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https://www.readbyqxmd.com/read/29036434/novel-mechanisms-of-eif2b-action-and-regulation-by-eif2%C3%AE-phosphorylation
#1
Andrew M Bogorad, Kai Ying Lin, Assen Marintchev
Eukaryotic translation initiation factor 2 (eIF2) is a heterotrimeric GTPase, which plays a critical role in protein synthesis regulation. eIF2-GTP binds Met-tRNAi to form the eIF2-GTP•Met-tRNAi ternary complex (TC), which is recruited to the 40S ribosomal subunit. Following GTP hydrolysis, eIF2-GDP is recycled back to TC by its guanine nucleotide exchange factor (GEF), eIF2B. Phosphorylation of the eIF2α subunit in response to various cellular stresses converts eIF2 into a competitive inhibitor of eIF2B, which triggers the integrated stress response (ISR)...
September 25, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29031523/6-hydroxy-3-o-methyl-kaempferol-6-o-glucopyranoside-potentiates-the-anti-proliferative-effect-of-interferon-%C3%AE-%C3%AE-by-promoting-activation-of-the-jak-stat-signaling-by-inhibiting-socs3-in-hepatocellular-carcinoma-cells
#2
Orawan Wonganan, Yu-Jiao He, Xiao-Fei Shen, Kanjana Wongkrajang, Apichart Suksamrarn, Guo-Lin Zhang, Fei Wang
Suppressor of cytokine signaling 3 (SOCS3) is a key negative regulator of type I interferon (IFN α/β) signaling. Inhibition of SOCS3 by small molecules may be a new strategy to enhance the efficacy of type I IFN and reduce its side effects. We established a cell-based screening assay using human hepatoma HepG2 cells stably transfected with a plasmid wherein the luciferase reporter activity was propelled by interferon α-stimulated response element (ISRE), which is a motif specifically recognized by type I IFN-induced activation of Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway...
October 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29026708/identification-of-risk-factors-influencing-in-stent-restenosis-with-acute-coronary-syndrome-presentation
#3
Jae Young Cho
Although the angiographic rates of in-stent restenosis (ISR) at later months have reduced dramatically with the introduction of drug-eluting stents (DESs), some patients with ISR after implantation of DES present with acute coronary syndrome (ACS). Here, we sought to identify parameters influencing the likelihood of restenosis with ACS presentation after DES implantation. Stented patients (n=3,817) with DESs in the Korea University Anam Hospital percutaneous coronary intervention registry were reviewed retrospectively for inclusion...
September 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/29025216/assisted-salvage-of-ischemic-fasciocutaneous-flap-using-adipose-derived-mesenchymal-stem-cells-in-situ-revascularization
#4
Michael H Carstens, Mauricio Mendieta, Cecilia Pérez, Esperanza Villareal, Rodolfo Garcia
Adipose-derived mesenchymal stem cells (ASCs) have been shown to produce vascular endothelial growth factor (VEGF) and can increase perfusion in patients with critical limb ischemia. We will show that this concept can be applied to augment blood flow in zones of flap ischemia. We presented a case study of a 26-year-old man with a complex hand injury covered by a reverse radial perforator fasciocutaneous flap, which developed ischemic necrosis and was treated by debridement, transplantation of ASCs to enhance vascular support, and saline dressings...
July 1, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29024274/second-generation-drug-eluting-stents-versus-drug-coated-balloons-for-the-treatment-of-coronary-in-stent-restenosis-a-systematic-review-and-meta-analysis
#5
Damianos G Kokkinidis, Andrew F Prouse, Seth J Avner, Joo Myung Lee, Stephen W Waldo, Ehrin J Armstrong
PURPOSE: The benefit of drug-eluting stents (DES) versus drug-coated balloons (DCB) in coronary artery in-stent restenosis (ISR) for the prevention of target lesion revascularization (TLR), stent thrombosis, and mortality remains uncertain. Our aim was to synthesize the available evidence from randomized clinical trials (RCTs) and observational studies that directly compare second-generation drug-eluting stents (SG-DES) and DCB for the treatment of coronary ISR. METHODS: Medline, Embase, and Cochrane Central were searched for RCTs or observational studies, published up to March 15, 2017...
October 10, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28994832/carotid-endarterectomy-for-treatment-of-carotid-in-stent-restenosis-long-term-follow-up-results-and-surgery-experiences-from-one-single-centre
#6
Le-Bao Yu, Wei Yan, Qian Zhang, Ji-Zong Zhao, Yan Zhang, Rong Wang, Jun-Shi Shao, Dong Zhang
OBJECTIVE: Few studies have reported the surgical treatment of carotid in-stent restenosis (ISR), more data and longer follow-up are needed. We describe the surgical treatment of ISR by standard carotid endarterectomy (CEA) with stent removal, including long-term follow-up in 10 patients from our centre. METHODS: Ten patients from our centre who underwent CEA with stent removal for ISR were retrospectively analysed, including nine symptomatic and one asymptomatic ISR of at least 70% with mean age 67...
September 2017: Stroke and Vascular Neurology
https://www.readbyqxmd.com/read/28991533/an-uhplc-ms-ms-method-for-simultaneous-determination-of-quercetin-3-o-rutinoside-kaempferol-3-o-rutinoside-isorhamnetin-3-o-rutinoside-bilobalide-and-ligustrazine-in-rat-plasma-and-its-application-to-pharmacokinetic-study-of-xingxiong-injection
#7
Li-Li Dou, Li Duan, Long Guo, Le-Le Liu, Yu-Dong Zhang, Ping Li, E-Hu Liu
The present study was designed to develop and validate a rapid, sensitive, and reliable ultra-high performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) method for the simultaneous determination of five major active constituents in the traditional Chinese medicinal preparation Xingxiong injection (XXI) in rat plasma, including quercetin 3-O-rutinoside (QCR), kaempferol 3-O-rutinoside (KFR), isorhamnetin 3-O-rutinoside (ISR), bilobalide (BB), and ligustrazine (LGT). The plasma samples were pretreated by protein precipitation with acetonitrile...
September 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28987316/bypass-for-symptomatic-in-stent-carotid-restenosis
#8
Francesco Stilo, Pasqualino Sirignano, Nunzio Montelione, Wassim Mansour, Laura Capoccia, Vincenzo Catanese, Francesco Spinelli, Francesco Speziale
BACKGROUND: To evaluate early and long-term outcomes of symptomatic patients treated for in-stent carotid restenosis (ISR) with carotid bypass (CB). METHODS: Data were retrospectively collected from a prospectively compiled database on patients treated with CB in two high-volume Italian centers between 2008 and 2016, for symptomatic high-grade ISR after CAS. After carotid endarterectomy and stent removal, a greater saphenous vein (GSV) was preferentially employed as the graft; when the GSV was not accessible, a 6mm polytetrafluoroethylene (PTFE) graft was implanted...
September 20, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28982619/toll-receptor-9-gene-in-the-black-tiger-shrimp-penaeus-monodon-induced-the-activation-of-the-tlr-nf-%C3%AE%C2%BAb-signaling-pathway
#9
Qian Liu, Xu Dan, Shigui Jiang, Jianhua Huang, Falin Zhou, Yang Qibin, Jiang Song, Lishi Yang
Toll receptors are important pathogen recognition receptors (PRRs) in shrimps, which play a vital role in defending against virus and bacterial challenge. In this paper, the characterization and functional analysis of a Toll9 receptor gene from Penaeus monodon was performed in HEK293T cells. Data showed that PmToll9 can activate the NF-κB promoter activities of TLR pathway, while ISRE and IFN-β promoter cannot be activated obviously in HEK293T cells using dual-luciferase reporter system. The downstream immune factors of IL-8, IκB-α, and TRAF6 were activated by PmToll9 and IL-8 showed the most significant up-regulation in expression levels, indicating the activities of NF-κB can be mediated by PmToll9...
October 2, 2017: Gene
https://www.readbyqxmd.com/read/28977052/impact-of-paclitaxel-eluting-balloons-compared-to-second-generation-drug-eluting-stents-for-of-in-stent-restenosis-in-a-primarily-acute-coronary-syndrome-population
#10
Guillaume Marquis-Gravel, Alexis Matteau, Brian J Potter, François Gobeil, Nicolas Noiseux, Louis-Mathieu Stevens, Samer Mansour
BACKGROUND: The place of drug-eluting balloons (DEB) in the treatment of in-stent restenosis (ISR) is not well-defined, particularly in a population of all-comers with acute coronary syndromes (ACS). OBJECTIVE: Compare the clinical outcomes of DEB with second-generation drug-eluting stents (DES) for the treatment of ISR in a real-world population with a high proportion of ACS. METHODS: A retrospective analysis of consecutive patients with ISR treated with a DEB compared to patients treated with a second-generation DES was performed...
September 28, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28975777/the-evolving-role-of-drug-coated-balloons-for-the-treatment-of-complex-femoropopliteal-lesions
#11
Grigorios Korosoglou, Michael Lichtenberg, Sultan Celik, Joachim Andrassy, Marianne Brodmann, Martin Andrassy
INTRODUCTION: Conventional therapies for transcatheter treatment of patients with infrainguinal obstructive disease remain compromised by high restenosis rates. Drug-coated balloons (DCB) offer a novel therapeutic alternative targeting the source of neo-intimal hyperplasia, without the need for a permanent endovascular scaffold and their inherent limitations. EVIDENCE ACQUISITION: A systematic research of the medical databases (Pubmed) has been conducted for this up-to-date review...
October 2, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28970468/prognostic-value-of-plasma-long-noncoding-rna-anril-for-in-stent-restenosis
#12
Fang Wang, Xi Su, Chengwei Liu, Mingxiang Wu, Bei Li
BACKGROUND In-stent restenosis (ISR) remains a major cause of failure of contemporary percutaneous revascularization therapies. Invasive biomarkers to improve the prognosis of ISR should be considered. This study aimed to investigate the association between plasma ANRIL expression and ISR. MATERIAL AND METHODS A total of 444 patients were included in this research. Serial coronary angiography was performed at baseline (before and after intervention) and within 36 months' follow-up. ISR was defined as >50% diameter stenosis at follow-up...
October 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28969942/duck-stimulator-of-interferon-genes-plays-an-important-role-in-host-anti-duck-plague-virus-infection-through-an-ifn-dependent-signalling-pathway
#13
Shun Chen, Zhen Wu, Jinyue Zhang, Mingshu Wang, Renyong Jia, Dekang Zhu, Mafeng Liu, Kunfeng Sun, Qiao Yang, Ying Wu, Xinxin Zhao, Anchun Cheng
The human stimulator of interferon gene (STING) is an important molecule in innate immunity that stimulates type I interferon (IFN) production. However, the role of duck STING (duSTING) in innate immunity has yet to be explained. In this study, the full length of the duSTING cDNA sequence (1149bp), which encodes 382 amino acid (aa) residues, was reported and showed the highest sequence similarity with chicken STINGs. The phylogenetic analysis based on STING aa showed that duSTING was grouped onto the birds clade...
September 30, 2017: Cytokine
https://www.readbyqxmd.com/read/28969716/what-can-ecological-studies-tell-us-about-death
#14
Yehuda Neumark
Using an ecological study design, Gordon et al. (Isr J Health Policy Res 6:39, 2017) demonstrate variations in mortality patterns across districts and sub-districts of Israel during 2008-2013. Unlike other epidemiological study designs, the units of analysis in ecological studies are groups of people, often defined geographically, and the exposures and outcomes are aggregated, and often known only at the population-level. The ecologic study has several appealing characteristics (such as reliance on public-domain anonymous data) alongside a number of important potential limitations including the often mentioned 'ecological fallacy'...
October 2, 2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28966155/one-year-clinical-outcomes-after-unrestricted-implantation-of-absorb-bioresorbable-scaffold-rai-registry
#15
Alfonso Ielasi, Bernardo Cortese, Elisabetta Moscarella, Bruno Loi, Giuseppe Tarantini, Attilio Varricchio, Francesco Pisano, Alessandro Durante, Giampaolo Pasquetto, Alessandro Colombo, Gabriele Tumminello, Luciano Moretti, Paolo Calabrò, Pietro Mazzarotto, Maurizio Tespili, Donatella Corrado, Giuseppe Steffenino
AIMS: to assess the outcomes following Absorb bioresorbable scaffold (BVS) implantation in an unrestricted clinical practice according to an "on-label" versus "off-label" indication. METHODS AND RESULTS: RAI is a prospective registry, investigating the BVS performance in different lesions subsets. No specific exclusion criteria were applied. Co-primary end-points were target lesion revascularization (TLR) and definite/probable scaffold thrombosis (ScT) at one-year...
October 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28964764/the-sabre-trial-sirolimus-angioplasty-balloon-for%C3%A2-coronary-in-stent-restenosis-angiographic-results-and-1-year-clinical-outcomes
#16
Stefan Verheye, Mathias Vrolix, Indulis Kumsars, Andrejs Erglis, Dace Sondore, Pierfrancesco Agostoni, Kristoff Cornelis, Luc Janssens, Michael Maeng, Ton Slagboom, Giovanni Amoroso, Lisette Okkels Jensen, Juan F Granada, Pieter Stella
OBJECTIVES: The aim of this first-in-human study was to assess the safety and effectiveness of the Virtue sirolimus-eluting balloon in a cohort of patients with in-stent restenosis (ISR). BACKGROUND: Angioplasty balloons coated with the cytotoxic drug paclitaxel have been widely used for ISR treatment. The Virtue angioplasty balloon (Caliber Therapeutics, New Hope, Pennsylvania) delivers sirolimus in a nanoencapsulated liquid formulation. This clinical trial is the first to examine a sirolimus-eluting balloon for ISR...
September 19, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28962840/characterization-and-role-of-suppressor-of-cytokine-signaling-1a-socs1a-in-a-teleost-fish-miichthys-miiuy
#17
Xueyan Zhao, Ruixuan Huo, Weihua Song, Tianjun Xu
The suppressor of cytokine signaling 1 (SOCS1) is a crucial regulator in the immune systems of mammals, which functions classically as a negatively regulator in the IFN signaling pathways. However, data on functional characterization of SOCS1 in lower vertebrates is limited. In this study, we identified and characterized the full-length SOCS1a gene of miiuy croaker (Miichthys miiuy). The sequence analysis results showed that miiuy croaker SOCS1a (mmSOCS1a) shared some conserved motifs with other vertebrates...
September 28, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28961818/insights-into-the-molecular-basis-of-biocontrol-of-brassica-pathogens-by-bacillus-amyloliquefaciens-ucmb5113-lipopeptides
#18
Shashidar Asari, Marc Ongena, Delphine Debois, Edwin De Pauw, Kunling Chen, Sarosh Bejai, Johan Meijer
Background and Aims: Certain micro-organisms can improve plant protection against pathogens. The protective effect may be direct, e.g. due to antibiotic compounds, or indirect, by priming of plant defence as induced systemic resistance (ISR). The plant growth-promoting rhizobacterium Bacillus amyloliquefaciens UCMB5113 shows potential for disease management of oilseed rape. To investigate the mode of action of this protection, especially in relation to jasmonic acid-dependent ISR, Bacillus UCMB5113 was tested with Arabidopsis thaliana mutants and several important fungal pathogens of Brassica species...
August 11, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28953979/the-transcription-factor-chop-an-effector-of-the-integrated-stress-response-is-required-for-host-sensitivity-to-the-fungal-intracellular-pathogen-histoplasma-capsulatum
#19
Bevin C English, Nancy Van Prooyen, Tiit Örd, Tõnis Örd, Anita Sil
The ability of intracellular pathogens to manipulate host-cell viability is critical to successful infection. Some pathogens promote host-cell survival to protect their replicative niche, whereas others trigger host-cell death to facilitate release and dissemination of the pathogen after intracellular replication has occurred. We previously showed that the intracellular fungal pathogen Histoplasma capsulatum (Hc) uses the secreted protein Cbp1 to actively induce apoptosis in macrophages; interestingly, cbp1 mutant strains are unable to kill macrophages and display severely reduced virulence in the mouse model of Hc infection...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28951289/use-of-a-nomogram-to-predict-the-closure-rate-of-diverting-ileostomy-after-low-anterior-resection-a-retrospective-cohort-study
#20
Shinya Abe, Kazushige Kawai, Hiroaki Nozawa, Keisuke Hata, Tomomichi Kiyomatsu, Toshiaki Tanaka, Takeshi Nishikawa, Kensuke Otani, Kazuhito Sasaki, Manabu Kaneko, Koji Murono, Shigenobu Emoto, Toshiaki Watanabe
INTRODUCTION: Although temporary ileostomy is widely used to prevent complications due to anastomotic leakage after middle and low rectal cancer surgery, some patients fail to achieve stoma closure after primary surgery. The aim of this study was to identify the risk factors for permanent stoma following low anterior resection (LAR) or intersphincteric resection (ISR) with a temporary ileostomy for rectal cancer, while focusing on the time course, to develop a nomogram that can predict the rate of unreversed ileostomy 1 year after initial surgery...
September 22, 2017: International Journal of Surgery
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