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https://www.readbyqxmd.com/read/28102912/different-spatio-temporal-eeg-features-drive-the-successful-decoding-of-binaural-and-monaural-cues-for-sound-localization
#1
Adam Bednar, Francis M Boland, Edmund C Lalor
The human ability to localize sound is essential for monitoring the environment and helps us to analyze complex auditory scenes. Although the acoustic cues mediating sound localization have been established, it remains unknown how these cues are represented in human cortex. In particular, it is still a point of contention whether binaural and monaural cues are processed by the same or distinct cortical networks. In this study, participants listened to a sequence of auditory stimuli from different spatial locations while we recorded their neural activity using electroencephalography (EEG)...
January 19, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28102874/cardiorespiratory-hospitalisation-and-mortality-reductions-after-smoking-bans-in-switzerland
#2
Ana M Vicedo-Cabrera, Martin Röösli, Dragana Radovanovic, Leticia Grize, Fabienne Witassek, Christian Schindler, Laura Perez
INTRODUCTION: Smoking bans are considered one of the most effective policies to reduce population exposure to tobacco smoke and prevent adverse health outcomes. However, evidence on the effect of contextual variables on the effectiveness of smoking bans is still lacking. AIMS: The patchwork of cantonal smoke-free laws in Switzerland was used as a quasi-experimental setting to assess changes after their introduction in: hospitalisations and mortality due to cardiorespiratory diseases in adults; total hospitalisations and hospitalisations due to respiratory disorders in children; and the modifying effects of contextual factors and the effectiveness of the laws...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28102826/ceramic-particle-engulfment-by-fibroblasts-does-not-alter-at-all-cell-behavior
#3
Pierre-Antoine Faye, Olivier Roualdes, Fabrice Rossignol, Daniel Jean Hartmann, Alexis Desmoulière
Despite many studies, the impact of ceramic particles on cell behavior remains still unclear. The aim of the present study was to investigate the effects of ceramic nano-sized particles on fibroblastic cells. Fibroblasts (dermal fibroblasts freshly isolated from skin samples and WI26 fibroblastic cells) were cultured in monolayer in the presence of alumina or cerium-zirconia particles (��� 50 nm diameter) at two concentrations (100 or 500 ��g.mL-1). Fluorescent alumina particles were also used. Cell morphology, cytoplasmic ceramic incorporation using confocal and transmission electron microscopy, and migration using silicon insert, were analyzed...
January 19, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28102773/the-optimal-duration-of-anticoagulant-therapy-after-unprovoked-venous-thromboembolism-still-a-challenging-issue
#4
Giovanna Elmi, Giuseppe Di Pasquale, Raffaele Pesavento
As about 50 % of patients with unprovoked venous thromboembolism (VTE) will develop new episodes after discontinuing therapy, indefinite treatment is suggested in patients with low or moderate bleeding risk. Baseline and post-baseline factors can help clinicians to identify patients at high risk of recurrence, who require extended treatment. Residual vein obstruction and D-dimer assay have been shown to be suitable methods for assessing the risk of VTE recurrences after a first unprovoked VTE. In treatment for VTE the use of direct oral anticoagulants (DOAC) is growing instead of the standard adjusted dose of vitamin K antagonists...
January 19, 2017: VASA. Zeitschrift Für Gefässkrankheiten
https://www.readbyqxmd.com/read/28102735/bulk-immunoassays-for-analysis-of-extracellular-vesicles
#5
Frank A W Coumans, Elmar L Gool, Rienk Nieuwland
There is increasing clinical interest in extracellular vesicles (EV) for diagnostic and treatment purposes. This review provides an overview of bulk immunoassays to analyse EV. Western blot and enzyme-linked immunosorbent assay are still the two predominant bulk immunoassays. Recently, new assays have become available that can detect exposure to EV concentrations that are up to 10,000-fold lower. This is advantageous for applications that detect rare EV. Other important parameters are the detectable concentration range, the required sample volume, whether simultaneous presence of different antigens on a single EV can be detected, size selectivity of each assay and practical considerations...
January 19, 2017: Platelets
https://www.readbyqxmd.com/read/28102657/the-optimal-strategy-of-percutaneous-coronary-intervention-for-st-elevation-myocardial-infarction-patients-with-multivessel-disease-an-updated-meta-analysis-of-9-randomized-controlled-trials
#6
Zhong G Fan, Xiao F Gao, Xiao B Li, Wen X Mao, Li W Chen, Nai L Tian
INTRODUCTION: The optimal strategy of percutaneous coronary intervention (PCI) for patients with ST-elevation myocardial infarction (STEMI) and multivessel disease (MVD) still remains controversial. This study sought to explore the optimal PCI strategy for those patients. EVIDENCE ACQUISITION: Medline, EMBASE and the Cochrane Controlled Trials Registry were searched for relevant studies. We analyzed the comparison of major adverse cardiac events (MACEs) as the primary end point between the preventive PCI strategy and the culprit only PCI strategy (CV-PCI)...
April 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28102636/thalamic-deep-brain-stimulation-for-refractory-tourette-syndrome-clinical-evidence-for-increasing-disbalance-of-therapeutic-effects-and-side-effects-at-long-term-follow-up
#7
Anouk Y J M Smeets, Annelien A Duits, Albert F G Leentjens, Koen Schruers, Vivianne van Kranen-Mastenbroek, Veerle Visser-Vandewalle, Yasin Temel, Linda Ackermans
OBJECTIVE: Thalamic deep brain stimulation (DBS) is effective in reducing tics in patients with refractory Tourette syndrome at the short-term. Here, we report on the long-term outcome. MATERIALS AND METHODS: Seven patients underwent bilateral DBS between 2001 and 2008. The target was the centromedian nucleus, substantia periventricularis and nucleus ventro-oralis internus cross point of the thalamus. The effect on tics and side effects were evaluated with a variable follow-up duration of 12 to 78 months...
January 19, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28102597/non-european-populations-still-underrepresented-in-genomic-testing-samples-dearth-of-african-american-latino-and-other-non-european-groups-contributes-to-healthcare-research-disparities
#8
(no author information available yet)
No abstract text is available yet for this article.
February 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28102575/bcl-2-family-in-non-small-cell-lung-cancer-its-prognostic-and-therapeutic-implications
#9
Ping-Li Sun, Hironobu Sasano, Hongwen Gao
Non-small cell lung cancer (NSCLC) accounts for approximately 85% of all lung cancers. Despite significant advances in its research of tumor biology and therapy, the prognosis for this neoplasm has still remained poor. The great majority of anticancer agents, regardless of their mechanisms of action, exert their lethal actions on cancer cells by inducing apoptosis following drug-induced cellular damage. Many reported studies have evaluated the prognostic and therapeutic implications of apoptosis in lung cancer, but their exact clinical value has remained unclear...
January 19, 2017: Pathology International
https://www.readbyqxmd.com/read/28102563/multiscale-modeling-methods-in-biomechanics
#10
REVIEW
Pinaki Bhattacharya, Marco Viceconti
More and more frequently, computational biomechanics deals with problems where the portion of physical reality to be modeled spans over such a large range of spatial and temporal dimensions, that it is impossible to represent it as a single space-time continuum. We are forced to consider multiple space-time continua, each representing the phenomenon of interest at a characteristic space-time scale. Multiscale models describe a complex process across multiple scales, and account for how quantities transform as we move from one scale to another...
January 19, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28102558/concise-reviews-regeneration-in-mammalian-cochlea-hair-cells-help-from-supporting-cells-transdifferentiation
#11
Bénédicte Franco, Brigitte Malgrange
It is commonly assumed that mammalian cochlear cells do not regenerate. Therefore, if hair cells are lost following an injury, no recovery could occur. However, during the first postnatal week, mice harbor some progenitor cells that retain the ability to give rise to new hair cells. These progenitor cells are in fact supporting cells. Upon hair cells loss, those cells are able to generate new hair cells both by direct transdifferentiation or following cell cycle re-entry and differentiation. However, this property of supporting cells is progressively lost after birth...
January 19, 2017: Stem Cells
https://www.readbyqxmd.com/read/28102471/yorkie-regulates-neurodegeneration-through-canonical-pathway-and-innate-immune-response
#12
Sandeep Kumar Dubey, Madhu G Tapadia
Expansion of CAG repeats in certain genes has long been known to be associated with neurodegenerastion, but the quest to identity the underlying mechanisms is still on. Here, we analyzed the role of Yorkie, the coactivator of the Hippo pathway, and provide evidence to state that it is a robust genetic modifier of polyglutamine (PolyQ)-mediated neurodegeneration. Yorkie reduces the pathogenicity of inclusion bodies in the cell by activating cyclin E and bantam, rather than by preventing apoptosis through DIAP1...
January 19, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28102438/non-invasive-ventilation-in-hypoxemic-acute-respiratory-failure-is-it-still-possible
#13
EDITORIAL
Christophe Girault, Miquel Ferrer, Antoni Torres
No abstract text is available yet for this article.
January 19, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28102437/a-comparison-of-the-effects-of-medical-qigong-and-standard-exercise-therapy-on-symptoms-and-quality-of-life-in-patients-with-advanced-cancer
#14
B L Vanderbyl, M J Mayer, C Nash, A T Tran, T Windholz, T Swanson, G Kasymjanova, R T Jagoe
PURPOSE: Patients with advanced cancer frequently experience anxiety, depression and poor quality of life (QOL), as well as physical symptoms such as fatigue and weakness. Physical exercise has potential to help control these symptoms but the optimal training prescription is still not clear. We performed a study comparing medical Qigong (QG) and standard endurance and strength training (SET) in patients with advanced stage non-small cell lung (NSCLC) and gastrointestinal (GI) cancers...
January 19, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28102431/totipotency-in-the-mouse
#15
REVIEW
Guangming Wu, Lei Lei, Hans R Schöler
In mammals, the unicellular zygote starts the process of embryogenesis and differentiates into all types of somatic cells, including both fetal and extraembryonic lineages-in a highly organized manner to eventually give rise to an entire multicellular organism comprising more than 200 different tissue types. This feature is referred to as totipotency. Upon fertilization, oocyte maternal factors epigenetically reprogram the genomes of the terminally differentiated oocyte and spermatozoon and turn the zygote into a totipotent cell...
January 19, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28102379/the-pyrrole-ring-%C3%AE-2-hapticity-bridged-binuclear-tricarbonyl-mo-0-and-w-0-complexes-catalysis-of-regioselective-hydroamination-reactions-and-dft-calculations
#16
Vikesh Kumar Jha, Ganesan Mani, Yogeswara Rao Davuluri, Anakuthil Anoop
Following the report of the ferrocene structure, metal complexes containing the heteroatom-substituted cyclopentadienyl (Cp) analogue, that is the η(5) pyrrolyl ligand, have been reported. While the Cp ligand continues to be a favorite ligand in organometallics, the transition metal chemistry of the pyrrolyl ligand is still in the developing stage. In view of this, we carried out the reaction between the multidentate ligand 2,3,4,5-tetrakis(3,5-dimethylpyrazolylmethyl)pyrrole (LH) and Mo(CO)6 or [W(CO)3(CH3CN)3] and isolated two new binuclear tricarbonyl Mo(0) and W(0) complexes, [Mo2(CO)6(μ-η(2):η(2)-LH-κ(4)N)] (1) and [W2(CO)6(μ-η(2):η(2)-LH-κ(4)N)] (2)...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28102362/evaluation-of-region-selective-bilirubin-induced-brain-damage-as-a-basis-for-a-pharmacological-treatment
#17
Matteo Dal Ben, Cristina Bottin, Fabrizio Zanconati, Claudio Tiribelli, Silvia Gazzin
The neurologic manifestations of neonatal hyperbilirubinemia in the central nervous system (CNS) exhibit high variations in the severity and appearance of motor, auditory and cognitive symptoms, which is suggestive of a still unexplained selective topography of bilirubin-induced damage. By applying the organotypic brain culture (OBC: preserving in vitro the cellular complexity, connection and architecture of the in vivo brain) technique to study hyperbilirubinemia, we mapped the regional target of bilirubin-induced damage, demonstrated a multifactorial toxic action of bilirubin, and used this information to evaluate the efficacy of drugs applicable to newborns to protect the brain...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102323/bacterial-endophyte-communities-of-three-agricultural-important-grass-species-differ-in-their-response-towards-management-regimes
#18
Franziska Wemheuer, Kristin Kaiser, Petr Karlovsky, Rolf Daniel, Stefan Vidal, Bernd Wemheuer
Endophytic bacteria are critical for plant growth and health. However, compositional and functional responses of bacterial endophyte communities towards agricultural practices are still poorly understood. Hence, we analyzed the influence of fertilizer application and mowing frequency on bacterial endophytes in three agriculturally important grass species. For this purpose, we examined bacterial endophytic communities in aerial plant parts of Dactylis glomerata L., Festuca rubra L., and Lolium perenne L. by pyrotag sequencing of bacterial 16S rRNA genes over two consecutive years...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102321/the-chaperonin-cct-inhibits-assembly-of-%C3%AE-synuclein-amyloid-fibrils-by-a-specific-conformation-dependent-interaction
#19
Begoña Sot, Alejandra Rubio-Muñoz, Ahudrey Leal-Quintero, Javier Martínez-Sabando, Miguel Marcilla, Cintia Roodveldt, José M Valpuesta
The eukaryotic chaperonin CCT (chaperonin containing TCP-1) uses cavities built into its double-ring structure to encapsulate and to assist folding of a large subset of proteins. CCT can inhibit amyloid fibre assembly and toxicity of the polyQ extended mutant of huntingtin, the protein responsible for Huntington's disease. This raises the possibility that CCT modulates other amyloidopathies, a still-unaddressed question. We show here that CCT inhibits amyloid fibre assembly of α-synuclein A53T, one of the mutants responsible for Parkinson's disease...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102302/fractional-lattice-charge-transport
#20
Sergej Flach, Ramaz Khomeriki
We consider the dynamics of noninteracting quantum particles on a square lattice in the presence of a magnetic flux α and a dc electric field E oriented along the lattice diagonal. In general, the adiabatic dynamics will be characterized by Bloch oscillations in the electrical field direction and dispersive ballistic transport in the perpendicular direction. For rational values of α and a corresponding discrete set of values of E(α) vanishing gaps in the spectrum induce a fractionalization of the charge in the perpendicular direction - while left movers are still performing dispersive ballistic transport, the complementary fraction of right movers is propagating in a dispersionless relativistic manner in the opposite direction...
January 19, 2017: Scientific Reports
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