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Cardiac stem cell

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https://www.readbyqxmd.com/read/29456889/a-bibliometric-analysis-in-gene-research-of-myocardial-infarction-from-2001-to-2015
#1
Huaqiang Zhou, Wulin Tan, Zeting Qiu, Yiyan Song, Shaowei Gao
Objectives: We aimed to evaluate the global scientific output of gene research of myocardial infarction and explore their hotspots and frontiers from 2001 to 2015, using bibliometric methods. Methods: Articles about the gene research of myocardial infarction between 2001 and 2015 were retrieved from the Web of Science Core Collection (WoSCC). We used the bibliometric method and Citespace V to analyze publication years, journals, countries, institutions, research areas, authors, research hotspots, and trends...
2018: PeerJ
https://www.readbyqxmd.com/read/29456183/modeling-human-cardiac-hypertrophy-in-stem-cell-derived-cardiomyocytes
#2
Ekaterina Ovchinnikova, Martijn Hoes, Kirill Ustyantsev, Nils Bomer, Tristan V de Jong, Henny van der Mei, Eugene Berezikov, Peter van der Meer
Cardiac hypertrophy accompanies many forms of cardiovascular diseases. The mechanisms behind the development and regulation of cardiac hypertrophy in the human setting are poorly understood, which can be partially attributed to the lack of a human cardiomyocyte-based preclinical test system recapitulating features of diseased myocardium. The objective of our study is to determine whether human embryonic stem cell-derived cardiomyocytes (hESC-CMs) subjected to mechanical stretch can be used as an adequate in vitro model for studying molecular mechanisms of cardiac hypertrophy...
February 8, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29456182/mitochondrial-dysfunctions-contribute-to-hypertrophic-cardiomyopathy-in-patient-ipsc-derived-cardiomyocytes-with-mt-rnr2-mutation
#3
Shishi Li, Huaye Pan, Chao Tan, Yaping Sun, Yanrui Song, Xuan Zhang, Wei Yang, Xuexiang Wang, Dan Li, Yu Dai, Qiang Ma, Chenming Xu, Xufen Zhu, Lijun Kang, Yong Fu, Xuejun Xu, Jing Shu, Naiming Zhou, Feng Han, Dajiang Qin, Wendong Huang, Zhong Liu, Qingfeng Yan
Hypertrophic cardiomyopathy (HCM) is the most common cause of sudden cardiac death in young individuals. A potential role of mtDNA mutations in HCM is known. However, the underlying molecular mechanisms linking mtDNA mutations to HCM remain poorly understood due to lack of cell and animal models. Here, we generated induced pluripotent stem cell-derived cardiomyocytes (HCM-iPSC-CMs) from human patients in a maternally inherited HCM family who carry the m.2336T>C mutation in the mitochondrial 16S rRNA gene (MT-RNR2)...
February 13, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29455006/analysis-of-cardiac-stem-cell-self-renewal-dynamics-in-serum-free-medium-by-single-cell-lineage-tracking
#4
J A Cornwell, R E Nordon, R P Harvey
Cardiac colony forming unit-fibroblasts (cCFU-F) are a population of stromal cells residing within the SCA1+ /PDGFRα+ /CD31- fraction of adult mouse hearts, and which have functional characteristics akin to bone marrow mesenchymal stem cells. We hypothesise that they participate in cardiac homeostasis and repair through their actions as lineage progenitors and paracrine signaling hubs. However, cCFU-F are rare and there are no specific markers for these cells, making them challenging to study. cCFU can self-renew in vitro, although the common use of serum has made it difficult to identify cytokines that maintain lineage identity and self-renewal ability...
February 8, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29452156/establishment-of-a-prkag2-cardiac-syndrome-disease-model-and-mechanism-study-using-human-induced-pluripotent-stem-cells
#5
Yongkun Zhan, Xiaolei Sun, Bin Li, Huanhuan Cai, Chen Xu, Qianqian Liang, Chao Lu, Ruizhe Qian, Sifeng Chen, Lianhua Yin, Wei Sheng, Guoying Huang, Aijun Sun, Junbo Ge, Ning Sun
PRKAG2 cardiac syndrome is a distinct form of human cardiomyopathy characterized by cardiac hypertrophy, ventricular pre-excitation and progressive cardiac conduction disorder. However, it remains unclear how mutations in the PRKAG2 gene give rise to such a complicated disease. To investigate the underlying molecular mechanisms, we generated disease-specific hiPSC-derived cardiomyocytes from two brothers both carrying a heterozygous missense mutation c.905G>A (R302Q) in the PRKAG2 gene and further corrected the R302Q mutation with CRISPR-Cas9 mediated genome editing...
February 13, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29450799/iron-oxide-labeling-does-not-affect-differentiation-potential-of-human-bone-marrow-mesenchymal-stem-cells-exhibited-by-their-differentiation-into-cardiac-and-neuronal-cells
#6
Sujata Mohanty, Krishan Gopal Jain, Sushmita Bose Nandy, Anupama Kakkar, Manoj Kumar, Amit Kumar Dinda, Harpal Singh, Alok Ray
Mesenchymal stem cells (MSCs) have shown promising outcomes in cardiac and neuronal diseases. Efficient and noninvasive tracking of MSCs is essential to harness their therapeutic potential. Iron oxide nanoparticles (IONPs) have emerged as effective means to label stem cells and visualize them using magnetic resonance imaging (MRI). It is known that IONPs do not affect viability and cell proliferation of stem cells. However, very few studies have demonstrated differentiation potential of iron oxide-labeled MSCs and their differentiation into specific lineages that can contribute to cellular therapies...
February 15, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29449707/modulation-of-cardiac-stem-cell-characteristics-by-metoprolol-in-hypertensive-heart-disease
#7
Sherin Saheera, Ajay Godwin Potnuri, Renuka R Nair
Cardiac stem cells (CSCs) play a vital role in cardiac remodeling. Uncontrolled hypertension leads to cardiac hypertrophy, followed by cardiac failure. Pathological remodeling is associated with enhanced oxidative stress. Decreased cardiac stem cell efficiency is speculated in heart diseases. Maintaining a healthy stem cell population is essential for preventing progressive cardiac remodeling. Some anti-hypertensive drugs are cardioprotective. However, the effect of these drugs on CSCs has not been investigated...
February 15, 2018: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/29449318/exosomal-microrna-21-5p-mediates-mesenchymal-stem-cell-paracrine-effects-on-human-cardiac-tissue-contractility
#8
Joshua Mayourian, Delaine K Ceholski, Przemyslaw Gorski, Prabhu Mathiyalagan, Jack F Murphy, Sophia I Salazar, Francesca Stillitano, Joshua M Hare, Susmita Sahoo, Roger J Hajjar, Kevin D Costa
<u>Rationale:</u> The promising clinical benefits of delivering human mesenchymal stem cells (hMSCs) for treating heart disease warrant a better understanding of underlying mechanisms of action. hMSC exosomes increase myocardial contractility; however, the exosomal cargo responsible for these effects remains unresolved. <u>Objective:</u> This study aims to identify lead cardioactive hMSC exosomal microRNAs to provide a mechanistic basis for optimizing future stem cell-based cardiotherapies...
February 15, 2018: Circulation Research
https://www.readbyqxmd.com/read/29447002/recent-treatment-modalities-for-cardiovascular-diseases-with-a-focus-on-stem-cells-aptamers-exosomes-and-nanomedicine
#9
Rahul Mittal, Vasanti M Jhaveri, Hannah S McMurry, Sae-In Samantha Kay, Kyle J Sutherland, Lin Nicole, Jeenu Mittal, Rahul Dev Jayant
Cardiovascular diseases (CVDs) are the leading cause of morbidity and mortality worldwide. Due to the significant impact of CVD on humans, there is a need to develop novel treatment modalities tailored to major classes of cardiac diseases including hypertension, coronary artery disease, cardiomyopathies, arrhythmias, valvular disease and inflammatory diseases. In this article, we discuss recent advancements regarding development of therapeutic strategies based on stem cells, aptamers, exosomes, drug-eluting and dissolvable stents, immunotherapy and nanomedicine for the treatment of CVD...
February 15, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29445146/dural-effects-of-oxidative-stress-on-cardiomyogenesis-via-gata4-transcription-and-protein-ubiquitination
#10
Tao Li, Xia Zhang, Kesheng Jiang, Jing Liu, Zhiqiang Liu
Oxidative stress generates reactive oxygen species (ROS) that can promote or inhibit cardiac differentiation of stem cells dependent on the intensity of stimuli as well as cellular context in redox and differentiation status. In the current study, we confirmed that suitable intensity of hydrogen peroxide at the formation stage of embryoid bodies (EBs) effectively favored the formation of spontaneously beating cardiomyocytes from P19 embryonal carcinoma cells. Mechanistic studies implicated that extrinsic ROS enhanced the Caspase-mediated degradation of Oct4 and Nanog, two factors that governing pluripotent property...
February 14, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29444190/bone-marrow-mesenchymal-stem-cell-derived-exosomal-mir-21-protects-c-kit-cardiac-stem-cells-from-oxidative-injury-through-the-pten-pi3k-akt-axis
#11
Bei Shi, Yan Wang, Ranzhun Zhao, Xianping Long, Wenwen Deng, Zhenglong Wang
Stem cell (SC) therapy for ischemic cardiomyopathy is hampered by poor survival of the implanted cells. Recently, SC-derived exosomes have been shown to facilitate cell proliferation and survival by transporting various proteins and non-coding RNAs (such as microRNAs and lncRNAs). In this study, miR-21 was highly enriched in exosomes derived from bone marrow mesenchymal stem cells (MSCs). Interestingly, exosomes collected from hydrogen peroxide (H2O2)-treated MSCs (H-Exo) contained higher levels of miR-21 than exosomes released from MSCs under normal conditions (N-Exo)...
2018: PloS One
https://www.readbyqxmd.com/read/29443073/percutaneous-contrast-echocardiography-guided-intramyocardial-injection-and-cell-delivery-in-a-large-preclinical-model
#12
Alejandro Giraldo, Jesús Talavera López, Maria Josefa Fernandez-Del-Palacio, Obdulio García-Nicolás, Juan Seva, Gavin Brooks, José María Moraleda
Cell and gene therapy are exciting and promising strategies for the purpose of cardiac regeneration in the setting of heart failure with reduced ejection fraction (HFrEF). Before they can be considered for use, and implemented in humans, extensive preclinical studies are required in large animal models to evaluate the safety, efficacy, and fate of the injectate (e.g., stem cells) once delivered into the myocardium. Small rodent models offer advantages (e.g., cost effectiveness, amenability for genetic manipulation); however, given inherent limitations of these models, the findings in these rarely translate into the clinic...
January 21, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29442322/zebrafish-zic-genes-mediate-developmental-signaling
#13
Cecilia Lanny Winata, Vladimir Korzh
The introduction of genomics into the field of developmental biology led to a vast expansion of knowledge about developmental genes and signaling mechanisms they are involved in. Unlike mammals, the zebrafish features seven Zic genes. This provides an interesting insight into Zic gene evolution. In addition, an unprecedented bioimaging capability of semitransparent zebrafish embryos turns to be a crucial factor in medium- to large-scale analysis of the activity of potential regulatory elements. The Zic family of zinc finger proteins plays an important, relatively well-established, role in the regulation of stem cells and neural development and, in particular, during neural fate commitment and determination...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29435928/mining-exosomal-micrornas-from-human-induced-pluripotent-stem-cells-derived-cardiomyocytes-for-cardiac-regeneration
#14
Sang-Ging Ong, Won Hee Lee, Yang Zhou, Joseph C Wu
Myocardial infarction is the leading cause of morbidity and mortality worldwide. Recent advances in cardiac regenerative therapy have allowed for novel modalities in replenishing the damaged myocardium. However, poor long-term engraftment and survival of transplanted cells have largely precluded effective cell replacement. As an alternative to direct cell replacement, the release of paracrine protective factors may be a more plausible effector for cardioprotection which may partially be mediated through secretion of microvesicles, or exosomes, that contribute to cell-cell communication...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29429571/ndufb8-mutations-cause-mitochondrial-complex-i-deficiency-in-individuals-with-leigh-like-encephalomyopathy
#15
Dorota Piekutowska-Abramczuk, Zahra Assouline, Lavinija Mataković, René G Feichtinger, Eliška Koňařiková, Elżbieta Jurkiewicz, Piotr Stawiński, Mirjana Gusic, Andreas Koller, Agnieszka Pollak, Piotr Gasperowicz, Joanna Trubicka, Elżbieta Ciara, Katarzyna Iwanicka-Pronicka, Dariusz Rokicki, Sylvain Hanein, Saskia B Wortmann, Wolfgang Sperl, Agnès Rötig, Holger Prokisch, Ewa Pronicka, Rafał Płoski, Giulia Barcia, Johannes A Mayr
Respiratory chain complex I deficiency is the most frequently identified biochemical defect in childhood mitochondrial diseases. Clinical symptoms range from fatal infantile lactic acidosis to Leigh syndrome and other encephalomyopathies or cardiomyopathies. To date, disease-causing variants in genes coding for 27 complex I subunits, including 7 mitochondrial DNA genes, and in 11 genes encoding complex I assembly factors have been reported. Here, we describe rare biallelic variants in NDUFB8 encoding a complex I accessory subunit revealed by whole-exome sequencing in two individuals from two families...
February 1, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29427756/crispr-cas9-ablation-of-individual-mirnas-from-a-mirna-family-reveals-their-individual-efficacies-for-regulating-cardiac-differentiation
#16
Ziyao Zhang, Rebecca Ursin, Samiksha Mahapatra, G Ian Gallicano
Although it is well understood that genetic mutations, chromosomal abnormalities, and epigenetic miscues can cause congenital birth defects, many defects are still labeled idiopathic, meaning their origin is not yet understood. microRNAs are quickly entering the causal fray of developmental defects. miRNAs use a 7-8 base-pair seed sequence to target a corresponding sequence on one or multiple mRNAs resulting in rapid down-regulation of translation. miRNAs can also control protein 'amounts' in cells. As a result if miRNAs are over or under expressed during development protein homeostasis can be compromised resulting in defects in the development of organ systems...
February 7, 2018: Mechanisms of Development
https://www.readbyqxmd.com/read/29423089/rs2459976-in-zw10-gene-associated-with-congenital-heart-diseases-in-chinese-han-population
#17
Chao-Yu Sun, Chi Sun, Rui Cheng, Shuai Shi, Ying Han, Xue-Qi Li, Ji-Xin Zhi, Fei-Feng Li, Shu-Lin Liu
Congenital heart diseases (CHD) are a large group of prevalent and complex anatomic malformations of the heart, with the genetic basis remaining largely unknown. Since genes or factors associated with the differentiation of human embryonic stem (HES) cells would affect the development of all embryonic tissues, including cardiac progenitor cells, we postulated their potential roles in CHD. In this study, we focused on ZW10, a kinetochore protein involved in the process of proper chromosome segregation, and conducted comparative studies between CHD patients and normal controls matched in gender and age in Chinese Han populations...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29420830/acellular-therapeutic-approach-for-heart-failure-in%C3%A2-vitro-production-of-extracellular-vesicles-from-human-cardiovascular-progenitors
#18
Nadia El Harane, Anaïs Kervadec, Valérie Bellamy, Laetitia Pidial, Hany J Neametalla, Marie-Cécile Perier, Bruna Lima Correa, Léa Thiébault, Nicolas Cagnard, Angéline Duché, Camille Brunaud, Mathilde Lemitre, Jeanne Gauthier, Alexandra T Bourdillon, Marc P Renault, Yeranuhi Hovhannisyan, Solenne Paiva, Alexandre R Colas, Onnik Agbulut, Albert Hagège, Jean-Sébastien Silvestre, Philippe Menasché, Nisa K E Renault
Aims: We have shown that extracellular vesicles (EVs) secreted by embryonic stem cell-derived cardiovascular progenitor cells (Pg) recapitulate the therapeutic effects of their parent cells in a mouse model of chronic heart failure (CHF). Our objectives are to investigate whether EV released by more readily available cell sources are therapeutic, whether their effectiveness is influenced by the differentiation state of the secreting cell, and through which mechanisms they act. Methods and results: The total EV secreted by human induced pluripotent stem cell-derived cardiovascular progenitors (iPSC-Pg) and human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CM) were isolated by ultracentrifugation and characterized by Nanoparticle Tracking Analysis, western blot, and cryo-electron microscopy...
February 6, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29420637/isolation-and-characterization-of-mesenchymal-stem-cells-from-human-fetus-heart
#19
Venkata Naga Srikanth Garikipati, Saurabh Pratap Singh, Yamuna Mohanram, Ashwani Kumar Gupta, Deepa Kapoor, Soniya Nityanand
BACKGROUND: Mesenchymal stem cells (MSCs) are promising cells for cardiovascular regenerative medicine. However, their potential may be limited, because of their restricted cardiovascular differentiation potential and decline in their number and functional characteristics with increasing donor age. We have previously shown that rat fetus heart harbors primitive MSCs and administration of these cells improved left ventricular (LV) function after ischemia/reperfusion injury in rats. To evaluate their potential as a new cell type for clinical cardiovascular cell therapy, we have undertaken this study on the isolation and characterization of human fetal cardiac MSCs (hfC-MSCs)...
2018: PloS One
https://www.readbyqxmd.com/read/29416668/molecular-mechanisms-of-cardioprotective-effects-mediated-by-transplanted-cardiac-ckit-cells-through-the-activation-of-an-inflammatory-hypoxia-dependent-reparative-response
#20
Giovanni Puddighinu, Domenico D'Amario, Eleonora Foglio, Melissa Manchi, Andrea Siracusano, Elena Pontemezzo, Martina Cordella, Francesco Facchiano, Laura Pellegrini, Antonella Mangoni, Marco Tafani, Filippo Crea, Antonia Germani, Matteo Antonio Russo, Federica Limana
The regenerative effects of cardiac ckit+ stem cells (ckit+CSCs) in acute myocardial infarction (MI) have been studied extensively, but how these cells exert a protective effect on cardiomyocytes is not well known. Growing evidences suggest that in adult stem cells injury triggers inflammatory signaling pathways which control tissue repair and regeneration. Aim of the present study was to determine the mechanisms underlying the cardioprotective effects of ckit+CSCs following transplantation in a murine model of MI...
January 2, 2018: Oncotarget
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