Repositorio Académico de la Universidad de Chile: Recent submissions

Now showing items 41061-41080 of 101786

    • Acoustic markers to differentiate gender in prepubescent children's speaking and singing voice 
      Guzmán Noriega, Marco; Muñoz, Daniel; Vivero, Martin; Marín, Natalia; Ramírez, Mirta; Rivera, María Trinidad; Vidal, Carla; Gerhard, Julia; González, Catalina (Elsevier Ireland Ltd, 2014)
      © 2014 Elsevier Ireland Ltd. Objectives: Investigation sought to determine whether there is any acoustic variable to objectively differentiate gender in children with normal voices. Methods: A total of 30 children, 15 boys ...
    • Salsolinol, free of isosalsolinol, exerts ethanol-like motivational/sensitization effects leading to increases ... 
      Quintanilla González, María Elena; Rivera Meza, Mario; Berríos Cárcamo, Pablo; Bustamante, Diego; Buscaglia, Marianne; Morales, Paola; Karahanian, Eduardo; Herrera-Marschitz Muller, Mario; Israel Jacard, Yedy (Elsevier Inc., 2014)
      © 2014 Elsevier Inc.Salsolinol is formed non-enzymatically when ethanol-derived acetaldehyde binds to dopamine, yielding 2 distinct products, i.e., salsolinol and isosalsolinol. Early animal studies, revealing that salsolinol ...
    • Fenofibrate - A lipid-lowering drug - Reduces voluntary alcohol drinking in rats 
      Karahanian, Eduardo; Quintanilla González, María Elena; Fernandez, Katia; Israel Jacard, Yedy (Elsevier Inc., 2014)
      © 2014 Elsevier Inc.The administration of disulfiram raises blood acetaldehyde levels when ethanol is ingested, leading to an aversion to alcohol. This study was aimed at assessing the effect of fenofibrate on voluntary ...
    • Estudio de validación de un cuestionario de apego en adolescentes 
      Morán K., Javier; Lecannelier A., Felipe; Rodríguez T., Jorge (Sociedad Chilena de Pediatría, 2014)
      Introduction: There are not enough specially developed tools to study attachment during adolescence in our country. The objective of this research is to adapt and validate the AAQ (Adolescent Attachment Questionnaire) for ...
    • Thoracoscopic repair of esophageal atresia with and without tracheoesophageal fistula Reparación toracoscópica ... 
      Isidora García, L.; Maricarmen Olivos, P.; Marcela Santos, M.; Miguel Guelfand, C. H. (Sociedad Chilena de Pediatria, 2014)
      © 2014, Sociedad Chilena de Pediatria. All rights reserved. Introduction: Esophageal atresia (EA) is the interruption of the continuity of the esophagus, with or without persistent communication with the trachea. Recent ...
    • Achieving effective universal health coverage with equity: Evidence from Chile 
      Frenz, Patricia; Delgado, Iris; Kaufman, Jay S.; Harper, Sam (Oxford University Press, 2013)
      © The Author 2013; all rights reserved.Chile's 'health guarantees' approach to providing universal and equitable coverage for quality healthcare in a dual public-private health system has generated global interest. The ...
    • Transferability of Trypanosoma cruzi from mixed human host infection to Triatoma infestans and from insects ... 
      Ortiz, Sylvia; Zulantay Alfaro, Inés; Apt Baruch, Werner; Saavedra, Miguel; Solari Illescas, Aldo (Elsevier Ireland Ltd, 2015)
      © 2014 Elsevier Ireland Ltd. The etiologic agent of Chagas disease is Trypanosoma cruzi, a protozoan whose life cycle involves obligatory passage through vertebrate and invertebrate hosts in a series of stages. The aim of ...
    • EF-P Dependent Pauses Integrate Proximal and Distal Signals during Translation 
      Elgamal, Sara; Katz, Assaf; Hersch, Steven J.; Newsom, David; White, Peter; Navarre, William Wiley; Ibba, Michael (Public Library of Science, 2014)
      © 2014 Elgamal et al. Elongation factor P (EF-P) is required for the efficient synthesis of proteins with stretches of consecutive prolines and other motifs that would otherwise lead to ribosome pausing. However, previous ...
    • Spontaneous dissection of superior mesenteric artery Disección espontánea de arteria mesentérica superior 
      Figueroa B., Gabriel; Pereira P., Marcelo; Campos, Alejandro; Moreno P., Juan Pablo; Moraga L., Marcela; Rivera A., Natalia (Sociedad de Cirujanos de Chile, 2014)
      © 2014, Sociedad de Cirujanos de Chile. All rights Reserved. Introduction: Spontaneous dissection of the superior mesenteric artery (AMS) is a infrecuent pathology, representing the main frequency of isolated peripheral ...
    • Immunoproteomic analysis to identify shiga toxin-producing Escherichia coli outer membrane proteins expressed ... 
      Montero, David; Orellana, Paz; Gutiérrez, Daniela; Araya, Daniela; Salazar, Juan Carlos; Prado Jiménez, Valeria; Oñate, Ángel; del Canto, Felipe; Vidal, Roberto (American Society for Microbiology, 2014)
      © 2014, American Society for Microbiology. Shiga-toxin producing Escherichia coli (STEC) is the etiologic agent of acute diarrhea, dysentery, and hemolytic-uremic syndrome (HUS). There is no approved vaccine for STEC ...
    • Improving Mycobacterium bovis bacillus calmette-Guèrin as a vaccine delivery vector for viral antigens by ... 
      Venkataswamy, Manjunatha M.; Ng, Tony W.; Kharkwal, Shalu S.; Carreño, Leandro J.; Johnson, Alison J.; Kunnath-Velayudhan, Shajo; Liu, Zheng; Bittman, Robert; Jervis, Peter J.; Cox, Liam R.; Besra, Gurdyal S.; Wen, Xiangshu; Yuan, Weiming; Tsuji, Moriya; Li, Xiangming; (Public Library of Science, 2014)
      © 2014 Venkataswamy et al. Recombinant Mycobacterium bovis bacillus Calmette-Guèrin (rBCG) has been explored as a vector for vaccines against HIV because of its ability to induce long lasting humoral and cell mediated ...
    • Endometrial gene expression reveals compromised progesterone signaling in women refractory to embryo implantation 
      Tapia-Pizarro, Alejandro; Figueroa, Paula; Brito, Julio; Marín, Juan C.; Munroe, David J.; Croxatto, Horacio B. (BioMed Central Ltd., 2014)
      © 2014 Tapia-Pizarro et al.; licensee BioMed Central Ltd.Background: Endometrial function is essential for embryo implantation. The aim of this study was to analyze gene expression profiles from individual endometrial ...
    • Cellular mechanisms of endoplasmic reticulum stress signaling in health and disease. 1. An overview 
      Dufey, Estefanie; Sepúlveda, Denisse; Rojas Rivera, Diego; Hetz Flores, Claudio (American Physiological Society, 2014)
      © 2014 the American Physiological Society. Increased demand on the protein folding capacity of the endoplasmic reticulum (ER) engages an adaptive reaction known as the unfolded protein response (UPR). The UPR regulates ...
    • Head position and cerebral blood flow velocity in acute ischemic stroke: A systematic review and meta-analysis 
      Olavarría, Verónica V.; Arima, Hisatomi; Anderson, Craig S.; Brunser, Alejandro M.; Muñoz-Venturelli, Paula; Heritier, Stephane; Lavados Germain, Pablo Manuel (S. Karger AG, 2014)
      Background: Patients with acute ischemic stroke (AIS) have impaired vasomotor reactivity, especially in the affected cerebral hemisphere, such that they may depend directly on systemic blood pressure to maintain perfusion ...
    • A new species of Phymaturus of the P. mallimaccii Group from the Andes of central Chile (Iguania: Liolaemidae) 
      Troncoso Palacios, Jaime; Esquerré, Damien (ESALQ Universidade de Sao Paolo, 2014)
      © 2014 Departamento de Ciências Biológicas - ESALQ - USP. A new species of Phymaturus from the Provincia Mountain in the San Ramón Mountains in the Metropolitan Region of Chile is described. It is a member of the P. palluma ...
    • Clinical features of 314 patients with relapsing-remitting multiple sclerosis Esclerosis múltiple recurrente ... 
      Nogales-Gaete, Jorge; Aracena, Rodrigo; Cepeda-Zumaeta, Sergio; Eloiza, Claudio; Agurto, Paula; Díaz, Vannia; Labbé, Silvia; Martínez, Séfora; Flores, Jazmín; Araya, Casandra (Sociedad Medica de Santiago, 2014)
      Background: Immunomodulatory drugs (IMD), Interferon β1a, β1 b and glatiramer acetate are available in the Chilean public health system since June 2008 for patients with relapsing-remitting multiple sclerosis (RR-MS). ...
    • Role of slow oscillatory activity and slow wave sleep in consolidation of episodic-like memory in rats 
      Oyanedel, Carlos N.; Binder, Sonja; Kelemen, Eduard; Petersen, Kimberley; Born, Jan; Inostroza, Marion (Elsevier, 2014)
      © 2014 The Authors.Our previous experiments showed that sleep in rats enhances consolidation of hippocampus dependent episodic-like memory, i.e. the ability to remember an event bound into specific spatio-temporal context. ...
    • Association of increased levels of TGF-β1 and p14ARF in prostate carcinoma cell lines overexpressing Egr-1 
      Parra, Eduardo; Gutiérrez, Luis; Ferreira, Jorge (Spandidos Publications, 2014)
      The present study examined the effect of the overexpression of early growth response gene (Egr-1) on transforming growth factor β-1 (TGF-β1) and p14ARFlevels, in PC-3 and LNCaP prostate carcinoma cell lines. Amplification ...
    • Use of third line antiretroviral therapy in Latin America 
      Cesar, Carina; Shepherd, Bryan E.; Jenkins, Cathy A.; Ghidinelli, Massimo; Castro, Jose Luis; Veloso, Valdiléa Gonçalves; Cortés, Claudia P.; Padgett, Denis; Crabtree Ramírez, Brenda; Gotuzzo, Eduardo; Fink, Valeria; Duran, Adriana; Sued, Omar; McGowan, Catherine C. (Public Library of Science, 2014)
      © PLOS ONE 2014. Background: Access to highly active antiretroviral therapy (HAART) is expanding in Latin America. Many patients require second and third line therapy due to toxicity, tolerability, failure, or a combination ...
    • About human settlement in the South-Central andes and its relation to the Amazonian region En torno al ... 
      Halkyer, Nancy Orellana; Fuentes-Guajardo, Macarena; Capriles, José M.; Rothhammer Engel, Francisco (Interciencia Association, 2014)
      Bolivia is a key region for understanding human settlement in the South-Central Andes due to its geographical location, its ethnic diversity and its rich archeology. In order to identify the prehistoric migratory routes ...