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Complex Responsive Processes of Relating

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https://www.readbyqxmd.com/read/27910247/auditory-processing-in-noise-is-associated-with-complex-patterns-of-disrupted-functional-connectivity-in-autism-spectrum-disorder
#1
Fahimeh Mamashli, Sheraz Khan, Hari Bharadwaj, Konstantinos Michmizos, Santosh Ganesan, Keri-Lee A Garel, Javeria Ali Hashmi, Martha R Herbert, Matti Hämäläinen, Tal Kenet
Autism spectrum disorder (ASD) is associated with difficulty in processing speech in a noisy background, but the neural mechanisms that underlie this deficit have not been mapped. To address this question, we used magnetoencephalography to compare the cortical responses between ASD and typically developing (TD) individuals to a passive mismatch paradigm. We repeated the paradigm twice, once in a quiet background, and once in the presence of background noise. We focused on both the evoked mismatch field (MMF) response in temporal and frontal cortical locations, and functional connectivity with spectral specificity between those locations...
December 2, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27906524/the-development-of-autism-spectrum-disorders-variability-and-causal-complexity
#2
REVIEW
Robert H Wozniak, Nina B Leezenbaum, Jessie B Northrup, Kelsey L West, Jana M Iverson
The autism spectrum is highly variable, both behaviorally and neurodevelopmentally. Broadly speaking, four related factors contribute to this variability: (1) genetic processes, (2) environmental events, (3) gene × environment interactions, and (4) developmental factors. Given the complexity of the relevant processes, it appears unlikely that autism spectrum atypicalities can be attributed to any one causal mechanism. Rather, the development of neural atypicality reflects an interaction of genetic and environmental risk factors...
December 1, 2016: Wiley Interdisciplinary Reviews. Cognitive Science
https://www.readbyqxmd.com/read/27904657/negative-campaigning-and-the-logic-of-retaliation-in-multiparty-competition
#3
Martin Dolezal, Laurenz Ennser-Jedenastik, Wolfgang C Müller
The extant literature has demonstrated that the logic of retaliation is a core feature of negative campaigning. Attacks by one side induce counterattacks by the other. Yet most research on the interactive nature of negative campaigning is limited to two-party competition and provides little theoretical justification for why political actors should respond to attacks with counterattacks. The present paper addresses these research gaps. We argue that the negativity bias in human information processing and the zero-sum nature of elections make retaliation a rational strategy...
April 2016: Int J Press Polit
https://www.readbyqxmd.com/read/27899338/high-touch-and-high-tech-ht2-proposal-transforming-patient-engagement-throughout-the-continuum-of-care-by-engaging-patients-with-portal-technology-at-the-bedside
#4
Ann Scheck McAlearney, Cynthia J Sieck, Jennifer L Hefner, Alison M Aldrich, Daniel M Walker, Milisa K Rizer, Susan D Moffatt-Bruce, Timothy R Huerta
BACKGROUND: For patients with complex care needs, engagement in disease management activities is critical. Chronic illnesses touch almost every person in the United States. The costs are real, personal, and pervasive. In response, patients often seek tools to help them manage their health. Patient portals, personal health records tethered to an electronic health record, show promise as tools that patients value and that can improve health. Although patient portals currently focus on the outpatient experience, the Ohio State University Wexner Medical Center (OSUWMC) has deployed a portal designed specifically for the inpatient experience that is connected to the ambulatory patient portal available after discharge...
November 29, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27899316/inhibition-or-ablation-of-transglutaminase-2-impairs-astrocyte-migration
#5
Alina Monteagudo, Changyi Ji, Abdullah Akbar, Jeffrey W Keillor, Gail V W Johnson
Astrocytes play numerous complex roles that support and facilitate the function of neurons. Further, when there is an injury to the central nervous system (CNS) they can both facilitate or ameliorate functional recovery depending on the location and severity of the injury. When a CNS injury is relatively severe a glial scar is formed, which is primarily composed of astrocytes. The glial scar can be both beneficial, by limiting inflammation, and detrimental, by preventing neuronal projections, to functional recovery...
November 26, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27898837/global-transcriptome-analysis-reveals-differences-in-gene-expression-patterns-between-nonhyperhydric-and-hyperhydric-peach-leaves
#6
Yakup Bakir, Vahap Eldem, Gokmen Zararsiz, Turgay Unver
Hyperhydricity is a morphophysiological disorder of plants in tissue culture characterized morphologically by the presence of translucent, thick, curled, and fragile leaves as a result of excessive water intake. Since clonal propagation is a major in vitro technique for multiplying plants vegetatively, the emergence of hyperhydricity-related symptoms causes significant economic losses to agriculture and horticulture. Although numerous efforts have been hitherto devoted to the morphological and anatomical responses of plants to hyperhydricity, the underlying molecular mechanism remains largely unknown...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27897412/systemic-inflammation-body-composition-and-physical-performance-in-old-community-dwellers
#7
Riccardo Calvani, Federico Marini, Matteo Cesari, Thomas W Buford, Todd M Manini, Marco Pahor, Christiaan Leeuwenburgh, Roberto Bernabei, Francesco Landi, Emanuele Marzetti
BACKGROUND: Chronic inflammation, changes in body composition, and declining physical function are hallmarks of the ageing process. The aim of the present study was to provide a preliminary characterisation of the relationship among these age-related phenomena via multivariate modelling. METHODS: Thirty-five old adults (OAs) and 17 young adults (YAs) were enrolled. The volume of skeletal muscle, subcutaneous adipose tissue (SAT), and intermuscular adipose tissue (IMAT) of the thigh was quantified by three-dimensional magnetic resonance imaging...
August 8, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896424/dynamic-expression-analysis-of-early-response-genes-induced-by-potato-virus-y-in-pvy-resistant-nicotiana-tabacum
#8
Shuai Chen, Fengxia Li, Dan Liu, Caihong Jiang, Lijie Cui, Lili Shen, Guanshan Liu, Aiguo Yang
Dynamic transcriptional changes of the host early responses genes were detected in PVY-resistant tobacco varieties infected with Potato virus Y; PVY resistance is a complex process that needs series of stress responses. Potato virus Y (PVY) causes a severe viral disease in cultivated crops, especially in Solanum plants. To understand the molecular basis of plant responses to the PVY stress, suppression subtractive hybridization (SSH) and microarray approaches were combined to identify the potentially important or novel genes that were involved in early stages (12 h, 1, 2, 3, 5, 8 days) of tobacco response to PVY infection...
November 28, 2016: Plant Cell Reports
https://www.readbyqxmd.com/read/27895567/cognitive-processing-in-non-communicative-patients-what-can-event-related-potentials-tell-us
#9
Zulay R Lugo, Lucia R Quitadamo, Luigi Bianchi, Fréderic Pellas, Sandra Veser, Damien Lesenfants, Ruben G L Real, Cornelia Herbert, Christoph Guger, Boris Kotchoubey, Donatella Mattia, Andrea Kübler, Steven Laureys, Quentin Noirhomme
Event-related potentials (ERP) have been proposed to improve the differential diagnosis of non-responsive patients. We investigated the potential of the P300 as a reliable marker of conscious processing in patients with locked-in syndrome (LIS). Eleven chronic LIS patients and 10 healthy subjects (HS) listened to a complex-tone auditory oddball paradigm, first in a passive condition (listen to the sounds) and then in an active condition (counting the deviant tones). Seven out of nine HS displayed a P300 waveform in the passive condition and all in the active condition...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27894891/source-analysis-of-auditory-steady-state-responses-in-acoustic-and-electric-hearing
#10
Robert Luke, Astrid De Vos, Jan Wouters
Speech is a complex signal containing a broad variety of acoustic information. For accurate speech reception, the listener must perceive modulations over a range of envelope frequencies. Perception of these modulations is particularly important for cochlear implant (CI) users, as all commercial devices use envelope coding strategies. Prolonged deafness affects the auditory pathway. However, little is known of how cochlear implantation affects the neural processing of modulated stimuli. This study investigates and contrasts the neural processing of envelope rate modulated signals in acoustic and CI listeners...
November 25, 2016: NeuroImage
https://www.readbyqxmd.com/read/27891133/modeling-long-term-corn-yield-response-to-nitrogen-rate-and-crop-rotation
#11
Laila A Puntel, John E Sawyer, Daniel W Barker, Ranae Dietzel, Hanna Poffenbarger, Michael J Castellano, Kenneth J Moore, Peter Thorburn, Sotirios V Archontoulis
Improved prediction of optimal N fertilizer rates for corn (Zea mays L.) can reduce N losses and increase profits. We tested the ability of the Agricultural Production Systems sIMulator (APSIM) to simulate corn and soybean (Glycine max L.) yields, the economic optimum N rate (EONR) using a 16-year field-experiment dataset from central Iowa, USA that included two crop sequences (continuous corn and soybean-corn) and five N fertilizer rates (0, 67, 134, 201, and 268 kg N ha(-1)) applied to corn. Our objectives were to: (a) quantify model prediction accuracy before and after calibration, and report calibration steps; (b) compare crop model-based techniques in estimating optimal N rate for corn; and (c) utilize the calibrated model to explain factors causing year to year variability in yield and optimal N...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27890016/the-inflammatory-response-to-extracorporeal-membrane-oxygenation-ecmo-a-review-of-the-pathophysiology
#12
REVIEW
Jonathan E Millar, Jonathon P Fanning, Charles I McDonald, Daniel F McAuley, John F Fraser
Extracorporeal membrane oxygenation (ECMO) is a technology capable of providing short-term mechanical support to the heart, lungs or both. Over the last decade, the number of centres offering ECMO has grown rapidly. At the same time, the indications for its use have also been broadened. In part, this trend has been supported by advances in circuit design and in cannulation techniques. Despite the widespread adoption of extracorporeal life support techniques, the use of ECMO remains associated with significant morbidity and mortality...
November 28, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27884198/use-of-poly-adp-ribose-polymerase-parp-inhibitors-in-cancer-cells-bearing-ddr-defects-the-rationale-for-their-inclusion-in-the-clinic
#13
REVIEW
Aniello Cerrato, Francesco Morra, Angela Celetti
BACKGROUND: DNA damage response (DDR) defects imply genomic instability and favor tumor progression but make the cells vulnerable to the pharmacological inhibition of the DNA repairing enzymes. Targeting cellular proteins like PARPs, which cooperate and complement molecular defects of the DDR process, induces a specific lethality in DDR defective cancer cells and represents an anti-cancer strategy. Normal cells can tolerate the DNA damage generated by PARP inhibition because of an efficient homologous recombination mechanism (HR); in contrast, cancer cells with a deficient HR are unable to manage the DSBs and appear especially sensitive to the PARP inhibitors (PARPi) effects...
November 24, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27881652/inhibition-of-human-cytomegalovirus-pul89-terminase-subunit-blocks-virus-replication-and-genome-cleavage
#14
Yan Wang, Lili Mao, Jayakanth Kankanala, Zhengqiang Wang, Robert J Geraghty
: Human cytomegalovirus terminase complex cleaves the concatemeric genomic DNA into unit lengths during genome packaging and particle assembly. This process is an attractive drug target because cleavage of concatemeric DNA is not required in mammalian cell DNA replication, indicating that drugs targeting the terminase complex could be safe and selective. One component of the human cytomegalovirus terminase complex, pUL89, provides the endonucleolytic activity for genome cleavage and the domain responsible is reported to have an RNase H-like fold...
November 23, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27879330/quantitative-transcriptomics-reveals-the-growth-and-nutrient-dependent-response-of-a-streamlined-marine-methylotroph-to-methanol-and-naturally-occurring-dissolved-organic-matter
#15
Scott M Gifford, Jamie W Becker, Oscar A Sosa, Daniel J Repeta, Edward F DeLong
The members of the OM43 clade of Betaproteobacteria are abundant coastal methylotrophs with a range of carbon-utilizing capabilities. However, their underlying transcriptional and metabolic responses to shifting conditions or different carbon substrates remain poorly understood. We examined the transcriptional dynamics of OM43 isolate NB0046 subjected to various inorganic nutrient, vitamin, and carbon substrate regimes over different growth phases to (i) develop a quantitative model of its mRNA content; (ii) identify transcriptional markers of physiological activity, nutritional state, and carbon and energy utilization; and (iii) identify pathways involved in methanol or naturally occurring dissolved organic matter (DOM) metabolism...
November 22, 2016: MBio
https://www.readbyqxmd.com/read/27877208/selection-analysis-and-improvement-of-anti-angiogenesis-compounds-identified-by-an-anti-hif-1%C3%AE-screening-and-validation-system
#16
Chikezie Madu, Liyuan Li, Yi Lu
Cancer cells resort to activating hypoxia-inducible factor-1 (HIF-1) as one of several responses to hypoxic conditions. Overexpression of HIF-1, the transcriptional regulator for a group of malignant-pathway related genes including vascular endothelial growth factor (VEGF), is associated with increased tumor growth, vascularization, and metastasis. HIF-1 is composed of an inducible subunit, HIF-1α and a constitutively expressed subunit, HIF-1ß. HIF-1 activity is mainly dependent on the level of HIF-1α protein, the inducible and regulatory subunit of the HIF-1 heterodimer complex; thus, identification of novel anti-HIF-1α agents will lead to effective blockage of the HIF-1 (HIF-1α)-mediated "switch-on" function for those malignant-pathway related genes and suppression of the HIF-1α/VEGF-mediated signaling pathway that promotes cancer progression and metastasis...
2016: Journal of Cancer
https://www.readbyqxmd.com/read/27876642/arabidopsis-nf-ycs-mediate-the-light-control-of-hypocotyl-elongation-via-modulating-histone-acetylation
#17
Yang Tang, Xuncheng Liu, Xu Liu, Yuge Li, Keqiang Wu, Xingliang Hou
Light is a crucial environmental signal that promotes photomorphogenesis, the developmental process containing a series of light-dependent alterations for plants to adapt various external challenges. Chromatin modification has been proposed to be involved in such light-mediated growth, but the underlying mechanism is still elusive. Here, we identify that the four Arabidopsis thaliana Nuclear Factor-YC homologues NF-YC1, NF-YC3, NF-YC4, and NF-YC9 (NF-YCs) function redundantly as the repressors of light control of hypocotyl elongation via histone de-acetylation...
November 19, 2016: Molecular Plant
https://www.readbyqxmd.com/read/27876573/stem-cell-therapies-in-age-related-neurodegenerative-diseases-and-stroke
#18
REVIEW
Yuan Wang, Xunming Ji, Rehana K Leak, Fenghua Chen, Guodong Cao
Aging, a complex process associated with various structural, functional and metabolic changes in the brain, is an important risk factor for neurodegenerative diseases and stroke. These diseases share similar neuropathological changes, such as the formation of misfolded proteins, oxidative stress, loss of neurons and synapses, dysfunction of the neurovascular unit (NVU), reduction of self-repair capacity, and motor and/or cognitive deficiencies. In addition to gray matter dysfunction, the plasticity and repair capacity of white matter also decrease with aging and contribute to neurodegenerative diseases...
November 19, 2016: Ageing Research Reviews
https://www.readbyqxmd.com/read/27876142/magnetic-polyethyleneimine-functionalized-reduced-graphene-oxide-as-a-novel-magnetic-solid-phase-extraction-adsorbent-for-the-determination-of-polar-acidic-herbicides-in-rice
#19
Na Li, Juan Chen, Yan-Ping Shi
A novel magnetic polyethyleneimine modified reduced graphene oxide (Fe3O4@PEI-RGO) had been fabricated based on a self-assemble approach between positive charged magnetic polyethyleneimine (Fe3O4@PEI) and negative charged GO sheets via electrostatic interaction followed by chemical reduction of GO to RGO. The as-prepared Fe3O4@PEI-RGO was characterized by transmission electron microscopy (TEM), Fourier transform infrared spectrometry (FT-IR), X-ray diffraction (XRD), thermal gravimetric analyzer (TGA), vibrating sample magnetometer (VSM) and zeta potential analysis, and then was successfully applied to determine four phenoxy acid herbicides and dicamba in rice coupled with high performance liquid chromatography (HPLC)...
January 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27873207/profiling-phosphopeptide-binding-domain-recognition-specificity-using-peptide-microarrays
#20
Michele Tinti, Simona Panni, Gianni Cesareni
Cellular organization and response to internal and external stimuli are mediated by an intricate web of protein interactions. Some of these interactions are regulated by covalent posttranslational modifications such as phosphorylation and acetylation. These modifications can change the chemical nature of the interaction interfaces and modulate the binding affinity of the interacting partners. In signal transduction, the most frequent modification is reversible phosphorylation of tyrosine, serine or threonine residues...
2017: Methods in Molecular Biology
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