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https://www.readbyqxmd.com/read/29148410/th17-gene-expression-in-psoriatic-arthritis-synovial-fluid-and-peripheral-blood-compared-to-osteoarthritis-and-cutaneous-psoriasis
#1
Fatima Abji, Remy A Pollock, Kun Liang, Vinod Chandran, Dafna D Gladman
OBJECTIVES: The IL-23/IL-17 axis is central to the pathogenesis of psoriatic arthritis (PsA). We aimed to identify Th17 signalling genes that are dysregulated in synovial fluid of PsA compared to osteoarthritis (OA) patients and to determine if differences in peripheral blood can distinguish PsA from psoriasis patients and controls. METHODS: Synovial fluid cells (SFCs) from 14 PsA and 9 OA patients were obtained and stored in TRIzol reagent. RNA was isolated by phenol-chloroform extraction and purified with RNeasy miniprep kits...
November 9, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29148235/assessment-of-interleukin-1%C3%AE-interleukin-6-and-tumor-necrosis-factor-%C3%AE-levels-in-the-peri-implant-sulcular-fluid-among-waterpipe-narghile-smokers-and-never-smokers-with-peri-implantitis
#2
Tariq Abduljabbar, Zohaib Akram, Fahim Vohra, Saman Warnakulasuriya, Fawad Javed
BACKGROUND: It is hypothesized that levels of interleukin (IL)-1β, IL-6 and tumor necrosis factor (TNF)-α are significantly higher in the peri-implant sulcular fluid (PISF) of waterpipe-smokers (WS) compared with never-smokers with peri-implantitis. PURPOSE: The aim of the present convenience sample case-control study was to compare the levels of IL-6, IL-1β, and TNF-α in the PISF of WS and never-smokers with peri-implantitis. MATERIALS AND METHODS: Demographic data was collected using a questionnaire...
November 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29147584/il-33-acts-to-express-schaffer-collateral-ca1-ltp-and-regulate-learning-and-memory-by-targeting-myd88
#3
Tomoyuki Nishizaki
Interleukin-33 (IL-33) is recognized to transmit a signal through a heterodimeric receptor complex ST2/interleukin-1 receptor accessory protein (IL-1RAcP) bearing activation of myeloid differentiation factor 88 (MyD88). High-frequency stimulation to the Schaffer collateral induced long-term potentiation (LTP) in the CA1 region of hippocampal slices from wild-type control mice. Schaffer collateral/CA1 LTP in IL-33-deficient mice was significantly suppressed, which was neutralized by application with IL-33. Similar suppression of the LTP was found with MyD88-deficient mice but not with ST2-deficient mice...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/29146574/mast-cell-dependent-il-33-st2-signaling-is-protective-against-the-development-of-airway-hyperresponsiveness-in-a-house-dust-mite-mouse-model-of-asthma
#4
Anna Maria Zoltowska Nilsson, Ying Lei, Mikael Adner, Gunnar P Nilsson
Interleukin-33 (IL-33) and its receptor ST2 have been influentially associated to the pathophysiology of asthma. Due to the divergent roles of IL-33 in regulating mast cell functions, there is a need to further characterize IL-33/ST2-dependent mast cell responses and their significance in the context of asthma. This study aimed to investigate how IL-33/ST2-dependent mast cell responses contribute to the development of airway hyperresponsiveness (AHR) and airway inflammation in a mouse model of house dust mite (HDM) induced asthma...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29144996/new-roles-and-controls-of-mast-cells
#5
REVIEW
Eric Espinosa, Salvatore Valitutti
Mast cells are innate immune cells implicated in immune surveillance and defense. They are filled with secretory granules where a vast array of molecules endowed with multiple biological activities are stored. The process of granule secretion, named degranulation, is a tightly controlled biological phenomenon that allows mast cells to rapidly and efficiently release bioactive mediators in response to extracellular stimuli. MC degranulation allows fighting pathogens, limiting envenomation and contributes to tissue homeostasis...
November 13, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/29142517/is-methylation-analysis-of-sfrp2-tfpi2-ndrg4-and-bmp3-promoters-suitable-for-colorectal-cancer-screening-in-the-korean-population
#6
Soo-Kyung Park, Hae Lim Baek, Junghee Yu, Ji Yeon Kim, Hyo-Joon Yang, Yoon Suk Jung, Kyu Yong Choi, Hungdai Kim, Hyung Ook Kim, Kyung Uk Jeong, Ho-Kyung Chun, Kyungeun Kim, Dong Il Park
Background/Aims: Colorectal cancer (CRC) screening using stool DNA was recently found to yield good detection rates. A multi-target stool DNA test (Cologuard®, Exact Sciences), including methylated genes has been recently approved by the U.S. Food and Drug Administration. The aim of this study was to validate these aberrantly methylated genes as stool-based DNA markers for detecting CRC and colorectal advanced adenoma (AA) in the Korean population. Methods: A single-center study was conducted in 36 patients with AA; 35 patients with CRC; and 40 endoscopically diagnosed healthy controls using CRC screening colonoscopy...
October 2017: Intestinal Research
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#7
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29137769/ultrasound-ionic-liquid-enhanced-enzymatic-and-acid-hydrolysis-of-biomass-cellulose
#8
Xiaojie Yu, Xinjie Bao, Cunshan Zhou, Lei Zhang, Abu El-Gasim A Yagoub, Hongpeng Yang, Haile Ma
The purpose of this paper was to investigate the effect of ultrasound-ionic liquid (IL) pretreatment on the enzymatic and acid hydrolysis of the sugarcane bagasse and wheat straw. The lignocellulosic biomass was dissociated in ILs ([Bmim]Cl and [Bmim]AOC) aided by ultrasound waves. Sonication was performed at different frequencies (20, 28, 35, 40, and 50kHz), a power of 100W, a time of 30min and a temperature of 80°C. The changes in the structure and crystallinity of the cellulose were studied by Fourier transform infrared (FT-IR), X-ray diffraction (XRD) and thermal gravimetric analysis (TGA)...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137628/hypertonic-saline-for-prevention-of-delirium-in-geriatric-patients-who-underwent-hip-surgery
#9
Xi Xin, Fei Xin, Xuguang Chen, Qi Zhang, Yanan Li, Shuping Huo, Chongfu Chang, Qiujun Wang
BACKGROUND: Postoperative delirium (POD) is a common disorder in the elderly patients, and neuroinflammation is the possible underlying mechanism. This study is designed to determine whether or not hypertonic saline (HS) pre-injection can alleviate POD in aged patients. METHODS: This prospective study recruited 120 geriatric patients who underwent hip surgery. The patients were randomly divided into two groups: control group (NS group) and HS group. Patients in the NS group were pre-injected with 4 mL/kg isotonic saline, and those in the HS group were pre-injected with 4 mL/kg 7...
November 14, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29133293/il-33-responsive-group-2-innate-lymphoid-cells-are-regulated-by-female-sex-hormones-in-the-uterus
#10
Kathleen Bartemes, Chien-Chang Chen, Koji Iijima, Li Drake, Hirohito Kita
Group 2 innate lymphoid cells (ILC2s) reside in multiple organs in the body, where they play roles in immunity, tissue homeostasis, and metabolic regulation. However, little is known about the regulatory mechanisms of ILC2s in different organs. Here, we identified ILC2s in the mouse uterus and found that they express cell surface molecules, including the IL-33 receptor, ST2, that are roughly comparable to those expressed by lung ILC2s. Both in vivo and in vitro treatment with IL-33 induced type 2 cytokine production in uterine ILC2s, suggesting that they respond to IL-33 in a manner similar to ILC2s in other organs...
November 13, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29131267/interleukin-33-promotes-the-inflammatory-reaction-in-chronic-rhinosinusitis-with-nasal-polyps-by-nf-%C3%AE%C2%BAb-signaling-pathway
#11
L Zhang, L-L Jiang, Z-W Cao
OBJECTIVE: Interleukin (IL)-33 promotes T helper (Th2) immune response and may be involved in the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP). Using murine and human specimens, we evaluated the role of IL-33 in CRSwNP. MATERIALS AND METHODS: To establish CRSwNP, Balb/c mice were sensitized with house dust mite, followed up by intranasal exposure to Staphylococcus aureus to stimulate the inflammatory response of nasal mucosa. The hematoxylin-eosin staining and total serum IgE were used to the successful construction of CRSwNP model...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29131079/are-inflammatory-cytokines-associated-with-pain-during-acute-myocardial-infarction
#12
Laurin Imholz, Rebecca E Meister-Langraf, Mary Princip, Michaela Fux, Ulrich Schnyder, Jürgen Barth, Hansjörg Znoj, Jean-Paul Schmid, Roland von Känel
OBJECTIVE: Pain and inflammation during acute myocardial infarction (AMI) have been associated with the development of posttraumatic stress disorder and may also impact negatively on somatic outcome. We investigated the relationship between pain during AMI and levels of circulating proinflammatory (tumor necrosis factor [TNF]-α, interleukin [IL]-6) and anti-inflammatory (IL-33 and tissue growth factor [TGF]-β1) cytokines. METHODS: Data were collected as part of the Myocardial Infarction - Stress Prevention Intervention (MI-SPRINT) study...
November 4, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29130540/anti-inflammatory-and-analgesic-activities-of-cupressuflavone-from-cupressus-macrocarpa-impact-on-pro-inflammatory-mediators
#13
Eman Al-Sayed, Haidy A Gad, Mohamed El-Shazly, Mohamed M Abdel-Daim, Abdel Nasser Singab
Hit, Lead & Candidate Discovery Inflammation is a complex biological process that is generally occurs in response to pathological triggers. Both neurodegenerative diseases and cancer have been linked to inflammation. The analgesic and anti-inflammatory effects of cupressuflavone (CUF) isolated from Cupressus macrocarpa were examined. The analgesic effects of CUF (40, 80 and 160 mg/kg po) were assessed in the acetic acid-induced writhing and hot plate models in mice with diclofenac sodium as the reference standard (100 mg/kg)...
November 11, 2017: Drug Development Research
https://www.readbyqxmd.com/read/29128645/kunitz-type-protease-inhibitor-as-a-vaccine-candidate-against-schistosomiasis-mansoni
#14
Shiwanthi L Ranasinghe, Mary Duke, Marina Harvie, Donald P McManus
OBJECTIVES: To develop a vaccine against schistosomiasis, which is a major challenge due to the complex life cycle of the causative schistosome parasite. METHODS: SmKI-1 is a 16kDa Kunitz type protease inhibitor present in the excretory/secretory products and tegument of adult worms and eggs of Schistosoma mansoni. Two independent vaccine trials were carried out in mice to determine the efficacy of rSmKI-1 in developing protective immunity. RESULTS: The results obtained showed reductions of 23-33% in adult worms, 28-31% in intestinal eggs, 33-39% in fecal eggs and 20-43% in liver eggs...
November 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29127199/the-full-length-interleukin-33-flil33-importin-5-interaction-does-not-regulate-flil33-s-nuclear-localization-but-controls-its-intracellular-degradation
#15
Andrew Clerman, Zahid Noor, Rita Fishelevich, Virginia Lockatell, Brian S Hampton, Nirav G Shah, Mariah V Salcedo, Nevins W Todd, Sergei P Atamas, Irina G Luzina
Human mature interleukin-33 (MIL33) is a member of the IL-1 family and a potent regulator of immunity through its pro-T helper cell 2 (Th2) activity. Its precursor form, full-length interleukin-33 (FLIL33), is an intranuclear protein in many cell types, including fibroblasts, and its intracellular levels can change in response to stimuli. However, the mechanisms controlling the nuclear localization of FLIL33 or its stability in cells are not understood. Here, we identified importin-5 (IPO5), a member of the importin family of nuclear transport proteins, as an intracellular binding partner of FLIL33...
November 10, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29125102/role-of-methylprednisolone-in-treatment-of-spinal-cord-injured-with-bone-marrow-mesenchymal-stem-cells-transplantation-in-rats-and-its-effect-on-the-expressions-of-tumor-necrosis-factor-%C3%AE-and-interleukin-1%C3%AE
#16
Xin-Ming Yang, Yao-Yu Cheng, Zhen-Liang Zhang, Cong Kang
Objective To investigate the role of methylprednisolone (MP) in treatment of spinal cord injured (SCI) with bone marrow mesenchymal stem cells (BMSCs) transplantation in rats and its effect on the expressions of tumor necrosis factor-α(TNF-α) and interleukin-1β(IL-1β) at the local tissues.Methods Forty male Sprague-Dawley(SD) rats were used to establish the models of SCI according to the modified Allen's contusion method and then divided into four groups (n=10 in each group) by using random numbers table:MP group,BMSCs group,BMSCs+MP group,and control group...
October 30, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29123531/chronic-obstructive-pulmonary-disease-derived-circulating-cells-release-il-18-and-il-33-under-ultrafine-particulate-matter-exposure-in-a-caspase-1-8-independent-manner
#17
Gianluigi De Falco, Chiara Colarusso, Michela Terlizzi, Ada Popolo, Michela Pecoraro, Mario Commodo, Patrizia Minutolo, Mariano Sirignano, Andrea D'Anna, Rita P Aquino, Aldo Pinto, Antonio Molino, Rosalinda Sorrentino
Chronic obstructive pulmonary disease (COPD) is considered the fourth-leading causes of death worldwide; COPD is caused by inhalation of noxious indoor and outdoor particles, especially cigarette smoke that represents the first risk factor for this respiratory disorder. To mimic the effects of particulate matter on COPD, we isolated peripheral blood mononuclear cells (PBMCs) and treated them with combustion-generated ultrafine particles (UFPs) obtained from two different fuel mixtures, namely, pure ethylene and a mixture of ethylene and dimethylfuran (the latter mimicking the combustion of biofuels)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29122948/microrna-regulation-of-type-2-innate-lymphoid-cell-homeostasis-and-function-in-allergic-inflammation
#18
Priti B Singh, Heather H Pua, Hannah C Happ, Christoph Schneider, Jakob von Moltke, Richard M Locksley, Dirk Baumjohann, K Mark Ansel
MicroRNAs (miRNAs) exert powerful effects on immunity through coordinate regulation of multiple target genes in a wide variety of cells. Type 2 innate lymphoid cells (ILC2s) are tissue sentinel mediators of allergic inflammation. We established the physiological requirements for miRNAs in ILC2 homeostasis and immune function and compared the global miRNA repertoire of resting and activated ILC2s and T helper type 2 (TH2) cells. After exposure to the natural allergen papain, mice selectively lacking the miR-17∼92 cluster in ILC2s displayed reduced lung inflammation...
November 9, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29122645/interleukin-33-levels-are-elevated-in-chronic-allograft-dysfunction-of-kidney-transplant-recipients-and-promotes-epithelial-to-mesenchymal-transition-of-human-kidney-hk-2-cells
#19
Zhen Xu, Chunchun Zhao, Zijie Wang, Jun Tao, Zhijian Han, Wei Zhang, Ruoyun Tan, Min Gu
This study is aimed to investigate the potential role of interleukin (IL)-33 in transplanted kidney interstitial fibrosis and the associated mechanism. Serum IL-33 levels were detected using an enzyme-linked immunosorbent assay (ELISA) in healthy volunteers, stable kidney transplantation recipients (KTRs) (stable), KTRs with acute rejection (AR), and KTRs with chronic allograft dysfunction (CAD) (CAD). Immunohistochemical (IHC) staining, Western blotting, and quantitative real-time PCR (qRT-PCR) were used to detect the expression of IL-33 in human kidney tissues obtained from control and CAD patients...
November 6, 2017: Gene
https://www.readbyqxmd.com/read/29120743/staphylococcus-aureus-epicutaneous-exposure-drives-skin-inflammation-via-il-36-mediated-t-cell-responses
#20
Haiyun Liu, Nathan K Archer, Carly A Dillen, Yu Wang, Alyssa G Ashbaugh, Roger V Ortines, Tracy Kao, Steven K Lee, Shuting S Cai, Robert J Miller, Mark C Marchitto, Emily Zhang, Daniel P Riggins, Roger D Plaut, Scott Stibitz, Raif S Geha, Lloyd S Miller
Staphylococcus aureus colonization contributes to skin inflammation in diseases such as atopic dermatitis, but the signaling pathways involved are unclear. Herein, epicutaneous S. aureus exposure to mouse skin promoted MyD88-dependent skin inflammation initiated by IL-36, but not IL-1α/β, IL-18, or IL-33. By contrast, an intradermal S. aureus challenge promoted MyD88-dependent host defense initiated by IL-1β rather than IL-36, suggesting that different IL-1 cytokines trigger MyD88 signaling depending on the anatomical depth of S...
November 8, 2017: Cell Host & Microbe
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