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vsmc differentiation

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https://www.readbyqxmd.com/read/28816361/msel-1l-deficiency-affects-vasculogenesis-and-neural-stem-cell-lineage-commitment
#1
Cardano M, Diaferia G R, Conti L, Baronchelli S, Sessa A, Broccoli V, Barbieri A, De Blasio P, Biunno I
mSEL-1L is a highly conserved ER-resident type I protein, involved in the degradation of misfolded peptides through the ubiquitin-proteasome system (UPS), a pathway known to control the plasticity of the vascular smooth muscle cells (VSMC) phenotype and survival. In this article we demonstrate that mSEL-1L deficiency interferes with the murine embryonic vascular network, showing particular irregularities in the intracranic and intersomitic neurovascular units and in the cerebral capillary microcirculation. During murine embryogenesis, mSEL-1L is expressed in cerebral areas known to harbor progenitor neural cells, while in the adult brain the protein is specifically restricted to the stem cell niches, co-localizing with Sox2 and Nestin...
August 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28713961/adipose-differentiation%C3%A2-related-protein-knockdown-inhibits-vascular-smooth-muscle-cell-proliferation-and-migration-and-attenuates-neointima-formation
#2
Haomin Zhao, Tao Han, Xin Hong, Dajun Sun
Vascular smooth muscle cells (VSMCs) have an important role in atherosclerosis development. Evidence has demonstrated that adipose differentiation‑related protein (ADRP) is associated with foam cell formation and atherosclerosis progression. However, to the best of our knowledge, no previous studies have investigated the role of ADRP knockdown in platelet‑derived growth factor (PDGF)‑stimulated proliferation and migration of VSMCs in vitro. Furthermore, the effect of ADRP knockdown on neointima formation in vivo remains unclear...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28659610/upregulation-of-arylsulfatase-b-in-carotid-atherosclerosis-is-associated-with-symptoms-of-cerebral-embolization
#3
Erik Biros, Corey S Moran, Jane Maguire, Elizabeth Holliday, Christopher Levi, Jonathan Golledge
The aim of this study was to identify genes for which the expression within carotid atherosclerosis was reproducibly associated with the symptoms of cerebral embolization. Two publically available microarray datasets E-MEXP-2257 and GSE21545 were analysed using GeneSpring 11.5. The two datasets utilized a total of 22 and 126 carotid atherosclerosis samples, obtained from patients with and without symptoms of cerebral embolization, respectively. To assess whether the findings were reproducible we analysed carotid atherosclerosis samples from another 8 patients with and 7 patients without symptoms of cerebral embolization using real-time PCR...
June 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28659168/gene-expression-profiles-and-signaling-mechanisms-in-%C3%AE-2b-adrenoceptor-evoked-proliferation-of-vascular-smooth-muscle-cells
#4
Anna Huhtinen, Vesa Hongisto, Asta Laiho, Eliisa Löyttyniemi, Dirk Pijnenburg, Mika Scheinin
BACKGROUND: α2-adrenoceptors are important regulators of vascular tone and blood pressure. Regulation of cell proliferation is a less well investigated consequence of α2-adrenoceptor activation. We have previously shown that α2B-adrenoceptor activation stimulates proliferation of vascular smooth muscle cells (VSMCs). This may be important for blood vessel development and plasticity and for the pathology and therapeutics of cardiovascular disorders. The underlying cellular mechanisms have remained mostly unknown...
June 28, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/28655510/collagen-xiv-and-a-related-recombinant-fragment-protect-human-vascular-smooth-muscle-cells-from-calcium-phosphate-induced-osteochondrocytic-transdifferentiation
#5
Christian Freise, Veronika Bobb, Uwe Querfeld
Transdifferentiation of vascular smooth muscle cells (VSMC) promotes the development of vascular calcifications such as arteriosclerosis. The aim was to investigate effects of specific extracellular matrix (ECM) components on transdifferentiation of VSMC to identify novel ECM-based therapeutic tools. Human collagens I & IV (CI, CIV) along with collagen XIV (CXIV) and a CXIV-derived fragment (CXIV-F), both of which induce differentiation, were applied in an in-vitro model of calcium-/phosphate (Ca/P)-induced osteochondrocytic transdifferentiation of human and murine VSMC...
June 24, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28644441/micrornas-143-and-145-induce-epithelial-to-mesenchymal-transition-and-modulate-the-expression-of-junction-proteins
#6
Lidia Avalle, Danny Incarnato, Aurora Savino, Marta Gai, Francesca Marino, Sara Pensa, Isaia Barbieri, Michael B Stadler, Paolo Provero, Salvatore Oliviero, Valeria Poli
Transforming growth factor (TGF)-β is one of the major inducers of epithelial to mesenchymal transition (EMT), a crucial program that has a critical role in promoting carcinoma's metastasis formation. MicroRNAs-143 and -145, which are both TGF-β direct transcriptional targets, are essential for the differentiation of vascular smooth muscle cells (VSMC) during embryogenesis, a TGF-β-dependent process reminiscent of EMT. Their role in adult tissues is however less well defined and even ambiguous, as their expression was correlated both positively and negatively with tumor progression...
June 23, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28629252/study-of-composite-vascular-scaffold-combining-with-differentiated-vsmc-and-vec-like-cells-in%C3%A2-vitro-and-in%C3%A2-vivo
#7
Xuqian Liu, Jie Wang, Fusheng Dong, Peng Song, Hexiang Li, Yali Hou
Although research into the tissue engineering of vessels has proceeded at a tremendous pace, many deficiencies still need to be resolved. A well-adopted constructed vessel requires both functional and structural properties to stimulate the native vessel and resist stress and tension in vivo. In the present study, we developed a novel three-layer composite vascular scaffold consisting of differentiated vascular smooth muscle cell-, vascular endothelial cell-like cells, and a rabbit acellular vascular matrix (ACVM)-0...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28589900/mir-26a-contributes-to-the-pdgf-bb-induced-phenotypic-switch-of-vascular-smooth-muscle-cells-by-suppressing-smad1
#8
Xiaoyan Yang, Mei Dong, Hao Wen, Xiaoling Liu, Meng Zhang, Lianyue Ma, Cheng Zhang, Xiaorong Luan, Huixia Lu, Yun Zhang
The phenotypic switch of vascular smooth muscle cells (VSMCs) is a key event in the pathogenesis of various vascular diseases, such as atherosclerosis and post-angioplasty restenosis. Small non-coding microRNAs (miRNAs) have emerged as critical modulators of VSMC function. In the present study, miR-26a was significantly increased in cultured VSMCs stimulated by platelet-derived growth factor-BB (PDGF-BB) and in arteries with neointimal lesion formation. Moreover, we demonstrated that miR-26a regulates the expression of VSMC differentiation marker genes such as α-smooth muscle actin (α-SMA), calponin and smooth muscle myosin heavy chain (SM-MHC) in PDGF-BB-treated VSMCs...
May 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28581256/taz-is-involved-in-transcriptional-complexes-regulating-smooth-muscle-cell-differentiation
#9
Eyal Bengal
TGFβ signaling plays an important role in the differentiation of vascular smooth muscle cells (VSMCs), yet the mechanism remains largely unknown. The study by Pagiatakis et al. identifies the transcriptional coactivator TAZ as a mediator of TGFβ signaling in VSMC-specific transcription. TAZ is involved in the formation of stable ternary complexes of SRF/Myocardin on CArG elements that are required for the transcription of VSMC structural genes.
June 2017: FEBS Journal
https://www.readbyqxmd.com/read/28572685/vegf-a-stimulates-stat3-activity-via-nitrosylation-of-myocardin-to-regulate-the-expression-of-vascular-smooth-muscle-cell-differentiation-markers
#10
Xing Hua Liao, Yuan Xiang, Hui Li, De Liang Zheng, Yao Xu, Cheng Xi Yu, Jia Peng Li, Xiao Yu Zhang, Wei Bin Xing, Dong Sun Cao, Le Yuan Bao, Tong Cun Zhang
Vascular endothelial growth factor A (VEGF-A) is a pivotal player in angiogenesis. It is capable of influencing such cellular processes as tubulogenesis and vascular smooth muscle cell (VSMC) proliferation, yet very little is known about the actual signaling events that mediate VEGF-A induced VSMC phenotypic switch. In this report, we describe the identification of an intricate VEGF-A-induced signaling cascade that involves VEGFR2, STAT3, and Myocardin. We demonstrate that VEGF-A promotes VSMC proliferation via VEGFR2/STAT3-mediated upregulating the proliferation of markers like Cyclin D1 and PCNA...
June 1, 2017: Scientific Reports
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
#11
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
#12
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...
June 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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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)...
June 15, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28342289/tgf%C3%AE-taz-srf-signalling-regulates-vascular-smooth-muscle-cell-differentiation
#19
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
#20
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
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