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Maturation strategies and limitations of induced pluripotent stem cell-derived cardiomyocytes. Biosci Rep 2021; 41:226678. [PMID: 33057659 PMCID: PMC8209171 DOI: 10.1042/bsr20200833] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 10/06/2020] [Accepted: 10/12/2020] [Indexed: 12/14/2022] Open
Abstract
Induced pluripotent stem cells (iPSCs) have the ability to differentiate into cardiomyocytes (CMs). They are not only widely used in cardiac pharmacology screening, human heart disease modeling, and cell transplantation-based treatments, but also the most promising source of CMs for experimental and clinical applications. However, their use is largely restricted by the immature phenotype of structure and function, which is similar to embryonic or fetal CMs and has certain differences from adult CMs. In order to overcome this critical issue, many studies have explored and revealed new strategies to induce the maturity of iPSC-CMs. Therefore, this article aims to review recent induction methods of mature iPSC-CMs, related mechanisms, and limitations.
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Prokaryotic and Mitochondrial Lipids: A Survey of Evolutionary Origins. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019. [PMID: 31502197 DOI: 10.1007/978-3-030-21162-2_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Mitochondria and bacteria share a myriad of properties since it is believed that the powerhouses of the eukaryotic cell have evolved from a prokaryotic origin. Ribosomal RNA sequences, DNA architecture and metabolism are strikingly similar in these two entities. Proteins and nucleic acids have been a hallmark for comparison between mitochondria and prokaryotes. In this chapter, similarities (and differences) between mitochondrial and prokaryotic membranes are addressed with a focus on structure-function relationship of different lipid classes. In order to be suitable for the theme of the book, a special emphasis is reserved to the effects of bioactive sphingolipids, mainly ceramide, on mitochondrial membranes and their roles in initiating programmed cell death.
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Wang G, Bieberich E. Sphingolipids in neurodegeneration (with focus on ceramide and S1P). Adv Biol Regul 2018; 70:51-64. [PMID: 30287225 PMCID: PMC6251739 DOI: 10.1016/j.jbior.2018.09.013] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 09/20/2018] [Accepted: 09/21/2018] [Indexed: 04/14/2023]
Abstract
For many decades, research on sphingolipids associated with neurodegenerative disease focused on alterations in glycosphingolipids, particularly glycosylceramides (cerebrosides), sulfatides, and gangliosides. This seemed quite natural since many of these glycolipids are constituents of myelin and accumulated in lipid storage diseases (sphingolipidoses) resulting from enzyme deficiencies in glycolipid metabolism. With the advent of recognizing ceramide and its derivative, sphingosine-1-phosphate (S1P), as key players in lipid cell signaling and regulation of cell death and survival, research focus shifted toward these two sphingolipids. Ceramide and S1P are invoked in a plethora of cell biological processes participating in neurodegeneration such as ER stress, autophagy, dysregulation of protein and lipid transport, exosome secretion and neurotoxic protein spreading, neuroinflammation, and mitochondrial dysfunction. Hence, it is timely to discuss various functions of ceramide and S1P in neurodegenerative disease and to define sphingolipid metabolism and cell signaling pathways as potential targets for therapy.
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Affiliation(s)
- Guanghu Wang
- Department of Physiology, University of Kentucky, Lexington, KY, USA
| | - Erhard Bieberich
- Department of Physiology, University of Kentucky, Lexington, KY, USA.
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Yu J, Kim HM, Kim KP, Son Y, Kim MS, Park KS. Ceramide kinase regulates the migration of bone marrow-derived mesenchymal stem cells. Biochem Biophys Res Commun 2018; 508:361-367. [PMID: 30502084 DOI: 10.1016/j.bbrc.2018.11.154] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 11/22/2018] [Indexed: 11/18/2022]
Abstract
Endogenous bone marrow-derived mesenchymal stem cells (BM-MSCs) are mobilized into peripheral blood and injured tissues by various growth factors and cytokines that are expressed in the injured tissues, such as substance P (SP), stromal cell derived factor-1 (SDF-1), and transforming growth factor-beta (TGF-β). Extracellular bioactive lipid metabolites such as ceramide-1-phosphate and sphingosine-1-phosphate also modulate BM-MSC migration as SP, SDF-1, and TGF-β. However, the roles of intrinsic lipid kinases of BM-MSCs in the stem cell migration are unclear. Here, we demonstrated that ceramide kinase mediates the chemotactic migration of BM-MSCs in response to SP, SDF-1, or TGF-β. Furthermore, a specific inhibitor of ceramide kinase inhibited TGF-β-induced migration of BM-MSCs and N-cadherin that is necessary for BM-MSCs migration in response to TGF-β. Therefore, these results suggest that the intracellular ceramide kinase is required for the BM-MSCs migration and the roles of the intrinsic ceramide kinase in the migration are associated with N-cadherin regulation.
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Affiliation(s)
- Jinyeong Yu
- Graduate School of Biotechnology, Kyung Hee University, Yongin, 17104, South Korea
| | - Hye Min Kim
- Department of Applied Chemistry, Kyung Hee University, Yongin, 17104, South Korea
| | - Kwang Pyo Kim
- Department of Applied Chemistry, Kyung Hee University, Yongin, 17104, South Korea
| | - Youngsook Son
- Graduate School of Biotechnology, Kyung Hee University, Yongin, 17104, South Korea
| | - Min-Sik Kim
- Department of Applied Chemistry, Kyung Hee University, Yongin, 17104, South Korea; Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea; Department of New Biology, DGIST, Daegu, 42988, South Korea.
| | - Ki-Sook Park
- Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, 02447, South Korea; East-West Medical Research Institute, Kyung Hee University, Seoul, 02447, South Korea; Kyung Hee University Medical Center, Seoul, 02447, South Korea.
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5
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Su G, Liu L, Yang L, Mu Y, Guan L. Homing of endogenous bone marrow mesenchymal stem cells to rat infarcted myocardium via ultrasound-mediated recombinant SDF-1α adenovirus in microbubbles. Oncotarget 2017; 9:477-487. [PMID: 29416629 PMCID: PMC5787482 DOI: 10.18632/oncotarget.23068] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 11/14/2017] [Indexed: 02/07/2023] Open
Abstract
Stem cells can promote myocardial regeneration and accelerate the formation of new blood vessels. As such, transplanted stem cells represent a promising treatment modality for acute myocardial infarction (AMI). Stem cells spontaneously home to the infarcted myocardium using chemotaxis, in which the stromal cell-derived factor (SDF-1α) has been shown to be one of the most important chemokines. However, spontaneously secreted SDF-1α is short-lived, and therefore does not meet the needs of tissue repair. In this study, adenoviruses carrying SDF-1α genes were loaded on microbubble carriers and the adenoviruses were released into AMI rats by ultrasound targeted microbubble destruction. The possibility of in vivo self-transplantation of bone marrow mesenchymal stem cells (BMSCs) induced by overexpression of SDF-1α in the infarcted myocardium was explored by detecting the number of BMSCs homing from the peripheral blood to the myocardial infarcts. The concentration of SDF-1α in peripheral blood was significantly higher after transfection, and the number of BMSCs was significantly higher in the peripheral blood and infarcted area. Further analyses indicated that the number of homing BMSCs increased with increased SDF-1α expression. In conclusion, our results suggest that ultrasound mediated transduction of exogenous SDF-1α genes into myocardial infarcted AMI rats can effectively promote the homing of endogenous BMSCs into the heart. Moreover, the number of homing stem cells was controlled by the level of SDF-1α expression.
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Affiliation(s)
- Gaofeng Su
- Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Liyun Liu
- Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.,Xinjiang Key Laboratory of Medical animal Model Research, Clinical Medical Research Institute of First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Lingjie Yang
- Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Yuming Mu
- Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.,Xinjiang Key Laboratory of Medical animal Model Research, Clinical Medical Research Institute of First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
| | - Lina Guan
- Department of Echocardiography, First Affiliated Hospital of Xinjiang Medical University, Urumqi, China.,Xinjiang Key Laboratory of Medical animal Model Research, Clinical Medical Research Institute of First Affiliated Hospital of Xinjiang Medical University, Urumqi, China
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Goichberg P. Current Understanding of the Pathways Involved in Adult Stem and Progenitor Cell Migration for Tissue Homeostasis and Repair. Stem Cell Rev Rep 2017; 12:421-37. [PMID: 27209167 DOI: 10.1007/s12015-016-9663-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
With the advancements in the field of adult stem and progenitor cells grows the recognition that the motility of primitive cells is a pivotal aspect of their functionality. There is accumulating evidence that the recruitment of tissue-resident and circulating cells is critical for organ homeostasis and effective injury responses, whereas the pathobiology of degenerative diseases, neoplasm and aging, might be rooted in the altered ability of immature cells to migrate. Furthermore, understanding the biological machinery determining the translocation patterns of tissue progenitors is of great relevance for the emerging methodologies for cell-based therapies and regenerative medicine. The present article provides an overview of studies addressing the physiological significance and diverse modes of stem and progenitor cell trafficking in adult mammalian organs, discusses the major microenvironmental cues regulating cell migration, and describes the implementation of live imaging approaches for the exploration of stem cell movement in tissues and the factors dictating the motility of endogenous and transplanted cells with regenerative potential.
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Affiliation(s)
- Polina Goichberg
- Department Anesthesiology, Perioperative and Pain Medicine, Harvard Medical School, Brigham and Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA.
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Bandyopadhyay GK, Mahata SK. Chromogranin A Regulation of Obesity and Peripheral Insulin Sensitivity. Front Endocrinol (Lausanne) 2017; 8:20. [PMID: 28228748 PMCID: PMC5296320 DOI: 10.3389/fendo.2017.00020] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 01/23/2017] [Indexed: 01/15/2023] Open
Abstract
Chromogranin A (CgA) is a prohormone and granulogenic factor in endocrine and neuroendocrine tissues, as well as in neurons, and has a regulated secretory pathway. The intracellular functions of CgA include the initiation and regulation of dense-core granule biogenesis and sequestration of hormones in neuroendocrine cells. This protein is co-stored and co-released with secreted hormones. The extracellular functions of CgA include the generation of bioactive peptides, such as pancreastatin (PST), vasostatin, WE14, catestatin (CST), and serpinin. CgA knockout mice (Chga-KO) display: (i) hypertension with increased plasma catecholamines, (ii) obesity, (iii) improved hepatic insulin sensitivity, and (iv) muscle insulin resistance. These findings suggest that individual CgA-derived peptides may regulate different physiological functions. Indeed, additional studies have revealed that the pro-inflammatory PST influences insulin sensitivity and glucose tolerance, whereas CST alleviates adiposity and hypertension. This review will focus on the different metabolic roles of PST and CST peptides in insulin-sensitive and insulin-resistant models, and their potential use as therapeutic targets.
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Affiliation(s)
| | - Sushil K. Mahata
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
- Department of Medicine, Metabolic Physiology and Ultrastructural Biology Laboratory, VA San Diego Healthcare System, San Diego, CA, USA
- *Correspondence: Sushil K. Mahata,
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Pharmacological Therapy in the Heart as an Alternative to Cellular Therapy: A Place for the Brain Natriuretic Peptide? Stem Cells Int 2016; 2016:5961342. [PMID: 26880973 PMCID: PMC4735943 DOI: 10.1155/2016/5961342] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 09/08/2015] [Accepted: 10/08/2015] [Indexed: 02/08/2023] Open
Abstract
The discovery that stem cells isolated from different organs have the ability to differentiate into mature beating cardiomyocytes has fostered considerable interest in developing cellular regenerative therapies to treat cardiac diseases associated with the loss of viable myocardium. Clinical studies evaluating the potential of stem cells (from heart, blood, bone marrow, skeletal muscle, and fat) to regenerate the myocardium and improve its functional status indicated that although the method appeared generally safe, its overall efficacy has remained modest. Several issues raised by these studies were notably related to the nature and number of injected cells, as well as the route and timing of their administration, to cite only a few. Besides the direct administration of cardiac precursor cells, a distinct approach to cardiac regeneration could be based upon the stimulation of the heart's natural ability to regenerate, using pharmacological approaches. Indeed, differentiation and/or proliferation of cardiac precursor cells is controlled by various endogenous mediators, such as growth factors and cytokines, which could thus be used as pharmacological agents to promote regeneration. To illustrate such approach, we present recent results showing that the exogenous administration of the natriuretic peptide BNP triggers “endogenous” cardiac regeneration, following experimental myocardial infarction.
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Klyachkin YM, Nagareddy PR, Ye S, Wysoczynski M, Asfour A, Gao E, Sunkara M, Brandon JA, Annabathula R, Ponnapureddy R, Solanki M, Pervaiz ZH, Smyth SS, Ratajczak MZ, Morris AJ, Abdel-Latif A. Pharmacological Elevation of Circulating Bioactive Phosphosphingolipids Enhances Myocardial Recovery After Acute Infarction. Stem Cells Transl Med 2015; 4:1333-43. [PMID: 26371341 DOI: 10.5966/sctm.2014-0273] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 07/08/2015] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED Acute myocardial infarction (AMI) triggers mobilization of bone marrow (BM)-derived stem/progenitor cells (BMSPCs) through poorly understood processes. Recently, we postulated a major role for bioactive lipids such as sphingosine-1 phosphate (S1P) in mobilization of BMSPCs into the peripheral blood (PB). We hypothesized that elevating S1P levels after AMI could augment BMSPC mobilization and enhance cardiac recovery after AMI. After AMI, elevating bioactive lipid levels was achieved by treating mice with the S1P lyase inhibitor tetrahydroxybutylimidazole (THI) for 3 days (starting at day 4 after AMI) to differentiate between stem cell mobilization and the known effects of S1P on myocardial ischemic pre- and postconditioning. Cardiac function was assessed using echocardiography, and myocardial scar size evolution was examined using cardiac magnetic resonance imaging. PB S1P and BMSPCs peaked at 5 days after AMI and returned to baseline levels within 10 days (p < .05 for 5 days vs. baseline). Elevated S1P paralleled a significant increase in circulating BMSPCs (p < .05 vs. controls). We observed a greater than twofold increase in plasma S1P and circulating BMSPCs after THI treatment. Mechanistically, enhanced BMSPC mobilization was associated with significant increases in angiogenesis, BM cell homing, cardiomyocytes, and c-Kit cell proliferation in THI-treated mice. Mice treated with THI demonstrated better recovery of cardiac functional parameters and a reduction in scar size. Pharmacological elevation of plasma bioactive lipids after AMI could contribute to BMSPC mobilization and could represent an attractive strategy for enhancing myocardial recovery and improving BMSC targeting. SIGNIFICANCE Acute myocardial infarction (AMI) initiates innate immune and reparatory mechanisms through which bone marrow-derived stem/progenitor cells (BMSPCs) are mobilized toward the ischemic myocardium and contribute to myocardial regeneration. Although it is clear that the magnitude of BMSPC mobilization after AMI correlates with cardiac recovery, the molecular events driving BMSPC mobilization and homing are poorly understood. The present study confirms the role of bioactive lipids in BMSPC mobilization after AMI and proposes a new strategy that improves cardiac recovery. Inhibiting sphingosine-1 phosphate (S1P) lyase (SPL) allows for the augmentation of the plasma levels of S1P and stem cell mobilization. These findings demonstrate that early transient SPL inhibition after MI correlates with increased stem cell mobilization and their homing to the infarct border zones. Augmenting BMSPC mobilization correlated with the formation of new blood vessels and cardiomyocytes and c-Kit cell proliferation. These novel findings on the cellular level were associated with functional cardiac recovery, reduced adverse remodeling, and a decrease in scar size. Taken together, these data indicate that pharmacological elevation of bioactive lipid levels can be beneficial in the early phase after cardiac ischemic injury. These findings provide the first evidence that a carefully timed transient pharmacological upregulation of bioactive lipids after AMI could be therapeutic, because it results in significant cardiac structural and functional improvements.
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Affiliation(s)
- Yuri M Klyachkin
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Prabakara R Nagareddy
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Shaojing Ye
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Marcin Wysoczynski
- Institute of Molecular Cardiology, University of Louisville, Louisville, Kentucky, USA
| | - Ahmed Asfour
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Erhe Gao
- Center for Translational Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania, USA
| | - Manjula Sunkara
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Ja A Brandon
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Rahul Annabathula
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Rakesh Ponnapureddy
- Institute of Molecular Cardiology, University of Louisville, Louisville, Kentucky, USA
| | - Matesh Solanki
- Institute of Molecular Cardiology, University of Louisville, Louisville, Kentucky, USA
| | - Zahida H Pervaiz
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Susan S Smyth
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Mariusz Z Ratajczak
- Stem Cell Biology Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, Kentucky, USA
| | - Andrew J Morris
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
| | - Ahmed Abdel-Latif
- Gill Heart Institute and Division of Cardiovascular Medicine, University of Kentucky, Lexington, Kentucky, USA, and Veterans Affairs Medical Center, Lexington, Kentucky, USA
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