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https://www.readbyqxmd.com/read/28605562/microorganisms-associated-with-pneumonia-in-children-5-years-of-age-in-developing-and-emerging-countries-the-gabriel-pneumonia-multicenter-prospective-case-control-study
#1
Thomas Bénet, Valentina Sánchez Picot, Mélina Messaoudi, Monidarin Chou, Tekchheng Eap, Jianwei Wang, Kunling Shen, Jean-William Pape, Vanessa Rouzier, Shally Awasthi, Nitin Pandey, Ashish Bavdekar, Sonali Sanghavi, Annick Robinson, Mala Rakoto-Andrianarivelo, Maryam Sylla, Souleymane Diallo, Pagbajabyn Nymadawa, Nymadawaagiin Naranbat, Graciela Russomando, Wilma Basualdo, Florence Komurian-Pradel, Hubert Endtz, Philippe Vanhems, Gláucia Paranhos-Baccalà
Background.: Pneumonia, the leading infectious cause of child mortality globally, mainly afflicts developing countries. This prospective observational study aimed to assess the microorganisms associated with pneumonia in children aged <5 years in developing and emerging countries. Methods.: A multicenter, case-control study by the GABRIEL (Global Approach to Biological Research, Infectious diseases and Epidemics in Low-income countries) network was conducted between 2010 and 2014 in Cambodia, China, Haiti, India (2 sites), Madagascar, Mali, Mongolia, and Paraguay...
June 12, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28602387/surveillance-of-carbapenemase-producing-enterobacteriaceae%C3%A2-in-the-indian-ocean-region-between-january-2010%C3%A2-and-december-2015
#2
A M Holman, J Allyn, G Miltgen, N Lugagne, N Traversier, S Picot, A Lignereux, C Oudin, O Belmonte, N Allou
BACKGROUND: The aim of this study was to trace the emergence of carbapenemase-producing Enterobacteriaceae (CPE) on Reunion Island, a French overseas territory well suited for the surveillance of CPE emergence in patients from the entire Indian Ocean Region. METHODS: This retrospective multicenter study was conducted on Reunion Island between 2010 and 2015. RESULTS: A total of 43 CPEs were isolated during the course of the study, in 36 patients (50% in the last year alone)...
June 8, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28528506/exposure-of-marine-mussels-to-diclofenac-modulation-of-prostaglandin-biosynthesis
#3
Frédérique Courant, Lauren Arpin-Pont, Bénilde Bonnefille, Sébastien Vacher, Marina Picot-Groz, Elena Gomez, Hélène Fenet
Human pharmaceuticals, such as nonsteroidal anti-inflammatory drugs (NSAIDs), are an emerging threat to marine organisms. NSAIDs act through inhibition of cyclooxygenase (COX) conversion of arachidonic acid into prostaglandins. One experiment was carried out whereby marine mussels were exposed for 72 h to 1 and 100 μg/L diclofenac (DCF). A specific and sensitive method using liquid chromatography high-resolution tandem mass spectrometry was developed to quantify DCF in mussel tissues. The developed method could also clearly identify and quantify COX products, i...
May 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28505570/clinical-evaluation-of-the-biofire-filmarray-%C3%A2-biothreat-e-test-for-the-diagnosis-of-ebola-virus-disease-in-guinea
#4
Françoise Gay-Andrieu, N'Fally Magassouba, Valentina Picot, Cynthia L Phillips, Christophe N Peyrefitte, Brigitte Dacosta, Ahmadou Doré, Fode Kourouma, Véronique Ligeon-Ligeonnet, Corentin Gauby, Christophe Longuet, Matt Scullion, Ousmane Faye, Jean Louis Machuron, Mark Miller
BACKGROUND: The recent West Africa Ebola outbreak highlighted the need to provide access to rapid, safe and reliable Ebola Virus Disease diagnostics. OBJECTIVES: The objective of this field study was to assess the clinical performance of the FilmArray(®) BioThreat-E test for the detection of Ebola Zaïre virus in whole blood in symptomatic patients suspected of Ebola Virus Disease in Conakry (Guinea) from March to July 2015. STUDY DESIGN: The BioThreat-E test was compared to the two RT-PCRs, using serum, implemented at Donka Hospital in the emergency context: an in-house developed quantitative one-step RT-PCR adapted from the Weidmann technique, and the RealStar(®) Filovirus RT-PCR Kit 1...
May 1, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28504192/correlates-of-protection-for-enteric-vaccines
#5
Jan Holmgren, Umesh D Parashar, Stanley Plotkin, Jacques Louis, Su-Peing Ng, Eric Desauziers, Valentina Picot, Mitra Saadatian-Elahi
An immunological Correlate of Protection (CoP) is an immune response that is statistically interrelated with protection. Identification of CoPs for enteric vaccines would help design studies to improve vaccine performance of licensed vaccines in low income settings, and would facilitate the testing of future vaccines in development that might be more affordable. CoPs are lacking today for most existing and investigational enteric vaccines. In order to share the latest information on CoPs for enteric vaccines and to discuss novel approaches to correlate mucosal immune responses in humans with protection, the Foundation Mérieux organized an international conference of experts where potential CoPs for vaccines were examined using case-studies for both bacterial and viral enteric pathogens...
May 11, 2017: Vaccine
https://www.readbyqxmd.com/read/28476258/the-middle-east-and-eastern-europe-rabies-expert-bureau-meereb-third-meeting-lyon-france-7-8-april-2015
#6
REVIEW
V Picot, A Rasuli, A Abella-Rider, M Saadatian-Elahi, A Aikimbayev, A Barkia, S Benmaiz, Z Bouslama, K De Balogh, A Dehove, F Davlyatov, F Farahtaj, G Gongal, A Gholami, P Imnadze, M Issad, S Khoufi, V Nedosekov, A Rafila, H Rich, A Soufi, J Tuychiev, N Vranjes, R Vodopija, I Zaouia, L Nel
MEEREB is an inter-regional network of countries from North Africa, Europe, the Middle East and Central Asia that work together with the aim of improving rabies control and prevention at local, regional and global level. MEEREB members met for the third time in 2015 in France (Lyon) to review the current rabies situation within the network and to discuss the way forward the prospect of a One Health approach against rabies. Dogs were the main vector of transmission in all MEEREB countries except for Croatia and Serbia where foxes represented the primary source...
May 2, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28466860/redesigning-the-qa-binding-site-of-photosystem-ii-allows-reduction-of-exogenous-quinones
#7
Han-Yi Fu, Daniel Picot, Yves Choquet, Guillaume Longatte, Adnan Sayegh, Jérôme Delacotte, Manon Guille-Collignon, Frédéric Lemaître, Fabrice Rappaport, Francis-André Wollman
Strategies to harness photosynthesis from living organisms to generate electrical power have long been considered, yet efficiency remains low. Here, we aimed to reroute photosynthetic electron flow in photosynthetic organisms without compromising their phototrophic properties. We show that 2,6-dimethyl-p-benzoquinone (DMBQ) can be used as an electron mediator to assess the efficiency of mutations designed to engineer a novel electron donation pathway downstream of the primary electron acceptor QA of Photosystem (PS) II in the green alga Chlamydomonas reinhardtii...
May 3, 2017: Nature Communications
https://www.readbyqxmd.com/read/28439594/the-effect-of-chronotherapy-on-depressive-symptoms-evidence-based-practice
#8
Anas H Khalifeh
The global prevalence of depression is increasing, along with rates of depression-associated disability and mortality, rendering depressive disorders a major public health issue. Chronotherapy involves a variety of strategies that control exposure to environmental stimuli that influence the biological clock, such as sleep deprivation (SD) or wake therapy (WT), sleep phase advance (SPA), and light and dark therapy (LT, DT). The purpose of this Evidence-Based Practice (EBP) paper is to answer PICOT questions by a review the effectiveness of chronotherapeutics interventions on depressive symptoms with depression and the depressive episode in the course of bipolar disorder...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28431626/sleep-patterns-in-villagers-and-urban-african-volunteers-in-a-humid-tropical-climate-influence-of-accessibility-to-electric-light
#9
Alain Buguet, Pascal Bogui, Stéphane Picot, Raymond Cespuglio
Recent publications focusing on sleep-wake alternation, using actigraphic recordings in hunter-gatherers, stressed the existence of a potential effect of electricity availability on sleep habits. These reports prompted us to achieve a new analysis of the polysomnographic data already obtained in healthy African volunteers in equatorial Africa during two different investigations. Comparison of the 24-h polysomnographic sleep patterns were done between 9 volunteers sleeping in a laboratory in Abidjan (Abidjan cohort) and 11 villagers living in electricity-free bush villages (Sinfra cohort)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28366395/corrigendum-to-evidence-of-the-bioaccumulation-of-ciguatoxins-in-giant-clams-tridacna-maxima-exposed-to-gambierdiscus-spp-cells-harmful-algae-57-2016-78-87
#10
Mélanie Roué, Hélène Taiana Darius, Sandy Picot, André Ung, Jérôme Viallon, Nabila Gaertner-Mazouni, Manoella Sibat, Zouher Amzil, Mireille Chinain
No abstract text is available yet for this article.
March 2017: Harmful Algae
https://www.readbyqxmd.com/read/28357840/possible-outbreak-of-skin-infections-due-to-panton-valentine-leukocidin-positive-methicillin-resistant-staphylococcus-aureus-on-a-commercial-ship-in-2012-2014
#11
Etienne Bon, Kheira Gadouri, Catherine Avril, Guillaume Camuset, Elsa Balleydier, Isabelle Mathieu, Sandrine Picot, Julien Jaubert, Richard Ballas, Mélanie Colomb-Cotinat, Anne Tristan, Coralie Bouchiat, Laurent Filleul, Frédéric Pagès
No abstract text is available yet for this article.
2017: International Maritime Health
https://www.readbyqxmd.com/read/28323325/the-evolution-of-siderophore-production-as-a-competitive-trait
#12
Rene Niehus, Aurore Picot, Nuno M Oliveira, Sara Mitri, Kevin R Foster
Microbes have the potential to be highly cooperative organisms. The archetype of microbial cooperation is often considered to be the secretion of siderophores, molecules scavenging iron, where cooperation is threatened by "cheater" genotypes that use siderophores without making them. Here, we show that this view neglects a key piece of biology: siderophores are imported by specific receptors that constrain their use by competing strains. We study the effect of this specificity in an ecoevolutionary model, in which we vary siderophore sharing among strains, and compare fully shared siderophores with private siderophores...
June 2017: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/28318624/treatment-tolerance-and-patient-reported-outcomes-favor-online-hemodiafiltration-compared-to%C3%A2-high-flux%C3%A2-hemodialysis-in-the-elderly
#13
Marion Morena, Audrey Jaussent, Lotfi Chalabi, Hélène Leray-Moragues, Leila Chenine, Alain Debure, Damien Thibaudin, Lynda Azzouz, Laure Patrier, Francois Maurice, Philippe Nicoud, Claude Durand, Bruno Seigneuric, Anne-Marie Dupuy, Marie-Christine Picot, Jean-Paul Cristol, Bernard Canaud
Large cohort studies suggest that high convective volumes associated with online hemodiafiltration may reduce the risk of mortality/morbidity compared to optimal high-flux hemodialysis. By contrast, intradialytic tolerance is not well studied. The aim of the FRENCHIE (French Convective versus Hemodialysis in Elderly) study was to compare high-flux hemodialysis and online hemodiafiltration in terms of intradialytic tolerance. In this prospective, open-label randomized controlled trial, 381 elderly chronic hemodialysis patients (over age 65) were randomly assigned in a one-to-one ratio to either high-flux hemodialysis or online hemodiafiltration...
June 2017: Kidney International
https://www.readbyqxmd.com/read/28295206/molecular-clinical-and-neuropsychological-study-in-31-patients-with-kabuki-syndrome-and-kmt2d-mutations
#14
N Lehman, A C Mazery, A Visier, C Baumann, D Lachesnais, Y Capri, A Toutain, S Odent, M Mikaty, C Goizet, E Taupiac, M L Jacquemont, E Sanchez, E Schaefer, V Gatinois, L Faivre, D Minot, H Kayirangwa, K-H L Q Sang, N Boddaert, S Bayard, D Lacombe, S Moutton, I Touitou, M Rio, J Amiel, S Lyonnet, D Sanlaville, M C Picot, D Geneviève
Kabuki syndrome (KS-OMIM 147920) is a rare developmental disease characterized by the association of multiple congenital anomalies and intellectual disability. This study aimed to investigate intellectual performance in children with KS and link the performance to several clinical features and molecular data. We recruited 31 children with KMT2D mutations who were 6 to 16 years old. They all completed the Weschler Intelligence Scale for Children, fourth edition. We calculated all indexes: the Full Scale Intellectual Quotient (FSIQ), Verbal Comprehension Index (VCI), Perceptive Reasoning Index (PRI), Processing Speed Index (PSI), and Working Memory Index (WMI)...
March 14, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28290249/in-vitro-and-in-silico-studies-of-mangiferin-from-aphloia-theiformis-on-key-enzymes-linked-to-diabetes-type-2-and-associated-complications
#15
Marie C N Picot, Gokhan Zengin, Adriano Mollica, Azzurra Stefanucci, Simone Carradori, Mohamad F Mahomoodally
BACKGROUND: Mangiferin, was identified in the crude methanol extract, ethyl acetate, and n-butanol fractions of Aphloia theiformis (Vahl.) Benn. OBJECTIVE: To study the plausible binding modes of mangiferin to key enzymes linked to diabetes type 2 (DT2), obesity, hypertension, Alzheimer's disease, and urolithiasis using molecular docking. METHOD: Crystallographic structures of α-amylase, α-glucosidase, glycogen phosphorylase (GP), pancreatic lipase, cholesterol esterase (CEase), angiotensin-I-converting enzyme (ACE), acetyl cholinesterase (AChE), and urease available on the Protein Databank database were docked to mangiferin using Gold 6...
March 7, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28257842/picot-alleviates-myocardial-ischemia-reperfusion-injury-by-reducing-intracellular-levels-of-reactive-oxygen-species
#16
Jihwa Kim, Jooyeon Kim, Hyun Kook, Woo Jin Park
Excessive generation of reactive oxygen species (ROS) is one of the main causes of myocardial ischemia-reperfusion (I/R) injury. In this study, we investigated the role of protein kinase C-interacting cousin of thioredoxin (PICOT; Grx3) during myocardial I/R using PICOT transgenic (TG) and knockdown (KD) mice. Infarction and apoptosis were attenuated in PICOT TG mice but exacerbated in PICOT KD mice upon I/R. In parallel, I/R-induced generation of ROS was attenuated in PICOT TG mice but exacerbated in PICOT KD mice...
April 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28242543/multiple-pharmacological-targets-cytotoxicity-and-phytochemical-profile-of-aphloia-theiformis-vahl-benn
#17
Marie Carene Nancy Picot, Onur Bender, Arzu Atalay, Gokhan Zengin, Loïc Loffredo, Francis Hadji-Minaglou, Mohamad Fawzi Mahomoodally
Aphloia theiformis (Vahl.) Benn. (AT) is traditionally used in Sub-Saharan African countries including Mauritius as a biomedicine for the management of several diseases. However, there is a dearth of experimental studies to validate these claims. We endeavoured to evaluate the inhibitory effects of crude aqueous extract as traditionally used together with the crude methanol extracts of AT leaves on urease, angiotensin (I) converting enzyme (ACE), acetylcholinesterase (AChE), cholesterol esterase (CEase), glycogen phosphorylase a (GPa), and glycation in vitro...
May 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28231253/community-analysis-of-pigment-patterns-from-37-microalgae-strains-reveals-new-carotenoids-and-porphyrins-characteristic-of-distinct-strains-and-taxonomic-groups
#18
Benoît Serive, Elodie Nicolau, Jean-Baptiste Bérard, Raymond Kaas, Virginie Pasquet, Laurent Picot, Jean-Paul Cadoret
Phytoplankton, with an estimated 30 000 to 1 000 000 species clustered in 12 phyla, presents a high taxonomic and ecophysiological diversity, reflected by the complex distribution of pigments among the different algal classes. High performance liquid chromatography is the gold standard method for qualitative and quantitative analysis of phytoplankton pigments in seawater and culture samples, but only a few pigments can be used as robust chemotaxonomic markers. A major challenge is thus to identify new ones, characteristic of a strain, species, class or taxon that cannot be currently identified on the basis of its pigment signature...
2017: PloS One
https://www.readbyqxmd.com/read/28205355/trametes-polyzona-an-emerging-filamentous-basidiomycete-in-r%C3%A3-union-island
#19
Alexandre Gauthier, Julien Jaubert, Nicolas Traversier, Jérôme Lemant, Laurent Balu, Dea Garcia-Hermoso, Stephane Welti, Anne Favel, Sandrine Picot, Gautier Hoarau
We describe two serious Trametes polyzona pulmonary infections, which occurred in Réunion Island, in critically ill patients. The identification was performed using sequencing of the internal transcribed spacer region of ribosomal DNA and D1/D2 region of 28S rDNA. In one case, the significance of T. polyzona in the pathological process was certain, proven by histopathological evidence of fungal lung infection. T. polyzona, an emerging filamentous basidiomycete, prevalent in tropical areas, has not been described so far in human infections...
June 2017: Mycoses
https://www.readbyqxmd.com/read/28181518/using-graphene-networks-to-build-bioinspired-self-monitoring-ceramics
#20
Olivier T Picot, Victoria G Rocha, Claudio Ferraro, Na Ni, Eleonora D'Elia, Sylvain Meille, Jerome Chevalier, Theo Saunders, Ton Peijs, Mike J Reece, Eduardo Saiz
The properties of graphene open new opportunities for the fabrication of composites exhibiting unique structural and functional capabilities. However, to achieve this goal we should build materials with carefully designed architectures. Here, we describe the fabrication of ceramic-graphene composites by combining graphene foams with pre-ceramic polymers and spark plasma sintering. The result is a material containing an interconnected, microscopic network of very thin (20-30 nm), electrically conductive, carbon interfaces...
February 9, 2017: Nature Communications
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