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https://www.readbyqxmd.com/read/28646042/on-the-role-il-4-il-13-heteroreceptor-plays-in-regulation-of-type-1-diabetes
#1
Tobechukwu K Ukah, Alexis N Cattin-Roy, Weirong Chen, Mindy M Miller, Subhasis Barik, Habib Zaghouani
Type 1 diabetes (T1D) manifests when the insulin-producing pancreatic β cells are destroyed as a consequence of an inflammatory process initiated by lymphocytes of the immune system. The NOD mouse develops T1D spontaneously and serves as an animal model for human T1D. The IL-4Rα/IL-13Rα1 heteroreceptor (HR) serves both IL-4 and IL-13 cytokines, which are believed to function as anti-inflammatory cytokines in T1D. However, whether the HR provides a responsive element to environmental (i.e., physiologic) IL-4/IL-13 in the regulation of peripheral tolerance and the development of T1D has yet to be defined...
June 23, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28642550/cytokines-regulate-complement-receptor-immunoglobulin-expression-and-phagocytosis-of-candida-albicans-in-human-macrophages-a-control-point-in-anti-microbial-immunity
#2
Usma Munawara, Annabelle G Small, Alex Quach, Nick N Gorgani, Catherine A Abbott, Antonio Ferrante
Complement Receptor Immunoglobulin (CRIg), selectively expressed by macrophages, plays an important role in innate immunity by promoting phagocytosis of bacteria. Thus modulation of CRIg on macrophages by cytokines can be an important mechanism by which cytokines regulate anti-microbial immunity. The effects of the cytokines, tumor necrosis factor, transforming growth factor-β1, interferon-γ, interleukin (IL)-4, IL-13, IL-10, IL-1β, IL-6, lymphotoxin-α, macrophage-colony stimulating factor (M-CSF) and GM-CSF on CRIg expression were examined in human macrophages...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28641938/administration-of-a-leptin-antagonist-during-the-neonatal-leptin-surge-induces-alterations-in-the-redox-and-inflammatory-state-in-peripubertal-adolescent-rats
#3
Virginia Mela, Oskarina Hernandez, Caroline Hunsche, Francisca Diaz, Julie A Chowen, Mónica De la Fuente
The importance of the neonatal leptin surge in rodents in neurodevelopmental processes has aroused curiosity in its implication in other physiological systems. Given the role of leptin in neuro-immune interactions, we hypothesized that the neonatal leptin surge could have an effect on the oxidative and inflammatory stress situations of both systems. We blocked the neonatal leptin surge by a leptin antagonist and measured several parameters of oxidative and inflammatory stress in the spleen, hypothalamus and adipose tissue of peripubertal/adolescent rats...
June 19, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28637902/tgf-%C3%AE-1-suppresses-il-33-induced-mast-cell-function
#4
Victor S Ndaw, Daniel Abebayehu, Andrew J Spence, Patrick A Paez, E Motunrayo Kolawole, Marcela T Taruselli, Heather L Caslin, Alena P Chumanevich, Anuya Paranjape, Bianca Baker, Brian O Barnstein, Tamara T Haque, Kasalina N Kiwanuka, Carole A Oskeritzian, John J Ryan
TGF-β1 is involved in many pathological conditions, including autoimmune disorders, cancer, and cardiovascular and allergic diseases. We have previously found that TGF-β1 can suppress IgE-mediated mast cell activation of human and mouse mast cells. IL-33 is a member of the IL-1 family capable of inducing mast cell responses and enhancing IgE-mediated activation. In this study, we investigated the effects of TGF-β on IL-33-mediated mast cell activation. Bone marrow-derived mast cells cultured in TGF-β1, β2, or β3 showed reduced IL-33-mediated production of TNF, IL-6, IL-13, and MCP-1 in a concentration-dependent manner...
June 21, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28634667/elevated-interleukin-13-receptor-alpha-1-expression-in-tumor-cells-is-associated-with-poor-prognosis-in-patients-with-invasive-breast-cancer
#5
Min Hui Park, Hee Jung Kwon, Jae-Ryong Kim, Byungheon Lee, Soo Jung Lee, Young Kyung Bae
BACKGROUND: Interleukin (IL)-13 is an immunoregulatory, anti-inflammatory cytokine that is produced by numerous immune cells, and plasma membrane receptor for IL-13 (IL-13R) is known to be expressed in various human malignancies and in immune cells. METHODS: The authors evaluated the expression of IL-13R alpha 1 (IL-13Rα1, an IL-13R subtype) by immunohistochemistry in tissue microarrays of 1213 invasive breast cancer (IBC) samples to determine the prognostic value of IL-13Rα1 expression...
June 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28634479/whole-blood-profiling-of-bacillus-calmette-gu%C3%A3-rin-induced-trained-innate-immunity-in-infants-identifies-epidermal-growth-factor-il-6-platelet-derived-growth-factor-ab-bb-and-natural-killer-cell-activation
#6
Steven G Smith, Johanneke Kleinnijenhuis, Mihai G Netea, Hazel M Dockrell
Vaccination of infants with bacillus Calmette-Guérin (BCG) activates both the innate and adaptive arms of the immune response. The antimycobacterial effects of these responses most likely account for the ability of BCG to protect against childhood forms of tuberculosis (TB). There is also evidence for a heterologous protective effect of BCG vaccination against TB-unrelated mortality in low birth weight infants. A possible mechanism of action of this effect, the induction of trained innate immunity, has been demonstrated when cells from BCG-vaccinated adults are restimulated in vitro with non-related microbial stimuli...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28630066/porphyromonas-gulae-activates-unprimed-and-ifn%C3%AE-primed-macrophages-via-the-pattern-recognition-receptors-tlr-2-tlr-4-and-nod2
#7
James A Holden, Neil M O'Brien-Simpson, Jason C Lenzo, Rebecca K H Orth, Ashley Mansell, Eric C Reynolds
Porphyromonas gulae is an anaerobic, Gram-negative coccobacillus that has been associated with periodontal disease in companion animals. The aims of this study were to analyse the ligation of pattern recognition receptors by P. gulae and the subsequent activation of macrophages. Exposure of HEK cells transfected with Toll-like receptors or NOD-like receptors to P. gulae resulted in the ligation of TLR2, TLR4 and NOD2. The effect of this engagement of receptors was investigated by measuring the synthesis of nitric oxide, CD86 expression and inflammatory cytokine production using wild type, TLR2-/- and TLR4-/- macrophages...
June 19, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28628884/proteomics-profiling-reveals-inflammatory-biomarkers-of-antidepressant-treatment-response-findings-from-the-co-med-trial
#8
Bharathi S Gadad, Manish K Jha, Bruce D Grannemann, Taryn L Mayes, Madhukar H Trivedi
Animal and human studies suggest an association between depression and aberrant immune response. Further, common inflammatory markers may change during the course of antidepressant treatment in patients. The objective of this study was to evaluate changes in inflammatory markers and clinical outcomes from subjects enrolled in the Combining Medications to Enhance Depression Outcome (CO-MED) trial. At baseline and week 12 (treatment completion), plasma samples of 102 participants were analyzed via a multiplex assay comprised of inflammatory markers using a 27-plex standard assay panel plus a 4-plex human acute phase xMAP technology based platform...
May 26, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28628664/effects-of-diesel-exhaust-particle-exposure-on-a-murine-model-of-asthma-due-to-soybean
#9
Daniel Alvarez-Simón, Xavier Muñoz, Susana Gómez-Ollés, Miquel de Homdedeu, María-Dolores Untoria, María-Jesús Cruz
BACKGROUND: Exposure to soybean allergens has been linked to asthma outbreaks. Exposure to diesel exhaust particles (DEP) has been associated with an increase in the risk of asthma and asthma exacerbation; however, in both cases the underlying mechanisms remain poorly understood, as does the possible interaction between the two entities. OBJECTIVE: To investigate how the combination of soybean allergens and DEP can affect the induction or exacerbation of asthma in a murine model...
2017: PloS One
https://www.readbyqxmd.com/read/28628633/pro-inflammatory-immune-responses-are-associated-with-clinical-signs-and-symptoms-of-human-anaplasmosis
#10
Anna M Schotthoefer, Steven J Schrodi, Jennifer K Meece, Thomas R Fritsche, Sanjay K Shukla
Human anaplasmosis (HA) is an emerging tick-borne disease that may present as a mild flu-like illness or a life threatening, sepsis-like condition. Although disease severity is hypothesized to relate to immunopathology and immune dysfunction in humans, studies to directly measure immune responses in infected humans have been very limited. We quantified cytokines in 80 confirmed HA patients using a multiplex chemiluminescence immunoassay system and compared similarly measured responses in 1000 control subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28627972/immunomodulatory-effects-of-cigarette-smoke-condensate-in-mouse-macrophage-cell-line
#11
Junwei Zhao, Xiang Li, Fuwei Xie, Zhihua Yang, Xiujie Pan, Maoxiang Zhu, Pingping Shang, Cong Nie, Huimin Liu, Jianping Xie
Increasing evidence has demonstrated that the secretion of cytokines may be associated with cigarette smoke-induced immunomodulatory effects, but a comprehensive analysis of the cytokine profile for cigarette smoke condensate (CSC) exposure is lacking. The aims of this study were to (1) examine the release of 20 cytokines induced by CSC from 12 brands of cigarettes in macrophages cells (Ana-1) and (2) to investigate the general characteristics of the immunomodulatory effects of CSC. Luminex technology was used to simultaneously determine the levels of 20 cytokines (interleukin (IL)-1α, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-10, IL-12, IL-13, IL-17, granulocyte-macrophage colony-stimulating factor (GM-CSF), interferon-γ (IFN-γ), keratinocyte-derived Chemokine (KC), monocyte chemoattractant protein 1 (MCP-1), macrophage inflammatory protein 1α (MIP-1α), induced protein 10 (IP-10), tumor necrosis factor α (TNF-α), vascular endothelial growth factor (VEGF), monkine inducible by γ interferon (MIG), and fibroblast growth factor (FGF)-basic) in the supernatants from Ana-1 cells treated with the CSC...
June 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28627218/performance-evaluation-of-three-platforms-with-ultrasensitive-ligand-binding-assay-potential
#12
Kyra Juliana Cowan, Albert Geiger, Hans Hornauer, Robyn Rourick, Patricia Yanira Siguenza
AIM: We evaluated three immunoassay-based technologies and their biomarker kits, by determining precision, parallelism and detectability of analytes of interest. MATERIALS & METHODS: We compared ultrasensitive assays for three biomarkers: interleukins IL-6, IL-13 and IL-17A using kits obtained from Roche (IMPACT platform - proprietary platform), Singulex (Erenna(®)) and Quanterix (Simoa(™)). We defined the true LLOD as the LLOQs, and provided disease-specific parallelism results and detectability levels for endogenous analyte, which were good across platforms, though they varied from analyte to analyte...
June 19, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28624362/pulvis-fellis-suis-extract-attenuates-ovalbumin-induced-airway-inflammation-in-murine-model-of-asthma
#13
Jiao He, Le Lv, Ziye Wang, Chuanchuan Huo, Zongwei Zheng, Bing Yin, Peizhi Jiang, Yang Yang, Jing Li, Yuan Gao, Jing Xue
ETHNOPHARMACOLOGICAL RELEVANCE: Pulvis Fellis Suis (PFS), named with "Zhu Danfen" in China, has been extensively used for the therapy of enteritis, acute pharyngitis, whooping cough and asthma in folk medicine. Although PFS shows anti-inflammatory activities, its effect on airway inflammation in asthma has not been studied. AIM OF THE STUDY: To explore the protective effect of PFS ethanol extract against airway inflammation in asthmatic mice. MATERIALS AND METHODS: Allergic asthma in mice was sensitized and challenged by OVA...
June 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28623741/oxidized-ldl-activated-eosinophil-polarize-macrophage-phenotype-from-m2-to-m1-through-activation-of-cd36-scavenger-receptor
#14
Minghui Qin, Lai Wang, Fuqiang Li, Mingjie Yang, Lei Song, Fang Tian, Ada Yukht, Prediman K Shah, Marc E Rothenberg, Behrooz G Sharifi
BACKGROUND AND AIMS: Inflammation, particularly innate immunity, plays an important role in cardiovascular diseases. The aim of this study was to investigate whether atherogenic determinants such as oxidized LDL modulate the phenotype of eosinophils. METHODS: Cultured eosinophils were treated with oxidized LDL and the expression of selective inflammatory and anti-inflammatory cytokines was determined. In addition, the eosinophil receptor and signaling that mediate these events were identified...
May 20, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28615417/t-cell-restricted-notch-signaling-contributes-to-pulmonary-th1-and-th2-immunity-during-cryptococcus-neoformans-infection
#15
Lori M Neal, Yafeng Qiu, Jooho Chung, Enze Xing, Woosung Cho, Antoni N Malachowski, Ashley R Sandy-Sloat, John J Osterholzer, Ivan Maillard, Michal A Olszewski
Cryptococcus neoformans is a ubiquitous, opportunistic fungal pathogen but the cell signaling pathways that drive T cell responses regulating antifungal immunity are incompletely understood. Notch is a key signaling pathway regulating T cell development, and differentiation and functional responses of mature T cells in the periphery. The targeting of Notch signaling within T cells has been proposed as a potential treatment for alloimmune and autoimmune disorders, but it is unknown whether disturbances to T cell immunity may render these patients vulnerable to fungal infections...
June 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28615106/-enhanced-ilc2-activity-contributes-to-metabolic-syndrome-multicomponent-aggregation-state-in-patients-with-type-2-diabetic-nephropathy
#16
Ping Lu, Yunyun Xu, Zhaoliang Su, Huaxi Xu
Objective To study the relationship between the activity of group II innate lymphoid cells (ILC2) in maintenance hemodialysis patients with type 2 diabetic nephropathy (DN) and metabolic syndrome (MS) multicomponent aggregation state. Methods The study enrolled 30 DN patients of stable condition treated with maintenance hemodialysis over 3 months, 30 newly diagnosed untreated type 2 diabetes patients and 30 healthy volunteers as controls. Real-time quantitative PCR (qRT-PCR) was used to detect the mRNA expression levels of retinoic acid receptor-related orphan receptor α (RORα), interleukin 17 receptor B (IL-17RB), IL-33 receptor T1/ST2, IL-5 and IL-13 in peripheral blood mononuclear cells (PBMCs)...
June 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28613415/composition-and-functionality-of-the-intrahepatic-innate-lymphoid-cell-compartment-in-human-non-fibrotic-and-fibrotic-livers
#17
Marianne Forkel, Lena Berglin, Eliisa Kekäläinen, Adrian Carlsson, Emma Svedin, Jakob Michaëlsson, Maho Nagasawa, Jonas S Erjefält, Michiko Mori, Malin Flodström-Tullberg, Annika Bergquist, Hans-Gustaf Ljunggren, Magnus Westgren, Ulrik Lindforss, Danielle Friberg, Carl Jorns, Ewa Ellis, Niklas K Björkström, Jenny Mjösberg
Human innate lymphoid cells have been described to exist in different organs, with functional deregulation of these cells contributing to several disease states. Here, we performed the first detailed characterization of the phenotype, tissue-residency properties and functionality of ILC1s, ILC2s and ILC3s in the human adult and fetal liver. In addition, we investigated changes in the ILC compartment in liver fibrosis. A unique composition of tissue-resident ILCs was observed in non-fibrotic livers as compared with that in mucosal tissues, with NKp44(-) ILC3s accounting for the majority of total intrahepatic ILCs...
June 14, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28612843/tricellulin-is-regulated-via-interleukin-13-receptor-%C3%AE-2-affects-macromolecule-uptake-and-is-decreased-in-ulcerative-colitis
#18
S M Krug, C Bojarski, A Fromm, I M Lee, P Dames, J F Richter, J R Turner, M Fromm, J-D Schulzke
In the two inflammatory bowel diseases, ulcerative colitis (UC) and Crohn's disease (CD), altered expression of tight junction (TJ) proteins leads to an impaired epithelial barrier including increased uptake of luminal antigens supporting the inflammation. Here, we focused on regulation of tricellulin (Tric), a protein of the tricellular TJ essential for the barrier against macromolecules, and hypothesized a role in paracellular antigen uptake. We report that Tric is downregulated in UC, but not in CD, and that its reduction increases the passage of macromolecules...
June 14, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28612730/-innate-lymphoid-cells
#19
Adeline Crinier, Charlotte Viant, Mathilde Girard-Madoux, Éric Vivier
Innate Lymphoid Cells (ILC) are tissue-resident effector lymphocytes that differ from the B and T lymphocytes subsets since they lack specific antigen receptors derived from gene rearrangements. They can be divided into two groups, cytotoxic ILC (NK cells) which are dependent on the transcription factors Eomes and T-bet and produce IFN-γ, and helper-like ILC (ILC1, ILC2, ILC3) which are dependent on T-bet, GATA-3 or RORγT and produce IFN-γ, IL-5/IL-13 or IL-17/IL-22 respectively. Although they were described recently, ILC are the subject of a large number of studies that characterize their role as one of the first effectors of the innate immune response as well as in the development of a wide number of inflammatory disorders...
May 2017: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/28612257/peripheral-alterations-in-cytokine-and-chemokine-levels-after-antidepressant-drug-treatment-for-major-depressive-disorder-systematic-review-and-meta-analysis
#20
REVIEW
Cristiano A Köhler, Thiago H Freitas, Brendon Stubbs, Michael Maes, Marco Solmi, Nicola Veronese, Nayanna Q de Andrade, Gerwyn Morris, Brisa S Fernandes, André R Brunoni, Nathan Herrmann, Charles L Raison, Brian J Miller, Krista L Lanctôt, André F Carvalho
Mounting evidence suggests that aberrations in immune-inflammatory pathways contribute to the pathophysiology of major depressive disorder (MDD), and individuals with MDD may have elevated levels of predominantly pro-inflammatory cytokines and C-reactive protein. In addition, previous meta-analyses suggest that antidepressant drug treatment may decrease peripheral levels of interleukin-1 beta (IL-1β) and IL-6. Recently, several new studies examining the effect of antidepressants on these cytokines have been published, and so we performed an updated meta-analysis of studies that measured peripheral levels of cytokines and chemokines during antidepressant treatment in patients with MDD...
June 13, 2017: Molecular Neurobiology
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