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https://www.readbyqxmd.com/read/28741409/foxp3-expression-in-lymph-node-metastases-in-patients-with-head-and-neck-cancer
#1
Mehtap Boduc, Marion Roessler, Robert Mandic, Christoph Netzer, Christian Güldner, Ute Walliczek-Dworschak, Boris A Stuck, Magis Mandapathil
INTRODUCTION: The prevalence and activity of regulatory T cells in patients with cancer correlates with poor prognosis. These cells are characterized by their expression of Forkhead box protein-3 (Foxp3). Squamous cell carcinoma is the most prevalent type of cancer in the head and neck region with overall poor survival rates, also due to early spread of metastatic cells. MATERIAL AND METHODS: Primary tumor specimens as well as lymph node specimens harvested during neck dissection of 65 patients with a diagnosis of HNSCC were subjected to immunohistochemical and H-score analysis of Foxp3 expression...
July 25, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28738785/admission-serum-potassium-concentration-and-long-term-mortality-in-patients-with-acute-myocardial-infarction-results-from-the-monica-kora-myocardial-infarction-registry
#2
Miriam Giovanna Colombo, Inge Kirchberger, Ute Amann, Margit Heier, Christian Thilo, Bernhard Kuch, Annette Peters, Christa Meisinger
BACKGROUND: Conflicting with clinical practice guidelines, recent studies demonstrated that serum potassium concentrations (SPC) of ≥4.5 mEq/l were associated with increased mortality in patients with acute myocardial infarction (AMI). This study examined the association between SPC and long-term mortality following AMI in patients recruited from a population-based registry. METHODS: Included in the study were 3347 patients with AMI aged 28-74 years consecutively hospitalized between 1 January 2000 and 31 December 2008 and followed up until 31 December 2011...
July 24, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28738676/in-situ-crystallization-of-the-insoluble-anhydrite-aii-phase-in-graphene-pockets
#3
Tibor Lehnert, Michael Kiarie Kinyanjui, Anita Ladenburger, Dimitri Rommel, Katharina Wörle, Felix Börrnert, Kerstin Leopold, Ute Kaiser
Single-distilled water encapsulated in graphene pockets, which has been studied by aberration-corrected high-resolution transmission electron microscopy (AC-HRTEM) and Electron Energy Loss Spectroscopy (EELS) at an acceleration voltage of 80 kV. Inside the graphene pockets crystallization and in-situ crystal growth is reported and identified as ultrathin insoluble AII phase of CaSO4 (anhydrite) in a quasi 2-dimensional system. Its formation condition is discussed with respect to the possible temperature and van der Waals pressure between the graphene sheets...
July 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28731684/the-binding-mode-of-n-hydroxyamidines-to-indoleamine-2-3-dioxygenase-1-ido1
#4
Ute Friederike Röhrig, Vincent Zoete, Olivier Michielin
Indoleamine 2,3-dioxygenase 1 (IDO1) is an important target in cancer immunotherapy. The most advanced clinical compound, epacadostat (INCB024360), binds to the heme cofactor of IDO1 through a N-hydroxyamidine function. Conflicting binding modes have recently been proposed, reporting iron binding either through the hydroxyamidine oxygen or nitrogen atoms. Here, we use quantum chemical calculations, docking, and QM/MM calculations based on available X-ray data to resolve this issue and to propose a physically meaningful binding mode...
July 21, 2017: Biochemistry
https://www.readbyqxmd.com/read/28731616/inversion-recovery-ultrashort-echo-time-imaging-of-ultrashort-t2-tissue-components-in-ovine-brain-at-3%C3%A2-t-a-sequential-d2-o-exchange-study
#5
Shu-Juan Fan, Yajun Ma, Eric Y Chang, Graeme M Bydder, Jiang Du
Inversion recovery ultrashort echo time (IR-UTE) imaging holds the potential to directly characterize MR signals from ultrashort T2 tissue components (STCs), such as collagen in cartilage and myelin in brain. The application of IR-UTE for myelin imaging has been challenging because of the high water content in brain and the possibility that the ultrashort T2 * signals are contaminated by water protons, including those associated with myelin sheaths. This study investigated such a possibility in an ovine brain D2 O exchange model and explored the potential of IR-UTE imaging for the quantification of ultrashort T2 * signals in both white and gray matter at 3 T...
July 21, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28731318/ultrafast-ionic-liquid-assisted-microwave-synthesis-of-sno-microflowers-and-their-superior-sodium-ion-storage-performance
#6
Bingsheng Qin, Huang Zhang, Thomas Diemant, Dorin Geiger, Rinaldo Raccichini, R Jürgen Behm, Ute Kaiser, Alberto Varzi, Stefano Passerini
Tin oxide (SnO) is considered one of the most promising metal oxides for utilization as anode material in sodium ion batteries (SIBs), due to its ease of synthesis, high specific gravimetric capacity and satisfactory cycling performance. However, to aim at practical applications, the coulombic efficiency during cycling needs to be further improved, which requires a deeper knowledge of its working mechanism. Here, a microflower-shaped SnO material is synthesized by means of an ultrafast ionic liquid-assisted microwave method...
July 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28728197/-is-age-a-comorbidity
#7
Ute Hoffmann, Cornel C Sieber
Aging is normal process, only somehow questioned by the "anti-aging wave". Normal and pathological aging are therefore separate developments. Older adults often suffer from the frailty syndrome, partly due to diminished resilience. Aging per se is not a comorbidity.
July 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28727518/therapeutic-and-prognostic-implications-of-braf-v600e-in-pediatric-low-grade-gliomas
#8
Alvaro Lassaletta, Michal Zapotocky, Matthew Mistry, Vijay Ramaswamy, Marion Honnorat, Rahul Krishnatry, Ana Guerreiro Stucklin, Nataliya Zhukova, Anthony Arnoldo, Scott Ryall, Catriona Ling, Tara McKeown, Jim Loukides, Ofelia Cruz, Carmen de Torres, Cheng-Ying Ho, Roger J Packer, Ruth Tatevossian, Ibrahim Qaddoumi, Julie H Harreld, James D Dalton, Jean Mulcahy-Levy, Nicholas Foreman, Matthias A Karajannis, Shiyang Wang, Matija Snuderl, Amulya Nageswara Rao, Caterina Giannini, Mark Kieran, Keith L Ligon, Maria Luisa Garre, Paolo Nozza, Samantha Mascelli, Alessandro Raso, Sabine Mueller, Theodore Nicolaides, Karen Silva, Romain Perbet, Alexandre Vasiljevic, Cécile Faure Conter, Didier Frappaz, Sarah Leary, Courtney Crane, Aden Chan, Ho-Keung Ng, Zhi-Feng Shi, Ying Mao, Elizabeth Finch, David Eisenstat, Bev Wilson, Anne Sophie Carret, Peter Hauser, David Sumerauer, Lenka Krskova, Valerie Larouche, Adam Fleming, Shayna Zelcer, Nada Jabado, James T Rutka, Peter Dirks, Michael D Taylor, Shiyi Chen, Ute Bartels, Annie Huang, David W Ellison, Eric Bouffet, Cynthia Hawkins, Uri Tabori
Purpose BRAF V600E is a potentially highly targetable mutation detected in a subset of pediatric low-grade gliomas (PLGGs). Its biologic and clinical effect within this diverse group of tumors remains unknown. Patients and Methods A combined clinical and genetic institutional study of patients with PLGGs with long-term follow-up was performed (N = 510). Clinical and treatment data of patients with BRAF V600E mutated PLGG (n = 99) were compared with a large international independent cohort of patients with BRAF V600E mutated-PLGG (n = 180)...
July 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28723169/nanoantenna-enhanced-infrared-spectroscopic-chemical-imaging
#9
Lucca Kühner, Mario Hentschel, Ute Zschieschang, Hagen Klauk, Jochen Vogt, Christian Huck, Harald Giessen, Frank Neubrech
Spectroscopic infrared chemical imaging is ideally suited for label-free and spatially resolved characterization of molecular species, but often suffers from low infrared absorption cross sections. Here, we overcome this limitation by utilizing confined electromagnetic near-fields of resonantly excited plasmonic nanoantennas, which enhance the molecular absorption by orders of magnitude. In the experiments, we evaporate microstructured chemical patterns of C60 and pentacene with nanometer thickness on top of homogeneous arrays of tailored nanoantennas...
May 26, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28718518/reduction-of-zika-virus-infectivity-in-platelet-concentrates-after-treatment-with-ultraviolet-c-light-and-in-plasma-after-treatment-with-methylene-blue-and-visible-light
#10
Jesse J Fryk, Denese C Marks, Jody Hobson-Peters, Daniel Watterson, Roy A Hall, Paul R Young, Stefan Reichenberg, Frank Tolksdorf, Chryslain Sumian, Ute Gravemann, Axel Seltsam, Helen M Faddy
BACKGROUND: Zika virus (ZIKV) has emerged as a potential threat to transfusion safety worldwide. Pathogen inactivation is one approach to manage this risk. In this study, the efficacy of the THERAFLEX UV-Platelets system and THERAFLEX MB-Plasma system to inactivate ZIKV in platelet concentrates (PCs) and plasma was investigated. STUDY DESIGN AND METHODS: PCs spiked with ZIKV were treated with the THERAFLEX UV-Platelets system at 0.05, 0.10, 0.15, and 0.20 J/cm(2) UVC...
July 17, 2017: Transfusion
https://www.readbyqxmd.com/read/28718449/the-dual-function-chaperone-hych-improves-assembly-of-the-formate-hydrogenlyase-complex
#11
Ute Lindenstrauß, Philipp Skorupa, Jennifer S McDowall, Frank Sargent, Constanze Pinske
The assembly of multi-protein complexes requires the concerted synthesis and maturation of its components and subsequently their co-ordinated interaction. The membrane-bound formate hydrogenlyase (FHL) complex is the primary hydrogen-producing enzyme in Escherichia coli and is composed of seven subunits mostly encoded within the hycA-I operon for [NiFe]-hydrogenase-3 (Hyd-3). The HycH protein is predicted to have an accessory function and is not part of the final structural FHL complex. In this work, a mutant strain devoid of HycH was characterized and found to have significantly reduced FHL activity due to instability of the electron transfer subunits...
July 17, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28718189/-health-related-quality-of-life-self-esteem-and-health-behaviour-on-average-6-years-after-an-obesity-outpatient-lifestyle-program
#12
Ingo Menrath, Angelika Gminder, Olaf Hiort, Ute Thyen
Background Multimodal programs focusing on weight reduction are recommended in guidelines for the treatment of obese children. However, studies investigating the effects of such programs over time are still missing; there is especially a lack of studies considering longer periods after treatment. In the present study, adolescents' bodyweight, health-related quality of life (HRQoL), self-esteem and health behavior were assessed before and directly after the treatment as well as 3 years after the treatment. Methods Between 2005 and 2009 84 children and adolescents took part in a 10-month, multimodal training programme...
July 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28717625/assessment-of-different-fitting-methods-for-in-vivo-bi-component-t2-analysis-of-human-patellar-tendon-in-magnetic-resonance-imaging
#13
Fang Liu, Richard Kijowski
PURPOSE: To investigate the robustness of four fitting methods for bi-component effective spin-spin T2 (T2(*)) relaxation time analysis of human patellar tendon. METHODS: A three-dimensional (3D) cone ultra-short echo-time (UTE) sequence was performed on the knees of ten healthy volunteers at 3.0T. Four fitting methods incorporating either Gaussian or Rician noise distribution were used for voxel-by-voxel bi-component T2(*) analysis of the patellar tendon. The T2(*) for the short relaxing (T(*)*,s ) and long relaxing (T(*)2,l ) water components and the fraction of the short relaxing water component (fs ) were measured, and different fitting methods were compared using Friedman's and Wilcoxon signed rank tests...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28716861/allogeneic-hematopoietic-cell-transplantation-for-high-risk-cll-10-year-follow-up-of-the-gcllsg-cll3x-trial
#14
Isabelle Krämer, Stephan Stilgenbauer, Sascha Dietrich, Sebastian Böttcher, Matthias Zeis, Michael Stadler, Jörg Bittenbring, Lutz Uharek, Christof Scheid, Ute Hegenbart, Anthony Ho, Michael Hallek, Michael Kneba, Norbert Schmitz, Hartmut Döhner, Peter Dreger
No abstract text is available yet for this article.
July 17, 2017: Blood
https://www.readbyqxmd.com/read/28716680/three-dimensional-adiabatic-inversion-recovery-prepared-ultrashort-echo-time-cones-3d-ir-ute-cones-imaging-of-cortical-bone-in-the-hip
#15
Amin Nazaran, Michael Carl, Yajun Ma, Saeed Jerban, Yanchun Zhu, Xing Lu, Jiang Du, Eric Y Chang
PURPOSE: We present three-dimensional adiabatic inversion recovery prepared ultrashort echo time Cones (3D IR-UTE-Cones) imaging of cortical bone in the hip of healthy volunteers using a clinical 3T scanner. METHODS: A 3D IR-UTE-Cones sequence, based on a short pulse excitation followed by a 3D Cones trajectory, with a nominal TE of 32μs, was employed for high contrast morphological imaging of cortical bone in the hip of heathy volunteers. Signals from soft tissues such as muscle and marrow fat were suppressed via adiabatic inversion and signal nulling...
July 14, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28715041/diagnostic-single-gene-analyses-beyond-sanger-economic-high-throughput-sequencing-of-small-genes-involved-in-congenital-coagulation-and-platelet-disorders
#16
Juliane Najm, Matthias Rath, Winnie Schröder, Ute Felbor
Molecular testing of congenital coagulation and platelet disorders offers confirmation of clinical diagnoses, supports genetic counselling, and enables predictive and prenatal diagnosis. In some cases, genotype-phenotype correlations are important for predicting the clinical course of the disease and adaptation of individualized therapy. Until recently, genotyping has been mainly performed by Sanger sequencing. While next generation sequencing (NGS) enables the parallel analysis of multiple genes, the cost-value ratio of custom-made panels can be unfavorable for analyses of specific small genes...
July 17, 2017: Hämostaseologie
https://www.readbyqxmd.com/read/28714697/molybdenum-oxide-nitrides-of-the-mo2-o-n-%C3%A2-5-type-on-the-way-to-mo2o5
#17
Dominik Weber, Manop Huber, Tatiana E Gorelik, Artem M Abakumov, Nils Becker, Oliver Niehaus, Christian Schwickert, Sean P Culver, Hans Boysen, Anatoliy Senyshyn, Rainer Pöttgen, Richard Dronskowski, Thorsten Ressler, Ute Kolb, Martin Lerch
Blue-colored molybdenum oxide nitrides of the Mo2(O,N,□)5 type were synthesized by direct nitridation of commercially available molybdenum trioxide with a mixture of gaseous ammonia and oxygen. Chemical composition, crystal structure, and stability of the obtained and hitherto unknown compounds are studied extensively. The average oxidation state of +5 for molybdenum is proven by Mo K near-edge X-ray absorption spectroscopy; the magnetic behavior is in agreement with compounds exhibiting Mo(V)O6 units. The new materials are stable up to ∼773 K in an inert gas atmosphere...
July 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28713390/hematopoietic-stem-cell-transplantation-in-an-infant-with-immunodeficiency-centromeric-instability-and-facial-anomaly-syndrome
#18
Katharina L Gössling, Cyrill Schipp, Ute Fischer, Florian Babor, Gerhard Koch, Friedhelm R Schuster, Jutta Dietzel-Dahmen, Dagmar Wieczorek, Arndt Borkhardt, Roland Meisel, Michaela Kuhlen
Immunodeficiency, centromeric instability, and facial anomaly (ICF) syndrome is a rare autosomal recessive genetic condition with severe immunodeficiency, which leads to lethal infections if not recognized and treated in early childhood. Up-to-date treatment regimens consist of prophylactic and supportive treatment of the recurrent infections. Here, we report the case of a 1-year-old boy of Moroccan consanguineous parents, who was diagnosed at 4 months of age with ICF syndrome with a homozygous missense mutation in the DNMT3B gene...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28710516/perspectives-and-challenges-of-photon-upconversion-nanoparticles-part-i-routes-to-brighter-particles-and-quantitative-spectroscopic-studies
#19
REVIEW
Ute Resch-Genger, Hans H Gorris
Lanthanide-doped photon-upconversion nanoparticles (UCNPs) have been the focus of many research activities in materials and life sciences in the last 15 years because of their potential to convert light between different spectral regions and their unique photophysical properties. To fully exploit the application potential of these fascinating nanomaterials, a number of challenges have to be overcome, such as the low brightness, particularly of small UCNPs, and the reliable quantification of the excitation-power-density-dependent upconversion luminescence...
July 14, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28706282/retinal-degeneration-in-progressive-supranuclear-palsy-measured-by-optical-coherence-tomography-and-scanning-laser-polarimetry
#20
Birthe Stemplewitz, Robert Kromer, Eik Vettorazzi, Ute Hidding, Andreas Frings, Carsten Buhmann
This cross-sectional study compared the retinal morphology between patients with progressive supranuclear palsy (PSP) and healthy controls. (The retinal nerve fiber layer (RNFL) around the optic disc and the retina in the macular area of 22 PSP patients and 151 controls were investigated by spectral domain optical coherence tomography (SD-OCT). Additionally, the RNFL and the nerve fiber index (NFI) were measured by scanning laser polarimetry (SLP). Results of RNFL measurements with SD-OCT and SLP were compared to assess diagnostic discriminatory power...
July 13, 2017: Scientific Reports
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