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https://www.readbyqxmd.com/read/29352064/gif-transcriptional-co-regulators-control-root-meristem-homeostasis
#1
María Florencia Ercoli, Antonella Ferela, Juan M Debernardi, Ana Paula Perrone, Ramiro E Rodriguez, Javier Fernando Palatnik
In the root meristem, the quiescent center (QC) is surrounded by stem cells, which in turn generate the different cell types of the root. QC cells rarely divide under normal conditions but can replenish damaged stem cells. In the proximal meristem, the daughters of stem cells, which are referred to as transit amplifying cells, undergo additional rounds of cell division prior to differentiation. Here, we describe the functions of GRF-INTERACTING FACTORs (GIFs), including ANGUSTIFOLIA3 (AN3), in Arabidopsis thaliana roots...
January 18, 2018: Plant Cell
https://www.readbyqxmd.com/read/29351688/three-hand-endoscopic-endonasal-transsphenoidal-surgery-experience-with-an-anatomy-preserving-mononostril-approach-technique
#2
Chikezie I Eseonu, Karim ReFaey, Eva Pamias-Portalatin, Javier Asensio, Oscar Garcia, Kofi D Boahene, Alfredo Quiñones-Hinojosa
BACKGROUND: Variations on the endoscopic transsphenoidal approach present unique surgical techniques that have unique effects on surgical outcomes, extent of resection (EOR), and anatomical complications. OBJECTIVE: To analyze the learning curve and perioperative outcomes of the 3-hand endoscopic endonasal mononostril transsphenoidal technique. METHODS: Prospective case series and retrospective data analysis of patients who were treated with the 3-hand transsphenoidal technique between January 2007 and May 2015 by a single neurosurgeon...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29351666/intraoperative-identification-and-preservation-of-verbal-memory-in-diffuse-gliomas-a-matched-pair-cohort-study
#3
Juan Martino, Elsa Gomez, Enrique Marco de Lucas, David Mato, Javier Vázquez-Bourgon
BACKGROUND: Recent glioma surgery series with intraoperative electrical stimulation (IES) language mapping have demonstrated high rates of postoperative memory impairment, raising a question regarding the efficacy of this approach to preserve memory. OBJECTIVE: To evaluate if intraoperative identification and preservation of verbal memory sites with IES mapping in diffuse gliomas in eloquent areas consistently protect patients from long-term postoperative decline in short-term memory...
January 17, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29351549/weeds-and-ground-dwelling-predators-response-to-two-different-weed-management-systems-in-glyphosate-tolerant-cotton-a-farm-scale-study
#4
Esteban García-Ruiz, Íñigo Loureiro, Gema P Farinós, Pablo Gómez, Elena Gutiérrez, Francisco Javier Sánchez, María Concepción Escorial, Félix Ortego, María Cristina Chueca, Pedro Castañera
The use of glyphosate, as a post-emergence broad-spectrum herbicide in genetically modified glyphosate-tolerant (GT) cotton, supposes a big change in weed management programs with respect to a conventional regime. Thus, alterations in arable flora and arthropod fauna must be considered when evaluating their potential impacts. A 3-year farm-scale study was conducted in a 2-ha GT cotton crop, in southern Spain, to compare the effects of conventional and glyphosate herbicide regimes on weed abundance and diversity and their consequences for ground-dwelling predators...
2018: PloS One
https://www.readbyqxmd.com/read/29351491/pneumococcal-meningitis-trends-after-pneumococcal-conjugate-vaccine-introduction-in-colombia-an-interrupted-time-series-analysis
#5
Diana C Caceres, Eduardo Ortega-Barria, Javier Nieto, Rodrigo DeAntonio
Colombia introduced mass pneumococcal conjugate vaccination at the end of 2011. Using 2005-2015 surveillance data, we conducted a retrospective interrupted time-series analysis. A significant trend towards reduced monthly was observed in the post-vaccination period (2012-2015) compared with the expected rate, reaching in 2015 a reduction of 90.5% of pneumococcal meningitis.. This trend was not observed for control diseases.
January 19, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29351369/heparin-but-not-tissue-plasminogen-activator-improves-outcomes-in-dcd-liver-transplantation-in-a-porcine-model
#6
Amelia J Hessheimer, Marina Vendrell, Javier Muñoz, Ángel Ruíz, Alba Díaz, Luís Flores Sigüenza, Jorge Rodríguez Lanzilotta, Eduardo Delgado Oliver, Jose Fuster, Miquel Navasa, Juan Carlos García-Valdecasas, Pilar Taurá, Constantino Fondevila
BACKGROUND: Ischemic type biliary lesions arise most frequently after DCD liver transplantation and result in high morbidity and graft loss. Many DCD grafts are discarded out of fear for this complication. In theory, microvascular thrombi deposited during donor warm ischemia might be implicated in ITBL pathogenesis. Herein, we aim to evaluate the effects of the administration of either heparin or the fibrinolytic drug TPA as means to improve DCD liver graft quality and potentially avoid ITBL...
January 19, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29350296/use-of-biotechnological-devices-in-the-quantification-of-psychophysiological-workload-of-professional-chess-players
#7
Juan P Fuentes, Santos Villafaina, Daniel Collado-Mateo, Ricardo de la Vega, Narcis Gusi, Vicente Javier Clemente-Suárez
Psychophysiological requirements of chess players are poorly understood, and periodization of training is often made without any empirical basis. For this reason, the aim of the present study was to investigate the psychophysiological response and quantify the player internal load during, and after playing a chess game. The participant was an elite 33 year-old male chess player ranked among the 300 best chess players in the world. Thus, cortical arousal by critical flicker fusion threshold, electroencephalogram by the theta Fz/alpha Pz ratio and autonomic modulation by heart rate variability were analyzed...
January 19, 2018: Journal of Medical Systems
https://www.readbyqxmd.com/read/29349598/phase-ib-study-evaluating-safety-and-clinical-activity-of-the-anti-her3-antibody-lumretuzumab-combined-with-the-anti-her2-antibody-pertuzumab-and-paclitaxel-in-her3-positive-her2-low-metastatic-breast-cancer
#8
Andreas Schneeweiss, Tjoung-Won Park-Simon, Joan Albanell, Ulrik Lassen, Javier Cortés, Veronique Dieras, Marcus May, Christoph Schindler, Frederik Marmé, Juan Miguel Cejalvo, Maria Martinez-Garcia, Iria Gonzalez, Jose Lopez-Martin, Anja Welt, Christelle Levy, Florence Joly, Francesca Michielin, Wolfgang Jacob, Céline Adessi, Annie Moisan, Georgina Meneses-Lorente, Tomas Racek, Ian James, Maurizio Ceppi, Max Hasmann, Martin Weisser, Andrés Cervantes
Purpose To investigate the safety and clinical activity of comprehensive human epidermal growth factor receptor (HER) family receptor inhibition using lumretuzumab (anti-HER3) and pertuzumab (anti-HER2) in combination with paclitaxel in patients with metastatic breast cancer (MBC). Methods This phase Ib study enrolled 35 MBC patients (first line or higher) with HER3-positive and HER2-low (immunohistochemistry 1+ to 2+ and in-situ hybridization negative) tumors. Patients received lumretuzumab (1000 mg in Cohort 1; 500 mg in Cohorts 2 and 3) plus pertuzumab (840 mg loading dose [LD] followed by 420 mg in Cohorts 1 and 2; 420 mg without LD in Cohort 3) every 3 weeks, plus paclitaxel (80 mg/m2 weekly in all cohorts)...
January 19, 2018: Investigational New Drugs
https://www.readbyqxmd.com/read/29349012/arthroscopic-reduction-and-internal-fixation-of-a-rim-fracture
#9
Raul Torres-Eguía, Jesús Más Martínez, Javier Sanz-Reig
Femoroacetabular impingement is uncommonly associated to a rim fracture. Complete resection of the fragment might result in iatrogenic instability or poor femoral head coverage. In this report, we describe the step-by-step surgical technique of arthroscopic partial resection of a rim fracture, reduction and internal fixation of the remaining fragment to correct the impingement, and preserve the adequate acetabular coverage.
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29349004/arthroscopic-treatment-of-a-malunion-of-a-posteromedial-tubercle-fracture-of-the-talus
#10
Jesús Más Martínez, Carmen Verdú Román, Enrique Martínez Giménez, Javier Sanz-Reig, David Bustamante Suárez de Puga, Manuel Morales Santías
Posteromedial ankle impingement is rare and uncommonly associated with a fracture. Bone resection of the fragment is the recommended treatment. In this report, we describe the step-by-step surgical technique of arthroscopic resection of a malunion of a posteromedial talus fracture to correct the impingement.
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29348645/a-global-perspective-on-the-trophic-geography-of-sharks
#11
Christopher S Bird, Ana Veríssimo, Sarah Magozzi, Kátya G Abrantes, Alex Aguilar, Hassan Al-Reasi, Adam Barnett, Dana M Bethea, Gérard Biais, Asuncion Borrell, Marc Bouchoucha, Mariah Boyle, Edward J Brooks, Juerg Brunnschweiler, Paco Bustamante, Aaron Carlisle, Diana Catarino, Stéphane Caut, Yves Cherel, Tiphaine Chouvelon, Diana Churchill, Javier Ciancio, Julien Claes, Ana Colaço, Dean L Courtney, Pierre Cresson, Ryan Daly, Leigh de Necker, Tetsuya Endo, Ivone Figueiredo, Ashley J Frisch, Joan Holst Hansen, Michael Heithaus, Nigel E Hussey, Johannes Iitembu, Francis Juanes, Michael J Kinney, Jeremy J Kiszka, Sebastian A Klarian, Dorothée Kopp, Robert Leaf, Yunkai Li, Anne Lorrain, Daniel J Madigan, Aleksandra Maljković, Luis Malpica-Cruz, Philip Matich, Mark G Meekan, Frédéric Ménard, Gui M Menezes, Samantha E M Munroe, Michael C Newman, Yannis P Papastamatiou, Heidi Pethybridge, Jeffrey D Plumlee, Carlos Polo-Silva, Katie Quaeck-Davies, Vincent Raoult, Jonathan Reum, Yassir Eden Torres-Rojas, David S Shiffman, Oliver N Shipley, Conrad W Speed, Michelle D Staudinger, Amy K Teffer, Alexander Tilley, Maria Valls, Jeremy J Vaudo, Tak-Cheung Wai, R J David Wells, Alex S J Wyatt, Andrew Yool, Clive N Trueman
Sharks are a diverse group of mobile predators that forage across varied spatial scales and have the potential to influence food web dynamics. The ecological consequences of recent declines in shark biomass may extend across broader geographic ranges if shark taxa display common behavioural traits. By tracking the original site of photosynthetic fixation of carbon atoms that were ultimately assimilated into muscle tissues of 5,394 sharks from 114 species, we identify globally consistent biogeographic traits in trophic interactions between sharks found in different habitats...
January 18, 2018: Nature Ecology & Evolution
https://www.readbyqxmd.com/read/29348297/changes-in-macrophage-transcriptome-associate-with-systemic-sclerosis-and-mediate-gsdma-contribution-to-disease-risk
#12
Aida Moreno-Moral, Marta Bagnati, Surya Koturan, Jeong-Hun Ko, Carmen Fonseca, Nathan Harmston, Laurence Game, Javier Martin, Voon Ong, David J Abraham, Christopher P Denton, Jacques Behmoaras, Enrico Petretto
OBJECTIVES: Several common and rare risk variants have been reported for systemic sclerosis (SSc), but the effector cell(s) mediating the function of these genetic variants remains to be elucidated. While innate immune cells have been proposed as the critical targets to interfere with the disease process underlying SSc, no studies have comprehensively established their effector role. Here we investigated the contribution of monocyte-derived macrophages (MDMs) in mediating genetic susceptibility to SSc...
January 17, 2018: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29347460/boltzmann-kinetic-equation-for-a-strongly-confined-gas-of-hard-spheres
#13
J Javier Brey, M I García de Soria, P Maynar
A Boltzmann-like kinetic equation for a quasi-two-dimensional gas of hard spheres is derived. The system is confined between two parallel hard plates separated a distance between one and two particle diameters. An entropy Lyapunov function for the equation is identified. In addition to the usual Boltzmann expression, it contains a contribution associated to the confinement of the particles. The steady properties of the system agree with equilibrium statistical mechanics results. Equations describing the energy transfer between the degrees of freedom parallel and perpendicular to the confining plates are obtained for some simple initial configurations...
October 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346653/emergence-of-acute-subacute-infant-juvenile-paracoccidioidomycosis-in-northeast-argentina-effect-of-climatic-and-anthropogenic-changes
#14
Gustavo Giusiano, Clarisa Aguirre, Claudia Vratnica, Florencia Rojas, Teresa Corallo, María Emilia Cattana, Mariana Fernández, Javier Mussin, María de Los Angeles Sosa
Argentina has two endemic areas of paracoccidioidomycosis (PCM). Bordering Paraguay and Brazil, Northeast Argentina (NEA) comprises the area with the highest incidence where the chronic adult clinical form has historically been reported. Juvenile form in children and adolescents is rare in this area since only one case was reported in the last 10 years. Despite this, between 2010 and 2012, several cases of acute/subacute clinical forms in children aged 10 to 16 (median 12) were detected. In the last decade, the NEA region has been exposed to ecological variations as consequences of certain climatic and anthropogenic changes, including El Niño-Southern Oscillation phenomenon during 2009, and deforestation...
January 13, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29346537/cerebral-mitochondrial-dysfunction-associated-with-deep-hypothermic-circulatory-arrest-in-neonatal-swine
#15
Constantine D Mavroudis, Michael Karlsson, Tiffany Ko, Marco Hefti, Javier I Gentile, Ryan W Morgan, Ross Plyler, Kobina G Mensah-Brown, Timothy W Boorady, Richard W Melchior, Tami M Rosenthal, Brandon C Shade, Kellie L Schiavo, Susan C Nicolson, Thomas L Spray, Robert M Sutton, Robert A Berg, Daniel J Licht, J William Gaynor, Todd J Kilbaugh
OBJECTIVES: Controversy remains regarding the use of deep hypothermic circulatory arrest (DHCA) in neonatal cardiac surgery. Alterations in cerebral mitochondrial bioenergetics are thought to contribute to ischaemia-reperfusion injury in DHCA. The purpose of this study was to compare cerebral mitochondrial bioenergetics for DHCA with deep hypothermic continuous perfusion using a neonatal swine model. METHODS: Twenty-four piglets (mean weight 3.8 kg) were placed on cardiopulmonary bypass (CPB): 10 underwent 40-min DHCA, following cooling to 18°C, 10 underwent 40 min DHCA and 10 remained at deep hypothermia for 40 min; animals were subsequently rewarmed to normothermia...
January 15, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29346518/determinants-of-health-trajectories-in-england-and-the-us-an-approach-to-identify-different-patterns-of-healthy-aging
#16
Javier de la Fuente, Francisco Félix Caballero, Albert Sánchez-Niubó, Demosthenes B Panagiotakos, Matthew A Prina, Holger Arndt, Josep Maria Haro, Somnath Chatterji, José Luis Ayuso-Mateos
Background: Aging is a multidimensional process with a remarkable inter-individual variability. This study is focused on identifying groups of population with similar aging patterns, and to define the health trajectories of these groups. Socio-demographic and health determinants of these trajectories are also identified. Methods: Data from the English Longitudinal Study of Aging (ELSA) and the Health and Retirement Study (HRS) were used. A set of self-reported health items and measured tests were used to generate a latent health metric by means of a Bayesian multilevel IRT model, assessing the ability of the metric to predict mortality...
January 16, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29346435/influenza-a-virus-hemagglutinin-glycosylation-compensates-for-antibody-escape-fitness-costs
#17
Ivan Kosik, William L Ince, Lauren E Gentles, Andrew J Oler, Martina Kosikova, Matthew Angel, Javier G Magadán, Hang Xie, Christopher B Brooke, Jonathan W Yewdell
Rapid antigenic evolution enables the persistence of seasonal influenza A and B viruses in human populations despite widespread herd immunity. Understanding viral mechanisms that enable antigenic evolution is critical for designing durable vaccines and therapeutics. Here, we utilize the primerID method of error-correcting viral population sequencing to reveal an unexpected role for hemagglutinin (HA) glycosylation in compensating for fitness defects resulting from escape from anti-HA neutralizing antibodies...
January 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29346320/c-phycocyanin-and-phycocyanobilin-as-remyelination-therapies-for-enhancing-recovery-in-multiple-sclerosis-and-ischemic-stroke-a-preclinical-perspective
#18
REVIEW
Giselle Pentón-Rol, Javier Marín-Prida, Viviana Falcón-Cama
Myelin loss has a crucial impact on behavior disabilities associated to Multiple Sclerosis (MS) and Ischemic Stroke (IS). Although several MS therapies are approved, none of them promote remyelination in patients, limiting their ability for chronic recovery. With no available therapeutic options, enhanced demyelination in stroke survivors is correlated with a poorer behavioral recovery. Here, we show the experimental findings of our group and others supporting the remyelinating effects of C-Phycocyanin (C-PC), the main biliprotein of Spirulina platensis and its linked tetrapyrrole Phycocyanobilin (PCB), in models of these illnesses...
January 18, 2018: Behavioral Sciences
https://www.readbyqxmd.com/read/29345852/cadmium-and-cadmium-tolerant-soil-bacteria-in-cacao-crops-from-northeastern-colombia
#19
Daniel Bravo, Sergio Pardo-Díaz, Javier Benavides-Erazo, Gersain Rengifo-Estrada, Olivier Braissant, Clara Leon-Moreno
AIMS: This research aims to assess total-cadmium soil content and microbiological aspects to understand the dynamics of culturable cadmium-tolerant bacteria (CdtB) in cacao soils from northeastern Colombia. METHODS AND RESULTS: An integration of inverted dish plating, Cd determination and a microcalorimetry assay (IMC) was carried out. A farm in Boyacá showed the highest level of total soil Cd (3.74 mg kg-1 ) followed by farms in Santander and Arauca (2.76 and 1...
January 18, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29345307/competitive-ability-stress-tolerance-and-plant-interactions-along-stress-gradients
#20
Man Qi, Tao Sun, SuFeng Xue, Wei Yang, DongDong Shao, Javier Martínez-López
Exceptions to the generality of the stress-gradient hypothesis (SGH) may be reconciled by considering species-specific traits and stress tolerance strategies. Studies have tested stress tolerance and competitive ability in mediating interaction outcomes, but few have incorporated this to predict how species interactions shift between competition and facilitation along stress gradients. We used field surveys, salt tolerance and competition experiments to develop a predictive model interspecific interaction shifts across salinity stress gradients...
January 18, 2018: Ecology
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