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https://www.readbyqxmd.com/read/29332315/comparison-of-treatment-strategies-for-femoro-popliteal-disease-a-network-meta-analysis
#1
Edward Koifman, Michael J Lipinski, Kyle Buchanan, Won Yu Kang, Ricardo O Escarcega, Ron Waksman, Nelson L Bernardo
OBJECTIVES: We sought to compare treatment strategies in a Bayesian network meta-analysis of randomized controlled trials. BACKGROUND: Peripheral artery disease (PAD) is a prevalent morbidity that is treated with various strategies. METHODS: We performed a MEDLINE search for randomized studies comparing at least 2 treatment strategies, including bypass surgery, percutaneous transluminal angioplasty (PTA) balloons, stents, covered stents, drug-eluting stents (DES), and drug-coated balloons (DCB), in patients with native femoro-popliteal disease...
January 14, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29331341/effects-of-the-gut-liver-axis-on-ischemia-mediated-hepatocellular-carcinoma-recurrence-in-the-mouse-liver
#2
Lorenzo A Orci, Stéphanie Lacotte, Vaihere Delaune, Florence Slits, Graziano Oldani, Vladimir Lazarevic, Carlo Rossetti, Laura Rubbia-Brandt, Philippe Morel, Christian Toso
BACKGROUND & AIMS: There is growing evidence that liver graft ischemia-reperfusion (I/R) is a risk factor for hepatocellular carcinoma (HCC) recurrence, but the involved mechanisms are unclear. Here, we tested the hypothesis that mesenteric congestion due to portal blood flow interruption induces endotoxin-mediated Toll-Like Receptor 4 (Tlr4) engagement, resulting in elevated liver cancer burden. We also assessed the role of remote ischemic preconditioning (RIPC) in this context. METHODS: C57Bl/6j mice were exposed to standardized models of liver I/R injury and RIPC, by occluding hepatic and femoral blood vessels...
January 10, 2018: Journal of Hepatology
https://www.readbyqxmd.com/read/29330632/inate-immunity-in-rosacea-langerhans-cells-plasmacytoid-dentritic-cells-toll-like-receptors-and-inducible-oxide-nitric-synthase-inos-expression-in-skin-specimens-case-control-study
#3
Ana Karina Alves Moura, Fernanda Guedes, Maria Cecília Rivitti-Machado, Mirian N Sotto
Rosacea is a chronic inflammatory condition with predominant facial involvement. Because of that, many patients sense that rosacea affects quality of life. The etiology of rosacea remains unknown. Recent studies have suggested that aberrant innate immunity is central to this disease. The aim of this study was to examine the presence of Langerhans cells, plasmacytoid dentritic cells (PDC), the expression of Toll-like receptors (TLR) and inducible oxide nitric synthase (iNOS) in skin of patients with rosacea, to highlight the participation of innate immunity in its pathogenesis...
January 12, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29330321/osteopontin-promotes-protective-antigenic-tolerance-against-experimental-allergic-airway-disease
#4
Themis Alissafi, Evangelia Kourepini, Davina C M Simoes, Nikolaos Paschalidis, Maria Aggelakopoulou, Tim Sparwasser, Louis Boon, Hamida Hammad, Bart N Lambrecht, Vily Panoutsakopoulou
In the context of inflammation, osteopontin (Opn) is known to promote effector responses, facilitating a proinflammatory environment; however, its role during antigenic tolerance induction is unknown. Using a mouse model of asthma, we investigated the role of Opn during antigenic tolerance induction and its effects on associated regulatory cellular populations prior to disease initiation. Our experiments demonstrate that Opn drives protective antigenic tolerance by inducing accumulation of IFN-β-producing plasmacytoid dendritic cells, as well as regulatory T cells, in mediastinal lymph nodes...
January 12, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29325699/co-delivery-of-tumor-antigen-and-dual-toll-like-receptor-ligands-into-dendritic-cell-by-silicon-microparticle-enables-efficient-immunotherapy-against-melanoma
#5
Motao Zhu, Xilai Ding, Ruifang Zhao, Xuewu Liu, Haifa Shen, Chunmei Cai, Mauro Ferrari, Helen Y Wang, Rong-Fu Wang
Despite the importance and promise of cancer vaccines for broader prevention and treatment of cancer, limited clinical responses are observed, suggesting that key rational designs are required for inducing potent immune responses against cancer. Here we report a mesoporous silicon vector (MSV) as a multi-functional microparticle for formulating an efficient cancer vaccine composed of B16 melanoma derived-tyrosinase related protein 2 (TRP2) peptide and dual toll-like receptor (TLR) agonists. We demonstrated that MSV microparticles protected the peptide from rapid degradation for prolonged antigen presentation to immune cells...
January 8, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29324261/platelet-toll-like-receptor-and-its-ligand-hmgb-1-expression-is-increased-in-the-left-atrium-of-atrial-fibrillation-patients
#6
Kadri Murat Gurses, Duygu Kocyigit, Muhammed Ulvi Yalcin, Hande Canpinar, Banu Evranos, Ugur Canpolat, Hikmet Yorgun, Levent Sahiner, Dicle Guc, Kudret Aytemir
BACKGROUND: Atrial fibrillation(AF) is the most common sustained arrhythmia. Its most feared sequelae are stroke and peripheral thromboembolism due to atrial thrombi formation. Mechanisms underlying the relationship between platelet activation and left atrial thrombi have not been clearly elucidated yet. We aimed to investigate whether immune-mediated platelet activation occurred in AF patients in this cross-sectional study. METHODS: Persistent and paroxysmal AF patients who underwent cryoballoon-based AF ablation between March 2015 and July 2016 were included as the patient group...
January 8, 2018: Cytokine
https://www.readbyqxmd.com/read/29321652/innate-ifn-%C3%AE-ameliorates-experimental-autoimmune-encephalomyelitis-and-promotes-myeloid-expansion-and-pdl-1-expression
#7
Madeleine P J White, Gill Webster, Faith Leonard, Anne Camille La Flamme
The innate immune system plays a central role in the immune-mediated pathology of multiple sclerosis, and is a therapeutic target for progressive disease. Recently, it has been demonstrated that MIS416, a novel immunomodulatory microparticle that activates NOD-2 and TLR-9-signaling, has disease-modifying activity in multiple sclerosis models. This activity is dependent on innate IFN-γ; however, the precise immune regulatory mechanisms amplified by MIS416 have not previously been determined. Using the experimental autoimmune encephalomyelitis model, MIS416 treatment was associated with IFN-γ-dependant expansion of Treg number and increased suppressive function; however, these cells did not account for disease reduction...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320990/correlation-between-polymorphisms-in-toll-like-receptor-genes-and-the-activity-of-hepatitis-b-virus-among-treatment-na%C3%A3-ve-patients-a-case-control-study-in-a-han-chinese-population
#8
Yong Lin, Zheng-Xiang Gao, Xu Shen, Mei-Jun Chen, Yan-Ting Li, Shu-Lian Li, Hui-Ling Lin, Qi-Feng Zhao, Fan Liu, Jian-Jun Niu
BACKGROUND: Because of the high prevalence and absence of cure for infection, chronic hepatitis B virus (HBV) infection has been acknowledged as a pressing public health issue. Toll-like receptors (TLRs) activate the human innate immune system and the polymorphisms in TLRs may alter their function. The present study aimed to investigate the association between TLR polymorphisms and disease progression of chronic HBV infection. METHODS: During the study period, 211 treatment-naïve patients with chronic HBV infection were recruited, and blood samples were collected from each individual...
January 10, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29313809/parp1-facilitates-ep300-recruitment-to-the-promoters-of-the-subset-of-rbl2-dependent-genes
#9
Agnieszka Robaszkiewicz, Ewelina Wiśnik, Zsolt Regdon, Kinga Chmielewska, László Virág
Differentiation of human monocytes is associated with proliferation arrest resulting from activation of the inter alia retinoblastoma protein family of gene repressors, which target gene promoters in an E2F-dependent manner. To investigate RBL2 contribution to defining monocyte phenotype and function, we used primer libraries. We identified genes encoding two surface receptors (CXCR1 and IL17RE) and two TLR signaling mediators (CD86 and NFKB2) that are repressed by the RBL2-E2F4-HDAC1-BRM complex. Surprisingly, PARP1 co-regulated 24 out of the 28 identified genes controlled by RBL2...
December 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29312832/lipid-raft-localization-of-tlr2-and-its-co-receptors-is-independent-of-membrane-lipid-composition
#10
Christine Hellwing, Axel Schoeniger, Claudia Roessler, Anja Leimert, Julia Schumann
Background: Toll like receptors (TLRs) are an important and evolutionary conserved class of pattern recognition receptors associated with innate immunity. The recognition of Gram-positive cell wall constituents strongly depends on TLR2. In order to be functional, TLR2 predominantly forms a heterodimer with TLR1 or TLR6 within specialized membrane microdomains, the lipid rafts. The membrane lipid composition and the physicochemical properties of lipid rafts are subject to modification by exogenous fatty acids...
2018: PeerJ
https://www.readbyqxmd.com/read/29310515/persons-with-chronic-spinal-cord-injury-have-decreased-nk-cell-and-increased-tlr-inflammatory-gene-expression
#11
Paige Herman, Adam B Stein, Katie Gibbs, Ilya Korsunsky, Peter Gregersen, Ona Bloom
Infections are the leading cause of death for individuals with traumatic spinal cord injury (SCI). Along with increased infection rates, inflammation is often also observed in persons with chronic SCI. Together, immunological changes after SCI are also poised to impede neurological recovery and to mediate common medical consequences of SCI, including atherogenesis and neuropathic pain. The molecular mechanisms contributing to increased infection susceptibility and inflammation in persons living with SCI are poorly understood...
January 8, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29306849/verbal-learning-and-memory-outcome-in-selective-amygdalohippocampectomy-versus-temporal-lobe-resection-in-patients-with-hippocampal-sclerosis
#12
Mette Thrane Foged, Kirsten Vinter, Louise Stauning, Troels W Kjær, Brice Ozenne, Sándor Beniczky, Olaf B Paulson, Flemming Find Madsen, Lars H Pinborg
PURPOSE: With the advent of new very selective techniques like thermal laser ablation to treat drug-resistant focal epilepsy, the controversy of resection size in relation to seizure outcome versus cognitive deficits has gained new relevance. The purpose of this study was to test the influence of the selective amygdalohippocampectomy (SAH) versus nonselective temporal lobe resection (TLR) on seizure outcome and cognition in patients with mesial temporal lobe epilepsy (MTLE) and histopathological verified hippocampal sclerosis (HS)...
January 4, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29306151/enhancement-of-immune-response-of-piglets-to-pcv-2-vaccine-by-porcine-il-2-and-fusion-il-4-6-gene-entrapped-in-chitosan-nanoparticles
#13
Yi Chen, Tingyu Song, Yong-Le Xiao, Xiaoping Wan, Luyi Yang, Jinghai Li, Guangzhi Zeng, Pengfei Fang, Ze-Zhou Wang, Rong Gao
In order to develop a novel effective immunomodulator to enhance pig resistance against post-weaning multi systemic wasting syndrome (PMWS), a recombinant plasmid co-expressing pig interleukin-2 (IL-2) and fusion interleukin-4/6 (IL-4/6) genes, designated VRIL4/6-2, was constructed and encapsulated in chitosan (CS) nanoparticles prepared by the ionotropic gelation method. Then 21-day old piglets were divided into two groups and intramuscularly injected respectively with VPIL4/6-2-CS and saline along with the porcine circovirus-2 (PCV-2) vaccine...
December 29, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29305991/the-various-components-implied-the-diversified-toll-like-receptor-tlr-signaling-pathway-in-mollusk-chlamys-farreri
#14
Mengqiang Wang, Lingling Wang, Zhihao Jia, Qilin Yi, Linsheng Song
Toll-like receptor (TLR) signaling pathway, composed of various components, plays pivotal roles in host innate immune defense mechanism. In the present study, twenty-nine TLR signaling pathway components, including receptors, adaptors, transduction molecules and immune effectors, were identified in Zhikong scallop Chlamys farreri via assembling and screening public available transcriptomic data and expression sequence tags (ESTs). These identified TLR signaling pathway components were constitutively expressed and detectable in various tissues, and almost all of them were highly expressed in gill and hepatopancreas...
January 3, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29305335/identification-and-functional-characterization-of-toll-like-receptor-13-from-orange-spotted-grouper-epinephelus-coioides
#15
Yaosi Liang, Xu Ding, Xue Yu, Yu Wang, Ying Zhou, Jianan He, Yu Shi, Yong Zhang, Haoran Lin, Danqi Lu
Toll-like receptors (TLRs) are one of the most important innate immune receptors, which recognize various pathogen-associated molecular patterns from different pathogens and activate the downstream immune response. Mouse TLR13 has been found to recognize a highly conserved sequence from bacterial or viral RNA and activate the myeloid differentiation primary response gene 88-dependent signaling response. The function of teleost tlr13 is still not fully understood, especially its relationship with bacterial RNA...
January 2, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29305334/cgnrdp1-a-conserved-negative-regulating-factor-of-myd88-dependent-toll-like-receptor-signaling-in-oyster-crassostrea-gigas
#16
Rui Sun, Limei Qiu, Qilin Yi, Mengqiang Wang, Feng Yue, Lingling Wang, Linsheng Song
Toll like receptor (TLR) signaling cascades are under precise regulations to ensure the proper immune responses during various pathogen invasions. The neuregulin receptor degradation protein-1 (Nrdp1) has been demonstrated to be a novel negative regulator of TLR signaling by targeting MyD88 to degradation in mammals. In the present study, an Nrdp1 homologue, CgNrdp1, was identified from the genome of pacific oyster Crassostrea gigas. It contained an open reading frame encoding a polypeptide of 315 amino acids which shared high identities with other homologues from different species...
January 2, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29303613/cellular-differentiation-of-non-transformed-intestinal-epithelial-cells-is-regulated-by-lactobacillus-rhamnosus-and-l-casei-strains
#17
J Kolinska, M Zakostelecka, Z Zemanova, V Lisa, J Golias, H Kozakova, B Dvorak
The aim of this study was to characterize an in vitro modulating effect of three commensal Lactobacillus strains on cellular differentiation of non-transformed crypt-like rat small intestinal cell line IEC-18. IEC-18 was grown on extracellular matrix (ECM), with or without presence of Lactobacillus strains. Gene expression of IEC-18 bacterial detection system - such as Toll-like receptors TLR-2, TLR-4, signal adapter MyD88, cytoplasmic NOD2 receptor, inflammatory cytokines IL-18, IL-1beta, chemokine IL-8 and enzyme caspase-1 - was evaluated using real-time PCR...
January 5, 2018: Physiological Research
https://www.readbyqxmd.com/read/29301276/rosiglitazone-as-a-modulator-of-tlr4-and-tlr3-signaling-pathways-in-rat-primary-neurons-and-astrocytes
#18
Dmitry V Chistyakov, Nadezda V Azbukina, Alexandr V Lopachev, Ksenia N Kulichenkova, Alina A Astakhova, Marina G Sergeeva
An antidiabetic drug of the thiazolidinedione class, rosiglitazone (RG) demonstrates anti-inflammatory properties in various brain pathologies. The mechanism of RG action in brain cells is not fully known. To unravel mechanisms of RG modulation of toll-like receptor (TLR) signaling pathways, we compare primary rat neuron and astrocyte cultures stimulated with the TLR4 agonist lipopolysaccharide (LPS) and the TLR3 agonist poly I:C (PIC). Both TLR agonists induced tumor necrosis factor (TNFα) release in astrocytes, but not in neurons...
January 2, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29300166/a-systematic-review-of-zika-virus-hurdles-toward-vaccine-development-and-the-way-forward
#19
Azizul Haque, Faruk Berat Akçeşme, Anudeep B Pant
The Zika virus (ZIKV) epidemic has recently emerged as public health threat due to its teratogenic nature and association with the serious neurological condition Guillain-Barré syndrome (GBS). To date, no approved antiviral therapeutics or vaccines are available to confront ZIKV. In order to develop effective anti-ZIKV vaccines, improved animal models and a better understanding of immunological correlates of protection against ZIKV are required. In this paper, we discuss the recent progress in developing vaccines against ZIKV and the hurdles to overcome in making efficacious anti-Zika vaccines...
January 4, 2018: Antiviral Therapy
https://www.readbyqxmd.com/read/29295842/unopposed-il-18-signaling-leads-to-severe-tlr9-induced-macrophage-activation-syndrome-in-mice
#20
Charlotte Girard-Guyonvarc'h, Jennifer Palomo, Praxedis Martin, Emiliana Rodriguez, Sabina Troccaz, Gaby Palmer, Cem Gabay
The term macrophage activation syndrome (MAS) defines a severe, potentially fatal disorder characterized by overwhelming inflammation and multiorgan involvement. Interleukin (IL)-18 is a pro-inflammatory cytokine belonging to the IL-1 family, the activity of which is regulated by its endogenous inhibitor IL-18 binding protein (IL-18BP). Elevated IL-18 levels have been reported in patients with MAS. Herein we show that upon repeated toll-like receptor (TLR)9 stimulation with CpG, IL-18BP-/- mice display severe MAS manifestations, including increased weight loss, splenomegaly, anemia, thrombocytopenia, hyperferritinemia and bone marrow hemophagocytosis as compared to wild-type mice...
January 2, 2018: Blood
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