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Interleukin 17

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https://www.readbyqxmd.com/read/28087239/on-going-mechanical-damage-from-mastication-drives-homeostatic-th17-cell-responses-at-the-oral-barrier
#1
Nicolas Dutzan, Loreto Abusleme, Hayley Bridgeman, Teresa Greenwell-Wild, Tamsin Zangerle-Murray, Mark E Fife, Nicolas Bouladoux, Holly Linley, Laurie Brenchley, Kelly Wemyss, Gloria Calderon, Bo-Young Hong, Timothy J Break, Dawn M E Bowdish, Michail S Lionakis, Simon A Jones, Giorgio Trinchieri, Patricia I Diaz, Yasmine Belkaid, Joanne E Konkel, Niki M Moutsopoulos
Immuno-surveillance networks operating at barrier sites are tuned by local tissue cues to ensure effective immunity. Site-specific commensal bacteria provide key signals ensuring host defense in the skin and gut. However, how the oral microbiome and tissue-specific signals balance immunity and regulation at the gingiva, a key oral barrier, remains minimally explored. In contrast to the skin and gut, we demonstrate that gingiva-resident T helper 17 (Th17) cells developed via a commensal colonization-independent mechanism...
January 6, 2017: Immunity
https://www.readbyqxmd.com/read/28078840/mast-cell-and-cancer-with-special-emphasis-on-il-37-an-anti-inflammatory-and-inhibitor-of-innate-immunity-new-frontiers
#2
F Carinci, G Lessiani, E Spinas, S K Kritas, G Ronconi, Al Caraffa, P Conti
Mast cells (MCs) are mediators of allergy and inflammation and participate in the growth of cancer cells. MCs can promote both neoangiogenesis and tumor growth. They increase in the stroma of certain tumors where they can be recruited by tumor-derived chemoattractants, such as monocyte chemotactic protein-1 (MCP-1), RANTES and stem cell factor (SCF) to selectively secrete inflammatory molecules including chemical mediators and cytokines (TNF, IL-6 and IL-1). However, MC differentiation pathways and heterogeneity in cancer are still poorly understood...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077684/targeting-aurora-kinase-a-and-jak2-prevents-gvhd-while-maintaining-treg-and-antitumor-ctl-function
#3
Brian C Betts, Anandharaman Veerapathran, Joseph Pidala, Hua Yang, Pedro Horna, Kelly Walton, Christopher L Cubitt, Steven Gunawan, Harshani R Lawrence, Nicholas J Lawrence, Said M Sebti, Claudio Anasetti
Graft-versus-host disease (GVHD) is a leading cause of nonrelapse mortality after allogeneic hematopoietic cell transplantation. T cell costimulation by CD28 contributes to GVHD, but prevention is incomplete when targeting CD28, downstream mammalian target of rapamycin (mTOR), or Aurora A. Likewise, interleukin-6 (IL-6)-mediated Janus kinase 2 (JAK2) signaling promotes alloreactivity, yet JAK2 inhibition does not eliminate GVHD. We provide evidence that blocking Aurora A and JAK2 in human T cells is synergistic in vitro, prevents xenogeneic GVHD, and maintains antitumor responses by cytotoxic T lymphocytes (CTLs)...
January 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28077069/a-pilot-study-of-brisk-walking-in-sedentary-combination-antiretroviral-treatement-cart-treated-patients-benefit-on-soluble-and-cell-inflammatory-markers
#4
Matteo Bonato, Laura Galli, Laura Passeri, Valeria Longo, Gaspare Pavei, Simona Bossolasco, Cecilia Bertocchi, Massimo Cernuschi, Giuseppe Balconi, Giampiero Merati, Adriano Lazzarin, Antonio La Torre, Paola Cinque
BACKGROUND: Chronic HIV infection is associated with low-level inflammation and increased risk of chronic diseases and mortality. The objective was to assess the effects of moderate intensity exercise on metabolic and inflammatory markers in HIV-infected treated persons. METHODS: This was a pilot study enrolling cART-treated, sedentary persons with metabolic complications in a 12-week protocol, consisting of three sessions per week of 60 min brisk walking with (strength-walk group) or without (walk group) 30 min circuit-training...
January 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28075473/spirulina-lipopolysaccharides-inhibit-tumor-growth-in-a-toll-like-receptor-4-dependent-manner-by-altering-the-cytokine-milieu-from-interleukin-17-interleukin-23-to-interferon-%C3%AE
#5
Hiromi Okuyama, Akira Tominaga, Satoshi Fukuoka, Takahiro Taguchi, Yutaka Kusumoto, Shiro Ono
Th17 cells and the cytokine they produce, interleukin (IL)-17, play an important role in tumor progression in humans and in mice. IL-6 and IL-23 are critical cytokines for the differentiation and propagation of Th17 cells, respectively. Bacterial lipopolysaccharides (LPS) are known to stimulate immune cells to produce such inflammatory cytokines. Contrary to Escherichia coli (E. coli) LPS, LPS from Spirulina has low toxicity and barely induces in vivo production of IL-6 and IL-23 in mice. We examined the antitumor effects of Spirulina LPS compared to E...
January 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28075383/soluble-fibre-meal-challenge-reduces-airway-inflammation-and-expression-of-gpr43-and-gpr41-in-asthma
#6
Isabel Halnes, Katherine J Baines, Bronwyn S Berthon, Lesley K MacDonald-Wicks, Peter G Gibson, Lisa G Wood
Short chain fatty acids (SCFAs) are produced following the fermentation of soluble fibre by gut bacteria. In animal models, both dietary fibre and SCFAs have demonstrated anti-inflammatory effects via the activation of free fatty acid receptors, such as G protein-coupled receptor 41 and 43 (GPR41 and GPR43). This pilot study examined the acute effect of a single dose of soluble fibre on airway inflammation-including changes in gene expression of free fatty acid receptors-in asthma. Adults with stable asthma consumed a soluble fibre meal (n = 17) containing 3...
January 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28074676/potential-route-of-th17-treg-cell-dynamics-in-targeting-type-1-diabetes-and-rheumatoid-arthritis-an-autoimmune-disorder-perspective
#7
Suresh Kumar Karri, A Sheela
Cytokines, small secreted proteins, have a specific effect on the interactions and communications between cells. They play a pivotal role in the pathogenesis of autoimmune diseases. Factors in the breakdown of self-tolerance and the subsequent events leading to the induction of pathogenic responses remain unclear for most of the autoimmune diseases. Large numbers of studies have revealed a general scheme in which pro-inflammatory cytokines contribute to the initiation and propagation of autoimmune inflammation, whereas anti-inflammatory cytokines facilitate the regression of inflammation and thereby recovery from the disease...
January 11, 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28074436/intrafollicular-inflammatory-cytokines-but-not-steroid-hormone-concentrations-are-increased-in-naturally-matured-follicles-of-women-with-proven-endometriosis
#8
Gengxiang Wu, N A Bersinger, M D Mueller, M von Wolff
PURPOSE: The aim of this study was to assess whether the intrafollicular cytokine profile in naturally developed follicles is different in women with endometriosis, possibly explaining the lower reproductive outcome in endometriosis patients. METHODS: A matched case-control study was conducted at a university-based infertility and endometriosis centre. The study population included 17 patients with laparoscopically and histologically confirmed endometriosis (rAFS stages II-IV), each undergoing one natural cycle IVF (NC-IVF) treatment cycle between 2013 and 2015, and 17 age-matched NC-IVF women without diagnosed endometriosis (control group)...
January 10, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28073409/-a-study-of-immune-response-to-hbsag-mediated-by-cd4-memory-t-lymphocytes-in-immunized-hbv-transgenic-mice
#9
Y Li, J H Chen, X G Shu, J H Chen, Q H Xia, W Z Yuan, L Wu, Q Tang, G B Wang
Objective: To investigate the mechanism of immune response to HBsAg mediated by CD4+ memory T lymphocytes in immunized HBV transgenic (Tg) mice. Methods: Peripheral CD4+ memory T lymphocytes were isolated and collected by magnetic bead sorting from C57BL/6 mice successfully immunized by hepatitis B vaccine. Adoptive immunization was performed for Tg mice by caudal vein injection, and the peripheral blood was collected at 4 and 8 weeks after adoptive immunization. Enzyme-linked immunosorbent assay was used to measure the levels of HBsAg, anti-HBs, interferon-γ (IFNγ), and interleukin-2 (IL-2), and immunohistochemistry was used to measure the level of HBsAg in the liver...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28073178/polyclonal-and-monoclonal-antibodies-for-induction-therapy-in-kidney-transplant-recipients
#10
REVIEW
Penny Hill, Nicholas B Cross, A Nicholas R Barnett, Suetonia C Palmer, Angela C Webster
BACKGROUND: Prolonging kidney transplant survival is an important clinical priority. Induction immunosuppression with antibody therapy is recommended at transplantation and non-depleting interleukin-2 receptor monoclonal antibodies (IL2Ra) are considered first line. It is suggested that recipients at high risk of rejection should receive lymphocyte-depleting antibodies but the relative benefits and harms of the available agents are uncertain. OBJECTIVES: We aimed to: evaluate the relative and absolute effects of different antibody preparations (except IL2Ra) when used as induction therapy in kidney transplant recipients; determine how the benefits and adverse events vary for each antibody preparation; determine how the benefits and harms vary for different formulations of antibody preparation; and determine whether the benefits and harms vary in specific subgroups of recipients (e...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28071012/phenylketonuria-is-not-a-risk-factor-for-changes-of-inflammation-status-as-assessed-by-interleukin-6-and-interleukin-8-concentrations
#11
Renata Mozrzymas, Monika Duś-Żuchowska, Łukasz Kałużny, Ewa Wenska-Chyży, Jarosław Walkowiak
BACKGROUND: High oxidative stress and a reduced potential for free radical scavenging in phenylketonuria (PKU) patients, a phenomenon confirmed in a few studies, may lead to systemic chronic inflammation. The aim of this study was to compare the inflammation status, as assessed by interleukin 6 and interleukin 8 concentrations, in patients with PKU and in healthy controls. METHODS: Twenty patients with classical PKU, aged 18-34 years and under dietary control, were enrolled in the study...
April 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28069745/associations-between-circulating-il-17-levels-and-rheumatoid-arthritis-and-between-il-17-gene-polymorphisms-and-disease-susceptibility-a-meta-analysis
#12
Young Ho Lee, Sang-Cheol Bae
OBJECTIVES: To systematically review evidence regarding the relationship between circulating interleukin-17 (IL-17) levels and rheumatoid arthritis (RA), and associations between polymorphisms in IL-17 genes and RA susceptibility. METHOD: We performed a meta-analysis of serum/plasma IL-17 levels in patients with RA and controls, and evaluated evidence of associations between the rs2275913, rs3819024, rs4711998 and rs8193036 polymorphisms in IL-17A and the rs763780 and rs2397084 polymorphisms in IL-17F and risk for RA...
January 9, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28069021/preoperative-optimization-of-patient-expectations-improves-long-term-outcome-in-heart-surgery-patients-results-of-the-randomized-controlled-psy-heart-trial
#13
Winfried Rief, Meike C Shedden-Mora, Johannes A C Laferton, Charlotte Auer, Keith J Petrie, Stefan Salzmann, Manfred Schedlowski, Rainer Moosdorf
BACKGROUND: Placebo effects contribute substantially to outcome in most fields of medicine. While clinical trials typically try to control or minimize these effects, the potential of placebo mechanisms to improve outcome is rarely used. Patient expectations about treatment efficacy and outcome are major mechanisms that contribute to these placebo effects. We aimed to optimize these expectations to improve outcome in patients undergoing coronary artery bypass graft (CABG) surgery. METHODS: In a prospective three-arm randomized clinical trial with a 6 month follow-up, 124 patients scheduled for CABG surgery were randomized to either a brief psychological pre-surgery intervention to optimize outcome expectations (EXPECT); or a psychological control intervention focusing on emotional support and general advice, but not on expectations (SUPPORT); or to standard medical care (SMC)...
January 10, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28067070/warfarin-affects-acute-inflammatory-response-induced-by-subcutaneous-polyvinyl-sponge-implantation-in-rats
#14
Ivana Mirkov, Aleksandra Popov, Jelena Demenesku, Marina Ninkov, Dina Mileusnic, Dragan Kataranovski, Milena Kataranovski
PURPOSE: Warfarin (WF) is anticoagulant which also affects physiological processes other than hemostasis. Our previous investigations showed the effect of WF which gained access to the organism via skin on resting peripheral blood granulocytes. Based on these data, the aim of the present study was to examine whether WF could modulate the inflammatory processes as well. To this aim the effect of warfarin on the inflammatory response induced by subcutaneous sponge implantation in rats was examined...
January 8, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28060820/proteolytic-origin-of-the-soluble-human-il-6r-in-vivo-and-a-decisive-role-of-n-glycosylation
#15
Steffen Riethmueller, Prasath Somasundaram, Johanna C Ehlers, Chien-Wen Hung, Charlotte M Flynn, Juliane Lokau, Maria Agthe, Stefan Düsterhöft, Yijue Zhu, Joachim Grötzinger, Inken Lorenzen, Tomas Koudelka, Kosuke Yamamoto, Ute Pickhinke, Rielana Wichert, Christoph Becker-Pauly, Marisa Rädisch, Alexander Albrecht, Markus Hessefort, Dominik Stahnke, Carlo Unverzagt, Stefan Rose-John, Andreas Tholey, Christoph Garbers
Signaling of the cytokine interleukin-6 (IL-6) via its soluble IL-6 receptor (sIL-6R) is responsible for the proinflammatory properties of IL-6 and constitutes an attractive therapeutic target, but how the sIL-6R is generated in vivo remains largely unclear. Here, we use liquid chromatography-mass spectrometry to identify an sIL-6R form in human serum that originates from proteolytic cleavage, map its cleavage site between Pro-355 and Val-356, and determine the occupancy of all O- and N-glycosylation sites of the human sIL-6R...
January 2017: PLoS Biology
https://www.readbyqxmd.com/read/28053519/network-pharmacology-based-identification-of-key-pharmacological-pathways-of-yin-huang-qing-fei-capsule-acting-on-chronic-bronchitis
#16
Guohua Yu, Yanqiong Zhang, Weiqiong Ren, Ling Dong, Junfang Li, Ya Geng, Yi Zhang, Defeng Li, Haiyu Xu, Hongjun Yang
For decades in China, the Yin-Huang-Qing-Fei capsule (YHQFC) has been widely used in the treatment of chronic bronchitis, with good curative effects. Owing to the complexity of traditional Chinese herbal formulas, the pharmacological mechanism of YHQFC remains unclear. To address this problem, a network pharmacology-based strategy was proposed in this study. At first, the putative target profile of YHQFC was predicted using MedChem Studio, based on structural and functional similarities of all available YHQFC components to the known drugs obtained from the DrugBank database...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28053319/pre-diagnostic-genotyping-identifies-t1d-subjects-with-impaired-treg-il-2-signaling-and-an-elevated-proportion-of-foxp3-il-17-cells
#17
A K Marwaha, C Panagiotopoulos, C M Biggs, S Staiger, K L Del Bel, A F Hirschfeld, J J Priatel, S E Turvey, R Tan
T-regulatory cells (Tregs) are essential for immune tolerance, and animal studies implicate their dysfunction in type 1 diabetes (T1D) pathogenesis. Tregs require interleukin-2 (IL-2) for their suppressive function, and variants in IL-2/IL-2R pathway genes have been associated with T1D. We previously reported that recent-onset T1D subjects have an increased population of FOXP3(lo) Tregs that secrete the pro-inflammatory cytokine, interleukin-17 (IL-17). We hypothesize that IL-2 signaling defects may drive T1D development by skewing protective Tregs towards an inflammatory Th17 phenotype...
January 5, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28051088/lacrimal-gland-derived-il-22-regulates-il-17-mediated-ocular-mucosal-inflammation
#18
Y W Ji, S K Mittal, H S Hwang, E-J Chang, J H Lee, Y Seo, A Yeo, H Noh, H S Lee, S K Chauhan, H K Lee
Inflammatory damage of mucosal surface of the eye is a hallmark of dry eye disease (DED) and, in severe cases, can lead to significant discomfort, visual impairment, and blindness. DED is a multifactorial autoimmune disorder with a largely unknown pathogenesis. Using a cross-sectional patient study and a well-characterized murine model of DED, herein we investigated the immunoregulatory function of interleukin-22 (IL-22) in the pathogenesis of DED. We found that IL-22 levels were elevated in lacrimal fluids of DED patients and inversely correlated with severity of disease...
January 4, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28043521/interleukin-10-gene-polymorphism-is-associated-with-multi-drug-resistant-tuberculosis-during-the-intensive-phase-of-standard-chemotherapy
#19
Butov Dmytro, Kuzhko Mykhailo, Butova Tetyana Kuzhko
OBJECTIVE/BACKGROUND: To study whether interleukin (IL)-10 gene polymorphism is associated with multi-drug resistant tuberculosis (MDR TB) during the intensive phase of standard chemotherapy. METHODS: The study comprised 170 individuals in Kharkiv region of Ukraine including 74 patients with pulmonary MDR TB (Group 1), 66 patients without MDR TB (Group 2), and 30 healthy donors (Group 3). Serum level of IL-10 was evaluated by enzyme-linked immunosorbent assay (pg/L)...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043488/development-of-the-food-supplement-nyaditum-resae-as-a-new-tool-to-reduce-the-risk-of-tuberculosis-development
#20
Nestani Tukvadze, Paula Cardona, Sergo Vashakidze, Natalia Shubladze, Zaza Avaliani, Cris Vilaplana, Pere-Joan Cardona
Nyaditum resae (NR) is a galenic preparation of heat-killed Mycobacterium manresensis (hkMn). This is a new species that belongs to the Mycobacterium fortuitum complex, and it is present in drinking water-thus, regulatorily speaking, it is considered a food supplement. Preclinical studies in the murine model of active tuberculosis (TB) in the C3HeB/FeJ strain have demonstrated that daily administration of NR containing 10(3)-10(6)hkMn for 14days was able to stop the progression toward active TB [1]. The mechanism of action was linked to the induction of low dose tolerance and was related to the increase of Tuberculin Purified Protein Derivative (PPD) memory-specific Tregs (CD4(+)CD25(+)CD39(+) cells) after ex vivo incubation of splenocytes for 7days...
December 2016: International Journal of Mycobacteriology
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