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https://www.readbyqxmd.com/read/28445805/fak-phosphorylation-plays-a-central-role-in-thrombin-induced-rpe-cell-migration
#1
E D Aguilar-Solis, A M López-Colomé, I Lee-Rivera, A Alvarez-Arce, E López
The migration of retinal pigment epithelial (RPE) cells is an important step in various pathologic conditions including subretinal neovascularization (SRN), proliferative vitreoretinopathy (PVR) and, importantly, as a consequence of retinal surgery. Therefore, the elucidation of the mechanisms underlying RPE trans-differentiation and migration is essential for devising effective treatments aimed to the prevention of these disorders. A common event in these pathologies is the alteration of the blood-retina barrier (BRB), which allows the interaction of RPE cells with thrombin, a pro-inflammatory protease contained in serum...
April 23, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28442532/anti-inflammatory-effects-of-simvastatin-during-the-resolution-phase-of-experimentally-formed-venous-thrombi
#2
Yaping Feng, Bo Lei, Fuxian Zhang, Luyuan Niu, Huan Zhang, Mingyi Zhang
Deep venous thrombosis (DVT) is a common vascular disease and is closely linked to inflammation. Over the past decade, the potential antithrombotic effect of statins has been elucidated by clinical studies, primarily through focusing on DVT prevention. The effects of statins on DVT resolution and its underlying mechanisms have been rarely addressed. We established a rabbit model of the inferior vena cava (IVC) venous thrombosis. After 48 hours, the rabbits were treated with saline, heparin, simvastatin, or simvastatin combined with heparin, respectively, for 14 days...
April 25, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28441885/lactobacillus-plantarum-l9-but-not-lactobacillus-acidophilus-la-reduces-tumour-necrosis-factor-induced-bacterial-translocation-in-caco-2-cells
#3
B Wang, J Chen, S Wang, X Zhao, G Lu, X Tang
Translocation of bacteria across the intestinal barrier is important in the pathogenesis of systemic sepsis and multiple organ dysfunction syndromes. Inflammatory cytokines increase paracellular permeability that allows increased luminal bacteria to translocate across mucosal epithelium and further deteriorate the gut barrier. In order to reduce this risk, the prophylactic use of probiotics has been recently addressed. In this paper, we investigate the protective role toward tumour necrosis factor (TNF)-α induced non-pathogenic Escherichia coli translocation across Caco-2 monolayers of Lactobacillus strains...
April 26, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28441034/thrombus-formation-at-high-shear-rate
#4
Lauren D C Casa, David N Ku
The final common pathway in myocardial infarction and ischemic stroke is occlusion of blood flow from a thrombus forming under high shear rates in arteries. A high-shear thrombus forms rapidly and is distinct from the slow formation of coagulation that occurs in stagnant blood. Thrombosis at high shear rates depends primarily on the long protein von Willebrand factor (vWF) and platelets, with hemodynamics playing an important role in each stage of thrombus formation, including vWF binding, platelet adhesion, platelet activation, and rapid thrombus growth...
April 24, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28440961/non-bactericidal-zinc-complexing-ligand-as-a-biofilm-inhibitor-structure-guided-contrasting-effect-on-staphylococcus-aureus-biofilm
#5
Vidushi Kapoor, Rajanikant Rai, Durairaj Thiyagarajan, Sandipan Mukherjee, Gopal Das, Ramesh Aiyagari
Zinc-complexing ligands are prospective antibiofilm agents, given the pivotal role of zinc in the formation of Staphylococcus aureus biofilm. To this end, the potential of a thiosemicarbazone (C1) and a benzothiazole-based ligand (C4) in the prevention of S. aureus biofilm formation was assessed. C1 displayed a bimodal activity as it hindered biofilm formation only at low concentrations and promoted biofilm growth at higher concentrations. In case of C4, a dose-dependent inhibition of S. aureus biofilm growth was observed...
April 25, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28439632/a-rat-hysteropexy-model-for-evaluating-adhesion-formation-and-comparison-of-two-different-structured-meshes
#6
Ayse Filiz Gokmen-Karasu, Serdar Aydin, Fatma Cavide Sonmez, Ilknur Adanir, Gulsah Ilhan, Seda Ates
INTRODUCTION AND HYPOTHESIS: Peritonization of mesh during sacrohysteropexy is generally advocated to prevent adhesions to the viscera; however, randomized clinical trials are lacking, and peritonization may not be completely possible in a laparoscopic hysteropexy procedure. Our main objective was to describe a basic experimental rat sacrohysteropexy model. We hypothesized that even when peritoneal closure was omitted, using composite mesh would result in less adhesions to the viscera...
April 24, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28439579/severe-tooth-wear-european-consensus-statement-on-management-guidelines
#7
Bas Loomans, Niek Opdam, Thomas Attin, David Bartlett, Daniel Edelhoff, Roland Frankenberger, Goran Benic, Simon Ramseyer, Peter Wetselaar, Bernadette Sterenborg, Reinhard Hickel, Ulla Pallesen, Shamir Metha, Subir Banerji, Adrian Lussi, Nairn Wilson
This paper presents European expert consensus guidelines on the management of severe tooth wear. It focuses on the definition of physiological vs pathological tooth wear and recommends diagnosis, prevention, counseling, and monitoring aimed at elucidating the etiology, nature, rate and means of controlling pathological tooth wear. Management decisions are multifactorial, depending principally on the severity and effects of the wear and the wishes of the patient. Restorative intervention is typically best delayed as long as possible...
April 21, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28438559/the-role-of-copper-nanoparticles-in-an-etch-and-rinse-adhesive-on-antimicrobial-activity-mechanical-properties-and-the-durability-of-resin-dentine-interfaces
#8
Mario F Gutiérrez, Pamela Malaquias, Viviane Hass, Thalita P Matos, Lucas Lourenço, Alessandra Reis, Alessandro D Loguercio, Paulo Vitor Farago
OBJECTIVES: To evaluate the effect of addition of copper nanoparticles at different concentrations into an etch-and-rinse adhesive (ER) on antimicrobial activity, Knoop microhardness (KHN), in vitro and in situ degree of conversion (DC), as well as the immediate (IM) and 2-year (2Y) resin-dentine bond strength (μTBS) and nanoleakage (NL). METHODS: Seven experimental ER adhesives were formulated according to the amount of copper nanoparticles incorporated into the adhesives (0 [control], 0...
April 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28436251/sirolimus-coating-on-heparinized-stents-prevents-restenosis-and-thrombosis
#9
In-Ho Bae, Kyung Seob Lim, Dae Sung Park, Jae-Won Shim, So-Youn Lee, Eun-Jae Jang, Jun-Kyu Park, Ju-Han Kim, Myung Ho Jeong
The aim of this study was to evaluate the inhibitory effect of sirolimus coating on the occurrence of restenosis and thrombosis with heparinized stents. Heparin and dopamine were conjugated by chemical bonding and anchored on the stent surface by a mussel-inspired adhesion mechanism. Subsequently, sirolimus was coated with poly lactic-glycolic acid on the heparinized stent surface. The heparin was well attached to the surface, and the surface was smooth after sirolimus coating. The smoothness of the surface was maintained after expansion of the stent...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28436055/implantation-window-and-angiogenesis
#10
Mostafa Peyvandi Karizbodagh, Bahman Rashidi, Amirhossein Sahebkar, Aria Masoudifar, Hamed Mirzaei
In recent decades, infertility is one of the health problems worldwide. One of the most crucial events in reproductive period is implantation window (IW). In the time after IW period, the embryo cannot connect to the endometrium; therefore the most critical issue for successful implantation is timely entrance of embryo to the uterine cavity during the IW. Implantation failure is responsible for many cases of infertility and is the most important limiting factor for achieving a successful outcome using the assisted reproductive techniques (ART)...
April 24, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28435618/comparative-study-of-abutment-screw-loosening-with-or-without-adhesive-material
#11
Mahnaz Arshad, Gholamreza Shirani, Sina Refoua, Mohammadreza Rahimi Yeganeh
PURPOSE: The purpose of this study was to achieve more retention and stability and to delay or prevent screw loosening. MATERIALS AND METHODS: Twenty implants (Implantium 3.4 mm, Dentium, Seoul, Korea) were divided into 2 groups (n = 20). In the first group, an adhesive material was applied around the screw of the abutments (test group). In the second group, the screws are soaked in saliva (control group). All the screws were torqued under 30 N/cm, Then, the samples were gone through a cyclic fatigue loading process...
April 2017: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/28434172/lactobacillus-paracasei-strain-06tca19-suppresses-inflammatory-chemokine-induced-by-helicobacter-pylori-in-human-gastric-epithelial-cells
#12
Shiro Takeda, Keiji Igoshi, Chuluunbat Tsend-Ayush, Tsendesuren Oyunsuren, Ryoichi Sakata, Yasuhiro Koga, Yuo Arima, Masahiko Takeshita
Helicobacter (H.) pylori infection is an important risk factor for gastric cancer that causes gastric inflammation. Inflammatory chemokines such as interleukin (IL)-8 and regulated on activation normal T cell expressed and secreted (RANTES) are elevated in the gastric mucosa by H. pylori. This study aimed to investigate the effects of Lactobacillus paracasei strain 06TCa19, a probiotic strain, on IL-8 and RANTES expression and production induced by H. pylori using human gastric epithelial cell lines. Strain 06TCa19 was shown to suppress H...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28433555/systemic-application-of-sirolimus-prevents-neointima-formation-not-via-a-direct-anti-proliferative-effect-but-via-its-anti-inflammatory-properties
#13
Jan-Marcus Daniel, Jochen Dutzmann, Hannes Brunsch, Johann Bauersachs, Rüdiger Braun-Dullaeus, Daniel G Sedding
BACKGROUND: Systemic treatment with sirolimus, as used for immunosuppression in transplant patients, results in markedly low rates of in-stent restenosis. Since the underlying mechanisms remain obscure, we aimed to determine the molecular and cellular effects of systemic sirolimus treatment on vascular remodeling processes. METHODS AND RESULTS: Systemic sirolimus treatment significantly reduced smooth muscle cell (SMC) proliferation 14days after wire-induced injury and neointima formation 28days after injury in C57BL/6 mice, while simultaneously impairing re-endothelialization...
March 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28431620/role-of-inflammatory-molecules-in-the-alzheimer-s-disease-progression-and-diagnosis
#14
REVIEW
Eva Bagyinszky, Vo Van Giau, Kyuhwan Shim, Kyoungho Suk, Seong Soo A An, SangYun Kim
Alzheimer's disease (AD) is a complex disorder and the most common form of neurodegenerative dementia. Several genetic, environmental, and physiological factors, including inflammations and metabolic influences, are involved in the progression of AD. Inflammations are composed of complicated networks of many chemokines and cytokines with diverse cells. Inflammatory molecules are needed for the protection against pathogens, and maintaining their balances is important for normal physiological function. Recent studies demonstrated that inflammation may be involved in neurodegenerative dementia...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28429235/regulation-of-human-brain-microvascular-endothelial-cell-adhesion-and-barrier-functions-by-memantine
#15
Fei Wang, Zhirong Zou, Yi Gong, Dong Yuan, Xun Chen, Tao Sun
Vascular risk factors have been linked to cognitive decline and dementia in the elderly. Microvascular inflammation, especially of the endothelium, may contribute to the progression of neurodegenerative events in Alzheimer's disease (AD). Memantine, an uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist, is a licensed drug used for the treatment of moderate to severe AD. However, little information is available regarding its anti-inflammatory effects on the endothelium. In this study, we investigated the effects of memantine on human brain microvascular endothelial dysfunction induced by the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α)...
April 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28428929/treatment-of-posttubercular-syringomyelia-not-responsive-to-antitubercular-therapy-case-report-and-review-of-literature
#16
Giuseppe Canova, Alessandro Boaro, Enrico Giordan, Pierluigi Longatti
Posttubercular adhesive arachnoiditis is a rare, late complication of tubercular meningitis. Syringomyelia can develop as a consequence of intramedullary cystic lesions and cerebrospinal fluid (CSF) flow disturbance around the spinal cord, even after successful chemotherapy. We reviewed the literature related to posttubercular syringomyelia treatment and suggest a new combined surgical approach. A 25-year-old Nigerian male patient presented with legs numbness, urinary disturbance, and legs weakness. Spinal magnetic resonance revealed a T5-T7 syringomyelia, secondary to adhesive spinal arachnoiditis related to a history of tuberculous meningitis...
April 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28428219/deficiency-of-cholesteryl-ester-transfer-protein-protects-against-atherosclerosis-in-rabbits
#17
Jifeng Zhang, Manabu Niimi, Dongshan Yang, Jingyan Liang, Jie Xu, Tokuhide Kimura, Anna V Mattew, Yanhong Guo, Yanbo Fan, Tianqing Zhu, Jun Song, Rose Ackermann, Yui Koike, Anna Schwendeman, Liangxue Lai, Subramaniam Pennathur, Minerva Garcia-Barrio, Jianglin Fan, Y Eugene Chen
OBJECTIVE: CETP (cholesteryl ester transfer protein) plays an important role in lipoprotein metabolism; however, whether inhibition of CETP activity can prevent cardiovascular disease remains controversial. APPROACH AND RESULTS: We generated CETP knockout (KO) rabbits by zinc finger nuclease gene editing and compared their susceptibility to cholesterol diet-induced atherosclerosis to that of wild-type (WT) rabbits. On a chow diet, KO rabbits showed higher plasma levels of high-density lipoprotein (HDL) cholesterol than WT controls, and HDL particles of KO rabbits were essentially rich in apolipoprotein AI and apolipoprotein E contents...
April 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28427282/biofouling-in-photobioreactors-for-marine-microalgae
#18
Ouassim Zeriouh, José Vicente Reinoso-Moreno, Lorenzo López-Rosales, María Del Carmen Cerón-García, Asterio Sánchez-Mirón, Francisco García-Camacho, Emilio Molina-Grima
The economic and/or energetic feasibility of processes based on using microalgae biomass requires an efficient cultivation system. In photobioreactors (PBRs), the adhesion of microalgae to the transparent PBR surfaces leads to biofouling and reduces the solar radiation penetrating the PBR. Light reduction within the PBR decreases biomass productivity and, therefore, the photosynthetic efficiency of the cultivation system. Additionally, PBR biofouling leads to a series of further undesirable events including changes in cell pigmentation, culture degradation, and contamination by invasive microorganisms; all of which can result in the cultivation process having to be stopped...
April 20, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#19
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427048/1-25-dihydroxyvitamin-d3-attenuates-the-effects-of-lipopolysaccharide-by-causing-adam10-dependent-ectodomain-shedding-of-toll-like-receptor-4
#20
Won Seok Yang, Jin Ju Kim, Nam Jeong Han, Eun Kyoung Lee, Su-Kil Park
BACKGROUND/AIMS: We investigated how 1,25-dihydroxyvitamin D3 (1,25D3) inhibits the effects of lipopolysaccharide (LPS) in human aortic endothelial cells. METHODS: Cellular signaling was explored by determination of protein abundance with Western blot, measurement of cytosolic Ca2+ concentration and immunofluorescence staining for a disintegrin and metalloprotease 10 (ADAM10). RESULTS: LPS stimulated the expression of intercellular adhesion molecule 1 (ICAM-1) through toll-like receptor 4 (TLR4) and subsequent activation of p38 mitogen-activated protein kinase (p38 MAPK)...
April 17, 2017: Cellular Physiology and Biochemistry
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