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cardiovascular progenitor cell

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https://www.readbyqxmd.com/read/28727754/dysregulation-of-endothelial-colony-forming-cell-function-by-a-negative-feedback-loop-of-circulating-mir-146a-and-146b-in-cardiovascular-disease-patients
#1
Ting-Yu Chang, Wei-Chi Tsai, Tse-Shun Huang, Shu-Han Su, Chih-Young Chang, Hsiu-Yen Ma, Chun-Hsien Wu, Chih-Yung Yang, Chi-Hung Lin, Po-Hsun Huang, Cheng-Chung Cheng, Shu-Meng Cheng, Hsei-Wei Wang
Functional impairment of endothelial colony-forming cells (ECFCs), a specific cell lineage of endothelial progenitor cells (EPCs) is highly associated with the severity of coronary artery disease (CAD), the most common type of cardiovascular disease (CVD). Emerging evidence show that circulating microRNAs (miRNAs) in CAD patients' body fluid hold a great potential as biomarkers. However, our knowledge of the role of circulating miRNA in regulating the function of ECFCs and the progression of CAD is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/28717251/transdifferentiated-human-vascular-smooth-muscle-cells-are-a-new-potential-cell-source-for-endothelial-regeneration
#2
Xuechong Hong, Andriana Margariti, Alexandra Le Bras, Laureen Jacquet, Wei Kong, Yanhua Hu, Qingbo Xu
Endothelial dysfunction is widely implicated in cardiovascular pathological changes and development of vascular disease. In view of the fact that the spontaneous endothelial cell (EC) regeneration is a slow and insufficient process, it is of great interest to explore alternative cell sources capable of generating functional ECs. Vascular smooth muscle cell (SMC) composes the majority of the vascular wall and retains phenotypic plasticity in response to various stimuli. The aim of this study is to test the feasibility of the conversion of SMC into functional EC through the use of reprogramming factors...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715395/expansion-and-adipogenesis-induction-of-adipocyte-progenitors-from-perivascular-adipose-tissue-isolated-by-magnetic-activated-cell-sorting
#3
Kyan Thelen, Nadia Ayala-Lopez, Stephanie W Watts, G Andres Contreras
Expansion of Perivascular Adipose Tissue (PVAT), a major regulator of vascular function through paracrine signaling, is directly related to the development of hypertension during obesity. The extent of hypertrophy and hyperplasia depends on depot location, sex, and the type of Adipocyte Progenitor Cell (APC) phenotypes present. Techniques used for APC and preadipocytes isolation in the last 10 years have drastically improved the accuracy at which individual cells can be identified based on specific cell surface markers...
June 30, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28711174/secondhand-smoke-exposure-and-preclinical-markers-of-cardiovascular-risk-in-toddlers
#4
Judith A Groner, Hong Huang, Mandar S Joshi, Nicholas Eastman, Lisa Nicholson, John Anthony Bauer
OBJECTIVE: To investigate relationships between secondhand smoke exposure in young children and several preclinical markers of cardiovascular risk that have been established as relevant to adult populations. STUDY DESIGN: There were 139 children, 2-5 years of age, enrolled in a cross-sectional study. Secondhand smoke exposure was objectively determined by hair nicotine level; a comprehensive panel of clinical markers (morning blood pressure, fasting glucose and insulin, lipid profiles, inflammation) and research markers (markers of oxidation, endothelial stress, and endothelial repair) of cardiovascular risk status were assessed...
July 12, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28704936/effects-of-a-new-nutraceutical-formulation-berberine-red-yeast-rice-and-chitosan-on-non-hdl-cholesterol-levels-in-individuals-with-dyslipidemia-results-from-a-randomized-double-blind-placebo-controlled-study
#5
Valentina Spigoni, Raffaella Aldigeri, Monica Antonini, Maria Maddalena Micheli, Federica Fantuzzi, Andrea Fratter, Marzia Pellizzato, Eleonora Derlindati, Ivana Zavaroni, Riccardo C Bonadonna, Alessandra Dei Cas
Increased non high-density lipoprotein (HDL)/low-density lipoprotein (LDL) cholesterol levels are independent risk factors for cardiovascular (CV) mortality with no documented threshold. A new combination of nutraceuticals (berberine 200 mg, monacolin K 3 mg, chitosan 10 mg and coenzyme Q 10 mg) with additive lipid-lowering properties has become available. The aim of the study is to test the efficacy of the nutraceutical formulation (one daily) in lowering non-HDL cholesterol vs. placebo at 12 weeks in individuals with non-HDL-cholesterol levels ≥160 mg/dL...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28697536/potential-applications-of-low-energy-shock-waves-in-functional-urology
#6
REVIEW
Hung-Jen Wang, Jai-Hong Cheng, Yao-Chi Chuang
A shock wave, which carries energy and can propagate through a medium, is a type of continuous transmitted sonic wave with a frequency of 16 Hz-20 MHz. It is accompanied by processes involving rapid energy transformations. The energy associated with shock waves has been harnessed and used for various applications in medical science. High-energy extracorporeal shock wave therapy is the most successful application of shock waves, and has been used to disintegrate urolithiasis for 30 years. At lower energy levels, however, shock waves have enhanced expression of vascular endothelial growth factor, endothelial nitric oxide synthase, proliferating cell nuclear antigen, chemoattractant factors and recruitment of progenitor cells; shock waves have also improved tissue regeneration...
July 11, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28689502/intrauterine-growth-restriction-induced-deleterious-adaptations-in-endothelial-progenitor-cells-possible-mechanism-to-impair-endothelial-function
#7
V Oliveira, L V de Souza, T Fernandes, S D S Junior, M H C de Carvalho, E H Akamine, L C Michelini, E M de Oliveira, M D C Franco
Intrauterine growth restriction (IUGR) can induce deleterious changes in the modulatory ability of the vascular endothelium, contributing to an increased risk of developing cardiovascular diseases in the long term. However, the mechanisms involved are not fully understood. Emerging evidence has suggested the potential role of endothelial progenitor cells (EPCs) in vascular health and repair. Therefore, we aimed to evaluate the effects of IUGR on vascular reactivity and EPCs derived from the peripheral blood (PB) and bone marrow (BM) in vitro...
July 10, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28685538/the-origin-in-vitro-differentiation-and-stemness-specificity-of-progenitor-cells
#8
W Kranc, J Budna, M Dudek, A Bryja, A Chachuła, S Ciesiółka, S Borys, M Dyszkiewicz-Konwińska, M Jeseta, L Porowski, P Antosik, D Bukowska, K P Brüssow, M Bruska, M Nowicki, M Zabel, B Kempisty
Since the successful collection of the first progenitor stem cells (SCs), there has been an increased interest in these cells as a model for undiscovered and unlimited potential of differentiation and development. Additionally, it was shown that SC populations display an ability to form pluripotent and/or totipotent cell populations. It was found that human ovarian granulosa cells (GCs) maintain a large capacity for differentiation into several other cell lineages, such as chondrogenic, osteogenic, neurogenic, and adipogenic, particularly during long-term, in vitro culture...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28677720/visfatin-induces-the-apoptosis-of-endothelial-progenitor-cells-via-the-induction-of-pro-inflammatory-mediators-through-the-nf-%C3%AE%C2%BAb-pathway
#9
Lina Sun, Shuchun Chen, Haina Gao, Luping Ren, Guangyao Song
Endothelial progenitor cells (EPCs) are an independent factor predicting cardiovascular events. Visfatin plays an important role in the pathogenesis of various metabolic disorders. In this study, we examined the effects of visfatin on the apoptosis of EPCs and the mechanisms underlying these effects. Cultured EPCs pre-treated with various concentrations of visfatin, FK866 (visfatin inhibitor) and BAY11-7085 [referred to as BAY11; nuclear factor-κB (NF-κB) inhibitor] were used to investigate the association between visfatin and EPC apoptosis...
July 3, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28669772/naoxintong-inhibits-myocardial-infarction-injury-by-vegf-enos-signaling-mediated-neovascularization
#10
Hong Wang, Lizhen Qiu, Yake Ma, Lusha Zhang, Lu Chen, Chunxiao Li, Xiao Geng, Xingyu You, Xiumei Gao
ETHNOPHARMACOLOGICAL RELEVANCE: Naoxintong capsules (NXT), a traditional Chinese Medical preparation, are widely used for treatment of cardiovascular diseases, while the mechanism is still unclear. MATERIALS AND METHODS: Myocardial infarction (MI) was induced by ligation of the left coronary artery in mice. Echocardiographic measurements were performed to do physiological assessments of left ventricle (LV) function. Histological and immunohistochemical staining was used to determine infarct size, capillary density, tissue endothelial nitric oxide synthase (eNOS) expression...
June 29, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28661931/splicing-regulators-in-endothelial-cell-differentiation
#11
Concetta Schiano, Monica Rienzo, Amelia Casamassimi, Andrea Soricelli, Claudio Napoli
AIMS: Alternative splicing represents a key mechanism of gene regulation. Despite its role in regulating cell pluripotency and differentiation being well known, the underlining mechanisms are still poorly studied. Here, we investigated the possible involvement of splicing regulators during the different steps of endothelial cell differentiation through expression studies on human circulating progenitors. METHODS: Total RNAs were extracted from all cells and reverse-transcribed...
June 28, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28642016/electrospun-vascular-scaffold-for-cellularized-small-diameter-blood-vessels-a-preclinical-large-animal-study
#12
Young Min Ju, Hyunhee Ahn, Juan Arenas-Herrera, Cheil Kim, Mehran Abolbashari, Anthony Atala, James J Yoo, Sang Jin Lee
The strategy of vascular tissue engineering is to create a vascular substitute by combining autologous vascular cells with a tubular-shaped biodegradable scaffold. We have previously developed a novel electrospun bilayered vascular scaffold that provides proper biological and biomechanical properties as well as structural configuration. In this study, we investigated the clinical feasibility of a cellularized vascular scaffold in a preclinical large animal model. We fabricated the cellularized vascular construct with autologous endothelial progenitor cell (EPC)-derived endothelial cells (ECs) and smooth muscle cells (SMCs) followed by a pulsatile bioreactor preconditioning...
June 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28641152/urea-induced-ros-accelerate-senescence-in-endothelial-progenitor-cells
#13
Maria D'Apolito, Anna Laura Colia, Maria Lasalvia, Vito Capozzi, Maria Pia Falcone, Massimo Pettoello-Mantovani, Michael Brownlee, Angela Bruna Maffione, Ida Giardino
BACKGROUND AND AIMS: The pathogenic events responsible for the reduction of endothelial progenitor cell (EPC) number and function seen in patients with chronic renal failure (CRF) are poorly understood. Here we investigate the hypothesis that increased concentrations of urea associated with CRF increase ROS production directly in EPCs, causing abnormalities associated with coronary artery disease risk. METHODS: Human EPCs were isolated from peripheral blood mononuclear cells of healthy donors and cultured in the presence or absence of 20 mmol/L urea...
June 15, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28640894/characterization-and-analysis-of-long-non-coding-rna-lncrna-in-in-vitro-and-ex-vivo-derived-cardiac-progenitor-cells
#14
Baron Arnone, Jake Y Chen, Gangjian Qin
Recent advancements in cell-based therapies for the treatment of cardiovascular disease (CVD) show continuing promise for the use of transplanted stem and cardiac progenitor cells (CPCs) to promote cardiac restitution. However, a detailed understanding of the molecular mechanisms that control the development of these cells remains incomplete and is critical for optimizing their use in such therapy. Long non-coding (lnc) RNA has recently emerged as a crucial class of regulatory molecules involved in directing a variety of critical biological processes including development, homeostasis and disease...
2017: PloS One
https://www.readbyqxmd.com/read/28623398/endothelial-vascular-markers-in-coronary-surgery
#15
Diana M Valencia-Nuñez, Willy Kreutler, Javier Moya-Gonzalez, Pedro Alados-Arboledas, Ignacio Muñoz-Carvajal, Andrés Carmona, Rafael Ramirez-Chamond, Julia Carracedo-Añon
Coronary heart disease is associated with high morbidity and mortality. Endothelial dysfunction in affected patients is linked to long-term atherosclerotic disease progression and cardiovascular event rates. The present paper reports on changes in the levels of endothelial progenitor cells (VEGFR2/CD133/CD34), essential for endothelial repair, and of endothelial microvesicles (CD31/annexin V) as indicators of endothelial lesion, in patients undergoing coronary bypass surgery with respect both to baseline levels and to counts in healthy subjects...
June 16, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28619079/association-between-high-density-lipoprotein-cholesterol-and-hypertension-in-relation-to-circulating-cd34-positive-cell-levels
#16
Yuji Shimizu, Shimpei Sato, Jun Koyamatsu, Hirotomo Yamanashi, Mako Nagayoshi, Koichiro Kadota, Shin-Ya Kawashiri, Takahiro Maeda
BACKGROUND: Although high-density lipoprotein-cholesterol (HDL) level is inversely correlated with cardiovascular events, HDL is also reported to be positively associated with hypertension, which is a known endothelial impairment factor. Since HDL mediates important protective actions on the vascular endothelium by increasing the number of circulating endothelial progenitor cells (CD34-positive cells), the level of circulating CD34-positive cells should influence the association between HDL and hypertension...
June 15, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28595524/epc-dysfunction-and-immune-networks-translating-opportunities-for-the-clinical-setting-in-personalized-medicine
#17
Javier Rodríguez-Carrio, Patricia López, Ana Suárez
Cardiovascular (CV) risk stratification is suboptimal if solely based on traditional CV risk factors, since individuals with similar risk profiles could exhibit diverging CV outcomes. Thus, there is a need for new risk factors to be identified and implemented. Recent studies emphasize the relevance of the endothelial homeostasis in the control of CV risk burden, but the clinical relevance of these findings is starting to be appreciated. However, gaining insight into the actual players involved in this phenomenon would lead to the identification of novel biomarkers...
June 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28589144/asymmetric-dimethylarginine-induced-apoptosis-and-dysfunction-of-endothelial-progenitor-cells-role-of-endoplasmic-reticulum-stress-pathway
#18
Sheng Ye, Xi Zhou, Jiafeng Lin, Peng Chen
Asymmetric dimethylarginine (ADMA), an inhibitor of nitric oxide synthase, is a novel risk factor of cardiovascular disease. Endothelial progenitor cells (EPCs) bear typical endothelial characteristics and are thought to contribute to neovascularization by providing new endothelial cells (ECs) after arterial injury. Many studies have shown that ADMA can induce EPC apoptosis and dysfunction, but the underlying mechanism is not well understood. EPCs from umbilical cord blood were cultured in EGM-2 medium with particular growth factors and supplemented with 10% fetal bovine serum...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28573188/a-hyper-crosslinked-carbohydrate-polymer-scaffold-facilitates-lineage-commitment-and-maintains-a-reserve-pool-of-proliferating-cardiovascular-progenitors
#19
Jonathan M Baio, Ryan C Walden, Tania I Fuentes, Charles C Lee, Nahidh W Hasaniya, Leonard L Bailey, Mary K Kearns-Jonker
BACKGROUND: Cardiovascular progenitor cells (CPCs) have been cultured on various scaffolds to resolve the challenge of cell retention after transplantation and to improve functional outcome after cell-based cardiac therapy. Previous studies have reported successful culture of fully differentiated cardiomyocytes on scaffolds of various types, and ongoing efforts are focused on optimizing the mix of cardiomyocytes and endothelial cells as well as on the identification of a source of progenitors capable of reversing cardiovascular damage...
May 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28562647/impact-of-adipose-tissue-or-umbilical-cord-derived-mesenchymal-stem-cells-on-the-immunogenicity-of-human-cord-blood-derived-endothelial-progenitor-cells
#20
Kefang Tan, Ke Zheng, Daiye Li, Haiyuan Lu, Siqi Wang, Xuan Sun
The application of autologous endothelial progenitor cell (EPC) transplantation is a promising approach in therapeutic cardiovascular diseases and ischemic diseases. In this study, we compared the immunogenicity of EPCs, adipose tissue (AD)-derived mesenchymal stem cells (MSCs) and umbilical cord (UC)-derived MSCs by flow cytometry and the mixed lymphocyte reaction. The impact of AD-MSCs and UC-MSCs on the immunogenicity of EPCs was analyzed by the mixed lymphocyte reaction and cytokine secretion in vitro and was further tested by allogenic peripheral blood mononuclear cell (PBMC) induced immuno-rejection on a cell/matrigel graft in an SCID mouse model...
2017: PloS One
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