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https://www.readbyqxmd.com/read/29350603/decision-tree-analysis-in-subarachnoid-hemorrhage-prediction-of-outcome-parameters-during-the-course-of-aneurysmal-subarachnoid-hemorrhage-using-decision-tree-analysis
#1
Isabel Charlotte Hostettler, Carl Muroi, Johannes Konstantin Richter, Josef Schmid, Marian Christoph Neidert, Martin Seule, Oliver Boss, Athina Pangalu, Menno Robbert Germans, Emanuela Keller
OBJECTIVE The aim of this study was to create prediction models for outcome parameters by decision tree analysis based on clinical and laboratory data in patients with aneurysmal subarachnoid hemorrhage (aSAH). METHODS The database consisted of clinical and laboratory parameters of 548 patients with aSAH who were admitted to the Neurocritical Care Unit, University Hospital Zurich. To examine the model performance, the cohort was randomly divided into a derivation cohort (60% [n = 329]; training data set) and a validation cohort (40% [n = 219]; test data set)...
January 19, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29348145/fbxl13-directs-the-proteolysis-of-cep192-to-regulate-centrosome-homeostasis-and-cell-migration
#2
Ella Fung, Carmen Richter, Hong-Bin Yang, Isabell Schäffer, Roman Fischer, Benedikt M Kessler, Florian Bassermann, Vincenzo D'Angiolella
Aberrant centrosome organisation with ensuing alterations of microtubule nucleation capacity enables tumour cells to proliferate and invade despite increased genomic instability. CEP192 is a key factor in the initiation process of centrosome duplication and in the control of centrosome microtubule nucleation. However, regulatory means of CEP192 have remained unknown. Here, we report that FBXL13, a binding determinant of SCF (SKP1-CUL1-F-box)-family E3 ubiquitin ligases, is enriched at centrosomes and interacts with the centrosomal proteins Centrin-2, Centrin-3, CEP152 and CEP192...
January 18, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29347409/bulk-and-local-rheology-in-a-dense-and-vibrated-granular-suspension
#3
Naïma Gaudel, Sébastien Kiesgen de Richter, Nicolas Louvet, Mathieu Jenny, Salaheddine Skali-Lami
In this paper, we investigate experimentally the dynamics of particles in dense granular suspensions when both shear and external vibrations are applied. We study in detail how vibrations affect particle reorganization at the local scale and modify the apparent rheology. The nonlocal nature of the rheology when no vibrations are applied is evidenced, in agreement with previous numerical studies from the literature. It is also shown that vibrations induce structural reorganizations, which tend to homogenize the system and cancel the nonlocal properties...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347234/pace-and-patterns-of-magnetic-swimmers-in-a-billiard-pool
#4
Florian J Maier, Markus Sesselmann, Ingo Rehberg, Reinhard Richter
We experimentally investigate magnetic surface swimmers on water. These objects self-assemble from ferromagnetic microparticles and a nonmagnetic disk. They are floating on the liquid surface due to interface tension and move under the influence of a harmonically oscillating homogeneous magnetic field oriented vertically, which is distinguished by its amplitude and frequency. The speed of the surface swimmers strongly depends on these parameters. The functional dependencies between speed and amplitude and between speed and frequency are investigated by independently varying both control parameters...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346952/fluctuations-in-an-established-transmission-in-the-presence-of-a-complex-environment
#5
Dmitry V Savin, Martin Richter, Ulrich Kuhl, Olivier Legrand, Fabrice Mortessagne
In various situations where wave transport is preeminent, like in wireless communication, a strong established transmission is present in a complex scattering environment. We develop a nonperturbative approach to describe emerging fluctuations which combines a transmitting channel and a chaotic background in a unified effective Hamiltonian. Modeling such a background by random matrix theory, we derive exact results for both transmission and reflection distributions at arbitrary absorption that is typically present in real systems...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346566/a-genome-wide-association-study-identifies-nucleotide-variants-at-siglec5-and-defa1a3-as-risk-loci-for-periodontitis
#6
Matthias Munz, Christina Willenborg, Gesa M Richter, Yvonne Jockel-Schneider, Christian Graetz, Ingmar Staufenbiel, Jürgen Wellmann, Klaus Berger, Bastian Krone, Per Hoffmann, Nathalie van der Velde, André G Uitterlinden, Lisette C P G M de Groot, Amr H Sawalha, Haner Direskeneli, Güher Saruhan-Direskeneli, Esra Guzeldemir-Akcakanat, Huseyin Gencay Keceli, Matthias Laudes, Barbara Noack, Alexander Teumer, Birte Holtfreter, Thomas Kocher, Peter Eickholz, Jörg Meyle, Christof Doerfer, Corinna Bruckmann, Wolfgang Lieb, Andre Franke, Stefan Schreiber, Rahime M Nohutcu, Jeanette Erdmann, Bruno G Loos, Soeren Jepsen, Henrik Dommisch, Arne S Schaefer
No abstract text is available yet for this article.
January 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29346552/safety-profile-of-near-zero-fluoroscopy-atrial-fibrillation-ablation-with-non-fluoroscopic-catheter-visualization-experience-from-1000-consecutive-procedures
#7
Philipp Sommer, Livio Bertagnolli, Simon Kircher, Arash Arya, Andreas Bollmann, Sergio Richter, Sascha Rolf, Gerhard Hindricks
Aims: Efforts to reduce radiation exposure during catheter ablation procedures have included the use of various technological measures. Significant results have been achieved to the point where near lead-free procedures in routine clinical practice has become a realistic goal. The integration of MediGuide technology [non-fluoroscopic catheter visualization technology (NFCV)] and three-dimensional electroanatomical mapping is one of the methods developed in response to radiation reduction initiatives...
January 16, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29344493/comparison-of-gene-expression-profiling-and-chromosome-3-analysis-by-fluorescent-in-situ-hybridization-and-multiplex-ligation-probe-amplification-in-fine-needle-aspiration-biopsy-specimens-of-uveal-melanoma
#8
Michael A Klufas, Elizabeth Richter, Sujit Itty, Christian Moreno, Colin A McCannel, Tara A McCannel
Purpose: The aim of this paper was to assess the concordance between results of DecisionDx-UM specific gene expression profiling (GEP) and fluorescence in situ hybridization (FISH) for chromosome 3 analysis, and between DecisionDx-UM GEP and multiplex ligation probe amplification (MLPA) in uveal melanoma undergoing intraoperative fine-needle aspiration biopsy (FNAB) for metastatic prognostication during brachytherapy. Methods: We retrospectively reviewed consecutive patients diagnosed with posterior uveal melanoma who underwent intraoperative FNAB prior to placement of an iodine-125 radioactive plaque between 2012 and 2014...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29342186/doxorubicin-provoked-increase-of-mitotic-activity-and-concomitant-drain-of-g0-pool-in-therapy-resistant-be-2-c-neuroblastoma
#9
Isabell Hultman, Linnea Haeggblom, Ingvild Rognmo, Josefin Jansson Edqvist, Evelina Blomberg, Rouknuddin Ali, Lottie Phillips, Bengt Sandstedt, Per Kogner, Shahrzad Shirazi Fard, Lars Ährlund-Richter
In this study chemotherapy response in neuroblastoma (NB) was assessed for the first time in a transplantation model comprising non-malignant human embryonic microenvironment of pluripotent stem cell teratoma (PSCT) derived from diploid bona fide hESC. Two NB cell lines with known high-risk phenotypes; the multi-resistant BE(2)-C and the drug sensitive IMR-32, were transplanted to the PSCT model and the tumour growth was exposed to single or repeated treatments with doxorubicin, and thereafter evaluated for cell death, apoptosis, and proliferation...
2018: PloS One
https://www.readbyqxmd.com/read/29341730/polymer-chain-conformation-and-dynamical-confinement-in-a-model-one-component-nanocomposite
#10
C Mark, O Holderer, J Allgaier, E Hübner, W Pyckhout-Hintzen, M Zamponi, A Radulescu, A Feoktystov, M Monkenbusch, N Jalarvo, D Richter
We report a neutron-scattering investigation on the structure and dynamics of a single-component nanocomposite based on SiO_{2} particles that were grafted with polyisoprene chains at the entanglement limit. By skillful labeling, we access both the monomer density in the corona as well as the conformation of the grafted chains. While the corona profile follows a r^{-1} power law, the conformation of a grafted chain is identical to that of a chain in a reference melt, implying a high mutual penetration of the coronas from different particles...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341236/induced-earthquakes-from-long-term-gas-extraction-in-groningen-the-netherlands-statistical-analysis-and-prognosis-for-acceptable-risk-regulation
#11
Charles Vlek
Recently, growing earthquake activity in the northeastern Netherlands has aroused considerable concern among the 600,000 provincial inhabitants. There, at 3 km deep, the rich Groningen gas field extends over 900 km2 and still contains about 600 of the original 2,800 billion cubic meters (bcm). Particularly after 2001, earthquakes have increased in number, magnitude (M, on the logarithmic Richter scale), and damage to numerous buildings. The man-made nature of extraction-induced earthquakes challenges static notions of risk, complicates formal risk assessment, and questions familiar conceptions of acceptable risk...
January 16, 2018: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29339528/gonadal-function-in-adult-male-patients-with-congenital-adrenal-hyperplasia
#12
Manon Engels, Katharina Gehrmann, Henrik Falhammar, Emma A Webb, Anna Nordenstrom, Fred Sweep, Paul N Span, Antonius Eduard van Herwaarden, Julia Rohayem, Annette Richter-Unruh, Claire Bouvattier, Birgit Koehler, Barbara B Kortmann, Wiebke Arlt, Nel Roeleveld, Nicole Reisch, Nike Stikkelbroeck, Hedi L Claahsen-van der Grinten
CONTEXT: Current knowledge on gonadal function in Congenital Adrenal Hyperplasia (CAH) is mostly limited to single center/country studies enrolling small patient numbers. Overall data indicate that gonadal function can be compromised in men with CAH. OBJECTIVE: To determine gonadal function in men with CAH within the European "dsd-LIFE" cohort. DESIGN: Cross-sectional clinical outcome study, including retrospective data from medical records...
January 16, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29338915/the-significance-of-avoiding-household-food-waste-a-means-end-chain-approach
#13
Beate Richter, Wolfgang Bokelmann
Many humans suffer from hunger, while edible food is discarded. This study aims at showing the importance of avoiding food waste in households and its causes by applying the means-end-chain analysis. Additional the means-end-chain approach should be examined in how far the method is suitable to get insights towards this topic. Consumer backgrounds in terms of feelings and attitudes regarding food waste should be shown, with the particular question why food waste personally is important. The data collection occurred utilizing the hard laddering method within a quantitative online survey...
January 12, 2018: Waste Management
https://www.readbyqxmd.com/read/29338855/vitrified-blastocyst-transfer-cycles-with-the-use-of-only-vaginal-progesterone-replacement-with-endometrin-have-inferior-ongoing-pregnancy-rates-results-from-the-planned-interim-analysis-of-a-three-arm-randomized-controlled-noninferiority-trial
#14
Kate Devine, Kevin S Richter, Eric A Widra, Jeffrey L McKeeby
OBJECTIVE: To assess the noninferiority of vaginal P (Endometrin) compared with daily intramuscular P for replacement in programmed vitrified-warmed blastocyst transfer cycles and to assess the noninferiority of vaginal P in combination with intramuscular progesterone every third day compared with daily intramuscular P. DESIGN: Three-arm randomized controlled noninferiority study. To enable early recognition of inferiority if present, an a priori interim analysis was planned and completed once ongoing pregnancy data were available for 50% of the total enrollment goal...
January 12, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29335742/stand-alone-emollient-treatment-reduces-flares-after-discontinuation-of-topical-steroid-treatment-in-atopic-dermatitis-a-double-blind-randomized-vehicle-controlled-left-right-comparison-study
#15
Irena Angelova-Fischer, Frank Rippke, Daniel Richter, Alexander Filbry, Craig Arrowitz, Teresa Weber, Tobias W Fischer, Detlef Zillikens
Prevention of flares is a main goal in the long-term treatment of atopic dermatitis (AD). This study investigated the efficacy of a water-in-oil emollient, containing licochalcone A, omega-6-fatty acids, ceramide 3 and glycerol, for prevention of flares in adults with mild to moderately severe AD, who had been treated with topical steroids, which had led to clearing of the inflammatory lesions and had been discontinued prior to inclusion. The study was a 12-week, double-blind, randomized, vehicle-controlled, left-right comparison test with the number of relapses, defined as re-occurrence of erythema for at least 3 consecutive days, considered the primary outcome...
January 16, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29335389/checklist-in-colorectal-surgery-proposal-of-experts-of-the-polish-club-of-coloproctology-and-national-consultant-in-general-surgery
#16
Tomasz Banasiewicz, Łukasz Krokowicz, Piotr Richter, Adam Dziki, Piotr Krokowicz, Zbigniew Lorenc, Marek Szczepkowski, Michał Drews, Grzegorz Wallner
A checklist is a collection of information that helps reduce the risk of failure due to limitations in human memory and attention. In surgery, the first Surgical Safety Checklist (SSC), created under the supervision of WHO (World Health Organization), was established in 2007 and covers three stages related to the patient's stay in the operating theater and operation: 1. Prior to initiation (induction) of anesthesia; 2. before cutting the skin; 3. before the patient leaves the operating room Colorectal surgery is particularly at high risk for complications and relatively high mortality...
December 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/29334381/the-molecular-basis-of-subtype-selectivity-of-human-kinin-g-protein-coupled-receptors
#17
Lisa Joedicke, Jiafei Mao, Georg Kuenze, Christoph Reinhart, Tejaswi Kalavacherla, Hendrik R A Jonker, Christian Richter, Harald Schwalbe, Jens Meiler, Julia Preu, Hartmut Michel, Clemens Glaubitz
G-protein-coupled receptors (GPCRs) are the most important signal transducers in higher eukaryotes. Despite considerable progress, the molecular basis of subtype-specific ligand selectivity, especially for peptide receptors, remains unknown. Here, by integrating DNP-enhanced solid-state NMR spectroscopy with advanced molecular modeling and docking, the mechanism of the subtype selectivity of human bradykinin receptors for their peptide agonists has been resolved. The conserved middle segments of the bound peptides show distinct conformations that result in different presentations of their N and C termini toward their receptors...
January 15, 2018: Nature Chemical Biology
https://www.readbyqxmd.com/read/29332973/metabologenomics-of-phaeochromocytoma-and-paraganglioma-an-integrated-approach-for-personalised-biochemical-and-genetic-testing
#18
REVIEW
Graeme Eisenhofer, Barbara Klink, Susan Richter, Jacques Wm Lenders, Mercedes Robledo
The tremendous advances over the past two decades in both clinical genetics and biochemical testing of chromaffin cell tumours have led to new considerations about how these aspects of laboratory medicine can be integrated to improve diagnosis and management of affected patients. With germline mutations in 15 genes now identified to be responsible for over a third of all cases of phaeochromocytomas and paragangliomas, these tumours are recognised to have one of the richest hereditary backgrounds among all neoplasms...
April 2017: Clinical Biochemist. Reviews
https://www.readbyqxmd.com/read/29332341/association-of-the-combined-parameters-including-the-frequency-of-primary-cilia-cd8-tumor-infiltrating-lymphocytes-and-pd-1-expression-with-the-outcome-in-intestinal-cancer
#19
Josef Dvorak, Dimitar Hadzi Nikolov, Ladislav Dusek, Alzbeta Filipova, Igor Richter, David Buka, Ales Ryska, Jaroslav Mokry, Stanislav Filip, Bohuslav Melichar, Tomas Buchler, Jitka Abrahamova
PURPOSE: Primary cilium (PC) is considered to be a functional homologue of the immune synapse. Microtubule structures, PC of cancer associated fibroblasts and immune synapses between cytotoxic CD8+ tumor infiltrating lymphocytes (TILs) and cancer cells, are regularly found in varying amounts in the microenvironment of solid tumors. The purpose of this study was to find out the potential association and combined prognostic significance of the frequency of PC, PD-1 and CD8+ TILs in patients with intestinal cancer...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29331313/predictors-of-exacerbation-risk-and-response-to-budesonide-in-patients-with-chronic-obstructive-pulmonary-disease-a-post-hoc-analysis-of-three-randomised-trials
#20
Mona Bafadhel, Stefan Peterson, Miguel A De Blas, Peter M Calverley, Stephen I Rennard, Kai Richter, Malin Fagerås
BACKGROUND: The peripheral blood eosinophil count might help identify those patients with chronic obstructive pulmonary disease (COPD) who will experience fewer exacerbations when taking inhaled corticosteroids (ICS). Previous post-hoc analyses have proposed eosinophil cutoffs that are both arbitrary and limited in evaluating complex interactions of treatment response. We modelled eosinophil count as a continuous variable to determine the characteristics that determine both exacerbation risk and clinical response to ICS in patients with COPD...
January 10, 2018: Lancet Respiratory Medicine
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