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Mesenchymal stem cell AND heart

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https://www.readbyqxmd.com/read/28807014/epigenetic-reprogramming-converts-human-wharton-s-jelly-mesenchymal-stem-cells-into-functional-cardiomyocytes-by-differential-regulation-of-wnt-mediators
#1
G Bhuvanalakshmi, Frank Arfuso, Alan Prem Kumar, Arun Dharmarajan, Sudha Warrier
BACKGROUND: Lineage commitment of mesenchymal stem cells (MSCs) to cardiac differentiation is controlled by transcription factors that are regulated by epigenetic events, mainly histone deacetylation and promoter DNA methylation. Here, we studied the differentiation of human Wharton's jelly MSCs (WJMSCs) into the cardiomyocyte lineage via epigenetic manipulations. METHODS: We introduced these changes using inhibitors of DNA methyl transferase and histone deacetylase, DC301, DC302, and DC303, in various combinations...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28791052/inhibition-of-histone-methyltransferase-histone-deacetylase-and-%C3%AE-catenin-synergistically-enhance-the-cardiac-potential-of-bone-marrow-cells
#2
Jinpu Yang, Keerat Kaur, John G Edwards, Carol A Eisenberg, Leonard M Eisenberg
Previously, we reported that treatment with the G9a histone methyltransferase inhibitor BIX01294 causes bone marrow mesenchymal stem cells (MSCs) to exhibit a cardiocompetent phenotype, as indicated by the induction of the precardiac markers Mesp1 and brachyury. Here, we report that combining the histone deacetylase inhibitor trichostatin A (TSA) with BIX01294 synergistically enhances MSC cardiogenesis. Although TSA by itself had no effect on cardiac gene expression, coaddition of TSA to MSC cultures enhanced BIX01294-induced levels of Mesp1 and brachyury expression 5...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28782686/stem-cells-in-cardiovascular-diseases-turning-bad-days-into-good-ones
#3
REVIEW
Maira Souza de Oliveira, Felipe Saldanha-Araujo, Alfredo Miranda de Goes, Fabricio F Costa, Juliana Lott de Carvalho
During the past decade, several types of stem cells have been investigated as promising therapeutic agents for cardiovascular diseases (CVDs). Among them, mesenchymal stem cells (MSCs) were the most investigated stem cell population. Hundreds of clinical trials later, results remain disappointing and far from the revolutionary improvements expected for heart function. In the present review, we address strategies under investigation to boost MSC therapy for CVDs. Pluripotent stem cells (PSCs) are also intended to reach clinical applications for CVDs, but here we suggest that, in the short term, the major impact of PSCs in the cardiovascular field might be at the bench and not the bedside...
August 4, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28777943/mesenchymal-stem-cells-in-fibrotic-disease
#4
REVIEW
Elie El Agha, Rafael Kramann, Rebekka K Schneider, Xiaokun Li, Werner Seeger, Benjamin D Humphreys, Saverio Bellusci
Fibrosis is associated with organ failure and high mortality and is commonly characterized by aberrant myofibroblast accumulation. Investigating the cellular origin of myofibroblasts in various diseases is thus a promising strategy for developing targeted anti-fibrotic treatments. Recent studies using genetic lineage tracing technology have implicated diverse organ-resident perivascular mesenchymal stem cell (MSC)-like cells and bone marrow-MSCs in myofibroblast generation during fibrosis development. In this Review, we give an overview of the emerging role of MSCs and MSC-like cells in myofibroblast-mediated fibrotic disease in the kidney, lung, heart, liver, skin, and bone marrow...
August 3, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28774379/fibrogenic-potential-of-pw1-peg3-expressing-cardiac-stem-cells
#5
Elisa Yaniz-Galende, Maguelonne Roux, Sophie Nadaud, Nathalie Mougenot, Marion Bouvet, Olivier Claude, Guillaume Lebreton, Catherine Blanc, Florence Pinet, Fabrice Atassi, Claire Perret, France Dierick, Sébastien Dussaud, Pascal Leprince, David-Alexandre Trégouët, Giovanna Marazzi, David Sassoon, Jean-Sébastien Hulot
BACKGROUND: Pw1 gene expression is a marker of adult stem cells in a wide range of tissues. PW1-expressing cells are detected in the heart but are not well characterized. OBJECTIVES: The authors characterized cardiac PW1-expressing cells and their cell fate potentials in normal hearts and during cardiac remodeling following myocardial infarction (MI). METHODS: A human cardiac sample was obtained from a patient presenting with reduced left ventricular (LV) function following a recent MI...
August 8, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28768234/human-mesenchymal-stem-cells-ameliorate-experimental-pulmonary-hypertension-induced-by-maternal-inflammation-and-neonatal-hyperoxia-in-rats
#6
Chung-Ming Chen, Willie Lin, Liang-Ti Huang, Hsiu-Chu Chou
Pulmonary hypertension is a critical problem in infants with bronchopulmonary dysplasia. This study determined the therapeutic effects of human mesenchymal stem cells (MSCs) on pulmonary hypertension in an animal model. Pregnant Sprague-Dawley rats were intraperitoneally injected with lipopolysaccharide (LPS, 0.5 mg/kg/day) on gestational days 20 and 21. The pups were randomly assigned to two treatment conditions: room air (RA) or an O2-enriched atmosphere. On postnatal day 5, they were intratracheally transplanted with human MSCs (3 × 105 and 1 × 106 cells) in 0...
July 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28751220/the-epicardium-as-a-source-of-multipotent-adult-cardiac-progenitor-cells-their-origin-role-and-fate
#7
REVIEW
Anke M Smits, Esther Dronkers, Marie-José Goumans
Since the regenerative capacity of the adult mammalian heart is limited, cardiac injury leads to the formation of scar tissue and thereby increases the risk of developing compensatory heart failure. Stem cell therapy is a promising therapeutic approach but is facing problems with engraftment and clinical feasibility. Targeting an endogenous stem cell population could circumvent these limitations. The epicardium, a membranous layer covering the outside of the myocardium, is an accessible cell population which plays a key role in the developing heart...
July 24, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28743269/mesenchymal-stem-cells-from-sternum-the-type-of-heart-disease-ischemic-or-valvular-does-not-influence-the-cell-culture-establishment-and-growth-kinetics
#8
Lucinara Dadda Dias, Karina Rabello Casali, Carine Ghem, Melissa Kristocheck da Silva, Grasiele Sausen, Patrícia Bonini Palma, Dimas Tadeu Covas, Renato A K Kalil, Beatriz D Schaan, Nance Beyer Nardi, Melissa Medeiros Markoski
BACKGROUND: In an attempt to increase the therapeutic potential for myocardial regeneration, there is a quest for new cell sources and types for cell therapy protocols. The pathophysiology of heart diseases may affect cellular characteristics and therapeutic results. METHODS: To study the proliferative and differentiation potential of mesenchymal stem cells (MSC), isolated from bone marrow (BM) of sternum, we made a comparative analysis between samples of patients with ischemic (IHD) or non-ischemic valvular (VHD) heart diseases...
July 25, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28734835/migration-ability-and-toll-like-receptor-expression-of-human-mesenchymal-stem-cells-improves-significantly-after-three-dimensional-culture
#9
Panpan Zhou, Zilin Liu, Xue Li, Bing Zhang, Xiaoyuan Wang, Jing Lan, Qing Shi, Dong Li, Xiuli Ju
While the conventional two-dimensional (2D) culture protocol is well accepted for the culture of mesenchymal stem cells (MSCs), this method fails to recapitulate the in vivo native three-dimensional (3D) cellular microenvironment, and may result in phenotypic changes, and homing and migration capacity impairments. MSC preparation in 3D culture systems has been considered an attractive preparatory and delivery method recently. We seeded human umbilical cord-derived MSCs (hUCMSCs) in a 3D culture system with porcine acellular dermal matrix (PADM), and investigated the phenotypic changes, the expression changes of some important receptors, including Toll-like receptors (TLRs) and C-X-C chemokine receptor type 4 (CXCR4) when hUCMSCs were transferred from 2D to 3D systems, as well as the alterations in in vivo homing and migration potential...
July 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28714548/role-of-the-protease-corin-in-chondrogenic-differentiation-of-human-bone-marrow-derived-mesenchymal-stem-cells
#10
Haibin Zhou, Jinsong Zhu, Meng Liu, Qingyu Wu, Ningzheng Dong
Mesenchymal stem cells (MSCs) have the potency to differentiate into chondrocytes, osteocytes and adipocytes. Corin is a cardiac protease that activates the natriuretic peptides, thereby regulating blood volume and pressure. In addition to the heart, corin gene up-regulation was reported in bone marrow- and adipose tissue-derived MSCs that underwent osteogenic differentiation. To date, the biological significance of corin expression in MSC differentiation remains unknown. In this study, we isolated and cultured human bone marrow-derived MSCs that were capable of undergoing chondrogenic, osteogenic and adipogenic lineage differentiation...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28709866/mesenchymal-stem-cell-transplantation-carried-in-svvyglr-modified-self-assembling-peptide-promoted-cardiac-repair-and-angiogenesis-after-myocardial-infarction
#11
Xi-Ren Gao, Hai-Jun Xu, Li-Fang Wang, Chong-Bin Liu, Feng Yu
The efficiency of stem cell therapy for myocardial infarction (MI) was very low due to the hostile microenvironment and poor blood perfusion. In this study, we designed a new self-assembling peptide through adding angiogenic polypeptide SVVYGLR to the carboxyl terminal of RADA16, and evaluated the therapeutic potential of mesenchymal stem cell (MSC) transplantation carried in this designer self-assembling peptide (DSP) on MI. After the model of cell ischemia and hypoxia was established in vitro, cytoprotective effect of DSP on MSC was detected by AO/EB staining...
July 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28684664/mesenchymal-stem-stromal-cell-derived-extracellular-vesicles-and-their-potential-as-novel-immunomodulatory-therapeutic-agents
#12
REVIEW
Verena Börger, Michel Bremer, Rita Ferrer-Tur, Lena Gockeln, Oumaima Stambouli, Amina Becic, Bernd Giebel
Extracellular vesicles (EVs), such as exosomes and microvesicles, have been identified as mediators of a newly-discovered intercellular communication system. They are essential signaling mediators in various physiological and pathophysiological processes. Depending on their origin, they fulfill different functions. EVs of mesenchymal stem/stromal cells (MSCs) have been found to promote comparable therapeutic activities as MSCs themselves. In a variety of in vivo models, it has been observed that they suppress pro-inflammatory processes and reduce oxidative stress and fibrosis...
July 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28681086/effect-of-low-level-laser-treated-mesenchymal-stem-cells-on-myocardial-infarction
#13
Zaynab H El Gammal, Amr M Zaher, Nagwa El-Badri
Cardiovascular disease is the leading cause of death worldwide. Although cardiac transplantation is considered the most effective therapy for end-stage cardiac diseases, it is limited by the availability of matching donors and the complications of the immune suppressive regimen used to prevent graft rejection. Application of stem cell therapy in experimental animal models was shown to reverse cardiac remodeling, attenuate cardiac fibrosis, improve heart functions, and stimulate angiogenesis. The efficacy of stem cell therapy can be amplified by low-level laser radiation...
July 6, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28642329/experimental-and-computational-insight-into-human-mesenchymal-stem-cell-paracrine-signaling-and-heterocellular-coupling-effects-on-cardiac-contractility-and-arrhythmogenicity
#14
Joshua Mayourian, Timothy J Cashman, Delaine K Ceholski, Bryce V Johnson, David Sachs, Deepak A Kaji, Susmita Sahoo, Joshua M Hare, Roger J Hajjar, Eric A Sobie, Kevin D Costa
Rationale: Myocardial delivery of human mesenchymal stem cells (hMSCs) is an emerging therapy for treating the failing heart. However, the relative effects of hMSC-mediated heterocellular coupling (HC) and paracrine signaling (PS) on human cardiac contractility and arrhythmogenicity remain unresolved. Objective: To better understand hMSC PS and HC effects on human cardiac contractility and arrhythmogenicity by integrating experimental and computational approaches. Methods and Results: Extending our previous hMSC-cardiomyocyte HC computational model, we incorporated experimentally calibrated hMSC PS effects on cardiomyocyte L-type calcium channel/SERCA activity and cardiac tissue fibrosis...
June 22, 2017: Circulation Research
https://www.readbyqxmd.com/read/28627637/lentiviral-vector-mediated-co-overexpression-of-vegf-and-bcl-2-improves-mesenchymal-stem-cell-survival-and-enhances-paracrine-effects-in%C3%A2-vitro
#15
Xiaobin Ni, Caiwen Ou, Jingbin Guo, Bei Liu, Jianwu Zhang, Zhiye Wu, Hekai Li, Minsheng Chen
Mesenchymal stem cell (MSC) transplantation has emerged as a promising therapy for ischemic heart disease; however, the low survival rate of transplanted cells limits their therapeutic efficacy. The aim of this study was to investigate whether the dual genetic modification of vascular endothelial growth factor (VEGF) and B‑cell lymphoma‑2 (Bcl‑2) confers a higher expression level of the target genes, better survival and a stronger paracrine effect in MSCs in an adverse environment than the modification of the individual genes...
June 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28624390/nkx2-5-enhances-the-efficacy-of-mesenchymal-stem-cells-transplantation-in-treatment-heart-failure-in-rats
#16
Bo Deng, Jin Xin Wang, Xing Xing Hu, Peng Duan, Lin Wang, Yang Li, Qing Lei Zhu
AIMS: The aim of this study is to determine whether Nkx2.5 transfection of transplanted bone marrow mesenchymal stem cells (MSCs) improves the efficacy of treatment of adriamycin-induced heart failure in a rat model. MAIN METHODS: Nkx2.5 was transfected in MSCs by lentiviral vector transduction. The expressions of Nkx2.5 and cardiac specific genes in MSCs and Nkx2.5 transfected mesenchymal stem cells (MSCs-Nkx2.5) were analyzed with quantitative real-time PCR and Western blot in vitro...
August 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28616151/therapeutic-potential-of-dental-stem-cells
#17
REVIEW
Elna Paul Chalisserry, Seung Yun Nam, Sang Hyug Park, Sukumaran Anil
Stem cell biology has become an important field in regenerative medicine and tissue engineering therapy since the discovery and characterization of mesenchymal stem cells. Stem cell populations have also been isolated from human dental tissues, including dental pulp stem cells, stem cells from human exfoliated deciduous teeth, stem cells from apical papilla, dental follicle progenitor cells, and periodontal ligament stem cells. Dental stem cells are relatively easily obtainable and exhibit high plasticity and multipotential capabilities...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28605260/cellular-therapies-for-treatment-of-radiation-injury-report-from-a-nih-niaid-and-irsn-workshop
#18
Andrea L DiCarlo, Radia Tamarat, Carmen I Rios, Marc Benderitter, Christine W Czarniecki, Theresa C Allio, Francesca Macchiarini, Bert W Maidment, Jean-Rene Jourdain
In recent years, there has been increasing concern over the possibility of a radiological or nuclear incident occurring somewhere in the world. Intelligence agencies frequently report that terrorist groups and rogue nations are seeking to obtain radiological or nuclear weapons of mass destruction. In addition, there exists the real possibility that safety of nuclear power reactors could be compromised by natural (such as the tsunami and subsequent Fukushima accident in Japan in March, 2011) or accidental (Three Mile Island, 1979 and Chernobyl, 1986) events...
August 2017: Radiation Research
https://www.readbyqxmd.com/read/28587355/morphological-and-functional-changes-in-bone-marrow-mesenchymal-stem-cells-in-rats-with-heart-failure
#19
Xiuli Wang, Chunmei Li, Haibin Gong
The changes in bone marrow-derived mesenchymal stem cells (BMSCs), in terms of cell morphology and protein expression in rats with heart failure, were studied. Pressure overload chronic heart failure rat model was induced with partial constriction of the abdominal aorta. BMSCs from the model and the sham operation groups were isolated and cultured (cell density, 10(8) cells/l), and supernatant was collected after 72 h. Enzyme-linked immunosorbent assay was used to measure HGF, IGF-1, PDGF, SCF, FGF and VEGF levels in the supernatant...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28578204/pericytes-and-cardiac-stem-cells-common-features-and-peculiarities
#20
REVIEW
Antonio Paolo Beltrami, Paolo Madeddu
Clinical data and basic research indicate that the structural and functional alterations that characterize the evolution of cardiac disease towards heart failure may be, at least in part, reversed. This paradigm shift is due to the accumulation of evidence indicating that, in peculiar settings, cardiomyocytes may be replenished. Moving from the consideration that cardiomyocytes are rapidly withdrawn from the cell cycle after birth, independent laboratories have tested the hypothesis that cardiac resident stem/progenitor cells resided in mammalian hearts and were important for myocardial repair...
May 31, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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