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https://www.readbyqxmd.com/read/29353304/unraveling-the-heterogeneity-of-igm-monoclonal-gammopathies-a-gene-mutational-and-gene-expression-study
#1
Cristina Jiménez, María Isabel Prieto-Conde, María García-Álvarez, Miguel Alcoceba, Fernando Escalante, María Del Carmen Chillón, Alfonso García de Coca, Ana Balanzategui, Alberto Cantalapiedra, Carlos Aguilar, Rocío Corral, Tomás González-López, Luis A Marín, Abelardo Bárez, Noemí Puig, Aránzazu García-Mateo, Norma C Gutiérrez, María Eugenia Sarasquete, Marcos González, Ramón García-Sanz
Immunoglobulin M (IgM) monoclonal gammopathies show considerable variability, involving three different stages of presentation: IgM monoclonal gammopathy of undetermined significance (IgM-MGUS), asymptomatic Waldenström's macroglobulinemia (AWM), and symptomatic WM (SWM). Despite recent findings about the genomic and transcriptomic characteristics of such disorders, we know little about the causes of this clinical heterogeneity or the mechanisms involved in the progression from indolent to symptomatic forms...
January 20, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29352340/angiotensin-1-7-induced-mas-receptor-activation-attenuates-atherosclerosis-through-a-nitric-oxide-dependent-mechanism-in-apolipoproteine-ko-mice
#2
Guang Yang, Geoffrey Istas, Sascha Höges, Mina Yakoub, Ulrike Hendgen-Cotta, Tienush Rassaf, Ana Rodriguez-Mateos, Lydia Hering, Maria Grandoch, Evanthia Mergia, Lars Christian Rump, Johannes Stegbauer
Angiotensin (Ang)-(1-7) ameliorates vascular injury by increasing nitric oxide (NO) bioavailability. Evidence that Ang-(1-7) attenuates the development of atherosclerosis through a NO-dependent mechanism is still missing. Moreover, it has been postulated that Ang-(1-7) may mediate its effects by other mechanisms than Mas receptor activation. To investigate Ang-(1-7)-dependent Mas receptor function, we treated apoE-KO and apoE/Mas-KO mice chronically with Ang-(1-7) (82 μg/kg per hour) or saline for 6 weeks...
January 20, 2018: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/29351629/housing-conditions-and-risk-of-physical-function-limitations-a-prospective-study-of-community-dwelling-older-adults
#3
Bibiana Pérez-Hernández, Esther Lopez-García, Auxiliadora Graciani, José Luis Ayuso-Mateos, Fernando Rodríguez-Artalejo, Esther García-Esquinas
Background: Poor housing conditions have been associated with an increased risk of morbidity and mortality in old age. Methods: Prospective cohort of 1602 older adults followed from 2012 to 2015. Poor conditions were defined as living in a walk-up building, lacking piped hot water or heating, feeling frequently cold at home, lacking a bathtub/shower, a refrigerator, a washing machine, an own room or a landline. Frailty was assessed with the Fried criteria, lower extremities performance with the Short Physical Performance Battery (SPPB), and disability in instrumental activities of daily living (IADL) with the Lawton and Brody questionnaire...
January 17, 2018: Journal of Public Health
https://www.readbyqxmd.com/read/29350476/investigating-the-mechanisms-underlying-phytoprotection-by-plant-growth-promoting-rhizobacteria-in-spartina-densiflora-under-metal-stress
#4
K Paredes-Páliz, R Rodríguez-Vázquez, B Duarte, M A Caviedes, E Mateos-Naranjo, S Redondo-Gómez, Isabel Caçador, Ignacio D Rodríguez-Llorente, E Pajuelo
Pollution of coasts by toxic metals and metalloids is a worldwide problem for which phytoremediation using halophytes and associated microbiomes is getting relevance. Metal(loid)s excess is a constraint for plant establishment and development, and plant growth promoting rhizobacteria (PGPR) mitigate plant stress under these conditions. However, mechanisms underlying this effect remain elusive. In this paper, the effect of toxic metal(loid)s on the activity of ROS-scavenging enzymes in roots of the halophyte Spartina densiflora grown on real polluted sediments in a green house experiment, was investigated...
January 19, 2018: Plant Biology
https://www.readbyqxmd.com/read/29350296/use-of-biotechnological-devices-in-the-quantification-of-psychophysiological-workload-of-professional-chess-players
#5
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/29347348/consciousness-as-a-global-property-of-brain-dynamic-activity
#6
D M Mateos, R Wennberg, R Guevara, J L Perez Velazquez
We seek general principles of the structure of the cellular collective activity associated with conscious awareness. Can we obtain evidence for features of the optimal brain organization that allows for adequate processing of stimuli and that may guide the emergence of cognition and consciousness? Analyzing brain recordings in conscious and unconscious states, we followed initially the classic approach in physics when it comes to understanding collective behaviours of systems composed of a myriad of units: the assessment of the number of possible configurations (microstates) that the system can adopt, for which we use a global entropic measure associated with the number of connected brain regions...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346790/multivisceral-resection-for-locally-invasive-colorectal-liver-metastases-outcomes-of-a-matched-cohort-analysis
#7
Fiona Hand, Rebeca Sanabria Mateos, Michael Durand, David Fennelly, Ray McDermott, Donal Maguire, Justin Geoghegan, Des Winter, Emir Hoti
Local invasion of adjacent viscera by colorectal liver metastases (CRLM) is no longer considered an absolute contraindication to curative hepatic resection. A growing number of observational analyses have illustrated the feasibility of such resections; however, the evidence base is at best heterogeneous with a lack of evidence comparing similar patient groups. We aimed to evaluate the outcomes of hepatectomy for CRLM when combined with other viscera and compare to a matched cohort of isolated hepatic resections...
January 18, 2018: Digestive 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
#8
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/29343526/mutations-in-cyb561-causing-a-novel-orthostatic-hypotension-syndrome
#9
Maarten P van den Berg, Rowida Almomani, Italo Biaggioni, Martijn van Faassen, Pim van der Harst, Herman H Silljé, Irene Mateo Leach, Marc Hemmelder, Gerjan Navis, Gert-Jan Luijckx, Arjan P de Brouwer, Hanka Venselaar, Marcel M Verbeek, Paul A van der Zwaag, Jan D Jongbloed, J P van Tintelen, Ron A Wevers, Ido P Kema
Rationale: Orthostatic hypotension is a common clinical problem, but the underlying mechanisms have not been fully delineated. Objective: We describe two families, with four patients in total, suffering from severe life-threatening orthostatic hypotension due to a novel cause. Methods and Results: As in dopamine β-hydroxylase deficiency (DβH), concentrations of norepinephrine and epinephrine in the patients were very low. Plasma DβH activity, however, was normal and the DBH gene had no mutations. Molecular genetic analysis was performed to determine the underlying genetic cause...
January 17, 2018: Circulation Research
https://www.readbyqxmd.com/read/29338637/selected-plant-essential-oils-and-their-main-active-components-a-promising-approach-to-inhibit-aflatoxigenic-fungi-and-aflatoxin-production-in-food
#10
José Vicente Gómez, Andrea Tarazona, Rufino Mateo-Castro, José Vicente Gimeno-Adelantado, Misericordia Jiménez, Eva M Mateo
Recent research has showed that Aspergillus flavus and Aspergillus parasiticus are aflatoxigenic species that can become very competitive in the framework of climate change. Aflatoxins show carcinogenic, mutagenic, immunotoxic and teratogenic effects on human and animals. Effective and sustainable measures to inhibit these species and aflatoxins in food are required. Origanum vulgare and Cinnamomum zeylanicum essential oils (EOs) and their major active constituents, carvacrol and cinnamaldehyde, respectively, were assayed for inhibiting these species and aflatoxin production in maize extract medium under different environmental conditions...
January 17, 2018: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/29336994/agreement-between-the-results-of-meta-analyses-from-case-reports-and-from-clinical-studies-regarding-the-efficacy-of-laronidase-therapy-in-patients-with-mucopolysaccharidosis-type-i-who-initiated-enzyme-replacement-therapy-in-adult-age-an-example-of-case-reports
#11
REVIEW
Miguel Sampayo-Cordero, Bernat Miguel-Huguet, Almudena Pardo-Mateos, Marc Moltó-Abad, Cecilia Muñoz-Delgado, Jordi Pérez-López
BACKGROUND: Case reports might have a prominent role in the rare diseases field, due to the small number of patients affected by one such disease. A previous systematic review regarding the efficacy of laronidase therapy in patients with mucopolysaccharidosis type I (MPS-I) who initiated enzyme replacement therapy (ERT) in adult age has been published. The review included a meta-analysis of 19 clinical studies and the description of eleven case reports. It was of interest to perform a meta-analysis of those case reports to explore the role of such meta-analyses as a tool for evidence-based medicine in rare diseases...
January 5, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29334954/association-between-non-cholesterol-sterol-concentrations-and-achilles-tendon-thickness-in-patients-with-genetic-familial-hypercholesterolemia
#12
Lucía Baila-Rueda, Itziar Lamiquiz-Moneo, Estíbaliz Jarauta, Rocío Mateo-Gallego, Sofía Perez-Calahorra, Victoria Marco-Benedí, Ana M Bea, Ana Cenarro, Fernando Civeira
BACKGROUND: Familial hypercholesterolemia (FH) is a genetic disorder that result in abnormally high low-density lipoprotein cholesterol levels, markedly increased risk of coronary heart disease (CHD) and tendon xanthomas (TX). However, the clinical expression is highly variable. TX are present in other metabolic diseases that associate increased sterol concentration. If non-cholesterol sterols are involved in the development of TX in FH has not been analyzed. METHODS: Clinical and biochemical characteristics, non-cholesterol sterols concentrations and Aquilles tendon thickness were determined in subjects with genetic FH with (n = 63) and without (n = 40) TX...
January 15, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29334949/flaxseed-enriched-diets-change-milk-concentration-of-the-antimicrobial-danofloxacin-in-sheep
#13
Jon Andoni Otero, Dafne García-Mateos, Indira Alvarez-Fernández, Rocío García-Villalba, Juan Carlos Espín, Ana Isabel Álvarez, Gracia Merino
BACKGROUND: Flaxseed is the most common and rich dietary source of lignans and is an acceptable supply of energy for livestock. Flaxseed lignans are precursors of enterolignans, mainly enterolactone and enterodiol, produced by the rumen and intestinal microbiota of mammals and have many important biological properties as phytoestrogens. Potential food-drug interactions involving flaxseed may be relevant for veterinary therapy, and for the quality and safety of milk and dairy products...
January 15, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29334470/heterologous-expression-of-rhizobial-celc2-cellulase-impairs-symbiotic-signaling-and-nodulation-in-medicago-truncatula
#14
Marta Robledo, Esther Menéndez, Jose Ignacio Jimenez-Zurdo, Raúl Rivas, Encarna Velazquez, Eustoquio Martinez-Molina, Giles Oldroyd, Pedro F Mateos
The infection of legume plants by rhizobia is tightly regulated to ensure accurate bacterial penetration, infection and development of functionally efficient nitrogen-fixing root nodules. Rhizobial Nod Factors (NF) have key roles in the elicitation of nodulation signalling. Infection of white clover roots also involves the tightly regulated specific breakdown of the non-crystalline apex of cell walls in growing root hairs, which is mediated by Rhizobium leguminosarum bv. trifolii cellulase CelC2. Here, we have analyzed the impact of this endoglucanase on symbiotic signalling in the model legume Medicago truncatula...
January 15, 2018: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/29333092/role-of-apobec3h-in-the-viral-control-of-hiv-elite-controller-patients
#15
José M Benito, Julia Hillung, Clara Restrepo, José M Cuevas, Agathe León, Ezequiel Ruiz-Mateos, Rosario Palacios-Muñoz, Miguel Górgolas, Rafael Sanjuán, Norma Rallón
Background APOBEC3H (A3H) gene presents variation at 2 positions (rs139297 and rs79323350) leading to a non-functional protein. So far, there is no information on the role played by A3H in spontaneous control of HIV. The aim of this study was to evaluate the A3H polymorphisms distribution in a well-characterized group of Elite Controller (EC) subjects. Methods We analyzed the genotype distribution of two different SNPs (rs139297 and rs79323350) of A3H in 30 EC patients and compared with 11 non-controller (NC) HIV patients...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29331726/impact-of-the-start-up-process-on-the-microbial-communities-in-biocathodes-for-electrosynthesis
#16
Raúl Mateos, Ana Sotres, Raúl M Alonso, Adrián Escapa, Antonio Morán
This study seeks to understand how the bacterial communities that develop on biocathodes are influenced by inocula diversity and electrode potential during start-up. Two different inocula are used: one from a highly diverse environment (river mud) and the other from a low diverse milieu (anaerobic digestion). In addition, both inocula were subjected to two different polarising voltages: oxidative (+0.2 V vs. Ag/AgCl) and reductive (-0.8 V vs. Ag/AgCl). Bacterial communities were analysed by means of high throughput sequencing...
January 7, 2018: Bioelectrochemistry
https://www.readbyqxmd.com/read/29329923/different-protein-composition-of-low-calorie-diet-differently-impacts-adipokine-profile-irrespective-of-weight-loss-in-overweight-and-obese-women
#17
R Mateo-Gallego, I Lamiquiz-Moneo, S Perez-Calahorra, V Marco-Benedí, A M Bea, L Baila-Rueda, M Laclaustra, J L Peñalvo, F Civeira, A Cenarro
BACKGROUND AND AIMS: High-protein (HP) diets have shown benefits in cardiometabolic markers such as insulin or triglycerides but the responsible mechanisms are not known. We aimed to assess the effect of three energy-restricted diets with different protein contents (20%, 27%, and 35%; ∼80% coming from animal source) on plasma adipokine concentration and its association with changes in cardiometabolic markers. METHODS: Seventy-six women (BMI 32.8 ± 2.93) were randomized to one of three calorie-reduced diets, with protein, 20%, 27%, or 35%; carbohydrates, 50%, 43%, or 35%; and fat, 30%, for 3 months...
November 4, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29329793/drug-use-family-support-and-related-factors-in-university-students-a-cross-sectional-study-based-on-the-unihcos-project-data
#18
Jorge Arias-De la Torre, Tania Fernández-Villa, Antonio José Molina, Carmen Amezcua-Prieto, Ramona Mateos, José María Cancela, Miguel Delgado-Rodríguez, Rocío Ortíz-Moncada, Juan Alguacil, Ana Almaraz, Inés Gómez-Acebo, María Morales Suárez-Varela, Gemma Blázquez-Abellán, Eladio Jiménez-Mejías, Luis Félix Valero, Carlos Ayán, Laura Vilorio-Marqués, Rocío Olmedo-Requena, Vicente Martín
OBJECTIVE: To assess the prevalence of illegal drug use in college students on any previous occasion, during the previous year and the previous month, and to analyze the relationship between illegal drug use and family support and other factors. METHODS: A cross-sectional study using data from students participating in the uniHcos project (n = 3767) was conducted. The prevalence and age of onset of consumption of cannabis, non-prescription sedatives, stimulants and depressants was evaluated...
January 9, 2018: Gaceta Sanitaria
https://www.readbyqxmd.com/read/29328242/efficient-diode-pumped-er-klu-wo4-2-laser-at-%C3%A2-1-61%C3%A2-%C3%A2-%C3%AE-m
#19
Josep Maria Serres, Pavel Loiko, Venkatesan Jambunathan, Xavier Mateos, Vladimir Vitkin, Antonio Lucianetti, Tomas Mocek, Magdalena Aguiló, Francesc Díaz, Uwe Griebner, Valentin Petrov
We report on an efficient diode-pumped continuous-wave erbium-doped monoclinic double tungstate laser. It is based on a 1 at. % Er3+:KLu(WO4)2 (Er:KLuW) crystal cut along the Ng optical indicatrix axis. The Er:KLuW microchip laser, diode pumped at 0.98 μm, generates 268 mW at 1.610 μm with a slope efficiency of 30%. The output is linearly polarized (E||Nm), and the laser beam is nearly diffraction limited (Mp,m2<1.1). Spectroscopic properties of Er3+ in KLuW are also presented. The stimulated-emission cross-section σSE is 0...
January 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29327407/bioavailability-and-metabolism-of-rosemary-infusion-polyphenols-using-caco-2-and-hepg2-cell-model-systems
#20
Mariem Achour, Saad Saguem, Beatriz Sarriá, Laura Bravo, Raquel Mateos
BACKGROUND: Rosmarinus officinalis is an aromatic plant used in folk medicine due to the therapeutic properties associated to its phenolic composition, rich in rosmarinic acid (RA) and caffeic acid (CA). To better understand the bioactivity of these compounds, their absorption and metabolism were assessed in human Caco-2 and HepG2 cells, as small intestine and liver models, respectively, using RA and CA standards, as well as a rosemary infusion and ferulic acid (FA). RESULTS: Test compounds were partially up-taken and metabolized by Caco-2 and HepG2 cells, although higher metabolization rate was observed after hepatic incubation than intestinal...
January 12, 2018: Journal of the Science of Food and Agriculture
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