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https://www.readbyqxmd.com/read/28738090/maternal-25-oh-d-concentrations-%C3%A2-40-ng-ml-associated-with-60-lower-preterm-birth-risk-among-general-obstetrical-patients-at-an-urban-medical-center
#1
Sharon L McDonnell, Keith A Baggerly, Carole A Baggerly, Jennifer L Aliano, Christine B French, Leo L Baggerly, Myla D Ebeling, Charles S Rittenberg, Christopher G Goodier, Julio F Mateus Niño, Rebecca J Wineland, Roger B Newman, Bruce W Hollis, Carol L Wagner
BACKGROUND: Given the high rate of preterm birth (PTB) nationwide and data from RCTs demonstrating risk reduction with vitamin D supplementation, the Medical University of South Carolina (MUSC) implemented a new standard of care for pregnant women to receive vitamin D testing and supplementation. OBJECTIVES: To determine if the reported inverse relationship between maternal 25(OH)D and PTB risk could be replicated at MUSC, an urban medical center treating a large, diverse population...
2017: PloS One
https://www.readbyqxmd.com/read/28737879/-visceral-leishmaniasis-pediatric-case-report
#2
Andrés Gomila H, Carolina Vanzo, Analía Garnero, Luisina Peruzzo, Mónica Badalotti
La leishmaniasis es una enfermedad causada por parásitos obligados intracelulares pertenecientes al género Leishmania y que reconoce tres formas clínicas principales: cutánea, visceral y mucocutánea. Es una patología del grupo de las "enfermedades desatendidas". Es la única enfermedad tropical transmitida a través de vectores que se ha mantenido endémica por décadas en el sur de Europa. La leishmaniasis visceral representa la forma más grave. Se caracteriza por fiebre, pérdida de peso, anemia y hepatoesplenomegalia...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28737863/tendencia-de-los-egresos-hospitalarios-por-enfermedades-infecciosas-intestinales-en-ni%C3%A3-os-en-argentina-2005-2013
#3
Juan I Degiuseppe
INTRODUCTION: Acute diarrhea is one of the most serious public health problems in developing countries because it is generally associated with unfavorable living conditions. The objective of this study was to analyze trends in hospital discharges for intestinal infectious disease in children under age 5 recorded in official public hospitals from Argentina in the 2005-2013 period. POPULATION AND METHODS: This was an ecological, time-series study based on data provided by the Health Statistics and Information Department, at a national and regional level...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28734764/comparative-genomic-analysis-of-mycobacterium-tuberculosis-beijing-like-strains-revealed-specific-genetic-variations-associated-with-virulence-and-drug-resistance
#4
Juan Germán Rodríguez-Castillo, Camilo Pino, Luis Fernando Niño, Juan Carlos Rozo, Claudia Llerena-Polo, Carlos A Parra-López, Andreas Tauch, Martha Isabel Murcia-Aranguren
Isolates of the Mycobacterium tuberculosis lineage 2/East-Asian are considered one of the most successful strains due to their increased pathogenicity, hyper-virulence associated with drug resistance, and high transmission. Recent studies in Colombia have shown that the Beijing-like genotype is associated with multidrug-resistance and high prevalence in the southwest of the country, but the genetic basis of its success in dissemination is unknown. In contribution to this matter, we obtained the whole sequences of six genomes of clinical isolates assigned to the Beijing-like genotype...
July 19, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28734286/communication-light-driven-remote-control-of-microgels-size-in-the-presence-of-photosensitive-surfactant-complete-phase-diagram
#5
Selina Schimka, Yulia D Gordievskaya, Nino Lomadze, Maren Lehmann, Regine von Klitzing, Artem M Rumyantsev, Elena Yu Kramarenko, Svetlana Santer
Here we report on a light triggered remote control of microgel size in the presence of photosensitive surfactant. The hydrophobic tail of the cationic surfactant contains azobenzene group that undergoes a reversible photo-isomerization reaction from a trans- to a cis-state accompanied by a change in the hydrophobicity of the surfactant. We have investigated light assisted behaviour and the complex formation of the microgels with azobenzene containing surfactant over the broad concentrational range starting far below and exceeding several times of the critical micelle concentration (CMC)...
July 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28732605/prediction-of-postoperative-intraocular-lens-tilt-using-swept-source-optical-coherence-tomography
#6
Nino Hirnschall, Tobias Buehren, Ferid Bajramovic, Michael Trost, Tanja Teuber, Oliver Findl
PURPOSE: To compare crystalline lens tilt in eyes before and intraocular lens (IOL) tilt in eyes after cataract surgery using swept-source optical coherence tomography (SS-OCT) (IOLMaster 700). SETTING: Hanusch Hospital, Vienna, Austria. DESIGN: Prospective case series. METHODS: Patients' eyes were scanned 1 week before and 2 months after cataract surgery with IOL implantation using an SS-OCT device. This device performs B-scans along 6 meridians (0, 30, 60, 90, 120, and 150 degrees) to determine lens and IOL tilt...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28729950/alder-and-the-golden-fleece-high-diversity-of-frankia-and-ectomycorrhizal-fungi-revealed-from-alnus-glutinosa-subsp-barbata-roots-close-to-a-tertiary-and-glacial-refugium
#7
Melanie Roy, Adrien C Pozzi, Raphaëlle Gareil, Melissande Nagati, Sophie Manzi, Imen Nouioui, Nino Sharikadze, Patricia Jargeat, Hervé Gryta, Pierre-Arthur Moreau, Maria P Fernandez, Monique Gardes
BACKGROUND: Recent climatic history has strongly impacted plant populations, but little is known about its effect on microbes. Alders, which host few and specific symbionts, have high genetic diversity in glacial refugia. Here, we tested the prediction that communities of root symbionts survived in refugia with their host populations. We expected to detect endemic symbionts and a higher species richness in refugia as compared to recolonized areas. METHODS: We sampled ectomycorrhizal (EM) root tips and the nitrogen-fixing actinomycete Frankia communities in eight sites colonized by Alnus glutinosa subsp...
2017: PeerJ
https://www.readbyqxmd.com/read/28729610/mean-bias-in-seasonal-forecast-model-and-enso-prediction-error
#8
Seon Tae Kim, Hye-In Jeong, Fei-Fei Jin
This study uses retrospective forecasts made using an APEC Climate Center seasonal forecast model to investigate the cause of errors in predicting the amplitude of El Niño Southern Oscillation (ENSO)-driven sea surface temperature variability. When utilizing Bjerknes coupled stability (BJ) index analysis, enhanced errors in ENSO amplitude with forecast lead times are found to be well represented by those in the growth rate estimated by the BJ index. ENSO amplitude forecast errors are most strongly associated with the errors in both the thermocline slope response and surface wind response to forcing over the tropical Pacific, leading to errors in thermocline feedback...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28725915/ikk%C3%AE-inhibition-prevents-fat-induced-beta-cell-dysfunction-in-vitro-and-in-vivo-in-rodents
#9
Aleksandar Ivovic, Andrei I Oprescu, Khajag Koulajian, Yusaku Mori, Judith A Eversley, Liling Zhang, Rodolfo Nino-Fong, Gary F Lewis, Marc Y Donath, Michael Karin, Michael B Wheeler, Jan Ehses, Allen Volchuk, Catherine B Chan, Adria Giacca
AIMS/HYPOTHESIS: We have previously shown that oxidative stress plays a causal role in beta cell dysfunction induced by fat. Here, we address whether the proinflammatory kinase inhibitor of (nuclear factor) κB kinase β (IKKβ), which is activated by oxidative stress, is also implicated. METHODS: Fat (oleate or olive oil) was infused intravenously in Wistar rats for 48 h with or without the IKKβ inhibitor salicylate. Thereafter, beta cell function was evaluated in vivo using hyperglycaemic clamps or ex vivo in islets isolated from fat-treated rats...
July 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28724896/unprecedented-drought-over-tropical-south-america-in-2016-significantly-under-predicted-by-tropical-sst
#10
Amir Erfanian, Guiling Wang, Lori Fomenko
Tropical and sub-tropical South America are highly susceptible to extreme droughts. Recent events include two droughts (2005 and 2010) exceeding the 100-year return value in the Amazon and recurrent extreme droughts in the Nordeste region, with profound eco-hydrological and socioeconomic impacts. In 2015-2016, both regions were hit by another drought. Here, we show that the severity of the 2015-2016 drought ("2016 drought" hereafter) is unprecedented based on multiple precipitation products (since 1900), satellite-derived data on terrestrial water storage (since 2002) and two vegetation indices (since 2004)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720811/some-coral-diseases-track-climate-oscillations-in-the-caribbean
#11
C J Randall, R van Woesik
Disease outbreaks continue to reduce coral populations worldwide. Understanding coral diseases and their relationships with environmental drivers is necessary to forecast disease outbreaks, and to predict future changes in coral populations. Yet, the temporal dynamics of coral diseases are rarely reported. Here we evaluate trends and periodicities in the records of three common coral diseases (white-band disease, yellow-band disease, and dark-spot syndrome) that were surveyed between 1997 and 2014 at 2082 sites throughout the Caribbean...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717231/a-connection-from-stratospheric-ozone-to-el-ni%C3%A3-o-southern-oscillation
#12
Desmond Manatsa, Geoffrey Mukwada
We use reanalysis and observational data to link the lower stratospheric ozone regulation of the ultraviolet radiation (UV-B) component of solar energy to ENSO modulation. Results indicate that during ENSO extremes, the Walker Circulation (WC) and Brewer Dobson Circulation are related to lower stratospheric ozone alterations east of the date line over the Pacific. These in turn are linked to upper tropospheric anomalous dipole temperature patterns on either side of the equator. The ensuing changes in geopotential height values do not only drive equatorial zonal wind anomalies in the upper troposphere that are reversed at the equatorial surface, but also impact on the intensity of the South Pacific High circulation...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716986/development-of-protein-kinase-g-i%C3%AE-dimerizing-antihypertensive-drugs-are-we-standing-at-the-shore-of-the-rubicon
#13
EDITORIAL
Paula K Bautista-Niño, Anton J M Roks, A H Jan Danser
No abstract text is available yet for this article.
July 17, 2017: Hypertension
https://www.readbyqxmd.com/read/28713348/engineering-strategies-to-decode-and-enhance-the-genomes-of-coral-symbionts
#14
Rachel A Levin, Christian R Voolstra, Shobhit Agrawal, Peter D Steinberg, David J Suggett, Madeleine J H van Oppen
Elevated sea surface temperatures from a severe and prolonged El Niño event (2014-2016) fueled by climate change have resulted in mass coral bleaching (loss of dinoflagellate photosymbionts, Symbiodinium spp., from coral tissues) and subsequent coral mortality, devastating reefs worldwide. Genetic variation within and between Symbiodinium species strongly influences the bleaching tolerance of corals, thus recent papers have called for genetic engineering of Symbiodinium to elucidate the genetic basis of bleaching-relevant Symbiodinium traits...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28712964/on-the-use-of-non-steroidal-anti-inflammatory-drugs-as-rheology-modifiers-for-surfactant-solutions
#15
Pasquino Rossana, Bruno De Gennaro, Danila Gaudino, Nino Grizzuti
Surfactant molecules can give rise to different morphological structures, depending on numerous parameters such as temperature, surfactant concentration and salinity. Specifically, the salt content can be easily tuned in a way to induce morphological transitions and modulate the rheological response. It is shown that non steroidal anti-inflammatory drugs can be used in the same way as classical binding salts in changing the rheological properties of the resulting gel-like system. On the one hand, the experimental results show that by tuning small details in the molecular conformation of the drug and its concentration in the micellar solution it is possible to obtain the desired mechanical response...
July 13, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28712116/multi-century-tree-ring-precipitation-record-reveals-increasing-frequency-of-extreme-dry-events-in-the-upper-blue-nile-river-catchment
#16
Mulugeta Mokria, Aster Gebrekirstos, Abrham Abiyu, Meine Van Noordwijk, Achim Bräuning
Climate-related environmental and humanitarian crisis are important challenges in the Great Horn of Africa (GHA). In the absence of long-term past climate records in the region, tree-rings are valuable climate proxies, reflecting past climate variations and complementing climate records prior to the instrumental era. We established annually resolved multi-century tree-ring chronology from Juniperus procera trees in northern Ethiopia; the longest series yet for the GHA. The chronology correlates significantly with wet-season (r = 0...
July 16, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28711302/potential-selection-of-genetically-balanced-spermatozoa-based-on-the-hypo-osmotic-swelling-test-in-chromosomal-rearrangement-carriers
#17
Alexandre Rouen, Léa Carlier, Solveig Heide, Matthieu Egloff, Pauline Marzin, Flavie Ader, Mathias Schwartz, Eli Rogers, Nicole Joyé, Richard Balet, Nathalie Lédée, Laura Prat-Ellenberg, Nino Guy Cassuto, Jean-Pierre Siffroi
Chromosomal translocations and other balanced rearrangements, although usually associated with a normal phenotype, can lead to the transmission of an abnormal unbalanced genome to the offspring. Balanced and unbalanced spermatozoa, being indistinguishable, cannot be selected or deselected for prior to IVF and pre-implantation genetic diagnosis. Spermatozoa from 16 chromosomal rearrangement carriers were studied. After incubation in a hypo-osmotic solution (hypo-osmotic swelling test, or HOST), spermatozoa were fixed on microscope slides...
June 27, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28711167/perioperative-management-of-hypertensive-neuroblastoma-a-study-from-the-italian-group-of-pediatric-surgical-oncologists-gicop
#18
Luca Pio, Stefano Avanzini, Girolamo Mattioli, Giuseppe Martucciello, Angela Rita Sementa, Massimo Conte, Annarita Gigliotti, Claudio Granata, Ernesto Leva, Anna Maria Fagnani, Umberto Caccioppoli, Nino Tedesco, Jurgen Schleef, Elisa Tirtei, Fortunato Siracusa, Paolo D'Angelo, Pierluigi Lelli Chiesa, Lucia Miglionico, Bruno Noccioli, Elisa Severi, Claudio Carlini, Francesco Vaccarella, Francesco Camoglio, Simone Cesaro, Alessandra Narciso, Giovanna Riccipetitoni, Giovanni Cecchetto, Alessandro Inserra
BACKGROUND: Hypertension (HT) is rarely reported in patients affected by Neuroblastoma (NB), and management guidelines are lacking. Clinical features and perioperative medical treatment in such patients were reviewed to 1) ascertain whether a shared treatment strategy exists among centers and 2) if possible, propose some recommendations for the perioperative management of HT in NB patients. METHODS: A retrospective multicenter survey was conducted on patients affected by NB who presented HT symptoms...
July 3, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28708605/modal-analysis-of-annual-runoff-volume-and-sediment-load-in-the-yangtze-river-lake-system-for-the-period-1956-2013
#19
Huai Chen, Lijun Zhu, Jianzhong Wang, Hongxia Fan, Zhihuan Wang
This study focuses on detecting trends in annual runoff volume and sediment load in the Yangtze river-lake system. Times series of annual runoff volume and sediment load at 19 hydrological gauging stations for the period 1956-2013 were collected. Based on the Mann-Kendall test at the 1% significance level, annual sediment loads in the Yangtze River, the Dongting Lake and the Poyang Lake were detected with significantly descending trends. The power spectrum estimation indicated predominant oscillations with periods of 8 and 20 years are embedded in the runoff volume series, probably related to the El Niño Southern Oscillation (2-7 years) and Pacific Decadal Oscillation (20-30 years)...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28699997/accuracy-of-a-pediatric-early-warning-score-in-the-recognition-of-clinical-deterioration
#20
Juliana de Oliveira Freitas Miranda, Climene Laura de Camargo, Carlito Lopes Nascimento, Daniel Sales Portela, Alan Monaghan
Objective: to evaluate the accuracy of the version of the Brighton Pediatric Early Warning Score translated and adapted for the Brazilian context, in the recognition of clinical deterioration. Method: a diagnostic test study to measure the accuracy of the Brighton Pediatric Early Warning Score for the Brazilian context, in relation to a reference standard. The sample consisted of 271 children, aged 0 to 10 years, blindly evaluated by a nurse and a physician, specialists in pediatrics, with interval of 5 to 10 minutes between the evaluations, for the application of the Brighton Pediatric Early Warning Score for the Brazilian context and of the reference standard...
July 10, 2017: Revista Latino-americana de Enfermagem
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