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https://www.readbyqxmd.com/read/29331644/ozone-exposure-induces-respiratory-barrier-biphasic-injury-and-inflammation-controlled-by-interleukin-33
#1
Chloé Michaudel, Claire Mackowiak, Isabelle Maillet, Louis Fauconnier, Cezmi Akdis, Milena Sokolowska, Anita Dreher, Hern-Tze Tina Tan, Valérie F Quesniaux, Bernhard Ryffel, Dieudonnée Togbe
BACKGROUND: IL-33 plays critical role in the regulation of tissue homeostasis, injury and repair. Whether IL-33 regulates neutrophil recruitment and function independently of airways hyperresponsiveness (AHR) in ozone induced lung injury and inflammation is unclear. OBJECTIVE: To examine the role of IL-33/ST2 axis in lung inflammation upon acute ozone exposure in mice. METHODS: ST2 and IL-33 deficient mice, IL-33-citrine reporter and C57BL/6 (WT) mice underwent a single ozone exposure (1 ppm for 1h) in all studies...
January 10, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29331643/glucagon-like-peptide-1-signaling-inhibits-allergen-induced-lung-il-33-release-and-reduces-group-2-innate-lymphoid-cell-ilc2-cytokine-production-in-vivo
#2
Shinji Toki, Kasia Goleniewska, Sara Reiss, Jian Zhang, Melissa H Bloodworth, Matthew T Stier, Weisong Zhou, Dawn C Newcomb, Lorraine B Ware, Gregg D Stanwood, Aurelio Galli, Kelli L Boyd, Kevin D Niswender, R Stokes Peebles
BACKGROUND: IL-33 is one of the most consistently associated gene candidates for asthma identified by GWAS. Studies in mice and in human cells have confirmed the importance of IL-33 in inducing type-2 cytokine production from both group 2 innate lymphoid cells (ILC2) and Th2 cells. However, there are no pharmacologic agents known to inhibit IL-33 release from airway cells. OBJECTIVE: To determine the effect of glucagon like peptide receptor-1 GLP-1R signaling on aeroallergen-induced airway IL-33 production and release and on innate type-2 airway inflammation...
January 10, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29329638/role-of-the-il-33-st2l-axis-in-colorectal-cancer-progression
#3
Miho Akimoto, Keizo Takenaga
Interleukin-33 (IL-33) has been identified as a natural ligand of ST2L. IL-33 primarily acts as a key regulator of Th2 responses through binding to ST2L, which is antagonized by soluble ST2 (sST2). The IL-33/ST2L axis is involved in various inflammatory pathologies, including ulcerative colitis (UC). Several recent investigations have also suggested that the IL-33/ST2L axis plays a role in colorectal cancer (CRC) progression. In CRC, tumor- and stroma-derived IL-33 may activate ST2L on various cell types in an autocrine and paracrine manner...
January 9, 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29329586/il-33-st2-signaling-contributes-to-radicular-pain-by-modulating-mapk-and-nf-%C3%AE%C2%BAb-activation-and-inflammatory-mediator-expression-in-the-spinal-cord-in-rat-models-of-noncompressive-lumber-disk-herniation
#4
Si-Jian Huang, Jian-Qin Yan, Hui Luo, Lu-Yao Zhou, Jian-Gang Luo
BACKGROUND: Immune and inflammatory responses occurring in the spinal cord play a pivotal role in the progression of radicular pain caused by intervertebral disk herniation. Interleukin-33 (IL-33) orchestrates inflammatory responses in a wide range of inflammatory and autoimmune disorders of the nervous system. Thus, the purpose of this study is to investigate the expression of IL-33 and its receptor ST2 in the dorsal spinal cord and to elucidate whether the inhibition of spinal IL-33 expression significantly attenuates pain-related behaviors in rat models of noncompressive lumbar disc herniation...
January 12, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29325227/soluble-st2-in-end-stage-heart-failure-before-and-after-support-with-a-left-ventricular-assist-device
#5
C C S Tseng, M M H Huibers, L H Gaykema, E Siera-de Koning, F Z Ramjankhan, A S Maisel, N de Jonge
BACKGROUND: The interleukin-33 (IL-33)/supressor of tumorigenicity 2 (ST2) pathway is suggested to play an important role in fibrosis, remodeling and the progression of heart failure (HF). Increased soluble (sST2) levels are associated with adverse outcome in the average HF population. Less is known about sST2 levels in end-stage HF. Therefore, we studied sST2 levels in end-stage HF and the effect of unloading by left ventricular assist device (LVAD) support on sST2 levels. METHOD AND RESULTS: Serial plasma measurements of sST2 were performed pre-implantation and 1, 3 and 6 months after (LVAD) implantation in 38 patients...
January 11, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29319364/comparative-study-of-il-33-and-il-6-levels-in-different-respiratory-samples-in-mild-to-moderate-asthma-and-copd
#6
Katarzyna Gorska, Patrycja Nejman-Gryz, Magdalena Paplinska-Goryca, Piotr Korczynski, Monika Prochorec-Sobieszek, Rafal Krenke
IL-6 and IL-33 are involved in the inflammatory process in obstructive lung diseases. In contrast to IL-6, few data on the expression of IL-33 in different biological samples from asthma and COPD patients are available. The aim was to evaluate the expressions of IL-33 and IL-6 in bronchial mucosa and to compare these expressions with the concentrations of both cytokines in various respiratory samples from patients with mild-to-moderate asthma and COPD. Serum, induced sputum and exhaled breath condensate IL-6 and IL-33 levels, as well as their expression in bronchial mucosa were evaluated in 22 asthma and 33 COPD patients...
January 10, 2018: COPD
https://www.readbyqxmd.com/read/29318623/subcutaneous-immunotherapy-with-purified-der-p1-and-2-suppresses-type-2-immunity-in-a-murine-asthma-model
#7
Laura Hesse, Nienke van Ieperen, Corine Habraken, Arjen H Petersen, Silvia Korn, Tim Smilda, Betty Goedewaagen, Marcel H Ruiters, Adrianus C van der Graaf, Martijn C Nawijn
Allergen-specific immunotherapy can induce long-term suppression of allergic symptoms, reduce medication use and prevent exacerbations of allergic rhinitis and asthma. Current treatment is based on crude allergen extracts, which contain immunostimulatory components such as β-glucans, chitins and endotoxin. Use of purified or recombinant allergens might therefore increase efficacy of treatment. Here, we test application of purified natural group 1 and 2 allergens from Dermatophagoides pteronyssinus (Der p) for subcutaneous immunotherapy (SCIT) treatment in a house dust mite (HDM) driven mouse model of allergic asthma...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29309756/dichotomous-function-of-il-33-in-health-and-disease-from-biology-to-clinical-implications
#8
REVIEW
Harald Braun, Inna S Afonina, Christina Mueller, Rudi Beyaert
Interleukin (IL)-33 is a cytokine that is released from epithelial and endothelial cells at barrier surfaces upon tissue stress or damage to operate as an alarmin. IL-33 has been primarily implicated in the induction of T helper (Th) 2 type immune responses. Therefore, IL-33 has attracted a lot of interest as a potential therapeutic target in asthma and other allergic diseases. Over the years, it has become clear that IL-33 has a much broader activity and also contributes to Th1 immunity, expanding the possibilities for therapeutic modulation of IL-33 activity to multiple inflammatory diseases...
January 5, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29307857/role-of-regulatory-t-cells-in-irinotecan-induced-intestinal-mucositis
#9
Camila Fernandes, Carlos Wagner Souza Wanderley, Camila Meireles Souza Silva, Heitor Amorim Muniz, Maraiza Alves Teixeira, Nathália Ribeiro Pinho Souza, André George Ferreira Cândido, Renata Brito Falcão, Marcellus Henrique Loiola Ponte Souza, Paulo Roberto Carvalho Almeida, Lilia Maria Carneiro Câmara, Roberto César Pereira Lima-Júnior
Intestinal mucositis (IM) is a common side effect of irinotecan-based chemotherapy. The involvement of inflammatory mediators, such as TNF-α, IL1-β, IL-18 and IL-33, has been demonstrated. However, the role of adaptive immune system cells, whose activation is partially regulated by these cytokines, is yet unknown. Thus, we investigated the role of regulatory T cells (Tregs) in irinotecan-induced IM. C57BL/6 mice were injected with saline or irinotecan (75mgkg-1, i.p.), once a day for 4days, and euthanized at day 1, 3, 5 or 7 following the first dose of irinotecan...
January 4, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29305434/modulation-of-the-il-33-il-13-axis-in-obesity-by-il-13r%C3%AE-2
#10
Jennifer Duffen, Melvin Zhang, Katherine Masek-Hammerman, Angela Nunez, Agnes Brennan, Jessica E C Jones, Jeffrey Morin, Karl Nocka, Marion Kasaian
In obesity, IL-13 overcomes insulin resistance by promoting anti-inflammatory macrophage differentiation in adipose tissue. Endogenous IL-13 levels can be modulated by the IL-13 decoy receptor, IL-13Rα2, which inactivates and depletes the cytokine. In this study, we show that IL-13Rα2 is markedly elevated in adipose tissues of obese mice. Mice deficient in IL-13Rα2 had high expression of IL-13 response markers in adipose tissue, consistent with increased IL-13 activity at baseline. Moreover, exposure to the type 2 cytokine-inducing alarmin, IL-33, enhanced serum and tissue IL-13 concentrations and elevated tissue eosinophils, macrophages, and type 2 innate lymphoid cells...
January 5, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29302700/immunization-with-an-adenovirus-vectored-tb-vaccine-containing-ag85a-mtb32-effectively-alleviates-allergic-asthma
#11
Yiling Zhang, Ying Feng, Liang Li, Xianmiao Ye, Jinlin Wang, Qian Wang, Pingchao Li, Na Li, Xuehua Zheng, Xiang Gao, Chufang Li, Feng Li, Baoqing Sun, Kefang Lai, Zhong Su, Nanshan Zhong, Ling Chen, Liqiang Feng
Current treatments for allergic asthma primarily ameliorate symptoms rather than inhibit disease progression. Regulating the excessive T helper type 2 (Th2) responses may prevent asthma exacerbation. In this study, we investigated the protective effects of Ad5-gsgAM, an adenovirus vector carrying two mycobacterial antigens Ag85A and Mtb32, against allergic asthma. Using an ovalbumin (OVA)-induced asthmatic mouse model, we found that Ad5-gsgAM elicited much more Th1-biased CD4+T and CD8+T cells than bacillus Calmette-Guérin (BCG)...
January 4, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29296700/il-33-il-25-and-tslp-induce-a-distinct-phenotypic-and-activation-profile-in-human-type-2-innate-lymphoid-cells
#12
Ana Camelo, Guglielmo Rosignoli, Yoichiro Ohne, Ross A Stewart, Catherine Overed-Sayer, Matthew A Sleeman, Richard D May
Innate lymphoid cells (ILCs) represent a distinct branch of the lymphoid lineage composed of 3 major subpopulations: ILC1, ILC2, and ILC3. ILCs are mainly described as tissue-resident cells but can be detected at low levels in human blood. However, unlike mouse ILCs, there is still no consistent methodology to purify and culture these cells that enables in-depth analysis of their intrinsic biology. Here, we describe defined culture conditions for ILC2s, which allowed us to dissect the roles of interleukin 2 (IL-2), IL-25, IL-33, and thymic stromal lymphopoietin (TSLP) individually, or in combination, in modulating ILC2 phenotype and function...
April 11, 2017: Blood Advances
https://www.readbyqxmd.com/read/29295873/potentiating-tissue-resident-type-2-innate-lymphoid-cells-by-il-33-to-prevent-renal-ischemia-reperfusion-injury
#13
Qi Cao, Yiping Wang, Zhiguo Niu, Chengshi Wang, Ruifeng Wang, Zhiqiang Zhang, Titi Chen, Xin Maggie Wang, Qing Li, Vincent W S Lee, Qingsong Huang, Jing Tan, Minghao Guo, Yuan Min Wang, Guoping Zheng, Di Yu, Stephen I Alexander, Hui Wang, David C H Harris
The IL-33-type 2 innate lymphoid cell (ILC2) axis has an important role in tissue homeostasis, inflammation, and wound healing. However, the relative importance of this innate immune pathway for immunotherapy against inflammation and tissue damage remains unclear. Here, we show that treatment with recombinant mouse IL-33 prevented renal structural and functional injury and reduced mortality in mice subjected to ischemia-reperfusion injury (IRI). Compared with control-treated IRI mice, IL-33-treated IRI mice had increased levels of IL-4 and IL-13 in serum and kidney and more ILC2, regulatory T cells (Tregs), and anti-inflammatory (M2) macrophages...
January 2, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29288203/the-p38-mk2-3-module-is-critical-for-il-33-induced-signaling-and-cytokine-production-in-dendritic-cells
#14
Christiane Göpfert, Nico Andreas, Franziska Weber, Norman Häfner, Tatiana Yakovleva, Matthias Gaestel, Thomas Kamradt, Sebastian Drube
IL-33 is an IL-1 cytokine superfamily member. Binding of IL-33 to the IL-33R induces activation of the canonical NF-κB signaling and activation of MAPKs. In bone marrow-derived dendritic cells, IL-33 induces the production of IL-6, IL-13, and TNF-α. However, the signaling pathways resulting in IL-33-induced effector functions of dendritic cells are unknown. In this article, we show that the IL-33-induced cytokine production is only partly dependent on p65. Thereby, p65 mediates the production of IL-6, but not of IL-13, whereas the p38-Mapk-activated protein kinases 2/3 (MK2/3) signaling module mediates the IL-13, but not the IL-6, production...
December 29, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29285671/the-interleukin-33-st2-pathway-is-expressed-in-the-failing-human-heart-and-associated-with-pro-fibrotic-remodeling-of-the-myocardium
#15
Cheyenne C S Tseng, Manon M H Huibers, Joyce van Kuik, Roel A de Weger, Aryan Vink, Nicolaas de Jonge
The interleukin-33 (IL-33)/suppression of tumorigenicity 2 (ST2) pathway is a potential pathophysiological mediator of cardiac fibrosis. Soluble ST2 (sST2) is one of the main isoforms of ST2 with strong prognostic value in cardiac disease. The exact role of sST2 in cardiac fibrosis is unknown. The aim of this study was (1) to investigate myocardial expression of the IL-33/ST2 pathway in relation to myocardial fibrosis in end-stage heart failure patients and (2) to study whether plasma sST2 is associated with histologically determined cardiac fibrosis...
December 28, 2017: Journal of Cardiovascular Translational Research
https://www.readbyqxmd.com/read/29283120/correlation-of-interleukin-33-with-th-cytokines-and-clinical-severity-of-dry-eye-disease
#16
Guoping Luo, Yan Xin, Dajun Qin, Aihua Yan, Zhiyan Zhou, Zhaoxia Liu
PURPOSE: The purpose of this study is to determine the tear and serum protein levels of interleukin-33 (IL-33) and its correlation with Th cytokines and disease severity in dry eye (DE) syndrome. METHODS: Tear and serum samples were collected from 30 healthy volunteers, 30 DE patients with non-Sjogren's syndrome DE (NSSDE) and 30 DE patients with primary SSDE. The eight most frequent symptoms of DE were scored. All patients underwent corneal and conjunctival staining, tear film breakup time (TBUT), and Schirmer I test...
January 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29282304/type-2-cysteinyl-leukotriene-receptors-drive-il-33-dependent-type-2-immunopathology-and-aspirin-sensitivity
#17
Tao Liu, Nora A Barrett, Yoshihide Kanaoka, Eri Yoshimoto, Denise Garofalo, Haley Cirka, Chunli Feng, Joshua A Boyce
Cysteinyl leukotrienes (cysLTs) facilitate mucosal type 2 immunopathology by incompletely understood mechanisms. Aspirin-exacerbated respiratory disease, a severe asthma subtype, is characterized by exaggerated eosinophilic respiratory inflammation and reactions to aspirin, each involving the marked overproduction of cysLTs. Here we demonstrate that the type 2 cysLT receptor (CysLT2R), which is not targeted by available drugs, is required in two different models to amplify eosinophilic airway inflammation via induced expression of IL-33 by lung epithelial cells...
December 27, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29261670/human-intrahepatic-ilc2-are-il-13positive-amphiregulinpositive-and-their-frequency-correlates-with-model-of-end-stage-liver-disease-score
#18
Hannah C Jeffery, Patrick McDowell, Philipp Lutz, Rebecca E Wawman, Sheree Roberts, Chris Bagnall, Jane Birtwistle, David H Adams, Ye Htun Oo
INTRODUCTION: Innate lymphoid cells (ILC) have been implicated in the initiation of inflammation and fibrosis in mice. However, ILC have not been characterized in inflamed human liver tissue. METHODS: Human intrahepatic lymphocytes were isolated by mechanical digestion and phenotyped by flow cytometry. Conditioned medium from cultures of primary human biliary epithelial cells, stellate cells, fibroblasts and inflamed human liver tissue was used to model the effects of the inflammatory liver environment of ILC phenotype and function...
2017: PloS One
https://www.readbyqxmd.com/read/29259273/increased-plasma-il-17-il-31-and-il-33-levels-in-chronic-spontaneous-urticaria
#19
Wei Lin, Qiongyan Zhou, Chunbo Liu, Mengxia Ying, Suling Xu
Chronic spontaneous urticaria (CSU) is considered in a subset of patients to be an autoimmune disorder. Interleukin(IL)-17, IL-31, and IL-33 are involved in some immune response. The aim of this study was to quantify plasma IL-17, IL-31, and IL-33 levels in CSU patients and to examine their relationships with disease severity. Plasma IL-17, IL-31, and IL-33 concentration were measured in 51 CSU patients and 20 healthy subjects (HCs). Plasma IL-17 (P < 0.001), IL-31 (P < 0.001), and IL-33 (P < 0...
December 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29250067/group-2-innate-lymphoid-cells-exhibit-a-dynamic-phenotype-in-allergic-airway-inflammation
#20
Bobby W S Li, Ralph Stadhouders, Marjolein J W de Bruijn, Melanie Lukkes, Dior M J M Beerens, Maarten D Brem, Alex KleinJan, Ingrid Bergen, Heleen Vroman, Mirjam Kool, Wilfred F J van IJcken, Tata Nageswara Rao, Hans Jörg Fehling, Rudi W Hendriks
Group 2 innate lymphoid cells (ILC2) are implicated in allergic asthma as an early innate source of the type 2 cytokines IL-5 and IL-13. However, their induction in house dust mite (HDM)-mediated airway inflammation additionally requires T cell activation. It is currently unknown whether phenotypic differences exist between ILC2s that are activated in a T cell-dependent or T cell-independent fashion. Here, we compared ILC2s in IL-33- and HDM-driven airway inflammation. Using flow cytometry, we found that surface expression levels of various markers frequently used to identify ILC2s were dependent on their mode of activation, highly variable over time, and differed between tissue compartments, including bronchoalveolar lavage (BAL) fluid, lung, draining lymph nodes, and spleen...
2017: Frontiers in Immunology
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