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https://www.readbyqxmd.com/read/28329706/exposure-to-bacterial-cpg-dna-protects-from-airway-allergic-inflammation-by-expanding-regulatory-lung-interstitial-macrophages
#1
Catherine Sabatel, Coraline Radermecker, Laurence Fievez, Genevieve Paulissen, Svetoslav Chakarov, Claudia Fernandes, Sabine Olivier, Marie Toussaint, Dimitri Pirottin, Xue Xiao, Pascale Quatresooz, Jean-Claude Sirard, Didier Cataldo, Laurent Gillet, Hicham Bouabe, Christophe J Desmet, Florent Ginhoux, Thomas Marichal, Fabrice Bureau
Living in a microbe-rich environment reduces the risk of developing asthma. Exposure of humans or mice to unmethylated CpG DNA (CpG) from bacteria reproduces these protective effects, suggesting a major contribution of CpG to microbe-induced asthma resistance. However, how CpG confers protection remains elusive. We found that exposure to CpG expanded regulatory lung interstitial macrophages (IMs) from monocytes infiltrating the lung or mobilized from the spleen. Trafficking of IM precursors to the lung was independent of CCR2, a chemokine receptor required for monocyte mobilization from the bone marrow...
March 21, 2017: Immunity
https://www.readbyqxmd.com/read/28322445/transplantation-of-mesenchymal-stem-cells-overexpressing-il10-attenuates-cardiac-impairments-in-rats-with-myocardial-infarction
#2
Xin Meng, Jianping Li, Ming Yu, Jian Yang, Minjuan Zheng, Jinzhou Zhang, Chao Sun, Hongliang Liang, Liwen Liu
Mesenchymal stem cell (MSC) has been well known to exert therapeutic potential for patients with myocardial infarction (MI). In addition, interleukin-10 (IL10) could attenuate MI through suppressing inflammation. Thus, the combination of MSC implantation with IL10 delivery may extend health benefits to ameliorate cardiac injury after MI. Here we established overexpression of IL10 in bone marrow-derived MSC through adenoviral transduction. Cell viability, apoptosis and IL10 secretion under ischemic challenge in vitro were examined...
March 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28320933/activin-a-co-opts-irf4-and-ahr-signaling-to-induce-human-regulatory-t-cells-that-restrain-asthmatic-responses
#3
Sofia Tousa, Maria Semitekolou, Ioannis Morianos, Aggelos Banos, Aikaterini I Trochoutsou, Tess M Brodie, Nikolaos Poulos, Konstantinos Samitas, Maria Kapasa, Dimitris Konstantopoulos, Giannis Paraskevopoulos, Mina Gaga, Catherine M Hawrylowicz, Federica Sallusto, Georgina Xanthou
Type 1 regulatory T (Tr1) cells play a pivotal role in restraining human T-cell responses toward environmental allergens and protecting against allergic diseases. Still, the precise molecular cues that underlie their transcriptional and functional specification remain elusive. Here, we show that the cytokine activin-A instructs the generation of CD4(+) T cells that express the Tr1-cell-associated molecules IL-10, inducible T-Cell costimulator (ICOS), lymphocyte activation gene 3 protein (LAG-3), and CD49b, and exert strongly suppressive functions toward allergic responses induced by naive and in vivo-primed human T helper 2 cells...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28317149/association-between-variants-in-genes-involved-in-the-immune-response-and-prostate-cancer-risk-in-men-randomized-to-the-finasteride-arm-in-the-prostate-cancer-prevention-trial
#4
Danyelle A Winchester, Cathee Till, Phyllis J Goodman, Catherine M Tangen, Regina M Santella, Teresa L Johnson-Pais, Robin J Leach, Jianfeng Xu, S Lilly Zheng, Ian M Thompson, M Scott Lucia, Scott M Lippman, Howard L Parnes, William B Isaacs, Angelo M De Marzo, Charles G Drake, Elizabeth A Platz
BACKGROUND: We reported that some, but not all single nucleotide polymorphisms (SNPs) in select immune response genes are associated with prostate cancer, but not individually with the prevalence of intraprostatic inflammation in the Prostate Cancer Prevention Trial (PCPT) placebo arm. Here, we investigated whether these same SNPs are associated with risk of lower- and higher-grade prostate cancer in men randomized to finasteride, and with prevalence of intraprostatic inflammation among controls...
March 20, 2017: Prostate
https://www.readbyqxmd.com/read/28316372/dyslipidemia-rather-than-type-2-diabetes-mellitus-or-chronic-periodontitis-affects-the-systemic-expression-of-pro-and-anti-inflammatory-genes
#5
Rafael Nepomuceno, Bárbara Scoralick Villela, Sâmia Cruz Tfaile Corbi, Alliny De Souza Bastos, Raquel Alves Dos Santos, Catarina Satie Takahashi, Silvana Regina Perez Orrico, Raquel Mantuaneli Scarel-Caminaga
A high percentage of type 2 diabetes mellitus (T2D) patients are also affected by dyslipidemia and chronic periodontitis (CP), but no studies have determined the gene expression in patients that are simultaneously affected by all three diseases. We investigated the systemic expression of immune-related genes in T2D, dyslipidemia, and CP patients. One hundred and fifty patients were separated into five groups containing 30 individuals each: (G1) poorly controlled T2D with dyslipidemia and CP; (G2) well-controlled T2D with dyslipidemia and CP; (G3) normoglycemic individuals with dyslipidemia and CP; (G4) healthy individuals with CP; (G5) systemic and periodontally healthy individuals...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28296743/association-between-polymorphisms-in-interleukins-and-oral-lichen-planus-a-meta-analysis
#6
Quan Shi, Tong Zhang, Na Huo, Yang Huang, Juan Xu, Hongchen Liu
BACKGROUND: More and more studies have suggested that single-nucleotide polymorphisms (SNPs) in interleukin (IL) genes are correlated with an increased risk of developing oral lichen planus (OLP). However, these results were inconsistent. Therefore, the aim of this meta-analysis is to retrieve and comprehensively analyze all related clinical studies to investigate the association of ILs gene polymorphisms with the OLP risk. METHODS: PubMed, Embase, and the Cochrane Library were searched for eligible studies to evaluate the association between IL polymorphisms and the OLP...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28295446/a-recombinant-cystatin-from-ascaris-lumbricoides-attenuates-inflammation-of-dss-induced-colitis
#7
Sandra Coronado, Luis Barrios, Josefina Zakzuk, Ronald Regino, Velky Ahumada, Luis Franco, Yanet Ocampo, Luis Caraballo
Helminthiasis may ameliorate inflammatory diseases, such as inflammatory bowel disease and asthma. Information about immunomodulators from Ascaris lumbricoides is scarce, but could be important considering the co-evolutionary relationships between helminths and humans. We evaluated the immunomodulatory effects of a recombinant cystatin from A. lumbricoides on an acute model of Dextran Sodium Sulphate (DSS)-induced colitis in mice. From an A. lumbricoides cDNA library we obtained a recombinant cystatin (rAl-CPI)...
March 10, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28293795/a-workflow-for-in-silico-design-of-hil-10-and-ebvil-10-inhibitors-using-well-known-miniprotein-scaffolds
#8
Salvador Dueñas, Sergio A Aguila, Genaro Pimienta
The over-expression of immune-suppressors such as IL-10 is a crucial landmark in both tumor progression, and latent viral and parasite infection. IL-10 is a multifunctional protein. Besides its immune-cell suppressive function, it also promotes B-cell tumorigenesis of lymphomas and melanoma. Human pathogens like unicellular parasites and viruses that remain latent inside B cells promote the over-expression of hIL-10 upon infection, which inhibits cell-mediated immune surveillance, and at the same time mediates B cell proliferation...
April 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28285561/adverse-parenting-is-associated-with-blunted-salivary-cortisol-awakening-response-and-altered-expression-of-glucocorticoid-receptor-%C3%AE-and-%C3%AE-2-adrenergic-receptor-mrnas-in-leukocytes-in-japanese-medical-students
#9
Tomoko Kawai, Yuki Kuwano, Kiyoshi Masuda, Kinuyo Fujita, Hiroki Tanaka, Tatsuya Nishikawa, Kazuhito Rokutan, Kensei Nishida
Adverse parenting is associated with an increased risk for the development of mood and behavioral disorders. In this study, we assessed the perceived parental bonding of 232 medical students using the parental bonding instrument (PBI) and extracted 22 students who reported their parents' rearing attitudes as affectionless control (LOW; low care, high overprotection). Using the 28-item general health questionnaire, the Zung self-rating depression scale (Zung-SDS), the hospital anxiety and depression scale (HADS), and the Spielberger state-trait-anxiety-inventory (STAI), physical and mental state of the LOW students were compared with those of 30 students who reported their parental bonding as optimal (OPT; high care and low overprotection)...
March 12, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28274152/restraint-stress-differentially-regulates-inflammation-and-glutamate-receptor-gene-expression-in-the-hippocampus-of-c57bl-6-and-balb-c-mice
#10
Monica Sathyanesan, Jacob M Haiar, Michael J Watt, Samuel S Newton
The inbred mouse strains, C57BL/6 and BALB/c have been used widely in preclinical psychiatric research. The differences in stress susceptibility of available strains has provided a useful platform to test pharmacological agents and behavioral responses. Previous brain gene profiling efforts have indicated that the inflammation and immune response gene pathway is the predominant gene network in the differential stress response of BALB/c and C57BL/6 mice. The implication is that a composite stress paradigm that includes a sequence of extended, varied and unpredictable stressors induces inflammation-related genes in the hippocampus...
March 8, 2017: Stress: the International Journal on the Biology of Stress
https://www.readbyqxmd.com/read/28270867/gene-expression-is-differentially-regulated-in-skeletal-muscle-and-circulating-immune-cells-in-response-to-an-acute-bout-of-high-load-strength-exercise
#11
Gyrd O Gjevestad, Håvard Hamarsland, Truls Raastad, Inger Ottestad, Jacob J Christensen, Kristin Eckardt, Christian A Drevon, Anne S Biong, Stine M Ulven, Kirsten B Holven
BACKGROUND: High-intensity exercise induces many metabolic responses. In is unknown whether the response in the peripheral blood mononuclear cells (PBMCs) reflects the response in skeletal muscle and whether mRNA expression after exercise can be modulated by nutritional intake. The aims were to (i) investigate the effect of dairy proteins on acute responses to exercise in skeletal muscle and PBMCs measuring gene expression and (ii) compare this response in young and older subjects. METHODS: We performed two separate studies in young (20-40 years) and older subjects (≥70 years)...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28270815/lanthionine-synthetase-c-like-2-modulates-immune-responses-to-influenza-virus-infection
#12
Andrew Leber, Josep Bassaganya-Riera, Nuria Tubau-Juni, Victoria Zoccoli-Rodriguez, Pinyi Lu, Victoria Godfrey, Shiv Kale, Raquel Hontecillas
Broad-based, host-targeted therapeutics have the potential to ameliorate viral infections without inducing antiviral resistance. We identified lanthionine synthetase C-like 2 (LANCL2) as a new therapeutic target for immunoinflammatory diseases. To examine the therapeutic efficacy of oral NSC61610 administration on influenza, we infected C57BL/6 mice with influenza A H1N1pdm virus and evaluated influenza-related mortality, lung inflammatory profiles, and pulmonary histopathology. Oral treatment with NSC61610 ameliorates influenza virus infection by down-modulating pulmonary inflammation through the downregulation of TNF-α and MCP-1 and reduction in the infiltration of neutrophils...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28268030/influence-of-il1b-il6-and-il10-gene-variants-and-plasma-fatty-acid-interaction-on-metabolic-syndrome-risk-in-a-cross-sectional-population-based-study
#13
Marina Maintinguer Norde, Erica Oki, Antonio Augusto Ferreira Carioca, Nágila Raquel Teixeira Damasceno, Regina Mara Fisberg, Dirce Maria Lobo Marchioni, Marcelo Macedo Rogero
BACKGROUND & AIMS: Metabolic syndrome (MetS) is a cluster of interrelated risk factors for type 2 diabetes mellitus, and cardiovascular disease, with underlying inflammatory pathophysiology. Genetic variations and diet are well-known risk factor for MetS, but the interaction between these two factors is less explored. The aim of the study was to evaluate the influence of interaction between SNP of inflammatory genes (encoding interleukin (IL)-6, IL-1β and IL-10) and plasma fatty acids on the odds of MetS, in a population-based cross-sectional study...
February 17, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28267044/mutations-in-interleukin-10-receptor-and-clinical-phenotypes-in-patients-with-very-early-onset-inflammatory-bowel-disease-a-chinese-veo-ibd-collaboration-group-survey
#14
Zhiheng Huang, Kaiyue Peng, Xiaoqin Li, Ruiqin Zhao, Jieyu You, Xiuyong Cheng, Zhaoxia Wang, Ying Wang, Bingbing Wu, Huijun Wang, Huasong Zeng, Zhuowen Yu, Cuifang Zheng, Yuesheng Wang, Ying Huang
BACKGROUND: Interleukin-10 (IL10) signaling plays an important role in the pathogenesis of very early onset inflammatory bowel disease (VEO-IBD) in children. However, little is known about the role of the IL10 axis in children with VEO-IBD in China. METHODS: The Chinese VEO-IBD Collaboration Group was created to collect clinical and genetic data from patients deficient in IL10 and the IL10 receptor. High-throughput sequencing was performed to identify mutations in these genes...
April 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28266114/interaction-of-lifestyle-behaviour-or-systemic-diseases-with-dental-caries-and-periodontal-diseases-consensus-report-of-group-2-of-the-joint-efp-orca-workshop-on-the-boundaries-between-caries-and-periodontal-diseases
#15
Iain L C Chapple, Philippe Bouchard, Maria Grazia Cagetti, Guglielmo Campus, Maria-Clotilde Carra, Fabio Cocco, Luigi Nibali, Philippe Hujoel, Marja L Laine, Peter Lingstrom, David J Manton, Eduardo Montero, Nigel Pitts, Hélène Rangé, Nadine Schlueter, Wim Teughels, Svante Twetman, Cor Van Loveren, Fridus Van der Weijden, Alexandre R Vieira, Andreas G Schulte
Periodontal diseases and dental caries are the most common diseases of humans and the main cause of tooth loss. Both diseases can lead to nutritional compromise and negative impacts upon self-esteem and quality of life. As complex chronic diseases, they share common risk factors, such as a requirement for a pathogenic plaque biofilm, yet they exhibit distinct pathophysiologies. Multiple exposures contribute to their causal pathways, and susceptibility involves risk factors that are inherited (e.g. genetic variants), and those that are acquired (e...
March 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28263971/egfr-mediated-macrophage-activation-promotes-colitis-associated-tumorigenesis
#16
D M Hardbower, L A Coburn, M Asim, K Singh, J C Sierra, D P Barry, A P Gobert, M B Piazuelo, M K Washington, K T Wilson
Epidermal growth factor receptor (EGFR) signaling is a known mediator of colorectal carcinogenesis. Studies have focused on the role of EGFR signaling in epithelial cells, although the exact nature of the role of EGFR in colorectal carcinogenesis remains a topic of debate. Here, we present evidence that EGFR signaling in myeloid cells, specifically macrophages, is critical for colon tumorigenesis in the azoxymethane-dextran sodium sulfate (AOM-DSS) model of colitis-associated carcinogenesis (CAC). In a human tissue microarray, colonic macrophages demonstrated robust EGFR activation in the pre-cancerous stages of colitis and dysplasia...
March 6, 2017: Oncogene
https://www.readbyqxmd.com/read/28263776/polymorphisms-in-il10-may-alter-cd4-t-cell-counts-in-indonesian-hiv-patients-beginning-antiretroviral-therapy
#17
Deane Maria Dmello, Ibnu Ariyanto, Riwanti Estiasari, Samuel Halstrom, Jessica Gaff, Silvia Lee, Patricia Price
Interleukin 10 (IL-10) is a potent anti-inflammatory cytokine influenced by single nucleotide polymorphisms (SNP) located in upstream regulatory regions. Here we address the effects of five SNP (rs1518111, rs3021094, rs3024491, rs1800872 and rs1800871) on CD4 T-cell counts in Indonesian HIV patients assessed before ART and over 12months on treatment. Heterozygosity at rs1518111 or rs1800872 associated with low CD4 T-cell counts at all time points. Both alleles were carried in two haplotypes. Haplotype 21122 (present in 30% of participants) associated with low CD4 T-cell counts, whereas 21222 (in 6% of participants) did not...
March 2, 2017: Human Immunology
https://www.readbyqxmd.com/read/28262614/protective-effect-of-aster-tataricus-extract-on-retinal-damage-on-the-virtue-of-its-antioxidant-and-anti-inflammatory-effect-in-diabetic-rat
#18
Hao Du, Meng Zhang, Kejun Yao, Zhitao Hu
Effect of Aster tataricus (AT) was estimated on the retinal injury in diabetic rats by its antioxidant and anti-inflammatory activity. Streptozotocin (STZ) was used to induce diabetes at a dose of 60mg/kg, i.p. and blood glucose was estimated to confirm the diabetic rats. All the animals were separated in to 5 different groups (n=10) such as control, diabetic retinopathy (DR) receives saline solution, and AT treated group receives AT (100, 200 and 400mg/kg) for the duration of 8 week. After treatment protocol period blood glucose and HbA1c% was estimated in the blood sample of diabetic rats...
March 2, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28258715/human-macrophages-chronically-exposed-to-lps-can-be-reactivated-by-stimulation-with-mdp-to-acquire-an-antimicrobial-phenotype
#19
Silvia Guzmán-Beltrán, Martha Torres, Monserrat Arellano, Esmeralda Juárez
Macrophages are important in host defense and can differentiate into functionally distinct subsets named classically (M1) or alternatively (M2) activated. In several inflammatory disorders, macrophages become tolerized to prevent deleterious consequences. This tolerization reduces the ability of macrophages to respond to bacterial components (e.g., LPS) maintaining a low level of inflammation but compromising the ability of macrophages to mount an effective immune response during subsequent pathogen encounters...
February 21, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28257625/association-of-il-10-gene-polymorphisms-and-susceptibility-to-juvenile-idiopathic-arthritis-in-egyptian-children-and-adolescents-a-case-control-study
#20
Manar M Fathy, Hosam F Elsaadany, Yasser F Ali, Mohsen A A Farghaly, Mohammed E Hamed, Hany E Ibrahim, Maha A Noah, Mayy A N Allah, Shaimaa S A Elashkar, Nasser I Abdelsalam, Hind M Abdelrahman, Ahmed R Ahmed, Heba G Anany, Sanaa M Ismail, Boshra R Ibrahim, Nashwa M Al Azizi, Heba H Gawish, Ghada M Al-Akad, Rehab M Nabil, Dalia S Fahmy, Salah F Alsayed
BACKGROUND: Juvenile Idiopathic Arthritis (JIA) is the most common chronic arthritis in children worldwide. Among anti-inflammatory cytokines, interleukin-10 (IL-10) is a key immunosuppressive cytokine involved in the pathogenesis of JIA. To date, only a few studies concerned the association of interleukin-10 gene polymorphisms with JIA. In this study, we aimed to investigate 3 cytokine single-nucleotide polymorphisms situated at positions -1082(G/A), -819(C/T), and -592(C/A) in the promoter region of the IL-10 gene to determine whether this polymorphism could be a marker of susceptibility to JIA in Egyptian children and adolescents...
January 17, 2017: Italian Journal of Pediatrics
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