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https://www.readbyqxmd.com/read/29131195/compact-single-shot-d-scan-setup-for-the-characterization-of-few-cycle-laser-pulses
#1
Maïté Louisy, Chen Guo, Lana Neoričić, Shiyang Zhong, Anne L'Huillier, Cord L Arnold, Miguel Miranda
We present a compact implementation of the ultrashort pulse measurement technique based on dispersion scans (d-scan), allowing single-shot measurement of few-cycle pulses. The main novelty in our design, making our setup extremely compact and simple, is the use, after a prism, of a spherical mirror in an off-axis geometry. The intentionally introduced strong astigmatism makes it possible to image the output of the crystal in one direction while focusing it in the other direction, resulting in the output face of the prism being imaged into a line in the second-harmonic crystal...
November 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/29129391/centralization-of-ovarian-cancer-in-the-netherlands-hospital-of-diagnosis-no-longer-determines-patients-probability-of-undergoing-surgery
#2
Maite Timmermans, Melinda S Schuurman, Vincent K Y Ho, Leon F Massuger, Hans W Nijman, Toon van Gorp, Gabe S Sonke, Roy F P M Kruitwagen, Maaike A van der Aa
OBJECTIVE: Surgical care for advanced stage epithelial ovarian cancer (EOC) patients has been centralized in the Netherlands since 2012. We evaluated whether the likelihood for patients to undergo surgery depends on the hospital of initial diagnosis before and after centralization of surgical care. METHODS: Patients with EOC FIGO stage IIB-IV, diagnosed in the Netherlands between 2000 and 2015, were identified from the Netherlands Cancer Registry. Multilevel multivariate logistic regression was used to study the association between hospital of diagnosis and patients' likelihood of undergoing surgery in subsequent time periods...
November 9, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29128300/enteral-versus-parenteral-early-nutrition-in-ventilated-adults-with-shock-a-randomised-controlled-multicentre-open-label-parallel-group-study-nutrirea-2
#3
Jean Reignier, Julie Boisramé-Helms, Laurent Brisard, Jean-Baptiste Lascarrou, Ali Ait Hssain, Nadia Anguel, Laurent Argaud, Karim Asehnoune, Pierre Asfar, Frédéric Bellec, Vlad Botoc, Anne Bretagnol, Hoang-Nam Bui, Emmanuel Canet, Daniel Da Silva, Michael Darmon, Vincent Das, Jérôme Devaquet, Michel Djibre, Frédérique Ganster, Maité Garrouste-Orgeas, Stéphane Gaudry, Olivier Gontier, Claude Guérin, Bertrand Guidet, Christophe Guitton, Jean-Etienne Herbrecht, Jean-Claude Lacherade, Philippe Letocart, Frédéric Martino, Virginie Maxime, Emmanuelle Mercier, Jean-Paul Mira, Saad Nseir, Gael Piton, Jean-Pierre Quenot, Jack Richecoeur, Jean-Philippe Rigaud, René Robert, Nathalie Rolin, Carole Schwebel, Michel Sirodot, François Tinturier, Didier Thévenin, Bruno Giraudeau, Amélie Le Gouge
BACKGROUND: Whether the route of early feeding affects outcomes of patients with severe critical illnesses is controversial. We hypothesised that outcomes were better with early first-line enteral nutrition than with early first-line parenteral nutrition. METHODS: In this randomised, controlled, multicentre, open-label, parallel-group study (NUTRIREA-2 trial) done at 44 French intensive-care units (ICUs), adults (18 years or older) receiving invasive mechanical ventilation and vasopressor support for shock were randomly assigned (1:1) to either parenteral nutrition or enteral nutrition, both targeting normocaloric goals (20-25 kcal/kg per day), within 24 h after intubation...
November 8, 2017: Lancet
https://www.readbyqxmd.com/read/29126718/vitamin-d-and-antiphospholipid-syndrome-a-retrospective-cohort-study-and-meta-analysis
#4
REVIEW
Leyre Riancho-Zarrabeitia, Maite Cubería, Pedro Muñoz, Marcos López-Hoyos, Silvia García-Canale, Mayte García-Unzueta, José L Hernández, Víctor M Martínez-Taboada
OBJECTIVES: (a) To determine serum 25-OH vitamin D (vitD) levels in primary antiphospholipid syndrome (APS) and to compare them with patients with positive antiphospholipid serology who do not meet clinical criteria for APS, and with healthy controls. (b) To analyze the association of vitD levels with both the clinical manifestations and the immunological profile of patients with primary APS. (c) To perform a meta-analysis evaluating potential differences in serum vitD levels between APS and controls as well as the frequency of vitD deficiency in APS patients...
October 12, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/29123003/outcomes-of-peritoneal-dialysis-catheter-left-in-place-after-kidney-transplantation
#5
Saúl Pampa-Saico, Fernando Caravaca-Fontán, Víctor Burguera-Vion, Víctor Diéz Nicolás, Estefanía Yerovi-León, Sara Jimenez-Álvaro, Ana Fernández-Rodríguez, Roberto Marcén, Maite Rivera-Gorrín
No clear consensus has been reached regarding the optimal time to remove the peritoneal dialysis catheter (PDC) after kidney transplantation (KT). This retrospective observational study, conducted in a single peritoneal dialysis (PD) unit including all PD patients who received a KT between 1995 - 2015, was undertaken to evaluate the clinical outcomes and potential complications associated with a PDC left in place after KT. Of the 132 PD patients who received a KT, 20 were excluded from the study. Of the remaining, 112 (85%) patients with functioning KT were discharged with their PDC left in place and had it removed in a mean interval of 5 ± 3 months after KT, after achieving optimal graft function...
November 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/29119428/isolation-of-bacteriophages-of-the-anaerobic-bacteria-bacteroides
#6
Cristina García-Aljaro, Maite Muniesa, Juan Jofre
Here we describe the detection, enumeration, and isolation of bacteriophages infecting Bacteroides. The method is based on the infection of Bacteroides host strains and the production of visible plaques in a confluent lawn of the host strain using the double-layer agar method. This is a straightforward methodology that can be applied for the detection, enumeration and isolation of bacteriophages for other anaerobic bacteria, using an appropriate host strain and culture conditions. In the case of bacteriophages of Bacteroides the results can be obtained in less than 24 h, although the time could vary depending on the growth rate of the host strain...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29119385/intestinal-permeabiliy-in-relapsing-remitting-multiple-sclerosis
#7
REVIEW
M C Buscarinu, S Romano, R Mechelli, R Pizzolato Umeton, M Ferraldeschi, A Fornasiero, R Reniè, B Cerasoli, E Morena, C Romano, N D Loizzo, R Umeton, M Salvetti, G Ristori
Changes of intestinal permeability (IP) have been extensively investigated in inflammatory bowel diseases (IBD) and celiac disease (CD), underpinned by a known unbalance between microbiota, IP and immune responses in the gut. Recently the influence of IP on brain function has greatly been appreciated. Previous works showed an increased IP that preceded experimental autoimmune encephalomyelitis development and worsened during disease with disruption of TJ. Moreover, studying co-morbidity between Crohn's disease and MS, a report described increased IP in a minority of cases with MS...
November 8, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/29107872/inflammation-and-gut-brain-axis-link-obesity-to-cognitive-dysfunction-plausible-pharmacological-interventions
#8
REVIEW
Maite Solas, Fermin I Milagro, María J Ramírez, J Alfredo Martínez
Obesity prevalence is increasing steadily throughout the world's population in most countries and in parallel the prevalence of metabolic disorders including cardiovascular diseases and type 2 diabetes is also rising, but less is reported about excessive adiposity relationship with poorer cognitive performance, cognitive decline and dementia. Some human clinical studies have evidenced that obesity is related to the risk of the development of mild cognitive impairment, in the form of short-term memory and executive function deficits, as well as dementia and Alzheimer's disease...
November 3, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29107679/efficacy-and-safety-of-selective-internal-radiotherapy-with-yttrium-90-resin-microspheres-compared-with-sorafenib-in-locally-advanced-and-inoperable-hepatocellular-carcinoma-sarah-an-open-label-randomised-controlled-phase-3-trial
#9
Valérie Vilgrain, Helena Pereira, Eric Assenat, Boris Guiu, Alina Diana Ilonca, Georges-Philippe Pageaux, Annie Sibert, Mohamed Bouattour, Rachida Lebtahi, Wassim Allaham, Hélène Barraud, Valérie Laurent, Elodie Mathias, Jean-Pierre Bronowicki, Jean-Pierre Tasu, Rémy Perdrisot, Christine Silvain, René Gerolami, Olivier Mundler, Jean-Francois Seitz, Vincent Vidal, Christophe Aubé, Frédéric Oberti, Olivier Couturier, Isabelle Brenot-Rossi, Jean-Luc Raoul, Anthony Sarran, Charlotte Costentin, Emmanuel Itti, Alain Luciani, René Adam, Maïté Lewin, Didier Samuel, Maxime Ronot, Aurelia Dinut, Laurent Castera, Gilles Chatellier
BACKGROUND: Sorafenib is the recommended treatment for patients with advanced hepatocellular carcinoma. We aimed to compare the efficacy and safety of sorafenib to that of selective internal radiotherapy (SIRT) with yttrium-90 ((90)Y) resin microspheres in patients with hepatocellular carcinoma. METHODS: SARAH was a multicentre, open-label, randomised, controlled, investigator-initiated, phase 3 trial done at 25 centres specialising in liver diseases in France. Patients were eligible if they were aged at least 18 years with a life expectancy greater than 3 months, had an Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1, Child-Pugh liver function class A or B score of 7 or lower, and locally advanced hepatocellular carcinoma (Barcelona Clinic Liver Cancer [BCLC] stage C), or new hepatocellular carcinoma not eligible for surgical resection, liver transplantation, or thermal ablation after a previously cured hepatocellular carcinoma (cured by surgery or thermoablative therapy), or hepatocellular carcinoma with two unsuccessful rounds of transarterial chemoembolisation...
October 26, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29106766/antioxidant-responses-and-deregulation-of-epigenetic-writers-and-erasers-link-oxidative-stress-and-dna-methylation-in-bovine-blastocysts
#10
Monalisa M Bomfim, Gabriella M Andrade, Maite Del Collado, Juliano R Sangalli, Patrícia K Fontes, Marcelo F G Nogueira, Flávio V Meirelles, Juliano C da Silveira, Felipe Perecin
Early mammalian embryos derived from in vitro fertilization are exposed to conditions distinct from the native oviduct-uterine environment, including atmospheric oxygen that promotes cellular oxidative stress and alters gene expression. High oxygen partial pressure during embryo development is associated with low pregnancy rates and increased embryonic apoptosis. We investigated how bovine embryos responded to high (20% O2 ) or low (5% O2 ) oxygen partial pressure during in vitro culture, evaluating levels of reactive oxygen species (ROS) as well as changes in the expression of oxidative stress- and epigenetic-related transcripts and miRNAs in blastocysts...
November 6, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29106304/role-of-mait-cells-in-the-immunopathogenesis-of-inflammatory-diseases-new-players-in-old-game
#11
Vijay Kumar, Ali Ahmad
Current advances in immunology have led to the identification of a population of novel innate immune T cells, called mucosa-associated invariant T (MAIT) cells. The cells in humans express an invariant TCRα chain (Vα7.2-Jα33) paired with a limited subset of TCRβ chains (Vβ2, 13 and 22), are restricted by the MHC class I (MH1)-related (MR)-1, and recognize molecules that are produced in the bacterial riboflavin (vitamin B2) biosynthetic pathway. They are present in the circulation, liver and at various mucosal sites (i...
November 6, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/29097670/the-genetic-variation-in-the-r1a-clade-among-the-ashkenazi-levites-y-chromosome
#12
Doron M Behar, Lauri Saag, Monika Karmin, Meir G Gover, Jeffrey D Wexler, Luisa Fernanda Sanchez, Elliott Greenspan, Alena Kushniarevich, Oleg Davydenko, Hovhannes Sahakyan, Levon Yepiskoposyan, Alessio Boattini, Stefania Sarno, Luca Pagani, Shai Carmi, Shay Tzur, Ene Metspalu, Concetta Bormans, Karl Skorecki, Mait Metspalu, Siiri Rootsi, Richard Villems
Approximately 300,000 men around the globe self-identify as Ashkenazi Levites, of whom two thirds were previously shown to descend from a single male. The paucity of whole Y-chromosome sequences precluded conclusive identification of this ancestor's age, geographic origin and migration patterns. Here, we report the variation of 486 Y-chromosomes within the Ashkenazi and non-Ashkenazi Levite R1a clade, other Ashkenazi Jewish paternal lineages, as well as non-Levite Jewish and non-Jewish R1a samples. Cumulatively, the emerging profile is of a Middle Eastern ancestor, self-affiliating as Levite, and carrying the highly resolved R1a-Y2619 lineage, which was likely a minor haplogroup among the Hebrews...
November 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29097439/mucosa-associated-invariant-t-cells-link-intestinal-immunity-with-antibacterial-immune-defects-in-alcoholic-liver-disease
#13
Antonio Riva, Vishal Patel, Ayako Kurioka, Hannah C Jeffery, Gavin Wright, Sarah Tarff, Debbie Shawcross, Jennifer M Ryan, Alexander Evans, Sarah Azarian, Jasmohan S Bajaj, Andrew Fagan, Vinood Patel, Kosha Mehta, Carlos Lopez, Marieta Simonova, Krum Katzarov, Tanya Hadzhiolova, Slava Pavlova, Julia A Wendon, Ye Htun Oo, Paul Klenerman, Roger Williams, Shilpa Chokshi
BACKGROUND/AIMS: Intestinal permeability with systemic distribution of bacterial products are central in the immunopathogenesis of alcoholic liver disease (ALD), yet links with intestinal immunity remain elusive. Mucosa-associated invariant T cells (MAIT) are found in liver, blood and intestinal mucosa and are a key component of antibacterial host defences. Their role in ALD is unknown. METHODS/DESIGN: We analysed frequency, phenotype, transcriptional regulation and function of blood MAIT cells in severe alcoholic hepatitis (SAH), alcohol-related cirrhosis (ARC) and healthy controls (HC)...
November 2, 2017: Gut
https://www.readbyqxmd.com/read/29095866/using-data-from-respondent-driven-sampling-studies-to-estimate-the-number-of-people-who-inject-drugs-application-to-the-kohtla-j%C3%A3-rve-region-of-estonia
#14
Jiacheng Wu, Forrest W Crawford, Mait Raag, Robert Heimer, Anneli Uusküla
Estimating the size of key risk populations is essential for determining the resources needed to implement effective public health intervention programs. Several standard methods for population size estimation exist, but the statistical and practical assumptions required for their use may not be met when applied to HIV risk groups. We apply three approaches to estimate the number of people who inject drugs (PWID) in the Kohtla-Järve region of Estonia using data from a respondent-driven sampling (RDS) study: the standard "multiplier" estimate gives 654 people (95% CI 509-804), the "successive sampling" method gives estimates between 600 and 2500 people, and a network-based estimate that uses the RDS recruitment chain gives between 700 and 2800 people...
2017: PloS One
https://www.readbyqxmd.com/read/29091477/evaluation-of-a-new-digital-automated-glycemic-pattern-detection-tool
#15
María José Comellas, Emma Albiñana, Maite Artes, Rosa Corcoy, Diego Fernández-García, Jorge García-Alemán, Beatriz García-Cuartero, Cintia González, María Teresa Rivero, Núria Casamira, Jörg Weissmann
BACKGROUND: Blood glucose meters are reliable devices for data collection, providing electronic logs of historical data easier to interpret than handwritten logbooks. Automated tools to analyze these data are necessary to facilitate glucose pattern detection and support treatment adjustment. These tools emerge in a broad variety in a more or less nonevaluated manner. The aim of this study was to compare eDetecta, a new automated pattern detection tool, to nonautomated pattern analysis in terms of time investment, data interpretation, and clinical utility, with the overarching goal to identify early in development and implementation of tool areas of improvement and potential safety risks...
November 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/29083042/practitioner-review-current-best-practice-in-the-use-of-parent-training-and-other-behavioural-interventions-in-the-treatment-of-children-and-adolescents-with-attention-deficit-hyperactivity-disorder
#16
REVIEW
David Daley, Saskia Van Der Oord, Maite Ferrin, Samuele Cortese, Marina Danckaerts, Manfred Doepfner, Barbara J Van den Hoofdakker, David Coghill, Margaret Thompson, Philip Asherson, Tobias Banaschewski, Daniel Brandeis, Jan Buitelaar, Ralf W Dittmann, Chris Hollis, Martin Holtmann, Eric Konofal, Michel Lecendreux, Aribert Rothenberger, Paramala Santosh, Emily Simonoff, Cesar Soutullo, Hans Christoph Steinhausen, Argyris Stringaris, Eric Taylor, Ian C K Wong, Alessandro Zuddas, Edmund J Sonuga-Barke
BACKGROUND: Behavioural interventions are recommended for use with children and young people with attention deficit hyperactivity disorder (ADHD); however, specific guidance for their implementation based on the best available evidence is currently lacking. METHODS: This review used an explicit question and answer format to address issues of clinical concern, based on expert interpretation of the evidence with precedence given to meta-analyses of randomised controlled trials...
October 30, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29081369/revising-rates-of-asymptomatic-zika-virus-infections-based-on-sentinel-surveillance-data-from-french-overseas-territories
#17
Lorenzo Subissi, Elise Daudens-Vaysse, Sylvie Cassadou, Martine Ledrans, Priscillia Bompard, Joël Gustave, Maité Aubry, Van-Mai Cao-Lormeau, Henri-Pierre Mallet
French Polynesia and French Territories of the Americas (FTAs) have experienced outbreaks of Zika virus (ZIKV) infection. These territories used similar sentinel syndromic surveillance to follow the epidemics. However, the surveillance system only takes into account consulting patients diagnosed with ZIKV disease, while non-consulting cases as well as asymptomatic cases are not taken into account. In the French territories under study, we report the ratio of consulting versus non-consulting patients to likely be as low as 1/3 to 1/4 and rough estimates of the ZIKV asymptomatic infections pointing at a lower rate than previously reported (i...
October 25, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29080407/cortical-microstructural-changes-along-the-alzheimer-s-disease-continuum
#18
Victor Montal, Eduard Vilaplana, Daniel Alcolea, Jordi Pegueroles, Ofer Pasternak, Sofia González-Ortiz, Jordi Clarimón, María Carmona-Iragui, Ignacio Illán-Gala, Estrella Morenas-Rodríguez, Roser Ribosa-Nogué, Isabel Sala, María-Belén Sánchez-Saudinós, Maite García-Sebastian, Jorge Villanúa, Andrea Izagirre, Ainara Estanga, Mirian Ecay-Torres, Ane Iriondo, Montserrat Clerigue, Mikel Tainta, Ana Pozueta, Andrea González, Eloy Martínez-Heras, Sara Llufriu, Rafael Blesa, Pascual Sanchez-Juan, Pablo Martínez-Lage, Alberto Lleó, Juan Fortea
INTRODUCTION: Cortical mean diffusivity (MD) and free water fraction (FW) changes are proposed biomarkers for Alzheimer's disease (AD). METHODS: We included healthy control subjects (N = 254), mild cognitive impairment (N = 41), and AD dementia (N = 31) patients. Participants underwent a lumbar puncture and a 3 T magnetic resonance imaging. Healthy control subjects were classified following National Institute on Aging-Alzheimer's Association stages (stage 0, N = 220; stage 1, N = 25; and stage 2/3, N = 9)...
October 31, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29078818/the-human-lncrna-linc-pint-inhibits-tumor-cell-invasion-through-a-highly-conserved-sequence-element
#19
Oskar Marín-Béjar, Aina M Mas, Jovanna González, Dannys Martinez, Alejandro Athie, Xabier Morales, Mikel Galduroz, Ivan Raimondi, Elena Grossi, Shuling Guo, Ana Rouzaut, Igor Ulitsky, Maite Huarte
BACKGROUND: It is now obvious that the majority of cellular transcripts do not code for proteins, and a significant subset of them are long non-coding RNAs (lncRNAs). Many lncRNAs show aberrant expression in cancer, and some of them have been linked to cell transformation. However, the underlying mechanisms remain poorly understood and it is unknown how the sequences of lncRNA dictate their function. RESULTS: Here we characterize the function of the p53-regulated human lncRNA LINC-PINT in cancer...
October 27, 2017: Genome Biology
https://www.readbyqxmd.com/read/29078115/only-complete-tumour-resection-after-neoadjuvant-chemotherapy-offers-benefit-over-suboptimal-debulking-in-advanced-ovarian-cancer
#20
Carolien K M Vermeulen, Workineh Tadesse, Maite Timmermans, Roy F P M Kruitwagen, Tom Walsh
OBJECTIVE: The aim of this study was to compare surgical results and survival outcome of advanced ovarian cancer patients who were treated with primary versus interval debulking surgery. STUDY DESIGN: In this retrospective study stage III and IV ovarian cancer patients who received debulking surgery from 2006 to 2015 were included. Surgical results were described as complete, optimal or suboptimal debulking and chi-square test was used to assess significant differences...
October 19, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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