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cardiovascular progenitor cell

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https://www.readbyqxmd.com/read/28097739/cellular-plasticity-in-cardiovascular-development-and-disease
#1
REVIEW
Soumyashree Das, Kristy Red-Horse
Knowledge on cellular differentiation pathways is critical to understanding organ development, homeostasis, and disease. Studying cell differentiation and cell fate restrictions in these contexts can be done through lineage tracing experiments, which entail permanent labeling of a cell and all its progeny. Recent lineage experiments within the cardiovascular system have uncovered unexpected findings on cellular origins during organogenesis and cell plasticity during disease. For example, there is increasing evidence that multiple progenitor sources exist for a single cell type, and that cells have remarkable expansive capacities under disease settings...
January 18, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28089145/effect-of-exercise-training-on-endothelial-function-in-heart-failure-patients-a-systematic-review-meta-analysis
#2
M J Pearson, N A Smart
OBJECTIVE: Endothelial dysfunction contributes to the development and progression of cardiovascular disease and heart failure (HF) and is associated with an increased risk of mortality. Flow-mediated dilation (FMD) is widely utilised to assess endothelial function and is improved with exercise training in heart failure patients. The aim of this meta-analysis is to quantify the effect of exercise training in patients with heart failure. BACKGROUND: A large number of studies now exist that have examined endothelial function in patients with heart failure...
December 28, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28067862/impact-of-indoxyl-sulfate-on-progenitor-cell-related-neovascularization-of-peripheral-arterial-disease-and-post-angioplasty-thrombosis-of-dialysis-vascular-access
#3
REVIEW
Chih-Cheng Wu, Szu-Chun Hung, Ko-Lin Kuo, Der-Cherng Tarng
Patients with chronic kidney disease (CKD) have an increased risk of vascular disease, which is associated with considerable health care costs. Vascular disease in CKD differs clinically and pathobiologically from that in patients with normal renal function. Besides the traditional risk factors, retention of uremic toxins contributes to the pathogenesis of vascular disease in patients with CKD. Indoxyl sulfate is a protein-bound uremic toxin and is inefficiently removed by conventional dialysis. Accumulating evidence suggests that indoxyl sulfate is a vascular toxin involved in atherosclerosis, arteriosclerosis, vascular calcification and vascular repair...
January 7, 2017: Toxins
https://www.readbyqxmd.com/read/28060837/beneficial-effects-of-reconstituted-high-density-lipoprotein-rhdl-on-circulating-cd34-cells-in-patients-after-an-acute-coronary-syndrome
#4
Catherine Gebhard, Eric Rhéaume, Colin Berry, Geneviève Brand, Anne-Elen Kernaleguen, Gabriel Théberge-Julien, Mohammad Afaque Alam, Candace Y W Lee, Laurianne Boileau, Malorie Chabot-Blanchet, Marie-Claude Guertin, Marc-André Lavoie, Jean Grégoire, Réda Ibrahim, Philippe L'Allier, Jean-Claude Tardif
BACKGROUND: High-density lipoproteins (HDL) favorably affect endothelial progenitor cells (EPC). Circulating progenitor cell level and function are impaired in patients with acute coronary syndrome (ACS). This study investigates the short-term effects of reconstituted HDL (rHDL) on circulating progenitor cells in patients with ACS. METHODS AND FINDINGS: The study population consisted of 33 patients with recent ACS: 20 patients from the ERASE trial (randomized to receive 4 weekly intravenous infusions of CSL-111 40 mg/kg or placebo) and 13 additional patients recruited as controls using the same enrolment criteria...
2017: PloS One
https://www.readbyqxmd.com/read/28006782/indoxyl-sulfate-impairs-endothelial-progenitor-cells-and-might-contribute-to-vascular-dysfunction-in-patients-with-chronic-kidney-disease
#5
Cheng-Jui Lin, Chih-Jen Wu, Pei-Chen Wu, Chi-Feng Pan, Tuan-Jen Wang, Fang-Ju Sun, Hsuan-Liang Liu, Han-Hsiang Chen, Hung-I Yeh
BACKGROUND/AIMS: Indoxyl sulfate (IS) is a protein-bound uremic toxin that accumulates in patients with chronic kidney disease (CKD). We explored the effect of IS on human early endothelial progenitor cells (EPCs) and analyzed the correlation between serum IS levels and parameters of vascular function, including endothelial function in a CKD-based cohort. METHODS: A cross-sectional study with 128 stable CKD patients was conducted. Flow-mediated dilation (FMD), pulse wave velocity (PWV), ankle brachial index, serum IS and other biochemical parameters were measured and analyzed...
2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27974567/hcmv-requires-egfr-signaling-to-enter-and-initiate-the-early-steps-in-the-establishment-of-latency-in-cd34-human-progenitor-cells
#6
Jung Heon Kim, Donna Collins-McMillen, Jason C Buehler, Felicia D Goodrum, Andrew D Yurochko
: The establishment of human cytomegalovirus (HCMV) latency and persistence relies on the successful infection of hematopoietic cells, which serve as sites of viral persistence and contribute to viral spread. Here, using blocking antibodies and pharmacological inhibitors, we document that HCMV activation of the epidermal growth factor receptor (EGFR) and downstream phosphatidylinositol-3-kinase (PI (3)K) mediates viral entry into CD34+ human progenitor cells (HPCs), resulting in distinct cellular trafficking and nuclear translocation of the virus compared to other immune cells, such as we have documented in monocytes...
December 14, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27968848/effect-of-danhong-injection-on-the-mobilisation-of-endothelial-progenitor-cells-to-vascular-repair-after-percutaneous-coronary-intervention-a-randomised-controlled-trial
#7
Zhen Hu, Hong Wang, Guanwei Fan, Han Zhang, Xiaoying Wang, Jingyuan Mao, Yingqiang Zhao, Yi An, Yuhong Huang, Chuan Li, Lianying Chang, Xianming Chu, Li Li, Yanfen Li, Yuan Zhang, Gangjian Qin, Xiumei Gao, Boli Zhang
BACKGROUND: Endothelial progenitor cells (EPCs) derived from bone marrow are associated with the repair of vascular injury by accelerating re-endothelisation, and represent a potential therapeutic target for ischaemic disease. Danhong injection (DHI), a Chinese Materia Medica standardised product extracted from Radix Salvia miltiorrhiza and Flos Carthamus tinctorius L, is effective in the treatment of ischaemic heart disease. We assessed the effect of DHI on the mobilisation of EPCs and vascular repair mediated by EPCs after percutaneous coronary intervention (PCI)...
October 2016: Lancet
https://www.readbyqxmd.com/read/27959616/coronary-artery-development-progenitor-cells-and-differentiation-pathways
#8
Bikram Sharma, Andrew Chang, Kristy Red-Horse
Coronary artery disease (CAD) is the number one cause of death worldwide and involves the accumulation of plaques within the artery wall that can occlude blood flow to the heart and cause myocardial infarction. The high mortality associated with CAD makes the development of medical interventions that repair and replace diseased arteries a high priority for the cardiovascular research community. Advancements in arterial regenerative medicine could benefit from a detailed understanding of coronary artery development during embryogenesis and of how these pathways might be reignited during disease...
December 9, 2016: Annual Review of Physiology
https://www.readbyqxmd.com/read/27959432/bone-marrow-derived-mesenchymal-stem-cells-modified-with-igfbp-3-inhibit-the-proliferation-of-pulmonary-artery-smooth-muscle-cells
#9
Ge Sheng Cheng, Yu Shun Zhang, Ting Ting Zhang, Lu He, Xing Ye Wang
Pulmonary arterial hypertension (PAH) is a common clinical cardiovascular disease, leading to the excessive proliferation of pulmonary artery smooth muscle cells (PASMCs) and endothelial cells, and is associated with a high mortality rate. Recently, stem- and progenitor cell-mediated gene therapies have provided a novel approach for the treatment of PAH. However, the function of human bone marrow-derived mesenchymal stem cells (hBM‑MSCs) modified with the insulin-like growth factor binding protein-3 (IGFBP-3) gene in the regulation of PAH is not yet fully understood...
January 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27956416/telomere-shortening-regenerative-capacity-and-cardiovascular-outcomes
#10
Muhammad Hammadah, Ibhar Al Mheid, Kobina Wilmot, Ronnie Ramadan, Naser Abdulhadi, Ayman Alkhoder, Malik Obideen, Pratik Pimple, Oleksiy Levantsevych, Heval Kelli, Amit Shah, Yan Sun, Brad Pearce, Michael Kutner, Qi Long, Laura Ward, Yi-An Ko, Kareem Hosny Mohammed, Jue Lin, Jinying Zhao, J Bremner, Jinhee Kim, Edmund Waller, Paolo Raggi, David Sheps, Arshed Quyyumi, Viola Vaccarino
RATIONALE: Leucocyte telomere length (LTL) is a biological marker of aging, and shorter LTL is associated with adverse cardiovascular outcomes. Reduced regenerative capacity has been proposed as a mechanism. Bone marrow-derived circulating progenitor cells (PCs) are involved in tissue repair and regeneration. OBJECTIVE: To examine the relationship between LTL and PCs, and their impact on adverse cardiovascular outcomes. METHODS AND RESULTS: We measured LTL by quantitative PCR in 566 outpatients (age 63±9 years, 76% male) with coronary artery disease (CAD)...
December 12, 2016: Circulation Research
https://www.readbyqxmd.com/read/27938493/thrombospondin-1-derived-peptide-rfyvvmwk-improves-the-adhesive-phenotype-of-cd34sup-sup-cells-from-atherosclerotic-patients-with-type-2-diabetes
#11
Sylvie Cointe, Éric Rhéaume, Catherine Martel, Olivier Blanc-Brude, Evemie Dubé, Florence Sabatier, Françoise Dignat-George, Jean-Claude Tardif, Arnaud Bonnefoy
<p>Background: CD34(+) progenitor cells are growingly used for vascular repair. However, in diabetic individuals with cardiovascular diseases, these cells have dysfunctional engraftment capabilities, which compromise their use for autologous cell therapy. The thrombospondin-1-derived peptide RFYVVMWK has previously been reported to stimulate cell adhesiveness through CD47 and integrin activation pathways.</p><p>Objectives: Our aim was to test whether RFYVVMWK preconditioning could modulate CD34(+) cells phenotype and enhance its pro-adhesive properties in diabetic patients...
6, 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27930695/coordinated-activation-of-vegf-vegfr-2-and-ppar%C3%AE-pathways-by-a-multi-component-chinese-medicine-dhi-accelerated-recovery-from-peripheral-arterial-disease-in-type-2-diabetic-mice
#12
Shuang He, Tiechan Zhao, Hao Guo, Yanzhi Meng, Gangjian Qin, David A Goukassian, Jihong Han, Xuimei Gao, Yan Zhu
Diabetic mellitus (DM) patients are at an increased risk of developing peripheral arterial disease (PAD). Danhong injection (DHI) is a Chinese patent medicine widely used for several cardiovascular indications but the mechanism of action is not well-understood. We investigated the therapeutic potential of DHI on experimental PAD in mice with chemically induced as well as genetic (KKAy) type 2 DM and the overlapping signaling pathways regulating both therapeutic angiogenesis and glucose homeostasis. Compared with normal genetic background wild type (WT) mice, both DM mice showed impaired perfusion recovery in hind-limb ischemia (HLI) model...
2016: PloS One
https://www.readbyqxmd.com/read/27915217/human-cells-involved-in-atherosclerosis-have-a-sex
#13
REVIEW
Flavia Franconi, Giuseppe Rosano, Stefania Basili, Andrea Montella, Ilaria Campesi
The influence of sex has been largely described in cardiovascular diseases. Atherosclerosis is a complex process that involves many cell types such as vessel cells, immune cells and endothelial progenitor cells; however, many, if not all, studies do not report the sex of the cells. This review focuses on sex differences in human cells involved in the atherosclerotic process, emphasizing the role of sex hormones. Furthermore, we report sex differences and issues related to the processes that determine the fate of the cells such as apoptotic and autophagic mechanisms...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27906170/generating-high-purity-cardiac-and-endothelial-derivatives-from-patterned-mesoderm-using-human-pluripotent-stem-cells
#14
Nathan J Palpant, Lil Pabon, Clayton E Friedman, Meredith Roberts, Brandon Hadland, Rebecca J Zaunbrecher, Irwin Bernstein, Ying Zheng, Charles E Murry
Human pluripotent stem cells (hPSCs) provide a valuable model for the study of human development and a means to generate a scalable source of cells for therapeutic applications. This protocol specifies cell fate efficiently into cardiac and endothelial lineages from hPSCs. The protocol takes 2 weeks to complete and requires experience in hPSC culture and differentiation techniques. Building on lessons taken from early development, this monolayer-directed differentiation protocol uses different concentrations of activin A and bone morphogenetic protein 4 (BMP4) to polarize cells into mesodermal subtypes that reflect mid-primitive-streak cardiogenic mesoderm and posterior-primitive-streak hemogenic mesoderm...
January 2017: Nature Protocols
https://www.readbyqxmd.com/read/27904593/the-role-of-endothelial-progenitor-cells-in-transient-ischemic-attack-patients-for-future-cerebrovascular-events
#15
Rokhsareh Meamar, Hamidreza Nikyar, Leila Dehghani, Maedeh Talebi, Marzieh Dehghani, Marzieh Ghasemi, Behnaz Ansari, Mohammad Saadatnia
BACKGROUND: The role of endothelial progenitor cells (EPCs) in the maintenance of vascularization following ischemic brain after experimental stroke has been established. Accordingly, in this study, we evaluated the role of circulating EPCs in transient ischemic attack (TIA) patients for future cerebrovascular (CV) events. MATERIALS AND METHODS: The level of circulating EPCs (staining markers: CD34, CD309) were determined using flow cytometry at 24 h after TIA in thirty consecutive patients...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27899395/functional-definition-of-progenitors-versus-mature-endothelial-cells-reveals-key-soxf-dependent-differentiation-process
#16
Jatin Patel, Elke J Seppanen, Mathieu P Rodero, Ho Yi Wong, Prudence Donovan, Zoltan Neufeld, Nicholas M Fisk, Mathias François, Kiarash Khosrotehrani
BACKGROUND: -During adult life, blood vessel formation is thought to occur via angiogenic processes involving branching from existing vessels. An alternate proposal suggests that neo-vessels form from endothelial progenitors able to assemble the intimal layers. We here aimed to define vessel-resident endothelial progenitors in vivo in a variety of tissues in physiological and pathological situations such as normal aorta, lungs, as well as wound healing, tumors and placenta. METHODS: -Based on protein expression levels of common endothelial markers using flow cytometry, three sub-populations of endothelial cells could be identified among VE-Cadherin+ and CD45- cells...
November 29, 2016: Circulation
https://www.readbyqxmd.com/read/27884974/from-leeches-to-personalized-medicine-evolving-concepts-in-the-management-of-polycythemia-vera
#17
REVIEW
Alessandro M Vannucchi
Polycythemia vera is a clonal disorder of hematopoietic stem/progenitor cells. It manifests as an expansion of red cell mass. It is the most common chronic myeloproliferative neoplasm. In virtually all cases, it is characterized by a V617F point mutation in JAK2 exon 14 or less common mutations in exon 12. The landmark discovery of the autonomously activated JAK/STAT signaling pathway paved the way for the clinical development of the first target drug, the JAK1 and JAK2 inhibitor ruxolitinib. This is now approved for patients with resistance or intolerance to hydroxyurea...
January 2017: Haematologica
https://www.readbyqxmd.com/read/27867287/atherosclerosis-in-psoriatic-arthritis-a-multiparametric-analysis-using-imaging-technique-and-laboratory-markers-of-inflammation-and-vascular-function
#18
Nidhi Garg, Pawan Krishan, Ashit Syngle
Cardiovascular disease is one of the leading causes of death in psoriatic arthritis (PsA). Pathogenesis of accelerated atherosclerosis in PsA remains to be elucidated. Endothelial dysfunction (ED) often precedes manifesting atherosclerosis. This study aims to assess carotid intima-media thickness (CIMT), a marker of atherosclerosis in PsA, in context of markers of inflammation and vascular function. A cross-sectional study was performed in 18 PsA patients who were compared with 18 controls matched for age and sex...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/27856257/maternal-diabetes-and-high-glucose-in%C3%A2-vitro-trigger-sca1-cardiac-progenitor-cell-apoptosis-through-foxo3a
#19
Penghua Yang, Wendy W Yang, Xi Chen, Sunjay Kaushal, Daoyin Dong, Wei-Bin Shen
Recent controversies surrounding the authenticity of c-kit(+) cardiac progenitor cells significantly push back the advance in regenerative therapies for cardiovascular diseases. There is an urgent need for research in characterizing alternative types of cardiac progenitor cells. Towards this goal, in the present study, we determined the effect of maternal diabetes on Sca1(+) cardiac progenitor cells. Maternal diabetes induced caspase 3-dependent apoptosis in Sca1(+) cardiac progenitor cells derived from embryonic day 17...
January 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27854314/black-tea-increases-circulating-endothelial-progenitor-cells-and-improves-flow-mediated-dilatation-counteracting-deleterious-effects-from-a-fat-load-in-hypertensive-patients-a-randomized-controlled-study
#20
Davide Grassi, Richard Draijer, Casper Schalkwijk, Giovambattista Desideri, Anatolia D'Angeli, Sandro Francavilla, Theo Mulder, Claudio Ferri
(1) Background: Endothelial dysfunction predicts cardiovascular events. Circulating angiogenic cells (CACs) maintain and repair the endothelium regulating its function. Tea flavonoids reduce cardiovascular risk. We investigated the effects of black tea on the number of CACs and on flow-mediated dilation (FMD) before and after an oral fat in hypertensives; (2) Methods: In a randomized, double-blind, controlled, cross-over study, 19 patients were assigned to black tea (150 mg polyphenols) or a placebo twice a day for eight days...
November 16, 2016: Nutrients
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