1
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Taylor A, Xu J, Rogozinski N, Fu H, Molina Cortez L, McMahan S, Perez K, Chang Y, Pan Z, Yang H, Liao J, Hong Y. Reduced Graphene-Oxide-Doped Elastic Biodegradable Polyurethane Fibers for Cardiomyocyte Maturation. ACS Biomater Sci Eng 2024; 10:3759-3774. [PMID: 38800901 DOI: 10.1021/acsbiomaterials.3c01908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Conductive biomaterials offer promising solutions to enhance the maturity of cultured cardiomyocytes. While the conventional culture of cardiomyocytes on nonconductive materials leads to more immature characteristics, conductive microenvironments have the potential to support sarcomere development, gap junction formation, and beating of cardiomyocytes in vitro. In this study, we systematically investigated the behaviors of cardiomyocytes on aligned electrospun fibrous membranes composed of elastic and biodegradable polyurethane (PU) doped with varying concentrations of reduced graphene oxide (rGO). Compared to PU and PU-4%rGO membranes, the PU-10%rGO membrane exhibited the highest conductivity, approaching levels close to those of native heart tissue. The PU-rGO membranes retained anisotropic viscoelastic behavior similar to that of the porcine left ventricle and a superior tensile strength. Neonatal rat cardiomyocytes (NRCMs) and human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) on the PU-rGO membranes displayed enhanced maturation with cell alignment and enhanced sarcomere structure and gap junction formation with PU-10%rGO having the most improved sarcomere structure and CX-43 presence. hiPSC-CMs on the PU-rGO membranes exhibited a uniform and synchronous beating pattern compared with that on PU membranes. Overall, PU-10%rGO exhibited the best performance for cardiomyocyte maturation. The conductive PU-rGO membranes provide a promising matrix for in vitro cardiomyocyte culture with promoted cell maturation/functionality and the potential for cardiac disease treatment.
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Affiliation(s)
- Alan Taylor
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Jiazhu Xu
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Nicholas Rogozinski
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Huikang Fu
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Lia Molina Cortez
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Sara McMahan
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Karla Perez
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Yan Chang
- Department of Graduate Nursing, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Zui Pan
- Department of Graduate Nursing, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Huaxiao Yang
- Department of Biomedical Engineering, University of North Texas, Denton, Texas 76207, United States
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76019, United States
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2
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Zhu S, Zhang W, Xu C, Huang J, Zou C. An injectable polyacrylamide/chitosan-based hydrogel with highly adhesive, stretchable and electroconductive properties loaded with irbesartan for treatment of myocardial ischemia-reperfusion injury. Int J Biol Macromol 2024; 266:131175. [PMID: 38552696 DOI: 10.1016/j.ijbiomac.2024.131175] [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: 01/04/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
Myocardial ischemia-reperfusion injury (MIRI) significantly contributes to the high incidence of complications and mortality associated with acute myocardial infarction. Recently, injectable electroconductive hydrogels (IECHs) have emerged as promising tools for replicating the mechanical, electroconductive, and physiological characteristics of cardiac tissue. Herein, we aimed to develop a novel IECH by incorporating irbesartan as a drug delivery system (DDS) for cardiac repair. Our approach involved merging a conductive poly-thiophene derivative (PEDOT: PSS) with an injectable dual-network adhesive hydrogel (DNAH) comprising a catechol-branched polyacrylamide network and a chitosan-hyaluronic acid covalent network. The resulting P-DNAH hydrogel, benefitting from a high conducting polymer content, a chemically crosslinked network, a robust dissipative matrix, and dynamic oxidation of catechol to quinone exhibited superior mechanical strength, desirable conductivity, and robust wet-adhesiveness. In vitro experiments with the P-DNAH hydrogel carrying irbesartan (P-DNAH-I) demonstrated excellent biocompatibility by cck-8 kit on H9C2 cells and a rapid initial release of irbesartan. Upon injection into the infarcted hearts of MIRI mouse models, the P-DNAH-I hydrogel effectively inhibited the inflammatory response and reduced the infarct size. In conclusion, our results suggest that the P-DNAH hydrogel, possessing suitable mechanical properties and electroconductivity, serves as an ideal IECH for DDS, delivering irbesartan to promote heart repair.
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Affiliation(s)
- Shasha Zhu
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Wei Zhang
- Shandong Academy of Pharmaceutical Science, Key Laboratory of Biopharmaceuticals, Engineering Laboratory of Polysaccharide Drugs, National-Local Joint Engineering Laboratory of Polysaccharide Drugs, Jinan 250101, China; CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Chunming Xu
- Department of Cardiology, Zhangjiagang First People Hospital, Suzhou 215600, China
| | - Jie Huang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Cao Zou
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.
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3
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Tang G, Li Z, Ding C, Zhao J, Xing X, Sun Y, Qiu X, Wang L. A cigarette filter-derived biomimetic cardiac niche for myocardial infarction repair. Bioact Mater 2024; 35:362-381. [PMID: 38379697 PMCID: PMC10876615 DOI: 10.1016/j.bioactmat.2024.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/24/2024] [Accepted: 02/07/2024] [Indexed: 02/22/2024] Open
Abstract
Cell implantation offers an appealing avenue for heart repair after myocardial infarction (MI). Nevertheless, the implanted cells are subjected to the aberrant myocardial niche, which inhibits cell survival and maturation, posing significant challenges to the ultimate therapeutic outcome. The functional cardiac patches (CPs) have been proved to construct an elastic conductive, antioxidative, and angiogenic microenvironment for rectifying the aberrant microenvironment of the infarcted myocardium. More importantly, inducing implanted cardiomyocytes (CMs) adapted to the anisotropic arrangement of myocardial tissue by bioengineered structural cues within CPs are more conducive to MI repair. Herein, a functional Cig/(TA-Cu) CP served as biomimetic cardiac niche was fabricated based on structural anisotropic cigarette filter by modifying with tannic acid (TA)-chelated Cu2+ (TA-Cu complex) via a green method. This CP possessed microstructural anisotropy, electrical conductivity and mechanical properties similar to natural myocardium, which could promote elongation, orientation, maturation, and functionalization of CMs. Besides, the Cig/(TA-Cu) CP could efficiently scavenge reactive oxygen species, reduce CM apoptosis, ultimately facilitating myocardial electrical integration, promoting vascular regeneration and improving cardiac function. Together, our study introduces a functional CP that integrates multimodal cues to create a biomimetic cardiac niche and provides an effective strategy for cardiac repair.
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Affiliation(s)
- Guofeng Tang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Zhentao Li
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Thoracic and Cardiovascular Surgery, The Tenth Affiliated Hospital, Southern Medical University (Dongguan People's Hospital), Dongguan, Guangdong, 523058, PR China
| | - Chengbin Ding
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Jiang Zhao
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Xianglong Xing
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Yan Sun
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Xiaozhong Qiu
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
| | - Leyu Wang
- Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangzhou, Guangdong, 510515, PR China
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4
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Ren H, Zhang Z, Chen X, He C. Stimuli-Responsive Hydrogel Adhesives for Wound Closure and Tissue Regeneration. Macromol Biosci 2024; 24:e2300379. [PMID: 37827713 DOI: 10.1002/mabi.202300379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 09/27/2023] [Indexed: 10/14/2023]
Abstract
Sutures and staplers, as gold standards for clinical wound closure, usually cause secondary tissue injury and require professional technicians and equipment. The noninvasive hydrogel adhesives are used in various biomedical applications, such as wound closure, tissue sealing, and tissue regeneration, due to their remarkable properties. Recently-developed hydrogel adhesives, especially stimuli-responsive hydrogels, have shown great potential owing to their advantages in regulating their performance and functions according to the wound situations or external conditions, thus allowing the wounds to heal gradually. However, comprehensive summary on stimuli-responsive hydrogels as tissue adhesives is rarely reported to date. This review focuses on the advances in the design of various stimuli-responsive hydrogel adhesives over the past decade, including the systems responsive to pH, temperature, photo, and enzymes. Their potential biomedical applications, such as skin closure, cardiovascular and liver hemostasis, and gastrointestinal sealing, are emphasized. Meanwhile, the challenges and future development of stimuli-responsive hydrogel adhesives are discussed. This review aims to provide meaningful insights for the further design of next-generation of hydrogel adhesives for wound closure and tissue regeneration.
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Affiliation(s)
- Hui Ren
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Zhen Zhang
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Xuesi Chen
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Chaoliang He
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China
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5
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Liu Y, Wang L, Liu Z, Kang Y, Chen T, Xu C, Zhu T. Durable Immunomodulatory Nanofiber Niche for the Functional Remodeling of Cardiovascular Tissue. ACS NANO 2024; 18:951-971. [PMID: 38146717 DOI: 10.1021/acsnano.3c09692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Abstract
Functional remodeling and prolonged anti-inflammatory responses are both vital for repairing damage in the cardiovascular system. Although these aspects have each been studied extensively alone, attempts to fabricate scaffolds that combine these effects have seen limited success. In this study, we synthesized salvianic acid A (SA, danshensu) blocked biodegradable polyurethane (PCHU-D) and enclosed it within electrospun nanofibers to synthesize a durable immunomodulatory nanofiber niche (DINN), which provided sustained SA release during inflammation. Given its excellent processability, mechanical properties, and shape memory function, we developed two variants of the DINN as vascular scaffolds and heart patches. Both these variants exhibited outstanding therapeutic effects in in vivo experiments. The DINN was expertly designed such that it gradually decomposes along with SA release, substantially facilitating cellular infiltration and tissue remodeling. Therefore, the DINN effectively inhibited the migration and chemotaxis of inflammatory cells, while also increasing the expression of angiogenic genes. As a result, it promoted the recovery of myocardial function after myocardial infarction and induced rapid reendothelialization following arterial orthotopic transplantation repair. These excellent characteristics indicate that the DINN holds great potential as a multifunctional agent for repairing cardiovascular tissues.
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Affiliation(s)
- Yonghang Liu
- Multidisciplinary Centre for Advanced Materials, Institute for Frontier Medical Technology, School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P.R. China
| | - Liren Wang
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai 200233, P.R. China
| | - Zhuo Liu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, School of Basic Medical Sciences, Fudan University, 138 Xueyuan Road, Shanghai 200032, P.R. China
| | - Yuhao Kang
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai 200233, P.R. China
| | - Tianhui Chen
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, 83 Fenyang Road, Shanghai 200031, P.R. China
| | - Chen Xu
- Department of Physiology and Pathophysiology, Shanghai Key Laboratory of Bioactive Small Molecules, School of Basic Medical Sciences, Fudan University, 138 Xueyuan Road, Shanghai 200032, P.R. China
| | - Tonghe Zhu
- Multidisciplinary Centre for Advanced Materials, Institute for Frontier Medical Technology, School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, P.R. China
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6
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Zhang L, Bei Z, Li T, Qian Z. An injectable conductive hydrogel with dual responsive release of rosmarinic acid improves cardiac function and promotes repair after myocardial infarction. Bioact Mater 2023; 29:132-150. [PMID: 37621769 PMCID: PMC10444974 DOI: 10.1016/j.bioactmat.2023.07.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 07/05/2023] [Accepted: 07/05/2023] [Indexed: 08/26/2023] Open
Abstract
Myocardial infarction (MI) causes irreversible damage to the heart muscle, seriously threatening the lives of patients. Injectable hydrogels have attracted extensive attention in the treatment of MI. By promoting the coupling of mechanical and electrical signals between cardiomyocytes, combined with synergistic therapeutic strategies targeting the pathological processes of inflammation, proliferation, and fibrotic remodeling after MI, it is expected to improve the therapeutic effect. In this study, a pH/ROS dual-responsive injectable hydrogel was developed by modifying xanthan gum and gelatin with reversible imine bond and boronic ester bond double crosslinking. By encapsulating polydopamine-rosmarinic acid nanoparticles to achieve on-demand drug release in response to the microenvironment of MI, thereby exerting anti-inflammatory, anti-apoptotic, and anti-fibrosis effects. By adding conductive composites to improve the conductivity and mechanical strength of the hydrogel, restore electrical signal transmission in the infarct area, promote synchronous contraction of cardiomyocytes, avoid induced arrhythmias, and induce angiogenesis. Furthermore, the multifunctional hydrogel promoted the expression of cardiac-specific markers to restore cardiac function after MI. The in vivo and in vitro results demonstrate the effectiveness of this synergistic comprehensive treatment strategy in MI treatment, showing great application potential to promote the repair of infarcted hearts.
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Affiliation(s)
- Linghong Zhang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhongwu Bei
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Tao Li
- Department of Pediatric Cardiac Surgery, West China the Second Hospital, Sichuan University, Chengdu, 610041, China
| | - Zhiyong Qian
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, China
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7
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Song X, Zhang J, Shen S, Liu D, Zhang J, Yin W, Ye G, Wang L, Cai L, Hou H, Qiu X. Cardiac-Adaptive Conductive Hydrogel Patch Enabling Construction of Mechanical-Electrical Anisotropic Microenvironment for Heart Repair. RESEARCH (WASHINGTON, D.C.) 2023; 6:0161. [PMID: 37303598 PMCID: PMC10250027 DOI: 10.34133/research.0161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/14/2023] [Indexed: 06/13/2023]
Abstract
The biomimetic construction of a microstructural-mechanical-electrical anisotropic microenvironment adaptive to the native cardiac tissue is essential to repair myocardial infarction (MI). Inspired by the 3D anisotropic characteristic of the natural fish swim bladder (FSB), a novel flexible, anisotropic, and conductive hydrogel was developed for tissue-specific adaptation to the anisotropic structural, conductive, and mechanical features of the native cardiac extracellular matrix. The results revealed that the originally stiff, homogeneous FSB film was tailored to a highly flexible anisotropic hydrogel, enabling its potential as a functional engineered cardiac patch (ECP). In vitro and in vivo experiments demonstrated the enhanced electrophysiological activity, maturation, elongation, and orientation of cardiomyocytes (CMs), and marked MI repair performance with reduced CM apoptosis and myocardial fibrosis, thereby promoting cell retention, myogenesis, and vascularization, as well as improving electrical integration. Our findings offer a potential strategy for functional ECP and provides a novel strategy to bionically simulate the complex cardiac repair environment.
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Affiliation(s)
- Xiaoping Song
- Central Laboratory, The Fifth Affiliated Hospital,
Southern Medical University, Guangzhou, Guangdong 510910, China
| | - Jifeng Zhang
- Department of Anatomy, Neuroscience Laboratory for Cognitive and Developmental Disorders, Medical College of Jinan University, Guangzhou 510630, China
| | - Si Shen
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Dan Liu
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jie Zhang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wenming Yin
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Genlan Ye
- Central Laboratory, The Fifth Affiliated Hospital,
Southern Medical University, Guangzhou, Guangdong 510910, China
| | - Leyu Wang
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Liu Cai
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Honghao Hou
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Science; Biomaterials Research Center, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiaozhong Qiu
- Central Laboratory, The Fifth Affiliated Hospital,
Southern Medical University, Guangzhou, Guangdong 510910, China
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8
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Lin X, Yang X, Li P, Xu Z, Zhao L, Mu C, Li D, Ge L. Antibacterial Conductive Collagen-Based Hydrogels for Accelerated Full-Thickness Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:22817-22829. [PMID: 37145770 DOI: 10.1021/acsami.2c22932] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Antibacterial conductive hydrogels have been extensively utilized in tissue repair and regeneration on account of their unique electrochemical performances and advantages of anti-pathogenic bacterial infection. Here, multi-functional collagen-based hydrogels (CHLY) with adhesivity, conductivity, and antibacterial and antioxidant activities were developed by introducing cysteine-modified ε-poly(l-lysine) (ε-PL-SH) and in situ-polymerized polypyrrole (PPy) nanoparticles to induce full-thickness wound healing. CHLY hydrogels have a low swelling ratio, good compressive strength, and viscoelasticity due to chemical crosslinking, chelation, physical interaction, and nano-reinforcements in the matrix network of hydrogels. CHLY hydrogels possess excellent tissue adhesion ability, low cytotoxicity, enhanced cell migration ability, and good blood coagulation performance without causing hemolysis. Interestingly, the chemical conjugation of ε-PL-SH in the hydrogel matrix gives hydrogels an inherently robust and broad-spectrum antibacterial activity, while the introduction of PPy endows hydrogels with superior free radical scavenging capacity and good electroactivity. Significantly, CHLY hydrogels have advantages in alleviating persistent inflammatory response as well as promoting angiogenesis, epidermis regeneration, and orderly collagen deposition at the wound sites through their multi-functional synergies, thus effectively accelerating full-thickness wound healing and improving wound healing quality. Overall, our developed multi-functional collagen-based hydrogel dressing demonstrates promising application prospects in the field of tissue engineering to induce skin regeneration.
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Affiliation(s)
- Xianyu Lin
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Xue Yang
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Panyu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Zhilang Xu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Lei Zhao
- Department of Periodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P. R. China
| | - Changdao Mu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Defu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Liming Ge
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, P. R. China
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9
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Borges MHR, Nagay BE, Costa RC, Souza JGS, Mathew MT, Barão VAR. Recent advances of polypyrrole conducting polymer film for biomedical application: Toward a viable platform for cell-microbial interactions. Adv Colloid Interface Sci 2023; 314:102860. [PMID: 36931199 DOI: 10.1016/j.cis.2023.102860] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/04/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
Polypyrrole (PPy) is one of the most studied conductive polymers due to its electrical conductivity and biological properties, which drive the possibility of numerous applications in the biomedical area. The physical-chemical features of PPy allow the manufacture of biocompatible devices, enhancing cell adhesion and proliferation. Furthermore, owing to the electrostatic interactions between the negatively charged bacterial cell wall and the positive charges in the polymer structure, PPy films can perform an effective antimicrobial activity. PPy is also frequently associated with biocompatible agents and antimicrobial compounds to improve the biological response. Thus, this comprehensive review appraised the available evidence regarding the PPy-based films deposited on metallic implanted devices for biomedical applications. We focus on understanding key concepts that could influence PPy attributes regarding antimicrobial effect and cell behavior under in vitro and in vivo settings. Furthermore, we unravel the several agents incorporated into the PPy film and strategies to improve its functionality. Our findings suggest that incorporating other elements into the PPy films, such as antimicrobial agents, biomolecules, and other biocompatible polymers, may improve the biological responses. Overall, the basic properties of PPy, when combined with other composites, electrostimulation techniques, or surface treatment methods, offer great potential in biocompatibility and/or antimicrobial activities. However, challenges in synthesis standardization and potential limitations such as low adhesion and mechanical strength of the film must be overcome to improve and broaden the application of PPy film in biomedical devices.
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Affiliation(s)
- Maria H R Borges
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo 13414-903, Brazil
| | - Bruna E Nagay
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo 13414-903, Brazil
| | - Raphael C Costa
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo 13414-903, Brazil
| | - João Gabriel S Souza
- Dental Research Division, Guarulhos University (UNG), Guarulhos, Sāo Paulo 07023-070, Brazil; Dental Science School (Faculdade de Ciências Odontológicas - FCO), Montes Claros, Minas Gerais 39401-303, Brazil
| | - Mathew T Mathew
- Department of Biomedical Sciences, University of Illinois, College of Medicine, Rockford, IL 61107, USA
| | - Valentim A R Barão
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo 13414-903, Brazil.
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10
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Liu W, Zhao N, Yin Q, Zhao X, Guo K, Xian Y, Li S, Wang C, Zhu M, Du Y, Xu FJ, Wang C, Zhou J. Injectable Hydrogels Encapsulating Dual-Functional Au@Pt Core-Shell Nanoparticles Regulate Infarcted Microenvironments and Enhance the Therapeutic Efficacy of Stem Cells through Antioxidant and Electrical Integration. ACS NANO 2023; 17:2053-2066. [PMID: 36695873 PMCID: PMC9933615 DOI: 10.1021/acsnano.2c07436] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 01/20/2023] [Indexed: 06/17/2023]
Abstract
Injectable functional biomaterials have made significant progress in cardiac regenerative. In addition, how to adjust the abominable infarction microenvironment and introduce therapeutic stem cells to improve the healing effect has become a hotspot. Herein, injectable stem cell vector is prepared by combining natural alginate hydrogel and Au@Pt nanoparticles (Au@Pt/Alg hydrogel) to encapsulate brown adipose stem cells (BASCs). Au@Pt nanoparticles with both antioxidative and conductive properties could effectively eliminate reactive oxygen species, enhance the frequency of action potential release of cardiomyocytes, and further reduce the inflammatory factors of macrophage in vitro. The Au@Pt/Alg hydrogel enhances the antioxidant, differentiation, and paracrine capability of BASCs. The effect of BASCs loaded Au@Pt/Alg hydrogel is evaluated in a rat myocardial infarction (MI) model. The antioxidant, anti-inflammatory, and heart electrical integration are showed in the MI model. More interestingly, Au@Pt/Alg hydrogel can effectively maintain the paracrine efficiency and pro-angiogenesis effects of BASCs in the infarcted area. This study led us to recognize the great value of Au@Pt/Alg hydrogels for their ability to actively regulate the microenvironment and carry stem cells for MI treatment.
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Affiliation(s)
- Wei Liu
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Nana Zhao
- Key
Lab of Biomedical Materials of Natural Macromolecules (Beijing University
of Chemical Technology, Ministry of Education), Beijing, 100029, China
- Beijing Laboratory
of Biomedical Materials, Beijing University
of Chemical Technology, Beijing, 100029, China
- Beijing
Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- College
of Materials Science and Engineering, Beijing
University of Chemical Technology, Beijing, 100029, China
| | - Qi Yin
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Xiaoyi Zhao
- Key
Lab of Biomedical Materials of Natural Macromolecules (Beijing University
of Chemical Technology, Ministry of Education), Beijing, 100029, China
- Beijing Laboratory
of Biomedical Materials, Beijing University
of Chemical Technology, Beijing, 100029, China
- Beijing
Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- College
of Materials Science and Engineering, Beijing
University of Chemical Technology, Beijing, 100029, China
| | - Kangli Guo
- Key
Lab of Biomedical Materials of Natural Macromolecules (Beijing University
of Chemical Technology, Ministry of Education), Beijing, 100029, China
- Beijing Laboratory
of Biomedical Materials, Beijing University
of Chemical Technology, Beijing, 100029, China
- Beijing
Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- College
of Materials Science and Engineering, Beijing
University of Chemical Technology, Beijing, 100029, China
| | - Yifan Xian
- Key
Lab of Biomedical Materials of Natural Macromolecules (Beijing University
of Chemical Technology, Ministry of Education), Beijing, 100029, China
- Beijing
Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- College
of Materials Science and Engineering, Beijing
University of Chemical Technology, Beijing, 100029, China
| | - Siwei Li
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Chunlan Wang
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Miaomiao Zhu
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Yurong Du
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Fu-Jian Xu
- Key
Lab of Biomedical Materials of Natural Macromolecules (Beijing University
of Chemical Technology, Ministry of Education), Beijing, 100029, China
- Beijing Laboratory
of Biomedical Materials, Beijing University
of Chemical Technology, Beijing, 100029, China
- Beijing
Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
- College
of Materials Science and Engineering, Beijing
University of Chemical Technology, Beijing, 100029, China
| | - Changyong Wang
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
| | - Jin Zhou
- Beijing
Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, China
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11
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Yin Q, Zhu P, Liu W, Gao Z, Zhao L, Wang C, Li S, Zhu M, Zhang Q, Zhang X, Wang C, Zhou J. A Conductive Bioengineered Cardiac Patch for Myocardial Infarction Treatment by Improving Tissue Electrical Integrity. Adv Healthc Mater 2023; 12:e2201856. [PMID: 36226990 DOI: 10.1002/adhm.202201856] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/14/2022] [Indexed: 02/03/2023]
Abstract
Conductive scaffolds are of great value for constructing functional myocardial tissues and promoting tissue reconstruction in the treatment of myocardial infarction (MI). Here, a novel scaffold composed of silk fibroin and polypyrrole (SP50) with a typical sponge-like porous structure and electrical conductivity similar to the native myocardium is developed. An electroactive engineered cardiac patch (SP50 ECP) with a certain thickness is constructed by applying electrical stimulation (ES) to the cardiomyocytes (CMs) on the scaffold. SP50 ECP can significantly express cardiac marker protein (α-actinin, Cx-43, and cTnT) and has better contractility and electrical coupling performance. Following in vivo transplantation, SP50 ECP shows a notable therapeutic effect in repairing infarcted myocardium. Not only can SP50 ECP effectively improves left ventricular remodeling and restore cardiac functions, such as ejection function (EF), but more importantly, improves the propagation of electrical pulses and promote the synchronous contraction of CMs in the scar area with normal myocardium, effectively reducing the susceptibility of MI rats to arrhythmias. In conclusion, this study demonstrates a facile approach to constructing electroactive ECPs based on porous conductive scaffolds and proves the therapeutic effects of ECPs in repairing the infarcted heart, which may represent a promising strategy for MI treatment.
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Affiliation(s)
- Qi Yin
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Ping Zhu
- Department of Geriatrics, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, P. R. China
| | - Wei Liu
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Zhongbao Gao
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Luming Zhao
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Chunlan Wang
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Siwei Li
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Miaomiao Zhu
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Qi Zhang
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Xiao Zhang
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Changyong Wang
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
| | - Jin Zhou
- Beijing Institute of Basic Medical Sciences, Beijing, 100850, P. R. China
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12
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Gao Y, Yu L, Li Y, Wei L, Yin J, Wang F, Wang L, Mao J. Maple Leaf Inspired Conductive Fiber with Hierarchical Wrinkles for Highly Stretchable and Integratable Electronics. ACS APPLIED MATERIALS & INTERFACES 2022; 14:49059-49071. [PMID: 36251510 DOI: 10.1021/acsami.2c12746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Stretchable and durable conductors are significant to the development of wearable devices, robots, human-machine interfaces, and other artificial intelligence products. However, the desirable strain-insensitive conductivity and low hysteresis are restricted by the failure of stretchable structures and mismatch of mechanical properties (rigid conductive layer and elastic core substrate) under large deformation. Here, based on the principles of fractal geometry, a stretchable conductive fiber with hierarchical wrinkles inspired by the unique shape of the maple leaf was fabricated by combining surface modification, interfacial polymerization, and improved prestrain finishing methods to break through this dilemma. The shape and size of wrinkles predicted by buckling analysis via the finite element method fit well with that of actual wrinkles (30-80 μm of macro wrinkles and 4-6 μm of micro wrinkles) on the fabricated fiber. Such hierarchically wrinkled conductive fiber (HWCF) exhibited not only excellent strain-insensitive conductivity denoted by the relative resistance change ΔR/R0 = 0.66 with R0 the original resistance and ΔR the change of resistance after the concrete strain reaching up to 600%, but also low hysteresis (0.04) calculated by the difference in area between stretching and releasing curve of the ΔR/R0 strain under 300% strain and long-term durability (>1000 stretching-releasing cycles). Furthermore, the elastic conductive fiber with such a bionic structure design can be applied as highly stretchable electrical circuits for illumination and monitors for the human motion under large strains through tiny and rapid resistance changes as well. Such a smart biomimetic material holds great prospects in the field of stretchable electronics.
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Affiliation(s)
- Yaya Gao
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Lingyao Yu
- Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin541004, China
| | - Yimeng Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Leqian Wei
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
| | - Jun Yin
- Guangxi Key Laboratory of Optoelectronic Information Processing, School of Optoelectronic Engineering, Guilin University of Electronic Technology, Guilin541004, China
| | - Fujun Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
| | - Jifu Mao
- Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai201620, China
- Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai201620, China
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13
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Conductive fibers for biomedical applications. Bioact Mater 2022; 22:343-364. [PMID: 36311045 PMCID: PMC9588989 DOI: 10.1016/j.bioactmat.2022.10.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/12/2022] [Accepted: 10/07/2022] [Indexed: 11/26/2022] Open
Abstract
Bioelectricity has been stated as a key factor in regulating cell activity and tissue function in electroactive tissues. Thus, various biomedical electronic constructs have been developed to interfere with cell behaviors to promote tissue regeneration, or to interface with cells or tissue/organ surfaces to acquire physiological status via electrical signals. Benefiting from the outstanding advantages of flexibility, structural diversity, customizable mechanical properties, and tunable distribution of conductive components, conductive fibers are able to avoid the damage-inducing mechanical mismatch between the construct and the biological environment, in return to ensure stable functioning of such constructs during physiological deformation. Herein, this review starts by presenting current fabrication technologies of conductive fibers including wet spinning, microfluidic spinning, electrospinning and 3D printing as well as surface modification on fibers and fiber assemblies. To provide an update on the biomedical applications of conductive fibers and fiber assemblies, we further elaborate conductive fibrous constructs utilized in tissue engineering and regeneration, implantable healthcare bioelectronics, and wearable healthcare bioelectronics. To conclude, current challenges and future perspectives of biomedical electronic constructs built by conductive fibers are discussed.
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14
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Xu K, Wu X, Zhang X, Xing M. Bridging wounds: tissue adhesives' essential mechanisms, synthesis and characterization, bioinspired adhesives and future perspectives. BURNS & TRAUMA 2022; 10:tkac033. [PMID: 36225327 PMCID: PMC9548443 DOI: 10.1093/burnst/tkac033] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 04/29/2022] [Indexed: 11/05/2022]
Abstract
Bioadhesives act as a bridge in wound closure by forming an effective interface to protect against liquid and gas leakage and aid the stoppage of bleeding. To their credit, tissue adhesives have made an indelible impact on almost all wound-related surgeries. Their unique properties include minimal damage to tissues, low chance of infection, ease of use and short wound-closure time. In contrast, classic closures, like suturing and stapling, exhibit potential additional complications with long operation times and undesirable inflammatory responses. Although tremendous progress has been made in the development of tissue adhesives, they are not yet ideal. Therefore, highlighting and summarizing existing adhesive designs and synthesis, and comparing the different products will contribute to future development. This review first provides a summary of current commercial traditional tissue adhesives. Then, based on adhesion interaction mechanisms, the tissue adhesives are categorized into three main types: adhesive patches that bind molecularly with tissue, tissue-stitching adhesives based on pre-polymer or precursor solutions, and bioinspired or biomimetic tissue adhesives. Their specific adhesion mechanisms, properties and related applications are discussed. The adhesion mechanisms of commercial traditional adhesives as well as their limitations and shortcomings are also reviewed. Finally, we also discuss the future perspectives of tissue adhesives.
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Affiliation(s)
- Kaige Xu
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| | - Xiaozhuo Wu
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| | - Xingying Zhang
- Department of Mechanical Engineering, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
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15
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Huang Y, Mu L, Zhao X, Han Y, Guo B. Bacterial Growth-Induced Tobramycin Smart Release Self-Healing Hydrogel for Pseudomonas aeruginosa-Infected Burn Wound Healing. ACS NANO 2022; 16:13022-13036. [PMID: 35921085 DOI: 10.1021/acsnano.2c05557] [Citation(s) in RCA: 151] [Impact Index Per Article: 75.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Burns are a common health problem worldwide and are highly susceptible to bacterial infections that are difficult to handle with ordinary wound dressings. Therefore, burn wound repair is extremely challenging in clinical practice. Herein, a series of self-healing hydrogels (QCS/OD/TOB/PPY@PDA) with good electrical conductivity and antioxidant activity were prepared on the basis of quaternized chitosan (QCS), oxidized dextran (OD), tobramycin (TOB), and polydopamine-coated polypyrrole nanowires (PPY@PDA NWs). These Schiff base cross-links between the aminoglycoside antibiotic TOB and OD enable TOB to be slowly released and responsive to pH. Interestingly, the acidic substances during the bacteria growth process can induce the on-demand release of TOB, avoiding the abuse of antibiotics. The antibacterial results showed that the QCS/OD/TOB/PPY@PDA9 hydrogel could kill high concentrations of Pseudomonas aeruginosa (PA), Staphylococcus aureus, and Escherichia coli in a short time and showed a bactericidal effect for up to 11 days in an agar plate diffusion experiment, while showing good in vivo antibacterial activity. Excellent and long-lasting antibacterial properties make it suitable for severely infected wounds. Furthermore, the incorporation of PPY@PDA endowed the hydrogel with near-infrared (NIR) irradiation assisted bactericidal activity of drug-resistant bacteria, conductivity, and antioxidant activity. Most importantly, in the PA-infected burn wound model, the QCS/OD/TOB/PPY@PDA9 hydrogel more effectively controlled wound inflammation levels and promoted collagen deposition, vascular generation, and earlier wound closure compared to Tegaderm dressings. Therefore, the TOB smart release hydrogels with on-demand delivery are extremely advantageous for bacterial-infected burn wound healing.
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Affiliation(s)
- Ying Huang
- State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lei Mu
- State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xin Zhao
- State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yong Han
- State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Baolin Guo
- State Key Laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, China
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16
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Li Y, Qiu X. Bioelectricity-coupling patches for repairing impaired myocardium. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1787. [PMID: 35233963 DOI: 10.1002/wnan.1787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/27/2021] [Accepted: 01/31/2022] [Indexed: 11/10/2022]
Abstract
Cardiac abnormalities, which account for extensive burdens on public health and economy, drive necessary attempts to revolutionize the traditional therapeutic system. Advances in cardiac tissue engineering have expanded a highly efficacious platform to address cardiovascular events, especially cardiac infarction. Current efforts to overcome biocompatible limitations highlight the constructs of a conductive cardiac patch to accelerate the industrial and clinical landscape that is amenable for patient-accurate therapy, regenerative medicine, disease modeling, and drug delivery. With the notion that cardiac tissue synchronically contracts triggered by electrical pulses, the cardiac patches based on conductive materials are developed and treated on the dysfunctional heart. In this review, we systematically summarize distinct conductive materials serving as the most promising alternatives (conductive nanomaterials, conductive polymers, piezoelectric polymers, and ionic electrolytes) to achieve electric signal transmission and engineered cardiac tissues. Existing applications are discussed considering how these patches containing conductive candidates are fabricated into diverse forms with major strategies. Ultimately, we try to define a new concept as a bioelectricity-coupling patch that provides a favorable cardiac micro-environment for cardiac functional activities. Underlying challenges and prospects are presented regarding industrial processing and cardiovascular treatment of conductive patch progress. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Cardiovascular Disease.
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Affiliation(s)
- Yuedan Li
- The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaozhong Qiu
- The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong, China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
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17
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Pournemati B, Tabesh H, Jenabi A, Mehdinavaz Aghdam R, Hossein Rezayan A, Poorkhalil A, Ahmadi Tafti SH, Mottaghy K. Injectable conductive nanocomposite hydrogels for cardiac tissue engineering: Focusing on carbon and metal-based nanostructures. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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18
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Zhu S, Yu C, Liu N, Zhao M, Chen Z, Liu J, Li G, Huang H, Guo H, Sun T, Chen J, Zhuang J, Zhu P. Injectable conductive gelatin methacrylate / oxidized dextran hydrogel encapsulating umbilical cord mesenchymal stem cells for myocardial infarction treatment. Bioact Mater 2022; 13:119-134. [PMID: 35224296 PMCID: PMC8844712 DOI: 10.1016/j.bioactmat.2021.11.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/04/2021] [Accepted: 11/07/2021] [Indexed: 02/03/2023] Open
Abstract
Umbilical cord mesenchymal stem cells (UCMSCs) transplantation has been proposed as a promising treatment modality for myocardial infarction (MI), but the low retention rate remains a considerable challenge. Injectable natural polymer hydrogels with conductivity ability are highly desirable as cell delivery vehicles to repair infarct myocardium and restore the cardiac function. In this work, we developed a hydrogel system based on gelatin methacrylate (GelMA) and oxidized dextran (ODEX) as cell delivery vehicles for MI. And dopamine could be used as a reductant of graphene oxide (GO) to form reductive GO (rGO). By adjusting the amount of rGO, the conductivity of hydrogels with 0.5 mg/mL rGO concentration (≈10−4 S/cm) was similar to that of natural heart tissue. In vitro cell experiments showed that the prepared hydrogels had excellent biocompatibility and cell delivery ability of UCMSCs. More importantly, GelMA-O5/rGO hydrogel could promote UCMSCs growth and proliferation, improve the myocardial differentiation ability of UCMSCs, and up-regulate the expression of cTnI and Cx43. Further in vivo experiments demonstrated that GelMA-O5/rGO/UCMSCs Hydrogel could significantly improve the ejection fraction (EF) of rats and significantly reduce myocardial infarct area compared to PBS group, promote the survival of UCMSCs, enhance the expression level of cTnI and Cx43, and decrease the expression level of caspase-3. The findings of this study suggested that the injectable conductive GelMA-O5/rGO hydrogel encapsulating UCMSCs could improve damaged myocardial tissue and reconstruct myocardial function, which will be a promising therapeutic strategy for cardiac repair. Conducting interpenetrating polymer network (IPN) hydrogels were synthesized for myocardial infarction treatment. The conductivity of hydrogel with 0.5 mg/mL rGO concentration (≈10−4 S/cm) was similar to that of natural heart tissue. The hydrogel could promote the growth and proliferation of UCMSCs, and improve the myocardial differentiation ability of UCMSCs. The hydrogel could reduce infarct size and cardiac fibrosis in the infarct zone, increase ventricular ejection fraction. The hydrogel could promote the survival of UCMSCs, up-regulate the expression level of cTnI and Cx43, down-regulate the expression level of caspase-3.
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19
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Zhao G, Zhou H, Jin G, Jin B, Geng S, Luo Z, Ge Z, Xu F. Rational Design of Electrically Conductive Biomaterials toward Excitable Tissues Regeneration. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Zhao G, Feng Y, Xue L, Cui M, Zhang Q, Xu F, Peng N, Jiang Z, Gao D, Zhang X. Anisotropic conductive reduced graphene oxide/silk matrices promote post-infarction myocardial function by restoring electrical integrity. Acta Biomater 2022; 139:190-203. [PMID: 33836222 DOI: 10.1016/j.actbio.2021.03.073] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/29/2021] [Accepted: 03/30/2021] [Indexed: 02/07/2023]
Abstract
Myocardial infarction (MI) remains the leading cause of death globally, often leading to impaired cardiac function and pathological myocardial microenvironment. Electrical conduction abnormalities of the infarcted myocardium not only induce adverse myocardial remodeling but also prevent tissue repair. Restoring the myocardial electrical integrity, particularly the anisotropic electrical signal propagation within the injured area after infarction is crucial for an effective function recovery. Herein, optimized reduced graphene oxide (rGO) functionalized electrospun silk fibroin (rGO/silk) biomaterials presenting anisotropic conductivity and enhanced suturablity were developed and investigated as cardiac patches for their potential in improving the post-MI myocardial function of rat models. The results show that the anisotropic conductive rGO/silk patches exhibit remarkable therapeutic effect on repairing the infarcted myocardium compared to the nonconductive silk and isotropic conductive rGO/silk patches as determined by the enhanced pumping function, reduced susceptibility to arrhythmias, thickened left ventricular walls and improved survival of functional cardiomyocytes. Their notable effect on promoting the angiogenesis of capillaries in the infarcted myocardium has also been demonstrated. This study highlights an effective and biomimetic reconstruction of the electrical myocardial microenvironment based on the anisotropic conductive rGO/silk biomaterials as a promising option for promoting the repair of infarcted myocardium. STATEMENT OF SIGNIFICANCE: The dysfunctional electrical microenvironment in the infarcted myocardium not only aggravates the adverse myocardial remodeling but also limits the effect of cardiac regenerative medicine. Although various conductive biomaterials have been employed to restore the electrical network in the infarcted myocardium in vivo, the anisotropic nature of the myocardial electrical microenvironment which enables directional electrical signal propagation were neglected. In this study, an anisotropic conductive rGO/silk biomaterial system is developed to improve the myocardial function post infarction by restoring the anisotropic electrical microenvironment in the infarcted myocardium. The promoted effects of anisotropic conductive grafts on repairing infarcted hearts are demonstrated with improved pumping function, cardiomyocyte survival, resistance to ventricular fibrillation, and angiogenesis of capillary network.
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Affiliation(s)
- Guoxu Zhao
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shannxi, PR China; School of Material Science and Chemical Engineering, Xi'an Technological University, Xi'an 710021, Shaanxi, PR China
| | - Yanjing Feng
- Department of Cardiology, The Second Affiliated Hospital, School of Medical, Xi'an Jiaotong University, Xi'an 710004, Shaanxi, PR China
| | - Li Xue
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shannxi, PR China
| | - Mengjie Cui
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shannxi, PR China
| | - Qi Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shannxi, PR China
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Bioinspired Engineering and Biomechanics Center (BEBC), School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, PR China
| | - Niancai Peng
- International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, State Key Laboratory for Manufacturing Systems Engineering, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, PR China
| | - Zhuangde Jiang
- International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, State Key Laboratory for Manufacturing Systems Engineering, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, PR China
| | - Dengfeng Gao
- Department of Cardiology, The Second Affiliated Hospital, School of Medical, Xi'an Jiaotong University, Xi'an 710004, Shaanxi, PR China.
| | - Xiaohui Zhang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Center for Mitochondrial Biology and Medicine, School of Life Science and Technology, International Joint Laboratory for Micro/Nano Manufacturing and Measurement Technology, Xi'an Key Laboratory for Biomedical Testing and High-end Equipment, Xi'an Jiaotong University, Xi'an 710049, Shannxi, PR China.
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21
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Li Y, Wei L, Lan L, Gao Y, Zhang Q, Dawit H, Mao J, Guo L, Shen L, Wang L. Conductive biomaterials for cardiac repair: A review. Acta Biomater 2022; 139:157-178. [PMID: 33887448 DOI: 10.1016/j.actbio.2021.04.018] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 03/26/2021] [Accepted: 04/10/2021] [Indexed: 12/18/2022]
Abstract
Myocardial infarction (MI) is one of the fatal diseases in humans. Its incidence is constantly increasing annually all over the world. The problem is accompanied by the limited regenerative capacity of cardiomyocytes, yielding fibrous scar tissue formation. The propagation of electrical impulses in such tissue is severely hampered, negatively influencing the normal heart pumping function. Thus, reconstruction of the internal cardiac electrical connection is currently a major concern of myocardial repair. Conductive biomaterials with or without cell loading were extensively investigated to address this problem. This article introduces a detailed overview of the recent progress in conductive biomaterials and fabrication methods of conductive scaffolds for cardiac repair. After that, the advances in myocardial tissue construction in vitro by the restoration of intercellular communication and simulation of the dynamic electrophysiological environment are systematically reviewed. Furthermore, the latest trend in the study of cardiac repair in vivo using various conductive patches is summarized. Finally, we discuss the achievements and shortcomings of the existing conductive biomaterials and the properties of an ideal conductive patch for myocardial repair. We hope this review will help readers understand the importance and usefulness of conductive biomaterials in cardiac repair and inspire researchers to design and develop new conductive patches to meet the clinical requirements. STATEMENT OF SIGNIFICANCE: After myocardial infarction, the infarcted myocardial area is gradually replaced by heterogeneous fibrous tissue with inferior conduction properties, resulting in arrhythmia and heart remodeling. Conductive biomaterials have been extensively adopted to solve the problem. Summarizing the relevant literature, this review presents an overview of the types and fabrication methods of conductive biomaterials, and focally discusses the recent advances in myocardial tissue construction in vitro and myocardial repair in vivo, which is rarely covered in previous reviews. As well, the deficiencies of the existing conductive patches and their construction strategies for myocardial repair are discussed as well as the improving directions. Confidently, the readers of this review would appreciate advantages and current limitations of conductive biomaterials/patches in cardiac repair.
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Affiliation(s)
- Yimeng Li
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Leqian Wei
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Lizhen Lan
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Yaya Gao
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Qian Zhang
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Hewan Dawit
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
| | - Jifu Mao
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China.
| | - Lamei Guo
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China
| | - Li Shen
- Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, China; National Clinical Research Center for Interventional Medicine, Shanghai, 200032, China.
| | - Lu Wang
- Key Laboratory of Textile Science & Technology of Ministry of Education and College of Textiles, Donghua University, Shanghai, 201620, China; Key Laboratory of Textile Industry for Biomedical Textile Materials and Technology, Donghua University, Shanghai, 201620, China
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22
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Esmaeili H, Patino-Guerrero A, Hasany M, Ansari MO, Memic A, Dolatshahi-Pirouz A, Nikkhah M. Electroconductive biomaterials for cardiac tissue engineering. Acta Biomater 2022; 139:118-140. [PMID: 34455109 DOI: 10.1016/j.actbio.2021.08.031] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 12/19/2022]
Abstract
Myocardial infarction (MI) is still the leading cause of mortality worldwide. The success of cell-based therapies and tissue engineering strategies for treatment of injured myocardium have been notably hindered due to the limitations associated with the selection of a proper cell source, lack of engraftment of engineered tissues and biomaterials with the host myocardium, limited vascularity, as well as immaturity of the injected cells. The first-generation approaches in cardiac tissue engineering (cTE) have mainly relied on the use of desired cells (e.g., stem cells) along with non-conductive natural or synthetic biomaterials for in vitro construction and maturation of functional cardiac tissues, followed by testing the efficacy of the engineered tissues in vivo. However, to better recapitulate the native characteristics and conductivity of the cardiac muscle, recent approaches have utilized electroconductive biomaterials or nanomaterial components within engineered cardiac tissues. This review article will cover the recent advancements in the use of electrically conductive biomaterials in cTE. The specific emphasis will be placed on the use of different types of nanomaterials such as gold nanoparticles (GNPs), silicon-derived nanomaterials, carbon-based nanomaterials (CBNs), as well as electroconductive polymers (ECPs) for engineering of functional and electrically conductive cardiac tissues. We will also cover the recent progress in the use of engineered electroconductive tissues for in vivo cardiac regeneration applications. We will discuss the opportunities and challenges of each approach and provide our perspectives on potential avenues for enhanced cTE. STATEMENT OF SIGNIFICANCE: Myocardial infarction (MI) is still the primary cause of death worldwide. Over the past decade, electroconductive biomaterials have increasingly been applied in the field of cardiac tissue engineering. This review article provides the readers with the leading advances in the in vitro applications of electroconductive biomaterials for cTE along with an in-depth discussion of injectable/transplantable electroconductive biomaterials and their delivery methods for in vivo MI treatment. The article also discusses the knowledge gaps in the field and offers possible novel avenues for improved cardiac tissue engineering.
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Affiliation(s)
- Hamid Esmaeili
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | | | - Masoud Hasany
- Cell Isolation and Transplantation Center, Department of Surgery, Geneva University Hospitals and University of Geneva, Geneva, Switzerland
| | | | - Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Alireza Dolatshahi-Pirouz
- Department of Health Technology, Technical University of Denmark, 2800 Kgs, Lyngby, Denmark; Department of Health Technology, Technical University of Denmark, Center for Intestinal Absorption and Transport of Biopharmaceuticals, 2800 Kgs, Lyngby, Denmark
| | - Mehdi Nikkhah
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA; Biodesign Virginia G. Piper Center for Personalized Diagnostics, Arizona State University, Tempe, AZ, USA.
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23
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Emerging trends and prospects of electroconductive bioinks for cell-laden and functional 3D bioprinting. Biodes Manuf 2022. [DOI: 10.1007/s42242-021-00169-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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24
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Fan L, Xiao C, Guan P, Zou Y, Wen H, Liu C, Luo Y, Tan G, Wang Q, Li Y, Yu P, Zhou L, Ning C. Extracellular Matrix-Based Conductive Interpenetrating Network Hydrogels with Enhanced Neurovascular Regeneration Properties for Diabetic Wounds Repair. Adv Healthc Mater 2022; 11:e2101556. [PMID: 34648694 DOI: 10.1002/adhm.202101556] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/07/2021] [Indexed: 12/30/2022]
Abstract
The critical effects that impair diabetic wound healing are characterized by poor vascularization and severe peripheral neuropathy. Current management strategies for diabetic wound healing are unsatisfactory, due to the paucity of neurovascular regeneration at the wound site. Importantly, conductivity in skin tissue is reported to be essential for modulating myriad biological processes especially vascular and nerve regeneration. Herein, an extracellular matrix (ECM)-based conductive dressing is synthesized from an interpenetrating polymer network hydrogel composed of gelatin methacryloyl, oxidized chondroitin sulfate (OCS), and OCS-polypyrrole conductive nanoparticles that can promote diabetic wound repairing by enhancing local neurovascular regeneration. The conductive hydrogels combine the advantageous features of water-swollen hydrogels with conductive polymers (CPs) to provide tissue-matching electrical conductivity and mechanical properties for neurovascular regeneration. In vitro and in vivo studies show that the conductive hydrogel can promote neurovascular regeneration by increasing intracellular Ca2+ concentration, which subsequently promotes phosphorylation of proteins in the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) and mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK) pathways. Furthermore, the conductive hydrogel stimulates full-thickness diabetic wound repair on day 14 by promoting local neurovascular regeneration and collagen deposition. These findings corroborate that the ECM-based conductive interpenetrating network hydrogel dressing significantly promotes wound repairing due to its neurovascular regeneration properties, suggesting that they are suitable candidates for diabetic wound repair.
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Affiliation(s)
- Lei Fan
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
| | - Cairong Xiao
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
| | - Pengfei Guan
- Department of Orthopaedics The Third Affiliated Hospital of Southern Medical University Guangzhou 510515 China
| | - Yan Zou
- Department of Radiology The Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou 510630 China
| | - Huiquan Wen
- Department of Radiology The Third Affiliated Hospital of Sun Yat‐Sen University Guangzhou 510630 China
| | - Can Liu
- Department of Spine Surgery The First Hospital of Zhejiang University Hangzhou 310003 China
| | - Yian Luo
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 China
| | - Guoxin Tan
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 China
| | - Qiyou Wang
- Department of Orthopaedics The Third Affiliated Hospital of Southern Medical University Guangzhou 510515 China
| | - Yangfan Li
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
| | - Peng Yu
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
| | - Lei Zhou
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
| | - Chengyun Ning
- School of Materials Science and Engineering and National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
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25
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Li J, Zhao Y, Zhu W. Targeting angiogenesis in myocardial infarction: Novel therapeutics (Review). Exp Ther Med 2021; 23:64. [PMID: 34934435 DOI: 10.3892/etm.2021.10986] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/01/2021] [Indexed: 12/13/2022] Open
Abstract
Acute myocardial infarction (AMI) remains the main cause of mortality worldwide. Despite surgery and medical treatment, the non-regeneration of dead cardiomyocytes and the limited contractile ability of scar tissue can lead to heart failure. Therefore, restoring blood flow in the infarcted area is important for the repair of myocardial injury. The objective of the present review was to summarize the factors influencing angiogenesis after AMI, and to describe the application of angiogenesis for cardiac repair. Collectively, this review may be helpful for relevant studies and to provide insight into future therapeutic applications in clinical practice.
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Affiliation(s)
- Jiejie Li
- Jiangsu Key Laboratory of Medical Science and Laboratory of Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Yuanyuan Zhao
- Jiangsu Key Laboratory of Medical Science and Laboratory of Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
| | - Wei Zhu
- Jiangsu Key Laboratory of Medical Science and Laboratory of Medicine, School of Medicine, Jiangsu University, Zhenjiang, Jiangsu 212013, P.R. China
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26
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Liu Z, Wan X, Wang ZL, Li L. Electroactive Biomaterials and Systems for Cell Fate Determination and Tissue Regeneration: Design and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007429. [PMID: 34117803 DOI: 10.1002/adma.202007429] [Citation(s) in RCA: 114] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/19/2020] [Indexed: 06/12/2023]
Abstract
During natural tissue regeneration, tissue microenvironment and stem cell niche including cell-cell interaction, soluble factors, and extracellular matrix (ECM) provide a train of biochemical and biophysical cues for modulation of cell behaviors and tissue functions. Design of functional biomaterials to mimic the tissue/cell microenvironment have great potentials for tissue regeneration applications. Recently, electroactive biomaterials have drawn increasing attentions not only as scaffolds for cell adhesion and structural support, but also as modulators to regulate cell/tissue behaviors and function, especially for electrically excitable cells and tissues. More importantly, electrostimulation can further modulate a myriad of biological processes, from cell cycle, migration, proliferation and differentiation to neural conduction, muscle contraction, embryogenesis, and tissue regeneration. In this review, endogenous bioelectricity and piezoelectricity are introduced. Then, design rationale of electroactive biomaterials is discussed for imitating dynamic cell microenvironment, as well as their mediated electrostimulation and the applying pathways. Recent advances in electroactive biomaterials are systematically overviewed for modulation of stem cell fate and tissue regeneration, mainly including nerve regeneration, bone tissue engineering, and cardiac tissue engineering. Finally, the significance for simulating the native tissue microenvironment is emphasized and the open challenges and future perspectives of electroactive biomaterials are concluded.
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Affiliation(s)
- Zhirong Liu
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xingyi Wan
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Zhong Lin Wang
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
| | - Linlin Li
- Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, P. R. China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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27
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Arambula‐Maldonado R, Geraili A, Xing M, Mequanint K. Tissue engineering and regenerative therapeutics: The nexus of chemical engineering and translational medicine. CAN J CHEM ENG 2021. [DOI: 10.1002/cjce.24094] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
| | - Armin Geraili
- Department of Chemical and Biochemical Engineering University of Western Ontario London Ontario Canada
| | - Malcolm Xing
- Department of Mechanical Engineering University of Manitoba Winnipeg Manitoba Canada
| | - Kibret Mequanint
- School of Biomedical Engineering, University of Western Ontario London Ontario Canada
- Department of Chemical and Biochemical Engineering University of Western Ontario London Ontario Canada
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28
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A tunable self-healing ionic hydrogel with microscopic homogeneous conductivity as a cardiac patch for myocardial infarction repair. Biomaterials 2021; 273:120811. [PMID: 33882404 DOI: 10.1016/j.biomaterials.2021.120811] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 04/02/2021] [Accepted: 04/03/2021] [Indexed: 12/17/2022]
Abstract
Conductive hydrogel is a potential therapeutic tool to treat damaged heart muscles in myocardial infarction (MI). However, it is still a quite challenge to optimize the fabrication of a therapeutic hydrogel patch that sustains favorable biocompatibility, electronic and mechanical stability under a complicated MI microenvironment. Herein, a tunable self-healing ionic hydrogel (POG1) was developed through the introduction of a biocompatible polyacrylic acid (PAA, FDA-approved) into the hydrogel matrix. The fabricated POG1 hydrogel possessed suitable stretchable (>500% strain) and compressive (>85% strain) properties, comparable modulus with mammalian heart (30-500 kPa, Young's modulus), self-healable, and highly stable conductivity during large deformations (~50% compress strain, ~150% tensile strain). Specifically, the established PAA nano-channels inside of POG1 endowed the hydrogel with microscopic ultra-homogeneous conductivity. Compared to those seeded in the electronic conductors-embedded (PPy, CNT, rGO) hydrogels, the cardiomyocytes (CMs) seeded in the POG1 hydrogel exhibited more significantly oriented sarcomeres. This POG1 engineered cardiac patch (ECP) also exerted robust benefits in attenuating left ventricular remodeling and restoring heart function after implantation in vivo. This paper highlighted a previously unexplored strategy for a biocompatible ionic conductive hydrogel ECP with an excellent MI repair function.
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29
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Song C, Zhang X, Wei W, Ma G. Principles of regulating particle multiscale structures for controlling particle-cell interaction process. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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30
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Liang Y, Goh JCH. Polypyrrole-Incorporated Conducting Constructs for Tissue Engineering Applications: A Review. Bioelectricity 2020; 2:101-119. [PMID: 34471842 PMCID: PMC8370322 DOI: 10.1089/bioe.2020.0010] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Conductive polymers have recently attracted interest in biomedical applications because of their excellent intrinsic electrical conductivity and satisfactory biocompatibility. Polypyrrole (PPy) is one of the most popular among these conductive polymers due to its high conductivity under physiological conditions, and it can be chemically modified to allow biomolecules conjugation. PPy has been used in fabricating biocompatible stimulus-responsive scaffolds for tissue engineering applications, especially for repair and regeneration of electroactive tissues, such as the bone, neuron, and heart. This review provides a comprehensive overview of the basic properties and synthesis methods of PPy, as well as a summary of the materials that have been integrated with PPy. These composite scaffolds are comparatively evaluated with regard to their mechanical properties, biocompatibility, and usage in tissue engineering.
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Affiliation(s)
- Yeshi Liang
- Department of Biomedical Engineering, National University of Singapore, Singapore
| | - James Cho-Hong Goh
- Department of Biomedical Engineering, National University of Singapore, Singapore
- Department of Orthopedic Surgery, National University of Singapore, Singapore
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31
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Abstract
Materials that conduct electricity are studied in the context of tissue engineering. The mechanisms by which they interact with tissues are unclear and the complexity of the interface between biological and artificial systems is often underestimated.
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Affiliation(s)
- Pawel Sikorski
- Department of Physics
- Norwegian University of Science and Technology
- NTNU
- Trondheim
- Norway
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