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https://www.readbyqxmd.com/read/28336538/effects-of-dobutamine-on-intestinal-microvascular-blood-flow-heterogeneity-and-oxygen-extraction-during-septic-shock
#1
Gustavo Adolfo Ospina-Tascón, Alberto Federico García Marín, Gabriel J Echeverri, William Fernando Bermúdez, Humberto José Madriñán Navia, Juan David Valencia, Edgardo Quiñones, Fernando Rodríguez, Angela Marulanda, César Augusto Arango Davila, Alejandro Bruhn, Glenn Hernández, Daniel De Backer
Derangements of microvascular blood flow distribution might contribute to disturbing oxygen extraction by peripheral tissues. We evaluated the dynamic relationships between the mesenteric oxygen extraction ratio (mes-ERO2) and the heterogeneity of microvascular blood flow at the gut and sublingual mucosa, during the development and resuscitation of septic shock in a swine model of fecal peritonitis. Jejunal-villi and sublingual microcirculation were evaluated using a portable intravital-microscopy technique...
March 23, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28323870/contribution-of-sortase-srta2-to-lactobacillus-casei-bl23-inhibition-of-staphylococcus-aureus-internalization-into-bovine-mammary-epithelial-cells
#2
Renata F S Souza, Julien Jardin, Chantal Cauty, Lucie Rault, Damien S Bouchard, Luis G Bermúdez-Humarán, Philippe Langella, Vicente Monedero, Núbia Seyffert, Vasco Azevedo, Yves Le Loir, Sergine Even
Probiotics have been considered as a promising strategy to prevent various diseases in both humans and animals. This approach has gained interest in recent years as a potential means to control bovine mastitis. In a previous study, we found that several L. casei strains, including BL23, were able to inhibit the internalization of S. aureus, a major etiologic agent of mastitis, into bovine mammary epithelial cells (bMEC). This antagonism required a direct contact between L. casei and bMEC or S. aureus, suggesting the inhibition relied on interactions between L...
2017: PloS One
https://www.readbyqxmd.com/read/28322000/postprandial-triglyceride-rich-lipoproteins-promote-lipid-accumulation-and-apolipoprotein-b-48-receptor-transcriptional-activity-in-human-circulating-and-murine-bone-marrow-neutrophils-in-a-fatty-acid-dependent-manner
#3
Almudena Ortega-Gómez, Lourdes M Varela, Sergio Lopez, Sergio Montserrat de la Paz, Rosario Sanchez, Francisco J G Muriana, Beatriz Bermúdez, Rocío Abia
SCOPE: Postprandial triglyceride-rich lipoproteins (TRLs) promote atherosclerosis. Recent research points the bone marrow (BM) as a primary site in atherosclerosis. We elucidated how the acute administration of MUFAs, omega-3 PUFAs and saturated fatty acids (SFAs) affects human circulating and murine BM neutrophil lipid accumulation and functionality. METHODS AND RESULTS: Postprandial hypertriglyceridemia was induced in healthy subjects and Apoe-/- mice by the acute administration of dietary fats enriched in MUFAs, PUFAs or SFAs...
March 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28321128/continuous-wave-lasing-in-colloidal-quantum-dot-solids-enabled-by-facet-selective-epitaxy
#4
Fengjia Fan, Oleksandr Voznyy, Randy P Sabatini, Kristopher T Bicanic, Michael M Adachi, James R McBride, Kemar R Reid, Young-Shin Park, Xiyan Li, Ankit Jain, Rafael Quintero-Bermudez, Mayuran Saravanapavanantham, Min Liu, Marek Korkusinski, Pawel Hawrylak, Victor I Klimov, Sandra J Rosenthal, Sjoerd Hoogland, Edward H Sargent
Colloidal quantum dots (CQDs) feature a low degeneracy of electronic states at the band edges compared with the corresponding bulk material, as well as a narrow emission linewidth. Unfortunately for potential laser applications, this degeneracy is incompletely lifted in the valence band, spreading the hole population among several states at room temperature. This leads to increased optical gain thresholds, demanding high photoexcitation levels to achieve population inversion (more electrons in excited states than in ground states-the condition for optical gain)...
March 20, 2017: Nature
https://www.readbyqxmd.com/read/28317371/high-performance-near-infrared-luminescent-solar-concentrators
#5
Raquel Rondão, Ana Frias, Sandra Correia, Lianshe Fu, Verónica de Zea Bermudez, Paulo André, Rute A S Ferreira, Luis D Carlos
Luminescent solar concentrators (LSCs) appear as candidates to enhance the performance of photovoltaic (PV) cells and contribute to reduce the size of PV systems, decreasing, therefore, the amount of material needed, and thus the cost associated with energy conversion. One way to maximize the devices performance is to explore near infrared (NIR)-emitting centers, resonant with the maximum optical response of the most common Si-based PV cells. Nevertheless, very few examples in the literature demonstrate the feasibility of fabricating LSCs emitting in the NIR region...
March 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28315394/physical-activity-and-dietary-habits-related-to-cardiovascular-risk-in-independent-community-living-older-women
#6
A B Fraile-Bermúdez, M Kortajarena, I Zarrazquin, A Irazusta, A Fernandez-Atutxa, F Ruiz-Litago, J J Yanguas, J Gil, J Irazusta
A side effect of increased life expectancy is a surge in sequelae of diseases and injuries, which in turn increase the duration of life with disability among the elderly. The aim of this study was to ascertain the physical activity and nutritional parameters that better predict cardiovascular risk in a cohort of older women. A cross-sectional study was designed including 65 women able to independently perform basic activities of daily life. Data collection included anthropometric measurement, blood pressure measurement, blood analytics, objectively measurement of physical activity, and dietary assessment...
March 14, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28314928/hilar-granule-cells-of-the-mouse-dentate-gyrus-effects-of-age-septotemporal-location-strain-and-selective-deletion-of-the-proapoptotic-gene-bax
#7
Keria Bermudez-Hernandez, Yi-Ling Lu, Jillian Moretto, Swati Jain, John J LaFrancois, Aine M Duffy, Helen E Scharfman
The dentate gyrus (DG) principal cells are glutamatergic granule cells (GCs), and they are located in a compact cell layer. However, GCs are also present in the adjacent hilar region, but have been described in only a few studies. Therefore, we used the transcription factor prospero homeobox 1 (Prox1) to quantify GCs at postnatal day (PND) 16, 30, and 60 in a common mouse strain, C57BL/6J mice. At PND16, there was a large population of Prox1-immunoreactive (ir) hilar cells, with more in the septal than temporal hippocampus...
March 17, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28314432/-consensus-document-on-the-management-and-follow-up-of-the-male-with-lower-urinary-tract-symptoms-secondary-to-benign-prostate-hyperplasia
#8
F J Brenes Bermúdez, F Brotons Muntó, J Castiñeiras Fernández, J M Cozar Olmo, A Fernández-Pro Ledesma, J A Martín Jiménez, M L Martínez-Berganza Asensio, B Miñana López, J M Molero García
Benign prostate hyperplasia (BPH) is a high-incidence condition. Its diagnosis and treatment is shared between urologists and Primary Care physicians. Its management uses up a significant amount of resources. The Spanish Society of Primary Care Physicians (SEMERGEN), the Spanish Society of General Practitioners and Family Doctors (SEMG), the Spanish Society of Family and Community Medicine (semFYC), and the Spanish Association of Urology (AEU) have prepared a document on the management and monitoring of BPH, in which the aim is to incorporate the latest evidence in order to update the previously published guidelines, and present them here in condensed form...
November 2016: Semergen
https://www.readbyqxmd.com/read/28301065/dinuclear-crown-ether-palladium-complex-a-highly-effective-strategy-for-encapsulating-potassium-cations-in-small-crown-ether-rings
#9
Jose M Vila, Fatima Lucio-Martinez, Brais Bermudez, Juan Ortigueira, Harry Adams, M Teresa Pereira, Alberto Fernandez
The potential of 15-crown-5 ethers to link rather large cations as potassium is limited to the quasi parallel arrangement of two oxygen donor moieties upon appropriate orientation of the corresponding ether ring containing molecules. Substrates bearing the two crown ethers capable of achieving such coordination are hitherto unknown. The synthesis and isolation of a tailored-made dinuclear palladacycle bearing 15-crown-5 ether rings on the metallated phenyls offers such a possibility providing the adequate environment for the formation of the sandwiched [K(metalacycle-15-crown-5)2] moiety...
March 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28296557/point-of-care-ultrasound-in-the-academic-training-of-palliative-medicine-residents
#10
Alejandro Vargas-Bermúdez, Andrea Valverde-Vega, Karla Vargas-Aguilar, Andrea Espinoza-Sánchez
No abstract text is available yet for this article.
March 15, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28296368/-relation-of-red-cell-distribution-width-and-mean-platelet-volume-with-the-severity-of-preeclampsia
#11
Jesús Antonio Viana-Rojas, Alejandro Rosas-Cabral, Jorge Prieto-Macías, Ma Carmen Terrones-Saldívar, Patricia Arcos-Noguez, Julieta Bermúdez-Gómez, Lidia Estephanie Martínez-Padilla, Darío Alejandro Sandoval-Valdez, Flavio Hernández-González, Leopoldo César Serrano-Díaz
BACKGROUND: It has been established a strong association between the red cell distribution width (RDW) and mean platelet volume (MPV) with hypertension in non-pregnant patients. However, few studies have been performed in patients with preeclampsia, yielding inconsistent results. Our aim is to evaluate the relationship between RDW and MPV with the severity of preeclampsia. METHODS: Analytic cross-sectional study. We include 64 patients with preeclampsia (26 mild, 38 severe) and 70 patients with normotensive pregnancy...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28284618/a-proteomic-analysis-of-the-iron-response-of-photobacterium-damselae-subsp-damselae-reveals-metabolic-adaptations-to-iron-levels-changes-and-novel-potential-virulence-factors
#12
Beatriz Puentes, Miguel Balado, José Bermúdez-Crespo, Carlos R Osorio, Manuel L Lemos
Photobacterium damselae subsp. damselae (Pdd) is a marine bacterium that can infect numerous species of marine fish as well as other species including humans. Low iron availability is one of the signs that bacterial pathogens can detect in order to begin colonizing their host, and the reduction of iron levels is a nonspecific host defense strategy that prevents bacterial proliferation. In this work a proteomic approach was used to study the gene expression adaptations of a Pdd strain in response to iron availability...
March 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28278463/band-selection-for-nonlinear-unmixing-of-hyperspectral-images-as-a-maximal-clique-problem
#13
Tales Imbiriba, Jose Carlos Bermudez, Cedric Richard
Kernel-based nonlinear mixing models have been applied to unmix spectral information of hyperspectral images when the type of mixing occurring in the scene is too complex or unknown. Such methods, however, usually require the inversion of matrices of sizes equal to the number of spectral bands. Reducing the computational load of these methods remains a challenge in large scale applications. This paper proposes a centralized band selection (BS) method for supervised unmixing in the reproducing kernel Hilbert space (RKHS)...
March 1, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28276564/dietary-fatty-acids-on-aortic-root-calcification-in-mice-with-metabolic-syndrome
#14
Maria C Naranjo, Beatriz Bermudez, Indara Garcia, Sergio Lopez, Rocio Abia, Francisco J G Muriana, Sergio Montserrat-de la Paz
Metabolic syndrome (MetS) is associated with obesity, dyslipidemia, type 2 diabetes, and chronic low-grade inflammation. The aim of this study was to determine the role of high-fat low-cholesterol diets (HFLCDs) rich in SFAs (HFLCD-SFAs), MUFAs (HFLCD-MUFAs) or MUFAs plus omega-3 long-chain PUFAs (HFLCD-PUFAs) on vascular calcification by the modulation of the RANKL/RANK/OPG system in the aortic roots of Lep(ob/ob)LDLR(-/-) mice. Animals fed with HFLCD-SFAs had increased weight and a greater atheroma plaque size, calcification, and RANKL/CATHK expression in the aortic root than mice on MUFA-enriched diets, with an increasing OPG expression in the aortic roots of the latter...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28267509/complexation-of-hydroxytyrosol-and-3-4-dihydroxyphenylglycol-with-pectin-and-their-potential-use-for-colon-targeting
#15
Alejandra Bermúdez-Oria, Guillermo Rodríguez-Gutiérrez, Fátima Rubio-Senent, Antonio Lama-Muñoz, Juan Fernández-Bolaños
Hydroxytyrosol (HT) and 3,4-dihydroxyphenylglycol (DHPG) are two phenolic antioxidants naturally found in olive fruit with anti-inflammatory properties. This study explored the interaction of pectin with HT and DHPG via their encapsulation into pectinate beads. Purification by size exclusion chromatography, changes in the fluorescence spectrum of the HT and pectin, and MALDI TOF-TOF analysis suggested the existence of the phenol-pectin complexes. The entrapment efficiency, swelling properties, and in vitro release of HT and DHPG of the beads were studied...
May 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28266693/fine-needle-thyroid-aspiration-biopsy-clinical-experience-at-the-endocrinology-clinics-of-the-university-hospital-of-puerto-rico
#16
Milliette Alvarado-Santiago, Dalitza Alvarez-Valentin, Oscar Ruiz-Bermudez, Lorena Gonzalez-Sepulveda, Myriam Allende-Vigo, Eduardo Santiago-Rodriguez, Sona Rivas-Tumanyan
OBJECTIVE: This study aimed to establish a profile of the ultrasound-guided thyroid fine-needle aspiration biopsies (FNABs) performed at the endocrinology clinics of the University Hospital of Puerto Rico. METHODS: A retrospective study was conducted to assess all the thyroid FNABs performed from July 1, 2011, to December 31, 2013. Data on socio-demographic, FNAB cytology, surgery, and histopathology were collected from medical records. A chi-square test was used to assess associations between predictors and outcome...
March 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/28264688/socio-economic-factors-linked-with-mental-health-during-the-recession-a-multilevel-analysis
#17
Isabel Ruiz-Pérez, Clara Bermúdez-Tamayo, Miguel Rodríguez-Barranco
BACKGROUND: Periods of financial crisis are associated with higher psychological stress among the population and greater use of mental health services. The objective is to analyse contextual factors associated with mental health among the Spanish population during the recession. METHODOLOGY: Cross-sectional, descriptive study of two periods: before the recession (2006) and after therecession (2011-2012). The study population comprised individuals aged 16+ years old, polled for the National Health Survey...
March 6, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28259655/accumbens-volumes-are-reduced-among-crack-cocaine-users
#18
Silvia Bassani Schuch-Goi, Pedro Domingues Goi, Mariane Bermudez, Leticia Schwanck Fara, Félix Paim Kessler, Flavio Pechansky, Clarissa Severino Gama, Raffael Massuda, Lisia von Diemen
The brain reward system is known to be the neuroanatomical basis of addictive behaviors. Systemic, cognitive and functional consequences of crack-cocaine addiction are clinically evident, but the neuroanatomical underpinnigs are not yet well understood. We aim to assess the neuroanatomical differences between crack-cocaine patients and paired healthy controls. Fifteen crack-cocaine patients recently discharged from the Addiction Unit of the Hospital de Clínicas de Porto Alegre and fifteen controls matched for gender, age, education and handedness were scanned using a Philips Achieva 1...
March 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28259477/benzodiazepine-prescriptions-and-falls-in-older-men-and-women
#19
Monica Martinez-Cengotitabengoa, Maria Jose Diaz-Gutierrez, Ariadna Besga, Cristina Bermúdez-Ampudia, Purificación López, Marta B Rondon, Donna E Stewart, Patricia Perez, Miguel Gutierrez, Ana Gonzalez-Pinto
OBJECTIVE: Despite cautions by professional associations, benzodiazepines (BZD) and Z hypnotics (BZD/Z) are widely prescribed to older adults who are particularly susceptible to insomnia and anxiety, but who are also more sensitive to drugs adverse events. In this study, we assessed the prescription of BZD/Z drugs in a sample of older adults (≥65) who presented for emergency care after a fall. METHODS: We collected the type, number and dose of BZD/Z drugs prescribed and explored gender differences in the prescription...
March 2, 2017: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/28257703/-gaceta-sanitaria-in-2016-a-new-stage-the-strengthening-of-e-gaceta-and-its-internationalisation
#20
EDITORIAL
Clara Bermúdez-Tamayo, Miguel Negrín Hernández, Julia Bolívar, Erica Briones Vozmediano, David Cantarero, Mercedes Carrasco Portiño, Gonzalo Casino, Enrique Castro Sánchez, Mar García Calvente, Laura Inés González Zapata, David Epstein, Mariano Hernán, Cristina Linares, Leila Posenato García, María Teresa Ruiz Cantero, Andreu Segura, María Victoria Zunzunegui, Javier Arias, Iñaki Galán, Rosana Peiró, Carlos Álvarez-Dardet
No abstract text is available yet for this article.
March 2017: Gaceta Sanitaria
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