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https://www.readbyqxmd.com/read/29223134/rapid-soil-formation-after-glacial-retreat-shaped-by-spatial-patterns-of-organic-matter-accrual-in-microaggregates
#1
Steffen A Schweizer, Carmen Hoeschen, Steffen Schlüter, Ingrid Kögel-Knabner, Carsten W Mueller
Global change contributes to the retreat of glaciers at unprecedented rates. The deglaciation facilitates biogeochemical processes on glacial deposits with initiating soil formation as an important driver of evolving ecosystems. The underlying mechanisms of soil formation and the association of soil organic matter (SOM) with mineral particles remain unclear, although further insights are critical to understand carbon sequestration in soils. We investigated the microspatial arrangement of SOM coatings at intact soil microaggregate structures during various stages of ecosystem development from 15 to >700 years after deglaciation in the proglacial environment of the Damma glacier (Switzerland)...
December 9, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29223112/development-of-the-handwriting-legibility-scale-hls-a-preliminary-examination-of-reliability-and-validity
#2
Anna L Barnett, Mellissa Prunty, Sara Rosenblum
BACKGROUND: Demands for the production of legible handwriting produced in a timely manner increase as children progress through school. Despite the considerable number of children faced with handwriting difficulties, there is no quick and practical tool to assess legibility in this population. AIM: The aim of this study was to develop the Handwriting Legibility Scale (HLS) and to establish the scale's reliability and validity. METHODS: The HLS is a non-language dependent scale which assesses global legibility, based on five criteria applied to samples of 'free writing'...
December 6, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29222971/the-divergent-impact-of-catechol-o-methyltransferase-comt-val158met-genetic-polymorphisms-on-executive-function-in-adolescents-with-discrete-patterns-of-childhood-adversity
#3
Huihui Zhang, Jie Li, Bei Yang, Tao Ji, Zhouting Long, Qiquan Xing, Di Shao, Huayu Bai, Jiwei Sun, Fenglin Cao
PURPOSE: Catechol-O-methyltransferase (COMT) Val158Met functional polymorphisms play a crucial role in the development of executive function (EF), but their effect may be moderated by environmental factors such as childhood adversity. The present study aimed at testing the divergent impact of the COMT Val158Met genotype on EF in non-clinical adolescents with discrete patterns of childhood adversity. METHODS: A total of 341 participants completed the Childhood Trauma Questionnaire, the self-reported version of the Behavior Rating Inventory of Executive Function, and self-administered questionnaires on familial function...
November 22, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29222931/the-challenge-of-herbicide-resistance-around-the-world-a-current-summary
#4
REVIEW
Mark A Peterson, Alberto Collavo, Ramiro Ovejero, Vinod Shivrain, Michael J Walsh
Herbicide resistant weeds have been observed since the early years of synthetic herbicide development in the 1950's and 1960's. Since that time there has been a consistent increase in the number of herbicide resistance cases and the impact of herbicide resistant (HR) weeds. While the nature of crop production varies widely around the world, herbicides have become a primary tool for weed control in most areas. Dependence on herbicides continues to increase as global populations migrate away from rural areas into cities and the agricultural labor force declines...
December 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/29222917/diagnostic-modalities-for-non-alcoholic-fatty-liver-disease-nafld-non-alcoholic-steatohepatitis-nash-and-associated-fibrosis
#5
REVIEW
Zobair M Younossi, Rohit Loomba, Quentin M Anstee, Mary E Rinella, Elisabetta Bugianesi, Giulio Marchesini, Brent A Neuschwander-Tetri, Lawrence Serfaty, Francesco Negro, Stephen H Caldwell, Vlad Ratziu, Kathleen E Corey, Scott L Friedman, Manal F Abdelmalek, Stephen A Harrison, Arun J Sanyal, Joel E Lavine, Philippe Mathurin, Michael R Charlton, Zachary D Goodman, Naga P Chalasani, Kris V Kowdley, Jacob George, Keith Lindor
NAFLD is a spectrum comprised of isolated steatosis, NASH, advanced fibrosis, and cirrhosis. The majority of NAFLD subjects do not have NASH and don't carry a significant risk for adverse outcomes (cirrhosis and mortality). Globally, the prevalence of NAFLD is approximately 25%. In Asia, a gradient of high prevalence rates to low rates are noted from urban to rural areas. Given the prevalence of NAFLD, the clinical and economic burden of NAFLD and NASH can be substantial. With increasing recognition as an important liver disease, the diagnosis of NASH still requires a liver biopsy which is suboptimal...
December 9, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29222506/an-assessment-of-the-global-impact-of-21st-century-land-use-change-on-soil-erosion
#6
Pasquale Borrelli, David A Robinson, Larissa R Fleischer, Emanuele Lugato, Cristiano Ballabio, Christine Alewell, Katrin Meusburger, Sirio Modugno, Brigitta Schütt, Vito Ferro, Vincenzo Bagarello, Kristof Van Oost, Luca Montanarella, Panos Panagos
Human activity and related land use change are the primary cause of accelerated soil erosion, which has substantial implications for nutrient and carbon cycling, land productivity and in turn, worldwide socio-economic conditions. Here we present an unprecedentedly high resolution (250 × 250 m) global potential soil erosion model, using a combination of remote sensing, GIS modelling and census data. We challenge the previous annual soil erosion reference values as our estimate, of 35.9 Pg yr-1 of soil eroded in 2012, is at least two times lower...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222490/ran-translation-at-c9orf72-associated-repeat-expansions-is-selectively-enhanced-by-the-integrated-stress-response
#7
Katelyn M Green, M Rebecca Glineburg, Michael G Kearse, Brittany N Flores, Alexander E Linsalata, Stephen J Fedak, Aaron C Goldstrohm, Sami J Barmada, Peter K Todd
Repeat-associated non-AUG (RAN) translation allows for unconventional initiation at disease-causing repeat expansions. As RAN translation contributes to pathogenesis in multiple neurodegenerative disorders, determining its mechanistic underpinnings may inform therapeutic development. Here we analyze RAN translation at G4C2 repeat expansions that cause C9orf72-associated amyotrophic lateral sclerosis and frontotemporal dementia (C9RAN) and at CGG repeats that cause fragile X-associated tremor/ataxia syndrome...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222466/deciphering-transcriptional-regulation-in-human-embryonic-stem-cells-specified-towards-a-trophoblast-fate
#8
Ashish Jain, Toshihiko Ezashi, R Michael Roberts, Geetu Tuteja
Differentiated human embryonic stem cells (hESC) continue to provide a model for studying early trophoblast cells (TB), but many questions have been raised regarding their true identity. Therefore, we carried out a global and unbiased analysis on previously published transcriptomic profiles for hESC differentiated to TB by means of bone morphogenetic protein-4 and inhibitors of activin A and fibroblast growth factor-2 signaling (BAP treatment). Our results confirm that BAP treated hESC (ESCd) lack a mesoderm signature and are a subtype of placental cells unlike those present at term...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222349/inequity-in-biological-dmard-prescription-for-spondyloarthritis-across-the-globe-results-from-the-asas-comospa-study
#9
Elena Nikiphorou, Désirée van der Heijde, Sam Norton, Robert Bm Landewé, Anna Molto, Maxime Dougados, Filip E Van den Bosch, Sofia Ramiro
OBJECTIVES: The value of biological disease-modifying antirheumatic drugs (bDMARDs) in spondyloarthritis (SpA) is well recognised, but global access to these treatments can be limited due to high costs and other factors. This study explores country variation in the use of bDMARDs in SpA in relation to country-level socioeconomic factors. METHODS: Patients fulfilling the Assessment in SpondyloArthritis International Society (ASAS) SpA criteria in the multinational, cross-sectional ASAS Comorbidities in Spondyloarthritis study were studied...
December 8, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29222315/extracorporeal-photopheresis-cellular-therapy-for-the-treatment-of-acute-and-chronic-graft-versus-host-disease
#10
REVIEW
Jennifer Schneiderman
Allogeneic hematopoietic stem cell transplantation (HSCT) is a potentially curative option for many disease states. Despite significant improvements in strategies used to prevent and treat acute and chronic graft-versus-host disease (a/cGVHD), they continue to negatively affect outcomes of HSCT significantly. Standard, first-line treatment consists of corticosteroids; beyond this, there is little consistency in therapeutic regimens. Current options include the addition of various immunosuppressive agents, the use of which puts patients at even higher risks for infection and other morbidities...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221941/are-human-development-index-dimensions-associated-with-gait-performance-in-older-adults-a-systematic-review
#11
REVIEW
Renato Campos Freire, Frederico Pieruccini-Faria, Manuel Montero-Odasso
BACKGROUND: Because gait performance is a marker of organic integrity, and the Human Development Index (HDI) of a region impacts the organism globally, this paper aims to investigate possible associations between both HDI and HDI dimensions at individual level (i.e. education, income, or life expectancy) with gait performance in older adults. METHODS: Searches were conducted on EMBASE and PubMed databases. Eligible studies included community-dwelling population aged ≥60years, analysis of at least one quantitative gait variable, observational studies, Human Development Index or its dimensions (i...
December 5, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29221895/report-on-eighth-who-meeting-on-development-of-influenza-vaccines-that-induce-broadly-protective-and-long-lasting-immune-responses-chicago-usa-23-24-august-2016
#12
Justin R Ortiz, Julian Hickling, Rebecca Jones, Armen Donabedian, Othmar G Engelhardt, Jacqueline M Katz, Shabir A Madhi, Kathleen M Neuzil, Guus F Rimmelzwaan, James Southern, David J Spiro, Joachim Hombach
In August 2016, the World Health Organization (WHO) convened the "Eighth meeting on development of influenza vaccines that induce broadly protective and long-lasting immune responses" to discuss the regulatory requirements and pathways for licensure of next-generation influenza vaccines, and to identify areas where WHO can promote the development of such vaccines. Participants included approximately 120 representatives of academia, the vaccine industry, research and development funders, and regulatory and public health agencies...
December 5, 2017: Vaccine
https://www.readbyqxmd.com/read/29221892/coevolution-of-nonlinear-group-interactions-and-strategies-in-well-mixed-and-structured-populations
#13
Lei Zhou, Aming Li, Long Wang
In microbial populations and human societies, the rule of nonlinear group interactions strongly affects the intraspecific evolutionary dynamics, which leads to the variation of the strategy composition eventually. The consequence of such variation may retroact to the rule of the interactions. This correlation indicates that the rule of nonlinear group interactions may coevolve with individuals' strategies. Here, we develop a model to investigate such coevolution in both well-mixed and structured populations...
December 5, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29221890/22nd-international-conference-on-medical-physics-2016-bangkok-thailand-medical-physics-propelling-global-health
#14
EDITORIAL
Virginia Tsapaki, Geoff Ibbott, Anchali Krisanachinda, Kwan-Hoong Ng, Tae-Suk Suh, Slavik Tabakov, John Damilakis
As medical technology evolves and patient needs increase, the need for well-trained and highly professional medical physicists (MPs) becomes even more urgent. The roles and responsibilities of MPs in various departments within the hospital are diverse and demanding. It is obvious that training, continuing education and professional development of MPs have become essential. One of the ways for an MP to advance his or her knowledge is to participate in conferences and congresses. Last year, the 22nd International Conference of Medical Physics (ICMP 2016) took place in Bangkok, Thailand...
December 6, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/29221877/guide-to-research-in-academic-global-surgery-a-statement-of-the-society-of-university-surgeons-global-academic-surgery-committee
#15
Saurabh Saluja, Benedict Nwomeh, Samuel R G Finlayson, AiXuan L Holterman, Randeep S Jawa, Sudha Jayaraman, Catherine Juillard, Sanjay Krishnaswami, Swagoto Mukhopadhyay, Jennifer Rickard, Thomas G Weiser, George P Yang, Mark G Shrime
Global surgery is an emerging academic discipline that is developing in tandem with numerous policy and advocacy initiatives. In this regard, academic global surgery will be crucial for measuring the progress toward improving surgical care worldwide. However, as a nascent academic discipline, there must be rigorous standards for the quality of work that emerges from this field. In this white paper, which reflects the opinion of the Global Academic Surgery Committee of the Society for University Surgeons, we discuss the importance of research in global surgery, the methodologies that can be used in such research, and the challenges and benefits associated with carrying out this research...
December 5, 2017: Surgery
https://www.readbyqxmd.com/read/29221616/dengue-fever-report-from-the-task-force-on-tropical-diseases-by-the-world-federation-of-societies-of-intensive-and-critical-care-medicine
#16
REVIEW
Pravin Amin, Özlem Acicbe, Jorge Hidalgo, Juan Ignacio Silesky Jiménez, Tim Baker, Guy A Richards
Dengue is an arbovirus affecting humans and spread by mosquitoes. Severe dengue follows a secondary infection with a different virus serotype. The problem is truly global as it is endemic in over 100 countries. Severe dengue can be a life-threatening because of increased vascular permeability, resulting in leakage of fluid from the intravascular compartment to the extravascular space. When major bleeding does occur, it is almost invariably combined with profound shock since this, in combination with thrombocytopenia, hypoxia, and acidosis, can lead to multiple organ failure and disseminated intravascular coagulation...
November 5, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29221541/the-global-health-nursing-imperative-using-competency-based-analysis-to-strengthen-accountability-for-population-focused-practice-education-and-research
#17
Barbara Joyce, Nancy Brown-Schott, Vicki Hicks, Regina Gina Johnson, Monica Harmon, Lucille Pilling
BACKGROUND: The Quad Council Competencies for Public Health Nurses are used to guide community and public health nursing course development in baccalaureate nursing programs. As clinical practice has expanded to global settings, the appropriateness of the 2011 Quad Council Public Health Nursing (PHN) Competencies to guide global clinical practice and evaluation was questioned. OBJECTIVE: To describe a comparison and analysis of three sets of competencies: PHN competencies, competencies for global health nurses, and interprofessional competencies for health professionals...
May 2017: Annals of Global Health
https://www.readbyqxmd.com/read/29221539/partnership-conference
#18
John A Bartlett, Sarah Cao, Blandina Mmbaga, Xu Qian, Michael Merson, Randall Kramer
BACKGROUND: The Duke Global Health Institute (DGHI) was founded in 2006 with a goal to foster interdisciplinary global health education and research across Duke University and Duke Medical Center. Critical to achieving this goal is the need to develop and sustain strong international partnerships. OBJECTIVE: To host a conference with multiple international partners and strengthen existing relationships. METHODS: After a deliberate year-long planning process, DGHI convened a Partnership Conference with its international partners on the Duke University campus in conjunction with its 10th Anniversary Celebration...
May 2017: Annals of Global Health
https://www.readbyqxmd.com/read/29221536/exploration-of-global-health-careers-across-the-medical-fields
#19
Ernest Barthélemy, Vanessa Mallol, Alisse Hannaford, Christian Pean, Rehema Kutua, Christopher de Haydu, Natasha Anandaraja, Ramin Asgary, Ebrahim Elahi, Braden Hexom, Philip Landrigan, Taraneh Shirazian, Craig Katz
BACKGROUND: Despite expansion of interest among American medical students in global health (GH), academic medical centers face multiple obstacles to the development of structured GH curricula and career guidance. To meet these demands we sought to provide a systematic analysis of the accounts of GH experts. METHODS: We developed a collaborative, interview-based, qualitative analysis of GH experiences across six career-related themes that are relevant to medical students interested in GH: justification, medical education, economics, research prospects, law and ethics, and work-life balance...
May 2017: Annals of Global Health
https://www.readbyqxmd.com/read/29221535/outcomes-of-global-public-health-training-program-for-us-minority-students-a-case-report
#20
Noa Krawczyk, Luz Claudio
The numbers and success of minority students in science and the health fields remain relatively low. This study presents the outcomes of a research training program as an illustrative case study. The Short-Term Training Program for Minority Students (STPMS) recruits underrepresented minority undergraduate and graduate students for immersion in research training. A total of 69 students participated in the STPMS between 1995 and 2012, and 59 of these completed our survey to determine the perceived impact of the program on the students' motivations and professional development...
May 2017: Annals of Global Health
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