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https://www.readbyqxmd.com/read/29245072/phloretin-attenuates-mucus-hypersecretion-and-airway-inflammation-induced-by-cigarette-smoke
#1
Hao Wang, Ting Yang, Tao Wang, Nanya Hao, Yongchun Shen, Yanqiu Wu, Zhicheng Yuan, Lei Chen, Fuqiang Wen
BACKGROUNDS: Cigarette smoke (CS)-induced airway mucus hypersecretion and inflammation are the prominent features of chronic obstructive pulmonary disease (COPD). As an anti-inflammatory flavonoid, phloretin was found to be involved in various inflammatory disorders such as sepsis. In this study, the effects of phloretin on CS-induced airway mucin secretion and inflammation were investigated in vivo and in vitro. METHODS: Phloretin dissolved in 1% DMSO was daily injected intraperitoneally to mice, which were then exposed to CS for four weeks...
December 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29245065/diclofenac-induced-renal-toxicity-in-female-wistar-albino-rats-is-protected-by-the-pre-treatment-of-aqueous-leaves-extract-of-madhuca-longifolia-through-suppression-of-inflammation-oxidative-stress-and-cytokine-formation
#2
Jerine Peter S, Sabina Evan Prince
CONTEXT: Kidney has a vital role in renal clearance, maintenance of blood pressure, elimination of toxic products and formation of prostaglandins. Certain medications are known to cause renal injury on its frequent usage and high dosage. Diclofenac is a non-steroidal anti-inflammatory drug which is used in the treatment of pain and arthritis. Madhuca longifolia is a deciduous tree which is known to the have anti-microbial, anti-ulcer, hepatoprotective, anti-diabetic, anti-inflammatory and analgesic activity...
December 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29245048/the-time-dependent-prognostic-value-of-intratumoral-cytokine-expression-profiles-in-a-natural-course-of-primary-breast-cancer-with-a-long-term-follow-up
#3
Nataša Todorović-Raković, Marko Radulovic, Tijana Vujasinović, Jelena Milovanović, Dragica Nikolić-Vukosavljević
Despite the increasing evidence for the importance of immunity in breast cancer, the contradictory role of inflammation has not been thoroughly researched. In this study, we investigate the prognostic value of intratumoral inflammation as evaluated by cytokine mRNA levels. Intratumoral mRNA was measured for IL1β, IL6, IL8, IL10 and IL17A, using Taqman quantitative PCR. By the AUC criteria, none of the cytokines associated with metastasis outcome over the entire follow-up period. However, separation of the follow-up period has revealed a time-dependent and robust prognostic association of IL β...
December 12, 2017: Cytokine
https://www.readbyqxmd.com/read/29244050/cd52-inhibits-toll-like-receptor-activation-of-nf-%C3%AE%C2%BAb-and-triggers-apoptosis-to-suppress-inflammation
#4
Maryam Rashidi, Esther Bandala-Sanchez, Kate E Lawlor, Yuxia Zhang, Alana M Neale, Swarna L Vijayaraj, Robert O'Donoghue, John M Wentworth, Timothy E Adams, James E Vince, Leonard C Harrison
Soluble CD52 is a small glycoprotein that suppresses T-cell activation, but its effect on innate immune cell function is unknown. Here we demonstrate that soluble CD52 inhibits Toll-like receptor and tumor necrosis factor receptor signaling to limit activation of NF-κB and thereby suppress the production of inflammatory cytokines by macrophages, monocytes and dendritic cells. At higher concentrations, soluble CD52 depletes the short-lived pro-survival protein MCL-1, contributing to activation of the BH3-only proteins BAX and BAK to cause intrinsic apoptotic cell death...
December 15, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29243793/a-new-antioxidant-formulation-reduces-the-apoptotic-and-damaging-effect-of-cigarette-smoke-extract-on-human-bronchial-epithelial-cells
#5
L Vanella, G Li Volti, A Distefano, M Raffaele, V Zingales, R Avola, D Tibullo, I Barbagallo
OBJECTIVE: In this study we evaluated the possible protective effect of an antioxidant formulation containing microfiltered milk derived polypeptides, Curcumin, Vitamin B2, Carnitine and N-Acetyl-cysteine (NAC) in an in vitro model of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS: Human bronchial epithelial cells (16HBE) were used in this study. Cells were treated for 24 h in the presence or absence of 10% of cigarette smoke extract (CSE) and in the presence or absence of antioxidant formulation...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243390/aquaporin-4-blockade-improves-survival-of-murine-heart-allografts-subjected-to-prolonged-cold-ischemia
#6
Katayoun Ayasoufi, Naoki Kohei, Michael Nicosia, Ran Fan, George W Farr, Paul R McGuirk, Marc F Pelletier, Robert L Fairchild, Anna Valujskikh
Prolonged cold ischemia storage (CIS) is a leading risk factor for poor transplant outcome. Existing strategies strive to minimize IRI in transplanted organs, yet there is a need for novel approaches to improve outcomes of marginal allografts and expand the pool of donor organs suitable for transplantation. Aquaporins (AQPs) are a family of water channels that facilitate homeostasis, tissue injury and inflammation. We tested whether inhibition of AQP4 improves the survival of fully MHC-mismatched murine cardiac allografts subjected to 8 h CIS...
December 15, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29243243/shikonin-inhibits-myeloid-differentiation-protein-2-to-prevent-lipopolysaccharide-induced-acute-lung-injury
#7
Yali Zhang, Tingting Xu, Zheer Pan, Xiangting Ge, Chuchu Sun, Chun Lu, Hongjin Chen, Zhongxiang Xiao, Bing Zhang, Yuanrong Dai, Guang Liang
BACKGROUND AND PURPOSE: Acute lung injury (ALI) is a challenging clinical syndrome which manifests as an acute inflammatory response. Myeloid differentiation protein 2 (MD2) has an important role in mediating lipopolysaccharide (LPS)-induced inflammation. Currently, there are no effective molecular-based therapies for ALI or viable biomarkers for predicting the severity of disease. Recent preclinical studies have shown that shikonin (SHI), a natural naphthoquinone, prevents LPS-inflammation...
December 15, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29243228/mitochondria-and-redox-balance-in-celiac-disease-a-case-control-study
#8
A Picca, G Riezzo, A M S Lezza, C Clemente, V Pesce, A Orlando, G Chimienti, F Russo
BACKGROUND: Celiac disease (CD) is a gluten-sensitive autoimmune disorder. Gluten toxicity encompasses a wide spectrum of target organ functions and pathologies, including the activation of the immune response and triggering of oxidative stress. The aim of this study was to investigate inflammation and the redox balance in patients with active CD, and to evaluate whether alteration of mitochondrial function is involved in the disease status. DESIGN: In this prospective case-control study, blood samples from sixteen adult CD patients and sixteen healthy controls (HC) were investigated for IL-1β, IL-6, and IL-8 plasma concentrations, for serum PON1 arylesterase, total and MnSOD antioxidant enzymes activities, induced TBARs levels, and for lymphocyte mtDNA content...
December 15, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29242513/scarf-1-promotes-adhesion-of-cd4-t-cells-to-human-hepatic-sinusoidal-endothelium-under-conditions-of-shear-stress
#9
Daniel A Patten, Sivesh K Kamarajah, Joanne M Rose, Joseph Tickle, Emma L Shepherd, David H Adams, Chris J Weston, Shishir Shetty
Liver-resident cells are constantly exposed to gut-derived antigens via portal blood and, as a consequence, they express a unique repertoire of scavenger receptors. Whilst there is increasing evidence that the gut contributes to chronic inflammatory liver disease, the role of scavenger receptors in regulating liver inflammation remains limited. Here, we describe for the first time the expression of scavenger receptor class F, member 1 (SCARF-1) on hepatic sinusoidal endothelial cells (HSEC). We report that SCARF-1 shows a highly localised expression pattern and co-localised with endothelial markers on sinusoidal endothelium...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29242419/reduced-interleukin-6-immunoexpression-and-birefringent-collagen-formation-indicate-that-mta-plus-and-mta-fillapex-are-biocompatible
#10
Juliana Alcarás Saraiva, Tiago Silva da Fonseca, Guilherme Ferreira Silva, Estela Sasso-Cerri, Juliane Maria Guerreiro-Tanomaru, Mario Tanomaru-Filho, Paulo Sérgio Cerri
Considering that endodontic sealers release some components which may promote delay in the repair process, our purpose was to evaluate the tissue reaction promoted by MTA Plus and MTA Fillapex in comparison with AH Plus (standard control) and Endofill, which has a long clinical track record. One hundred rats were distributed into five groups: MTA Plus (Avalon Biom Inc., Bradenton, FL, USA), MTA Fillapex (Angelus, Londrina, PR, Brazil), AH Plus (Dentsply DeTrey GmbH, Konstanz, Germany), Endofill (Dentsply, Petrópolis, RJ, Brazil) and CG (control group, empty polyethylene tubes)...
December 15, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/29242308/chemokine-c-c-motif-receptor-like-2-is-not-essential-for-lung-injury-lung-inflammation-or-airway-hyperresponsiveness-induced-by-acute-exposure-to-ozone
#11
Farhan Malik, Kevin R Cromar, Constance L Atkins, Roger E Price, William T Jackson, Saad R Siddiqui, Chantal Y Spencer, Nicholas C Mitchell, Ikram U Haque, Richard A Johnston
Inhalation of ozone (O3), a gaseous air pollutant, causes lung injury, lung inflammation, and airway hyperresponsiveness. Macrophages, mast cells, and neutrophils contribute to one or more of these sequelae induced by O3 Furthermore, each of these aforementioned cells express chemokine (C-C motif) receptor-like 2 (Ccrl2), an atypical chemokine receptor that facilitates leukocyte chemotaxis. Given that Ccrl2 is expressed by cells essential to the development of O3-induced lung pathology and that chemerin, a Ccrl2 ligand, is increased in bronchoalveolar lavage fluid (BALF) by O3, we hypothesized that Ccrl2 contributes to the development of lung injury, lung inflammation, and airway hyperresponsiveness induced by O3 To that end, we measured indices of lung injury (BALF protein, BALF epithelial cells, and bronchiolar epithelial injury), lung inflammation (BALF cytokines and BALF leukocytes), and airway responsiveness to acetyl-β-methylcholine chloride (respiratory system resistance) in wild-type and mice genetically deficient in Ccrl2 (Ccrl2-deficient mice) 4 and/or 24 hours following cessation of acute exposure to either filtered room air (air) or O3 In air-exposed mice, BALF chemerin was greater in Ccrl2-deficient as compared to wild-type mice...
December 2017: Physiological Reports
https://www.readbyqxmd.com/read/29242273/rbpj-mediates-uterine-repair-in-the-mouse-and-is-reduced-in-women-with-recurrent-pregnancy-loss
#12
Michael R Strug, Ren-Wei Su, Tae Hoon Kim, Alessandro Mauriello, Carlo Ticconi, Bruce A Lessey, Steven L Young, Jeong Mook Lim, Jae-Wook Jeong, Asgerally T Fazleabas
Unexplained recurrent pregnancy loss (uRPL) is associated with repeated embryo loss and endometrial repair with elevated endometrial expression of inflammatory cytokines, including IFN-γ. Notch signaling through its transcription factor recombination signal binding protein Jκ (RBPJ) regulates mechanisms including the immune response and repair after tissue injury. Initially, null mutation of RBPJ in the mouse uterus (Pgrcre/+Rbpjf/f ; Rbpj c-KO) results in subfertility, but we have found that these mice become infertile after pregnancy as a result of dysfunctional postpartum uterine repair, including delayed endometrial epithelial and myometrial regeneration...
December 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29242144/recent-advances-in-understanding-the-roles-of-blood-platelets-in-the-pathogenesis-of-allergic-inflammation-and-bronchial-asthma
#13
REVIEW
Tomohiro Takeda, Hideaki Morita, Hirohisa Saito, Kenji Matsumoto, Akio Matsuda
Platelets play an essential role in hemostasis to minimize blood loss due to traumatic injury. In addition, they contain various immune-associated molecules and contribute to immunological barrier formation at sites of vascular injury, thereby protecting against invading pathogens. Platelets are also crucially involved in development of allergic diseases, including bronchial asthma. Platelets in asthmatics are more activated than those in healthy individuals. By using a murine asthma model, platelets were shown to be actively involved in progression of the disease, including in airway eosinophilia and airway remodeling...
December 11, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29241952/downregulation-of-common-cytokine-receptor-%C3%AE-chain-inhibits-inflammatory-responses-in-macrophages-stimulated-with-riemerella-anatipestifer
#14
Fahmida Afrin, Cherry P Fernandez, Rochelle A Flores, Woo H Kim, Jipseol Jeong, Hong H Chang, Suk Kim, Hyun S Lillehoj, Wongi Min
Th17-cell-mediated inflammation is affected by the soluble form of common cytokine receptor γ chain (γc). We previously suggested that inflammatory cytokines including interleukin (IL)-17A are associated with Riemerella anatipestifer infection, which a harmful bacterial pathogen in ducks. Here, the expression profiles of membrane-associated γc (duγc-a) and soluble γc (duγc-b) in R. anatipestifer-stimulated splenic lymphocytes and macrophages, and in the spleens and livers of R. anatipestifer-infected ducks, were investigated...
December 11, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29241670/glia-and-tissue-specific-changes-in-the-kynurenine-pathway-after-treatment-of-mice-with-lipopolysaccharide-and-dexamethasone
#15
Carlos R Dostal, Nicolaus S Gamsby, Marcus A Lawson, Robert H McCusker
Behavioral symptoms associated with mood disorders have been intimately linked with immunological and psychological stress. Induction of immune and stress pathways is accompanied by increased tryptophan entry into the Kynurenine (Kyn) Pathway as governed by the rate-limiting enzymes indoleamine/tryptophan 2,3-dioxygenases (DO's: Ido1, Ido2, Tdo2). Indeed, elevated DO expression is associated with inflammation- and stress-related depression symptoms. Here we examined central (brain, astrocyte and microglia) and peripheral (lung, liver and spleen) DO expression in mice treated intraperitoneally with lipopolysaccharide (LPS) and dexamethasone (DEX) to model the response of the Kyn Pathway to inflammation and glucocorticoids...
December 11, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29241669/cytokine-contributions-to-alterations-of-the-volatile-metabolome-induced-by-inflammation
#16
Patrick Millet, Maryanne Opiekun, Talia Martin, Gary K Beauchamp, Bruce A Kimball
Several studies demonstrate that inflammation affects body odor. Volatile signals associated with inflammation induced by pyrogens like LPS are detectable both by conspecifics and chemical analyses. However, little is known about the mechanisms which translate detection of a foreign molecule or pathogen into a unique body odor, or even how unique that odor may be. Here, we utilized C57BL/6J trained mice to identify the odor of LPS-treated conspecifics to investigate potential pathways between LPS-induced inflammation and changes in body odor, as represented by changes in urine odor...
December 11, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#17
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29240666/induction-of-inflammation-in-vivo-by-electrocardiogram-sensor-operation-using-wireless-power-transmission
#18
Jin-Chul Heo, Beomjoon Kim, Yoon-Nyun Kim, Dae-Kwang Kim, Jong-Ha Lee
Prolonged monitoring by cardiac electrocardiogram (ECG) sensors is useful for patients with emergency heart conditions. However, implant monitoring systems are limited by lack of tissue biocompatibility. Here, we developed an implantable ECG sensor for real-time monitoring of ventricular fibrillation and evaluated its biocompatibility using an animal model. The implantable sensor comprised transplant sensors with two electrodes, a wireless power transmission system, and a monitoring system. The sensor was inserted into the subcutaneous tissue of the abdominal area and operated for 1 h/day for 5 days using a wireless power system...
December 14, 2017: Sensors
https://www.readbyqxmd.com/read/29240645/resveratrol-downregulates-biomarkers-of-sepsis-via-inhibition-of-proteasome-s-proteases
#19
Neerupma Silswal, Nidhi S Reddy, Asaf A Qureshi, Nilofer Qureshi
LPS is the main agonist of Gram-negative bacteria and initiates inflammation. We recently reported that plasmas from sepsis patients revealed increased levels of following group of biomarkers; VCAM-1, ICAM1, CRP, resistin, and proteasome LMP subunits. Our objective here was to compare effects of resveratrol (shown to be a non-specific proteasome inhibitor by us) and a known LMP7 inhibitor (ONX-0914, specific inhibitor) on proteasome's activities, as well as on inflammatory markers mentioned above in human blood monocytes...
December 13, 2017: Shock
https://www.readbyqxmd.com/read/29239890/omega-3-decreases-interleukin-6-levels-in-hiv-and-hhv-8-co-infected-patients-results-from-a-randomized-supplementation-trial-in-uganda
#20
Anna E Coghill, Jeanette M Schenk, Zeina Mahkoul, Jackson Orem, Warren Phipps, Corey Casper
OBJECTIVE: Kaposi sarcoma (KS) is an HIV-associated malignancy caused by human herpesvirus-8 that occurs at highest incidence in sub-Saharan Africa. KS patients often present with inflammatory symptoms associated with higher mortality. DESIGN: We conducted a double-blind, randomized, placebo-controlled study in Uganda to test whether omega-3 (ω-3) supplementation could reduce inflammation in HIV and HHV-8 co-infected adults ≥ 18 years of age. Patients with acute illness, AIDS, or advanced KS were ineligible, as were pregnant women...
December 12, 2017: AIDS
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