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https://www.readbyqxmd.com/read/28807908/activity-of-the-%C3%AE-lactamase-inhibitor-ln-1-255-against-carbapenem-hydrolyzing-class-d-%C3%AE-lactamases-from-acinetobacter-baumannii
#1
Juan Carlos Vázquez-Ucha, María Maneiro, Marta Martínez-Guitián, John Buynak, Christopher R Bethel, Robert A Bonomo, Germán Bou, Margarita Poza, Concepción González-Bello, Alejandro Beceiro
The number of infections caused by Gram-negative pathogens carrying carbapenemases is increasing, and the group of carbapenem-hydrolyzing class D β-lactamases (CHDLs) is especially problematic. Several clinically important CHDLs have been identified in A. baumannii, including OXA-23, OXA-24/40, OXA-58, OXA-143, OXA-235, and the chromosomally encoded OXA-51. The selection and dissemination of carbapenem-resistant A. baumannii strains constitutes a serious global threat. Carbapenems have been successfully utilized as last resort antibiotics for the treatment of multi-drug-resistant A...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28807410/macrofaunal-community-structure-in-bah%C3%A3-a-concepci%C3%A3-n-chile-before-and-after-the-8-8-mw-maule-mega-earthquake-and-tsunami
#2
Paula J Cárcamo, Eduardo Hernández-Miranda, Rodrigo Veas, Renato A Quiñones
Faunal assemblages of subtidal sedimentary environments are key components of coastal ecosystems. Benthic communities inhabiting the coastal zone near urban centers in Concepción Bay (Chile) have been described as highly disturbed (i.e. impoverished in diversity and species richness). This is due to the frequent presence of hypoxic conditions at the bottom due to the intrusion of low oxygen Equatorial Subsurface Water, high natural productivity and the high load of organic matter generated by several anthropogenic activities...
July 25, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28805348/levocarnitine-decreases-intradialytic-hypotension-episodes-a-randomized-controlled-trial
#3
Héctor Raúl Ibarra-Sifuentes, Ángel Del Cueto-Aguilera, Daniel Alberto Gallegos-Arguijo, Sergio Andres Castillo-Torres, Raymundo Vera-Pineda, Rolando Jacob Martínez-Granados, Alexandro Atilano-Díaz, Jesus Eduardo Cuellar-Monterrubio, Cesar Octaviano Pezina-Cantú, Edgar de Jesús Martínez-Guevara, Juan Francisco Ortiz-Treviño, Guillermo Rubén Delgado-García, José Guadalupe Martínez-Jiménez, Jesús Cruz-Valdez, Concepción Sánchez-Martínez
Intradialytic hypotension is common complication in stage 5 chronic kidney disease patients on hemodialysis. Incidence ranges from 15 to 30%. These patients have levocarnitine deficiency. A randomized, placebo-controlled quadruple-blinded trial was designed to demonstrate the levocarnitine efficiency on intradialytic hypotension prevention. Patients were randomized into four groups, to receive levocarnitine or placebo. During the intervention period, levocarnitine and placebo was administered 0 and 30 min before each hemodialysis session, respectively...
August 14, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28801448/long-term-results-of-a-phase-ii-study-of-rituximab-and-bendamustine-for-mucosa-associated-lymphoid-tissue-lymphoma
#4
Antonio Salar, Eva Domingo-Domenech, Carlos Panizo, Concepción Nicolás, Joan Bargay, Ana Muntañola, Miguel Canales, José Luis Bello, Juan Manuel Sancho, José Francisco Tomás, María José Rodríguez, Javier Peñalver, Carlos Grande, José Javier Sánchez-Blanco, Luis Palomera, Reyes Arranz, Eulogio Conde, Mar García, Juan Fernando García, Dolores Caballero, Carlos Montalbán
No abstract text is available yet for this article.
August 11, 2017: Blood
https://www.readbyqxmd.com/read/28800352/workers-medication-as-occupational-risk-at-construction-site-with-formworks
#5
Antonio López-Arquillos, Juan Carlos Rubio-Romero, Concepción López-Arquillos
BACKGROUND: Accidents in the construction sector are a cause for concern. The influence of many different factors in construction accidents have been studied (age, company size, length of service, deviation, drugs or alcohol consumption, etc.) but the influence of medicinal substances in specific construction activities has not been evaluated until now. OBJECTIVE: The aim of the research presented here is to identify the effect of different medicinal substances on the occupational risk levels of construction activities with formworks...
2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28799427/quality-of-life-in-family-caregivers-of-schizophrenia-patients-in-spain-caregiver-characteristics-caregiving-burden-family-functioning-and-social-and-professional-support
#6
José M Ribé, Manel Salamero, Carles Pérez-Testor, Josep Mercadal, Concepción Aguilera, Margarida Cleris
OBJECTIVE: Caregivers experience physical and mental stress that ends up lowering their quality of life (QoL). Our goal was to research (a) the level of caregivers QoL; (b) the relationships between the demographic characteristics of the caregivers, their caregiving burden, their family functioning, their social and professional support and their QoL and (c) the best predictors of caregivers QoL. METHODS: 100 key caregivers (70% parents, 8% spouses, 17% siblings and 5% children) were studied using the world health organization quality of life-Bref (WHOQOL-BREF) to research their QoL, the Zarit Scale to assess their perception of their caregiving burden, the Social Network Questionnaire to examine their social support, the Family APGAR to assess the satisfaction with social support from the family and a professional support scale (Escala de Apoyo Profesional) to determine the professional support received by caregivers was performed...
August 11, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28796790/mesenchymal-stromal-cells-msc-from-jak2-myeloproliferative-neoplasms-differ-from-normal-msc-and-contribute-to-the-maintenance-of-neoplastic-hematopoiesis
#7
Teresa L Ramos, Luis Ignacio Sánchez-Abarca, Beatriz Rosón-Burgo, Alba Redondo, Ana Rico, Silvia Preciado, Rebeca Ortega, Concepción Rodríguez, Sandra Muntión, Ángel Hernández-Hernández, Javier De Las Rivas, Marcos González, José Ramón González Porras, Consuelo Del Cañizo, Fermín Sánchez-Guijo
There is evidence of continuous bidirectional cross-talk between malignant cells and bone marrow-derived mesenchymal stromal cells (BM-MSC), which favors the emergence and progression of myeloproliferative neoplastic (MPN) diseases. In the current work we have compared the function and gene expression profile of BM-MSC from healthy donors (HD-MSC) and patients with MPN (JAK2V617F), showing no differences in the morphology, proliferation and differentiation capacity between both groups. However, BM-MSC from MPN expressed higher mean fluorescence intensity (MIF) of CD73, CD44 and CD90, whereas CD105 was lower when compared to controls...
2017: PloS One
https://www.readbyqxmd.com/read/28796287/optimization-of-ripe-olive-processing-with-a-single-lye-treatment
#8
Manuel Brenes, Concepción Romero, Pedro García-García
The development of a method for darkening black ripe olives during the washing step with a single NaOH treatment and preservation liquid was studied. Olives of the Hojiblanca cultivar were darkened at pilot plant scale, packed, sterilized, and analyzed after 2 mo of storage at ambient temperature. It was found that the use of a mixture of preservation liquid:water at a ratio of 1:1 during the first washing gave rise to darker olives with slightly better firmness and no effect on sensory quality. However, care must be taken with the concentration of acetic acid in the preservation solution, as a content of this organic acid higher than 25 g/L can cause adverse effects on olive color due to the low pH that can be reached in the flesh of the fruit...
August 10, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28792719/evaluation-of-3-hemoglobin-a1c-point-of-care-instruments-point-of-care-testing-for-hba1c-evaluation-of-cobas-b101-b-analyst-and-afinion%C3%A2
#9
María De Toro-Crespo, Catalina Sánchez-Mora, Patricia Fernández-Riejos, José M Maesa-Márquez, Concepción González-Rodríguez
No abstract text is available yet for this article.
July 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28791799/reducing-the-flexibility-of-type-ii-dehydroquinase-enzyme-for-inhibition-a-fragment-based-approach-and-molecular-dynamics-simulation-study
#10
Antonio Peón, Adrián Robles, Beatriz Blanco, Marino Convertino, Paul Thompson, Alastair R Hawkins, Amedeo Caflisch, Concepcion Gonzalez-Bello
A multidisciplinary approach was used to identify and optimize a quinazolinedione-based ligand that would reduce the flexibility of the substrate-covering loop (catalytic loop) of the type II dehydroquinase from Helicobacter pylori. This enzyme, which is essential for the survival of this bacterium, is involved in the biosynthesis of the aromatic amino acids. A computer-aided fragment-based protocol (ALTA) was first employed to identify the aromatic fragments able to block the interface pocket that separates two neighbor enzyme subunits and is located at the active site entrance...
August 9, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28791745/a-novel-pathway-of-protein-haptenation-by-%C3%A3-lactams
#11
M Consuelo Jiménez, Raúl Pérez-Ruiz, Emilio Lence, Inmaculada Andreu, Concepción González-Bello, Miguel A Miranda, Daniel Limones-Herrero
The covalent binding of β-lactams to proteins upon photochemical activation has been demonstrated using an integrated approach that combines photochemical, proteomic and computational studies, selecting human serum albumin (HSA) as target protein and ezetimibe (1) as probe. The results have revealed a novel protein haptenation pathway by this family of drugs that is alternative to the known nucleophilic ring opening of β-lactams by the free amino group of lysine residues. Thus, photochemical ring splitting of the β-lactam ring following a formal retro-Staudinger reaction gives a highly reactive ketene intermediate that is trapped by the neighboring lysine residues, leading to an amide adduct...
August 9, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28789915/association-of-general-and-abdominal-obesity-with-hypertension-dyslipidemia-and-prediabetes-in-the-predaps-study
#12
F Javier Sangrós, Jesús Torrecilla, Carolina Giráldez-García, Lourdes Carrillo, José Mancera, Teresa Mur, Josep Franch, Javier Díez, Albert Goday, Rosario Serrano, F Javier García-Soidán, Gabriel Cuatrecasas, Dimas Igual, Ana Moreno, J Manuel Millaruelo, Francisco Carramiñana, Manuel Antonio Ruiz, Francisco Carlos Pérez, Yon Iriarte, Ángela Lorenzo, María González, Beatriz Álvarez, Lourdes Barutell, M Soledad Mayayo, Mercedes Del Castillo, Emma Navarro, Fernando Malo, Ainhoa Cambra, Riánsares López, M Ángel Gutiérrez, Luisa Gutiérrez, Carmen Boente, J Javier Mediavilla, Luis Prieto, Luis Mendo, M José Mansilla, Francisco Javier Ortega, Antonia Borras, L Gabriel Sánchez, J Carlos Obaya, Margarita Alonso, Francisco García, Ángela Trinidad Gutiérrez, Ana M Hernández, Dulce Suárez, J Carlos Álvarez, Isabel Sáenz, F Javier Martínez, Ana Casorrán, Jazmín Ripoll, Alejandro Salanova, M Teresa Marín, Félix Gutiérrez, Jaime Innerárity, M Del Mar Álvarez, Sara Artola, M Jesús Bedoya, Santiago Poveda, Fernando Álvarez, M Jesús Brito, Rosario Iglesias, Francisca Paniagua, Pedro Nogales, Ángel Gómez, José Félix Rubio, M Carmen Durán, Julio Sagredo, M Teresa Gijón, M Ángeles Rollán, Pedro P Pérez, Javier Gamarra, Francisco Carbonell, Luis García-Giralda, J Joaquín Antón, Manuel de la Flor, Rosario Martínez, José Luis Pardo, Antonio Ruiz, Raquel Plana, Ramón Macía, Mercè Villaró, Carmen Babace, José Luis Torres, Concepción Blanco, Ángeles Jurado, José Luis Martín, Jorge Navarro, Gloria Sanz, Rafael Colas, Blanca Cordero, Cristina de Castro, Mercedes Ibáñez, Alicia Monzón, Nuria Porta, María Del Carmen Gómez, Rafael Llanes, J José Rodríguez, Esteban Granero, Manuel Sánchez, Juan Martínez, Patxi Ezkurra, Luis Ávila, Carlos de la Sen, Antonio Rodríguez, Pilar Buil, Paula Gabriel, Pilar Roura, Eduard Tarragó, Xavier Mundet, Remei Bosch, J Carles González, M Isabel Bobé, Manel Mata, Irene Ruiz, Flora López, Marti Birules, Oriol Armengol, Rosa Mar de Miguel, Laura Romera, Belén Benito, Neus Piulats, Beatriz Bilbeny, J José Cabré, Xavier Cos, Ramón Pujol, Mateu Seguí, Carmen Losada, A María de Santiago, Pedro Muñoz, Enrique Regidor
INTRODUCTION AND OBJECTIVES: Some anthropometric measurements show a greater capacity than others to identify the presence of cardiovascular risk factors. This study estimated the magnitude of the association of different anthropometric indicators of obesity with hypertension, dyslipidemia, and prediabetes (altered fasting plasma glucose and/or glycosylated hemoglobin). METHODS: Cross-sectional analysis of information collected from 2022 participants in the PREDAPS study (baseline phase)...
August 5, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28782386/glottis-effects-on-the-cough-clearance-process-simulated-with-a-cfd-dynamic-mesh-and-eulerian-wall-film-model
#13
Concepción Paz, Eduardo Suárez, Oscar Parga, Jesús Vence
In this study, we have reproduced the cough clearance process with an Eulerian wall film model. The simulated domain is based on realistic geometry from the literature, which has been improved by adding the glottis and epiglottis. The vocal fold movement has been included due to the dynamic mesh method, considering different abduction and adduction angles and velocities. The proposed methodology captures the deformation of the flexible tissue, considers non-Newtonian properties for the mucus, and enables us to reproduce a single cough or a cough epoch...
August 7, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28780194/scar-characterization-to-predict-life-threatening-arrhythmic-events-and%C3%A2-sudden-cardiac-death-in-patients-with-cardiac-resynchronization-therapy-the-gaudi-crt-study
#14
Juan Acosta, Juan Fernández-Armenta, Roger Borràs, Ignasi Anguera, Felipe Bisbal, Julio Martí-Almor, Jose M Tolosana, Diego Penela, David Andreu, David Soto-Iglesias, Reinder Evertz, María Matiello, Concepción Alonso, Roger Villuendas, Teresa M de Caralt, Rosario J Perea, Jose T Ortiz, Xavier Bosch, Luis Serra, Xavier Planes, Andreas Greiser, Okan Ekinci, Luis Lasalvia, Lluis Mont, Antonio Berruezo
OBJECTIVES: The aim of this study was to analyze whether scar characterization could improve the risk stratification for life-threatening ventricular arrhythmias and sudden cardiac death (SCD). BACKGROUND: Among patients with a cardiac resynchronization therapy (CRT) indication, appropriate defibrillator (CRT-D) therapy rates are low. METHODS: Primary prevention patients with a class I indication for CRT were prospectively enrolled and assigned to CRT-D or CRT pacemaker according to physician's criteria...
July 28, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28776154/sleeve-gastrectomy-after-liver-transplantation-feasibility-and-outcomes
#15
Michael Osseis, Andrea Lazzati, Chady Salloum, Concepcion Gomez Gavara, Philippe Compagnon, Cyrille Feray, Chetana Lim, Daniel Azoulay
BACKGROUND: Knowledge regarding the feasibility and safety of sleeve gastrectomy (SG) in obese liver transplant recipients is scarce. We report our experience of sleeve gastrectomy following liver transplantation (LT). METHODS: All patients who had undergone LT and subsequently underwent SG at our institution were retrospectively reviewed. Surgical outcomes, liver and kidney function tests, outcomes of obesity-related comorbidities, and excess weight loss were analyzed...
August 3, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28776045/whole-genome-sequencing-of-human-clinical-klebsiella-pneumoniae-isolates-reveals-misidentification-and-misunderstandings-of-klebsiella-pneumoniae-klebsiella-variicola-and-klebsiella-quasipneumoniae
#16
S Wesley Long, Sarah E Linson, Matthew Ojeda Saavedra, Concepcion Cantu, James J Davis, Thomas Brettin, Randall J Olsen
Klebsiella pneumoniae is a major threat to public health, causing significant morbidity and mortality worldwide. The emergence of highly drug-resistant strains is particularly concerning. There has been a recognition and division of Klebsiella pneumoniae into three distinct phylogenetic groups: Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniae. K. variicola and K. quasipneumoniae have often been described as opportunistic pathogens that have less virulence in humans than K. pneumoniae does...
July 2017: MSphere
https://www.readbyqxmd.com/read/28773152/cultured-human-fibroblast-biostimulation-using-a-940-nm-diode-laser
#17
Rebeca Illescas-Montes, Lucía Melguizo-Rodríguez, Francisco Javier Manzano-Moreno, Olga García-Martínez, Concepción Ruiz, Javier Ramos-Torrecillas
BACKGROUND: Fibroblasts are the main cells involved in regeneration during wound healing. The objective was to determine the effect of 940 nm diode laser on cultured human fibroblasts using different irradiation regimens. METHODS: The CCD-1064Sk human epithelial fibroblast cell line was treated with a 940 nm diode laser at different energy doses (power: 0.2-1 W and energy density: 1-7 J/cm²) using different transmission modes (continuous or pulsed). The effect on cell growth at 24 and 72 h post-treatment was examined by measuring the proliferative capacity, the impact on the cell cycle, and the effect on cell differentiation...
July 13, 2017: Materials
https://www.readbyqxmd.com/read/28773128/study-of-superbase-based-deep-eutectic-solvents-as-the-catalyst-in-the-chemical-fixation-of-co%C3%A2-into-cyclic-carbonates-under-mild-conditions
#18
Sara García-Argüelles, Maria Luisa Ferrer, Marta Iglesias, Francisco Del Monte, María Concepción Gutiérrez
Superbases have shown high performance as catalysts in the chemical fixation of CO₂ to epoxides. The proposed reaction mechanism typically assumes the formation of a superbase, the CO₂ adduct as the intermediate, most likely because of the well-known affinity between superbases and CO₂, i.e., superbases have actually proven quite effective for CO₂ absorption. In this latter use, concerns about the chemical stability upon successive absorption-desorption cycles also merits attention when using superbases as catalysts...
July 7, 2017: Materials
https://www.readbyqxmd.com/read/28772715/ice-as-a-green-structure-directing-agent-in-the-synthesis-of-macroporous-mwcnts-and-chondroitin-sulphate-composites
#19
Stefania Nardecchia, María Concepción Serrano, Sara García-Argüelles, Marcelo E H Maia Da Costa, María Luisa Ferrer, María C Gutiérrez
The incorporation of multi-walled carbon nanotubes (MWCNTs) into chondroitin sulphate-based scaffolds and the effect on the structural, mechanical, conductive, and thermal properties of the resulting scaffolds is investigated. Three-dimensional hierarchical materials are prepared upon the application of the ice segregation-induced self-assembly (ISISA) process. The use of ice as structure-directing agents avoids chemicals typically used for this purpose (e.g., surfactants, block copolymers, etc.), hence, emphasising the green features of this soft-templating approach...
March 28, 2017: Materials
https://www.readbyqxmd.com/read/28771179/leptin-receptor-gene-variant-rs11804091-is-associated-with-bmi-and-insulin-resistance-in-spanish-female-obese-children-a-case-control-study
#20
Josune Olza, Azahara I Rupérez, Mercedes Gil-Campos, Rosaura Leis, Ramón Cañete, Rafael Tojo, Ángel Gil, Concepción M Aguilera
Leptin is an endocrine hormone that has a critical role in body weight homoeostasis and mediates its effects via the leptin receptor (LEPR). Common polymorphisms in the genes coding leptin receptors have been associated with metabolic abnormalities. We assessed the association of 28 LEPR polymorphisms with body mass index (BMI) and their relationship with obesity-related phenotypes, inflammation and cardiovascular disease risk biomarkers. A multicentre case-control study was conducted in 522 children (286 with obesity and 236 with normal-BMI)...
August 3, 2017: International Journal of Molecular Sciences
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