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IL-33 ST2

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https://www.readbyqxmd.com/read/27900334/serum-levels-of-soluble-st2-and-il-10-are-associated-with-disease-severity-in-patients-with-iga-nephropathy
#1
Zhihui Zhang, Haifeng Wang, Li Zhang, Rebecca Crew, Nan Zhang, Xiaolei Liu, Yanfang Jiang
Background. The IL-33/ST2 axis is involved in humoral immune responses. Method. The concentrations of sera IL-33 and sST2 in 74 patients and 34 healthy controls (HC) were measured by ELISA. Clinical and laboratory data were examined. The potential association between sera IL-33 and sST2 and the clinical parameters in IgAN patients were analyzed. Results. No difference was discovered in IL-33 concentrations between IgAN patients and HCs; however, the sST2 were significantly higher in each stage of IgAN progression than in the HC...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27872212/a-proinflammatory-role-of-type-2-innate-lymphoid-cells-in-murine-immune-mediated-hepatitis
#2
Katrin Neumann, Khalil Karimi, Jana Meiners, Ruth Voetlause, Silja Steinmann, Werner Dammermann, Stefan Lüth, Farahnaz Asghari, Claudia Wegscheid, Andrea K Horst, Gisa Tiegs
Type 2 innate lymphoid cells (ILC2) mediate inflammatory immune responses in the context of diseases triggered by the alarmin IL-33. In recent years, IL-33 has been implicated in the pathogenesis of immune-mediated liver diseases. However, the immunoregulatory function of ILC2s in the inflamed liver remains elusive. Using the murine model of Con A-induced immune-mediated hepatitis, we showed that selective expansion of ILC2s in the liver was associated with highly elevated hepatic IL-33 expression, severe liver inflammation, and infiltration of eosinophils...
November 21, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27862491/alarmins-and-central-nervous-system-inflammation-in-hiv-associated-neurological-disorders
#3
M-L Gougeon
In the era of highly active antiretroviral therapy (HAART), HIV-1-associated neurocognitive disorders (HAND) persist in infected individuals with adequate immunological and virological status. Risk factors for cognitive impairment include hepatitis C virus co-infection, host genetic factors predisposing to HAND, the early establishment of the virus in the CNS and its persistence under HAART; thus, the CNS is an important reservoir for HIV. Microglial cells are permissive to HIV-1, and NLRP3 inflammasome-associated genes were found expressed in brains of HIV-1-infected persons, contributing to brain disease...
November 16, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27821781/il-33-st2-signaling-excites-sensory-neurons-and-mediates-itch-response-in-a-mouse-model-of-poison-ivy-contact-allergy
#4
Boyi Liu, Yan Tai, Satyanarayana Achanta, Melanie M Kaelberer, Ana I Caceres, Xiaomei Shao, Jianqiao Fang, Sven-Eric Jordt
Poison ivy-induced allergic contact dermatitis (ACD) is the most common environmental allergic condition in the United States. Case numbers of poison ivy ACD are increasing due to growing biomass and geographical expansion of poison ivy and increasing content of the allergen, urushiol, likely attributable to rising atmospheric CO2 Severe and treatment-resistant itch is the major complaint of affected patients. However, because of limited clinical data and poorly characterized models, the pruritic mechanisms in poison ivy ACD remain unknown...
November 7, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27796360/pollen-tlr4-innate-immunity-signaling-initiates-il-33-st2-th2-pathways-in-allergic-inflammation
#5
Jin Li, Lili Zhang, Xin Chen, Ding Chen, Xia Hua, Fang Bian, Ruzhi Deng, Fan Lu, Zhijie Li, Stephen C Pflugfelder, De-Quan Li
Innate immunity has been extended to respond environmental pathogen other than microbial components. Here we explore a novel pollen/TLR4 innate immunity in allergic inflammation. In experimental allergic conjunctivitis induced by short ragweed (SRW) pollen, typical allergic signs, stimulated IL-33/ST2 signaling and overproduced Th2 cytokine were observed in ocular surface, cervical lymph nodes and isolated CD4(+) T cells of BALB/c mice. These clinical, cellular and molecular changes were significantly reduced/eliminated in TLR4 deficient (Tlr4-d) or MyD88 knockout (MyD88(-/-)) mice...
October 31, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27780363/the-role-of-interleukin-33-as-an-inflammatory-marker-in-differential-diagnosis-of-idiopathic-granulomatous-mastitis-and-breast-cancer
#6
Mehmet Rafet Yigitbasi, Gulcan Guntas, Tuba Atak, Cigdem Sonmez, Haydar Yalman, Hafize Uzun
INTRODUCTION: Idiopathic granulomatous mastitis (IGM) is a rare benign inflammatory breast disease that can clinically and radiographically mimic breast carcinoma and bacterial mastitis. The aim of this study is to investigate the importance of levels of the inflammation markers, interleukin-33 (IL-33), soluble ST2 receptor of IL-33 (sST2), procalcitonin (PCT), and CRP on differential diagnosis of IGM and breast cancer (BC). METHODS: 25 patients with IGM and 32 patients with primary BC who applied to General Surgery Clinic, and 30 healthy volunteer women with similar demographic condition were enrolled in the study...
October 26, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27761063/il-33-effect-on-quantitative-changes-of-cd4-cd25-high-foxp3-regulatory-t-cells-in-children-with-type-1-diabetes
#7
Monika Ryba-Stanisławowska, Paulina Werner, Maria Skrzypkowska, Agnieszka Brandt, Jolanta Myśliwska
IL-33 is an IL-1 cytokine family member, with ability to induce both Th1 and Th2 immune responses. It binds to ST2 receptor, whose deficiency is associated with enhanced inflammatory response. The most recent studies have shown the immunoregulatory effect of IL-33 on Tregs in animal models. As type 1 diabetes is an autoimmune, inflammatory disease, where Treg defects have been described, we aimed to analyze the in vitro influence of recombinant IL-33 on quantitative properties of regulatory CD4(+)CD25(high)FOXP3(+) T cells...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27748502/preliminary-study-of-beta-blocker-therapy-on-modulation-of-interleukin-33-st2-signaling-during-ventricular-remodeling-after-acute-myocardial-infarction
#8
Jinggang Xia, Yang Qu, Chunlin Yin, Dong Xu
BACKGROUND: This study aimed to evaluate the role of β-blocker therapy on modulating interleukin (IL)-33/ST2 (interleukin-1 receptor-like 1) signaling during ventricular remodeling related to heart failure (HF) after acute myocardial infarction (AMI). METHODS: Sprague-Dawley rats that survived surgery to induce AMI were randomly divided into the placebo group and the β-blocker treatment group. A sham group was used as a control. Left ventricular (LV) function variables, the myocardial infarct size, fibrosis and IL-33/ST2 protein expression was measured...
October 17, 2016: Cardiology Journal
https://www.readbyqxmd.com/read/27701734/interleukin-33-regulates-tissue-remodelling-and-inhibits-angiogenesis-in-the-eye
#9
Sofia Theodoropoulou, David A Copland, Jian Liu, Jiahui Wu, Peter J Gardner, Ema Ozaki, Sarah L Doyle, Matthew Campbell, Andrew D Dick
Age-related macular degeneration (AMD) is the leading cause of central vision loss worldwide. Loss of retinal pigment epithelium (RPE) is a major pathological hallmark in AMD with or without pathological neovascularization. Although activation of the immune system is implicated in disease progression, pathological pathways remain diverse and unclear. Here, we report an unexpected protective role of a pro-inflammatory cytokine, interleukin-33 (IL-33) in ocular angiogenesis. IL-33 and its receptor (ST2) are expressed constitutively in human and murine retina and choroid...
October 4, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27699235/il1rl1-asthma-risk-variants-regulate-airway-type-2-inflammation
#10
Erin D Gordon, Joe Palandra, Agata Wesolowska-Andersen, Lando Ringel, Cydney L Rios, Marrah E Lachowicz-Scroggins, Louis Z Sharp, Jamie L Everman, Hannah J MacLeod, Jae W Lee, Robert J Mason, Michael A Matthay, Richard T Sheldon, Michael C Peters, Karl H Nocka, John V Fahy, Max A Seibold
Genome-wide association studies of asthma have identified genetic variants in the IL1RL1 gene, but the molecular mechanisms conferring risk are unknown. IL1RL1 encodes the ST2 receptor (ST2L) for IL-33 and an inhibitory decoy receptor (sST2). IL-33 promotes type 2 inflammation, which is present in some but not all asthmatics. We find that two single nucleotide polymorphisms (SNPs) in IL1RL1 - rs1420101 and rs11685480 - are strongly associated with plasma sST2 levels, though neither is an expression quantitative trait locus (eQTL) in whole blood...
September 8, 2016: JCI Insight
https://www.readbyqxmd.com/read/27690378/il-33-induced-cytokine-secretion-and-survival-of-mouse-eosinophils-is-promoted-by-autocrine-gm-csf
#11
Ralf Willebrand, David Voehringer
Eosinophils are major effector cells during allergic responses and helminth infections. Recent studies further highlight eosinophils as important players in many other biological processes. Therefore it is important to understand how these cells can be modulated in terms of survival and effector function. In the present study we investigated how eosinophils respond to the alarmin IL-33. We show that IL-33 promotes eosinophil survival in a ST2- and MyD88-dependent manner. IL-33-mediated protection from apoptosis was dependent on autocrine GM-CSF release...
2016: PloS One
https://www.readbyqxmd.com/read/27683753/il-33-precedes-il-5-in-regulating-eosinophil-commitment-and-is-required-for-eosinophil-homeostasis
#12
Laura K Johnston, Chia-Lin Hsu, Rebecca A Krier-Burris, Krishan D Chhiba, Karen B Chien, Andrew McKenzie, Sergejs Berdnikovs, Paul J Bryce
Eosinophils are important in the pathogenesis of many diseases, including asthma, eosinophilic esophagitis, and eczema. Whereas IL-5 is crucial for supporting mature eosinophils (EoMs), the signals that support earlier eosinophil lineage events are less defined. The IL-33R, ST2, is expressed on several inflammatory cells, including eosinophils, and is best characterized for its role during the initiation of allergic responses in peripheral tissues. Recently, ST2 expression was described on hematopoietic progenitor subsets, where its function remains controversial...
September 28, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27679954/ifn-%C3%AE-blocks-development-of-an-asthma-phenotype-in-rhinovirus-infected-baby-mice-by-inhibiting-ilc2s
#13
Mingyuan Han, Jun Young Hong, Suraj Jaipalli, Charu Rajput, Jing Lei, Joanna L Hinde, Qiang Chen, Natalie M Hershenson, J Kelley Bentley, Marc B Hershenson
Early-life wheezing-associated infections with rhinovirus (RV) have been associated with asthma development in children. We have shown that RV infection of six day-old mice induces mucous metaplasia and airways hyperresponsiveness which is dependent on IL-13, IL-25 and type 2 innate lymphoid cells (ILC2s). Infection of immature mice fails to induce lung IFN-γ expression, in contrast to mature 8 week-old mice with a robust IFN-γ response, consistent with the notion that deficient IFN-γ production in immature mice permits RV-induced type 2 immune responses...
September 28, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27670243/t-bet-inhibits-innate-lymphoid-cell-mediated-eosinophilic-airway-inflammation-by-suppressing-il-9-production
#14
Ayako Matsuki, Hiroaki Takatori, Sohei Makita, Masaya Yokota, Tomohiro Tamachi, Akira Suto, Kotaro Suzuki, Koichi Hirose, Hiroshi Nakajima
BACKGROUND: Innate lymphoid cells (ILCs) are emerging subsets of immune cells that produce large amounts of cytokines upon cytokine and/or alarmin stimulation. Recent studies have shown that T-bet plays pivotal roles in the development of ILC3s and ILC1s; however, the roles of T-bet in lung ILC2s remain unknown. OBJECTIVE: To determine the role of T-bet in ILC2-mediated airway inflammation. METHODS: The expression of T-bet in lung ILCs (defined as Thy1...
September 23, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27644880/il-33-signaling-fuels-outgrowth-and-metastasis-of-human-lung-cancer
#15
Chunhong Wang, Zengsheng Chen, Xiangmao Bu, Yang Han, Shan Shan, Tao Ren, Weiqing Song
IL-33 is a member of IL-1 superfamily that drives production of Th2-related cytokines. Recently, accumulating evidence suggest an involvement of IL-33 in carcinogenesis. Herein, we determine a close correlation of IL-33 expression and cancer progress in patients with non-small-cell lung cancer (NSCLC). Overexpression of IL-33 by transfection with IL-33 expression vector enhances NSCLC outgrowth and metastasis, while genetic knockdown of IL-33 by transfection with IL-33 shRNA limits NSCLC progression. In consistent, IL-33 stimulation of NSCLC cells leads to robust NSCLC outgrowth and metastasis in vitro and in vivo...
October 21, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27590709/irinotecan-and-5-fluorouracil-induced-intestinal-mucositis-insights-into-pathogenesis-and-therapeutic-perspectives
#16
Ronaldo A Ribeiro, Carlos W S Wanderley, Deysi V T Wong, José Maurício S C Mota, Caio A V G Leite, Marcellus H L P Souza, Fernando Q Cunha, Roberto C P Lima-Júnior
PURPOSE: Intestinal mucositis and diarrhea are common manifestations of anticancer regimens that include irinotecan, 5-fluorouracil (5-FU), and other cytotoxic drugs. These side effects negatively impact therapeutic outcomes and delay subsequent cycles of chemotherapy, resulting in dose reductions and treatment discontinuation. Here, we aimed to review the experimental evidence regarding possible new targets for the management of irinotecan- and 5-FU-related intestinal mucositis. METHODS: A literature search was performed using the PubMed and MEDLINE databases...
September 2, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27579324/potential-of-il-33-for-preventing-the-kidney-injury-via-regulating-the-lipid-metabolism-in-gout-patients
#17
Lihua Duan, Yan Huang, Qun Su, Qingyan Lin, Wen Liu, Jiao Luo, Bing Yu, Yan He, Hongyan Qian, Yuan Liu, Jie Chen, Guixiu Shi
Interleukin-33 (IL-33), the most recently discovered member of the IL-1 superfamily, has been linked to several human pathologies including autoimmune diseases, sepsis, and allergy through its specific IL-1 receptor ST2. However, there is little information regarding the role of IL-33 in gout. In this study, we investigated the potential role of IL-33 in gout patients. The serum level of IL-33 was measured by ELISA, and the clinical and laboratory parameters, serum creatinine, urea, and lipid, were extracted from medical record system...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27569535/il-1r1-myd88-axis-elicits-papain-induced-lung-inflammation
#18
Rafiou Agoro, Julie Piotet-Morin, Jennifer Palomo, Chloé Michaudel, Solenne Vigne, Isabelle Maillet, Pauline Chenuet, Noëlline Guillou, Jessica Le Bérichel, Malgorzata Kisielow, Ulf Per Flodby, Marc Le Bert, Valérie Quesniaux, Matthias Muller, Franco Di Padova, Bernhard Ryffel, Cem Gabay, Aurélie Couturier-Maillard
Allergic asthma is characterized by a strong Th2 response with inflammatory cell recruitment and structural changes in the lung. Papain is a protease allergen disrupting the airway epithelium triggering a rapid inflammation with eosinophilia mediated by innate lymphoid cell activation (ILC2) and leading to a Th2 immune response. In this study, we focused on inflammatory responses to a single exposure to papain and showed that intranasal administration of papain results in the recruitment of inflammatory cells, including neutrophils and eosinophils with a rapid production of IL-1α, IL-1β, and IL-33...
August 28, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27565556/soluble-st2-is-a-sensitive-clinical-marker-of-ulcerative-colitis-evolution
#19
David Díaz-Jiménez, Marjorie De la Fuente, Karen Dubois-Camacho, Glauben Landskron, Janitza Fuentes, Tamara Pérez, María Julieta González, Daniela Simian, Marcela A Hermoso, Rodrigo Quera
BACKGROUND: The ST2/IL-33 pathway has been related to ulcerative colitis (UC), and soluble ST2 (sST2), to disease severity. We tested the potential usefulness of sST2 as a predictive marker of treatment response and patients' outcome. METHODS: Twenty-six patients with active UC were prospectively recruited and grouped according to an endoscopic score and therapy response. Colonoscopic biopsies were collected at baseline and 6 months or when patients showed clinical activity...
2016: BMC Gastroenterology
https://www.readbyqxmd.com/read/27562326/matrine-downregulates-il-33-st2-expression-in-the-central-nervous-system-of-rats-with-experimental-autoimmune-encephalomyelitis
#20
Xiaoyu Zhao, Xiaojian Zhang, Ying Lv, Yuming Xu, Menglong Li, Qingxia Pan, Yaojuan Chu, Nan Liu, Guang-Xian Zhang, Lin Zhu
Interleukin (IL)-33 is a recently described member of the IL-1 family and functions as a ligand for ST2, a member of the IL-1 receptor family. The role of IL-33/ST2 axis in the pathogenesis of experimental autoimmune encephalomyelitis (EAE), an experimental model of multiple sclerosis (MS), remains controversial. Matrine (MAT), a quinolizidine alkaloid derived from the herb Radix Sophorae Flave, has been recently found to suppress clinical EAE and CNS inflammation. However, the underlying immunoregulatory mechanisms have not been fully elucidated, and whether this effect of MAT is through inhibiting the function of the IL-33/ST2 axis is not known...
October 2016: Immunology Letters
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