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https://www.readbyqxmd.com/read/28447104/bmp-type-ii-receptor-as-a-therapeutic-target-in-pulmonary-arterial-hypertension
#1
REVIEW
Mar Orriols, Maria Catalina Gomez-Puerto, Peter Ten Dijke
Pulmonary arterial hypertension (PAH) is a chronic disease characterized by a progressive elevation in mean pulmonary arterial pressure. This occurs due to abnormal remodeling of small peripheral lung vasculature resulting in progressive occlusion of the artery lumen that eventually causes right heart failure and death. The most common cause of PAH is inactivating mutations in the gene encoding a bone morphogenetic protein type II receptor (BMPRII). Current therapeutic options for PAH are limited and focused mainly on reversal of pulmonary vasoconstriction and proliferation of vascular cells...
April 26, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28445239/aldosterone-and-vascular-mineralocorticoid-receptors-in-murine-endotoxic-and-human-septic-shock
#2
Fouad Fadel, Gwennan André-Grégoire, Basile Gravez, Brigitte Bauvois, Sandrine Bouchet, Catalina Sierra-Ramos, Andrea Polito, Arnaud Mansart, Diego Alvarez de la Rosa, Djillali Annane, Frédéric Jaisser
OBJECTIVES: Vascular mineralocorticoid receptors play a role in vascular tone and blood pressure regulation, might participate in the pathophysiology of circulatory failure during sepsis, and represent a potential therapeutic target in this disease. We aimed to study the effects of mineralocorticoids and the involvement of vascular mineralocorticoid receptors in murine endotoxic and human septic shock. DESIGN: Experimental study. SETTING: Translational investigation including animal research and in vitro experiments using human vascular cells and plasma from septic patients...
April 25, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28439680/microbiological-evaluation-of-infected-pelvic-lymphocele-after-robotic-prostatectomy-potential-predictors-for-culture-positivity-and-selection-of-the-best-empirical-antimicrobial-therapy
#3
Alaa Hamada, Catalina Hwang, Jorge Fleisher, Ingolf Tuerk
OBJECTIVES: To examine symptomatology and microbiology of infected lymphocele (LC) post-robotic-assisted radical prostatectomy and pelvic lymph node dissection (PLND) and to assess for potential predictors for LC fluid culture positivity. Secondly, to provide general recommendations about use of select antimicrobial therapy. METHODS: This was a single-center, IRB-approved, retrospective, case series review conducted between October 2008 and October 2014. Data included symptomatology, microbiology of symptomatic LC in men post-robotic prostatectomy and PLND...
April 24, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28437284/a-retrospective-study-on-mycophenolic-acid-drug-interactions-effect-of-prednisone-sirolimus-and-tacrolimus-with-mpa
#4
Ana Catalina Alvarez-Elías, Elisa Catherine Yoo, Ekaterina Kirilova Todorova, Ram Nivas Singh, Guido Filler
Mycophenolic acid (MPA), the active compound of mycophenolate mofetil (MMF), is widely used as an antirejection drug following renal transplantation. There is growing evidence supporting the notion that there is substantial variability in the intra- and inter-patient exposure to MPA. Drug interactions involving MPA with tacrolimus, steroids, and sirolimus have been understudied. The objective of this study was to determine the relationship between MPA, steroids, tacrolimus, and sirolimus. MPA trough concentrations from 37 pediatric renal transplant recipients (mean age 7...
April 6, 2017: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/28436013/chronic-unilateral-and-erythematous-lesions-on-the-foot-of-a-pediatric-patient-a-clinicopathological-challenge
#5
Jeremy Udkoff, Denise Malicki, Catalina Matiz
No abstract text is available yet for this article.
April 23, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28435075/development-of-oral-lyophilisates-containing-meloxicam-nanocrystals-using-qbd-approach
#6
Sonia Iurian, Cătălina Bogdan, Ioan Tomuță, Piroska Szabó-Révész, Anita Chvatal, Sorin E Leucuța, Mirela Moldovan, Rita Ambrus
The aim of this study was to develop oral lyophilisates with improved meloxicam (MEL) dissolution, optimizing each step of the preparation by design of experiments. First, meloxicam nanosuspensions were prepared by high-pressure homogenization (HPH), using PVP, Poloxamer or PEG as stabilizers and were subjected to freeze-drying using mannitol as cryoprotectant. The effects of the stabilizers and cryoprotectant were assessed and an optimal formulation was generated within the Design Space where the particle sizes and the PDIs are at their lowest values...
April 20, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28434220/effects-of-the-backbone-and-chemical-linker-on-the-molecular-conductance-of-nucleic-acid-duplexes
#7
Edward Beall, Selma Ulku, Chaoren Liu, Emil Wierzbinski, Y Zhang, Yookyung Bae, Peng Zhang, Catalina Achim, David N Beratan, David H Waldeck
Scanning tunneling microscope-break junction measurements are used to examine how the molecular conductance of nucleic acids depends on the composition of their backbone and the linker group to the electrodes. Molecular conductances of 10-base pair long homoduplexes of DNA, aeg-PNA, γ-PNA, and a heteroduplex of DNA/aeg-PNA with identical nucleobase sequence were measured. The molecular conductance was found to vary by 12 to 13 times with the change in backbone. Computational studies show that the molecular conductance differences between nucleic acids of different backbones correlate with differences in backbone structural flexibility...
April 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28433878/effect-of-freshwater-sediment-characteristics-on-the-persistence-of-fecal-indicator-bacteria-and-genetic-markers-within-a-southern-california-watershed
#8
Amity G Zimmer-Faust, Vanessa Thulsiraj, Catalina Marambio-Jones, Yiping Cao, John F Griffith, Patricia A Holden, Jennifer A Jay
In this study, the aging of culturable FIB and DNA representing genetic markers for Enterococcus spp. (ENT1A), general Bacteroides (GB3), and human-associated Bacteroides (HF183) in freshwater sediments was evaluated. Freshwater sediment was collected from four different sites within the upper and lower reach of the Topanga Creek Watershed and two additional comparator sites within the Santa Monica Bay, for a total of six sites. Untreated (ambient) and oven-dried (reduced microbiota) sediment was inoculated with 5% sewage and artificial freshwater...
April 18, 2017: Water Research
https://www.readbyqxmd.com/read/28426090/oleuropein-down-regulated-il-1%C3%AE-induced-inflammation-and-oxidative-stress-in-human-synovial-fibroblast-cell-line-sw982
#9
Maria Luisa Castejón, Maria Ángeles Rosillo, Tatiana Montoya, Alejandro González-Benjumea, Jose Maria Fernández-Bolaños, Catalina Alarcón-de-la-Lastra
Rheumatoid arthritis (RA) is a chronic and systemic inflammatory autoimmune disease mainly characterized by aggressive hyperproliferation of synovial fibroblasts (SFs). It is accompained by a massive infiltration of inflammatory immune cells inducing progressive matrix degradation, destruction of cartilage and bone erosion through the production of inflammatory mediators. Oleuropein is the most prevalent phenolic component in olive leaves, seed, pulp and peel of unripe olives and is responsible for the characteristic bitter taste of unprocessed olives...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28423833/hl7-fhir-ontological-reinterpretation-of-medication-resources
#10
Catalina Martinez-Costa, Stefan Schulz
"A solid ontology-based analysis with a rigorous formal mapping for correctness" is one of the ten reasons why the HL7 standard Fast Healthcare Interoperability Resources (FHIR) is advertised to be better than other standards for EHR interoperability. In this paper, we aim at contributing to this formal analysis by proposing an RDF representation of a subset of FHIR resources based on a highly constrained top-level ontology and guided by the use of a set of Content Ontology Design Patterns (Content ODPs) for representing clinical information...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423832/building-snomed-ct-post-coordinated-expressions-from-annotation-groups
#11
Jose Antonio Miñarro-Giménez, Catalina Martínez-Costa, Pablo López-García, Stefan Schulz
SNOMED CT supports post-coordination, a technique to combine clinical concepts to ontologically define more complex concepts. This technique follows the validity restrictions defined in the SNOMED CT Concept Model. Pre-coordinated expressions are compositional expressions already in SNOMED CT, whereas post-coordinated expressions extend its content. In this project we aim to evaluate the suitability of existing pre-coordinated expressions to provide the patterns for composing typical clinical information based on a defined list of sets of interrelated SNOMED CT concepts...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28423831/the-biotop-family-of-upper-level-ontological-resources-for-biomedicine
#12
Stefan Schulz, Martin Boeker, Catalina Martinez-Costa
BioTop is a domain upper level ontology for the life sciences, based on OWL DL, introduced ten years ago. This paper provides an update of the current state of this resource, with a special focus on BioTop's top level, BioTopLite, which currently contains 55 classes, 37 object properties and 247 description logics axioms. A bridging file allows harmonising BioTopLite with the classes of Basic Formal Ontology BFO2. The updated OWL resources are available at http://purl.org/biotop. They build the core of several upper level ontological artefacts including bridging ontologies to other upper level resources...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28419848/toll-like-receptor-activation-vascular-endothelial-function-and-hypertensive-disorders-of-pregnancy
#13
REVIEW
Dakshnapriya Balasubbramanian, Catalina A Lopez Gelston, Brett M Mitchell, Piyali Chatterjee
Aberrant innate immune system activation in the mother contributes greatly to the development of hypertension during pregnancy. Numerous groups have elicited vascular inflammation, endothelial dysfunction, and hypertension in animals during gestation by directly activating Toll-like receptors. Additionally, several experimental therapies that reduce pro-inflammatory immune cells and cytokines restore vascular endothelial function and normalize blood pressure. This review will summarize the research demonstrating that an excessive maternal innate immune response is sufficient to cause vascular inflammation and endothelial dysfunction, which contributes to the development of hypertension during pregnancy...
April 15, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28419665/lettuce-produced-hepatitis-c-virus-e1e2-heterodimer-triggers-immune-responses-in-mice-and-antibody-production-after-oral-vaccination
#14
Jihong Liu Clarke, Lisa Paruch, Mihaela-Olivia Dobrica, Iuliana Caras, Catalin Tucureanu, Adrian Onu, Sonya Ciulean, Crina Stavaru, Andre Eerde, Yanliang Wang, Hege Steen, Sissel Haugslien, Catalina Petrareanu, Catalin Lazar, Ioan Popescu, Ralph Bock, Jean Dubuisson, Norica Branza-Nichita
The hepatitis C virus (HCV) is a major etiologic agent for severe liver diseases (e.g., cirrhosis, fibrosis and hepatocellular carcinoma). Approximately 140 million people have chronic HCV infections and about 500,000 die yearly from HCV-related liver pathologies. To date, there is no licenced vaccine available to prevent HCV infection and production of an HCV vaccine remains a major challenge. Here we report the successful production of the HCV E1E2 heterodimer, an important vaccine candidate, in an edible crop (lettuce, Lactuca sativa) using Agrobacterium-mediated transient expression technology...
April 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28419490/european-cowpea-landraces-for-a-more-sustainable-agriculture-system-and-novel-foods
#15
Márcia Carvalho, Penelope J Bebeli, Graça Pereira, Isaura Castro, Catalina Egea-Gilabert, Manuela Matos, Efstathia Lazaridi, Isabel Duarte, Teresa Lino-Neto, Georgia Ntatsi, Miguel Rodrigues, Dimitrios Savvas, Eduardo Rosa, Valdemar Carnide
BACKGROUND: Genetic diversity is fundamental for breeding programs and consequently has an important role to obtain new varieties. To properly use the genetic diversity present in germplasm collections, a good knowledge of the agro-morphological traits of each accession is needed. The aim of this study was to explore the production capacity of 24 cowpea landraces from Southern Europe, through phenotypic characterization and evaluation in three different locations of Greece and Portugal...
April 17, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28418097/genome-and-epigenome-of-a-novel-marine-thaumarchaeota-strain-suggest-viral-infection-phosphorothioation-dna-modification-and-multiple-restriction-systems
#16
Nathan A Ahlgren, Yangyang Chen, David M Needham, Alma E Parada, Rohan Sachdeva, Vicki Trinh, Ting Chen, Jed A Fuhrman
Marine Thaumarchaeota are abundant ammonia-oxidizers but have few representative laboratory-cultured strains. We report the cultivation of Candidatus Nitrosomarinus catalina SPOT01, a novel strain that is less warm-temperature tolerant than other cultivated Thaumarchaeota. Using metagenomic recruitment, strain SPOT01 comprises a major portion of Thaumarchaeota (4-54%) in temperate Pacific waters. Its complete 1.36 Mbp genome possesses several distinguishing features: putative phosphorothioation (PT) DNA modification genes; a region containing probable viral genes; and putative urea utilization genes...
April 18, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28411269/novel-regulatory-mechanisms-for-the-soxc-transcriptional-network-required-for-visual-pathway-development
#17
Kun-Che Chang, Jonathan Hertz, Xiong Zhang, Xiao-Lu Jin, Peter Shaw, Brooke A Derosa, Janet Y Li, Praseeda Venugopalan, Daniel A Valenzuela, Roshni D Patel, Kristina R Russano, Shomoukh A Alshamekh, Catalina Sun, Kevin Tenerelli, Chenyi Li, Dmitri Velmeshev, Yuyan Cheng, Timothy M Boyce, Alexandra Dreyfuss, Mohammed S Uddin, Kenneth J Muller, Derek M Dykxhoorn, Jeffrey L Goldberg
What pathways specify retinal ganglion cell (RGC) fate in the developing retina? Here we report on mechanisms by which a molecular pathway involving Sox4/Sox11 is required for RGC differentiation and for optic nerve formation in mice in vivo, and is sufficient to differentiate human induced pluripotent stem cells into electrophysiologically active RGCs. These data place Sox4 downstream of RE1 silencing transcription factor (REST) in regulating RGC fate, and further describe a newly identified, Sox4-regulated SUMOylation site in Sox11, which suppresses Sox11's nuclear localization and its ability to promote RGC differentiation, providing a mechanism for the SoxC familial compensation observed here and elsewhere in the nervous system...
April 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28404669/retinopathy-of-prematurity-screening-and-treatment-in-costa-rica
#18
Ana Catalina Tabarez-Carvajal, Milagro Montes-Cantillo, Kelly H Unkrich, Rupal H Trivedi, Mae Millicent Winfrey Peterseim
AIM: To determine the recent demographic data, risk factors and results of retinopathy of prematurity (ROP) screening and treatment in Costa Rica. METHODS: The medical records of all preterm infants meeting ROP screening criteria (≤34 weeks' gestational age (GA) or birth weight (BW) ≤1750g, and those determined at risk by neonatologists) in the national healthcare system, Costa Rica, January 2010-December 2014, were retrospectively reviewed. The numbers and percentages of infants with ROP, risk factors, percentage of patients treated and treatment outcomes were determined...
April 12, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28402002/mental-health-and-associated-factors-among-young-offenders-in-chile-a-cross-sectional-study
#19
Jorge Gaete, Nicolas Labbé, Paloma Del Villar, Catalina Allende, Ricardo Araya, Eduardo Valenzuela
BACKGROUND: Few studies in Latin America have explored mental disorder among young offenders, or variables associated with it. AIMS: Our aim was to test for associations between childhood adversity or substance misuse and psychiatric disorders among young offenders. METHODS: Sentenced adolescent offenders were recruited from young offenders' institutions or community centres provided by the Chilean National Service for Minors. Psychiatric disorders were assessed using the Mini International Neuropsychiatric Interview, conducted by trained psychologists...
April 12, 2017: Criminal Behaviour and Mental Health: CBMH
https://www.readbyqxmd.com/read/28395666/hydroxytyrosol-prevents-reduction-in-liver-activity-of-%C3%AE-5-and-%C3%AE-6-desaturases-oxidative-stress-and-depletion-in-long-chain-polyunsaturated-fatty-acid-content-in-different-tissues-of-high-fat-diet-fed-mice
#20
Rodrigo Valenzuela, Francisca Echeverria, Macarena Ortiz, Miguel Ángel Rincón-Cervera, Alejandra Espinosa, María Catalina Hernandez-Rodas, Paola Illesca, Alfonso Valenzuela, Luis A Videla
BACKGROUND: Eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and arachidonic acid (AA, C20:4n-6) are long-chain polyunsaturated fatty acids (LCPUFAs) with relevant roles in the organism. EPA and DHA are synthesized from the precursor alpha-linolenic acid (ALA, C18:3n-3), whereas AA is produced from linoleic acid (LA, C18:2n-6) through the action of Δ5 and Δ6-desaturases. High-fat diet (HFD) decreases the activity of both desaturases and LCPUFA accretion in liver and other tissues...
April 11, 2017: Lipids in Health and Disease
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