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IL 17 receptor B

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https://www.readbyqxmd.com/read/28985996/tlr-induced-secretion-of-novel-cytokine-il-27-is-defective-in-newly-diagnosed-type-2-diabetic-subjects
#1
Haridoss Madhumitha, Viswanathan Mohan, Subash Babu, Vivekanandhan Aravindhan
Toll-like receptors (TLRs), the innate immune receptors, act as sentinels bridging both innate and adaptive arms of immunity. In the present study, we estimated TLR-induced secretion of IL-27, IL-12, IL-23, IL-8, IP-10, IL-17, IL-6 and TNF-α (by ELISA) and expression of Human Leukocyte Antigen- (Human Leukocyte Antigen - antigen D Related (HLA-DR), CD69, CD80 (also known asB7-1) (by flowcytometry) and Activating Transcription Factor 3(ATF3) (by qRT-PCR) in whole blood cultures of control and type-2 diabetic (both newly diagnosed/NDD and known/KDM) subjects...
October 3, 2017: Cytokine
https://www.readbyqxmd.com/read/28970254/silybin-inhibits-nlrp3-inflammasome-assembly-through-the-nad-sirt2-pathway-in-mice-with-nonalcoholic-fatty-liver-disease
#2
Bangling Zhang, Dan Xu, Linlin She, Zixia Wang, Na Yang, Runbin Sun, Yirui Zhang, Caixia Yan, Qingli Wei, Jiye Aa, Baolin Liu, Guangji Wang, Yuan Xie
Silybin is one of the effective, traditional Chinese medicines used as a hepatoprotective agent in nonalcoholic fatty liver disease (NAFLD) therapy worldwide, and the NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome has been recognized as an important factor involved in NAFLD development. However, little is known about the mechanisms of silybin in the regulation of high-fat diet (HFD)-induced liver inflammation. In our study, we found that silybin inhibited endoplasmic reticulum stress and NLRP3 inflammasome activation in the livers of HFD-fed mice and in cultured hepatocytes...
September 27, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28935156/activation-of-il-17-receptor-leads-to-increased-oxidative-inflammation-in-peripheral-monocytes-of-autistic-children
#3
Ahmed Nadeem, Sheikh F Ahmad, Sabry M Attia, Saleh A Bakheet, Naif O Al-Harbi, Laila Y Al-Ayadhi
Millions of children are affected by different neurodevelopmental disorders, out of which autism spectrum disorder (ASD) poses a major hurdle to normal life style due to associated behavioral abnormalities. Several studies have shown an increased expression/release of Th17 related cytokine, IL-17A in ASD. IL-17A may enhance neuroinflammation via its IL-17A receptor, i.e. IL-17RA expressed in immune cells (such as monocytes) of autistic children. Increased oxidative stress has been implicated in a number of neuropsychiatric disorders including ASD...
September 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28932959/the-role-and-regulation-of-the-11-beta-hydroxysteroid-dehydrogenase-enzyme-system-in-patients-with-inflammatory-bowel-disease
#4
M Hussey, G Holleran, S Smith, Mark Sherlock, D McNamara
INTRODUCTION: Glucocorticoids are known to modulate a number of immunological responses including counteracting inflammation. Within tissues expressing the glucocorticoid and mineralocorticoid receptors including the colon, glucocorticoid metabolism is regulated by the isoenzymes of 11ß-hydroxysteroid dehydrogenase (11β-HSD). 11β-HSD1 acts as an oxidoreductase converting inactive cortisone into active cortisol, while 11β-HSD2 acts as a dehydrogenase converting active cortisol to inactive cortisone...
September 20, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28922563/role-of-il-18-in-atopic-asthma-is-determined-by-balance-of-il-18-il-18bp-il-18r
#5
Huiyun Zhang, Junling Wang, Ling Wang, Hua Xie, Liping Chen, Shaoheng He
It is recognized that IL-18 is related to development of asthma, but role of IL-18 in asthma remains controversial and confusing. This is largely due to lack of information on expression of IL-18 binding protein (BP) and IL-18 receptor (R) in asthma. In this study, we found that plasma levels of IL-18 and IL-18BP were elevated in asthma. The ratio between plasma concentrations of IL-18 and IL-18BP was 1:12.8 in asthma patients. We demonstrated that 13-fold more monocytes, 17.5-fold more neutrophils and 4.1-fold more B cells express IL-18BP than IL-18 in asthmatic blood, suggesting that there is excessive amount of IL-18BP to abolish actions of IL-18 in asthma...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28916002/characterization-of-immune-response-in-staphylococcus-aureus-chronically-infected-bovine-mammary-glands-during-active-involution
#6
Carolina S Andreotti, Celina Baravalle, Sofía C Sacco, Melisa Lovato, Elizabet A L Pereyra, María S Renna, Hugo H Ortega, Luis F Calvinho, Bibiana E Dallard
The aim of this study was to characterize the immune response in Staphylococcus aureus chronically infected bovine mammary glands during active involution. Twenty-one Holstein non-pregnant cows in late lactation either uninfected or with chronic naturally acquired S. aureus intramammary infections (IMI) were included in this study. Cows were slaughtered at 7, 14 and 21 d after cessation of milking and samples for immunohistochemical analysis were taken. Protein expression of toll-like receptor 2 (TLR2) and TLR4 was significantly higher in S...
October 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28898280/ilc2s-activated-by-il-25-promote-antigen-specific-th2-and-th9-functions-that-contribute-to-the-control-of-trichinella-spiralis-infection
#7
Pornpimon Angkasekwinai, Wichuda Sodthawon, Siranart Jeerawattanawart, Adithap Hansakon, Kovit Pattanapanyasat, Yui-Hsi Wang
IL-25, an IL-17 family cytokine, derived from epithelial cells was shown to regulate Th2- and Th9-type immune responses. We previously reported that IL-25 was important in promoting efficient protective immunity against T. spiralis infection; however, the cellular targets of IL-25 to elicit type-2 immunity during infection have not yet been addressed. Here, we investigated IL-25-responding cells and their involvement in mediating type-2 immune response during T. spiralis infection. ILC2 and CD4+ Th2 cells residing in the gastrointestinal tract of T...
2017: PloS One
https://www.readbyqxmd.com/read/28878128/respiratory-syncytial-virus-infection-of-newborn-cx3cr1-deficent-mice-induces-a-pathogenic-pulmonary-innate-immune-response
#8
Sudipta Das, Mahesh Raundhal, Jie Chen, Timothy B Oriss, Rachael Huff, John V Williams, Anuradha Ray, Prabir Ray
Respiratory syncytial virus (RSV) infects almost all infants by 2 years of age, and severe bronchiolitis resulting from RSV infection is the primary cause of hospitalization in the first year of life. Among infants hospitalized due to RSV-induced bronchiolitis, those with a specific mutation in the chemokine receptor CX3CR1, which severely compromises binding of its ligand CX3CL1, were at a higher risk for more severe viral bronchiolitis than those without the mutation. Here, we show that RSV infection of newborn mice deficient in CX3CR1 leads to significantly greater neutrophilic inflammation in the lungs, accompanied by an increase in mucus production compared with that induced in WT mice...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28866647/chemotaxis-of-v%C3%AE-2-t-cells-to-the-joints-contributes-to-the-pathogenesis-of-rheumatoid-arthritis
#9
Wen-Xiu Mo, Shan-Shan Yin, Hua Chen, Chen Zhou, Jia-Xin Zhou, Li-Dan Zhao, Yun-Yun Fei, Hua-Xia Yang, Jing-Bo Guo, Yu-Jia Mao, Lin-Fang Huang, Wen-Jie Zheng, Wen Zhang, Jian-Min Zhang, Wei He, Xuan Zhang
OBJECTIVES: To explore the role of Vδ2 T cells in the pathogenesis of rheumatoid arthritis (RA). METHODS: Sixty-eight patients with RA, 21 patients with osteoarthritis and 21 healthy controls were enrolled in the study. All patients with RA fulfilled the 2010 American College of Rheumatology/European League Against Rheumatism criteria for RA. Peripheral Vδ2T population, chemokine receptor expression and proinflammatory cytokine secretion were quantified by flow cytometry...
September 2, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28853490/interleukin-26-production-in-human-primary-bronchial-epithelial-cells-in-response-to-viral-stimulation-modulation-by-th17-cytokines
#10
Karlhans Fru Che, Riitta Kaarteenaho, Elisa Lappi-Blanco, Bettina Levänen, Jitong Sun, Åsa Wheelock, Lena Palmberg, C Magnus Sköld, Anders Lindén
Interleukin (IL)-26 is abundant in human airways and this cytokine is involved in the local immune response to a bacterial stimulus in vivo. Specifically, local exposure to the toll-like receptor (TLR) 4 agonist endotoxin does increase IL-26 in human airways and this cytokine potentiates chemotactic responses in human neutrophils. In addition to T-helper (Th) 17 cells, alveolar macrophages can produce IL-26, but it remains unknown whether this cytokine can also be produced in the airway mucosa per se in response to a viral stimulus...
August 29, 2017: Molecular Medicine
https://www.readbyqxmd.com/read/28837629/effects-of-subconjunctival-administration-of-anti-high-mobility-group-box-1-on-dry-eye-in-a-mouse-model-of-sj%C3%B3-gren-s-syndrome
#11
Kyeong Hwan Kim, Dong Hyun Kim, Hyun Jeong Jeong, Jin Suk Ryu, Yu Jeong Kim, Joo Youn Oh, Mee Kum Kim, Won Ryang Wee
PURPOSE: Extracellular high mobility group box 1 (HMGB1) acts as a damage associated molecular pattern molecule through the Toll-like receptor to promote autoreactive B cell activation, which may be involved in the pathogenesis of Sjӧgren's syndrome. The aim of this study was to investigate the effect of subconjunctival administration of anti-HMGB1 on dry eye in a mouse model of Sjӧgren's syndrome. METHODS: Ten weeks-old NOD.B10.H2b mice were subconjunctivally injected with 0...
2017: PloS One
https://www.readbyqxmd.com/read/28818508/the-role-of-the-il-8-signaling-pathway-in-the-infiltration-of-granulocytes-into-the-livers-of-patients-with-alcoholic-hepatitis
#12
S W French, A S Mendoza, N Afifiyan, B Tillman, E Vitocruz, B A French
BACKGROUND AND AIM: IL-8 (C-X-L motif chemokine ligase 8) and CXCR2 (C-X-C-motif chemokine receptor 2) are up regulated in alcoholic hepatitis (AH) liver biopsies. One of the consequences is the attraction and chemotactic neutrophilic infiltrate seen at the AH stage of alcoholic liver disease. MATERIALS AND METHODS: Human formalin-fixed, paraffin-embedded (FFPE) liver biopsies from patients who have AH were studied by (2.1) RNA sequencing, (2.2) PCR and (2.3) semi quantitation of specific proteins in biopsy sections using immunohistochemical measurements of antibody fluorescent intensity with morphometric technology...
August 14, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28770550/association-of-the-haem-oxygenase-1-gene-with-inflammatory-bowel-disease
#13
Zhenwu Lin, Han Hao, John P Hegarty, Tony R Lin, Yunhua Wang, Leonard R Harris, He N Xu, Rongling Wu, Neal J Thomas, Joanna Floros
The anti-inflammatory genes, haem oxygenase 1 (HO-1, HMOX1) rs2071746 (unrestricted model: p = 9.07 × 10-4; recessive model: p = 4.99 × 10-4; multiplicative model: p = 0.0009; and additive model: p = 1.87 × 10-4) and interleukin-10 (IL-10) rs1800872 (dominant model: p = 0.0277) have been associated with paediatric inflammatory bowel disease. The present family-based case-trio study (n = 52) examined HO-1 gene expression in the presence of proinflammatory lipopolysaccharide and tumour necrosis factor-alpha in four B lymphocyte cell lines established from children with inflammatory bowel disease and demonstrated that mutations in IL-10 and IL-10 receptor B reduced HO-1 messenger RNA expression...
August 3, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28765121/novel-therapies-for-immune-mediated-inflammatory-diseases-what-can-we-learn-from-their-use-in-rheumatoid-arthritis-spondyloarthritis-systemic-lupus-erythematosus-psoriasis-crohn-s-disease-and-ulcerative-colitis
#14
REVIEW
Kenneth F Baker, John D Isaacs
The past three decades have witnessed remarkable advances in our ability to target specific elements of the immune and inflammatory response, fuelled by advances in both biotechnology and disease knowledge. As well as providing superior treatments for immune-mediated inflammatory diseases (IMIDs), such therapies also offer unrivalled opportunities to study the underlying immunopathological basis of these conditions.In this review, we explore recent approaches to the treatment of IMIDs and the insights to pathobiology that they provide...
August 1, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28732152/secukinumab-in-the-treatment-of-psoriasis-and-psoriatic-arthritis-a-review-of-the-literature
#15
M Abrouk, J Gandy, M Nakamura, K Lee, M Brodsky, R Singh, H Zhu, B Farahnik, T Bhutani, J Koo
While there are several commercially available treatment options for psoriasis and psoriatic arthritis, there remains a large number of individuals who are refractory to current modalities. In the recent past, there has been increasing evidence that interleukin (IL)-17 plays a vital role in the pathophysiology of psoriasis. Preclinical, phase II, and phase III studies of secukinumab (Cosentyx®) targeting IL-17 and its receptor have thus far proved to be promising. We reviewed the results of phase II and phase III clinical trials for secukinumab in the treatment of psoriasis and psoriatic arthritis...
July 2017: Skin Therapy Letter
https://www.readbyqxmd.com/read/28684599/il-23-restoration-of-th17-effector-function-is-independent-of-il-6-and-tgf-%C3%AE-in-a-mouse-model-of-alcohol-and-burn-injury
#16
Xiaoling Li, Abigail R Cannon, Adam M Hammer, Niya L Morris, Mashkoor A Choudhry
T cells play a critical role in host defense against intestinal bacteria. We have shown that ethanol combined with burn injury suppresses Peyer's patch (PP) Th17 cytokines 1 d after injury. We assessed the mechanism of suppressed Th17 effector functions. Mice were gavaged with ethanol 4 h before burn injury and euthanized 1, 3, and 7 d after injury. Mesenteric lymph nodes (MLNs), PPs, and spleen Th1 and Th17 cytokines were assessed. A significant decrease in IL-17, IL-22, IL-2, and IFN-γ were observed in all 3 lymphoid organs 1 and 3 d after injury...
September 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28672038/t-cell-activation-and-differentiation-is-modulated-by-a-cd6-domain-1-antibody-itolizumab
#17
Usha Bughani, Arindam Saha, Anshu Kuriakose, Reshmi Nair, Ravindra B Sadashivarao, Rasika Venkataraman, Swati Patel, Anuja Tushar Deshchougule, Satish Kumar S, Enrique Montero, Harish V Pai, Dinesh V Palanivelu, Ramakrishnan Melarkode, Pradip Nair
CD6 is associated with T-cell modulation and is implicated in several autoimmune diseases. We previously demonstrated that Itolizumab, a CD6 domain 1 (CD6D1) specific humanized monoclonal antibody, inhibited the proliferation and cytokine production by T lymphocytes stimulated with anti-CD3 antibody or when co-stimulated with ALCAM. Aberrant IL-17 producing CD4+ helper T-cells (Th17) have been identified as pivotal for the pathogenesis of certain inflammatory autoimmune disorders, including psoriasis. Itolizumab has demonstrated efficacy in human diseases known to have an IL-17 driven pathogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28664612/autoimmune-arthritis-induces-paired-immunoglobulin-like-receptor-b-expression-on-cd4-t%C3%A2-cells-from-skg-mice
#18
Kathrin Rothe, Nora Raulien, Gabriele Köhler, Matthias Pierer, Dagmar Quandt, Ulf Wagner
The chronic, destructive autoimmune arthritis in SKG mice, which closely resembles human rheumatoid arthritis, is the result of self-reactive T cells escaping thymic deletion. Since the inhibitory receptor LIR-1 is up-regulated on auto-reactive T cells in human rheumatoid arthritis, the role of its murine ortholog PIR-B was investigated. Peripheral CD4(+) T cells from SKG mice were found to frequently express PIR-B, and this population produces more frequently IL-17 upon in vitro stimulation compared to PIR-B(-) cells...
September 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28659029/the-mixture-of-anemarrhena-asphodeloides-and-coptis-chinensis-attenuates-high-fat-diet-induced-colitis-in-mice
#19
Su-Min Lim, Hyun-Sik Choi, Dong-Hyun Kim
Anemarrhena asphodeloides (AA, family Liliaceae) inhibits macrophage activation by inhibiting IRAK1 phosphorylation and helper T (Th)17 differentiation. Coptis chinensis (CC, family Ranunculaceae), which inhibits macrophage activation by inhibiting the binding of lipopolysaccharide (LPS) on toll-like receptor 4 and inducing regulatory T (Treg) cell differentiation. The mixture of AA and CC (AC-mix) synergistically attenuates 2,4,6-trinitrobenzenesulfonic acid or dextran sulfate sodium-induced colitis in mice by inhibiting NF-[Formula: see text]B activation and regulating Th17/Treg balance...
2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28654150/severe-hidradenitis-suppurativa-responding-to-treatment-with-secukinumab-a-case-report
#20
L Thorlacius, P Theut Riis, G B E Jemec
An inappropriate immunologic response to an unknown antigen has been suggested to play a role in the pathogenesis of Hidradenitis suppurativa (HS). Studies have identified elevated levels of several proinflammatory cytokines, including IL-17A and TNF-α, nominating these as possible therapeutic targets.(1) Secukinumab is an Il-17A monoclonal antibody, which binds to Il-17A and inhibits the cytokine interaction with the Il-17 receptors, inhibiting the inflammatory cascade. Here we report on a case of a 47-year-old man, with Hurley Stage III lesions at the neck, axillae, breasts, genital skin and buttocks, who had experienced only temporary benefit from different medical treatments over the years...
June 27, 2017: British Journal of Dermatology
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