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https://www.readbyqxmd.com/read/27913065/hpv-status-cancer-stem-cell-marker-expression-hypoxia-gene-signatures-and-tumour-volume-identify-good-prognosis-subgroups-in-patients-with-hnscc-after-primary-radiochemotherapy-a-multicentre-retrospective-study-of-the-german-cancer-consortium-radiation-oncology
#1
Annett Linge, Fabian Lohaus, Steffen Löck, Alexander Nowak, Volker Gudziol, Chiara Valentini, Cläre von Neubeck, Martin Jütz, Inge Tinhofer, Volker Budach, Ali Sak, Martin Stuschke, Panagiotis Balermpas, Claus Rödel, Anca-Ligia Grosu, Amir Abdollahi, Jürgen Debus, Ute Ganswindt, Claus Belka, Steffi Pigorsch, Stephanie E Combs, David Mönnich, Daniel Zips, Frank Buchholz, Daniela E Aust, Gustavo B Baretton, Howard D Thames, Anna Dubrovska, Jan Alsner, Jens Overgaard, Mechthild Krause, Michael Baumann
OBJECTIVE: To investigate the impact of the tumour volume, HPV status, cancer stem cell (CSC) marker expression and hypoxia gene signatures, as potential markers of radiobiological mechanisms of radioresistance, in a contemporary cohort of patients with locally advanced head and neck squamous cell carcinoma (HNSCC), who received primary radiochemotherapy (RCTx). MATERIALS AND METHODS: For 158 patients with locally advanced HNSCC of the oral cavity, oropharynx or hypopharynx who were treated at six DKTK partner sites, the impact of tumour volume, HPV DNA, p16 overexpression, p53 expression, CSC marker expression and hypoxia-associated gene signatures on outcome of primary RCTx was retrospectively analyzed...
November 29, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27910823/optimized-mlaa-for-quantitative-non-tof-pet-mr-of-the-brain
#2
Didier Benoit, Claes N Ladefoged, Ahmadreza Rezaei, Sune H Keller, Flemming L Andersen, Liselotte Højgaard, Adam E Hansen, Søren Holm, Johan Nuyts
For quantitative tracer distribution in positron emission tomography, attenuation correction is essential. In a hybrid PET/CT system the CT images serve as a basis for generation of the attenuation map, but in PET/MR, the MR images do not have a similarly simple relationship with the attenuation map. Hence attenuation correction in PET/MR systems is more challenging. Typically either of two MR sequences are used: the Dixon or the ultra-short time echo (UTE) techniques. However these sequences have some well-known limitations...
December 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27909194/severity-assessment-and-scoring-for-neurosurgical-models-in-rodents
#3
Sarah Pinkernell, Katrin Becker, Ute Lindauer
The most important acute neurological diseases seen at neurosurgery departments are traumatic brain injuries (TBI) and subarachnoid hemorrhages (SAH). In both diseases the pathophysiological sequela are complex and have not been fully understood up to now, and rodent models using rats and mice are most suitable for the investigation of the pathophysiological details. In both models, surgery is performed under anesthesia, followed by assessment of their functional outcome and behavioral testing before brain tissue analysis after euthanasia...
December 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27908496/mixed-mode-acrylamide-based-continuous-beds-bearing-tert-butyl-groups-for-capillary-electrochromatography-synthesized-via-complexation-of-n-tert-butylacrylamide-with-a-water-soluble-cyclodextrin-part-i-retention-properties
#4
Ayat Allah Al-Massaedh, Ute Pyell
With the aim to improve the understanding of morphology and efficiency properties, we investigate in this series the impact of the complex formation constant of the hydrophobic monomer with respect to statistically methylated-β-cyclodextrin (Me-β-CD) on the electrochromatographic properties of highly crosslinked amphiphilic mixed-mode acrylamide-based monolithic stationary phases. Based on our previous work on amphiphilic mixed-mode monolithic stationary phases for capillary electrochromatography (CEC) using N-(1-adamantyl)acrylamide (Ad-AAm) as hydrophobic monomer that forms an extremely strong water-soluble inclusion complex with Me-β-CD, we now selected N-tert-butylacrylamide (NTBA) as hydrophobic monomer forming an inclusion complex with Me-β-CD with a much lower value of the formation constant...
November 21, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27904955/etirinotecan-pegol-administration-is-associated-with-lower-incidences-of-neutropenia-compared-to-irinotecan-administration
#5
S Kenneth Sy, Theresa D Sweeney, Chunmei Ji, Ute Hoch, Michael A Eldon
PURPOSE: The relationship between incidences of neutropenia and 10-hydroxy-7-ethyl camptothecin (SN38) exposure was explored using SN38 pharmacokinetic and neutrophil count data from toxicology studies of etirinotecan pegol (EP) and irinotecan in beagle dogs. METHODS: Dogs received four weekly intravenous infusions of either vehicle control (n = 22), EP (6, 15, 20, 25, 40/25 mg/kg; n = 3-9 dogs/dose group/sex; n = 48), or irinotecan (20 or 25 mg/kg n = 3-4 dogs/dose group/sex; n = 14)...
November 30, 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27903024/-depressive-disorders-in-elder-patients-with-ckd
#6
Ute Hoffmann
Depressive disorders in patients with CKD are common und could be detected by simple screening-tests. The differential diagnosis includes uremic somatic symptoms. Besides the psychotherapy, medical treatment with SSRI or NaSSA are recommended in patients with CKD.
November 2016: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/27901041/bainbridge-ropers-syndrome-caused-by-loss-of-function-variants-in-asxl3-a-recognizable-condition
#7
Alma Kuechler, Johanna Christina Czeschik, Elisabeth Graf, Ute Grasshoff, Ulrike Hüffmeier, Tiffany Busa, Stefanie Beck-Woedl, Laurence Faivre, Jean-Baptiste Rivière, Ingrid Bader, Johannes Koch, André Reis, Ute Hehr, Olaf Rittinger, Wolfgang Sperl, Tobias B Haack, Thomas Wieland, Hartmut Engels, Holger Prokisch, Tim M Strom, Hermann-Josef Lüdecke, Dagmar Wieczorek
Truncating ASXL3 mutations were first identified in 2013 by Bainbridge et al. as a cause of syndromic intellectual disability in four children with similar phenotypes using whole-exome sequencing. The clinical features - postulated by Bainbridge et al. to be overlapping with Bohring-Opitz syndrome - were developmental delay, severe feeding difficulties, failure to thrive and neurological abnormalities. This condition was included in OMIM as 'Bainbridge-Ropers syndrome' (BRPS, #615485). To date, a total of nine individuals with BRPS have been published in the literature in four reports (Bainbridge et al...
November 30, 2016: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27900430/visible-and-red-emissive-molecular-beacons-for-optical-temperature-measurements-and-quality-control-in-diagnostic-assays-utilizing-temperature-dependent-amplification-reactions
#8
Zerrin Fidan, Andy Wende, Ute Resch-Genger
Quality control requirements imposed on assays used in clinical diagnostics and point-of-care-diagnostic testing (POCT), utilizing amplification reactions performed at elevated temperatures of 35 to 95 °C are very stringent. As the temperature of a reaction vessel has a large impact on the specificity and sensitivity of the amplification reaction, simple tools for local in situ temperature sensing and monitoring are required for reaction and assay control. We describe here a platform of stem-and-loop structured DNA hairpins (molecular beacons, MBs), absorbing and emitting in the visible and red spectral region, rationally designed for precise temperature measurements in microfluidic assays for POCT, and their application for temperature measurements in a common DNA-based molecular biological assay utilizing thermophilic helicase-dependent amplification (tHDA)...
November 29, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27898428/beneficial-effects-of-a-dietary-weight-loss-intervention-on-human-gut-microbiome-diversity-and-metabolism-are-not-sustained-during-weight-maintenance
#9
Femke-Anouska Heinsen, Daniela Fangmann, Nike Müller, Dominik M Schulte, Malte C Rühlemann, Kathrin Türk, Ute Settgast, Wolfgang Lieb, John F Baines, Stefan Schreiber, Andre Franke, Matthias Laudes
OBJECTIVE: In the present study, we examined the effect of a very low-calorie diet(VLCD)-based obesity program on human gut microbiome diversity and metabolism during weight loss and weight maintenance. METHODS: Obese subjects underwent 3 months of VLCD followed by 3 months of weight maintenance. A lean and an obese control group were included. The microbiome was characterized by performing high-throughput dual-indexed 16S rDNA amplicon sequencing. RESULTS: At baseline, a significant difference in the Firmicutes/Bacteroidetes ratio between the lean and obese individuals was observed (p = 0...
November 30, 2016: Obesity Facts
https://www.readbyqxmd.com/read/27898078/corrigendum-genetic-variants-associated-with-subjective-well-being-depressive-symptoms-and-neuroticism-identified-through-genome-wide-analyses
#10
Aysu Okbay, Bart M L Baselmans, Jan-Emmanuel De Neve, Patrick Turley, Michel G Nivard, Mark Alan Fontana, S Fleur W Meddens, Richard Karlsson Linnér, Cornelius A Rietveld, Jaime Derringer, Jacob Gratten, James J Lee, Jimmy Z Liu, Ronald de Vlaming, Tarunveer S Ahluwalia, Jadwiga Buchwald, Alana Cavadino, Alexis C Frazier-Wood, Nicholas A Furlotte, Victoria Garfield, Marie Henrike Geisel, Juan R Gonzalez, Saskia Haitjema, Robert Karlsson, Sander W van der Laan, Karl-Heinz Ladwig, Jari Lahti, Sven J van der Lee, Penelope A Lind, Tian Liu, Lindsay Matteson, Evelin Mihailov, Michael B Miller, Camelia C Minica, Ilja M Nolte, Dennis Mook-Kanamori, Peter J van der Most, Christopher Oldmeadow, Yong Qian, Olli Raitakari, Rajesh Rawal, Anu Realo, Rico Rueedi, Börge Schmidt, Albert V Smith, Evie Stergiakouli, Toshiko Tanaka, Kent Taylor, Gudmar Thorleifsson, Juho Wedenoja, Juergen Wellmann, Harm-Jan Westra, Sara M Willems, Wei Zhao, Najaf Amin, Andrew Bakshi, Sven Bergmann, Gyda Bjornsdottir, Patricia A Boyle, Samantha Cherney, Simon R Cox, Gail Davies, Oliver S P Davis, Jun Ding, Nese Direk, Peter Eibich, Rebecca T Emeny, Ghazaleh Fatemifar, Jessica D Faul, Luigi Ferrucci, Andreas J Forstner, Christian Gieger, Richa Gupta, Tamara B Harris, Juliette M Harris, Elizabeth G Holliday, Jouke-Jan Hottenga, Philip L De Jager, Marika A Kaakinen, Eero Kajantie, Ville Karhunen, Ivana Kolcic, Meena Kumari, Lenore J Launer, Lude Franke, Ruifang Li-Gao, David C Liewald, Marisa Koini, Anu Loukola, Pedro Marques-Vidal, Grant W Montgomery, Miriam A Mosing, Lavinia Paternoster, Alison Pattie, Katja E Petrovic, Laura Pulkki-Råback, Lydia Quaye, Katri Räikkönen, Igor Rudan, Rodney J Scott, Jennifer A Smith, Angelina R Sutin, Maciej Trzaskowski, Anna E Vinkhuyzen, Lei Yu, Delilah Zabaneh, John R Attia, David A Bennett, Klaus Berger, Lars Bertram, Dorret I Boomsma, Harold Snieder, Shun-Chiao Chang, Francesco Cucca, Ian J Deary, Cornelia M van Duijn, Johan G Eriksson, Ute Bültmann, Eco J C de Geus, Patrick J F Groenen, Vilmundur Gudnason, Torben Hansen, Catharine A Hartman, Claire M A Haworth, Caroline Hayward, Andrew C Heath, David A Hinds, Elina Hyppönen, William G William, Marjo-Riitta Järvelin, Karl-Heinz Jöckel, Jaakko Kaprio, Sharon L R Kardia, Liisa Keltikangas-Järvinen, Peter Kraft, Laura D Kubzansky, Terho Lehtimäki, Patrik K E Magnusson, Nicholas G Martin, Matt McGue, Andres Metspalu, Melinda Mills, Renée de Mutsert, Albertine J Oldehinkel, Gerard Pasterkamp, Nancy L Pedersen, Robert Plomin, Ozren Polasek, Christine Power, Stephen S Rich, Frits R Rosendaal, Hester M den Ruijter, David Schlessinger, Helena Schmidt, Rauli Svento, Reinhold Schmidt, Behrooz Z Alizadeh, Thorkild I A Sørensen, Tim D Spector, John M Starr, Kari Stefansson, Andrew Steptoe, Antonio Terracciano, Unnur Thorsteinsdottir, A Roy Thurik, Nicholas J Timpson, Henning Tiemeier, André G Uitterlinden, Peter Vollenweider, Gert G Wagner, David R Weir, Jian Yang, Dalton C Conley, George Davey Smith, Albert Hofman, Magnus Johannesson, David I Laibson, Sarah E Medland, Michelle N Meyer, Joseph K Pickrell, Tõnu Esko, Robert F Krueger, Jonathan P Beauchamp, Philipp D Koellinger, Daniel J Benjamin, Meike Bartels, David Cesarini
No abstract text is available yet for this article.
November 29, 2016: Nature Genetics
https://www.readbyqxmd.com/read/27896889/haloperoxidase-mimicry-by-ceo2-x-nanorods-combats-biofouling
#11
Karoline Herget, Patrick Hubach, Stefan Pusch, Peter Deglmann, Hermann Götz, Tatiana E Gorelik, Il'ya A Gural'skiy, Felix Pfitzner, Thorben Link, Stephan Schenk, Martin Panthöfer, Vadim Ksenofontov, Ute Kolb, Till Opatz, Rute André, Wolfgang Tremel
CeO2-x nanorods are functional mimics of natural haloperoxidases. They catalyze the oxidative bromination of phenol red to bromophenol blue and of natural signaling molecules involved in bacterial quorum sensing. Laboratory and field tests with paint formulations containing 2 wt% of CeO2-x nanorods show a reduction in biofouling comparable to Cu2 O, the most typical biocidal pigment.
November 29, 2016: Advanced Materials
https://www.readbyqxmd.com/read/27896836/radiosynthesis-and-biological-evaluation-of-the-new-pde10a-radioligand-18-f-aq28a
#12
Sally Wagner, Rodrigo Teodoro, Winnie Deuther-Conrad, Mathias Kranz, Matthias Scheunemann, Steffen Fischer, Barbara Wenzel, Ute Egerland, Norbert Hoefgen, Jörg Steinbach, Peter Brust
Cyclic nucleotide phosphodiesterase 10A (PDE10A) regulates the level of the second messengers cAMP and cGMP in particular in brain regions assumed to be associated with neurodegenerative and psychiatric diseases. A better understanding of the pathophysiological role of the expression of PDE10A could be obtained by quantitative imaging of the enzyme by positron emission tomography (PET). Thus, in this study we developed, radiolabeled, and evaluated a new PDE10A radioligand, 8-bromo-1-(6-[(18) F]fluoropyridin-3-yl)-3,4-dimethylimidazo[1,5-a]quinoxaline ([(18) F]AQ28A)...
November 29, 2016: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/27894027/assessing-the-safety-effects-of-cooperative-intelligent-transport-systems-a-bowtie-analysis-approach
#13
Ute Christine Ehlers, Eirin Olaussen Ryeng, Edward McCormack, Faisal Khan, Sören Ehlers
The safety effects of cooperative intelligent transport systems (C-ITS) are mostly unknown and associated with uncertainties, because these systems represent emerging technology. This study proposes a bowtie analysis as a conceptual framework for evaluating the safety effect of cooperative intelligent transport systems. These seek to prevent road traffic accidents or mitigate their consequences. Under the assumption of the potential occurrence of a particular single vehicle accident, three case studies demonstrate the application of the bowtie analysis approach in road traffic safety...
November 25, 2016: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/27893017/evaluation-of-cognitive-deficits-and-structural-hippocampal-damage-in-encephalitis-with-leucine-rich-glioma-inactivated-1-antibodies
#14
Carsten Finke, Harald Prüss, Josephine Heine, Sigrid Reuter, Ute A Kopp, Florian Wegner, Florian Then Bergh, Sebastian Koch, Olav Jansen, Thomas Münte, Günther Deuschl, Klemens Ruprecht, Winfried Stöcker, Klaus-Peter Wandinger, Friedemann Paul, Thorsten Bartsch
Importance: Limbic encephalitis with leucine-rich, glioma-inactivated 1 (LGI1) antibodies is one of the most frequent variants of autoimmune encephalitis with antibodies targeting neuronal surface antigens. However, the neuroimaging pattern and long-term cognitive outcome are not well understood. Objective: To study cognitive outcome and structural magnetic resonance imaging (MRI) alterations in patients with anti-LGI1 encephalitis. Design, Setting, and Participants: A cross-sectional study was conducted at the Departments of Neurology at Charité-Universitätsmedizin Berlin and University Hospital Schleswig-Holstein, Kiel, Germany...
November 21, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27886656/neural-mechanisms-underlying-visual-attention-to-health-warnings-on-branded-and-plain-cigarette-packs
#15
Olivia M Maynard, Jonathan C W Brooks, Marcus R Munafò, Ute Leonards
AIMS: To (1) test if activation in brain regions related to reward (nucleus accumbens) and emotion (amygdala) differ when branded and plain packs of cigarettes are viewed, (2) test whether these activation patterns differ by smoking status, and (3) examine whether activation patterns differ as a function of visual attention to health warning labels on cigarette packs. DESIGN: Cross-sectional observational study combining fMRI with eye-tracking. Non-smokers, weekly smokers and daily smokers performed a memory task on branded and plain cigarette packs with pictorial health warnings presented in an event-related design...
November 25, 2016: Addiction
https://www.readbyqxmd.com/read/27884962/triheptanoin-long-term-effects-in-the-very-long-chain-acyl-coa-dehydrogenase-vlcad-deficient-mouse
#16
Sara Tucci, Ulrich Floegel, Frauke Beermann, Sidney Behringer, Ute Spiekerkoetter
A rather new approach in the treatment of long-chain fatty acid oxidation disorders is represented by triheptanoin, a triglyceride with three medium-odd-chain heptanoic acid (C7) due to its anaplerotic potential. We here investigate the effects of a one-year triheptanoin-based diet on the clinical phenotype of very long-chain-acyl-CoA-dehydrogenase-deficient (VLCAD-/-) mice. The cardiac function was assessed in VLCAD-/- mice by in vivo MRI. Metabolic adaptations were identified by the expression of genes regulating energy metabolism and anaplerotic processes using real-time-PCR and the results were correlated with the measurement of the glycolytic enzymes pyruvate dehydrogenase (PDH) and pyruvate kinase (PK)...
November 24, 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27884137/early-identification-in-primary-health-care-of-people-at-risk-for-sick-leave-due-to-work-related-stress-study-protocol-of-a-randomized-controlled-trial-rct
#17
Kristina Holmgren, Christine Sandheimer, Ann-Charlotte Mårdby, Maria E H Larsson, Ute Bültmann, Dominique Hange, Gunnel Hensing
BACKGROUND: Early identification of persons at risk of sickness absence due to work-related stress is a crucial problem for society in general, and primary health care in particular. Tho date, no established method to do this exists. This project's aim is to evaluate whether systematic early identification of work-related stress can prevent sickness absence. This paper presents the study design, procedure and outcome measurements, as well as allocation and baseline characteristics of the study population...
November 25, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27877161/an-enrichment-of-crispr-and-other-defense-related-features-in-marine-sponge-associated-microbial-metagenomes
#18
Hannes Horn, Beate M Slaby, Martin T Jahn, Kristina Bayer, Lucas Moitinho-Silva, Frank Förster, Usama R Abdelmohsen, Ute Hentschel
Many marine sponges are populated by dense and taxonomically diverse microbial consortia. We employed a metagenomics approach to unravel the differences in the functional gene repertoire among three Mediterranean sponge species, Petrosia ficiformis, Sarcotragus foetidus, Aplysina aerophoba and seawater. Different signatures were observed between sponge and seawater metagenomes with regard to microbial community composition, GC content, and estimated bacterial genome size. Our analysis showed further a pronounced repertoire for defense systems in sponge metagenomes...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27872184/functional-variants-in-the-sucrase-isomaltase-gene-associate-with-increased-risk-of-irritable-bowel-syndrome
#19
Maria Henström, Lena Diekmann, Ferdinando Bonfiglio, Fatemeh Hadizadeh, Eva-Maria Kuech, Maren von Köckritz-Blickwede, Louise B Thingholm, Tenghao Zheng, Ghazaleh Assadi, Claudia Dierks, Martin Heine, Ute Philipp, Ottmar Distl, Mary E Money, Meriem Belheouane, Femke-Anouska Heinsen, Joseph Rafter, Gerardo Nardone, Rosario Cuomo, Paolo Usai-Satta, Francesca Galeazzi, Matteo Neri, Susanna Walter, Magnus Simrén, Pontus Karling, Bodil Ohlsson, Peter T Schmidt, Greger Lindberg, Aldona Dlugosz, Lars Agreus, Anna Andreasson, Emeran Mayer, John F Baines, Lars Engstrand, Piero Portincasa, Massimo Bellini, Vincenzo Stanghellini, Giovanni Barbara, Lin Chang, Michael Camilleri, Andre Franke, Hassan Y Naim, Mauro D'Amato
OBJECTIVE: IBS is a common gut disorder of uncertain pathogenesis. Among other factors, genetics and certain foods are proposed to contribute. Congenital sucrase-isomaltase deficiency (CSID) is a rare genetic form of disaccharide malabsorption characterised by diarrhoea, abdominal pain and bloating, which are features common to IBS. We tested sucrase-isomaltase (SI) gene variants for their potential relevance in IBS. DESIGN: We sequenced SI exons in seven familial cases, and screened four CSID mutations (p...
November 21, 2016: Gut
https://www.readbyqxmd.com/read/27870855/host-parasite-interactions-and-population-dynamics-of-rock-ptarmigan
#20
Ute Stenkewitz, Ólafur K Nielsen, Karl Skírnisson, Gunnar Stefánsson
Populations of rock ptarmigan (Lagopus muta) in Iceland fluctuate in multiannual cycles with peak numbers c. every 10 years. We studied the ptarmigan-parasite community and how parasites relate to ptarmigan age, body condition, and population density. We collected 632 ptarmigan in northeast Iceland in early October from 2006 to 2012; 630 (99.7%) were infected with at least one parasite species, 616 (98%) with ectoparasites, and 536 (85%) with endoparasites. We analysed indices for the combined parasite community (16 species) and known pathogenic parasites, two coccidian protozoans Eimeria muta and Eimeria rjupa, two nematodes Capillaria caudinflata and Trichostrongylus tenuis, one chewing louse Amyrsidea lagopi, and one skin mite Metamicrolichus islandicus...
2016: PloS One
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