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Daniel Tabas-Madrid, Belén Méndez-Vigo, Noelia Arteaga, Arnald Marcer, Alberto Pascual-Montano, Detlef Weigel, F Xavier Picó, Carlos Alonso-Blanco
Current global change is fueling an interest to understand the genetic and molecular mechanisms of plant adaptation to climate. In particular, altered flowering time is a common strategy for escape from unfavorable climate temperature. In order to determine the genomic bases underlying flowering time adaptation to this climatic factor, we have systematically analysed a collection of 174 highly diverse A. thaliana accessions from the Iberian Peninsula. Analyses of 1.88 million SNPs provide evidence for a spatially heterogeneous contribution of demographic and adaptive processes to geographic patterns of genetic variation...
March 8, 2018: Plant, Cell & Environment
Khalil W Savary, Rachel L Miller, Emilio Arteaga-Solis, Lori Hoepner, Luis M Acosta, Frederica P Perera, Andrew G Rundle, Inge F Goldstein, Matthew S Perzanowski
BACKGROUND: Rhinitis and conjunctivitis are often linked to asthma development through an allergic pathway. However, runny nose and watery eyes can result from nonallergic mechanisms. These mechanisms can also underlie exercise-induced wheeze (EIW), which has been associated with urgent medical visits for asthma, independent of other indicators of asthma severity or control. OBJECTIVE: To test the hypothesis that rhinitis or watery eyes without cold symptoms (RWWC) in infancy predict development of EIW and urgent respiratory-related medical visits at school age, independent of seroatopy...
March 2018: Annals of Allergy, Asthma & Immunology
Ernesto Roldan-Valadez, Ulises Orbe-Arteaga, Camilo Rios
INTRODUCTION: Because we believe the journal selection before a manuscript submission deserves further investigation in each medical specialty, we aimed to evaluate the predictive ability of seven bibliometrics in the Radiology, Nuclear Medicine and Medical Imaging category of the Web of Knowledge to calculate total citations over a 7-year period. METHODS: A linear mixed effects design using random slopes and intercepts were performed on bibliometrics corresponding to 124 journals from 2007 to 2011, with their corresponding citations from 2009 to 2013, which appeared in the Journal Citations Report Science Edition...
March 5, 2018: La Radiologia Medica
Martha C Mayorquín-Torres, Abraham Colin-Molina, Salvador Perez-Estrada, Annia Galano, Braulio Rodríguez-Molina, Martin A Iglesias-Arteaga
A novel steroid molecular rotor was obtained in four steps from the naturally occurring spirostane sapogenin diosgenin. The structural and dynamic characterization was carried out by solution NMR, VT X-ray diffraction, solid state 13C CPMAS and solid state 2H NMR experiments. They allowed the identification of a fast dynamic process with a frequency of 14 MHz at room temperature, featuring a barrier to rotation Ea = 7.87 kcal mol-1. The gathered experimental evidence indicated the presence of a hydrogen bond that becomes stronger as the temperature lowers...
March 5, 2018: Journal of Organic Chemistry
W J Strauss, J Nagaraja, A J Landgraf, S S Arteaga, S B Fawcett, L D Ritchie, L V John, M Gregoriou, E A Frongillo, C M Loria, S A Weber, V L Collie-Akers, K L McIver, J Schultz, R D F Sagatov, E S Leifer, K Webb, R R Pate
BACKGROUND: Although a national epidemic of childhood obesity is apparent, how community-based programmes and policies (CPPs) affect this outcome is not well understood. OBJECTIVES: This study examined the longitudinal relationship between the intensity of CPPs in 130 communities over 10 years and body mass index (BMI) of resident children. We also examined whether these relationships differ by key family or community characteristics. METHODS: Five thousand one hundred thirty-eight children in grades K-8 were recruited through 436 schools located within 130 diverse US communities...
February 28, 2018: Pediatric Obesity
Kovy Arteaga-Livias, Angela Bonilla-Crispin, Vicky Panduro-Correa, Carlos Martínez-Enríquez, Bernardo Dámaso-Mata
Dengue is the disease transmitted by arthropods of major importance in public health; however its presence in the neonatal stage is poorly studied, with few cases described worldwide. We present the case report of a neonate who started illness at 12 days of age, characterized by fever and irritability. He was hospitalized for suspicion of neonatal sepsis; later he presented thrombocytopenia and due the antecedent of his mother with diagnosis of dengue after childbirth, dengue tests were obtained in the neonate, resulting positive, then support treatment and fluid treatment is performed, with subsequent recovery...
October 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
Travis D Richardson, Leslie Hale, Christopher Arteaga, Meng Xu, Mary Keebler, Kelly Schlendorf, Matthew Danter, Ashish Shah, JoAnn Lindenfeld, Christopher R Ellis
BACKGROUND: Ventricular arrhythmias are common in patients with left ventricular assist devices (LVADs) but are often hemodynamically tolerated. Optimal implantable cardioverter defibrillator (ICD) tachy-programming strategies in patients with LVAD have not been determined. We sought to determine if an ultra-conservative ICD programming strategy in patients with LVAD affects ICD shocks. METHODS AND RESULTS: Adult patients with an existing ICD undergoing continuous flow LVAD implantation were randomized to standard ICD programming by their treating physician or an ultra-conservative ICD programming strategy utilizing maximal allowable intervals to detection in the ventricular fibrillation and ventricular tachycardia zones with use of ATP...
February 23, 2018: Journal of the American Heart Association
Llorenç Caballería, Guillem Pera, Ingrid Arteaga, Lluís Rodríguez, Alba Alumà, Rosa Ma Morillas, Napoleón de la Ossa, Alba Díaz, Carmen Expósito, Dolores Miranda, Carmen Sánchez, Rosa Ma Prats, Marta Urquizu, Angels Salgado, Magda Alemany, Alba Martinez, Irfan Majeed, Núria Fabrellas, Isabel Graupera, Ramón Planas, Isabel Ojanguren, Miquel Serra, Pere Torán, Juan Caballería, Pere Ginès
BACKGROUND AND AIMS: Liver fibrosis is the main determinant of long-term outcome in chronic liver diseases. Little is known about prevalence of liver fibrosis in general population. Aim of the study was to investigate the prevalence of liver fibrosis in general adult population with unknown liver disease. METHODS: Population-based, cross-sectional study, performed in Barcelona metropolitan area. Subjects aged 18-75yr were identified randomly from citizens included in primary health care registry...
February 13, 2018: Clinical Gastroenterology and Hepatology
Arjan D Hendriks, Alessio Fracasso, Catalina S Arteaga de Castro, Mark W J M Gosselink, Peter R Luijten, Natalia Petridou, Dennis W J Klomp
The combination of functional MRI (fMRI) and MRS is a promising approach to relate BOLD imaging to neuronal metabolism, especially at high field strength. However, typical scan times for GABA edited spectroscopy are of the order of 6-30 min, which is long compared with functional changes observed with fMRI. The aim of this study is to reduce scan time and increase GABA sensitivity for edited spectroscopy in the human visual cortex, by enlarging the volume of activated tissue in the primary visual cortex. A dedicated setup at 7 T for combined fMRI and GABA MRS is developed...
February 14, 2018: NMR in Biomedicine
Mieke Vermandere, Bert Aertgeerts, Thomas Agoritsas, Catherine Liu, Jako Burgers, Arnaud Merglen, Patrick Mbah Okwen, Lyubov Lytvyn, Shunjie Chua, Per O Vandvik, Gordon H Guyatt, Claudia Beltran-Arroyave, Valéry Lavergne, Reinhart Speeckaert, Finn E Steen, Victoria Arteaga, Rachelle Sender, Shelley McLeod, Xin Sun, Wen Wang, Reed A C Siemieniuk
No abstract text is available yet for this article.
February 6, 2018: BMJ: British Medical Journal
C Errando-Smet, C Müller-Arteaga, M Hernández, M Roset
OBJECTIVES: To explore the management of lower urinary tract symptoms(LUTS) in men in Spain and assess the compliance with recommendationsestablished in the European Association of Urology (EAU) guidelines. MATERIAL AND METHODS: MERCURY was an epidemiological and cross-sectionalstudy which involved 227 Urology Units across Spain assessing adult malepatients with mixed LUTS and persisting storage symptoms.Sociodemographic, clinical and resource use data for the 6 months priorto study inclusion were collected...
February 7, 2018: Actas Urologicas Españolas
David M Hyman, Sarina A Piha-Paul, Helen Won, Jordi Rodon, Cristina Saura, Geoffrey I Shapiro, Dejan Juric, David I Quinn, Victor Moreno, Bernard Doger, Ingrid A Mayer, Valentina Boni, Emiliano Calvo, Sherene Loi, Albert C Lockhart, Joseph P Erinjeri, Maurizio Scaltriti, Gary A Ulaner, Juber Patel, Jiabin Tang, Hannah Beer, S Duygu Selcuklu, Aphrothiti J Hanrahan, Nancy Bouvier, Myra Melcer, Rajmohan Murali, Alison M Schram, Lillian M Smyth, Komal Jhaveri, Bob T Li, Alexander Drilon, James J Harding, Gopa Iyer, Barry S Taylor, Michael F Berger, Richard E Cutler, Feng Xu, Anna Butturini, Lisa D Eli, Grace Mann, Cynthia Farrell, Alshad S Lalani, Richard P Bryce, Carlos L Arteaga, Funda Meric-Bernstam, José Baselga, David B Solit
Somatic mutations of ERBB2 and ERBB3 (which encode HER2 and HER3, respectively) are found in a wide range of cancers. Preclinical modelling suggests that a subset of these mutations lead to constitutive HER2 activation, but most remain biologically uncharacterized. Here we define the biological and therapeutic importance of known oncogenic HER2 and HER3 mutations and variants of unknown biological importance by conducting a multi-histology, genomically selected, 'basket' trial using the pan-HER kinase inhibitor neratinib (SUMMIT; clinicaltrials...
February 8, 2018: Nature
José Antonio Casimiro Pérez, Carlos Fernández Quesada, María Del Val Groba Marco, Iván Arteaga González, Francisco Cruz Benavides, Jaime Ponce, Pedro de Pablos Velasco, Joaquín Marchena Gómez
BACKGROUND: In the last decades, we have experienced an increase in the prevalence of obesity in western countries with a higher demand for bariatric surgery and consequently prolonged waiting times. Currently, in many public hospitals, the only criterion that establishes priority for bariatric surgery is waiting time regardless of obesity severity. METHODS: We propose a new, simple, and homogeneous clinical prioritization system, the Obesity Surgery Score (OSS), which takes into account simultaneously and equitably the time on surgical waiting list and the obesity severity based on three variables: body mass index, obesity-related comorbidities, and functional limitations...
January 30, 2018: Obesity Surgery
Jennifer I Lim, Lindsay Machen, Andrea Arteaga, Faris I Karas, Robert Hyde, Dingcai Cao, Marcia Niec, Thasarat S Vajaranant, M Soledad Cortina
PURPOSE: To determine whether 1-year visual and anatomical results after surgery combining pars plana vitrectomy, Boston keratoprosthesis, and a glaucoma drainage device as needed are similar, better, or worse than Boston keratoprosthesis initial implantation alone. METHODS: We performed a retrospective review of adult patients undergoing Boston keratoprosthesis at our institution. Visual acuity outcomes, anatomical results, and complication rates of patients undergoing combination surgery (including pars plana vitrectomy and a posterior glaucoma drainage device) were compared with those undergoing keratoprosthesis placement alone...
January 23, 2018: Retina
George A Mensah, Richard S Cooper, Anna Maria Siega-Riz, Lisa A Cooper, Justin D Smith, C Hendricks Brown, John M Westfall, Elizabeth O Ofili, LeShawndra N Price, Sonia Arteaga, Melissa C Green Parker, Cheryl R Nelson, Bradley J Newsome, Nicole Redmond, Rebecca A Roper, Bettina M Beech, Jada L Brooks, Debra Furr-Holden, Samson Y Gebreab, Wayne H Giles, Regina Smith James, Tené T Lewis, Ali H Mokdad, Kari D Moore, Joseph E Ravenell, Al Richmond, Nancy E Schoenberg, Mario Sims, Gopal K Singh, Anne E Sumner, Roberto P Treviño, Karriem S Watson, M Larissa Avilés-Santa, Jared P Reis, Charlotte A Pratt, Michael M Engelgau, David C Goff, Eliseo J Pérez-Stable
Cardiovascular disparities remain pervasive in the United States. Unequal disease burden is evident among population groups based on sex, race, ethnicity, socioeconomic status, educational attainment, nativity, or geography. Despite the significant declines in cardiovascular disease mortality rates in all demographic groups during the last 50 years, large disparities remain by sex, race, ethnicity, and geography. Recent data from modeling studies, linked micromap plots, and small-area analyses also demonstrate prominent variation in cardiovascular disease mortality rates across states and counties, with an especially high disease burden in the southeastern United States and Appalachia...
January 19, 2018: Circulation Research
Araceli Diaz-Ruiz, Ulises Orbe-Arteaga, Camilo Rios, Ernesto Roldan-Valadez
CONTEXT: The decision about which journal to choose for the publication of research deserves further investigation. AIMS: In this study, we evaluate the predictive ability of seven bibliometrics in the Web of Knowledge to calculate total cites over a 7-year period in neuroscience journals. SETTINGS AND DESIGN: Coincidental bibliometrics appearing during 2007, 2008, 2009, 2010, and 2011, along with their corresponding cites in 2009, 2010, 2011, 2012, and 2013, were recorded from the journal citation reports (JCR) Science Edition...
January 2018: Neurology India
Carolina Arenas Valencia, Liliana Lopez Kleine, Andres M Pinzon Velasco, Andrea Y Cardona Barreto, Clara E Arteaga Diaz
Hereditary leiomyomatosis and renal cell cancer syndrome (HLRCC) is a very rare disease that is inherited in an autosomal dominant manner. Affected patients may develop from cutaneous and uterine leiomyomas to type 2 papillary renal cell carcinoma (Schmidt and Linehan, Int J Nephrol Renovasc Dis 7:253-260, 2014). HLRCC is caused by germline mutations in the FH gene, which produces the fumarate hydratase protein that participates in the tricarboxylic acid cycle during the conversion of fumarate to malate. In FH-deficient cells, high concentrations of fumarate lead to a series of intricate events, which seem to be responsible for the malignant transformation (Yang et al...
January 4, 2018: Familial Cancer
Sarah Croessmann, Jonathan H Sheehan, Kyung-Min Lee, Gregory R Sliwoski, Jie He, Rebecca J Nagy, David A Riddle, Ingrid A Mayer, Justin M Balko, Richard B Lanman, Vincent Miller, Lewis C Cantley, Jens Meiler, Carlos L Arteaga
PURPOSE: We describe herein a novel P447_L455 deletion in the C2 domain of PIK3CA in a patient with an ER+ breast cancer with an excellent response to the PI3Kα inhibitor alpelisib. Although PIK3CA deletions are relatively rare, a significant portion of deletions cluster within amino acids 446-460 of the C2 domain, suggesting these residues are critical for p110α function.   Design: A computational structural model of PIK3CAdelP447-L455 in complex with the p85 regulatory subunit and MCF10A cells expressing PIK3CAdelP447-L455 and PIK3CAH450_P458del were used to understand the phenotype of C2 domain deletions...
December 28, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Lluvia Arteaga Figueroa, Rodolfo Abarca-Vargas, Claudia García Alanis, Vera L Petricevich
Activation of macrophages may be one of the possible approaches in modulating inflammation. We previously reported that Bougainvillea xbuttiana extract showed an immunomodulatory activity. Here we compare the activation of macrophages exposed to B. xbuttiana extract and compare it with the other treatments such as LPS, IL-4, and IL-10. The cytotoxic effect of extract on peritoneal macrophages was determined by the technique of violet crystal staining. To verify the activation of macrophages we used the tests of vacuolization, hydrogen peroxide production, and percentages of cellular expansion and phagocytosis...
2017: BioMed Research International
Javier de Toro, Luis Cea-Calvo, Enrique Battle, Loreto Carmona, María J Arteaga, Sabela Fernández, Carlos M González
OBJECTIVE: To investigate, in Spanish patients with rheumatic diseases treated with subcutaneous biological drugs, their sources of information, which sources they consider most relevant, and their satisfaction with the information received in the hospital. METHODS: Rheumatologists from 50 hospitals handed out an anonymous survey to 20 consecutive patients with rheumatoid arthritis, axial spondyloarthritis or psoriatic arthritis treated with subcutaneous biologicals...
December 22, 2017: Reumatología Clinica
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