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https://www.readbyqxmd.com/read/28339660/eculizumab-in-secondary-atypical-haemolytic-uraemic-syndrome
#1
Teresa Cavero, Cristina Rabasco, Antía López, Elena Román, Ana Ávila, Ángel Sevillano, Ana Huerta, Jorge Rojas-Rivera, Carolina Fuentes, Miquel Blasco, Ana Jarque, Alba García, Santiago Mendizabal, Eva Gavela, Manuel Macía, Luis F Quintana, Ana María Romera, Josefa Borrego, Emi Arjona, Mario Espinosa, José Portolés, Carolina Gracia-Iguacel, Emilio González-Parra, Pedro Aljama, Enrique Morales, Mercedes Cao, Santiago Rodríguez de Córdoba, Manuel Praga
Background.: Complement dysregulation occurs in thrombotic microangiopathies (TMAs) other than primary atypical haemolytic uraemic syndrome (aHUS). A few of these patients have been reported previously to be successfully treated with eculizumab. Methods.: We identified 29 patients with so-called secondary aHUS who had received eculizumab at 11 Spanish nephrology centres. Primary outcome was TMA resolution, defined by a normalization of platelet count (>150 × 10 9 /L) and haemoglobin, disappearance of all the markers of microangiopathic haemolytic anaemia (MAHA), and improvement of renal function, with a ≥25% reduction of serum creatinine from the onset of eculizumab administration...
February 20, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339474/a-decrease-in-intact-parathyroid-hormone-ipth-levels-is-associated-with-higher-mortality-in-prevalent-hemodialysis-patients
#2
Ricardo Villa-Bellosta, Laura Rodriguez-Osorio, Sebastian Mas, Younes Abadi, Mercedes Rubert, Concepción de la Piedra, Carolina Gracia-Iguacel, Ignacio Mahillo, Alberto Ortiz, Jesús Egido, Emilio González-Parra
BACKGROUND: The mortality of dialysis patients is 10- to 100-fold higher than in the general population. Baseline serum PTH levels, and more recently, changes in serum PTH levels (ΔPTH) over time, have been associated to mortality in dialysis patients. METHODS: We explored the relationship between ΔPTH over 1 year with mortality over the next year in a prospective cohort of 115 prevalent hemodialysis patients from a single center that had median baseline iPTH levels within guideline recommendations...
2017: PloS One
https://www.readbyqxmd.com/read/28339356/diagnostic-accuracy-of-musculoskeletal-ultrasound-and-conventional-radiography-in-the-assessment-of-the-wrist-triangular-fibrocartilage-complex-in-patients-with-definite-diagnosis-of-calcium-pyrophosphate-dihydrate-deposition-disease
#3
Andrea Di Matteo, Emilio Filippucci, Fausto Salaffi, Marina Carotti, Davide Carboni, Eleonora Di Donato, Walter Grassi
OBJECTIVES: To compare the diagnostic accuracy of musculoskeletal ultrasound (MSUS) and x-ray in evaluating wrist triangular fibrocartilage complex (TFCC) in patients with calcium pyrophosphate dihydrate deposition disease (CPPD) and to investigate the agreement between the extent of the calcium pyrophosphate dihydrate (CPP) crystal deposits assessed by MSUS and the radiographic findings. METHODS: We enrolled 84 patients: 36 patients with "definite" CPPD and 48 controls...
March 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28335548/study-of-different-variants-of-mo-enzyme-crarc-and-the-interaction-with-its-partners-crcytb5-r-and-crcytb5-1
#4
Alejandro Chamizo-Ampudia, Aurora Galvan, Emilio Fernandez, Angel Llamas
The mARC (mitochondrial Amidoxime Reducing Component) proteins are recently discovered molybdenum (Mo) Cofactor containing enzymes. They are involved in the reduction of several N-hydroxylated compounds (NHC) and nitrite. Some NHC are prodrugs containing an amidoxime structure or mutagens such as 6-hydroxylaminopurine (HAP). We have studied this protein in the green alga Chlamydomonas reinhardtii (crARC). Interestingly, all the ARC proteins need the reducing power supplied by other proteins. It is known that crARC requires a cytochrome b₅ (crCytb5-1) and a cytochrome b₅ reductase (crCytb5-R) that form an electron transport chain from NADH to the substrates...
March 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335285/graphene-and-carbon-quantum-dot-based-materials-in-photovoltaic-devices-from-synthesis-to-applications
#5
REVIEW
Sofia Paulo, Emilio Palomares, Eugenia Martinez-Ferrero
Graphene and carbon quantum dots have extraordinary optical and electrical features because of their quantum confinement properties. This makes them attractive materials for applications in photovoltaic devices (PV). Their versatility has led to their being used as light harvesting materials or selective contacts, either for holes or electrons, in silicon quantum dot, polymer or dye-sensitized solar cells. In this review, we summarize the most common uses of both types of semiconducting materials and highlight the significant advances made in recent years due to the influence that synthetic materials have on final performance...
August 25, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333998/calibrating-coseismic-coastal-land-level-changes-during-the-2014-iquique-mw-8-2-earthquake-northern-chile-with-leveling-gps-and-intertidal-biota
#6
Eduardo Jaramillo, Daniel Melnick, Juan Carlos Baez, Henry Montecino, Nelson A Lagos, Emilio Acuña, Mario Manzano, Patricio A Camus
The April 1st 2014 Iquique earthquake (MW 8.1) occurred along the northern Chile margin where the Nazca plate is subducted below the South American continent. The last great megathrust earthquake here, in 1877 of Mw ~8.8 opened a seismic gap, which was only partly closed by the 2014 earthquake. Prior to the earthquake in 2013, and shortly after it we compared data from leveled benchmarks, deployed campaign GPS instruments, continuous GPS stations and estimated sea levels using the upper vertical level of rocky shore benthic organisms including algae, barnacles, and mussels...
2017: PloS One
https://www.readbyqxmd.com/read/28333392/the-biosynthesis-of-nitrous-oxide-in-the-green-alga-chlamydomonas-reinhardtii
#7
Maxence Plouviez, David Wheeler, Andy Shilton, Michael A Packer, Patricia A McLenachan, Emanuel Sanz-Luque, Francisco Ocaña-Calahorro, Emilio Fernández, Benoit Guieysse
Over the last decades, several studies have reported emissions of nitrous oxide (N2 O) from microalgae cultures and aquatic ecosystems characterized by a high level of algal activity (e.g. eutrophic lakes). As N2 O is a potent greenhouse gas (GHG) and an ozone depleting pollutant, these findings suggest that large scale microalgae cultivation (and possibly, natural eutrophic ecosystems) could have significant environmental impacts. Using the model unicellular microalga Chlamydomonas reinhardtii, this study was conducted to investigate the molecular basis of microalgal N2 O synthesis...
March 23, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28333266/effects-of-ritonavir-and-cobicistat-on-dolutegravir-exposure-when-the-booster-can-make-the-difference
#8
Cristina Gervasoni, Agostino Riva, Valeria Cozzi, Amedeo Capetti, Giuliano Rizzardini, Emilio Clementi, Dario Cattaneo
No abstract text is available yet for this article.
March 3, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28330741/intermediate-steroid-withdrawal-after-renal-transplantation-and-anti-hla-antibodies-hla-abs-development
#9
Elena Monfá, David San Segundo, Juan Carlos Ruiz San Millán, Judith Sanabria, Zoila Albines, Emilio Rodrigo, Iñigo Romón, Esther Asensio, Manuel Arias, Marcos López-Hoyos
INTRODUCTION: Steroid withdrawal in renal transplantation is desirable to avoid their adverse effects. However, by decreasing the immunosuppression, could lead to an increased risk for the development of HLA-Abs. OBJECTIVE: Evaluate the relationship between steroid withdrawal and development of HLA-Abs in renal transplantation. METHODS: We analyzed sera by Luminex from 182 kidney transplants performed from 1998 to 2011, before and two years after transplantation...
March 19, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28329389/radial-versus-femoral-access-in-patients-with-acute-coronary-syndromes-with-or-without-st-segment-elevation-a-pre-specified-analysis-from-the-randomized-minimizing-adverse-haemorrhagic-events-by-transradial-access-site-and-systemic-implementation-of-angiox
#10
Pascal Vranckx, Enrico Frigoli, Martina Rothenbühler, Francesco Tomassini, Stefano Garducci, Giuseppe Andò, Andrea Picchi, Paolo Sganzerla, Anita Paggi, Fabrizio Ugo, Arturo Ausiello, Gennaro Sardella, Nicoletta Franco, Marco Nazzaro, Nicoletta de Cesare, Paolo Tosi, Camillo Falcone, Carlo Vigna, Pietro Mazzarotto, Emilio Di Lorenzo, Claudio Moretti, Gianluca Campo, Carlo Penzo, Giampaolo Pasquetto, Dik Heg, Peter Jüni, Stephan Windecker, Marco Valgimigli
Aims: To assess whether radial compared with femoral access is associated with consistent outcomes in patients with ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation acute coronary syndrome (NSTE-ACS). Methods and results: In the Minimizing Adverse Haemorrhagic Events by TRansradial Access Site and Systemic Implementation of angioX (MATRIX) programme patients were randomized to radial or femoral access, stratified by STEMI (2001 radial, 2009 femoral) and NSTE-ACS (2196 radial, 2198 femoral)...
February 28, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28328586/percutaneous-isolated-hepatic-perfusion-hemodynamic-monitoring-and-goal-directed-anesthetic-management-a-case-report
#11
Oscar Martin-Delgado, Miguel Rodriguez, Andres Lopez, Miguel A Reina, Emilio De Vicente, Yolanda Quijano, Antonio Echenagusia, Juan A Martinez
The percutaneous isolated hepatic perfusion utilizes a venovenous bypass to administer high-dose chemotherapy exclusively in the liver, getting depurated through a hemofilter before returning to the systemic circulation. The hepatic perfusion is managed under general anesthesia and invasive monitoring as a result of very abrupt changes in venous return and vascular resistances because of the isolation of the hepatic territory and absorption of circulating catecholamines by the hemofilter. We report a case in which we describe the technique, physiologic implications, anesthetic, and goal-directed hemodynamic management for this procedure...
March 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28326486/genetic-characterization-of-porcine-circovirus-type-2-in-captive-wild-boars-in-southern-brazil
#12
José Paulo Hiroji Sato, Danielle Gava, Rejane Schaefer, Maurício Egídio Cantão, Janice Reis Ciacci-Zanella, David Emilio Santos Neves de Barcellos
Porcine circovirus type 2 (PCV2) has been identified in pig population in Brazil since 2000, but scarce studies involving wild boars with PCV2 infection are reported in the country. This study aimed to perform the genetic characterization of PCV2 detected in clinically healthy captive wild boars from farms located in Southern Brazil. Bronchial and mesenteric lymph nodes from 129 clinically healthy captive wild boars were tested by nested PCR for PCV2 detection. Six out of 38 positive samples (29.5%) were submitted to a quantitative real time PCR (qPCR) and genetic sequencing...
March 22, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28325694/simultaneous-miliary-and-genital-tuberculosis
#13
María Montes Ruiz-Cabello, Emilio Guirao Arrabal, Leonardo Mauro Aisa Denaroso
No abstract text is available yet for this article.
March 18, 2017: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/28323949/plasma-arginine-asymmetric-dimethylarginine-ratio-and-incidence-of-cardiovascular-events-a-case-cohort-study
#14
Edward Yu, Miguel Ruiz-Canela, Frank B Hu, Clary B Clish, Dolores Corella, Jordi Salas-Salvadó, Adela Hruby, Montserrat Fitó, Liming Liang, Estefania Toledo, Emilio Ros, Ramón Estruch, Enrique Gómez-Gracia, Jose Lapetra, Fernando Arós, Dora Romaguera, Lluís Serra-Majem, Marta Guasch-Ferré, Dong D Wang, Miguel A Martínez-González
CONTEXT: Arginine, its methylated metabolites and other metabolites related to the urea cycle have been independently associated with cardiovascular risk, but the potential causal meaning of these associations (positive for some metabolites and negative for others) remains elusive due to a lack of studies measuring metabolite changes over time. OBJECTIVE: To examine the association between baseline and 1-year concentrations of urea cycle metabolites and cardiovascular disease in a case-cohort setting...
March 2, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323073/dietary-electrolyte-balance-affects-growth-performance-amylase-activity-and-metabolic-response-in-the-meagre-argyrosomus-regius
#15
Leonardo J Magnoni, Emilio Salas-Leiton, Maria-João Peixoto, Luis Pereira, Francisca Silva-Brito, Filipa Fontinha, José F M Gonçalves, Jonathan M Wilson, Johan W Schrama, Rodrigo O A Ozório
Dietary ion content is known to alter the acid-base balance in freshwater fish. The current study investigated the metabolic impact of acid-base disturbances produced by differences in dietary electrolyte balance (DEB) in the meagre (Argyrosomus regius), an euryhaline species. Changes in fish performance, gastric chyme characteristics, pH and ion concentrations in the bloodstream, digestive enzyme activities and metabolic rates were analyzed in meagre fed ad libitum two experimental diets (DEB 200 or DEB 700mEq/kg) differing in the Na2CO3 content for 69days...
March 16, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28321791/arcobacter-spp-in-fecal-samples-from-brazilian-farmed-caimans-caiman-yacare-daudin-1802
#16
Maria Gabriela Xavier Oliveira, Leandro Nogueira Pressinotti, Giovane Spínola Carvalho, Mirela Caroline Vilela Oliveira, Luisa Zanolli Moreno, Carlos Emilio Cabrera Matajira, Alessandro Spínola Bergamo, Victor Manuel Aleixo, Alexandre Caixeta Veiga, Elvis de Souza Corsino, Ana Paula Guarnieri Christ, Maria Inês Zanolli Sato, Andrea Micke Moreno, Terezinha Knöbl
The aim of this study was to perform the identification and molecular characterization of Arcobacter cryaerophilus and Arcobacter butzleri isolated from caiman (Caiman yacare), kept at a production farm, in Brazil. Forty fecal samples were analyzed. After isolation and identification, 21/40 strains of A. butzleri and 19/40 strains of A. cryaerophilus were subjected to PCR for potential virulence gene detection. The results of the PCR showed 38/40 strains positive for the cadF, cj1349, ciaB, and tlyA genes, 39/40 strains positive for the pldA gene, and 40/40 strains positive for the mviN gene...
March 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28320909/theoretical-and-computational-studies-of-non-equilibrium-and-non-statistical-dynamics-in-the-gas-phase-in-the-condensed-phase-and-at-interfaces
#17
Riccardo Spezia, Emilio Martínez-Nuñez, Saulo Vazquez, William L Hase
In this Introduction, we show the basic problems of non-statistical and non-equilibrium phenomena related to the papers collected in this themed issue. Over the past few years, significant advances in both computing power and development of theories have allowed the study of larger systems, increasing the time length of simulations and improving the quality of potential energy surfaces. In particular, the possibility of using quantum chemistry to calculate energies and forces 'on the fly' has paved the way to directly study chemical reactions...
April 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28318025/maternal-chronic-hypoxia-increases-expression-of-genes-regulating-lung-liquid-movement-and-surfactant-maturation-in-male-fetuses-in-late-gestation
#18
Erin V McGillick, Sandra Orgeig, Beth J Allison, Kirsty L Brain, Youguo Niu, Nozomi Itani, Katie L Skeffington, Andrew D Kane, Emilio A Herrera, Dino A Giussani, Janna L Morrison
Chronic fetal hypoxaemia is a common pregnancy complication that may arise from maternal, placental and/or fetal factors. Respiratory outcome of the infant at birth likely depends on the duration, timing and severity of the hypoxaemic insult. We have isolated the effect of maternal chronic hypoxia (MCH) for a month in late gestation on fetal lung development. Pregnant ewes were exposed to normoxia (21% O2 ) or hypoxia (10% O2 ) from 105-138 d gestation (term ∼145 d). At 138 d, gene expression in fetal lung tissue was determined by qRT-PCR...
March 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28317046/a-rare-case-of-choledochal-cyst-with-pancreas-divisum-case-presentation-and-literature-review
#19
Adrián Ransom-Rodríguez, Ruben Blachman-Braun, Emilio Sánchez-García Ramos, Jesús Varela-Prieto, Erick Rosas-Lezama, Miguel Ángel Mercado
Choledochal cysts are rare congenital malformations of the bile duct characterized by dilatations of the intrahepatic and/or extrahepatic portion of the biliary tree, they are associated to an anomalous arrangement of the pancreaticobiliary duct. Pancreas divisum results from a fusion failure of the pancreatic buds. The coexistence of pancreas divisum and choledochal cyst in adults has been reported in less than 10 well documented cases. This article presents a case of a 42-year-old Peruvian man with intermittent episodes of abdominal pain, initially diagnosed with choledocholithiasis, who underwent open cholecystectomy...
February 2017: Ann Hepatobiliary Pancreat Surg
https://www.readbyqxmd.com/read/28316604/expression-of-the-knotted-homeobox-genes-in-the-cactaceae-cambial-zone-suggests-their-involvement-in-wood-development
#20
Jorge Reyes-Rivera, Gustavo Rodríguez-Alonso, Emilio Petrone, Alejandra Vasco, Francisco Vergara-Silva, Svetlana Shishkova, Teresa Terrazas
The vascular cambium is a lateral meristem that produces secondary xylem (i.e., wood) and phloem. Different Cactaceae species develop different types of secondary xylem; however, little is known about the mechanisms underlying wood formation in the Cactaceae. The KNOTTED HOMEOBOX (KNOX) gene family encodes transcription factors that regulate plant development. The role of class I KNOX genes in the regulation of the shoot apical meristem, inflorescence architecture, and secondary growth is established in a few model species, while the functions of class II KNOX genes are less well understood, although the Arabidopsis thaliana class II KNOX protein KNAT7 is known to regulate secondary cell wall biosynthesis...
2017: Frontiers in Plant Science
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