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Clonal Hematopoiesis and the Heart: a Toxic Relationship
Curr Oncol Rep. 2023 Mar 15. doi: 10.1007/s11912-023-01398-1. Online ahead of print.ABSTRACTPURPOSE OF REVIEW: Clonal hematopoiesis (CH) refers to the expansion of hematopoietic stem cell clones and their cellular progeny due to somatic mutations, mosaic chromosomal alterations (mCAs), or copy number variants which naturally accumulate with age. CH has been linked to increased risk of blood cancers, but CH has also been linked to adverse cardiovascular outcomes.RECENT FINDINGS: A combination of clinical outcome studies and mouse models have offered strong evidence that CH mutations either correlate with or cause atheroscle...
Source: Atherosclerosis - March 15, 2023 Category: Cardiology Authors: Jeffrey L Jensen Saumya Easaw Travis Anderson Yash Varma Jiandong Zhang Brian C Jensen Catherine C Coombs Source Type: research

Stem cell therapy may reduce risk of heart attack and stroke in certain heart failure patients, new study shows
Cell therapy, involving adult stem cells from bone marrow, has been shown to reduce the risk of heart attack and stroke in severe heart failure patients, according to a new study.
Source: CNN.com - Health - February 27, 2023 Category: Consumer Health News Source Type: news

New Approaches for Enhancement of the Efficacy of Mesenchymal Stem Cell-Derived Exosomes in Cardiovascular Diseases
Tissue Eng Regen Med. 2022 Jul 22. doi: 10.1007/s13770-022-00469-x. Online ahead of print.ABSTRACTCardiovascular diseases (CVDs) remain a major health concern worldwide, where mesenchymal stem cells (MSCs) therapy gives great promise in their management through their regenerative and paracrine actions. In recent years, many studies have shifted from the use of transplanted stem cells to their secreted exosomes for the management of various CVDs and cardiovascular-related diseases including atherosclerosis, stroke, myocardial infarction, heart failure, peripheral arterial diseases, and pulmonary hypertension. In different m...
Source: Atherosclerosis - July 22, 2022 Category: Cardiology Authors: Lamiaa Ahmed Khaled Al-Massri Source Type: research

A hypertension patient derived induced pluripotent stem cell model demonstrates a role for GPER in hypertension risk and development.
This study further indicates that iPSC are a useful platform for exploring mechanistic insights underlying hypertension GWAS endeavors. PMID: 32783656 [PubMed - as supplied by publisher]
Source: Am J Physiol Cell Ph... - August 11, 2020 Category: Cytology Authors: Fredette NC, Malik E, Mukhtar ML, Prossnitz ER, Terada N Tags: Am J Physiol Cell Physiol Source Type: research

Evidence of Clonal Hematopoiesis and Risk of Heart Failure
AbstractPurpose of ReviewClonal hematopoiesis of indeterminate potential (CHIP) is characterized by persistent clonal expansion of adult hematopoietic stem cells, which has been increasingly found to be associated with cardiovascular disease and adverse outcomes in heart failure. Here we outline emerging studies on the prevalence of CHIP, and its association with cardiovascular and heart disease.Recent FindingsPrevious genomic studies have found CHIP mutations to be associated with increased risks of arterial disease, stroke, and mortality. Murine studies exploringTET2,DNMT3A, andJAK2 mutations have shown changes in cellul...
Source: Current Heart Failure Reports - August 8, 2020 Category: Cardiology Source Type: research

Long-term results of isolated transmyocardial laser revascularization in combination with the intramyocardial autologous bone marrow stem cells injection
AbstractTo evaluate the long-term results of TMLR using a CO2 laser in combination with intramyocardial injection of ABMSC as an isolated procedure in patients with the end-stage coronary artery disease, the study included 20 patients (90% male), with a mean age of 58.4 ± 8.7 years. To assess the long-term results, patients were examined in a hospital. The Minnesota Living with Heart Failure Questionnaire (MLHFQ) and the Seattle Angina Questionnaire (SAQ) were used. The evolution of laboratory and instrumental indices, as well as medical therapy, was assessed. The end points of the study were death, acute myocardial infar...
Source: Lasers in Medical Science - December 3, 2019 Category: Laser Surgery Source Type: research

Potential Applications of Remote Limb Ischemic Conditioning for Chronic Cerebral Circulation Insufficiency
Conclusion Due to its long-term and often invisible course, CCCI has received less attention than acute cerebral ischemic stroke. However, without appropriate intervention, CCCI may lead to a variety of adverse events. Because the pathophysiological changes associated with CCCI are complex, pharmacological research in this area has been disappointing. Recent research suggests that RLIC, which is less invasive and more well-tolerated than drug treatment, can activate endogenous protective mechanisms during CCCI. In the present report, we reviewed studies related to CCCI (Table 1), as well as those related to stroke and sta...
Source: Frontiers in Neurology - May 2, 2019 Category: Neurology Source Type: research

Pentraxin 3 in Cardiovascular Disease
Giuseppe Ristagno1*, Francesca Fumagalli1, Barbara Bottazzi2, Alberto Mantovani2,3,4, Davide Olivari1, Deborah Novelli1 and Roberto Latini1 1Department of Cardiovascular Research, Mario Negri Institute for Pharmacological Research IRCCS, Milan, Italy 2Humanitas Clinical and Research Center-IRCCS, Milan, Italy 3Humanitas University, Milan, Italy 4The William Harvey Research Institute, Queen Mary University of London, London, United Kingdom The long pentraxin PTX3 is a member of the pentraxin family produced locally by stromal and myeloid cells in response to proinflammatory signals and microbial moieties. The p...
Source: Frontiers in Immunology - April 16, 2019 Category: Allergy & Immunology Source Type: research

Blood Flow Restriction Exercise Attenuates the Exercise-Induced Endothelial Progenitor Cell Response in Healthy, Young Men
Conclusion In summary, this is the first study to show that BFR exercise did not augment EPC response to exercise, and in fact blunted the EPC response to low load unilateral KE exercise in young, healthy males. Ethics Statement This study was carried out in accordance with the recommendations of Edinburgh Napier University Research and Ethics Governance Committee. The study was ethically approved by Edinburgh Napier University Research and Ethics Governance Committee. All participants gave written informed consent in accordance with the Declaration of Helsinki. Author Contributions MR, RM, AP, CW, GF-J designed the s...
Source: Frontiers in Physiology - April 16, 2019 Category: Physiology Source Type: research

Repeated Changes to the Gravitational Field Negatively Affect the Serum Concentration of Select Growth Factors and Cytokines
This study was carried out in accordance with the recommendations of the ethical committee of the Ruhr-Universität Bochum with written informed consent from all subjects. All subjects gave written informed consent in accordance with the Declaration of Helsinki. The protocol was approved by the ethical committee of the Ruhr-Universität Bochum (Register-Number 5158–14). Author Contributions US, FS, LG, and AK performed the experiments. US and TR analyzed the data, created the figures, and drafted the manuscript. TW, FS, and NB designed the study. All authors revised the manuscript and approved its fina...
Source: Frontiers in Physiology - April 16, 2019 Category: Physiology Source Type: research

YiQiFuMai Powder Injection Attenuates Coronary Artery Ligation-Induced Heart Failure Through Improving Mitochondrial Function via Regulating ROS Generation and CaMKII Signaling Pathways
This study was carried out in accordance with the recommendations of “Guide for the Care and Use of Laboratory Animals, National Institutes of Health.” The protocol was approved by the “China Pharmaceutical University.” Surgical Preparation The mice were anesthetized with chloral hydrate (4% chloral hydrate, ip). The HF model was induced by CAL as previously reported (Gao et al., 2010). Successful ligation of the coronary artery was confirmed by the occurrence of ST-segment elevation in electrocardiogram. Sham operated mice were performed the same process except left CAL. After ligation, the h...
Source: Frontiers in Pharmacology - April 9, 2019 Category: Drugs & Pharmacology Source Type: research

Cell-Based Therapies for Stroke: Promising Solution or Dead End? Mesenchymal Stem Cells and Comorbidities in Preclinical Stroke Research
Conclusion The high prevalence of comorbidities in patients with stroke indicates the need for therapies in preclinical studies that take into account these comorbidities in order to avoid failures in translation to the patient. Preclinical studies are beginning to evaluate the efficacy of MSC treatment in stroke associated with comorbidities, especially hypertension, for ischemic and hemorrhagic stroke. Regarding aging and diabetes, only ischemic stroke studies have been performed. For the moment, few studies have been performed and contradictory results are being reported. These contradictory results may be due to the u...
Source: Frontiers in Neurology - April 8, 2019 Category: Neurology Source Type: research

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