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https://www.readbyqxmd.com/read/28314689/dna-methylation-based-classification-and-grading-system-for-meningioma-a-multicentre-retrospective-analysis
#1
Felix Sahm, Daniel Schrimpf, Damian Stichel, David T W Jones, Thomas Hielscher, Sebastian Schefzyk, Konstantin Okonechnikov, Christian Koelsche, David E Reuss, David Capper, Dominik Sturm, Hans-Georg Wirsching, Anna Sophie Berghoff, Peter Baumgarten, Annekathrin Kratz, Kristin Huang, Annika K Wefers, Volker Hovestadt, Martin Sill, Hayley P Ellis, Kathreena M Kurian, Ali Fuat Okuducu, Christine Jungk, Katharina Drueschler, Matthias Schick, Melanie Bewerunge-Hudler, Christian Mawrin, Marcel Seiz-Rosenhagen, Ralf Ketter, Matthias Simon, Manfred Westphal, Katrin Lamszus, Albert Becker, Arend Koch, Jens Schittenhelm, Elisabeth J Rushing, V Peter Collins, Stefanie Brehmer, Lukas Chavez, Michael Platten, Daniel Hänggi, Andreas Unterberg, Werner Paulus, Wolfgang Wick, Stefan M Pfister, Michel Mittelbronn, Matthias Preusser, Christel Herold-Mende, Michael Weller, Andreas von Deimling
BACKGROUND: The WHO classification of brain tumours describes 15 subtypes of meningioma. Nine of these subtypes are allotted to WHO grade I, and three each to grade II and grade III. Grading is based solely on histology, with an absence of molecular markers. Although the existing classification and grading approach is of prognostic value, it harbours shortcomings such as ill-defined parameters for subtypes and grading criteria prone to arbitrary judgment. In this study, we aimed for a comprehensive characterisation of the entire molecular genetic landscape of meningioma to identify biologically and clinically relevant subgroups...
March 14, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28304337/inertial-motion-capture-costume-design-study
#2
Agnieszka Szczęsna, Przemysław Skurowski, Ewa Lach, Przemysław Pruszowski, Damian Pęszor, Marcin Paszkuta, Janusz Słupik, Kamil Lebek, Mateusz Janiak, Andrzej Polański, Konrad Wojciechowski
The paper describes a scalable, wearable multi-sensor system for motion capture based on inertial measurement units (IMUs). Such a unit is composed of accelerometer, gyroscope and magnetometer. The final quality of an obtained motion arises from all the individual parts of the described system. The proposed system is a sequence of the following stages: sensor data acquisition, sensor orientation estimation, system calibration, pose estimation and data visualisation. The construction of the system's architecture with the dataflow programming paradigm makes it easy to add, remove and replace the data processing steps...
March 17, 2017: Sensors
https://www.readbyqxmd.com/read/28303898/circulating-tumour-dna-reflects-treatment-response-and-clonal-evolution-in-chronic-lymphocytic-leukaemia
#3
Paul Yeh, Tane Hunter, Devbarna Sinha, Sarah Ftouni, Elise Wallach, Damian Jiang, Yih-Chih Chan, Stephen Q Wong, Maria Joao Silva, Ravikiran Vedururu, Kenneth Doig, Enid Lam, Gisela Mir Arnau, Timothy Semple, Meaghan Wall, Andjelija Zivanovic, Rishu Agarwal, Pasquale Petrone, Kate Jones, David Westerman, Piers Blombery, John F Seymour, Anthony T Papenfuss, Mark A Dawson, Constantine S Tam, Sarah-Jane Dawson
Several novel therapeutics are poised to change the natural history of chronic lymphocytic leukaemia (CLL) and the increasing use of these therapies has highlighted limitations of traditional disease monitoring methods. Here we demonstrate that circulating tumour DNA (ctDNA) is readily detectable in patients with CLL. Importantly, ctDNA does not simply mirror the genomic information contained within circulating malignant lymphocytes but instead parallels changes across different disease compartments following treatment with novel therapies...
March 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28302110/beneficial-effects-of-a-coriolus-versicolor-based-vaginal-gel-on-cervical-epithelization-vaginal-microbiota-and-vaginal-health-a-pilot-study-in-asymptomatic-women
#4
Santiago Palacios, Fernando Losa, Damián Dexeus, Javier Cortés
BACKGROUND: To assess the effect of a 12-day treatment using a vaginal gel based on niosomes containing hyaluronic acid, ß-glucan, alpha-glucan oligosaccharide, Coriolus versicolor, Asian centella, Azadirachta indica and Aloe vera on vaginal microbiota, cervical epithelization and vaginal health. METHODS: Open-label, prospective pilot study conducted in asymptomatic women in daily practice. Cervical epithelization was evaluated by colposcopy using an ectopy epithelization score (from 5: no ectopy to 1: severe ectopy and bleeding), vaginal microbiota using the VaginaStatus-Diagnostic test (Instiüt für Mikroökologie, Herborn, Germany) and further rated by the investigator using a 5-point Liker scale (from 5: normal to 1: very severe deterioration in which all evaluated species were altered), and vaginal health using the Vaginal Health Index...
March 16, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28301423/no-adverse-safety-or-virological-changes-two-years-following-vorinostat-in-hiv-infected-individuals-on-antiretroviral-therapy
#5
Talia M Mota, Thomas A Rasmussen, Ajantha Rhodes, Surekha Tennakoon, Ashanti Dantanarayana, Fiona Wightman, Michelle Hagenauer, Janine Roney, Tim Spelman, Damian F J Purcell, James McMahon, Jennifer F Hoy, H Miles Prince, Julian H Elliott, Sharon R Lewin
OBJECTIVE: To determine the long term effects of vorinostat on safety and virological parameters in HIV-infected individuals on suppressive antiretroviral therapy (ART). DESIGN: Prospective longitudinal observational extended follow up of 20 HIV-infected individuals on ART previously enrolled in a clinical trial of daily vorinostat 400 mg for 14 days. Extended follow up included visits at 6, 12, 18 and 24 months post enrolment in the initial clinical trial. METHODS: Cell-associated unspliced (CA-US) HIV RNA, total HIV DNA and plasma HIV RNA were quantified by PCR and, CD4+ and CD8+ T cells quantified by flow cytometry...
March 15, 2017: AIDS
https://www.readbyqxmd.com/read/28301395/increased-anatomic-severity-in-appendicitis-is-associated-with-outcomes-in-a-south-african-population
#6
Matthew C Hernandez, Victor Y Kong, Johnathon M Aho, John L Bruce, Stephanie F Polites, Grant L Laing, Martin D Zielinski, Damian L Clarke
BACKGROUND: Severity of emergency general surgery diseases (EGS) has not been standardized until recently. The American Association for the Surgery of Trauma (AAST) proposed an anatomic severity grading system for EGS diseases to facilitate communication and quality comparisons between providers and hospitals. Previous work has demonstrated validity of the system for appendicitis in the United States. In order to demonstrate generalizability, we aim to externally validate this grading system in South African patients with appendicitis...
March 15, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28297945/multifractality-in-individual-honeybee-behavior-hints-at-colony-specific-social-cascades-reanalysis-of-radio-frequency-identification-data-from-five-different-colonies
#7
Nicole S Carver, Damian G Kelty-Stephen
Honeybees (Apis mellifera) exhibit complex coordination and interaction across multiple behaviors such as swarming. This coordination among honeybees in the same colony is remarkably similar to the concept of informational cascades. The multifractal geometry of cascades suggests that multifractal measures of individual honeybee activity might carry signatures of these colony-wide coordinations. The present work reanalyzes time stamps of entrances to and exits from the hive captured by radio-frequency identification (RFID) sensors reading RFID tags on individual bees...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28293534/near-infrared-fundus-autoflorescence-imaging-in-solar-retinopathy
#8
Maciej Czepita, Anna Machalińska, Damian Czepita
Solar retinopathy is a rare clinical entity caused by photochemical damage to the retinal pigment epithelium layer and photoreceptors of the fovea. Here we describe a case of a 33-year-old female patient diagnosed by near-infrared fundus autofluorescence imaging for signs of damage to the melanosomes of the retinal pigment epithelium of the fovea. The patient was advised to discontinue looking at the sun with the naked eye.
2017: GMS Ophthalmology Cases
https://www.readbyqxmd.com/read/28290227/outcome-after-craniotomy-for-recurrent-cranial-metastases
#9
Oliver Kennion, Damian Holliman
OBJECTIVE: To investigate the outcomes of patients with recurrent/progressive cranial metastases who underwent re-do craniotomy and to assess the utility of surgery as a treatment option. METHODS: A retrospective study was conducted assessing survival after re-do craniotomy for recurrent or progressive cranial metastases. 29 patients were identified between January 2006 and December 2013. Data was gathered from a prospective pathology database, patients' notes and electronic records...
March 14, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28288844/forced-vital-capacity-and-not-central-chemoreflex-predicts-maximal-hyperoxic-breath-hold-duration-in-elite-apneists
#10
Anthony R Bain, Otto F Barak, Ryan L Hoiland, Ivan Drvis, Damian M Bailey, Zeljko Dujic, Tanja Mijacika, Antoinette Santoro, Daniel K DeMasi, David B MacLeod, Philip N Ainslie
The determining mechanisms of a maximal hyperoxic apnea duration in elite apneists have remained unexplored. We tested the hypothesis that maximal hyperoxic apnea duration in elite apneists is related to forced vital capacity (FVC) but not the central chemoreflex (for CO2). Eleven elite apneists performed a maximal dry static-apnea with prior hyperoxic (100% oxygen) pre-breathing, and a central chemoreflex test via a hyperoxic re-breathing technique (hyperoxic-hypercapnic ventilatory response: HCVR); expressed as the increase in ventilation (pneumotachometry) per increase in arterial CO2 tension (PaCO2; radial artery)...
March 10, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28287872/development-of-a-modular-automated-system-for-maintenance-and-differentiation-of-adherent-human-pluripotent-stem-cells
#11
Duncan E Crombie, Maciej Daniszewski, Helena H Liang, Tejal Kulkarni, Fan Li, Grace E Lidgerwood, Alison Conquest, Damian Hernández, Sandy S Hung, Katherine P Gill, Elisabeth De Smit, Lisa S Kearns, Linda Clarke, Valentin M Sluch, Xitiz Chamling, Donald J Zack, Raymond C B Wong, Alex W Hewitt, Alice Pébay
Patient-specific induced pluripotent stem cells (iPSCs) have tremendous potential for development of regenerative medicine, disease modeling, and drug discovery. However, the processes of reprogramming, maintenance, and differentiation are labor intensive and subject to intertechnician variability. To address these issues, we established and optimized protocols to allow for the automated maintenance of reprogrammed somatic cells into iPSCs to enable the large-scale culture and passaging of human pluripotent stem cells (PSCs) using a customized TECAN Freedom EVO...
March 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28287404/mutations-in-%C3%AE-secretase-subunit-encoding-psenen-underlie-dowling-degos-disease-associated-with-acne-inversa
#12
Damian J Ralser, F Buket Ü Basmanav, Aylar Tafazzoli, Jade Wititsuwannakul, Sarah Delker, Sumita Danda, Holger Thiele, Sabrina Wolf, Michélle Busch, Susanne A Pulimood, Janine Altmüller, Peter Nürnberg, Didier Lacombe, Uwe Hillen, Jörg Wenzel, Jorge Frank, Benjamin Odermatt, Regina C Betz
Dowling-Degos disease (DDD) is an autosomal-dominant disorder of skin pigmentation associated with mutations in keratin 5 (KRT5), protein O-fucosyltransferase 1 (POFUT1), or protein O-glucosyltransferase 1 (POGLUT1). Here, we have identified 6 heterozygous truncating mutations in PSENEN, encoding presenilin enhancer protein 2, in 6 unrelated patients and families with DDD in whom mutations in KRT5, POFUT1, and POGLUT1 have been excluded. Further examination revealed that the histopathologic feature of follicular hyperkeratosis distinguished these 6 patients from previously studied individuals with DDD...
March 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28284538/the-policy-work-of-piloting-mobilising-and-managing-conflict-and-ambiguity-in-the-english-nhs
#13
Simon Bailey, Kath Checkland, Damian Hodgson, Anne McBride, Rebecca Elvey, Stephen Parkin, Katy Rothwell, Dean Pierides
In spite of their widespread use in policy making in the UK and elsewhere, there is a relatively sparse literature specifically devoted to policy pilots. Recent research on policy piloting has focused on the role of pilots in making policy work in accordance with national agendas. Taking this as a point of departure, the present paper develops the notion of pilots doing policy work. It does this by situating piloting within established theories of policy formulation and implementation, and illustrating using an empirical case...
February 3, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28284335/oxidative-modifications-of-blood-serum-proteins-in-myasthenia-gravis
#14
Monika Adamczyk-Sowa, Edyta Bieszczad-Bedrejczuk, Sabina Galiniak, Izabela Rozmiłowska, Damian Czyżewski, Grzegorz Bartosz, Izabela Sadowska-Bartosz
Myasthenia gravis (MG) is an autoimmune disease caused by production of antibodies against acetylcholine receptors of the neuromuscular junction (Ab). The aim of this study was to ascertain if oxidative stress accompanies MG by estimation of the several independent parameters of oxidative damage, mainly the levels of oxidative modifications of blood serum proteins. The group studied consisted of 50 MG patients (28 females and 22 males), 24 with ocular MG (OMG) and 26 with generalized MG (GMG), of mean age of 66...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28283497/direct-comparison-of-four-very-early-rule-out-strategies-for-acute-myocardial-infarction-using-high-sensitivity-cardiac-troponin-i
#15
Jasper Boeddinghaus, Thomas Nestelberger, Raphael Twerenbold, Karin Wildi, Patrick Badertscher, Janosch Cupa, Tobias Bürge, Patrick Mächler, Sydney Corbière, Karin Grimm, Maria Rubini Giménez, Christian Puelacher, Samyut Shrestha, Dayana Flores Widmer, Jakob Fuhrmann, Petra Hillinger, Zaid Sabti, Ursina Honegger, Nicolas Schaerli, Nikola Kozhuharov, Katharina Rentsch, Òscar Miró, Beatriz López Barbeito, F Javier Martin-Sanchez, Esther Rodriguez-Adrada, Beata Morawiec, Damian Kawecki, Eva Ganovská, Jiri Parenica, Jens Lohrmann, Wanda Kloos, Andreas Buser, Nicolas Geigy, Dagmar I Keller, Stefan Osswald, Tobias Reichlin, Christian Müller
Background -Four strategies for very early rule-out of acute myocardial infarction (AMI) using high-sensitivity cardiac troponin I (hs-cTnI) have been identified. It remains unclear which strategy is most attractive for clinical application. Methods -We prospectively enrolled unselected patients presenting to the emergency department (ED) with symptoms suggestive of AMI. The final diagnosis was adjudicated by two independent cardiologists. Hs-cTnI levels were measured at presentation and after 1h in a blinded fashion...
March 10, 2017: Circulation
https://www.readbyqxmd.com/read/28282939/oral-health-status-of-patients-with-lysosomal-storage-diseases-in-poland
#16
Damian Drążewski, Małgorzata Grzymisławska, Katarzyna Korybalska, Natasza Czepulis, Marian Grzymisławski, Janusz Witowski, Anna Surdacka
Patients with lysosomal storage diseases (LSDs) suffer from physical and mental disabilities, which together with poor access to professional care may lead to impaired oral health. This cross-sectional case-control study characterized the status of oral health in patients with LSDs in Poland. Thirty-six children and young adults with various forms of LSDs were examined. The data were compared with those from age- and sex-matched healthy controls. Exemplary cases were presented to highlight typical problems in oral care associated with LSDs...
March 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28282149/stability-and-vapor-pressure-of-aqueous-aggregates-and-aerosols-containing-a-monovalent-ion
#17
Yamila A Perez Sirkin, Matias H Factorovich, Valeria Molinero, Damian A Scherlis
The incidence of charged particles on the nucleation and the stability of aqueous aggregates and aerosols has been reported more than a century ago. Many studies have been conducted ever since to characterize the stability, structure, and nucleation barrier of ion-water droplets. Most of these studies have focused on the free-energy surface as a function of cluster size, with an emphasis in the role of ionic charge and radius. This knowledge is fundamental to go beyond the rudimentary ion induced classical nucleation theory...
March 10, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28280680/unilateral-pterional-polycraniosynostosis-treated-with-craniectomy-and-helmet-therapy
#18
Jenaleen Law, Damian D Marucci, Robert J Gates, Adam Fowler
Craniosynostosis is a condition in which one or more of the cranial sutures have fused prematurely, affecting the growth pattern and contours of the infant skull. The pterion is the junction of temporal, frontal, parietal, and sphenoid bones of the skull. We present a case of unilateral pterional craniosynostosis, which was treated with strip craniectomy and helmet therapy.
February 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28279344/pregnancy-related-immune-adaptation-promotes-the-emergence-of-highly-virulent-h1n1-influenza-virus-strains-in-allogenically-pregnant-mice
#19
Géraldine Engels, Alexandra Maximiliane Hierweger, Julia Hoffmann, René Thieme, Swantje Thiele, Stephanie Bertram, Carola Dreier, Patricia Resa-Infante, Henning Jacobsen, Kristin Thiele, Malik Alawi, Daniela Indenbirken, Adam Grundhoff, Svenja Siebels, Nicole Fischer, Violeta Stojanovska, Damián Muzzio, Federico Jensen, Khalil Karimi, Hans-Willi Mittrücker, Petra Clara Arck, Gülsah Gabriel
Pregnant women are at high risk for severe influenza disease outcomes, yet insights into the underlying mechanisms are limited. Here, we present models of H1N1 infection in syngenic and allogenic pregnant mice; infection in the latter mirrors the severe course of 2009 pandemic influenza in pregnant women. We found that the anti-viral immune response in the pregnant host was significantly restricted as compared to the non-pregnant host. This included a reduced type I interferon response as well as impaired migration of CD8(+) T cells into the lung...
March 8, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28278238/empirically-derived-guidance-for-social-scientists-to-influence-environmental-policy
#20
Nadine Marshall, Neil Adger, Simon Attwood, Katrina Brown, Charles Crissman, Christopher Cvitanovic, Cassandra De Young, Margaret Gooch, Craig James, Sabine Jessen, Dave Johnson, Paul Marshall, Sarah Park, Dave Wachenfeld, Damian Wrigley
Failure to stem trends of ecological disruption and associated loss of ecosystem services worldwide is partly due to the inadequate integration of the human dimension into environmental decision-making. Decision-makers need knowledge of the human dimension of resource systems and of the social consequences of decision-making if environmental management is to be effective and adaptive. Social scientists have a central role to play, but little guidance exists to help them influence decision-making processes. We distil 348 years of cumulative experience shared by 31 environmental experts across three continents into advice for social scientists seeking to increase their influence in the environmental policy arena...
2017: PloS One
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