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https://www.readbyqxmd.com/read/27884026/-awake-video-laryngoscopy-an-alternative-to-awake-fiberoptic-intubation
#1
Jana Lohse, Rüdiger Noppens
INTRODUCTION: Awake video laryngoscopy is a novel option in airway management that is drawing more and more attention as an alternative to awake endoscopic guided intubation.Main issues: Intubation under preserved spontaneous breathing is the safest method to secure the expected difficult airway. In direct comparisons to awake flexible endoscopic intubation, awake video laryngoscopy achieves satisfactory intubation times and a high acceptance of patients and anesthesiologists. Specific cases, in particular very limited mouth opening or sub-glottic masses, require awake flexible endoscopic intubation...
November 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/27853317/high-mannose-specific-lectin-msl-mediates-key-interactions-of-the-vaginal-lactobacillus-plantarum-isolate-cmpg5300
#2
Shweta Malik, Mariya I Petrova, Nicole C E Imholz, Tine L A Verhoeven, Sam Noppen, Els J M Van Damme, Sandra Liekens, Jan Balzarini, Dominique Schols, Jos Vanderleyden, Sarah Lebeer
To characterize the interaction potential of the human vaginal isolate Lactobacillus plantarum CMPG5300, its genome was mined for genes encoding lectin-like proteins. cmpg5300.05_29 was identified as the gene encoding a putative mannose-binding lectin. Phenotypic analysis of a gene knock-out mutant of cmpg5300.05_29 showed that expression of this gene is important for auto-aggregation, adhesion to the vaginal epithelial cells, biofilm formation and binding to mannosylated glycans. Purification of the predicted lectin domain of Cmpg5300...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27687932/bioluminescent-avian-pathogenic-escherichia-coli-for-monitoring-colibacillosis-in-experimentally-infected-chickens
#3
Leon H Oosterik, Huruma N Tuntufye, Jessica Tsonos, Tom Luyten, Sam Noppen, Sandra Liekens, Rob Lavigne, Patrick Butaye, Bruno M Goddeeris
Avian pathogenic Escherichia coli (APEC) are responsible for significant economic losses in the poultry industry. In this study, a model for investigating the pathogenesis of APEC infections was established. APEC strain CH2 (O78) was marked with the luciferase operon (luxCDABE) using a Tn7 transposon and tissues of experimentally infected chickens were analysed for a correlation between the bioluminescent signal and the number of bacteria. Transposition of the lux operon into the chromosome of the APEC isolate did not affect sensitivity to lytic bacteriophages and there was no effect on virulence in an intratracheal infection model in 1-day-old chicks, although results with a subcutaneous infection model were inconclusive...
October 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27676414/lma-supreme-and-ambu-auragain-in-anesthetized-adult-patients-a-prospective-observational-study
#4
Marc Kriege, Tim Piepho, Susanne Zanker, Christian Alflen, Florian Heid, Rüdiger R Noppens
BACKGROUND: Second-generation laryngeal masks with gastric access are increasingly used in daily practice and expand the indications for laryngeal masks in the OR. Only limited data exist comparing different types of laryngeal masks. We investigated the second-generation laryngeal masks LMA Supreme and Ambu AuraGain in a clinical setting. We hypothesized that the two devices would be comparable in terms of success rate and airway complications. METHODS: After approval from the local ethics committee, data were collected in a prospective trial...
September 27, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27471201/pathogen-and-antibiotic-specific-effects-of-prednisone-in-community-acquired-pneumonia
#5
Sebastian A Wirz, Claudine A Blum, Philipp Schuetz, Werner C Albrich, Christoph Noppen, Beat Mueller, Mirjam Christ-Crain, Philip E Tarr
In a double-blind, randomised, placebo-controlled trial of hospitalised patients with community-acquired pneumonia (CAP), we demonstrated shorter time to clinical stability (TTCS) with adjunct corticosteroid therapy compared with placebo.We did a pre-planned, exploratory analysis of any association between microbiological diagnosis, antibiotic treatment and procalcitonin level and effect of prednisone on TTCS, mortality, and CAP complications (n=726 participants, enrolled between December 2009 and May 2014)...
October 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27224920/antivascular-and-antitumor-properties-of-the-tubulin-binding-chalcone-tub091
#6
María-Dolores Canela, Sam Noppen, Oskía Bueno, Andrea E Prota, Katja Bargsten, Gonzalo Sáez-Calvo, María-Luisa Jimeno, Mohammed Benkheil, Domenico Ribatti, Sonsoles Velázquez, María-José Camarasa, J Fernando Díaz, Michel O Steinmetz, Eva-María Priego, María-Jesús Pérez-Pérez, Sandra Liekens
We investigated the microtubule-destabilizing, vascular-targeting, anti-tumor and anti-metastatic activities of a new series of chalcones, whose prototype compound is (E)-3-(3''-amino-4''-methoxyphenyl)-1-(5'-methoxy-3',4'-methylendioxyphenyl)-2-methylprop-2-en-1-one (TUB091). X-ray crystallography showed that these chalcones bind to the colchicine site of tubulin and therefore prevent the curved-to-straight structural transition of tubulin, which is required for microtubule formation. Accordingly, TUB091 inhibited cancer and endothelial cell growth, induced G2/M phase arrest and apoptosis at 1-10 nM...
May 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27150724/a-comparison-of-the-enk-fiberoptic-atomizer-set-%C3%A2-with-boluses-of-topical-anaesthesia-for-awake-fibreoptic-intubation
#7
N Pirlich, J A Lohse, I Schmidtmann, N Didion, T Piepho, R R Noppens
We compared the Enk Fiberoptic Atomizer Set(™) with boluses of topical anaesthesia administered via the working channel during awake fibreoptic tracheal intubation in 96 patients undergoing elective surgery. Patients who received topical anaesthesia via the atomiser, compared with boluses via the fibreoptic scope, reported a better median (IQR [range]) level of comfort: 1 (1-3 [1-10]) vs. 4 (2-6 [1-10]), p < 0.0001; experienced a reduced total number of coughs: 6 (3-10 [0-34]) vs. 11 (6-13 [0-25]), p = 0...
July 2016: Anaesthesia
https://www.readbyqxmd.com/read/26816344/the-cellular-thioredoxin-1-thioredoxin-reductase-1-driven-oxidoreduction-represents-a-chemotherapeutic-target-for-hiv-1-entry-inhibition
#8
Kathrin Reiser, Leen Mathys, Sophie Curbo, Christophe Pannecouque, Sam Noppen, Sandra Liekens, Lars Engman, Mathias Lundberg, Jan Balzarini, Anna Karlsson
BACKGROUND: The entry of HIV into its host cell is an interesting target for chemotherapeutic intervention in the life-cycle of the virus. During entry, reduction of disulfide bridges in the viral envelope glycoprotein gp120 by cellular oxidoreductases is crucial. The cellular thioredoxin reductase-1 plays an important role in this oxidoreduction process by recycling electrons to thioredoxin-1. Therefore, thioredoxin reductase-1 inhibitors may inhibit gp120 reduction during HIV-1 entry...
2016: PloS One
https://www.readbyqxmd.com/read/26810800/screening-platform-toward-new-anti-hiv-aptamers-set-on-molecular-docking-and-fluorescence-quenching-techniques
#9
Giorgia Oliviero, Mariano Stornaiuolo, Valentina D'Atri, Fabrizia Nici, Ali Munaim Yousif, Stefano D'Errico, Gennaro Piccialli, Luciano Mayol, Ettore Novellino, Luciana Marinelli, Paolo Grieco, Alfonso Carotenuto, Sam Noppen, Sandra Liekens, Jan Balzarini, Nicola Borbone
By using a new rapid screening platform set on molecular docking simulations and fluorescence quenching techniques, three new anti-HIV aptamers targeting the viral surface glycoprotein 120 (gp120) were selected, synthesized, and assayed. The use of the short synthetic fluorescent peptide V35-Fluo mimicking the V3 loop of gp120, as the molecular target for fluorescence-quenching binding affinity studies, allowed one to measure the binding affinities of the new aptamers for the HIV-1 gp120 without the need to obtain and purify the full recombinant gp120 protein...
February 16, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/26559736/microbial-contamination-of-anesthetic-syringes-in-relation-to-different-handling-habits
#10
Florian Heid, Carolin Bender, Hendrik Gervais, Joachim Schmeck, Wolfgang Kohnen, Rüdiger Noppens
This single-center study prospectively assessed the microbial contamination of anesthetic syringes handled perioperatively under different conditions. We documented high rates of bacterial contamination, with strong but statistically nonsignificant differences between handling groups. Our results identify skin contact as the main source of contamination, and thus we emphasize the impact of proper hand hygiene.
March 1, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/26551597/basic-chemokine-derived-glycosaminoglycan-binding-peptides-exert-antiviral-properties-against-dengue-virus-serotype-2-herpes-simplex-virus-1-and-respiratory-syncytial-virus
#11
Vincent Vanheule, Peter Vervaeke, Anneleen Mortier, Sam Noppen, Mieke Gouwy, Robert Snoeck, Graciela Andrei, Jo Van Damme, Sandra Liekens, Paul Proost
Chemokines attract leukocytes to sites of infection in a G protein-coupled receptor (GPCR) and glycosaminoglycan (GAG) dependent manner. Therefore, chemokines are crucial molecules for proper functioning of our antimicrobial defense mechanisms. In addition, some chemokines have GPCR-independent defensin-like antimicrobial activities against bacteria and fungi. Recently, high affinity for GAGs has been reported for the positively charged COOH-terminal region of the chemokine CXCL9. In addition to CXCL9, also CXCL12γ has such a positively charged COOH-terminal region with about 50% positively charged amino acids...
January 15, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/26540494/anti-hiv-1-activity-of-a-tripodal-receptor-that-recognizes-mannose-oligomers
#12
Eva Rivero-Buceta, Paula Carrero, Elena Casanova, Elisa G Doyagüez, Andrés Madrona, Ernesto Quesada, María Jesús Peréz-Pérez, Raquel Mateos, Laura Bravo, Leen Mathys, Sam Noppen, Evgeny Kiselev, Christophe Marchand, Yves Pommier, Sandra Liekens, Jan Balzarini, María José Camarasa, Ana San-Félix
The glycoprotein gp120 of the HIV-1 viral envelope has a high content in mannose residues, particularly α-1,2-mannose oligomers. Compounds that interact with these high-mannose type glycans may disturb the interaction between gp120 and its (co)receptors and are considered potential anti-HIV agents. Previously, we demonstrated that a tripodal receptor (1), with a central scaffold of 1,3,5-triethylbenzene substituted with three 2,3,4-trihydroxybenzoyl groups, selectively recognizes α-1,2-mannose polysaccharides...
December 1, 2015: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/26513643/tryptophan-dendrimers-that-inhibit-hiv-replication-prevent-virus-entry-and-bind-to-the-hiv-envelope-glycoproteins-gp120-and-gp41
#13
Eva Rivero-Buceta, Elisa G Doyagüez, Ignacio Colomer, Ernesto Quesada, Leen Mathys, Sam Noppen, Sandra Liekens, María-José Camarasa, María-Jesús Pérez-Pérez, Jan Balzarini, Ana San-Félix
Dendrimers containing from 9 to 18 tryptophan residues at the peryphery have been efficiently synthesized and tested against HIV replication. These compounds inhibit an early step of the replicative cycle of HIV, presumably virus entry into its target cell. Our data suggest that HIV inhibition can be achieved by the preferred interaction of the compounds herein described with glycoproteins gp120 and gp41 of the HIV envelope preventing interaction between HIV and the (co)receptors present on the host cells. The results obtained so far indicate that 9 tryptophan residues on the periphery are sufficient for efficient gp120/gp41 binding and anti-HIV activity...
December 1, 2015: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/26179143/comparison-of-the-gold-standard-of-hemoglobin-measurement-with-the-clinical-standard-bga-and-noninvasive-hemoglobin-measurement-sphb-in-small-children-a-prospective-diagnostic-observational-study
#14
COMPARATIVE STUDY
Eva Wittenmeier, Sophia Bellosevich, Susanne Mauff, Irene Schmidtmann, Michael Eli, Gunther Pestel, Ruediger R Noppens
INTRODUCTION: Collecting a blood sample is usually necessary to measure hemoglobin levels in children. Especially in small children, noninvasively measuring the hemoglobin level could be extraordinarily helpful, but its precision and accuracy in the clinical environment remain unclear. In this study, noninvasive hemoglobin measurement and blood gas analysis were compared to hemoglobin measurement in a clinical laboratory. METHODS: In 60 healthy preoperative children (0...
October 2015: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/26170345/ventilation-through-a-straw-the-final-answer-in-a-totally-closed-upper-airway
#15
EDITORIAL
R R Noppens
No abstract text is available yet for this article.
August 2015: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/26123704/effects-of-cytochrome-p450-inhibition-and-induction-on-the-phenotyping-metrics-of-the-basel-cocktail-a-randomized-crossover-study
#16
RANDOMIZED CONTROLLED TRIAL
Adrian Derungs, Massimiliano Donzelli, Benjamin Berger, Christoph Noppen, Stephan Krähenbühl, Manuel Haschke
BACKGROUND AND OBJECTIVE: Activity of human cytochrome P450 enzymes (CYPs) shows high inter-and intra-individual variability, which is determined by genetic and non-genetic factors. Using a combination of CYP-specific probe drugs, phenotyping cocktails allow simultaneous assessment of the activity of different CYP isoforms. The objective of this study was to characterize the phenotyping metrics of the Basel cocktail in healthy male subjects with induced and inhibited CYP activity. METHODS: In a randomized crossover study, the probe drugs for simultaneous phenotyping of CYP1A2 (caffeine), CYP2B6 (efavirenz), CYP2C9 (losartan), 2C19 (omeprazole), CYP2D6 (metoprolol), and CYP3A4 (midazolam) were administered to 16 subjects without pretreatment (baseline), after pretreatment with a combination of CYP inhibitors (ciprofloxacin, ketoconazole, and paroxetine), and after CYP induction with rifampicin...
January 2016: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/26075408/psychometric-properties-of-the-family-accommodation-scale-for-obsessive-compulsive-disorder-patient-version
#17
Monica S Wu, Anthony Pinto, Betty Horng, Vicky Phares, Joseph F McGuire, Robert F Dedrick, Barbara Van Noppen, Lisa Calvocoressi, Eric A Storch
In obsessive-compulsive disorder (OCD), family accommodation is a frequently occurring phenomenon that has been linked to attenuated treatment response, increased obsessive-compulsive symptom severity, and lower levels of functioning. No patient-report version of family accommodation exists, with available measures relying on relatives as informants. However, adult patients with OCD often present to clinical services alone, frequently making it impractical to obtain information from these informants. Consequently, a standardized patient-reported measure of family accommodation proves salient in clinical practice...
March 2016: Psychological Assessment
https://www.readbyqxmd.com/read/26051498/the-novel-intubating-laryngeal-tube-ilts-d-is-comparable-to-the-intubating-laryngeal-mask-fastrach-a-prospective-randomised-manikin-study
#18
RANDOMIZED CONTROLLED TRIAL
Thomas Ott, Matthias Fischer, Tobias Limbach, Irene Schmidtmann, Tim Piepho, Ruediger R Noppens
BACKGROUND: Supraglottic devices are helpful for inexperienced providers who perform ventilation in emergency situations. Most supraglottic devices do not allow secondary tracheal intubation through the device. The novel intubating laryngeal tube (iLTS-D) and the intubating laryngeal mask (Fastrach) are devices that offer supraglottic ventilation and secondary tracheal intubation. METHODS: We evaluated the novel iLTS-D and compared it to the established Fastrach using a manikin-based study...
2015: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/26033383/antiviral-activity-of-synthetic-aminopyrrolic-carbohydrate-binding-agents-targeting-the-glycans-of-viral-gp120-to-inhibit-hiv-entry
#19
Oscar Francesconi, Cristina Nativi, Gabriele Gabrielli, Irene De Simone, Sam Noppen, Jan Balzarini, Sandra Liekens, Stefano Roelens
The binding abilities of a set of structurally related aminopyrrolic synthetic receptors for mannosides, endowed with antimycotic activity against yeast and yeast-like pathogens bearing mannoproteins on their cell surface, have been investigated towards the highly mannosylated gp120 and gp41 glycoproteins of the HIV envelope. A pronounced binding interaction with both glycoproteins was observed by SPR for most of the investigated compounds. Comparison of their binding properties towards the glycoproteins with their binding affinities toward mannosides revealed a direct correlation, supporting their role as carbohydrate binding agents (CBAs)...
July 6, 2015: Chemistry: a European Journal
https://www.readbyqxmd.com/read/25609197/the-broad-spectrum-anti-dna-virus-agent-cidofovir-inhibits-lung-metastasis-of-virus-independent-fgf2-driven-tumors
#20
Sandra Liekens, Sam Noppen, Sofie Gijsbers, Rebecca Sienaert, Roberto Ronca, Chiara Tobia, Marco Presta
The FDA-approved anti-DNA virus agent cidofovir (CDV) is being evaluated in phase II/III clinical trials for the treatment of human papillomavirus (HPV)-associated tumors. However, previous observations had shown that CDV also inhibits the growth of vascular tumors induced by fibroblast growth factor-2 (FGF2)-transformed FGF2-T-MAE cells. Here, we demonstrate that CDV inhibits metastasis induced by FGF2-driven, virus-independent tumor cells. Pre-treatment of luciferase-expressing FGF2-T-MAE cells with CDV reduced single cell survival and anchorage-independent growth in vitro and lung metastasis formation upon intravenous inoculation into SCID mice...
March 10, 2015: Oncotarget
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