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M Bonet, T Bonfill, M Nuñez, L De Verdonces, E Mur, E Gallardo, L Fernandez-Morales, A Aguilar, J Prats, M Arenas
In the original version of this article the figure captions of Figs. 1 and 2 were interchanged.
March 15, 2018: Clinical & Translational Oncology
Dennis W den Uijl, Nuno Cabanelas, Eva M Benito, Rosa Figueras, Francisco Alarcón, Roger Borràs, Susanna Prat, Eduard Guasch, Rosario Perea, Marta Sitges, Josep Brugada, Antonio Berruezo, Lluís Mont
INTRODUCTION: To investigate the relation between left atrial (LA) volume, sphericity and fibrotic content derived from contrast-enhanced cardiac magnetic resonance imaging (CE-CMR) and their impact on the outcome of catheter ablation for atrial fibrillation (AF). METHODS AND RESULTS: In 83 patients undergoing catheter ablation for AF, CE-CMR was used to assess LA volume, sphericity and fibrosis. There was a significant correlation between LA volume and sphericity (R = 0...
March 12, 2018: Journal of Cardiovascular Electrophysiology
Miranda Prats-van der Ham, Juan Tatay-Dualde, Ángel Gómez-Martín, Juan Carlos Corrales, Antonio Contreras, Antonio Sánchez, Christian de la Fe
Mycoplasma capricolum subsp. capricolum (Mcc) is one of the causative agents of contagious agalactia, and antimicrobial therapy is the most commonly applied measure to treat outbreaks of this disease. Macrolides and lincosamides bind specifically to nucleotides at domains II and V of the 23S rRNA. Furthermore, rplD and rplV genes encode ribosomal proteins L4 and L22, which are also implicated in the macrolide binding site. The aim of this work was to study the relationship between mutations in these genes and the acquisition of macrolide and lincosamide resistance in Mcc...
March 2018: Veterinary Microbiology
Marc Valera-Melé, Anna Puigdellívol-Sánchez, Marija Mavar-Haramija, Juan A Juanes-Méndez, Luis San-Román, Matteo de Notaris, Alberto Prats-Galino
We describe a new and freely available 3D interactive model of the intracranial internal carotid artery (ICA) and the skull base that also allows to display and compare its main segment classifications. High-resolution 3D human angiography (isometric voxel's size 0.36 mm) and Computed Tomography angiography images were exported to Virtual Reality Modeling Language (VRML) format for processing in a 3D software platform and embedding in a 3D Portable Document Format (PDF) document that can be freely downloaded at http://diposit...
March 5, 2018: Journal of Medical Systems
R W Liefferink, A Naillon, D Bonn, M Prat, N Shahidzadeh
The behaviour of minerals (i.e. salts) such as sodium chloride and calcite in porous media is very important in various applications such as weathering of artworks, oil recovery and CO2 sequestration. We report a novel method for manufacturing single layer porous media in which minerals can be entrapped in a controlled way in order to study their dissolution and recrystallization. In addition, our manufacturing method is a versatile tool for creating monomodal, bimodal or multimodal pore size microporous media with controlled porosity ranging from 25% to 50%...
March 5, 2018: Lab on a Chip
Rubén Ladrera, Joan Gomà, Narcís Prat
This study aims to contribute to the understanding of the impact of Didymosphenia geminata massive growths upon river ecosystem communities' composition and functioning. This is the first study to jointly consider the taxonomic composition and functional structure of diatom and macroinvertebrate assemblages in order to determine changes in community structure, and the food web alterations associated with this invasive alga. This study was carried out in the Lumbreras River (Ebro Basin, La Rioja, Northern Spain), which has been affected by a considerable massive growth of D...
2018: PloS One
Vasiliki Vivian Iliadou, Martin Ptok, Helen Grech, Ellen Raben Pedersen, André Brechmann, Naïma Deggouj, Christiane Kiese-Himmel, Mariola S Liwin Ska-Kowalska, Andreas Nickisch, Laurent Demanez, Evelyne Veuillet, Hung Thai-Van, Tony Sirimanna, Marina Callimachou, Rosamaria Santarelli, Sandra Kuske, Jose Juan Barajas de Prat, Mladen Hedever, Ozlem Konukseven, Dorothy Veraguth, Tone Stokkereit Mattsson, Jorge Humberto Martins, Doris-Eva Bamiou
No abstract text is available yet for this article.
February 28, 2018: International Journal of Audiology
Eduard Prat, Sven Reiche
X-ray free-electron lasers (FELs) are cutting-edge scientific tools able to generate transversely coherent radiation with very high power and ultra-short pulse durations. The self-seeding mechanism has been proven to increase the longitudinal coherence of the FEL radiation but its efficiency could be significantly improved, especially for soft X-rays. This paper proposes the enhancement of the performance of self-seeding by combining it with the harmonic generation mechanism. In particular, by starting the process with a subharmonic of the wavelength of interest, the coherence of the produced radiation is improved, the undulator beamline becomes more compact, and the monochromator realization is simplified...
March 1, 2018: Journal of Synchrotron Radiation
Roy Seo, Andrea Stocco, Chantel S Prat
Research on the neural bases of bilingual language control has largely overlooked the role of preparatory processes, which are central to cognitive control. Additionally, little is known about how the process involved in global language selection may differ from those involved in the selection of words and morpho-syntactic rules for manipulating them. These processes were examined separately in an fMRI experiment, with an emphasis on understanding how and when general cognitive control regions become activated...
February 24, 2018: NeuroImage
Albert Galera-Prat, David Pantoja-Uceda, Douglas V Laurents, Mariano Carrión Vázquez
Bacterial cellulases are drawing increased attention as a means to obtain plentiful chemical feedstocks and fuels from renewable lignocellulosic biomass sources. Certain bacteria deploy a large extracellular multi-protein complex, called the cellulosome, to degrade cellulose. Scaffoldin, a key non-catalytic cellulosome component, is a large protein containing a cellulose-specific carbohydrate-binding module and several cohesin modules which bind and organize the hydrolytic enzymes. Despite the importance of the structure and protein/protein interactions of the cohesin module in the cellulosome, its structure in solution has remained unknown to date...
February 24, 2018: Archives of Biochemistry and Biophysics
Catherine Larochelle, Timo Uphaus, Bieke Broux, Elizabeth Gowing, Magdalena Paterka, Laure Michel, Nevenka Dudvarski Stankovic, Frank Bicker, Florent Lemaître, Alexandre Prat, Mirko H H Schmidt, Frauke Zipp
Extracellular matrix (ECM) proteins secreted by blood-brain barrier (BBB) endothelial cells (ECs) are implicated in cell trafficking. We discovered that the expression of ECM epidermal growth factor-like protein 7 (EGFL7) is increased in the CNS vasculature of patients with multiple sclerosis (MS), and in mice with experimental autoimmune encephalomyelitis (EAE). Perivascular CD4 T lymphocytes colocalize with ECM-bound EGFL7 in MS lesions. Human and mouse activated T cells upregulate EGFL7 ligand αvβ3 integrin and can adhere to EGFL7 through integrin αvβ3...
February 26, 2018: Nature Communications
Clara Prats, Terry E Graham, Jane Shearer
Glycogen, the primary storage form of glucose, is a rapid and accessible form of energy that can be supplied to tissues on demand. Each glycogen granule, or 'glycosome' is considered an independent metabolic unit composed of a highly branched polysaccharide and various proteins involved in its metabolism. In this article, we review the literature to follow the dynamic life of a glycogen granule in a multi-compartmentalized system, the cell; how and where glycogen granules appear and the factors governing its degradation...
February 26, 2018: Journal of Biological Chemistry
Konstantinos V Floros, Timothy L Lochmann, Bin Hu, Carles Monterrubio, Mark T Hughes, Jason D Wells, Cristina Bernadó Morales, Maninderjit S Ghotra, Carlotta Costa, Andrew J Souers, Sosipatros A Boikos, Joel D Leverson, Ming Tan, Violeta Serra, Jennifer E Koblinski, Joaquin Arribas, Aleix Prat, Laia Paré, Todd W Miller, Mikhail G Dozmorov, Hisashi Harada, Brad E Windle, Maurizio Scaltriti, Anthony C Faber
HER2 ( ERBB2 ) amplification is a driving oncogenic event in breast cancer. Clinical trials have consistently shown the benefit of HER2 inhibitors (HER2i) in treating patients with both local and advanced HER2+ breast cancer. Despite this benefit, their efficacy as single agents is limited, unlike the robust responses to other receptor tyrosine kinase inhibitors like EGFR inhibitors in EGFR -mutant lung cancer. Interestingly, the lack of HER2i efficacy occurs despite sufficient intracellular signaling shutdown following HER2i treatment...
February 23, 2018: Proceedings of the National Academy of Sciences of the United States of America
Felipe Benavente-Villegas, Tania Díaz-Corpas, María García-Briz, Lya Moneva-Léniz, José Sánchez-Motilla, Amelia Prats-Máñez, Amparo Fuertes-Prosper, Pilar Soriano-Sarrió
La práctica de tatuajes tienen más de 8000 años de antigüedad, existiendo un incremento continuo en la sociedad occidental en las últimos 3 décadas La introducción de una sustancia exógena en la pielpuede provocar una respuesta inmunológica en su contra, estando descritas reacciones cutáneas por hipersensibilidad a una variedad de pigmentos, las que se limitan al área de un determinado color,atribuyéndose a los materiales inyectados. El color más reportado en la literatura es el rojo, que tradicionalmente se confeccionaban a base dederivados del mercurio (cinabrio)...
January 15, 2018: Dermatology Online Journal
Jared L Wilmoth, Peter W Doak, Andrea Timm, Michelle Halsted, John D Anderson, Marta Ginovart, Clara Prats, Xavier Portell, Scott T Retterer, Miguel Fuentes-Cabrera
The factors leading to changes in the organization of microbial assemblages at fine spatial scales are not well characterized or understood. However, they are expected to guide the succession of community development and function toward specific outcomes that could impact human health and the environment. In this study, we put forward a combined experimental and agent-based modeling framework and use it to interpret unique spatial organization patterns of H1-Type VI secretion system (T6SS) mutants of P . aeruginosa under spatial confinement...
2018: Frontiers in Microbiology
H L Stevenson, M M Prats, K Isse, A Zeevi, Y Avitzur, V L Ng, A J Demetris
According to the Banff criteria for kidney allografts, isolated vascular or "v" lesions are defined as intimal inflammation, age-inappropriate fibro-intimal hyperplasia, or both, without the presence of associated interstitial T cell-mediated rejection (TCMR). In general, these lesions portend a worse outcome for kidney allografts, particularly in those where the "v" lesions are identified in patients with co-existent donor specific antibodies (DSA) or later after transplantation. Although affected arteries are rarely sampled in liver allograft biopsies, we identified 9 patients at a mean of 1,805 days post-transplantation and compared these to matched controls...
February 21, 2018: American Journal of Transplantation
Camille D Malonzo, Zhao Wang, Jiaxin Duan, Wenyang Zhao, Thomas E Webber, Zhanyong Li, In Soo Kim, Anurag Kumar, Aditya Bhan, Ana E Platero-Prats, Karena W Chapman, Omar K Farha, Joseph T Hupp, Alex B F Martinson, R Lee Penn, Andreas Stein
Nanocasting can be a useful strategy to transfer the catalytic metal clusters in metal-organic frameworks (MOFs) to an all-inorganic support such as silica. The incorporation of silica in the MOF pores as a secondary support has the potential to extend the application of the highly tunable metal-based active sites in MOFs to high temperature catalysis. Here, we demonstrate the applicability of the nanocasting method to a range of MOFs that incorporate catalytically attractive hexazirconium, hexacerium, or pentanickel oxide-based clusters (UiO-66, (Ce)UiO-66, (Ce)UiO-67, (Ce)MOF-808, DUT-9, and In- and Ni-postmetalated NU-1000)...
February 20, 2018: Inorganic Chemistry
Eugenio Cárdenas Ruiz-Valdepeñas, Ariel Kaen, Gustavo Pérez Prat, Jesus Ambrosiani Fernandez
BACKGROUND: Nowadays, endoscopic endonasal expanded approach targeting for the clival lower third is well described in literature. Nonetheless, great variations can be found among surgical groups, specially during the earlier stages of this procedure. METHOD: We present a step by step description of the clival lower third approach until entering the dural space, setting its bony limits. We describe the basipharyngeal flap tailoring as a helpful option for latter reconstruction...
February 17, 2018: Acta Neurochirurgica
S Lasurt-Bachs, P Torner, F Maculé, E Prats, F Menéndez-García, J Ríos-Guillermo, A Torrents
AIM: To compare two different types of inserts: Ultra-high molecular weight polyethylene (UHMWPE) and cross-linked polyethylene with a quantitative and qualitative study of polyethylene wear particles in synovial fluid 3 years after total knee arthroplasty. MATERIAL AND METHODS: A prospective, randomized, controlled cohort study with blinded evaluation was carried out on 25 patients undergoing staged bilateral total knee replacement, 6 months apart. Knee arthrocentesis was performed on 12 patients 3 years after surgery, and the polyethylene particles were analyzed...
February 14, 2018: Revista Española de Cirugía Ortopédica y Traumatología
O Hamzaoui, M Jozwiak, T Geffriaud, B Sztrymf, D Prat, F Jacobs, X Monnet, P Trouiller, C Richard, J L Teboul
BACKGROUND: We conducted this study to investigate whether norepinephrine increases cardiac contractility when administered during the early phase of septic shock. METHODS: We studied 38 patients with septic shock who had been resuscitated for <3 h and whose mean arterial pressure (MAP) remained <65 mm Hg. Echocardiographic variables were obtained before (T0 ) and after either initiation or an increase in the dose of a norepinephrine infusion to increase MAP to ≥ 65 mm Hg (T1 )...
March 2018: British Journal of Anaesthesia
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