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Tania Aguado, Francisco J Gutiérrez, Esther Aix, Ralph P Schneider, Giovanna Giovinnazo, María A Blasco, Ignacio Flores
Induced pluripotent stem cells (iPSCs) can be differentiated in vitro and in vivo to all cardiovascular lineages and are therefore a promising cell source for cardiac regenerative therapy. However, iPSC lines do not all differentiate into cardiomyocytes with the same efficiency. Here, we show that telomerase-competent iPSCs with relatively long telomeres and high expression of the shelterin-complex protein TRF1 (iPSC(highT) ) differentiate sooner and more efficiently into cardiomyocytes than those with relatively short telomeres and low TRF1 expression (iPSC(lowT) )...
September 10, 2016: Stem Cells
María Hernández-Pérez, Josep Puig, Gerard Blasco, Natalia Pérez de la Ossa, Laura Dorado, Antoni Dávalos, Josep Munuera
BACKGROUND AND PURPOSE: Contrary to usual static vascular imaging techniques, contrast-enhanced dynamic magnetic resonance angiography (dMRA) enables dynamic study of cerebral vessels. We evaluated dMRA ability to assess arterial occlusion, cerebral hemodynamics, and collateral circulation in acute ischemic stroke. METHODS: Twenty-five acute ischemic stroke patients with proximal anterior circulation occlusion underwent dMRA on a 3T scanner within 12 hours of symptoms onset...
February 2016: Stroke; a Journal of Cerebral Circulation
Luis Miravet Sorribes, Alberto Arnedo Pena, Juan B Bellido Blasco, María Angeles Romeu García, María Gil Fortuño, Patricia García Sidro, Pascual Cortés Miró
OBJECTIVES: To describe an outbreak of multidrug-resistant tuberculosis (MDR-TB) in two schools METHODS: This was a prospective, observational study of an outbreak of MDR-TB in 2 schools located in the towns of Onda and Nules, in the Spanish province of Castellon, from the moment of detection in November 2008 until November 2014, including patient follow-up and contact tracing. RESULTS: Five cases of MDR-TB were diagnosed. Overall attack rate was 0...
February 2016: Archivos de Bronconeumología
Maria P Diago, Javier Tardaguila, Nuria Aleixos, Borja Millan, Jose M Prats-Montalban, Sergio Cubero, Jose Blasco
BACKGROUND: Berry weight, berry number and cluster weight are key parameters for yield estimation for wine and tablegrape industry. Current yield prediction methods are destructive, labour-demanding and time-consuming. In this work, a new methodology, based on image analysis was developed to determine cluster yield components in a fast and inexpensive way. RESULTS: Clusters of seven different red varieties of grapevine (Vitis vinifera L.) were photographed under laboratory conditions and their cluster yield components manually determined after image acquisition...
April 2015: Journal of the Science of Food and Agriculture
Maria P Diago, Andres Sanz-Garcia, Borja Millan, Jose Blasco, Javier Tardaguila
BACKGROUND: Flowers, flowering and fruit set are key determinants of grapevine yield. Currently, practical methods to assess the flower number per inflorescence, necessary for fruit set estimation, are time and labour demanding. This work aims at developing a simple, cheap, fast, accurate and robust machine vision methodology to be applied to RGB images taken under field conditions, to estimate the number of flowers per inflorescence automatically. RESULTS: Ninety images of individual inflorescences of Vitis vinifera L...
August 2014: Journal of the Science of Food and Agriculture
Paula Martínez, Gonzalo Gómez-López, Fernando García, Evi Mercken, Sarah Mitchell, Juana M Flores, Rafael de Cabo, Maria A Blasco
RAP1 is part of shelterin, the protective complex at telomeres. RAP1 also binds along chromosome arms, where it is proposed to regulate gene expression. To investigate the nontelomeric roles of RAP1 in vivo, we generated a RAP1 whole-body knockout mouse. These mice show early onset of obesity, which is more severe in females than in males. Rap1-deficient mice show accumulation of abdominal fat, hepatic steatosis, and high-fasting plasma levels of insulin, glucose, cholesterol, and alanine aminotransferase...
June 27, 2013: Cell Reports
Alberto Arnedo-Pena, José Vicente Juan-Cerdán, Angeles Romeu-Garcia, Daniel Garcia-Ferrer, Rita Holguín-Gómez, Jesús Iborra-Millet, Concepción Herrero-Carot, María Jesús Sanchis Piñana, Juan Bellido-Blasco, José Antonio Ferrero-Vega, Lourdes Safont Adsuara, Esther Silvestre Silvestre, Noemi Meseguer Ferrer, Vicenta Rodrigo Bartual
BACKGROUND: Deficient serum vitamin D levels have been associated with incidence of tuberculosis (TB), and latent tuberculosis infection (LTBI). However, to our knowledge, no studies on vitamin D status and tuberculin skin test (TST) conversion have been published to date. The aim of this study was to estimate the associations of serum 25-hydroxyvitamin D3 (25[OH]D) status with LTBI prevalence and TST conversion in contacts of active TB in Castellon (Spain). METHODS: The study was designed in two phases: cross-sectional and case-control...
2011: BMC Infectious Diseases
Eduard Vieta, Elena Blasco-Colmenares, Maria Luisa Figueira, Jens M Langosch, Miriam Moreno-Manzanaro, Esteban Medina
BACKGROUND: Studies in bipolar disorder (BD) to date are limited in their ability to provide a whole-disease perspective--their scope has generally been confined to a single disease phase and/or a specific treatment. Moreover, most clinical trials have focused on the manic phase of disease, and not on depression, which is associated with the greatest disease burden. There are few longitudinal studies covering both types of patients with BD (I and II) and the whole course of the disease, regardless of patients' symptomatology...
2011: BMC Psychiatry
Elisa Gil Montalbán, Belén Zorrilla Torras, Honorato Ortiz Marrón, Mercedes Martínez Cortés, Encarnación Donoso Navarro, Pedro Nogales Aguado, Hermenegildo de la Calle Blasco, María José Medrano Albero, Ignacio Cuadrado Gamarra
OBJECTIVE: To describe the prevalence of diabetes and major cardiovascular risk factors in the adult population of the autonomous region of Madrid (Spain). MATERIAL AND METHOD: A population-based cross-sectional study was carried out in 2007. A random sample of the population aged 30-74 years old was selected. A fixed sample size per age stratum was assigned, weighted by the real age-specific distribution of the population of the autonomous region of Madrid. An epidemiological survey was conducted by telephone...
May 2010: Gaceta Sanitaria
Blanca Puchau, María A Zulet, Goizane Urtiaga, Iñigo Navarro-Blasco, J Alfredo Martínez
The purpose of this study was to evaluate the potential associations between serum asymmetric dimethylarginine (ADMA) and several anthropometric, biochemical, and lifestyle features in healthy young adults, emphasizing on the putative effects of the antioxidant intake on ADMA concentrations. Anthropometric and blood pressure measurements as well as lifestyle features and antioxidant intake were analyzed in 93 healthy young adults aged 18 to 34 years. Fasting blood samples were collected for the measurement of glucose, total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triacylglycerols, and ADMA concentrations, as well as erythrocyte glutathione peroxidase activity...
October 2009: Metabolism: Clinical and Experimental
Blanca Puchau, María Angeles Zulet, Helen Hermana Miranda Hermsdorff, Iñigo Navarro-Blasco, J Alfredo Martínez
Antioxidant intake may be linked to a reduction of the chronic low-grade inflammatory state related to obesity and several accompanying disorders such as insulin resistance, cardiovascular diseases, and metabolic syndrome. So, the aim of this study was to evaluate the potential associations between nail trace elements and several indicators in healthy young adults, emphasizing on the putative effect of antioxidant trace element intake on inflammation-related marker concentrations. This study enrolled 149 healthy young adults, whose anthropometrical and blood pressure values as well as lifestyle features were analyzed...
March 2010: Biological Trace Element Research
Johanna Tollbäck, María Blasco Bigatá, Carlo Crescenzi, Johan Ström
We have evaluated the feasibility of using Empore solid-phase extraction (SPE) membranes as an alternative to conventional techniques for sampling fine airborne particulate matter (PM), including nanoparticles, utilizing a scanning mobility particle sizer (SMPS) and a condensation particle counter to evaluate their efficiency for trapping fine particles in the 10-800 nm size range. The results demonstrate that the membranes can efficiently trap these particles and can then be conveniently packed into an extraction cell and extracted under matrix solid-phase dispersion (MSPD) conditions...
May 1, 2008: Analytical Chemistry
Antonio Javier Blasco, Agustín González Crevillén, Pedro de la Fuente, María Cristina González, Alberto Escarpa
A novel strategy integrating methodological calibration and analysis on board on a planar first-generation microfluidics system for the determination of total isoflavones in soy samples is proposed. The analytical strategy is conceptually proposed and successfully demonstrated on the basis of (i) the microchip design (with the possibility to use both reservoirs), (ii) the analytical characteristics of the developed method (statically zero intercept and excellent robustness between calibration slopes, RSDs < 5%), (iii) the irreversible electrochemical behaviour of isoflavone oxidation (no significant electrode fouling effect was observed between calibration and analysis runs) and (iv) the inherent versatility of the electrochemical end-channel configurations (possibility of use different pumping and detection media)...
April 2007: Analyst
Alberto Escarpa, María Cristina González, Agustín González Crevillén, Antonio Javier Blasco
CE microchips are the first generation of micrototal analysis systems (-TAS) emerging in the miniaturization scene of food analysis. CE microchips for food analysis are fabricated in both glass and polymer materials, such as PDMS and poly(methyl methacrylate) (PMMA), and use simple layouts of simple and double T crosses. Nowadays, the detection route preferred is electrochemical in both, amperometry and conductivity modes, using end-channel and contactless configurations, respectively. Food applications using CE microchips are now emerging since food samples present complex matrices, the selectivity being a very important challenge because the total integration of analytical steps into microchip format is very difficult...
March 2007: Electrophoresis
Agustín González Crevillén, Antonio Javier Blasco, María Cristina González, Alberto Escarpa
A novel analytical route to determine water-soluble vitamins (B group and C) using single channel microchip-electrochemistry platforms is presented. The electrochemical detection protocol was carefully optimized, and it was shown that it was crucial to use 1 M nitric acid in the detector compartment to detect folic acid. A phosphate buffer (pH 6, 10 mM) and a separation voltage of 2 kV gave the complete separation of vitamins in less than 130 s, with good reproducibility (RSDs less than 10%) and accuracy (error less than 9%)...
December 2006: Electrophoresis
Ricardo Ruiz-Villaverde, Anna Vilanova, José Blasco-Melguizo, María José Viciana-Martínez
No abstract text is available yet for this article.
October 2005: Actas Dermo-sifiliográficas
Antonio Javier Blasco, Inés Barrigas, María Cristina González, Alberto Escarpa
This paper examines for the first time the analytical possibilities of fast and simultaneous detection of prominent natural antioxidants including examples of flavonoids and vitamins using a CE microchip with electrochemical detection (ED). Unpinched injection conditions, zone electrophoretic separation and amperometric detection were carefully assayed and optimised. Analysis involved the zone electrophoretic separation of arbutin, (+)-catechin and ascorbic acid in less than 4 min using a borate buffer (pH 9...
December 2005: Electrophoresis
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