains access to blood circulation through the lungs, the virus is first encountered by the layer of endothelial cells and immune cells that participate in host defense. Here, we developed an approach to study SARS-CoV-2 infection using vasculature-on-a-chip. We first modeled the interaction of virus alone with the endothelialized vasculature-on-a-chip, followed by the studies of the interaction of the virus exposed-endothelial cells with peripheral blood mononuclear cells (PBMCs). In an endothelial model grown on a permeable microfluidic bioscaffold under flow conditions, both human coronavirus (HCoV)-NL63 and SARS-CoV-2 presence diminished endothelial barrier function by disrupting VE-cadherin junctions and elevating the level of pro-inflammatory cytokines such as interleukin (IL)-6, IL-8, and angiopoietin-2. Inflammatory cytokine markers were markedly more elevated upon SARS-CoV-2 infection compared to HCoV-NL63 infection. Introduction of PBMCs with monocytes into the vasculature-on-a-chip upon SARS-CoV-2 infection further exacerbated cytokine-induced endothelial dysfunction, demonstrating the compounding effects of inter-cellular crosstalk between endothelial cells and monocytes in facilitating the hyperinflammatory state. Considering the harmful effects of SARS-CoV-2 on endothelial cells, even without active virus proliferation inside the cells, a potential therapeutic approach is critical. We identified angiopoietin-1 derived peptide, QHREDGS, as a potential therapeutic capable of profoundly attenuating the inflammatory state of the cells consistent with the levels in non-infected controls, thereby improving the barrier function and endothelial cell survival against SARS-CoV-2 infection in the presence of PBMC.
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Affiliation(s)
- Rick Xing Ze Lu
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada.
| | - Benjamin Fook Lun Lai
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada.
| | - Naimeh Rafatian
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada.
| | - Dakota Gustafson
- Laboratory Medicine & Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, M5G 2C4, Canada
| | - Scott B Campbell
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada.
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, M5G 2C4, Canada
| | - Arinjay Banerjee
- McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, L8S 4L8, Canada
- Vaccine and Infectious Disease Organization, University of Saskatchewan, Saskatoon, Saskatchewan, S7N5E3, Canada
| | - Robert Kozak
- McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, L8S 4L8, Canada
| | - Karen Mossman
- McMaster Immunology Research Centre, McMaster University, Hamilton, Ontario, L8S 4L8, Canada
| | - Samira Mubareka
- Sunnybrook Health Sciences Center, Toronto, Ontario, M4N 3M5, Canada
| | - Kathryn L Howe
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, M5G 2C4, Canada
- Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada
| | - Jason E Fish
- Laboratory Medicine & Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, M5G 2C4, Canada
- Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada
| | - Milica Radisic
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9, Canada.
- Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, M5G 2C4, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, M5S 3E5, Canada
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8
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Pérez LA, Leyton L, Valdivia A. Thy-1 (CD90), Integrins and Syndecan 4 are Key Regulators of Skin Wound Healing. Front Cell Dev Biol 2022; 10:810474. [PMID: 35186924 PMCID: PMC8851320 DOI: 10.3389/fcell.2022.810474] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 01/06/2022] [Indexed: 12/12/2022] Open
Abstract
Acute skin wound healing is a multistage process consisting of a plethora of tightly regulated signaling events in specialized cells. The Thy-1 (CD90) glycoprotein interacts with integrins and the heparan sulfate proteoglycan syndecan 4, generating a trimolecular complex that triggers bi-directional signaling to regulate diverse aspects of the wound healing process. These proteins can act either as ligands or receptors, and they are critical for the successful progression of wound healing. The expression of Thy-1, integrins, and syndecan 4 is controlled during the healing process, and the lack of expression of any of these proteins results in delayed wound healing. Here, we review and discuss the roles and regulatory events along the stages of wound healing that support the relevance of Thy-1, integrins, and syndecan 4 as crucial regulators of skin wound healing.
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Affiliation(s)
- Leonardo A. Pérez
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences, Universidad de Chile, Santiago, Chile
- Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Lisette Leyton
- Cellular Communication Laboratory, Program of Cellular & Molecular Biology, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences, Universidad de Chile, Santiago, Chile
- Faculty of Medicine, Universidad de Chile, Santiago, Chile
- *Correspondence: Lisette Leyton, ; Alejandra Valdivia,
| | - Alejandra Valdivia
- Division of Cardiology, Department of Medicine, Emory University, Atlanta, GA, United States
- *Correspondence: Lisette Leyton, ; Alejandra Valdivia,
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9
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Guan G, Qizhuang Lv, Liu S, Jiang Z, Zhou C, Liao W. 3D-bioprinted peptide coupling patches for wound healing. Mater Today Bio 2022; 13:100188. [PMID: 34977527 PMCID: PMC8683759 DOI: 10.1016/j.mtbio.2021.100188] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/06/2021] [Accepted: 12/10/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic wounds caused by severe trauma remain a serious challenge for clinical treatment. In this study, we developed a novel angiogenic 3D-bioprinted peptide patch to improve skin wound healing. The 3D-bioprinted technology can fabricate individual patches according to the shape characteristics of the damaged tissue. Gelatin methacryloyl (GelMA) and hyaluronic acid methacryloyl (HAMA) have excellent biocompatibility and biodegradability, and were used as a biomaterial to produce bioprinted patches. The pro-angiogenic QHREDGS peptide was covalently conjugated to the 3D-bioprinted GelMA/HAMA patches, extending the release of QHREDGS and improving the angiogenic properties of the patch. Our results demonstrated that these 3D-bioprinted peptide patches showed excellent biocompatibility, angiogenesis, and tissue repair both in vivo and in vitro. These findings indicated that 3D-bioprinted peptide patches improved skin wound healing and could be used in other tissue engineering applications.
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Affiliation(s)
- Gaopeng Guan
- Clinical Medical College Jiujiang University Hospital, Jiujiang University, Jiujiang, 332000, Jiangxi, China
| | - Qizhuang Lv
- College of Biology & Pharmacy, Yulin Normal University, Yulin, 537000, Guangxi, China
| | - Shengyuan Liu
- Longyan People Hospital of Fujian, Pneumology Department, Longlan, 361000, Fujian, China
| | - Zhenzhen Jiang
- Clinical Medical College Jiujiang University Hospital, Jiujiang University, Jiujiang, 332000, Jiangxi, China
| | - Chunxia Zhou
- Clinical Medical College Jiujiang University Hospital, Jiujiang University, Jiujiang, 332000, Jiangxi, China
| | - Weifang Liao
- Clinical Medical College Jiujiang University Hospital, Jiujiang University, Jiujiang, 332000, Jiangxi, China
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10
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11
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Han C, Zhang Z, Sun J, Li K, Li Y, Ren C, Meng Q, Yang J. Self-Assembling Peptide-Based Hydrogels in Angiogenesis. Int J Nanomedicine 2020; 15:10257-10269. [PMID: 33364757 PMCID: PMC7751603 DOI: 10.2147/ijn.s277046] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 10/22/2020] [Indexed: 12/22/2022] Open
Abstract
Ischemic diseases, especially in the heart and the brain, have become a serious threat to human health. Growth factor and cell therapy are emerging as promising therapeutic strategies; however, their retention and sustainable functions in the injured tissue are limited. Self-assembling peptide (SAP)-based hydrogels, mimicking the extracellular matrix, are therefore introduced to encapsulate and controllably release cells, cell-derived exosomes or growth factors, thus promoting angiogenesis and tissue recovery after ischemia. We will summarize the classification, composition and structure of SAPs, and the influencing factors for SAP gelation. Moreover, we will describe the functionalized SAPs, and the combinatorial therapy of cells, exosomes or growth factors with functionalized SAPs for angiogenic process as well as its advantage in immunogenicity and injectability. Finally, an outlook on future directions and challenges is provided.
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Affiliation(s)
- Chaoshan Han
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Zhiwei Zhang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Soochow University, Suzhou 215006, People's Republic of China
| | - Jiacheng Sun
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Ke Li
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Soochow University, Suzhou 215006, People's Republic of China
| | - Yangxin Li
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou 215006, People's Republic of China
| | - Chuanlu Ren
- Department of Clinical Laboratory, The 904th Hospital of the People's Liberation Army, Wuxi 214044, People's Republic of China
| | - Qingyou Meng
- Department of Cardiovascular Surgery of the First Affiliated Hospital & Institute for Cardiovascular Science, Soochow University, Suzhou 215006, People's Republic of China
| | - Junjie Yang
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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12
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Hayashi SI, Rakugi H, Morishita R. Insight into the Role of Angiopoietins in Ageing-Associated Diseases. Cells 2020; 9:E2636. [PMID: 33302426 PMCID: PMC7762563 DOI: 10.3390/cells9122636] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Angiopoietin (Ang) and its receptor, TIE signaling, contribute to the development and maturation of embryonic vasculature as well as vascular remodeling and permeability in adult tissues. Targeting both this signaling pathway and the major pathway with vascular endothelial growth factor (VEGF) is expected to permit clinical applications, especially in antiangiogenic therapies against tumors. Several drugs targeting the Ang-TIE signaling pathway in cancer patients are under clinical development. Similar to how cancer increases with age, unsuitable angiogenesis or endothelial dysfunction is often seen in other ageing-associated diseases (AADs) such as atherosclerosis, Alzheimer's disease, type 2 diabetes, chronic kidney disease and cardiovascular diseases. Thus, the Ang-TIE pathway is a possible molecular target for AAD therapy. In this review, we focus on the potential role of the Ang-TIE signaling pathway in AADs, especially non-cancer-related AADs. We also suggest translational insights and future clinical applications of this pathway in those AADs.
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Affiliation(s)
- Shin-ichiro Hayashi
- Department of Clinical Gene Therapy, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
| | - Hiromi Rakugi
- Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan;
| | - Ryuichi Morishita
- Department of Clinical Gene Therapy, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan
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Hedegaard CL, Redondo-Gómez C, Tan BY, Ng KW, Loessner D, Mata A. Peptide-protein coassembling matrices as a biomimetic 3D model of ovarian cancer. SCIENCE ADVANCES 2020; 6:eabb3298. [PMID: 33008910 PMCID: PMC7852381 DOI: 10.1126/sciadv.abb3298] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 08/20/2020] [Indexed: 05/04/2023]
Abstract
Bioengineered three-dimensional (3D) matrices expand our experimental repertoire to study tumor growth and progression in a biologically relevant, yet controlled, manner. Here, we used peptide amphiphiles (PAs) to coassemble with and organize extracellular matrix (ECM) proteins producing tunable 3D models of the tumor microenvironment. The matrix was designed to mimic physical and biomolecular features of tumors present in patients. We included specific epitopes, PA nanofibers, and ECM macromolecules for the 3D culture of human ovarian cancer, endothelial, and mesenchymal stem cells. The multicellular constructs supported the formation of tumor spheroids with extensive F-actin networks surrounding the spheroids, enabling cell-cell communication, and comparative cell-matrix interactions and encapsulation response to those observed in Matrigel. We conducted a proof-of-concept study with clinically used chemotherapeutics to validate the functionality of the multicellular constructs. Our study demonstrates that peptide-protein coassembling matrices serve as a defined model of the multicellular tumor microenvironment of primary ovarian tumors.
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Affiliation(s)
- Clara Louise Hedegaard
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, E1 4NS London, UK
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, E1 4NS London, UK
| | - Carlos Redondo-Gómez
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, E1 4NS London, UK
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, E1 4NS London, UK
| | - Bee Yi Tan
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Kee Woei Ng
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
- Environmental Chemistry and Materials Centre, Nanyang Environment & Water Research Institute, Singapore 637141, Singapore
- Skin Research Institute of Singapore, Singapore 138648, Singapore
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Harvard University, Boston, MA 02115, USA
| | - Daniela Loessner
- Centre for Tumour Microenvironment, Barts Cancer Institute, Queen Mary University of London, EC1M 6BQ London, UK
- Department of Chemical Engineering and Department of Materials Science and Engineering, Faculty of Engineering, Monash University, Melbourne, VIC 3800, Australia
- Department of Anatomy and Developmental Biology, Faculty of Medicine, Monash University, Melbourne, VIC 3800, Australia
| | - Alvaro Mata
- School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, E1 4NS London, UK.
- Institute of Bioengineering, Queen Mary University of London, Mile End Road, E1 4NS London, UK
- School of Pharmacy, University of Nottingham, NG7 2RD Nottingham, UK
- Department of Chemical and Environmental Engineering, University of Nottingham, NG7 2RD Nottingham, UK
- Biodiscovery Institute, University of Nottingham, NG7 2RD Nottingham, UK
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14
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Hosoyama K, Lazurko C, Muñoz M, McTiernan CD, Alarcon EI. Peptide-Based Functional Biomaterials for Soft-Tissue Repair. Front Bioeng Biotechnol 2019; 7:205. [PMID: 31508416 PMCID: PMC6716508 DOI: 10.3389/fbioe.2019.00205] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 08/09/2019] [Indexed: 11/15/2022] Open
Abstract
Synthetically derived peptide-based biomaterials are in many instances capable of mimicking the structure and function of their full-length endogenous counterparts. Combine this with the fact that short mimetic peptides are easier to produce when compared to full length proteins, show enhanced processability and ease of modification, and have the ability to be prepared under well-defined and controlled conditions; it becomes obvious why there has been a recent push to develop regenerative biomaterials from these molecules. There is increasing evidence that the incorporation of peptides within regenerative scaffolds can result in the generation of structural recognition motifs that can enhance cell attachment or induce cell signaling pathways, improving cell infiltration or promote a variety of other modulatory biochemical responses. By highlighting the current approaches in the design and application of short mimetic peptides, we hope to demonstrate their potential in soft-tissue healing while at the same time drawing attention to the advances made to date and the problems which need to be overcome to advance these materials to the clinic for applications in heart, skin, and cornea repair.
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Affiliation(s)
- Katsuhiro Hosoyama
- Division of Cardiac Surgery Research, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Caitlin Lazurko
- Division of Cardiac Surgery Research, University of Ottawa Heart Institute, Ottawa, ON, Canada.,Biochemistry, Microbiology and Immunology Department, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Marcelo Muñoz
- Division of Cardiac Surgery Research, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Christopher D McTiernan
- Division of Cardiac Surgery Research, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Emilio I Alarcon
- Division of Cardiac Surgery Research, University of Ottawa Heart Institute, Ottawa, ON, Canada.,Biochemistry, Microbiology and Immunology Department, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
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15
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Cai H, Wu FY, Wang QL, Xu P, Mou FF, Shao SJ, Luo ZR, Zhu J, Xuan SS, Lu R, Guo HD. Self‐assembling peptide modified with QHREDGS as a novel delivery system for mesenchymal stem cell transplantation after myocardial infarction. FASEB J 2019; 33:8306-8320. [DOI: 10.1096/fj.201801768rr] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Hao Cai
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Feng-Ying Wu
- Department of OncologyShanghai Pulmonary HospitalTongji University School of Medicine Shanghai China
| | - Qiang-Li Wang
- School of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Peng Xu
- Affiliated Hospital of Jining Medical College Jining China
| | - Fang-Fang Mou
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Shui-Jin Shao
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Zhi-Rong Luo
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Jing Zhu
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Shou-Song Xuan
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Rong Lu
- School of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
| | - Hai-Dong Guo
- Department of AnatomySchool of Basic MedicineShanghai University of Traditional Chinese Medicine Shanghai China
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16
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Kuraitis D, Hosoyama K, Blackburn NJR, Deng C, Zhong Z, Suuronen EJ. Functionalization of soft materials for cardiac repair and regeneration. Crit Rev Biotechnol 2019; 39:451-468. [PMID: 30929528 DOI: 10.1080/07388551.2019.1572587] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Coronary artery disease is a leading cause of death in developed nations. As the disease progresses, myocardial infarction can occur leaving areas of dead tissue in the heart. To compensate, the body initiates its own repair/regenerative response in an attempt to restore function to the heart. These efforts serve as inspiration to researchers who attempt to capitalize on the natural regenerative processes to further augment repair. Thus far, researchers are exploiting these repair mechanisms in the functionalization of soft materials using a variety of growth factor-, ligand- and peptide-incorporating approaches. The goal of functionalizing soft materials is to best promote and direct the regenerative responses that are needed to restore the heart. This review summarizes the opportunities for the use of functionalized soft materials for cardiac repair and regeneration, and some of the different strategies being developed.
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Affiliation(s)
- Drew Kuraitis
- a Division of Cardiac Surgery , University of Ottawa Heart Institute , Ottawa , Canada
| | - Katsuhiro Hosoyama
- a Division of Cardiac Surgery , University of Ottawa Heart Institute , Ottawa , Canada
| | - Nick J R Blackburn
- a Division of Cardiac Surgery , University of Ottawa Heart Institute , Ottawa , Canada
| | - Chao Deng
- b Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou , People's Republic of China
| | - Zhiyuan Zhong
- b Biomedical Polymers Laboratory, and Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou , People's Republic of China
| | - Erik J Suuronen
- a Division of Cardiac Surgery , University of Ottawa Heart Institute , Ottawa , Canada
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17
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De Rosa L, Di Stasi R, D'Andrea LD. Pro-angiogenic peptides in biomedicine. Arch Biochem Biophys 2018; 660:72-86. [DOI: 10.1016/j.abb.2018.10.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/11/2018] [Accepted: 10/13/2018] [Indexed: 12/12/2022]
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18
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Sarkar B, Nguyen PK, Gao W, Dondapati A, Siddiqui Z, Kumar VA. Angiogenic Self-Assembling Peptide Scaffolds for Functional Tissue Regeneration. Biomacromolecules 2018; 19:3597-3611. [PMID: 30132656 DOI: 10.1021/acs.biomac.8b01137] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Implantation of acellular biomimetic scaffolds with proangiogenic motifs may have exciting clinical utility for the treatment of ischemic pathologies such as myocardial infarction. Although direct delivery of angiogenic proteins is a possible treatment option, smaller synthetic peptide-based nanostructured alternatives are being investigated due to favorable factors, such as sustained efficacy and high-density epitope presentation of functional moieties. These peptides may be implanted in vivo at the site of ischemia, bypassing the first-pass metabolism and enabling long-term retention and sustained efficacy. Mimics of angiogenic proteins show tremendous potential for clinical use. We discuss possible approaches to integrate the functionality of such angiogenic peptide mimics into self-assembled peptide scaffolds for application in functional tissue regeneration.
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Affiliation(s)
| | | | | | | | | | - Vivek A Kumar
- Rutgers School of Dental Medicine , Newark , New Jersey 07101 , United States
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19
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Choi D, Komeda M, Heo J, Hong J, Matsusaki M, Akashi M. Vascular Endothelial Growth Factor Incorporated Multilayer Film Induces Preangiogenesis in Endothelial Cells. ACS Biomater Sci Eng 2018; 4:1833-1842. [DOI: 10.1021/acsbiomaterials.8b00100] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Daheui Choi
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Misaki Komeda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Jiwoong Heo
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Jinkee Hong
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Michiya Matsusaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Mitsuru Akashi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
- Department of Frontier Biosciences, Graduate School of Frontier Biosciences, Osaka University, 1-3 Yamadaoaka, Suita, Osaka 565-0871, Japan
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20
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Liang Y, Li L, Scott RA, Kiick KL. Polymeric Biomaterials: Diverse Functions Enabled by Advances in Macromolecular Chemistry. Macromolecules 2017; 50:483-502. [PMID: 29151616 PMCID: PMC5687278 DOI: 10.1021/acs.macromol.6b02389] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Biomaterials have been extensively used to leverage beneficial outcomes in various therapeutic applications, such as providing spatial and temporal control over the release of therapeutic agents in drug delivery as well as engineering functional tissues and promoting the healing process in tissue engineering and regenerative medicine. This perspective presents important milestones in the development of polymeric biomaterials with defined structures and properties. Contemporary studies of biomaterial design have been reviewed with focus on constructing materials with controlled structure, dynamic functionality, and biological complexity. Examples of these polymeric biomaterials enabled by advanced synthetic methodologies, dynamic chemistry/assembly strategies, and modulated cell-material interactions have been highlighted. As the field of polymeric biomaterials continues to evolve with increased sophistication, current challenges and future directions for the design and translation of these materials are also summarized.
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Affiliation(s)
- Yingkai Liang
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
| | - Linqing Li
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
| | - Rebecca A. Scott
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
- Nemours-Alfred I. duPont Hospital for Children, Department of Biomedical Research, 1600 Rockland Road, Wilmington, DE 19803, USA
| | - Kristi L. Kiick
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, 19716, USA
- Department of Biomedical Engineering, University of Delaware, Newark, DE 19716, USA
- Delaware Biotechnology Institute, 15 Innovation Way, Newark, DE, 19711, USA
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21
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Chrobak MO, Hansen KJ, Gershlak JR, Vratsanos M, Kanellias M, Gaudette GR, Pins GD. Design of a Fibrin Microthread-Based Composite Layer for Use in a Cardiac Patch. ACS Biomater Sci Eng 2017; 3:1394-1403. [DOI: 10.1021/acsbiomaterials.6b00547] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Megan O. Chrobak
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
| | - Katrina J. Hansen
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
| | - Joshua R. Gershlak
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
| | - Maria Vratsanos
- Department
of Biomedical Engineering, Case Western Reserve University, 10900
Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Marianne Kanellias
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
| | - Glenn R. Gaudette
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
| | - George D. Pins
- Department
of Biomedical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, United States
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22
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Sgambato A, Cipolla L, Russo L. Bioresponsive Hydrogels: Chemical Strategies and Perspectives in Tissue Engineering. Gels 2016; 2:E28. [PMID: 30674158 PMCID: PMC6318637 DOI: 10.3390/gels2040028] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Revised: 09/28/2016] [Accepted: 10/08/2016] [Indexed: 12/28/2022] Open
Abstract
Disease, trauma, and aging account for a significant number of clinical disorders. Regenerative medicine is emerging as a very promising therapeutic option. The design and development of new cell-customised biomaterials able to mimic extracellular matrix (ECM) functionalities represents one of the major strategies to control the cell fate and stimulate tissue regeneration. Recently, hydrogels have received a considerable interest for their use in the modulation and control of cell fate during the regeneration processes. Several synthetic bioresponsive hydrogels are being developed in order to facilitate cell-matrix and cell-cell interactions. In this review, new strategies and future perspectives of such synthetic cell microenvironments will be highlighted.
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Affiliation(s)
- Antonella Sgambato
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy.
| | - Laura Cipolla
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy.
| | - Laura Russo
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, 20126 Milano, Italy.
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23
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Diabetic wound regeneration using peptide-modified hydrogels to target re-epithelialization. Proc Natl Acad Sci U S A 2016; 113:E5792-E5801. [PMID: 27647919 DOI: 10.1073/pnas.1612277113] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
There is a clinical need for new, more effective treatments for chronic wounds in diabetic patients. Lack of epithelial cell migration is a hallmark of nonhealing wounds, and diabetes often involves endothelial dysfunction. Therefore, targeting re-epithelialization, which mainly involves keratinocytes, may improve therapeutic outcomes of current treatments. In this study, we present an integrin-binding prosurvival peptide derived from angiopoietin-1, QHREDGS (glutamine-histidine-arginine-glutamic acid-aspartic acid-glycine-serine), as a therapeutic candidate for diabetic wound treatments by demonstrating its efficacy in promoting the attachment, survival, and collective migration of human primary keratinocytes and the activation of protein kinase B Akt and MAPKp42/44 The QHREDGS peptide, both as a soluble supplement and when immobilized in a substrate, protected keratinocytes against hydrogen peroxide stress in a dose-dependent manner. Collective migration of both normal and diabetic human keratinocytes was promoted on chitosan-collagen films with the immobilized QHREDGS peptide. The clinical relevance was demonstrated further by assessing the chitosan-collagen hydrogel with immobilized QHREDGS in full-thickness excisional wounds in a db/db diabetic mouse model; QHREDGS showed significantly accelerated and enhanced wound closure compared with a clinically approved collagen wound dressing, peptide-free hydrogel, or blank wound controls. The accelerated wound closure resulted primarily from faster re-epithelialization and increased formation of granulation tissue. There were no observable differences in blood vessel density or size within the wound; however, the total number of blood vessels was greater in the peptide-hydrogel-treated wounds. Together, these findings indicate that QHREDGS is a promising candidate for wound-healing interventions that enhance re-epithelialization and the formation of granulation tissue.
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24
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Elsaid N, Jackson TL, Elsaid Z, Alqathama A, Somavarapu S. PLGA Microparticles Entrapping Chitosan-Based Nanoparticles for the Ocular Delivery of Ranibizumab. Mol Pharm 2016; 13:2923-40. [PMID: 27286558 DOI: 10.1021/acs.molpharmaceut.6b00335] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Age-related macular degeneration (AMD) is the leading cause of certified vision loss worldwide. The standard treatment for neovascular AMD involves repeated intravitreal injections of therapeutic proteins directed against vascular endothelial growth factor, such as ranibizumab. Biodegradable polymers, such as poly(lactic-co-glycolic acid) (PLGA), form delivery vehicles which can be used to treat posterior segment eye diseases, but suffer from poor protein loading and release. This work describes a "system-within-system", PLGA microparticles incorporating chitosan-based nanoparticles, for improved loading and sustained intravitreal delivery of ranibizumab. Chitosan-N-acetyl-l-cysteine (CNAC) was synthesized and its synthesis confirmed using FT-IR and (1)H NMR. Chitosan-based nanoparticles composed of CNAC, CNAC/tripolyphosphate (CNAC/TPP), chitosan, chitosan/TPP (chit/TPP), or chit/TPP-hyaluronic acid (chit/TPP-HA) were incorporated in PLGA microparticles using a modified w/o/w double emulsion method. Nanoparticles and final nanoparticles-within-microparticles were characterized for their protein-nanoparticle interaction, size, zeta potential, morphology, protein loading, stability, in vitro release, in vivo antiangiogenic activity, and effects on cell viability. The prepared nanoparticles were 17-350 nm in size and had zeta potentials of -1.4 to +12 mV. Microscopic imaging revealed spherical nanoparticles on the surface of PLGA microparticles for preparations containing chit/TPP, CNAC, and CNAC/TPP. Ranibizumab entrapment efficiency in the preparations varied between 13 and 69% and was highest for the PLGA microparticles containing CNAC nanoparticles. This preparation also showed the slowest release with no initial burst release compared to all other preparations. Incorporation of TPP to this formulation increased the rate of protein release and reduced entrapment efficiency. PLGA microparticles containing chit/TPP-HA showed the fastest and near-complete release of ranibizumab. All of the prepared empty particles showed no effect on cell viability up to a concentration of 12.5 mg/mL. Ranibizumab released from all preparations maintained its structural integrity and in vitro activity. The chit/TPP-HA preparation enhanced antiangiogenic activity and may provide a potential biocompatible platform for enhanced antiangiogenic activity in combination with ranibizumab. In conclusion, the PLGA microparticles containing CNAC nanoparticles showed significantly improved ranibizumab loading and release profile. This novel drug delivery system may have potential for improved intravitreal delivery of therapeutic proteins, thereby reducing the frequency, risk, and cost of burdensome intravitreal injections.
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Affiliation(s)
- Naba Elsaid
- University of Hertfordshire , Hatfield, United Kingdom
| | | | - Zeeneh Elsaid
- University College London School of Pharmacy , London, United Kingdom
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25
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Ahadian S, Sadeghian RB, Salehi S, Ostrovidov S, Bae H, Ramalingam M, Khademhosseini A. Bioconjugated Hydrogels for Tissue Engineering and Regenerative Medicine. Bioconjug Chem 2015; 26:1984-2001. [DOI: 10.1021/acs.bioconjchem.5b00360] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Samad Ahadian
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - Ramin Banan Sadeghian
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - Sahar Salehi
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - Serge Ostrovidov
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - Hojae Bae
- College
of Animal Bioscience and Technology, Department of Bioindustrial Technologies, Konkuk University, Hwayang-dong,
Kwangjin-gu, Seoul 143-701, Republic of Korea
| | - Murugan Ramalingam
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
- Centre
for Stem Cell Research, Institute for Stem Cell Biology and Regenerative Medicine, Christian Medical College Campus, Vellore 632002, India
| | - Ali Khademhosseini
- WPI-Advanced
Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
- College
of Animal Bioscience and Technology, Department of Bioindustrial Technologies, Konkuk University, Hwayang-dong,
Kwangjin-gu, Seoul 143-701, Republic of Korea
- Department
of Medicine, Center for Biomedical Engineering, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts 02115, United States
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26
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Zhang B, Montgomery M, Davenport-Huyer L, Korolj A, Radisic M. Platform technology for scalable assembly of instantaneously functional mosaic tissues. SCIENCE ADVANCES 2015; 1:e1500423. [PMID: 26601234 PMCID: PMC4643798 DOI: 10.1126/sciadv.1500423] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Accepted: 07/13/2015] [Indexed: 05/05/2023]
Abstract
Engineering mature tissues requires a guided assembly of cells into organized three-dimensional (3D) structures with multiple cell types. Guidance is usually achieved by microtopographical scaffold cues or by cell-gel compaction. The assembly of individual units into functional 3D tissues is often time-consuming, relying on cell ingrowth and matrix remodeling, whereas disassembly requires an invasive method that includes either matrix dissolution or mechanical cutting. We invented Tissue-Velcro, a bio-scaffold with a microfabricated hook and loop system. The assembly of Tissue-Velcro preserved the guided cell alignment realized by the topographical features in the 2D scaffold mesh and allowed for the instant establishment of coculture conditions by spatially defined stacking of cardiac cell layers or through endothelial cell coating. The assembled cardiac 3D tissue constructs were immediately functional as measured by their ability to contract in response to electrical field stimulation. Facile, on-demand tissue disassembly was demonstrated while preserving the structure, physical integrity, and beating function of individual layers.
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Affiliation(s)
- Boyang Zhang
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Miles Montgomery
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Locke Davenport-Huyer
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Anastasia Korolj
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Milica Radisic
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
- Corresponding author. E-mail:
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27
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Xiao Y, Reis LA, Zhao Y, Radisic M. Modifications of collagen-based biomaterials with immobilized growth factors or peptides. Methods 2015; 84:44-52. [PMID: 25952946 DOI: 10.1016/j.ymeth.2015.04.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2015] [Revised: 04/20/2015] [Accepted: 04/21/2015] [Indexed: 01/06/2023] Open
Abstract
In order to provide an instructive microenvironment to facilitate cellular behaviors and tissue regeneration, biomaterials can be modified by immobilizing growth factors or peptides. We describe here our procedure for modification of collagen-based biomaterials, both porous scaffolds and hydrogel systems, with growth factors or peptides by covalent immobilization. Characterizations of the modified biomaterials (immobilization efficiency, release profile, morphology, mechanical strength, and rheology) and in vitro testing with cells are also discussed.
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Affiliation(s)
- Yun Xiao
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Lewis A Reis
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Yimu Zhao
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
| | - Milica Radisic
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON, Canada; Toronto General Research Institute, University Health Network and IBBME, University of Toronto, Toronto, ON, Canada.
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Tong Z, Solanki A, Hamilos A, Levy O, Wen K, Yin X, Karp JM. Application of biomaterials to advance induced pluripotent stem cell research and therapy. EMBO J 2015; 34:987-1008. [PMID: 25766254 PMCID: PMC4406648 DOI: 10.15252/embj.201490756] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/25/2015] [Accepted: 02/17/2015] [Indexed: 12/19/2022] Open
Abstract
Derived from any somatic cell type and possessing unlimited self-renewal and differentiation potential, induced pluripotent stem cells (iPSCs) are poised to revolutionize stem cell biology and regenerative medicine research, bringing unprecedented opportunities for treating debilitating human diseases. To overcome the limitations associated with safety, efficiency, and scalability of traditional iPSC derivation, expansion, and differentiation protocols, biomaterials have recently been considered. Beyond addressing these limitations, the integration of biomaterials with existing iPSC culture platforms could offer additional opportunities to better probe the biology and control the behavior of iPSCs or their progeny in vitro and in vivo. Herein, we discuss the impact of biomaterials on the iPSC field, from derivation to tissue regeneration and modeling. Although still exploratory, we envision the emerging combination of biomaterials and iPSCs will be critical in the successful application of iPSCs and their progeny for research and clinical translation.
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Affiliation(s)
- Zhixiang Tong
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Aniruddh Solanki
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Allison Hamilos
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Oren Levy
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Kendall Wen
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
| | - Xiaolei Yin
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA
| | - Jeffrey M Karp
- Division of Biomedical Engineering, Department of Medicine, Center for Regenerative Therapeutics, Brigham and Women's Hospital Harvard Medical School, Cambridge, MA, USA Harvard Stem Cell Institute, Cambridge, MA, USA Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA
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Reis LA, Chiu LLY, Wu J, Feric N, Laschinger C, Momen A, Li RK, Radisic M. Hydrogels with integrin-binding angiopoietin-1-derived peptide, QHREDGS, for treatment of acute myocardial infarction. Circ Heart Fail 2015; 8:333-41. [PMID: 25632037 DOI: 10.1161/circheartfailure.114.001881] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Hydrogels are being actively investigated for direct delivery of cells or bioactive molecules to the heart after myocardial infarction (MI) to prevent cardiac functional loss. We postulate that immobilization of the prosurvival angiopoietin-1-derived peptide, QHREDGS, to a chitosan-collagen hydrogel could produce a clinically translatable thermoresponsive hydrogel to attenuate post-MI cardiac remodeling. METHODS AND RESULTS In a rat MI model, QHREDGS-conjugated hydrogel (QHG213H), control gel, or PBS was injected into the peri-infarct/MI zone. By in vivo tracking and chitosan staining, the hydrogel was demonstrated to remain in situ for 2 weeks and was cleared in ≈3 weeks. By echocardiography and pressure-volume analysis, the QHG213H hydrogel significantly improved cardiac function compared with the controls. Scar thickness and scar area fraction were also significantly improved with QHG213H gel injection compared with the controls. There were significantly more cardiomyocytes, determined by cardiac troponin-T staining, in the MI zone of the QHG213H hydrogel group; and hydrogel injection did not induce a significant inflammatory response as assessed by polymerase chain reaction and an inflammatory cytokine assay. The interaction of cardiomyocytes and cardiac fibroblasts with QHREDGS was found to be mediated by β1-integrins. CONCLUSIONS We demonstrated for the first time that the QHG213H peptide-modified hydrogel can be injected in the beating heart where it remains localized for a clinically effective period. Moreover, the QHG213H hydrogel induced significant cardiac functional and morphological improvements after MI relative to the controls.
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Affiliation(s)
- Lewis A Reis
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Loraine L Y Chiu
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Jun Wu
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Nicole Feric
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Carol Laschinger
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Abdul Momen
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Ren-Ke Li
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.)
| | - Milica Radisic
- From the Institute of Biomaterials and Biomedical Engineering (L.A.R., N.F., C.L., M.R.) and Department of Chemical Engineering and Applied Chemistry (L.L.Y.C., M.R.), University of Toronto, Canada; and Toronto General Research Institute, University Health Network, Canada (J.W., A.M., R.-K.L.).
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30
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Dang LTH, Feric NT, Laschinger C, Chang WY, Zhang B, Wood GA, Stanford WL, Radisic M. Inhibition of apoptosis in human induced pluripotent stem cells during expansion in a defined culture using angiopoietin-1 derived peptide QHREDGS. Biomaterials 2014; 35:7786-99. [PMID: 24930852 DOI: 10.1016/j.biomaterials.2014.05.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2014] [Accepted: 05/08/2014] [Indexed: 02/07/2023]
Abstract
Adhesion molecule signaling is critical to human pluripotent stem cell (hPSC) survival, self-renewal, and differentiation. Thus, hPSCs are grown as clumps of cells on feeder cell layers or poorly defined extracellular matrices such as Matrigel. We sought to define a small molecule that would initiate adhesion-based signaling to serve as a basis for a defined substrate for hPSC culture. Soluble angiopoeitin-1 (Ang-1)-derived peptide QHREDGS added to defined serum-free media increased hPSC colony cell number and size during long- and short-term culture when grown on feeder cell layers or Matrigel, i.e. on standard substrates, without affecting hPSC morphology, growth rate or the ability to differentiate into multiple lineages both in vitro and in vivo. Importantly, QHREDGS treatment decreased hPSC apoptosis during routine passaging and single-cell dissociation. Mechanistically, the interaction of QHREDGS with β1-integrins increased expression of integrin-linked kinase (ILK), increased expression and activation of extracellular signal-regulated kinases 1/2 (ERK1/2), and decreased caspase-3/7 activity. QHREDGS immobilization to polyethylene glycol hydrogels significantly increased cell adhesion in a dose-dependent manner. We propose QHREDGS as a small molecule inhibitor of hPSC apoptosis and the basis of an affordable defined substrate for hPSC maintenance.
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Affiliation(s)
- Lan T H Dang
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; The Heart and Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Nicole T Feric
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Carol Laschinger
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Wing Y Chang
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Sprott Centre for Stem Cell Research, The Ottawa Hospital Research Institute, Ottawa, Ontario K1H 8L6, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
| | - Boyang Zhang
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Geoffrey A Wood
- Department of Pathobiology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - William L Stanford
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Sprott Centre for Stem Cell Research, The Ottawa Hospital Research Institute, Ottawa, Ontario K1H 8L6, Canada; Department of Cellular & Molecular Medicine, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
| | - Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; The Heart and Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, Ontario M5S 1A8, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada.
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Feric N, Cheng CCH, Goh MC, Dudnyk V, Di Tizio V, Radisic M. Angiopoietin-1 peptide QHREDGS promotes osteoblast differentiation, bone matrix deposition and mineralization on biomedical materials. Biomater Sci 2014; 2:1384-1398. [PMID: 25485104 DOI: 10.1039/c4bm00073k] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Bone loss occurs as a consequence of a variety of diseases as well as from traumatic injuries, and often requires therapeutic intervention. Strategies for repairing and replacing damaged and/or lost bone tissue include the use of biomaterials and medical implant devices with and without osteoinductive coatings. The soluble growth factor angiopoietin-1 (Ang-1) has been found to promote cell adhesion and survival in a range of cell types including cardiac myocytes, endothelial cells and fibroblasts through an integrin-dependent mechanism. Furthermore, the short sequence QHREDGS has been identified as the integrin-binding sequence of Ang-1 and as a synthetic peptide has been found to possess similar integrin-dependent effects as Ang-1 in the aforementioned cell types. Integrins have been implicated in osteoblast differentiation and bone mineralization, processes critical to bone regeneration. By binding integrins on the osteoblast surface, QHREDGS could promote cell survival and adhesion, as well as conceivably osteoblast differentiation and bone mineralization. Here we immobilized QHREDGS onto polyacrylate (PA)-coated titanium (Ti) plates and polyethylene glycol (PEG) hydrogels. The osteoblast differentiation marker, alkaline phosphatase, peaked in activity 4-12 days earlier on the QHREDGS-immobilized PA-coated Ti plates than on the unimmobilized, DGQESHR (scrambled)- and RGDS-immobilized surfaces. Significantly more bone matrix was deposited on the QHREDGS-immobilized Ti surface than on the other surfaces as determined by atomic force microscopy. The QHREDGS-immobilized hydrogels also had a significantly higher mineral-to-matrix (M/M) ratio determined by Fourier transform infrared spectroscopy. Alizarin Red S and von Kossa staining and quantification, and environmental scanning electron microscopy showed that while both the QHREDGS- and RGDS-immobilized surfaces had extensive mineralization relative to the unimmobilized and DGQESHR-immobilized surfaces, the mineralization was more considerable on the QHREDGS-immobilized surface, both with and without the induction of osteoblast differentiation. Finally, treatment of cell monolayers with soluble QHREDGS was demonstrated to upregulate osteogenic gene expression. Taken together, these results demonstrate that the QHREDGS peptide is osteoinductive, inducing osteoblast differentiation, bone matrix deposition and mineralization.
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Affiliation(s)
- Nicole Feric
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9 Canada
| | - Calvin C H Cheng
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - M Cynthia Goh
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada ; Institute for Optical Sciences, University of Toronto, Toronto, Ontario M5S 1A7, Canada
| | | | - Val Di Tizio
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
| | - Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, M5S 3G9 Canada ; Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3E5, Canada
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