1
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Uskoković V, Velie PN, Wu VM. Toward chronopharmaceutical drug delivery patches and biomaterial coatings for the facilitation of wound healing. J Colloid Interface Sci 2024; 659:355-363. [PMID: 38181699 DOI: 10.1016/j.jcis.2023.12.156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 12/10/2023] [Accepted: 12/27/2023] [Indexed: 01/07/2024]
Abstract
Implantation of a biomaterial entails a form of injury where the integration of the implant into the host tissue greatly depends on the proper healing of the wound. Wound healing, itself, consists of a number of physiological processes, each occurring within a characteristic time window. A composite, multilayered polymeric drug delivery carrier for adhesion to the wound site and its supply with molecules released at precise time windows at which the stages in the healing process that they target occur is conceptualized here. We also present a simplified version of one such multilayered composite fabricated by a combination of solvent casting and dip coating, comprising the base poly(ε-caprolactone) layer reinforced with hydroxyapatite nanoparticles, poly(glutamic acid) mesolayer and poly-l-lysine surface layer, each loaded with specific small molecules and released at moderately distinct timescales, partially matching the chronology of wound healing. To that end, the base layer proved suitable for the delivery of an anti-inflammatory molecule or an angiogenic agent, the mesolayer appeared appropriate for the delivery of an epithelialization promoter or a granulation factor, and the adhesive surface layer interfacing directly with the site of injury showed promise as a carrier of a vasodilator. The drug release mechanisms were diffusion-driven, suggesting that the drug/carrier interaction is a key determinant of the release kinetics, as important as the nature of the polymer and its hydrolytic degradation rate in the aqueous medium. Morphological and phase composition analyses were performed, along with the cell compatibility ones, demonstrating solid adhesion and proliferation of both transformed and primary fibroblasts on both surfaces of the composite films. The design of the multilayered composite drug delivery carriers presented here is prospective, but requires further upgrades to achieve the ideal of a perfect timing of the sequential drug release kinetics and a perfect resonance with the physiological processes defining the chronology of wound healing.
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Affiliation(s)
- Vuk Uskoković
- Advanced Materials and Nanobiotechnology Laboratory, TardigradeNano LLC, Irvine, CA 92604, USA; Department of Mechanical Engineering, San Diego State University, San Diego, CA 92182, USA.
| | - Pooja Neogi Velie
- Department of Bioengineering, University of Illinois, Chicago, IL 60607, USA
| | - Victoria M Wu
- Advanced Materials and Nanobiotechnology Laboratory, TardigradeNano LLC, Irvine, CA 92604, USA
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2
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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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3
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Gao H, Liu S, Qin S, Yang J, Yue T, Ye B, Tang Y, Feng J, Hou J, Danzeng D. Injectable hydrogel-based combination therapy for myocardial infarction: a systematic review and Meta-analysis of preclinical trials. BMC Cardiovasc Disord 2024; 24:119. [PMID: 38383333 PMCID: PMC10882925 DOI: 10.1186/s12872-024-03742-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/19/2024] [Indexed: 02/23/2024] Open
Abstract
INTRODUCTION This study evaluates the effectiveness of a combined regimen involving injectable hydrogels for the treatment of experimental myocardial infarction. PATIENT CONCERNS Myocardial infarction is an acute illness that negatively affects quality of life and increases mortality rates. Experimental models of myocardial infarction can aid in disease research by allowing for the development of therapies that effectively manage disease progression and promote tissue repair. DIAGNOSIS Experimental animal models of myocardial infarction were established using the ligation method on the anterior descending branch of the left coronary artery (LAD). INTERVENTIONS The efficacy of intracardiac injection of hydrogels, combined with cells, drugs, cytokines, extracellular vesicles, or nucleic acid therapies, was evaluated to assess the functional and morphological improvements in the post-infarction heart achieved through the combined hydrogel regimen. OUTCOMES A literature review was conducted using PubMed, Web of Science, Scopus, and Cochrane databases. A total of 83 papers, including studies on 1332 experimental animals (rats, mice, rabbits, sheep, and pigs), were included in the meta-analysis based on the inclusion and exclusion criteria. The overall effect size observed in the group receiving combined hydrogel therapy, compared to the group receiving hydrogel treatment alone, resulted in an ejection fraction (EF) improvement of 8.87% [95% confidence interval (CI): 7.53, 10.21] and a fractional shortening (FS) improvement of 6.31% [95% CI: 5.94, 6.67] in rat models, while in mice models, the improvements were 16.45% [95% CI: 11.29, 21.61] for EF and 5.68% [95% CI: 5.15, 6.22] for FS. The most significant improvements in EF (rats: MD = 9.63% [95% CI: 4.02, 15.23]; mice: MD = 23.93% [95% CI: 17.52, 30.84]) and FS (rats: MD = 8.55% [95% CI: 2.54, 14.56]; mice: MD = 5.68% [95% CI: 5.15, 6.22]) were observed when extracellular vesicle therapy was used. Although there have been significant results in large animal experiments, the number of studies conducted in this area is limited. CONCLUSION The present study demonstrates that combining hydrogel with other therapies effectively improves heart function and morphology. Further preclinical research using large animal models is necessary for additional study and validation.
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Affiliation(s)
- Han Gao
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Song Liu
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Shanshan Qin
- School of Medicine, Tibet University, Lhasa, Tibet, China
| | - Jiali Yang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Tian Yue
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Bengui Ye
- West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China
| | - Yue Tang
- School of Pharmacy, North Sichuan Medical College, Nanchong, Sichuan, China
| | - Jie Feng
- School of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
| | - Jun Hou
- Department of Cardiology, Chengdu Third People's Hospital, Chengdu, Sichuan, China.
| | - Dunzhu Danzeng
- School of Medicine, Tibet University, Lhasa, Tibet, China.
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4
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Yu X. Application of Hydrogels in Cardiac Regeneration. Cardiol Ther 2023; 12:637-674. [PMID: 37979080 DOI: 10.1007/s40119-023-00339-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023] Open
Abstract
Myocardial infarction (MI) is a leading cause of death globally. Due to limited cardiac regeneration, infarcted myocardial tissue is gradually replaced by cardiac fibrosis, causing cardiac dysfunction, arrhythmia, aneurysm, free wall rupture, and sudden cardiac death. Thus, the development of effective methods to promote cardiac regeneration is extremely important for MI treatment. In recent years, hydrogels have shown promise in various methods for cardiac regeneration. Hydrogels can be divided into natural and synthetic types. Different hydrogels have different features and can be cross-linked in various ways. Hydrogels are low in toxicity and highly stable. Since they have good biocompatibility, biodegradability, and transformability, moderate mechanical properties, and proper elasticity, hydrogels are promising biomaterials for promoting cardiac regeneration. They can be used not only as scaffolds for migration of stem cells, but also as ideal carriers for delivery of drugs, genetic materials, stem cells, growth factors, cytokines, and small molecules. In this review, the application of hydrogels in cardiac regeneration during or post-MI is discussed in detail. Hydrogels open a promising new area in cardiac regeneration for treating MI.
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Affiliation(s)
- Xuejing Yu
- Division of Cardiology, Department of Internal Medicine, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75235, USA.
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5
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Vizely K, Wagner KT, Mandla S, Gustafson D, Fish JE, Radisic M. Angiopoietin-1 derived peptide hydrogel promotes molecular hallmarks of regeneration and wound healing in dermal fibroblasts. iScience 2023; 26:105984. [PMID: 36818306 PMCID: PMC9932487 DOI: 10.1016/j.isci.2023.105984] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 10/12/2022] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
By providing an ideal environment for healing, biomaterials can be designed to facilitate and encourage wound regeneration. As the wound healing process is complex, there needs to be consideration for the cell types playing major roles, such as fibroblasts. As a major cell type in the dermis, fibroblasts have a large impact on the processes and outcomes of wound healing. Prevopisly, conjugating the angiopoietin-1 derived Q-peptide (QHREDGS) to a collagen-chitosan hydrogel created a biomaterial with in vivo success in accelerating wound healing. This study utilized solvent cast Q-peptide conjugated collagen-chitosan seeded with fibroblast monolayers to investigate the direct impact of the material on this major cell type. After 24 h, fibroblasts had a significant change in release of anti-inflammatory, pro-healing, and ECM deposition cytokines, with demonstrated immunomodulatory effects on macrophages and upregulated expression of critical wound healing genes.
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Affiliation(s)
- Katrina Vizely
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada
| | - Karl T. Wagner
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Serena Mandla
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Dakota Gustafson
- Toronto General Hospital Research Institute, University Health Network, Toronto,ON M5G 2C4, Canada,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Jason E. Fish
- Toronto General Hospital Research Institute, University Health Network, Toronto,ON M5G 2C4, Canada,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Milica Radisic
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON M5S 3E5, Canada,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada,Toronto General Hospital Research Institute, University Health Network, Toronto,ON M5G 2C4, Canada,Corresponding author
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6
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Insights into current directions of protein and peptide-based hydrogel drug delivery systems for inflammation. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04527-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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7
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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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8
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Hu W, Yang C, Guo X, Wu Y, Loh XJ, Li Z, Wu YL, Wu C. Research Advances of Injectable Functional Hydrogel Materials in the Treatment of Myocardial Infarction. Gels 2022; 8:423. [PMID: 35877508 PMCID: PMC9316750 DOI: 10.3390/gels8070423] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/30/2022] [Accepted: 07/03/2022] [Indexed: 12/10/2022] Open
Abstract
Myocardial infarction (MI) has become one of the serious diseases threatening human life and health. However, traditional treatment methods for MI have some limitations, such as irreversible myocardial necrosis and cardiac dysfunction. Fortunately, recent endeavors have shown that hydrogel materials can effectively prevent negative remodeling of the heart and improve the heart function and long-term prognosis of patients with MI due to their good biocompatibility, mechanical properties, and electrical conductivity. Therefore, this review aims to summarize the research progress of injectable hydrogel in the treatment of MI in recent years and to introduce the rational design of injectable hydrogels in myocardial repair. Finally, the potential challenges and perspectives of injectable hydrogel in this field will be discussed, in order to provide theoretical guidance for the development of new and effective treatment strategies for MI.
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Affiliation(s)
- Wei Hu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China; (W.H.); (X.G.); (Y.W.)
| | - Cui Yang
- School of Medicine, Xiamen University, Xiamen 361003, China;
| | - Xiaodan Guo
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China; (W.H.); (X.G.); (Y.W.)
| | - Yihong Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China; (W.H.); (X.G.); (Y.W.)
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore;
| | - Zibiao Li
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore;
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE) Agency for Science, Technology and Research (A*STAR), Singapore 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
| | - Yun-Long Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China; (W.H.); (X.G.); (Y.W.)
| | - Caisheng Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China; (W.H.); (X.G.); (Y.W.)
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9
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Amelio GS, Provitera L, Raffaeli G, Tripodi M, Amodeo I, Gulden S, Cortesi V, Manzoni F, Cervellini G, Tomaselli A, Pravatà V, Garrido F, Villamor E, Mosca F, Cavallaro G. Endothelial dysfunction in preterm infants: The hidden legacy of uteroplacental pathologies. Front Pediatr 2022; 10:1041919. [PMID: 36405831 PMCID: PMC9671930 DOI: 10.3389/fped.2022.1041919] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
Millions of infants are born prematurely every year worldwide. Prematurity, particularly at lower gestational ages, is associated with high mortality and morbidity and is a significant global health burden. Pregnancy complications and preterm birth syndrome strongly impact neonatal clinical phenotypes and outcomes. The vascular endothelium is a pivotal regulator of fetal growth and development. In recent years, the key role of uteroplacental pathologies impairing endothelial homeostasis is emerging. Conditions leading to very and extremely preterm birth can be classified into two main pathophysiological patterns or endotypes: infection/inflammation and dysfunctional placentation. The first is frequently related to chorioamnionitis, whereas the second is commonly associated with hypertensive disorders of pregnancy and fetal growth restriction. The nature, timing, and extent of prenatal noxa may alter fetal and neonatal endothelial phenotype and functions. Changes in the luminal surface, oxidative stress, growth factors imbalance, and dysregulation of permeability and vascular tone are the leading causes of endothelial dysfunction in preterm infants. However, the available evidence regarding endothelial physiology and damage is limited in neonates compared to adults. Herein, we discuss the current knowledge on endothelial dysfunction in the infectious/inflammatory and dysfunctional placentation endotypes of prematurity, summarizing their molecular features, available biomarkers, and clinical impact. Furthermore, knowledge gaps, shadows, and future research perspectives are highlighted.
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Affiliation(s)
- Giacomo Simeone Amelio
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Livia Provitera
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Genny Raffaeli
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Matteo Tripodi
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Ilaria Amodeo
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Silvia Gulden
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Valeria Cortesi
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Francesca Manzoni
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Gaia Cervellini
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Andrea Tomaselli
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Valentina Pravatà
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Felipe Garrido
- Department of Pediatrics, Clínica Universidad de Navarra, Madrid, Spain
| | - Eduardo Villamor
- Department of Pediatrics, Maastricht University Medical Center (MUMC+), School for Oncology and Reproduction (GROW), University of Maastricht, Maastricht, Netherlands
| | - Fabio Mosca
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.,Department of Clinical Sciences and Community Health, Università Degli Studi di Milano, Milan, Italy
| | - Giacomo Cavallaro
- Neonatal Intensive Care Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
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10
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Biotherapeutic-loaded injectable hydrogels as a synergistic strategy to support myocardial repair after myocardial infarction. J Control Release 2021; 335:216-236. [PMID: 34022323 DOI: 10.1016/j.jconrel.2021.05.023] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/16/2021] [Accepted: 05/18/2021] [Indexed: 12/18/2022]
Abstract
Myocardial infarction (MI) has been considered as the leading cause of cardiovascular-related deaths worldwide. Although traditional therapeutic agents including various bioactive species such as growth factors, stem cells, and nucleic acids have demonstrated somewhat usefulness for the restoration of cardiac functions, the therapeutic efficiency remains unsatisfactory most likely due to the off-target-associated side effects and low localized retention of the used therapeutic agents in the infarcted myocardium, which constitutes a substantial barrier for the effective treatment of MI. Injectable hydrogels are regarded as a minimally invasive technology that can overcome the clinical and surgical limitations of traditional stenting by a modulated sol-gel transition and localized transport of a variety of encapsulated cargoes, leading to enhanced therapeutic efficiency and improved patient comfort and compliance. However, the design of injectable hydrogels for myocardial repair and the mechanism of action of bioactive substance-loaded hydrogels for MI repair remain unclear. To elucidate these points, we summarized the recent progresses made on the use of injectable hydrogels for encapsulation of various therapeutic substances for MI treatment with an emphasis on the mechanism of action of hydrogel systems for myocardial repair. Specifically, the pathogenesis of MI and the rational design of injectable hydrogels for myocardial repair were presented. Next, the mechanisms of various biotherapeutic substance-loaded injectable hydrogels for myocardial repair was discussed. Finally, the potential challenges and future prospects for the use of injectable hydrogels for MI treatment were proposed for the purpose of drawing theoretical guidance on the development of novel therapeutic strategies for efficient treatment of MI.
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11
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Cruz-Samperio R, Jordan M, Perriman A. Cell augmentation strategies for cardiac stem cell therapies. Stem Cells Transl Med 2021; 10:855-866. [PMID: 33660953 PMCID: PMC8133336 DOI: 10.1002/sctm.20-0489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/12/2022] Open
Abstract
Myocardial infarction (MI) has been the primary cause of death in developed countries, resulting in a major psychological and financial burden for society. Current treatments for acute MI are directed toward rapid restoration of perfusion to limit damage to the myocardium, rather than promoting tissue regeneration and subsequent contractile function recovery. Regenerative cell therapies (CTs), in particular those using multipotent stem cells (SCs), are in the spotlight for treatment post‐MI. Unfortunately, the efficacy of CTs is somewhat limited by their poor long‐term viability, homing, and engraftment to the myocardium. In response, a range of novel SC‐based technologies are in development to provide additional cellular modalities, bringing CTs a step closer to the clinic. In this review, the current landscape of emerging CTs and their augmentation strategies for the treatment post‐MI are discussed. In doing so, we highlight recent advances in cell membrane reengineering via genetic modifications, recombinant protein immobilization, and the utilization of soft biomimetic scaffold interfaces.
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Affiliation(s)
| | - Millie Jordan
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Adam Perriman
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
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12
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Castillo-Díaz LA, Ruiz-Pacheco JA, Elsawy MA, Reyes-Martínez JE, Enríquez-Rodríguez AI. Self-Assembling Peptides as an Emerging Platform for the Treatment of Metabolic Syndrome. Int J Nanomedicine 2020; 15:10349-10370. [PMID: 33376325 PMCID: PMC7762440 DOI: 10.2147/ijn.s278189] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 10/21/2020] [Indexed: 12/14/2022] Open
Abstract
Metabolic syndrome comprises a cluster of comorbidities that represent a major risk of developing chronic diseases, such as type II diabetes, cardiovascular diseases, and stroke. Alarmingly, metabolic syndrome reaches epidemic proportions worldwide. Today, lifestyle changes and multiple drug-based therapies represent the gold standard to address metabolic syndrome. However, such approaches face two major limitations: complicated drug therapeutic regimes, which in most cases could lead to patient incompliance, and limited drug efficacy. This has encouraged scientists to search for novel routes to deal with metabolic syndrome and related diseases. Within such approaches, self-assembled peptide formulations have emerged as a promising alternative for treating metabolic syndrome. In particular, self-assembled peptide hydrogels, either as acellular or cell-load three-dimensional scaffoldings have reached significant relevance in the biomedical field to prevent and restore euglycemia, as well as for controlling cardiovascular diseases and obesity. This has been possible thanks to the physicochemical tunability of peptides, which are developed from a chemical toolbox of versatile amino acids enabling flexibility of designing a wide range of self-assembled/co-assembled nanostructures forming biocompatible viscoelastic hydrogels. Peptide hydrogels can be combined with several biological entities, such as extracellular matrix proteins, drugs or cells, forming functional biologics with therapeutic ability for treatment of metabolic syndrome-comorbidities. Additionally, self-assembly peptides combine safety, tolerability, and effectivity attributes; by this presenting a promising platform for the development of novel pharmaceuticals capable of addressing unmet therapeutic needs for diabetes, cardiovascular disorders and obesity. In this review, recent advances in developing self-assembly peptide nanostructures tailored for improving treatment of metabolic syndrome and related diseases will be discussed from basic research to preclinical research studies. Challenges facing the development of approved medicinal products based on self-assembling peptide nanomaterials will be discussed in light of regulatory requirement for clinical authorization.
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Affiliation(s)
| | - Juan Alberto Ruiz-Pacheco
- West Biomedical Research Center, National Council of Science and Technology, Guadalajara, Jalisco, Mexico
| | - Mohamed Ahmed Elsawy
- Leicester Institute for Pharmaceutical Innovation, Leicester School of Pharmacy, De Montfort University, Leicester, Leicestershire, UK
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13
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Sparks HD, Sigaeva T, Tarraf S, Mandla S, Pope H, Hee O, Di Martino ES, Biernaskie J, Radisic M, Scott WM. Biomechanics of Wound Healing in an Equine Limb Model: Effect of Location and Treatment with a Peptide-Modified Collagen-Chitosan Hydrogel. ACS Biomater Sci Eng 2020; 7:265-278. [PMID: 33342210 DOI: 10.1021/acsbiomaterials.0c01431] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The equine distal limb wound healing model, characterized by delayed re-epithelialization and a fibroproliferative response to wounding similar to that observed in humans, is a valuable tool for the study of biomaterials poised for translation into both the veterinary and human medical markets. In the current study, we developed a novel method of biaxial biomechanical testing to assess the functional outcomes of healed wounds in a modified equine model and discovered significant functional and structural differences in both unwounded and injured skin at different locations on the distal limb that must be considered when using this model in future work. Namely, the medial skin was thicker and displayed earlier collagen engagement, medial wounds experienced a greater proportion of wound contraction during closure, and proximal wounds produced significantly more exuberant granulation tissue. Using this new knowledge of the equine model of aberrant wound healing, we then investigated the effect of a peptide-modified collagen-chitosan hydrogel on wound healing. Here, we found that a single treatment with the QHREDGS (glutamine-histidine-arginine-glutamic acid-aspartic acid-glycine-serine) peptide-modified hydrogel (Q-peptide hydrogel) resulted in a higher rate of wound closure and was able to modulate the biomechanical function toward a more compliant healed tissue without observable negative effects. Thus, we conclude that the use of a Q-peptide hydrogel provides a safe and effective means of improving the rate and quality of wound healing in a large animal model.
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Affiliation(s)
- Holly D Sparks
- Department of Veterinary Clinical & Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Taisiya Sigaeva
- Department of Systems Design Engineering, Faculty of Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.,Department of Civil Engineering and Centre for Bioengineering Research and Education, University of Calgary, Calgary, Alberta T2N 4Z6, Canada
| | - Samar Tarraf
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta T2N 4Z6, Canada
| | - Serena Mandla
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto M5S3G9, Canada.,Toronto General Research Institute, University of Toronto, Toronto M5S3G9, Canada
| | - Hannah Pope
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Olivia Hee
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
| | - Elena S Di Martino
- Department of Civil Engineering and Centre for Bioengineering Research and Education, University of Calgary, Calgary, Alberta T2N 4Z6, Canada
| | - Jeff Biernaskie
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada.,Alberta Children's Hospital Research Institute, Calgary, Alberta T2N 4N1, Canada.,Hotchkiss Brain Institute, Calgary, Alberta T2N 4N1, Canada
| | - Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto M5S3G9, Canada.,Toronto General Research Institute, University of Toronto, Toronto M5S3G9, Canada.,Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto M5S3G9, Canada
| | - W Michael Scott
- Department of Veterinary Clinical and Diagnostic Sciences, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta T2N 4Z6, Canada
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14
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Ning W, Li S, Yang W, Yang B, Xin C, Ping X, Huang C, Gu Y, Guo L. Blocking exosomal miRNA-153-3p derived from bone marrow mesenchymal stem cells ameliorates hypoxia-induced myocardial and microvascular damage by targeting the ANGPT1-mediated VEGF/PI3k/Akt/eNOS pathway. Cell Signal 2020; 77:109812. [PMID: 33164880 DOI: 10.1016/j.cellsig.2020.109812] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 10/16/2020] [Accepted: 10/16/2020] [Indexed: 01/18/2023]
Abstract
It has been widely reported that exosomes derived from mesenchymal stem cells (MSCs) have a protective effect on myocardial infarction (MI). However, the specific molecules which play a damaging role in MSCs shuttled miRNAs are much less explored. MiRNA-153-3p (miR-153-3p) is a vital miRNA which has been proved to modulate cell proliferation, apoptosis, angiogenesis, peritoneal fibrosis and aortic calcification. Here, we aim to study the effect and mechanism of miR-153-3p in MSC-derived exosomes on hypoxia-induced myocardial and microvascular damage. The exosomes of MSCs were isolated and identified, and the MSCs-exosomes with low expression of miR-153-3p (exo-miR-153-3p-) were constructed to interfere with the endothelial cells and cardiomyocytes in the oxygen-glucose deprivation (OGD) model. The viability, apoptosis, angiogenesis of endothelial cells and cardiomyocytes were determined. Additionally, ANGPT1/VEGF/VEGFR2/PI3K/Akt/eNOS pathway was detected by ELISA and/or western blot. The results illustrated that exo-miR-153-3p- significantly reduced the apoptosis of endothelial cells and cardiomyocytes and promoted their viability. Meanwhile, exo-miR-153-3p- can promote the angiogenesis of endothelial cells. Mechanistically, miR-153-3p regulates the VEGF/VEGFR2/PI3K/Akt/eNOS pathways by targeting ANGPT1. Intervention with VEGFR2 inhibitor (SU1498, 1 μM) remarkably reversed the protective effect of exo-miR-153-3p- in vascular endothelial cells and cardiomyocytes treated by OGD. Collectively, MSCs-derived exosomes with low-expressed miR-153-3p notably promotes the activation of ANGPT1 and the VEGF/VEGFR2 /PI3K/Akt/eNOS pathways, thereby preventing the damages endothelial cells and cardiomyocytes against hypoxia.
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Affiliation(s)
- Wenlong Ning
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Shuhua Li
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Traditional Chinese Medicine, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Traditional Chinese Medicine, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar, Heilongjiang, China
| | - Weiguang Yang
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Bo Yang
- Department of Traditional Chinese Medicine, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Traditional Chinese Medicine, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar, Heilongjiang, China
| | - Chuanyou Xin
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Xin Ping
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Chuanqi Huang
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Yan Gu
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China
| | - Longzhe Guo
- Department of Emergency, the First Hospital of Qiqihar, Qiqihar 161005, Heilongjiang, China; Department of Emergency, Affiliated Qiqihar Hospital, Southern Medical University, Qiqihar 161000, Heilongjiang, China; Department of Anatomy, School of Basic Medical Sciences, Harbin Medical University, Harbin 150081, Heilongjiang, China.
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15
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He W, Reaume M, Hennenfent M, Lee BP, Rajachar R. Biomimetic hydrogels with spatial- and temporal-controlled chemical cues for tissue engineering. Biomater Sci 2020; 8:3248-3269. [PMID: 32490441 PMCID: PMC7323904 DOI: 10.1039/d0bm00263a] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Biomimetic hydrogels have emerged as the most useful tissue engineering scaffold materials. Their versatile chemistry can recapitulate multiple physical and chemical features to integrate cells, scaffolds, and signaling molecules for tissue regeneration. Due to their highly hydrophilic nature hydrogels can recreate nutrient-rich aqueous environments for cells. Soluble regulatory molecules can be incorporated to guide cell proliferation and differentiation. Importantly, the controlled dynamic parameters and spatial distribution of chemical cues in hydrogel scaffolds are critical for cell-cell communication, cell-scaffold interaction, and morphogenesis. Herein, we review biomimetic hydrogels that provide cells with spatiotemporally controlled chemical cues as tissue engineering scaffolds. Specifically, hydrogels with temporally controlled growth factor-release abilities, spatially controlled conjugated bioactive molecules/motifs, and targeting delivery and reload properties for tissue engineering applications are discussed in detail. Examples of hydrogels that possess clinically favorable properties, such as injectability, self-healing ability, stimulus-responsiveness, and pro-remodeling features, are also covered.
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Affiliation(s)
- Weilue He
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
- FM Wound Care, LLC, Hancock, MI 49930, USA
| | - Max Reaume
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Maureen Hennenfent
- Department of Civil and Environmental Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Bruce P. Lee
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
| | - Rupak Rajachar
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI 49931, USA
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16
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Wu WQ, Peng S, Song ZY, Lin S. Collagen biomaterial for the treatment of myocardial infarction: an update on cardiac tissue engineering and myocardial regeneration. Drug Deliv Transl Res 2020; 9:920-934. [PMID: 30877625 DOI: 10.1007/s13346-019-00627-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Myocardial infarction (MI) remains one of the leading cause of mortality over the world. However, current treatments are more palliative than curative, which only stall the progression of the disease, but not reverse the disease. While stem cells or bioactive molecules therapy is promising, the limited survival and engraftment of bioactive agent due to a hostile environment is a bottleneck for MI treatment. In order to maximize the utility of stem cells and bioactive molecules for myocardial repair and regeneration, various types of biomaterials have been developed. Among them, collagen-based biomaterial is widely utilized for cardiac tissue engineering and regeneration due to its optimal physical and chemical properties. In this review, we summarize the properties of collagen-based biomaterial. Then, we discuss collagen-based biomaterial currently being applied to treat MI alone, or together with stem cells and/or bioactive molecules. Finally, the delivery system of collagen-based biomaterial will also be discussed.
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Affiliation(s)
- Wei-Qiang Wu
- Department of Cardiology, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan, Shapingba, Chongqing, 400038, China
| | - Song Peng
- Department of Cardiology, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan, Shapingba, Chongqing, 400038, China
| | - Zhi-Yuan Song
- Department of Cardiology, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan, Shapingba, Chongqing, 400038, China.
| | - Shu Lin
- Department of Cardiology, Southwest Hospital, Third Military Medical University (Army Medical University), No. 30 Gaotanyan, Shapingba, Chongqing, 400038, China. .,School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Keiraville, NSW, 2522, Australia.
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17
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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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18
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Mandla S, Davenport Huyer L, Wang Y, Radisic M. Macrophage Polarization with Angiopoietin-1 Peptide QHREDGS. ACS Biomater Sci Eng 2019; 5:4542-4550. [DOI: 10.1021/acsbiomaterials.9b00483] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Serena Mandla
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5S 3G9, Canada
| | - Locke Davenport Huyer
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5S 3G9, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Yufeng Wang
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5S 3G9, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada
- Toronto General Research Institute, University Health Network, Toronto, Ontario M5S 3G9, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario M5S 3G9, Canada
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19
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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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20
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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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21
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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: 37] [Impact Index Per Article: 6.2] [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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22
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Fakoya AOJ, Otohinoyi DA, Yusuf J. Current Trends in Biomaterial Utilization for Cardiopulmonary System Regeneration. Stem Cells Int 2018; 2018:3123961. [PMID: 29853910 PMCID: PMC5949153 DOI: 10.1155/2018/3123961] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 11/15/2017] [Accepted: 03/01/2018] [Indexed: 12/28/2022] Open
Abstract
The cardiopulmonary system is made up of the heart and the lungs, with the core function of one complementing the other. The unimpeded and optimal cycling of blood between these two systems is pivotal to the overall function of the entire human body. Although the function of the cardiopulmonary system appears uncomplicated, the tissues that make up this system are undoubtedly complex. Hence, damage to this system is undesirable as its capacity to self-regenerate is quite limited. The surge in the incidence and prevalence of cardiopulmonary diseases has reached a critical state for a top-notch response as it currently tops the mortality table. Several therapies currently being utilized can only sustain chronically ailing patients for a short period while they are awaiting a possible transplant, which is also not devoid of complications. Regenerative therapeutic techniques now appear to be a potential approach to solve this conundrum posed by these poorly self-regenerating tissues. Stem cell therapy alone appears not to be sufficient to provide the desired tissue regeneration and hence the drive for biomaterials that can support its transplantation and translation, providing not only physical support to seeded cells but also chemical and physiological cues to the cells to facilitate tissue regeneration. The cardiac and pulmonary systems, although literarily seen as just being functionally and spatially cooperative, as shown by their diverse and dissimilar adult cellular and tissue composition has been proven to share some common embryological codevelopment. However, necessitating their consideration for separate review is the immense adult architectural difference in these systems. This review also looks at details on new biological and synthetic biomaterials, tissue engineering, nanotechnology, and organ decellularization for cardiopulmonary regenerative therapies.
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Affiliation(s)
| | | | - Joshua Yusuf
- All Saints University School of Medicine, Roseau, Dominica
- All Saints University School of Medicine, Kingstown, Saint Vincent and the Grenadines
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23
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Abstract
Engineering functional cardiac tissues remains an ongoing significant challenge due to the complexity of the native environment. However, our growing understanding of key parameters of the in vivo cardiac microenvironment and our ability to replicate those parameters in vitro are resulting in the development of increasingly sophisticated models of engineered cardiac tissues (ECT). This review examines some of the most relevant parameters that may be applied in culture leading to higher fidelity cardiac tissue models. These include the biochemical composition of culture media and cardiac lineage specification, co-culture conditions, electrical and mechanical stimulation, and the application of hydrogels, various biomaterials, and scaffolds. The review will also summarize some of the recent functional human tissue models that have been developed for in vivo and in vitro applications. Ultimately, the creation of sophisticated ECT that replicate native structure and function will be instrumental in advancing cell-based therapeutics and in providing advanced models for drug discovery and testing.
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24
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Zhu Y, Matsumura Y, Wagner WR. Ventricular wall biomaterial injection therapy after myocardial infarction: Advances in material design, mechanistic insight and early clinical experiences. Biomaterials 2017; 129:37-53. [PMID: 28324864 PMCID: PMC5827941 DOI: 10.1016/j.biomaterials.2017.02.032] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 02/07/2017] [Accepted: 02/26/2017] [Indexed: 12/11/2022]
Abstract
Intramyocardial biomaterial injection therapy for myocardial infarction has made significant progress since concept initiation more than 10 years ago. The interim successes and progress in the first 5 years have been extensively reviewed. During the last 5 years, two phase II clinical trials have reported their long term follow up results and many additional biomaterial candidates have reached preclinical and clinical testing. Also in recent years deeper investigations into the mechanisms behind the beneficial effects associated with biomaterial injection therapy have been pursued, and a variety of process and material parameters have been evaluated for their impact on therapeutic outcomes. This review explores the advances made in this biomaterial-centered approach to ischemic cardiomyopathy and discusses potential future research directions as this therapy seeks to positively impact patients suffering from one of the world's most common sources of mortality.
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Affiliation(s)
- Yang Zhu
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - Yasumoto Matsumura
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA
| | - William R Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15219, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, 15219, USA; Department of Surgery, University of Pittsburgh, Pittsburgh, PA, 15219, USA; Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA, 15219, USA.
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25
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Hydrogel based approaches for cardiac tissue engineering. Int J Pharm 2017; 523:454-475. [DOI: 10.1016/j.ijpharm.2016.10.061] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/24/2016] [Accepted: 10/26/2016] [Indexed: 01/04/2023]
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MacArthur JW, Steele AN, Goldstone AB, Cohen JE, Hiesinger W, Woo YJ. Injectable Bioengineered Hydrogel Therapy in the Treatment of Ischemic Cardiomyopathy. CURRENT TREATMENT OPTIONS IN CARDIOVASCULAR MEDICINE 2017; 19:30. [PMID: 28337717 DOI: 10.1007/s11936-017-0530-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OPINION STATEMENT Over the past two decades, the field of cardiovascular medicine has seen the rapid development of multiple different modalities for the treatment of ischemic myocardial disease. Most research efforts have focused on strategies aimed at coronary revascularization, with significant technological advances made in percutaneous coronary interventions as well as coronary artery bypass graft surgery. However, recent research efforts have shifted towards ways to address the downstream effects of myocardial infarction on both cellular and molecular levels. To this end, the broad application of injectable hydrogel therapy after myocardial infarction has stimulated tremendous interest. In this article, we will review what hydrogels are, how they can be bioengineered in unique ways to optimize therapeutic potential, and how they can be used as part of a treatment strategy after myocardial infarction.
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Affiliation(s)
- John W MacArthur
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA
| | - Amanda N Steele
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA
| | - Andrew B Goldstone
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA
| | - Jeffrey E Cohen
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA
| | - William Hiesinger
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA
| | - Y Joseph Woo
- Department of Cardiothoracic Surgery, Stanford University, Falk Cardiovascular Research Bldg, 2nd Floor, 300 Pasteur Drive, Stanford, CA, 94305-5407, USA.
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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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Ostrovidov S, Shi X, Sadeghian RB, Salehi S, Fujie T, Bae H, Ramalingam M, Khademhosseini A. Stem Cell Differentiation Toward the Myogenic Lineage for Muscle Tissue Regeneration: A Focus on Muscular Dystrophy. Stem Cell Rev Rep 2016; 11:866-84. [PMID: 26323256 DOI: 10.1007/s12015-015-9618-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Skeletal muscle tissue engineering is one of the important ways for regenerating functionally defective muscles. Among the myopathies, the Duchenne muscular dystrophy (DMD) is a progressive disease due to mutations of the dystrophin gene leading to progressive myofiber degeneration with severe symptoms. Although current therapies in muscular dystrophy are still very challenging, important progress has been made in materials science and in cellular technologies with the use of stem cells. It is therefore useful to review these advances and the results obtained in a clinical point of view. This article focuses on the differentiation of stem cells into myoblasts, and their application in muscular dystrophy. After an overview of the different stem cells that can be induced to differentiate into the myogenic lineage, we introduce scaffolding materials used for muscular tissue engineering. We then described some widely used methods to differentiate different types of stem cell into myoblasts. We highlight recent insights obtained in therapies for muscular dystrophy. Finally, we conclude with a discussion on stem cell technology. We discussed in parallel the benefits brought by the evolution of the materials and by the expansion of cell sources which can differentiate into myoblasts. We also discussed on future challenges for clinical applications and how to accelerate the translation from the research to the clinic in the frame of DMD.
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Affiliation(s)
- Serge Ostrovidov
- WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Xuetao Shi
- National Engineering Research Center for Tissue Restoration and Reconstruction & School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, People's Republic of China
| | - 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
| | - Toshinori Fujie
- Department of Life Science and Medical Bioscience, School of Advanced Science and Engineering, Waseda University, Tokyo, 162-8480, 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
- Christian Medical College Bagayam Campus, Centre for Stem Cell Research, 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.
- Division of Biomedical Engineering, Department of Medicine, Harvard Medical School, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Boston, MA, 02139, USA.
- Division of Health Sciences and Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, 02115, USA.
- Department of Physics, King Abdulaziz University, Jeddah, 21569, Saudi Arabia.
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Lister Z, Rayner KJ, Suuronen EJ. How Biomaterials Can Influence Various Cell Types in the Repair and Regeneration of the Heart after Myocardial Infarction. Front Bioeng Biotechnol 2016; 4:62. [PMID: 27486578 PMCID: PMC4948030 DOI: 10.3389/fbioe.2016.00062] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 07/01/2016] [Indexed: 12/15/2022] Open
Abstract
The healthy heart comprises many different cell types that work together to preserve optimal function. However, in a diseased heart the function of one or more cell types is compromised which can lead to many adverse events, one of which is myocardial infarction (MI). Immediately after MI, the cardiac environment is characterized by excessive cardiomyocyte death and inflammatory signals leading to the recruitment of macrophages to clear the debris. Proliferating fibroblasts then invade, and a collagenous scar is formed to prevent rupture. Better functional restoration of the heart is not achieved due to the limited regenerative capacity of cardiac tissue. To address this, biomaterial therapy is being investigated as an approach to improve regeneration in the infarcted heart, as they can possess the potential to control cell function in the infarct environment and limit the adverse compensatory changes that occur post-MI. Over the past decade, there has been considerable research into the development of biomaterials for cardiac regeneration post-MI; and various effects have been observed on different cell types depending on the biomaterial that is applied. Biomaterial treatment has been shown to enhance survival, improve function, promote proliferation, and guide the mobilization and recruitment of different cells in the post-MI heart. This review will provide a summary on the biomaterials developed to enhance cardiac regeneration and remodeling post-MI with a focus on how they control macrophages, cardiomyocytes, fibroblasts, and endothelial cells. A better understanding of how a biomaterial interacts with the different cell types in the heart may lead to the development of a more optimized biomaterial therapy for cardiac regeneration.
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Affiliation(s)
- Zachary Lister
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Katey J Rayner
- Atherosclerosis, Genomics and Cell Biology Group, University of Ottawa Heart Institute , Ottawa, ON , Canada
| | - Erik J Suuronen
- Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa, ON, Canada; Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
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Perea-Gil I, Prat-Vidal C, Bayes-Genis A. In vivo experience with natural scaffolds for myocardial infarction: the times they are a-changin'. Stem Cell Res Ther 2015; 6:248. [PMID: 26670389 PMCID: PMC4681026 DOI: 10.1186/s13287-015-0237-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Treating a myocardial infarction (MI), the most frequent cause of death worldwide, remains one of the most exciting medical challenges in the 21st century. Cardiac tissue engineering, a novel emerging treatment, involves the use of therapeutic cells supported by a scaffold for regenerating the infarcted area. It is essential to select the appropriate scaffold material; the ideal one should provide a suitable cellular microenvironment, mimic the native myocardium, and allow mechanical and electrical coupling with host tissues. Among available scaffold materials, natural scaffolds are preferable for achieving these purposes because they possess myocardial extracellular matrix properties and structures. Here, we review several natural scaffolds for applications in MI management, with a focus on pre-clinical studies and clinical trials performed to date. We also evaluate scaffolds combined with different cell types and proteins for their ability to promote improved heart function, contractility and neovascularization, and attenuate adverse ventricular remodeling. Although further refinement is necessary in the coming years, promising results indicate that natural scaffolds may be a valuable translational therapeutic option with clinical impact in MI repair.
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Affiliation(s)
- Isaac Perea-Gil
- ICREC (Heart Failure and Cardiac Regeneration) Research Lab, Health Sciences Research Institute Germans Trias i Pujol (IGTP). Cardiology Service, Hospital Universitari Germans Trias i Pujol, 08916, Badalona, Barcelona, Spain
| | - Cristina Prat-Vidal
- ICREC (Heart Failure and Cardiac Regeneration) Research Lab, Health Sciences Research Institute Germans Trias i Pujol (IGTP). Cardiology Service, Hospital Universitari Germans Trias i Pujol, 08916, Badalona, Barcelona, Spain.
| | - Antoni Bayes-Genis
- ICREC (Heart Failure and Cardiac Regeneration) Research Lab, Health Sciences Research Institute Germans Trias i Pujol (IGTP). Cardiology Service, Hospital Universitari Germans Trias i Pujol, 08916, Badalona, Barcelona, Spain.,Department of Medicine, Autonomous University of Barcelona (UAB), Barcelona, Spain
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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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