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https://www.readbyqxmd.com/read/29145692/the-investigation-on-resorcinarenes-towards-either-inhibiting-or-promoting-insulin-fibrillation
#1
Xu Han, Chuan Tian, Ingrid Gandra, Valeria Eslava, Diana Galindres, Edgar Vargas, Roger Leblanc
Different tail enigneered resorcinarenes have been examined towards the insulin fibrillation via experimental and computational studies. The resorcinarene showed a promising effect on the inhibition of insulin fibrillalition via ThT assay, CD spectra, and AFM images. Both ThT assay and computational results indicate the tail from the resorcinarene has an impact on insulin fibrillation by either inhibition or promotion because of the resident position on insulin. These observations have significant biological implications in the design of lead drug molecules as well as the development of potential therapeutic strategies...
November 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29145645/waddlia-chondrophila-a-chlamydia-related-bacterium-has-a-negative-impact-on-human-spermatozoa
#2
D Baud, N Vulliemoz, A Ammerdorffer, J Gyger, G Greub, V Castella, M Stojanov
STUDY QUESTION: What is the impact of Waddlia chondrophila, an emerging Chlamydia-related bacterium associated with miscarriage, on human spermatozoa? SUMMARY ANSWER: W. chondrophila had a negative impact on human spermatozoa (decrease in viability and mitochondrial membrane potential) and was not entirely removed from infected samples by density gradient centrifugation. WHAT IS KNOWN ALREADY: Bacterial infection or colonization might have a deleterious effect on male fertility...
November 14, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29145640/craving-as-a-dsm-5-symptom-of-alcohol-use-disorder-in-non-treatment-seekers
#3
Emily E Hartwell, Lara A Ray
Aims: DSM-5 has added craving as a new criterion and changed the diagnostic structure of alcohol use disorder (AUD). Though craving has long been a target of intervention, less is known about the impact this addition will have on prevalence and factor structure of AUD, particularly in non-treatment seeker with alcohol problems. Methods: Non-treatment seeking individuals reporting alcohol-related problems (N = 296) completed a structured clinical interview and the Penn Alcohol Craving Scale (PACS)...
November 14, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/29145638/consequences-of-calorie-restriction-and-calorie-excess-for-the-physiological-parameters-of-the-yeast-saccharomyces-cerevisiae-cells
#4
Roman Maslanka, Magdalena Kwolek-Mirek, Renata Zadrag-Tecza
Glucose plays an important role in cell metabolism and has an impact on cellular physiology. Changes in glucose availability may strongly influence growth rate of the cell size, cell metabolism and the rate of generation of cellular by-products, such as reactive oxygen species. The positive effect of low glucose concentration conditions-calorie restriction is observed in a wide range of species, including the Saccharomyces cerevisiae yeast, yet little is known about the effect of high glucose concentrations-calorie excess...
November 14, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/29145618/the-histone-variant-h2a-z-promotes-initiation-of-meiotic-recombination-in-fission-yeast
#5
Shintaro Yamada, Kazuto Kugou, Da-Qiao Ding, Yurika Fujita, Yasushi Hiraoka, Hiroshi Murakami, Kunihiro Ohta, Takatomi Yamada
Meiotic recombination is initiated by programmed formation of DNA double strand breaks (DSBs), which are mainly formed at recombination hotspots. Meiotic DSBs require multiple proteins including the conserved protein Spo11 and its cofactors, and are influenced by chromatin structure. For example, local chromatin around hotspots directly impacts DSB formation. Moreover, DSB is proposed to occur in a higher-order chromatin architecture termed 'axis-loop', in which many loops protrude from cohesin-enriched axis...
November 14, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29145617/radiological-impact-of-some-common-foods-of-southern-part-of-west-bengal-india
#6
Biswajit Das, Argha Deb, Saheli Chowdhury
An appreciable portion of human exposure to natural radioactivity comes from food and drinking water. Gross alpha radioactivity has been measured in thirty one food items consumed almost every day by the people of southern part of West Bengal, India, by using the solid state nuclear track detector LR-115. The annual effective doses due to intake of alpha-emitting radionuclides through these food items have also been estimated, and the total average annual dose received by an adultthrough ingestion of these foodstuffs calculated, considering the food habit of the people of the region...
November 14, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29145596/a-crispr-cas9-based-exploration-into-the-elusive-mechanism-for-lactate-export-in-saccharomyces-cerevisiae
#7
Robert Mans, Else-Jasmijn Hassing, Melanie Wijsman, Annabel Giezekamp, Jack T Pronk, Jean-Marc Daran, Antonius J A van Maris
CRISPR/Cas9-based genome editing allows rapid, simultaneous modification of multiple genetic loci in Saccharomyces cerevisiae. Here, this technique was used in a functional analysis study aimed at identifying the hitherto unknown mechanism of lactate export in this yeast. First, an S. cerevisiae strain was constructed with deletions in 25 genes encoding transport proteins, including the complete aqua(glycero)porin family and all known carboxylic-acid transporters. The 25-deletion strain was then transformed with an expression cassette for Lactobacillus casei lactate dehydrogenase (LcLDH)...
November 14, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/29145592/soil-bacterial-community-response-to-altered-precipitation-and-temperature-regimes-in-an-old-field-grassland-are-mediated-by-plants
#8
Akihiro Koyama, J Megan Steinweg, Michelle L Haddix, Jeffrey S Dukes, Matthew D Wallenstein
The structure and function of soil microbiomes often change in response to experimental climate manipulations, suggesting an important role in ecosystem feedbacks. However, it is difficult to know if microbes are responding directly to environmental changes or are more strongly impacted by plant responses. We investigated soil microbial responses to precipitation and temperature manipulations at the Boston-Area Climate Experiment in Massachusetts, USA in both vegetated and bare plots to parse direct vs plant-mediated response to multi-factor climate change...
November 14, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/29145590/who-uses-foodbanks-and-why-exploring-the-impact-of-financial-strain-and-adverse-life-events-on-food-insecurity
#9
E Prayogo, A Chater, S Chapman, M Barker, N Rahmawati, T Waterfall, G Grimble
Background: Rising use of foodbanks highlights food insecurity in the UK. Adverse life events (e.g. unemployment, benefit delays or sanctions) and financial strains are thought to be the drivers of foodbank use. This research aimed to explore who uses foodbanks, and factors associated with increased food insecurity. Methods: We surveyed those seeking help from front line crisis providers from foodbanks (N = 270) and a comparison group from Advice Centres (ACs) (N = 245) in relation to demographics, adverse life events, financial strain and household food security...
November 14, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/29145589/the-abcds-of-pain-management-a-double-blind-randomized-controlled-trial-examining-the-impact-of-a-brief-educational-video-on-infants-and-toddlers-pain-scores-and-parent-soothing-behavior
#10
Rebecca Pillai Riddell, Monica C O'Neill, Lauren Campbell, Anna Taddio, Saul Greenberg, Hartley Garfield
Objectives: To test the efficacy of a brief behavioral pain management strategy (The ABCDs of Needle Pain Management), delivered via video, on infants' and toddlers' pain scores and on parental soothing behavior. Methods: This was a double-blind, parallel trial design. Parent-child dyads (N = 128) were recruited before their child's 6-month (infant) or 18-month (toddler) vaccination in a pediatric clinic and randomly assigned to watch a 5-min treatment video or a placebo video...
November 14, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/29145569/immune-system-an-emerging-player-in-mediating-effects-of-endocrine-disruptors-on-metabolic-health
#11
Amita Bansal, Jorge Henao Mejia, Rebecca A Simmons
The incidence of metabolic disorders like type 2 diabetes and obesity continue to increase. In addition to the well-known contributors such as food intake and sedentary lifestyle, recent research in the exposure science discipline provides new evidence that exposure to endocrine disrupting chemicals like bisphenol A and phthalates via multiple routes (food, drink and skin contact) also contribute to the increased risk of metabolic disorders. Endocrine disrupting chemicals (EDCs) can disrupt any aspect of hormone action...
November 14, 2017: Endocrinology
https://www.readbyqxmd.com/read/29145512/impact-of-the-surgical-strategy-on-the-incidence-of-c5-nerve-root-palsy-in-decompressive-cervical-surgery
#12
Theresa Krätzig, Malte Mohme, Klaus C Mende, Sven O Eicker, Frank W Floeth
OBJECTIVE: Our aim was to identify the impact of different surgical strategies on the incidence of C5 palsy. BACKGROUND: Degenerative cervical spinal stenosis is a steadily increasing morbidity in the ageing population. Postoperative C5 nerve root palsy is a common complication with severe impact on the patients´ quality of life. METHODS: We identified 1708 consecutive patients who underwent cervical decompression surgery due to degenerative changes...
2017: PloS One
https://www.readbyqxmd.com/read/29145497/rare-genetic-variants-in-the-endocannabinoid-system-genes-cnr1-and-dagla-are-associated-with-neurological-phenotypes-in-humans
#13
Douglas R Smith, Christine M Stanley, Theodore Foss, Richard G Boles, Kevin McKernan
Rare genetic variants in the core endocannabinoid system genes CNR1, CNR2, DAGLA, MGLL and FAAH were identified in molecular testing data from 6,032 patients with a broad spectrum of neurological disorders. The variants were evaluated for association with phenotypes similar to those observed in the orthologous gene knockouts in mice. Heterozygous rare coding variants in CNR1, which encodes the type 1 cannabinoid receptor (CB1), were found to be significantly associated with pain sensitivity (especially migraine), sleep and memory disorders-alone or in combination with anxiety-compared to a set of controls without such CNR1 variants...
2017: PloS One
https://www.readbyqxmd.com/read/29145488/pseudoalteromonas-piratica-strain-ocn003-is-a-coral-pathogen-that-causes-a-switch-from-chronic-to-acute-montipora-white-syndrome-in-montipora-capitata
#14
Silvia Beurmann, Blake Ushijima, Patrick Videau, Christina Marie Svoboda, Ashley Marie Smith, Orion Silverstar Rivers, Greta Smith Aeby, Sean Michael Callahan
Reports of mass coral mortality from disease have increased over the last two decades. Montipora white syndrome (MWS) is a tissue loss disease that has negatively impacted populations of the coral Montipora capitata in Kāne'ohe Bay, Hawai'i. Two types of MWS have been documented; a progressive disease termed chronic MWS (cMWS), that can be caused by Vibrio owensii strain OCN002, and a comparatively faster disease termed acute MWS (aMWS), that can be caused by Vibrio coralliilyticus strain OCN008. M. capitata colonies exhibiting cMWS can spontaneously switch to aMWS in the field...
2017: PloS One
https://www.readbyqxmd.com/read/29145486/geography-of-current-and-future-global-mammal-extinction-risk
#15
Ana D Davidson, Kevin T Shoemaker, Ben Weinstein, Gabriel C Costa, Thomas M Brooks, Gerardo Ceballos, Volker C Radeloff, Carlo Rondinini, Catherine H Graham
Identifying which species are at greatest risk, what makes them vulnerable, and where they are distributed are central goals for conservation science. While knowledge of which factors influence extinction risk is increasingly available for some taxonomic groups, a deeper understanding of extinction correlates and the geography of risk remains lacking. Here, we develop a predictive random forest model using both geospatial and mammalian species' trait data to uncover the statistical and geographic distributions of extinction correlates...
2017: PloS One
https://www.readbyqxmd.com/read/29145484/lifestyle-intervention-program-in-deprived-obese-adult-patients-and-their-non-deprived-counterparts
#16
Celine Loddo, Emilie Pupier, Rémy Amour, Maud Monsaingeon-Henry, Kamel Mohammedi, Blandine Gatta-Cherifi
INTRODUCTION: Although it is known that the prevalence of obesity is high in deprived patients, the link between deprivation and obesity, and the impact of deprivation on compliance and efficacy of a lifestyle intervention program are not known. MATERIALS AND METHODS: Deprivation was assessed in 40 patients (23 Females, mean±SD age: 49±17 years) from the diabetology department and 140 patients (101 Females, age: 50±15 years) from the nutrition department of Bordeaux University hospital...
2017: PloS One
https://www.readbyqxmd.com/read/29145464/cellular-hnrnp-a2-b1-interacts-with-the-np-of-influenza-a-virus-and-impacts-viral-replication
#17
Cheng-Kai Chang, Chi-Jene Chen, Chih-Ching Wu, Shiau-Wen Chen, Shin-Ru Shih, Rei-Lin Kuo
The viral ribonucleoprotein (vRNP) of influenza A virus is formed by virion RNA (vRNA), viral polymerase complex, and nucleoprotein (NP). The NP plays an important role in facilitating the replication and stabilization of viral RNA. To explore host factors that may be involved in the regulation of viral replication through interactions with NP, we conducted an immunoprecipitation experiment followed by mass spectrometry to identify NP-associated cellular proteins. Here, we demonstrate that NP can interact and colocalize with heterogeneous nuclear ribonucleoprotein (hnRNP) A2/B1 in mammalian cells and that the interaction may occur via direct binding to the glycine-rich domain (GRD) of hnRNP A2/B1...
2017: PloS One
https://www.readbyqxmd.com/read/29145461/climate-change-mitigation-opportunities-based-on-carbon-footprint-estimates-of-dietary-patterns-in-peru
#18
Ian Vázquez-Rowe, Gustavo Larrea-Gallegos, Pedro Villanueva-Rey, Alessandro Gilardino
Food consumption accounts for an important proportion of the world GHG emissions per capita. Previous studies have delved into the nature of dietary patterns, showing that GHG reductions can be achieved in diets if certain foods are consumed rather than other, more GHG intensive products. For instance, vegetarian and low-meat diets have proved to be less carbon intensive than diets that are based on ruminant meat. These environmental patterns, increasingly analyzed in developed nations, are yet to be assessed in countries liked Peru where food purchase represents a relatively high percentage of the average household expenditure, ranging from 38% to 51% of the same...
2017: PloS One
https://www.readbyqxmd.com/read/29145446/large-scale-climatic-effects-on-traditional-hawaiian-fishpond-aquaculture
#19
Daniel McCoy, Margaret A McManus, Keliʻiahonui Kotubetey, Angela Hiʻilei Kawelo, Charles Young, Brandon D'Andrea, Kathleen C Ruttenberg, Rosanna ʻAnolani Alegado
Aquaculture accounts for almost one-half of global fish consumption. Understanding the regional impact of climate fluctuations on aquaculture production thus is critical for the sustainability of this crucial food resource. The objective of this work was to understand the role of climate fluctuations and climate change in subtropical coastal estuarine environments within the context of aquaculture practices in He'eia Fishpond, O'ahu Island, Hawai'i. To the best of our knowledge, this was the first study of climate effects on traditional aquaculture systems in the Hawaiian Islands...
2017: PloS One
https://www.readbyqxmd.com/read/29145445/a-new-approach-by-optical-coherence-tomography-for-elucidating-biofilm-formation-by-emergent-candida-species
#20
Melyna Chaves Leite de Andrade, Marcos Andre Soares de Oliveira, Franz de Assis Graciano Dos Santos, Pamella de Brito Ximenes Vilela, Michellangelo Nunes da Silva, Danielle Patrícia Cerqueira Macêdo, Reginaldo Gonçalves de Lima Neto, Henrique Jonh Pereira Neves, Ildnay de Souza Lima Brandão, Guilherme Maranhão Chaves, Renato Evangelista de Araujo, Rejane Pereira Neves
The majority of microorganisms present a community lifestyle, establishing biofilm ecosystems. However, little is known about its formation in emergent Candida species involved in catheter-related infections. Thus, various techniques may be used in the biofilm detection to elucidate structure and clinical impact. In this context, we report the ability of emergent Candida species (Candida haemulonii, C. lusitaniae, C. pelliculosa, C.guilliermondii, C. famata and C. ciferrii) on developing well structured biofilms with cell viability and architecture, using optical coherence tomography (OCT)...
2017: PloS One
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