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Interleukine 17

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https://www.readbyqxmd.com/read/29776658/ustekinumab-for-refractory-giant-cell-arteritis-a-prospective-52-week-trial
#1
Richard Conway, Lorraine O'Neill, Phil Gallagher, Geraldine M McCarthy, Conor C Murphy, Douglas J Veale, Ursula Fearon, Eamonn S Molloy
OBJECTIVES: Giant cell arteritis (GCA) is the most common form of systemic vasculitis. Glucocorticoids are an effective treatment but have significant adverse events and relapses are common. Interleukins 12 (IL-12) and 23 (IL-23) stimulate TH 1 and TH 17 responses and are implicated in the pathogenesis of GCA. The aim of this study was to evaluate the efficacy and safety of IL-12/23 blockade with ustekinumab in GCA. METHODS: We performed a prospective open label study of ustekinumab in patients with refractory GCA...
April 22, 2018: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29774240/mannan-induced-nos2-in-macrophages-enhances-il-17-driven-psoriatic-arthritis-by-innate-lymphocytes
#2
Jianghong Zhong, Tatjana Scholz, Anthony C Y Yau, Simon Guerard, Ulrike Hüffmeier, Harald Burkhardt, Rikard Holmdahl
Previous identification of the inducible nitric oxide synthase (NOS2) gene as a risk allele for psoriasis (Ps) and psoriatic arthritis (PsA) suggests a possible pathogenic role of nitric oxide (NO). Using a mouse model of mannan-induced Ps and PsA (MIP), where macrophages play a regulatory role by releasing reactive oxygen species (ROS), we found that NO was detectable before disease onset in mice, independent of a functional nicotinamide adenine dinucleotide phosphate oxidase 2 complex. MIP was suppressed by either deletion of Nos2 or inhibition of NO synthases with NG-nitro-l-arginine methyl ester, demonstrating that Nos2-derived NO is pathogenic...
May 2018: Science Advances
https://www.readbyqxmd.com/read/29773890/intraperitoneal-administration-of-the-anti-il-23-antibody-prevents-the-establishment-of-intestinal-nematodes-in-mice
#3
M Gomez-Samblas, D Bernal, A Bolado-Ortiz, S Vilchez, F Bolás-Fernández, A M Espino, M Trelis, A Osuna
Previous studies have established that an increased Th-9 response creates a hostile environment for nematode parasites. Given that IL-23, a cytokine required for maintenance of the IL-17-secreting phenotype, has inhibitory effects on IL-9 production, we hypothesized that reducing circulating IL-23 by treatment with anti-IL-23 antibodies would reduce the establishment and development of parasitic intestinal nematodes. In this study, we show that animals treated with anti-IL-23 monoclonal antibodies showed a drastic reduction in the number of mouse pinworms (Aspiculuris tetraptera) recovered from the intestine (p < 0...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773006/antimelanogenesis-and-anti-inflammatory-activity-of-selected-culinary-medicinal-mushrooms
#4
Hazwani Mat Saad, Kae Shin Sim, Yee Shin Tan
Five culinary-medicinal mushrooms are commonly available in the Malaysian market: Agaricus bisporus (white and brown), Ganoderma lucidum, Hypsizygus marmoreus, Pleurotus floridanus, and P. pulmonarius. These species were selected for use in the current study, the aim of which was to investigate the antimelanogenesis and anti-inflammatory activity of these mushrooms in an attempt to evaluate their potential use in cosmeceuticals. Mushroom fruiting bodies were extracted with hot water, and the extracts were freeze-dried before testing...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29770137/gut-microbiota-confers-resistance-of-albino-oxford-rats-to-the-induction-of-experimental-autoimmune-encephalomyelitis
#5
Suzana Stanisavljević, Miroslav Dinić, Bojan Jevtić, Neda Đedović, Miljana Momčilović, Jelena Đokić, Nataša Golić, Marija Mostarica Stojković, Đorđe Miljković
Albino Oxford (AO) rats are extremely resistant to induction of experimental autoimmune encephalomyelitis (EAE). EAE is an animal model of multiple sclerosis, a chronic inflammatory disease of the central nervous system (CNS), with established autoimmune pathogenesis. The autoimmune response against the antigens of the CNS is initiated in the peripheral lymphoid tissues after immunization of AO rats with CNS antigens. Subsequently, limited infiltration of the CNS occurs, yet without clinical sequels. It has recently become increasingly appreciated that gut-associated lymphoid tissues (GALT) and gut microbiota play an important role in regulation and propagation of encephalitogenic immune response...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29770136/cd3%C3%AE%C2%B5-expression-defines-functionally-distinct-subsets-of-v%C3%AE-1-t-cells-in-patients-with-human-immunodeficiency-virus-infection
#6
Pádraic J Dunne, Christina O Maher, Michael Freeley, Katie Dunne, Andreea Petrasca, Judy Orikiiriza, Margaret R Dunne, Derval Reidy, Siobhan O'Dea, Aisling Loy, Jim Woo, Aideen Long, Thomas R Rogers, Fiona Mulcahy, Derek G Doherty
Human γδ T cells expressing the Vδ1 T cell receptor (TCR) recognize self and microbial antigens and stress-inducible molecules in a major histocompatibility complex-unrestricted manner and are an important source of innate interleukin (IL)-17. Vδ1 T cells are expanded in the circulation and intestines of patients with human immunodeficiency virus (HIV) infection. In this study, we show that patients with HIV have elevated frequencies, but not absolute numbers, of circulating Vδ1 T cells compared to control subjects...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29770132/differing-outcome-of-experimental-autoimmune-encephalitis-in-macrophage-neutrophil-and-t-cell-specific-gp130-deficient-mice
#7
Kristian Holz, Marco Prinz, Stefanie M Brendecke, Alexandra Hölscher, Fengyuan Deng, Hans-Willi Mitrücker, Stefan Rose-John, Christoph Hölscher
gp130 cytokines are differentially involved in regulating the T helper (H) 17-driven pathogenesis of experimental autoimmune encephalomyelitis (EAE), the animal model of human multiple sclerosis. Interleukin (IL)-6 directly promotes the development of TH17 cells through the gp130/IL-6R complex. By contrast, IL-27 has been shown to suppress a TH17 immune response by gp130/IL-27R-alpha (α) receptor ligation. The IL-27-dependent regulation of a TH17 development could be mediated on the level of CD4 T cells. However, because IL-27 also suppresses the secretion of the TH17-driving cytokines IL-6 and IL-12/23p40 in accessory cells, TH17 immune responses may also be controlled by IL-27 on the level of macrophages and/or neutrophils...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29768967/interleukin-1-receptor-1-deletion-in-focal-and-diffuse-experimental-traumatic-brain-injury-in-mice
#8
Joon Yong Chung, Nicolas Krapp, Limin Wu, Sevda Lule, Lauren McAllister, William Edmiston Iii, Samantha Martin, Emily Levy, Tanya Songtachalert, John Sherwood, Erin Buckley, Bharat Sanders, Saef Izzy, Suzanne Hickman, Shuzhen Guo, Josephine Lok, Joseph El Khoury, Eng Lo, David Kaplan, Michael Whalen
Important differences in the biology of focal and diffuse traumatic brain injury (TBI) subtypes may result in unique pathophysiological responses to shared molecular mechanisms. Interleukin-1 (IL-1) signaling has been tested as a potential therapeutic target in preclinical models of cerebral contusion and diffuse TBI, and in a phase II clinical trial, but no published studies have examined IL-1 signaling in an impact/acceleration closed head injury (CHI) model. We hypothesized that genetic deletion of IL-1 receptor-1 (IL-1R1 KO) would be beneficial in focal (contusion) and CHI in mice...
May 17, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29768427/differential-effects-of-tnf-%C3%AE-and-il-1%C3%AE-on-the-control-of-metal-metabolism-and-cadmium-induced-cell-death-in-chronic-inflammation
#9
Paola Bonaventura, Aline Lamboux, Francis Albarède, Pierre Miossec
OBJECTIVE: Interleukin-1-beta (IL-1β) and tumour necrosis factor-alpha (TNF-α) are both monocyte-derived cytokines. Both cytokines have been previously described to exert a role in rheumatoid arthritis (RA) pathogenesis synergizing with other pro-inflammatory mediators, such as interleukin-17 (IL-17) on target cells, for the perpetuation of the inflammatory response (e.g. IL-6 production). In the context of experimental RA, Cd addition has an anti-proliferative and anti-inflammatory effect when associated to IL-17/TNF-α stimulation, due to its accumulation in synoviocytes...
2018: PloS One
https://www.readbyqxmd.com/read/29767341/-spondyloarthritis
#10
REVIEW
U Syrbe, X Baraliakos
Spondyloarthritis (SpA) describes the group of inflammatory diseases characterized by inflammation within axial joints and/or peripheral arthritis, enthesitis, and dactylitis. Disease development is strongly determined by genes and particularly associated with the presence of HLA-B27. Transgenic expression in animal models leads to induction of a SpA-like disease, suggesting a direct effect of HLA-B27 on disease development. Genome-wide association studies in SpA patients have identified further associations between polymorphisms in genes with an immune function, in particular in genes controlling the interleukin (IL)-23/IL-17 signaling pathway...
May 16, 2018: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29766377/resolution-of-femoral-metaphyseal-dysplasia-in-cinca-syndrome-after-long-term-treatment-with-interleukin-1-blockade
#11
REVIEW
Donato Rigante, Raffaele Manna, Elena Verrecchia, Raffaella Marrocco, Antonio Leone
Chronic infantile neurological cutaneous articular (CINCA) syndrome is a rare autoinflammatory disorder driven by uncontrolled hypersecretion of interleukin (IL)-1, which can be clinically depicted by striking cutaneous, neurologic, and skeletal features. Little is known about the exact pathogenesis of CINCA bone disease, which mainly involves the knees. We report a 20-year-old CINCA patient, who was consecutively treated firstly with anakinra, started at 7 years, then with full dose canakinumab, started at 17 years, focusing on the typical bone abnormalities of the syndrome: the comparison of radiographs of knees performed at 7 and 20 years has shown the disappearance of a typical metaphyseal dysplasia occurring in the femurs of this CINCA patient, regularly treated with IL-1 blockade for a period of 13 years...
May 16, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29764548/-effects-of-different-core-temperatures-after-heat-strike-on-serum-inflammatory-cytokines-and-multiple-organ-dysfunction-syndrome-in-rats
#12
Qinghua Li, Rongqing Sun, Hongdi Lyu, Dexin Shen, Qing Hu, Haiwei Wang, Nannan Wang, Jin Yan, Jing Wang
OBJECTIVE: To observe the effect of different core temperatures (Tc) after heat strike on serum inflammatory cytokines and multiple organ dysfunction syndrome (MODS) in rat. METHODS: 120 male Sprague-Dawley (SD) rats were randomly divided into normal control group (n = 30) and heat strike group (n = 90). The rats in heat strike group were put into simulated thermal climate animal module after adaptive training. The module temperature was raised to 39 centigrade in 30 minutes with 65% humidity...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29764544/-effects-of-peroxisome-proliferator-activated-receptor-%C3%AE-toll-like-receptor-4-tumor-necrosis-factor-%C3%AE-targeted-pathway-on-hyperglycemia-induced-myocardium-inflammation-and-oxidative-stress
#13
Changle Liu, Ruimeng Liu, Xiaohan Wu, Peize Tan, Huaying Fu, Xinghua Wang, Tong Liu, Guangping Li
OBJECTIVE: To investigate the potential effects and mechanism on peroxisome proliferator-activated receptor γ-toll-like receptor 4-tumor necrosis factor-α (PPARγ-TLR4-TNF-α) targeted pathway on hyperglycemia induced myocardium inflammation and oxidative stress. METHODS: Thirty-two Japanese healthy adult rabbits were randomly divided into four groups with 8 rabbits in each group: normal control group (NC group), diabetes mellitus group (DM group), diabetes mellitus + pioglitazone 4 mg×kg-1 ×d-1 and 8 mg×kg-1 ×d-1 groups (DM+PGZ 4 mg and 8 mg groups)...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29764467/association-of-il17rc-and-col6a1-genetic-polymorphisms-with-susceptibility-to-ossification-of-the-thoracic-posterior-longitudinal-ligament-in-chinese-patients
#14
Peng Wang, Xiao Liu, Bin Zhu, Yunlong Ma, Lei Yong, Ze Teng, Chen Liang, Guanping He, Xiaoguang Liu
BACKGROUND: In our previous whole-genome sequencing study of 30 unrelated northern Chinese Han patients, we identified six single nucleotide polymorphisms (SNPs) in the interleukin 17 receptor C (IL17RC) and collagen type VI α1 chain (COL6A1) genes that were potentially associated with thoracic ossification of the posterior longitudinal ligament (T-OPLL). To determine whether these six SNPs are associated with susceptibility to T-OPLL in the northern Chinese Han population, we performed a case-control association study to confirm specific susceptible loci in the expanded samples...
May 15, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29763944/baicalin-ameliorates-imiquimod-induced-psoriasis-like-inflammation-in-mice
#15
Chien-Hui Hung, Chien-Neng Wang, Huei-Hsuan Cheng, Jiunn-Wang Liao, Yi-Ting Chen, Ya-Wen Chao, Jia Liang Jiang, Chen-Chen Lee
Baicalin is the main flavonoid from the roots of an important medicinal plant, Scutellaria baicalensis , which shows a variety biological activities. Psoriasis is a chronic immune-mediated inflammatory disease that affects the skin. The unmet need of psoriasis is that many patients do not respond adequately to available clinical treatment. In this study, we found that baicalin showed inhibited dermal inflammation in a murine model of psoriasis via topical application of imiquimod. After a 5-day topical imiquimod application, baicalin or the control vehicle cream was to applied to the lesions of BALB/c mice for a further 4 days...
May 15, 2018: Planta Medica
https://www.readbyqxmd.com/read/29762848/cxcr3-mediates-chondrocyte-injury-through-regulating-nitric-oxide
#16
Z-C Yin, W-H Xiong, Q-J Pang
OBJECTIVE: As a common joint disease, osteoarthritis exhibits increasing trend in recent years. C-X-C motif chemokine receptor 3 (CXCR3) is a kind of chemokine with the characteristic of recruiting inflammatory cells. Its function in osteoarthritis has not been clarified. This study aims to explore the role of CXCR3 in cartilage injury by affecting unfolded protein response (UPR) pathway. PATIENTS AND METHODS: The sample was obtained from osteoarthritis patients to test CXCR3 expression by Real-time polymerase chain reaction (PCR)...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29762676/interleukin-38-is-a-protective-cytokine-for-lethal-sepsis
#17
Fang Xu, Shihui Lin, Xingxing Yan, Chuanjiang Wang, Hongmei Tu, Yibing Yin, Ju Cao
Background: IL-38 is the most recently characterized cytokine of the IL-1 family. However, its role in sepsis remains unknown. Methods: Circulating IL-38 was measured in two cohorts of adult and pediatric patients with sepsis. Using two murine models of lipopolysaccharide (LPS)-induced endotoxinemia and cecal ligation and puncture (CLP)-induced sepsis, the effects of IL-38 on survival, inflammation, tissue injury, or bacterial clearance were assessed. Results: Serum IL-38 concentrations were significantly elevated in adult and pediatric patients with sepsis relative to corresponding healthy adult and pediatric controls, respectively...
May 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29760819/antibacterial-and-anti-inflammatory-potential-of-morus-alba-stem-extract
#18
Ichaya Yiemwattana, Niratcha Chaisomboon, Kusuma Jamdee
Background: Periodontitis, a chronic inflammatory disease, is the leading cause of tooth loss in adults. Evidence for the anti inflammatory activity of M. alba Stem Extract (MSE) in periodontal disease is limited. Objective: The study aimed to investigate the inhibitory effect of MSE on the growth of periodontopathic bacteria and expression of interleukin (IL)-6 and IL-8 in Porphyromonas gingivalis Lipopolysaccharide (LPS)-stimulated human Periodontal Ligament (hPDL) fibroblasts...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29760713/human-leukocyte-antigen-class-i-alleles-and-the-autoreactive-t-cell-response-in-psoriasis-pathogenesis
#19
REVIEW
Jörg Christoph Prinz
Psoriasis is a complex immune-mediated inflammatory skin disease characterized by T-cell-driven epidermal hyperplasia. It occurs on a strong genetic predisposition. The human leukocyte antigen (HLA)-class I allele HLA-C*06:02 on psoriasis susceptibility locus 1 (PSORS1 on 6p21.3) is the main psoriasis risk gene. Other HLA-class I alleles encoding HLA molecules presenting overlapping peptide repertoires show associations with psoriasis as well. Outside the major histocompatibility complex region, genome-wide association studies identified more than 60 psoriasis-associated common gene variants exerting only modest individual effects...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29760709/protein-kinase-serine-threonine-kinase-24-positively-regulates-interleukin-17-induced-inflammation-by-promoting-ikk-complex-activation
#20
Yu Jiang, Miao Tian, Wenlong Lin, Xinyuan Wang, Xiaojian Wang
Interleukin 17 (IL-17) is a key inflammatory cytokine that plays a critical role in tissue inflammation and autoimmune diseases. However, its signaling remains poorly understood. In this study, we identified serine/threonine kinase 24 (Stk24) as a positive modulator of IL-17-mediated signaling and inflammation. Stk24 deficiency or knockdown markedly inhibited IL-17-induced phosphorylation of NF-κB and impaired IL-17-induced chemokines and cytokines expression. Stk24 overexpression greatly enhanced IL-17-induced NF-κB activation and expression of chemokines and cytokines in a kinase activity-independent manner...
2018: Frontiers in Immunology
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