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

00:18 EDT 17th July 2018 | BioPortfolio

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Showing "Stem cell factor tied reduced risk cardiac events" PubMed Articles 1–25 of 59,000+

Stem-Cell-Derived Cardiomyocytes Grow Up: Start Young and Train Harder.

Engineering cardiac tissue that accurately recapitulates adult myocardium is critical for advancing disease modeling, drug screening, and regenerative medicine. Ronaldson-Bouchard et al. report a new strategy for generating cardiac tissues from stem-cell-derived cardiomyocytes that reach a maturation level closer to human adult cardiac structure and function.

Major Adverse Renal and Cardiac Events Following Coronary Angiography and Cardiac Surgery.

Patients at high risk for developing post-procedural complications may receive iodixanol, an iso-osmolar contrast, during coronary angiography to minimize the risk of renal toxicity. For those who additionally require cardiac surgery, the wait-time between angiography and surgery may be a modifiable factor capable of mitigating poor surgical outcomes; however, there have been inconsistsent reports regarding the optimal wait-time. We sought to determine the effects of wait time between angiogram and cardiac ...

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...

Applications of genetically engineered human pluripotent stem cell reporters in cardiac stem cell biology.

The advent of human pluripotent stem cells (hPSCs) has benefited many fields, from regenerative medicine to disease modeling, with an especially profound effect in cardiac research. Coupled with other novel technologies in genome engineering, hPSCs offer a great opportunity to delineate human cardiac lineages, investigate inherited cardiovascular diseases, and assess the safety and efficacy of cell-based therapies. In this review, we provide an overview of methods for generating genetically engineered hPSC ...

Orchestrating Ribosomal Subunit Coordination to Control Stem Cell Fate.

The mechanisms responsible for maintaining ribosomal component stoichiometry, which is critical during cell fate transitions, are currently not well understood. In this issue of Cell Stem Cell, Corsini et al. (2018) demonstrate that the transcription and splicing-associated factor HTATSF1 controls stem cell fate by coordinately regulating ribosomal protein and RNA production.

In vitro platform of allogeneic stem cell-derived cardiomyocyte transplantation for cardiac conduction defects.

The aim of the present study is to develop in vitro experimental analytical method for the electrophysiological properties of allogeneic induced pluripotent stem cell-derived cardiomyocytes (CMs) in cardiac conduction defect model.

The Challenges of First-in-Human Stem Cell Clinical Trials: What Does This Mean for Ethics and Institutional Review Boards?

Stem cell-based clinical interventions are increasingly advancing through preclinical testing and approaching clinical trials. The complexity and diversity of these approaches, and the confusion created by unproven and untested stem cell-based "therapies," create a growing need for a more comprehensive review of these early-stage human trials to ensure they place the patients at minimal risk of adverse events but are also based on solid evidence of preclinical efficacy with a clear scientific rationale for ...

The Potential of Stem Cells and Stem Cell-Derived Exosomes in Treating Cardiovascular Diseases.

In recent years, the cardiac protective mechanisms of stem cells have become a research focus. Increasing evidence has suggested that stem cells release vesicles, including exosomes and micro-vesicles. The content of these vesicles relies on an extracellular stimulus, and active ingredients are extensively being studied. Previous studies have confirmed that stem cell-derived exosomes have a cardiac protective function similar to that of stem cells, and promote angiogenesis, decrease apoptosis, and respond t...

What can we do to optimize stem and progenitor cell therapy for heart failure?

Stem cells are a promising solution for the treatment of heart failure due to their ability to repopulate injured myocardium and restore cardiac function. However, many hindrances (such as low survival/viability and integration of transplanted cells, poor homing and cardiac differentiation efficiency, and inadequate cell retention and engraftment) compromise the full regenerative potential provided by stem cells. Therefore, it is necessary to optimize stem cell/progenitor therapy to improve clinical efficac...

Trends in cardiovascular risk factor and disease prevalence in patients undergoing non-cardiac surgery.

Cardiovascular risk factors are prevalent in the population undergoing non-cardiac surgery. Changes in perioperative cardiovascular risk factor profiles over time are unknown. The objective of this study was to evaluate national trends in cardiovascular risk factors and atherosclerotic cardiovascular disease (ASCVD) among patients undergoing non-cardiac surgery.

Is cytomegalovirus a risk factor for haemorrhagic cystitis in allogeneic haematopoietic stem cell transplantation recipients?

Hemorrhagic cystitis (HC) is usually a serious complication in allogeneic hematopoietic stem cell transplantation (allo-HSCT) recipients. In this study, our aim is to define risk factors and outcomes for patients with HC in allo-HSCT setting.

Preoperative Midrregional Proadrenomedulin and High Sensitivity Troponin T Predict Perioperative Cardiovascular Events in Non-Cardiac Surgery.

We evaluated the utility of preoperative mid-regional pro-adrenomedulin (MR-proADM) and cardiac troponin T (TnT) for improved detection of patients at high risk for perioperative cardiac events and mortality after major non-cardiac surgery.

The Risk of Cardiovascular Events in Psoriasis Patients Treated with Tumor Necrosis Factor-alpha Inhibitors versus Phototherapy: An Observational Cohort Study.

Psoriasis is a risk factor for cardiovascular events.

β1-integrin is a cell-autonomous factor mediating the Numb pathway for cardiac progenitor maintenance.

Proper control of multipotent/stem cell number and fate is essential for ensuing organ formation during development. β1-integrin, a subfamily of cell surface receptors, has a conserved role in maintenance of multipotent/stem cells, including renal progenitor cells, follicle stem cells, epidermal stem cells and neural stem cells. However, it remains unclear whether β1-integrin has a role in cardiac progenitor cell (CPC) development. Here we show that a mesodermal deletion of β1-integrin decreases Isl1 cel...

Anti-inflammatory therapy with tumor necrosis factor inhibitors is associated with reduced risk of major adverse cardiovascular events in psoriasis.

Psoriasis is a systemic chronic inflammatory condition associated with increased risk of cardiovascular disease. Data demonstrating that decreased skin inflammation reduces cardiovascular events in psoriasis patients may be generalizable to other chronic inflammatory states with heightened cardiovascular risk.

Building Bonds: Cancer Stem Cells Depend on Their Progeny to Drive Tumor Progression.

Little is currently known about how cancer stem-like cells (CSCs) interact with their more restricted progeny. In this issue of Cell Stem Cell, Wang et al. (2018) demonstrate a novel bidirectional signaling axis between CSCs and their progeny that is mediated by brain-derived neurotrophic factor and VGF accelerating glioma progression.

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...

Tracing Stem Cell Division in Adult Neurogenesis.

Neural stem cells in the ventricular-subventricular zone of the adult brain continuously generate differentiated neurons without depleting the stem cell pool. In this issue of Cell Stem Cell, Obernier et al. (2018) present the surprising finding that this occurs through mostly symmetric divisions that either generate two differentiating or two self-renewing daughter cells.

Takotsubo Cardiomyopathy: A Long Term Follow-up Shows Benefit with Risk Factor Reduction.

Only sparse data was available on long-term of Takotusbo Cardiomyopathy (TC). Previous studies suggested prognosis is not necessarily benign. We report the long-term follow-up of 12 TC patients actively managed with risk factor reduction. Retrospective analysis of all patients diagnosed with TC at our hospital between 1998 and 2010. We identified 12 patients with TC among 1651 cases of emergent left heart catheterization over 12 years. Mean follow-up time was 8.3 ± 3.6 years. All were female, 87% had hyper...

Application of outpatient cardiac testing among emergency department patients with syncope.

2.6% of ED syncope patients will suffer cardiac serious adverse events (SAEs) within 30 days of disposition, and outpatient cardiac testing can improve patient safety. The objective is to determine whether outpatient cardiac testing for ED syncope patients is being appropriately ordered after discharge. To this end, we describe the proportion of high-risk and non-high (low and medium)-risk ED syncope patients as per the Canadian Syncope Risk Score (CSRS) who have a SAE after ED discharge, and the proporti...

Transcription factor TBX18 promotes adult rat bone mesenchymal stem cell differentiation to biological pacemaker cells.

Bone mesenchymal stem cells (BMSCs) are currently considered the optimal stem cells for biological pacemaker cell transformation. The cardiac‑specific transcription factor T‑Box protein 18 (TBX18) is essential for sinoatrial node (SAN) formation, particularly formation of the head region that generates the electrical impulses that induce heart contraction. The present study aimed to confirm the effects of TBX18 on biological pacemaker differentiation of rat BMSCs. Flow cytometry was used to identify ...

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...

Incidence of pediatric atopic dermatitis following thymectomy: a Danish register study.

T cell receptor gene rearrangement and T cell maturation occur in the thymus. Thymic involution begins at 1 year of age and progresses with approximately 3% per year until young adulthood. Newborns undergoing open-heart surgery have all or most of their thymus removed to facilitate cannulation of vessels, hence reducing the number of circulating CD3 , CD4 and CD8 Th cells. Therefore, one would expect neonates undergoing cardiac surgery to have reduced risk of AD. Indeed, cohort studies showed that premature...

Engineered Microenvironments for Maturation of Stem Cell Derived Cardiac Myocytes.

Through the use of stem cell-derived cardiac myocytes, tissue-engineered human myocardial constructs are poised for modeling normal and diseased physiology of the heart, as well as discovery of novel drugs and therapeutic targets in a human relevant manner. This review highlights the recent bioengineering efforts to recapitulate microenvironmental cues to further the maturation state of newly differentiated cardiac myocytes. These techniques include long-term culture, co-culture, exposure to mechanical stim...

Cigarette Smoke Induces Stem Cell Features of Pancreatic Cancer Cells via PAF1.

Cigarette smoking is a major risk factor for pancreatic cancer. Aggressive pancreatic tumors contain cancer cells with stem cell features. We investigated whether cigarette smoke induces stem cell features in pancreatic cancer cells.

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