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Vascular smooth muscle cells

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https://www.readbyqxmd.com/read/28635361/role-of-licochalcone-a-in-vegf-induced-proliferation-of-human-airway-smooth-muscle-cells-implications-for-asthma
#1
Sung-Ho Kim, Qing-Mei Pei, Ping Jiang, Min Yang, Xue-Jiao Qian, Jiang-Bo Liu
Asthma is a chronic respiratory disease characterized by reversible airway obstruction with persistent airway inflammation and airway remodeling, which is associated with increased airway smooth muscle (ASM) mass. Licochalcone A is the predominant characteristic chalcone in licorice root. We found that licochalcone A inhibited vascular endothelial growth factor (VEGF)-induced ASM cell proliferation and induced cell cycle arrest. Additionally, VEGF-induced ASM cell proliferation was suppressed via inhibition of extracellular signal-regulated kinase 1/2 (ERK1/2) activity, but not that of Akt...
February 2017: Growth Factors
https://www.readbyqxmd.com/read/28634267/30-years-of-the-mineralocorticoid-receptor-the-role-of-the-mineralocorticoid-receptor-in-the-vasculature
#2
REVIEW
Jennifer J DuPont, Iris Z Jaffe
Since the mineralocorticoid receptor (MR) was cloned 30 years ago, it has become clear that MR is expressed in extra-renal tissues, including the cardiovascular system, where it is expressed in all cells of the vasculature. Understanding the role of MR in the vasculature has been of particular interest as clinical trials show that MR antagonism improves cardiovascular outcomes out of proportion to changes in blood pressure. The last 30 years of research have demonstrated that MR is a functional hormone-activated transcription factor in vascular smooth muscle cells and endothelial cells...
July 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28634089/wedelolactone-a-plant-coumarin-prevents-vascular-smooth-muscle-cell-proliferation-and-injury-induced-neointimal-hyperplasia-through-akt-and-ampk-signaling
#3
Lu Peng, Xuefeng Huang, Xin Jin, Zuo Jing, Lichao Yang, Yu Zhou, Jie Ren, Yun Zhao
Wedelolactone (WDL) is a natural compound derived from Chinese herbal medicine Eclipta prostrate L, and has been reported to exhibit various effects potentially beneficial for human health. However, the possible preventive effects of WDL toward vascular remodeling and mechanisms involved have not been investigated to date. In this study, we investigated the effects of WDL on proliferation induced by platelet-derived growth factor (PDGF) in primary rat aortic smooth muscle cells (VSMCs) and on neointimal hyperplasia resulted from balloon injury in rats...
June 17, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28633129/inhibition-effect-of-tacrolimus-and-platelet-derived-growth-factor-bb-on-restenosis-after-vascular-intimal-injury
#4
Xu Ma, Chunyu Jiang, Yuehua Li, Lishuai Feng, Jingjing Liu, Jianbo Wang
Excessive proliferation and migration of vascular smooth muscle cells(VSMCs) and delayed proliferation and migration of endothelial cells(ECs) were the main cause of restenosis after endovascular interventional therapy. Since tacrolimus has proved to be more sensitive to inhibiting VSMCs' proliferation,and platelet-derived growth factor-BB(PDGF-BB) benefitted ECs' and VSMCs' proliferation, this study was aimed to identify combined effect of tacrolimus and PDGF-BB, investigate any mechanisms underneath and demonstrate combined effect of two drugs in vivo...
June 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28631712/-the-molecular-mechanisms-and-morphological-manifestations-of-leiomyoma-reduction-induced-by-selective-progesterone-receptor-modulators
#5
T A Demura, Z V Revazova, E A Kogan, L V Adamyan
AIM: to investigate the molecular mechanisms and morphological substrate of reduced uterine leiomyoma in patients receiving the selective progesterone receptor modulator (SPRM) ulipristal acetate for 3 months, by estimating the immunohistochemical expression of the markers steroid receptor coactivator 1 (SRC-1), nuclear receptor corepressor 1 (NCoR-1), ER, PgR, Ki-67, p16, TGF-β, and VEGF in tumor tissue. SUBJECTS AND METHODS: The investigation enrolled 75 women with uterine leiomyoma, menorrhagias, and anemia...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28631648/leiomyosarcoma-of-inferior-vena-cava-with-intracardiac-extension-presenting-as-budd-chiari-syndrome-report-of-a-rare-case
#6
Kaniyappan Nambiyar, Arvind Ahuja, Minakshi Bhardwaj
Primary leiomyosarcoma of vascular origin is a rare malignant smooth muscle tumor. This report describes a case of primary leiomyosarcoma of the inferior vena cava (IVC) in a 52-year-old male who presented with complaints of abdominal pain, chest pain, and bilateral lower limb swelling for 4 months. Imaging of the chest and abdomen revealed a mass in the IVC extending into right atrium, heterogeneous enhancement of liver, hepatosplenomegaly, and ascites. Histopathological examination showed a malignant spindle cell tumor with cells arranged in fascicular and hemangiopericytomatous pattern...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28631251/regulation-of-cardiac-myocyte-cell-death-and-differentiation-by-myocardin
#7
REVIEW
Joseph W Gordon
Myocardin is a cardiac- and smooth muscle-enriched transcriptional co-activator that was originally described as an interacting partner of the serum response factor. Shortly after myocardin's discovery, a wealth of published literature described the role of myocardin as a regulator of smooth muscle differentiation and phenotype modulation, while gene-targeting studies confirmed the essential role of myocardin in vascular development. More recently, myocardin has been implicated as an important regulator of cardiac myocyte differentiation in studies demonstrating direct programming of fibroblasts towards the cardiac lineage...
June 19, 2017: Molecular and Cellular Biochemistry
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
#8
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/28628273/exposure-of-induced-pluripotent-stem-cell-derived-vascular-endothelial-and-smooth-muscle-cells-in-coculture-to-hemodynamics-induces-primary-vascular-cell-like-phenotypes
#9
Maria S Collado, Banumathi K Cole, Robert A Figler, Mark Lawson, David Manka, Michael B Simmers, Steve Hoang, Felipe Serrano, Brett R Blackman, Sanjay Sinha, Brian R Wamhoff
Human induced pluripotent stem cells (iPSCs) can be differentiated into vascular endothelial (iEC) and smooth muscle (iSMC) cells. However, because iECs and iSMCs are not derived from an intact blood vessel, they represent an immature phenotype. Hemodynamics and heterotypic cell:cell communication play important roles in vascular cell phenotypic modulation. Here we tested the hypothesis that hemodynamic exposure of iECs in coculture with iSMCs induces an in vivo-like phenotype. iECs and iSMCs were cocultured under vascular region-specific blood flow hemodynamics, and compared to hemodynamic cocultures of blood vessel-derived endothelial (pEC) and smooth muscle (pSMC) cells...
June 19, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28627872/xanthohumol-blocks-proliferation-and-migration-of-vascular-smooth-muscle-cells-in-vitro-and-reduces-neointima-formation-in-vivo
#10
Rongxia Liu, Elke H Heiss, Daniel Schachner, Baohong Jiang, Wanhui Liu, Johannes M Breuss, Verena M Dirsch, Atanas G Atanasov
Xanthohumol (1) is a principal prenylated chalcone found in hops. The aim of this study was to examine its influence on platelet-derived growth factor (PDGF)-BB-triggered vascular smooth muscle cell (VSMC) proliferation and migration in vitro and on experimentally induced neointima formation in vivo. Quantification of resazurin conversion indicated that 1 can inhibit PDGF-BB-induced VSMC proliferation concentration-dependently (IC50 = 3.49 μM). Furthermore, in a wound-healing assay 1 potently suppresses PDGF-BB-induced VSMC migration at 15 μM...
June 19, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28627661/altered-expression-of-ppar%C3%A2-%C3%AE-and-trpc-in-neonatal-rats-with-persistent-pulmonary-hypertension
#11
Yanna Du, Jianhua Fu, Li Yao, Lin Qiao, Na Liu, Yujiao Xing, Xindong Xue
Persistent pulmonary hypertension of the newborn (PPHN) is a life‑threatening disease that is commonly observed in the neonatal intensive care unit. PPHN is pathologically characterized by pulmonary vascular remodeling and, in particular, pulmonary artery smooth muscle cell (PASMC) proliferation. Decreased expression levels of peroxisome proliferator‑activated receptor γ (PPAR‑γ), which is a member of the nuclear receptor hormone superfamily, in combination with elevated expressions of transient receptor potential cation channel, subfamily C, member 1 (TRPC1) and TRPC6 contributes to the PASMC proliferation and excessive pulmonary vascular remodeling in adult pulmonary hypertension (PH)...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626633/mediastinal-hemangioendothelioma-case-report-and-review-of-the-literature
#12
Davide Patrini, Laura Scolamiero, Reena Khiroya, David Lawrence, Elaine Borg, Martin Hayward, Nikolaos Panagiotopoulos
BACKGROUND: Epithelioid haemangioendothelioma (EHE) is a rare low-grade vascular neoplasm that can arise in the lung, liver, soft tissues or, less commonly, bone. Due to its low prevalence of less than one in a million and its non-specific clinical features, EHE is often misdiagnosed and managed inappropriately. Here we discuss the case of a 58 year-old gentleman with mediastinal EHE and review existing literature on pulmonary EHE (PEH). CASE HISTORY: A 58 year-old gentleman presented to our outpatient Clinic with chest discomfort and palpitations...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28626608/c-kit-modifies-the-inflammatory-status-of-smooth-muscle-cells
#13
Lei Song, Laisel Martinez, Zachary M Zigmond, Diana R Hernandez, Roberta M Lassance-Soares, Guillermo Selman, Roberto I Vazquez-Padron
BACKGROUND: c-Kit is a receptor tyrosine kinase present in multiple cell types, including vascular smooth muscle cells (SMC). However, little is known about how c-Kit influences SMC biology and vascular pathogenesis. METHODS: High-throughput microarray assays and in silico pathway analysis were used to identify differentially expressed genes between primary c-Kit deficient (Kit(W/W-v)) and control (Kit(+/+)) SMC. Quantitative real-time RT-PCR and functional assays further confirmed the differences in gene expression and pro-inflammatory pathway regulation between both SMC populations...
2017: PeerJ
https://www.readbyqxmd.com/read/28625921/binding-of-coronin-1b-to-t%C3%AE-ri-negatively-regulates-the-tgf%C3%AE-1-signaling-pathway
#14
Geun-Young Kim, Hyun-Joung Lim, Hyun-Young Park
Coronin 1B is an actin-binding protein that regulates several actin-dependent cellular processes including migration and endocytosis. However, the role of coronin 1B in the tumor growth factor (TGF)β signaling pathway is largely unknown. Here, we investigated whether coronin 1B affects the TGFβ signaling cascade and found that coronin 1B negatively regulates the TGFβ signaling pathway. Immunoprecipitation and glutathione-S-transferase-pulldown assays revealed that coronin 1B directly associated with TGFβ receptor I (TβRI)...
June 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28625769/mechanisms-of-aortic-dissection-smooth-muscle-cell-phenotype-switch
#15
Zhao An, Yang Liu, Zhi-Gang Song, Hao Tang, Yang Yuan, Zhi-Yun Xu
OBJECTIVE: To investigate the expression of Nanog homeobox (NANOG) in thoracic aortic dissection (TAD) and the role of NANOG in regulating human aortic vascular smooth muscle cells (VSMCs) phenotype switch. METHODS: Aortic specimens were collected from 20 patients undergoing TAD and 10 controls. VSMCs were isolated by adherent cultivation approach. The expression of NANOG, osteopontin (OPN), and VSMCs phenotype markers were determined by quantitative real-time polymerase chain reaction, Western blot, immunohistochemistry, and immunofluorescence...
May 25, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28624380/plasma-phospholipids-and-sphingolipids-identify-stent-restenosis-after-percutaneous-coronary-intervention
#16
Song Cui, Kefeng Li, Lawrence Ang, Jinghua Liu, Liqian Cui, Xiantao Song, Shuzheng Lv, Ehtisham Mahmud
OBJECTIVES: The aim of this study was to evaluate the diagnostic utility of plasma metabolomic biomarkers for in-stent restenosis (ISR). BACKGROUND: ISR remains an issue for patients after percutaneous coronary intervention. Identification of biomarkers to predict ISR could be invaluable for patient care. METHODS: Next-generation metabolomic profiling was performed in the discovery phase from the plasma of 400 patients undergoing percutaneous coronary intervention...
June 7, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28624291/vascular-lysyl-oxidase-over-expression-alters-extracellular-matrix-structure-and-induces-oxidative-stress
#17
Saray Varona, Ana B García-Redondo, Jose Martínez-González, Mercedes Salaices, Ana M Briones, Cristina Rodríguez
INTRODUCTION: Lysyl oxidase (LOX) participates in the assembly of collagen and elastin fibres. The impact of vascular LOX over-expression on extracellular matrix (ECM) structure and its contribution to oxidative stress has been analysed. METHODS: Studies were conducted on mice over-expressing LOX (Tg), specifically in smooth muscle cells (VSMC). Gene expression was assessed by real-time PCR analysis. Sirius Red staining, H2O2 production and NADPH oxidase activity were analysed in different vascular beds...
June 14, 2017: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/28623279/divergent-regulation-of-actin-dynamics-and-megakaryoblastic-leukemia-1-and-2-mkl1-2-by-camp-in-endothelial-and-smooth-muscle-cells
#18
Madeleine C Smith, Claire A Hudson, Tomomi E Kimura, Stephen J White, Graciela B Sala-Newby, Andrew C Newby, Mark Bond
Proliferation and migration of vascular smooth muscle cells (VSMCs) or endothelial cell (ECs) promote or inhibit, respectively, restenosis after angioplasty, vein graft intimal thickening and atherogenesis. Here we investigated the effects of cAMP-induced cytoskeletal remodelling on the serum response factor (SRF) co-factors Megakaryoblastic Leukemia-1 and -2 (MKL1 and MKL2) and their role in controlling VSMC and EC proliferation and migration. Elevation of cAMP using forskolin, dibutyryl-cAMP (db-cAMP), BAY60-6583 or Cicaprost induced rapid cytoskeleton remodelling and inhibited proliferation and migration in VSMCs but not EC...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28623250/adamts-7-is-associated-with-a-high-risk-plaque-phenotype-in-human-atherosclerosis
#19
Eva Bengtsson, Karin Hultman, Pontus Dunér, Giuseppe Asciutto, Peter Almgren, Marju Orho-Melander, Olle Melander, Jan Nilsson, Anna Hultgårdh-Nilsson, Isabel Gonçalves
Several large-scale genome-wide association studies have identified single-nucleotide polymorphisms in the genomic region of A Disintegrin And Metalloproteinase with ThromboSpondin type 1 repeats (ADAMTS)-7 and associations to coronary artery disease. Experimental studies have provided evidence for a functional role of ADAMTS-7 in both injury-induced vascular neointima formation and development of atherosclerotic lesions. However, whether ADAMTS-7 is associated with a specific plaque phenotype in humans has not been investigated...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28621938/inhibition-of-proliferation-of-vascular-smooth-muscle-cells-by-cucurbitanes-from-momordica-charantia
#20
Nguyen Quoc Tuan, Do-Hyung Lee, Joonseok Oh, Chung Sub Kim, Kyung-Sun Heo, Chang-Seon Myung, MinKyun Na
The cucurbitaceous plant Momordica charantia L., named "bitter melon", inhabits Asia, Africa, and South America and has been used as a traditional medicine. The atypical proliferation of vascular smooth muscle cells (VSMCs) plays an important role in triggering the pathogenesis of cardiovascular diseases. Platelet-derived growth factor (PDGF) is regarded as the most powerful growth factor in promoting the intimal accumulation of VSMCs. The current study features the identification of six new cucurbitane-type triterpenoids (1-6) from the fruits of M...
June 16, 2017: Journal of Natural Products
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