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Audrey Long

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https://www.readbyqxmd.com/read/28334293/what-s-behind-a-sign-perceiving-an-arithmetic-operator-recruits-brain-circuits-for-spatial-orienting
#1
Romain Mathieu, Justine Epinat-Duclos, Monica Sigovan, Audrey Breton, Anne Cheylus, Michel Fayol, Catherine Thevenot, Jérôme Prado
Do mathematical symbols evoke spatial representations? Although behavioral studies have long demonstrated interactions between space and the processing of Arabic digits, how to interpret these results remains controversial. Here, we tested whether activity in regions supporting spatial processing contributes to the processing of symbols conveying fundamental arithmetic concepts-such as operation signs-even in the absence of associated digits. Using functional magnetic resonance imaging, we show that merely perceiving a "+" sign triggers activity in brain regions that support the orienting of spatial attention in adults...
March 14, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28329410/long-term-outcome-after-a-treosulfan-based-conditioning-regimen-for-patients-with-acute-myeloid-leukemia-a-report-from-the-acute-leukemia-working-party-of-the-european-society-for-blood-and-marrow-transplantation
#2
Arnon Nagler, Myriam Labopin, Dietrich Beelen, Fabio Ciceri, Liisa Volin, Avichai Shimoni, Roberto Foá, Noel Milpied, Jacopo Peccatori, Emmanuelle Polge, Audrey Mailhol, Mohamad Mohty, Bipin N Savani
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) is a curative therapy for patients with acute myeloid leukemia (AML). However, post-HCT relapse and regimen-related toxicity remain significant barriers to long-term survival. In recent years, new conditioning regimens have been explored to improve transplantation outcomes in patients with AML. Treosulfan combines a potent immunosuppressive and antileukemic effect with a low toxicity profile. METHODS: To investigate the role of treosulfan-based conditioning, the European Society for Blood and Marrow Transplantation Acute Leukemia Working Party performed a registry analysis of 520 adult patients with AML who received treosulfan-based conditioning and underwent HCT between 2000 and 2012, including 225 patients in first complete remission, 107 in second or later complete remission, and 188 with active/advanced disease 188 (88 with primary refractory disease)...
March 22, 2017: Cancer
https://www.readbyqxmd.com/read/28319455/joint-model-imputation-to-estimate-the-treatment-effect-on-long-term-survival-using-auxiliary-events
#3
Audrey Mauguen, Stefan Michiels, Virginie Rondeau
Clinical trial duration may be a concern in clinical research, especially in cancer trials where the endpoint is overall survival. A surrogate endpoint can be used as an auxiliary variable to analyze the treatment effect earlier. At an early time point, the high number of censored observations can be compensated by the imputation of the unobserved deaths times. We propose to use predictions of the risk of death from a joint model for a recurrent event and a terminal event, which account for disease relapse information...
February 16, 2017: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/28276573/preference-and-reinforcer-efficacy-of-high-and-low-tech-items-a-comparison-of-item-type-and-duration-of-access
#4
Audrey N Hoffmann, Andrew L Samaha, Sarah E Bloom, Megan A Boyle
This study examined the interactions of stimulus type (high- vs. low-tech) and magnitude (duration of access) on preference and reinforcer efficacy. Two preference assessments were conducted to identify highly preferred high-tech and low-tech items for each participant. A subsequent assessment examined preference for those items when provided at 30-s and 600-s durations. We then evaluated reinforcer efficacy for those same items when provided for a range of durations using progressive-ratio schedules. Results suggested item type and access duration interacted to influence preference and reinforcer efficacy...
March 9, 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/28272153/brain-gray-matter-mri-morphometry-for-neuroprognostication-after-cardiac-arrest
#5
Stein Silva, Patrice Peran, Lionel Kerhuel, Briguita Malagurski, Nicolas Chauveau, Benoit Bataille, Jean Albert Lotterie, Pierre Celsis, Florent Aubry, Giuseppe Citerio, Betty Jean, Russel Chabanne, Vincent Perlbarg, Lionel Velly, Damien Galanaud, Audrey Vanhaudenhuyse, Olivier Fourcade, Steven Laureys, Louis Puybasset
OBJECTIVES: We hypothesize that the combined use of MRI cortical thickness measurement and subcortical gray matter volumetry could provide an early and accurate in vivo assessment of the structural impact of cardiac arrest and therefore could be used for long-term neuroprognostication in this setting. DESIGN: Prospective cohort study. SETTING: Five Intensive Critical Care Units affiliated to the University in Toulouse (France), Paris (France), Clermont-Ferrand (France), Liège (Belgium), and Monza (Italy)...
March 7, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28262838/galectin-3-is-a-non-classic-rna-binding-protein-that-stabilizes-the-mucin-muc4-mrna-in-the-cytoplasm-of-cancer-cells
#6
Lucie Coppin, Audrey Vincent, Frédéric Frénois, Belinda Duchêne, Fatima Lahdaoui, Laurence Stechly, Florence Renaud, Céline Villenet, Isabelle Van Seuningen, Emmanuelle Leteurtre, Johann Dion, Cyrille Grandjean, Françoise Poirier, Martin Figeac, Delphine Delacour, Nicole Porchet, Pascal Pigny
Pancreatic cancer cells express high levels of MUC1, MUC4 and MUC16 mRNAs that encode membrane-bound mucins. These mRNAs share unusual features such as a long half-life. However, it remains unknown how mucin mRNA stability is regulated. Galectin-3 (Gal-3) is an endogenous lectin playing important biological functions in epithelial cells. Gal-3 is encoded by LGALS3 which is up-regulated in pancreatic cancer. Despite the absence of a RNA-recognition motif, Gal-3 interacts indirectly with pre-mRNAs in the nucleus and promotes constitutive splicing...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219945/novel-fixed-z-dimension-fizd-kidney-primordia-and-an-organoid-culture-system-for-time-lapse-confocal-imaging
#7
Ulla Saarela, Saad Ullah Akram, Audrey Desgrange, Aleksandra Rak-Raszewska, Jingdong Shan, Silvia Cereghini, Veli-Pekka Ronkainen, Janne Heikkilä, Ilya Skovorodkin, Seppo J Vainio
Tissue, organ and organoid cultures provide suitable models for developmental studies, but our understanding of how the organs are assembled at the single cell level still remains unclear. We describe here a novel Fixed Z-Dimension (FiZD) culture setup that permits high-resolution confocal imaging of organoids and embryonic tissues. In a FiZD culture a permeable membrane compresses the tissues onto a glass coverslip and the spacers adjust the thickness, enabling the tissue to grow for up to 12 days. Thus the kidney rudiment and the organoids can adjust to the limited Z-dimensional space and yet advance the process of kidney morphogenesis, enabling long-term time-lapse and high-resolution confocal imaging...
February 20, 2017: Development
https://www.readbyqxmd.com/read/28214146/impact-of-anti-tnf-therapy-on-nk-cells-function-and-on-immunosurveillance-against-b-cell-lymphomas
#8
Gaetane Nocturne, Saida Boudaoud, Bineta Ly, Juliette Pascaud, Audrey Paoletti, Xavier Mariette
OBJECTIVES: Rheumatoid arthritis (RA) is associated with an increased risk of lymphoma linked to activity of the disease. Immunosuppressive drugs have been suspected to induce an additional risk. Since, NK cells have been recently shown to participate to anti-lymphoma immunosurveillance, we aimed to assess if anti-TNF might impact their anti-lymphoma activity. METHODS: NK cells have been assessed ex vivo in patients with RA treated with methotrexate (MTX) with or without anti-TNF...
February 14, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28167697/prc2-is-dispensable-for-hotair-mediated-transcriptional-repression
#9
Manuela Portoso, Roberta Ragazzini, Živa Brenčič, Arianna Moiani, Audrey Michaud, Ivaylo Vassilev, Michel Wassef, Nicolas Servant, Bruno Sargueil, Raphaël Margueron
Long non-coding RNAs (lncRNAs) play diverse roles in physiological and pathological processes. Several lncRNAs have been suggested to modulate gene expression by guiding chromatin-modifying complexes to specific sites in the genome. However, besides the example of Xist, clear-cut evidence demonstrating this novel mode of regulation remains sparse. Here, we focus on HOTAIR, a lncRNA that is overexpressed in several tumor types and previously proposed to play a key role in gene silencing through direct recruitment of Polycomb Repressive Complex 2 (PRC2) to defined genomic loci...
February 6, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28129346/temperature-of-a-dengue-rapid-diagnostic-test-under-tropical-climatic-conditions-a-follow-up-study
#10
Onanong Sengvilaipaseuth, Koukeo Phommasone, Xavier de Lamballerie, Manivanh Vongsouvath, Ooyanong Phonemixay, Stuart D Blacksell, Mayfong Mayxay, Sommay Keomany, Phoutthalavanh Souvannasing, Paul N Newton, Audrey Dubot-Pérès
The Dengue Duo Rapid Diagnostic Test (SD Dengue RDT) has good specificity and sensitivity for dengue diagnosis in rural tropical areas. In a previous study, using four control sera, we demonstrated that that the diagnostic accuracy of these RDTs remains stable after long-term storage at high temperatures. We extended this study by testing sera from 119 febrile patients collected between July-November 2012 at Salavan Provincial Hospital (southern Laos) with RDTs stored for 6 months at 4°C, 35° and in a hut (miniature traditional house) at Lao ambient temperatures...
2017: PloS One
https://www.readbyqxmd.com/read/28111040/-immunotherapy-in-brain-tumors
#11
Emilie De Carli, Matthieu Delion, Audrey Rousseau
Diffuse gliomas represent the most common primary central nervous system (CNS) tumors in adults and children alike. Glioblastoma is the most frequent and malignant form of diffuse glioma with a median overall survival of 15 months despite aggressive treatments. New therapeutic approaches are needed to prolong survival in this always fatal disease. The CNS has been considered for a long time as an immune privileged organ, in part because of the existence of the blood-brain barrier. Nonetheless, immunotherapy is a novel approach in the therapeutic management of glioma patients, which has shown promising results in several clinical trials, especially in the adult population...
February 2017: Annales de Pathologie
https://www.readbyqxmd.com/read/28096032/creation-of-an-intensive-care-unit-and-organizational-changes-in-an-adult-emergency-department-impact-on-acute-stroke-management
#12
Laurent Puy, Chantal Lamy, Sandrine Canaple, Audrey Arnoux, Nicolas Laine, Ella Iacob, Jean-Marc Constans, Olivier Godefroy
BACKGROUND AND PURPOSE: Following the reorganization of a University Medical Center onto a single campus, an Intensive Care Unit was created within the adult Emergency Department (ED ICU). We assessed the effects of these organizational changes on acute stroke management and the intravenous administration of recombinant tissue plasminogen activator (IV rtPA), as characterized by the thrombolysis rate, door-to-needle time (DNT) and outcome at 3months. METHODS: Between October 2013 and September 2015, we performed a retrospective, observational, single-center, comparative study of patients admitted for ischemic stroke and treated with IV rtPA during two 321-day periods (before and after the creation of the ED ICU)...
January 10, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28095003/cocaine-addiction-as-a-homeostatic-reinforcement-learning-disorder
#13
Mehdi Keramati, Audrey Durand, Paul Girardeau, Boris Gutkin, Serge H Ahmed
Drug addiction implicates both reward learning and homeostatic regulation mechanisms of the brain. This has stimulated 2 partially successful theoretical perspectives on addiction. Many important aspects of addiction, however, remain to be explained within a single, unified framework that integrates the 2 mechanisms. Building upon a recently developed homeostatic reinforcement learning theory, the authors focus on a key transition stage of addiction that is well modeled in animals, escalation of drug use, and propose a computational theory of cocaine addiction where cocaine reinforces behavior due to its rapid homeostatic corrective effect, whereas its chronic use induces slow and long-lasting changes in homeostatic setpoint...
January 16, 2017: Psychological Review
https://www.readbyqxmd.com/read/28053114/feelnc-a-tool-for-long-non-coding-rna-annotation-and-its-application-to-the-dog-transcriptome
#14
Valentin Wucher, Fabrice Legeai, Benoît Hédan, Guillaume Rizk, Lætitia Lagoutte, Tosso Leeb, Vidhya Jagannathan, Edouard Cadieu, Audrey David, Hannes Lohi, Susanna Cirera, Merete Fredholm, Nadine Botherel, Peter A J Leegwater, Céline Le Béguec, Hille Fieten, Jeremy Johnson, Jessica Alföldi, Catherine André, Kerstin Lindblad-Toh, Christophe Hitte, Thomas Derrien
Whole transcriptome sequencing (RNA-seq) has become a standard for cataloguing and monitoring RNA populations. One of the main bottlenecks, however, is to correctly identify the different classes of RNAs among the plethora of reconstructed transcripts, particularly those that will be translated (mRNAs) from the class of long non-coding RNAs (lncRNAs). Here, we present FEELnc (FlExible Extraction of LncRNAs), an alignment-free program that accurately annotates lncRNAs based on a Random Forest model trained with general features such as multi k-mer frequencies and relaxed open reading frames...
January 3, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28008465/five-year-results-of-laparoscopic-sleeve-gastrectomy-for-the-treatment-of-severe-obesity
#15
David Nocca, Marcelo Loureiro, El Mehdi Skalli, Marius Nedelcu, Audrey Jaussent, Melanie Deloze, Patrick Lefebvre, Jean Michel Fabre
BACKGROUND: Since 2011, the most used bariatric technique in France has been the sleeve gastrectomy. There are still few studies exploring the medium and long-term results of this technique. OBJECTIVE: To describe medium-long-term (5 years) results of a cohort of CHU Montpellier experience in sleeve gastrectomy for morbid obesity. METHODS: All patients that underwent laparoscopic sleeve gastrectomy (LSG) from January 2005 to June 2013 were included in this study...
December 23, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27997987/long-term-outcome-in-liver-transplantation-candidates-with-portopulmonary-hypertension
#16
Laurent Savale, Caroline Sattler, Audrey Coilly, Filoména Conti, Sébastien Renard, Claire Francoz, Hélène Bouvaist, Cyrille Feray, Patrick Borentain, Xavier Jaïs, David Montani, Florence Parent, Caroline O'Connell, Philippe Hervé, Marc Humbert, Gérald Simonneau, Didier Samuel, Yvon Calmus, Christophe Duvoux, François Durand, Jean Charles Duclos-Vallée, Olivier Sitbon
BACKGROUND: Portopulmonary hypertension (PoPH) is diagnosed in 2-6% of liver transplantation (LT) candidates. OBJECTIVE AND METHODS: To study outcomes of candidates for LT suffering from PoPH. Data were collected retrospectively from a prospective registry. Pulmonary hemodynamic variables were collected at the time of PoPH diagnosis, at last evaluation before LT, within 6 months and beyond 6 months after LT. RESULTS: Forty-nine patients (35 males, 48±8 years) were analysed (median MELD score 20)...
December 20, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27988060/syncope-and-risk-of-sudden-cardiac-arrest-in-coronary-artery-disease
#17
Aapo L Aro, Carmen Rusinaru, Audrey Uy-Evanado, Kyndaron Reinier, Derek Phan, Karen Gunson, Jonathan Jui, Sumeet S Chugh
BACKGROUND: Syncope has been associated with increased risk of sudden cardiac arrest (SCA) in specific patient populations, such as hypertrophic cardiomyopathy, heart failure, and long QT syndrome, but data are lacking on the risk of SCA associated with syncope among patients with coronary artery disease (CAD), the most common cause of SCA. We investigated this association among CAD patients in the community. METHODS: All cases of SCA due to CAD were prospectively identified in Portland, Oregon (population approximately 1 million) as part of the Oregon Sudden Unexpected Death Study 2002-2015, and compared to geographical controls...
March 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27984662/long-term-structural-and-biomass-dynamics-of-virgin-tsuga-canadensis-pinus-strobus-forests-after-hurricane-disturbance
#18
Anthony W D'Amato, David A Orwig, David R Foster, Audrey Barker Plotkin, Peter K Schoonmaker, Maggie R Wagner
The development of old-growth forests in northeastern North America has largely been within the context of gap-scale disturbances given the rarity of stand-replacing disturbances. Using the 10-ha old-growth Harvard Tract and its associated 90-year history of measurements, including detailed surveys in 1989 and 2009, we document the long-term structural and biomass development of an old-growth Tsuga canadensis-Pinus strobus forest in southern New Hampshire, USA following a stand-replacing hurricane in 1938. Measurements of aboveground biomass pools were integrated with data from second- and old-growth T...
December 16, 2016: Ecology
https://www.readbyqxmd.com/read/27955802/-transient-epileptic-amnesia
#19
REVIEW
Audrey-Anne Fouchard, Karl Mondon, Bertrand De Toffol
Transient epileptic amnesia (TEA) is a sub-type of mesial temporal lobe epilepsy, with amnesic seizures. TEA is characterized by recurrent episodes of amnesia. Diagnostic criteria are available for TEA, and these memory disturbances should not be misdiagnosed with transient global amnesia. The neuropsychological evaluation is normal, however, autobiographical memory impairment is present in 70% of the cases and accelerated long term forgetting in 44%. When a patient complains of memory disturbances, especially autobiographical memory, TEA must be considered especially if there was an amnesic episode and symptoms that suggest temporal epilepsia...
January 2017: La Presse Médicale
https://www.readbyqxmd.com/read/27930953/adolescent-binge-alcohol-exposure-increases-risk-assessment-behaviors-in-male-wistar-rats-after-exposure-to-an-acute-psychological-stressor-in-adulthood
#20
Audrey Torcaso, AnnaDorothea Asimes, Margaret Meagher, Toni R Pak
Teenage binge drinking is a common practice that has been shown to increase the risk for developing mood disorders in adulthood. The hypothalamo-pituitary-adrenal (HPA) axis is often dysfunctional in mood disorder patients, and animal models of adolescent binge alcohol exposure similarly show disordered HPA axis function, even after long periods of alcohol abstinence. Here, we sought to investigate the anxiety-like behavioral consequences of binge alcohol exposure in a Wistar rat model. Male rats were administered alcohol in a binge pattern during peri-puberty, and one month later, anxiety-like behaviors were measured using the elevated plus maze...
February 2017: Psychoneuroendocrinology
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