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IL 17 receptor B

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https://www.readbyqxmd.com/read/28319123/saccharomyces-boulardii-and-bacillus-subtilis-b10-modulate-tlrs-and-cytokines-expression-patterns-in-jejunum-and-ileum-of-broilers
#1
Imran Rashid Rajput, Huang Ying, Sun Yajing, Muhammad Asif Arain, Li Weifen, Li Ping, Dost Muhammad Bloch, Liu Wenhua
The present study was designed to evaluate the effects of Saccharomyces boulardii (Sb) and Bacillus subtilis B10 (Bs) on intestinal epithelial Toll like receptors (TLR), and Cytokine expression response to understand the intestinal epithelial innate immune mechanism in broilers. A total of 300 birds (Sanhuang broilers) were allotted into three groups (n = 100) and each divided into five replications (n = 20). Control group (Ctr) birds were fed basal diet, broilers in experimental groups received (1×108cfu/kg feed) Sb and Bs respectively in addition to basal diet for 72 days...
2017: PloS One
https://www.readbyqxmd.com/read/28294424/therapeutic-regulation-of-systemic-inflammation-in-xenograft-recipients
#2
Hayato Iwase, Hong Liu, Tao Li, Zhongquiang Zhang, Bingsi Gao, Hidetaka Hara, Martin Wijkstrom, Cassandra Long, Ryan Saari, David Ayares, David K C Cooper, Mohamed B Ezzelarab
Inflammation is known to preclude tolerance after transplantation. We have previously shown that systemic inflammation in xenograft recipients (SIXR) precedes activation of coagulation in the absence of T cell responses. Accordingly, SIXR may amplify innate and adaptive immune responses against xenografts after pig-to-primate xenotransplantation, even with efficient immunosuppressive therapy. We evaluated the impact of anti-inflammatory agents on pro-inflammatory cytokines and chemokines in pig artery patch and heart xenograft recipients...
March 12, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28289409/mitochondrial-dna-activates-the-nlrp3-inflammasome-and-predisposes-to-type-1-diabetes-in-murine-model
#3
Daniela Carlos, Frederico R C Costa, Camila A Pereira, Fernanda A Rocha, Juliana N U Yaochite, Gabriela G Oliveira, Fernando S Carneiro, Rita C Tostes, Simone G Ramos, Dario S Zamboni, Niels O S Camara, Bernhard Ryffel, João S Silva
Although a correlation between polymorphisms of NOD-like receptor family-pyrin domain containing 3 (NLRP3) and predisposition to type 1 diabetes (T1D) has been identified, the potential function and activation of the NLRP3 inflammasome in T1D have not been clarified. The present study shows that non-obese diabetic mice exhibited increased NLRP3, and pro-IL-1β gene expression in pancreatic lymph nodes (PLNs). Similar increases in gene expression of NLRP3, apoptosis associated speck like protein (ASC) and pro-IL-1β were induced by multiple low doses of streptozotocin (STZ) in C57BL/6 mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28286938/n-acetyl-l-cysteine-controls-osteoclastogenesis-through-regulating-th17-differentiation-and-rankl-in-rheumatoid-arthritis
#4
Hae-Rim Kim, Kyoung-Woon Kim, Bo-Mi Kim, Kyung-Ann Lee, Sang-Heon Lee
Background/Aims: This study aimed to determine the regulatory role of N-acetyl-l-cysteine (NAC), an antioxidant, in interleukin 17 (IL-17)-induced osteoclast differentiation in rheumatoid arthritis (RA). Methods: After RA synovial fibroblasts were stimulated by IL-17, the expression and production of receptor activator of nuclear factor κ-B ligand (RANKL) was determined by real-time polymerase chain reaction and enzyme-linked immunosorbent assay (ELISA). Osteoclastogenesis was also determined after co-cultures of IL-17-stimulated RA synovial fibroblasts, Th17 cells and various concentrations of NAC with monocytes...
March 13, 2017: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/28284343/sphk1-mediates-neuroinflammation-and-neuronal-injury-via-traf2-nf-%C3%AE%C2%BAb-pathways-in-activated-microglia-in-cerebral-ischemia-reperfusion
#5
Danying Su, Yuefeng Cheng, Shi Li, Dawei Dai, Wei Zhang, Manhua Lv
Sphingosine kinase 1 (Sphk1), a key enzyme responsible for phosphorylating sphingosine into sphingosine1-phosphate (S1P), plays an important role in mediating post-stroke neuroinflammation. However, the pathway and mechanism of the Sphk1-mediated inflammatory response remains unknown. In this study, we found that suppression of Sphk1 decreased IL17 production and relieved neuronal damage induced by microglia in cerebral ischemia reperfusion (IR) or in an in vitro oxygen-glucose deprivation reperfusion (OGDR) system...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28278201/the-symbiotic-bacterial-surface-factor-polysaccharide-a-on-bacteroides-fragilis-inhibits-il-1%C3%AE-induced-inflammation-in-human-fetal-enterocytes-via-toll-receptors-2-and-4
#6
Fei Jiang, Di Meng, Meiqian Weng, Weishu Zhu, Wenxue Wu, Dennis Kasper, W Allan Walker
Colonizing bacteria interacting with the immature, unlike the mature, human intestine favors inflammation over immune homeostasis. As a result, ten percent of premature infants under 1500 grams weight develop an inflammatory necrosis of the intestine after birth, e.g., necrotizing enterocolitis (NEC). NEC is a major health problem in this population causing extensive morbidity and mortality and an enormous expenditure of health care dollars. NEC can be prevented by giving preterm infants their mother's expressed breast milk or ingesting selective probiotic organisms...
2017: PloS One
https://www.readbyqxmd.com/read/28276465/cytochrome-p450s-in-human-immune-cells-regulate-il-22-and-c-kit-via-an-ahr-feedback-loop
#7
Renate Effner, Julia Hiller, Stefanie Eyerich, Claudia Traidl-Hoffmann, Knut Brockow, Massimo Triggiani, Heidrun Behrendt, Carsten B Schmidt-Weber, Jeroen T M Buters
The mechanisms how environmental compounds influence the human immune system are unknown. The environmentally sensitive transcription factor aryl hydrocarbon receptor (AHR) has immune-modulating functions and responds to small molecules. Cytochrome P4501 enzymes (CYP1) act downstream of the AHR and metabolize small molecules. However, it is currently unknown whether CYP1 activity is relevant for immune modulation. We studied the interdependence of CYP1 and AHR in human primary immune cells using pharmacological methods...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28273784/thymosin-%C3%AE-1-expands-deficient-il-10-producing-regulatory-b-cell-subsets-in-relapsing-remitting-multiple-sclerosis-patients
#8
Elena Giacomini, Fabiana Rizzo, Marilena P Etna, Melania Cruciani, Rosella Mechelli, Maria Chiara Buscarinu, Francesca Pica, Cartesio D'Agostini, Marco Salvetti, Eliana M Coccia, Martina Severa
BACKGROUND: B cells are key pathogenic effectors in multiple sclerosis (MS) and several therapies have been designed to restrain B cell abnormalities by directly targeting this lymphocyte population. OBJECTIVES: Moving from our data showing a Toll-like receptor (TLR)7-driven dysregulation of B cell response in relapsing-remitting multiple sclerosis (RRMS) and having found a low serum level of Thymosin-α1 (Tα1) in patients, we investigated whether the addition of this molecule to peripheral blood mononuclear cells (PBMCs) would influence the expansion of regulatory B cell subsets, known to dampen autoimmune inflammation...
February 1, 2017: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/28245885/olive-oil-bioactive-compounds-increase-body-weight-and-improve-gut-health-and-integrity-in-gilthead-sea-bream-sparus-aurata
#9
Enric Gisbert, Karl B Andree, José C Quintela, Josep A Calduch-Giner, Ignacio R Ipharraguerre, Jaume Pérez-Sánchez
An olive oil bioactive extract (OBE) rich in bioactive compounds like polyphenols, triterpenic acids, long-chain fatty alcohols, unsaturated hydrocarbons, tocopherols and sterols was tested (0, 0·08, 0·17, 0·42 and 0·73 % OBE) in diets fed to sea bream (Sparus aurata) (initial weight: 5·4 (sd 1·2) g) during a 90-d trial (four replicates). Fish fed diets containing 0·17 and 0·42 % OBE were 5 % heavier (61·1 (sd 1·6) and 60·3 (sd 1·1) g, respectively) than those of the control group (57·0 (sd 0·7) g), although feed conversion ratio and specific feed intake did not vary...
March 1, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28240761/hepatocellular-carcinoma-and-cxcr3-chemokines-a-narrative-review
#10
E Giusy, F Poupak
Hepatocellular carcinoma (HCC) results from several factors like viral hepatitis infection [hepatitis B, or C (25%)] or occupational exposure. T-helper (Th)1 inflammatory cells, characterized by interferon (IFN)-γ and interleukin (IL)-2 secretion, predominate in the liver during chronic HCV infection, and chemokines attracting these cells are particularly important in disease progression. Among C-X-C chemokines, the non-ELR group [as IFN-γ-induced protein 10 (IP-10), monokine induced by IFN-γ (MIG) and IFN-inducible T-cell-alpha chemoattractant (I-TAC)], attracts Th1-cells interacting with chemokine C-X-C receptor (CXCR3)...
January 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28219889/rapid-and-rigorous-il-17a-production-by-a-distinct-subpopulation-of-effector-memory-t-lymphocytes-constitutes-a-novel-mechanism-of-toxic-shock-syndrome-immunopathology
#11
Peter A Szabo, Ankur Goswami, Delfina M Mazzuca, Kyoungok Kim, David B O'Gorman, David A Hess, Ian D Welch, Howard A Young, Bhagirath Singh, John K McCormick, S M Mansour Haeryfar
Toxic shock syndrome (TSS) is caused by staphylococcal and streptococcal superantigens (SAgs) that provoke a swift hyperinflammatory response typified by a cytokine storm. The precipitous decline in the host's clinical status and the lack of targeted therapies for TSS emphasize the need to identify key players of the storm's initial wave. Using a humanized mouse model of TSS and human cells, we herein demonstrate that SAgs elicit in vitro and in vivo IL-17A responses within hours. SAg-triggered human IL-17A production was characterized by remarkably high mRNA stability for this cytokine...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28191009/defective-il-23-il-17-axis-protects-p47phox-mice-from-colon-cancer
#12
Cornelia Richter, Martina Herrero San Juan, Benno Weigmann, Dominik Bergis, Katrin Dauber, Michael H Muders, Gustavo B Baretton, Josef Martin Pfeilschifter, Halvard Bonig, Sebastian Brenner, Heinfried H Radeke
In the colon, a sophisticated balance between immune reaction and tolerance is absolutely required. Dysfunction may lead to pathologic phenotypes ranging from chronic inflammatory processes to cancer development. Two prominent modulators of colon inflammation are represented by the closely related cytokines interleukin (IL)-12 and IL-23, which initiate adaptive Th1 and Th17 immune responses, respectively. In this study, we investigated the impact of the NADPH oxidase protein p47phox, which negatively regulates IL-12 in dendritic cells, on colon cancer development in a colitis-associated colon cancer model...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28132739/the-th2-polarizing-function-of-atopic-interleukin-17-receptor-b-positive-dendritic-cells-up-regulated-by-lipopolysaccharide
#13
Rui Zheng, Feng-Hong Chen, Wen-Xiang Gao, Dan Wang, Qin-Tai Yang, Kai Wang, Yin-Yan Lai, Jie Deng, Li-Jie Jiang, Yue-Qi Sun, Jian-Bo Shi
BACKGROUND: Recent studies suggest that epithelial cell (EC)-derived cytokines contribute to allergic airway disease exacerbation. OBJECTIVE: To confirm our hypothesis that atopic dendritic cells (DCs) are activated to up-regulate the receptors of cytokines that mainly derived from ECs and enhance TH2 responses. METHODS: The expressions of interleukin 17 receptor B (IL-17RB) (IL-25 receptor), membrane-bound ST2 (IL-33 receptor), thymic stromal lymphopoietin receptor (TSLPR), granulocyte-macrophage colony-stimulating factor receptor (GM-CSFR), and several functional markers on CD1c(+) monocyte-derived DCs (mo-DCs) were detected by flow cytometry...
January 26, 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/28124082/novel-compound-heterozygous-mutations-in-zap70-in-a-chinese-patient-with-leaky-severe-combined-immunodeficiency-disorder
#14
Qing Liu, Yan-Ping Wang, Qiao Liu, Qin Zhao, Xue-Mei Chen, Xiu-Hong Xue, Li-Na Zhou, Yuan Ding, Xue-Mei Tang, Xiao-Dong Zhao, Zhi-Yong Zhang
In humans, the complete lack of tyrosine kinase ZAP70 function results in combined immunodeficiency (CID), with abnormal thymic development and defective T cell receptor (TCR) signaling of peripheral T cells, characterized by the selective absence of CD8(+) T cells. So far, 15 unique ZAP70 mutations have been identified in approximately 20 patients with CID, with variable clinical presentations. Herein, we report the first case from China of novel compound heterozygous mutations in ZAP70 (c.598-599delCT, p...
January 26, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28122130/peripheral-cytokine-and-chemokine-alterations-in-depression-a-meta-analysis-of-82-studies
#15
C A Köhler, T H Freitas, M Maes, N Q de Andrade, C S Liu, B S Fernandes, B Stubbs, M Solmi, N Veronese, N Herrmann, C L Raison, B J Miller, K L Lanctôt, A F Carvalho
OBJECTIVE: To conduct a systematic review and meta-analysis of studies that measured cytokine and chemokine levels in individuals with major depressive disorder (MDD) compared to healthy controls (HCs). METHOD: The PubMed/MEDLINE, EMBASE, and PsycINFO databases were searched up until May 30, 2016. Effect sizes were estimated with random-effects models. RESULT: Eighty-two studies comprising 3212 participants with MDD and 2798 HCs met inclusion criteria...
January 25, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28102734/fibroblast-like-synoviocytes-dependent-effector-molecules-as-a-critical-mediator-for-rheumatoid-arthritis-current-status-and-future-directions
#16
Ramamoorthi Ganesan, Mahaboobkhan Rasool
Rheumatoid arthritis (RA) is a systemic-autoimmune-mediated disease characterized by synovial hyperplasia and progressive destruction of joint. Currently available biological agents and inhibitor therapy that specifically target tumor necrosis factor-α, interleukin 1β (IL-1β), IL-6, T cells, B cells, and subcellular molecules (p38 mitogen-activated protein kinase and janus kinase) cannot facilitate complete remission in all patients and are unable to cure the disease. Therefore, further potent therapeutic targets need to be identified for effective treatment and successful clinical outcomes in patients with RA...
January 2, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28026029/anti-lgi1-encephalitis-is-associated-with-unique-hla-subtypes
#17
Tae-Joon Kim, Soon-Tae Lee, Jangsup Moon, Jun-Sang Sunwoo, Jung-Ick Byun, Jung-Ah Lim, Yong-Won Shin, Jin-Sun Jun, Han Sang Lee, Woo-Jin Lee, Ah Reaum Yang, Yunhee Choi, Kyung-Il Park, Keun-Hwa Jung, Ki-Young Jung, Manho Kim, Sang Kun Lee, Kon Chu
OBJECTIVE: Autoimmune encephalitis (AE), represented by anti-leucine-rich glioma-inactivated 1 (anti-LGI1) and anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis, has increasing clinical significance based on recent discoveries of neuronal autoantibodies. However, its immunopathogenesis is not fully understood. Here, we investigated whether AE is associated with the human leukocyte antigen (HLA) subtypes. METHODS: We compared the HLA genotypes of 11 anti-LGI1 and 17 anti-NMDAR encephalitis patients to the control groups, which consisted of 210 epilepsy patients and 485 healthy Koreans...
February 2017: Annals of Neurology
https://www.readbyqxmd.com/read/27995575/cerebrospinal-fluid-biomarkers-and-hiv-associated-neurocognitive-disorders-in-hiv-infected-individuals-in-rakai-uganda
#18
Mahsa Abassi, Bozena M Morawski, Gertrude Nakigozi, Noeline Nakasujja, Xiangrong Kong, David B Meya, Kevin Robertson, Ronald Gray, Maria J Wawer, Ned Sacktor, David R Boulware
In the USA, increased cerebrospinal fluid (CSF) inflammatory cytokines have been observed in antiretroviral therapy (ART)-naive, HIV-seropositive individuals with HIV-associated neurocognitive disorder (HAND). We characterized the relationship between HAND and CSF biomarker expression in ART-naive, HIV-seropositive individuals in Rakai, Uganda. We analyzed CSF of 78 HIV-seropositive, ART-naive Ugandan adults for 17 cytokines and 20 neurodegenerative biomarkers via Luminex multiplex assay. These adults underwent neurocognitive assessment to determine their degree of HAND...
December 19, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27992693/scleroderma-peripheral-b-lymphocytes-secrete-interleukin-6-and-tgf-%C3%AE-and-activate-fibroblasts
#19
Nicolas Dumoitier, Benjamin Chaigne, Alexis Régent, Sébastien Lofek, Maïssa Mhibik, Peter Dorfmüller, Benjamin Terrier, Jonathan London, Alice Bérezné, Nicolas Tamas, Nadine Varin-Blank, Luc Mouthon
OBJECTIVE: To study the role of B lymphocytes in systemic sclerosis (SSc). PATIENTS AND METHODS: Peripheral B cell subpopulations, interleukin 6 (IL-6) and transforming growth factor-beta (TGF-β) productions were analyzed using flow cytometry and multiplex assay. Fibroblasts proliferation rate upon incubation with supernatants of B cells isolated from SSc patients or healthy controls (HC) was assessed using XTT, BrdU and Ki67. Collagen production was assessed using a collagen assay...
December 19, 2016: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/27984078/anti-inflammatory-and-protective-effects-of-mt-031-a-novel-multitarget-mao-a-and-ache-buche-inhibitor-in-scopolamine-mouse-model-and-inflammatory-cells
#20
Wei Liu, Alon Rabinovich, Yuval Nash, Dan Frenkel, Yuqiang Wang, Moussa B H Youdim, Orly Weinreb
Previous study demonstrated that the novel multitarget compound, MT-031 preserved in one molecule entity the beneficial properties of its parent drugs, rasagiline and rivastigmine, and exerted high dual potencies of monoamine oxidase-A (MAO-A) and cholinesterase (ChE) inhibition in acute-treated mice and neuroprotective effects against H2O2-induced neurotoxicity in human neuroblastoma SH-SY5Y cells. The present study aimed to further investigate the anti-inflammatory and protective effects of MT-031 in scopolamine mouse model and inflammatory cell cultures...
October 28, 2016: Neuropharmacology
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