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https://www.readbyqxmd.com/read/28725938/declining-radiation-dose-of-coronary-computed-tomography-angiography-german-cardiac-ct-registry-experience-2009-2014
#1
Axel Schmermund, Mohamed Marwan, Jörg Hausleiter, Sebastian Barth, Oliver Bruder, Sebastian Kerber, Grigorius Korosoglou, Alexander Leber, Werner Moshage, Stephen Schröder, Steffen Schneider, Jochen Senges, Stephan Achenbach
BACKGROUND: Coronary computed tomography angiography (CTA) is increasingly used as a test to rule out coronary artery disease (CAD) in patients with a low to intermediate pre-test probability of the disease. We used the database of the German CT registry, collected between 2009 and 2014 in a broad patient population, to analyze contemporary radiation dose associated with coronary CTA in clinical practice. PATIENTS AND METHODS: The prospective observational registry included a total of 7061 patients ≥18 years, referred to 12 participating centers for a clinically indicated cardiac CT examination...
July 19, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28724584/vcp-related-multisystem-proteinopathy-presenting-as-early-onset-parkinson-disease
#2
Martin Regensburger, Matthias Türk, Axel Pagenstecher, Rolf Schröder, Jürgen Winkler
No abstract text is available yet for this article.
July 19, 2017: Neurology
https://www.readbyqxmd.com/read/28723569/xiap-loss-triggers-ripk3-and-caspase-8-driven-il-1%C3%AE-activation-and-cell-death-as-a-consequence-of-tlr-myd88-induced-ciap1-traf2-degradation
#3
Kate E Lawlor, Rebecca Feltham, Monica Yabal, Stephanie A Conos, Kaiwen W Chen, Stephanie Ziehe, Carina Graß, Yifan Zhan, Tan A Nguyen, Cathrine Hall, Angelina J Vince, Simon M Chatfield, Damian B D'Silva, Kenneth C Pang, Kate Schroder, John Silke, David L Vaux, Philipp J Jost, James E Vince
X-linked Inhibitor of Apoptosis (XIAP) deficiency predisposes people to pathogen-associated hyperinflammation. Upon XIAP loss, Toll-like receptor (TLR) ligation triggers RIPK3-caspase-8-mediated IL-1β activation and death in myeloid cells. How XIAP suppresses these events remains unclear. Here, we show that TLR-MyD88 causes the proteasomal degradation of the related IAP, cIAP1, and its adaptor, TRAF2, by inducing TNF and TNF Receptor 2 (TNFR2) signaling. Genetically, we define that myeloid-specific cIAP1 loss promotes TLR-induced RIPK3-caspase-8 and IL-1β activity in the absence of XIAP...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28716715/functional-parcellation-using-time-courses-of-instantaneous-connectivity
#4
REVIEW
Erik S B van Oort, Maarten Mennes, Tobias Navarro Schröder, Vinod J Kumar, Nestor I Zaragoza Jimenez, Wolfgang Grodd, Christian F Doeller, Christian F Beckmann
Functional neuroimaging studies have led to understanding the brain as a collection of spatially segregated functional networks. It is thought that each of these networks is in turn composed of a set of distinct sub-regions that together support each network's function. Considering the sub-regions to be an essential part of the brain's functional architecture, several strategies have been put forward that aim at identifying the functional sub-units of the brain by means of functional parcellations. Current parcellation strategies typically employ a bottom-up strategy, creating a parcellation by clustering smaller units...
July 14, 2017: NeuroImage
https://www.readbyqxmd.com/read/28715695/new-liver-cancer-biomarkers-pi3k-akt-mtor-pathway-members-and-eukaryotic-translation-initiation-factors
#5
Nicole Golob-Schwarzl, Stefanie Krassnig, Anna M Toeglhofer, Young Nyun Park, Margit Gogg-Kamerer, Klemens Vierlinger, Fabian Schröder, Hyungjn Rhee, Rudolf Schicho, Peter Fickert, Johannes Haybaeck
Hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide. The initiation of protein translation is an important rate-limiting step in eukaryotes and is crucial in many viral infections. Eukaryotic translation initiation factors (eIFs) are involved in the initiation step of protein translation and are linked to the phosphatidylinositol-3-kinases PI3K/AKT/mTOR pathway. Therefore we aimed to investigate a potential role of eIFs in HCC. We herein report on the immunohistochemical expression of the various eIF subunits in 235 cases of virus-related human HCC...
July 14, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28715662/preaged-remodeling-of-myofibrillar-cytoarchitecture-in-skeletal-muscle-expressing-r349p-mutant-desmin
#6
Stefanie Diermeier, Andreas Buttgereit, Sebastian Schürmann, Lilli Winter, Hongyang Xu, Robyn M Murphy, Christoph S Clemen, Rolf Schröder, Oliver Friedrich
The majority of hereditary and acquired myopathies are clinically characterized by progressive muscle weakness. We hypothesized that ongoing derangement of skeletal muscle cytoarchitecture at the single fiber level may precede and be responsible for the progressive muscle weakness. Here, we analyzed the effects of aging in wild-type (wt) and heterozygous (het) and homozygous (hom) R349P desmin knock-in mice. The latter harbor the ortholog of the most frequently encountered human R350P desmin missense mutation...
June 13, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28711828/thioglycolate-based-task-specific-ionic-liquids-metal-extraction-abilities-vs-acute-algal-toxicity
#7
Sonja Platzer, Raphlin Leyma, Sara Wolske, Wolfgang Kandioller, Esther Heid, Christian Schröder, Michael Schagerl, Regina Krachler, Franz Jirsa, Bernhard K Keppler
We studied the extraction behavior of two thioglycolate-based ionic liquids (ILs), for heavy metals from aqueous solutions; substances of interest were methyltrioctylammonium S-hexyl thioglycolate [N1888][C6SAc] and methyltrioctylphosphonium S-hexyl thioglycolate [P1888][C6SAc]. Theses ILs previously have shown very good extraction abilities towards cadmium and copper, therefore we investigated time-dependent metal removal experiments with aqueous solutions of cobalt(II), nickel(II) and zinc(II). The highest distribution ratio (RIL/Water) was determined for zinc (RIL/Water=2000)...
June 23, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28711750/web-based-tailored-psycho-education-for-breast-cancer-patients-at-the-onset-of-the-survivorship-phase-a-multicenter-randomized-controlled-trial
#8
Jolien M Admiraal, Annette W G van der Velden, Jenske I Geerling, Johannes G M Burgerhof, Grietje Bouma, Annemiek M E Walenkamp, Elisabeth G E de Vries, Carolien P Schröder, Anna K L Reyners
CONTEXT: Many breast cancer patients have unmet informational and psychosocial needs after treatment completion. A psycho-educational intervention may be well-suited to support these patients. OBJECTIVES: The purpose of this multicenter randomized controlled trial was to examine the effectiveness of a web-based tailored psycho-educational program (ENCOURAGE) for breast cancer patients which aims to empower patients to take control over prevailing problems. METHODS: Female breast cancer patients from two hospitals in the Netherlands who recently completed (neo-)adjuvant chemotherapy were randomly assigned to standard care or 12-week access to the ENCOURAGE program providing fully automated information, problem-solving strategies, resources and services for reported problems...
July 12, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28710212/does-recruitment-source-moderate-treatment-effectiveness-a-subgroup-analysis-from-the-evident-study-a-randomised-controlled-trial-of-an-internet-intervention-for-depressive-symptoms
#9
Jan Philipp Klein, Carla Gamon, Christina Späth, Thomas Berger, Björn Meyer, Fritz Hohagen, Martin Hautzinger, Wolfgang Lutz, Eik Vettorazzi, Steffen Moritz, Johanna Schröder
OBJECTIVE: This study aims to examine whether the effects of internet interventions for depression generalise to participants recruited in clinical settings. DESIGN: This study uses subgroup analysis of the results of a randomised, controlled, single-blind trial. SETTING: The study takes place in five diagnostic centres in Germany. PARTICIPANTS: A total of 1013 people with mild to moderate depressive symptoms were recruited from clinical sources as well as internet forums, statutory insurance companies and other sources...
July 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28710114/circadian-rhythm-disruption-impairs-tissue-homeostasis-and-exacerbates-chronic-inflammation-in-the-intestine
#10
René Pagel, Florian Bär, Torsten Schröder, Annika Sünderhauf, Axel Künstner, Saleh M Ibrahim, Stella E Autenrieth, Kathrin Kalies, Peter König, Anthony H Tsang, Dominik Bettenworth, Senad Divanovic, Hendrik Lehnert, Klaus Fellermann, Henrik Oster, Stefanie Derer, Christian Sina
Endogenous circadian clocks regulate 24 h rhythms of physiology and behavior. Circadian rhythm disruption (CRD) is suggested as a risk factor for inflammatory bowel disease. However, the underlying molecular mechanisms remain unknown. Intestinal biopsies from Per1/2 mutant and wild-type (WT) mice were investigated by electron microscopy, immunohistochemistry, and bromodeoxyuridine pulse-chase experiments. TNF-α was injected intraperitoneally, with or without necrostatin-1, into Per1/2 mice or rhythmic and externally desynchronized WT mice to study intestinal epithelial cell death...
July 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28701692/next-generation-driver-for-attosecond-and-laser-plasma-physics
#11
D E Rivas, A Borot, D E Cardenas, G Marcus, X Gu, D Herrmann, J Xu, J Tan, D Kormin, G Ma, W Dallari, G D Tsakiris, I B Földes, S-W Chou, M Weidman, B Bergues, T Wittmann, H Schröder, P Tzallas, D Charalambidis, O Razskazovskaya, V Pervak, F Krausz, L Veisz
The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers. However, the energy limitation of these lasers supports only weak sources and correspondingly linear attosecond studies. Here we report on an optical parametric synthesizer designed for nonlinear attosecond optics and relativistic laser-plasma physics. This synthesizer uniquely combines ultra-relativistic focused intensities of about 10(20) W/cm(2) with a pulse duration of sub-two carrier-wave cycles...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28699977/pacemaker-implants-in-children-and-adolescents-with-chagas-disease-in-brazil-18-year-incidence
#12
Carolina Christianini Mizzaci, Thiago Gonçalves Schroder E Souza, Gabriel Pelegrineti Targueta, Ana Paula Frederico Tótora, Juan Carlos Pachón Mateos, José Carlos Pachon Mateos
Background: Chagas disease continues to be a serious public health problem, and accounts for 25-30% of the indications for cardiac stimulation in Brazil. Objective: To assess clinical and epidemiological characteristics of patients with Chagas disease, younger than 18 years, who had undergone pacemaker implantation in Brazil between 1994 and 2011, and its temporal trend. Methods: This was a cross-sectional analysis of data from the Brazilian Pacemaker Registry database...
June 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28697522/childhood-vaccination-against-seasonal-influenza-to-reduce-the-overall-burden-of-disease-ethical-perspectives
#13
Kyriakos Martakis, Kruthika Thangavelu, Peter Schröder-Bäck
Introduction Childhood immunisation against seasonal influenza promises to reduce the burden of disease through herd immunity. The option of intranasal vaccination seemed to offer a more acceptable vaccination for children, as they are perceived to be less invasive. Yet, intranasal vaccines have been recently proven not to be as effective as presumed. In Germany, contradictory recommendations of the Standing Committee on Vaccination (STIKO) first, to use and then, in October 2016, not use these vaccines have been issued for the 2016-2017 season, whereas recommendations not to use them were already issued in the USA (CDC, ACIP)...
July 11, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28689129/the-potential-implications-of-reclaimed-wastewater-reuse-for-irrigation-on-the-agricultural-environment-the-knowns-and-unknowns-of-the-fate-of-antibiotics-and-antibiotic-resistant-bacteria%C3%A2-and-resistance-genes-a-review
#14
REVIEW
Anastasis Christou, Ana Agüera, Josep Maria Bayona, Eddie Cytryn, Vasileios Fotopoulos, Dimitra Lambropoulou, Célia M Manaia, Costas Michael, Mike Revitt, Peter Schröder, Despo Fatta-Kassinos
The use of reclaimed wastewater (RWW) for the irrigation of crops may result in the continuous exposure of the agricultural environment to antibiotics, antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs). In recent years, certain evidence indicate that antibiotics and resistance genes may become disseminated in agricultural soils as a result of the amendment with manure and biosolids and irrigation with RWW. Antibiotic residues and other contaminants may undergo sorption/desorption and transformation processes (both biotic and abiotic), and have the potential to affect the soil microbiota...
July 3, 2017: Water Research
https://www.readbyqxmd.com/read/28687622/polyphosphate-as-donor-of-high-energy-phosphate-for-the-synthesis-of-adp-and-atp
#15
Werner E G Müller, Shunfeng Wang, Meik Neufurth, Maria Kokkinopoulou, Qingling Feng, Heinz C Schröder, Xiaohong Wang
We studied the potential role of inorganic polyphosphate (polyP) as an energy source for ADP and ATP formation in the extracellular space. Using SaOS-2 we show that matrix vesicles are released into the extracellular space after incubation with polyP. These vesicles contain both the alkaline phosphatase (ALP) and the adenylate kinase (AK). Both enzymes translocate to the cell membrane in response to polyP. To distinguish the process(es) (i) AMP and ADP formation during ALP hydrolysis, from the (ii) ATP generation via the AK reaction, inhibition studies with the AK inhibitor A(5')P5(5')A were performed...
July 7, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28681454/human-monocytes-downregulate-innate-response-receptors-following-exposure-to-the-microbial-metabolite-n-butyrate
#16
Felix Lasitschka, Thomas Giese, Marco Paparella, Stefan R Kurzhals, Guido Wabnitz, Katrin Jacob, Judith Gras, Konrad A Bode, Anne-Kristin Heninger, Timea Sziskzai, Yvonne Samstag, Cornelia Leszinski, Bettina Jocher, Mohammed Al-Saeedi, Stefan C Meuer, Jutta Schröder-Braunstein
INTRODUCTION: Hyporesponsiveness of human lamina propria immune cells to microbial and nutritional antigens represents one important feature of intestinal homeostasis. It is at least partially mediated by low expression of the innate response receptors CD11b, CD14, CD16 as well as the cystine-glutamate transporter xCT on these cells. Milieu-specific mechanisms leading to the down-regulation of these receptors on circulating monocytes, the precursor cells of resident macrophages, are mostly unknown...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28681088/mediolateral-femoral-component-position-in-tka-significantly-alters-patella-shift-and-femoral-roll-back
#17
Arnd Steinbrück, Christian Schröder, Matthias Woiczinski, Florian Schmidutz, Peter E Müller, Volkmar Jansson, Andreas Fottner
PURPOSE: Increased retropatellar pressure and altered kinematics are associated with anterior knee pain and unsatisfied patients after total knee arthroplasty (TKA). Since malposition of the implant is believed to contribute to postoperative pain, we performed this in vitro study to evaluate the influence of mediolateral femoral component position on retropatellar pressure as well as tibio-femoral and patella kinematics. METHODS: For the test, a fixed-bearing TKA was implanted in eight fresh frozen cadaver specimens...
July 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28680426/the-influence-of-land-use-intensity-on-the-plant-associated-microbiome-of-dactylis-glomerata-l
#18
Jennifer Estendorfer, Barbara Stempfhuber, Paula Haury, Gisle Vestergaard, Matthias C Rillig, Jasmin Joshi, Peter Schröder, Michael Schloter
In this study, we investigated the impact of different land use intensities (LUI) on the root-associated microbiome of Dactylis glomerata (orchardgrass). For this purpose, eight sampling sites with different land use intensity levels but comparable soil properties were selected in the southwest of Germany. Experimental plots covered land use levels from natural grassland up to intensively managed meadows. We used 16S rRNA gene based barcoding to assess the plant-associated community structure in the endosphere, rhizosphere and bulk soil of D...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28679670/psoriasiform-skin-disease-in-transgenic-pigs-with-high-copy-ectopic-expression-of-human-integrins-%C3%AE-2-and-%C3%AE-1
#19
Nicklas Heine Staunstrup, Karin Stenderup, Sidsel Mortensen, Maria Nascimento Primo, Cecilia Rosada, Torben Steiniche, Ying Liu, Rong Li, Mette Schmidt, Stig Purup, Frederik Dagnæs-Hansen, Lisbeth Dahl Schrøder, Lars Svensson, Thomas Kongstad Petersen, Henrik Callesen, Lars Bolund, Jacob Giehm Mikkelsen
Psoriasis is a complex human-specific disease characterized by perturbed keratinocyte proliferation and a pro-inflammatory environment in the skin. Porcine skin architecture and immunity are very similar to that in humans, rendering the pig a suitable animal model for studying the biology and treatment of psoriasis. Expression of integrins, which is normally confined to the basal layer of the epidermis, is maintained in suprabasal keratinocytes in psoriatic skin, modulating proliferation and differentiation as well as leukocyte infiltration...
July 1, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28678390/natural-product-withanolide-inspired-small-molecules-as-potent-inhibitors-of-wnt-signaling
#20
Herbert Waldmann, Michael Sheremet, Shobhna Kapoor, Peter Schröder, Kamal Kumar, Slava Ziegler
Wnt signaling is a fundamental pathway that drives embryonic development and is essential for stem cell maintenance and tissue homeostasis. Dysregulation of Wnt signaling is linked to various diseases and a constitutively active Wnt pathway drives tumorigenesis. Thus, disruption of the Wnt response is deemed a promising strategy for cancer drug discovery. However, only few clinical drug candidates that target Wnt signaling are available so far and new small molecules modulators of Wnt-related processes are in high demand...
July 5, 2017: Chembiochem: a European Journal of Chemical Biology
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