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https://www.readbyqxmd.com/read/28726298/faah-but-not-magl-inhibition-modulates-acute-tlr3-induced-neuroimmune-signaling-in-the-rat-independent-of-sex
#1
Lisa E Flannery, Rebecca J Henry, Daniel M Kerr, David P Finn, Michelle Roche
Toll-like receptor (TLR)3 is a key component of the innate immune response to viral infection. The present study firstly examined whether sex differences exist in TLR3-induced inflammatory, endocrine, and sickness responses. The data revealed that TLR3-induced expression of interferon- or NFkB-inducible genes (IFN-α/β, IP-10, or TNF-α), either peripherally (spleen) or centrally (hypothalamus), did not differ between male and female rats, with the exception of TLR3-induced IFN-α expression in the spleen of female, but not male, rats 8 hr post TLR3 activation...
July 20, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28726115/the-impact-of-coronary-calcification-on-angiographic-and-3-year-clinical-outcomes-of-everolimus-eluting-stents-results-of-a-xience-v-promus-post-marketing-surveillance-study
#2
Nobuo Shiode, Ken Kozuma, Jiro Aoki, Masaki Awata, Mamoru Nanasato, Kengo Tanabe, Junichi Yamaguchi, Hajime Kusano, Hong Nie, Takeshi Kimura
Coronary calcification (CCA) is one of the independent predictors for major adverse cardiac events (MACEs) in coronary intervention. Post-marketing surveillance study Japan is a prospective registry designed to evaluate the safety and efficacy of the everolimus-eluting stent (EES, XIENCE V/PROMUS Stent) in routine clinical practice at 47 centers. In this study, 1848 lesions (1546 patients) were assessed using quantitative coronary angiography. In these 1546 patients, renal function data were unknown in 26 patients...
July 19, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28725012/phycocyanin-attenuates-pulmonary-fibrosis-via-the-tlr2-myd88-nf-%C3%AE%C2%BAb-signaling-pathway
#3
Chengcheng Li, Yan Yu, Wenjun Li, Bo Liu, Xudong Jiao, Xinyu Song, Changjun Lv, Song Qin
Our aim was to investigate the effects of phycocyanin (PC) on bleomycin (BLM)-induced pulmonary fibrosis (PF). In this study, C57 BL/6 wild-type (WT) mice and toll-like receptor (TLR) 2 deficient mice were treated with PC for 28 days following BLM exposure. Serum and lung tissues were collected on days 3, 7 and 28. Data shows PC significantly decreased the levels of hydroxyproline (HYP), vimentin, surfactant-associated protein C (SP-C), fibroblast specific protein-1 (S100A4) and α-smooth muscle actin (α-SMA) but dramatically increased E-cadherin and podoplanin (PDPN) expression on day 28...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28723271/development-of-three-orthogonal-assays-suitable-for-the-identification-and-qualification-of-pikfyve-inhibitors
#4
Kylie Fogarty, Mohammed Kashem, Andras Bauer, Alexandra Bernardino, Debra Brennan, Brian Cook, Neil Farrow, Teresa Molinaro, Richard Nelson
FYVE-type zinc finger-containing phosphoinositide kinase (PIKfyve) catalyzes the formation of phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2) from phosphatidylinositol 3-phosphate (PI(3)P). PIKfyve has been implicated in multiple cellular processes, and its role in the regulation of toll-like receptor (TLR) pathways and the production of proinflammatory cytokines has sparked interest in developing small-molecule PIKfyve inhibitors as potential therapeutics to treat autoimmune and inflammatory diseases. We developed three orthogonal assays to identify and qualify small-molecule inhibitors of PIKfyve: (1) a purified component microfluidic enzyme assay that measures the conversion of fluorescently labeled PI(3)P to PI(3,5)P2 by purified recombinant full-length human 6His-PIKfyve (rPIKfyve); (2) an intracellular protein stabilization assay using the kinase domain of PIKfyve expressed in HEK293 cells; and (3) a cell-based functional assay that measures the production of interleukin (IL)-12p70 in human peripheral blood mononuclear cells stimulated with TLR agonists lipopolysaccharide and R848...
July 2017: Assay and Drug Development Technologies
https://www.readbyqxmd.com/read/28717003/surface-toll-like-receptor-3-expression-in-metastatic-intestinal-epithelial-cells-induces-inflammatory-cytokine-production-and-promotes-invasiveness
#5
Marit Bugge, Bjarte Bergstrom, Oda Kamilla Eide, Helene Solli, Ingrid F Kjønstad, Jørgen Stenvik, Terje Espevik, Nadra J Nilsen
Toll-like receptors (TLR)s are innate immune receptors for sensing microbial molecules and damage-associated molecular patterns released from host cells. Double-stranded RNA and the synthetic analog polyinosinic:polycytidylic acid (Poly(I:C)) bind and activate TLR3. This stimulation leads to recruitment of the adaptor molecule TRIF and activation of the transcription factors nuclear factor κB (NF-κB) and interferon regulatory factor 3 (IRF-3), classically inducing IFNβ production. Here, we report that unlike non-metastatic intestinal epithelial cells (IECs), metastatic IECs express TLR3, and that TLR3 promotes invasiveness of these cells...
July 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28716464/modulating-effects-of-omega-3-fatty-acids-and-pioglitazone-combination-on-insulin-resistance-through-toll-like-receptor-4-in-type-2-diabetes-mellitus
#6
Salma M Eraky, Noha Abdel-Rahman, Laila A Eissa
Toll-like receptor 4 (TLR-4) plays important roles in innate immunity. Changes in the reduction-oxidation balance of tissues can lead to a pro-inflammatory state and insulin resistance. An action thought to be mediated by TLRs. Omega-3 fatty acids and Peroxisome Proliferator Activated Receptor gamma (PPAR-γ) agonists as pioglitazone are used for decreasing inflammation. The aim of this study is to investigate the anti-diabetic effects of combining omega -3 fatty acid with pioglitazone on type 2 diabetes, and the modifying effects on TLR-4...
June 17, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28716008/does-infection-with-human-immunodeficiency-virus-have-any-impact-on-the-cardiovascular-outcomes-following-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis
#7
Pravesh Kumar Bundhun, Manish Pursun, Wei-Qiang Huang
BACKGROUND: A direct link between human immunodeficiency virus (HIV)-infected patients and the risk of cardiovascular diseases (CVD) has been shown in recent scientific research. However, this issue is controversial since other previous reports showed no apparent impact of HIV or its anti-retroviral drugs on the cardiovascular system. We aimed to systematically compare the postinterventional adverse cardiovascular outcomes which were observed in patients with and without HIV infection during a mean follow up period ranging from 1 year to 3 years...
July 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28713897/expression-of-irak%C3%A2-3-is-associated-with-colitis%C3%A2-associated-tumorigenesis-in-mice
#8
Dingting Xu, Hanyun Zhang, Xiaoying Wang, Yan Chen
Interleukin‑1 receptor‑associated kinase‑3 (IRAK‑3) is a negative regulator in Toll‑like receptor (TLR) pathways. The present study investigated the importance of IRAK‑3 in a mouse model of chemically‑induced colitis‑associated tumorigenesis. The colitis‑associated tumorigenesis was induced in ICR mice by the administration of 1,2‑dimethyl hydrazine (DMH) and dextran sodium sulfate (DSS), termed the DMH + DSS group. In the DSS group, mice were administered with DSS; in the DMH group, mice were injected with DMH; in the control group, mice were injected with physiological saline...
July 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28712455/the-properties-of-the-unique-age-associated-b-cell-subset-reveal-a-shift-in-strategy-of-immune-response-with-age
#9
Susan L Swain, Olivia Kugler-Umana, Yi Kuang, Wenliang Zhang
In aged mice, conventional naive B cells decrease and a new population of age-associated B cells (ABC)(3) develops. When aged unprimed mice are infected with influenza virus, there is a reduced generation of helper CD4 T cell subsets and germinal center B cells, leading to limited production of IgG Ab and less generation of conventional long-lived plasma cells, compared to young. However, we find an enhanced non-follicular (GL7(-)) ABC response that is helper T cell-independent, but requires high viral dose and pathogen recognition pathways...
July 11, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28711715/novel-peptide-motifs-from-lysozyme-suppress-pro-inflammatory-cytokines-in-macrophages-by-antagonizing-toll-like-receptor-and-lps-scavenging-action
#10
Hisham R Ibrahim, Kosuke Hamasaki, Takeshi Miyata
Lysozyme is commonly found in spots where bacterial infections are most likely to enter the body. Earlier we found that lysozyme possesses five antimicrobial peptide motifs in its N-terminal region which can be generated by newborn pepsin. In this study, we explore the role of these peptides in the anti-inflammatory activity of lysozyme. The five peptides, helix1 (H1), helix2 (H2), H1 and H2 connected with a loop (HLH), H2 extended with either 2 β-strands (H2-S12) or 3 β-strands (H2-S13), were synthesized and examined for anti-inflammatory action...
July 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28709399/draft-sequencing-and-assembly-of-the-genome-of-the-world-s-largest-fish-the-whale-shark-rhincodon-typus-smith-1828
#11
Timothy D Read, Robert A Petit, Sandeep J Joseph, Md Tauqeer Alam, M Ryan Weil, Maida Ahmad, Ravila Bhimani, Jocelyn S Vuong, Chad P Haase, D Harry Webb, Milton Tan, Alistair D M Dove
BACKGROUND: The whale shark (Rhincodon typus) has by far the largest body size of any elasmobranch (shark or ray) species. Therefore, it is also the largest extant species of the paraphyletic assemblage commonly referred to as fishes. As both a phenotypic extreme and a member of the group Chondrichthyes - the sister group to the remaining gnathostomes, which includes all tetrapods and therefore also humans - its genome is of substantial comparative interest. Whale sharks are also listed as an endangered species on the International Union for Conservation of Nature's Red List of threatened species and are of growing popularity as both a target of ecotourism and as a charismatic conservation ambassador for the pelagic ecosystem...
July 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28707423/a-universal-drug-delivery-catheter-for-the-treatment-of-infrapopliteal-arterial-disease-results-from-the-multi-center-first-in-human-study
#12
Frank Bunch, Craig Walker, Elias Kassab, Jeffrey Carr
OBJECTIVE: The objective of this study was to assess the feasibility, safety and initial efficacy of paclitaxel administration using a novel drug delivery catheter for the prevention of restenosis in infrapopliteal de novo and restenotic lesions. BACKGROUND: Restenosis continues to be a great challenge after percutaneous revascularization procedures for peripheral arterial disease, particularly for below-the-knee applications. METHODS: A prospective, multicenter first-in-human registry of a novel delivery catheter delivering liquid paclitaxel was conducted in 10 patients...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28707375/clinical-outcomes-with-reservoir-based-polymer-free-amphilimus-eluting-stents-in-real-world-patients-according-to-diabetes-mellitus-and-complexity-the-investig8-registry
#13
Gennaro Sardella, Pieter Stella, Mauro Chiarito, Antonio M Leone, Vruyr Balian, Franco Prosperi, Giovanni Sorropago, Massimo Mancone, Simone Calcagno, Carlo Briguori, Giulio G Stefanini
BACKGROUND: Patients with diabetes mellitus (DM) remain at higher risk of restenosis after percutaneous coronary intervention despite the use of contemporary drug-eluting stents. The Cre8 amphilimus-eluting stent (AES) has shown promising results in DM patients. Whether this holds true irrespective of patient's clinical and angiographic complexity is unknown. METHODS: Five hundred and ninety five consecutive patients (738 lesions) undergoing AES implantation were included in the INVESTIG8 multicenter registry...
July 14, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28701868/protective-effect-of-korean-red-ginseng-against-fk506-induced-damage-in-llc-pk1-cells
#14
Dahae Lee, Ki Sung Kang, Jae Sik Yu, Jung-Yoon Woo, Gwi Seo Hwang, Dae-Woon Eom, Seung-Hoon Baek, Hye Lim Lee, Ki Hyun Kim, Noriko Yamabe
BACKGROUND: Compound FK506 is an immunosuppressant agent that is frequently used to prevent rejection of solid organs upon transplant. However, nephrotoxicity due to apoptosis and inflammatory response mediated by FK506 limit its usefulness. In this study, the protective effect of Korean Red Ginseng (KRG) against FK506-induced damage in LLC-PK1 pig kidney epithelial cells was investigated. METHODS: LLC-PK1 cells were exposed to FK506 with KRG and cell viability was measured...
July 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28701256/toll-like-receptor-expression-patterns-in-the-rat-uterus-during-post-partum-involution
#15
Emel Alan, Narin Liman
Toll-like receptors (TLRs) belong to a family of pathogen recognition receptors and play critical roles in detecting and responding to invading pathogens. TLR expression could be significant because, in the uterus, the reproductive tract is an important site of exposure to and infection by pathogens during the post partum involution period. To clarify the expression and localisation patterns of TLRs in the rat uterus on Days 1, 3, 5 and 10 post partum (PP1, PP3, PP5 and PP10 respectively), immunohistochemistry and western blotting were used to analyse TLR1-7, TLR9 and TLR10...
July 13, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28698128/genome-wide-identification-characterization-and-expression-analyses-of-tlrs-in-yesso-scallop-patinopecten-yessoensis-provide-insight-into-the-disparity-of-responses-to-acidifying-exposure-in-bivalves
#16
Qiang Xing, Huan Liao, Xiaogang Xun, Jing Wang, Zhengrui Zhang, Zujing Yang, Xiaoting Huang, Zhenmin Bao
Toll-like receptors (TLRs) play a crucial role in innate immunity by recognizing specific pathogen-associated molecular patterns, including lipoproteins, lipopeptides, lipopolysaccharide, flagellin, dsRNA, ssRNA and CpG DNA motifs. Although significant effects of TLRs on immunity have been reported in most vertebrates and some invertebrates, the complete TLR superfamily has not been systematically characterized in scallops. In this study, 18 TLR genes were identified from Yesso scallop (Patinopecten yessoensis) using whole-genome scanning...
July 8, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28698123/identification-molecular-evolution-of-toll-like-receptors-in-a-tibetan-schizothoracine-fish-gymnocypris-eckloni-and-their-expression-profiles-in-response-to-acute-hypoxia
#17
Delin Qi, Mingzhe Xia, Yan Chao, Yongli Zhao, Rongrong Wu
Hypoxia plays an important role in regulating a variety of physiological responses as well as in pathological situations, but to date the roles of Toll-like receptors (TLRs) in fish in response to hypoxia are still poorly understood. Here, we sequenced the transcriptome of G. eckloni and identified the members of TLR family by scanning transcriptome, and then investigated the expression profiles of a complete set of TLRs in G. eckloni in response to acute hypoxia (4 h at DO = 0.3 ± 0.1 mg/L). The de novo-assembled transcriptome consisted of a total of 162,235 transcripts, further clustered into 110,231 unigenes...
July 8, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28697693/pivotal-study-of-a-next-generation-balloon-expandable-stent-graft-for-treatment-of-iliac-occlusive-disease
#18
Jean Bismuth, Bruce H Gray, Andrew Holden, Christopher Metzger, Jean Panneton
PURPOSE: To evaluate the safety and efficacy of a next-generation balloon-expandable stent-graft for the treatment of arterial occlusive disease in patients with de novo or restenotic lesions in the common and/or external iliac arteries. METHODS: A prospective, multicenter, single-arm safety and efficacy study ( ClinicalTrials.gov identifier: NCT02080871) of the VBX Stent Graft for treatment of de novo or restenotic lesions in the iliac arteries was conducted under an Investigational Device Exemption at 26 US sites and 1 New Zealand center...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28692144/toll-like-receptor-1-and-10-gene-polymorphisms-are-linked-to-post-bronchiolitis-asthma-in-adolescence
#19
Sari Törmänen, Matti Korppi, Eero Lauhkonen, Petri Koponen, Johanna Teräsjärvi, Juho Vuononvirta, Merja Helminen, Qiushui He, Kirsi Nuolivirta
AIM: Toll-like receptors (TLR) are innate immunity molecules and our previous studies found that TLR1 gene polymorphism was associated with post-bronchiolitis asthma at 1-6 years of age, as was TLR10 at 5-7 years of age. This study examined any associations at 11-13 years of age. METHODS: This prospective follow-up study was part of an on-going evaluation of children admitted to Tampere University Hospital Finland for bronchiolitis in 2001-2004 at less than six months of age...
July 10, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28687988/initial-and-late-efficacy-of-everolimus-eluting-stents-for-small-and-non-small-coronary-lesions-from-evaluating-delayed-late-loss-study
#20
Naoto Tama, Hiroyasu Uzui, Yuki Horita, Masanobu Namura, Hiroshi Tada
The aim of the present study was to evaluate the long-term outcomes at 2 years in patients in whom everolimus-eluting stents (EESs) were implanted in small and non-small vessels. A small vessel is an important risk factor for restenosis with BMSs, even in the first generation DESs. The 690 patients with 690 lesions implanted with an EES were enrolled and divided into two groups by vessel reference diameter (RD): >2.5 mm for non-small vessels (Non-S-group) and ≤2.5 mm for small vessels (S-group). Two years later, the 365 patients with no restenosis at 8 months who underwent angiography were enrolled into the late catch-up study...
July 7, 2017: Heart and Vessels
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