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Interleukin-33

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https://www.readbyqxmd.com/read/29778524/posttranscriptional-regulation-of-interleukin-33-expression-by-microrna-200-in-bronchial-asthma
#1
Xin Tang, Feng Wu, Jinshuo Fan, Yang Jin, Jianjun Wang, Guanghai Yang
The importance of understanding how interleukin-33 (IL-33) is regulated (particularly by miRs) is critical in IL-33 biology, and evidence of this in asthma pathology is limited. MicroRNA profiling of cells isolated from bronchoalveolar lavage of 14 asthmatic patients and 11 healthy controls revealed miR-200b and miR-200c were significantly reduced in asthmatic patients compared with healthy controls. The reduction was validated in two independent models of allergen-induced allergic airway inflammation and further demonstrated to be inversely correlated with asthma severity, as well as increased IL-33 production in asthmatic patients...
April 25, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29768034/staphylococcus-aureus-induces-mucosal-type-2-immune-response-via-epithelial-cell-derived-cytokines
#2
Feng Lan, Nan Zhang, Gabriele Holtappels, Natalie De Ruyck, Olga Krysko, Koen Van Crombruggen, Harald Braun, Sebastian L Johnston, Nikos G Papadopoulos, Luo Zhang, Claus Bachert
RATIONALE: Chronic rhinosinusitis with nasal polyps is characterized by a T helper cell 2-skewed upper airway inflammation. Mucosal Staphylococcus aureus colonization is found in the majority of nasal polyps patients. Staphylococcus aureus is known to induce type 2 cytokine release via enterotoxins. OBJECTIVES: We investigated the impact of non-enterotoxin producing Staphylococcus aureus on type 2 cytokine release. METHODS: Thymic stromal lymphopoietin, interleukin-33 and type 2 cytokines were assessed in a human mucosal tissue model upon Staphylococcus aureus infection...
May 16, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29763892/interleukin-33-predicts-poor-prognosis-and-promotes-renal-cell-carcinoma-cell-growth-through-its-receptor-st2-and-the-jnk-signaling-pathway
#3
Chang-Wen Wu, Yi-Guo Wu, Cheng Cheng, Zheng-Dong Hong, Zi-Min Shi, Shuang-Quan Lin, Jie Li, Xiao-Yi He, An-Yi Zhu
BACKGROUND/AIMS: Renal cell carcinoma (RCC) is currently the ninth most common cancer in men. Interleukin (IL)-33 expression has previously been associated with a number of cancers; however, its biological role in RCC is poorly understood. In this study, we sought to elucidate the role of IL-33 in RCC. METHODS: Serum IL-33 levels were measured by ELISA. IL-33 expression in clinical RCC samples was examined by immunocytochemistry. The proliferation and apoptosis rate of RCC were determined by CCK8 and flow cytometry...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29763370/novel-interleukin-33-and-its-soluble-st2-receptor-as-potential-serum-biomarkers-in-parotid-gland-tumors
#4
Sowa Pawel, Misiolek Maciej, Zielinski Maciej, Mazur Bogdan, Adamczyk-Sowa Monika
An increasing number of patients with parotid gland tumors have been observed in recent years. The relationship between the immune system and tumor formation is thoroughly investigated. However, newly discovered molecules offer a new insight into the pathophysiology of malignancies. It would be ideal to find an easily determinable biomarker of tumor existence, its malignant potential or a biomarker suggesting the probability of disease recurrence. Our study is the first to examine serum concentrations of IL-33 and its sST2 receptor in patients with various types of parotid gland tumors...
May 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29736154/decreased-il-33-production-contributes-to-trophoblast-cell-dysfunction-in-pregnancies-with-preeclampsia
#5
Hong Chen, Xiaobo Zhou, Ting-Li Han, Philip N Baker, Hongbo Qi, Hua Zhang
Preeclampsia (PE) is a life-threatening pregnancy complication which is related to aggradation of risk regarding fetal and maternal morbidity and mortality. Dysregulation of systemic inflammatory response and dysfunction of trophoblast cells have been proposed to be involved in the development and progression of PE. Some studies have demonstrated that interleukin-33 (IL-33) is an immunomodulatory cytokine that is associated with the immune regulation of tumor cells. However, little is known whether IL-33 and its receptor ST2/IL-1 R4 could regulate trophoblast cells, which are associated with the pathogenesis of PE...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29728120/il-33-st2-plays-a-critical-role-in-endothelial-cell-activation-and-microglia-mediated-neuroinflammation-modulation
#6
Kelei Cao, Xiang Liao, Jiahui Lu, Shu Yao, Fengjiao Wu, Xingxing Zhu, Dongyan Shi, Shuang Wen, Lixin Liu, Hong Zhou
BACKGROUND: Interleukin-33 (IL-33) is increasingly being recognized as a key immunomodulatory cytokine in many neurological diseases. METHODS: In the present study, wild-type (WT) and IL-33-/- mice received intracerebroventricular (i.c.v.) injection of lipopolysaccharide (LPS) to induce neuroinflammation. Intravital microscopy was employed to examine leukocyte-endothelial interactions in the brain vasculature. The degree of neutrophil infiltration was determined by myeloperoxidase (MPO) staining...
May 4, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29705949/a-network-map-of-il-33-signaling-pathway
#7
Sneha M Pinto, Yashwanth Subbannayya, D A B Rex, Rajesh Raju, Oishi Chatterjee, Jayshree Advani, Aneesha Radhakrishnan, T S Keshava Prasad, Mohan R Wani, Akhilesh Pandey
Interleukin-33 (IL-33) is a member of the IL-1 family of cytokines that play a central role in the regulation of immune responses. Its release from epithelial and endothelial cells is mediated by pro-inflammatory cytokines, cell damage and by recognition of pathogen-associated molecular patterns (PAMPs). The activity of IL-33 is mediated by binding to the IL-33 receptor complex (IL-33R) and activation of NF-κB signaling via the classical MyD88/IRAK/TRAF6 module. IL-33 also induces the phosphorylation and activation of ERK1/2, JNK, p38 and PI3K/AKT signaling modules resulting in the production and release of pro-inflammatory cytokines...
April 28, 2018: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/29704458/gm-csf-and-il-4-are-not-involved-in-ivig-mediated-amelioration-of-itp-in-mice-a-role-for-il-11-cannot-be-ruled-out
#8
Bonnie J B Lewis, Danila Leontyev, Anton Neschadim, Megan Blacquiere, Donald R Branch
Previously, we reported that interleukin 4 (IL-4), granulocyte-macrophage colony-stimulating factor (GM-CSF), and interleukin 11 (IL-11), but not interleukin 33 (IL-33), are up-regulated in two strains of mice with immune thrombocytopenia (ITP) that are responsive to intravenous immunoglobulin (IVIg) treatment. Previously, IL-4 was ruled out in the mechanism of IVIg; however, other publications have suggested this cytokine as a major player in the mechanism of IVIg action. Thus, we sought to further investigate a role for IL-4 and, in addition, GM-CSF and IL-11 in the mechanism of action of IVIg using a murine model of ITP...
April 28, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29696682/interleukin-33-is-expressed-in-the-lesional-epidermis-in-herpes-virus-infection-but-not-in-verruca-vulgaris
#9
Meijuan Jin, Mayumi Komine, Hidetoshi Tsuda, Tomoyuki Oshio, Mamitaro Ohtsuki
Interleukin (IL)-33 is released on cell injury and activates the immune reaction. IL-33 is involved in antiviral reaction in herpes virus infection, but the source that secretes IL-33 has not been identified. We speculate that keratinocytes injured in herpes virus infection secrete IL-33. In order to detect IL-33 in the lesional epidermis of patients with herpes virus infection, we immunostained several cutaneous herpes virus infection samples with an anti-IL-33 antibody, and compared them with cutaneous human papilloma virus (HPV) infection samples...
April 25, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29693558/s1p%C3%A2-regulates-passive-systemic-anaphylaxis-in-mice-but-is-dispensable-for-canonical-ige-mediated-responses-in-mast-cells
#10
Joseph M Kulinski, Richard L Proia, Elisabeth M Larson, Dean D Metcalfe, Ana Olivera
Mast cells are key players in the development of inflammatory allergic reactions. Cross-linking of the high-affinity receptor for IgE (FcεRI) on mast cells leads to the generation and secretion of the sphingolipid mediator, sphingosine-1-phosphate (S1P) which is able, in turn, to transactivate its receptors on mast cells. Previous reports have identified the expression of two of the five receptors for S1P on mast cells, S1P₁ and S1P₂, with functions in FcεRI-mediated chemotaxis and degranulation, respectively...
April 25, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29686383/the-il-33-pin1-irak-m-axis-is-critical-for-type-2-immunity-in-il-33-induced-allergic-airway-inflammation
#11
Morris Nechama, Jeahoo Kwon, Shuo Wei, Adrian Tun Kyi, Robert S Welner, Iddo Z Ben-Dov, Mohamed S Arredouani, John M Asara, Chun-Hau Chen, Cheng-Yu Tsai, Kyle F Nelson, Koichi S Kobayashi, Elliot Israel, Xiao Zhen Zhou, Linda K Nicholson, Kun Ping Lu
Interleukin 33 (IL-33) is among the earliest-released cytokines in response to allergens that orchestrate type 2 immunity. The prolyl cis-trans isomerase PIN1 is known to induce cytokines for eosinophil survival and activation by stabilizing cytokines mRNAs, but the function of PIN1 in upstream signaling pathways in asthma is unknown. Here we show that interleukin receptor associated kinase M (IRAK-M) is a PIN1 target critical for IL-33 signaling in allergic asthma. NMR analysis and docking simulations suggest that PIN1 might regulate IRAK-M conformation and function in IL-33 signaling...
April 23, 2018: Nature Communications
https://www.readbyqxmd.com/read/29672927/interleukin-33-contributes-to-ilc2-activation-and-early-inflammation-associated-lung-injury-during-abdominal-sepsis
#12
Hui Xu, Jing Xu, Li Xu, Shuqing Jin, Heth R Turnquist, Rosemary Hoffman, Patricia Loughran, Timothy R Billiar, Meihong Deng
Sepsis is defined as infection with organ dysfunction due to a dysregulated immune response. The lung is one of the most vulnerable organs at the onset of sepsis. Interleukin-33 (IL-33) can be released by injured epithelial and endothelial cells in the lung and regulate immune activation and infiltration. Therefore, we postulated that IL-33 would contribute to the immune response in the lung during sepsis. Using the cecal ligation and puncture (CLP) sepsis model, we show here that IL-33 contributes significantly to both sepsis-induced inflammation in the lung and systemic inflammatory response in the early phase of sepsis...
April 19, 2018: Immunology and Cell Biology
https://www.readbyqxmd.com/read/29663450/increased-serum-levels-of-il-33-and-soluble-st2-in-neonates-with-human-cytomegalovirus-infection
#13
Yanru Chen, Jihong Qian
Interleukin 33 (IL-33) and soluble form of ST2 (sST2) are involved in inflammation. This study aimed to assess the role of serum IL-33 and sST2 in neonates with HCMV infection. The concentration of serum IL-33 and sST2 in 20 patients and 16 healthy controls were measure by enzyme-linked immune-sorbent assay (ELISA). The clinical and laboratory data were described. Our results showed serum sST2 and IL-33 levels were significantly higher in the HCMV group than the control group. Significant positive correlation was observed between sST2 and IL-33 (r = 0...
April 16, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29625493/characterization-of-a-spontaneously-immortalized-murine-m%C3%A3-ller-glial-cell-line-qmmuc-1
#14
Josy Augustine, Sofia Pavlou, Michael O'Hare, Kevin Harkin, Alan Stitt, Tim Curtis, Heping Xu, Mei Chen
Purpose: Müller glia are critical for the survival of retinal neurons and the integrity of retinal blood vessels. Müller glial cultures are important tools for investigating Müller glial pathophysiology. Here, we report a spontaneously immortalized Müller glial cell line originally cultured and subsequently cloned from mouse pups. The cell line, Queen's University Murine Müller glia Clone-1 (QMMuC-1), has been cultured for over 60 passages, has morphologic features like primary Müller cell (PMC) cultures and remains stable...
March 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29621782/enhanced-pro-inflammatory-response-of-macrophages-to-interleukin-33-in-an-allergic-environment
#15
Noel Chia, Rakesh K Kumar, Paul S Foster, Cristan Herbert
BACKGROUND: Allergic asthma is common in childhood and is associated with a T-helper type 2 (Th2)-biased immunological response. Exacerbations of asthma are characterised by increased inflammation of the airways, which appears to be driven by interleukin (IL)-33 that can activate pulmonary macrophages. The Th2 cytokine environment of allergic asthma may contribute to exaggerated airway inflammation. OBJECTIVES: To test this, we assessed whether production of pro-inflammatory cytokines by IL-33-stimulated macrophages was enhanced in cells pre-treated with the key Th2 cytokines IL-4 and IL-13...
2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29619104/the-role-of-the-level-of-interleukin-33-in-the-therapeutic-outcomes-of-immunotherapy-in-patients-with-allergic-rhinitis
#16
Wail Fayez Nasr, Samir Sorour Sorour, Atef Taha El Bahrawy, Ghada Samir Boghdadi, Alia A El Shahaway
Introduction  Allergic rhinitis (AR) affects up to 40% of the population and results in nasal itching, congestion, sneezing, and clear rhinorrhea. Objectives  This study aimed to evaluate the changes in the clinical symptoms and in the level of serum interleukin (IL)-33 before and after pollen immunotherapy (IT) in patients with AR. Methods  The total symptom score and the levels of total immunoglobulin E (IgE) and IL-33 were determined in the serum of 10 non-allergic healthy controls and 45 patients with AR who were equally divided into 3 groups: GI (patients did not receive IT), GII (patients had received IT for 6 months) and GIII (patients had received IT for 2 years)...
April 2018: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29605933/modeling-structure-and-dynamics-of-protein-complexes-with-saxs-profiles
#17
Dina Schneidman-Duhovny, Michal Hammel
Small-angle X-ray scattering (SAXS) is an increasingly common and useful technique for structural characterization of molecules in solution. A SAXS experiment determines the scattering intensity of a molecule as a function of spatial frequency, termed SAXS profile. SAXS profiles can be utilized in a variety of molecular modeling applications, such as comparing solution and crystal structures, structural characterization of flexible proteins, assembly of multi-protein complexes, and modeling of missing regions in the high-resolution structure...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29602154/the-association-of-il-33-and-foxp3-gene-polymorphisms-with-recurrent-pregnancy-loss-in-egyptian-women
#18
Haidy E Zidan, Rehab S Abdul-Maksoud, Hala E Mowafy, Walid S H Elsayed
Deregulated immunity is one of the most important factors implicated in recurrent pregnancy loss (RPL). The possible role of interleukin-33 (IL-33) and forkhead/winged helix transcription factor (Foxp3) in RPL have not been fully investigated. We aimed to evaluate IL-33 rs1929992 and Foxp3 rs2232365 single nucleotide polymorphisms (SNPs) and their serum levels in Egyptian RPL females. Blood samples were collected from 142 RPL patients and 123 women as healthy controls. IL-33 rs1929992 SNP was determined by polymerase chain reaction restriction fragment length polymorphism and Foxp3 rs2232365 SNP was determined using allele specific polymerase chain reaction...
March 27, 2018: Cytokine
https://www.readbyqxmd.com/read/29595543/protective-effect-of-scopoletin-against-cerulein-induced-acute-pancreatitis-and-associated-lung-injury-in-mice
#19
George Leema, Ramasamy Tamizhselvi
OBJECTIVE: The present study aimed to evaluate the protective effects of scopoletin (SC) on cerulein-induced acute pancreatitis (AP) and associated lung injury in mice. METHODS: Acute pancreatitis was induced in male Swiss mice by 6 consecutive hourly intraperitoneal injections of cerulein (50 μg/kg). Scopoletin was administered 1 hour (intraperitoneal, 10 mg/kg) after the first cerulein injection. RESULTS: Administration of SC attenuated the severity of AP and associated lung injury as shown by histology, reduced myeloperoxidase, and serum amylase activity...
March 27, 2018: Pancreas
https://www.readbyqxmd.com/read/29587772/oxidative-stress-enhances-the-expression-of-il-33-in-human-airway-epithelial-cells
#20
Hiroyuki Aizawa, Akira Koarai, Yutaka Shishikura, Satoru Yanagisawa, Mutsuo Yamaya, Hisatoshi Sugiura, Tadahisa Numakura, Mitsuhiro Yamada, Tomohiro Ichikawa, Naoya Fujino, Masafumi Noda, Yoshinori Okada, Masakazu Ichinose
BACKGROUND: Interleukin-33 (IL-33) is a cytokine belonging to the IL-1 family, and its possible involvement in the pathophysiology of COPD and viral-induced exacerbations has been demonstrated. IL-33 has been shown to be increased in the airway epithelial cells from COPD patients, but the regulating mechanism of IL-33 expression in airway epithelial cells remains largely unknown. In the current study, we examined whether oxidative stress, which participates in the pathogenesis of COPD, affects the expression of IL-33 in airway epithelial cells and also evaluated the effect during viral infection...
March 27, 2018: Respiratory Research
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