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https://www.readbyqxmd.com/read/28927746/-proposal-of-screening-for-diffuse-low-grade-gliomas-in-the-population-from-20-to-40years
#1
Emmanuel Mandonnet, Luc Taillandier, Hugues Duffau
Diffuse low-grade gliomas (DLGG) are cerebral tumors occurring in young adults, with an inescapable progression to higher grade of malignancy, resulting in functional impairment and death. DLGG evolve in several phases: an asymptomatic period despite a slow radiological growth; a period in which inaugural symptoms occur, usually epilepsy with possible mild cognitive disorders; then a phase with malignant transformation generating disabling neurological deficits; and ultimately the terminal stage. Early maximal surgical resection significantly increases overall survival while preserving quality of life...
September 15, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28927319/angular-versus-curved-shapes-correspondences-and-emotional-processing
#2
Olesya Blazhenkova, Melisa Maya Kumar
The present work aimed to systematically examine sensory and higher level correspondences to angular and curved shapes. Participants matched angular and curved abstract shapes to sensory experiences in five different modalities as well as to emotion, gender, and name attributes presented as written labels (Study 1) and real experiences (Study 2). The results demonstrated nonarbitrary mapping of angular and curved shapes to attributes from all basic sensory modalities (vision, audition, gustation, olfaction, and tactation) and higher level attributes (emotion, gender, and name)...
January 1, 2017: Perception
https://www.readbyqxmd.com/read/28926980/indexing-natural-products-for-their-potential-anti-diabetic-activity-filtering-and-mapping-discriminative-physicochemical-properties
#3
Mouhammad Zeidan, Mahmoud Rayan, Nuha Zeidan, Mizied Falah, Anwar Rayan
Diabetes mellitus (DM) poses a major health problem, for which there is an unmet need to develop novel drugs. The application of in silico techniques and optimization algorithms is instrumental to achieving this goal. A set of 97 approved anti-diabetic drugs, representing the active domain, and a set of 2892 natural products, representing the inactive domain, were used to construct predictive models and to index anti-diabetic bioactivity. Our recently-developed approach of 'iterative stochastic elimination' was utilized...
September 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28926566/guidelines-for-the-management-of-a-brain-death-donor-in-the-rhesus-macaque-a-translational-transplant-model
#4
Tiffany J Zens, Juan S Danobeitia, Peter J Chlebeck, Laura J Zitur, Scott Odorico, Kevin Brunner, Jennifer Coonen, Saverio Capuano, Anthony M D'Alessandro, Kristina Matkowskyj, Weixiong Zhong, Jose Torrealba, Luis Fernandez
INTRODUCTION: The development of a translatable brain death animal model has significant potential to advance not only transplant research, but also the understanding of the pathophysiologic changes that occur in brain death and severe traumatic brain injury. The aim of this paper is to describe a rhesus macaque model of brain death designed to simulate the average time and medical management described in the human literature. METHODS: Following approval by the Institutional Animal Care and Use Committee, a brain death model was developed...
2017: PloS One
https://www.readbyqxmd.com/read/28923594/working-memory-predicts-children-s-analogical-reasoning
#5
Nina K Simms, Rebecca R Frausel, Lindsey E Richland
Analogical reasoning is the cognitive skill of drawing relationships between representations, often between prior knowledge and new representations, that allows for bootstrapping cognitive and language development. Analogical reasoning proficiency develops substantially during childhood, although the mechanisms underlying this development have been debated, with developing cognitive resources as one proposed mechanism. We explored the role of executive function (EF) in supporting children's analogical reasoning development, with the goal of determining whether predicted aspects of EF were related to analogical development at the level of individual differences...
September 15, 2017: Journal of Experimental Child Psychology
https://www.readbyqxmd.com/read/28923430/mapping-the-brain-of-the-chicken-gallus-gallus-with-emphasis-on-the-septal-hypothalamic-region
#6
REVIEW
Wayne J Kuenzel
There has been remarkable progress in discoveries made in the avian brain, particularly over the past two decades. This review first highlights some of the discoveries made in the forebrain and credits the Avian Brain Nomenclature Forum, responsible for changing many of the terms found in the cerebrum and for stimulating collaborative research thereafter. The Forum facilitated communication among comparative neurobiologists by eliminating confusing and inaccurate names. The result over the past 15 years has been a standardized use of avian forebrain terms...
September 15, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28923096/maternal-health-research-outputs-and-gaps-in-latin-america-reflections-from-the-mapping-study
#7
Emily Vargas-Riaño, Víctor Becerril-Montekio, Francisco Becerra-Posada, Mario Tristán
As part of the MASCOT/WOTRO multinational team conducting the maternal health literature mapping, four Latin American researchers were particularly interested in analysing information specific to their region. The mapping started with 45,959 papers uploaded from MEDLINE, CINAHL, Embase, LILACAS, PopLINE, PsycINFO and Web of Knowledge. From these, 4175 full texts were reviewed and 2295 papers were subsequently included. Latin America experienced an average maternal mortality decline of 40% between 1990 and 2013...
September 18, 2017: Globalization and Health
https://www.readbyqxmd.com/read/28922355/image-identification-from-brain-activity-using-the-population-receptive-field-model
#8
Wietske Zuiderbaan, Ben M Harvey, Serge O Dumoulin
A goal of computational models is not only to explain experimental data but also to make new predictions. A current focus of computational neuroimaging is to predict features of the presented stimulus from measured brain signals. These computational neuroimaging approaches may be agnostic about the underlying neural processes or may be biologically inspired. Here, we use the biologically inspired population receptive field (pRF) approach to identify presented images from fMRI recordings of the visual cortex, using an explicit model of the underlying neural response selectivity...
2017: PloS One
https://www.readbyqxmd.com/read/28921545/editorial-new-frontiers-in-the-scientific-study-of-developmental-language-disorders
#9
EDITORIAL
Courtenay Frazier Norbury, Edmund Sonuga-Barke
Developmental language disorders (DLD) are common and have far-reaching developmental consequences. Nevertheless, public awareness of DLD is poor, and one goal of this special issue is to showcase a set of papers that provide a clear and coherent message about the nature and impact of DLD, and the potential of intervention to mitigate these impacts. In this editorial, we highlight seminal papers JCPP has published on language disorders over the last 40 years. Many of the issues raised then are still relevant now; however, the papers that comprise this special issue exemplify how far the field has come in achieving consensus on terminology and diagnostic criteria, and producing highly consistent findings on the stability and impact of DLD, and the potential for language change in response to targeted interventions...
October 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28918907/thioredoxin-promotes-survival-signaling-events-under-nitrosative-oxidative-stress-associated-with-cancer-development
#10
REVIEW
Hugo P Monteiro, Fernando T Ogata, Arnold Stern
Accumulating mutations may drive cells into the acquisition of abnormal phenotypes that are characteristic of cancer cells. Cancer cells feature profound alterations in proliferation programs that result in a new population of cells that overrides normal tissue construction and maintenance programs. To achieve this goal, cancer cells are endowed with up regulated survival signaling pathways. They also must counteract the cytotoxic effects of high levels of nitric oxide (NO) and of reactive oxygen species (ROS), which are by products of cancer cell growth...
August 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28917096/how-bicycle-level-of-traffic-stress-correlate-with-reported-cyclist-accidents-injury-severities-a-geospatial-and-mixed-logit-analysis
#11
Chen Chen, Jason C Anderson, Haizhong Wang, Yinhai Wang, Rachel Vogt, Salvador Hernandez
Transportation agencies need efficient methods to determine how to reduce bicycle accidents while promoting cycling activities and prioritizing safety improvement investments. Many studies have used standalone methods, such as level of traffic stress (LTS) and bicycle level of service (BLOS), to better understand bicycle mode share and network connectivity for a region. However, in most cases, other studies rely on crash severity models to explain what variables contribute to the severity of bicycle related crashes...
September 13, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28914267/developing-a-common-framework-for-evaluating-the-implementation-of-genomic-medicine-interventions-in-clinical-care-the-ignite-network-s-common-measures-working-group
#12
Lori A Orlando, Nina R Sperber, Corrine Voils, Marshall Nichols, Rachel A Myers, R Ryanne Wu, Tejinder Rakhra-Burris, Kenneth D Levy, Mia Levy, Toni I Pollin, Yue Guan, Carol R Horowitz, Michelle Ramos, Stephen E Kimmel, Caitrin W McDonough, Ebony B Madden, Laura J Damschroder
PurposeImplementation research provides a structure for evaluating the clinical integration of genomic medicine interventions. This paper describes the Implementing Genomics in Practice (IGNITE) Network's efforts to promote (i) a broader understanding of genomic medicine implementation research and (ii) the sharing of knowledge generated in the network.MethodsTo facilitate this goal, the IGNITE Network Common Measures Working Group (CMG) members adopted the Consolidated Framework for Implementation Research (CFIR) to guide its approach to identifying constructs and measures relevant to evaluating genomic medicine as a whole, standardizing data collection across projects, and combining data in a centralized resource for cross-network analyses...
September 14, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28912929/student-misconceptions-about-plants-a-first-step-in-building-a-teaching-resource
#13
April N Wynn, Irvin L Pan, Elizabeth E Rueschhoff, Maryann A B Herman, E Kathleen Archer
Plants are ubiquitous and found in virtually every ecosystem on Earth, but their biology is often poorly understood, and inaccurate ideas about how plants grow and function abound. Many articles have been published documenting student misconceptions about photosynthesis and respiration, but there are substantially fewer on such topics as plant cell structure and growth; plant genetics, evolution, and classification; plant physiology (beyond energy relations); and plant ecology. The available studies of misconceptions held on those topics show that many are formed at a very young age and persist throughout all educational levels...
2017: Journal of Microbiology & Biology Education: JMBE
https://www.readbyqxmd.com/read/28910336/application-of-unsupervised-analysis-techniques-to-lung-cancer-patient-data
#14
Chip M Lynch, Victor H van Berkel, Hermann B Frieboes
This study applies unsupervised machine learning techniques for classification and clustering to a collection of descriptive variables from 10,442 lung cancer patient records in the Surveillance, Epidemiology, and End Results (SEER) program database. The goal is to automatically classify lung cancer patients into groups based on clinically measurable disease-specific variables in order to estimate survival. Variables selected as inputs for machine learning include Number of Primaries, Age, Grade, Tumor Size, Stage, and TNM, which are numeric or can readily be converted to numeric type...
2017: PloS One
https://www.readbyqxmd.com/read/28905911/the-4d-nucleome-project
#15
Job Dekker, Andrew S Belmont, Mitchell Guttman, Victor O Leshyk, John T Lis, Stavros Lomvardas, Leonid A Mirny, Clodagh C O'Shea, Peter J Park, Bing Ren, Joan C Ritland Politz, Jay Shendure, Sheng Zhong
The 4D Nucleome Network aims to develop and apply approaches to map the structure and dynamics of the human and mouse genomes in space and time with the goal of gaining deeper mechanistic insights into how the nucleus is organized and functions. The project will develop and benchmark experimental and computational approaches for measuring genome conformation and nuclear organization, and investigate how these contribute to gene regulation and other genome functions. Validated experimental technologies will be combined with biophysical approaches to generate quantitative models of spatial genome organization in different biological states, both in cell populations and in single cells...
September 13, 2017: Nature
https://www.readbyqxmd.com/read/28900832/spatial-discrimination-of-glioblastoma-and-treatment-effect-with-histologically-validated-perfusion-and-diffusion-magnetic-resonance-imaging-metrics
#16
Melissa A Prah, Mona M Al-Gizawiy, Wade M Mueller, Elizabeth J Cochran, Raymond G Hoffmann, Jennifer M Connelly, Kathleen M Schmainda
The goal of this study is to spatially discriminate tumor from treatment effect (TE), within the contrast-enhancing lesion, for brain tumor patients at all stages of treatment. To this end, the diagnostic accuracy of MRI-derived diffusion and perfusion parameters to distinguish pure TE from pure glioblastoma (GBM) was determined utilizing spatially-correlated biopsy samples. From July 2010 through June 2015, brain tumor patients who underwent pre-operative DWI and DSC-MRI and stereotactic image-guided biopsy were considered for inclusion in this IRB-approved study...
September 12, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28892361/immunopurification-of-acetylcholinesterase-from-red-blood-cells-for-detection-of-nerve-agent-exposure
#17
Alicia J Dafferner, Lawrence M Schopfer, Gaoping Xiao, John R Cashman, Udaya Yerramalla, Rudolph C Johnson, Thomas A Blake, Oksana Lockridge
Nerve agents and organophosphorus pesticides make a covalent bond with the active site serine of acetylcholinesterase (AChE), resulting in inhibition of AChE activity and toxic symptoms. AChE in red blood cells (RBC) serves as a surrogate for AChE in the nervous system. Mass spectrometry analysis of adducts on RBC AChE could provide evidence of exposure. Our goal was to develop a method of immunopurifying human RBC AChE in quantities adequate for detecting exposure by mass spectrometry. For this purpose we immobilized 3 commercially available anti-human acetylcholinesterase monoclonals (AE-1, AE-2, and HR2) plus 3 new monoclonals...
September 11, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28890891/collaborative-approaches-and-policy-opportunities-for-accelerated-progress-toward-effective-disease-prevention-care-and-control-using-the-case-of-poverty-diseases-to-explore-universal-access-to-affordable-health-care
#18
Samia Laokri
BACKGROUND: There is a massive global momentum to progress toward the sustainable development and universal health coverage goals. However, effective policies to health-care coverage can only emerge through high-quality services delivered to empowered care users by means of strong local health systems and a translational standpoint. Health policies aimed at removing user fees for a defined health-care package may fail at reaching desired results if not applied with system thinking. METHOD: Secondary data analysis of two country-based cost-of-illness studies was performed to gain knowledge in informed decision-making toward enhanced access to care in the context of resource-constraint settings...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28889025/industrial-pollution-and-cancer-in-spain-an-important-public-health-issue
#19
Pablo Fernández-Navarro, Javier García-Pérez, Rebeca Ramis, Elena Boldo, Gonzalo López-Abente
Cancer can be caused by exposure to air pollution released by industrial facilities. The European Pollutant Release and Transfer Register (E-PRTR) has made it possible to study exposure to industrial pollution. This study seeks to describe the industrial emissions in the vicinity of Spanish towns and their temporal changes, and review our experience studying industrial pollution and cancer. Data on industrial pollutant sources (2007-2010) were obtained from the E-PRTR registries. Population exposure was estimated by the distance from towns to industrial facilities...
September 7, 2017: Environmental Research
https://www.readbyqxmd.com/read/28888275/mean-arterial-pressure-of-65-mm-hg-versus-85-100-mm-hg-in-comatose-survivors-after-cardiac-arrest-rationale-and-study-design-of-the-neuroprotect-post-cardiac-arrest-trial
#20
RANDOMIZED CONTROLLED TRIAL
Koen Ameloot, Cathy De Deyne, Bert Ferdinande, Matthias Dupont, Pieter-Jan Palmers, Thibault Petit, Ward Eertmans, Clara Moonen, Ann Belmans, Robin Lemmens, Joseph Dens, Stefan Janssens
BACKGROUND: Post-cardiac arrest (CA) patients admitted to the intensive care unit (ICU) have a poor prognosis, with estimated survival rates of around 30%-50%. On admission, these patients have a large cerebral penumbra at risk for additional damage in case of suboptimal brain oxygenation during their stay in the ICU. The aim of the Neuroprotect post-CA trial is to investigate whether forcing mean arterial blood pressure (MAP) and mixed venous oxygen saturation (SVO2) in a specific range (MAP 85-100 mm Hg, SVO2 65%-75%) with additional pharmacological support (goal-directed hemodynamic optimization) may better salvage the penumbra, reduce cerebral ischemia, and improve functional outcome when compared with current standard of care (MAP 65 mm Hg)...
September 2017: American Heart Journal
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