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https://www.readbyqxmd.com/read/28732309/zebularine-induces-replication-dependent-double-strand-breaks-which-are-preferentially-repaired-by-homologous-recombination
#1
Manuel Luis Orta, Nuria Pastor, Estefanía Burgos-Morón, Inmaculada Domínguez, José Manuel Calderón-Montaño, Carlos Huertas Castaño, Miguel López-Lázaro, Thomas Helleday, Santiago Mateos
Zebularine is a second-generation, highly stable hydrophilic inhibitor of DNA methylation with oral bioavailability that preferentially target cancer cells. It acts primarily as a trap for DNA methyl transferases (DNMTs) protein by forming covalent complexes between DNMT protein and zebularine-substrate DNA. It's well documented that replication-blocking DNA lesions can cause replication fork collapse and thereby to the formation of DNA double-strand breaks (DSB). DSB are dangerous lesions that can lead to potentially oncogenic genomic rearrangements or cell death...
July 12, 2017: DNA Repair
https://www.readbyqxmd.com/read/28732238/community-action-for-health-in-india-s-national-rural-health-mission-one-policy-many-paths
#2
Rakhal Gaitonde, Miguel San Sebastian, V R Muraleedharan, Anna-Karin Hurtig
Community participation as a strategy for health system strengthening and accountability is an almost ubiquitous policy prescription. In 2005, with the election of a new Government in India, the National Rural Health Mission was launched. This was aimed at 'architectural correction' of the health care system, and enshrined 'communitization' as one of its pillars. The mission also provided unique policy spaces and opportunity structures that enabled civil society groups to attempt to bring on to the policy agenda as well as implement a more collective action and social justice based approach to community based accountability...
July 1, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28732223/effect-of-piezoelectric-units-on-the-implantable-cardioverter-and-defibrillator
#3
Gonzalo Gómez Val, Fernando Jara, Baltasar Sánchez, Miguel Roig, Ricard Ferrer, Fernando Duran-Sindreu
PURPOSE: Evidence-based research appears to conflict on the potential risk of electromagnetic interference (EMI) between piezoelectric units (Pzs) and implantable cardioverters and defibrillators (ICDs). The purpose of this study was to observe whether the EMI produced by Pzs is hazardous for ICDs. MATERIALS AND METHODS: A cross-sectional study of 6 Pzs was conducted in vitro for EMI using an ICD system. To simulate the human body's electrical resistance, electrographic recordings were made of the ICD and lead that were immersed in a bath of saline solution...
June 29, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28732004/-irritable-bowel-syndrome-in-medical-students-from-latin-america-an-overlooked-problem
#4
Paola Novoa-Sandoval, Katherine Pérez-Acuña, Miguel Achata-Espinoza, Carlos J Toro-Huamanchumo
No abstract text is available yet for this article.
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28732002/-gastrointestinal-stromal-tumor-in-young-pregnant-woman-case-report
#5
Walker Del Cid Jove Oblitas, Miguel Joseph Abril Barreda
Female patient, 28 years old, with a gestation of 14 weeks, natural and from Ilo-Moquegua. Came with a time of disease 4 days with hematemesis, melena, epigastric pain and syncope. Background of colonic resection for peritonitis due to trauma 20 years ago; upper gastrointestinal bleeding three years ago; paternal grandparents died of gastric cancer; chronic gastritis diagnosed from 19 year old. In laboratory studies hemoglobin of 9.2. In the upper gastrointestinal endoscopy was found absence of active upper gastrointestinal bleeding, a large tumor in proximal body toward greater curvature and posterior wall, 8 cm in diameter approximately, lobed appearance, with most of the mucosal surface unscathed is evidence, areas of ulceration of 2-3 mm covered with fibrin (biopsies taken), hard consistency, tent sign (positive) and cushionsign (negative)...
April 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28731982/peripheral-oxytocin-receptors-inhibit-the-nociceptive-input-signal-to-spinal-dorsal-horn-wide-dynamic-range-neurons
#6
Abimael González-Hernández, Alfredo Manzano-García, Guadalupe Martínez-Lorenzana, Irma A Tello-García, Martha Carranza, Carlos Arámburo, Miguel Condés-Lara
Oxytocin has emerged as a mediator of endogenous analgesia in behavioral and electrophysiological experiments. In fact, oxytocin receptors (OTRs) in the spinal dorsal horn participate in a selective inhibition of the neuronal activity mediated by Aδ- and C-fibers but not Aβ-fibers. This study shows that OTRs are expressed in the terminal nerve endings and are able to inhibit nociceptive neuronal firing. Indeed, local peripheral oxytocin blocked the first sensorial activity Aδ- and C-fibers recorded in the spinal cord neurons...
July 19, 2017: Pain
https://www.readbyqxmd.com/read/28731620/solvent-free-off-on-detection-of-the-improvised-explosive-triacetone-triperoxide-tatp-with-fluorogenic-materials
#7
Tomas Torroba, Patricia Calvo-Gredilla, Jose Garcia-Calvo, Jose V Cuevas, Jesus-Luis Pablos, Felix C Garcia, Jose-Miguel Garcia, Nathalie Zink-Lorre, Enrique Font-Sanchis, Angela Sastre-Santos, Fernando Fernandez-Lazaro
We have developed a fluorogenic perylenediimide functionalized polyacrylate capable to generate color and fluorescence changes in the presence of triacetone triperoxide, TATP, an improvised explosive used in terrorist attacks, under solvent-free, solid state conditions. The material works by accumulating the volatile TATP until it reaches a threshold, therefore triggering colorimetric and fluorescent responses.
July 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28731530/diagnostic-accuracy-of-nasal-cannula-versus-microphone-for-detection-of-snoring
#8
María Teresa Pérez-Warnisher, Teresa Gómez-García, Luis Fernando Giraldo-Cadavid, Maria Fernanda Troncoso Acevedo, Paula Rodríguez Rodríguez, Pilar Carballosa de Miguel, Nicolás González Mangado
OBJECTIVE: Snoring is a common reason for referral to a sleep unit. Although there are several instruments to measure snoring, there is no gold standard for this purpose. In this study, we determine the diagnostic accuracy of the cannula as compared with the microphone, which are the two most commonly used tools. STUDY DESIGN: We performed a cross-sectional study of 75 patients who underwent baseline home sleep apnea testing for any reason. METHODS: Snore intensity and percentage were assessed during Home sleep-apnea testing via nasal cannula and microphone in all patients...
July 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28730756/animal-assisted-psychotherapy-for-young-people-with-behavioural-problems-in-residential-care
#9
Alexander Muela, Nekane Balluerka, Nora Amiano, Miguel Angel Caldentey, Jone Aliri
The aim of this study was to evaluate the impact of an animal-assisted psychotherapy (AAP) programme on clinical symptoms, personal adjustment, and adaptive skills in a group of adolescents in residential care who had experienced childhood trauma and who presented mental health problems and difficulties adapting to the care home environment. The 87 participants (Mage  = 15.17, SD = 1.53) were divided into two groups: a treatment group (25 girls and 27 boys; Mage  = 15.00, SD = 1.55) and a control group (9 girls and 26 boys; Mage  = 15...
July 20, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/28730509/effect-of-a-2000-m-running-test-on-antioxidant-and-cytokine-response-in-plasma-and-circulating-cells
#10
Lucrecia Carrera-Quintanar, Lorena Funes, Miguel Sánchez-Martos, Pascual Martinez-Peinado, José M Sempere, Antoni Pons, Vicente Micol, Enrique Roche
Exercise intensity usually correlates with increased oxidative stress and enhanced cytokine production. However, it is unknown if all types of exercise that induce muscle damage can cause a parallel response in the oxidation balance and cytokine production. To this end, the effect of a 2000-m running test in a group of volunteers that regularly train in aerobic routines was studied. Different circulating parameters were measured, oxidative stress markers (protein carbonyls and malondialdehyde), antioxidant enzyme activity, and cytokine levels in plasma as well as in the main circulating cells of blood samples obtained in basal conditions and after test execution...
July 20, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28730391/short-term-outcomes-in-minimally-invasive-versus-open-gastrectomy-the-differences-between-east-and-west-a-systematic-review-of-the-literature
#11
REVIEW
Nicole van der Wielen, Jennifer Straatman, Miguel A Cuesta, Freek Daams, Donald L van der Peet
OBJECTIVE: Minimally invasive surgical techniques for gastric cancer are gaining more interest worldwide. Several Asian studies have proven the benefits of minimally invasive techniques over the open techniques. Nevertheless, implementation of this technique in Western countries is gradual. The aim of this systematic review is to give insight in the differences in outcomes and patient characteristics in Asian countries in comparison to Western countries. METHODOLOGY: An extensive systematic search was conducted using the Medline, Embase, and Cochrane databases...
July 20, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28730124/cataract-surgery-on-post-radial-keratotomy-patients
#12
Alessandro Meduri, Mario Urso, Giuseppe A Signorino, Miguel Rechichi, Cosimo Mazzotta, Stephen Kaufman
This study aims to evaluate and to compare three different approaches of cataract surgery to patients with previous radial keratotomy (RK), and to analyze the mechanical properties of the cornea after cataract surgery. Three groups of patients, each one including 8 eyes of patients with 16 RK incisions. The first group includes eyes with the first cataract incision superiorly, the second group in the temporal area, the third group in temporal area and a precautionary stabilizing suture across the RK incision adjacent to the main tunnel...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28730089/an-international-survey-of-classification-and-treatment-choices-for-group-d-retinoblastoma
#13
Christina Scelfo, Jasmine H Francis, Vikas Khetan, Thomas Jenkins, Brian Marr, David H Abramson, Carol L Shields, Jacob Pe'er, Francis Munier, Jesse Berry, J William Harbour, Andrey Yarovoy, Evandro Lucena, Timothy G Murray, Pooja Bhagia, Evelyn Paysse, Samuray Tuncer, Guillermo L Chantada, Annette C Moll, Tatiana Ushakova, David A Plager, Islamov Ziyovuddin, Carlos A Leal, Miguel A Materin, Xun-Da Ji, Jose W Cursino, Rodrigo Polania, Hayyam Kiratli, Charlotta All-Ericsson, Rejin Kebudi, Santosh G Honavar, Vicktoria Vishnevskia-Dai, Sidnel Epelman, Anthony B Daniels, Jeanie D Ling, Fousseyni Traore, Marco A Ramirez-Ortiz
AIM: To determine which IIRC scheme was used by retinoblastoma centers worldwide and the percentage of D eyes treated primarily with enucleation versus globe salvaging therapies as well as to correlate trends in treatment choice to IIRC version used and geographic region. METHODS: An anonymized electronic survey was offered to 115 physicians at 39 retinoblastoma centers worldwide asking about IIRC classification schemes and treatment patterns used between 2008 and 2012...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729953/demographic-inference-through-approximate-bayesian-computation-skyline-plots
#14
Miguel Navascués, Raphaël Leblois, Concetta Burgarella
The skyline plot is a graphical representation of historical effective population sizes as a function of time. Past population sizes for these plots are estimated from genetic data, without a priori assumptions on the mathematical function defining the shape of the demographic trajectory. Because of this flexibility in shape, skyline plots can, in principle, provide realistic descriptions of the complex demographic scenarios that occur in natural populations. Currently, demographic estimates needed for skyline plots are estimated using coalescent samplers or a composite likelihood approach...
2017: PeerJ
https://www.readbyqxmd.com/read/28729879/safety-and-immunogenicity-of-the-quadrivalent-human-papillomavirus-qhpv-vaccine-in-hiv-positive-spanish-men-who-have-sex-with-men-msm
#15
Carmen Hidalgo-Tenorio, Jessica Ramírez-Taboada, Concepción Gil-Anguita, Javier Esquivias, Mohamed Omar-Mohamed-Balgahata, Antonio SamPedro, Miguel Lopez-Ruz, Juan Pasquau
BACKGROUND: Safety and immunogenicity of the quadrivalent human papillomavirus (qHPV) vaccine were evaluated in HIV-positive Spanish MSM. The prevalence of High Squamous Intraepithelial Lesions (HSIL) and genotypes of high-risk human papillomavirus (HR-HPV) were also determined, as well as risk factors associated with the presence of HR-HPV in anal mucosa. METHODS: This is a randomised, double blind, placebo-controlled trial of the quadrivalent HPV (qHPV) vaccine...
2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28729407/long-term-stroke-risk-prediction-in-patients-with-atrial-fibrillation-comparison-of-the-abc-stroke-and-cha2ds2-vasc-scores
#16
José Miguel Rivera-Caravaca, Vanessa Roldán, María Asunción Esteve-Pastor, Mariano Valdés, Vicente Vicente, Gregory Y H Lip, Francisco Marín
BACKGROUND: The ABC-stroke score (age, biomarkers [N-terminal fragment B-type natriuretic peptide, high-sensitivity troponin], and clinical history [prior stroke/transient ischemic attack]) was proposed to predict stroke in atrial fibrillation (AF). This score was derived/validated in 2 clinical trial cohorts in which patients with AF were highly selected and carefully followed-up. However, the median follow-up was 1.9 years in the trial cohort; therefore, its long-term predictive performance remains uncertain...
July 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28729317/the-effects-of-physical-activity-interventions-on-glycated-haemoglobin-a1c-in-non-diabetic-populations-a-protocol-for-a-systematic-review-and-meta-analysis
#17
I Cavero-Redondo, B Peleteiro, C Álvarez-Bueno, M Garrido-Miguel, E G Artero, V Martinez-Vizcaino
INTRODUCTION: Epidemiological evidence suggests that physical activity has a positive effect on reducing glycated haemoglobin A1c (HbA1c) levels not only in diabetics, but also in healthy subjects. Moreover, a positive association of HbA1c levels with cardiovascular disease and mortality in non-diabetic populations has recently been reported. This is a protocol for a systematic review and meta-analysis aiming to estimate the effects of physical activity on glycaemic control measured by HbA1c levels in non-diabetic populations; and to determine which type of physical activity has a greater influence on glycaemic control...
July 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28729055/novel-1-2-dihydroquinazolin-2-ones-design-synthesis-and-biological-evaluation-against-trypanosoma-brucei
#18
ThanhTruc Pham, Madeline Walden, Christopher Butler, Rosario Diaz-Gonzalez, Guiomar Pérez-Moreno, Gloria Ceballos-Pérez, Veronica Gomez-Pérez, Raquel García-Hernández, Henry Zecca, Emma Krakoff, Brian Kopec, Ogar Ichire, Caden Mackenzie, Marika Pitot, Luis Miguel Ruiz, Francisco Gamarro, Dolores González-Pacanowska, Miguel Navarro, Amy B Dounay
In 2014, a published report of the high-throughput screen of>42,000 kinase inhibitors from GlaxoSmithKline against T. brucei identified 797 potent and selective hits. From this rich data set, we selected NEU-0001101 (1) for hit-to-lead optimization. Through our preliminary compound synthesis and SAR studies, we have confirmed the previously reported activity of 1 in a T. brucei cell proliferation assay and have identified alternative groups to replace the pyridyl ring in 1. Pyrazole 24 achieves improvements in both potency and lipophilicity relative to 1, while also showing good in vitro metabolic stability...
July 11, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28728809/scrofula-in-a-child
#19
Catarina Pereira, Mafalda Cascais, Miguel Félix, Manuel Salgado
No abstract text is available yet for this article.
July 17, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28728358/tropical-plant-supplementation-effects-on-the-performance-and-parasite-burden-of-goats
#20
Juan Jose Romero, Miguel Augusto Zarate, Ibukun M Ogunade, Kathy G Arriola, Adegbola Tolulope Adesogan
Objective: Examine the effects of supplementing bahiagrass hay (BG) with potentially anthelmintic quantities of hays of perennial peanut (PEA) or sericea lespedeza (LES) or seeds of velvet bean (MUC) or papaya (PAP) on the intake and nutritive value (Experiment 1), and the performance and parasite burden (Experiment 2) of goats. Methods: In experiment 1, 38 male goats (27.4 ± 5.7 kg BW) were randomly assigned to each of 5 treatments: 1) BG alone and BG plus 2) PEA; 3) LES; 4) MUC; and 5) PAP...
June 27, 2017: Asian-Australasian Journal of Animal Sciences
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