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https://www.readbyqxmd.com/read/29928824/enrichment-of-innate-lymphoid-cell-populations-in-gingival-tissue
#1
J L Brown, L Campbell, J Malcolm, A Adrados Planell, J P Butcher, S Culshaw
Innate lymphoid cells (ILCs) are a population of lymphocytes that act as the first line of immunologic defense at mucosal surfaces. The ILC family in the skin, lungs, and gastrointestinal tissues has been investigated, and there are reports of individual subsets of ILCs in the oral tissues. We sought to investigate the whole ILC population (group 1, 2, and 3 subsets) in the murine gingivae and the lymph nodes draining the oral cavity. We show that ILCs made up a greater proportion of the whole CD45+ lymphocyte population in the murine gingivae (0...
June 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29928498/heat-shock-protein-70-protects-mouse-against-post-infection-irritable-bowel-syndrome-via-up-regulating-intestinal-%C3%AE-%C3%AE-t-cell-s-th17-response
#2
Zhoutao He, Xiaoning Sun, Zhichao Ma, Jiao Fu, Baili Huang, Fujin Liu, Yi Chen, Taozhi Deng, Xiangyang Han, Deming Sun, Cheng Lan
Background: This study investigated the role of HSP70 in modulating intestinal γδ T cells' Th17 response in Trichinella spiralis -induced PI-IBS mice model. Methods: The intestinal HSP70's expression and mRNA level were measured by Western blot and RT-PCR. The intestinal γδ T cell's morphological changes were analyzed using immunofluorescence staining and confocal laser scanning microscope. The pro-inflammatory cytokines' level was detected by ELISA. The isolated and purified γδ T cells were pre-incubated with HSP70 and their functions including proliferation, apoptosis, activation and production of IL-17 were also detected...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29926390/selenium-deficiency-affects-immune-function-by-influencing-selenoprotein-and-cytokine-expression-in-chicken-spleen
#3
Pervez Ahmed Khoso, Yiming Zhang, Hang Yin, Xiaohua Teng, Shu Li
Se is an important bioelement essential for a healthy immune system. Dietary Se influences both innate and adaptive immune responses. However, the effects of Se deficiency in chicken spleen are still unknown; thus, we designed an experiment to study the role of Se in chicken spleen. A total of 180 one-day-old sea blue white laying hens were randomly allocated into two groups (a control group and a Se-deficient group). The control group was fed a diet supplemented with sodium selenite with a final Se content of 0...
June 20, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29924048/heterogeneity-of-tissue-il-17-and-tight-junction-proteins-expression-demonstrated-in-patients-with-autoimmune-thyroid-diseases
#4
Tatjana Zake, Sandra Skuja, Ieva Kalere, Ilze Konrade, Valerija Groma
Th17 cells together with their hallmark cytokine interleukin (IL)-17 were identified as crucial contributing factors in the pathogenesis of thyroid autoimmunity. The cytokine-regulated tight junction (Tj) disruption is thought to be essential in the initiation and/or development of several diseases. Still, the role of IL-17 maintaining Tj integrity in autoimmune thyroid diseases (AITDs) has not yet been evaluated. We aimed to investigate integrity of the thyroid follicle by studying immunoexpression of cellular Tj - zonula occludens (ZO)-1 and claudin-1 proteins coupled to IL-17A and CD68 detection in AITD patients compared with controls...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29922289/distinct-immunomodulatory-effects-of-spermine-oxidase-in-colitis-induced-by-epithelial-injury-or-infection
#5
Alain P Gobert, Nicole T Al-Greene, Kshipra Singh, Lori A Coburn, Johanna C Sierra, Thomas G Verriere, Paula B Luis, Claus Schneider, Mohammad Asim, Margaret M Allaman, Daniel P Barry, John L Cleveland, Christina E Destefano Shields, Robert A Casero, M Kay Washington, M Blanca Piazuelo, Keith T Wilson
Polyamines have been implicated in numerous biological processes, including inflammation and carcinogenesis. Homeostatic regulation leads to interconversion of the polyamines putrescine and the downstream metabolites spermidine and spermine. The enzyme spermine oxidase (SMOX), which back-converts spermine to spermidine, contributes to regulation of polyamine levels, but can also have other effects. We have implicated SMOX in gastric inflammation and carcinogenesis due to infection by the pathogen Helicobacter pylori ...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29922283/whodunit-the-contribution-of-interleukin-il-17-il-22-producing-%C3%AE-%C3%AE-t-cells-%C3%AE-%C3%AE-t-cells-and-innate-lymphoid-cells-to-the-pathogenesis-of-spondyloarthritis
#6
REVIEW
Annika Reinhardt, Immo Prinz
γδ T cells, αβ T cells, and innate lymphoid cells (ILCs) are capable of producing interleukin (IL)-17A, IL-17F, and IL-22. Among these three families of lymphocytes, it is emerging that γδ T cells are, at least in rodents, the main source of these key pro-inflammatory cytokines. γδ T cells were implicated in multiple inflammatory and autoimmune diseases, including psoriasis, experimental autoimmune encephalomyelitis and uveitis, colitis, and rheumatoid arthritis. Recent findings pointed toward a central role of γδ T cells in the pathogenesis of spondyloarthritis (SpA), a group of inflammatory rheumatic diseases affecting the axial skeleton...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29920500/rankl-rank-opg-axis-is-deregulated-in-the-cerebrospinal-fluid-of-multiple-sclerosis-patients-at-clinical-onset
#7
Anton Glasnović, Maristela Stojić, Lidija Dežmalj, Ivana Tudorić-Đeno, Dominik Romić, Vjekoslav Jeleč, Anđelko Vrca, Vladimira Vuletić, Danka Grčević
OBJECTIVES: Our study focused on the RANKL (receptor activator of nuclear factor-κB ligand)/RANK/OPG (osteoprotegerin) axis and selected proinflammatory/immunoregulatory upstream mediators in the peripheral blood (PBL) and cerebrospinal fluid (CSF) of multiple sclerosis (MS) patients. METHODS: PBL and CSF were collected from healthy controls (n = 35) and MS patients at the clinical onset of the disease (n = 33). In addition, PBL samples were obtained from relapse-remitting (RR)-MS patients (n = 30)...
June 19, 2018: Neuroimmunomodulation
https://www.readbyqxmd.com/read/29920313/inflammatory-bowel-disease-events-after-exposure-to-the-il-17-inhibitors-secukinumab-and-ixekizumab-a-post-marketing-analysis-from-the-radar-research-on-adverse-drug-events-and-reports-program
#8
Kelsey A Orrell, Morgan Murphrey, Ryan C Kelm, Harrison H Lee, David R Pease, Anne E Laumann, Dennis P West, Beatrice Nardone
No abstract text is available yet for this article.
June 16, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29920186/th1-th17-polarization-persists-following-whole-cell-pertussis-vaccination-despite-repeated-acellular-boosters
#9
Ricardo da Silva Antunes, Mariana Babor, Chelsea Carpenter, Natalie Khalil, Mario Cortese, Alexander J Mentzer, Grégory Seumois, Christopher D Petro, Lisa A Purcell, Pandurangan Vijayanand, Shane Crotty, Bali Pulendran, Bjorn Peters, Alessandro Sette
In the mid-1990s, whole-cell (wP) pertussis vaccines were associated with local and systemic adverse events, which prompted their replacement with acellular (aP) vaccines in many high-income countries. In the past decade rates of pertussis disease have increased in children receiving only acellular pertussis vaccines. We compared the immune responses to acellular pertussis boosters in children who received their initial doses with either wP or aP vaccines using activation-induced marker (AIM) assays. Specifically, we examined pertussis-specific memory CD4+ T cell responses ex vivo, highlighting a Type 2/Th2 versus Type 1/Th1 and Th17 differential polarization as a function of childhood vaccination...
June 19, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29914927/regulation-of-the-peptidoglycan-amidase-pglyrp2-in-epithelial-cells-by-il-36%C3%AE
#10
Glen M Scholz, Jacqueline E Heath, Jiamin Aw, Eric C Reynolds
IL-36 cytokines are important regulators of mucosal homeostasis and inflammation. We have previously established that oral epithelial cells upregulate IL-36γ expression in response to the bacterial pathogen Porphyromonas gingivalis Here, we have established that IL-36γ can stimulate the gene expression of mechanistically-distinct antimicrobial proteins, including the peptidoglycan amidase PGLYRP2, in oral epithelial cells (e.g. TIGK cells). PGLYRP2 gene expression was not stimulated by either IL-17 or IL-22, and thus demonstrating selectivity in the regulation of PGLYRP2 by IL-36γ...
June 18, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29914678/evaluating-the-cytokine-profile-of-the-wc1-%C3%AE-%C3%AE-t-cell-subset-in-the-ileum-of-cattle-with-the-subclinical-and-clinical-forms-of-map-infection
#11
S M Albarrak, W R Waters, J R Stabel, J M Hostetter
In the present study, we evaluated expression of IFN-γ, IL-17, TNF-α, IL-10 and TGF-β by mucosal cells, including WC1+ γδ T cells, in ileal tissues taken from non-infected cattle and cattle naturally infected with Mycobacterium avium subsp paratuberculosis (MAP). Infected cattle were either in the subclinical or clinical stage of infection. We hypothesized that the cytokine profile of the WC1+ γδ T cell subset would be different between subclinical and clinical cattle. Our data indicate a significant increase in the numbers of WC1+ γδ T cells expressing IL-10 in clinical cattle compared to subclinical and non-infected cattle...
July 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29913109/specific-t-cell-induction-using-iron-oxide-based-nanoparticles-as-subunit-vaccine-adjuvant
#12
Lázaro Moreira Marques Neto, Nicholas Zufelato, Ailton Antônio de Sousa-Júnior, Monalisa Martins Trentini, Adeliane Castro da Costa, Andris Figueiroa Bakuzis, André Kipnis, Ana Paula JunqueiraKipnis
Metal-based nanoparticles (NPs) stimulate innate immunity; however, they have never been demonstrated to be capable of aiding the generation of specific cellular immune responses. Therefore, our objective was to evaluate whether iron oxide-based NPs have adjuvant properties in generating cellular Th1, Th17 and TCD8 (Tc1) immune responses. For this purpose, a fusion protein (CMX) composed of Mycobacterium tuberculosis antigens was used as a subunit vaccine. Citrate-coated MnFe2 O4 NPs were synthesized by co-precipitation and evaluated by transmission electron microscopy...
June 18, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29909346/kuijieling-regulates-the-differentiation-of-treg-and-th17-cells-to-ameliorate-experimental-colitis-in-rats
#13
Yu Long, Sixin Li, Jingchun Qin, Liwei Xie, Liping Gan, Fengming Jie, Yanli Wu, Yanwu Li, Qun Du
BACKGROUND: Regulatory T (Treg) cells and T helper 17 (Th17) cells play crucial roles in ulcerative colitis (UC). Kuijieling (KJL) is an effective Chinese medicine formula for treating UC in clinic. Kuijieling has shown remedy effect on the imbalance between Treg and Th17 cells. This study aimed to further reveal the exact underlying mechanism of how Kuijieling regulates the differentiation of Treg and Th17 cells in the treatment of UC. METHODS: Colitis was induced by trinitrobenzene sulfonic acid in rats and treated by KJL...
June 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29908068/macrophages-in-patients-with-recurrent-endometrial-polyps-could-exacerbate-th17-responses
#14
Yali Zhu, Zhihong Liu, Miaomiao Du, Lisha Yi, Guifang Gong, Xiang Tang
Endometrial polyps (EPs) are outgrowths in the endometrium with unknown etiology. The fact that EPs can often recur after surgical removal suggests that EPs are not induced by random events but by continuous or recurrent processes in the patients. We previously demonstrated that the risk of EP development was positively associated with overactive Th17 responses. However, the requirements of Th17 upregulation are yet unclear. Here, we recruited twenty-six females with symptomatic EP and twenty-four females without EP, and peripheral mononuclear cells were harvested for the examination of circulating immunity...
June 16, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29907868/t-cell-directed-il-17-production-by-lung-granular-%C3%AE-%C3%AE-t-cells-is-coordinated-by-a-novel-il-2-and-il-1%C3%AE-circuit
#15
Antoine Ménoret, James A Buturla, Maria M Xu, Julia Svedova, Sanjeev Kumar, Vijay A K Rathinam, Anthony T Vella
Immune-mediated lung is considered the result of an exacerbated innate injury immune response, although a role for adaptive lymphocytes is emerging. αβ T cells specific for S. aureus enterotoxin A orchestrate a Tγδ17 response during lung injury. However, the mechanism driving IL-17 production is unclear. Here, we show a role for IL-2 triggering IL-17 production by lung granular γδ T cells as IL-17 synthesis and neutrophil recruitment was reduced by IL-2 blocking mAbs in vitro and in vivo. Mass cytometry analysis revealed that lung γδ T cells responded directly to IL-2 as evident from STAT5 phosphorylation and RoRγt expression...
June 15, 2018: Mucosal Immunology
https://www.readbyqxmd.com/read/29905412/myeloid-derived-suppressor-cell-accumulation-in-renal-cell-carcinoma-is-correlated-with-ccl2-il-17-and-il-18-expression-in-blood-and-tumors
#16
Xiaodong Guan, Zhiyu Liu, Jianhua Zhang, Xunbo Jin
BACKGROUND: Myeloid-derived suppressor cells (MDSC) play an important role in tumor-mediated immune evasion. Levels of MDSC in peripheral blood are increased in patients with cancer, correlating with cancer stage and outcome. Studies have confirmed the associations between MDSC and various cytokines in the peripheral blood of murine and human cancer hosts. However, little is known about the association between parenchymal MDSC subsets and cytokines, or the mechanism drawing MDSC into tumor parenchyma...
June 15, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29904427/association-of-serum-interleukin-10-interleukin-17a-and-transforming-growth-factor-%C3%AE-levels-with-human-benign-and-malignant-breast-diseases
#17
Zhuangwei Lv, Min Liu, Jinghui Shen, Dong Xiang, Yunfeng Ma, Yanhong Ji
Interleukin-10 (IL-10), interleukin-17A (IL-17A) and transforming growth factor α (TGF-α) have been implicated in the progression of breast cancer. However, the diagnostic and prognostic roles of these cytokines in ductal carcinoma remain unclear. The present study therefore aimed to determine the serum levels of IL-10, IL-17 and TGF-α in subjects with benign and malignant breast diseases and to evaluate the clinical significance of these cytokines in ductal carcinoma. Pre-operative serum samples were collected from 378 patients with breast disease and 70 healthy subjects...
June 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29901094/fennel-main-constituent-trans%C3%A2-anethole-treatment-against-lps%C3%A2-induced-acute-lung-injury-by-regulation-of-th17-treg-function
#18
Sichao Zhang, Xi Chen, Ichinkhorloo Devshilt, Qi Yun, Cong Huang, Lijun An, Sosorburam Dorjbat, Xin He
Fennel, commonly used in traditional Chinese medicine, is known as Foeniculum vulgare Mill. And its clinical application has been shown to target many biological systems including gastroenterology, endocrinology, gynecology and respiratory. The main constituent of the fennel essential oil is trans‑anethole, which has been described to have anti‑inflammatory and antibacterial activities. The aim of the present study was to define the anti‑inflammatory influence in acute lung injury (ALI)‑bearing mice...
June 7, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29899748/transcription-factor-retinoid-related-orphan-receptor-%C3%AE-t-a-promising-target-for-the-treatment-of-psoriasis
#19
REVIEW
Lipeng Tang, Xiaozhi Yang, Yongxin Liang, Hesong Xie, Zhenhua Dai, Guangjuan Zheng
Psoriasis, which is a common chronic inflammatory skin disease, endangers human health and brings about a major economic burden worldwide. To date, treatments for psoriasis remain unsatisfied because of their clinical limitations and various side effects. Thus, developing a safer and more effective therapy for psoriasis is compelling. Previous studies have explicitly shown that psoriasis is an autoimmune disease that is predominantly mediated by T helper 17 (Th17) cells, which express high levels of interleukin-17 (IL-17) in response to interleukin-23 (IL-23)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29899268/effect-of-nonsurgical-periodontal-therapy-on-plasma-levels-of-il-17-in-chronic-periodontitis-patients-with-well-controlled-type-ii-diabetes-mellitus-a-clinical-study
#20
Vishnu Jayakumar Sunandhakumari, Arun Sadasivan, Elizabeth Koshi, Aswathy Krishna, Aneesh Alim, Aneesh Sebastian
For years the pathogenesis of periodontitis was under an immunological Th1/Th2 paradigm. Th1 cells are considered to afford protection against the intracellular pathogens. These cells produce the interferons (IFN) that are involved in macrophage activation, which, in turn, plays an important role in phagocytosis, complement fixation, and opsonization. Th2 cells are thought to have evolved as a form of protection against parasitic helminthes. Th17 subset of CD4Not Necessary+ T cells was identified in the year 2005, which added greater complexity to Th function and are pro inflammatory in nature...
June 13, 2018: Dentistry journal
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