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https://www.readbyqxmd.com/read/28527852/cyclic-and-torsional-fatigue-resistance-of-reciprocating-single-files-manufactured-by-different-nickel-titanium-alloys
#1
Murilo P Alcalde, Mario Tanomaru-Filho, Clovis M Bramante, Marco Antonio H Duarte, Juliane Maria Guerreiro-Tanomaru, Jader Camilo-Pinto, Marcus Vinicius Reis Só, Rodrigo Ricci Vivan
INTRODUCTION: The aim of this study was to evaluate the cyclic and torsional fatigue resistance of the following reciprocating single-file systems: ProDesign R 25.06 (Easy Equipamentos Odontológicos, Belo Horizonte, Brazil), Reciproc R25 (VDW GmbH, Munich, Germany), and Unicone L25 (Medin SA, Nové Město in Moravě, Czech Republic). METHODS: Sixty instruments of the ProDesign R, Reciproc R25, and Unicone L25 systems (n = 20) were used. Cyclic fatigue resistance was tested measuring the time to failure in an artificial stainless steel canal with a 60° angle and a 5-mm radius of curvature (n = 10)...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28527270/-effect-of-antenatal-spiramycin-treatment-on-the-frequency-of-retinochoroiditis-due-to-congenital-toxoplasmosis-in-a-colombian-cohort
#2
Liliana María Zuluaga, John Camilo Hernández, Carlos Felipe Castaño, Jorge Hernando Donado
INTRODUCTION: Gestational toxoplasmosis is frequent and severe. There is still debate about the benefits of treatment against ocular manifestations in the newborn. Spiramycin treatment is used for this purpose, unfortunately prenatal diagnosis is sometimes delayed and pregnant women are not treated. OBJECTIVE: To describe the relationship between treatment with spiramycin during pregnancy in mothers with gestational toxoplasmosis and development of ocular toxoplasmosis in newborns...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28523290/complex-modular-architecture-around-a-simple-toolkit-of-wing-pattern-genes
#3
Steven M Van Belleghem, Pasi Rastas, Alexie Papanicolaou, Simon H Martin, Carlos F Arias, Megan A Supple, Joseph J Hanly, James Mallet, James J Lewis, Heather M Hines, Mayte Ruiz, Camilo Salazar, Mauricio Linares, Gilson R P Moreira, Chris D Jiggins, Brian A Counterman, W Owen McMillan, Riccardo Papa
Identifying the genomic changes that control morphological variation and understanding how they generate diversity is a major goal of evolutionary biology. In Heliconius butterflies, a small number of genes control the development of diverse wing color patterns. Here, we used full genome sequencing of individuals across the Heliconius erato radiation and closely related species to characterize genomic variation associated with wing pattern diversity. We show that variation around color pattern genes is highly modular, with narrow genomic intervals associated with specific differences in color and pattern...
2017: Nat Ecol Evol
https://www.readbyqxmd.com/read/28515935/methotrexate-encephalopathy-two-cases-in-adult-cancer-patients-who-recovered-with-pathophysiologically-based-therapy
#4
Shodeinde A Coker, David A Pastel, Melissa C Davis, Elizabeth M Bengtson, Camilo E Fadul, Lionel D Lewis
BACKGROUND/OBJECTIVES: Neurotoxicity is a serious and sometimes fatal adverse effect that can occur following methotrexate treatment. We describe two adult patients with hematological malignancies with methotrexate encephalopathy who recovered with dextromethorphan therapy. RESULTS: Case 1: A 24-year-old male with acute lymphoblastic leukemia developed the acute onset of bilateral facial weakness and slurred speech after his first treatment with high-dose intravenous methotrexate...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28513606/corrigendum-risk-model-for-colorectal-cancer-in-spanish-population-using-environmental-and-genetic-factors-results-from-the-mcc-spain-study
#5
Gemma Ibáñez-Sanz, Anna Díez-Villanueva, M Henar Alonso, Francisco Rodríguez-Moranta, Beatriz Pérez-Gómez, Mariona Bustamante, Vicente Martin, Javier Llorca, Pilar Amiano, Eva Ardanaz, Adonina Tardón, Jose J Jiménez-Moleón, Rosana Peiró, Juan Alguacil, Carmen Navarro, Elisabet Guinó, Gemma Binefa, Pablo Fernández-Navarro, Anna Espinosa, Verónica Dávila-Batista, Antonio José Molina, Camilo Palazuelos, Gemma Castaño-Vinyals, Nuria Aragonés, Manolis Kogevinas, Marina Pollán, Victor Moreno
No abstract text is available yet for this article.
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28512324/global-gene-expression-analysis-provides-insight-into-local-adaptation-to-geothermal-streams-in-tadpoles-of-the-andean-toad-rhinella-spinulosa
#6
Luis Pastenes, Camilo Valdivieso, Alex Di Genova, Dante Travisany, Andrew Hart, Martín Montecino, Ariel Orellana, Mauricio Gonzalez, Rodrigo A Gutiérrez, Miguel L Allende, Alejandro Maass, Marco A Méndez
The anuran Rhinella spinulosa is distributed along the Andes Range at altitudes that undergo wide daily and seasonal variation in temperature. One of the populations inhabits geothermal streams, a stable environment that influences life history traits such as the timing of metamorphosis. To investigate whether this population has undergone local adaptation to this unique habitat, we carried out transcriptome analyses in animals from two localities in two developmental stages (prometamorphic and metamorphic) and exposed them to two temperatures (20 and 25 °C)...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499858/enhanced-behavioral-immune-defenses-in-a-c-%C3%A2-elegans-c-type-lectin-like-domain-gene-mutant
#7
Barbara Pees, Anke Kloock, Rania Nakad, Camilo Barbosa, Katja Dierking
C-type lectin-like domain (CTLD) proteins occupy crucial functions in the immune system of vertebrates, but their role in invertebrate immunity is much less understood. The nematode Caenorhabditis elegans possesses a highly diverse CTLD protein encoding (clec) gene repertoire. A role of C. elegans clec genes in pathogen defense is always assumed, yet experimental evidence for clec immune function is rare. To systematically test the potential function of clec genes in the C. elegans defense against pathogens, we screened 39 clec mutants for survival on the Gram-positive pathogen Bacillus thuringiensis (BT18247) and 37 clec mutants on the Gram-negative pathogen Pseudomonas aeruginosa (PA14)...
May 10, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28497568/neuropsychological-phenotypes-of-76-individuals-with-joubert-syndrome-evaluated-at-a-single-center
#8
Angela C Summers, Joseph Snow, Edythe Wiggs, Alexander G Liu, Camilo Toro, Andrea Poretti, Wadih M Zein, Brian P Brooks, Melissa A Parisi, Sara Inati, Dan Doherty, Meghana Vemulapalli, Jim C Mullikin, Thierry Vilboux, William A Gahl, Meral Gunay-Aygun
Joubert syndrome (JS) is a genetically heterogeneous ciliopathy characterized by hypo-dysplasia of the cerebellar vermis, a distinct hindbrain/midbrain malformation (molar tooth sign), and intellectual disability. We evaluated the neuropsychological profiles of 76 participants with JS in the context of molecular genetics and clinical covariates. Evaluations included neuropsychological testing, structured parental interviews, DNA sequencing, brain magnetic resonance imaging (MRI), electroencephalography (EEG), ophthalmologic examination, and assessment for renal and hepatic disease...
May 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28495022/delineating-the-joint-hierarchical-structure-of-clinical-and-personality-disorders-in-an-outpatient-psychiatric-sample
#9
Miriam K Forbes, Roman Kotov, Camilo J Ruggero, David Watson, Mark Zimmerman, Robert F Krueger
BACKGROUND: A large body of research has focused on identifying the optimal number of dimensions - or spectra - to model individual differences in psychopathology. Recently, it has become increasingly clear that ostensibly competing models with varying numbers of spectra can be synthesized in empirically derived hierarchical structures. METHODS AND MATERIALS: We examined the convergence between top-down (bass-ackwards or sequential principal components analysis) and bottom-up (hierarchical agglomerative cluster analysis) statistical methods for elucidating hierarchies to explicate the joint hierarchical structure of clinical and personality disorders...
April 29, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28495012/what-do-clinicians-treat-diagnoses-or-symptoms-the-incremental-validity-of-a-symptom-based-dimensional-characterization-of-emotional-disorders-in-predicting-medication-prescription-patterns
#10
Monika A Waszczuk, Mark Zimmerman, Camilo Ruggero, Kaiqiao Li, Annmarie MacNamara, Anna Weinberg, Greg Hajcak, David Watson, Roman Kotov
BACKGROUND: Although practice guidelines are based on disorders specified in diagnostic manuals, such as the DSM, practitioners appear to follow symptoms when making treatment decisions. Psychiatric medication is generally prescribed in a transdiagnostic manner, further highlighting how symptoms, not diagnoses, often guide clinical practice. A quantitative approach to nosology promises to provide better guidance as it describes psychopathology dimensionally and its organization reflects patterns of covariation among symptoms...
April 18, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28492282/accumulation-of-heme-biosynthetic-intermediates-contributes-to-the-antibacterial-action-of-the-metalloid-tellurite
#11
Eduardo H Morales, Camilo A Pinto, Roberto Luraschi, Claudia M Muñoz-Villagrán, Fabián A Cornejo, Scott W Simpkins, Justin Nelson, Felipe A Arenas, Jeff S Piotrowski, Chad L Myers, Hirotada Mori, Claudio C Vásquez
The metalloid tellurite is highly toxic to microorganisms. Several mechanisms of action have been proposed, including thiol depletion and generation of hydrogen peroxide and superoxide, but none of them can fully explain its toxicity. Here we use a combination of directed evolution and chemical and biochemical approaches to demonstrate that tellurite inhibits heme biosynthesis, leading to the accumulation of intermediates of this pathway and hydroxyl radical. Unexpectedly, the development of tellurite resistance is accompanied by increased susceptibility to hydrogen peroxide...
May 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28489866/magmatic-evolution-of-panama-canal-volcanic-rocks-a-record-of-arc-processes-and-tectonic-change
#12
David W Farris, Agustin Cardona, Camilo Montes, David Foster, Carlos Jaramillo
Volcanic rocks along the Panama Canal present a world-class opportunity to examine the relationship between arc magmatism, tectonic forcing, wet and dry magmas, and volcanic structures. Major and trace element geochemistry of Canal volcanic rocks indicate a significant petrologic transition at 21-25 Ma. Oligocene Bas Obispo Fm. rocks have large negative Nb-Ta anomalies, low HREE, fluid mobile element enrichments, a THI of 0.88, and a H2Ocalc of >3 wt. %. In contrast, the Miocene Pedro Miguel and Late Basalt Fm...
2017: PloS One
https://www.readbyqxmd.com/read/28487160/good-vibrations-assessing-the-stability-of-snake-venom-composition-after-researcher-induced-disturbance-in-the-laboratory
#13
Natalie M Claunch, Matthew L Holding, Camilo Escallón, Ben Vernasco, Ignacio T Moore, Emily N Taylor
Phenotypic plasticity contributes to intraspecific variation in traits of many animal species. Venom is an integral trait to the success and survival of many snake species, and potential plasticity in venom composition is important to account for in the context of basic research as well as in human medicine for treating the various symptoms of snakebite and producing effective anti-venoms. Researchers may unknowingly induce changes in venom variation by subjecting snakes to novel disturbances and potential stressors...
May 6, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28486584/comparison-of-health-examination-survey-methods-in-brazil-chile-colombia-mexico-england-scotland-and-the-usa
#14
Jennifer S Mindell, Alison Moody, Andres I Vecino-Ortiz, Tania Alfaro, Patricia Frenz, Shaun Scholes, Silvia A Gonzalez, Paula Margozzini, Cesar de Oliveira, Luz Maria Sanchez Romero, Andres Alvarado, Sebastián Cabrera, Olga L Sarmiento, Camilo A Triana, Simón Barquera
Comparability of population surveys across countries is key to appraising trends in population health. Achieving this requires deep understanding of the methods used in these surveys to examine the extent to which the measurements are comparable. In this paper, we obtained detailed protocols of eight nationally representative surveys in seven countries from Latin America, the United Kingdom and the United States of America 2007-2013 that differ in economic and inequity indicators. Data on sampling frame, sample selection procedures, recruitment, data collection methods, content of interview and examination modules, and measurement protocols were collected...
May 9, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28483175/-cost-effectiveness-of-synchronous-vs-asynchronous-telepsychiatry-in-prison-inmates-with-depression
#15
Camilo Barrera-Valencia, Alexis Vladimir Benito-Devia, Consuelo Vélez-Álvarez, Mario Figueroa-Barrera, Sandra Milena Franco-Idárraga
INTRODUCTION: Telepsychiatry is defined as the use of information and communication technology (ICT) in providing remote psychiatric services. Telepsychiatry is applied using two types of communication: synchronous (real time) and asynchronous (store and forward). OBJECTIVE: To determine the cost-effectiveness of a synchronous and an asynchronous telepsychiatric model in prison inmate patients with symptoms of depression. METHODS: A cost-effectiveness study was performed on a population consisting of 157 patients from the Establecimiento Penitenciario y Carcelario de Mediana Seguridad de Manizales, Colombia...
April 2017: Revista Colombiana de Psiquiatría
https://www.readbyqxmd.com/read/28476565/a-simple-short-term-method-to-study-thyroid-disruption-using-a-fetal-rat-thyroid-culture
#16
Pablo Olivares-Trigo, Camilo Fuentes Peña, María Fernanda Cavieres
INTRODUCTION: Thyroid modulation activity has not been investigated for many chemical substances. Due to ethical, practical and financial reasons, in vivo evaluation of a large number of compounds is not feasible. It has been proposed that an in vitro mechanism-based strategy could be more adequate for the identification of thyroid hormone disrupting chemicals. Here we describe a simple and mostly inexpensive, short term culture assay to study thyroid disruption. METHODS: Fetal thyroids collected from gestation day 20...
May 2, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28471212/hierarchical-structure-of-emotional-disorders-from-individual-symptoms-to-the-spectrum
#17
Monika A Waszczuk, Roman Kotov, Camilo Ruggero, Wakiza Gamez, David Watson
Classification of emotional disorders faces challenges of within-disorder heterogeneity and between-disorder comorbidity. The current study addressed these issues by analyzing all emotional disorder symptoms to identify homogeneous dimensions that characterize this domain. These dimensions were, in turn, used to define coherent syndromes and higher order factors. All of the emotional disorder symptoms specified in diagnostic manuals were assessed by interview in 2 treatment-seeking samples (N = 426 and 305), alongside clinical diagnoses and functioning measures...
May 4, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28466916/revisiting-the-behaviour-of-bivo4-as-a-carbon-dioxide-reduction-photo-catalyst
#18
Jacob M Sommers, Nicholas P Alderman, Camilo J Viasus, Sandro Gambarotta
Bismuth vanadate is a widely known photocatalyst for the hydro-reduction of CO2. In spite of the great appeal of such a catalytic system, problems arise due to deactivation of the catalyst with consequent low reaction yield. We have investigated the catalyst behavior during methanol production and have found that the catalyst irreversibly loses vanadium from the structure whilst depositing bismuth oxides on the surface of the catalyst. While catalyst activity can be restored upon heating, leaching of vanadium, leading in long term to catalyst decomposition, is unavoidable and irreversible...
May 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28458969/bmp-7-preserves-surface-integrity-of-degradable-ceramic-cranioplasty-in-a-g%C3%A3-ttingen-minipig-model
#19
J Camilo Roldán, Peter Schulz, Tim Klünter, Ulrike Deisinger, Claudius Diez, Waltraud Waiss, Christian Kirschneck, Torsten E Reichert, Rainer Detsch
BACKGROUND: The aim of the study was to evaluate the integrity of a craniotomy grafted site in a minipig model using different highly porous calcium phosphate ceramic scaffolds either loaded or nonloaded with bone morphogenetic protein-7 (BMP-7). METHODS: Four craniotomies with a diameter of 15 mm (critical-size defect) were grafted with different highly porous (92-94 vol%) calcium phosphate ceramics [hydroxyapatite (HA), tricalcium phosphate (TCP), and biphasic calcium phosphate (BCP; a mixture of HA and TCP)] in 10 Göttingen minipigs: (a) group I (n = 5): HA versus BCP; (b) group II (n = 5): TCP versus BCP...
March 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28453592/-cutaneous-myiasis-due-to-cochliomyia-hominivorax-associated-with-seborrheic-dermatitis
#20
Perla Calderón H, Camilo Rojas E, Werner Apt B, Douglas Castillo O
Myiasis is an infestation of tissues and organs of humans and animals by Diptera larvae (flies, horseflies, mosquitoes). They are located at different body sites, and classified clinically as cutaneous, visceral and cavitary. We report a 26-year-old woman with a history of seborrheic dermatitis and recent trip to Brazil. She presented with a seven days history of suppurating wounds in the parieto-occipital area of the scalp. At physical examination we found three ulcers of approximately 1.5 cm each, with multiple mobile larvae inside...
February 2017: Revista Médica de Chile
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