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IL-22 binding protein

Malte Bachmann, Josef Pfeilschifter, Heiko Mühl
Acetaminophen [paracetamol, N -acetyl- p -aminophenol (APAP)]-induced acute liver injury (ALI) not only remains a persistent clinical challenge but likewise stands out as well-characterized paradigmatic model of drug-induced liver damage. APAP intoxication associates with robust hepatic necroinflammation the role of which remains elusive with pathogenic but also pro-regenerative/-resolving functions being ascribed to leukocyte activation. Here, we shine a light on and put forward a unique role of the interleukin (IL)-1 family member IL-18 in experimental APAP-induced ALI...
2018: Frontiers in Immunology
Lei Yu, Feng-Jie Wang, Yan-Fang Cui, Dong Li, Wen-Rong Yao, Gui-Bo Yang
Interleukin-22 (IL-22) is a potential therapeutic agent for diseases driven by epithelial injury. To characterize the IL-22 expressed by rhesus macaques, animals irreplaceable for human disease researches, rhesus macaque IL-22 (rhIL-22) was cloned and expressed, and its biological activity and in vivo distribution were examined. It was found that rhIL-22 gene consists of 5 introns and 6 exons, including a short non-coding exon starting 22bp downstream of a putative TATA box. The amino acid sequence of rhIL-22 showed 95...
February 21, 2018: Immunology
Hui Chen, Xiongze Zhang, Nanying Liao, Lan Mi, Yuting Peng, Bing Liu, Shaochong Zhang, Feng Wen
Purpose: The aim of this study was to determine the association between nucleotide-binding and oligomerization domain (NOD)-like receptors (NLRs) family, pyrin domain-containing 3 (NLRP3) inflammasome-induced inflammation and disease severity in diabetic retinopathy (DR). Methods: Blood samples were collected from 64 patients with diabetes (DR, 43; without DR, 21) and 25 healthy controls. The protein and mRNA expression levels of NLRP3 inflammasomes in peripheral blood mononuclear cells were determined using western blotting and quantitative real-time reverse transcription-PCR...
February 1, 2018: Investigative Ophthalmology & Visual Science
Rhiannon M J Snipe, Anthony Khoo, Cecilia M Kitic, Peter R Gibson, Ricardo J S Costa
The study aimed to determine the effects of mild exertional heat stress on intestinal injury, permeability, gastrointestinal symptoms, and systemic endotoxin and cytokine responses. Ten endurance runners completed 2 h of running at 60% V̇O2max in warm (WARM: 30°C) and temperate (TEMP: 22°C) ambient conditions. Rectal temperature (Tre) and gastrointestinal symptoms were recorded every 10 min during exercise. Blood samples were collected pre- and post-exercise, and during recovery to determine plasma intestinal fatty acid-binding protein (I-FABP) and cortisol concentrations, and systemic endotoxin and inflammatory cytokine profiles...
February 7, 2018: International Journal of Sports Medicine
Rhiannon M J Snipe, Ricardo J S Costa
OBJECTIVES: The study aimed to determine the effects of temperature of ingested water during exertional-heat stress on gastrointestinal injury, symptoms and systemic inflammatory responses. DESIGN: Randomised cross-over study. METHODS: Twelve endurance runners completed 2h running at 60% v˙O2max in 35°C ambient temperature on three separate occasions, consuming 250±40mL water before and every 15min during running at either 0.4±0.4°C (COLD), 7...
January 8, 2018: Journal of Science and Medicine in Sport
Kaitlyn Beyfuss, David A Hood
BACKGROUND: p53 is a tumor suppressor protein involved in regulating a wide array of signaling pathways. The role of p53 in the cell is determined by the type of imposed oxidative stress, its intensity and duration. The last decade of research has unravelled a dual nature in the function of p53 in mediating the oxidative stress burden. However, this is dependent on the specific properties of the applied stress and thus requires further analysis. METHODS: A systematic review was performed following an electronic search of Pubmed, Google Scholar, and ScienceDirect databases...
January 3, 2018: Redox Report: Communications in Free Radical Research
Jae B Park
p38 Mitogen-activated protein kinase (p38 MAPK) is a protein kinase critically involved in the progress of inflammation/stress-associated diseases. Our data suggested that javamide analogues may contain strong anti-inflammation activities, but there is little information about their effects on p38 MAPK. Therefore, in this paper, the effects of thirty javamide analogues on p38 MAPK were investigated using in silico screening and in vitro p38 MAPK assay methods. The javamide analogues were synthesized and their chemical structures were confirmed using nuclear magnetic resonance (NMR) spectroscopic methods...
December 13, 2017: International Journal of Molecular Sciences
Rhiannon M J Snipe, Anthony Khoo, Cecilia M Kitic, Peter R Gibson, Ricardo J S Costa
PURPOSE: The study aimed to determine the effects of exertional-heat stress on gastrointestinal integrity, symptoms, systemic endotoxin and inflammatory responses; and assess the relationship between changes in body temperature and gastrointestinal perturbations. METHODS: Ten endurance runners completed 2 h running at 60% [Formula: see text]O2max in hot (HOT: 35 °C) and temperate (TEMP: 22 °C)-ambient conditions. Rectal temperature (T re) and gastrointestinal symptoms were recorded every 10 min during exercise...
December 12, 2017: European Journal of Applied Physiology
Haifeng Ni, Yingbin Xiao
OBJECTIVE: To investigate the effects of cardiopulmonary bypass (CPB) on the differentiation of T lymphocyte subsets and the expression of specific transcription regulator T-bet/GATA binding protein 3 (GATA3). METHODS: A prospective double-blind study was conducted. Patients with CPB pulmonary repair of ventricular septal defect (observation group) or off-pump ligation of ductus arteriosus (control group) with 20 cases each in the 150th Military Hospital from February 2015 to February 2016 were enrolled...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
Sabrina Berkamp, Sang Ho Park, Anna A De Angelis, Francesca M Marassi, Stanley J Opella
The structure of monomeric human chemokine IL-8 (residues 1-66) was determined in aqueous solution by NMR spectroscopy. The structure of the monomer is similar to that of each subunit in the dimeric full-length protein (residues 1-72), with the main differences being the location of the N-loop (residues 10-22) relative to the C-terminal α-helix and the position of the side chain of phenylalanine 65 near the truncated dimerization interface (residues 67-72). NMR was used to analyze the interactions of monomeric IL-8 (1-66) with ND-CXCR1 (residues 1-38), a soluble polypeptide corresponding to the N-terminal portion of the ligand binding site (Binding Site-I) of the chemokine receptor CXCR1 in aqueous solution, and with 1TM-CXCR1 (residues 1-72), a membrane-associated polypeptide that includes the same N-terminal portion of the binding site, the first trans-membrane helix, and the first intracellular loop of the receptor in nanodiscs...
November 2017: Journal of Biomolecular NMR
Juntao Xu, Xiaoru Duan, Feng Hu, Devesh Poorun, Xinxin Liu, Xin Wang, Song Zhang, Lu Gan, Mengwen He, Ke Zhu, Zhangyin Ming, Hongxiang Chen
BACKGROUND: Resolvin D1 (RvD1), a pro-resolution lipid mediator derived from docosahexaenoic acid (DHA), has been described to promote several kinds of inflammatory resolution. However, the effects and anti-inflammatory mechanisms of RvD1 on psoriasis have not been previously reported. OBJECTIVE: The present study aimed to determine the protective effects and the underlying mechanisms of RvD1 on imiquimod (IMQ)-induced psoriasiform dermatitis. METHODS: Mice were topically treated with IMQ to develop psoriasiform dermatitis on their shaved back, pretreated intraperitoneally (i...
November 11, 2017: Journal of Dermatological Science
Kang Li, Li Li, Bo Cui, Zhihui Gai, Qiuyue Li, Shumei Wang, Jun Yan, Bencheng Lin, Lei Tian, Huanliang Liu, Xiaohua Liu, Zhuge Xi
Epidemiological studies have revealed that ambient fine particulate matter (PM2.5) exposure is closely associated with autism spectrum disorder (ASD). However, there is a relative paucity of laboratory data to support this epidemic finding. In order to assess the relationship between PM2.5 exposure and ASD, neonatal male Sprague-Dawley (SD) rats were chosen and exposed to PM2.5 (2 or 20 mg/kg body weight, once a day) by intranasal instillation from postnatal day (PND) 8 to 22. It was found that when exposed to PM2...
November 7, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
Dörte Kleinschmidt, Anastasios D Giannou, Heather M McGee, Jan Kempski, Babett Steglich, Francis Jessica Huber, Thomas Michael Ernst, Ahmad Mustafa Shiri, Claudia Wegscheid, Elena Tasika, Peter Hübener, Philipp Huber, Tanja Bedke, Niklas Steffens, Theodora Agalioti, Tobias Fuchs, Jill Noll, Hannelore Lotter, Gisa Tiegs, Ansgar W Lohse, Jonathan H Axelrod, Eithan Galun, Richard A Flavell, Nicola Gagliani, Samuel Huber
Acute liver injury can be secondary to a variety of causes, including infections, intoxication, and ischemia. All of these insults induce hepatocyte death and subsequent inflammation, which can make acute liver injury a life-threatening event. IL-22 is a dual natured cytokine which has context-dependent protective and pathogenic properties during tissue damage. Accordingly, IL-22 was shown to promote liver regeneration upon acute liver damage. However, other studies suggest pathogenic properties of IL-22 during chronic liver injury...
December 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
S Pan, D Yang, J Zhang, Z Zhang, H Zhang, X Liu, C Li
BACKGROUND AND OBJECTIVE: Interleukin-22 (IL-22), mainly produced by CD4+ T-helper subtypes and innate lymphoid cells at barrier surfaces, is found to involve in several diseases, including diabetes, rheumatoid arthritis, peri-implantitis and chronic rhinosinusitis with nasal polyps. The purpose of this study was to investigate histological changes and the levels of interleukin-22, interleukin-22 receptor 1 (IL-22R1) and interleukin-22-binding protein (IL-22BP) in experimental periodontitis...
October 28, 2017: Journal of Periodontal Research
Atsushi Mizoguchi, Arisa Yano, Hidetomo Himuro, Yui Ezaki, Takayuki Sadanaga, Emiko Mizoguchi
IL-22 is a relatively new cytokine that is characterized by several unique biological properties. In the intestines, the effect of IL-22 is restricted mainly to non-lymphoid cells such as epithelial cells. Interestingly, the expression pattern and major cellular source of IL-22 have distinct difference between large and small intestines. IL-22 possesses an ability to constitutively activate STAT3 for promoting epithelial cell regeneration and reinforcing mucosal barrier integrity through stimulating the expression of anti-bacterial peptide and mucins...
October 26, 2017: Journal of Gastroenterology
Bing-Xiu Guo, Qian-Qian Wang, Jia-Hui Li, Zhen-Shun Gan, Xiao-Feng Zhang, Yi-Zhen Wang, Hua-Hua Du
Iron is an essential nutrient that facilitates cell proliferation and growth, which plays a pivotal role in modulating the battle for survival between mammalian hosts and their pathogens. Pathogenic bacteria secrete siderophores to acquire iron from the host. However, lipocalin 2 (Lcn2), a siderophore-binding antimicrobial protein, binds to siderophores to prevent bacterial uptake of iron, which is critical for the control of systemic infection with Escherichia coli (E. coli). But few studies focus on the anti-infective response of Lcn2 in the intestines by inhibiting bacterial proliferation based on microbial iron metabolism...
September 12, 2017: Oncotarget
William J Sandborn, Scott D Lee, Dino Tarabar, Edouard Louis, Maria Klopocka, Jochen Klaus, Walter Reinisch, Xavier Hébuterne, Dong-Il Park, Stefan Schreiber, Satyaprakash Nayak, Alaa Ahmad, Anindita Banerjee, Lisa S Brown, Fabio Cataldi, Kenneth J Gorelick, John B Cheng, Mina Hassan-Zahraee, Robert Clare, Geert R D'Haens
OBJECTIVE: This phase II, randomised, double-blind, placebo-controlled clinical trial was designed to evaluate the efficacy and safety of PF-00547659, a fully human monoclonal antibody that binds to human mucosal addressin cell adhesion molecule (MAdCAM) to selectively reduce lymphocyte homing to the intestinal tract, in patients with moderate-to-severe Crohn's disease (CD). DESIGN: Eligible adults were aged 18-75 years, with active moderate-to-severe CD (Crohn's Disease Activity Index (CDAI) 220-450), a history of failure or intolerance to antitumour necrosis factor and/or immunosuppressive agents, high-sensitivity C reactive protein >3...
October 5, 2017: Gut
Yingjun Min, Hongchun Li, Kaiyu Xu, Yilong Huang, Jie Xiao, Weizhou Wang, Longjun Li, Ting Yang, Lixuan Huang, Ling Yang, Hong Jiang, Qian Wang, Min Zhao, HaiRong Hua, Rong Mei, Fan Li
While extensive studies report that neonatal hypoxia-ischemia (HI) induces long-term cognitive impairment via inflammatory responses in the brain, little is known about the role of early peripheral inflammation response in HI injury. Here we used a neonatal hypoxia rodent model by subjecting postnatal day 0 (P0d) rat pups to systemic hypoxia (3.5 h), a condition that is commonly seen in clinic neonates, Then, an initial dose of minocycline (45 mg/kg) was injected intraperitoneally (i.p.) 2 h after the hypoxia exposure ended, followed by half dosage (22...
2017: Frontiers in Neuroscience
L Xia, X Xiao, W L Liu, Y Song, T J J Liu, Y J Li, E Zacksenhaus, X J Hao, Y Ben-David
Coactosin-like protein (CLP, or Cotl1), is an F-actin-binding protein, whose role in cancer is largely unknown. Here we show that CLP/Cotl1 is highly expressed in a rat epithelial breast cancer cell line (FE1.3) compared with its mesenchymal counterpart (FE1.2). Knockdown of CLP/Cotl1 in FE1.3 cells increased cell proliferation, whereas its overexpression in FE1.2 cells inhibited proliferation in culture and reduced tumor growth in xenograft assays in mice. Mechanistically, we identified two major pathways through which CLP/Cotl1 exerts its suppressive effects...
September 18, 2017: Oncogene
Ahmed Mohamed Mahmoud Badr, Yomna Farag, Maie Abdelshafy, Nermine Magdi Riad
Juvenile systemic lupus erythematosus (JSLE) is a multi-system autoimmune inflammatory disease. Generally, 60% of patients will develop lupus nephritis (LN); thus, early recognition and treatment is associated with better outcome. Interleukin 22 (IL-22) is involved in tissue inflammation and is regulated by interleukin 22 binding protein (IL-22BP). This study aimed to use IL-22BP as a non-invasive marker for disease activity in JSLE and LN. This is a cross-sectional study conducted on 82 subjects: 51 JSLE patients and 31 healthy controls of matched age and gender...
September 9, 2017: Clinical Rheumatology
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