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https://www.readbyqxmd.com/read/28727593/understanding-moisture-associated-skin-damage-medical-adhesive-related-skin-injuries-and-skin-tears
#1
Karen Zulkowski
GENERAL PURPOSE: To provide information on superficial skin issues related to moisture-associated skin damage, medical adhesive-related skin injury, and skin tears. TARGET AUDIENCE: This continuing education activity is intended for physicians, physician assistants, nurse practitioners, and nurses with an interest in skin and wound care. LEARNING OBJECTIVES/OUTCOMES: After participating in this educational activity, the participant should be better able to:1...
August 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28725490/muc1-o-glycosylation-contributes-to-anoikis-resistance-in-epithelial-cancer-cells
#2
Tushar Piyush, Jonathan M Rhodes, Lu-Gang Yu
Anoikis is a fundamental cellular process for maintaining tissue homeostasis. Resistance to anoikis is a hallmark of oncogenic epithelial-mesenchymal transition and is a pre-requisite for metastasis. Previous studies have revealed that the heavily glycosylated mucin protein MUC1, which is overexpressed in all types of epithelial cancer cells, prevents anoikis initiation in response to loss of adhesion. This effect of MUC1 is largely attributed to its extracellular domain that provides cell surface anoikis-initiating molecules with a 'homing' microenvironment...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28724302/efficacy-and-safety-of-vedolizumab-as-a-treatment-option-for-moderate-to-severe-refractory-ulcerative-colitis-in-two-patients-after-liver-transplant-due-to-primary-sclerosing-cholangitis
#3
Raúl Vicente Olmedo Martín, Víctor Amo Trillo, Rocío González Grande, Miguel Jiménez Pérez
Vedolizumab is a humanized IgG1 monoclonal antibody that selectively blocks the lymphocyte integrin α4β7 and prevents its interaction with endothelial adhesion molecules and subsequent transmigration to the gastrointestinal tract. The drug was approved in 2014 for the induction and maintenance treatment of ulcerative colitis and moderate to severe Crohn's disease that is refractory or intolerant to conventional treatment with corticoids and immunosuppressants and/or anti-TNFα drugs. However, inflammatory bowel disease has a variable behavior following liver transplant...
July 14, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28723687/small-intestine-submucosa-is-a-potential-material-for-intrauterine-adhesions-treatment-in-a-rat-model
#4
Desheng Kong, Lin Zhang, Xin Xu, Jingkun Zhang, Yanan Li, Xianghua Huang
OBJECTIVE: To study whether small intestine submucosa (SIS) could be a treatment option for preventing the formation of intrauterine adhesions (IUAs). METHODS: The IUAs model was established by mechanical curettage and infectious injury in a rat model. One uterine horn of the rat model was treated with the transplantation of SIS (SIS group) and the other one was left without any treatment (control group). The endometrium was evaluated with endometrial thickness, number of glands and fibrosis area...
July 20, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28716864/alpha1-antitrypsin-binds-hemin-and-prevents-oxidative-activation-of-human-neutrophils-putative-pathophysiological-significance
#5
Sabina Janciauskiene, Srinu Tumpara, Malgorzata Wiese, Sabine Wrenger, Vijith Vijayan, Faikah Gueler, Rongjun Chen, Kukuh Madyaningrana, Ravi Mahadeva, Tobias Welte, Stephan Immenschuh, Joanna Chorostowska-Wynimko
Heme is a ubiquitous compound of human tissues, and it is involved in cellular physiology and metabolism. Once released from the cell, free heme oxidizes to the ferric state (hemin). High levels of hemin can cause oxidative stress and inflammation if not neutralized immediately by specialized scavenger proteins. Human alpha1-antitrypsin (A1AT), an acute-phase glycoprotein and important inhibitor of neutrophil proteases, is also a hemin-binding protein. A short-term exposure of freshly isolated human blood neutrophils to 4 µM hemin results in cell spreading, surface expression of filament protein, vimentin, free radical production, expression of heme oxygenase-1 (HO-1), release of IL-8, and enhanced neutrophil adhesion to human endothelial cells...
July 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28716570/protective-effects-of-pistacia-lentiscus-l-fruit-extract-against-calcium-oxalate-monohydrate-induced-proximal-tubular-injury
#6
Nassima Cheraft-Bahloul, Cécile Husson, Meriam Ourtioualous, Sébastien Sinaeve, Djebbar Atmani, Caroline Stévigny, Joëlle L Nortier, Marie-Hélène Antoine
ETHNOPHARMACOLOGICAL RELEVANCE: The world prevalence of kidney stones is increasing and plants are frequently used to treat urolithiasis. Pistacia lentiscus L, a plant which freely grows around the Mediterranean basin areas, is widely used for various pathologies. P. lentiscus has an important impact as it has economical value on top of its pharmacological interest. Decoctions of its aerial parts and/or resin are used to treat kidney stones. AIM OF THE STUDY: To in vitro assess the potential nephroprotective effect of Pistacia lentiscus ethanolic fruit extract (PLEF) on proximal tubular cells in response to the adhesion of calcium oxalate monohydrate (COM) crystals...
July 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28713783/streptococcus-pyogenes-phospholipase-a2-induces-the-expression-of-adhesion-molecules-on-human-umbilical-vein-endothelial-cells-and-aorta-of-mice
#7
Masataka Oda, Hisanori Domon, Mie Kurosawa, Toshihito Isono, Tomoki Maekawa, Masaya Yamaguchi, Shigetada Kawabata, Yutaka Terao
The Streptococcus pyogenes phospholipase A2 (SlaA) gene is highly conserved in the M3 serotype of group A S. pyogenes, which often involves hypervirulent clones. However, the role of SlaA in S. pyogenes pathogenesis is unclear. Herein, we report that SlaA induces the expression of intercellular adhesion molecule 1 (ICAM1) and vascular cell adhesion molecule 1 (VCAM1) via the arachidonic acid signaling cascade. Notably, recombinant SlaA induced ICAM1 and VCAM1 expression in human umbilical vein endothelial cells (HUVECs), resulting in enhanced adhesion of human monocytic leukemia (THP-1) cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28712739/biocompatibility-and-bond-degradation-of-poly-acrylic-acid-coated-copper-iodide-adhesives
#8
Adi ALGhanem, Gabriela Fernandes, Michelle Visser, Rosemary Dziak, Walter G Renné, Camila Sabatini
OBJECTIVE: To investigate the effect of poly-acrylic acid (PAA) copper iodide (CuI) adhesives on bond degradation, tensile strength, and biocompatibility. METHODS: PAA-CuI particles were incorporated into Optibond XTR, Optibond Solo and XP Bond in 0.1 and 0.5mg/ml. Clearfil SE Protect, an MDPB-containing adhesive, was used as control. The adhesives were applied to human dentin, polymerized and restored with composite in 2mm-increments. Resin-dentin beams (0.9±0...
July 13, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28710559/aloe-emodin-inhibits-staphylococcus-aureus-biofilms-and-extracellular-protein-production-at-the-initial-adhesion-stage-of-biofilm-development
#9
Hua Xiang, Fengjiao Cao, Di Ming, Yanyang Zheng, Xiaoyun Dong, Xiaobo Zhong, Dan Mu, Bangbang Li, Ling Zhong, Junjie Cao, Lin Wang, Hongxia Ma, Tiedong Wang, Dacheng Wang
Staphylococcus aureus (S. aureus) biofilms are clinically serious and play a critical role in the persistence of chronic infections due to their ability to resist antibiotics. The inhibition of biofilm formation is viewed as a new strategy for the prevention of S. aureus infections. Here, we demonstrated that minimum inhibitory concentrations (MICs) of aloe-emodin exhibited no bactericidal activity against S. aureus but affected S. aureus biofilm development in a dose-dependent manner. Further studies indicated that aloe-emodin specifically inhibits the initial adhesion and proliferation stages of S...
July 15, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28709791/molecular-biology-of-flexor-tendon-healing-in-relation-to-reduction-of-tendon-adhesions
#10
REVIEW
Anais Legrand, Yoav Kaufman, Chao Long, Paige M Fox
Tendon injuries are encountered after major and minor hand trauma. Despite meticulous repair technique, adhesion formation can occur, limiting recovery. Although a great deal of progress has been made toward understanding the mechanism of tendon healing and adhesions, clinically applicable solutions to prevent adhesions remain elusive. The goal of this paper is to review the most recent literature relating to the tendon healing and adhesion prevention.
July 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28709033/vegetated-land-cover-near-residence-is-associated-with-reduced-allostatic-load-and-improved-biomarkers-of-neuroendocrine-metabolic-and-immune-functions
#11
Andrey I Egorov, Shannon M Griffin, Reagan R Converse, Jennifer N Styles, Elizabeth A Sams, Anthony Wilson, Laura E Jackson, Timothy J Wade
BACKGROUND: Greater exposure to urban green spaces has been linked to reduced risks of depression, cardiovascular disease, diabetes and premature death. Alleviation of chronic stress is a hypothesized pathway to improved health. Previous studies linked chronic stress with a biomarker-based composite measure of physiological dysregulation known as allostatic load. OBJECTIVE: This study's objective was to assess the relationship between vegetated land cover near residences and allostatic load...
July 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/28709021/architecting-the-myelin-landscape
#12
REVIEW
Lindsay A Osso, Jonah R Chan
Myelin increases the speed and efficiency of action potential propagation. Yet, not all axons are myelinated and some axons are discontinuously myelinated, prompting the question of how myelinating glia select axons for myelination. Whereas myelination by Schwann cells depends on axonal induction, oligodendrocytes can form myelin membrane in the absence of axons. However, oligodendrocytes alone cannot architect the complex myelination patterns of the central nervous system and recent advances have implicated axonal signaling in this process...
July 11, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28707086/efficacy-of-hyaluronic-acid-and-hydroxyethyl-starch-in-preventing-adhesion-following-endoscopic-sinus-surgery
#13
Su-Jong Kim, Jae-Min Shin, Eun Jung Lee, Il-Ho Park, Heung-Man Lee, Kyung-Su Kim
Adhesion is a major complication of endoscopic sinus surgery that may lead to recurrence of chronic rhinosinusitis, necessitating revision surgery. The purpose of this study was to evaluate the effect of hyaluronic acid and hydroxyethyl starch (HA-HES) relative to hyaluronic acid and carboxymethylcellulose (HA-CMC) with regard to anti-adhesion effect. In this multi-center, prospective, single-blind, randomized controlled study, 77 consecutive patients who underwent bilateral endoscopic sinus surgery were enrolled between March 2014 and March 2015...
July 13, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28706891/evaluation-of-botulinum-toxin-type-a-effectiveness-in-preventing-postoperative-intraperitoneal-adhesions
#14
Mehmet Dokur, Erdal Uysal
PURPOSE: Postoperative intraperitoneal adhesions (PIAs) are one of the most important problems surgeons have to face after laparotomies. In this study, we aimed to evaluate the effectiveness of local application of botulinum toxin type A (BoNT-A) in various dosages on the prevention of intra-abdominal adhesions in rats with experimental intra-abdominal adhesions. METHODS: Forty Wistar Albino female rats were randomly separated into 4 groups. The 4 groups were determined as follows: Control (group 1, n = 10); Sham (group 2, n = 10); 10-µg/kg low-dose BoNT-A (group 3, n = 10) and 30-µg/kg high-dose BoNT-A (group 4, n = 10)...
July 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28704947/sponge-inspired-dibromohemibastadin-prevents-and-disrupts-bacterial-biofilms-without-toxicity
#15
Tiffany Le Norcy, Hendrik Niemann, Peter Proksch, Karen Tait, Isabelle Linossier, Karine Réhel, Claire Hellio, Fabienne Faÿ
Since the banning of several families of compounds in antifouling (AF) coatings, the search for environmentally friendly AF compounds has intensified. Natural sources of AF compounds have been identified in marine organisms and can be used to create analogues in laboratory. In a previous study, we identified that dibromohemibastadin-1 (DBHB) is a promising AF molecule, leading to the inhibition of the activity of phenoloxidase, an enzyme involved in the attachment of mussels to surfaces. This paper describes the activity of the DBHB on biofilm formation and its detachment and on bacterial adhesion and communication: quorum sensing...
July 12, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28704490/the-synthetic-killer-peptide-kp-impairs-candida-albicans-biofilm-in-vitro
#16
Simona Paulone, Andrea Ardizzoni, Arianna Tavanti, Serena Piccinelli, Cosmeri Rizzato, Antonella Lupetti, Bruna Colombari, Eva Pericolini, Luciano Polonelli, Walter Magliani, Stefania Conti, Brunella Posteraro, Claudio Cermelli, Elisabetta Blasi, Samuele Peppoloni
Candida albicans is a commensal organism, commonly inhabiting mucosal surfaces of healthy individuals, as a part of the resident microbiota. However, in susceptible hosts, especially hospitalized and/or immunocompromised patients, it may cause a wide range of infections. The presence of abiotic substrates, such as central venous or urinary catheters, provides an additional niche for Candida attachment and persistence, particularly via biofilm development. Furthermore, Candida biofilm is poorly susceptible to most antifungals, including azoles...
2017: PloS One
https://www.readbyqxmd.com/read/28703800/killing-two-birds-with-one-stone-dual-blockade-of-integrin-and-fgf-signaling-through-targeting-syndecan-4-in-postoperative-capsular-opacification
#17
Yingyan Qin, Yi Zhu, Furong Luo, Chuan Chen, Xiaoyun Chen, Mingxing Wu
The most common complication after cataract surgery is postoperative capsular opacification, which includes anterior capsular opacification (ACO) and posterior capsular opacification (PCO). Increased adhesion of lens epithelial cells (LECs) to the intraocular lens material surface promotes ACO formation, whereas proliferation and migration of LECs to the posterior capsule lead to the development of PCO. Cell adhesion is mainly mediated by the binding of integrin to extracellular matrix proteins, while cell proliferation and migration are regulated by fibroblast growth factor (FGF)...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28703117/early-diagnostics-of-temporomandibular-joint-structural-elements-injures-caused-by-traumatic-mandibular-bone-fractures
#18
Kh R Pohranychna, A R Stasyshyn, U D Matolych
A rapidly increasing number of mandibular condylar fractures and some complications related to injuries of temporomandibular elements make this study important. Intra-articular disorders lead to secondary pathological findings such as osteoarthritis, deforming osteoarthrosis, and temporomandibular joint ankylosis that limits mouth opening, mastication, swallowing, breathing, and decreased/lost working capacity or disability. Early diagnosis of intra-articular disorders can prevent from long-lasting functional complications caused by temporomandibular joint injuries...
June 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28701483/the-shigella-type-iii-effector-ipgd-recodes-ca-2-signals-during-invasion-of-epithelial-cells
#19
Chun Hui Sun, Benjamin Wacquier, Daniel I Aguilar, Nathalie Carayol, Kevin Denis, Sylviane Boucherie, Cesar Valencia-Gallardo, Ceren Simsek, Christophe Erneux, Alexandre Lehman, Jost Enninga, Laurence Arbibe, Philippe Sansonetti, Geneviève Dupont, Laurent Combettes, Guy Tran Van Nhieu
The role of second messengers in the diversion of cellular processes by pathogens remains poorly studied despite their importance. Among these, Ca(2+) virtually regulates all known cell processes, including cytoskeletal reorganization, inflammation, or cell death pathways. Under physiological conditions, cytosolic Ca(2+) increases are transient and oscillatory, defining the so-called Ca(2+) code that links cell responses to specific Ca(2+) oscillatory patterns. During cell invasion, Shigella induces atypical local and global Ca(2+) signals...
July 12, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28701303/endothelial-cell-shp-2-negatively-regulates-neutrophil-adhesion-and-promotes-transmigration-by-enhancing-icam-1-ve-cadherin-interaction
#20
Meiping Yan, Xinhua Zhang, Ao Chen, Wei Gu, Jie Liu, Xiaojiao Ren, Jianping Zhang, Xiaoxiong Wu, Aaron T Place, Richard D Minshall, Guoquan Liu
Intercellular adhesion molecule-1 (ICAM-1) mediates the firm adhesion of leukocytes to endothelial cells and initiates subsequent signaling that promotes their transendothelial migration (TEM). Vascular endothelial (VE)-cadherin plays a critical role in endothelial cell-cell adhesion, thereby controlling endothelial permeability and leukocyte transmigration. This study aimed to determine the molecular signaling events that originate from the ICAM-1-mediated firm adhesion of neutrophils that regulate VE-cadherin's role as a negative regulator of leukocyte transmigration...
July 12, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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