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Chronic inflammation prevention

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https://www.readbyqxmd.com/read/28543170/specific-activation-of-cd4-cd8-double-negative-t-cells-by-t-cruzi-derived-glycolipids-induces-a-pro-inflammatory-profile-associated-with-cardiomyopathy-in-chagas-patients
#1
Lívia Silva Araújo Passos, Luísa Mourão Dias Magalhães, Rodrigo Pedro Soares, Alexandre F Marques, Maria do Carmo Pereira Nunes, Kenneth J Gollob, Walderez Ornelas Dutra
Cardiomyopathy is the most severe outcome of Chagas disease, causing over 12,000 deaths/year. Immune cells participate in cardiomyopathy development either by direct tissue destruction, or by driving inflammation. We have shown that CD4-CD8- (double negative - DN) T cells are major sources of inflammatory and anti-inflammatory cytokines, associated with the cardiac (CARD) and indeterminate (IND) forms of Chagas disease, respectively. Here, we sought to identify Trypanosoma cruzi derived components that lead to activation of DN T cells in Chagas patients...
May 24, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28542209/cigarette-smoke-inhibits-lps-induced-fabp5-expression-by-preventing-c-jun-binding-to-the-fabp5-promoter
#2
Deviyani Rao, Anne-Laure Perraud, Carsten Schmitz, Fabienne Gally
Cigarette smoking is the primary cause of chronic obstructive pulmonary disease (COPD) with repeated and sustained infections linked to disease pathogenesis and exacerbations. The airway epithelium constitutes the first line of host defense against infection and is known to be impaired in COPD. We have previously identified Fatty Acid Binding Protein 5 (FABP5) as an important anti-inflammatory player during respiratory infections and showed that overexpression of FABP5 in primary airway epithelial cells protects against bacterial infection and inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28541501/satellite-based-estimates-of-long-term-exposure-to-fine-particulate-matter-are-associated-with-c-reactive-protein-in-30%C3%A2-034-taiwanese-adults
#3
Zilong Zhang, Ly-Yun Chang, Alexis K H Lau, Ta-Chien Chan, Yuan Chieh Chuang, Jimmy Chan, Changqing Lin, Wun Kai Jiang, Keith Dear, Benny C Y Zee, Eng-Kiong Yeoh, Gerard Hoek, Tony Tam, Xiang Qian Lao
Background: Particulate matter (PM) air pollution is associated with the risk of cardiovascular morbidity and mortality. However, the biological mechanism underlying the associations remains unclear. Atherosclerosis, the underlying pathology of cardiovascular disease, is a chronic inflammatory process. We therefore investigated the association of long-term exposure to fine PM (PM 2.5 ) with C-reactive protein (CRP), a sensitive marker of systemic inflammation, in a large Taiwanese population...
May 25, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28541243/czy-smog-ma-wp%C3%A5-yw-na-cz%C3%A4-sto%C3%A5-%C3%A4-wyst%C3%A4-powania-zaostrze%C3%A5-przewlek%C3%A5-ego-zapalenia-krtani-analiza-na-przyk%C3%A5-adzie-mieszka%C3%A5-c%C3%A3-w-wojew%C3%A3-dztwa-ma%C3%A5-opolskiego
#4
Remigiusz Ziarno, Anna Suska, Wojciech Kulinowski, Aleksandra Grudzień-Ziarno, Magdalena Kostrzon, Magdalena Paciorek, Jacek Składzień
INTRODUCTION: Due to dynamic industrialisation smog became a frequent phenomenon in most developing cities. According to the last WHO report from Global Urban Ambient Air Pollution Database, Krakow has been classified in the 11th place among the most polluted cities in Europe. It seems to be an urgent issue because of the influence of air pollution on the condition of upper respiratory tract. Materials & Methods: In December 2015 there were 141 patients aged 17-91 years with upper respiratory tract diseases admitted to the phoniatric outpatient clinic in the University Hospital in Cracow...
June 30, 2017: Otolaryngologia Polska
https://www.readbyqxmd.com/read/28540200/targeting-cannabinoid-signaling-for-peritoneal-dialysis-induced-oxidative-stress-and-fibrosis
#5
REVIEW
Chih-Yu Yang, Yat-Pang Chau, Ann Chen, Oscar Kuang-Sheng Lee, Der-Cherng Tarng, An-Hang Yang
Long-term exposure to bioincompatible peritoneal dialysis (PD) solutions frequently results in peritoneal fibrosis and ultrafiltration failure, which limits the life-long use of and leads to the cessation of PD therapy. Therefore, it is important to elucidate the pathogenesis of peritoneal fibrosis in order to design therapeutic strategies to prevent its occurrence. Peritoneal fibrosis is associated with a chronic inflammatory status as well as an elevated oxidative stress (OS) status. Beyond uremia per se, OS also results from chronic exposure to high glucose load, glucose degradation products, advanced glycation end products, and hypertonic stress...
May 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28538749/complications-of-hidradenitis-suppurativa
#6
Joyce T Yuan, Haley B Naik
Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease characterized by recurrent painful nodules and abscesses involving intertriginous areas. Repeated episodes of profound inflammation in HS can lead to a number of complications, causing significant morbidity and decreasing quality of life. Complications of HS may affect the skin alone or may have systemic impact. Cutaneous complications of HS include sinus tracts, fistulae, scarring and contractures, squamous cell carcinoma, and lymphedema...
June 2017: Seminars in Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28537929/orphan-nuclear-receptor-nur77-inhibits-poly-i-c-triggered-acute-liver-inflammation-by-inducing-the-ubiquitin-editing-enzyme-a20
#7
Xiu-Ming Li, Tian-Yu Yang, Xiao-Shun He, Jing-Ru Wang, Wen-Juan Gan, Shen Zhang, Jian-Ming Li, Hua Wu
Inflammation is a key contributor to various types of acute and chronic liver disease. We recently reported that lack of Nur77, an orphan nuclear receptor, contributes to the pathogenesis of inflammatory diseases including inflammatory bowel disease and sepsis. However, whether Nur77 plays a critical role in liver inflammation remains to be fully understood. Employing in vivo acute liver inflammation model in wild-type (Nur77+/+) and Nur77-/- mice, we here found that Nur77 deficiency dramatically increased the production of pro-inflammatory cytokines and accelerated liver injury induced by Poly (I:C)/D-GalN in Nur77-/- mice...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537880/biological-effects-and-epidemiological-consequences-of-arsenic-exposure-and-reagents-that-can-ameliorate-arsenic-damage-in-vivo
#8
REVIEW
Chinthalapally V Rao, Sanya Pal, Altaf Mohammed, Mudassir Farooqui, Mark P Doescher, Adam S Asch, Hiroshi Y Yamada
Through contaminated diet, water, and other forms of environmental exposure, arsenic affects human health. There are many U.S. and worldwide "hot spots" where the arsenic level in public water exceeds the maximum exposure limit. The biological effects of chronic arsenic exposure include generation of reactive oxygen species (ROS), leading to oxidative stress and DNA damage, epigenetic DNA modification, induction of genomic instability, and inflammation and immunomodulation, all of which can initiate carcinogenesis...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536285/gut-microbiota-mediates-the-protective-effects-of-dietary-capsaicin-against-chronic-low-grade-inflammation-and-associated-obesity-induced-by-high-fat-diet
#9
Chao Kang, Bin Wang, Kanakaraju Kaliannan, Xiaolan Wang, Hedong Lang, Suocheng Hui, Li Huang, Yong Zhang, Ming Zhou, Mengting Chen, Mantian Mi
Metabolic endotoxemia originating from dysbiotic gut microbiota has been identified as a primary mediator for triggering the chronic low-grade inflammation (CLGI) responsible for the development of obesity. Capsaicin (CAP) is the major pungent bioactivator in chili peppers and has potent anti-obesity functions, yet the mechanisms linking this effect to gut microbiota remain obscure. Here we show that mice fed a high-fat diet (HFD) supplemented with CAP exhibit lower levels of metabolic endotoxemia and CLGI associated with lower body weight gain...
May 23, 2017: MBio
https://www.readbyqxmd.com/read/28535664/characterization-of-alphax-i-domain-binding-to-receptors-for-advanced-glycation-end-products-rage
#10
Dolgorsuren Buyannemekh, Sang-Uk Nham
The b2 integrins are cell surface transmembrane proteins regulating leukocyte functions, such as adhesion and migration. Two members of b2 integrin, aMb2 and aXb2, share the leukocyte distribution profile and integrin aXb2 is involved in antigen presentation in dendritic cells and transendothelial migration of monocytes and macrophages to atherosclerotic lesions. Receptor for advanced glycation end products (RAGE), a member of cell adhesion molecules, plays an important role in chronic inflammation and atherosclerosis...
May 24, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/28535183/time-caloric-restriction-inhibits-the-neoplastic-transformation-of-cirrhotic-liver-in-rats-treated-with-diethylnitrosamine
#11
Christian Molina-Aguilar, María de Jesús Guerrero-Carrillo, Jesús Javier Espinosa-Aguirre, Sitlali Olguin-Reyes, Thania Castro-Belio, Olivia Vázquez-Martínez, Julieta Berenice Rivera-Zavala, Mauricio Díaz-Muñoz
Hepatocellular cancer is the most common type of primary liver cancer. Cirrhosis is the main risk factor that generates this malady. It has been proven that caloric restriction protocols and restricted feeding schedules are protective in experimental carcinogenic models. We tested the influence of a time-caloric restriction protocol (2 h of food access during the daytime for 18 weeks) in an experimental model of cirrhosis-hepatocarcinoma produced by weekly administration of diethylnitrosamine. Our results indicate that time-caloric restriction reduced hepatomegaly and prevented the increase in blood leukocytes promoted by diethylnitrosamine...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28533660/genes-emotions-and-gut-microbiota-the-next-frontier-for-the-gastroenterologist
#12
REVIEW
Arturo Panduro, Ingrid Rivera-Iñiguez, Maricruz Sepulveda-Villegas, Sonia Roman
Most medical specialties including the field of gastroenterology are mainly aimed at treating diseases rather than preventing them. Genomic medicine studies the health/disease process based on the interaction of the human genes with the environment. The gastrointestinal (GI) system is an ideal model to analyze the interaction between our genes, emotions and the gut microbiota. Based on the current knowledge, this mini-review aims to provide an integrated synopsis of this interaction to achieve a better understanding of the GI disorders related to bad eating habits and stress-related disease...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28533271/vhl-inactivation-in-precancerous-kidney-cells-induces-an-inflammatory-response-via-er-stress-activated-ire1%C3%AE-signaling
#13
Chan-Yen Kuo, Chih-Hung Lin, Tien Hsu
Mutations and epigenetic inactivation of the tumor suppressor gene von Hippel-Lindau (VHL) are major causes of clear-cell renal cell carcinoma (ccRCC) that may originate from chronic inflammation. However, the role of VHL loss-of-function in the development of ccRCC via inflammation remains poorly understood. VHL mutant cells exhibit metabolic abnormalities that can cause chronic endoplasmic reticulum (ER) stress and unfolded protein response (UPR). We hypothesize that unresolved ER stress induces the inflammatory responses observed in ccRCC...
May 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28533220/triptolide-assisted-phosphorylation-of-p53-suppresses-inflammation-induced-nf-%C3%AE%C2%BAb-survival-pathways-in-cancer-cells
#14
Li Zheng, Jia Jia, Huifang Dai, Lei Wan, Jian Liu, Lin Hu, Mian Zhou, Michael Qiu, Xufeng Chen, Lufen Chang, Jae Y Kim, Karen Reckamp, Dan J Raz, Zongping Xia, Binghui Shen
Chronic inflammation plays important roles in cancer initiation and progression. Resolving chronic inflammation or blocking inflammatory signal transduction may prevent cancer development. Here, we report that the combined low-dose use of two anti-inflammatory drugs, aspirin and triptolide, reduces spontaneous lung cancer incidence from 70% to 10% in a mouse model. Subsequent studies reveal that such treatment has little effect in resolving chronic inflammatory conditions in the lung, but it significantly blocks NF-κB-mediated expression of proliferation and survival genes in cancer cells...
May 22, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28532901/long-term-surveillance-of-zinc-implant-in-murine-artery-surprisingly-steady-biocorrosion-rate
#15
Adam Drelich, Shan Zhao, Roger J Guillory, Jaroslaw W Drelich, Jeremy Goldman
Metallic zinc implanted into the abdominal aorta of rats out to 6 months has been demonstrated to degrade while avoiding responses commonly associated with the restenosis of vascular implants. However, major questions remain regarding whether a zinc implant would ultimately passivate through the production of stable corrosion products or via a cell mediated fibrous encapsulation process that prevents the diffusion of critical reactants and products at the metal surface. Here, we have conducted clinically relevant long term in vivo studies in order to characterize late stage zinc implant biocorrosion behavior and products to address these critical questions...
May 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28532656/the-il-33-st2-axis-is-crucial-in-type-2-airway-responses-induced-by-the-staphylococcus-aureus-protease-spld
#16
Andrea R Teufelberger, Maria Nordengrün, Harald Braun, Tania Maes, Katrien De Grove, Gabriele Holtappels, Clara O'Brien, Sharen Provoost, Hamida Hammad, Amanda Gonçalves, Rudi Beyaert, Wim Declercq, Peter Vandenabeele, Dmitri V Krysko, Barbara M Bröker, Claus Bachert, Olga Krysko
BACKGROUND: Chronic airway inflammatory diseases such as chronic rhinosinusitis with nasal polyps and asthma showed increased nasal Staphylococcus aureus (S. aureus) colonization. Serine protease like protein D (SplD) and other closely related proteases secreted by S. aureus have recently been identified as inducers of allergic asthma in humans and mice but their mechanism of action is largely unknown. OBJECTIVE: We investigated the role of recombinant SplD in driving Th2-biased responses and IgE formation in a murine model of allergic asthma...
May 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28529701/recent-advances-in-the-management-of-dry-age-related-macular-degeneration-a-review
#17
REVIEW
Francesco Bandello, Riccardo Sacconi, Lea Querques, Eleonora Corbelli, Maria Vittoria Cicinelli, Giuseppe Querques
Age-related macular degeneration (AMD), the most important cause of vision loss in elderly people, is a degenerative disorder of the central retina with a multifactorial etiopathology. AMD is classified in dry AMD (d-AMD) or neovascular AMD depending on the presence of choroidal neovascularization. Currently, no therapy is approved for geographic atrophy, the late form of d-AMD, because no treatment can restore the damage of retinal pigment epithelium (RPE) or photoreceptors. For this reason, all treatment approaches in d-AMD are only likely to prevent and slow down the progression of existing atrophy...
2017: F1000Research
https://www.readbyqxmd.com/read/28529457/deguelin-attenuates-allergic-airway-inflammation-via-inhibition-of-nf-%C3%AE%C2%BAb-pathway-in-mice
#18
Zhang Bao, Pei Zhang, Yinan Yao, Guohua Lu, Zhongkai Tong, Bing Yan, Lingfang Tu, Guangdie Yang, Jianying Zhou
Asthma is a chronic respiratory disease characterized by airway inflammation and remodeling, resulting in a substantial economic burden on both patients and society. Deguelin, a constituent of the Leguminosae family, exhibits anti-proliferative and anti-inflammatory activities in cancer mice models via inhibiting phosphatidylinositol 3-kinases and the NF-κB pathway. We demonstrated that deguelin effectively reduced OVA-induced inflammatory cell recruitment, decreased lung tissue inflammation and mucus production, suppressed airway hyperresponsiveness, and inhibited serum immunoglobulin and Th2 cytokine levels in a dose-dependent manner in asthmatic mice...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28523457/retinal-pigmentary-changes-in-chronic-uveitis-mimicking-retinitis-pigmentosa
#19
D Damla Sevgi, Samaneh Davoudi, Jason Comander, Lucia Sobrin
PURPOSE: To present retinal pigmentary changes mimicking retinitis pigmentosa (RP) as a finding of advanced uveitis. METHODS: We retrospectively reviewed charts of patients without a family history of inherited retinal degenerations who presented with retinal pigment changes and signs of past or present intraocular inflammation. Comprehensive eye examination including best-corrected visual acuity, slit-lamp examination and dilated fundus examination was performed on all patients in addition to color fundus photography, optical coherence tomography, fluorescein angiography (FA), and full-field electroretinogram testing...
May 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28523172/roles-of-roflumilast-a-selective-phosphodiesterase-4-inhibitor-in-airway-diseases
#20
REVIEW
Theerasuk Kawamatawong
Asthma and chronic obstructive pulmonary disease (COPD) are common chronic respiratory diseases. Both diseases have incompletely distinct pathophysiology, clinical manifestation, and treatment responsiveness. Pulmonary and systemic inflammations are the hallmarks of COPD. Most asthma responds to inhaled corticosteroid (ICS) treatment. In contrast, COPD is a corticosteroid-resistant disease. Bronchodilators are a preferred treatment method of COPD, with the aim of improving symptoms and preventing exacerbation...
April 2017: Journal of Thoracic Disease
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