Browsing by Title Facultad de Medicina

Now showing items 1451-1470 of 12947

    • Bioinformatic detection of E47, E2F1 and SREBP1 transcription factors as potential regulators of genes ... 
      Tapia, Alejandro; Vilos, Cristian; Marín, Juan Carlos; Croxatto, Horacio B.; Devoto, Luigi (2011)
      Background: The endometrium is a dynamic tissue whose changes are driven by the ovarian steroidal hormones. Its main function is to provide an adequate substrate for embryo implantation. Using microarray technology, several ...
    • Bioinformatic prediction and experimental verification of Fur-regulated genes in the extreme acidophile ... 
      Quatrini, Raquel; Lefimil, Claudia; Veloso, Felipe A.; Pedroso, Inti; Holmes, David S.; Jedlicki Corbeaux, Eugenia (2007)
      The gamma-proteobacterium Acidithiobacillus ferrooxidans lives in extremely acidic conditions (pH 2) and, unlike most organisms, is confronted with an abundant supply of soluble iron. It is also unusual in that it oxidizes ...
    • Biological activity of genistein and soy extracts: Selective induction of some but not all estrogenic ... 
      Gaete, Leonardo; Tchernitchin, Andrei N.; Bustamante, Rodrigo; Villena, Joan; Ferrada, Karla; Erazo, Silvia; García, Rubén; Lemus, Igor (2010)
      The existence of multiple kinds of estrogen receptors (ERs), involved in independent groups of responses, allows their dissociation and opens the possibility to selectively induce beneficial responses but not those considered ...
    • Biological and chemical control in copper bioleaching processes: When inoculation would be of any benefit? 
      Vargas, T.; Davis-Belmar, C. S.; Cárcamo, C. (Elsevier, 2014)
      © 2014 Elsevier B.V. All rights reserved.Bioleaching of secondary and low-grade copper ores in heaps and dumps today is a well-established technology. However, there is still a strong need to improve the copper leaching ...
    • Biological basis for cerebral dysfunction in schizophrenia in contrast with Alzheimer's disease 
      Kuljiš, Rodrigo O.; Colom, Luis V.; Rojo, Leonel E. (Frontiers Media, 2014)
      Schizophrenia and Alzheimer’s disease are two disorders that, while conceptualized as pathophysiologically and clinically distinct, cause substantial cognitive and behavioral impairment worldwide, and target apparently ...
    • Biological characterization of Trypanosoma cruzi stocks from Chilean insect vectors 
      Solari Illescas, Aldo; Wallace, A.; Ortiz, S.; Venegas, J.; Sanchez, G. (Academic Press Inc., 1998)
      Fifty-seven Trypanosoma cruzi stocks isolated from Triatoma infestans and Triatoma spinolai of the five different geographic endemic areas of Chile were studied by schizodeme and molecular karyotype analysis. Four different ...
    • Biological characterization of Trypanosoma cruzi zymodemes: In vitro differentiation of epimastigotes and ... 
      Sanchez, S.; Wallace,; Olivares,; Diaz, Eloisa; Aguilera,; Apt Baruch, Werner; Solari Illescas, Aldo (1990)
      Thirty-one Trypanosoma cruzi isolates from Chile, Peru, and Bolivia were studied in their capacity to differentiate in vitro from epimastigotes to metacyclic trypomastigotes on TAU-3AAG medium. Zymodeme 1 parasites displayed ...
    • THE BIOLOGICAL MEANING OF THE UPR 
      Hetz Flores, Claudio (Macmillan, 2013)
    • Biological risk accidents among undergraduate healthcare students. Five years experience Accidentes de ... 
      Fica Cubillos, Alberto; Jemenao P., M. Irene; Ruiz R., Gloria; Larrondo L., Milton; Hurtado H., Carmen; Muñoz G., Gabriela; Sepulveda C., Cecilia (2010)
      Undergraduate healthcare students are exposed to bloodborne pathogens, and data from developing countries is scarce. We report the experience of a comprehensive program dedicated to the management of this risk. The program ...
    • Biological similarities and differences between rats genetically different in alcohol preference 
      Tampier de Jong, Lutske; Quintanilla González, María Elena; Contreras, Selfa; Segovia-requelme, Natividad; Mardones, Jorge (1984)
      This paper is an inventory of some behavioural, biochemical and pharmacological similarities and differences between two inbred strains of Wistar rats differing in voluntary consumption of ethanol, namely: UChA and UChB ...
    • Biology of Triatoma infestans populations: fluctuations of fecundity and mortality Biología de poblaciones ... 
      Canals, A.; Cattan, Magdalena; Solis, Nancy; Valderas, (1991)
      Fecundity and mortality in population of insects is relevant to the epidemiology of insect transmitted diseases. These variables were studied for T. infestans during 5 years under constant conditions of temperature, relative ...
    • Biomarker responses of the freshwater clam Corbicula fluminea in acid mine drainage polluted systems 
      Bonnail, Estefanía; Cunha Lima, Ricardo; Bautista-Chamizo, Esther; Salamanca, María José; Cruz-Hernández, Pablo (Elsevier Ltd, 2018)
      © 2018 Elsevier Ltd The environmental quality of an acid mine drainage polluted river (Odiel River) in the Iberian Pyrite Belt (SW Spain) was assessed by combining analyses of biomarkers (DNA strand breaks, LPO, EROD, GST, ...
    • Biomarkers for dementia in Latin American countries: gaps and opportunities 
      Parra, Mario A.; Orellana, Paulina; León Rodríguez, Tomás Ignacio; Cabello G., Victoria; Henríquez, Fernando; Gómez, Rodrigo; Avalos, Constanza; Damian, Andrés; Slachevsky Chonchol, Andrea María; Ibañez, Augustín; Zetterberg, Henrik; Tijms, Betty M.; Yokoyama, Jennifer S.; Piña Escudero, Stefanie D.; Cochran, J. Nicholas; Matallana, Diana L.; Acosta, Daisy; Allegri, Ricardo; Arias Suárez, Bianca P.; Barra, Bernardo; Behrens Pellegrino, María Isabel Ofelia; Brucki, Sonia M.D.; Busatto, Geraldo; Caramelli, Paulo; Castro Suarez, Sheila; Contreras, Valeria; Custodio, Nilton; Dansilio, Sergio; Cruz Puebla, Myriam de la; Cruz de Souza, Leonardo; Diaz, Mónica M.; Duque, Lissette; Farías Gontupil, Gonzalo Andrés; Ferreira, Sergio T.; Magrath Guimet, Nahuel; Kmaid, Ana; Lira, David; Lopera, Francisco; Mar Meza, Beatriz; Miotto, Eliane C.; Nitrini, Ricardo; Núñez, Alberto; O’Neill, Santiago; Ochoa, John; Pintado Caipa, Maritza; França Resende, Elisa de Paula; Risacher, Shannon; Rojas, Luz Angela; Sabaj, Valentina; Schilling, Lucas; Sellek, Allis F.; Sosa, Ana; Takada, Leonel T.; Teixeira, Antonio L.; Unaucho Pilalumbo, Martha; Durán Aniotz, Claudia (Wiley, 2022)
      Limited knowledge on dementia biomarkers in Latin American and Caribbean (LAC) countries remains a serious barrier. Here, we reported a survey to explore the ongoing work, needs, interests, potential barriers, and opportunities ...
    • Biomarkers for screening of lung cancer and pre-neoplastic lesions in a high risk Chilean population 
      Adonis Parraguez, Marta; Díaz, Jose; Miranda, Veronica R.; Chahuan, Marco; Zambrano, Alcides; Benitez, Hugo C.; Campos, Monica; Avaria, Pablo; Urzúa, Ulises; Marín, Pedro; Gohurdett, Mariela; Cisterna, Yasna; Gil, Lionel (socbiol@huelen.reuna.cl, 2014)
      © 2014 Adonis et al. Background: The mortality of lung cancer (LC), increases each year in the world, in spite of any advances, in development of new drugs to advance stages of LC. The high incidence of LC has been associated ...
    • Biomechanical and structural responses of the aorta to intermittent hypobaric hypoxia in a rat model 
      Utrera, Andrés; Navarrete, Álvaro; González Candia, Alejandro Antonio; García Herrera, Claudio Moisés; Herrera Videla, Emilio Augusto (Nature, 2022)
      High altitude hypoxia is a condition experienced by diverse populations worldwide. In addition, several jobs require working shifts where workers are exposed to repetitive cycles of hypobaric hypoxia and normobaric ...
    • Biomechanical characterization of the passive response of the thoracic aorta in chronic hypoxic newborn ... 
      Rivera, Eugenio; Canales, Claudio; Pacheco, Matías; García Herrera, Claudio; Macías, Demetrio; Celentano, Diego J.; Herrera Videla, Emilio Augusto (Nature, 2021)
      The present study involves experiments and modelling aimed at characterizing the passive structural mechanical behavior of the chronic hypoxic lamb thoracic aorta, whose gestation, birth and postnatal period were carried ...
    • Biomechanical properties of different techniques used in vitro for suturing mid-substance Achilles tendon ruptures 
      Fuente, Carlos de la; Cruz Montecinos, Carlos; Schimidt, Helen L.; Henriquez, Hugo; Ruidiaz, Sebastián; Carpes, Felipe P. (Elsevier, 2017)
      Background: The Dresden technique preserves the paratenon during Achilles tendon repair and may improve the plantarflexor mechanism when combined with mobilization during early rehabilitation. However, the surgical repair ...
    • Biomedicine and the quality of life. A theoretical analysis Biomedicina y calidad de vida. Un análisis teórico. 
      Lolas Stepke, Fernando (1990)
      The notions of illness (subjective feeling), disease (technical labeling) and sickness (societal evaluation) are used for highlighting the fact that they constitute semantic spaces which may not coincide. Several factors ...
    • Biometrical analysis of larval digging behavior in Drosophila melanogaster 
      Godoy Herrera, Raúl (Kluwer Academic Publishers-Plenum Publishers, 1994)
      Digging behavior of D. melanogaster larvae increases as larval development proceeds. Diallel crosses were made to analyze genetically digging behavior at 72 and 108 h of larval age. Additive and dominance variation was ...
    • Biopsia estereotáxica mamaria: 2 años de experiencia 
      González Mons, Paulina; Arancibia Hernández, Patricia; Laupheimer G., Silvia; López P., Alejandra; Droguett Ingus, María Elisa; Miranda V., Edith; Taub Estrada, Teresa; Díaz C., Lorena; Cañipa Z., Elizabeth; Moyano Schlegel, Leonor (2008)
      Introduction: Directional vacuum-assisted stereotactic breast biopsy (DVAB), represents an excellent method for obtaining pathological diagnosis, being in many cases an alternative to surgery. Objectives: To present ...