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vsmc differentiation

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https://www.readbyqxmd.com/read/28526936/fingerprint-of-long-non-coding-rna-regulated-by-cyclic-mechanical-stretch-in-human-aortic-smooth-muscle-cells-implications-for-hypertension
#1
Laura-Eve Mantella, Krishna K Singh, Paul Sandhu, Crystal Kantores, Azza Ramadan, Nadiya Khyzha, Adrian Quan, Mohammed Al-Omran, Jason E Fish, Robert P Jankov, Subodh Verma
Emerging evidence suggests that long non-coding RNAs (lncRNAs) represent a cellular hub coordinating various cellular processes that are critical in health and disease. Mechanical stress triggers changes in vascular smooth muscle cells (VSMCs) that in turn contribute to pathophysiological changes within the vasculature. We sought to evaluate the role that lncRNAs play in mechanical stretch-induced alterations of human aortic smooth muscle cells (HASMCs). RNA (lncRNA and mRNA) samples isolated from HASMCs that had been subjected to 10 or 20% elongation (1 Hz) for 24 h were profiled with the Arraystar Human LncRNA Microarray V3...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28473445/estrogen-receptor-control-of-atherosclerotic-calcification-and-smooth-muscle-cell-osteogenic-differentiation
#2
Lucinda S McRobb, Kristine C Y McGrath, Tania Tsatralis, Eleanore C Liong, Joanne T M Tan, Gillian Hughes, David J Handelsman, Alison K Heather
OBJECTIVE: Vascular calcification is associated with increased risk of myocardial infarction and stroke. The objective of this work was to examine the ability of 17β-estradiol (E2) to stimulate calcification of vascular smooth muscle cells (VSMC) in vivo, using aged apolipoprotein E-null mice with advanced atherosclerotic lesions, and subsequently to explore underlying mechanisms in vitro. APPROACH AND RESULTS: Silastic E2 capsules were implanted into male and female apolipoprotein E-null mice aged 34 weeks...
May 4, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28456475/advanced-glycation-end-products-and-strontium-ranelate-promote-osteogenic-differentiation-of-vascular-smooth-muscle-cells-in%C3%A2-vitro-preventive-role-of-vitamin-d
#3
María Silvina Molinuevo, Juan Manuel Fernández, Ana María Cortizo, Antonio Desmond McCarthy, León Schurman, Claudia Sedlinsky
Advanced glycation end products (AGE) have been demonstrated to induce the osteogenic trans-differentiation of vascular smooth muscle cells (VSMC). Strontium ranelate (SR) is an anti-osteoporotic agent that has both anti-catabolic and anabolic actions on bone tissue. However, in the last years SR has been associated with an increase of cardiovascular risk. We hypothesize that SR can increase the osteoblastic trans-differentiation of VSMC and the induction of extracellular calcifications, an effect that could be potentiated in the presence of AGE and inhibited by simultaneous administration of vitamin D...
April 26, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28424290/skin-derived-precursors-from-human-subjects-with-type-2-diabetes-yield-dysfunctional-vascular-smooth-muscle-cells
#4
Sarah Katherina Steinbach, Terrence M Yau, Maral Ouzounian, Husam Abdel-Qadir, Mark Chandy, Thomas Waddell, Mansoor Husain
Objective: Few methods enable molecular and cellular studies of vascular aging or type-2 diabetes (T2D). Here we report a new approach to studying human vascular smooth muscle cell (VSMC) pathophysiology by examining VSMCs differentiated from progenitors found in skin. Approach and Results: Skin-derived precursors (SKPs) were cultured from biopsies (N=164, ~1 cm(2)) taken from the edges of surgical incisions of older adults (N=158; males 72%; mean age 62.7±13 years) undergoing cardiothoracic surgery, and differentiated into VSMCs at high efficiency (>80% yield)...
April 19, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28413470/identification-of-genes-associated-with-the-effect-of-inflammation-on-the-neurotransmission-of-vascular-smooth-muscle-cell
#5
Shujie Gan, Shenlong Qiu, Yiwen Feng, Yanping Zhang, Qin Qian, Zhong Wan, Jingdong Tang
Vascular smooth muscle cell (VSMC) accumulation and hypertrophy are common in vascular disorders, and inflammation has a crucial role in the development of these diseases. To investigate the effect of inflammation on the neurotransmission of VSMC, bioinformatic analysis was performed, following next generation sequencing. Genes of lipopolysaccharide (LPS)-treated A7r5 cells and phosphate-buffered saline (PBS)-treated A7r5 cells were sequenced via next generation sequencing, and each assay was repeated three times...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28386356/folic-acid-inhibits-dedifferentiation-of-pdgf-bb-induced-vascular-smooth-muscle-cells-by-suppressing-mtor-p70s6k-signaling
#6
Sunlei Pan, Hui Lin, Hangqi Luo, Feidan Gao, Liping Meng, Changzuan Zhou, Chengjian Jiang, Yan Guo, Zheng Ji, Jufang Chi, Hangyuan Guo
OBJECTIVE: Folic acid (FA) supplementation reduces the risk of atherosclerosis and stroke. Phenotypic change from differentiated to dedifferentiated vascular smooth muscle cells (VSMCs) plays an important role in atherosclerosis development; however, the exact mechanisms remain unknown. This study aimed to assess whether FA through mammalian target of rapamycin (mTOR)/P70S6K signaling inhibits platelet derived growth factor (PDGF-BB) induced VSMC dedifferentiation. METHODS: VSMCs from primary cultures were identified by morphological observation and α-smooth muscle actin (α-SM-actin, α-SMA) immunocytochemistry...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28360226/dual-function-for-mature-vascular-smooth-muscle-cells-during-arteriovenous-fistula-remodeling
#7
Jinjing Zhao, Frances L Jourd'heuil, Min Xue, David Conti, Reynold I Lopez-Soler, Roman Ginnan, Arif Asif, Harold A Singer, David Jourd'heuil, Xiaochun Long
BACKGROUND: The arteriovenous fistula (AVF) is the preferred form of hemodialysis access for patients with chronic kidney disease. However, AVFs are associated with significant problems including high incidence of both early and late failures, usually attributed to inadequate venous arterialization and neointimal hyperplasia, respectively. Understanding the cellular basis of venous remodeling in the setting of AVF could provide targets for improving AVF patency rates. METHODS AND RESULTS: A novel vascular smooth muscle cell (VSMC) lineage tracing reporter mouse, Myh11-Cre/ERT2-mTmG, was used to track mature VSMCs in a clinically relevant AVF mouse model created by a jugular vein branch end to carotid artery side anastomosis...
March 30, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28351290/keratose-hydrogels-promote-vascular-smooth-muscle-differentiation-from-c-kit-positive-human-cardiac-stem-cells
#8
Benjamin T Ledford, Jamelle Simmons, Miao Chen, Huimin Fan, Catherine Barron, Zhongmin Liu, Mark Van Dyke, Jia-Qiang He
Stem cell-based therapies have demonstrated great potential for the treatment of cardiac diseases, for example, myocardial infarction; however, low cell viability, low retention/engraftment, and uncontrollable in vivo differentiation after transplantation are still major limitations, which lead to low therapeutic efficiency. Biomaterials provide a promising solution to overcome these issues due to their biocompatibility, biodegradability, low/nonimmunogenicity, and low/noncytotoxicity. The present study aimed to investigate the impacts of keratose (KOS) hydrogel biomaterial on cellular viability, proliferation, and differentiation of c-kit(+) human cardiac stem cells (hCSCs)...
April 24, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28342289/tgf%C3%AE-taz-srf-signalling-regulates-vascular-smooth-muscle-cell-differentiation
#9
Christina Pagiatakis, Dandan Sun, Stephanie W Tobin, Tetsuaki Miyake, John C McDermott
Vascular smooth muscle cells (VSMCs) do not terminally differentiate; they modulate their phenotype between proliferative and differentiated states, which is a major factor contributing to vascular diseases. TGFβ signalling has been implicated in inducing VSMC differentiation, although the exact mechanism remains largely unknown. Our goal was to assess the network of transcription factors involved in the induction of VSMC differentiation, and to determine the role of TAZ in promoting the quiescent VSMC phenotype...
March 25, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28258189/selective-expression-of-tspan2-in-vascular-smooth-muscle-is-independently-regulated-by-tgf-%C3%AE-1-smad-and-myocardin-serum-response-factor
#10
Jinjing Zhao, Wen Wu, Wei Zhang, Yao Wei Lu, Emiley Tou, Jiemei Ye, Ping Gao, David Jourd'heuil, Harold A Singer, Mingfu Wu, Xiaochun Long
Tetraspanins (TSPANs) comprise a large family of 4-transmembrane domain proteins. The importance of TSPANs in vascular smooth muscle cells (VSMCs) is unexplored. Given that TGF-β1 and myocardin (MYOCD) are potent activators for VSMC differentiation, we screened for TGF-β1 and MYOCD/serum response factor (SRF)-regulated TSPANs in VSMC by using RNA-seq analyses and RNA-arrays. TSPAN2 was found to be the only TSPAN family gene induced by TGF-β1 and MYOCD, and reduced by SRF deficiency in VSMCs. We also found that TSPAN2 is highly expressed in smooth muscle-enriched tissues and down-regulated in in vitro models of VSMC phenotypic modulation...
March 3, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28255538/porphyromonas-gingivalis-derived-outer-membrane-vesicles-promote-calcification-of-vascular-smooth-muscle-cells-through-erk1-2-runx2
#11
Wen Wei Yang, Bin Guo, Wen Yuan Jia, Yue Jia
The outer membrane vesicle (OMV) derived from Porphyromonas gingivalis plays an essential role in causing inflammation which, in turn, plays an important part in the pathogenesis of cardiovascular diseases such as atherosclerosis and thromboembolism. However, the contribution of oral bacteria to vascular calcification is yet to be determined. Here, we evaluated the effect of OMV on vascular smooth muscle cell (VSMC) calcification both in vitro and ex vivo. We established a reproducible P. gingivalis OMV-induced differentiation and calcification model of VSMCs in vitro...
December 2016: FEBS Open Bio
https://www.readbyqxmd.com/read/28186995/microrna-214-regulates-smooth-muscle-cell-differentiation-from-stem-cells-by-targeting-rna-binding-protein-qki
#12
Yutao Wu, Zhoubin Li, Mei Yang, Bing Dai, Feng Hu, Feng Yang, Jianhua Zhu, Ting Chen, Li Zhang
MicroRNA-214(miR-214) has been recently reported to regulate angiogenesis and embryonic stem cells (ESCs) differentiation. However, very little is known about its functional role in vascular smooth muscle cells (VSMCs) differentiation from ESCs. In the present study, we assessed the hypothesis that miR-214 and its target genes play an important role in VSMCs differentiation. Murine ESCs were seeded on collagen-coated flasks and cultured in differentiation medium for 2 to 8 days to allow VSMCs differentiation...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28171827/vascular-inflammation-and-media-calcification-are-already-present-in-early-stages-of-chronic-kidney-disease
#13
Kerstin Benz, Ildiko Varga, Daniel Neureiter, Valentina Campean, Christoph Daniel, Christian Heim, Albrecht Reimann, Michael Weyand, Karl F Hilgers, Kerstin Amann
BACKGROUND: While patients with chronic kidney disease (CKD) have a high prevalence of classical coronary risk factors, there is increasing evidence that atherosclerosis is different in renal compared to nonrenal patients. Therefore, the present study compares changes in different vessels obtained at cardiac surgery between patients with early and advanced CKD and nonrenal control patients. METHODS AND RESULTS: Fifty patients undergoing cardiac bypass surgery were divided into three groups: (i) 24 control patients with creatinine <1...
March 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28167124/p38-mapk-signaling-pathway-mediates-angiotensin-ii-induced-mir143-145-gene-cluster-downregulation-during-aortic-dissection-formation
#14
Bowen Li, Zhiwei Wang, Zhipeng Hu, Min Zhang, Zongli Ren, Zhen Zhou, Jizhen Huang, Xiaoping Hu
BACKGROUND: We endeavored to prove that angiotensin II (Ang II) regulates both the expression of micro-RNA143/145 (miR143/145) and differentiation of vascular smooth muscle cells (VSMCs) during the formation of aortic dissection (AD). We also studied the contribution of p38 mitogen-activated protein kinase (MAPK) signaling pathway toward this process. METHODS: Ascending aortic tissues were harvested from the patients with AD and organ donors. Tissues were immunostained with labeled antibodies targeting p38 MAPK, phospho-p38 MAPK, alpha-smooth muscle actin (α-SMA), and osteopontin (OPN)...
February 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28150521/drug-repurposing-and-therapeutic-anti-microrna-predictions-for-inhibition-of-oxidized-low-density-lipoprotein-induced-vascular-smooth-muscle-cell-associated-diseases
#15
Shun-Tsung Chen, Chien-Hung Huang, Victor C Kok, Chi-Ying F Huang, Jin-Shuei Ciou, Jeffrey J P Tsai, Nilubon Kurubanjerdjit, Ka-Lok Ng
Drug repurposing is a new method for disease treatments, which accelerates the identification of new uses for existing drugs with minimal side effects for patients. MicroRNA-based therapeutics are a class of drugs that have been used in gene therapy following the FDA's approval of the first anti-sense therapy. This study examines the effects of oxLDL on vascular smooth muscle cells (VSMCs) and identifies potential drugs and antimiRs for treating VSMC-associated diseases. The Connectivity Map (cMap) database is utilized to identify potential new uses of existing drugs...
February 2017: Journal of Bioinformatics and Computational Biology
https://www.readbyqxmd.com/read/28107746/induced-differentiation-of-human-gingival-fibroblasts-into-vsmc-like-cells
#16
Xuqian Liu, Jie Wang, Fusheng Dong, Hexiang Li, Yali Hou
Vascular smooth muscle cells (VSMCs) are major component of the vascular wall, and they play an essential role in maintaining the basic physiological function and stable structure of the vascular wall. In the present study, human gingival fibroblasts (HGFs) were cultured and induced into VSMC-like cells in vitro to confirm that HGFs with properties of stem cells have the potential for differentiation. The epithelium isolated from patients was extracted from normal human gingiva consisting of epithelium and connective tissue...
January 17, 2017: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/28088345/phenotypic-characterization-of-perivascular-myoid-cell-neoplasms-using-myosin-1b-a-newly-identified-human-pericyte-marker
#17
COMPARATIVE STUDY
Shiori Meguro, Taisuke Akamatsu, Sayomi Matsushima, Isao Kosugi, Hideya Kawasaki, Yoshifumi Arai, Satoshi Baba, Takashi Tsuchida, Yoji Shido, Takafumi Suda, Toshihide Iwashita
Our aims were to identify pericyte-specific markers for the analysis of formalin-fixed, paraffin-embedded human tissue samples, and to characterize perivascular myoid cell neoplasms phenotypically. Previously identified pericyte markers failed to distinguish pericytes from other cellular types, such as vascular smooth muscle cells (vSMCs) and fibroblasts, in immunohistochemistry analysis. However, we compared gene expression profiles between pericytes, vSMCs, and fibroblasts, and performed human skin vasculature immunohistochemistry analysis, which led to the identification of myosin 1B (MYO1B) as a novel pericyte marker...
April 2017: Human Pathology
https://www.readbyqxmd.com/read/28072480/free-fatty-acids-induce-autophagy-and-lox-1-upregulation-in-cultured-aortic-vascular-smooth-muscle-cells
#18
Cheng-I Cheng, Yueh-Hong Lee, Po-Han Chen, Yu-Chun Lin, Ming-Huei Chou, Ying-Hsien Kao
Elevation of free fatty acids (FFAs) is known to affect microvascular function and contribute to obesity-associated insulin resistance, hypertension, and microangiopathy. Proliferative and synthetic vascular smooth muscle cells (VSMCs) increase intimal thickness and destabilize atheromatous plaques. This study aimed to investigate whether saturated palmitic acid (PA) and monounsaturated oleic acid (OA) modulate autophagy activity, cell proliferation, and vascular tissue remodeling in an aortic VSMC cell line...
May 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28038380/the-p2y2-nucleotide-receptor-is-an-inhibitor-of-vascular-calcification
#19
Shaomin Qian, Jenna N Regan, Maxwell T Shelton, April Hoggatt, Khalid S Mohammad, Paul B Herring, Cheikh I Seye
BACKGROUND AND AIMS: Mutations in the 5'-nucleotidase ecto (NT5E) gene that encodes CD73, a nucleotidase that converts AMP to adenosine, are linked to arterial calcification. However, the role of purinergic receptor signaling in the pathology of intimal calcification is not well understood. In this study, we examined whether extracellular nucleotides acting via P2Y2 receptor (P2Y2R) modulate arterial intimal calcification, a condition highly correlated with cardiovascular morbidity. METHODS: Apolipoprotein E, P2Y2R double knockout mice (ApoE(-/-)P2Y2R(-/-)) were used to determine the effect of P2Y2R deficiency on vascular calcification in vivo...
February 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28004064/-secondary-hyperuricemia-in-chronic-renal-failure-promotes-vascular-calcification-in-rats
#20
Zhe Song, Yang Zhao, Xian Wang, Ming-Jiang Xu
The present study was aimed to explore the effects of hyperuricemia on vascular calcification in chronic renal failure (CRF) and the mechanisms. Adenine diet-induced CRF rat model was used. Twenty-three male 8-week-old Wistar rats were randomly divided into control group (Ctr, n = 5), CRF group (n = 8) and CRF plus allopurinol group (CRF + ALL, n = 10), and the rats were given standard diet plus standard drinking water, adenine diet plus standard drinking water and adenine diet plus allopurinol drinking for 6 weeks, respectively...
December 25, 2016: Sheng Li Xue Bao: [Acta Physiologica Sinica]
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