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IL-33 ST2

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https://www.readbyqxmd.com/read/28916390/il-33-receptor-st2-deficiency-attenuates-renal-ischaemia-reperfusion-injury-in-euglycaemic-but-not-streptozotocin-induced-hyperglycaemic-mice
#1
M Sehnine, M Ferhat, S Sena, J M Gombert, J M Goujon, A Thierry, G Touchard, T Hauet, A Herbelin, S Hadjadj
AIM: Kidney hypoxia can predispose to the development of acute and chronic renal failure in diabetes. Ischaemia-reperfusion injury (IRI) causes inflammation, and diabetes is known to exacerbate this inflammatory response in the kidney, whereas alarmin IL-33 could act as an innate immune mediator during kidney IRI. Thus, the present study examined the impact of genetic IL-33 receptor ST2 deficiency (ST2-/-) on renal IRI in euglycaemic and hyperglycaemic mice. METHODS: Hyperglycaemia was induced with streptozotocin (STZ) in adult male C57BL/6JRj wild-type (WT) mice and ST2-/- mice...
September 12, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28881817/dectin-1-signaling-inhibits-osteoclastogenesis-via-il-33-induced-inhibition-of-nfatc1
#2
Xiaoqing Zhu, Yinghua Zhao, Yuxue Jiang, Tianxue Qin, Jintong Chen, Xiao Chu, Qing Yi, Sujun Gao, Siqing Wang
Abnormal osteoclast activation contributes to osteolytic bone diseases (OBDs). It was reported that curdlan, an agonist of dectin-1, inhibits osteoclastogenesis. However, the underlying mechanisms are not fully elucidated. In this study, we found that curdlan potently inhibited RANKL-induced osteoclast differentiation and the resultant bone resorption. Curdlan inhibited the expression of nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), the key transcriptional factor for osteoclastogenesis. Notably, dectin-1 activation increased the expression of MafB, an inhibitor of NFATc1, and IL-33 in osteoclast precursors...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881679/mir-487b-mitigates-chronic-heart-failure-through-inhibition-of-the-il-33-st2-signaling-pathway
#3
En-Wei Wang, Xu-Sheng Jia, Chang-Wu Ruan, Zhi-Ru Ge
We investigated the effects of microRNA-587b (miR-487b) in a rat model of chronic heart failure (CHF). Wistar rats were assigned to 10 groups (n=8 per group). Expression of interleukin-33 (IL-33), somatostatin 2 (ST2), IL-6, and TNF-α was higher in the CHF group than the control group. In the CHF, negative control (NC) for si-IL-33, NC for miR-487b mimic, NC for miR-487b inhibitor, and miR-487b inhibitor + si IL-33 groups, as compared to the blank and sham groups: steroid binding protein (SBP), D binding protein (DBP), left ventricular systolic pressure (LVSP), ± dp/dtmax, and superoxide dismutase (SOD) were all lower; myocardial fibrosis, MDA, left ventricular end-diastolic pressure (LVEDP), myocardial apoptosis rate, IL-6, and TNF-α were all higher; levels of IL-33 and ST2 mRNA and protein were higher; and levels of miR-487b were lower...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878285/interleukin-33-promotes-inflammation-induced-lymphangiogenesis-via-st2-traf6-mediated-akt-enos-no-signalling-pathway
#4
Longhui Han, Minglian Zhang, Xu Liang, Xin Jia, Jinchen Jia, Miying Zhao, Yiming Fan
The interplay between inflammation and lymphangiogenesis is mediated by various cytokines. However, most of these molecules and their associated mechanism are yet to be defined. Here, we explored the role of IL-33 in modulating inflammation-induced lymphangiogenesis (ILA) and its underlying mechanisms using an ILA mouse model and a lymphatic endothelial cell (LEC) line. Our results show that IL-33 promoted the proliferation, migration and tube formation of LECs and ILA in vivo. The pro-lymphangiogenic activity of IL-33 was abolished by ST2 blockage...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28878123/the-r213g-polymorphism-in-sod3-protects-against-allergic-airway-inflammation
#5
Rohit Gaurav, Jason T Varasteh, Michael R Weaver, Sean R Jacobson, Laura Hernandez-Lagunas, Qing Liu, Eva Nozik-Grayck, Hong Wei Chu, Rafeul Alam, Børge G Nordestgaard, Camilla J Kobylecki, Shoaib Afzal, Geoffrey L Chupp, Russell P Bowler
Oxidative stress is important in the pathogenesis of allergic asthma. Extracellular superoxide dismutase (EC-SOD; SOD3) is the major antioxidant in lungs, but its role in allergic asthma is unknown. Here we report that asthmatics have increased SOD3 transcript levels in sputum and that a single nucleotide polymorphism (SNP) in SOD3 (R213G; rs1799895) changes lung distribution of EC-SOD, and decreases likelihood of asthma-related symptoms. Knockin mice analogous to the human R213G SNP had lower airway hyperresponsiveness, inflammation, and mucus hypersecretion with decreased interleukin-33 (IL-33) in bronchoalveolar lavage fluid and reduced type II innate lymphoid cells (ILC2s) in lungs...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28870670/il-1-receptor-like-1-protects-against-alcoholic-liver-injury-by-limiting-nf-%C3%AE%C2%BAb-activation-in-hepatic-macrophages
#6
Meng Wang, Guannan Shen, Liangguo Xu, Xiaodong Liu, Jared M Brown, Dechun Feng, Ruth Ann Ross, Bin Gao, Suthat Liangpunsakul, Cynthia Ju
BACKGROUND & AIM: Alcohol consumption, through increasing intestinal permeability and causing hepatocytes damage, leads to the release of pathogen- and damage-associated molecular pattern molecules (PAMPs and DAMPs). These molecules stimulate hepatic macrophages (MΦs) and activate NF-κB, resulting in inflammation and exacerbating alcoholic liver disease (ALD). However, much less is known about the mechanisms attenuating inflammation and preventing disease progression in the majority of the heavy drinkers...
September 1, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28857821/serum-st2-level-is-an-independent-predictor-of-all-cause-mortality-in-hiv-infected-patients-aquitaine-cohort-france
#7
Rodolphe Thiébaut, Sophie Hue, Fabien Le Marec, Jean Daniel Lelièvre, Michel Dupon, Emile Foucat, Estibaliz Lazaro, François Dabis, Pierre Duffau, Linda Wittkop, Mathieu Surenaud, Isabelle Pellegrin, Christine Lacabaratz, Fabrice Bonnet, Yves Lévy
OBJECTIVE: To evaluate the predictive value of Soluble Suppression of Tumorigenicity 2 (sST2), a decoy receptor of IL-33 involved in several inflammatory and immune diseases, for death in HIV infection. DESIGN: Patients enrolled in the ANRS CO3 Aquitaine Cohort, a prospective hospital-based cohort of HIV-1-infected patients, who had a plasma sample available in the bio-bank were systematically eligible. METHODS: sST2, sCD14 and IL6 were measured using Luminex® multiplex bead-based technology (R&D Systems) and a Bio-Plex 200 instrument (BioRad)...
August 28, 2017: AIDS
https://www.readbyqxmd.com/read/28857185/5-12-lipoxygenase-linked-cascade-contributes-to-the-il-33-induced-synthesis-of-il-13-in-mast-cells-thus-promoting-asthma-development
#8
MyungJa Ro, A-Jin Lee, Jae-Hong Kim
BACKGROUND: As asthma progresses, the levels of IL-33 in serum are markedly increased and contribute to asthmatic development and exacerbation. Mast cells, one of the principal effector cells in the pathogenesis of asthma, express high levels of the IL-33 receptor ST2 and have been shown to be activated by IL-33. Thus, IL-33 stimulates mast cells to produce Th2-type cytokines such as IL-13, thus contributing to asthmatic development. However, the signaling mechanism for IL-33-induced synthesis of Th2 cytokines, particularly IL-13, has not been fully elucidated in mast cells...
August 30, 2017: Allergy
https://www.readbyqxmd.com/read/28857184/pathogenicity-of-memory-th2-cells-is-linked-to-stage-of-allergic-rhinitis
#9
T Iinuma, Y Okamoto, Y Morimoto, T Arai, T Sakurai, S Yonekura, D Sakurai, K Hirahara, T Nakayama
BACKGROUND: Allergic rhinitis (AR) consists of three developmental stages that are based on the presence/absence of antigen-specific IgE and symptoms. The pathogenic Th2 (Tpath2) cells constitute a population of Th2 cells with additional potentially pathogenic characteristics. We examined the relationship between Tpath2 cells and the stages of allergic rhinitis by focusing on ST2, which is an IL-33 receptor. METHODS: Patients with Japanese cedar pollen-induced AR (JCP-AR) and healthy volunteers were divided into "nonsensitized," "asymptomatic sensitized (AS)," and "JCP-AR" groups...
August 30, 2017: Allergy
https://www.readbyqxmd.com/read/28836625/corrigendum-il-33-st2-immune-responses-to-respiratory-bacteria-in-pediatric-asthma
#10
Isabella Hentschke, Anna Graser, Volker O Melichar, Alexander Kiefer, Theodor Zimmermann, Bettina Kroß, Patricia Haag, Paraskevi Xepapadaki, Nikolaos G Papadopoulos, Christian Bogdan, Susetta Finotto
This corrects the article DOI: 10.1038/srep43426.
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801624/stingray-venom-activates-il-33-producing-cardiomyocytes-but-not-mast-cell-to-promote-acute-neutrophil-mediated-injury
#11
Janaina Cardoso Dos Santos, Lidiane Zito Grund, Carla Simone Seibert, Elineide Eugênio Marques, Anderson Brito Soares, Valerie F Quesniaux, Bernhard Ryffel, Monica Lopes-Ferreira, Carla Lima
One of the hallmarks of acute inflammation is neutrophil infiltration of tissues. We investigated molecular mechanisms implicated in acute neutrophilic inflammation induced by the venom of a freshwater stingray (Potamotrygon cf. henlei) in mice. Ray venom induced early mobilization of neutrophil in the microvasculature of cremaster mice and infiltration of the peritoneal cavity 2 hours after injury, in a dose-response manner. IL-1β, IL-6, TNF-α, and KC were produced. The neutrophilic infiltration did not occur in mice with ST2 receptor and MyD88 adapters neutralized, or in those with PI3K and p38 MAPK signaling blocked...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28783152/genome-wide-dna-methylation-landscape-defines-specialization-of-regulatory-t-cells-in-tissues
#12
Michael Delacher, Charles D Imbusch, Dieter Weichenhan, Achim Breiling, Agnes Hotz-Wagenblatt, Ulrike Träger, Ann-Cathrin Hofer, Danny Kägebein, Qi Wang, Felix Frauhammer, Jan-Philipp Mallm, Katharina Bauer, Carl Herrmann, Philipp A Lang, Benedikt Brors, Christoph Plass, Markus Feuerer
Regulatory T cells (Treg cells) perform two distinct functions: they maintain self-tolerance, and they support organ homeostasis by differentiating into specialized tissue Treg cells. We found that epigenetic modifications defined the molecular characteristics of tissue Treg cells. Tagmentation-based whole-genome bisulfite sequencing revealed more than 11,000 regions that were methylated differentially in pairwise comparisons of tissue Treg cell populations and lymphoid T cells. Similarities in the epigenetic landscape led to the identification of a common tissue Treg cell population that was present in many organs and was characterized by gain and loss of DNA methylation that included many gene sites associated with the TH2 subset of helper T cells, such as the gene encoding cytokine IL-33 receptor ST2, as well as the production of tissue-regenerative factors...
August 7, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28765940/il%C3%A2-33-restricts-invasion-and-adhesion-of-trophoblast-cell-line-jeg3-by-downregulation-of-integrin-%C3%AE-4%C3%AE-1-and-cd62l
#13
Xiao-Hui Wang, Wei Liu, Deng-Xuan Fan, Wen-Ting Hu, Ming-Qing Li, Xiao-Yong Zhu, Li-Ping Jin
Interleukin-33 (IL-33) promotes migration of cancer cells through downregulating the expression of E-cadherin. Previous studies have demonstrated that IL‑33 stimulates the proliferation of trophoblasts. However, the effect of IL‑33 on the adhesion and invasion of trophoblasts has not been investigated in detail. In the present study, the expression of IL‑33 and its receptor, IL‑1 receptor‑like 1 (ST2), was examined in villi from women during early pregnancy using immunohistochemistry. ST2 expression on human trophoblast and choriocarcinoma cell lines JAR, BeWo, JEG3 and HTR8 was confirmed by flow cytometry (FCM) assay...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28754914/memory-type-st2-cd4-t-cells-participate-in-the-steroid-resistant-pathology-of-eosinophilic-pneumonia
#14
Naoko Mato, Kiyoshi Hirahara, Tomomi Ichikawa, Jin Kumagai, Masayuki Nakayama, Hideaki Yamasawa, Masashi Bando, Koichi Hagiwara, Yukihiko Sugiyama, Toshinori Nakayama
The lung develops an unique epithelial barrier system to protect host from continuous invasion of various harmful particles. Interleukin (IL-)33 released from epithelial cells in the lung drives the type 2 immune response by activating ST2- expressed immune cells in various allergic diseases. However, the involvement of memory-type ST2(+)CD4(+) T cells in such lung inflammation remains unclear. Here we demonstrated that intratracheal administration of IL-33 resulted in the substantial increase of numbers of tissue-resident memory-type ST2(+)CD4(+) T cells in the lung...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28751921/evaluation-of-anti-inflammatory-activities-of-qingre-qushi-recipe-qrqs-against-atopic-dermatitis-potential-mechanism-of-inhibition-of-il-33-st2-signal-transduction
#15
Mengjiao Chen, Peijun Ding, Lili Yang, Xufeng He, Chunjie Gao, Guoxun Yang, Huimin Zhang
To evaluate the anti-inflammatory activities of QRQS against AD and the inhibitory molecular mechanisms of IL-33/ST2 signal transduction, BALB/c mice were divided into six groups (normal control, OVA control, low-dose of QRQS, middle-dose of QRQS, high-dose of QRQS, and cetirizine) and epicutaneously exposed to ovalbumin or PBS for 3 weeks and treated with QRQS for 2 weeks. Skin biopsies and blood samples were obtained for histological study, antibody analysis, and RNA isolation. HaCaT cells, stimulated by TNF-α and IFN-γ, were treated with QRQS to evaluate mRNA and protein expression by RT-PCR and ELISA...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28712670/production-and-regulation-of-interleukin-1-family-cytokines-at-the-materno-fetal-interface
#16
Louis M Scott, Aled H Bryant, April Rees, Billy Down, Ruth H Jones, Catherine A Thornton
IL-1 family members regulate innate immune responses, are produced by gestation-associated tissues, and have a role in healthy and adverse pregnancy outcomes. To better understand their role at the materno-fetal interface we used a human tissue explant model to map lipopolysaccharide (LPS)-stimulated production of IL-1α, IL-1β, IL-18, IL-33, IL-1Ra, IL-18BPa, ST2 and IL-1RAcP by placenta, choriodecidua and amnion. Caspase-dependent processing of IL-1α, IL-1β, IL-18, and IL-33 and the ability of IL-1α, IL-1β, IL-18, and IL-33 to regulate the production of IL-1RA, IL-18BPa, ST2 and IL-1RAcP was also determined...
July 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28710436/epithelial-derived-il-33-promotes-intestinal-tumorigenesis-in-apc-min-mice
#17
Zhengxiang He, Lili Chen, Fabricio O Souto, Claudia Canasto-Chibuque, Gerold Bongers, Madhura Deshpande, Noam Harpaz, Huaibin M Ko, Kevin Kelley, Glaucia C Furtado, Sergio A Lira
Increased expression of Interleukin (IL)-33 has been detected in intestinal samples of patients with ulcerative colitis, a condition associated with increased risk for colon cancer, but its role in the development of colorectal cancer has yet to be fully examined. Here, we investigated the role of epithelial expressed IL-33 during development of intestinal tumors. IL-33 expression was detected in epithelial cells in colorectal cancer specimens and in the Apc (Min/+) mice. To better understand the role of epithelial-derived IL-33 in the intestinal tumorigenesis, we generated transgenic mice expressing IL-33 in intestinal epithelial cells (V33 mice)...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687373/il-33-and-the-intestine-the-good-the-bad-and-the-inflammatory
#18
REVIEW
Zerina Hodzic, Ellen Merrick Schill, Alexa M Bolock, Misty Good
Interleukin-33 (IL-33) is a member of the IL-1 cytokine family that has been widely studied since its discovery in 2005 for its dichotomous functions in homeostasis and inflammation. IL-33, along with its receptor suppression of tumorigenicity 2 (ST2), has been shown to modulate both the innate and adaptive immune system. Originally, the IL-33/ST2 signaling axis was studied in the context of inducing type 2 immune responses with the expression of ST2 by T helper 2 (TH2) cells. However, the role of IL-33 is not limited to TH2 responses...
July 4, 2017: Cytokine
https://www.readbyqxmd.com/read/28680750/il-33-restricts-tumor-growth-and-inhibits-pulmonary-metastasis-in-melanoma-bearing-mice-through-eosinophils
#19
Valeria Lucarini, Giovanna Ziccheddu, Iole Macchia, Valentina La Sorsa, Francesca Peschiaroli, Carla Buccione, Antonella Sistigu, Massimo Sanchez, Sara Andreone, Maria Teresa D'Urso, Massimo Spada, Daniele Macchia, Claudia Afferni, Fabrizio Mattei, Giovanna Schiavoni
The alarmin IL-33 is an IL-1 family member that stimulates pleiotropic immune reactions depending on the target tissue and microenvironmental factors. In this study, we have investigated the role of IL-33/ST2 axis in antitumor response to melanoma. Injection of IL-33 in mice-bearing subcutaneous B16.F10 melanoma resulted in significant tumor growth delay. This effect was associated with intratumoral accumulation of CD8(+) T cells and eosinophils, decrease of immunosuppressive myeloid cells, and a mixed Th1/Th2 cytokine expression pattern with local and systemic activation of CD8(+) T and NK cells...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28668506/interleukin-33-signaling-contributes-to-renal-fibrosis-following-ischemia-reperfusion
#20
Hua Liang, Feng Xu, Xian-Jie Wen, Hong-Zhen Liu, Han-Bing Wang, Ji-Ying Zhong, Cheng-Xiang Yang, Bin Zhang
Acute kidney injury caused by ischemia-reperfusion injury (IRI) is a major risk factor for chronic kidney disease, which is characterized by renal interstitial fibrosis. However, the molecular mechanisms underlying renal fibrosis induced by IRI are not fully understood. Our results showed that interleukin (IL)-33 was induced markedly after IRI insult, and the kidneys of mice following IRI plus IL-33 treatment presented more severe renal fibrosis compared with mice treated with IRI alone. Therefore, we investigated whether inhibition of IL-33 protects against IRI-induced renal fibrosis...
June 29, 2017: European Journal of Pharmacology
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