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toll like receptor 11

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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
#1
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...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28321710/association-between-tlr9-rs5743836-polymorphism-and-risk-of-recurrent-venous-thromboembolism
#2
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
#3
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
#4
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
#5
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-hemopoietic-progenitors-is-altered-in-allergic-asthma
#6
Damian Tworek, Delia Heroux, Seamus N O'Byrne, Patrick Mitchell, Paul M O'Byrne, Judah A Denburg
BACKGROUND: Hemopoietic 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 anti-microbial 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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28157391/microbes-associate-with-host-innate-immune-response-in-idiopathic-pulmonary-fibrosis
#12
Yong Huang, Shwu-Fan Ma, Milena S Espindola, Rekha Vij, Justin M Oldham, Gary B Huffnagle, John R Erb-Downward, Kevin R Flaherty, Beth B Moore, Eric S White, Tong Zhou, Jianrong Li, Yves A Lussier, MeiLan K Han, Naftali Kaminski, Joe G N Garcia, Cory M Hogaboam, Fernando J Martinez, Imre Noth
RATIONALE: Differences in the lung microbial community influence idiopathic pulmonary fibrosis (IPF) progression. Whether the lung microbiome influences IPF host defense remains unknown. OBJECTIVES: To explore the host immune response and microbial interaction in IPF, as they relate to progression-free survival (PFS), fibroblast function, and leukocyte phenotypes. METHODS: Paired microarray gene expression data from peripheral blood mononuclear cells (PBMCs) and 16s rRNA sequencing data from bronchoalveolar lavage (BAL) obtained as part of the COMET-IPF study were used to conduct association pathway analyses...
February 3, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28143777/a-novel-taqmama-assay-for-allelic-discrimination-of-tlr9-rs352140-polymorphism
#13
Massimiliano Bergallo, Paola Montanari, Katia Mareschi, Marco Rassu, Ilaria Galliano, Paolo Ravanini
TaqMAMA is an allele-specific PCR-based (ASPCR) method that may be suitable for broad and cost-effective genotyping applications in all types of laboratories. There is evidence that interactions between some toll like receptors (TLRs) with viruses influence both the immune response and outcome of HCMV infection. We developed a TaqMAMA genotyping assay for the detection of rs352140 TLR9 polymorphism in transplant recipients with and without HCMV infections. Performance parameters to ensure a solid pre-validation protocol have been here argued...
May 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28139755/genetically-determined-high-activity-of-il-12-and-il-18-in-ulcerative-colitis-and-tlr5-in-crohns-disease-were-associated-with-non-response-to-anti-tnf-therapy
#14
S Bank, P S Andersen, J Burisch, N Pedersen, S Roug, J Galsgaard, S Y Turino, J B Brodersen, S Rashid, B K Rasmussen, S Avlund, T B Olesen, H J Hoffmann, B A Nexø, J Sode, U Vogel, V Andersen
Anti-tumour necrosis factor-α (TNF-α) is used for treatment of severe cases of inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC). However, one-third of the patients do not respond to the treatment. A recent study indicated that genetically determined high activity of pro-inflammatory cytokines, including interleukin-1β (IL-1β), IL-6 and interferon gamma (IFN-γ), are associated with non-response to anti-TNF therapy. Using a candidate gene approach, 21 functional single-nucleotide polymorphisms (SNPs) in 14 genes in the Toll-like receptors, the inflammasome and the IFNG pathways were assessed in 482 and 256 prior anti-TNF naïve Danish patients with CD and UC, respectively...
January 31, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28114604/topical-imiquimod-plus-nab-paclitaxel-for-breast-cancer-cutaneous-metastases-a-phase-2-clinical-trial
#15
Lupe G Salazar, Hailing Lu, Jessica L Reichow, Jennifer S Childs, Andrew L Coveler, Doreen M Higgins, James Waisman, Kimberly H Allison, Yushe Dang, Mary L Disis
Importance: Salvage chemotherapy for recurrent chest wall lesions in breast cancer results in response rates of 20% to 30%. Preclinical studies showed significant disease regression could be induced in murine chest wall mammary cancers with a topical toll-like receptor (TLR)-7 agonist, imiquimod. Objective: To evaluate the safety and objective response rate (ORR) of imiquimod in combination with systemic albumin bound paclitaxel in treatment-refractory breast cancer of the chest wall...
January 19, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28109721/inflammasome-priming-in-sterile-inflammatory-disease
#16
REVIEW
Meghana N Patel, Richard G Carroll, Silvia Galván-Peña, Evanna L Mills, Robin Olden, Martha Triantafilou, Amaya I Wolf, Clare E Bryant, Kathy Triantafilou, Seth L Masters
The inflammasome is a cytoplasmic protein complex that processes interleukins (IL)-1β and IL-18, and drives a form of cell death known as pyroptosis. Oligomerization of this complex is actually the second step of activation, and a priming step must occur first. This involves transcriptional upregulation of pro-IL-1β, inflammasome sensor NLRP3, or the non-canonical inflammasome sensor caspase-11. An additional aspect of priming is the post-translational modification of particular inflammasome constituents...
January 18, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/28049238/the-curves-exercise-suppresses-endotoxemia-in-korean-women-with-obesity
#17
Seon Ah Jin, Sun Kyeong Kim, Hee Jung Seo, Mijoo Kim, Kye Taek Ahn, Jun Hyung Kim, Jae Hyeong Park, Jae Hwan Lee, Si Wan Choi, Jin Ok Jeong
Obesity and metabolic syndrome is a worldwide pandemic and associated with high cardiovascular risk. Metabolic endotoxemia (ME) is thought to be an underlying molecular mechanism. It triggers toll-like receptor 4-mediated inflammatory adipokines and causes a chronic low grade inflammatory status, which results in cardiovascular risk increase. Exercise is the best nonpharmacological treatment to improve prognosis. In this study, we examined the circulating endotoxin level in Korean obese women and investigated effects of exercise on it...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28036266/combining-vasculature-disrupting-agent-and-toll-like-receptor-7-8-agonist-for-cancer-therapy
#18
Anushree Seth, Hyunseung Lee, Mi Young Cho, Cheongsoo Park, Sovannarith Korm, Joo-Yong Lee, Inpyo Choi, Yong Taik Lim, Kwan Soo Hong
This study evaluates the effect of combination of two different treatment regimens for solid tumor therapy: vasculature targeting agent and immune-stimulation. Poly lactide-co-glycolide (PLGA) nanoparticles were synthesized for intracellular delivery of toll-like receptor (TLR) 7/8 agonist-gardiquimod. Spherical and mono-disperse gardiquimod encapsulated PLGA nanoparticles (Gardi-PLGA), approximately 194 nm in size were formulated. Gardi-PLGA induced immune-stimulation, and vasculature disrupting agent (VDA)-5,6-Dimethylxanthenone-4-acetic acid (DMXAA) was used in combination to assessing the influence on bone marrow derived dendritic cells (BMDCs) and B16-F10 melanoma cells...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28028951/increased-expression-of-tlr4-and-tlr7-but-not-prolactin-mrna-by-peripheral-blood-monocytes-in-active-celiac-disease
#19
Iva Brynychova, Iva Hoffmanova, Milos Dvorak, Pavlina Dankova
BACKGROUND: Celiac disease (CD) is an organ-specific autoimmune disease, and both adaptive and innate immunity are involved in its development. OBJECTIVES: The aim of the study was to determine whether the markers of intestinal mucosal inflammation in CD can be detected in peripheral blood monocytes (PBMs), and whether the immune properties of PBMs change as the clinical signs and symptoms of CD improve after the introduction of a gluten-free diet (GFD). The focus was on changes in mRNA expression of selected toll-like receptors (TLR2, TLR4, TLR7), stress cytokine prolactin (PRL), and proand anti-inflammatory cytokines (TNF-α, IL-6, IL-12, IL-10) in PBMs...
September 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/27997923/the-role-of-hmgb1-in-pial-arteriole-dilating-reactivity-following-subarachnoid-hemorrhage-in-rats
#20
Haoliang Xu, Benjarat Changyaleket, Tibor Valyi-Nagy, Randal O Dull, Dale A Pelligrino, David E Schwartz, Zhao Zhong Chong
High-mobility group box 1 protein (HMGB1) has been implicated in inflammatory responses, and is also associated with cerebral vasospasm after subarachnoid hemorrhage (SAH). However, there are no direct evident links between HMGB1 and cerebral vasospasm. We therefore investigated the effects of HMGB1 on pial arteriole reactivity following SAH in rats. We initially found that SAH induced a significant decrease in pial arteriole dilating responses to sciatic nerve stimulation (SNS), hypercapnia (CO2), and the topical suffusion of acetylcholine (ACh), adenosine (ADO), and s-nitroso-N-acetylpenicillamine (SNAP) over a 7-day period after SAH...
2016: Journal of Vascular Research
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