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https://www.readbyqxmd.com/read/28231402/ex-vivo-visualization-of-human-ciliated-epithelium-and-quantitative-analysis-of-induced-flow-dynamics-by-using-optical-coherence-tomography
#1
Yuye Ling, Xinwen Yao, Ute A Gamm, Emilio Arteaga-Solis, Charles W Emala, Michael A Choma, Christine P Hendon
BACKGROUND AND OBJECTIVE: Cilia-driven mucociliary clearance is an important self-defense mechanism of great clinical importance in pulmonary research. Conventional light microscopy possesses the capability to visualize individual cilia and its beating pattern but lacks the throughput to assess the global ciliary activities and flow dynamics. Optical coherence tomography (OCT), which provides depth-resolved cross-sectional images, was recently introduced to this area. MATERIALS AND METHODS: Fourteen de-identified human tracheobronchial tissues are directly imaged by two OCT systems: one system centered at 1,300 nm with 6...
February 23, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28231154/natural-chemical-composition-of-commercial-fish-species-characterisation-of-pangasius-wild-and-farmed-turbot-and-barramundi
#2
Monika Manthey-Karl, Ines Lehmann, Ute Ostermeyer, Ute Schröder
To comply with the relevant legal requirements and correct labelling, it is necessary for business operators and inspection authorities to know the natural characteristics of the raw material. This study gives a comprehensive overview of muscle flesh composition of farmed and wild Atlantic turbot (Scophthalmus maximus) and barramundi (Lates calcarifer) and of farmed pangasius (Pangasianodon hypophthalmus). The proximate composition, di- and triphosphates and citric acid values are presented in order to evaluate possible indicators for a hidden treatment during processing to fillets...
August 30, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28229083/what-patients-with-pulmonary-fibrosis-and-their-partners-think-a-live-educative-survey-in-the-netherlands-and-germany
#3
Mirjam J G van Manen, Michael Kreuter, Bernt van den Blink, Ute Oltmanns, Karin Palmowski, Eva Brunnemer, Simone Hummler, Nelleke C Tak, Leon van den Toorn, Jelle Miedema, Henk C Hoogsteden, Marlies S Wijsenbeek
Pulmonary fibrosis greatly impacts patients and their partners. Unmet needs of patients are increasingly acknowledged; the needs of partners often remain unnoticed. Little is known about the best way to educate patients and partners. We investigated pulmonary fibrosis patients' and partners' perspectives and preferences in care, and the differences in these between the Netherlands and Germany. Additionally, we evaluated whether interactive interviewing could be a novel education method in this population. Patients and partners were interviewed during pulmonary fibrosis patient information meetings...
January 2017: ERJ Open Research
https://www.readbyqxmd.com/read/28228854/a-postsynthetically-2-clickable-uridine-with-arabino-configuration-and-its-application-for-fluorescent-labeling-and-imaging-of-dna
#4
Heidi-Kristin Walter, Bettina Olshausen, Ute Schepers, Hans-Achim Wagenknecht
The arabino-configured analog of uridine with a propargyl group at the 2'-position was synthesized and incorporated into DNA by solid-phase chemistry. The fluorescence quantum yields of DNA strands that were postsynthetically modified by blue and green emitting cyanine-styryl dyes were improved due to the arabino-configured anchor. These oligonucleotides were used as energy transfer donors in hybrids with oligonucleotides modified with acceptor dyes that emit in the yellow-red range. These combinations give energy transfer pairs with blue-yellow, blue-red and green-red emission color changes...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28228505/postdiagnostic-mediterranean-and-healthy-nordic-dietary-patterns-are-inversely-associated-with-all-cause-mortality-in-long-term-colorectal-cancer-survivors
#5
Ilka Ratjen, Clemens Schafmayer, Romina di Giuseppe, Sabina Waniek, Sandra Plachta-Danielzik, Manja Koch, Ute Nöthlings, Jochen Hampe, Sabrina Schlesinger, Wolfgang Lieb
Background: Dietary factors are known to affect the risk of new-onset colorectal cancer (CRC), but information on the extent to which postdiagnostic diet affects mortality in long-term CRC survivors is scarce.Objective: We investigated the association of 2 a priori-defined postdiagnostic dietary patterns [Modified Mediterranean Diet Score (MMDS) and healthy Nordic Food Index (HNFI)] with all-cause mortality in long-term CRC survivors.Methods: Diet was assessed at a median time of 6 y after cancer diagnosis in 1404 CRC survivors (median age: 69 y; 56% men) in a prospective cohort study in Northern Germany by using a semiquantitative food-frequency questionnaire...
February 22, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28225508/suicidal-ideation-vs-suicide-attempts-clinical-and-psychosocial-profile-differences-among-depressed-patients-a-study-on-personality-traits-psychopathological-variables-and-sociodemographic-factors-in-228-patients
#6
Ute Lewitzka, Sina Spirling, Dirk Ritter, Michael Smolka, Sarah Goodday, Michael Bauer, Werner Felber, Tom Bschor
This study investigated whether personality traits, psychopathological characteristics, and sociodemographic factors in depressed patients differentiate patients with only suicidal thoughts from those who have attempted suicide. We investigated two groups of patients with an affective disorder: 198 patients with a suicide attempt within the last 3 months (sex ratio male to female, 1:1.3; mean age male to female, 44.8/44.7 years) and 30 patients without a suicide attempt but with suicidal thoughts (sex ratio male to female, 1:2; mean age male to female, 39...
February 20, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28225021/characterisation-of-urinary-wfdc12-in-small-nocturnal-basal-primates-mouse-lemurs-microcebus-spp
#7
Jennifer Unsworth, Grace M Loxley, Amanda Davidson, Jane L Hurst, Guadalupe Gómez-Baena, Nicholas I Mundy, Robert J Beynon, Elke Zimmermann, Ute Radespiel
Mouse lemurs are basal primates that rely on chemo- and acoustic signalling for social interactions in their dispersed social systems. We examined the urinary protein content of two mouse lemurs species, within and outside the breeding season, to assess candidates used in species discrimination, reproductive or competitive communication. Urine from Microcebus murinus and Microcebus lehilahytsara contain a predominant 10 kDa protein, expressed in both species by some, but not all, males during the breeding season, but at very low levels by females...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224622/slc2a3-single-nucleotide-polymorphism-and-duplication-influence-cognitive-processing-and-population-specific-risk-for-attention-deficit-hyperactivity-disorder
#8
Sören Merker, Andreas Reif, Georg C Ziegler, Heike Weber, Ute Mayer, Ann-Christine Ehlis, Annette Conzelmann, Stefan Johansson, Clemens Müller-Reible, Indrajit Nanda, Thomas Haaf, Reinhard Ullmann, Marcel Romanos, Andreas J Fallgatter, Paul Pauli, Tatyana Strekalova, Charline Jansch, Alejandro Arias Vasquez, Jan Haavik, Marta Ribasés, Josep Antoni Ramos-Quiroga, Jan K Buitelaar, Barbara Franke, Klaus-Peter Lesch
BACKGROUND: Attention-deficit/hyperactivity disorder (ADHD) is a common, highly heritable neurodevelopmental disorder with profound cognitive, behavioral, and psychosocial impairments with persistence across the life cycle. Our initial genome-wide screening approach for copy number variants (CNVs) in ADHD implicated a duplication of SLC2A3, encoding glucose transporter-3 (GLUT3). GLUT3 plays a critical role in cerebral glucose metabolism, providing energy for the activity of neurons, which, in turn, moderates the excitatory-inhibitory balance impacting both brain development and activity-dependent neural plasticity...
February 22, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28223354/il-1%C3%AE-induced-and-p38-mapk-dependent-activation-of-the-mitogen-activated-protein-kinase-mapk-activated-protein-kinase-mk-2-in-hepatocytes-signal-transduction-with-robust-and-concentration-independent-signal-amplification
#9
Andreas Kulawik, Raphael Engesser, Christian Ehlting, Andreas Raue, Ute Albrecht, Bettina Hahn, Wolf-Dieter Lehmann, Matthias Gaestel, Ursula Klingmüller, Dieter Häussinger, Jens Timmer, Johannes G Bode
The Interleukin (IL)-1β induced activation of the p38(MAPK)/MK2 pathway in hepatocytes is important for the control of acute phase response and regulation of liver regeneration. Many aspects of regulatory relevance of this pathway have been investigated in immune cells in the context of inflammation. However, very little is known about concentration-dependent activation kinetics and signal propagation in hepatocytes and the role of MK2. We established a mathematical model for IL-1β induced activation of the p38(MAPK)/MK2 pathway in hepatocytes that was calibrated to quantitative data on time- and IL-1β concentration-dependent phosphorylation of p38(MAPK) and MK2 in primary mouse hepatocytes...
February 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28222182/epidemiological-tracing-of-bovine-tuberculosis-in-switzerland-multilocus-variable-number-of-tandem-repeat-analysis-of-mycobacterium-bovis-and-mycobacterium-caprae
#10
Giovanni Ghielmetti, Simone Scherrer, Ute Friedel, Daniel Frei, Dominique Suter, Lukas Perler, Max M Wittenbrink
BACKGROUND: After 15 years of absence, in 2013 bovine tuberculosis (bTB), caused by Mycobacterium (M.) bovis and M. caprae, reemerged in the Swiss dairy cattle population. In order to identify the sources of infection as well as the spread of the agents, molecular-epidemiologic tracing by MIRU-VNTR analysis in combination with spoligotyping was performed. A total of 17 M. bovis and 7 M. caprae isolates were cultured from tuberculous bovine lymph nodes and analyzed with a set of 49 genetic markers by using automated capillary electrophoresis...
2017: PloS One
https://www.readbyqxmd.com/read/28220411/peptidoglycan-isolation-and-binding-studies-with-lysm-type-pattern-recognition-receptors
#11
Ute Bertsche, Andrea A Gust
In the last decade, more and more plant receptors for complex carbohydrate structures have been described. However, studies on receptor binding to glycan ligands are often hampered due to the technical challenge to obtain pure preparations of homogeneous carbohydrate ligands such as bacterial peptidoglycan (PGN) in amounts suitable for studying protein-glycan interactions. Also, most approaches rely on the availability of defined soluble ligands, which in the case of glycans can rarely be synthesized but have to be purified from the respective microorganism...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28219648/direct-magnitude-and-phase-imaging-of-myelin-using-ultrashort-echo-time-ute-pulse-sequences-a-feasibility-study
#12
Qun He, Yajun Ma, Shujuan Fan, Hongda Shao, Vipul Sheth, Graeme M Bydder, Jiang Du
In this paper, we aimed to investigate the feasibility of direct visualization of myelin, including myelin lipid and myelin basic protein (MBP), using two-dimensional ultrashort echo time (2D UTE) sequences and utilize phase information as a contrast mechanism in phantoms and in volunteers. The standard UTE sequence was used to detect both myelin and long T2 signal. An adiabatic inversion recovery UTE (IR-UTE) sequence was used to selectively detect myelin by suppressing signal from long T2 water protons. Magnitude and phase imaging and T2* were investigated on myelin lipid and MBP in the forms of lyophilized powders as well as paste-like phantoms with the powder mixed with D2O, and rubber phantoms as well as healthy volunteers...
February 17, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28211702/antimicrobial-effect-of-biocompatible-silicon-nanoparticles-activated-by-therapeutic-ultrasound
#13
Svetlana N Shevchenko, Markus Burkhardt, Eugene V Sheval, Ulyana A Natashina, Christina Große, Alexander L Nikolaev, Alexander V Gopin, Ute Neugebauer, Andrew A Kudryavtsev, Vladimir Sivakov, Liubov Andreevna Osminkina
In this study, we report on a method for suppressing of Escherichia coli (E.coli) vitality by means of therapeutic ultrasound irradiation (USI) using biocompatible silicon nanoparticles as cavitation sensitizers. Silicon nanoparticles without (SiNPs) and with polysaccharide (dextran) coating (DSiNPs) were used. Both types of nanoparticles were non-toxic to Hep 2 cells up to concentration of 2 mg/ml. The treatment of bacteria with nanoparticles and application of 1 W/cm2 USI resulted in reduction of their viability up to 35% and 72% for SiNPs and DSiNPs, respectively...
February 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28211327/results-from-a-round-robin-test-for-the-ecotoxicological-evaluation-of-construction-products-using-two-leaching-tests-and-an-aquatic-test-battery
#14
Stefan Gartiser, Ines Heisterkamp, Ute Schoknecht, Michael Burkhardt, Monika Ratte, Outi Ilvonen, Frank Brauer, Jan Brückmann, André Dabrunz, Philipp Egeler, Andrea-Maria Eisl, Ute Feiler, Ines Fritz, Sabina König, Herbert Lebertz, Pascal Pandard, Gabriele Pötschke, Dirk Scheerbaum, Frank Schreiber, Přemysl Soldán, Roland Weiß, Reinhilde Weltens
A European round robin test according to ISO 5725-2 was conceptually prepared, realised, and evaluated. The aim was to determine the inter-laboratory variability of the overall process for the ecotoxicological characterization of construction products in eluates and bioassays. To this end, two construction products BAM-G1 (granulate) and HSR-2 (roof sealing sheet), both made of EPDM polymers (rubber), were selected. The granular construction product was eluted in a one stage batch test, the planar product in the Dynamic Surface Leaching test (DSLT)...
February 2, 2017: Chemosphere
https://www.readbyqxmd.com/read/28208623/fluorescence-lectin-bar-coding-of-glycoconjugates-in-the-extracellular-matrix-of-biofilm-and-bioaggregate-forming-microorganisms
#15
Thomas R Neu, Ute Kuhlicke
Microbial biofilm systems are defined as interface-associated microorganisms embedded into a self-produced matrix. The extracellular matrix represents a continuous challenge in terms of characterization and analysis. The tools applied in more detailed studies comprise extraction/chemical analysis, molecular characterization, and visualisation using various techniques. Imaging by laser microscopy became a standard tool for biofilm analysis, and, in combination with fluorescently labelled lectins, the glycoconjugates of the matrix can be assessed...
February 10, 2017: Microorganisms
https://www.readbyqxmd.com/read/28206823/the-effect-of-high-dose-ionizing-radiation-on-the-isolated-photobiont-of-the-astrobiological-model-lichen-circinaria-gyrosa
#16
Joachim Meeßen, Theresa Backhaus, Annette Brandt, Marina Raguse, Ute Böttger, Jean-Pierre de Vera, Rosa de la Torre
Lichen symbioses between fungi and algae represent successful life strategies to colonize the most extreme terrestrial habitats. Consequently, space exposure and simulation experiments have demonstrated lichens' high capacity for survival, and thus, they have become models in astrobiological research with which to discern the limits and limitations of terrestrial life. In a series of ground-based irradiation experiments, the STARLIFE campaign investigated the resistance of astrobiological model organisms to galactic cosmic radiation, which is one of the lethal stressors of extraterrestrial environments...
February 2017: Astrobiology
https://www.readbyqxmd.com/read/28205649/comparative-studies-of-oxaliplatin-based-platinum-iv-complexes-in-different-in-vitro-and-in-vivo-tumor-models
#17
Simone Göschl, Ekaterina Schreiber-Brynzak, Verena Pichler, Klaudia Cseh, Petra Heffeter, Ute Jungwirth, Michael A Jakupec, Walter Berger, Bernhard K Keppler
Using platinum(iv) prodrugs of clinically established platinum(ii) compounds is a strategy to overcome side effects and acquired resistances. We studied four oxaliplatin-derived platinum(iv) complexes with varying axial ligands in various in vitro and in vivo settings. The ability to interfere with DNA (pUC19) in the presence and absence of a reducing agent (ascorbic acid) was investigated in cell-free experiments. Cytotoxicity was compared under normoxic and hypoxic conditions in monolayer cultures and multicellular spheroids of colon carcinoma cell lines...
February 16, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28205381/the-clinical-significance-of-equivocal-findings-on-spinal-mri-in-children-with-medulloblastoma
#18
Julie Bennett, Ramy Ashmawy, Vijay Ramaswamy, Derek Stephens, Eric Bouffet, Normand Laperriere, Michael Taylor, Manohar Shroff, Ute Bartels
BACKGROUND: Medulloblastoma (MB) is the most common malignant brain tumor of childhood, with cerebrospinal fluid spread the most common site of metastasis. Currently, children diagnosed with MB and evidence of spinal metastasis are treated with an increased dose of craniospinal radiation (CSI). This report reviewed equivocal abnormalities including nerve root clumping, linear vascular enhancement, nerve root enhancement and/or other vague findings on spinal magnetic resonance imaging (MRI) to elucidate their prognostic significance and aid in risk stratification...
February 16, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28202094/impact-of-routine-bacillus-thuringiensis-israelensis-bti-treatment-on-the-availability-of-flying-insects-as-prey-for-aerial-feeding-predators
#19
Ute Timmermann, Norbert Becker
Since 1980, mosquito breeding habitats in the Upper Rhine Valley were routinely treated with Bacillus thuringiensis var. israelensis (Bti). Bti is considered to significantly reduce the number of mosquitoes, and - especially when used in higher dosages - to be toxic to other Nematocera species, e.g. Chironomidae, which could be food sources for aerial feeding predators. To investigate direct and indirect effects of routine Bti treatment on food sources for aerial feeding predators, the availability of flying insects in treated and untreated areas was compared...
February 16, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28197655/prefraction-displacement-and-intrafraction-drift-of-the-prostate-due%C3%A2-to-perineal-ultrasound-probe-pressure
#20
Minglun Li, Nina-Sophie Hegemann, Farkhad Manapov, Anne Kolberg, Patrick Dominik Thum, Ute Ganswindt, Claus Belka, Hendrik Ballhausen
OBJECTIVE: In image-guided EBRT of the prostate, transperineal ultrasound (US) probes exert pressure on the perineum both during planning and treatment. Through tissue deformation and relaxation, this causes target and risk organ displacement and drift. In this study, prefraction shift and intrafraction drift of the prostate are quantified during robotic transperineal 4DUS. METHODS: The position of the prostate was recorded for different positions of the probe before treatment in 10 patients (16 series of measurements)...
February 14, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
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