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Iñigo Olalde, Selina Brace, Morten E Allentoft, Ian Armit, Kristian Kristiansen, Thomas Booth, Nadin Rohland, Swapan Mallick, Anna Szécsényi-Nagy, Alissa Mittnik, Eveline Altena, Mark Lipson, Iosif Lazaridis, Thomas K Harper, Nick Patterson, Nasreen Broomandkhoshbacht, Yoan Diekmann, Zuzana Faltyskova, Daniel Fernandes, Matthew Ferry, Eadaoin Harney, Peter de Knijff, Megan Michel, Jonas Oppenheimer, Kristin Stewardson, Alistair Barclay, Kurt Werner Alt, Corina Liesau, Patricia Ríos, Concepción Blasco, Jorge Vega Miguel, Roberto Menduiña García, Azucena Avilés Fernández, Eszter Bánffy, Maria Bernabò-Brea, David Billoin, Clive Bonsall, Laura Bonsall, Tim Allen, Lindsey Büster, Sophie Carver, Laura Castells Navarro, Oliver E Craig, Gordon T Cook, Barry Cunliffe, Anthony Denaire, Kirsten Egging Dinwiddy, Natasha Dodwell, Michal Ernée, Christopher Evans, Milan Kuchařík, Joan Francès Farré, Chris Fowler, Michiel Gazenbeek, Rafael Garrido Pena, María Haber-Uriarte, Elżbieta Haduch, Gill Hey, Nick Jowett, Timothy Knowles, Ken Massy, Saskia Pfrengle, Philippe Lefranc, Olivier Lemercier, Arnaud Lefebvre, César Heras Martínez, Virginia Galera Olmo, Ana Bastida Ramírez, Joaquín Lomba Maurandi, Tona Majó, Jacqueline I McKinley, Kathleen McSweeney, Balázs Gusztáv Mende, Alessandra Modi, Gabriella Kulcsár, Viktória Kiss, András Czene, Róbert Patay, Anna Endrődi, Kitti Köhler, Tamás Hajdu, Tamás Szeniczey, János Dani, Zsolt Bernert, Maya Hoole, Olivia Cheronet, Denise Keating, Petr Velemínský, Miroslav Dobeš, Francesca Candilio, Fraser Brown, Raúl Flores Fernández, Ana-Mercedes Herrero-Corral, Sebastiano Tusa, Emiliano Carnieri, Luigi Lentini, Antonella Valenti, Alessandro Zanini, Clive Waddington, Germán Delibes, Elisa Guerra-Doce, Benjamin Neil, Marcus Brittain, Mike Luke, Richard Mortimer, Jocelyne Desideri, Marie Besse, Günter Brücken, Mirosław Furmanek, Agata Hałuszko, Maksym Mackiewicz, Artur Rapiński, Stephany Leach, Ignacio Soriano, Katina T Lillios, João Luís Cardoso, Michael Parker Pearson, Piotr Włodarczak, T Douglas Price, Pilar Prieto, Pierre-Jérôme Rey, Roberto Risch, Manuel A Rojo Guerra, Aurore Schmitt, Joël Serralongue, Ana Maria Silva, Václav Smrčka, Luc Vergnaud, João Zilhão, David Caramelli, Thomas Higham, Mark G Thomas, Douglas J Kennett, Harry Fokkens, Volker Heyd, Alison Sheridan, Karl-Göran Sjögren, Philipp W Stockhammer, Johannes Krause, Ron Pinhasi, Wolfgang Haak, Ian Barnes, Carles Lalueza-Fox, David Reich
This corrects the article DOI: 10.1038/nature25738.
March 21, 2018: Nature
Haize Goikuria, Maria Del Mar Freijo, Reyes Vega Manrique, María Sastre, Elena Elizagaray, Ana Lorenzo, Koen Vandenbroeck, Iraide Alloza
Vascular smooth muscle cells (VSMCs) are central players in carotid atherosclerosis plaque development. Although the precise mechanisms involved in plaque destabilization are not completely understood, it is known that VSMC proliferation and migration participate in plaque stabilization. In this study, we analyzed expression patterns of genes involved in carotid atherosclerosis development (e.g., transcription factors of regulation of SMC genes) of VSMCs located inside or outside the plaque lesion that may give clues about changes in phenotypic plasticity during atherosclerosis...
March 18, 2018: Cells
Xiaolei Zhang, Michelle B Trevino, Miao Wang, Stephen J Gardell, Julio E Ayala, Xianlin Han, Daniel P Kelly, Bret H Goodpaster, Rick B Vega, Paul M Coen
The progression of age-related sarcopenia can be accelerated by impaired recovery of muscle mass following periods of disuse due to illness or immobilization. However, the mechanisms underlying poor recovery of aged muscle following disuse remain to be delineated. Recent evidence suggests that mitochondrial energetics play an important role in regulation of muscle mass. Here, we report that 22-24 month old mice with low muscle mass and low glucose clearance rate also display poor early recovery of muscle mass following 10 days of hind limb unloading...
March 19, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Nicole Battaglioli, Felix Ankel, Christopher I Doty, Arlene Chung, Michelle Lin
Introduction: Physician wellness has recently become a popular topic of conversation and publication within the house of medicine and specifically within emergency medicine (EM). Through a joint collaboration involving Academic Life in Emergency Medicine's (ALiEM) Wellness Think Tank, Essentials of Emergency Medicine (EEM), and the Emergency Medicine Residents' Association (EMRA), a one-day Resident Wellness Consensus Summit (RWCS) was organized. Methods: The RWCS was held on May 15, 2017, as a pre-day event prior to the 2017 EEM conference in Las Vegas, Nevada...
March 2018: Western Journal of Emergency Medicine
Arlene S Chung, Jon Smart, Michael Zdradzinski, Sarah Roth, Alecia Gende, Kylie Conroy, Nicole Battaglioli
Introduction: Burnout, depression, and suicidality among residents of all specialties have become a critical focus of attention for the medical education community. Methods: As part of the 2017 Resident Wellness Consensus Summit in Las Vegas, Nevada, resident participants from 31 programs collaborated in the Educator Toolkit workgroup. Over a seven-month period leading up to the summit, this workgroup convened virtually in the Wellness Think Tank, an online resident community, to perform a literature review and draft curricular plans on three core wellness topics...
March 2018: Western Journal of Emergency Medicine
M C Pensel, M Daamen, L Scheef, H U Knigge, S Rojas Vega, J A Martin, H H Schild, H K Strüder, H Boecker
Cardiovascular training has been associated with neuroimaging correlates of executive control functions (ECF) in seniors and children/adolescents, while complementary studies in middle-aged populations are lacking. Ascribing a prominent role to cardiorespiratory fitness improvements, most studies concentrated on training-induced gains in maximal oxygen uptake (VO2 max), although other fitness indices may provide complementary information. Here, we investigated the impact of long-term sub-maximal exercise training on interference control, considering individual training-induced shifts in blood lactate profile curves (BLC) and VO2 max...
March 20, 2018: Scientific Reports
Alex Echeverría-Vega, Guillermo Chong, Antonio E Serrano, Mariela Guajardo, Olga Encalada, Victor Parro, Yolanda Blanco, Luis Rivas, Kevin C Rose, Mercedes Moreno-Paz, José A Luque, Nathalie A Cabrol, Cecilia S Demergasso
Laguna Negra and Lo Encañado are two oligotrophic Andean lakes forming part of the system fed by meltwater from distinct glacial tongues of the Echaurren glacier in central Chile, which is in a recession period. The recent increase in temperature and decline in precipitation have led to an increase of glacial meltwater and sediments entering these lakes. Although the lacustrine systems are also hydrogeologically connected, the limnology of the lakes is strongly controlled by the surface processes related to the respective sub-watersheds and hydrology...
2018: Frontiers in Microbiology
C Vega-Retter, N Rojas-Hernandez, I Vila, R Espejo, D E Loyola, S Copaja, M Briones, A W Nolte, D Véliz
How organisms adapt to unfavorable environmental conditions by means of plasticity or selection of favorable genetic variants is a central issue in evolutionary biology. In the Maipo River basin, the fish Basilichthys microlepidotus inhabits polluted and non-polluted areas. Previous studies have suggested that directional selection drives genomic divergence between these areas in 4% of Amplified Fragment Length Polymorphism (AFLP) loci, but the underlying genes and functions remain unknown. We hypothesized that B...
March 19, 2018: Scientific Reports
Lina Patricia Vega-Garzon, Ingry Natalia Gomez-Miranda, Gustavo A Peñuela
Response Surface Methodology was used for optimizing operating variables for a multi-frequency ultrasound reactor using BP-3 as a model compound. The response variable was the Triclosan degradation percent after 10 sonication min. Frequency at levels from 574, 856 and 1134 kHz were used. Power density, pulse time (PT), silent time (ST) and PT/ST ratio effects were also analyzed. 22 and 23 experimental designs were used for screening purposes and a central composite design was used for optimization. An optimum value of 79...
May 2018: Ultrasonics Sonochemistry
M Iglesias, M Ramírez-Berumen, P Butrón, J Alberú-Gómez, F Salazar-Hernández, J Macias-Gallardo, R P Leal-Villalpando, J Zamudio-Bautista, V Acosta, L Jauregui, A Hernández-Campos, V Espinosa-Cruz, J Vázquez-Lamadrid, J González-Sánchez, J Cuellar-Rodriguez, J G Sierra-Madero, R Gaytan-Cervantes, S Contreras-Barbosa, A Navarro-Lara, J Guzman-Gonzalez, J Domínguez-Cherit, M Vilatoba, S Toussaint-Caire, F Vega-Boada, F J Gómez-Pérez, M Mayorquin-Ruiz
BACKGROUND: The function reported after arm transplantation is deemed beneficial relative to the marked disability that upper arm amputation causes. OBJECTIVE: We report a 51-year-old man with a Disabilities of the Arm, Shoulder and Hand (DASH) score of 75.83 who underwent bilateral arm transplantation in October 2015. PROCEDURE: The right arm was transplanted at the glenohumeral joint level, including transplantation of the humeral head, joint capsule, and rotator cuff ligaments and tendons...
March 16, 2018: Transplantation Proceedings
Marcela Vega, Robert Nerenberg, Ignacio T Vargas
This paper reviews the unique situation of perchlorate contamination in Chile, including its sources, presence in environmental media and in the human population, and possible steps to mitigate its health impacts. Perchlorate is a ubiquitous water contaminant that inhibits thyroid function. Standards for drinking water range from 2 to 18 µg L-1 in United States and Europe. A major natural source of perchlorate contamination is Chile saltpeter, found in the Atacama Desert. High concentrations of perchlorate have presumably existed in this region, in soils, sediments, surface waters and groundwaters, for millions of years...
March 16, 2018: Environmental Research
Miki Dalmau-Pastor, Jordi Vega, Francesc Malagelada, Fernando Peña, Maria Cristina Manzanares-Céspedes
The growing popularity of minimally invasive surgical (MIS) procedures makes it necessary that new anatomical references arise, to aid in tridimensional orientation and localization of structures that are not directly visible to the surgeon. This is especially critical for structures at risk like nerves or blood vessels. Optimization of the handling of cadaveric material and the combination of multiple techniques compensate for the limited availability of adequate specimens. The described protocol combines anatomical plane-by-plane dissection and sectional anatomy of fresh-frozen specimens to help localize relevant structures, such as nerves, arteries, veins and to correctly position the portals during MIS procedures...
February 17, 2018: Journal of Visualized Experiments: JoVE
Krishnendu Kundu, Akiva Feintuch, Shimon Vega
Recently it has been shown that experimental ELDOR spectra of amorphous glasses containing free radicals with inhomogeneously broadened EPR spectra can be analyzed using a set of coupled rate equations for the electron polarizations of frequency bins composing these spectra, named the eSD (electron spectral diffusion) model. The rate matrix defining these equations has elements depending on the microwave, the spin lattice relaxation rates and on eSD rate constants responsible for polarization exchange. In this study, we show that in addition to the static dipolar flip-flop terms in the Hamiltonian a zero-quantum electron cross-relaxation mechanism can be responsible for the polarization exchange process in our samples...
March 19, 2018: Journal of Physical Chemistry Letters
Greg A Mutch, Sarah Shulda, Alan J McCue, Martin J Menart, Cristian V Ciobanu, Chilan Ngo, James A Anderson, Ryan M Richards, David Vega-Maza
Solid metal oxides for carbon capture exhibit reduced adsorption capacity following high temperature exposure, due to surface area reduction by sintering. Furthermore, only low coordinate corner/edge sites on the thermodynamically sta-ble (100) facet display favourable binding towards CO2 , providing inherently low capacity. The (111) facet however, exhibits a high concentration of low coordinate sites. In this work, MgO(111) nanosheets displayed high capacity for CO2 , as well as a ≈ 65% increase in capacity despite a ≈ 30% reduction in surface area following sintering (0...
March 19, 2018: Journal of the American Chemical Society
Antonella C Falconaro, Rocío M Vega, Gustavo P Viozzi
Most of the studies on chiropteran endoparasites in Argentina come from the Central and Northeast regions of the country, and there is only one parasitological study of bats from the Argentinean Patagonia. The aim of this study is to describe the helminth fauna of 42 Myotis chiloensis, comparing the composition and the structure of the endoparasite communities between two populations, inhabiting different environments in Andean humid forest and the ecotone between forest and Patagonian steppe. A total of 697 helminths were recovered from 33 bats: five species of trematodes, Ochoterenatrema sp...
April 2018: International Journal for Parasitology. Parasites and Wildlife
Sandra C Vega, Diana A Martínez, María Del S Chalá, Hernán A Vargas, Jaiver E Rosas
Multidrug resistance of pathogenic bacteria has become a public health crisis that requires the urgent design of new antibacterial drugs such as antimicrobial peptides (AMPs). Seeking to obtain new, lactoferricin B (LfcinB)-based synthetic peptides as viable early-stage candidates for future development as AMPs against clinically relevant bacteria, we designed, synthesized and screened three new cationic peptides derived from bovine LfcinB. These peptides contain at least one RRWQWR motif and differ by the copy number (monomeric, dimeric or tetrameric) and structure (linear or branched) of this motif...
2018: Frontiers in Microbiology
Désirée E S Larenas Linnemann, Margarita Fernández Vega, Jorge Agustín Luna Pech, Jimena Villaverde Rosas, José Antonio Ortega Martell, Blanca Estela Del Río Navarro, María Del Carmen Cano Salas, Jade Romero Lombard, Erika Del Carmen López Estrada, Monica Rodriguez-González, José Luis Mayorga Butrón, Jorge Salas Hernández, Juan Carlos Vázquez García, Ignacio Ortiz Aldana, Mario Humberto Vargas Becerra, Martín Bedolla Barajas, Noel Rodríguez Pérez, Ambrocio Aguilar Aranda, Carlos Adrián Jiménez González, Carlos García Bolaños, Claudia Garrido Galindo, David Alejandro Mendoza Hernández, Enrique Mendoza López, Gerardo López Pérez, Guillermo Hideo Wakida Kuzonoki, Héctor Hernán Ruiz Gutiérrez, Héctor León Molina, Héctor Martínez de la Lanza, Héctor Stone Aguilar, Javier Gómez Vera, Jorge Olvera Salinas, José Joel Oyoqui Flores, José Luis Gálvez Romero, José Santos Lozano Saenz, Juan Ignacio Salgado Gama, Marcos Alejandro Jiménez Chobillon, Martha Angélica García Avilés, Martha Patricia Guinto Balanzar, Miguel Alejandro Medina Ávalos, Robert Camargo Angeles, Rogelio García Torrentera, Saraí Toral Freyre, Gabriel Montes Narvaez, Héctor Solorio Gómez, Juan Rosas Peña, Sergio Jesús Romero Tapia, Adela Reyes Herrera, Francisco Cuevas Schacht, Joaquín Esquer Flores, José Antonio Sacre Hazouri, Lorenzo Compean Martínez, Pablo Julián Medina Sánchez, Sergio Garza Salinas, Carlos Baez Loyola, Iraís Romero Alvarado, José Luis Miguel Reyes, Laura Elizabeth Huerta Espinosa, Manuel Ángel Correa Flores, Ricardo Castro Martínez
No abstract text is available yet for this article.
March 15, 2018: Annals of Allergy, Asthma & Immunology
Blanca Regina de la Paz Cota, Pedro Pablo Cepero Vega, Juan José Matus Navarrete, Gerardo Efrain Aguado Mulgado, José Juan Narváez Huerta, Enrique Lamadrid Bautista, Epifanio Fiscal Chauteco
PURPOSE: To demonstrate non-inferiority of eberconazole 1% otic solution to clotrimazole 1% solution, and to compare their safety profiles in the treatment of otomycosis. MATERIALS AND METHODS: Multicenter, randomized, double-blind, active treatment-controlled phase 3 clinical trial. One hundred and ninety patients with diagnosis of otomycosis were randomly assigned to eberconazole 1% otic solution or clotrimazole 1% solution. RESULTS: Baseline characteristics were comparable between both groups for age, gender, ethnicity, and clinical variables...
March 6, 2018: American Journal of Otolaryngology
Luis Velázquez-Pérez, Roberto Rodríguez-Labrada, Reidenis Torres-Vega, Ricardo Ortega-Sánchez, Jacqueline Medrano-Montero, Rigoberto González-Piña, Yaimeé Vázquez-Mojena, Georg Auburger, Ulf Ziemann
OBJECTIVE: Corticospinal tract (CST) dysfunction is common in the pre-ataxic stage of spinocerebellar ataxia type 2 (SCA2) but quantitative assessment of its progression over time has not been explored. The aim of this study was to quantify the progression of CST dysfunction in pre-ataxic SCA2 using transcranial magnetic stimulation (TMS). METHODS: Thirty-three pre-ataxic SCA2 mutation carriers and a 33 age- and gender-matched healthy controls were tested at baseline and 2-years follow-up by standardized clinical exams, validated clinical scales, and TMS...
March 15, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
Cristian Alfredo Segura-Cerda, Michel de Jesús Aceves-Sánchez, Brenda Marquina-Castillo, Dulce Mata-Espinoza, Jorge Barrios-Payán, Perla Jazmín Vega-Domínguez, César Pedroza-Roldán, Jorge Bravo-Madrigal, Alba Adriana Vallejo-Cardona, Rogelio Hernández-Pando, Mario Alberto Flores-Valdez
Pellicles, a type of biofilm, have gathered a renewed interest in the field of tuberculosis as a structure that mimics some characteristics occurring during M. tuberculosis infection, such as antibiotic recalcitrance and chronicity of infection, and as a source of antigens for humoral response in infected guinea pigs. In other bacteria, it has been well documented that the second messenger c-di-GMP modulates the transition from planktonic cells to biofilm formation. In this work, we used the live vaccine Mycobacterium bovis BCG to determine whether deletion of genes involved in c-di-GMP metabolism would affect interaction with macrophages, capacity to induce immune response in a murine cell line and mice, and how the protein profile was modified when grown as surface pellicles...
March 14, 2018: Vaccine
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