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https://www.readbyqxmd.com/read/28090730/opinions-and-potential-solutions-regarding-dissemination-bias-from-funding-agencies-of-biomedical-research-in-europe
#1
Hector Pardo-Hernandez, Gerard Urrútia, Joerg J Meerpohl, Ana Marušić, Elizabeth Wager, Xavier Bonfill
RATIONALE, AIMS, AND OBJECTIVES: Several studies have found that about half of research results from clinical trials are never published. Until now, there has been little information on the views that funding agencies of biomedical research in Europe have regarding this issue and its possible solutions. METHODS: An electronic survey was conducted among funding agencies from 34 European countries. Participants were asked about their opinions, policies, and potential solutions regarding dissemination bias...
January 16, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28087144/-contribution-of-microbiology-in-the-diagnosis-of-tuberculosis-in-castile-and-le%C3%A3-n-spain-findings-of-the-grumicale-2013-study
#2
Ramiro López-Medrano, Teresa Nebreda-Mayoral, M Fé Brezmes-Valdivieso, Susana García-de Cruz, Begoña Nogueira-González, Rafael Sánchez-Arroyo, Almudena Tinajas-Puertas, Nieves Gutiérrez-Zufiaurre, Cristina Labayru-Echeverría, Susana Hernando-Real, Luis López-Urrutia, Octavio Rivero-Lezcano, Belén Ullivarri-Francia, Raquel Rodríguez-Tarazona, Isabel Antolín-Ayala
INTRODUCTION AND OBJECTIVES: A retrospective study was conducted by collecting microbiological tuberculosis (TB) data in Castile and León during the year 2013 in order to determine the incidence and distribution of TB, and resistance to the tuberculostatic drug, and compare them with the epidemiological data provided by the Department of Epidemiological Surveillance (SIVE). MATERIAL AND METHODS: Microbiologists of the 14 hospitals of the Castile and León public health network (GRUMICALE) collected epidemiological, microbiological, and management data from the Microbiology laboratories in the community during the year 2013...
January 10, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28073828/an-activating-mutation-in-stat3-results-in-neonatal-diabetes-through-reduced-insulin-synthesis
#3
Teresa Velayos, Rosa Martínez, Milagros Alonso, Koldo Garcia-Etxebarria, Anibal Aguayo, Cristina Camarero, Inés Urrutia, Idoia Martínez de LaPiscina, Raquel Barrio, Izortze Santin, Luis Castaño
Neonatal diabetes mellitus (NDM) is a rare form of diabetes diagnosed within the first six months of life. Genetic studies have allowed the identification of several genes linked to the development of NDM, however genetic causes for around 20% of the cases remain to be clarified.Most cases of NDM involve isolated diabetes, but sometimes it appears in association with other pathological conditions, including autoimmune diseases. Recent reports have linked activating mutations in STAT3 with early-onset autoimmune disorders that include diabetes of autoimmune origin, however the functional impact of STAT3 activating mutations have not been characterized at the pancreatic β cell level...
January 10, 2017: Diabetes
https://www.readbyqxmd.com/read/28073472/the-interaction-between-cyanobacteria-and-zooplankton-in-a-more-eutrophic-world
#4
REVIEW
Kemal Ali Ger, Pablo Urrutia-Cordero, Paul C Frost, Lars-Anders Hansson, Orlando Sarnelle, Alan E Wilson, Miquel Lürling
As blooms of cyanobacteria expand and intensify in freshwater systems globally, there is increasing interest in their ecological effects. In addition to being public health hazards, cyanobacteria have long been considered a poor quality food for key zooplankton grazers that link phytoplankton to higher trophic levels. While past laboratory studies have found negative effects of nutritional constraints and defensive traits (i.e., toxicity and colonial or filamentous morphology) on the fitness of large generalist grazers (i...
April 2016: Harmful Algae
https://www.readbyqxmd.com/read/28060988/-neuromyelitis-optica-presenting-concomitantly-with-systemic-lupus-erythematosus-report-of-one-case
#5
Felipe Suárez H, Daniela Urrutia E, Felipe Canales P, Camila Gutiérrez O
Neuromyelitis optica (NMO) is a severe demyelinating disease of the central nervous system, which preferentially attacks the optic nerve and spinal cord. It is associated with antibodies against aquaporin 4. Morbidity and mortality are higher than in multiple sclerosis and its treatment focuses on immunosuppressive drugs. Immunomodulators are contraindicated. We report a previously healthy 35-year-old man, presenting with NMO concomitantly with systemic lupus erythematosus. His evolution was torpid with three outbreaks in the 10 months after the diagnosis, requiring a first-line therapy with methylprednisolone and cyclophosphamide and then a second-line therapy with rituximab...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28058813/outcomes-of-a-multi-community-hypertension-implementation-study-the-american-heart-association-s-check-change-control-program
#6
Monique L Anderson, Rachel Peragallo Urrutia, Emily C O'Brien, Nancy M Allen LaPointe, Alexander J Christian, Lisa A Kaltenbach, Laura E Webb, Angel M Alexander, Paramita Saha Chaudhuri, Juliana Crawford, Patrick Wayte, Eric D Peterson
: Single-site, intensive, community-based blood pressure (BP) intervention programs have led to BP improvements. The authors examined the American Heart Association's Check. Change. CONTROL: (CCC) program (4069 patients/18 cities) to determine whether BP interventions can effectively be scaled to multiple communities, using a simplified template and local customization. Effectiveness was evaluated at each site via site percent enrollment goals, participant engagement, and BP change from first to last measurement...
January 6, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28057753/a-novel-kleefstra-syndrome-associated-variant-that-affects-the-conserved-tplx-motif-within-the-ankyrin-repeat-of-ehmt1-leads-to-abnormal-protein-folding
#7
Patrick R Blackburn, Alexander Tischer, Michael T Zimmermann, Jennifer L Kemppainen, Sujatha Sastry, Amy E Knight Johnson, Margot A Cousin, Nicole J Boczek, Gavin Oliver, Vinod K Misra, Ralitza H Gavrilova, Gwen A Lomberk, Matthew Auton, Raul A Urrutia, Eric W Klee
Kleefstra syndrome (KS) (MIM# 610253), also known as 9q34 deletion syndrome, is an autosomal dominant disorder caused by haploinsufficiency of euchromatic histone methyltransferase-1 (EHMT1). The clinical phenotype of KS includes moderate to severe intellectual disability with absent speech, hypotonia, brachycephaly, congenital heart defects, and dysmorphic facial features with hypertelorism, synophrys, macroglossia, protruding tongue, and prognathism. Only a few cases of de novo missense mutations in EHMT1 giving rise to KS have been described...
January 5, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28052112/lower-frequency-of-hla-drb1-type-1-diabetes-risk-alleles-in-pediatric-patients-with-mody
#8
Inés Urrutia, Rosa Martínez, Tamara López-Euba, Teresa Velayos, Idoia Martínez de LaPiscina, José Ramón Bilbao, Itxaso Rica, Luis Castaño
OBJECTIVE: The aim of this study was to determine the frequency of susceptible HLA-DRB1 alleles for type 1 diabetes in a cohort of pediatric patients with a confirmed genetic diagnosis of MODY. MATERIALS AND METHODS: 160 families with a proband diagnosed with type 1 diabetes and 74 families with a molecular diagnosis of MODY (61 GCK-MODY and 13 HNF1A-MODY) were categorized at high definition for HLA-DRB1 locus. According to the presence or absence of the susceptible HLA-DRB1 alleles for type 1 diabetes, we considered three different HLA-DRB1 genotypes: 0 risk alleles (no DR3 no DR4); 1 risk allele (DR3 or DR4); 2 risk alleles (DR3 and/or DR4)...
2017: PloS One
https://www.readbyqxmd.com/read/28005582/analysis-of-immunogenetic-factors-in-idiosyncratic-drug-induced-liver-injury-in-the-paediatric-population
#9
Esther Ocete-Hita, Ma José Salmerón-Fernández, Emilia Urrutia-Maldonado, Paloma Muñoz de Rueda, María Salmerón-Ruiz, Ma Carmen Martinez-Padilla, Angela Ruiz-Extremera
OBJECTIVE: Idiosyncratic drug-induced liver injury (DILI) is a multifactorial complex disease, in which the toxic potential of the drug, together with genetic and acquired factors and deficiencies in adaptive processes which limit the extent of damage, can determine susceptibility and make individuals unique in their development of hepatotoxicity. The aim of this study is to analyse the genetic factors (HLA, cytokine polymorphisms and KIR genotype) of children who experience an episode of drug-induced liver injury...
December 22, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28001219/high-seroconversion-rates-in-trypanosoma-cruzi-chronic-infection-treated-with-benznidazole-in-people-under-16-years-in-guatemala
#10
Lucia Brum-Soares, Juan-Carlos Cubides, Iris Burgos, Carlota Monroy, Leticia Castillo, Selene González, Pedro Albajar Viñas, Pedro Pablo Palma Urrutia
INTRODUCTION: Geographical, epidemiological, and environmental differences associated with therapeutic response to Chagas etiological treatment have been previously discussed. This study describes high seroconversion rates 72 months after benznidazole treatment in patients under 16 years from a project implemented by Doctors without Borders in Guatemala. METHODS: An enzyme-linked immunosorbent assay was used to detect Trypanosoma cruzi IgG antibodies in capillary blood samples from patients 72 months after treatment...
November 2016: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/27997898/mechanisms-of-iherg-ikr-modulation-by-%C3%AE-1-adrenoceptors-in-hek293-cells-and-cardiac-myocytes
#11
Janire Urrutia, Aintzane Alday, Mónica Gallego, L Layse Malagueta-Vieira, Ivan Arael Aréchiga-Figueroa, Oscar Casis, José Antonio Sánchez-Chapula
BACKGROUND: The rapid delayed rectifier K+ current (IKr), carried by the hERG protein, is one of the main repolarising currents in the human heart and a reduction of this current increases the risk of ventricular fibrillation. α1-adrenoceptors (α1-AR) activation reduces IKr but, despite the clear relationship between an increase in the sympathetic tone and arrhythmias, the mechanisms underlying the α1-AR regulation of the hERG channel are controversial. Thus, we aimed to investigate the mechanisms by which α1-AR stimulation regulates IKr...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27994117/alternative-splicing-and-the-evolution-of-phenotypic-novelty
#12
REVIEW
Stephen J Bush, Lu Chen, Jaime M Tovar-Corona, Araxi O Urrutia
Alternative splicing, a mechanism of post-transcriptional RNA processing whereby a single gene can encode multiple distinct transcripts, has been proposed to underlie morphological innovations in multicellular organisms. Genes with developmental functions are enriched for alternative splicing events, suggestive of a contribution of alternative splicing to developmental programmes. The role of alternative splicing as a source of transcript diversification has previously been compared to that of gene duplication, with the relationship between the two extensively explored...
February 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27994116/perspectives-on-the-history-of-evo-devo-and-the-contemporary-research-landscape-in-the-genomics-era
#13
Cheryll Tickle, Araxi O Urrutia
A fundamental question in biology is how the extraordinary range of living organisms arose. In this theme issue, we celebrate how evolutionary studies on the origins of morphological diversity have changed over the past 350 years since the first publication of the Philosophical Transactions of The Royal Society Current understanding of this topic is enriched by many disciplines, including anatomy, palaeontology, developmental biology, genetics and genomics. Development is central because it is the means by which genetic information of an organism is translated into morphology...
February 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27941962/microalbuminuria-and-its-association-with-subclinical-atherosclerosis-in-the-mexican-mestizo-population-the-gea-study
#14
Aida Medina-Urrutia, Juan Gabriel Juárez-Rojas, Rosalinda Posadas-Sánchez, Esteban Jorge-Galarza, Guillermo Cardoso-Saldaña, Gilberto Vargas-Alarcón, Rocío Martínez-Alvarado, Carlos Posadas-Romero
BACKGROUND: Microalbuminuria is an early marker of atherosclerosis. Ethnic differences for both conditions have been reported. We studied microalbuminuria prevalence and its association with coronary artery calcification as an early atherosclerosis marker in a Mexican-Mestizo population free of diabetes and hypertension (healthy), as well as in hypertensive and diabetic subjects. METHODS: In 1,472 adults (53.3 ± 9.4 years old, 50.3% women), anthropometric measurements, fasting blood glucose, and lipid profile were determined...
September 2016: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
https://www.readbyqxmd.com/read/27940993/cdk5-regulation-of-the-grab-mediated-rab8-rab11-cascade-in-axon-outgrowth
#15
Kotaro Furusawa, Akiko Asada, Pamela Urrutia, Christian Gonzalez-Billault, Mitsunori Fukuda, Shin-Ichi Hisanaga
: Neurons communicate with each other through their axons and dendrites. However, a full characterization of the molecular mechanisms involved in axon and dendrite formation is still incomplete. Neurite outgrowth requires the supply of membrane components for surface expansion. Two membrane sources for axon outgrowth are suggested, Golgi secretary vesicles and endocytic recycling endosomes. In non-neuronal cells, trafficking of secretary vesicles from Golgi is regulated by Rab8, a member of Rab small GTPases, and that of recycling endosomes is by Rab11, another member of Rabs...
December 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27936185/hedgehog-signaling-overcomes-an-ezh2-dependent-epigenetic-barrier-to-promote-cholangiocyte-expansion
#16
Nidhi Jalan-Sakrikar, Thiago M De Assuncao, Jie Lu, Luciana L Almada, Gwen Lomberk, Martin E Fernandez-Zapico, Raul Urrutia, Robert C Huebert
BACKGROUND & AIMS: Developmental morphogens play an important role in coordinating the ductular reaction and portal fibrosis occurring in the setting of cholangiopathies. However, little is known about how membrane signaling events in ductular reactive cells (DRCs) are transduced into nuclear transcriptional changes to drive cholangiocyte maturation and matrix deposition. Therefore, the aim of this study was to investigate potential mechanistic links between cell signaling events and epigenetic regulators in DRCs...
2016: PloS One
https://www.readbyqxmd.com/read/27917043/systematics-of-ecnomiohyla-tuberculosa-with-the-description-of-a-new-species-and-comments-on-the-taxonomy-of-trachycephalus-typhonius-anura-hylidae
#17
Santiago R Ron, Pablo J Venegas, H Mauricio Ortega-Andrade, Giussepe Gagliardi-Urrutia, Patricia E Salerno
Ecnomiohyla tuberculosa is an Amazonian hylid of uncertain phylogenetic position. Herein DNA sequences of mitochondrial and nuclear genes are used to determine its phylogenetic relationships. New sequences and external morphology of Trachycephalus typhonius are also analyzed to assess the status of Ecuadorian and Peruvian populations. The phylogeny shows unequivocally that Ecnomiohyla tuberculosa is nested within the genus Tepuihyla, tribe Lophiohylini. This position was unexpected because the remaining species of Ecnomiohyla belong to the tribe Hylini...
2016: ZooKeys
https://www.readbyqxmd.com/read/27909059/the-role-of-the-histone-methyltransferase-enhancer-of-zeste-homolog-2-ezh2-in-the-pathobiological-mechanisms-underlying-inflammatory-bowel-disease-ibd
#18
Olga F Sarmento, Phyllis A Svingen, Yuning Xiong, Zhifu Sun, Adebowale O Bamidele, Angela J Mathison, Thomas C Smyrk, Asha A Nair, Michelle M Gonzalez, Mary R Sagstetter, Saurabh Baheti, Dermot P B McGovern, Jessica J Friton, Konstantinos A Papadakis, Goel Gautam, Ramnik J Xavier, Raul A Urrutia, William A Faubion
Regulatory T (Treg) cells expressing the transcription factor FOXP3 play a pivotal role in maintaining immunologic self-tolerance. We and others have shown previously that EZH2 is recruited to the FOXP3 promoter and its targets in Treg cells. To further address the role for EZH2 in Treg cellular function, we have now generated mice that lack EZH2 specifically in Treg cells (EZH2(Δ/Δ)FOXP3(+)). We find that EZH2 deficiency in FOXP3(+) T cells results in lethal multiorgan autoimmunity. We further demonstrate that EZH2(Δ/Δ)FOXP3(+) T cells lack a regulatory phenotype in vitro and secrete proinflammatory cytokines...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27908570/sleep-related-disorders-in-latin-american-children-with-atopic-dermatitis-a-case-control-study
#19
M Urrutia-Pereira, D Solé, N A Rosario, H J C Neto, V Acosta, C F Almendarez, M M Avalos, H Badellino, F Berroa, M Álvarez-Castelló, A J Castillo, R L Castro-Almarales, M M De la Cruz, A M Cepeda, C Fernandez, M González-León, J Lozano-Saenz, C Sanchez-Silot, J C Sisul-Alvariza, M Valentin-Rostan, R O S Sarni
BACKGROUND: Atopic dermatitis (AD) has been associated with impairment of sleep. The aim of this study was to evaluate sleep disorders in AD Latin-American children (4-10 years) from nine countries, and in normal controls (C). METHODS: Parents from 454 C and 340 AD children from referral clinics answered the Children Sleep Habits Questionnaire (CSHQ), a one-week retrospective 33 questions survey under seven items (bedtime resistance, sleep duration, sleep anxiety, night awakening, parasomnias, sleep-disordered breathing and daytime sleepiness)...
November 28, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27886949/why-do-chilean-women-choose-to-have-or-not-have-pap-tests
#20
María-Teresa Urrutia, Alejandra Araya, Maria-Fernanda Jaque
OBJECTIVE: To describe the perceptions of Chilean women about why women choose to have or not have Pap test screening. DESIGN: Qualitative research using content analysis according to Krippendorf. SETTING: Four urban health clinics in Santiago, Chile. PARTICIPANTS: Fifty-seven Chilean women. METHODS: Audiotaped focus groups. RESULTS: Six themes emerged: Reasons that make it difficult for women to schedule appointments, Characteristics of health professionals that make it difficult to have a Pap test, Characteristics of the test that are barriers to having a Pap test, The relationship of the test with cancer, Family context, and Each woman's personal characteristics...
January 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
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