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PubMed Journals Articles About "Stem Cell Factor Tied Reduced Risk Cardiac Events" RSS

02:09 EST 18th December 2017 | BioPortfolio

Stem Cell Factor Tied Reduced Risk Cardiac Events PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Stem Cell Factor Tied Reduced Risk Cardiac Events articles that have been published worldwide.

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Showing "Stem cell factor tied reduced risk cardiac events" PubMed Articles 1–25 of 58,000+

Plasma stem cell factor levels are associated with risk of cardiovascular disease and death.

Stem cell factor (SCF) is a key growth factor for several types of stem and progenitor cells. There is experimental evidence that such cells are of importance for maintaining the integrity of the cardiovascular system. We investigated the association between circulating levels of SCF and risk for development of cardiovascular events and death.


PP2A regulates SCF-induced cardiac stem cell migration through interaction with p38 MAPK.

Previous studies have shown that stem cell factor (SCF) induces the migration of cardiac stem cells (CSCs) and helps to repair myocardial infarctions. Earlier studies on the migration mechanism only focused on the activation of kinases; here, we aimed to explore the functional role of protein phosphatase 2A (PP2A) in SCF-induced CSC migration.

Platelet-derived growth factor receptor-alpha positive cardiac progenitor cells derived from multipotent germline stem cells are capable of cardiomyogenesis in vitro and in vivo.

Cardiac cell therapy has the potential to revolutionize treatment of heart diseases, but its success hinders on the development of a stem cell therapy capable of efficiently producing functionally differentiated cardiomyocytes. A key to unlocking the therapeutic application of stem cells lies in understanding the molecular mechanisms that govern the differentiation process. Here we report that a population of platelet-derived growth factor receptor alpha (PDGFRA) cells derived from mouse multipotent germlin...


Upstairs, Downstairs: Atrial and Ventricular Cardiac Myocytes from Human Pluripotent Stem Cells.

Cardiomyocyte creation by human pluripotent stem cells (hPSCs) has generated opportunities for heart repair, disease modeling, and drug development. In this issue of Cell Stem Cell,Lee et al. (2017) report prospective markers of atrial versus ventricular myocyte formation from hPSCs and their use in directed differentiation of cardiac sub-lineages.

Comparison of Non-Coding RNAs in Exosomes and Functional Efficacy of Human Embryonic Stem Cell- Versus Induced Pluripotent Stem Cell-Derived Cardiomyocytes.

Both human embryonic stem cell-derived cardiomyocytes (ESC-CMs) and human induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) can serve as unlimited cell sources for cardiac regenerative therapy. However, the functional equivalency between human ESC-CMs and iPSC-CMs for cardiac regenerative therapy has not been demonstrated. Here we performed a head-to-head comparison of ESC-CMs and iPSC-CMs in their ability to restore cardiac function in a rat myocardial infarction (MI) model as well as their e...

Accelerated decline in cardiac stem cell efficiency in Spontaneously hypertensive rat compared to normotensive Wistar rat.

Cardiac hypertrophy is recognized as an independent risk factor for cardiac failure. Efficient management of hypertensive heart disease requires identification of factors that can possibly mediate the transition from hypertrophy to failure. Resident cardiac stem cells have a prominent role in the maintenance of cardiac tissue homeostasis. Decline in the proportion of healthy cardiac stem cells (CSCs) can affect tissue regeneration. In pathological conditions, apart from natural aging, an adverse microenviro...

Risk of cardiac events in Long QT syndrome patients when taking antiseizure medications.

Many antiseizure medications (ASMs) affect ion channel function. We investigated whether ASMs alter the risk of cardiac events in patients with corrected QT (QTc) prolongation. The study included people from the Rochester-based Long QT syndrome (LQTS) Registry with baseline QTc prolongation and history of ASM therapy (n = 296). Using multivariate Anderson-Gill models, we assessed the risk of recurrent cardiac events associated with ASM therapy. We stratified by LQTS genotype and predominant mechanism of A...

Chemotherapy-Induced Depletion of OCT4-Positive Cancer Stem Cells in a Mouse Model of Malignant Testicular Cancer.

Testicular germ cell tumors (TGCTs) are among the most responsive solid cancers to conventional chemotherapy. To elucidate the underlying mechanisms, we developed a mouse TGCT model featuring germ cell-specific Kras activation and Pten inactivation. The resulting mice developed malignant, metastatic TGCTs composed of teratoma and embryonal carcinoma, the latter of which exhibited stem cell characteristics, including expression of the pluripotency factor OCT4. Consistent with epidemiological data linking hu...

A systematic review and meta-analysis on herpes zoster and the risk of cardiac and cerebrovascular events.

Patients who develop herpes zoster or herpes zoster ophthalmicus may be at risk for cerebrovascular and cardiac complications. We systematically reviewed the published literature to determine the association between herpes zoster and its subtypes with the occurrence of cerebrovascular and cardiac events.

Design of the DREPAGREFFE trial: A prospective controlled multicenter study evaluating the benefit of genoidentical hematopoietic stem cell transplantation over chronic transfusion in sickle cell anemia children detected to be at risk of stroke by transcranial Doppler (NCT 01340404).

Children with sickle cell anemia (SCA) have an 11% risk of stroke by the age of 18. Chronic transfusion applied in patients detected to be at risk by transcranial Doppler allows a significant reduction of stroke risk. However, chronic transfusion exposes to several adverse events, including alloimmunization and iron overload, and is not curative. Hematopoietic stem cell transplantation allows termination of the transfusion program, but its benefit has not been demonstrated.

Βeta-eudesmol reduces stem cell factor-induced mast cell migration.

Previously, we showed the inhibitory effects of β-eudesmol on mast cell-mediated allergic inflammatory responses. Stem cell factor (SCF) participates in allergic reactions through the differentiation and migration of mast cells. However, the effects of β-eudesmol on SCF-mediated allergic reactions are poorly understood. Herein, we showed that a treatment of rat peritoneal mast cells (RPMCs) with β-eudesmol markedly suppressed SCF-induced mast cell migration and morphological alterations in a concentratio...

The Prognostic Implications of Two-Dimensional Speckle Tracking Echocardiography in Hypertrophic Cardiomyopathy: Current and Future Perspectives.

Two-dimensional (2D) speckle tracking echocardiography represents a novel, simple and reproducible technique for the estimation of left ventricular myocardial deformation (strain) and the evaluation of left ventricular twist mechanics. During the last few years, its clinical and prognostic implications in cardiomyopathies and hypertrophic cardiomyopathy (HCM) in particular have been rapidly increasing. Reduced global longitudinal strain is associated with more severe disease and confers an increased risk fo...

Open Sesame: Open Chromatin Regions Shed Light onto Non-coding Risk Variants.

Human genetics and stem cell biology have advanced neurobiology for neurodevelopmental psychiatric disorders. In this issue of Cell Stem Cell, Forrest et al. (2017) demonstrate that studying the landscape of open chromatin regions in stem cell-derived neurons helps functional interpretation of non-coding genetic variants associated with these diseases.

Lineage Tracing: Papers and Progress.

This i3 is a data visualization based on the Cell Stem Cell tenth anniversary theme of lineage tracing. Using Scopus citations of Cell Stem Cell research papers, it illustrates both the evolution of the stem cell field and the way new research builds on work that came before. Users can navigate the graphic and the represented papers by stem cell type, organism, and author online at cell.com/i3/cell-stem-cell/lineage. To view this SnapShot, open or download the PDF.

Comparative expression analysis of Shox2-deficient embryonic stem cell-derived sinoatrial node-like cells.

The homeodomain transcription factor Shox2 controls the development and function of the native cardiac pacemaker, the sinoatrial node (SAN). Moreover, SHOX2 mutations have been associated with cardiac arrhythmias in humans. For detailed examination of Shox2-dependent developmental mechanisms in SAN cells, we established a murine embryonic stem cell (ESC)-based model using Shox2 as a molecular tool. Shox2(+/+) and Shox2(-/-) ESC clones were isolated and differentiated according to five different protocols in...

Study of stem cell homing & self-renewal marker gene profile of ex vivo expanded human CD34(+) cells manipulated with a mixture of cytokines & stromal cell-derived factor 1.

Next generation transplantation medicine aims to develop stimulating cocktail for increased ex vivo expansion of primitive hematopoietic stem and progenitor cells (HSPC). The present study was done to evaluate the cocktail GF (Thrombopoietin + Stem Cell factor + Flt3-ligand) and homing-defining molecule Stromal cell-derived factor 1 (SDF1) for HSPC ex vivo expansion.

Stem Cells: All that Is Solid Melts into Air.

The intestinal epithelium displays great resilience, as several cell populations can replenish the stem cell pool upon damage. Two studies in Cell Stem Cell extend this capacity to enteroendocrine cells, addressing the molecular basis underlying cellular plasticity observed in the intestine and the identities of putative reserve stem cells.

Preoperative asymptomatic leukocytosis and postoperative outcome in cardiac surgery patients.

Despite showing a prognostic value in general surgical patients, preoperative asymptomatic elevated white blood cell (WBC) count is not considered a risk factor for cardiac surgery. Whereas there is sporadic evidence of its value as a preoperative risk marker, it has not been looked at methodically as a specific index of outcome during cardiac surgery. Using a national database we sought to determine the relationship between preoperative WBC count and postoperative outcome in cardiac surgical patients.

Effect of anesthesia methods on postoperative major adverse cardiac events and mortality after non-cardiac surgeries: a systematic review and meta-analysis.

Postoperative major adverse cardiac events (MACEs) are the main cause of postoperative mortality, and controversies exist regarding the effects of anesthesia methods on postoperative MACEs and mortality in high-risk cardiac patients after non-cardiac surgeries.

Adult cardiac stem cells are multipotent and robustly myogenic: c-kit expression is necessary but not sufficient for their identification.

Multipotent adult resident cardiac stem cells (CSCs) were first identified by the expression of c-kit, the stem cell factor receptor. However, in the adult myocardium c-kit alone cannot distinguish CSCs from other c-kit-expressing (c-kit(pos)) cells. The adult heart indeed contains a heterogeneous mixture of c-kit(pos) cells, mainly composed of mast and endothelial/progenitor cells. This heterogeneity of cardiac c-kit(pos) cells has generated confusion and controversy about the existence and role of CSCs in...

Comprehensive Mapping of Pluripotent Stem Cell Metabolism Using Dynamic Genome-Scale Network Modeling.

Metabolism is an emerging stem cell hallmark tied to cell fate, pluripotency, and self-renewal, yet systems-level understanding of stem cell metabolism has been limited by the lack of genome-scale network models. Here, we develop a systems approach to integrate time-course metabolomics data with a computational model of metabolism to analyze the metabolic state of naive and primed murine pluripotent stem cells. Using this approach, we find that one-carbon metabolism involving phosphoglycerate dehydrogenase...

Cardiac aging and heart disease in humans.

The world population continues to grow older rapidly, mostly because of declining fertility and increasing longevity. Since age represents the largest risk factor for cardiovascular disease, the prevalence of these pathologies increases dramatically with increasing age. In order to improve patient care and prevention for age-related cardiac diseases, insight should be gained from the analysis of processes involved in and leading to cardiac aging. It is from this perspective that we provide here an overview ...

Cardiac Mesenchymal Stem Cells Proliferate Early in the Ischemic Heart.

Cardiac mesenchymal stem cells (MSCs) could stimulate cell-specific regenerative mechanisms after myocardial infarction (MI) depending on spatial origin, distribution, and niche regulation. We aimed at identifying and isolating tissue-specific cardiac MSCs that could contribute to regeneration.

Concise Review: A Safety Assessment of Adipose-Derived Cell Therapy in Clinical Trials: A Systematic Review of Reported Adverse Events.

The popularity of adipose-derived cell therapy has increased over the last decade, and the number of studies published annually is growing. However, concerns regarding safety in the setting of previous malignancy or the use of allogeneic cells have been raised. We therefore aimed to systematically review all clinical studies using adipose-derived cell therapy to identify reported adverse events with a special focus on risk of thromboembolic, immunological and oncological safety concerns. Our systematic sear...

OCT4 expression mediates partial cardiomyocyte reprogramming of mesenchymal stromal cells.

Mesenchymal stem/stromal cells (MSCs) are in numerous cell therapy clinical trials, including for injured myocardium. Acquisition of cardiomyocyte characteristics by MSCs may improve cardiac regeneration but the mechanisms regulating this process are unclear. Here, we investigated whether the pluripotency transcription factor OCT4 is involved in the activation of cardiac lineage genetic programs in MSCs. We employed our established co-culture model of MSCs with rat embryonic cardiomyocytes showing co-expres...


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