Browsing by Title Artículos de revistas

Now showing items 9034-9053 of 11560

    • Regional brain blood flow and cerebral hemispheric oxygen consumption during acute hypoxaemia in the Ilama fetus 
      Llanos Mansilla, Jorge; Riquelme, Raquel A.; Sanhueza, Emilia M.; Herrera Videla, Emilio; Cabello, Gertrudis; Giussani, Dino A.; Parer, Julian T. (2002)
      Unlike fetal animals of lowland species, the llama fetus does not increase its cerebral blood flow during an episode of acute hypoxaemia. This study tested the hypothesis that the fetal llama brain maintains cerebral ...
    • Regional specialization of the quail retina: Ganglion cell density and oil droplet distribution 
      Budnik, Vivian; Mpodozis Marín, Jorge; Varela G., Francisco; Maturana Romesín, Humberto (1984)
      The ganglion cell density of the quail's retina was studied in sections and whole mounts. Two regions of high ganglion cell density were found, corresponding to an afoveate area centralis and an area dorsalis. Oil droplets ...
    • Regional transient osteoporosis and reflex sympathetic dystrophy. Are they different entities or clinical ... 
      Cuchacovich Turteltaub, Miguel; Vial, Pablo; Trewhela,; Gatica, (1995)
      We report a 50 years old male that evolved with alternating episodes of osteoporosis with pain, edema and erythema of both feet. The patient presented clinical and radiological evidences of both transient regional osteoporosis ...
    • Regional variation in acute stroke care organisation 
      Muñoz Venturelli, Paula; Robinson, Thompson; Lavados Germain, Pablo Manuel; Olavarría, Verónica V.; Arima, Hisatomi; Billot, Laurent; Hackett, Maree L.; Lim, Joyce Y.; Billot, Laurent; Hackett, Maree L.; Lim, Joyce Y.; Middleton, Sandy; Pontes Neto, Octavio; Peng, Bin; Cui, Liying; Song, Lily; Mead, Gillian; Watkins, Caroline; Lin, Ruey Tay; Lee, Tsong Hai; Pandian, Jeyaraj; de Silva, H. Asita; Anderson, Craig S. (Elsevier, 2016-12)
      Few studies have assessed regional variation in the organisation of stroke services, particularly health care resourcing, presence of protocols and discharge planning. Our aim was to compare stroke care organisation within ...
    • Regionally Impaired Redox Homeostasis in the Brain of Rats Subjected to Global Perinatal Asphyxia: Sustained ... 
      Lespay Rebolledo, Carolyne; Pérez Lobos, Ronald; Tapia Bustos, Andrea; Vio, Valentina; Morales, Paola; Herrera-Marschitz Muller, Mario (Springer New York LLC, 2018)
      © 2018, Springer Science+Business Media, LLC, part of Springer Nature. The present report evaluates the effect of global perinatal asphyxia on several parameters of oxidative stress and cell viability in rat brain tissue ...
    • Registro de evaluación de tratamiento de cáncer gástrico en Chile (REGATE): Características clínicas basales ... 
      Müller, Bettina; Fuente H., Hernán de la; Barajas B., Olga; Cardemil J., Bernardita; Vila T., Antonio; Mordojovich S., Eduardo; Peña N., Karina; Castillo C., César; Campos M., Mónica; Rojas R., Hernán; Quijada P., Ingrid; Yáñez R., Cristian (SOC CIRUJANOS CHILE, 2011-04)
      Background: Gastric cancer is one of the leading causes of cancer-related deaths in Chile and worldwide. No consensus exists for therapeutic management. Aim: To assess clinical features and practice patterns of patients ...
    • Registro de paro cardiorrespiratorio en un hospital universitario en el período 2006-2017 
      Aguirre Carvajal, María Mercedes (Sociedad Médica de Santiago, 2019)
    • Regression of intestinal metaplasia to cardiac or fundic mucosa in patients with Barrett's esophagus submitted ... 
      Csendes Juhasz, Attila; Braghetto Miranda, Italo; Burdiles Pinto, Patricio; Smok Sahid, Gladys; Henríquez, Ana; Parada, Francisco (MOSBY, INC, 2006-01)
      Background. Regression of intestinal metaplasia to cardiac mucosa in patients with Barrett's (BE) esophagus could alter the natural history of BE. Objective. To determine the regression of intestinal metaplasia to cardiac ...
    • Regression of left ventricular hypertrophy in essential arterial hypertension Reversión de la hipertrofia ... 
      Román Román, Pablo (1994)
      The classic concept of a direct pathogenic relationship between high blood pressure and development of left ventricular hypertrophy has been challenged by observations such as the modest correlations between blood pressure ...
    • Regulación circadiana, patrón horario de alimentación y sueño: enfoque en el problema de obesidad 
      Chamorro Melo, Rodrigo; Farías, Rut; Peirano, Patricio (Sociedad Chilena de Nutrición, Bromatología y Toxicología, 2018)
      El reloj biológico determina la mantención de los ritmos circadianos en mamíferos, un tipo particular de ritmos biológicos de duración cercana a 24 horas. Existe una estrecha relación entre el funcionamiento del sistema ...
    • REGULACIÓN DE LA INVESTIGACIÓN BIOMÉDICA EN CHILE 
      Sotomayor Saavedra, María Angélica (PAN AMER HEALTH ORGANIZATION, 2008)
      Este artículo analiza el desarrollo normativo en Chile sobre investigación en seres humanos, a partir de 1990 y en el contexto de tratados de los derechos humanos. Se analiza la investigación científica desde el punto de ...
    • Regulated Inositol Requiring Enzyme 1 dependent mRNA decay sets the threshold for dendritic cell survival 
      Tavernier, Simon J.; Osorio Olivares, Fabiola; Vandersarren, Lana; Vetters, Jessica; Vanlangenakke, Nele; Van Isterdael, Gert; Vergote, Karl; De Rycke, Riet; Parthoens, Eef; van de Laar, Lianne; Iwawaki, Takao; Valle, Juan R. del; Hu, Chih-Chi Andrew; Lambrecht, Bart N.; Janssens, Sophie (Nature Publishing Group, 2017)
      The IRE1/XBP1 signaling pathway is part of a cellular program that protects from endoplasmic reticulum (ER) stress, but also controls development and survival of immune cells. Loss of XBP1 in splenic type 1 conventional ...
    • Regulation of a glutamyl-tRNA synthetase by the heme status 
      Levicán, Gloria; Katz, Assaf; De Armas, Merly; Núñez, Harold; Orellana, Omar (2007)
      Glutamyl-tRNA (Glu-tRNA), formed by Glu-tRNA synthetase (GluRS), is a substrate for protein biosynthesis and tetrapyrrole formation by the C 5 pathway. In this route Glu-tRMA is transformed to δ-aminolevulinic acid, the ...
    • Regulation of axonal development by the nuclear protein hindsight (pebbled) in the Drosophila visual system 
      Oliva, Carlos; Sierralta, Jimena (Academic Press Inc., 2010)
      The molecules and networks involved in the process of acquisition and maintenance of the form of a mature neuron are not completely known. Using a misexpression screen we identified the gene hindsight as a gene involved ...
    • Regulation of Cardiovascular Metabolism by Hormones and Growth Factors 
      Ibarra, Cristián; Lavandero González, Sergio; Estrada Hormazábal, Manuel (Hindawi Pub., 2015)
    • Regulation of cell survival by resveratrol involves inhibition of NFκB-regulated gene expression in prostate ... 
      Benitez, Dixan A.; Hermoso Ramello, Marcela; Pozo-Guisado, Eulalia; Fernández-Salguero, Pedro M.; Castellón, Enrique A. (2009)
      BACKGROUND. Polyphenols have been proposed as antitumoral agents. We have shown that resveratrol (RES) induced cell cycle arrest and promoted apoptosis in prostate cancer cells by inhibition of the PI3K pathway. The RES ...
    • Regulation of Drosophila Brain Wiring by Neuropil Interactions via a Slit-Robo-RPTP Signaling Complex 
      Oliva, Carlos; Soldano, Alessia; Mora, Natalia; De Geest, Natalie; Claeys, Annelies; Erfurth, Maria-Luise; Sierralta, Jimena; Ramaekers, Ariane; Dascenco, Dan; Ejsmont, Radoslaw K.; Schmucker, Dietmar; Sánchez Soriano, Natalia; Hassan, Bassem A. (Cell Press, 2016)
      The axonal wiring molecule Slit and its Round-About (Robo) receptors are conserved regulators of nerve cord patterning. Robo receptors also contribute to wiring brain circuits. Whether molecular mechanisms regulating these ...
    • Regulation of human luteal steroidogenesis in vitro by nitric oxide 
      Vega Blanco, María Margarita; Johnson, M. Cecilia; Díaz, Hugo A.; Urrutia, Luis R.; Troncoso, José L.; Devoto, Luigi (1998)
      To evaluate the effect of nitric oxide (NO·) in human corpus luteum (CL) function, we investigated the expression and the presence of NO· synthase (NOS) in the human CL and the action of NO· on the in vitro luteal ...
    • Regulation of immune-modulatory genes in left superior temporal cortex of schizophrenia patients: A genome-wide ... 
      Schmitt, Andrea; Leonardi-Essmann, Fernando; Durrenberger, Pascal F.; Parlapani, Eleni; Schneider-Axmann, Thomas; Spanagel, Rainer; Arzberger, Thomas; Kretzschmar, Hans; Herrera-Marschitz Muller, Mario; Gruber, Oliver; Reynolds, Richard; Falkai, Peter; Gebicke-Haerter, Pete (2011)
      Objectives. The role of neuroinflammation in schizophrenia has been an issue for long time. There are reports supporting the hypothesis of ongoing inflammation and others denying it. This may be partly ascribed to the ...
    • Regulation of leaderless mRNA translation in bacteria 
      Leiva, Lorenzo Eugenio; Katz Zondek, Assaf (MDPI, 2022)
      In bacteria, the translation of genetic information can begin through at least three different mechanisms: canonical or Shine-Dalgarno-led initiation, readthrough or 70S scanning initiation, or leaderless initiation. Here, ...