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Jalilinejad N, Rabiee M, Baheiraei N, Ghahremanzadeh R, Salarian R, Rabiee N, Akhavan O, Zarrintaj P, Hejna A, Saeb MR, Zarrabi A, Sharifi E, Yousefiasl S, Zare EN. Electrically conductive carbon-based (bio)-nanomaterials for cardiac tissue engineering. Bioeng Transl Med 2023; 8:e10347. [PMID: 36684103 PMCID: PMC9842069 DOI: 10.1002/btm2.10347] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/22/2022] [Accepted: 04/23/2022] [Indexed: 02/06/2023] Open
Abstract
A proper self-regenerating capability is lacking in human cardiac tissue which along with the alarming rate of deaths associated with cardiovascular disorders makes tissue engineering critical. Novel approaches are now being investigated in order to speedily overcome the challenges in this path. Tissue engineering has been revolutionized by the advent of nanomaterials, and later by the application of carbon-based nanomaterials because of their exceptional variable functionality, conductivity, and mechanical properties. Electrically conductive biomaterials used as cell bearers provide the tissue with an appropriate microenvironment for the specific seeded cells as substrates for the sake of protecting cells in biological media against attacking mechanisms. Nevertheless, their advantages and shortcoming in view of cellular behavior, toxicity, and targeted delivery depend on the tissue in which they are implanted or being used as a scaffold. This review seeks to address, summarize, classify, conceptualize, and discuss the use of carbon-based nanoparticles in cardiac tissue engineering emphasizing their conductivity. We considered electrical conductivity as a key affecting the regeneration of cells. Correspondingly, we reviewed conductive polymers used in tissue engineering and specifically in cardiac repair as key biomaterials with high efficiency. We comprehensively classified and discussed the advantages of using conductive biomaterials in cardiac tissue engineering. An overall review of the open literature on electroactive substrates including carbon-based biomaterials over the last decade was provided, tabulated, and thoroughly discussed. The most commonly used conductive substrates comprising graphene, graphene oxide, carbon nanotubes, and carbon nanofibers in cardiac repair were studied.
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Affiliation(s)
- Negin Jalilinejad
- Biomaterial Group, Department of Biomedical EngineeringAmirkabir University of TechnologyTehranIran
| | - Mohammad Rabiee
- Biomaterial Group, Department of Biomedical EngineeringAmirkabir University of TechnologyTehranIran
| | - Nafiseh Baheiraei
- Tissue Engineering and Applied Cell Sciences Division, Department of Anatomical Sciences, Faculty of Medical SciencesTarbiat Modares UniversityTehranIran
| | | | - Reza Salarian
- Biomedical Engineering DepartmentMaziar UniversityRoyanMazandaranIran
| | - Navid Rabiee
- Department of PhysicsSharif University of TechnologyTehranIran
- School of EngineeringMacquarie UniversitySydneyNew South WalesAustralia
- Department of Materials Science and EngineeringPohang University of Science and Technology (POSTECH), 77 Cheongam‐ro, Nam‐guPohangGyeongbukSouth Korea
| | - Omid Akhavan
- Department of PhysicsSharif University of TechnologyTehranIran
| | - Payam Zarrintaj
- School of Chemical EngineeringOklahoma State UniversityStillwaterOklahomaUSA
| | - Aleksander Hejna
- Department of Polymer Technology, Faculty of ChemistryGdańsk University of TechnologyGdańskPoland
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of ChemistryGdańsk University of TechnologyGdańskPoland
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural SciencesIstinye UniversityIstanbulTurkey
| | - Esmaeel Sharifi
- Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and TechnologiesHamadan University of Medical SciencesHamadanIran
| | - Satar Yousefiasl
- School of DentistryHamadan University of Medical SciencesHamadanIran
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Aubin H, Rath L, Vey A, Schmidt V, Barth M, Weber E, Lichtenberg A, Akhyari P. Ventricular stabilization with a customized decellularized cardiac ECM-based scaffold after myocardial infarction alters gene expression in a rodent LAD-ligation model. Front Bioeng Biotechnol 2022; 10:896269. [PMID: 36213077 PMCID: PMC9537373 DOI: 10.3389/fbioe.2022.896269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Objectives: Decellularized extracellular matrix (dECM) is increasingly used in a wide range of regenerative medicine applications and may also offer the potential to support injured myocardium. Here, we evaluated the myocardial gene expression pattern after myocardial infarction (MI) in a standardized rodent LAD-ligation model with and without ventricular stabilization with a customized, cardiac dECM-based scaffold (cdECM).Methods: MI was induced in male Wistar rats by standard LAD-ligation and confirmed 14 days post-intervention by echocardiographic parameters (FAS<40%). Cardiac ECM from donor rats was used to generate individual cdECM-scaffolds (tissue engineered myocardial sleeve, TEMS), which were epicardially implanted after confirmed MI for ventricular stabilization. After 4 and 8 weeks heart function was assessed by echocardiography, rats were sacrificed and explanted hearts were analyzed. In addition to histological analysis, standardized anterior left ventricular wall myocardial tissue samples were assessed by quantitative real-time PCR evaluating the specific gene expression pattern for immunomodulatory (IL-10, TGFBR2, TNFα), pro-angiogenic (VEGFA, FGF2, PGF, PDGFB), pro-survival (HGF, SDF1, IGF1, AKT1), remodeling-associated (TIMP1, MMP2, MMP9) and infarction-specific (NPPA, NPPB) markers.Results: Ventricular stabilization led to integration of the TEMS-scaffold into the myocardial scar with varying degrees of cellular infiltration, as well as significantly improved echocardiographic parameters demonstrating attenuation of maladaptive cardiac remodeling. Further, TEMS implantation after MI altered the myocardial gene expression pattern. Differences in gene expression were most striking after 4 weeks with significantly reduced expression of NPPA (0.36 ± 0.26 vs 0.75 ± 0.40; p < 0.05), NPPB (0.47 ± 0.25 vs 0.91 ± 0.429; p < 0.01), TGFBR2 (0.68 ± 0.16 vs 0.90 ± 0.14; p < 0.01) and PDGFB (0.81 ± 0.13 vs 1.06 ± 0.14; p < 0.01) as well as increased expression of IL-10 (5.93 ± 5.67 vs 1.38 ± 0.60; p < 0.05), PGF (1.48 ± 0.38 vs 1.09 ± 0.25; p < 0.05) and IGF1 (1.67 ± 0.70 vs 1.03 ± 0.42; p < 0.05). However, after 8 weeks differences in the gene expression patterns of remodeling-associated, and pro-angiogenic markers could still be observed between groups.Conclusion: Ventricular stabilization via TEMS implantation after MI did not only led to biological integration of the cdECM-scaffolds into the host tissue and improved functional cardiac parameters, but also altered 4 and 8 week gene expression of infarcted myocardium, possibly contributing to reducing chronic deteriorating effects while increasing the potential for myocardial regeneration.
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Affiliation(s)
- Hug Aubin
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Lenard Rath
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Alexandra Vey
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Vera Schmidt
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Mareike Barth
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Elvira Weber
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Artur Lichtenberg
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
- *Correspondence: Artur Lichtenberg,
| | - Payam Akhyari
- Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Duesseldorf, Germany
- Research Group 3D Cardiovascular Regenerative Medicine and Tissue Engineering (CURE 3D), Department of Cardiac Surgery, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
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Pan A, Weintraub NL, Tang Y. Enhancing stem cell survival in an ischemic heart by CRISPR-dCas9-based gene regulation. Med Hypotheses 2014; 83:702-5. [PMID: 25459138 DOI: 10.1016/j.mehy.2014.09.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 09/29/2014] [Indexed: 12/18/2022]
Abstract
Ischemic heart disease has remained the number one killer around the world for over the past 20 years. While stem cell therapy has become a promising new frontier to repair the damaged heart, limited stem cell survivability post-transplantation has precluded widespread use of this therapy. Strategies to genetically modify stem cells to activate pro-survival and anti-apoptotic and anti-inflammatory pathways, such as Akt and heme oxygenase-1, have been shown to improve the lifespan of transplanted stem cells within the ischemic myocardium, but constitutive overexpression of these pathways at high levels has been shown to have side effects. Therefore, more specific and controlled gene activation would be necessary. Current techniques used for gene regulation include zinc finger and TALE proteins, but there are still disadvantages to each of these methods, such as ease and cost of use. Also, those methods use synthesized promoters to express synthesized cDNA, which lack regulatory elements, including introns and 3' untranslated regions for microRNA mediated post-transcriptional regulation. A new novel technique, the CRISPR/dCas9 system, was recently developed as a simple and efficient method for endogenous gene regulation. With its use of single guide chimeric RNA's (sgRNA's), this system has been shown to provide a high level of specificity and efficiency. When targeting different loci, past studies have found that the CRISPR/dCas9 system can activate gene expression at varying levels. In addition, this system makes use of the genome's endogenous regulatory elements, such as the aforementioned introns and 3' UTR's, which can help provide a safer method of gene activation. If targeted to a gene promoting cellular survival or decreasing cell death, it could potentially improve stem cell longevity in a more efficient and controllable manner. As a result, our hypothesis is to use the CRISPR/dCas9 system to activate expression of an anti-inflammatory and anti-apoptotic gene, such as heme oxygenase-1 (HO-1), to an optimal level to increase transplanted stem cell survival while also mitigating its cytotoxic effects due to lack of internal regulation, thus prolonging its effects within the ischemic myocardium leading to greater therapeutic benefit.
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Affiliation(s)
- Alexander Pan
- Vascular Biology Center, Department of Medicine, Medical College of Georgia/Georgia Regents University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Neal L Weintraub
- Vascular Biology Center, Department of Medicine, Medical College of Georgia/Georgia Regents University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA
| | - Yaoliang Tang
- Vascular Biology Center, Department of Medicine, Medical College of Georgia/Georgia Regents University, 1459 Laney Walker Blvd, Augusta, GA 30912, USA.
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Vashi AV, White JF, McLean KM, Neethling WML, Rhodes DI, Ramshaw JAM, Werkmeister JA. Evaluation of an established pericardium patch for delivery of mesenchymal stem cells to cardiac tissue. J Biomed Mater Res A 2014; 103:1999-2005. [PMID: 25266083 DOI: 10.1002/jbm.a.35335] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/02/2014] [Accepted: 09/15/2014] [Indexed: 12/12/2022]
Abstract
The present study has evaluated a commercial pericardial material for its capacity to assist as a natural extracellular matrix (ECM) patch for the delivery and retention of mesenchymal stem cells for cardiac repair. The repair of cardiac tissue with cells delivered by an appropriate bioscaffold is expected to offer a superior, long-lasting treatment strategy. The present material, CardioCel®, is based on acellular pericardium that has been stabilized by treatments, including a low concentration of glutaraldehyde, that eliminate calcification after implantation. In the present study, we have assessed this material using human bone marrow mesenchymal stem cells at various cell densities under standard, static cell culture conditions. The initial seeding densities were monitored to evaluate the extent of cell attachment and cell viability, with subsequent cell proliferation assessed up to 4 weeks using an MTS assay. Cell morphology, infiltration, and spreading were tracked using scanning electron microscopy and phalloidin staining. The efficacy of long-term cell survival was further assessed by examining the extent and type of new tissue formation on seeded scaffolds at 70 days; both type I and type III collagens were present in fibrillar structures on these scaffolds indicating that the seeded stem cells had the capacity to differentiate into collagen-producing cells necessary to repair damaged ECM. These data show that the CardioCel® scaffold is an appropriate substrate for the stem cells and has the potential to both retain seeded stem cells and to act as a template for cell propagation and new tissue formation.
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