1
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Song R, Zhang L. MicroRNAs and therapeutic potentials in acute and chronic cardiac disease. Drug Discov Today 2024:104179. [PMID: 39276921 DOI: 10.1016/j.drudis.2024.104179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2024] [Revised: 08/23/2024] [Accepted: 09/10/2024] [Indexed: 09/17/2024]
Abstract
microRNAs (miRNAs) are small regulatory RNAs implicated in various cardiac disorders. In this review, the role of miRNAs is discussed in relation to acute myocardial infarction and chronic heart failure. In both settings, miRNAs are altered, contributing to injury and adverse remodeling. Notably, miRNA profiles differ between acute ischemic injury and progressive heart failure. Owing to miRNA variabilities between disease stages and delivery difficulties, translation of animal studies to the clinic remains challenging. The identification of distinct miRNA signatures could lead to the development of miRNA therapies tailored to different disease stages. Here, we summarize the current understanding of miRNAs in acute and chronic cardiac diseases, identify knowledge gaps and discuss progress in developing miRNA-based treatment strategies.
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Affiliation(s)
- Rui Song
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA, USA.
| | - Lubo Zhang
- Lawrence D. Longo, MD Center for Perinatal Biology, Department of Basic Sciences, Loma Linda University School of Medicine, Loma Linda, CA, USA.
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2
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Snyder CA, Dwyer KD, Coulombe KLK. Advancing Human iPSC-Derived Cardiomyocyte Hypoxia Resistance for Cardiac Regenerative Therapies through a Systematic Assessment of In Vitro Conditioning. Int J Mol Sci 2024; 25:9627. [PMID: 39273573 PMCID: PMC11395605 DOI: 10.3390/ijms25179627] [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: 08/07/2024] [Revised: 08/23/2024] [Accepted: 08/29/2024] [Indexed: 09/15/2024] Open
Abstract
Acute myocardial infarction (MI) is a sudden, severe cardiac ischemic event that results in the death of up to one billion cardiomyocytes (CMs) and subsequent decrease in cardiac function. Engineered cardiac tissues (ECTs) are a promising approach to deliver the necessary mass of CMs to remuscularize the heart. However, the hypoxic environment of the heart post-MI presents a critical challenge for CM engraftment. Here, we present a high-throughput, systematic study targeting several physiological features of human induced pluripotent stem cell-derived CMs (hiPSC-CMs), including metabolism, Wnt signaling, substrate, heat shock, apoptosis, and mitochondrial stabilization, to assess their efficacy in promoting ischemia resistance in hiPSC-CMs. The results of 2D experiments identify hypoxia preconditioning (HPC) and metabolic conditioning as having a significant influence on hiPSC-CM function in normoxia and hypoxia. Within 3D engineered cardiac tissues (ECTs), metabolic conditioning with maturation media (MM), featuring high fatty acid and calcium concentration, results in a 1.5-fold increase in active stress generation as compared to RPMI/B27 control ECTs in normoxic conditions. Yet, this functional improvement is lost after hypoxia treatment. Interestingly, HPC can partially rescue the function of MM-treated ECTs after hypoxia. Our systematic and iterative approach provides a strong foundation for assessing and leveraging in vitro culture conditions to enhance the hypoxia resistance, and thus the successful clinical translation, of hiPSC-CMs in cardiac regenerative therapies.
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Affiliation(s)
- Caroline A Snyder
- Institute for Biology, Engineering and Medicine, School of Engineering, Brown University, Providence, RI 02912, USA
| | - Kiera D Dwyer
- Institute for Biology, Engineering and Medicine, School of Engineering, Brown University, Providence, RI 02912, USA
| | - Kareen L K Coulombe
- Institute for Biology, Engineering and Medicine, School of Engineering, Brown University, Providence, RI 02912, USA
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3
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Ambroise R, Takasugi P, Liu J, Qian L. Direct Cardiac Reprogramming in the Age of Computational Biology. J Cardiovasc Dev Dis 2024; 11:273. [PMID: 39330331 PMCID: PMC11432431 DOI: 10.3390/jcdd11090273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2024] [Revised: 08/30/2024] [Accepted: 09/02/2024] [Indexed: 09/28/2024] Open
Abstract
Heart disease continues to be one of the most fatal conditions worldwide. This is in part due to the maladaptive remodeling process by which ischemic cardiac tissue is replaced with a fibrotic scar. Direct cardiac reprogramming presents a unique solution for restoring injured cardiac tissue through the direct conversion of fibroblasts into induced cardiomyocytes, bypassing the transition through a pluripotent state. Since its inception in 2010, direct cardiac reprogramming using the transcription factors Gata4, Mef2c, and Tbx5 has revolutionized the field of cardiac regenerative medicine. Just over a decade later, the field has rapidly evolved through the expansion of identified molecular and genetic factors that can be used to optimize reprogramming efficiency. The integration of computational tools into the study of direct cardiac reprogramming has been critical to this progress. Advancements in transcriptomics, epigenetics, proteomics, genome editing, and machine learning have not only enhanced our understanding of the underlying mechanisms driving this cell fate transition, but have also driven innovations that push direct cardiac reprogramming closer to clinical application. This review article explores how these computational advancements have impacted and continue to shape the field of direct cardiac reprogramming.
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Affiliation(s)
- Rachelle Ambroise
- Department of Bioinformatics and Computational Biology, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Paige Takasugi
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Jiandong Liu
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Li Qian
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
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4
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Sugiura T, Shahannaz DC, Ferrell BE. Current Status of Cardiac Regenerative Therapy Using Induced Pluripotent Stem Cells. Int J Mol Sci 2024; 25:5772. [PMID: 38891960 PMCID: PMC11171475 DOI: 10.3390/ijms25115772] [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: 04/24/2024] [Revised: 05/17/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Heart failure (HF) is a life-threatening disorder and is treated by drug therapies and surgical interventions such as heart transplantation and left ventricular assist device (LVAD). However, these treatments can lack effectiveness in the long term and are associated with issues such as donor shortage in heart transplantation, and infection, stroke, or gastrointestinal bleeding in LVADs. Therefore, alternative therapeutic strategies are still needed. In this respect, stem cell therapy has been introduced for the treatment of HF and numerous preclinical and clinical studies are employing a range of stem cell varieties. These stem cells, such as embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs), have been shown to improve cardiac function and attenuate left ventricular remodeling. IPSCs, which have a capacity for unlimited proliferation and differentiation into cardiomyocytes, are a promising cell source for myocardial regeneration therapy. In this review, we discuss the following topics: (1) what are iPSCs; (2) the limitations and solutions for the translation of iPSC-CMs practically; and (3) the current therapeutic clinical trials.
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Affiliation(s)
- Tadahisa Sugiura
- Department of Cardiothoracic and Vascular Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, New York, NY 10467, USA; (D.C.S.); (B.E.F.)
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5
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Barrère-Lemaire S, Vincent A, Jorgensen C, Piot C, Nargeot J, Djouad F. Mesenchymal stromal cells for improvement of cardiac function following acute myocardial infarction: a matter of timing. Physiol Rev 2024; 104:659-725. [PMID: 37589393 DOI: 10.1152/physrev.00009.2023] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/05/2023] [Accepted: 08/16/2023] [Indexed: 08/18/2023] Open
Abstract
Acute myocardial infarction (AMI) is the leading cause of cardiovascular death and remains the most common cause of heart failure. Reopening of the occluded artery, i.e., reperfusion, is the only way to save the myocardium. However, the expected benefits of reducing infarct size are disappointing due to the reperfusion paradox, which also induces specific cell death. These ischemia-reperfusion (I/R) lesions can account for up to 50% of final infarct size, a major determinant for both mortality and the risk of heart failure (morbidity). In this review, we provide a detailed description of the cell death and inflammation mechanisms as features of I/R injury and cardioprotective strategies such as ischemic postconditioning as well as their underlying mechanisms. Due to their biological properties, the use of mesenchymal stromal/stem cells (MSCs) has been considered a potential therapeutic approach in AMI. Despite promising results and evidence of safety in preclinical studies using MSCs, the effects reported in clinical trials are not conclusive and even inconsistent. These discrepancies were attributed to many parameters such as donor age, in vitro culture, and storage time as well as injection time window after AMI, which alter MSC therapeutic properties. In the context of AMI, future directions will be to generate MSCs with enhanced properties to limit cell death in myocardial tissue and thereby reduce infarct size and improve the healing phase to increase postinfarct myocardial performance.
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Affiliation(s)
- Stéphanie Barrère-Lemaire
- Institut de Génomique Fonctionnelle, Université de Montpellier, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Université de Nice, Nice, France
| | - Anne Vincent
- Institut de Génomique Fonctionnelle, Université de Montpellier, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Université de Nice, Nice, France
| | - Christian Jorgensen
- Institute of Regenerative Medicine and Biotherapies, Université de Montpellier, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
- Centre Hospitalier Universitaire Montpellier, Montpellier, France
| | - Christophe Piot
- Département de Cardiologie Interventionnelle, Clinique du Millénaire, Montpellier, France
| | - Joël Nargeot
- Institut de Génomique Fonctionnelle, Université de Montpellier, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
- LabEx Ion Channel Science and Therapeutics, Université de Nice, Nice, France
| | - Farida Djouad
- Institute of Regenerative Medicine and Biotherapies, Université de Montpellier, Institut National de la Santé et de la Recherche Médicale, Montpellier, France
- Centre Hospitalier Universitaire Montpellier, Montpellier, France
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6
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Wang H, Yang J, Cai Y, Zhao Y. Macrophages suppress cardiac reprogramming of fibroblasts in vivo via IFN-mediated intercellular self-stimulating circuit. Protein Cell 2024:pwae013. [PMID: 38530808 DOI: 10.1093/procel/pwae013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Indexed: 03/28/2024] Open
Abstract
Direct conversion of cardiac fibroblasts (CFs) to cardiomyocytes (CMs) in vivo to regenerate heart tissue is an attractive approach. After myocardial infarction (MI), heart repair proceeds with an inflammation stage initiated by monocytes infiltration of the infarct zone establishing an immune microenvironment. However, whether and how the MI microenvironment influences the reprogramming of CFs remains unclear. Here, we found that in comparison with cardiac fibroblasts (CFs) cultured in vitro, CFs that transplanted into infarct region of MI mouse models resisted to cardiac reprogramming. RNA-seq analysis revealed upregulation of interferon (IFN) response genes in transplanted CFs, and subsequent inhibition of the IFN receptors increased reprogramming efficiency in vivo. Macrophage-secreted IFN-β was identified as the dominant upstream signaling factor after MI. CFs treated with macrophage-conditioned medium containing IFN-β displayed reduced reprogramming efficiency, while macrophage depletion or blocking the IFN signaling pathway after MI increased reprogramming efficiency in vivo. Co-IP, BiFC and Cut-tag assays showed that phosphorylated STAT1 downstream of IFN signaling in CFs could interact with the reprogramming factor GATA4 and inhibit the GATA4 chromatin occupancy in cardiac genes. Furthermore, upregulation of IFN-IFNAR-p-STAT1 signaling could stimulate CFs secretion of CCL2/7/12 chemokines, subsequently recruiting IFN-β-secreting macrophages. Together, these immune cells further activate STAT1 phosphorylation, enhancing CCL2/7/12 secretion and immune cell recruitment, ultimately forming a self-reinforcing positive feedback loop between CFs and macrophages via IFN-IFNAR-p-STAT1 that inhibits cardiac reprogramming in vivo. Cumulatively, our findings uncover an intercellular self-stimulating inflammatory circuit as a microenvironmental molecular barrier of in situ cardiac reprogramming that needs to be overcome for regenerative medicine applications.
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Affiliation(s)
- Hao Wang
- State Key Laboratory of Natural and Biomimetic Drugs, Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
- Peking-Tsinghua Center for Life Science, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Junbo Yang
- State Key Laboratory of Natural and Biomimetic Drugs, Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Yihong Cai
- State Key Laboratory of Natural and Biomimetic Drugs, Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
| | - Yang Zhao
- State Key Laboratory of Natural and Biomimetic Drugs, Ministry of Education Key Laboratory of Cell Proliferation and Differentiation, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing 100871, China
- Peking-Tsinghua Center for Life Science, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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7
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Ali SR, Ahmad W, Salim A, Durrieu MC, Khan I. Xenogeneic Stem Cell–Induced Cardiac Progenitor Cells Regenerated Infarcted Myocardium in Rat Model. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2024; 10:110-125. [DOI: 10.1007/s40883-023-00311-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 05/04/2023] [Accepted: 06/22/2023] [Indexed: 09/11/2024]
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8
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McCracken IR, Smart N. Control of coronary vascular cell fate in development and regeneration. Semin Cell Dev Biol 2024; 155:50-61. [PMID: 37714806 DOI: 10.1016/j.semcdb.2023.08.005] [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: 07/04/2023] [Revised: 08/25/2023] [Accepted: 08/28/2023] [Indexed: 09/17/2023]
Abstract
The coronary vasculature consists of a complex hierarchal network of arteries, veins, and capillaries which collectively function to perfuse the myocardium. However, the pathways controlling the temporally and spatially restricted mechanisms underlying the formation of this vascular network remain poorly understood. In recent years, the increasing use and refinement of transgenic mouse models has played an instrumental role in offering new insights into the cellular origins of the coronary vasculature, as well as identifying a continuum of transitioning cell states preceding the full maturation of the coronary vasculature. Coupled with the emergence of single cell RNA sequencing platforms, these technologies have begun to uncover the key regulatory factors mediating the convergence of distinct cellular origins to ensure the formation of a collectively functional, yet phenotypically diverse, vascular network. Furthermore, improved understanding of the key regulatory factors governing coronary vessel formation in the embryo may provide crucial clues into future therapeutic strategies to reactivate these developmentally functional mechanisms to drive the revascularisation of the ischaemic adult heart.
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Affiliation(s)
- Ian R McCracken
- Institute of Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX3 7TY, United Kingdom
| | - Nicola Smart
- Institute of Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX3 7TY, United Kingdom.
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9
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Bannerman D, Pascual-Gil S, Campbell S, Jiang R, Wu Q, Okhovatian S, Wagner KT, Montgomery M, Laflamme MA, Davenport Huyer L, Radisic M. Itaconate and citrate releasing polymer attenuates foreign body response in biofabricated cardiac patches. Mater Today Bio 2024; 24:100917. [PMID: 38234461 PMCID: PMC10792972 DOI: 10.1016/j.mtbio.2023.100917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/08/2023] [Accepted: 12/13/2023] [Indexed: 01/19/2024] Open
Abstract
Application of cardiac patches to the heart surface can be undertaken to provide support and facilitate regeneration of the damaged cardiac tissue following ischemic injury. Biomaterial composition is an important consideration in the design of cardiac patch materials as it governs host response to ultimately prevent the undesirable fibrotic response. Here, we investigate a novel patch material, poly (itaconate-co-citrate-co-octanediol) (PICO), in the context of cardiac implantation. Citric acid (CA) and itaconic acid (ITA), the molecular components of PICO, provided a level of protection for cardiac cells during ischemic reperfusion injury in vitro. Biofabricated PICO patches were shown to degrade in accelerated and hydrolytic conditions, with CA and ITA being released upon degradation. Furthermore, the host response to PICO patches after implantation on rat epicardium in vivo was explored and compared to two biocompatible cardiac patch materials, poly (octamethylene (anhydride) citrate) (POMaC) and poly (ethylene glycol) diacrylate (PEGDA). PICO patches resulted in less macrophage infiltration and lower foreign body giant cell reaction compared to the other materials, with corresponding reduction in smooth muscle actin-positive vessel infiltration into the implant region. Overall, this work demonstrates that PICO patches release CA and ITA upon degradation, both of which demonstrate cardioprotective effects on cardiac cells after ischemic injury, and that PICO patches generate a reduced inflammatory response upon implantation to the heart compared to other materials, signifying promise for use in cardiac patch applications.
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Affiliation(s)
- Dawn Bannerman
- Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Simon Pascual-Gil
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Scott Campbell
- Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Richard Jiang
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Qinghua Wu
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Sargol Okhovatian
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Karl T. Wagner
- Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Miles Montgomery
- Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
| | - Michael A. Laflamme
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Locke Davenport Huyer
- Applied Oral Sciences, Dalhousie University, Halifax, NS, Canada
- School of Biomedical Engineering, Dalhousie University, Halifax, NS, Canada
- Department of Microbiology & Immunology, Dalhousie University, Halifax, NS, Canada
- Nova Scotia Health, Halifax, NS, Canada
| | - Milica Radisic
- Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
- Toronto General Health Research Institute, University Health Network, Toronto, ON, Canada
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10
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Lin YK, Hsiao LC, Wu MY, Chen YF, Lin YN, Chang CM, Chung WH, Chen KW, Lu CR, Chen WY, Chang SS, Shyu WC, Lee AS, Chen CH, Jeng LB, Chang KC. PD-L1 and AKT Overexpressing Adipose-Derived Mesenchymal Stem Cells Enhance Myocardial Protection by Upregulating CD25 + T Cells in Acute Myocardial Infarction Rat Model. Int J Mol Sci 2023; 25:134. [PMID: 38203304 PMCID: PMC10779305 DOI: 10.3390/ijms25010134] [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: 11/07/2023] [Revised: 12/05/2023] [Accepted: 12/14/2023] [Indexed: 01/12/2024] Open
Abstract
This study explores the synergistic impact of Programmed Death Ligand 1 (PD-L1) and Protein Kinase B (Akt) overexpression in adipose-derived mesenchymal stem cells (AdMSCs) for ameliorating cardiac dysfunction after myocardial infarction (MI). Post-MI adult Wistar rats were allocated into four groups: sham, MI, ADMSC treatment, and ADMSCs overexpressed with PD-L1 and Akt (AdMSC-PDL1-Akt) treatment. MI was induced via left anterior descending coronary artery ligation, followed by intramyocardial AdMSC injections. Over four weeks, cardiac functionality and structural integrity were assessed using pressure-volume analysis, infarct size measurement, and immunohistochemistry. AdMSC-PDL1-Akt exhibited enhanced resistance to reactive oxygen species (ROS) in vitro and ameliorated MI-induced contractile dysfunction in vivo by improving the end-systolic pressure-volume relationship and preload-recruitable stroke work, together with attenuating infarct size. Molecular analyses revealed substantial mitigation in caspase3 and nuclear factor-κB upregulation in MI hearts within the AdMSC-PDL1-Akt group. Mechanistically, AdMSC-PDL1-Akt fostered the differentiation of normal T cells into CD25+ regulatory T cells in vitro, aligning with in vivo upregulation of CD25 in AdMSC-PDL1-Akt-treated rats. Collectively, PD-L1 and Akt overexpression in AdMSCs bolsters resistance to ROS-mediated apoptosis in vitro and enhances myocardial protective efficacy against MI-induced dysfunction, potentially via T-cell modulation, underscoring a promising therapeutic strategy for myocardial ischemic injuries.
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Affiliation(s)
- Yu-Kai Lin
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- Cardiovascular Research Laboratory, China Medical University Hospital, Taichung 404327, Taiwan; (C.-M.C.); (A.-S.L.)
- School of Medicine, China Medical University, Taichung 404328, Taiwan
| | - Lien-Cheng Hsiao
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- Cardiovascular Research Laboratory, China Medical University Hospital, Taichung 404327, Taiwan; (C.-M.C.); (A.-S.L.)
- School of Medicine, China Medical University, Taichung 404328, Taiwan
| | - Mei-Yao Wu
- School of Post-Baccalaureate Chinese Medicine, China Medical University, Taichung 404328, Taiwan;
- Department of Chinese Medicine, China Medical University Hospital, Taichung 404327, Taiwan
| | - Yun-Fang Chen
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan; (Y.-F.C.); (W.-Y.C.)
| | - Yen-Nien Lin
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- School of Medicine, China Medical University, Taichung 404328, Taiwan
| | - Chia-Ming Chang
- Cardiovascular Research Laboratory, China Medical University Hospital, Taichung 404327, Taiwan; (C.-M.C.); (A.-S.L.)
| | - Wei-Hsin Chung
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
| | - Ke-Wei Chen
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404328, Taiwan;
| | - Chiung-Ray Lu
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
| | - Wei-Yu Chen
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan; (Y.-F.C.); (W.-Y.C.)
| | - Shih-Sheng Chang
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- School of Medicine, China Medical University, Taichung 404328, Taiwan
| | - Woei-Cheang Shyu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404328, Taiwan;
- Translational Medicine Research Center, China Medical University Hospital, Taichung 404327, Taiwan
- Neuroscience and Brain Disease Center, New Drug Development Center, China Medical University, Taichung 404328, Taiwan
- Department of Neurology, China Medical University, Taichung 404328, Taiwan
- Department of Occupational Therapy, Asia University, Taichung 413305, Taiwan
| | - An-Sheng Lee
- Cardiovascular Research Laboratory, China Medical University Hospital, Taichung 404327, Taiwan; (C.-M.C.); (A.-S.L.)
- Department of Medicine, Mackay Medical College, New Taipei City 25245, Taiwan; (Y.-F.C.); (W.-Y.C.)
| | - Chu-Huang Chen
- Vascular and Medicinal Research, Texas Heart Institute, Houston, TX 77030, USA;
- New York Heart Research Foundation, Mineola, NY 11514, USA
| | - Long-Bin Jeng
- Cell Therapy Center, China Medical University Hospital, Taichung 404327, Taiwan;
- Organ Transplantation Center, China Medical University Hospital, Taichung 404327, Taiwan
| | - Kuan-Cheng Chang
- Division of Cardiovascular Medicine, China Medical University Hospital, Taichung 404327, Taiwan (Y.-N.L.); (W.-H.C.); (K.-W.C.)
- Cardiovascular Research Laboratory, China Medical University Hospital, Taichung 404327, Taiwan; (C.-M.C.); (A.-S.L.)
- School of Medicine, China Medical University, Taichung 404328, Taiwan
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11
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Zhang J, Li J, Qu X, Liu Y, Harada A, Hua Y, Yoshida N, Ishida M, Tabata A, Sun L, Liu L, Miyagawa S. Development of a thick and functional human adipose-derived stem cell tissue sheet for myocardial infarction repair in rat hearts. Stem Cell Res Ther 2023; 14:380. [PMID: 38124195 PMCID: PMC10734106 DOI: 10.1186/s13287-023-03560-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 11/03/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Heart failure (HF) is a major cause of death worldwide. The most effective treatment for HF is heart transplantation, but its use is limited by the scarcity of donor hearts. Recently, stem cell-based therapy has emerged as a promising approach for treating myocardial infarction. Our research group has been investigating the use of human induced pluripotent stem cell-derived cardiomyocyte patches as a potential therapeutic candidate. We have successfully conducted eight cases of clinical trials and demonstrated the safety and effectiveness of this approach. However, further advancements are necessary to overcome immune rejection and enhance therapeutic efficacy. In this study, we propose a novel and efficient technique for constructing mesenchymal stem cell (MSC) tissue sheets, which can be transplanted effectively for treating myocardial infarction repair. METHODS We applied a one-step method to construct the human adipose-derived mesenchymal stem cell (hADSC) tissue sheet on a poly(lactic-co-glycolic acid) fiber scaffold. Histology, immunofluorescence, and paracrine profile assessment were used to determine the organization and function of the hADSC tissue sheet. Echocardiography and pathological analyses of heart sections were performed to evaluate cardiac function, fibrosis area, angiogenesis, and left ventricular remodeling. RESULTS In vitro, the hADSC tissue sheet showed great organization, abundant ECM expression, and increased paracrine secretion than single cells. In vivo, the hADSC tissue sheet group demonstrated improved cardiac functional recovery, less ventricular remodeling, decreased fibrosis, and enhanced angiogenesis than the MI group. CONCLUSIONS We developed thick and functional hADSC tissue sheets via the one-step strategy. The hADSC tissue sheet showed excellent performance in treating myocardial infarction in the rat model.
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Affiliation(s)
- Jingbo Zhang
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Junjun Li
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
- Frontier of Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Xiang Qu
- Frontier of Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Yuting Liu
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Akima Harada
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Ying Hua
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Noriko Yoshida
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Masako Ishida
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Akiko Tabata
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Lifu Sun
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Li Liu
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan.
- Frontier of Regenerative Medicine, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan.
| | - Shigeru Miyagawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, 2-2 Yamada-Oka, Suita, Osaka, 565-0871, Japan.
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12
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Shi LX, Liu XR, Zhou LY, Zhu ZQ, Yuan Q, Zou T. Nanocarriers for gene delivery to the cardiovascular system. Biomater Sci 2023; 11:7709-7729. [PMID: 37877418 DOI: 10.1039/d3bm01275a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Cardiovascular diseases have posed a great threat to human health. Fortunately, gene therapy holds great promise in the fight against cardiovascular disease (CVD). In gene therapy, it is necessary to select the appropriate carriers to deliver the genes to the target cells of the target organs. There are usually two types of carriers, viral carriers and non-viral carriers. However, problems such as high immunogenicity, inflammatory response, and limited loading capacity have arisen with the use of viral carriers. Therefore, scholars turned their attention to non-viral carriers. Among them, nanocarriers are highly valued because of their easy modification, targeting, and low toxicity. Despite the many successes of gene therapy in the treatment of human diseases, it is worth noting that there are still many problems to be solved in the field of gene therapy for the treatment of cardiovascular diseases. In this review, we give a brief introduction to the common nanocarriers and several common cardiovascular diseases (arteriosclerosis, myocardial infarction, myocardial hypertrophy). On this basis, the application of gene delivery nanocarriers in the treatment of these diseases is introduced in detail.
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Affiliation(s)
- Ling-Xin Shi
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.
| | - Xiu-Ran Liu
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.
| | - Ling-Yue Zhou
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.
| | - Zi-Qi Zhu
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.
| | - Qiong Yuan
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University and Key Laboratory of Medical Electrophysiology, Ministry of Education & Medical Electrophysiological Key Laboratory of Sichuan Province, Institute of Cardiovascular Research and Institute of Metabolic Diseases, Southwest Medical University, Luzhou 646000, China
| | - Tao Zou
- State Key Laboratory of Refractories and Metallurgy, Key Laboratory of Coal Conversion & New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China.
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13
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Deszcz I. Stem Cell-Based Therapy and Cell-Free Therapy as an Alternative Approach for Cardiac Regeneration. Stem Cells Int 2023; 2023:2729377. [PMID: 37954462 PMCID: PMC10635745 DOI: 10.1155/2023/2729377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/21/2023] [Accepted: 10/10/2023] [Indexed: 11/14/2023] Open
Abstract
The World Health Organization reports that cardiovascular diseases (CVDs) represent 32% of all global deaths. The ineffectiveness of conventional therapies in CVDs encourages the development of novel, minimally invasive therapeutic strategies for the healing and regeneration of damaged tissue. The self-renewal capacity, multilineage differentiation, lack of immunogenicity, and immunosuppressive properties of mesenchymal stem cells (MSCs) make them a promising option for CVDs. However, growing evidence suggests that myocardial regeneration occurs through paracrine factors and extracellular vesicle (EV) secretion, rather than through differentiation into cardiomyocytes. Research shows that stem cells secrete or surface-shed into their culture media various cytokines, chemokines, growth factors, anti-inflammatory factors, and EVs, which constitute an MSC-conditioned medium (MSC-CM) or the secretome. The use of MSC-CM enhances cardiac repair through resident heart cell differentiation, proliferation, scar mass reduction, a decrease in infarct wall thickness, and cardiac function improvement comparable to MSCs without their side effects. This review highlights the limitations and benefits of therapies based on stem cells and their secretome as an innovative treatment of CVDs.
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Affiliation(s)
- Iwona Deszcz
- Department of Immunopathology and Molecular Biology, Wroclaw Medical University, Borowska 211, 50-556, Wroclaw, Poland
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14
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Guo J, Wang H, Li Y, Zhu S, Hu H, Gu Z. Nanotechnology in coronary heart disease. Acta Biomater 2023; 171:37-67. [PMID: 37714246 DOI: 10.1016/j.actbio.2023.09.011] [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: 05/22/2023] [Revised: 08/17/2023] [Accepted: 09/08/2023] [Indexed: 09/17/2023]
Abstract
Coronary heart disease (CHD) is one of the major causes of death and disability worldwide, especially in low- and middle-income countries and among older populations. Conventional diagnostic and therapeutic approaches have limitations such as low sensitivity, high cost and side effects. Nanotechnology offers promising alternative strategies for the diagnosis and treatment of CHD by exploiting the unique properties of nanomaterials. In this review, we use bibliometric analysis to identify research hotspots in the application of nanotechnology in CHD and provide a comprehensive overview of the current state of the art. Nanomaterials with enhanced imaging and biosensing capabilities can improve the early detection of CHD through advanced contrast agents and high-resolution imaging techniques. Moreover, nanomaterials can facilitate targeted drug delivery, tissue engineering and modulation of inflammation and oxidative stress, thus addressing multiple aspects of CHD pathophysiology. We discuss the application of nanotechnology in CHD diagnosis (imaging and sensors) and treatment (regulation of macrophages, cardiac repair, anti-oxidative stress), and provide insights into future research directions and clinical translation. This review serves as a valuable resource for researchers and clinicians seeking to harness the potential of nanotechnology in the management of CHD. STATEMENT OF SIGNIFICANCE: Coronary heart disease (CHD) is the one of leading cause of death and disability worldwide. Nanotechnology offers new strategies for diagnosing and treating CHD by exploiting the unique properties of nanomaterials. This review uses bibliometric analysis to uncover research trends in the use of nanotechnology for CHD. We discuss the potential of nanomaterials for early CHD detection through advanced imaging and biosensing, targeted drug delivery, tissue engineering, and modulation of inflammation and oxidative stress. We also offer insights into future research directions and potential clinical applications. This work aims to guide researchers and clinicians in leveraging nanotechnology to improve CHD patient outcomes and quality of life.
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Affiliation(s)
- Junsong Guo
- Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China; Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Hao Wang
- Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China; Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Ying Li
- Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China; Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China
| | - Shuang Zhu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nano-safety, Institute of High Energy Physics, Beijing 100049, China; CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Chinese Academy of Sciences, Beijing 100190, China; Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Houxiang Hu
- Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China; Department of Cardiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China.
| | - Zhanjun Gu
- Academician Workstation, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan 637000, China; CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nano-safety, Institute of High Energy Physics, Beijing 100049, China; Center of Materials Science and Optoelectronics Engineering, College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China.
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15
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Yu X. Promising Therapeutic Treatments for Cardiac Fibrosis: Herbal Plants and Their Extracts. Cardiol Ther 2023; 12:415-443. [PMID: 37247171 PMCID: PMC10423196 DOI: 10.1007/s40119-023-00319-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/27/2023] [Indexed: 05/30/2023] Open
Abstract
Cardiac fibrosis is closely associated with multiple heart diseases, which are a prominent health issue in the global world. Neurohormones and cytokines play indispensable roles in cardiac fibrosis. Many signaling pathways participate in cardiac fibrosis as well. Cardiac fibrosis is due to impaired degradation of collagen and impaired fibroblast activation, and collagen accumulation results in increasing heart stiffness and inharmonious activity, leading to structure alterations and finally cardiac function decline. Herbal plants have been applied in traditional medicines for thousands of years. Because of their naturality, they have attracted much attention for use in resisting cardiac fibrosis in recent years. This review sheds light on several extracts from herbal plants, which are promising therapeutics for reversing cardiac fibrosis.
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Affiliation(s)
- Xuejing Yu
- Department of Internal Medicine, Division of Cardiology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75235, USA.
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16
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Lyu S, Dong Z, Xu X, Bei HP, Yuen HY, James Cheung CW, Wong MS, He Y, Zhao X. Going below and beyond the surface: Microneedle structure, materials, drugs, fabrication, and applications for wound healing and tissue regeneration. Bioact Mater 2023; 27:303-326. [PMID: 37122902 PMCID: PMC10140753 DOI: 10.1016/j.bioactmat.2023.04.003] [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: 10/11/2022] [Revised: 03/11/2023] [Accepted: 04/02/2023] [Indexed: 05/02/2023] Open
Abstract
Microneedle, as a novel drug delivery system, has attracted widespread attention due to its non-invasiveness, painless and simple administration, controllable drug delivery, and diverse cargo loading capacity. Although microneedles are initially designed to penetrate stratum corneum of skin for transdermal drug delivery, they, recently, have been used to promote wound healing and regeneration of diverse tissues and organs and the results are promising. Despite there are reviews about microneedles, few of them focus on wound healing and tissue regeneration. Here, we review the recent advances of microneedles in this field. We first give an overview of microneedle system in terms of its potential cargos (e.g., small molecules, macromolecules, nucleic acids, nanoparticles, extracellular vesicle, cells), structural designs (e.g., multidrug structures, adhesive structures), material selection, and drug release mechanisms. Then we briefly summarize different microneedle fabrication methods, including their advantages and limitations. We finally summarize the recent progress of microneedle-assisted wound healing and tissue regeneration (e.g., skin, cardiac, bone, tendon, ocular, vascular, oral, hair, spinal cord, and uterine tissues). We expect that our article would serve as a guideline for readers to design their microneedle systems according to different applications, including material selection, drug selection, and structure design, for achieving better healing and regeneration efficacy.
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Affiliation(s)
- Shang Lyu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
| | - Zhifei Dong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Xiaoxiao Xu
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Faculty of Science, University of Waterloo, Waterloo, Ontario, Canada
| | - Ho-Pan Bei
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Ho-Yin Yuen
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Chung-Wai James Cheung
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
| | - Man-Sang Wong
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, PR China
- Corresponding author.
| | - Xin Zhao
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR, PR China
- Corresponding author.
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17
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Main EN, Cruz TM, Bowlin GL. Mitochondria as a therapeutic: a potential new frontier in driving the shift from tissue repair to regeneration. Regen Biomater 2023; 10:rbad070. [PMID: 37663015 PMCID: PMC10468651 DOI: 10.1093/rb/rbad070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/12/2023] [Accepted: 08/08/2023] [Indexed: 09/05/2023] Open
Abstract
Fibrosis, or scar tissue development, is associated with numerous pathologies and is often considered a worst-case scenario in terms of wound healing or the implantation of a biomaterial. All that remains is a disorganized, densely packed and poorly vascularized bundle of connective tissue, which was once functional tissue. This creates a significant obstacle to the restoration of tissue function or integration with any biomaterial. Therefore, it is of paramount importance in tissue engineering and regenerative medicine to emphasize regeneration, the successful recovery of native tissue function, as opposed to repair, the replacement of the native tissue (often with scar tissue). A technique dubbed 'mitochondrial transplantation' is a burgeoning field of research that shows promise in in vitro, in vivo and various clinical applications in preventing cell death, reducing inflammation, restoring cell metabolism and proper oxidative balance, among other reported benefits. However, there is currently a lack of research regarding the potential for mitochondrial therapies within tissue engineering and regenerative biomaterials. Thus, this review explores these promising findings and outlines the potential for mitochondrial transplantation-based therapies as a new frontier of scientific research with respect to driving regeneration in wound healing and host-biomaterial interactions, the current successes of mitochondrial transplantation that warrant this potential and the critical questions and remaining obstacles that remain in the field.
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Affiliation(s)
- Evan N Main
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
| | - Thaiz M Cruz
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
| | - Gary L Bowlin
- Department of Biomedical Engineering, University of Memphis, 330 Engineering Technology Building, Memphis, TN 38152, USA
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18
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Sastrawidjaya C, Nguyen PHD. A commentary on: TDO2-augmented fibroblasts secrete EVs enriched in immunomodulatory Y-derived small RNA. JOURNAL OF EXTRACELLULAR BIOLOGY 2023; 2:e99. [PMID: 38939510 PMCID: PMC11080861 DOI: 10.1002/jex2.99] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 05/21/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2024]
Affiliation(s)
- Clarissa Sastrawidjaya
- Department of Pharmacology, Institute for Digital MedicineNational University of SingaporeSingaporeSingapore
| | - Phuong H. D. Nguyen
- Department of Pharmacology, Institute for Digital MedicineNational University of SingaporeSingaporeSingapore
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19
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Biglari N, Mehdizadeh A, Vafaei Mastanabad M, Gharaeikhezri MH, Gol Mohammad Pour Afrakoti L, Pourbala H, Yousefi M, Soltani-Zangbar MS. Application of mesenchymal stem cells (MSCs) in neurodegenerative disorders: History, findings, and prospective challenges. Pathol Res Pract 2023; 247:154541. [PMID: 37245265 DOI: 10.1016/j.prp.2023.154541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/30/2023]
Abstract
Over the past few decades, the application of mesenchymal stem cells has captured the attention of researchers and practitioners worldwide. These cells can be obtained from practically every tissue in the body and are used to treat a broad variety of conditions, most notably neurological diseases such as Parkinson's disease, multiple sclerosis, amyotrophic lateral sclerosis, and Alzheimer's disease. Studies are still being conducted, and the results of these studies have led to the identification of several different molecular pathways involved in the neuroglial speciation process. These molecular systems are closely regulated and interconnected due to the coordinated efforts of many components that make up the machinery responsible for cell signaling. Within the scope of this study, we compared and contrasted the numerous mesenchymal cell sources and their cellular features. These many sources of mesenchymal cells included adipocyte cells, fetal umbilical cord tissue, and bone marrow. In addition, we investigated whether these cells can potentially treat and modify neurodegenerative illnesses.
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Affiliation(s)
- Negin Biglari
- Department of Animal Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran; Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahsa Vafaei Mastanabad
- Neurosurgery Department, Faculty of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | | | | | - Hooman Pourbala
- Department of Pharmacology and Toxicology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Yousefi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Sadegh Soltani-Zangbar
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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20
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Dwyer KD, Kant RJ, Soepriatna AH, Roser SM, Daley MC, Sabe SA, Xu CM, Choi BR, Sellke FW, Coulombe KLK. One Billion hiPSC-Cardiomyocytes: Upscaling Engineered Cardiac Tissues to Create High Cell Density Therapies for Clinical Translation in Heart Regeneration. Bioengineering (Basel) 2023; 10:587. [PMID: 37237658 PMCID: PMC10215511 DOI: 10.3390/bioengineering10050587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023] Open
Abstract
Despite the overwhelming use of cellularized therapeutics in cardiac regenerative engineering, approaches to biomanufacture engineered cardiac tissues (ECTs) at clinical scale remain limited. This study aims to evaluate the impact of critical biomanufacturing decisions-namely cell dose, hydrogel composition, and size-on ECT formation and function-through the lens of clinical translation. ECTs were fabricated by mixing human induced pluripotent stem-cell-derived cardiomyocytes (hiPSC-CMs) and human cardiac fibroblasts into a collagen hydrogel to engineer meso-(3 × 9 mm), macro- (8 × 12 mm), and mega-ECTs (65 × 75 mm). Meso-ECTs exhibited a hiPSC-CM dose-dependent response in structure and mechanics, with high-density ECTs displaying reduced elastic modulus, collagen organization, prestrain development, and active stress generation. Scaling up, cell-dense macro-ECTs were able to follow point stimulation pacing without arrhythmogenesis. Finally, we successfully fabricated a mega-ECT at clinical scale containing 1 billion hiPSC-CMs for implantation in a swine model of chronic myocardial ischemia to demonstrate the technical feasibility of biomanufacturing, surgical implantation, and engraftment. Through this iterative process, we define the impact of manufacturing variables on ECT formation and function as well as identify challenges that must still be overcome to successfully accelerate ECT clinical translation.
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Affiliation(s)
- Kiera D. Dwyer
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
| | - Rajeev J. Kant
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
| | - Arvin H. Soepriatna
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
| | - Stephanie M. Roser
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
| | - Mark C. Daley
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
| | - Sharif A. Sabe
- Cardiovascular Research Center, Cardiovascular Institute, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
- Division of Cardiothoracic Surgery, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Cynthia M. Xu
- Cardiovascular Research Center, Cardiovascular Institute, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
- Division of Cardiothoracic Surgery, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Bum-Rak Choi
- Cardiovascular Research Center, Cardiovascular Institute, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Frank W. Sellke
- Cardiovascular Research Center, Cardiovascular Institute, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
- Division of Cardiothoracic Surgery, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Kareen L. K. Coulombe
- School of Engineering, Brown University Center for Biomedical Engineering, Providence, RI 02912, USA; (K.D.D.)
- Cardiovascular Research Center, Cardiovascular Institute, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA
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21
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Three-Dimensional Bio-Printed Cardiac Patch for Sustained Delivery of Extracellular Vesicles from the Interface. Gels 2022; 8:gels8120769. [PMID: 36547293 PMCID: PMC9777613 DOI: 10.3390/gels8120769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Cardiac tissue engineering has emerged as a promising strategy to treat infarcted cardiac tissues by replacing the injured region with an ex vivo fabricated functional cardiac patch. Nevertheless, integration of the transplanted patch with the host tissue is still a burden, limiting its clinical application. Here, a bi-functional, 3D bio-printed cardiac patch (CP) design is proposed, composed of a cell-laden compartment at its core and an extracellular vesicle (EV)-laden compartment at its shell for better integration of the CP with the host tissue. Alginate-based bioink solutions were developed for each compartment and characterized rheologically, examined for printability and their effect on residing cells or EVs. The resulting 3D bio-printed CP was examined for its mechanical stiffness, showing an elastic modulus between 4-5 kPa at day 1 post-printing, suitable for transplantation. Affinity binding of EVs to alginate sulfate (AlgS) was validated, exhibiting dissociation constant values similar to those of EVs with heparin. The incorporation of AlgS-EVs complexes within the shell bioink sustained EV release from the CP, with 88% cumulative release compared with 92% without AlgS by day 4. AlgS also prolonged the release profile by an additional 2 days, lasting 11 days overall. This CP design comprises great potential at promoting more efficient patch assimilation with the host.
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22
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Lozano J, Rai A, Lees JG, Fang H, Claridge B, Lim SY, Greening DW. Scalable Generation of Nanovesicles from Human-Induced Pluripotent Stem Cells for Cardiac Repair. Int J Mol Sci 2022; 23:14334. [PMID: 36430812 PMCID: PMC9696585 DOI: 10.3390/ijms232214334] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/03/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022] Open
Abstract
Extracellular vesicles (EVs) from stem cells have shown significant therapeutic potential to repair injured cardiac tissues and regulate pathological fibrosis. However, scalable generation of stem cells and derived EVs for clinical utility remains a huge technical challenge. Here, we report a rapid size-based extrusion strategy to generate EV-like membranous nanovesicles (NVs) from easily sourced human iPSCs in large quantities (yield 900× natural EVs). NVs isolated using density-gradient separation (buoyant density 1.13 g/mL) are spherical in shape and morphologically intact and readily internalised by human cardiomyocytes, primary cardiac fibroblasts, and endothelial cells. NVs captured the dynamic proteome of parental cells and include pluripotency markers (LIN28A, OCT4) and regulators of cardiac repair processes, including tissue repair (GJA1, HSP20/27/70, HMGB1), wound healing (FLNA, MYH9, ACTC1, ILK), stress response/translation initiation (eIF2S1/S2/S3/B4), hypoxia response (HMOX2, HSP90, GNB1), and extracellular matrix organization (ITGA6, MFGE8, ITGB1). Functionally, NVs significantly promoted tubule formation of endothelial cells (angiogenesis) (p < 0.05) and survival of cardiomyocytes exposed to low oxygen conditions (hypoxia) (p < 0.0001), as well as attenuated TGF-β mediated activation of cardiac fibroblasts (p < 0.0001). Quantitative proteome profiling of target cell proteome following NV treatments revealed upregulation of angiogenic proteins (MFGE8, MYH10, VDAC2) in endothelial cells and pro-survival proteins (CNN2, THBS1, IGF2R) in cardiomyocytes. In contrast, NVs attenuated TGF-β-driven extracellular matrix remodelling capacity in cardiac fibroblasts (ACTN1, COL1A1/2/4A2/12A1, ITGA1/11, THBS1). This study presents a scalable approach to generating functional NVs for cardiac repair.
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Affiliation(s)
- Jonathan Lozano
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Baker Department of Cardiovascular Research Translation and Implementation, La Trobe University, Melbourne, VIC 3086, Australia
- Department of Microbiology, Anatomy, Physiology and Pharmacology, School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC 3086, Australia
| | - Alin Rai
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Baker Department of Cardiovascular Research Translation and Implementation, La Trobe University, Melbourne, VIC 3086, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC 3010, Australia
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
| | - Jarmon G. Lees
- O’Brien Institute Department, St Vincent’s Institute of Medical Research, Melbourne, VIC 3065, Australia
- Department of Surgery and Medicine, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Haoyun Fang
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC 3010, Australia
| | - Bethany Claridge
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC 3086, Australia
| | - Shiang Y. Lim
- O’Brien Institute Department, St Vincent’s Institute of Medical Research, Melbourne, VIC 3065, Australia
- Department of Surgery and Medicine, University of Melbourne, Melbourne, VIC 3010, Australia
- National Heart Research Institute Singapore, National Heart Centre, Singapore 169609, Singapore
- Drug Discovery Biology, Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, Melbourne, VIC 3800, Australia
| | - David W. Greening
- Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
- Baker Department of Cardiovascular Research Translation and Implementation, La Trobe University, Melbourne, VIC 3086, Australia
- Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC 3010, Australia
- Central Clinical School, Monash University, Melbourne, VIC 3004, Australia
- Department of Biochemistry and Chemistry, School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, VIC 3086, Australia
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Basara G, Bahcecioglu G, Ozcebe SG, Ellis BW, Ronan G, Zorlutuna P. Myocardial infarction from a tissue engineering and regenerative medicine point of view: A comprehensive review on models and treatments. BIOPHYSICS REVIEWS 2022; 3:031305. [PMID: 36091931 PMCID: PMC9447372 DOI: 10.1063/5.0093399] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 08/08/2022] [Indexed: 05/12/2023]
Abstract
In the modern world, myocardial infarction is one of the most common cardiovascular diseases, which are responsible for around 18 million deaths every year or almost 32% of all deaths. Due to the detrimental effects of COVID-19 on the cardiovascular system, this rate is expected to increase in the coming years. Although there has been some progress in myocardial infarction treatment, translating pre-clinical findings to the clinic remains a major challenge. One reason for this is the lack of reliable and human representative healthy and fibrotic cardiac tissue models that can be used to understand the fundamentals of ischemic/reperfusion injury caused by myocardial infarction and to test new drugs and therapeutic strategies. In this review, we first present an overview of the anatomy of the heart and the pathophysiology of myocardial infarction, and then discuss the recent developments on pre-clinical infarct models, focusing mainly on the engineered three-dimensional cardiac ischemic/reperfusion injury and fibrosis models developed using different engineering methods such as organoids, microfluidic devices, and bioprinted constructs. We also present the benefits and limitations of emerging and promising regenerative therapy treatments for myocardial infarction such as cell therapies, extracellular vesicles, and cardiac patches. This review aims to overview recent advances in three-dimensional engineered infarct models and current regenerative therapeutic options, which can be used as a guide for developing new models and treatment strategies.
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Affiliation(s)
- Gozde Basara
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Gokhan Bahcecioglu
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - S. Gulberk Ozcebe
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Bradley W Ellis
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - George Ronan
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Pinar Zorlutuna
- Present address: 143 Multidisciplinary Research Building, University of Notre Dame, Notre Dame, IN 46556. Author to whom correspondence should be addressed:. Tel.: +1 574 631 8543. Fax: +1 574 631 8341
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Rampoldi A, Forghani P, Li D, Hwang H, Armand LC, Fite J, Boland G, Maxwell J, Maher K, Xu C. Space microgravity improves proliferation of human iPSC-derived cardiomyocytes. Stem Cell Reports 2022; 17:2272-2285. [PMID: 36084640 PMCID: PMC9561632 DOI: 10.1016/j.stemcr.2022.08.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 11/30/2022] Open
Abstract
In microgravity, cells undergo profound changes in their properties. However, how human cardiac progenitors respond to space microgravity is unknown. In this study, we evaluated the effect of space microgravity on differentiation of human induced pluripotent stem cell (hiPSC)-derived cardiac progenitors compared with 1G cultures on the International Space Station (ISS). Cryopreserved 3D cardiac progenitors were cultured for 3 weeks on the ISS. Compared with 1G cultures, the microgravity cultures had 3-fold larger sphere sizes, 20-fold higher counts of nuclei, and increased expression of proliferation markers. Highly enriched cardiomyocytes generated in space microgravity showed improved Ca2+ handling and increased expression of contraction-associated genes. Short-term exposure (3 days) of cardiac progenitors to space microgravity upregulated genes involved in cell proliferation, survival, cardiac differentiation, and contraction, consistent with improved microgravity cultures at the late stage. These results indicate that space microgravity increased proliferation of hiPSC-cardiomyocytes, which had appropriate structure and function. Cryopreserved 3D hiPSC-cardiac progenitors differentiated efficiently in space Microgravity cultures had increased sphere sizes and cellular proliferation Beating cardiomyocytes in microgravity cultures had improved Ca2+ handling Microgravity cultures had upregulated genes in cardiac contraction
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Affiliation(s)
- Antonio Rampoldi
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Parvin Forghani
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Dong Li
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Hyun Hwang
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Lawrence Christian Armand
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | | | | | - Joshua Maxwell
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Kevin Maher
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA
| | - Chunhui Xu
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, USA.
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25
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Ellis BW, Ronan G, Ren X, Bahcecioglu G, Senapati S, Anderson D, Handberg E, March KL, Chang HC, Zorlutuna P. Human Heart Anoxia and Reperfusion Tissue (HEART) Model for the Rapid Study of Exosome Bound miRNA Expression As Biomarkers for Myocardial Infarction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201330. [PMID: 35670145 PMCID: PMC9283287 DOI: 10.1002/smll.202201330] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/27/2022] [Indexed: 05/12/2023]
Abstract
Current biomarkers for myocardial infarction (MI) diagnosis are typically late markers released upon cell death, incapable of distinguishing between ischemic and reperfusion injury and can be symptoms of other pathologies. Circulating microRNAs (miRNAs) have recently been proposed as alternative biomarkers for MI diagnosis; however, detecting the changes in the human cardiac miRNA profile during MI is extremely difficult. Here, to study the changes in miRNA levels during acute MI, a heart-on-chip model with a cardiac channel, containing human induced pluripotent stem cell (hiPSC)-derived cardiomyocytes in human heart decellularized matrix and collagen, and a vascular channel, containing hiPSC-derived endothelial cells, is developed. This model is exposed to anoxia followed by normoxia to mimic ischemia and reperfusion, respectively. Using a highly sensitive miRNA biosensor that the authors developed, the exact same increase in miR-1, miR-208b, and miR-499 levels in the MI-on-chip and the time-matched human blood plasma samples collected before and after ischemia and reperfusion, is shown. That the surface marker profile of exosomes in the engineered model changes in response to ischemic and reperfusion injury, which can be used as biomarkers to detect MI, is also shown. Hence, the MI-on-chip model developed here can be used in biomarker discovery.
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Affiliation(s)
- Bradley W Ellis
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - George Ronan
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Xiang Ren
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Gokhan Bahcecioglu
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Satyajyoti Senapati
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - David Anderson
- Division of Cardiology, Department of Medicine in the College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Eileen Handberg
- Division of Cardiology, Department of Medicine in the College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Keith L March
- Division of Cardiology, Department of Medicine in the College of Medicine, University of Florida, Gainesville, FL, 32610, USA
| | - Hsueh-Chia Chang
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, 46556, USA
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
| | - Pinar Zorlutuna
- Bioengineering Graduate Program, University of Notre Dame, Notre Dame, IN, 46556, USA
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, IN, 46556, USA
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26
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Cardiomyocyte Proliferation from Fetal- to Adult- and from Normal- to Hypertrophy and Failing Hearts. BIOLOGY 2022; 11:biology11060880. [PMID: 35741401 PMCID: PMC9220194 DOI: 10.3390/biology11060880] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/26/2022] [Accepted: 06/02/2022] [Indexed: 11/20/2022]
Abstract
Simple Summary Death from injury to the heart from a variety of causes remains a major cause of mortality worldwide. The cardiomyocyte, the major contracting cell of the heart, is responsible for pumping blood to the rest of the body. During fetal development, these immature cardiomyocytes are small and rapidly divide to complete development of the heart by birth when they develop structural and functional characteristics of mature cells which prevent further division. All further growth of the heart after birth is due to an increase in the size of cardiomyocytes, hypertrophy. Following the loss of functional cardiomyocytes due to coronary artery occlusion or other causes, the heart is unable to replace the lost cells. One of the significant research goals has been to induce adult cardiomyocytes to reactivate the cell cycle and repair cardiac injury. This review explores the developmental, structural, and functional changes of the growing cardiomyocyte, and particularly the sarcomere, responsible for force generation, from the early fetal period of reproductive cell growth through the neonatal period and on to adulthood, as well as during pathological response to different forms of myocardial diseases or injury. Multiple issues relative to cardiomyocyte cell-cycle regulation in normal or diseased conditions are discussed. Abstract The cardiomyocyte undergoes dramatic changes in structure, metabolism, and function from the early fetal stage of hyperplastic cell growth, through birth and the conversion to hypertrophic cell growth, continuing to the adult stage and responding to various forms of stress on the myocardium, often leading to myocardial failure. The fetal cell with incompletely formed sarcomeres and other cellular and extracellular components is actively undergoing mitosis, organelle dispersion, and formation of daughter cells. In the first few days of neonatal life, the heart is able to repair fully from injury, but not after conversion to hypertrophic growth. Structural and metabolic changes occur following conversion to hypertrophic growth which forms a barrier to further cardiomyocyte division, though interstitial components continue dividing to keep pace with cardiac growth. Both intra- and extracellular structural changes occur in the stressed myocardium which together with hemodynamic alterations lead to metabolic and functional alterations of myocardial failure. This review probes some of the questions regarding conditions that regulate normal and pathologic growth of the heart.
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Kashiyama N, Kormos RL, Matsumura Y, D'Amore A, Miyagawa S, Sawa Y, Wagner WR. Adipose-derived stem cell sheet under an elastic patch improves cardiac function in rats after myocardial infarction. J Thorac Cardiovasc Surg 2022; 163:e261-e272. [PMID: 32636026 DOI: 10.1016/j.jtcvs.2020.04.150] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 04/12/2020] [Accepted: 04/14/2020] [Indexed: 01/28/2023]
Abstract
OBJECTIVES Although adipose-derived stem cells (ADSCs) have shown promise in cardiac regeneration, stable engraftment is still challenging. Acellular bioengineered cardiac patches have shown promise in positively altering ventricular remodeling in ischemic cardiomyopathy. We hypothesized that combining an ADSC sheet approach with a bioengineered patch would enhance ADSC engraftment and positively promote cardiac function compared with either therapy alone in a rat ischemic cardiomyopathy model. METHODS Cardiac patches were generated from poly(ester carbonate urethane) urea and porcine decellularized cardiac extracellular matrix. ADSCs constitutively expressing green fluorescent protein were established from F344 rats and transplanted as a cell sheet over the left ventricle 3 days after left anterior descending artery ligation with or without an overlying cardiac patch. Cardiac function was serially evaluated using echocardiography for 8 weeks, comparing groups with combined cells and patch (group C, n = 9), ADSCs alone (group A, n = 7), patch alone (group P, n = 6) or sham groups (n = 7). RESULTS Much greater numbers of ADSCs survived in the C versus A groups (P < .01). At 8 weeks posttransplant, the percentage fibrotic area was lower (P < .01) in groups C and P compared with the other groups and vasculature in the peri-infarct zone was greater in group C versus other groups (P < .01), and hepatocyte growth factor expression was higher in group C than in other groups (P < .05). Left ventricular ejection fraction was higher in group C versus other groups. CONCLUSIONS A biodegradable cardiac patch enhanced ADSC engraftment, which was associated with greater cardiac function and neovascularization in the peri-infarct zone following subacute myocardial infarction.
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Affiliation(s)
- Noriyuki Kashiyama
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pa; Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pa; Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, Pa; Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita-city, Osaka, Japan
| | - Robert L Kormos
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pa; Heart and Vascular Institute, University of Pittsburgh Medical Center, Pittsburgh, Pa; Department of Cardiothoracic Surgery, University of Pittsburgh, Pittsburgh, Pa
| | - Yasumoto Matsumura
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pa
| | - Antonio D'Amore
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pa; Fondazione RiMED, Palermo, Italy
| | - Shigeru Miyagawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita-city, Osaka, Japan
| | - Yoshiki Sawa
- Department of Cardiovascular Surgery, Osaka University Graduate School of Medicine, Suita-city, Osaka, Japan
| | - William R Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pa; Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pa; Department of Surgery, University of Pittsburgh, Pittsburgh, Pa.
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28
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Velarde F, Ezquerra S, Delbruyere X, Caicedo A, Hidalgo Y, Khoury M. Mesenchymal stem cell-mediated transfer of mitochondria: mechanisms and functional impact. Cell Mol Life Sci 2022; 79:177. [PMID: 35247083 PMCID: PMC11073024 DOI: 10.1007/s00018-022-04207-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 01/27/2022] [Accepted: 02/11/2022] [Indexed: 12/13/2022]
Abstract
There is a steadily growing interest in the use of mitochondria as therapeutic agents. The use of mitochondria derived from mesenchymal stem/stromal cells (MSCs) for therapeutic purposes represents an innovative approach to treat many diseases (immune deregulation, inflammation-related disorders, wound healing, ischemic events, and aging) with an increasing amount of promising evidence, ranging from preclinical to clinical research. Furthermore, the eventual reversal, induced by the intercellular mitochondrial transfer, of the metabolic and pro-inflammatory profile, opens new avenues to the understanding of diseases' etiology, their relation to both systemic and local risk factors, and also leads to new therapeutic tools for the control of inflammatory and degenerative diseases. To this end, we illustrate in this review, the triggers and mechanisms behind the transfer of mitochondria employed by MSCs and the underlying benefits as well as the possible adverse effects of MSCs mitochondrial exchange. We relay the rationale and opportunities for the use of these organelles in the clinic as cell-based product.
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Affiliation(s)
- Francesca Velarde
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
- Faculty of Medicine, Universidad de los Andes, Santiago, Chile
| | - Sarah Ezquerra
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
| | - Xavier Delbruyere
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
| | - Andres Caicedo
- Universidad San Francisco de Quito USFQ, Colegio de Ciencias de la Salud, Escuela de Medicina, Quito, Ecuador
- Universidad San Francisco de Quito USFQ, Instituto de Investigaciones en Biomedicina iBioMed, Quito, Ecuador
- Mito-Act Research Consortium, Quito, Ecuador
- Sistemas Médicos SIME, Universidad San Francisco de Quito USFQ, Quito, Ecuador
| | - Yessia Hidalgo
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile.
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile.
| | - Maroun Khoury
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de los Andes, Santiago, Chile.
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile.
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Cardiac regeneration following myocardial infarction: the need for regeneration and a review of cardiac stromal cell populations used for transplantation. Biochem Soc Trans 2022; 50:269-281. [PMID: 35129611 PMCID: PMC9042388 DOI: 10.1042/bst20210231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/02/2022] [Accepted: 01/06/2022] [Indexed: 02/07/2023]
Abstract
Myocardial infarction is a leading cause of death globally due to the inability of the adult human heart to regenerate after injury. Cell therapy using cardiac-derived progenitor populations emerged about two decades ago with the aim of replacing cells lost after ischaemic injury. Despite early promise from rodent studies, administration of these populations has not translated to the clinic. We will discuss the need for cardiac regeneration and review the debate surrounding how cardiac progenitor populations exert a therapeutic effect following transplantation into the heart, including their ability to form de novo cardiomyocytes and the release of paracrine factors. We will also discuss limitations hindering the cell therapy field, which include the challenges of performing cell-based clinical trials and the low retention of administered cells, and how future research may overcome them.
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30
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Wang S, Xu J, Li W, Sun S, Gao S, Hou Y. Magnetic Nanostructures: Rational Design and Fabrication Strategies toward Diverse Applications. Chem Rev 2022; 122:5411-5475. [PMID: 35014799 DOI: 10.1021/acs.chemrev.1c00370] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
In recent years, the continuous development of magnetic nanostructures (MNSs) has tremendously promoted both fundamental scientific research and technological applications. Different from the bulk magnet, the systematic engineering on MNSs has brought a great breakthrough in some emerging fields such as the construction of MNSs, the magnetism exploration of multidimensional MNSs, and their potential translational applications. In this review, we give a detailed description of the synthetic strategies of MNSs based on the fundamental features and application potential of MNSs and discuss the recent progress of MNSs in the fields of nanomedicines, advanced nanobiotechnology, catalysis, and electromagnetic wave adsorption (EMWA), aiming to provide guidance for fabrication strategies of MNSs toward diverse applications.
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Affiliation(s)
- Shuren Wang
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, School of Materials Science and Engineering, Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
| | - Junjie Xu
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, School of Materials Science and Engineering, Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
| | - Wei Li
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, School of Materials Science and Engineering, Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
| | - Shengnan Sun
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, School of Materials Science and Engineering, Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
| | - Song Gao
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.,Institute of Spin-X Science and Technology, South China University of Technology, Guangzhou 511442, China
| | - Yanglong Hou
- Beijing Key Laboratory of Magnetoelectric Materials and Devices, School of Materials Science and Engineering, Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
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31
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Buja LM, Mitchell RN. Basic pathobiology of cell-based therapies and cardiac regenerative medicine. Cardiovasc Pathol 2022. [DOI: 10.1016/b978-0-12-822224-9.00016-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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32
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Jin Z, Zhang W, Luo Y, Li X, Qing L, Zuo Q, Fang J, Wu W. Protective effect of Qingre Huoxue decoction against myocardial infarction via PI3K/Akt autophagy pathway based on UPLC-MS, network pharmacology, and in vivo evidence. PHARMACEUTICAL BIOLOGY 2021; 59:1607-1618. [PMID: 34818128 PMCID: PMC8635559 DOI: 10.1080/13880209.2021.2001542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/22/2021] [Accepted: 10/28/2021] [Indexed: 06/13/2023]
Abstract
CONTEXT Qingre Huoxue (QRHX) decoction, a traditional Chinese medicine, has been widely used to prevent and treat myocardial infarction (MI). OBJECTIVE This study elucidates the possible mechanisms of QRHX in preventing or treating MI in a rat model. MATERIALS AND METHODS The chemical constituents of QRHX were identified by UPLC-MS. Sprague-Dawley rats were randomly divided into the Sham (normal saline), Model (normal saline), QRHX-L, QRHX-M and QRHX-H group (n = 10 per group). QRHX decoction was administered by gavage to the rats for 14 days (5, 10 and 20 g/kg/day). The left anterior descending ligation method was performed to develop MI in Model and QRHX groups, and the same surgical procedures excluding ligation sutures were performed for the sham group. Finally, we evaluated cardiac function, myocardial fibrosis degree, serum inflammatory factors, autophagy levels and verified the signalling pathways in vivo. RESULTS A total of 68 active components of QRHX corresponding to 223 active targets were obtained and 2558 MI-related disease targets were collected. After integration, 123 QRHX anti-MI targets were obtained, and 70 signalling pathways, such as PI3K/Akt, were identified by enrichment analysis. In vivo experiments suggest that QRHX could reduce the degree of myocardial fibrosis, downregulate serum inflammatory factors, and promote autophagy in MI rats. DISCUSSION AND CONCLUSIONS QRHX plays a protective role in the myocardium by mediating PI3K/Akt signalling pathway to activate autophagy and inhibiting inflammatory factor expression. These findings provide a scientific basis for further research and validation of QRHX as a potential therapeutic for MI.
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Affiliation(s)
- Zheng Jin
- ZhuJiang Hospital, Southern Medical University, Guangzhou, China
| | - Wenbo Zhang
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yuan Luo
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiushen Li
- Department of Obstetrics and Gynecology, Shenzhen University General Hospital, Shenzhen, China
| | - Lijin Qing
- Department of Cardiovascular, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qiang Zuo
- First Affiliated Hospital, Anhui University of Chinese Medicine, Hefei, China
| | - Junfeng Fang
- Department of Emergency, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei Wu
- Department of Cardiovascular, First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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Wang Q, Fu W, Yu X, Xu H, Sui D, Wang Y. Ginsenoside Rg2 alleviates myocardial fibrosis by regulating TGF-β1/Smad signalling pathway. PHARMACEUTICAL BIOLOGY 2021; 59:106-113. [PMID: 33535854 PMCID: PMC8871615 DOI: 10.1080/13880209.2020.1867197] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 11/21/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
CONTEXT Panax ginseng C.A. Meyer (Araliaceae) has cardioprotective effects. Ginsenosides are responsible for most of the pharmacological activities of ginseng. OBJECTIVE This study investigates the effect of ginsenoside Rg2 on myocardial fibrosis in myocardial ischaemia rats. MATERIALS AND METHODS Male Wistar rats were divided into control, isoproterenol, ginsenoside Rg2 (5, 20 mg/kg) groups (n = 8). The rats were subcutaneously injected with isoproterenol (5 mg/kg) or normal saline (control group) once daily for 7 days. The animals were intragastrically treated with ginsenoside Rg2 or 0.5% CMC-Na (control and isoproterenol groups) daily for 28 days. At day 28, cardiac function, myocardial fibrosis, and TGF-β1/Smad signalling pathway were evaluated. RESULTS Compared with myocardial ischaemic rats, ginsenoside Rg2 at doses of 5, 20 mg/kg abated partially the augment of LVEDP (8.9 ± 1.3 vs. 7.5 ± 0.7, 7.2 ± 1.0 mmHg) and the decreases of the LVSP (96.75 ± 13.2 vs. 118.3 ± 19.4, 124.3 ± 21.3 mmHg), the + dp/dt (2142.8 ± 309.3 vs. 2598.6 ± 404.0, 2661.5 ± 445.2 mmHg/s), and the -dp/dt (1996.3 ± 306.3 vs. 2476.6 ± 289.7, 2509.6 ± 353.1 mmHg/s). Ginsenoside Rg2 (9.2 ± 0.9%, 8.5 ± 0.8%) alleviated myocardial fibrosis when compared with the isoproterenol group (10.1 ± 1.0%), which was accompanied by suppressed TGF-β1/Smad signalling in heart tissues. CONCLUSIONS Ginsenosides from ginseng possess the property of alleviating myocardial fibrosis, improving cardiac function after myocardial ischaemia. Ginsenosides may be promising agents for improving the outcomes of patients with myocardial ischaemia.
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Affiliation(s)
- Quanwei Wang
- Departments of Cardiovascular Medicine, First Hospital, Jilin University, Changchun, PR China
| | - Wenwen Fu
- Department of Pharmacology, School of Pharmacy, Jilin University, Changchun, PR China
| | - Xiaofeng Yu
- Department of Pharmacology, School of Pharmacy, Jilin University, Changchun, PR China
| | - Huali Xu
- Department of Pharmacology, School of Pharmacy, Jilin University, Changchun, PR China
| | - Dayun Sui
- Department of Pharmacology, School of Pharmacy, Jilin University, Changchun, PR China
| | - Yeling Wang
- Departments of Cardiovascular Medicine, First Hospital, Jilin University, Changchun, PR China
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Paddock SJ, Swift SK, Alencar-Almeida V, Kenarsary A, Alvarez-Argote S, Flinn MA, Patterson M, O'Meara CC. IL4Rα signaling promotes neonatal cardiac regeneration and cardiomyocyte cell cycle activity. J Mol Cell Cardiol 2021; 161:62-74. [PMID: 34343540 PMCID: PMC8629844 DOI: 10.1016/j.yjmcc.2021.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/25/2021] [Accepted: 07/28/2021] [Indexed: 12/31/2022]
Abstract
Neonatal heart regeneration depends on proliferation of pre-existing cardiomyocytes, yet the mechanisms driving regeneration and cardiomyocyte proliferation are not comprehensively understood. We recently reported that the anti-inflammatory cytokine, interleukin 13 (IL13), promotes neonatal cardiac regeneration; however, the signaling pathway and cell types mediating this regenerative response remain unknown. Here, we hypothesized that expression of the type II heterodimer receptor for IL13, comprised of IL4Rα and IL13Rα1, expressed directly on cardiomyocytes mediates cardiomyocyte cell cycle and heart regeneration in neonatal mice. Our data demonstrate that indeed global deletion of one critical subunit of the type II receptor, IL4Rα (IL4Rα-/-), decreases cardiomyocyte proliferation during early postnatal development and significantly impairs cardiac regeneration following injury in neonatal mice. While multiple myocardial cell types express IL4Rα, we demonstrate that IL4Rα deletion specifically in cardiomyocytes mediates cell cycle activity and neonatal cardiac regeneration. This demonstrates for the first time a functional role for IL4Rα signaling directly on cardiomyocytes in vivo. Reciprocally, we examined the therapeutic benefit of activating the IL4Rα receptor in non-regenerative hearts via IL13 administration. Following myocardial infarction, administration of IL13 reduced scar size and promoted cardiomyocyte DNA synthesis and karyokinesis, but not complete cytokinesis, in 6-day old non-regenerative mice. Our data demonstrate a novel role for IL4Rα signaling directly on cardiomyocytes during heart regeneration and suggest the potential for type II receptor activation as one potential therapeutic target for promoting myocardial repair.
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Affiliation(s)
- Samantha J Paddock
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Samantha K Swift
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Victor Alencar-Almeida
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Aria Kenarsary
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Santiago Alvarez-Argote
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Michael A Flinn
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Michaela Patterson
- Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America; Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, WI, United States of America
| | - Caitlin C O'Meara
- Department of Physiology, Medical College of Wisconsin, Milwaukee, WI, United States of America; Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI, United States of America.
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Kabanov D, Klimovic S, Rotrekl V, Pesl M, Pribyl J. Atomic Force Spectroscopy is a promising tool to study contractile properties of cardiac cells. Micron 2021; 155:103199. [DOI: 10.1016/j.micron.2021.103199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/15/2021] [Accepted: 12/15/2021] [Indexed: 10/19/2022]
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Double-layered adhesive microneedle bandage based on biofunctionalized mussel protein for cardiac tissue regeneration. Biomaterials 2021; 278:121171. [PMID: 34624751 DOI: 10.1016/j.biomaterials.2021.121171] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/13/2021] [Accepted: 09/28/2021] [Indexed: 12/11/2022]
Abstract
Heart failure following myocardial infarction (MI), the primary cause of mortality worldwide, is the consequence of cardiomyocyte death or dysfunction. Clinical efforts involving the delivery of growth factors (GFs) and stem cells with the aim of regenerating cardiomyocytes for the recovery of structural and functional integrity have largely failed to deliver, mainly due to short half-lives and rapid clearance in in vivo environments. In this work, we selected and genetically fused four biofunctional peptides possessing angiogenic potential, originating from extracellular matrix proteins and GFs, to bioengineered mussel adhesive protein (MAP). We found that MAPs fused with vascular endothelial growth factor (VEGF)-derived peptide and fibronectin-derived RGD peptide significantly promoted the proliferation and migration of endothelial cells in vitro. Based on these characteristics, we fabricated advanced double-layered adhesive microneedle bandages (DL-AMNBs) consisting of a biofunctional MAP-based root and a regenerated silk fibroin (SF)-based tip, allowing homogeneous distribution of the regenerative factor via swellable microneedles. Our developed DL-AMNB system clearly demonstrated better preservation of cardiac muscle and regenerative effects on heart remodeling in a rat MI model, which might be attributed to the prolonged retention of therapeutic peptides as well as secure adhesion between the patch and host myocardium by MAP-inherent strong underwater adhesiveness.
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Kant RJ, Bare CF, Coulombe KL. Tissues with Patterned Vessels or Protein Release Induce Vascular Chemotaxis in an In Vitro Platform. Tissue Eng Part A 2021; 27:1290-1304. [PMID: 33472529 PMCID: PMC8610033 DOI: 10.1089/ten.tea.2020.0269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 01/11/2021] [Indexed: 12/14/2022] Open
Abstract
Engineered tissues designed for translational applications in regenerative medicine require vascular networks to deliver oxygen and nutrients rapidly to the implanted cells. A limiting factor of in vivo translation is the rapid and successful inosculation, or connection, of host and implanted vascular networks and subsequent perfusion of the implant. An approach gaining favor in vascular tissue engineering is to provide instructive cues from the engineered tissue to enhance host vascular penetration and connection with the implant. Here, we use a novel in vitro platform based on the aortic ring assay to evaluate the impact of patterned, endothelialized vessels or growth factor release from engineered constructs on preinosculative vascular cell outgrowth from surrogate host tissue in a controlled, defined environment, and introduce robust tools for evaluating vascular morphogenesis and chemotaxis. We demonstrate the creation of engineered vessels at the arteriole scale, which develop basement membrane, exhibit tight junctions, and actively sprout into the surrounding bulk hydrogel. Vessel-containing constructs are co-cultured adjacent to rodent aortic rings, and the resulting heterocellular outgrowth is quantified. Cells originating from the aortic ring migrate preferentially toward constructs containing engineered vessels with 1.5-fold faster outgrowth kinetics, 2.5-fold increased cellular density, and 1.6-fold greater network formation versus control (no endothelial cells and growth factor-reduced culture medium). Growth factor release from constructs with nonendothelialized channels and in reduced factor medium equivalently stimulates sustained vascular outgrowth distance, cellular density, and network formation, akin to engineered vessels in endothelial growth medium 2 (EGM-2) medium. In conclusion, we show that three-dimensional endothelialized patterned vessels or growth factor release stimulate a robust, host-derived vascular cell chemotactic response at early time points critical for instructive angiogenic cues. Further, we developed robust, unbiased tools to quantify metrics of vascular morphogenesis and preinosculative heterocellular outgrowth from rat aortic rings and demonstrated the utility of our complex, controlled environment, heterocellular in vitro platform. Impact statement Using a novel in vitro platform, we show that engineered constructs with patterned vessels or angiogenic growth factor release, two methods of instructing host revascularization responses, equivalently improve early host-derived vascular outgrowth. Our platform leverages the aortic ring assay in a tissue engineering context to study preinosculative vascular cell chemotaxis from surrogate host vascular cells in response to paracrine cues from co-cultured engineered tissues using robust, open-source quantification tools. Our accessible and flexible platform enables translationally focused studies in revascularization using implantable therapeutics containing prepatterned vessels with greater environmental control than in vivo studies to advance vascular tissue engineering.
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Affiliation(s)
- Rajeev J. Kant
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island, USA
| | - Colette F. Bare
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island, USA
| | - Kareen L.K. Coulombe
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, Rhode Island, USA
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Bhawnani N, Ethirajulu A, Alkasabera A, Onyali CB, Anim-Koranteng C, Shah HE, Mostafa JA. Effectiveness of Stem Cell Therapies in Improving Clinical Outcomes in Patients With Heart Failure. Cureus 2021; 13:e17236. [PMID: 34540463 PMCID: PMC8447853 DOI: 10.7759/cureus.17236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 08/16/2021] [Indexed: 11/15/2022] Open
Abstract
Heart failure (HF), continuing to be a notable cause of morbidity and mortality worldwide, also is a noteworthy economic burden to the patients. Current medical management of HF has poor efficacy to completely arrest or reverse the progression to end-stage disease. As the option of cardiac transplantation remains limited to few patients, the stem cell approach continues to be a promising one in developing a novel therapy in the treatment of HF. This review attempts to discuss and compare the outcomes of numerous clinical trials that involved treatment of HF of variable etiologies with stem cells of numerous lineages such as bone marrow-derived cells (BMCs), mesenchymal stem cells (MSCs), cardiosphere derived progenitor cells (CDCs), etc. We reviewed articles and randomized controlled trials (RCT) that used stem cells to treat heart failure. The articles and RCT studies were obtained through a search on PubMed and Medline databases and performed using regular and medical subject heading (MeSH) keyword search strategy. A total of 17 trial-based studies, along with other articles that met the aim of the review, were selected. A discussion of the findings from major clinical trials such as the C-CURE, CHART-1, POSEIDON, POSEIDON-DCM, TAC-HFT, and other small scale trials highlights the change in functional and mechanical parameters of HF, namely, left ventricular ejection fraction (LVEF), end-diastolic volume (EDV), end-systolic volume (ESV), 6-minute walking test distance (6MWTD), N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels and assessment of New York heart association (NYHA) class of heart failure, and Minnesota Living with Heart Failure Questionnaire (MLHFQ) score to reflect improvement in quality of life (QoL) of patients. Out of the studies analyzed, the majority reported significant improvements in at least two of the parameters mentioned above. However, more phase three randomized trials are required to compare the efficacy of multiple lineages of stem cells, factoring in molecular and dosage factors to develop a standardized therapy.
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Affiliation(s)
- Nitin Bhawnani
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Aarthi Ethirajulu
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Almothana Alkasabera
- General Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Chike B Onyali
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | | | - Hira E Shah
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Jihan A Mostafa
- Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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Wang S, Wang E, Chen Q, Yang Y, Xu L, Zhang X, Wu R, Hu X, Wu Z. Uncovering Potential lncRNAs and mRNAs in the Progression From Acute Myocardial Infarction to Myocardial Fibrosis to Heart Failure. Front Cardiovasc Med 2021; 8:664044. [PMID: 34336943 PMCID: PMC8322527 DOI: 10.3389/fcvm.2021.664044] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 06/15/2021] [Indexed: 01/01/2023] Open
Abstract
Background: Morbidity and mortality of heart failure (HF) post-myocardial infarction (MI) remain elevated. The aim of this study was to find potential long non-coding RNAs (lncRNAs) and mRNAs in the progression from acute myocardial infarction (AMI) to myocardial fibrosis (MF) to HF. Methods: Firstly, blood samples from AMI, MF, and HF patients were used for RNA sequencing. Secondly, differentially expressed lncRNAs and mRNAs were obtained in MF vs. AMI and HF vs. MF, followed by functional analysis of shared differentially expressed mRNAs between two groups. Thirdly, interaction networks of lncRNA-nearby targeted mRNA and lncRNA-co-expressed mRNA were constructed in MF vs. AMI and HF vs. MF. Finally, expression validation and diagnostic capability analysis of selected lncRNAs and mRNAs were performed. Results: Several lncRNA-co-expressed/nearby targeted mRNA pairs including AC005392.3/AC007278.2-IL18R1, AL356356.1/AL137145.2-PFKFB3, and MKNK1-AS1/LINC01127-IL1R2 were identified. Several signaling pathways including TNF and cytokine–cytokine receptor interaction, fructose and mannose metabolism and HIF-1, hematopoietic cell lineage and fluid shear stress, and atherosclerosis and estrogen were selected. IL1R2, IRAK3, LRG1, and PLAC4 had a potential diagnostic value for both AMI and HF. Conclusion: Identified AC005392.3/AC007278.2-IL18R1, AL356356.1/AL137145.2-PFKFB3, and MKNK1-AS1/LINC01127-IL1R2 lncRNA-co-expressed/nearby targeted mRNA pairs may play crucial roles in the development of AMI, MF, and HF.
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Affiliation(s)
- Shuo Wang
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Enmao Wang
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Qincong Chen
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Yan Yang
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Lei Xu
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Xiaolei Zhang
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Rubing Wu
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Xitian Hu
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
| | - Zhihong Wu
- Department of Cardiovasology, Shijiazhuang People's Hospital, Shijiazhuang, China
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Addition of Popular Exogenous Antioxidant Agent, PBN, to Culture Media May Be an Important Step to Optimization of Myogenic Stem/Progenitor Cell Preparation Protocol. Antioxidants (Basel) 2021; 10:antiox10060959. [PMID: 34203726 PMCID: PMC8232265 DOI: 10.3390/antiox10060959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 06/02/2021] [Accepted: 06/08/2021] [Indexed: 11/17/2022] Open
Abstract
The aim of the study was to modify human skeletal muscle-derived stem/progenitor cells (SkMDS/PCs) and demonstrate the optimal cell preparation protocol for application in post-infarction hearts. We used conditioned SkMDS/PC culture medium with α-phenyl-N-tert-butyl nitrone (PBN). SkMDS/PCs were cultured under hypoxic conditions and the results were compared to the standard ones. We observed a significant increase of CD-56 positive phenotypic marker the ability to form functional myotubes, increase in the proportion of young cells in cell primary suspensions, and a decrease in the percentage of apoptotic cells among PBN-conditioned cells in normoxia an hypoxia. We also observed significantly higher levels of SOD3 expression; maintained expression of SOD1, SOD2, and CAT; a higher level of BCL2 gene expression; and a rather significant decrease in Hsp70 gene expression in PBN-conditioned SkMDS/PCs compared to the WT population under hypoxic conditions. In addition, significant increase of myogenic genes expression was observed after PBN addition to culture medium, compared to WT population under hypoxia. Interestingly, PBN addition significantly increased the lengths of telomeres under hypoxia. Based on the data obtained, we can postulate that PBN conditioning of human SkMDS/PCs could be a promising step in improving myogenic cell preparation protocol for pro-regenerative treatment of post-infarction hearts.
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Kumar R, Gulia K. The convergence of nanotechnology‐stem cell, nanotopography‐mechanobiology, and biotic‐abiotic interfaces: Nanoscale tools for tackling the top killer, arteriosclerosis, strokes, and heart attacks. NANO SELECT 2021. [DOI: 10.1002/nano.202000192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Rajiv Kumar
- NIET National Institute of Medical Science Rajasthan India
| | - Kiran Gulia
- Materials and Manufacturing School of Engineering University of Wolverhampton Wolverhampton England, UK
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Fernández-Francos S, Eiro N, Costa LA, Escudero-Cernuda S, Fernández-Sánchez ML, Vizoso FJ. Mesenchymal Stem Cells as a Cornerstone in a Galaxy of Intercellular Signals: Basis for a New Era of Medicine. Int J Mol Sci 2021; 22:ijms22073576. [PMID: 33808241 PMCID: PMC8036553 DOI: 10.3390/ijms22073576] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/25/2021] [Accepted: 03/26/2021] [Indexed: 02/06/2023] Open
Abstract
Around 40% of the population will suffer at some point in their life a disease involving tissue loss or an inflammatory or autoimmune process that cannot be satisfactorily controlled with current therapies. An alternative for these processes is represented by stem cells and, especially, mesenchymal stem cells (MSC). Numerous preclinical studies have shown MSC to have therapeutic effects in different clinical conditions, probably due to their mesodermal origin. Thereby, MSC appear to play a central role in the control of a galaxy of intercellular signals of anti-inflammatory, regenerative, angiogenic, anti-fibrotic, anti-oxidative stress effects of anti-apoptotic, anti-tumor, or anti-microbial type. This concept forces us to return to the origin of natural physiological processes as a starting point to understand the evolution of MSC therapy in the field of regenerative medicine. These biological effects, demonstrated in countless preclinical studies, justify their first clinical applications, and draw a horizon of new therapeutic strategies. However, several limitations of MSC as cell therapy are recognized, such as safety issues, handling difficulties for therapeutic purposes, and high economic cost. For these reasons, there is an ongoing tendency to consider the use of MSC-derived secretome products as a therapeutic tool, since they reproduce the effects of their parent cells. However, it will be necessary to resolve key aspects, such as the choice of the ideal type of MSC according to their origin for each therapeutic indication and the implementation of new standardized production strategies. Therefore, stem cell science based on an intelligently designed production of MSC and or their derivative products will be able to advance towards an innovative and more personalized medical biotechnology.
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Affiliation(s)
| | - Noemi Eiro
- Research Unit, Fundación Hospital de Jove, 33290 Gijón, Spain; (S.F.-F.); (L.A.C.)
- Correspondence: (N.E.); (F.J.V.); Tel.: +34-985320050 (ext. 84216)
| | - Luis A. Costa
- Research Unit, Fundación Hospital de Jove, 33290 Gijón, Spain; (S.F.-F.); (L.A.C.)
| | - Sara Escudero-Cernuda
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain; (S.E.-C.); (M.L.F.-S.)
| | - María Luisa Fernández-Sánchez
- Department of Physical and Analytical Chemistry, Faculty of Chemistry, University of Oviedo, 33006 Oviedo, Spain; (S.E.-C.); (M.L.F.-S.)
| | - Francisco J. Vizoso
- Research Unit, Fundación Hospital de Jove, 33290 Gijón, Spain; (S.F.-F.); (L.A.C.)
- Correspondence: (N.E.); (F.J.V.); Tel.: +34-985320050 (ext. 84216)
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Sarkar A, Saha S, Paul A, Maji A, Roy P, Maity TK. Understanding stem cells and its pivotal role in regenerative medicine. Life Sci 2021; 273:119270. [PMID: 33640402 DOI: 10.1016/j.lfs.2021.119270] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/06/2021] [Accepted: 02/14/2021] [Indexed: 02/07/2023]
Abstract
Stem cells (SCs) are clonogenic cells that develop into the specialized cells which later responsible for making up various types of tissue in the human body. SCs are not only the appropriate source of information for cell division, molecular and cellular processes, and tissue homeostasis but also one of the major putative biological aids to diagnose and cure various degenerative diseases. This study emphasises on various research outputs that occurred in the past two decades. This will give brief information on classification, differentiation, detection, and various isolation techniques of SCs. Here, the various signalling pathways which includes WNT, Sonic hedgehog, Notch, BMI1 and C-met pathways and how does it effect on the regeneration of various classes of SCs and factors that regulates the potency of the SCs are also been discussed. We also focused on the application of SCs in the area of regenerative medicine along with the cellular markers that are useful as salient diagnostic or curative tools or in both, by the process of reprogramming, which includes diabetes, cancer, cardiovascular disorders and neurological disorders. The biomarkers that are mentioned in various literatures and experiments include PDX1, FOXA2, HNF6, and NKX6-1 (for diabetes); CD33, CD24, CD133 (for cancer); c-Kit, SCA-1, Wilm's tumor 1 (for cardiovascular disorders); and OCT4, SOX2, c-MYC, EN1, DAT and VMAT2 (for neurological disorders). In this review, we come to know the advancements and scopes of potential SC-based therapies, its diverse applications in clinical fields that can be helpful in the near future.
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Affiliation(s)
- Arnab Sarkar
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Sanjukta Saha
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Abhik Paul
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Avik Maji
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Puspita Roy
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India
| | - Tapan Kumar Maity
- Department of Pharmaceutical Technology, Jadavpur University, West Bengal, Kolkata 700032, India.
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Hu C, Li J, Du Y, Li J, Yang Y, Jia Y, Peng L, Qin Y, Wei Y. Impact of chronic intermittent hypoxia on the long non-coding RNA and mRNA expression profiles in myocardial infarction. J Cell Mol Med 2021; 25:421-433. [PMID: 33215878 PMCID: PMC7810970 DOI: 10.1111/jcmm.16097] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/28/2020] [Accepted: 10/18/2020] [Indexed: 12/13/2022] Open
Abstract
Chronic intermittent hypoxia (CIH) is the primary feature of obstructive sleep apnoea (OSA), a crucial risk factor for cardiovascular diseases. Long non-coding RNAs (lncRNAs) in myocardial infarction (MI) pathogenesis have drawn considerable attention. However, whether CIH participates in the modulation of lncRNA profiles during MI is yet unclear. To investigate the influence of CIH on MI, cardiac damage was assessed by histology and echocardiography, and lncRNA and mRNA integrated microarrays were screened. MI mouse model showed myocardial hypertrophy, aggravated inflammation and fibrosis, and compromised left ventricle function under CIH. Compared with normoxia, 644 lncRNAs and 1084 differentially expressed mRNAs were identified following CIH for 4 weeks, whereas 1482 lncRNAs and 990 mRNAs were altered at 8 weeks. Strikingly, reoxygenation after CIH markedly affected 1759 lncRNAs and 778 mRNAs. Of these, 11 lncRNAs modulated by CIH were restored after reoxygenation and were validated by qPCR. The GO terms and KEGG pathways of genes varied significantly by CIH. lncRNA-mRNA correlation further showed that lncRNAs, NONMMUT032513 and NONMMUT074571 were positively correlated with ZEB1 and negatively correlated with Cmbl. The current results demonstrated a causal correlation between CIH and lncRNA alternations during MI, suggesting that lncRNAs might be responsible for MI aggravation under CIH.
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Affiliation(s)
- Chaowei Hu
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Jing Li
- Heart Center & Beijing Key Laboratory of HypertensionBeijing Chaoyang HospitalCapital Medical UniversityBeijingChina
| | - Yunhui Du
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Juan Li
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
- Key Laboratory of Remodeling‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Yunyun Yang
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
- Key Laboratory of Remodeling‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Yifan Jia
- Department of CardiologyBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Lu Peng
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Yanwen Qin
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
- Key Laboratory of Remodeling‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
| | - Yongxiang Wei
- Key Laboratory of Upper Airway Dysfunction‐related Cardiovascular DiseasesBeijing Institute of Heart, Lung and Blood Vessel DiseasesBeijing Anzhen HospitalCapital Medical UniversityBeijingChina
- Otolaryngological Department of Beijing Anzhen HospitalCapital Medical UniversityBeijingChina
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45
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Sridhar KC, Hersch N, Dreissen G, Merkel R, Hoffmann B. Calcium mediated functional interplay between myocardial cells upon laser-induced single-cell injury: an in vitro study of cardiac cell death signaling mechanisms. Cell Commun Signal 2020; 18:191. [PMID: 33371897 PMCID: PMC7771078 DOI: 10.1186/s12964-020-00689-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 11/23/2020] [Indexed: 01/09/2023] Open
Abstract
Background The electromechanical function of myocardial tissue depends on the intercellular communication between cardiomyocytes (CMs) as well as their crosstalk with other cell types. Cell injury, and subsequent death trigger inflammation as in myocardial infarction (MI) resulting in myocardial remodeling. Although mechanisms underlying myocardial cell death have been studied so far, the signaling events following single cell death and spontaneous response of connected cells in the myocardial tissue is still barely understood. Methods Here, we investigated the effect of laser-induced single cell death on Calcium (Ca2+) concentrations and transport in myocardial cell clusters in vitro. Spatial and temporal changes in intracellular Ca2+ concentrations [Ca2+]i were studied using a fluorescent calcium indicator, Fluo-4AM. Spontaneous signaling events following cell death were studied in rat embryonic cardiomyocytes and non-myocytes using separate cell culture systems. Results Cell death triggered spontaneous increase in intracellular Ca2+ levels ([Ca2+]i) of surrounding cells. The spread of the observed propagating Ca2+ signal was slow and sustained in myocytes while it was rapid and transient in fibroblasts (Fbs). Further, sustained high Ca2+ levels temporarily impaired the contractility in CMs. The cell-type specific effect of ablation was confirmed using separate cultures of CMs and Fbs. Comparing Ca2+ propagation speed in myocytes and fibroblasts, we argue for a diffusion-driven Ca2+ propagation in myocytes, but not in fibroblasts. Radial and sequential Ca2+ diffusion across the CMs through cell–cell contacts and presence of Cx43-based intercellular junctions indicated a gap junction flow of Ca2+. Conclusions These findings illustrate the spontaneous Ca2+-mediated functional interplay in myocardial cell clusters upon mechanical injury and, further, the difference in Ca2+ signaling in cardiomyocytes and fibroblasts. Video Abstract
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Affiliation(s)
- Krishna Chander Sridhar
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Forschungszentrum Jülich, 52425, Jülich, Germany
| | - Nils Hersch
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Forschungszentrum Jülich, 52425, Jülich, Germany
| | - Georg Dreissen
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Forschungszentrum Jülich, 52425, Jülich, Germany
| | - Rudolf Merkel
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Forschungszentrum Jülich, 52425, Jülich, Germany
| | - Bernd Hoffmann
- Institute of Biological Information Processing, IBI-2: Mechanobiology, Forschungszentrum Jülich, 52425, Jülich, Germany.
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46
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Riching AS, Danis E, Zhao Y, Cao Y, Chi C, Bagchi RA, Klein BJ, Xu H, Kutateladze TG, McKinsey TA, Buttrick PM, Song K. Suppression of canonical TGF-β signaling enables GATA4 to interact with H3K27me3 demethylase JMJD3 to promote cardiomyogenesis. J Mol Cell Cardiol 2020; 153:44-59. [PMID: 33359755 DOI: 10.1016/j.yjmcc.2020.12.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 11/14/2020] [Accepted: 12/12/2020] [Indexed: 01/07/2023]
Abstract
Direct reprogramming of fibroblasts into cardiomyocytes (CMs) represents a promising strategy to regenerate CMs lost after ischemic heart injury. Overexpression of GATA4, HAND2, MEF2C, TBX5, miR-1, and miR-133 (GHMT2m) along with transforming growth factor beta (TGF-β) inhibition efficiently promote reprogramming. However, the mechanisms by which TGF-β blockade promotes cardiac reprogramming remain unknown. Here, we identify interactions between the histone H3 lysine 27 trimethylation (H3K27me3) demethylase JMJD3, the SWI/SNF remodeling complex subunit BRG1, and cardiac transcription factors. Furthermore, canonical TGF-β signaling regulates the interaction between GATA4 and JMJD3. TGF-β activation impairs the ability of GATA4 to bind target genes and prevents demethylation of H3K27 at cardiac gene promoters during cardiac reprogramming. Finally, a mutation in GATA4 (V267M) that is associated with congenital heart disease exhibits reduced binding to JMJD3 and impairs cardiomyogenesis. Thus, we have identified an epigenetic mechanism wherein canonical TGF-β pathway activation impairs cardiac gene programming, in part by interfering with GATA4-JMJD3 interactions.
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Affiliation(s)
- Andrew S Riching
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Etienne Danis
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Yuanbiao Zhao
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Yingqiong Cao
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Congwu Chi
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Rushita A Bagchi
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Brianna J Klein
- Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Hongyan Xu
- Department of Population Health Sciences, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
| | - Tatiana G Kutateladze
- Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Department of Pharmacology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Timothy A McKinsey
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Peter M Buttrick
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Kunhua Song
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA; Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.
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47
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Coyle RC, Barrs RW, Richards DJ, Ladd EP, Menick DR, Mei Y. Targeting HIF-α for robust prevascularization of human cardiac organoids. J Tissue Eng Regen Med 2020; 15:189-202. [PMID: 33868541 DOI: 10.1002/term.3165] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Prevascularized 3D microtissues have been shown to be an effective cell delivery vehicle for cardiac repair. To this end, our lab has explored the development of self-organizing, prevascularized human cardiac organoids by co-seeding human cardiomyocytes with cardiac fibroblasts, endothelial cells, and stromal cells into agarose microwells. We hypothesized that this prevascularization process is facilitated by the endogenous upregulation of hypoxia-inducible factor (HIF) pathway in the avascular 3D microtissues. In this study, we used Molidustat, a selective PHD (prolyl hydroxylase domain enzymes) inhibitor that stabilizes HIF-α, to treat human cardiac organoids, which resulted in 150 ± 61% improvement in endothelial expression (CD31) and 220 ± 20% improvement in the number of lumens per organoids. We hypothesized that the improved endothelial expression seen in Molidustat treated human cardiac organoids was dependent upon upregulation of VEGF, a well-known downstream target of HIF pathway. Through the use of immunofluorescent staining and ELISA assays, we determined that Molidustat treatment improved VEGF expression of non-endothelial cells and resulted in improved co-localization of supporting cell types and endothelial structures. We further demonstrated that Molidustat treated human cardiac organoids maintain cardiac functionality. Lastly, we showed that Molidustat treatment improves survival of cardiac organoids when exposed to both hypoxic and ischemic conditions in vitro. For the first time, we demonstrate that targeted HIF-α stabilization provides a robust strategy to improve endothelial expression and lumen formation in cardiac microtissues, which will provide a powerful framework for prevascularization of various microtissues in developing successful cell transplantation therapies.
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Affiliation(s)
- Robert C Coyle
- Bioengineering Department, Clemson University, Clemson, SC 29634, USA
| | - Ryan W Barrs
- Bioengineering Department, Clemson University, Clemson, SC 29634, USA
| | - Dylan J Richards
- Bioengineering Department, Clemson University, Clemson, SC 29634, USA
| | - Emma P Ladd
- Bioengineering Department, Clemson University, Clemson, SC 29634, USA
| | - Donald R Menick
- Ralph H. Johnson Veterans Affairs Medical Center, Medical University of South Carolina, Charleston, SC 29425, USA.,Division of Cardiology, Department of Medicine, Gazes Cardiac Research Institute, Medical University of South Carolina, Charleston SC 29425, USA
| | - Ying Mei
- Bioengineering Department, Clemson University, Clemson, SC 29634, USA.,Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
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48
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Kook YM, Hwang S, Kim H, Rhee KJ, Lee K, Koh WG. Cardiovascular tissue regeneration system based on multiscale scaffolds comprising double-layered hydrogels and fibers. Sci Rep 2020; 10:20321. [PMID: 33230134 PMCID: PMC7683622 DOI: 10.1038/s41598-020-77187-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 11/04/2020] [Indexed: 12/16/2022] Open
Abstract
We report a technique to reconstruct cardiovascular tissue using multiscale scaffolds incorporating polycaprolactone fibers with double-layered hydrogels comprising fibrin hydrogel surrounded by secondary alginate hydrogel. The scaffolds compartmentalized cells into the core region of cardiac tissue and the peripheral region of blood vessels to construct cardiovascular tissue, which was accomplished by a triple culture system of adipose-derived mesenchymal stem cells (ADSCs) with C2C12 myoblasts on polycaprolactone (PCL) fibers along with human umbilical vein endothelial cells (HUVECs) in fibrin hydrogel. The secondary alginate hydrogel prevented encapsulated cells from migrating outside scaffold and maintained the scaffold structure without distortion after subcutaneous implantation. According to in vitro studies, resultant scaffolds promoted new blood vessel formation as well as cardiomyogenic phenotype expression of ADSCs. Cardiac muscle-specific genes were expressed from stem cells and peripheral blood vessels from HUVECs were also successfully developed in subcutaneously implanted cell-laden multiscale scaffolds. Furthermore, the encapsulated stem cells modulated the immune response of scaffolds by secreting anti-inflammatory cytokines for successful tissue construction. Our study reveals that multiscale scaffolds can be promising for the remodeling and transplantation of cardiovascular tissue.
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Affiliation(s)
- Yun-Min Kook
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea
| | - Soonjae Hwang
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do, 220-710, Republic of Korea.,Natural Product Informatics Research Center, Korea Institute of Science and Technology, Gangneung, Gangwon-do, 25451, Republic of Korea
| | - Hyerim Kim
- Program in Nanoscience and Technology, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea
| | - Ki-Jong Rhee
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do, 220-710, Republic of Korea
| | - Kangwon Lee
- Program in Nanoscience and Technology, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Republic of Korea. .,Advanced Institutes of Convergence Technology, Suwon, Gyeonggi-do, Republic of Korea.
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 120-749, Republic of Korea.
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49
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Schwach V, Gomes Fernandes M, Maas S, Gerhardt S, Tsonaka R, van der Weerd L, Passier R, Mummery CL, Birket MJ, Salvatori DCF. Expandable human cardiovascular progenitors from stem cells for regenerating mouse heart after myocardial infarction. Cardiovasc Res 2020; 116:545-553. [PMID: 31287499 PMCID: PMC7252440 DOI: 10.1093/cvr/cvz181] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 05/12/2019] [Accepted: 07/08/2019] [Indexed: 01/05/2023] Open
Abstract
AIMS Cardiovascular diseases caused by loss of functional cardiomyocytes (CMs) are a major cause of mortality and morbidity worldwide due in part to the low regenerative capacity of the adult human heart. Human pluripotent stem cell (hPSC)-derived cardiovascular progenitor cells (CPCs) are a potential cell source for cardiac repair. The aim of this study was to examine the impact of extensive remuscularization and coincident revascularization on cardiac remodelling and function in a mouse model of myocardial infarction (MI) by transplanting doxycycline (DOX)-inducible (Tet-On-MYC) hPSC-derived CPCs in vivo and inducing proliferation and cardiovascular differentiation in a drug-regulated manner. METHODS AND RESULTS CPCs were injected firstly at a non-cardiac site in Matrigel suspension under the skin of immunocompromised mice to assess their commitment to the cardiovascular lineage and ability to self-renew or differentiate in vivo when instructed by systemically delivered factors including DOX and basic fibroblast growth factor (bFGF). CPCs in Matrigel were then injected intra-myocardially in mice subjected to MI to assess whether expandable CPCs could mediate cardiac repair. Transplanted CPCs expanded robustly both subcutis and in the myocardium using the same DOX/growth factor inducing regime. Upon withdrawal of these cell-renewal factors, CPCs differentiated with high efficiency at both sites into the major cardiac lineages including CMs, endothelial cells, and smooth muscle cells. After MI, engraftment of CPCs in the heart significantly reduced fibrosis in the infarcted area and prevented left ventricular remodelling, although cardiac function determined by magnetic resonance imaging was unaltered. CONCLUSION Replacement of large areas of muscle may be required to regenerate the heart of patients following MI. Our human/mouse model demonstrated that proliferating hPSC-CPCs could reduce infarct size and fibrosis resulting in formation of large grafts. Importantly, the results suggested that expanding transplanted cells in situ at the progenitor stage maybe be an effective alternative causing less tissue damage than injection of very large numbers of CMs.
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Affiliation(s)
- Verena Schwach
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg, Leiden, The Netherlands.,Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Maria Gomes Fernandes
- Pathology Unit, Central Laboratory Animal Facility, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands
| | - Saskia Maas
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg, Leiden, The Netherlands.,Pathology Unit, Central Laboratory Animal Facility, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands
| | - Sophie Gerhardt
- Pathology Unit, Central Laboratory Animal Facility, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands
| | - Roula Tsonaka
- Department of Medical Statistics and Bioinformatics, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands
| | - Louise van der Weerd
- Department of Human Genetics and Radiology, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands
| | - Robert Passier
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg, Leiden, The Netherlands.,Department of Applied Stem Cell Technologies, TechMed Centre, University of Twente, Enschede, The Netherlands
| | - Christine L Mummery
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg, Leiden, The Netherlands
| | - Matthew J Birket
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg, Leiden, The Netherlands
| | - Daniela C F Salvatori
- Pathology Unit, Central Laboratory Animal Facility, Einthovenweg, Leiden University Medical Center, Leiden, The Netherlands.,Anatomy and Physiology Division, Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan, Utrecht, The Netherlands
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50
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Thomas T, Rubfiaro AS, Nautiyal P, Brooks R, Dickerson D, He J, Agarwal A. Extrusion 3D Printing of Porous Silicone Architectures for Engineering Human Cardiomyocyte-Infused Patches Mimicking Adult Heart Stiffness. ACS APPLIED BIO MATERIALS 2020; 3:5865-5871. [PMID: 35021814 DOI: 10.1021/acsabm.0c00572] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cardiac patches, three-dimensional (3D) constructs of polymer scaffold and heart muscle cells, have received widespread attention for regenerative therapy to repair damaged heart tissue. The implanted patches should mimic the micromechanical environment of native myocardium for effective integration and optimum mechanical function. In this study, we engineered compliant silicone scaffolds infused with cardiomyocytes (CMs) differentiated from human-induced pluripotent stem cells. Porous scaffolds are fabricated by extrusion 3D printing of room-temperature-vulcanized (RTV) silicone rubber. The stiffness and strength of scaffolds are tailored by designing a polymer strand arrangement during 3D printing. Single-strand scaffold design is found to display a tensile Young's modulus of ∼280 kPa, which is optimum for supporting CMs without impairing their contractility. Uniform distribution of cells in the scaffold is observed, ascribed to 3D migration facilitated by interconnected porous architecture. The patches demonstrated synchronized contraction 10 days after seeding scaffolds with CMs. Indentation measurements reveal that the contracting cell-scaffold patches display local moduli varying from ∼270 to 530 kPa, which covers the upper spectrum of the stiffness range displayed by the human heart. This study demonstrates the effectiveness of a porous 3D scaffold composed of flexible silicone rubber for CMs percolation, supporting a contractile activity, and mimicking native heart stiffness.
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Affiliation(s)
- Tony Thomas
- Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Alberto S Rubfiaro
- Department of Physics, Biomolecular Science Institute, Florida International University, Miami, Florida 33199, United States
| | - Pranjal Nautiyal
- Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Roy Brooks
- Department of Mechanical Engineering, Universidad Ana G. Mendez, Recinto de Gurabo 00777, Puerto Rico
| | - Darryl Dickerson
- Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Jin He
- Department of Physics, Biomolecular Science Institute, Florida International University, Miami, Florida 33199, United States
| | - Arvind Agarwal
- Department of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
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