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https://www.readbyqxmd.com/read/28431264/intercomparison-of-methods-to-estimate-black-carbon-emissions-from-cookstoves
#1
Candela de la Sota, Moustapha Kane, Javier Mazorra, Julio Lumbreras, Issakha Youm, Mar Viana
Black carbon is the second largest contributor to climate change and also poses risks to human health. Despite the need for black carbon (BC) emissions estimates from residential biomass burning for cooking, quantitative data are still scarce. This scarcity is mainly due to the scattered location of the stoves, as well as relatively costly and complex analytical methods available. Two low cost and easy-to-use optical methods, a cell-phone based system and smoke stain reflectometry, where compared to elemental carbon (EC) concentrations by the Sunset OCEC Analyzer (TOT)...
April 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28426878/microbiota-nash-hcc-and-the-potential-role-of-probiotics
#2
Giovanni Brandi, Stefania De Lorenzo, Marco Candela, Maria Abbondanza Pantaleo, Stefano Bellentani, Francesco Tovoli, Gioconda Saccoccio, Guido Biasco
Hepatocellular carcinoma (HCC) accounts for the majority of primary liver cancers. Clearly identifiable risk factors are lacking in up to 30% of HCC patients and most of these cases are attributed to non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). Beyond the known risk factors for NAFLD, the intestinal microbiota, in particular dysbiosis (defined as any change in the composition of the microbiota commonly found in healthy conditions) is emerging as a new factor promoting the development of chronic liver diseases and HCC...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28420209/association-between-blood-lead-levels-and-delta-aminolevulinic-acid-dehydratase-in-pregnant-women
#3
Osmel La-Llave-León, Edna M Méndez-Hernández, Francisco X Castellanos-Juárez, Eloísa Esquivel-Rodríguez, Fernando Vázquez-Alaniz, Ada Sandoval-Carrillo, Gonzalo García-Vargas, Jaime Duarte-Sustaita, Jorge L Candelas-Rangel, José M Salas-Pacheco
Blood lead levels (BLLs) and delta-aminolevulinic acid dehydratase (ALAD) activity are considered biomarkers of lead exposure and lead toxicity, respectively. The present study was designed to investigate the association between BLLs and ALAD activity in pregnant women from Durango, Mexico. A total of 633 pregnant women aged 13-43 years participated in this study. Blood lead was measured by a graphite furnace atomic absorption spectrometer. ALAD activity was measured spectrophotometrically. Mean blood lead was 2...
April 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28417551/morbidity-and-mortality-after-treatment-of-ewing-sarcoma-a-single-institution-experience
#4
Danielle Novetsky Friedman, Katherine Chastain, Joanne F Chou, Chaya S Moskowitz, Roberto Adsuar, Leonard H Wexler, Alexander J Chou, Amelia DeRosa, Joanne Candela, Heather Magnan, Shawn Pun, Tamara Kahan, Suzanne L Wolden, Paul A Meyers, Kevin C Oeffinger
BACKGROUND: Children, adolescents, and young adults treated for Ewing sarcoma (ES) are at risk for disease-related and treatment-related complications. We aimed to describe early and late overall mortality, cause-specific mortality, and key adverse health outcomes in a large, single-institutional cohort of patients with ES. METHODS: Patients with ES diagnosed at age less than 40 years and treated at Memorial Sloan Kettering between 1974 and 2012 were included. Overall survival was estimated using Kaplan-Meier methods...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28412382/use-of-nebulized-antimicrobials-for-the-treatment-of-respiratory-infections-in-invasively-mechanically-ventilated-adults-a-position-paper-from-the-european-society-of-clinical-microbiology-and-infectious-diseases
#5
Jordi Rello, Candela Solé-Lleonart, Jean-Jacques Rouby, Jean Chastre, Stijn Blot, Garyfallia Poulakou, Charles-Edouard Luyt, Jordi Riera, Lucy B Palmer, Jose M Pereira, Tim Felton, Jayesh Dhanani, Matteo Bassetti, Tobias Welte, Jason A Roberts
With an established role in cystic fibrosis and bronchiectasis, nebulized antibiotics are increasingly being used to treat respiratory infections in critically ill invasively mechanically ventilated adult patients. Although there is limited evidence describing their efficacy and safety, in an era of need for new strategies to enhance antibiotic effectiveness because of a shortage of new agents and increases in antibiotic resistance, the potential of nebulization of antibiotics to optimize therapy is considered of high interest, particularly in patients infected with multidrug-resistant (MDR) pathogens...
April 13, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28408026/the-aging-cardiovascular-system-understanding-it-at-the-cellular-and-clinical-levels
#6
REVIEW
Francesco Paneni, Candela Diaz Cañestro, Peter Libby, Thomas F Lüscher, Giovanni G Camici
Cardiovascular disease (CVD) presents a great burden for elderly patients, their caregivers, and health systems. Structural and functional alterations of vessels accumulate throughout life, culminating in increased risk of developing CVD. The growing elderly population worldwide highlights the need to understand how aging promotes CVD in order to develop new strategies to confront this challenge. This review provides examples of some major unresolved clinical problems encountered in daily cardiovascular practice as we care for elderly patients...
April 18, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28402411/impact-of-acute-hypertension-transients-on-diastolic-function-in-patients-with-heart-failure-with-preserved-ejection-fraction
#7
Candelas Pérez Del Villar, Konstantinos Savvatis, Begoña López, Mario Kasner, Pablo Martinez-Legazpi, Raquel Yotti, Arantxa González, Javier Díez, Francisco Fernández-Avilés, Carsten Tschöpe, Javier Bermejo
Aim: To address the mechanisms responsible for the increase in LV filling pressures induced by acute hypertension transients in patients with heart failure with preserved ejection fraction (HFpEF). Methods and results: Multiple-beat pressure-volume loops were recorded during inferior vena cava occlusion in 39 HFpEF patients and 20 controls during handgrip and atrial pacing. We measured the contribution of relaxation, elastic recoil, and stiffness to instantaneous diastolic pressure using a novel processing method...
April 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28386434/repeatability-of-circadian-behavioural-variation-revealed-in-free-ranging-marine-fish
#8
Josep Alós, Martina Martorell-Barceló, Andrea Campos-Candela
Repeatable between-individual differences in the behavioural manifestation of underlying circadian rhythms determine chronotypes in humans and terrestrial animals. Here, we have repeatedly measured three circadian behaviours, awakening time, rest onset and rest duration, in the free-ranging pearly razorfish, Xyrithchys novacula, facilitated by acoustic tracking technology and hidden Markov models. In addition, daily travelled distance, a standard measure of daily activity as fish personality trait, was repeatedly assessed using a State-Space Model...
February 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28360897/classification-of-isolates-from-the-pseudomonas-fluorescens-complex-into-phylogenomic-groups-based-in-group-specific-markers
#9
Daniel Garrido-Sanz, Eva Arrebola, Francisco Martínez-Granero, Sonia García-Méndez, Candela Muriel, Esther Blanco-Romero, Marta Martín, Rafael Rivilla, Miguel Redondo-Nieto
The Pseudomonas fluorescens complex of species includes plant-associated bacteria with potential biotechnological applications in agriculture and environmental protection. Many of these bacteria can promote plant growth by different means, including modification of plant hormonal balance and biocontrol. The P. fluorescens group is currently divided into eight major subgroups in which these properties and many other ecophysiological traits are phylogenetically distributed. Therefore, a rapid phylogroup assignment for a particular isolate could be useful to simplify the screening of putative inoculants...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28347790/key-conceptional-considerations-on-nebulization-of-antimicrobial-agents-to-mechanically-ventilated-patients
#10
Jordi Rello, Jean Jacques Rouby, Candela Sole-Lleonart, Jean Chastre, Stijn Blot, Charles Edouard Luyt, Jordi Riera, Margreet C Vos, Antoine Monsel, Jayesh Dhanani, Jason A Roberts
Nebulized antibiotics have an established role in patients with cystic fibrosis or bronchiectasis. Their potential benefit to treat respiratory infections in mechanically ventilated patients is receiving increasing interest. In this Consensus Paper of the European Society of Clinical Microbiology and Infectious Diseases, the body of evidence of the therapeutic utility of aerosolized antibiotics in mechanically ventilated patients was reviewed and resulted in the following recommendations: A. Vibrating mesh nebulizers should be preferred to jet or ultrasonic nebulizers; B...
March 24, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28345764/the-tarsal-metatarsal-complex-of-caviomorph-rodents-anatomy-and-functional-adaptive-analysis
#11
Adriana M Candela, Nahuel A Muñoz, César M García-Esponda
Caviomorph rodents represent a major adaptive radiation of Neotropical mammals. They occupy a variety of ecological niches, which is also reflected in their wide array of locomotor behaviors. It is expected that this radiation would be mirrored by an equivalent disparity of tarsal-metatarsal morphology. Here, the tarsal-metatarsal complex of Erethizontidae, Cuniculidae, Dasyproctidae, Caviidae, Chinchillidae, Octodontidae, Ctenomyidae, and Echimyidae was examined, in order to evaluate its anatomical variation and functional-adaptive relevance in relation to locomotor behaviors...
March 27, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28340597/temporal-dynamics-of-the-gut-microbiota-in-people-sharing-a-confined-environment-a-520-day-ground-based-space-simulation-mars500
#12
Silvia Turroni, Simone Rampelli, Elena Biagi, Clarissa Consolandi, Marco Severgnini, Clelia Peano, Sara Quercia, Matteo Soverini, Franck G Carbonero, Giovanna Bianconi, Petra Rettberg, Francesco Canganella, Patrizia Brigidi, Marco Candela
BACKGROUND: The intestinal microbial communities and their temporal dynamics are gaining increasing interest due to the significant implications for human health. Recent studies have shown the dynamic behavior of the gut microbiota in free-living, healthy persons. To date, it is not known whether these dynamics are applicable during prolonged life sharing in a confined and controlled environment. RESULTS: The MARS500 project, the longest ground-based space simulation ever, provided us with a unique opportunity to trace the crew microbiota over 520 days of isolated confinement, such as that faced by astronauts in real long-term interplanetary space flights, and after returning to regular life, for a total of 2 years...
March 24, 2017: Microbiome
https://www.readbyqxmd.com/read/28336559/microvascular-endothelial-dysfunction-in-obesity-is-driven-by-macrophage-dependent-hydrogen-sulfide-depletion
#13
Joseph Candela, Rui Wang, Carl White
OBJECTIVE: The function of perivascular adipose tissue as an anticontractile mediator in the microvasculature is lost during obesity. Obesity results in inflammation and recruitment of proinflammatory macrophages to the perivascular adipose tissue that is paralleled by depletion of the vasorelaxant signaling molecule hydrogen sulfide (H2S) in the vessel. The current objective was to assess the role of macrophages in determining vascular [H2S] and defining how this impinged on vasodilation...
March 23, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28317066/er%C3%AE-and-gnrh-co-localize-in-the-hypothalamic-neurons-of-the-south-american-plains-vizcacha-lagostomus-maximus-rodentia-caviomorpha
#14
Pablo Ignacio Felipe Inserra, Santiago Elías Charif, Noelia Paula Di Giorgio, Lucía Saucedo, Alejandro Raúl Schmidt, Nicolas Fraunhoffer, Julia Halperin, María Constanza Gariboldi, Noelia Paola Leopardo, Victoria Lux-Lantos, Candela Rocío Gonzalez, Alfredo Daniel Vitullo, Verónica Berta Dorfman
Gonadotropin-releasing hormone (GnRH) is the key regulator of the hypothalamic-pituitary-gonadal axis. Estradiol (E2) affects GnRH synthesis and delivery. Hypothalamic estrogen receptors (ER) modulate GnRH expression acting as transcription factors. The South American plains vizcacha, Lagostomus maximus, is able to ovulate up to 800 oocytes per reproductive cycle, and shows continuous folliculogenesis with pre-ovulatory follicle formation and an ovulatory event at mid-gestation. The aim of this work was to analyze the hypothalamic expression of ER in the vizcacha at different gestational time-points, and its relationship with GnRH expression, serum luteinizing hormone (LH) and E2...
March 19, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/28295744/contributing-factors-for-therapeutic-diet-adherence-in-patients-receiving-haemodialysis-treatment-an-integrative-review
#15
REVIEW
Lissete González Oquendo, José Miguel Morales Asencio, Candela Bonill de Las Nieves
AIMS AND OBJECTIVES: The objective of this integrative review is to identify the factors that contribute to diet adherence in people suffering from kidney disease who are receiving haemodialysis treatment. BACKGROUND: Adherence to the therapeutic regimen determines therapeutic success, quality of life, and survival in patients on haemodialysis. Lack of diet adherence ranges from 25 to 86% in patients receiving haemodialysis treatment and affects patient morbidity and mortality...
March 15, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28292856/light-regulated-expression-of-sensor-histidine-kinase-cki1-controls-cytokinin-related-development
#16
Tereza Dobisova, Vendula Hrdinova, Candela Cuesta, Sarka Michlickova, Ivana Urbankova, Romana Hejatkova, Petra Žádníková, Marketa Pernisova, Eva Benkova, Jan Hejatko
In plants, the multistep phosphorelay (MSP) pathway mediates a range of regulatory processes, including those activated by cytokinins. The crosstalk between cytokinin response and light is known for a long time. However, the molecular mechanism underlying the interactionbetween light and cytokinin signaling remains elusive. In the screen for upstream regulators we identified a LONG PALE HYPOCOTYL (LPH) gene whose activity is indispensable for spatiotemporally correct expression of CYTOKININ INDEPENDENT-1 (CKI1), encoding the constitutively active sensor histidine kinase that activates MSP signaling...
March 14, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28278594/neural-processing-of-threat-cues-in-young-children-with-attention-deficit-hyperactivity-symptoms
#17
Chaia Flegenheimer, Claudia Lugo-Candelas, Elizabeth Harvey, Jennifer M McDermott
A growing literature indicates that attention deficit/hyperactivity disorder (ADHD) involves difficulty processing threat-related emotion faces. This deficit is especially important to understand in young children, as threat emotion processing is related to the development of social skills and related behavioral regulation. Therefore, the current study aimed to better understand the neural basis of this processing in young children with ADHD symptoms. Forty-seven children between 4 and 7 years of age were included in the analysis, 28 typical developing and 19 with clinically significant levels of ADHD hyperactive/impulsive symptoms...
March 3, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28278247/correction-vitamin-d-status-in-pediatric-irritable-bowel-syndrome
#18
Benjamin Udoka Nwosu, Louise Maranda, Ninfa Candela
[This corrects the article DOI: 10.1371/journal.pone.0172183.].
2017: PloS One
https://www.readbyqxmd.com/read/28277301/body-composition-analysis-and-adipocytokine-concentrations-in-haemodialysis-patients-abdominal-fat-gain-as-an-added-cardiovascular-risk-factor-abdominal-fat-gain-and-cardiovascular-risk
#19
Elena González, Juan J Díez, Almudena Pérez Torres, María Auxiliadora Bajo, Gloria Del Peso, Rafael Sánchez-Villanueva, Cristina Grande, Olaia Rodríguez, Mónica Coronado, Carmen Gómez Candela, Mariana Díaz-Almirón, Pedro Iglesias, Rafael Selgas
INTRODUCTION: Abdominal fat and its increment over time in particular has become a cardiovascular risk factor in uraemic patients. OBJECTIVES: To analyse changes in abdominal fat in haemodialysis patients over one year and study their possible correlation with the variation in adipocytokine serum levels. As a secondary objective, we tried to validate the data obtained by bioelectrical impedance analysis (BIA) with data obtained by dual X-ray absorptiometry (DXA)...
October 26, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28266028/triggering-of-tlr-3-4-nod2-and-dc-sign-reduces-viral-replication-and-increases-t-cell-activation-capacity-of-hiv-infected-human-dendritic-cells
#20
Sylvain Cardinaud, Alejandra Urrutia, Angeline Rouers, Pierre-Grégoire Coulon, Jérome Kervevan, Clémence Richetta, Anne Bet, Emmanuel A Maze, Martin Larsen, Maria-Candela Iglesias, Victor Appay, Stéphanie Graff-Dubois, Arnaud Moris
A variety of signals influence the capacity of dendritic cells (DCs) to mount potent antiviral cytotoxic T-cell (CTL) responses. In particular, innate immune sensing by pathogen recognition receptors, such as TLR and C-type lectines, influences DC biology and affects their susceptibility to HIV infection. Yet, whether the combined effects of PPRs triggering and HIV infection influence HIV-specific (HS) CTL responses remain enigmatic. Here, we dissect the impact of innate immune sensing by pathogen recognition receptors on DC maturation, HIV infection, and on the quality of HS CTL activation...
March 7, 2017: European Journal of Immunology
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