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https://www.readbyqxmd.com/read/28109059/maintaining-stability-of-the-rumen-ecosystem-is-associated-with-changes-of-microbial-composition-and-epithelial-tlr-signaling
#1
Hong Shen, Zhan Chen, Zanming Shen, Zhongyan Lu
We used the goat as a model to study the effects of rumen microbial composition and epithelial TLR signaling on maintaining rumen stability during exogenous butyrate interference. Six cannulated goats received a rapid intraruminal infusion of 0.1 mol/L potassium phosphate buffer with (BT, n = 3) or without (CO, n = 3) 0.3 g/kg·BW·day sodium butyrate for 28 days. The ruminal pH and the concentration of total SCFA were not affected by the interference. 16S rRNA gene amplicon sequencing revealed a change in microbial composition after the butyrate infusion...
January 21, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28108339/transcriptome-analysis-of-the-effect-of-polyunsaturated-fatty-acids-against-vibrio-vulnificus-infection-in-oreochromis-niloticus
#2
Chieh-Yu Pan, Yu-Hao Liu, Hong-Yi Gong, Jyh-Yih Chen
Vibrio vulnificus infection causes severe economic losses in Oreochromis niloticus aquaculture by inducing pro-inflammatory cytokines, that lead to inflammation and mortality. Omega-3 fatty acids, such as Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA), have been reported for their anti-inflammatory and antibacterial abilities in murine and zebrafish models. However, the anti-inflammatory and antibacterial functions of DHA and EPA in commercial aquaculture organisms such as Oreochromis niloticus remain unknown...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28105084/picroside-ii-protects-myocardium-from-ischemia-reperfusion-induced-injury-through-inhibition-of-the-inflammatory-response
#3
Jian-Zhe Li, Mei-Qing Xie, Dan Mo, Xiao-Fang Zhao, Shu-Yi Yu, Li-Juan Liu, Cheng Wu, Yang Yang
The inflammatory response is important in the pathogenesis of myocardial ischemia/reperfusion (I/R) injury. Picroside II, the primary active constituent of Picrorhizae, has been reported to protect the myocardium from I/R-induced injury, however, the exact mechanism underlying these protective effects remains unclear. The aim of the present study was to investigate the mechanism underlying the protective effects of picroside II on I/R-induced myocardial injury. Adult male Sprague-Dawley rats underwent 1 h left coronary artery occlusion followed by 3 h reperfusion...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28103754/systematic-review-and-meta-analysis-of-drug-eluting-balloon-and-stent-for-infrapopliteal-artery-revascularization
#4
Jianbin Zhang, Xiaojie Xu, Jie Kong, Rongwei Xu, Xueqiang Fan, Jie Chen, Xia Zheng, Bo Ma, Mingsheng Sun, Zhidong Ye, Peng Liu
BACKGROUND: Drug-eluting balloon (DEB) and drug-eluting stent (DES) have been proposed for the treatment of infrapopliteal artery disease. We performed a systematic review and meta-analysis of the current available studies investigating outcomes of DEB and DES in the treatment of infrapopliteal artery disease. METHODS: Multiple databases were systematically searched to identify studies investigating the outcomes of DEB and DES in the treatment of patients with infrapopliteal artery disease...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28096181/long-term-8-10%C3%A2-years-outcomes-after-biodegradable-polymer-coated-biolimus-eluting-stent-implantation
#5
Masanobu Ohya, Shunsuke Kubo, Akimune Kuwayama, Katsuya Miura, Takenobu Shimada, Hidewo Amano, Yusuke Hyodo, Suguru Otsuru, Seiji Habara, Takeshi Tada, Hiroyuki Tanaka, Yasushi Fuku, Harumi Katoh, Tsuyoshi Goto, Kazushige Kadota
OBJECTIVE: Efficacy and safety data on biodegradable polymer-coated biolimus-eluting stent (BP-BES) are currently limited to 5 years. We evaluated longer term (8-10 years) clinical and angiographic outcomes after BP-BES implantation. METHODS: Between 2005 and 2008, 243 patients (301 lesions) underwent BP-BES implantation. The primary clinical outcome measure was defined as any target lesion revascularisation (TLR). Absolute serial angiographic studies without any concomitant TLR within 2 years after the procedure were performed in 55 patients (65 lesions) at postprocedure, mid-term (within 1 year), late term (between 1 and 2 years) and very late term (beyond 2 years)...
January 17, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28094890/three-months-of-western-diet-induces-small-intestinal-mucosa-alteration-in-tlr-ko-mice
#6
Claudia Sardi, Patrizia Luchini, Andrea Emanuelli, Amedeo Giannoni, Elisa Martini, Lucia M Manara, Lucia Sfondrini, Marinos Kallikourdis, Michele Sommariva, Cristiano Rumio
Several studies support the role of Western-style diet (WD) in inflammatory bowel disease (IBD). Toll-like receptors/NOD-like receptors (TLRs/NLRs) are important to maintain a healthy epithelium as well as inducing inflammation. Given that dietary factors influence IBD development, that epithelial dysfunction is thought to be involved in initiating intestinal inflammation and that TLR-NLR are involved in maintenance of the functionality of intestinal epithelium as well as in regulating inflammation, we decided to examine the role of TLR signals in the triggering events that lead to alteration of the small intestinal epithelium associated to consumption of WD...
January 17, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28093541/association-of-toll-like-receptor-3-and-toll-like-receptor-9-single-nucleotide-polymorphisms-with-hepatitis-c-virus-infection-and-hepatic-fibrosis-in-egyptian-patients
#7
Rania A Zayed, Dalia Omran, Doha A Mokhtar, Zinab Zakaria, Sameera Ezzat, Mohamed A Soliman, Lamiaa Mobarak, Hossam El-Sweesy, Ghada Emam
Toll-like receptors (TLRs) are recognized as fundamental contributors to the immune system function against infections. Hepatitis C virus (HCV) infection represents a global health problem especially in Egypt having the highest HCV prevalence worldwide where HCV infection is a continuing epidemic. The aim of the present study was to investigate the possible association between genetic variation in TLR-3 and TLR-9 and HCV infection and hepatic fibrosis in chronic HCV-positive Egyptian patients. The present study included 100 naïve chronic HCV-positive patients and 100 age- and sex-matched healthy controls...
January 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28088700/chlorogenic-acid-ameliorated-concanavalin-a-induced-hepatitis-by-suppression-of-toll-like-receptor-4-signaling-in-mice
#8
Yinglin Yuan, Xia Gong, Li Zhang, Rong Jiang, Junxia Yang, Bin Wang, Jingyuan Wan
Chlorogenic acid (CGA), one of the most abundant dietary polyphenolic compounds, has been reported to exhibit anti-inflammatory ability. However, the hepatoprotective effects and molecular mechanisms of CGA on concanavalin A (Con A)-induced hepatitis have not been explored. In the present study, we found that pretreatment with CGA dose-dependently inhibited the elevation of plasma aminotransferases and alleviated hepatic pathological damage as well as hepatocyte apoptosis in Con A-exposed mice. Additionally, CGA markedly suppressed the production of serum tumor necrosis factor (TNF)-α and interferon (IFN)-γ, alleviated the infiltration of hepatic macrophages, neutrophils, and activated CD4(+) T lymphocytes in Con A-primed mice...
January 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28088611/lactobacillus-paracasei-modulates-lps-induced-inflammatory-cytokine-release-by-monocyte-macrophages-via-the-up-regulation-of-negative-regulators-of-nf-kappab-signaling-in-a-tlr2-dependent-manner
#9
Ke-Yi Sun, Dong-Hua Xu, Chao Xie, Susan Plummer, James Tang, Xiao Fan Yang, Xiao Hui Ji
The application of the probiotic lactobacillus is suggested in the treatment of some inflammatory diseases of intestines due to its potential ability to attenuate inflammation. However, the mechanism is not completely understood. In PBMCs, Lactobacillus paracasei (L. Paracasei) down-regulated the LPS-induced production of TNF-α and IL-6. Using a macrophage-like differentiated THP-1 cell line induced by PMA, we investigated the effect of L. paracasei on the production of pro-inflammatory cytokines by monocyte-macrophages...
January 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28069499/precise-manipulation-of-biophysical-particle-parameters-enables-control-of-proinflammatory-cytokine-production-in-presence-of-tlr-3-and-4-ligands
#10
Yoshinori Kakizawa, Jung Seok Lee, Brendan Bell, Tarek M Fahmy
: The biophysical parameters governing nanoparticle (NP)-cell interactions significantly affect biological responses, particularly in the application of NP-based immunotherapeutics. Modulation of the surface biophysical character of NPs can be achieved via introduction of amino acids, which offer the ability to fine tune a range of biophysical parameters of interest. We employed this approach using monodisperse silica NPs coated with numerous poly(amino acid)s (PAAs). The NPs were incubated with dendritic cells (DCs) in conjunction with TLR ligands and production of IL-1β from DCs and IFNγ from T cells primed by these DCs were measured...
January 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28062186/protective-effects-of-atorvastatin-against-morphine-induced-tolerance-and-dependence-in-mice
#11
Nasim Sadat Pajohanfar, Ehsan Mohebbi, Abolfazl Rad, Akbar Pejhan, Samad Nazemi, Bahareh Amin
[Background] In this study, we evaluated the effects of atorvastatin, a lipid-lowering medication on morphine-induced tolerance and dependence in mice. [Methods] Tolerance was induced by subcutaneous administration of morphine (20 mg/kg) to animals, twice a day for 9 days. Atorvastatin was given at the doses of 5, 10 and 20 mg/kg, 30 min before each morphine administration, once daily for 9 days. Hot plate test was employed to assess antinociceptive effect of morphine on days 1, 3, 5, 7 and 9. Dependence was evaluated by naloxone-precipitated withdrawal syndrome...
January 3, 2017: Brain Research
https://www.readbyqxmd.com/read/28062139/efficacy-and-safety-of-everolimus-and-zotarolimus-eluting-stents-versus-first-generation-drug-eluting-stents-in-patients-with-diabetes-a-meta-analysis-of-randomized-trials
#12
Chirag Bavishi, Usman Baber, Sadik Panwar, Stefania Pirrotta, George D Dangas, Pedro Moreno, Jacqueline Tamis-Holland, Annapoorna S Kini, Samin K Sharma
INTRODUCTION: Patients with diabetes and coronary artery disease remain at high risk for adverse cardiovascular events after percutaneous coronary intervention. The efficacy and safety of the various drug-eluting stents (DES) in patients with diabetes is unclear. METHODS: Randomized controlled trials comparing first-generation DES [paclitaxel-eluting stents (PES) and sirolimus-eluting stents (SES)] with everolimus-eluting stents (EES) and zotarolimus-eluting stents (ZES) in diabetic patients were systematically searched...
December 27, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/28061462/identifying-genetic-hypomethylation-and-upregulation-of-toll-like-receptors-in-kawasaki-disease
#13
Ying-Hsien Huang, Sung-Chou Li, Lien-Hung Huang, Pao-Chun Chen, Yi-Yu Lin, Chiung-Chun Lin, Ho-Chang Kuo
Kawasaki disease (KD) is an acute febrile systemic vasculitis that occurs in children and is characterized by elevated levels of proinflammatory cytokines. Toll-like receptors (TLRs) serve as the sensor arm of the innate immune system and induce proinflammatory cytokine expressions.We recruited a total of 18 paired KD patients, before intravenous immunoglobulin (IVIG) and at least 3 weeks after IVIG treatment, 18 healthy controls, and 18 febrile controls. For TLR genes and their cytosine-phosphate-guanine (CpG) markers, we used Affymetrix GeneChip® Human Transcriptome Array 2...
January 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28057018/bioinformatic-analysis-of-microrna-and-mrna-regulation-in-peripheral-blood-mononuclear-cells-of-patients-with-chronic-obstructive-pulmonary-disease
#14
Xiaomin Dang, Xiaoyan Qu, Weijia Wang, Chongbing Liao, Ying Li, Xiaojin Zhang, Dan Xu, Carolyn J Baglole, Dong Shang, Ying Chang
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a progressive, irreversible chronic inflammatory disorder typified by increased recruitment of monocytes, lymphocytes and neutrophils. Because of this, as well as the convenience of peripheral blood nuclear cells (PBMCs) assessments, miRNA profiling of PBMCs has drawn increasing attention in recent years for various disease. Therefore, we analyzed miRNA and mRNA profiles to understand their regulatory network between COPD subjects versus smokers without airflow limitation...
January 5, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28056810/porphyromonas-gingivalis-activates-nf%C3%AE%C2%BAb-and-mapk-pathways-in-human-oral-epithelial-cells
#15
Sabine Groeger, Fabian Jarzina, Eugen Domann, Joerg Meyle
BACKGROUND: The bacterial biofilm at the gingival margin induces a host immune reaction. In this local inflammation epithelial cells defend the host against bacterial challenge. Porphyromonas gingivalis (P. gingivalis), a keystone pathogen, infects epithelial cells. The aim of this study was to investigate the activation of signaling cascades in primary epithelial cells and oral cancer cell lines by a profiler PCR array. RESULTS: After infection with P. gingivalis membranes the RNA of 16 to 33 of 84 key genes involved in the antibacterial immune response was up-regulated, amongst them were IKBKB (NF-κB signaling pathway), IRF5 (TLR signaling) and JUN, MAP2K4, MAPK14 and MAPK8 (MAPK pathway) in SCC-25 cells and IKBKB, IRF5, JUN, MAP2K4, MAPK14 and MAPK8 in PHGK...
January 5, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28052997/human-three-dimensional-endometrial-epithelial-cell-model-to-study-host-interactions-with-vaginal-bacteria-and-neisseria-gonorrhoeae
#16
Paweł Łaniewski, Adriana Gomez, Geoffrey Hire, Magdalene So, Melissa M Herbst-Kralovetz
Colonization of the endometrium by pathogenic bacteria, ascending from the lower female reproductive tract (FRT), is associated with many gynecologic and obstetric health complications. To study these host-microbe interactions in vitro, we developed a human three-dimensional (3-D) endometrial epithelial cell (EEC) model using the HEC-1A cell line and rotating wall vessel (RWV) bioreactor technology. Our model, composed of 3-D EEC aggregates, recapitulates several functional/structural characteristics of human endometrial epithelial tissue including cell differentiation, junctional complexes/desmosomes, microvilli, membrane-associated mucins and Toll-like receptors (TLRs)...
January 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28052863/double-stranded-rna-up-regulates-the-expression-of-inflammatory-mediators-in-human-aortic-valve-cells-through-the-tlr3-trif-non-canonical-nf-%C3%AE%C2%BAb-pathway
#17
Qiong Zhan, Rui Song, Fei Li, Lihua Ao, Qingchun Zeng, Dingli Xu, David A Fullerton, Xianzhong Meng
BACKGROUND: Calcific aortic valve disease (CAVD) is a chronic inflammatory condition and the inflammatory responses of aortic valve interstitial cells (AVICs) play a critical role in the disease progression. Double-stranded RNA (dsRNA) released from damaged or stressed cells is pro-inflammatory and may contribute to the mechanism of chronic inflammation observed in diseased aortic valves. The objective of this study is to determine the effect of dsRNA on AVIC inflammatory responses and the underlying mechanism...
January 4, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28046022/association-of-tlr3-l412f-polymorphism-with-cytomegalovirus-infection-in-children
#18
Mirosława Studzińska, Agnieszka Jabłońska, Małgorzata Wiśniewska-Ligier, Dorota Nowakowska, Zuzanna Gaj, Zbigniew J Leśnikowski, Teresa Woźniakowska-Gęsicka, Jan Wilczyński, Edyta Paradowska
Intracellular Toll-like receptor 3 (TLR3) recognizes viral double-stranded RNA (dsRNA) and activates antiviral immune responses through the production of type I interferons (IFNs) and inflammatory cytokines. This receptor binds to dsRNA molecules produced during human cytomegalovirus (HCMV) replication. TLR7 senses viral single-stranded RNA (ssRNA) in endosomes, and it can interact with endogenous RNAs. We determined the genotype distribution of single-nucleotide polymorphisms (SNPs) within the TLR3 and TLR7 genes in children with HCMV infection and the relationship between TLR polymorphisms and viral infection...
2017: PloS One
https://www.readbyqxmd.com/read/28045410/clinical-and-angiographic-outcomes-at-more-than-1-year-after-treatment-of-chronic-total-occlusions-with-the-everolimus-eluting-bioresorbable-vascular-scaffold
#19
Aylin Hatice Yamaç, Abdülkadir Yıldız, Meherrem Nasifov, Ahmet Taştan, Nemat Bashirov, Ömer Göktekin
OBJECTIVE: Treatment of chronic total occlusion (CTO) with everolimus-eluting bioresorbable vascular scaffold (BVS) is safe and effective at short-term follow-up (FU). The current study investigated clinical and angiographic outcomes after treatment of CTO with BVS at >1 year. METHODS: Thirty patients who underwent successful recanalization of 35 CTOs were included in this study. Quantitative coronary angiography (QCA) was performed at median FU period of 402 days...
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28044379/the-lack-of-natural-processes-of-delivery-and-neonatal-intensive-care-treatment-lead-to-impaired-cytokine-responses-later-in-life
#20
Maria-Viola Martikainen, Leea Keski-Nisula, Hermina Jakupović, Anne M Karvonen, Juha Pekkanen, Maija-Riitta Hirvonen, Marjut Roponen
PROBLEM: Birth-related factors and neonatal treatments could affect the maturation of immune system and thus have lasting effects on immune responses. We investigated the effect of obstetric factors other than being born by cesarean section on immune responses later in life. METHOD OF STUDY: Regulatory, inflammatory, TH1 and TH2 cytokines, and a chemokine were analyzed in unstimulated and Toll-like receptors (TLRs) 2-, 3-, and 4-stimulated PBMCs of teenagers born by cesarean delivery (CD; N=79)...
January 3, 2017: American Journal of Reproductive Immunology: AJRI
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