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https://www.readbyqxmd.com/read/28436589/short-chain-fatty-acids-augment-rat-duodenal-mucosal-barrier-function
#1
Wan Salman Wan Saudi, Markus Sjöblom
Short-chain fatty acids (SCFAs) are produced by bacterial fermentation in the large intestine, particularly from diets containing fibres and carbohydrates. The small intestinal epithelium is exposed to SCFAs derived mainly from oral bacteria or food supplementation. Although luminal nutrients are important in regulation of intestinal functions the role of SCFAs in regulation of small intestinal mucosal barrier function and motility has not been fully described. The aim of the present study was to elucidate the effects of acetate and propionate on duodenal mucosal barrier function and motility...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28434613/the-diversity-of-beef-safety-a-global-reason-to-strengthen-our-current-systems
#2
REVIEW
Mindy M Brashears, Byron D Chaves
The purpose of this paper is to propose a more integrated and more aggressive system approach to food safety rather than focusing on one segment of the industry, or on one approach as described by or constrained by one set of regulations. We focus on the prevalence and control measures for Salmonella and pathogenic Escherichia coli, particularly, Shiga toxin-producing E. coli (STEC) in live cattle on the farm and in the final raw beef product at retail. We describe the antimicrobial and process control strategies most commonly used during slaughter and processing to prevent and reduce the frequency and concentration of these pathogens in the final product, and we propose points along the food chain where more interventions can be applied to ultimately reduce the prevalence of foodborne pathogens associated with beef and beef products, and to protect public health as well the global food supply...
April 5, 2017: Meat Science
https://www.readbyqxmd.com/read/28432258/lil3-a-light-harvesting-complex-protein-links-terpenoid-and-tetrapyrrole-biosynthesis
#3
Daniel Hey, Maxi Rothbart, Josephine Herbst, Peng Wang, Jakob Müller, Daniel Wittmann, Kirsten Gruhl, Bernhard Grimm
LIL3 of Arabidopsis thaliana belongs to the light-harvesting complex (LHC) family, which also includes the light-harvesting chlorophyll-binding proteins of photosystems 1 and 2, the early-light-inducible proteins, PsbS involved in non-photochemical quenching, the one-helix-proteins and their cyanobacterial homologs designated high-light-inducible proteins. Each member of this family is characterized by one or two LHC transmembrane domains (referred to as the LHC motif) to which potential functions such as chlorophyll binding, protein interaction and integration of interacting partners into the plastid membranes have been attributed...
April 21, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28431814/evaluation-of-storing-hepatitis-b-vaccine-outside-the-cold-chain-in-the-solomon-islands-identifying-opportunities-and-barriers-to-implementation
#4
Lucy Breakwell, Jenniffer Anga, Ibrahim Dadari, Nahad Sadr-Azodi, Divinal Ogaoga, Minal Patel
Monovalent Hepatitis B vaccine (HepB) is heat stable, making it suitable for storage outside cold chain (OCC) at 37°C for 1month. We conducted an OCC project in the Solomon Islands to determine the feasibility of and barriers to national implementation and to evaluate impact on coverage. Healthcare workers at 13 facilities maintained monovalent HepB birth dose (HepB-BD) OCC for up to 28days over 7months. Vaccination data were recorded for children born during the project and those born during 7months before the project...
April 18, 2017: Vaccine
https://www.readbyqxmd.com/read/28431787/-campylobacter-jejuni-o-19-serotype-in-argentine-poultry-meat-supply-chain
#5
Eugenia Rossler, Estefanía M Fuhr, Guillermina Lorenzón, Analía Romero-Scharpen, Ayelén P Berisvil, Jesica E Blajman, Diego M Astesana, Jorge A Zimmermann, Marcia L Fusari, Marcelo L Signorini, Lorena P Soto, Laureano S Frizzo, María V Zbrun
Thermotolerant species of Campylobacter have been focus of attention in the last years because they are the major agent causing zoonotic foodborne diseases. In addition, Campylobacter jejuni O:19 serotype was associated with Guillain Barré syndrome. The aim of this study was to determine the proportion of C. jejuni O:19 serotype isolated at different stages of three poultry meat supply chain in Santa Fe, Argentina. The analysis showed that 18% of isolated C. jejuni belong to serotype O:19. It was also determined that the presence of these strains is given in almost all production stages...
April 18, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28429710/life-cycle-assessment-needs-predictive-spatial-modelling-for-biodiversity-and-ecosystem-services
#6
Rebecca Chaplin-Kramer, Sarah Sim, Perrine Hamel, Benjamin Bryant, Ryan Noe, Carina Mueller, Giles Rigarlsford, Michal Kulak, Virginia Kowal, Richard Sharp, Julie Clavreul, Edward Price, Stephen Polasky, Mary Ruckelshaus, Gretchen Daily
International corporations in an increasingly globalized economy exert a major influence on the planet's land use and resources through their product design and material sourcing decisions. Many companies use life cycle assessment (LCA) to evaluate their sustainability, yet commonly-used LCA methodologies lack the spatial resolution and predictive ecological information to reveal key impacts on climate, water and biodiversity. We present advances for LCA that integrate spatially explicit modelling of land change and ecosystem services in a Land-Use Change Improved (LUCI)-LCA...
April 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28429675/cell-biology-of-hyphal-growth
#7
Gero Steinberg, Miguel A Peñalva, Meritxell Riquelme, Han A Wösten, Steven D Harris
Filamentous fungi are a large and ancient clade of microorganisms that occupy a broad range of ecological niches. The success of filamentous fungi is largely due to their elongate hypha, a chain of cells, separated from each other by septa. Hyphae grow by polarized exocytosis at the apex, which allows the fungus to overcome long distances and invade many substrates, including soils and host tissues. Hyphal tip growth is initiated by establishment of a growth site and the subsequent maintenance of the growth axis, with transport of growth supplies, including membranes and proteins, delivered by motors along the cytoskeleton to the hyphal apex...
April 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28426321/hansae-vietnam-s-garment-factory-latest-example-of-how-corporate-social-responsibility-has-failed-to-protect-workers
#8
Garrett Brown
A Korean-operated garment factory complex in Vietnam was subject to 26 separate corporate social responsibility (CSR) audits in 2015. However, thorough inspections by two other non-governmental organizations in 2016 found numerous violations of Vietnamese occupational health and safety and labor laws as well as violations of the corporate codes of conduct of the international clothing brands which source apparel from the facility. The 2016 investigations indicate the lack of efficacy of the 2015 CSR audits and call into question whether voluntary CSR programs and audits by for-profit CSR monitoring companies can effectively protect the health, safety and legal rights of workers in global supply chains...
April 20, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28426080/c-reactive-protein-and-interleukin-6-microfluidic-immunoassays-with-on-chip-pre-stored-reagents-and-centrifugo-pneumatic-liquid-control
#9
Y Zhao, G Czilwik, V Klein, K Mitsakakis, R Zengerle, N Paust
We present a fully automated centrifugal microfluidic method for particle based protein immunoassays. Stick-pack technology is employed for pre-storage and release of liquid reagents. Quantitative layout of centrifugo-pneumatic particle handling, including timed valving, switching and pumping is assisted by network simulations. The automation is exclusively controlled by the spinning frequency and does not require any additional means. New centrifugal microfluidic process chains are developed in order to sequentially supply wash buffer based on frequency dependent stick-pack opening and pneumatic pumping to perform two washing steps from one stored wash buffer; pre-store and re-suspend functionalized microparticles on a disk; and switch between the path of the waste fluid and the path of the substrate reaction product with 100% efficiency...
April 20, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28416042/earthquakes-fuel-crisis-power-outages-and-health-care-in-nepal-implications-for-the-future
#10
Bipin Adhikari, Shiva Raj Mishra, Sujan Babu Marahatta, Nils Kaehler, Kumar Paudel, Janak Adhikari, Shristi Raut
Earthquakes are a major natural calamity with pervasive effects on human life and nature. Similar effects are mimicked by man-made disasters such as fuel crises and power outages in developing countries. Natural and man-made disasters can cause intangible human suffering and often leave scars of lifelong psychosocial damage. Lessons from these disasters are frequently not implemented. The main objective of this study was to review the effects of the 2015 earthquakes, fuel crisis, and power outages on the health services of Nepal and formulate recommendations for the future...
April 18, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28410665/impact-of-dietary-precursor-ala-versus-preformed-dha-on-fatty-acid-profiles-of-eggs-liver-and-adipose-tissue-and-expression-of-genes-associated-with-hepatic-lipid-metabolism-in-laying-hens
#11
M Neijat, P Eck, J D House
Dietary omega-3 polyunsaturated fatty acids (n-3 PUFA), including alpha-linolenic acid (ALA) and preformed longer chain PUFA (LCPUFA, particularly docosahexaenoic acid, DHA) differ in their egg LCPUFA enrichment efficiency. However, mechanisms leading to these differences are unclear. To this end, omega-3 PUFA contents in different lipid classes, including triacylglycerol (TAG) and total phospholipid (PL) in yolk, liver and adipose, as well as the expression of key hepatic enzymes in lipid metabolism were evaluated in laying hens in response to changes in dietary supply...
April 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28407810/does-task-shifting-yield-cost-savings-and-improve-efficiency-for-health-systems-a-systematic-review-of-evidence-from-low-income-and-middle-income-countries
#12
Gabriel Seidman, Rifat Atun
BACKGROUND: Task shifting has become an increasingly popular way to increase access to health services, especially in low-resource settings. Research has demonstrated that task shifting, including the use of community health workers (CHWs) to deliver care, can improve population health. This systematic review investigates whether task shifting in low-income and middle-income countries (LMICs) results in efficiency improvements by achieving cost savings. METHODS: Using the PRISMA guidelines for systematic reviews, we searched PubMed, Embase, CINAHL, and the Health Economic Evaluation Database on March 22, 2016...
April 13, 2017: Human Resources for Health
https://www.readbyqxmd.com/read/28404662/slc25-family-member-genetic-interactions-identify-a-role-for-hem25-in-yeast-electron-transport-chain-stability
#13
J Noelia Dufay, J Pedro Fernández-Murray, Christopher R McMaster
The SLC25 family member SLC25A38 (Hem25 in yeast) was recently identified as a mitochondrial glycine transporter that provides substrate to initiate heme/hemoglobin synthesis. Mutations in the human SLC25A38 gene cause congenital sideroblastic anemia. The full extent to which SLC25 family members co-regulate heme synthesis with other mitochondrial functions is not clear. In this study, we surveyed 29 non-essential SLC25 family members in Saccharomyces cerevisiae for their ability to support growth in the presence and absence of HEM25...
April 12, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28402475/refold-a-server-for-the-refinement-of-3d-protein-models-guided-by-accurate-quality-estimates
#14
Ahmad N Shuid, Robert Kempster, Liam J McGuffin
ReFOLD is a novel hybrid refinement server with integrated high performance global and local Accuracy Self Estimates (ASEs). The server attempts to identify and to fix likely errors in user supplied 3D models of proteins via successive rounds of refinement. The server is unique in providing output for multiple alternative refined models in a way that allows users to quickly visualize the key residue locations, which are likely to have been improved. This is important, as global refinement of a full chain model may not always be possible, whereas local regions, or individual domains, can often be much improved...
April 10, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28399949/in-ovo-exposure-to-omega-3-fatty-acids-does-not-enhance-omega-3-long-chain-polyunsaturated-fatty-acid-metabolism-in-broiler-chickens
#15
K Kanakri, J Carragher, B Muhlhausler, R Hughes, R Gibson
The content of omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFA) in chicken meat can be boosted by feeding broilers a diet containing α-linolenic acid (ALA, from flaxseed oil), some of which is converted by hepatic enzymes to n-3 LCPUFA. However, most of the accumulated n-3 polyunsaturated fatty acid (PUFA) in meat tissues is still in the form of ALA. Despite this, the levels of chicken diets are being enhanced by the inclusion of vegetable and marine sources of omega-3 fats. This study investigated whether the capacity of chicken for n-3 LCPUFA accumulation could be enhanced or inhibited by exposure to an increased supply of ALA or n-3 LCPUFA in ovo...
April 12, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28399000/overcoming-health-system-challenges-for-women-and-children-living-with-hiv-through-the-global-plan
#16
Surbhi Modi, Tegan Callahan, Jessica Rodrigues, Mwikemo D Kajoka, Helen M Dale, Judite O Langa, Marilena Urso, Matsepeli I Nchephe, Helene Bongdene, Sostena Romano, Laura N Broyles
To meet the ambitious targets set by the Global Plan Towards the Elimination of New HIV Infections Among Children by 2015 and Keeping Their Mothers Alive (Global Plan), the initial 22 priority countries quickly developed innovative approaches for overcoming long-standing health systems challenges and providing HIV testing and treatment to pregnant and breastfeeding women and their infants. The Global Plan spurred programs for prevention of mother-to-child HIV transmission to integrate HIV-related care and treatment into broader maternal, newborn, and child health services; expand the effectiveness of the health workforce through task sharing; extend health services into communities; strengthen supply chain and commodity management systems; reduce diagnostic and laboratory hurdles; and strengthen strategic supervision and mentorship...
May 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28395669/single-swim-sessions-in-c-elegans-induce-key-features-of-mammalian-exercise
#17
Ricardo Laranjeiro, Girish Harinath, Daniel Burke, Bart P Braeckman, Monica Driscoll
BACKGROUND: Exercise exerts remarkably powerful effects on metabolism and health, with anti-disease and anti-aging outcomes. Pharmacological manipulation of exercise benefit circuits might improve the health of the sedentary and the aging populations. Still, how exercised muscle signals to induce system-wide health improvement remains poorly understood. With a long-term interest in interventions that promote animal-wide health improvement, we sought to define exercise options for Caenorhabditis elegans...
April 10, 2017: BMC Biology
https://www.readbyqxmd.com/read/28393019/aiding-eco-labelling-process-and-its-implementation-environmental-impact-assessment-methodology-to-define-product-category-rules-for-canned-anchovies
#18
Jara Laso, María Margallo, Pére Fullana, Alba Bala, Cristina Gazulla, Ángel Irabien, Rubén Aldaco
To be able to fulfil high market expectations for a number of practical applications, Environmental Product Declarations (EPDs) have to meet and comply with specific and strict methodological prerequisites. These expectations include the possibility to add up Life Cycle Assessment (LCA)-based information in the supply chain and to compare different EPDs. To achieve this goal, common and harmonized calculation rules have to be established, the so-called Product Category Rules (PCRs), which set the overall LCA calculation rules to create EPDs...
2017: MethodsX
https://www.readbyqxmd.com/read/28384576/influences-of-reverse-outsourcing-on-green-technological-progress-from-the-perspective-of-a-global-supply-chain
#19
Shuhong Wang, Malin Song
As a newly appeared trade mode in recent years, reverse outsourcing has made a great impact on traditional trade modes. This paper researched the influences of reverse outsourcing on green technological progress from the perspective of a global supply chain by using micro-data of enterprises. It worked out the rate of green technological progress from two innovative concepts: potential production technology and practical production technology. The empirical analysis results indicated that reverse outsourcing stimulates, and enterprise size and ownership type potentially affects, green technological progress...
April 3, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28384250/development-of-closed-loop-supply-chain-network-in-terms-of-corporate-social-responsibility
#20
Ali Pedram, Payam Pedram, Nukman Bin Yusoff, Shahryar Sorooshian
Due to the rise in awareness of environmental issues and the depletion of virgin resources, many firms have attempted to increase the sustainability of their activities. One efficient way to elevate sustainability is the consideration of corporate social responsibility (CSR) by designing a closed loop supply chain (CLSC). This paper has developed a mathematical model to increase corporate social responsibility in terms of job creation. Moreover the model, in addition to increasing total CLSC profit, provides a range of strategic decision solutions for decision makers to select a best action plan for a CLSC...
2017: PloS One
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