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toll like receptor 11

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https://www.readbyqxmd.com/read/28530841/the-increased-expression-of-toll-like-receptor-4-in-renal-and-skin-lesions-in-lupus-erythematosus
#1
Nesrine Elloumi, Raouia Fakhfakh, Lobna Ayadi, Khadija Sellami, Olfa Abida, Mariem Ben Jmaa, Tahya Sellami, Khawla Kammoun, Hatem Masmoudi
Toll-like receptor 4 (TLR-4), a bacterial lipopolysaccharide sensor, is an innate immunity essential modulator. It is expressed on both immune and non-immune cells and may contribute to the cutaneous and renal manifestations during lupus erythematosus (LE). Our purpose is to evaluate TLR-4 expression and analyzing its role in lupus nephritis (LN) and chronic cutaneous lupus erythematosus (CLE) pathogenesis. TLR-4 immunohistochemical staining was performed on 30 LN renal biopsies compared with 11 healthy renal tissues and 30 skin biopsies from CLE patients compared with 15 normal individuals...
May 1, 2017: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/28521851/regulation-of-interleukin-11-expression-in-ovulatory-follicles-of-the-rat-ovary
#2
You-Jee Jang, You-Jee Jang, Jae-Il Park, Jae-Il Park, Seong-Eun Jeong, Seong-Eun Jeong, You-Mi Seo, You-Mi Seo, Phuong T M Dam, Phuong T M Dam, Young-Woo Seo, Young-Woo Seo, Bum-Chae Choi, Bum-Chae Choi, Sang-Jin Song, Sang-Jin Song, Sang-Young Chun, Sang-Young Chun, Moon-Kyoung Cho, Moon-Kyoung Cho
The aim of the present study was to examine the regulation of interleukin (IL)-11 expression, as well as the role of IL-11, during ovulation in gonadotropin-primed immature rats. Injection of equine chorionic gonadotropin (eCG), followed by human CG (hCG) to induce superovulation stimulated expression of the Il11 gene in theca cells within 6h, as revealed by northern blot and in situ hybridisation analyses. Real-time reverse transcription-polymerase chain reaction analysis showed that the IL-11 receptor, α subunit gene was expressed in granulosa and theca cells and that injection of hCG had no effect on its expression...
May 19, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28501402/thiamine-supplementation-facilitates-thiamine-transporter-expression-in-the-rumen-epithelium-and-attenuates-high-grain-induced-inflammation-in-low-yielding-dairy-cows
#3
X H Pan, L Yang, Y Beckers, F G Xue, Z W Tang, L S Jiang, B H Xiong
An experiment was conducted to uncover the effects of increasing dietary grain levels on expression of thiamine transporters in ruminal epithelium, and to assess the protective effects of thiamine against high-grain-induced inflammation in dairy cows. Six rumen-fistulated, lactating Holstein dairy cows (627 ± 16.9 kg of body weight, 180 ± 6 d in milk; mean ± standard deviation) were randomly assigned to a replicated 3 × 3 Latin square design trial. Three treatments were control (20% dietary starch, dry matter basis), high-grain diet (HG, 33...
May 10, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28486793/inflammatory-bowel-disease-updates-on-molecular-targets-for-biologics
#4
REVIEW
Konstantinos H Katsanos, Konstantinos A Papadakis
Therapy for inflammatory bowel disease (IBD) has changed, with several new agents being evaluated. The era of anti-tumor necrosis factor (anti-TNF) antibody therapy saw remarkable progress in IBD therapy. Some patients, however, do not respond to anti-TNF treatment, or their response decreases over time. This phenomenon highlights the need to identify new molecular targets for therapy in IBD. The targets of new therapeutic molecules in IBD must aim to restore immune dysregulation by the inhibition of proinflammatory cytokines (TNF-α, interleukin [IL]-6, IL-13, IL-17, IL-18, and IL-21) and augmentation of the effect of anti-inflammatory cytokines (IL-10, IL-11, and transforming growth factor β) and to pursue new anti-inflammatory targets, such as regulatory T-cell therapy, Smad7 antisense, Janus-activated kinase inhibition, Toll-like receptor stimulation, leukocyte adhesion, and blockade of T-cell homing via integrins and mucosal addressin cellular adhesion molecule-1...
May 11, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28469145/investigation-of-cationicity-and-structure-of-pseudin-2-analogues-for-enhanced-bacterial-selectivity-and-anti-inflammatory-activity
#5
Dasom Jeon, Min-Cheol Jeong, Binu Jacob, Jeong Kyu Bang, Eun-Hee Kim, Chaejoon Cheong, In Duk Jung, Yoonkyung Park, Yangmee Kim
Pseudin-2 (Ps), isolated from the frog Pseudis paradoxa, exhibits potent antibacterial activity and cytotoxicity. To develop antimicrobial peptides with anti-inflammatory activity and low cytotoxicity, we designed Ps analogues with Lys substitutions, resulting in elevated amphipathic α-helical structure and cationicity. We further substituted Gly(11) with Pro (Ps-P analogues) to increase bacterial cell selectivity. Ps analogues retained antimicrobial activity and exhibited reduced cytotoxicity, whereas Ps-P analogues exhibited lower cytotoxicity and antimicrobial activity...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428828/bioinformatics-analysis-of-key-genes-and-latent-pathway-interactions-based-on-the-anaplastic-thyroid-carcinoma-gene-expression-profile
#6
Yun Huang, Yiming Tao, Xinying Li, Shi Chang, Bo Jiang, Feng Li, Zhi-Ming Wang
Anaplastic thyroid carcinoma (ATC) is an aggressive malignant disease in older adults with a high mortality rate. The present study aimed to examine several key genes and pathways, which are associated with ATC. The GSE33630 gene expression profile was downloaded from the Gene Expression Omnibus database, which included 11 ATC and 45 normal thyroid samples. The differentially expressed genes (DEGs) in ATC were identified using the Limma package in R. The Gene Ontology functions and Kyoto Encyclopedia of Genes and Genomes pathways of the selected DEGs were enriched using the Database for Annotation, Visualization and Integrated Discovery...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28385921/the-effects-of-physical-exercise-on-non-motor-symptoms-and-on-neuroimmune-rage-network-in-experimental-parkinsonism
#7
Sofia D Viana, Inês R Pita, Cristina Lemos, Daniel Rial, Patrícia Couceiro, Paulo Rodrigues-Santos, Francisco Caramelo, Félix Carvalho, Syed F Ali, Rui D Prediger, Carlos A Fontes Ribeiro, Frederico C Pereira
Parkinson's disease (PD) prodromic stages comprise neuropsychiatric perturbations that critically compromise patient's quality of life. These non-motor symptoms (NMS) are associated with exacerbated innate immunity, a hallmark of overt PD. Physical exercise (PE) has the potential to improve neuropsychiatric deficits and to modulate immune network including receptors for advanced glycation endproducts (RAGE) and Toll-like receptors (TLRs) in distinct pathological settings. Accordingly, the present study aimed to test the hypothesis that PE i) alleviates PD NMS and ii) modulates neuroimmune RAGE-network in experimental PD...
April 6, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28384159/3lps-binding-protein-and-its-interactions-with-p-gingivalis-lps-modulate-pro-inflammatory-response-and-toll-like-receptor-signaling-in-human-oral-keratinocytes
#8
Pei-Hui Ding, Richard P Darveau, Cun-Yu Wang, Lijian Jin
Lipopolysaccharide (LPS)-binding protein (LBP) as an acute-phase protein plays a crucial role in innate host response to bacterial challenge. Our previous study shows that LBP expression in human gingiva is associated with periodontal status. Porphyromonas gingivalis is a keystone periodontopathogen, and its LPS with lipid A structural heterogeneity critically accounts for periodontal pathogenesis. This study investigated the effects of LBP and its interactions with two featured isoforms of P. gingivalis LPS (tetra-acylated LPS1435/1449 and penta-acylated LPS1690) on the expression of pro-inflammatory cytokines in human oral keratinocytes (HOKs), and the involvement of Toll-like receptor (TLR) signaling...
2017: PloS One
https://www.readbyqxmd.com/read/28366783/intestinal-immune-responses-of-jian-carp-against-aeromonas-hydrophila-depressed-by-choline-deficiency-varied-change-patterns-of-mrna-levels-of-cytokines-tight-junction-proteins-and-related-signaling-molecules-among-three-intestinal-segments
#9
Pei Wu, Yang Liu, Wei-Dan Jiang, Jun Jiang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study aimed to investigate the effects of choline deficiency on intestinal inflammation of fish after Aeromonas hydrophila infection and the potential molecular mechanisms. Juvenile Jian carp (Cyprinus carpio var. Jian) were fed two diets containing choline at 165 (deficient group) and 607 mg/kg diet respectively for 65 days. Choline deficiency decreased intestinal lysozyme activity, C3 and IgM contents, increased acid phosphatase activity, downregulated mRNA levels of antimicrobial peptides [liver-expressed antimicrobial peptide (LEAP) 2A, LEAP-2B, hepcidin and defensin], cytokines [interleukin (IL) 6a, tumor necrosis factor α (TNF-α), interferon γ2b (IFN-γ2b), IL-6b and transforming growth factor β2 (TGF-β2) only in proximal intestine, IL-10 in mid and distal intestine], immune-related signaling molecules [Toll-like receptor 4 (TLR4), myeloid differentiation primary response 88 (MyD88), nuclear factor kappa B (NF-κB), inhibitor of NF-κB (IκB), Janus kinase 3 (JAK3), and signal transducers and activators of transcription 5 (STAT5)], tight junction proteins (claudin 3b, claudin 3c, claudin 11 and occludin), and mitogen-activated protein kinases p38 (p38(MAPK)) in proximal and distal intestine of juvenile Jian carp after A...
March 30, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28323577/mitigation-of-radiation-induced-epithelial-damage-by-the-tlr5-agonist-entolimod-in-a-mouse-model-of-fractionated-head-and-neck-irradiation
#10
Ilia A Toshkov, Anatoli S Gleiberman, Vadim L Mett, Alan D Hutson, Anurag K Singh, Andrei V Gudkov, Lyudmila G Burdelya
Radiation treatment of head and neck cancer frequently causes severe collateral damage to normal tissues including mouth mucosa, salivary glands and skin. This toxicity limits the radiation dose that can be delivered and affects the patient's quality of life. Previous studies in mice and nonhuman primates showed that entolimod, a toll-like receptor 5 (TLR5) agonist derived from bacterial flagellin, effectively reduced radiation damage to hematopoietic and gastrointestinal tissues in both total-body and local irradiation scenarios, with no protection of tumors...
May 2017: Radiation Research
https://www.readbyqxmd.com/read/28321710/association-between-tlr9-rs5743836-polymorphism-and-risk-of-recurrent-venous-thromboembolism
#11
Abrar Ahmad, Kristina Sundquist, Bengt Zöller, Peter J Svensson, Jan Sundquist, Ashfaque A Memon
Recent gene knockout studies on mice have shown the role of toll-like receptor 9 (TLR9) in resolution of venous thromboembolism (VTE) through sterile inflammation. However, the role of a putative functional TLR9 polymorphism (rs5743836) in risk assessment of VTE recurrence remains unknown. The aim of our study was to investigate the TLR9 rs5743836 polymorphism in VTE patients and its association with the risk of VTE recurrence. We analyzed TLR9 rs5743836 polymorphism in Malmö thrombophilia study patients; a prospective follow-up study of 1465 VTE patients by Taqman PCR...
March 20, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28316179/-effects-and-related-mechanism-of-angiotensin-1-7-on-toll-like-receptor-4-mediated-oxidative-stress-in-human-umbilical-vein-endothelial-cells
#12
W F Yan, J J Xue, H Y Yang, B Liang, Z M Yang
Objective: To explore the role and related mechanisms of angiotensin-(1-7)(Ang-(1-7)) on Toll-like receptor 4 (TLR4) mediated oxidized low-density lipoprotein(ox-LDL)-induced oxidative stress in human umbilical vein endothelial cells (HUVECs). Methods: HUVECs were cultured in vitro and divided into six groups: the control group (normal medium), the ox-LDL group(treated with 75 mg/L ox-LDL), the ox-LDL+ Ang-(1-7) group (1 μmol/L Ang-(1-7) pretreated for 30 minutes, then intervened with 75 mg/L ox-LDL), the ox-LDL+ Ang-(1-7)+ A-779 group(1 μmol/L A-779 (Mas receptor) pretreated for 30 minutes, 1 μmol/L Ang-(1-7) pretreated for 30 minutes, then intervened with 75 mg/L ox-LDL), the ox-LDL+ A-779 group (1 μmol/L A-779 pretreated for 30 minutes, then intervened with 75 mg/L ox-LDL), the ox-LDL+ HTA125 group (10 μg/L HTA125 (TLR4-blocking antibody) pretreated for 30 minutes, then intervened with 75 mg/L ox-LDL )...
March 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28288677/the-inflammatory-cytokine-effect-of-pam3csk4-tlr2-agonist-alone-or-in-combination-with-leishmania-infantum-antigen-on-ex-vivo-whole-blood-from-sick-and-resistant-dogs
#13
Pamela Martínez-Orellana, Paulina Quirola-Amores, Sara Montserrat-Sangrà, Laura Ordeix, Joan Llull, Alejandra Álvarez-Fernández, Laia Solano-Gallego
BACKGROUND: A wide spectrum of clinical manifestations and immune responses exist in canine L. infantum infection. Ibizan hounds are more "resistant" to disease than other dog breeds. Recognition of pathogen-associated molecule patterns by toll like receptors (TLRs) rapidly triggers a variety of anti-microbial immune responses through the induction of pro-inflammatory cytokines such as TNF-α and IL-6 which may play an important role in controlling Leishmania infection. The main objective of this study was to investigate and compare the effect of a TLR2 agonist (TLR2a) alone or in combination with L...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28258674/ibudilast-a-non%C3%A2-selective-phosphodiesterase-inhibitor-in-brain-disorders
#14
Joanna Schwenkgrub, Małgorzata Zaremba, Dagmara Mirowska-Guzel, Iwona Kurkowska-Jastrzębska
Ibudilast (IBD) is a non‑selective (3, 4, 10, 11) phosphodiesterase (PDE) inhibitor, used mainly as a bronchodilator for the treatment of bronchial asthma. PDE play a central role in cellular function (e.g. differentiation, synaptic plasticity and inflammatory response) by metabolizing cyclic nucleotides. The results from preclinical and clinical studies indicate that IBD has a broader range of action through suppression of pro‑inflammatory cytokines (IL‑6, IL‑1β, TNF‑α), toll‑like receptor 4 blockade (TLR‑4), inhibition of a macrophage migration inhibitory factor (MIF), up‑regulation the anti‑inflammatory cytokine (IL‑10), and promotion of neurotrophic factors (GDNF, NGF, NT‑4)...
March 2, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28252235/toll-like-receptor-induced-expression-of-epithelial-cytokine-receptors-on-haemopoietic-progenitors-is-altered-in-allergic-asthma
#15
D Tworek, D Heroux, S N O'Byrne, P Mitchell, P M O'Byrne, J A Denburg
BACKGROUND: Haemopoietic progenitor cells (HPC) migrate to sites of allergic inflammation where, upon stimulation with epithelial cytokines, they produce Th2 cytokines and differentiate into mature eosinophils and basophils. They also express Toll-like receptors (TLR) involved in antimicrobial responses. OBJECTIVE: The objective of this study was to compare TLR expression on peripheral blood HPC and TLR-induced responses, in particular changes in epithelial cytokine receptors, in healthy and asthmatic subjects at baseline and following allergen challenge...
March 1, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28246455/molecular-markers-for-resistance-against-infectious-diseases-of-economic-importance
#16
REVIEW
B M Prajapati, J P Gupta, D P Pandey, G A Parmar, J D Chaudhari
Huge livestock population of India is under threat by a large number of endemic infectious (bacterial, viral, and parasitic) diseases. These diseases are associated with high rates of morbidity and mortality, particularly in exotic and crossbred cattle. Beside morbidity and mortality, economic losses by these diseases occur through reduced fertility, production losses, etc. Some of the major infectious diseases which have great economic impact on Indian dairy industries are tuberculosis (TB), Johne's disease (JD), mastitis, tick and tick-borne diseases (TTBDs), foot and mouth disease, etc...
January 2017: Veterinary World
https://www.readbyqxmd.com/read/28241976/influence-of-toll-like-receptor-4-gene-variants-and-plasma-fatty-acid-profile-on-systemic-inflammation-a-population-based-cross-sectional-study
#17
Marina Maintinguer Norde, Erica Oki, Antonio A F Carioca, Inar A Castro, José M P Souza, Dirce M L Marchioni, Regina M Fisberg, Marcelo M Rogero
OBJECTIVE: The aim of this study was to investigate the interaction of toll-like receptor 4 (TLR4) gene single nucleotide polymorphism (SNP) and plasma fatty acid (FA) profile in modulating risk for systemic inflammation. METHODS: In all, 262 adult (19-59 y) participants of the Health Survey of São Paulo met the inclusion criteria. Anthropometric parameters, blood pressure, plasma inflammatory biomarker concentration, and fatty acid profile were measured and four SNPs of the TLR4 gene (rs4986790, rs4986791, rs11536889, and rs5030728) were genotyped...
March 2017: Nutrition
https://www.readbyqxmd.com/read/28220374/lipopolysaccharide-activates-toll-like-receptor-4-and-prevents-cardiac-fibroblast-to-myofibroblast-differentiation
#18
Samir Bolívar, Roxana Santana, Pedro Ayala, Rodolfo Landaeta, Pía Boza, Claudio Humeres, Raúl Vivar, Claudia Muñoz, Viviana Pardo, Samuel Fernandez, Renatto Anfossi, Guillermo Diaz-Araya
Bacterial lipopolysaccharide (LPS) is a known ligand of Toll-like receptor 4 (TLR4) which is expressed in cardiac fibroblasts (CF). Differentiation of CF to cardiac myofibroblasts (CMF) is induced by transforming growth factor-β1 (TGF-β1), increasing alpha-smooth muscle actin (α-SMA) expression. In endothelial cells, an antagonist effect between LPS-induced signaling and canonical TGF-β1 signaling was described; however, it has not been studied whether in CF and CMF the expression of α-SMA induced by TGF-β1 is antagonized by LPS and the mechanism involved...
February 20, 2017: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/28179884/cellular-signaling-pathways-in-insulin-resistance-systems-biology-analyses-of-microarray-dataset-reveals-new-drug-target-gene-signatures-of-type-2-diabetes-mellitus
#19
Syed Aun Muhammad, Waseem Raza, Thanh Nguyen, Baogang Bai, Xiaogang Wu, Jake Chen
Purpose: Type 2 diabetes mellitus (T2DM) is a chronic and metabolic disorder affecting large set of population of the world. To widen the scope of understanding of genetic causes of this disease, we performed interactive and toxicogenomic based systems biology study to find potential T2DM related genes after cDNA differential analysis. Methods: From the list of 50-differential expressed genes (p < 0.05), we found 9-T2DM related genes using extensive data mapping. In our constructed gene-network, T2DM-related differentially expressed seeder genes (9-genes) are found to interact with functionally related gene signatures (31-genes)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28178273/expression-of-hemoglobin-%C3%AE-and-%C3%AE-subunits-in-human-vaginal-epithelial-cells-and-their-functional-significance
#20
Debarchana Saha, Swanand Koli, Mandar Patgaonkar, Kudumula Venkata Rami Reddy
Hemoglobin (Hb) is a major protein involved in transport of oxygen (O2). It consists of Hb-α and Hb-β subunits, which are normally expressed by cells of erythroid lineage. However, till recently, it was not known whether non-erythroid cells like vaginal cells synthesize Hb and whether it has any functional significance. Therefore, we designed the following objectives: (1) to establish in-vitro culture system of human primary vaginal epithelial cells (hPVECs), (2) to determine whether Hb-α and Hb-β proteins are truly synthesized by hPVECs, (3) to evaluate the effect of LPS (lipopolysaccharide) on the expression of Hb-α and Hb-β proteins (4) to decipher the significance of the Hb-α and Hb-β expression in hPVECs and (5) to determine the molecular mechanism regulating the expression of Hb-α in hPVECs...
2017: PloS One
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