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https://www.readbyqxmd.com/read/29149708/photodegradation-of-novel-oral-anticoagulants-under-sunlight-irradiation-in-aqueous-matrices
#1
Montaha Yassine, Laura Fuster, Marie-Hélène Dévier, Emmanuel Geneste, Patrick Pardon, Axelle Grélard, Erick Dufourc, Mohamad Al Iskandarani, Selim Aït-Aïssa, Jeanne Garric, Hélène Budzinski, Patrick Mazellier, Aurélien S Trivella
Kinetics of photodegradation of novel oral anticoagulants dabigatran, rivaroxaban, and apixaban were studied under simulated solar light irradiation in purified, mineral, and river waters. Dabigatran and rivaroxaban underwent direct photolysis with polychromatic quantum yields of 2.2 × 10(-4) and 4.4 × 10(-2), respectively. The direct photodegradation of apixaban was not observed after 19 h of irradiation. Kinetics of degradation of rivaroxaban was not impacted by the nature of the aqueous matrix while photosensitization from nitrate ions was observed for dabigatran and apixaban dissolved in a mineral water...
November 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/29149497/perceptions-of-general-and-postpresidential-election-discrimination-are-associated-with-loss-of-control-eating-among-racially-ethnically-diverse-young-men
#2
Nichole R Kelly, Tasia M Smith, Gordon C N Hall, Claire Guidinger, Gina Williamson, Elizabeth L Budd, Nicole R Giuliani
OBJECTIVE: The purpose of this study was to examine the association between young men's perceived experiences with discrimination, both general and following the 2016 presidential election, and their loss of control (LOC) eating. The degree to which men identified with their ethnic identity was evaluated as a moderator. METHOD: The sample included 798 men (18-30 years; M = 24.0 ± 3.6) who identified as African American (n = 261), Asian/Asian American (n = 266), or Hispanic/Latino (n = 271)...
November 17, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/29149368/dietary-guidance-for-lutein-consideration-for-intake-recommendations-is-scientifically-supported
#3
Katherine M Ranard, Sookyoung Jeon, Emily S Mohn, James C Griffiths, Elizabeth J Johnson, John W Erdman
Lutein, a yellow xanthophyll carotenoid found in egg yolks and many colorful fruits and vegetables, has gained public health interest for its putative role in visual performance and reducing the risk of age-related macular degeneration. The National Academies of Sciences, Engineering and Medicine's recommended Dietary Reference Intakes (DRIs) focus on preventing deficiency and toxicity, but there is a budding interest in establishing DRI-like guidelines for non-essential bioactives, like lutein, that promote optimal health and/or prevent chronic diseases...
November 17, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29149052/flanking-variation-influences-rates-of-stutter-in-simple-repeats
#4
August E Woerner, Jonathan L King, Bruce Budowle
It has been posited that the longest uninterrupted stretch (LUS) of tandem repeats, as defined by the number of exactly matching repeating motif units, is a better predictor of rates of stutter than the parental allele length (PAL). While there are cases where this hypothesis is likely correct, such as the 9.3 allele in the TH01 locus, there can be situations where it may not apply as well. For example, the PAL may capture flanking indel variations while remaining insensitive to polymorphisms in the repeat, and these haplotypic changes may impact the stutter rate...
November 17, 2017: Genes
https://www.readbyqxmd.com/read/29148969/the-structure-of-the-copi-coat-determined-within-the-cell
#5
Yury S Bykov, Miroslava Schaffer, Svetlana O Dodonova, Sahradha Albert, Jürgen M Plitzko, Wolfgang Baumeister, Benjamin D Engel, John Ag Briggs
COPI-coated vesicles mediate trafficking within the Golgi apparatus and from the Golgi to the endoplasmic reticulum. The structures of membrane protein coats, including COPI, have been extensively studied with in vitro reconstitution systems using purified components. In a previous paper (Dodonova et al., 2017), we determined a complete structural model of the in vitro reconstituted COPI coat. Here, we applied cryo-focused ion beam milling, cryo-electron tomography and subtomogram averaging to determine the native structure of the COPI coat within vitrified Chlamydomonas reinhardtii cells...
November 17, 2017: ELife
https://www.readbyqxmd.com/read/29148547/-authors-response-october-15-2017-to-the-letter-to-the-editor-concerning-the-paper-factors-affecting-exposure-level-for-medical-staff-during-orthopedic-procedures-under-fluoroscopic-control
#6
Maria A Staniszewska, Renata Kopeć, Maciej Budzanowski, Edyta Owsiak
No abstract text is available yet for this article.
November 16, 2017: Medycyna Pracy
https://www.readbyqxmd.com/read/29148239/metabolic-signature-of-microvescicles-from-umbilical-cord-mesenchimal-stem-cells-of-preterm-and-term-infants
#7
Maurizio Bruschi, Laura Santucci, Silvia Ravera, Martina Bartolucci, Andrea Petretto, Daniela Calzia, Gianmarco Ghiggeri, Luca A Ramenghi, Giovanni Candiano, Isabella Panfoli
PURPOSE: Microvesicles, 200-1000 nm bodies budding from the cell plasma membrane, are a promising source of biomarkers. This study aimed at comparing the proteome of Microvesicles collected by ultracentrifugation from cultured Mesenchymal Stem Cells from Human Umbilical Cord of Preterm newborns(<34-weeks gestational age) in comparison to infants at Term(≥37 weeks). This discovery study was designed to establish the signature of prematurity. EXPERIMENTAL DESIGN: Orbitrap mass spectrometry, statistical, bioinformatics and biochemical analyses were employed...
November 16, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29148101/homeobox-protein-msx-1-inhibits-expression-of-bone-morphogenetic-protein-2-bone-morphogenetic-protein-4-and-lymphoid-enhancer-binding-factor-1-via-wnt-%C3%AE-catenin-signaling-to-prevent-differentiation-of-dental-mesenchymal-cells-during-the-late-bell-stage
#8
Xiao-Yu Feng, Xiao-Shan Wu, Jin-Song Wang, Chun-Mei Zhang, Song-Lin Wang
Homeobox protein MSX-1 (hereafter referred to as MSX-1) is essential for early tooth-germ development. Tooth-germ development is arrested at bud stage in Msx1 knockout mice, which prompted us to study the functions of MSX-1 beyond this stage. Here, we investigated the roles of MSX-1 during late bell stage. Mesenchymal cells of the mandibular first molar were isolated from mice at embryonic day (E)17.5 and cultured in vitro. We determined the expression levels of β-catenin, bone morphogenetic protein 2 (Bmp2), Bmp4, and lymphoid enhancer-binding factor 1 (Lef1) after knockdown or overexpression of Msx1...
November 17, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/29147563/a-novel-microaneurysms-detection-approach-based-on-convolutional-neural-networks-with-reinforcement-sample-learning-algorithm
#9
Umit Budak, Abdulkadir Şengür, Yanhui Guo, Yaman Akbulut
Microaneurysms (MAs) are known as early signs of diabetic-retinopathy which are called red lesions in color fundus images. Detection of MAs in fundus images needs highly skilled physicians or eye angiography. Eye angiography is an invasive and expensive procedure. Therefore, an automatic detection system to identify the MAs locations in fundus images is in demand. In this paper, we proposed a system to detect the MAs in colored fundus images. The proposed method composed of three stages. In the first stage, a series of pre-processing steps are used to make the input images more convenient for MAs detection...
December 2017: Health Information Science and Systems
https://www.readbyqxmd.com/read/29147520/enhancing-charge-mobilities-in-organic-semiconductors-by-selective-fluorination-a-design-approach-based-on-a-quantum-mechanical-perspective
#10
Buddhadev Maiti, Alexander Schubert, Sunandan Sarkar, Srijana Bhandari, Kunlun Wang, Zhe Li, Eitan Geva, Robert J Twieg, Barry D Dunietz
Selective fluorination of organic semiconducting molecules is proposed as a means to achieving enhanced hole mobility. Naphthalene is examined here as a root molecular system with fluorination performed at various sites. Our quantum chemical calculations show that selective fluorination can enhance attractive intermolecular interactions while reducing charge trapping. Those observations suggest a design principle whereby fluorination is utilized for achieving high charge mobilities in the crystalline form. The utility of this design principle is demonstrated through an application to perylene, which is an important building block of organic semiconducting materials...
October 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/29147056/organizing-integrated-health-care-services-to-meet-older-people-s-needs
#11
Islene Araujo de Carvalho, JoAnne Epping-Jordan, Anne Margriet Pot, Edward Kelley, Nuria Toro, Jotheeswaran A Thiyagarajan, John R Beard
In most countries, a fundamental shift in the focus of clinical care for older people is needed. Instead of trying to manage numerous diseases and symptoms in a disjointed fashion, the emphasis should be on interventions that optimize older people's physical and mental capacities over their life course and that enable them to do the things they value. This, in turn, requires a change in the way services are organized: there should be more integration within the health system and between health and social services...
November 1, 2017: Bulletin of the World Health Organization
https://www.readbyqxmd.com/read/29146766/lipid-droplet-biogenesis-is-spatially-coordinated-at-er-vacuole-contacts-under-nutritional-stress
#12
Hanaa Hariri, Sean Rogers, Rupali Ugrankar, Yang Lydia Liu, J Ryan Feathers, W Mike Henne
Eukaryotic cells store lipids in cytosolic organelles known as lipid droplets (LDs). Lipid droplet bud from the endoplasmic reticulum (ER), and may be harvested by the vacuole for energy during prolonged periods of starvation. How cells spatially coordinate LD production is poorly understood. Here, we demonstrate that yeast ER-vacuole contact sites (NVJs) physically expand in response to metabolic stress, and serve as sites for LD production. NVJ tether Mdm1 demarcates sites of LD budding, and interacts with fatty acyl-CoA synthases at the NVJ periphery...
November 16, 2017: EMBO Reports
https://www.readbyqxmd.com/read/29146646/cross-sectional-study-of-the-financial-cost-of-training-to-the-surgical-trainee-in-the-uk-and-ireland
#13
John O'Callaghan, Helen M Mohan, Anna Sharrock, Vimal Gokani, J Edward Fitzgerald, Adam P Williams, Rhiannon L Harries
OBJECTIVES: Applications for surgical training have declined over the last decade, and anecdotally the costs of training at the expense of the surgical trainee are rising. We aimed to quantify the costs surgical trainees are expected to cover for postgraduate training. DESIGN: Prospective, cross-sectional, questionnaire-based study. SETTING/PARTICIPANTS: A non-mandatory online questionnaire for UK-based trainees was distributed nationally...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29146638/preventing-type-2-diabetes-systematic-review-of-studies-of-cost-effectiveness-of-lifestyle-programmes-and-metformin-with-and-without-screening-for-pre-diabetes
#14
Samantha Roberts, Eleanor Barry, Dawn Craig, Mara Airoldi, Gwyn Bevan, Trisha Greenhalgh
OBJECTIVE: Explore the cost-effectiveness of lifestyle interventions and metformin in reducing subsequent incidence of type 2 diabetes, both alone and in combination with a screening programme to identify high-risk individuals. DESIGN: Systematic review of economic evaluations. DATA SOURCES AND ELIGIBILITY CRITERIA: Database searches (Embase, Medline, PreMedline, NHS EED) and citation tracking identified economic evaluations of lifestyle interventions or metformin alone or in combination with screening programmes in people at high risk of developing diabetes...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29146624/recognition-assessment-and-management-of-the-mechanical-complications-of-acute-myocardial-infarction
#15
Andras Peter Durko, Ricardo P J Budde, Marcel L Geleijnse, Arie Pieter Kappetein
No abstract text is available yet for this article.
November 16, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29146315/sensory-olfactometry-and-comprehensive-two-dimensional-gas-chromatography-analyses-as-appropriate-tools-to-characterize-the-effects-of-vine-management-on-wine-aroma
#16
Karine P Nicolli, Aline C T Biasoto, Érica A Souza-Silva, Celito C Guerra, Henrique P Dos Santos, Juliane E Welke, Cláudia A Zini
For the first time, the influence of different vine management was evaluated in relation to volatile profile and sensory perception through GC×GC/TOFMS, QDA, GC-FID, GC/MS, and GC-O. GC×GC/TOFMS analyses and QDA have shown that a larger spacing between vine rows (2 rather than 1m), attachment of shoots upwards, and irrigation did not result in wine improvement. Conversely, wines elaborated with grapes from a vine with a lower bud load (20 per plant; sample M1) stood out among the other procedures, rendering the most promising wine aroma...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146220/autologous-chondrocyte-implantation-for-talar-osteochondral-lesions-comparison-between-5-year-follow-up-magnetic-resonance-imaging-findings-and-7-year-follow-up-clinical-results
#17
Gherardo Pagliazzi, Francesca Vannini, Milva Battaglia, Laura Ramponi, Roberto Buda
Autologous chondrocyte implantation (ACI) is an established surgical procedure that has provided satisfactory results. The aim of the present study was to correlate the clinical outcomes of a series of 20 patients treated by ACI at a 7-year follow-up examination with the magnetic resonance imaging (MRI) T2-mapping 5-year follow-up findings. We evaluated 20 patients using the American Orthopaedic Foot and Ankle Society (AOFAS) score preoperatively and the established follow-up protocol until 87.2 ± 14.5 months...
November 14, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29146154/biological-effects-of-carbon-ion-beams-with-various-lets-on-budding-yeast-saccharomyces-cerevisiae
#18
Youichirou Matuo, Yoshinobu Izumi, Yoshiya Furusawa, Kikuo Shimizu
It has been established that irradiation with higher linear energy transfer (LET) increases lethality and mutagenicity more than that with lower LET. However, the characteristics specific to carbon ion beam have not yet been elucidated. Yeast cells were irradiated with carbon ions with an LET of 13 or 50keV/μm, and cell survival and mutation frequency were analyzed. The results, combined with our previous findings for ions with an LET of 107keV/μm, demonstrated that, in conjunction with an increase in LET, cell survival decreased, while mutation frequency increased...
November 7, 2017: Mutation Research
https://www.readbyqxmd.com/read/29145572/difference-in-clinical-course-genetics-and-the-microbiome-between-familial-and-sporadic-inflammatory-bowel-diseases
#19
Nienke Z Borren, Grace Conway, John J Garber, Hamed Khalili, Shrish Budree, Himel Mallick, Vijay Yajnik, Ramnik J Xavier, Ashwin N Ananthakrishnan
Objective: Family history is the strongest risk factor for developing Crohn's disease (CD) or ulcerative colitis (UC). We investigated whether the proximity of relationship with the affected relative and concordance for type of IBD modifies the effect of family history on phenotype and disease severity. Design: This cross-sectional study included patients with a confirmed diagnosis of IBD in a clinical registry. Family history of IBD was assessed by a questionnaire ascertaining presence of disease in a 1 st degree, 2 nd degree or a distant relative...
November 14, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29145246/case-report-pentoxifylline-treatment-in-microscopic-colitis
#20
Thomas G Cotter, Amrit K Kamboj, Stephen Bradley Hicks, William J Tremaine, Edward V Loftus, Darrell S Pardi
RATIONALE: Microscopic colitis is a common cause of diarrhea. Pentoxifylline, a xanthine derivative with anti-tumor necrosis factor-alpha properties, is prescribed for intermittent claudication and other disorders. Our goal was to evaluate the outcomes of patients with microscopic colitis treated with pentoxifylline. PATIENT CONCERNS: Nine patients with microscopic colitis (8 collagenous colitis and 1 lymphocytic colitis) seen at Mayo Clinic, Rochester, between January 1, 1997 and November 30, 2016, were included...
November 2017: Medicine (Baltimore)
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