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https://www.readbyqxmd.com/read/28445914/clinical-significance-of-intraluminal-contrast-enhancement-in-patients-with-spontaneous-cervical-artery-dissection-a%C3%A2-black-blood-mri-study
#1
Eva Coppenrath, Olga Lenz, Nora Sommer, Nina Lummel, Jennifer Linn, Karla Treitl, Fabian Bamberg, Maximilian Reiser, Thomas Pfefferkorn, Tobias Saam
Purpose Recent studies have suggested that intraluminal thrombi show contrast enhancement on carotid black-blood T1w MRI. The aim of this study was to evaluate the significance of intraluminal contrast enhancement (iCE) regarding symptom status in patients with spontaneous cervical artery dissection (sCAD). Methods 33 consecutive patients (19 men) with sCAD received a brain MRI (DIFF, T2w, T2*w, FLAIR) and a multi-sequence 3T-MRI with fat-saturated high-resolution black-blood T1w-sequences pre- and post-contrast, contrast-enhanced MR angiography and TOF images of carotid and vertebral arteries...
April 26, 2017: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/28445907/-acceptance-of-emotion-sensitive-training-systems-of-individuals-suffering-from-facial-paralysis-and-their-relatives
#2
Uwe Altmann, Susanne Worrack, Magdalena C Kaczmarek, Julia Mühleck, Gerd Fabian Volk, Orlando Guntinas-Lichius, Bernhard M Strauß
No abstract text is available yet for this article.
April 26, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28444120/premenopausal-hysterectomy-and-risk-of-ovarian-cancer-in-african-american-women
#3
Lauren C Peres, Anthony J Alberg, Elisa V Bandera, Jill Barnholtz-Sloan, Melissa Bondy, Michele L Cote, Ellen Funkhouser, Patricia G Moorman, Edward S Peters, Ann G Schwartz, Paul D Terry, Sarah E Abbott, Fabian Camacho, Frances Wang, Joellen M Schildkraut
Although the inverse association between hysterectomy and epithelial ovarian cancer (EOC) was considered well established, investigators in recent studies including women diagnosed after 2000 have observed modest increases in risk. Most studies have been conducted in white women with little representation of African-American women. We examined the relationship between premenopausal hysterectomy and EOC in African-American women and explored whether hormone therapy (HT) modified this association in 614 cases and 743 controls enrolled in the African American Cancer Epidemiology Study (2010-2015)...
April 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28444119/spatial-variability-in-adhd-related-behaviors-among-children-born-to-mothers-residing-near-the-new-bedford-harbor-superfund-site
#4
Verónica M Vieira, M Patricia Fabian, Thomas F Webster, Jonathan I Levy, Susan A Korrick
Attention-deficit/hyperactivity disorder (ADHD) has an uncertain etiology, with potential contributions from different risk factors such as prenatal environmental exposure to organochlorines and metals, social risk factors, and genetics. The degree to which geographic variability in ADHD is independent of, or explained by, risk factors may provide etiological insight. We investigated determinants of geographic variation in ADHD-related behaviors among children living near the polychlorinated biphenyl-contaminated New Bedford Harbor (NBH) Superfund site in Massachusetts...
April 24, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28442605/the-toll-like-receptor-4-antagonist-eritoran-protects-mice-from-lethal-filovirus-challenge
#5
Patrick Younan, Palaniappan Ramanathan, Jessica Graber, Fabian Gusovsky, Alexander Bukreyev
The 2013-2016 outbreak of Ebola virus (EBOV) in West Africa, which has seen intermittent reemergence since it was officially declared over in February of 2016, has demonstrated the need for the rapid development of therapeutic intervention strategies. Indirect evidence has suggested that the EBOV infection shares several commonalities associated with the onset of bacterial sepsis, including the development of a "cytokine storm." Eritoran, a Toll-like receptor 4 (TLR4) antagonist, was previously shown to result in protection of mice against lethal influenza virus infection...
April 25, 2017: MBio
https://www.readbyqxmd.com/read/28442499/absorption-distribution-metabolism-and-excretion-of-the-oral-prostaglandin-d2-receptor-2-dp2-antagonist-fevipiprant-qaw039-in-healthy-volunteers-and-in-vitro
#6
David Pearson, H Markus Weiss, Yi Jin, Jan Jaap van Lier, Veit J Erpenbeck, Ulrike Glaenzel, Peter End, Ralph Woessner, Fabian Eggimann, Gian Camenisch
Fevipiprant is a novel oral prostaglandin D2 receptor 2 (DP2; also known as CRTh2) antagonist, which is currently in development for the treatment of severe asthma and atopic dermatitis. We investigated the absorption, distribution, metabolism, and excretion properties of fevipiprant in healthy subjects after a single 200 mg oral dose of [(14)C]-radiolabeled fevipiprant. Fevipiprant and metabolites were analyzed by liquid chromatography coupled to tandem mass spectrometry and radioactivity measurements, and mechanistic in vitro studies were performed to investigate clearance pathways and covalent plasma protein binding...
April 25, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28442204/out-of-hospital-thoracotomy-for-cardiac-arrest-after-penetrating-thoracic-trauma
#7
Mark G Van Vledder, Oscar J F Van Waes, Fabian O Kooij, Joost H Peters, Esther M M Van Lieshout, Michael H J Verhofstad
INTRODUCTION: Emergency department thoracotomy is an established procedure for cardiac arrest in patients suffering from penetrating thoracic trauma and yields relatively high survival rates (up to 21%) in patients with cardiac tamponade. To minimize the delay between arrest and thoracotomy, some have advocated thoracotomy on the accident scene. The aim of this study was to determine the proportion of patients with return of spontaneous circulation and subsequent survival after out of hospital thoracotomy in the Netherlands...
April 15, 2017: Injury
https://www.readbyqxmd.com/read/28441934/health-literacy-in-childhood-and-youth-a-systematic-review-of-definitions-and-models
#8
Janine Bröder, Orkan Okan, Ullich Bauer, Dirk Bruland, Sandra Schlupp, Torsten M Bollweg, Luis Saboga-Nunes, Emma Bond, Kristine Sørensen, Eva-Maria Bitzer, Susanne Jordan, Olga Domanska, Christiane Firnges, Graça S Carvalho, Uwe H Bittlingmayer, Diane Levin-Zamir, Jürgen Pelikan, Diana Sahrai, Albert Lenz, Patricia Wahl, Malcolm Thomas, Fabian Kessl, Paulo Pinheiro
BACKGROUND: Children and young people constitute a core target group for health literacy research and practice: during childhood and youth, fundamental cognitive, physical and emotional development processes take place and health-related behaviours and skills develop. However, there is limited knowledge and academic consensus regarding the abilities and knowledge a child or young person should possess for making sound health decisions. The research presented in this review addresses this gap by providing an overview and synthesis of current understandings of health literacy in childhood and youth...
April 26, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28441489/a-comparison-of-gasoline-direct-injection-gdi-and-port-fuel-injection-pfi-vehicle-emissions-emission-certification-standards-cold-start-secondary-organic-aerosol-formation-potential-and-potential-climate-impacts
#9
Georges Saliba, Rawad Saleh, Yunliang Zhao, Albert A Presto, Andrew T Lambe, Bruce Frodin, Satya Sardar, Hector Maldonado, Christine Maddox, Andrew A May, Greg T Drozd, Allen H Goldstein, Lynn M Russell, Fabian P Hagen, Allen L Robinson
Recent increases in the Corporate Average Fuel Economy standards have led to widespread adoption of vehicles equipped with gasoline direct injection (GDI) engines. Changes in engine technologies can alter emissions. To quantify these effects, we measured gas- and particle-phase emissions from eighty-two light duty gasoline vehicles recruited from the California in-use fleet tested on a chassis dynamometer using the cold-start unified cycle. The fleet included 15 GDI vehicles, including 8 GDIs certified to the most stringent emissions standard, super-ultra-low-emission vehicles (SULEV)...
April 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28441005/plasma-activated-copper-nanocube-catalysts-for-efficient-carbon-dioxide-electroreduction-to-hydrocarbons-and-alcohols
#10
Dunfeng Gao, Ioannis Zegkinoglou, Nuria J Divins, Fabian Scholten, Ilya Sinev, Philipp Grosse, Beatriz Roldan Cuenya
Carbon dioxide electroreduction to chemicals and fuels powered by renewable energy sources is considered a promising path to address climate change and energy storage needs. We have developed highly active and selective copper (Cu) nanocube catalysts with tunable Cu(100) facet and oxygen/chlorine ion content by low-pressure plasma pre-treatments. These catalysts display lower overpotentials and higher ethylene, ethanol and n-propanol selectivity, resulting in a maximum Faradaic efficiency (FE) of ~73% for C2 and C3 products...
April 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28439878/dissecting-and-modelling-the-emergent-murine-tec-compartment-during-ontogeny
#11
Fabian Brunk, Chloé Michel, Tim Holland-Letz, Alla Slynko, Annette Kopp-Schneider, Bruno Kyewski, Sheena Pinto
The origin of the thymic epithelium, i.e. the cortical (cTEC) and medullary (mTEC) epithelial cells, from bipotent stem cells through TEC progenitors and lineage-specific progeny still remains poorly understood. We sought to obtain an unbiased view of the incipient emergence of TEC subsets by following embryonic TEC development based on co-expression of EpCAM, CD80 and MHC class II (MHCII) on non-hematopoietic (CD45(-) ) thymic stromal cells in wild-type BL6 mice. Using a combination of ex vivo analysis, Re-aggregate Thymic Organ Culture (RTOC) reconstitution assays and mathematical modelling, we traced emergent lineage commitment in murine embryonic TECs...
April 25, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28439267/pulmonary-delivery-of-virosome-bound-antigen-enhances-antigen-specific-cd4-t-cell-proliferation-compared-to-liposome-bound-or-soluble-antigen
#12
Rebecca A M Blom, Mario Amacker, R Maarten van Dijk, Christian Moser, Philip A Stumbles, Fabian Blank, Christophe von Garnier
Pulmonary administration of biomimetic nanoparticles loaded with antigen may represent an effective strategy to directly modulate adaptive immune responses in the respiratory tract. Depending on the design, virosomes may not only serve as biomimetic antigen carriers but are also endowed with intrinsic immune-stimulatory properties. We designed fluorescently labeled influenza-derived virosomes and liposome controls coupled to the model antigen ovalbumin to investigate uptake, phenotype changes, and antigen processing by antigen-presenting cells exposed to such particles in different respiratory tract compartments...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28439124/characterisation-of-a-cell-free-synthesised-g-protein-coupled-receptor
#13
Patrick J Shilling, Fabian Bumbak, Daniel J Scott, Ross A D Bathgate, Paul R Gooley
G-protein coupled receptors are the largest family of integral membrane proteins found within the human genome. They function as receptors and modulators to a wide range of ligands and responses which are crucial for human health. GPCR study, specifically the investigation of structure and interaction to cognate ligands, is of high priority. Limitations for structural study can be traced in part, to obtaining suitable quantities of recombinant protein. We sought to address the limitations of traditional recombinant technologies by utilising an Escherichia coli based cell-free protein synthesis (CFPS) approach for production of a thermostable neurotensin receptor 1 (en2NTS1)...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438993/air-quality-health-and-climate-implications-of-china-s-synthetic-natural-gas-development
#14
Yue Qin, Fabian Wagner, Noah Scovronick, Wei Peng, Junnan Yang, Tong Zhu, Kirk R Smith, Denise L Mauzerall
Facing severe air pollution and growing dependence on natural gas imports, the Chinese government plans to increase coal-based synthetic natural gas (SNG) production. Although displacement of coal with SNG benefits air quality, it increases CO2 emissions. Due to variations in air pollutant and CO2 emission factors and energy efficiencies across sectors, coal replacement with SNG results in varying degrees of air quality benefits and climate penalties. We estimate air quality, human health, and climate impacts of SNG substitution strategies in 2020...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28437928/terahertz-optical-bistability-of-graphene-in-thin-layers-of-dielectrics
#15
Kwang Jun Ahn, Fabian Rotermund
We theoretically studied in terahertz frequency regime optical bistability of graphene placed at the interface between thin dielectric layers. We solved self-consistently the nonlinear wave equations containing the third-order optical conductivity of graphene in four-layer structures and obtained hysteresis response of the transmitted power as a function of the incident power. We numerically observed that the critical powers for the up and down transitions and the Fermi-energy of graphene required for terahertz optical bistability can be reduced by carefully choosing material properties and the thicknesses of dielectric layers...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437430/cerebellar-volume-as-imaging-outcome-in-progressive-multiple-sclerosis
#16
Matilde Inglese, Maria Petracca, Enricomaria Mormina, Anat Achiron, Rebecca Straus-Farber, Shmuel Miron, Michelle Fabian, Stephen Krieger, Aaron Miller, Fred Lublin, Maria Pia Sormani
BACKGROUND AND PURPOSE: To assess whether cerebellar volumes changes could represent a sensitive outcome measure in primary-progressive MS. MATERIAL AND METHODS: Changes in cerebellar volumes over one-year follow-up, estimated in 26 primary-progressive MS patients and 20 controls with Freesurfer longitudinal pipeline, were assessed using Wilcoxon test and tested for their correlation with disability worsening by a logistic regression. Clinical worsening was defined as EDSS score increase or change of >20% for 25-foot walk test or 9-hole peg test scores at follow-up...
2017: PloS One
https://www.readbyqxmd.com/read/28437244/second-transcatheter-closure-for-residual-shunt-following-percutaneous-closure-of-patent-foramen-ovale
#17
Njomeza Susuri, Slayman Obeid, Mirjam Ulmi, George Cm Siontis, Andreas Wahl, Stephan Windecker, Fabian Nietlispach, Bernhard Meier, Fabien Praz
AIMS: Residual shunt following percutaneous patent foramen ovale (PFO) closure has been described in up to 49% of the patients and is associated with recurrent cerebrovascular events. Our aim was to evaluate the safety, feasibility, and mid-term outcomes of transcatheter residual shunt closure. METHODS AND RESULTS: From 1994 to July 2016, 2679 patients underwent transcatheter PFO closure for treatment of presumed paradoxical embolism at our institution. Among them, 100 patients (3...
April 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28434997/multi-photon-microscopy-in-cardiovascular-research
#18
REVIEW
Zhuojun Wu, Timo Rademakers, Fabian Kiessling, Michael Vogt, Erik Westein, Christian Weber, Remco Ta Megens, Marc van Zandvoort
Multiphoton laser scanning microscopy has proven profound value for ex vivo 3D histology and in vivo imaging of motionless tissue. The development of triggering systems and fast imaging methods, combined with advanced preparation procedures solved the challenging task of intravital imaging of the fast pulsating heart and major arteries in animals and further increased the popularity of intravital multiphoton imaging in cardiovascular research. This review article will highlight the potential of multiphoton microscopy for the visualization and characterization of dynamical and structural processes involved in cardiac and vascular diseases, both in an ex vivo and an intravital animal setting...
April 18, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28434777/the-heat-shock-protein-60-promotes-progesterone-synthesis-in-mitochondria-of-jeg-3-cells
#19
Jessica Monreal-Flores, María Teresa Espinosa-García, Alejandro García-Regalado, Fabian Arechavaleta-Velasco, Federico Martínez
Progesterone synthesis in human placenta is essential to maintain pregnancy. The limiting step in placental progesterone synthesis is cholesterol transport from the cytoplasm to the inner mitochondrial membrane. Multiple proteins located in mitochondrial contact sites seem to play a key role in this process. Previously, our group identified the heat shock protein 60 (HSP60) as part of mitochondrial contact sites in human placenta, suggesting its participation in progesterone synthesis. Here, we examined the role of HSP60 in progesterone synthesis...
April 20, 2017: Reproductive Biology
https://www.readbyqxmd.com/read/28434295/standard-heart-failure-medication-in-cardiac-transthyretin-amyloidosis-useful-or-harmful
#20
Fabian Aus dem Siepen, Selina Hein, Ralf Bauer, Hugo A Katus, Arnt V Kristen
No abstract text is available yet for this article.
March 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
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