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https://www.readbyqxmd.com/read/29346908/mechanisms-of-self-organized-criticality-in-social-processes-of-knowledge-creation
#1
Bosiljka Tadić, Marija Mitrović Dankulov, Roderick Melnik
In online social dynamics, a robust scale invariance appears as a key feature of collaborative efforts that lead to new social value. The underlying empirical data thus offers a unique opportunity to study the origin of self-organized criticality (SOC) in social systems. In contrast to physical systems in the laboratory, various human attributes of the actors play an essential role in the process along with the contents (cognitive, emotional) of the communicated artifacts. As a prototypical example, we consider the social endeavor of knowledge creation via Questions and Answers (Q&A)...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29343412/implementing-genome-driven-personalized-cardiology-in-clinical-practice
#2
REVIEW
Ares Pasipoularides
Genomics designates the coordinated investigation of a large number of genes in the context of a biological process or disease. It may be long before we attain comprehensive understanding of the genomics of common complex cardiovascular diseases (CVDs) such as inherited cardiomyopathies, valvular diseases, primary arrhythmogenic conditions, congenital heart syndromes, hypercholesterolemia and atherosclerotic heart disease, hypertensive syndromes, and heart failure with preserved/reduced ejection fraction. Nonetheless, as genomics is evolving rapidly, it is constructive to survey now pertinent concepts and breakthroughs...
January 14, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29279656/prevalence-and-major-causes-of-visual-impairment-in-iranian-adults-a-systematic-review
#3
Seyed-Farzad Mohammadi, Ghasem Saeedi-Anari, Elham Ashrafi, Seyed-Mehrdad Mohammadi, Farshad Farzadfar, Alireza Lashay, Hassan Hashemi
PURPOSE: The purpose of this study is to provide a pooled estimate of moderate-to-severe visual impairment (MSVI) and blindness in Iran for people 50 years and over and to identify the major causes through systematic review. MATERIALS AND METHODS: International (PubMed, ISI Web of Science, and Scopus) and national databases (Scientific Information Database, Barakat Knowledge Network System, Iran Databank of Ophthalmology Research, and Magiran) databases were searched...
July 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/29189491/project-echo-a-telementoring-network-model-for-continuing-professional-development
#4
Sanjeev Arora, Summers G Kalishman, Karla A Thornton, Miriam S Komaromy, Joanna G Katzman, Bruce B Struminger, William F Rayburn
INTRODUCTION: A major challenge with current systems of CME is the inability to translate the explosive growth in health care knowledge into daily practice. Project ECHO (Extension for Community Healthcare Outcomes) is a telementoring network designed for continuing professional development (CPD) and improving patient outcomes. The purpose of this article was to describe how the model has complied with recommendations from several authoritative reports about redesigning and enhancing CPD...
November 15, 2017: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/29104024/abortion-in-two-francophone-african-countries-a-study-of-whether-women-have-begun-to-use-misoprostol-in-benin-and-burkina-faso
#5
Carine Baxerres, Ines Boko, Adjara Konkobo, Fatoumata Ouattara, Agnès Guillaume
OBJECTIVES: This study aimed to document the means women use to obtain abortions in the capital cities of Benin and Burkina Faso, and to learn whether or not use of misoprostol has become an alternative to other methods of abortion, and the implications for future practice. STUDY DESIGN: We conducted in-depth, qualitative interviews between 2014 and 2015 with 34 women - 21 women in Cotonou (Benin) and 13 women in Ouagadougou (Burkina Faso) - about their pathways to abortion...
November 3, 2017: Contraception
https://www.readbyqxmd.com/read/29049734/a-computational-approach-from-gene-to-structure-analysis-of-the-human-abca4-transporter-involved-in-genetic-retinal-diseases
#6
Alfonso Trezza, Andrea Bernini, Andrea Langella, David B Ascher, Douglas E V Pires, Andrea Sodi, Ilaria Passerini, Elisabetta Pelo, Stanislao Rizzo, Neri Niccolai, Ottavia Spiga
Purpose: The aim of this article is to report the investigation of the structural features of ABCA4, a protein associated with a genetic retinal disease. A new database collecting knowledge of ABCA4 structure may facilitate predictions about the possible functional consequences of gene mutations observed in clinical practice. Methods: In order to correlate structural and functional effects of the observed mutations, the structure of mouse P-glycoprotein was used as a template for homology modeling...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29048466/pybel-a-computational-framework-for-biological-expression-language
#7
Charles Tapley Hoyt, Andrej Konotopez, Christian Ebeling
Summary: Biological Expression Language (BEL) assembles knowledge networks from biological relations across multiple modes and scales. Here, we present PyBEL; a software package for parsing, validating, converting, storing, querying, and visualizing networks encoded in BEL. Availability: PyBEL is implemented in platform-independent, universal Python code. Its source is distributed under the Apache 2.0 License at https://github.com/pybel. Contact: charles...
October 18, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29020978/precision-medicine-at-the-crossroads
#8
Maynard V Olson
There are bioethical, institutional, economic, legal, and cultural obstacles to creating the robust-precompetitive-data resource that will be required to advance the vision of "precision medicine," the ability to use molecular data to target therapies to patients for whom they offer the most benefit at the least risk. Creation of such an "information commons" was the central recommendation of the 2011 report Toward Precision Medicine issued by a committee of the National Research Council of the USA (Committee on a Framework for Development of a New Taxonomy of Disease; National Research Council...
October 11, 2017: Human Genomics
https://www.readbyqxmd.com/read/28993413/moonshot-acceleration-factor-medical-imaging
#9
Eva M Sevick-Muraca, Richard A Frank, Maryellen L Giger, James L Mulshine
Medical imaging is essential to screening, early diagnosis, and monitoring responses to cancer treatments and, when used with other diagnostics, provides guidance for clinicians in choosing the most effective patient management plan that maximizes survivorship and quality of life. At a gathering of agency officials, patient advocacy organizations, industry/professional stakeholder groups, and clinical/basic science academicians, recommendations were made on why and how one should build a "cancer knowledge network" that includes imaging...
October 9, 2017: Cancer Research
https://www.readbyqxmd.com/read/28933911/differential-support-for-female-supervisors-among-men-and-women
#10
Andrea C Vial, Victoria L Brescoll, Jaime L Napier, John F Dovidio, Tom R Tyler
Two studies evaluated the lay belief that women feel particularly negatively about other women in the workplace and particularly in supervisory roles. The authors tested the general proposition, derived from social identity theory (Tajfel & Turner, 1979, 2004), that women, compared to men, may be more supportive of other women in positions of authority, whereas men would respond more favorably to other men than to women in positions of authority. Consistent with predictions, data from an online experiment (n = 259), in which the authors randomly assigned men and women to evaluate identical female (vs...
September 21, 2017: Journal of Applied Psychology
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
#11
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/28756793/contribution-of-scaling-up-nutrition-academic-platforms-to-nutrition-capacity-strengthening-in-africa-local-efforts-continental-prospects-and-challenges
#12
Amos K Laar, Richmond N O Aryeetey, Reginald Annan, Paul A Aryee, Francis K Amagloh, Robert Akparibo, Matilda E Laar, Paul Amuna, Francis B Zotor
Addressing contemporary nutrition problems often requires application of knowledge from multiple disciplines. The scaling up nutrition (SUN) movement harnesses multiple sectors for effective global and in-country planning and implementation. Although the role of knowledge networks (academia and research institutions) is recognised, the how of engaging knowledge networks in the current SUN architecture is only now becoming apparent. For relevant sectors to play their roles effectively, observed capacity gaps, particularly in developing country settings, need to be addressed...
July 31, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28659013/-there-s-a-catch-22-the-complexities-of-pain-management-for-people-with-advanced-dementia-nearing-the-end-of-life-a-qualitative-exploration-of-physicians-perspectives
#13
Bannin De Witt Jansen, Kevin Brazil, Peter Passmore, Hilary Buchanan, Doreen Maxwell, Sonja J McIlfatrick, Sharon M Morgan, Max Watson, Carole Parsons
BACKGROUND: Pain management is a cornerstone of palliative care. The clinical issues encountered by physicians when managing pain in patients dying with advanced dementia, and how these may impact on prescribing and treatment, are unknown. AIM: To explore physicians' experiences of pain management for patients nearing the end of life, the impact of these on prescribing and treatment approaches, and the methods employed to overcome these challenges. DESIGN: Qualitative, semi-structured interview study exploring barriers to and facilitators of pain management, prescribing and treatment decisions, and training needs...
October 1, 2016: Palliative Medicine
https://www.readbyqxmd.com/read/28506440/the-wistar-audiogenic-rat-war-strain-and-its-contributions-to-epileptology-and-related-comorbidities-history-and-perspectives
#14
Norberto Garcia-Cairasco, Eduardo H L Umeoka, José A Cortes de Oliveira
In the context of modeling epilepsy and neuropsychiatric comorbidities, we review the Wistar Audiogenic Rat (WAR), first introduced to the neuroscience international community more than 25years ago. The WAR strain is a genetically selected reflex model susceptible to audiogenic seizures (AS), acutely mimicking brainstem-dependent tonic-clonic seizures and chronically (by audiogenic kindling), temporal lobe epilepsy (TLE). Seminal neuroethological, electrophysiological, cellular, and molecular protocols support the WAR strain as a suitable and reliable animal model to study the complexity and emergent functions typical of epileptogenic networks...
June 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28457834/a-network-perspective-on-antimicrobial-peptide-combination-therapies-the-potential-of-colistin-polymyxin-b-and-nisin
#15
REVIEW
Paula Jorge, Martín Pérez-Pérez, Gael Pérez Rodríguez, Maria Olívia Pereira, Anália Lourenço
Antimicrobial combinations involving antimicrobial peptides (AMPs) attract considerable attention within current antimicrobial and anti-resistance research. The objective of this study was to review the available scientific literature on the effects of antimicrobial combinations involving colistin (polymyxin E), polymyxin B and nisin, which are US Food and Drug Administration (FDA)-approved AMPs broadly tested against prominent multidrug-resistant pathogens. A bioinformatics approach based on literature mining and manual expert curation supported the reconstruction of experimental evidence on the potential of these AMP combinations, as described in the literature...
June 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28453708/towards-a-global-cancer-knowledge-network-dissecting-the-current-international-cancer-genomic-sequencing-landscape
#16
D J Vis, J Lewin, R G Liao, M Mao, F Andre, R L Ward, F Calvo, B T Teh, A A Camargo, B M Knoppers, C L Sawyers, L F A Wessels, M Lawler, L L Siu, E Voest
Background: While next generation sequencing has enhanced our understanding of the biological basis of malignancy, current knowledge on global practices for sequencing cancer samples is limited. To address this deficiency, we developed a survey to provide a snapshot of current sequencing activities globally, identify barriers to data sharing and use this information to develop sustainable solutions for the cancer research community. Methods: A multi-item survey was conducted assessing demographics, clinical data collection, genomic platforms, privacy/ethics concerns, funding sources and data sharing barriers for sequencing initiatives globally...
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28415007/religion-spirituality-and-mental-health-of-u-s-military-veterans-results-from-the-national-health-and-resilience-in-veterans-study
#17
Vanshdeep Sharma, Deborah B Marin, Harold K Koenig, Adriana Feder, Brian M Iacoviello, Steven M Southwick, Robert H Pietrzak
BACKGROUND: In the last three decades, there has been increased interest in studying the association between religion/spirituality (R/S), and mental health and functional outcomes. METHODS: Using data from a contemporary, nationally representative sample of 3151 U.S. military veterans maintained by GfK Knowledge Networks, Inc., we evaluated the relation between R/S and a broad range of mental health, and psychosocial variables. Veterans were grouped into three groups based on scores on the Duke University Religion Index: High R/S (weighted 11...
August 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28410607/aprecisekure-an-approach-of-precision-medicine-in-a-rare-disease
#18
Ottavia Spiga, Vittoria Cicaloni, Andrea Bernini, Andrea Zatkova, Annalisa Santucci
BACKGROUND: Alkaptonuria (AKU; OMIM:203500) is a classic Mendelian genetic disorder described by Garrod already in 1902. It causes urine to turn black upon exposure to air and also leads to ochronosis as well as early osteoarthritis. Our objective is the implementation of a Precision Medicine (PM) approach to AKU. We present here a novel ApreciseKUre database facilitating the collection, integration and analysis of patient data in order to create an AKU-dedicated "PM Ecosystem" in which genetic, biochemical and clinical resources can be shared among registered researchers...
April 14, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28398145/visualization-maps-for-the-evolution-of-research-hotspots-in-the-field-of-regional-health-information-networks
#19
Yanjun Wang, Jianzhong Zheng, Ailian Zhang, Wei Zhou, Haiyuan Dong
OBJECTIVES: The aim of this study was to reveal research hotspots in the field of regional health information networks (RHINs) and use visualization techniques to explore their evolution over time and differences between countries. METHODS: We conducted a literature review for a 50-year period and compared the prevalence of certain index terms during the periods 1963-1993 and 1994-2014 and in six countries. We applied keyword frequency analysis, keyword co-occurrence analysis, multidimensional scaling analysis, and network visualization technology...
April 11, 2017: Informatics for Health & Social Care
https://www.readbyqxmd.com/read/28391811/a-study-of-emr-based-medical-knowledge-network-and-its-applications
#20
Chao Zhao, Jingchi Jiang, Zhiming Xu, Yi Guan
BACKGROUND AND OBJECTIVE: Electronic medical records (EMRs) contain an amount of medical knowledge which can be used for clinical decision support. We attempt to integrate this medical knowledge into a complex network, and then implement a diagnosis model based on this network. METHODS: The dataset of our study contains 992 records which are uniformly sampled from different departments of the hospital. In order to integrate the knowledge of these records, an EMR-based medical knowledge network (EMKN) is constructed...
May 2017: Computer Methods and Programs in Biomedicine
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