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https://www.readbyqxmd.com/read/28073565/heterogeneous-distribution-in-sediments-and-dispersal-in-waters-of-alexandrium-minutum-in-a-semi-enclosed-coastal-ecosystem
#1
Z K Klouch, F Caradec, M Plus, T Hernández-Fariñas, L Pineau-Guillou, A Chapelle, S Schmitt, J Quéré, L Guillou, R Siano
Within the framework of research aimed at using genetic methods to evaluate harmful species distribution and their impact on coastal ecosystems, a portion of the ITS1rDNA of Alexandrium minutum was amplified by real-time PCR from DNA extracts of superficial (1-3cm) sediments of 30 subtidal and intertidal stations of the Bay of Brest (Brittany, France), during the winters of 2013 and 2015. Cell germinations and rDNA amplifications of A. minutum were obtained for sediments of all sampled stations, demonstrating that the whole bay is currently contaminated by this toxic species...
December 2016: Harmful Algae
https://www.readbyqxmd.com/read/28046700/mo-de-207b-11-reliability-of-pet-ct-radiomics-features-in-functional-and-morphological-components-of-nsclc-lesions-a-repeatability-analysis-in-a-prospective-multicenter-cohort
#2
M Desseroit, F Tixier, M Majdoub, W Weber, B Siegel, C Cheze Le Rest, D Visvikis, M Hatt
PURPOSE: The goal of this study was to evaluate the repeatability of radiomics features (intensity, shape and heterogeneity) in both PET and low-dose CT components of test-retest FDG-PET/CT images in a prospective multicenter cohort of 74 NSCLC patients from ACRIN 6678 and a similar Merck trial. METHODS: Seventy-four patients with stage III-IV NCSLC were prospectively included. The primary tumor and up to 3 additional lesions per patient were analyzed. The Fuzzy Locally Adaptive Bayesian algorithm was used to automatically delineate metabolically active volume (MAV) in PET...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28003060/two-decades-of-pseudo-nitzschia-spp-blooms-and-king-scallop-pecten-maximus-contamination-by-domoic-acid-along-the-french-atlantic-and-english-channel-coasts-seasonal-dynamics-spatial-heterogeneity-and-interannual-variability
#3
Bérengère Husson, Tania Hernández-Fariñas, Romain Le Gendre, Mathilde Schapira, Annie Chapelle
King scallop contamination (Pecten maximus) by domoic acid, a neurotoxin produced by some species of the diatom Pseudo-nitzschia, is highly problematic because of its lengthy retention in the bivalve tissue, leading to prolonged fishery closures. Data collected within the French Phytoplankton and Phycotoxin monitoring network (REPHY) over the 1995-2012 period were used to characterize the seasonal dynamics and the interannual variability of P.-nitzschia spp. blooms as well as the contamination of king scallop fishing grounds, in six contrasted bays distributed along the French Atlantic coast and English Channel...
January 2016: Harmful Algae
https://www.readbyqxmd.com/read/27994032/rapid-decay-of-engulfed-extracellular-mirna-by-xrn1-exonuclease-promotes-transient-epithelial-mesenchymal-transition
#4
Joséphine Zangari, Marius Ilie, Florian Rouaud, Laurie Signetti, Mickaël Ohanna, Robin Didier, Barnabé Roméo, Dana Goldoni, Nicolas Nottet, Cathy Staedel, Jocelyn Gal, Bernard Mari, Baharia Mograbi, Paul Hofman, Patrick Brest
Extracellular vesicles (EVs) have been shown to play an important role in intercellular communication as carriers of DNA, RNA and proteins. While the intercellular transfer of miRNA through EVs has been extensively studied, the stability of extracellular miRNA (ex-miRNA) once engulfed by a recipient cell remains to be determined. Here, we identify the ex-miRNA-directed phenotype to be transient due to the rapid decay of ex-miRNA. We demonstrate that the ex-miR-223-3p transferred from polymorphonuclear leukocytes to cancer cells were functional, as demonstrated by the decreased expression of its target FOXO1 and the occurrence of epithelial-mesenchymal transition reprogramming...
December 19, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27966928/arsenic-incorporation-in-pyrite-at-ambient-temperature-at-both-tetrahedral-s-i-and-octahedral-fe-ii-sites-evidence-from-exafs-dft-analysis
#5
Pierre Le Pape, Marc Blanchard, Jessica Brest, Jean-Claude Boulliard, Maya Ikogou, Lucie Stetten, Shuaitao Wang, Gautier Landrot, Guillaume Morin
Pyrite is a ubiquitous mineral in reducing environments and is well-known to incorporate trace elements such as Co, Ni, Se, Au, and commonly As. Indeed, As-bearing pyrite is observed in a wide variety of sedimentary environments, making it a major sink for this toxic metalloid. Based on the observation of natural hydrothermal pyrites, As(-I) is usually assigned to the occupation of tetrahedral S(-I) sites, with the same oxidation state as in arsenopyrite (FeAsS), although rare occurrences of As(III) and As(II) have been reported...
January 3, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/27918166/-breast-self-examination-yes-or-no
#6
P Šašková, D Pavlišta
OBJECTIVE: The rising number of breast cancer is the worldwide problem. The screening mammography is considered as the most effective method to decrease the mortality of the disease. For many years, the breast self-examination has been promoted as the simplest method for breast cancer development in women. In this review article, we provide the results of studies on the effectiveness of breast self-examination. DESIGN: Review article. SETTING: Departmnet of Gynecologic and Obstetrition, General Faculty Hospital and 1st Faculty of Medicine, Charles University Prague...
2016: Ceská Gynekologie
https://www.readbyqxmd.com/read/27848922/zika-virus-infection
#7
Laurence Pougnet, Chloé Thill, Richard Pougnet, Henri Auvinet, Christophe Giacardi, Isabelle Drouillard
A 21-year old woman from New-Caledonia had 40 ̊C fever with vomiting, arthralgia, myalgia, and measles-like rash. Etiological analyses showed primary infection with Zika virus. Because of severe clinical presentation, she was hospitalized in the intensive care unit of the Brest military Hospital. Zika virus is mainly transmitted by Aedes mosquitoes. If they settle in Metropolitan France, Zika virus might also spread there.
December 1, 2016: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/27796018/-adpkd-predictors-of-renal-disease-progression
#8
Francesco Scolari, Nadia Dallera, Arianna Saletti, Vincenzo Terlizzi, Claudia Izzi
Factors predicting rapid progression of kidney disease in ADPKD can be divided into genetic (non-modifiable) and clinical (modifiable) risk factors. Patients harbouring PKD1 mutations, in particular if truncating, have a more severe form of ADPKD. Clinical risk factors include decrease in glomerular filtration rate and renal blood flow at a young age; high total kidney volume; hypertension and urological complications <35 years; albuminuria/proteinuria. The renal disease is also more severe in males and in subjects with family history of ESRD <55 years...
September 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/27721211/the-utilisation-of-the-cardiovascular-automated-radiation-reduction-x-ray-system-cars-in-the-cardiac-catheterisation-laboratory-aids-in-the-reduction-of-the-patient-radiation-dose
#9
Romain Didier, Marco A Magalhaes, Edward Koifman, Florent Leven, Philippe Castellant, Jacques Boschat, Yannic Jobic, Sarkis Kiramijyan, Pierre-Philippe Nicol, Martine Gilard
AIMS: The radiation exposure resulting from cardiovascular procedures may increase the risk of cancer, and/or cause skin injury. Whether the novel cardiovascular automated radiation reduction X-ray system (CARS) can help reduce the patient radiation dose in daily clinical practice remains unknown. The aim of this study was to evaluate the reduction in patient radiation dose with the use of CARS in the cardiac catheterisation laboratory (CCL). METHODS AND RESULTS: This study retrospectively analysed 1,403 consecutives patients who underwent a cardiac catheterisation with coronary angiography (CA) and/or a percutaneous coronary intervention (PCI) in the Brest University Hospital over the course of one year...
October 10, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27696088/differential-evolution-for-protein-folding-optimization-based-on-a-three-dimensional-ab-off-lattice-model
#10
Borko Bošković, Janez Brest
This paper presents a differential evolution algorithm that is adapted for the protein folding optimization on a three-dimensional AB off-lattice model. The proposed algorithm is based on a self-adaptive differential evolution that improves the algorithm efficiency and reduces the number of control parameters. A mutation strategy for the fast convergence is used inside the algorithm. A temporal locality is used in order to speed up the algorithm convergence additionally and to find amino-acid conformations with the lowest free energy values...
October 2016: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/27674981/does-image-guidance-need-to-be-performed-before-every-session-in-accelerated-partial-brest-irradiation-with-high-dose-rate-brachytherapy-implications-on-treatment-planning-and-fractional-ct-scanning
#11
S Chandrasekara, J Pinder, M Shojaei, N Dumitru, M Hyvarinen, S Pella
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27599400/development-of-a-clinical-prediction-score-for-congestive-heart-failure-diagnosis-in-the-emergency-care-setting-the-brest-score
#12
Adrien Basset, Emmanuel Nowak, Philippe Castellant, Christophe Gut-Gobert, Grégoire Le Gal, Erwan L'Her
OBJECTIVE: To derive and validate a clinical prediction rule of acute congestive heart failure obtainable in the emergency care setting. DESIGN: Derivation of the score was performed on a retrospective 927 patients cohort admitted to our Emergency Department for dyspnea. The prediction model was externally validated on an independent 206-patient prospective cohort. INTERVENTIONS AND MEASURES: During the derivation phase, variables associated with acute congestive heart failure were included in a multivariate regression model...
December 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27353046/stock-enhancement-or-sea-ranching-insights-from-monitoring-the-genetic-diversity-relatedness-and-effective-population-size-in-a-seeded-great-scallop-population-pecten-maximus
#13
R Morvezen, P Boudry, J Laroche, G Charrier
The mass release of hatchery-propagated stocks raises numerous questions concerning its efficiency in terms of local recruitment and effect on the genetic diversity of wild populations. A seeding program, consisting of mass release of hatchery-produced juveniles in the local naturally occurring population of great scallops (Pecten maximus L.), was initiated in the early 1980s in the Bay of Brest (France). The present study aims at evaluating whether this seeding program leads to actual population enhancement, with detectable effects on genetic diversity and effective population size, or consists of sea ranching with limited genetic consequences on the wild stock...
September 2016: Heredity
https://www.readbyqxmd.com/read/27255160/an-analysis-of-the-origin-of-an-early-medieval-group-of-individuals-from-gr%C3%A3-dek-based-on-the-analysis-of-stable-oxygen-isotopes
#14
A Lisowska-Gaczorek, S Kozieł, B Cienkosz-Stepańczak, K Mądrzyk, J Pawlyta, S Gronkiewicz, M Wołoszyn, K Szostek
In the early Middle Ages, the region of the Cherven Towns, which is now located on both sides of the Polish-Ukrainian border, was fiercely contested by Slavs in the process of forming their early states. The main objective of the present study was to investigate the homogeneity of an early medieval population uncovered in that region, in the town of Gródek on the Bug River, by screening for non-local individuals. The origin of the studied skeletons was ascertained using analysis of oxygen isotopes in the phosphates isolated from bone tissue...
August 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/27200525/measures-to-improve-microbial-quality-surveillance-of-gastrointestinal-endoscopes
#15
Philippe Saliou, Hervé Le Bars, Christopher Payan, Valérie Narbonne, Franck Cholet, Julien Jézéquel, Virginie Scotet, Michel Robaszkiewicz, Divi Cornec, Geneviève Héry-Arnaud, Raoul Baron
BACKGROUND AND STUDY AIM: Infectious outbreaks associated with the use of gastrointestinal endoscopes have increased in line with the spread of highly resistant bacteria. The aim of this study was to determine the measures required to improve microbial quality surveillance of gastrointestinal endoscopes. METHODS: We reviewed the results of all microbiological surveillance testing of gastrointestinal endoscopes and automatic endoscope reprocessors (AERs) performed at Brest Teaching Hospital from 1 January 2008 to 1 June 2015...
August 2016: Endoscopy
https://www.readbyqxmd.com/read/27185660/-assessment-of-a-3d-digital-orthoptic-test-platform
#16
M Lamard, S Ferragut, C Hugny-Larroque, J-L De Bougrenet De La Tocnaye, B Cochener
PURPOSE: To compare standard orthoptic tests with a novel digital 3D orthoptic platform, 3DeltaEasy(©) from Orthoptica(®). MATERIALS AND METHODS: This study tests the 3D digital orthoptics platform, 3DeltaEasy(©) from Orthoptica(®) and compares it to the corresponding standard orthoptic tests. This platform consists of a computer equipped with dedicated software, a video projector and 3D liquid crystal glasses. Three tests were compared: Wirt test, measurement of horizontal and vertical phorias, and the horizontal fusional amplitude in convergence and divergence...
May 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27169723/detection-of-dirofilaria-repens-and-dirofilaria-immitis-dna-in-mosquitoes-from-belarus
#17
Tatiana Șuleșco, Tatiana Volkova, Svetlana Yashkova, Alexandru Tomazatos, Heidrun von Thien, Renke Lühken, Egbert Tannich
During the last two decades, Belarus faces an increase of human cases of Dirofilaria (Nematoda, Spirurida, Onchocercidae) infections. However, comprehensive analyses explaining this development and the identification of mosquito vector species are missing. Here, we present results using temperature data from Belarus and show that the annual number of human Dirofilaria cases is significantly correlated with the yearly average temperatures (Spearman's rho = 0.49, p < 0.05) and the average sum of potential Dirofilaria transmission days (Spearman's rho = 0...
September 2016: Parasitology Research
https://www.readbyqxmd.com/read/27162179/historical-records-from-dated-sediment-cores-reveal-the-multidecadal-dynamic-of-the-toxic-dinoflagellate-alexandrium-minutum-in-the-bay-of-brest-france
#18
Khadidja Z Klouch, Sabine Schmidt, Françoise Andrieux-Loyer, Mickaël Le Gac, Dominique Hervio-Heath, Zujaila N Qui-Minet, Julien Quéré, Estelle Bigeard, Laure Guillou, Raffaele Siano
The multiannual dynamic of the cyst-forming and toxic marine dinoflagellate Alexandrium minutum was studied over a time scale of about 150 years by a paleoecological approach based on ancient DNA (aDNA) quantification and cyst revivification data obtained from two dated sediment cores of the Bay of Brest (Brittany, France). The first genetic traces of the species presence in the study area dated back to 1873 ± 6. Specific aDNA could be quantified by a newly developed real-time PCR assay in the upper core layers, in which the germination of the species (in up to 17-19-year-old sediments) was also obtained...
July 2016: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/27054156/abundance-and-recruitment-data-for-undaria-pinnatifida-in-brest-harbour-france-model-versus-field-results
#19
James T Murphy, Marie Voisin, Mark Johnson, Frédérique Viard
The data presented in this article are related to the research article entitled "A modelling approach to explore the critical environmental parameters influencing the growth and establishment of the invasive seaweed Undaria pinnatifida in Europe" [1]. This article describes raw simulation data output from a novel individual-based model of the invasive kelp species Undaria pinnatifida. It also includes field data of monthly abundance and recruitment values for a population of invasive U. pinnatifida (in Brest harbour, France) that were used to validate the model...
June 2016: Data in Brief
https://www.readbyqxmd.com/read/27036030/microrna-375-sec23a-as-biomarkers-of-the-in-vitro-efficacy-of-vandetanib
#20
Sandra Lassalle, Joséphine Zangari, Alexandra Popa, Marius Ilie, Véronique Hofman, Elodie Long, Martine Patey, Frédérique Tissier, Geneviève Belléannée, Hélène Trouette, Bogdan Catargi, Isabelle Peyrottes, Jean-Louis Sadoul, Olivier Bordone, Christelle Bonnetaud, Catherine Butori, Alexandre Bozec, Nicolas Guevara, José Santini, Imène Sarah Hénaoui, Géraldine Lemaire, Olivier Blanck, Philippe Vielh, Pascal Barbry, Bernard Mari, Patrick Brest, Paul Hofman
In this study, we performed microRNA (miRNA) expression profiling on a large series of sporadic and hereditary forms of medullary thyroid carcinomas (MTC). More than 60 miRNAs were significantly deregulated in tumor vs adjacent non-tumor tissues, partially overlapping with results of previous studies. We focused our attention on the strongest up-regulated miRNA in MTC samples, miR-375, the deregulation of which has been previously observed in a variety of human malignancies including MTC. We identified miR-375 targets by combining gene expression signatures from human MTC (TT) and normal follicular (Nthy-ori 3-1) cell lines transfected with an antagomiR-375 inhibitor or a miR-375 mimic, respectively, and from an in silico analysis of thyroid cell lines of Cancer Cell Line Encyclopedia datasets...
May 24, 2016: Oncotarget
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