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https://www.readbyqxmd.com/read/28231402/ex-vivo-visualization-of-human-ciliated-epithelium-and-quantitative-analysis-of-induced-flow-dynamics-by-using-optical-coherence-tomography
#1
Yuye Ling, Xinwen Yao, Ute A Gamm, Emilio Arteaga-Solis, Charles W Emala, Michael A Choma, Christine P Hendon
BACKGROUND AND OBJECTIVE: Cilia-driven mucociliary clearance is an important self-defense mechanism of great clinical importance in pulmonary research. Conventional light microscopy possesses the capability to visualize individual cilia and its beating pattern but lacks the throughput to assess the global ciliary activities and flow dynamics. Optical coherence tomography (OCT), which provides depth-resolved cross-sectional images, was recently introduced to this area. MATERIALS AND METHODS: Fourteen de-identified human tracheobronchial tissues are directly imaged by two OCT systems: one system centered at 1,300 nm with 6...
February 23, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28231056/temporal-and-regional-variability-in-the-request-of-vitamin-d-from-general-practitioners-in-spain
#2
Maria Salinas, Maite López-Garrigós, Emilio Flores, Carlos Leiva-Salinas
BACKGROUND: Our main goal is to study the inter-practice regional variability and the temporal evolution in the request of 25-hydroxyvitamin D (25[OH]D) by general practitioners (GPs) in Spain. METHODS: Clinical laboratories in different autonomic communities (AACCs) were invited to report the number of 25(OH)D test requested by GPs during 2012 and 2014. The number of 25(OH)D requested per 1000 inhabitants and the index of variability were calculated, and compared between regions and time periods...
February 23, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28230998/influence-of-the-anomeric-conformation-in-the-intermolecular-interactions-of-glucose
#3
Imanol Usabiaga, Jorge González, Iker León, Pedro Felipe Arnaiz, Emilio J Cocinero, Jose A Fernandez
Carbohydrates are together with amino acids, DNA bases and lipids the building blocks of living beings. They play a central role in basic functions as immunity and signaling, which are governed by non-covalent interactions between sugar units and/or with other biomolecules. To get insights on such interactions between monosaccharide units, we used a combination of mass-resolved laser spectroscopy in supersonic expansions and molecular structure calculations. The results obtained clearly demonstrate that the small stability difference between the α/β anomers of glucopyranose derivatives is reversed and amplified during molecular aggregation, making the complexes of the β-anomers significantly more stable...
February 23, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28229472/human-capital-gaps-in-vaccine-development-an-issue-for-global-vaccine-development-and-global-health
#4
Andrea Cawein, Emilio Emini, Michael Watson, Joanna Dailey, John Donnelly, Dina Tresnan, Tom Evans, Stanley Plotkin, William Gruber
Despite the success of vaccines in reducing the morbidity and mortality associated with infectious diseases, many infectious diseases, both newly emerging and well known, lack vaccines. The global capability for beginning-to-end vaccine development has become limited, primarily owing to a scarcity of human capital necessary to guide the development of novel vaccines from the laboratory to the marketplace. Here, we identify and discuss the gaps in human capital necessary for robust vaccine development and make recommendations to begin to address these deficiencies...
February 23, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28228414/moderate-and-sustained-exercise-modulates-muscle-proteolytic-and-myogenic-markers-in-gilthead-sea-bream-sparus-aurata
#5
Emilio J Vélez, Sheida Azizi, Esmail Lutfi, Encarnación Capilla, Alberto Moya, Isabel Navarro, Jaume Fernández-Borràs, Josefina Blasco, Joaquim Gutiérrez
Swimming activity primarily accelerates growth in fish by increasing protein synthesis and energy efficiency. The role of muscle in this process is remarkable and especially important in teleosts, where muscle represents a high percentage of body weight, and by the continuous growth that many fish species present. The aim of this work was to characterize the effects of five weeks of moderate and sustained swimming in gene and protein expression of myogenic regulatory factors, proliferation markers and proteolytic molecules in two muscle regions (anterior and caudal) of gilthead sea bream fingerlings...
February 22, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28221036/review-of-the-assignment-of-the-absolute-configuration-by-nmr-using-chiral-derivatizing-agents-a-practical-guide-the-assignment-of-the-absolute-configuration-by-nmr-using-chiral-derivatizing-agents-a-practical-guide-by-jos%C3%A3-m-seco-emilio-qui%C3%A3-o%C3%A3-and-ricardo
#6
https://www.readbyqxmd.com/read/28218748/hiv-tat-protein-and-amyloid-%C3%AE-peptide-form-multifibrillar-structures-that-cause-neurotoxicity
#7
Alina Hategan, Mario A Bianchet, Joseph Steiner, Elena Karnaukhova, Eliezer Masliah, Adam Fields, Myoung-Hwa Lee, Alex M Dickens, Norman Haughey, Emilios K Dimitriadis, Avindra Nath
Deposition of amyloid-β plaques is increased in the brains of HIV-infected individuals, and the HIV transactivator of transcription (Tat) protein affects amyloidogenesis through several indirect mechanisms. Here, we investigated direct interactions between Tat and amyloid-β peptide. Our in vitro studies showed that in the presence of Tat, uniform amyloid fibrils become double twisted fibrils and further form populations of thick unstructured filaments and aggregates. Specifically, Tat binding to the exterior surfaces of the Aβ fibrils increases β-sheet formation and lateral aggregation into thick multifibrillar structures, thus producing fibers with increased rigidity and mechanical resistance...
February 20, 2017: Nature Structural & Molecular Biology
https://www.readbyqxmd.com/read/28217999/total-synthesis-of-marinisporolide-c
#8
Luiz Carlos Dias, Emilio Carlos de Lucca
The first total synthesis of (-)-marinisporolide C is described, which establishes unequivocally the relative and absolute configuration of this oxopolyene macrolide. Key features of this synthesis include of a series of highly stereoselective aldol reactions followed by directed reductions to build the polyol domain, a Stille cross-coupling reaction to assemble the polyene, and an intramolecular Horner-Wadsworth-Emmons olefination to forge the macrocyclic ring. Despite the initial approach to marinisporolide A using a Yamaguchi macrolactonization reaction that was unsuccessful due to steric hindrance of the oxygen at the C33 position, we were able to prepare a known derivative of marinisporolide A and consequently confirm its stereochemical assignment...
February 20, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28215718/trace-elements-in-unconventional-animals-a-40-year-experience
#9
REVIEW
Emilio Carpenè, Giulia Andreani, Gloria Isani
The role of trace elements in animal health has attracted increasing interest in recent years. The essentiality and toxicity of these elements have been extensively investigated in humans, laboratory animal models and partially in domestic animals, whereas little is known about trace element metabolism in most living organisms. Forty years ago our research started on Cd metabolism in molluscs, thereafter expanding to Zn, Cu, and Fe metabolism in many unconventional animal species of veterinary interest. This review summarizes the main results obtained over this long period of time: some of the findings are original and have not been published to date...
February 10, 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28215465/the-frailty-syndrome-is-associated-with-adverse-health-outcomes-in-very-old-patients-with-stable-heart-failure-a-prospective-study-in-six-spanish-hospitals
#10
Carlos Rodríguez-Pascual, Emilio Paredes-Galán, Ana-Isabel Ferrero-Martínez, Jose-Luis Gonzalez-Guerrero, Mercedes Hornillos-Calvo, Rocio Menendez-Colino, Ivett Torres-Torres, Arturo Vilches-Moraga, Maria-Concepcion Galán, Francisco Suarez-Garcia, Maria-Teresa Olcoz-Chiva, Fernando Rodríguez-Artalejo
BACKGROUND: Most studies on the association between the frailty syndrome and adverse health outcomes in patients with heart failure (HF) have used non-standard definitions of frailty. This study examined the association of frailty, diagnosed by well-accepted criteria, with mortality, readmission and functional decline in very old ambulatory patients with HF. METHODS: Prospective study with 497 patients in six Spanish hospitals and followed up during one year. Mean (SD) age was 85...
February 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28215241/sleep-disorders-in-spinal-muscular-atrophy
#11
Maria C Pera, Domenico M Romeo, Alessandra Graziano, Concetta Palermo, Sonia Messina, Giovanni Baranello, Giorgia Coratti, Maria Massaro, Serena Sivo, Maria Teresa Arnoldi, Elena S Mazzone, Laura Antonaci, Leonardo Lapenta, Emilio Albamonte, Lavinia Fanelli, Roberto de Sanctis, Gian Luca Vita, Maria Sframeli, Marika Pane, Eugenio Mercuri
OBJECTIVE: To estimate the frequency of sleep disorders in young persons with type 2 and type 3 spinal muscular atrophy (SMA), and to evaluate the relationship between sleep disorders and different variables such as motor impairment, age, use of ventilation, and use of night orthoses. METHODS: A total of 85 young persons (6-25 years of age) with type 2 and type 3 SMA were assessed using the Sleep Disturbance Scale for Children (SDSC), a scale assessing different sleep factors, and the Hammersmith Functional Motor Scale Expanded (HFMSE), a scale evaluating motor impairment...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28214577/parafascicular-thalamic-nucleus-deep-brain-stimulation-decreases-nmda-receptor-glun1-subunit-gene-expression-in-the-prefrontal-cortex
#12
Mónica R Fernández-Cabrera, Abraham Selvas, Miguel Miguéns, Alejandro Higuera-Matas, Anna Vale-Martínez, Emilio Ambrosio, Margarita Martí-Nicolovius, Gemma Guillazo-Blanch
The rodent parafascicular nucleus (PFn) or the centromedian-parafascicular complex of primates is a posterior intralaminar nucleus of the thalamus related to cortical activation and maintenance of states of consciousness underlying attention, learning and memory. Deep brain stimulation (DBS) of the PFn has been proved to restore arousal and consciousness in humans and to enhance performance in learning and memory tasks in rats. The primary expected effect of PFn DBS is to induce plastic changes in target neurons of brain areas associated with cognitive function...
February 15, 2017: Neuroscience
https://www.readbyqxmd.com/read/28214547/cerebral-small-vessel-disease-predisposes-to-temporal-lobe-epilepsy-in-spontaneously-hypertensive-rats
#13
Emilio Russo, Antonio Leo, Francesca Scicchitano, Annalidia Donato, Edoardo Ferlazzo, Sara Gasparini, Vittoria Cianci, Chiara Mignogna, Giuseppe Donato, Rita Citraro, Umberto Aguglia, Giovambattista De Sarro
The link between cerebral small vessel disease (CSVD) and epilepsy has been poorly investigated. Some reports suggest that CSVD may predispose to temporal lobe epilepsy (TLE). Aim of this study was to evaluate whether spontaneously hypertensive rats (SHRs), an established model of systemic hypertension and CSVD, have a propensity to develop TLE more than generalized seizures. To this aim, amygdala kindling, as a model of TLE, and pentylenetetrazole (PTZ)-induced kindling, as a model of generalized seizures, have been used to ascertain whether SHRs are more prone to TLE as compared to Wistar Kyoto control rats...
February 15, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28214122/anaerobic-co-digestion-of-recalcitrant-agricultural-wastes-characterizing-of-biochemical-parameters-of-digestate-and-its-impacts-on-soil-ecosystem
#14
Adele Muscolo, Giovanna Settineri, Teresa Papalia, Emilio Attinà, Carmelo Basile, Maria Rosaria Panuccio
Anaerobic digestion (AD) of organic wastes is a promising alternative to landfilling for reducing Greenhouse Gas Emission (GHG) and it is encouraged by current regulation in Europe. Biogas-AD produced, represents a useful source of green energy, while its by-product (digestate) is a waste, that needs to be safely disposal. The sustainability of anaerobic digestion plants partly depends on the management of their digestion residues. This study has been focused on the environmental and economic benefits of co-digest recalcitrant agricultural wastes such olive wastes and citrus pulp, in combination with livestock wastes, straw and cheese whey for biogas production...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28213561/primary-care-requests-for-anaemia-chemistry-tests-in-spain-potential-iron-transferrin-and-folate-over-requesting
#15
Maria Salinas, Maite López-Garrigós, Emilio Flores, Carlos Leiva-Salinas
AIM: To study the regional variability of requests for anaemia chemistry tests in primary care in Spain and the associated economic costs of potential over-requesting. METHODS: Requests for anaemia tests were examined in a cross-sectional study. Clinical laboratories from different autonomous communities (AACCs) were invited to report on primary care anaemia chemistry tests requested during 2014. Demand for iron, ferritin, vitamin B12 and folate tests per 1000 inhabitants and the ratios of the folate/vitamin B12 and transferrin/ferritin requests were compared between AACCs...
February 17, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28212808/next-generation-repeat-free-fish-probes-for-dna-amplification-in-glioblastoma-in-vivo-improving-patient-selection-to-mdm2-targeted-inhibitors
#16
Matteo Brunelli, Albino Eccher, Luca Cima, Tobia Trippini, Serena Pedron, Marco Chilosi, Mattia Barbareschi, Aldo Scarpa, Giampietro Pinna, Giulio Cabrini, Sara Pilotto, Luisa Carbognin, Emilio Bria, Giampaolo Tortora, Adele Fioravanzo, Nicola Schiavo, Mario Meglio, Teodoro Sava, Laura Belli, Guido Martignoni, Claudio Ghimenton
A next-generation FISH probe mapping to the MDM2 locus-specific region has recently been designed. The level of MDM2 gene amplification (high versus low) may allow selection of patients for cancer treatment with MDM2 inhibitors and may predict their responsiveness. We investigated the spectrum of MDM2 gene alterations using the new probes in vivo after visualizing single neoplastic cells in situ from a series of glioblastomas. Signals from next-generation repeat-free FISH interphase probes were identified in tissue microarrays that included 3 spots for each of the 48 cases...
January 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28212623/lysozyme-enhances-the-bactericidal-effect-of-bp100-peptide-against-erwinia-amylovora-the-causal-agent-of-fire-blight-of-rosaceous-plants
#17
Jordi Cabrefiga, Emilio Montesinos
BACKGROUND: Fire blight is an important disease affecting rosaceous plants. The causal agent is the bacteria Erwinia amylovora which is poorly controlled with the use of conventional bactericides and biopesticides. Antimicrobial peptides (AMPs) have been proposed as a new compounds suitable for plant disease control. BP100, a synthetic linear undecapeptide (KKLFKKILKYL-NH2), has been reported to be effective against E. amylovora infections. Moreover, BP100 showed bacteriolytic activity, moderate susceptibility to protease degradation and low toxicity...
February 17, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28212459/structural-studies-of-nicotinoids-cotinine-vs-nicotine
#18
Iciar Uriarte, Cristóbal Pérez, Elena Caballero-Mancebo, Francisco J Basterretxea, Alberto Lesarri, José A Fernández, Emilio J Cocinero
Nicotinoids are agonists of the acetylcholine receptor (nAChR) and play important biochemical and pharmacological roles. Here we report on the structural and conformational landscape of cotinine, and compare its molecular properties with the nicotine prototype, from which it only differs in the addition of a carbonyl group. The investigation of cotinine included a theoretical survey of the effects of rotamerization of the pyridine moiety, the puckering of the pyrrolidinone ring and the internal rotation of the methyl group...
February 17, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28211737/poynting-robertson-like-drag-at-the-sun-s-surface
#19
Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, Rock Bush
The Sun's internal rotation Ω(r,Θ) has previously been measured using helioseismology techniques and found to be a complex function of colatitude θ and radius r. From helioseismology and observations of apparently "rooted" solar magnetic tracers, we know that the surface rotates more slowly than much of the interior. The cause of this slow-down is not understood, but it is important for understanding stellar rotation generally and any plausible theory of the solar interior. A new analysis using 5-min solar p-mode limb oscillations as a rotation "tracer" finds an even larger velocity gradient in a thin region at the top of the photosphere...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28209202/erratum-to-inflammation-glucose-and-vascular-cell-damage-the-role-of-the-pentose-phosphate-pathway
#20
Concepción Peiró, Tania Romacho, Verónica Azcutia, Laura Villalobos, Emilio Fernández, Juan P Bolaños, Salvador Moncada, Carlos F Sánchez-Ferrer
No abstract text is available yet for this article.
February 16, 2017: Cardiovascular Diabetology
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