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https://www.readbyqxmd.com/read/28620096/interleukin-6-family-cytokines
#1
Stefan Rose-John
The interleukin (IL)-6 family cytokines is a group of cytokines consisting of IL-6, IL-11, ciliary neurotrophic factor (CNTF), leukemia inhibitory factor (LIF), oncostatin M (OSM), cardiotrophin 1 (CT-1), cardiotrophin-like cytokine (CLC), and IL-27. They are grouped into one family because the receptor complex of each cytokine contains two (IL-6 and IL-11) or one molecule (all others cytokines) of the signaling receptor subunit gp130. IL-6 family cytokines have overlapping but also distinct biologic activities and are involved among others in the regulation of the hepatic acute phase reaction, in B-cell stimulation, in the regulation of the balance between regulatory and effector T cells, in metabolic regulation, and in many neural functions...
June 15, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28617991/interferon-%C3%AE-regulates-the-production-of-il-10-by-toll-like-receptor-activated-microglia
#2
Diogo Lobo-Silva, Guilhermina M Carriche, A Gil Castro, Susana Roque, Margarida Saraiva
Pattern recognition receptors, such as toll-like receptors (TLRs), perceive tissue alterations and initiate local innate immune responses. Microglia, the resident macrophages of the brain, encode TLRs which primary role is to protect the tissue integrity. However, deregulated activation of TLRs in microglia may lead to chronic neurodegeneration. This double role of microglial responses is often reported in immune-driven neurologic diseases, as in multiple sclerosis (MS). Consequently, strategies to manipulate microglia inflammatory responses may help to ameliorate disease progression...
June 15, 2017: Glia
https://www.readbyqxmd.com/read/28615091/-detection-and-analysis-of-phenotypes-of-tumor-associated-macrophages-in-mouse-model-of-spontaneous-breast-cancer
#3
Xiaojie Ren, Peng Ren, Song Luo, Quanbo Ji, Meng Xu, Ning Lu, Yan Wang
Objective To detect the phenotypic conversion of tumor-associated macrophages (TAMs) through analyzing the expression levels of the polarization-related genes. Methods We identified the spontaneous breast cancer mice by genotyping and characterized them into the early stage and the advanced stage groups according to their tumor size. Single cell suspension of the tumor tissues were obtained by mechanical methods and TAMs of different stages were sorted by flow cytometry. We measured the mRNA levels of M1 macrophages-related genes IL-1β, IL-27, IL-6, CD80, CD86 and M2 macrophages-related genes arginase 1 (Arg1), IL-10, interleukin 4 receptor α (IL-4Rα), macrophage mannose receptor 1 (Mrc1), chitinase-like 3 (Chil3/Ym1) by real-time quantitative PCR in order to analyze the phenotypic conversion of TAMs during the tumor progression...
June 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28612255/il-27-regulates-the-adherence-proliferation-and-migration-of-mscs-and-enhances-their-regulatory-effects-on-th1-and-th2-subset-generations
#4
Fenghuang Xu, Junzhu Yi, Zhuoya Wang, Yejia Hu, Chunlei Han, Qun Xue, Xueguang Zhang, Xiying Luan
Interleukin 27 (IL-27) regulates T cell function and is involved in inflammation. It has been reported that human placenta-derived mesenchymal stromal cells (hPMSCs) can inhibit T cell responses and attenuate inflammation reactions. However, it is unclear whether IL-27 can regulate hPMSC function. Here, we examined the effects of IL-27 upon adherence, migration, and proliferation as well as the immunomodulatory effects of hPMSCs. The results show that IL-27 receptor α chain (IL-27Rα) is expressed in hPMSCs...
June 14, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28604806/prostaglandin-e2-inhibits-tr1-cell-differentiation-through-suppression-of-c-maf
#5
Kirsten Mary Hooper, Weimin Kong, Doina Ganea
Prostaglandin E2 (PGE2), a major lipid mediator abundant at inflammatory sites, acts as a proinflammatory agent in models of inflammatory/autoimmune diseases by promoting CD4 Th1/Th17 differentiation. Regulatory T cells, including the IL-10 producing Tr1 cells counterbalance the proinflammatory activity of effector Th1/Th17 cells. Tr1 cell differentiation and function are induced by IL-27, and depend primarily on sustained expression of c-Maf in addition to AhR and Blimp-1. In agreement with the in vivo proinflammatory role of PGE2, here we report for the first time that PGE2 inhibits IL-27-induced differentiation and IL-10 production of murine CD4+CD49b+LAG-3+Foxp3- Tr1 cells...
2017: PloS One
https://www.readbyqxmd.com/read/28592538/identification-of-il-27-il-27ra-as-a-critical-immune-axis-for-in-vivo-hiv-control
#6
M Ruiz-Riol, D Berdnik, A Llano, B Mothe, C Gálvez, S Pérez-Álvarez, B Oriol-Tordera, A Olvera, S Silva-Arrieta, Michael Meulbroek, Ferran Pujol, J Coll, J Martinez-Picado, C Ganoza, J Sanchez, G Gómez, T Wyss-Coray, C Brander
Intact and broad immune cell effector functions and specific individual cytokines have been linked to HIV disease outcome, but their relative contribution to HIV control remains unclear. We asked whether the proteome of secreted cytokines and signaling factors in peripheral blood can be used to discover specific pathways critical for host viral control. A custom glass-based microarray able to measure >600 plasma proteins involved in cell-to-cell communication was used to measure plasma protein profiles in 96 HIV-infected, treatment-naïve individuals with high (>50,000) or low (<10,000 HIV RNA copies/ml) viral loads...
June 7, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28584007/t-cell-derived-il-10-impairs-host-resistance-to-mycobacterium-tuberculosis-infection
#7
Lúcia Moreira-Teixeira, Paul S Redford, Evangelos Stavropoulos, Nico Ghilardi, Craig L Maynard, Casey T Weaver, Ana Paula Freitas do Rosário, Xuemei Wu, Jean Langhorne, Anne O'Garra
Tuberculosis (TB), caused by Mycobacterium tuberculosis infection, is a leading cause of mortality and morbidity, causing ∼1.5 million deaths annually. CD4(+) T cells and several cytokines, such as the Th1 cytokine IFN-γ, are critical in the control of this infection. Conversely, the immunosuppressive cytokine IL-10 has been shown to dampen Th1 cell responses to M. tuberculosis infection impairing bacterial clearance. However, the critical cellular source of IL-10 during M. tuberculosis infection is still unknown...
June 5, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28572271/editorial-il-27-expression-following-tlr-activation-in-bone-sounding-the-alarm-for-repair
#8
EDITORIAL
Marxa L Figueiredo
No abstract text is available yet for this article.
June 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28546929/aqueous-proinflammatory-cytokines-in-acute-primary-angle-closure-eyes
#9
Yao-Ming Liu, Shi-Da Chen, Xing-Yi Li, Wen-Bin Huang, Fei Li, Jia-Wei Wang, Ying-Qi Li, Xiu-Lan Zhang
AIM: To evaluate changes of proinflammatory cytokines in aqueous humor of patients with acute primary angle-closure (APAC) and age-related cataracts. METHODS: Twenty eyes of 20 APAC patients and 15 eyes of 15 age-related cataract patients were included in this cross-sectional study. Aqueous humor samples were collected prospectively. The levels of 20 proinflammatory cytokines were evaluated in the aqueous humor of the APAC and cataract patients using the multiplex bead immunoassay technique...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28536359/reduced-pro-inflammatory-cytokines-after-eight-weeks-of-low-dose-naltrexone-for-fibromyalgia
#10
Luke Parkitny, Jarred Younger
Fibromyalgia (FM) is a complex, multi-symptom condition that predominantly affects women. The majority of those affected are unlikely to gain significant symptomatic control from the few treatments that are approved for FM. In this 10-week, single-blind, crossover trial we tested the immune effects of eight weeks of oral administration of low-dose naltrexone (LDN). We enrolled eight women with an average age of 46 years, symptom severity of 62 out of 100, and symptom duration of 14 years. We found that LDN was associated with reduced plasma concentrations of interleukin (IL)-1β, IL-1Ra, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12p40, IL-12p70, IL-15, IL-17A, IL-27, interferon (IFN)-α, transforming growth factor (TGF)-α, TGF-β, tumor necrosis factor (TNF)-α, and granulocyte-colony stimulating factor (G-CSF)...
April 18, 2017: Biomedicines
https://www.readbyqxmd.com/read/28533995/crohn-s-disease-and-ulcerative-colitis-show-unique-cytokine-profiles
#11
Zoltan H Nemeth, Dorian A Bogdanovski, Patricia Barratt-Stopper, Samantha R Paglinco, Luca Antonioli, Rolando H Rolandelli
INTRODUCTION: Networks of cytokines have been implicated in both forms of inflammatory bowel disease (IBD): Crohn's disease (CD) and ulcerative colitis (UC). While CD has associated with T-helper type 1 (Th1) immune responses, UC shows Th2 patterns. Recent studies reported that the inflamed intestinal regions in both CD and UC are significantly infiltrated with a newly described set of T helper, the Th17 cells. These cells have unique cytokine responses. These findings prompted us to further explore the cytokine profiles of CD and UC with a special focus on the Th2 and Th17 related mediators...
April 19, 2017: Curēus
https://www.readbyqxmd.com/read/28521720/the-role-of-il-27-and-its-receptor-in-the-pathogenesis-of-hiv-aids-and-anti-viral-immune-response
#12
Yu-Huang Zheng, Shui-Ling Xiao, Bo He, Yan He, Hua-Ying Zhou, Zi Chen, Mei He, Hong-Yan Wang, Yi-He Lin, Jing Cao
BACKGROUND: Cytokines have been widely demonstrated to involve in the pathogenesis of AIDS and the mechanisms of antiretroviral therapy. Interleukin 27 (IL-27) is a new member of the IL-12 cytokine family and has been shown to interfere HIV-1 virus replication with controversial findings. This study is to investigate the dynamic changes in plasma IL-27 level and cell surface IL-27 receptor expression in HIV/AIDS patients who underwent HAART. METHODS: Whole blood was collected from 34 HIV-positive/AIDS patients 0, 6, and 12 months after initiation of HAART and 27 healthy subjects...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28508429/the-cross-talk-between-cervical-carcinoma-cells-and-vascular-endothelial-cells-mediated-by-il-27-restrains-angiogenesis
#13
Bing Zhang, Feng Xie, Chun-Lin Dong, Chun-Jie Gu, Jiao Cheng, Yuan Wang, Xi-Zhong Xu, Hong Pu, Yi-Bo Wu, Xiao-Wei Qi, Da-Jin Li, Jin-Jin Yu, Ming-Qing Li
PROBLEM: To explore whether cervical carcinoma cell-derived interleukin-27 (IL-27) modulates the angiogenesis of vascular endothelial cells. METHOD OF STUDY: The expression of IL-27 in cervical cancer tissues and cervical cell lines was analyzed by immunohistochemistry, ELISA and flow cytometry. Then, the effects of IL-27 on the proliferation and apoptosis-related molecules and angiogenesis in vitro of human umbilical vein endothelial cells (HUVECs) were investigated...
May 15, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28494727/expression-of-toll-like-receptor-2-and-toll-like-receptor-4-in-tuberculous-pleural-effusion
#14
Ying-Zhong Lin, Ting-Mei Feng, Jiao Lan, Chun-Xia Chen, Zhi-Qiang Qin, Yan-Bin Wu, Huan-Zhong Shi, Jian-Bo Ye, Cai-Zhou Wei, Wu Wang, Lu-Ying Huang
BACKGROUND: Toll-like receptor-2 (TLR2) and Toll-like receptor-4 (TLR4) have been reported to play a crucial role in tuberculosis, however, little is known about their expression in tuberculous pleuritis. OBJECTIVE: The goal of this work is to explore the expressions of TLR2 and TLR4 in tuberculous pleuritis and their predominant expressions on cells. METHODS: Levels of soluble TLR2 and TLR4 by enzyme linked immunosorbent assay (ELISA) in 58 patients with tuberculous pleural effusion (PE) and 43 with malignant PE were determined...
May 9, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28477192/flow-cytometric-assessment-of-stat-molecules-in-th9-cells
#15
Lucien P Garo, Vanessa Beynon, Gopal Murugaiyan
IL-9-producing Th9 cells are a novel subset of T helper cells that develop independently of other T helper subsets. Th9 cells have been implicated in the pathogenesis of allergic asthma and autoimmunity, while also serving as critical effector T cells in mediating antitumor immune responses. Concomitant presence of TGF-β and IL-4 lead to the differentiation of naïve CD4(+) T cells towards the Th9 phenotype. In addition, several cytokines, including IL-1β, IL-2, IL-25, and IL-33, further amplify Th9 responses...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28474504/mouse-nidovirus-ldv-infection-alleviates-graft-versus-host-disease-and-induces-type-i-ifn-dependent-inhibition-of-dendritic-cells-and-allo-responsive-t-cells
#16
Mélanie Gaignage, Reece G Marillier, Catherine Uyttenhove, Nicolas Dauguet, Anubha Saxena, Bernard Ryffel, Thomas Michiels, Jean-Paul Coutelier, Jacques Van Snick
INTRODUCTION: Viruses have developed multiple mechanisms to alter immune reactions. In 1969, it was reported that lactate dehydrogenase-elevating virus (LDV), a single stranded positive sense mouse nidovirus, delays skin allograft rejection and inhibits spleen alterations in graft versus host disease (GVHD). As the underlying mechanisms have remained unresolved and given the need for new therapies of this disease, we reassessed the effects of the virus on GVHD and tried to uncover its mode of action...
June 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28456791/nk-cells-and-multiple-myeloma-associated-endothelial-cells-molecular-interactions-and-influence-of-il-27
#17
Alessandra Dondero, Beatrice Casu, Francesca Bellora, Angelo Vacca, Annunziata De Luisi, Maria Antonia Frassanito, Claudia Cantoni, Silvia Gaggero, Daniel Olive, Alessandro Moretta, Cristina Bottino, Roberta Castriconi
Angiogenesis represents a hallmark of tumor progression in Multiple Myeloma (MM), a still incurable malignancy. Here we analyzed the activity of cytokine-stimulated NK cells against tumor-associated endothelial cells isolated from bone marrow aspirates of MM patients with active disease (MMECs). We show that NK cells activated with optimal doses of IL-15 killed MMECs thanks to the concerted action of multiple activating receptors. In particular, according to the high expression of PVR and Nectin-2 on MMECs, DNAM-1 actively participated in target recognition...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28452924/genome-wide-analyses-of-microrna-profiling-in-interleukin-27-treated-monocyte-derived-human-dendritic-cells-using-deep-sequencing-a-pilot-study
#18
Xiaojun Hu, Qian Chen, Bharatwaj Sowrirajan, Marjorie Bosche, Tomozumi Imamichi, Brad T Sherman
MicroRNAs (miRNAs) regulate gene expression and thereby influence cell fate and function. Recent studies suggest that an abundant class of miRNAs play important roles in immune cells, such as T cells, natural killer (NK) cells, B cells, and dendritic cells (DCs). Interleukin (IL)-27 is a member of the IL-12 family of cytokines with broad anti-viral effects. It is a potent inhibitor of HIV-1 infection in CD4+ T cells and macrophages, as well as monocyte-derived immature dendritic cells (iDCs). This pilot study compared miRNA profiles between iDCs and IL-27-treated iDCs (27DCs) using deep sequencing methods and identified 46 known miRNAs that were significantly differentially expressed in 27DCs: 36 were upregulated and 10 downregulated by IL-27...
April 28, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28439004/endocannabinoid-system-acts-as-a-regulator-of-immune-homeostasis-in-the-gut
#19
Nandini Acharya, Sasi Penukonda, Tatiana Shcheglova, Adam T Hagymasi, Sreyashi Basu, Pramod K Srivastava
Endogenous cannabinoids (endocannabinoids) are small molecules biosynthesized from membrane glycerophospholipid. Anandamide (AEA) is an endogenous intestinal cannabinoid that controls appetite and energy balance by engagement of the enteric nervous system through cannabinoid receptors. Here, we uncover a role for AEA and its receptor, cannabinoid receptor 2 (CB2), in the regulation of immune tolerance in the gut and the pancreas. This work demonstrates a major immunological role for an endocannabinoid. The pungent molecule capsaicin (CP) has a similar effect as AEA; however, CP acts by engagement of the vanilloid receptor TRPV1, causing local production of AEA, which acts through CB2...
May 9, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28398870/interleukin-35-rescues-regulatory-b-cell-function-but-the-effect-is-dysregulated-in-ulcerative-colitis
#20
Shaoxuan Wang, Chengyong Qin
Ulcerative colitis (UC) is a long-time inflammatory condition arising from aberrant immune activation in the colon and the rectum. Interleukin (IL)-35 plays critical roles in autoimmune disorders. In this study, we explored the pathways of IL-35 in affecting UC. First, peripheral blood mononuclear cells (PBMCs) from UC patients were obtained. Pretreating PBMCs with IL-35 resulted in significantly elevated IL-10 production from whole PBMCs as well as B cells, whereas pretreating PBMCs with IL-12 or IL-27 did not demonstrate a similar effect...
May 2017: DNA and Cell Biology
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