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https://www.readbyqxmd.com/read/28819547/continuous-force-decoding-from-deep-brain-local-field-potentials-for-brain-computer-interfacing
#1
Syed A Shah, Huiling Tan, Peter Brown
Current Brain Computer Interface (BCI) systems are limited by relying on neuronal spikes and decoding limited to kinematics only. For a BCI system to be practically useful, it should be able to decode brain information on a continuous basis with low latency. This study investigates if force can be decoded from local field potentials (LFP) recorded with deep brain electrodes located at the Subthalamic nucleus (STN) using data from 5 patients with Parkinson's disease, on a continuous basis with low latency. A Wiener-Cascade (WC) model based decoder was proposed using both time-domain and frequency-domain features...
2017: International IEEE/EMBS Conference on Neural Engineering: [proceedings]
https://www.readbyqxmd.com/read/28818858/pai-1-plasminogen-activator-inhibitor-1-expression-renders-alternatively-activated-human-macrophages-proteolytically-quiescent
#2
Philipp J Hohensinner, Johanna Baumgartner, Julia B Kral-Pointner, Pavel Uhrin, Benjamin Ebenbauer, Barbara Thaler, Konstantin Doberer, Stefan Stojkovic, Svitlana Demyanets, Michael B Fischer, Kurt Huber, Gernot Schabbauer, Walter S Speidl, Johann Wojta
OBJECTIVE: Macrophages are versatile immune cells capable of polarizing into functional subsets depending on environmental stimulation. In atherosclerotic lesions, proinflammatory polarized macrophages are associated with symptomatic plaques, whereas Th2 cytokine-polarized macrophages are inversely related with disease progression. To establish a functional cause for these observations, we analyzed extracellular matrix degradation phenotypes in polarized macrophages. APPROACH AND RESULTS: We provide evidence that proinflammatory polarized macrophages rely on membrane-bound proteases including matrix metalloproteinase 14 and the serine protease uPA (urokinase plasminogen activator) together with its receptor uPAR for extracellular matrix degradation...
August 17, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28818060/rna-transfection-of-%C3%AE-%C3%AE-t-cells-with-a-chimeric-antigen-receptor-or-an-%C3%AE-%C3%AE-t-cell-receptor-a-safer-alternative-to-genetically-engineered-%C3%AE-%C3%AE-t-cells-for-the-immunotherapy-of-melanoma
#3
Dennis C Harrer, Bianca Simon, Shin-Ichiro Fujii, Kanako Shimizu, Ugur Uslu, Gerold Schuler, Kerstin F Gerer, Stefanie Hoyer, Jan Dörrie, Niels Schaft
BACKGROUND: Adoptive T-cell therapy relying on conventional T cells transduced with T-cell receptors (TCRs) or chimeric antigen receptors (CARs) has caused substantial tumor regression in several clinical trials. However, genetically engineered T cells have been associated with serious side-effects due to off-target toxicities and massive cytokine release. To obviate these concerns, we established a protocol adaptable to GMP to expand and transiently transfect γ/δ T cells with mRNA...
August 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28807685/an-rna-polymerase-ii-driven-ebola-virus-minigenome-system-as-an-advanced-tool-for-antiviral-drug-screening
#4
Emily V Nelson, Jennifer R Pacheco, Adam Hume, Tessa N Cressey, Laure R Deflubé, John B Ruedas, John H Connor, Hideki Ebihara, Elke Mühlberger
Ebola virus (EBOV) causes a severe disease in humans with the potential for significant international public health consequences. Currently, treatments are limited to experimental vaccines and therapeutics. Therefore, research into prophylaxis and antiviral strategies to combat EBOV infections is of utmost importance. The requirement for high containment laboratories to study EBOV infection is a limiting factor for conducting EBOV research. To overcome this issue, minigenome systems have been used as valuable tools to study EBOV replication and transcription mechanisms and to screen for antiviral compounds at biosafety level 2...
August 11, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28806756/generic-scalable-and-decentralized-fault-detection-for-robot-swarms
#5
Danesh Tarapore, Anders Lyhne Christensen, Jon Timmis
Robot swarms are large-scale multirobot systems with decentralized control which means that each robot acts based only on local perception and on local coordination with neighboring robots. The decentralized approach to control confers number of potential benefits. In particular, inherent scalability and robustness are often highlighted as key distinguishing features of robot swarms compared with systems that rely on traditional approaches to multirobot coordination. It has, however, been shown that swarm robotics systems are not always fault tolerant...
2017: PloS One
https://www.readbyqxmd.com/read/28802707/boosting-innate-immunity-to-sustainably-control-diseases-in-crops
#6
REVIEW
Valerie Nicaise
Viruses cause epidemics in all major crops, threatening global food security. The development of efficient and durable resistance able to withstand viral attacks represents a major challenge for agronomy, and relies greatly on the understanding of the molecular dialogue between viral pathogens and their hosts. Research over the last decades provided substantial advances in the field of plant-virus interactions. Remarkably, the advent of studies of plant innate immunity has recently offered new strategies exploitable in the field...
August 10, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28802117/intolerance-of-uncertainty-anxiety-and-worry-in-children-and-adolescents-a-meta-analysis
#7
REVIEW
Nihan Osmanağaoğlu, Cathy Creswell, Helen F Dodd
BACKGROUND: Intolerance of uncertainty (IU) has been implicated in the development and maintenance of worry and anxiety in adults and there is an increasing interest in the role that IU may play in anxiety and worry in children and adolescents. METHOD: We conducted a systematic review and meta-analysis to summarize existing research on IU with regard to anxiety and worry in young people, and to provide a context for considering future directions in this area of research...
July 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28800580/establishing-a-classification-system-for-high-fall-risk-among-inpatients-using-support-vector-machines
#8
Shinichiroh Yokota, Miyoko Endo, Kazuhiko Ohe
We constructed a model using a support vector machine to determine whether an inpatient will suffer a fall on a given day, depending on patient status on the previous day. Using fall report data from our own facility and intensity-of-nursing-care-needs data accumulated through hospital information systems, a dataset comprising approximately 1.2 million patient-days was created. Approximately 50% of the dataset was used as training and testing data. A multistep grid search was conducted using the semicomprehensive combination of three parameters...
August 2017: Computers, Informatics, Nursing: CIN
https://www.readbyqxmd.com/read/28797037/the-world-s-user-generated-road-map-is-more-than-80-complete
#9
Christopher Barrington-Leigh, Adam Millard-Ball
OpenStreetMap, a crowdsourced geographic database, provides the only global-level, openly licensed source of geospatial road data, and the only national-level source in many countries. However, researchers, policy makers, and citizens who want to make use of OpenStreetMap (OSM) have little information about whether it can be relied upon in a particular geographic setting. In this paper, we use two complementary, independent methods to assess the completeness of OSM road data in each country in the world. First, we undertake a visual assessment of OSM data against satellite imagery, which provides the input for estimates based on a multilevel regression and poststratification model...
2017: PloS One
https://www.readbyqxmd.com/read/28794695/water-filtered-infrared-a-wira-overcomes-swallowing-disorders-and-hypersalivation-a-case-report
#10
Gerd Hoffmann
Case description: A patient with a Barrett oesophageal carcinoma and a resection of the oesophagus with gastric pull-up developed swallowing disorders 6 years and 2 months after the operation. Within 1 year and 7 months two recurrences of the tumor at the anastomosis were found and treated with combined chemoradiotherapy or chemotherapy respectively. 7 years and 9 months after the operation local tumor masses and destruction were present with no ability to orally drink or eat (full feeding by jejunal PEG tube): quality of life was poor, as saliva and mucus were very viscous (pulling filaments) and could not be swallowed and had to be spat out throughout the day and night resulting in short periods of sleep (awaking from the necessity to spit out)...
2017: German Medical Science: GMS E-journal
https://www.readbyqxmd.com/read/28793176/neutralization-of-pathogenic-fungi-with-small-molecule-immunotherapeutics
#11
Egor Chirkin, Viswanathan Muthusamy, Paul Mann, Terry Roemer, Philippe G Nantermet, David Spiegel
Systemic fungal infections represent an important public health concern, and new antifungal agents are highly desirable. Herein, we describe the design, synthesis and biological evaluation of a novel class of antifungal compounds called Antibody-Recruiting Molecules targeting Fungi (ARM-Fs). Our approach relies on the use of non-peptidic small molecules, which selectively bind fungal cells and recruit endogenous antibodies to their surfaces, resulting in immune-mediated clearance. Using the opportunistic fungal pathogen Candida albicans as a model, we identified a highly specific bifunctional molecule able to mediate the engulfment and phagocytosis of C...
August 9, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28792894/high-quality-plane-wave-compounding-using-convolutional-neural-networks
#12
Maxime Gasse, Fabien Millioz, Emmanuel Roux, Damien Garcia, Herve Liebgott, Denis Friboulet
Single plane wave (PW) imaging produces ultrasound (US) images of poor quality at high frame rates (ultrafast). High-quality PW imaging usually relies on the coherent compounding of several successive steered emissions (typically more than ten), which in turn results in a decreased frame rate. We propose a new strategy to reduce the number of emitted PWs by learning a compounding operation from data, i.e. by training a convolutional neural network (CNN) to reconstruct high quality images using a small number of transmissions...
August 7, 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28791342/generation-of-a-novel-trail-mutant-by-proline-to-arginine-substitution-based-on-codon-bias-and-its-antitumor-effects
#13
Aijing Zhu, Xiuyun Wang, Min Huang, Chen Chen, Juan Yan, Qi Xu, Lijia Wei, Xianzhou Huang, Hong Zhu, Cheng Yi
TNF ligand superfamily member 10 (TRAIL) is a member of the tumor necrosis factor superfamily. The present study was performed in an effort to increase the expression of soluble (s)TRAIL by rebuilding the gene sequence of TRAIL. Three principles based on the codon bias of Escherichia coli were put forward to design the rebuild strategy. Relying on these three principles, a P7R mutation near the N‑terminal region of sTRAIL, named TRAIL‑Mu, was designed. TRAIL‑Mu was subsequently cloned into the PTWIN1 plasmid and expressed in E...
August 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28790881/contrasting-coping-styles-meet-the-wall-a-dopamine-driven-dichotomy-in-behavior-and-cognition
#14
Erik Höglund, Patricia I M Silva, Marco A Vindas, Øyvind Øverli
Individual variation in the ability to modify previously learned behavior is an important dimension of trait correlations referred to as coping styles, behavioral syndromes or personality. These trait clusters have been shaped by natural selection, and underlying control mechanisms are often conserved throughout vertebrate evolution. In teleost fishes, behavioral flexibility and coping style have been studied in the high (HR) and low-responsive (LR) rainbow trout lines. Generally, proactive LR trout show a behavior guided by previously learned routines, while HR trout show a more flexible behavior relying on environmental cues...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28782680/bilinguals-have-more-complex-eeg-brain-signals-in-occipital-regions-than-monolinguals
#15
John G Grundy, John A E Anderson, Ellen Bialystok
Brain signal complexity increases with development and is associated with better cognitive outcomes in older age. Research has also shown that bilinguals are able to stave off cognitive decline for longer periods of time than monolinguals, but no studies to date have examined whether bilinguals have more complex brain signals than monolinguals. Here we explored the hypothesis that bilingualism leads to greater brain signal complexity by examining multiscale entropy (MSE) in monolingual and bilingual young adults while EEG was recorded during a task-switching paradigm...
August 4, 2017: NeuroImage
https://www.readbyqxmd.com/read/28772077/efficient-electrosteric-assembly-of-nanoparticle-heterodimers-and-linear-heteroassemblies
#16
Ryan Kastilani, Ryan Wong, Lilo D Pozzo
Bottom-up approaches to the synthesis of nanostructures are of particular interest because they offer several advantages over the traditional top-down approaches. In this work, we present a new method to self-assemble nanoparticles into controlled heteroaggregates. The technique relies on carefully balancing attractive electrostatic forces with repulsive steric hindrance that is provided by surface-grafted polyethylene glycol (PEG). Two different-sized gold nanoparticles (GNP) were used as a model system; 13 nm GNPs were functionalized with PEG-thiol and dodecanoic thiol, while 7 nm GNPs were functionalized with PEG-thiol and (11- Mercaptoundecyl)trimethylammonium bromide...
August 3, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28769937/juvenile-coffee-leaves-acclimated-to-low-light-are-unable-to-cope-with-a-moderate-light-increase
#17
Claudine Campa, Laurent Urban, Laurence Mondolot, Denis Fabre, Sandrine Roques, Yves Lizzi, Jawad Aarrouf, Sylvie Doulbeau, Jean-Christophe Breitler, Céline Letrez, Lucile Toniutti, Benoit Bertrand, Philippe La Fisca, Luc P R Bidel, Hervé Etienne
The understorey origin of coffee trees and the strong plasticity of Coffea arabica leaves in relation to contrasting light environments have been largely shown. The adaptability of coffee leaves to changes in light was tested under controlled conditions by increasing the illumination rate on C. arabica var. Naryelis seedlings acclimated to low light conditions and observing leaf responses at three different developmental stages (juvenile, growing and mature). Only mature leaves proved capable of adapting to new light conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28769561/nanoparticle-orientationally-displayed-antigen-epitopes-improve-neutralizing-antibody-level-in-a-model-of-porcine-circovirus-type-2
#18
Peiyang Ding, Teng Zhang, Yafei Li, Man Teng, Yaning Sun, Xiao Liu, Shujun Chai, Enmin Zhou, Qianyue Jin, Gaiping Zhang
Recent advancements in biotechnology have enabled the rapid identification and subsequent expression of pathogenic microbial major antigens that induce protective immune responses. However, subunit vaccines have not been successfully commercialized mainly due to the lack of sufficient levels of neutralizing antibodies (NAs). High levels of NA rely on the efficient recognition and cross-linking of multiple neutralizing epitopes with B-cell receptors (BCRs). Nanoparticles are able to display coupled antigenic arrays at high density and provide multiple binding molecular scenarios with BCRs...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28764454/simulating-the-chan-hudspeth-experiment-on-an-active-excised-cochlear-segment
#19
Amir Nankali, Karl Grosh
Hearing relies on a series of coupled electrical, acoustical, and mechanical interactions inside the cochlea that enable sound processing. The local structural and electrical properties of the organ of Corti (OoC) and basilar membrane give rise to the global, coupled behavior of the cochlea. However, it is difficult to determine the root causes of important behavior, such as the mediator of active processes, in the fully coupled in vivo setting. An alternative experimental approach is to use an excised segment of the cochlea under controlled electrical and mechanical conditions...
July 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28758346/direct-detection-and-characterization-of-foot-and-mouth-disease-virus-in-east-africa-using-a-field-ready-real-time-pcr-platform
#20
E L A Howson, B Armson, N A Lyons, E Chepkwony, C J Kasanga, S Kandusi, N Ndusilo, W Yamazaki, D Gizaw, S Cleaveland, T Lembo, R Rauh, W M Nelson, B A Wood, V Mioulet, D P King, V L Fowler
Effective control and monitoring of foot-and-mouth disease (FMD) relies upon rapid and accurate disease confirmation. Currently, clinical samples are usually tested in reference laboratories using standardized assays recommended by The World Organisation for Animal Health (OIE). However, the requirements for prompt and serotype-specific diagnosis during FMD outbreaks, and the need to establish robust laboratory testing capacity in FMD-endemic countries have motivated the development of simple diagnostic platforms to support local decision-making...
July 30, 2017: Transboundary and Emerging Diseases
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