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https://www.readbyqxmd.com/read/27911568/nf%C3%AE%C2%BAb-mediates-mesenchymal-transition-remodeling-and-pulmonary-fibrosis-in-response-to-chronic-inflammation-by-viral-rna-patterns
#1
Bing Tian, Igor Patrikeev, Lorenzo Ochoa, Gracie Vargas, KarryAnne K Belanger, Julia Litvinov, Istvan Boldogh, Bill T Ameredes, Massoud Motamedi, Allan R Brasier
Airway remodeling is resultant of a complex multi-cellular response associated with a progressive decline of pulmonary function in patients with chronic airway disease. Here, repeated infections with respiratory viruses are linked with airway remodeling through largely unknown mechanisms. Although acute activation of the Toll like receptor (TLR)3 pathway by extracellular poly(I:C) induces innate signaling through the NFkB transcription factor in human small airway epithelial cells (hSAECs), prolonged (repetitive or tonic) poly(I:C) stimulation produces chronic stress fiber formation, mesenchymal transition and activation of a fibrotic program...
December 2, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27909057/structure-of-the-tir-domain-of-bcap-which-links-phosphoinositide-metabolism-with-the-negative-regulation-of-the-tlr-signalosome
#2
Samer Halabi, Eiki Sekine, Brett Verstack, Nicholas J Gay, Martin C Moncrieffe
Ligand binding to Toll-like receptors (TLRs) results in dimerization of their cytosolic TIR domains and recruitment of post-receptor signal transducers into a complex signalosome. TLR activation leads to the production of transcription factors, pro-inflammatory molecules and the activation of Phosphoinositide 3-kinases (PI3K) in a process that requires the multi-modular B-cell Adaptor for Phosphoinositide 3-kinase (BCAP). BCAP has a sequence previously proposed as a "cryptic" TIR domain. Here, we present the structure of the N-terminal region of human BCAP and show that it possesses a canonical TIR-fold...
December 1, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27906549/anti-inflammatory-and-ros-suppressive-effects-of-the-addition-of-fiber-to-a-high-fat-high-calorie-meal
#3
Husam Ghanim, Manav Batra, Sanaa Abuaysheh, Kelly Green, Antoine Makdissi, Nitesh Kuhadiya, Ajay Chaudhuri, Paresh Dandona
BACKGROUND: Fiber intake is associated with a reduction in the occurrence of cardiovascular events and diabetes. OBJECTIVE: To investigate whether the addition of fiber to a high fat-high Calorie (HFHC) meal prevents pro-inflammatory changes induced by HFHC meal. DESIGN: Ten fasting normal subjects consumed HFHC meal with or without an additional 30g of insoluble dietary fiber on 2 separate visits. Blood samples were collected over 5hr and mononuclear cells (MNC) isolated...
December 1, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27899203/bioresorbable-scaffold-implantation-in-patients-with-indication-for-oral-anticoagulation-a-propensity-matched-analysis
#4
Niklas F Boeder, Victoria Johnson, Oliver Dörr, Jens Wiebe, Albrecht Elsässer, Helge Möllmann, Christian W Hamm, Holger M Nef, Timm Bauer
OBJECTIVES: To examine ischemic and bleeding outcomes in patients on triple antithrombotic therapy (TAT) compared with dual antiplatelet therapy (DAPT) after the implantation of bioresorbable scaffolds (BRS). BACKGROUND: The optimal antithrombotic regimen in patients undergoing percutaneous coronary intervention that have an indication for oral anticoagulation is unclear, in particular among those undergoing BRS implantation. METHODS: Consecutive patients of a single-center, all-comers BRS registry were included...
November 24, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27895398/dysregulation-of-innate-immunity-in-ulcerative-colitis-patients-who-fail-anti-tumor-necrosis-factor-therapy
#5
Angela C Baird, Dominic Mallon, Graham Radford-Smith, Julien Boyer, Thierry Piche, Susan L Prescott, Ian C Lawrance, Meri K Tulic
AIM: To study the innate immune function in ulcerative colitis (UC) patients who fail to respond to anti-tumor necrosis factor (TNF) therapy. METHODS: Effects of anti-TNF therapy, inflammation and medications on innate immune function were assessed by measuring peripheral blood mononuclear cell (PBMC) cytokine expression from 18 inflammatory bowel disease patients pre- and 3 mo post-anti-TNF therapy. Toll-like receptor (TLR) expression and cytokine production post TLR stimulation was assessed in UC "responders" (n = 12) and "non-responders" (n = 12) and compared to healthy controls (n = 12)...
November 7, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27895126/versican-deficiency-significantly-reduces-lung-inflammatory-response-induced-by-polyinosine-polycytidylic-acid-stimulation
#6
Inkyung Kang, Ingrid A Harten, Mary Y Chang, Kathleen R Braun, Alyssa Sheih, Mary P Nivison, Pamela Y Johnson, Gail Workman, Gernot Kaber, Stephen P Evanko, Christina K Chan, Mervyn J Merrilees, Steven F Ziegler, Michael G Kinsella, Charles W Frevert, Thomas N Wight
Viral infection is an exacerbating factor contributing to chronic airway diseases such as asthma via mechanisms which are still unclear. Polyinosine-polycytidylic acid (poly I:C), a toll-like receptor (TLR) 3 agonist used as a mimetic to study viral infection, has been shown to elicit inflammatory responses in lungs and to exacerbate pulmonary allergic reactions in animal models. Previously, we have shown that poly I:C stimulates lung fibroblasts to accumulate an extracellular matrix (ECM), enriched in hyaluronan (HA) and its binding partner versican, which promotes monocyte adhesion...
November 28, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27894569/five-year-outcomes-after-paclitaxel-coated-balloon-angioplasty-for-drug-eluting-stent-restenosis
#7
Katsuya Miura, Kazushige Kadota, Seiji Habara, Takenobu Shimada, Masanobu Ohya, Hidewo Amano, Shunsuke Kubo, Yusuke Hyodo, Suguru Otsuru, Takeshi Tada, Hiroyuki Tanaka, Yasushi Fuku, Tsuyoshi Goto
The long-term outcomes of patients who underwent paclitaxel-coated balloon (PCB) angioplasty for drug-eluting stent restenosis (DES-ISR) remain unclear. We investigated the 5-year safety and efficacy outcomes of PCB angioplasty for DES-ISR. The study included 185 patients with 216 DES-ISR lesions who underwent PCB angioplasty from September 2008 to December 2010. Two serial angiographic follow-ups were routinely scheduled at 6 and 18 months after the index procedure. Five-year clinical outcomes were investigated...
November 1, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27890859/long-term-outcome-of-patients-with-chronic-total-coronary-occlusion-treated-by-percutaneous-coronary-intervention-in-diabetics-and-non-diabetics
#8
Francesca Sanguineti, Philippe Garot, Stephen O'Connor, Yusuke Watanabe, Marco Spaziano, Thierry Lefèvre, Thomas Hovasse, Hakim Benamer, Thierry Unterseeh, Bernard Chevalier, Marie Claude Morice, Yves Louvard
AIMS: Despite technical advancements, long-term outcomes after Chronic Total Occlusion (CTO) recanalization remain a subject of debate, especially in diabetic patients. METHODS AND RESULTS: Between 2004 and 2012, 1,320 consecutive patients underwent PCI for CTO, 27.4 % (362/1320) of whom were diabetics. We compared cardiac death, target lesion revascularisation (TLR), myocardial infarction (MI) and combined Myocardial Adverse Cardiac Events (MACE) in patients with successful versus failed PCI (median follow up 4...
November 29, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27890776/epigallocatechin-3-gallate-alleviates-paraquat-induced-acute-lung-injury-and-inhibits-upregulation-of-toll-like-receptors
#9
Haitao Shen, Na Wu, Zhenning Liu, Hongyu Zhao, Min Zhao
AIMS: To evaluate the detoxifying effect of epigallocatechin-3-gallate (EGCG) on paraquat (PQ)-induced acute lung injury in mice, and to explore the action mechanisms. MAIN METHODS: Following administration of PQ, the mice received a low, a medium or a high dose of EGCG daily for three days. Histopathology of the lungs were examined by H&E staining. The levels of inflammatory cytokines, such as TNF-α, IL-1β and IL-6, in the bronchoalveolar lavage fluid were measured by enzyme-linked immunosorbent assay...
November 24, 2016: Life Sciences
https://www.readbyqxmd.com/read/27890526/femoropopliteal-in-stent-restenosis-repair-midterm-outcomes-after-paclitaxel-eluting-balloon-use-plaisir-trial
#10
N Bague, P Julia, A Sauguet, J M Pernès, P Chatelard, J F Garbé, S Penillon, J M Cardon, P Commeau, O Planché, B Guyomarch, Y Gouëffic
OBJECTIVE: The aim was to assess 18 month outcomes of the paclitaxel eluting balloon (PEB) in patients with femoropopliteal (FP) in-stent restenosis (ISR). METHODS: In a national prospective and multicentre cohort study, symptomatic patients with femoropopliteal in-stent restenosis were included from January 2012 to June 2013. Patients were treated by paclitaxel eluting balloon angioplasty (In Pact Admiral, Medtronic, Santa Rosa, CA, USA). Clinical and duplex scan follow-up evaluations were performed at 1, 3, 6, 9, 12, and 18 months...
November 24, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27887688/long-term-outcomes-after-stent-implantation-for-left-main-coronary-artery-from-the-multicenter-assessing-optimal-percutaneous-coronary-intervention-for-left-main-coronary-artery-stenting-registry
#11
Masanobu Ohya, Kazushige Kadota, Mamoru Toyofuku, Takeshi Morimoto, Hirooki Higami, Yasushi Fuku, Kyohei Yamaji, Hiromi Muranishi, Yuhei Yamaji, Koji Nishida, Daisuke Furukawa, Tomohisa Tada, Euihong Ko, Kenji Ando, Hiroki Sakamoto, Takashi Tamura, Kazuya Kawai, Takeshi Kimura
We assessed long-term outcomes after left main coronary artery (LMCA) stenting based on lesion types and stenting strategies. In the Assessing Optimal percutaneous coronary Intervention for Left Main Coronary Artery stenting registry, we evaluated 1,607 consecutive patients undergoing stent implantation for unprotected LMCA lesions (bifurcation lesions: n = 1318 and nonbifurcation lesions: n = 289). Among the bifurcation lesions, 1,281 lesions were treated with stenting across the bifurcation (bifurcation 1-stent strategy: n = 999 or bifurcation 2-stent strategy: n = 282)...
October 31, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27887590/comparing-the-adverse-clinical-outcomes-in-patients-with-non-insulin-treated-type-2-diabetes-mellitus-and-patients-without-type-2-diabetes-mellitus-following-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis
#12
Nuo Li, Ye-Gui Yang, Meng-Hua Chen
BACKGROUND: Several studies showed Type 2 Diabetes Mellitus (T2DM) to be associated with worse adverse clinical outcomes compared to non-T2DM (NDM) following Percutaneous Coronary Intervention (PCI). In addition, patients with insulin-treated T2DM (ITDM) showed worse clinical outcomes compared to patients with non-insulin treated T2DM (NITDM). Since NITDM and NDM have seldom been systematically analyzed, this study aimed to compare the short and long term adverse clinical outcomes observed in patients with NITDM and patients without T2DM following PCI...
November 25, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27885699/strains-of-group-b-streptococci-from-septic-patients-induce-platelet-activation-via-toll-like-receptor-2
#13
Xiaoyan Liu, Hongyun Liu, Xianming Luo, Ping Zhang, Yanmin Gao, Shuangfeng Xie, Kang Xu, Jianxing Chang, Liping Ma
Group B Streptococcus (GBS) causes life-threatening bacterial sepsis, especially in newborns and pregnant women. Patients suffering from sepsis often display low platelet counts, characterized by thrombocytopenia, because of platelet activation. In the present study, the roles of six GBS strains from septic patients in platelet aggregation, as well as the underlying mechanisms, were investigated. Incubation of platelets with three of the strains induced platelet aggregation, increased the secretion of cellular adhesin molecule CD62P and activation of GPIIb/IIIa...
November 25, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27884591/toll-like-receptor-ligands-induce-cytokine-and-chemokine-production-in-human-inner-ear-endolymphatic-sac-fibroblasts
#14
Takechiyo Yamada, Kazuhiro Ogi, Masafumi Sakashita, Masafumi Kanno, Seita Kubo, Yumi Ito, Yoshimasa Imoto, Takahiro Tokunaga, Masayuki Okamoto, Norihiko Narita, Shigeharu Fujieda
OBJECTIVE: Against recent reports concerning cytokine or chemokine in mouse or rat inner ear cells, it is almost unknown whether human inner ear cells would produce cytokine or chemokine. We have for the first time established the human inner-ear-derived fibroblasts from endolymphatic sac. METHODS: The expression levels of Toll-like receptors (TLRs) in human endolymphatic sac fibroblasts, and the effect on cytokine or chemokine production of the TLR ligands have been examined...
November 21, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27883091/mycobacterium-tuberculosis-triggered-hippo-pathway-orchestrates-cxcl1-2-expression-to-modulate-host-immune-responses
#15
Monoranjan Boro, Vikas Singh, Kithiganahalli Narayanaswamy Balaji
Mycobacterium tuberculosis (Mtb) pathogenesis encompasses a plethora of finely regulated alterations within the host which eventually coin the outcome of infection. Chemokines are important components in directing immune cell recruitment to the site of infection, and shaping the disease progression. Here, we demonstrate that Hippo (mammalian sterile 20-like 1 and 2 kinases, MST1/2, in mammals), is activated during mycobacterial infection in a toll-like receptor (TLR) 2-interleukin receptor-1 associated kinases (IRAK1/4)-dependent manner...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882228/oxymatrine-inhibits-microglia-activation-via-hsp60-tlr4-signaling
#16
Feijia Ding, Yunhong Li, Xiaolin Hou, Rui Zhang, Shuting Hu, Yin Wang
Oxymatrine (OMT) is an alkaloid extracted from Sophora flavescens, which has broad anti-inflammatory, antitumor and immunosuppressant actions. However, the underlying molecular mechanisms have remained elusive. Heat shock protein 60 (HSP60) has recently been shown to have an important role in autoimmune reactions. The present study aimed to investigate whether OMT exerts its anti-inflammatory effects by inhibiting microglial activation and examined the role of HSP60 in this process. Western blot analysis and ELISA showed that OMT decreased the expression and release of HSP60 by LPS-activated BV2 cells...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27882150/effect-of-stromal-cell-derived-factor-1-on-myocardial-apoptosis-and-cardiac-function-recovery-in-rats-with-acute-myocardial-infarction
#17
Yuanyuan Liu, Songtao Gao, Zheng Wang, Yan Yang, Hong Huo, Xuefeng Tian
The aim of the study was to investigate the effect of stromal cell-derived factor-1 (SDF-1) on myocardial apoptosis and cardiac function recovery in rats with acute myocardial infarction (AMI) and the mechanism of the Toll-like receptor (TLR)-4/nuclear factor-κB (NF-κB) signaling pathway. A total of 64 healthy male F344 rats were randomly divided into the sham operation, model, SDF-1 intervention and SDF-1 antibody groups, with 16 rats in each group. The method of Olivette was used to establish the AMI model by ligation of the left anterior descending artery...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881733/lysosomal-trafficking-regulator-lyst-links-membrane-trafficking-to-toll-like-receptor-mediated-inflammatory-responses
#18
Andreas Westphal, Weijia Cheng, Jinbo Yu, Guntram Grassl, Martina Krautkrämer, Otto Holst, Niko Föger, Kyeong-Hee Lee
Subcellular compartmentalization of receptor signaling is an emerging principle in innate immunity. However, the functional integration of receptor signaling pathways into membrane trafficking routes and its physiological relevance for immune responses is still largely unclear. In this study, using Lyst-mutant beige mice, we show that lysosomal trafficking regulator Lyst links endolysosomal organization to the selective control of toll-like receptor 3 (TLR3)- and TLR4-mediated proinflammatory responses. Consequently, Lyst-mutant mice showed increased susceptibility to bacterial infection and were largely resistant to endotoxin-induced septic shock...
November 23, 2016: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27881603/a-protective-role-of-il-37-in-cancer-a-new-hope-for-cancer-patients
#19
REVIEW
Ayoub Abulkhir, Suzanne Samarani, Devendra Amre, Michel Duval, Elie Haddad, Daniel Sinnett, Jean-Marie Leclerc, Caroline Diorio, Ali Ahmad
IL-37 is a cytokine belonging to the IL-1 family. Although discovered in silico in 2000, significant advances in the understanding of its biology were made only in recent years. It is a member of the family with potent anti-inflammatory and immunosuppressive properties. It is produced as a precursor without a classic signal peptide. The precursor is cleaved into mature form in the cytoplasm by caspase-1. A small fraction of the cleaved IL-37 binds SMAD-3, translocates to the nucleus, and suppresses transcription of several proinflammatory genes...
November 23, 2016: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/27877060/anti-inflammatory-and-immunomodulatory-effects-of-aquaphilus-dolomiae-extract-on-in-vitro-models
#20
Marie-Françoise Aries, Hélène Hernandez-Pigeon, Clémence Vaissière, Hélène Delga, Antony Caruana, Marguerite Lévêque, Muriel Bourrain, Katia Ravard Helffer, Bertrand Chol, Thien Nguyen, Sandrine Bessou-Touya, Nathalie Castex-Rizzi
BACKGROUND: Atopic dermatitis (AD) is a common skin disease characterized by recurrent pruritic inflammatory skin lesions resulting from structural and immune defects of the skin barrier. Previous studies have shown the clinical efficacy of Avène thermal spring water in AD, and a new microorganism, Aquaphilus dolomiae was suspected to contribute to these unique properties. The present study evaluated the anti-inflammatory, antipruritic, and immunomodulatory properties of ES0, an original biological extract of A...
2016: Clinical, Cosmetic and Investigational Dermatology
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