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https://www.readbyqxmd.com/read/28454096/effects-of-increased-kindlin-2-expression-in-bladder-cancer-stromal-fibroblasts
#1
Jitao Wu, Cuicui Yu, Li Cai, Youyi Lu, Lei Jiang, Chu Liu, Yongwei Li, Fan Feng, Zhenli Gao, Zhe Zhu, Shengqiang Yu, Hejia Yuan, Yuanshan Cui
Kindlin-2 is a focal adhesion protein highly expressed in bladder cancer stromal fibroblasts. We investigated the prognostic significance of Kindlin-2 in bladder cancer stromal fibroblasts and evaluated the effects of Kindlin-2 on the malignant behaviors of tumor cells. Immunohistochemical staining of 203 paraffin-embedded bladder cancer tissues showed that Kindlin-2 expression correlated with advanced stage, high grade, and relapse of bladder cancer. Kaplan-Meier survival analysis demonstrated that patients exhibiting high Kindlin-2 expression had shorter survival times than those with low Kindlin-2 expression (p < 0...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28453798/caveolin-2-a-facultative-marker-of-unfavourable-prognosis-in-long-term-patency-rate-of-internal-thoracic-artery-grafts-used-in-coronary-artery-bypass-grafting-preliminary-report
#2
Agnieszka Malinska, Zuzanna Podemska, Patrycja Sujka-Kordowska, Wojciech Witkiewicz, Michal Nowicki, Bartlomiej Perek, Martin Witt
OBJECTIVES: Intimal hyperplasia leading to graft failure in patients undergoing coronary artery bypass grafting (CABG) is related to vascular smooth muscle cells (SMCs) proliferation. SMCs respond to a variety of mediators, the most important of which is platelet-derived growth factor (PDGF). The platelet-derived growth factor-induced cellular response has been shown to be mediated by caveolins. The aim of this study was to analyze CAV1-3 expression in internal thoracic artery (ITA) grafts used in CABG and correlate their expression with graft occlusion...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28453731/shear-stress-regulated-mir-27b-controls-pericyte-recruitment-by-repressing-sema6a-and-sema6d
#3
Shemsi Demolli, Anuradha Doddaballapur, Kavi Devraj, Konstantin Stark, Yosif Manavski, Annekathrin Eckart, Christoph M Zehendner, Tina Lucas, Thomas Korff, Markus Hecker, Steffen Massberg, Stefan Liebner, David Kaluza, Reinier A Boon, Stefanie Dimmeler
Aims: Vessel maturation involves the recruitment of mural cells such as pericytes and smooth muscle cells. Laminar shear stress is a major trigger for vessel maturation, but the molecular mechanisms by which shear stress affects recruitment of pericytes are unclear. MicroRNAs (miRs) are small non-coding RNAs, which post-transcriptionally control gene expression. The aim of the present study was to unveil the mechanism by which shear stress-regulated microRNAs contribute to vessel maturation...
May 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28449573/a-case-of-ruptured-hepatic-angiomyolipoma-in-a-young-male
#4
Sun Hwa Kim, Tae Wook Kang, Kyunghee Lim, Hyun Sung Joh, Jiseok Kang, Dong Hyun Sinn
A 31-year-old male visited a local hospital due to sudden-onset severe abdominal pain. Abdominal computed tomography revealed a solid cystic mass with a size of approximately 12 cm and exhibiting both hemorrhage and fluid collection in the pelvic cavity. Emergency angiography and embolization were performed, and a large hepatic tumor was subsequently surgically resected. The tumor cells stained positive for human melanoma black-45 and smooth-muscle actin, and the pathologic diagnosis was hepatic angiomyolipoma...
April 28, 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28449099/connexin37-reduces-smooth-muscle-cell-proliferation-and-intimal-hyperplasia-in-a-mouse-model-of-carotid-artery-ligation
#5
Florent Allagnat, Céline Dubuis, Martine Lambelet, Loïc Le Gal, Florian Alonso, Jean-Marc Corpataux, Sébastien Déglise, Jacques-Antoine Haefliger
Aim: HASH(0x5248d20) Methods and Results: HASH(0x5250108) Conclusions: HASH(0x5250270)
April 25, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28448901/tailoring-of-tio2-films-by-h2so4-treatment-and-uv-irradiation-to-improve-anticoagulant-ability-and-endothelial-cell-compatibility
#6
Yuzhen Liao, Linhua Li, Jiang Chen, Ping Yang, Ansha Zhao, Hong Sun, Nan Huang
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28448670/molecular-mechanisms-underlying-the-filtration-bleb-maintaining-effects-of-suberoylanilide-hydroxamic-acid-saha
#7
Akiko Futakuchi, Toshihiro Inoue, Tomokazu Fujimoto, Utako Kuroda, Miyuki Inoue-Mochita, Eri Takahashi, Saori Ohira, Hidenobu Tanihara
Purpose: Suberoylanilide hydroxamic acid (SAHA) has been shown to support the maintenance of experimental filtration blebs in animal models. This study was performed to investigate the molecular mechanisms underlying the bleb-maintaining effects of SAHA in modulating wound healing activities of conjunctival fibroblasts. Methods: Human conjunctival fibroblasts (HConFs) were pretreated with SAHA before treatment with TGF-β2. Microarray-based screening was used to investigate the gene expression profiles...
April 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28448522/nestin-expression-is-upregulated-in-the-fibrotic-rat-heart-and-is-localized-in-collagen-expressing-mesenchymal-cells-and-interstitial-cd31-cells
#8
Vanessa Hertig, Kim Tardif, Marc Andre Meus, Natacha Duquette, Louis Villeneuve, Fanny Toussaint, Jonathan Ledoux, Angelino Calderone
Renal and lung fibrosis was characterized by the accumulation of collagen-immunoreactive mesenchymal cells expressing the intermediate filament protein nestin. The present study tested the hypothesis that nestin expression was increased in the hypertrophied/fibrotic left ventricle of suprarenal abdominal aorta constricted adult male Sprague-Dawley rats and induced in ventricular fibroblasts by pro-fibrotic peptide growth factors. Nestin protein levels were upregulated in the pressure-overloaded left ventricle and expression positively correlated with the rise of mean arterial pressure...
2017: PloS One
https://www.readbyqxmd.com/read/28448446/renalase-protects-against-renal-fibrosis-by-inhibiting-the-activation-of-the-erk-signaling-pathways
#9
Yiru Wu, Liyan Wang, Dai Deng, Qidong Zhang, Wenhu Liu
Renal interstitial fibrosis is a common pathway for the progression of chronic kidney disease (CKD) to end-stage renal disease. Renalase, acting as a signaling molecule, has been reported to have cardiovascular and renal protective effects. However, its role in renal fibrosis remains unknown. In this study, we evaluated the therapeutic efficacy of renalase in rats with complete unilateral ureteral obstruction (UUO) and examined the inhibitory effects of renalase on transforming growth factor-β1 (TGF-β1)-induced epithelial-mesenchymal transition (EMT) in human proximal renal tubular epithelial (HK-2) cells...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28447994/scaling-of-engineered-vascular-grafts-using-3d-printed-guides-and-the-ring-stacking-method
#10
Cameron B Pinnock, Zhengfan Xu, Mai T Lam
Coronary artery disease remains a leading cause of death, affecting millions of Americans. With the lack of autologous vascular grafts available, engineered grafts offer great potential for patient treatment. However, engineered vascular grafts are generally not easily scalable, requiring manufacture of custom molds or polymer tubes in order to customize to different sizes, constituting a time-consuming and costly practice. Human arteries range in lumen diameter from about 2.0-38 mm and in wall thickness from about 0...
March 27, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447897/specific-hepatic-stellate-cell-penetrating-peptide-targeted-delivery-of-a-kla-peptide-reduces-collagen-accumulation-by-inducing-apoptosis
#11
Zhengrong Guo, Dong Li, Huanyan Peng, Jiwen Kang, Xiaoyu Jiang, Xiaoli Xie, Dianxing Sun, Huijing Jiang
Liver fibrosis is an aberrant wound-healing process to chronic hepatic inflammation and is characterized by excessive accumulation of extracellular matrix (ECM) that is produced by activated hepatic stellate cells (HSCs). Thus, activated HSCs play a key role in the pathogenesis of liver fibrosis and are a potential target for the treatment of liver fibrosis. Herein, we report that a specific HSC-penetrating peptide reduced collagen accumulation by inducing the apoptosis of HSC-T6 cells. We first screened HSC-specific transduction peptides and identified a novel HSC-targeted cell-penetrating peptide (HTP) that specifically interacted with HSC-T6 cells...
April 27, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28447731/vatalanib-a-tyrosine-kinase-inhibitor-decreases-hepatic-fibrosis-and-sinusoidal-capillarization-in-ccl4-induced-fibrotic-mice
#12
Ling-Jian Kong, Hao Li, Ya-Ju Du, Feng-Hua Pei, Ying Hu, Liao-Liao Zhao, Jing Chen
Among the various consequence arising from lung injury, hepatic fibrosis is the most severe. Decreasing the effects of hepatic fibrosis remains one of the primary therapeutic challenges in hepatology. Dysfunction of hepatic sinusoidal endothelial cells is considered to be one of the initial events that occur in liver injury. Vascular endothelial growth factor signaling is involved in the progression of genotype changes. The aim of the present study was to determine the effect of the tyrosine kinase inhibitor, vatalanib, on hepatic fibrosis and hepatic sinusoidal capillarization in a carbon tetrachloride (CCl4)‑induced mouse model of liver fibrosis...
March 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447728/high-expression-of-ubiquitin-specific-peptidase-39-is-associated-with-the-development-of-vascular-remodeling
#13
Shuai He, Wei Zhong, Li Yin, Yifei Wang, Zhibing Qiu, Gang Song
Vascular remodeling is the primary cause underlying the failure of angioplasty surgeries, including vascular stenting, transplant vasculopathy and vein grafts. Multiple restenosis‑associated proteins and genes have been identified to account for this. In the present study, the functions of ubiquitin‑specific peptidase 39 (USP39) were investigated in the context of two vascular remodeling models (a mouse common carotid artery ligation and a pig bilateral saphenous vein‑carotid artery interposition graft)...
March 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447719/hepatocyte-growth-factor-inhibits-tubular-epithelial%C3%A2-myofibroblast-transdifferentiation-by-suppression-of-angiotensin-ii-via-the-jak2-stat3-signaling-pathway
#14
Hong-Yue Wang, Chen Zhang, Qing-Fei Xiao, Hai-Chuan Dou, Yan Chen, Chun-Mei Gu, Ming-Ji Cui
Tubular epithelial‑myofibroblast transdifferentiation (TEMT) is important in the development of chronic renal failure. The present study investigated whether hepatocyte growth factor (HGF) inhibits TEMT, and whether this function may be associated with the inhibition of angiotensin II (AngII) and the Janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) signaling pathway. Human HK‑2 kidney proximal tubular cells were divided into 4 groups and treated with AngII (1x10‑6 M), HGF (8x10‑3 M), AngII plus HGF or control conditions, followed by an assessment of apoptosis induction and the expression levels of α‑smooth muscle actin (α‑SMA), which is a marker of TEMT...
March 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28447667/tweak-blockade-decreases-atherosclerotic-lesion-size-and-progression-through-suppression-of-stat1-signaling-in-diabetic-mice
#15
Valvanera Fernández-Laso, Cristina Sastre, Nerea Méndez-Barbero, Jesús Egido, Jose L Martín-Ventura, Carmen Gómez-Guerrero, Luis M Blanco-Colio
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK/Tnfsf12) is a cytokine implicated in different steps associated with vascular remodeling. However, the role of TWEAK under hyperglycemic conditions is currently unknown. Using two different approaches, genetic deletion of Tnfsf12 and treatment with a TWEAK blocking mAb, we have analyzed the effect of TWEAK inhibition on atherosclerotic plaque progression and stability in streptozotocin-induced diabetic ApoE deficient mice. Genetic inactivation of Tnfsf12 reduced atherosclerosis extension and severity in diabetic ApoE deficient mice...
April 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28446589/antifibrotic-effects-of-cyclosporine-a-on-tgf-%C3%AE-1-treated-lung-fibroblasts-and-lungs-from-bleomycin-treated-mice-role-of-hypoxia-inducible-factor-1%C3%AE
#16
Risa Yamazaki, Yoshitoshi Kasuya, Tetsuo Fujita, Hiroki Umezawa, Madoka Yanagihara, Hiroyuki Nakamura, Ichiro Yoshino, Koichiro Tatsumi, Toshihiko Murayama
Idiopathic pulmonary fibrosis (IPF) is a chronic lung disorder that is characterized by aberrant tissue remodeling and the formation of fibroblastic foci that are composed of fibrogenic myofibroblasts. TGF-β1 is one of the factors that are responsible for fibrosis as it promotes fibroblast to myofibroblast differentiation (FMD) and is associated with up-regulation of α-smooth muscle actin. Therefore, inhibition of FMD may represent an effective strategy for the treatment of IPF. Here, we describe the treatment of human lung fibroblasts (WI-38 and HFL-1 cells) with cyclosporine A (CsA), which reduces TGF-β1-induced FMD via degradation of hypoxia-inducible factor-1α (HIF-1α)...
April 26, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28445811/liraglutide-a-glp-1-receptor-agonist-inhibits-vascular-smooth-muscle-cell-proliferation-by-enhancing-amp-activated-protein-kinase-and-cell-cycle-regulation-and-delays-atherosclerosis-in-apoe-deficient-mice
#17
Teruo Jojima, Kohsuke Uchida, Kazumi Akimoto, Takanori Tomotsune, Kazunori Yanagi, Toshie Iijima, Kunihiro Suzuki, Kikuo Kasai, Yoshimasa Aso
BACKGROUND AND AIMS: Several studies have demonstrated that both native glucagon-like peptide-1 (GLP-1) and GLP-1 receptor agonists suppress the progression of atherosclerosis in animal models. METHODS: We investigated whether liraglutide, a GLP-1 analogue, could prevent the development of atherosclerosis in apolipoprotein E knockout mice (ApoE(-/-)) on a high-fat diet. We also examined the influence of liraglutide on angiotensin II-induced proliferation of rat vascular smooth muscle cells (VSMCs) via enhancement of AMP-activated protein kinase (AMPK) signaling and regulation of cell cycle progression...
April 7, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28445810/circulating-cadmium-concentration-and-risk-of-aortic-aneurysms-a-nested-case-control-study-within-the-malm%C3%A3-diet-and-cancer-cohort
#18
Björn Fagerberg, Yan Borné, Gerd Sallsten, J Gustav Smith, Stefan Acosta, Margaretha Persson, Olle Melander, Niklas Forsgard, Anders Gottsäter, Bo Hedblad, Lars Barregard, Gunnar Engström
BACKGROUND AND AIMS: Diet and smoking expose the general population to cadmium (Cd), which is a toxic metal that accumulates in the arterial wall. In experimental studies, Cd causes reductions in proliferation of smooth muscle cells and cellular synthesis of procollagen. The aim of this study was to examine whether blood Cd levels, a valid measure of Cd exposure, are associated with increased risk of abdominal aortic aneurysm (AAA). METHODS: All middle-aged men and women enrolled in the Malmö Diet and Cancer study (n = 30 447) were followed from the baseline examination in 1991-1996 through 2009...
April 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28445239/aldosterone-and-vascular-mineralocorticoid-receptors-in-murine-endotoxic-and-human-septic-shock
#19
Fouad Fadel, Gwennan André-Grégoire, Basile Gravez, Brigitte Bauvois, Sandrine Bouchet, Catalina Sierra-Ramos, Andrea Polito, Arnaud Mansart, Diego Alvarez de la Rosa, Djillali Annane, Frédéric Jaisser
OBJECTIVES: Vascular mineralocorticoid receptors play a role in vascular tone and blood pressure regulation, might participate in the pathophysiology of circulatory failure during sepsis, and represent a potential therapeutic target in this disease. We aimed to study the effects of mineralocorticoids and the involvement of vascular mineralocorticoid receptors in murine endotoxic and human septic shock. DESIGN: Experimental study. SETTING: Translational investigation including animal research and in vitro experiments using human vascular cells and plasma from septic patients...
April 25, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28444548/post-effect-of-air-quality-improvement-on-biomarkers-for-systemic-inflammation-and-microparticles-in-asthma-patients-after-the-2008-beijing-olympic-games-a-pilot-study
#20
Jinming Gao, Xiaohua Xu, Zhekang Ying, Lei Jiang, Mianhua Zhong, Aixia Wang, Lung-Chi Chen, Bo Lu, Qinghua Sun
This study's aim was to investigate the post-effect of an air quality improvement on systemic inflammation and circulating microparticles in asthmatic patients during, and 2 months after, the Beijing Olympics 2008. We measured the levels of circulating inflammatory cytokines and microparticles in the peripheral blood from asthma patients and healthy controls during (phase 1), and 2 months after (phase 2) the Beijing 2008 Olympic Games. The concentrations of circulating cytokines (including TNFα, IL-6, IL-8, and IL-10) were still seen reduced in phase 2 when compared with those in phase 1...
April 25, 2017: Inflammation
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