Browsing by Title Artículos de revistas

Now showing items 11363-11382 of 11560

    • Variability in leucocyte profiles in thin-billed prions Pachyptila belcheri 
      Quillfeldt, Petra; Ruiz, Gricelda; Aguilar Rivera, Marcelo; Masello, Juan F. (ELSEVIER SCIENCE INC, 2008-05)
      Because immune function competes for the resources that can be allocated to other activities, studies of immunological ecology may offer a powerful tool for explaining how reproductive effort links to reproductive costs ...
    • Variability in the response of human dendritic cells stimulated with porphyromonas gingivalis or aggregatibacter ... 
      Vernal Astudillo, Rolando; Leon, R.; Herrera, D.; García Sanz, José A.; Silva, A.; Sanz, M. (2008)
      Background and Objective: Dendritic cells are able to prime and polarize naïve T cells towards either a T helper 1 or a T helper 2 response, depending on the antigen type and concentration, the costimulatory signals and ...
    • Variability of an ideal insertion vector for cochlear implantation 
      Breinbauer, Hayo Andrés; Praetorius, Mark (Lippincott Williams and Wilkins, 2015)
      © 2015, Otology & Neurotology, Inc. Hypothesis: Based on a three-dimensional analysis, the orientation of the basal turn of the cochlea, the disposition of the basilar membrane, and the characteristics of the hook region ...
    • Variability of glycemic and insulin response to a standard meal, within and between healthy subjects ... 
      Hirsch Birn, Sandra; Barrera, Gladys; Leiva, Laura; Maza Cave, María Pía de la; Bunout Barnett, Daniel (2013)
      Aim: To test the variability within and between subject of glycemic response test following the ingestion of a standard food. Material and methods: Glucose and insulin response of a standard meal (white bread) was performed ...
    • Variability of the heart rate: its physiopathological basis and its use as prognostic index after acute ... 
      Vukasovic,; Florenzano Urzúa, Fernando (1995)
      The analysis of heart rate variability studies the normal oscillatory changes of the cardiac cycle. These changes are periodical or incidental and are controlled by humoral, sympathetic and parasympathetic stimuli. Frequency ...
    • Variantes alélicas de CYP1A1 y GSTM1 como biomarcadores de susceptibilidad a cáncer gástrico: influencia ... 
      Lee, Kuen; Cáceres Lillo, Dante; Varela Figueroa, Nelson; Csendes Juhasz, Attila; Ríos R., Horacio; Quiñones Sepúlveda, Luis (2006)
      Background: Gastric cancer (GaC) is the second cause of death by cancer in the world and one of the first causes in Chile. However, the burden of this disease shows remarkable worldwide variation probably explained by ...
    • Variantes genéticas de CYP2A6 y su relación con la dependencia tabáquica y el hábito de fumar en una muestra ... 
      Cáceres Lillo, Dante; Alvarado, Sergio A.; Martínez, Paulina; Quiñones Sepúlveda, Luis (2012)
      Background: Genetic and metabolic factors associated with nicotine metabolism may be related to smoking behavior. Aim: To assess the prevalence of allelic and genotype variants of CYP2A6 in a sample of Chilean subjects ...
    • Variants in DNA double-strand break repair genes and risk of familial breast cancer in a South American population 
      Jara, Lilian; Dubois, Karen; Gaete, Daniel; De Mayo, Tomas; Ratkevicius, Nikalai; Bravo, Teresa; Margarit, Sonia; Blanco, Rafael; Gómez, Fernando; Waugh, Enrique; Peralta, Octavio; Reyes, Jose M.; Ibáñez, Gladys; González Hormazábal, Patricio (Springer New York, 2010)
      The double-strand break (DSB) DNA repair pathway has been implicated in breast cancer (BC). RAD51 and its paralogs XRCC3 and RAD51D play an important role in the repair of DSB through homologous recombination (HR). Some ...
    • Variation in the number of metamers of rectus abdominis muscle. A high definition lipoesculture guide ... 
      Danilla Enei, Stefan; Domínguez-Contreras, Carlos; Cuneo-Barbosa, Nicole; Lopez-García, Lorena; León-Cabrera, Evelyn; Cisternas-Vera, Juan Pablo; Erazo-Cortés, Cristian; Andrades Cvitanic, Patricio; Sepúlveda Pereira, Sergio (Sociedad Espanola de Cirugia Plastica Reparadora y Estetica (SECPRE), 2018)
      © 2018 Sociedad Espanola de Cirugia Plastica Reparadora y Estetica (SECPRE). All rights reserved. Background and Objective. Rectus abdominis muscle usually have 3 tendinous intersections. The aims of high definition abdominal ...
    • Variation in Trypanosoma cruzi clonal composition detected in blood patients and xenodiagnosis triatomines: ... 
      Coronado, Ximena; Zulantay Alfaro, Inés; Albrecht, Helena; Rozas, Marlene; Apt Baruch, Werner; Ortiz Zúñiga, Sylvia; Rodríguez Borges, Jorge; Sánchez, Gittith; Solari Illescas, Aldo (AMER SOC TROP MED & HYGIENE, 2006-06)
      To identify Trypanosoma cruzi clones from chronically infected individuals, they were transferred to triatomines by the xenodiagnosis test (XD) with Triatoma infestans. Polymerase chain reaction (PCR) and hybridization ...
    • Variations in childbirth interventions in high-income countries: protocol for a multinational cross-sectional study 
      Seijmonsbergen-Schermers, Anna; de Jonge, Ank; van den Akker, Thomas; Beeckman, Katrien; Bogaerts, Annick; Barros, Monalisa; Janssen, Patricia; Binfa Esbir, Lorena; Rydahl, Eva; Frith, Lucy; Gross, Mechthild; Halfdansdottir, Berglind; Daly, Deirdre; Calleja-Agius, Jean; Gillen, Patricia; Nilsen, Anne Britt Vika; Declercq, Eugene (BMJ Publishing Group, 2018-01)
      Introduction There are growing concerns about the increase in rates of commonly used childbirth interventions. When indicated, childbirth interventions are crucial for preventing maternal and perinatal morbidity and ...
    • Variations in use of childbirth interventions in 13 high-income countries: A multinational cross-sectional study 
      Seijmonsbergen Schermers, Anna E.; van den Akker, Thomas; Rydah, Eva; Beeckman, Katrien; BogaertsI, Annick; Binfa Esbir, Lorena; Frith, Lucy; Gross, Mechthild M.; Misselwitz, Björn; Hálfdánsdóttir, Berglind; Daly, Deirdre; Corcoran, Paul; Calleja Agius, Jean; Calleja, Neville; Gatt, Miriam; Anne, Anne Britt Vika; Declercq, Eugene; Gissler, Mika; Heino, Anna; Lindgren, Helena; de Jonge, Ank (Public Library of Science (PLOS), 2020)
      In this multinational cross-sectional study, existing data on 4,729,307 singleton births at >= 37 weeks in 2013 from Finland, Sweden, Norway, Denmark, Iceland, Ireland, England, the Netherlands, Belgium, Germany (Hesse), ...
    • Variations in UV radiation in Chile 
      Fica Cabrera, Sergio Rafael; Bozzo, Salvador; Fuenzalida, Humberto (1995)
      The first observation of UV global radiation in Chile with a portable multichannel radiometer are reported. Four UV wavelengths are included: 305, 320, 340 and 380 nm. Observation latitudes spanning from 18° to 53 °S allow ...
    • Variceal and non-variceal upper gastrointestinal bleeding. Analysis of 249 hospitalized patients Hemorragia ... 
      Pinto, C; Parra, P; Magna, J; Gajardo, A; Berger, Z; Montenegro, C; Munoz, P (Sociedad Medica de Santiago, 2020)
    • Vascular anastomosis techniques in renal transplants 
      Aguiló, J.; Rodriguez, O.; Gaete, J.; Galleguillos, I. (1991)
      In our series of 250 RT's 192 (76.8%) from living donors and 58 (23.27%) from cadaver donors, there were 207 (88.8%) kidneys with a single renal artery, 40 (16%) with a double artery and 3 (1.2%) with a triple artery. End ...
    • Vascular mineralocorticoid receptor and blood pressure regulation 
      Tarjus, Antoine; Amador, Cristian; Michea Acevedo, Luis; Jaisser, Frédéric (Elsevier, 2015)
      The mineralocorticoid receptor (MR) is a major regulator of blood pressure by modulating sodium balance and blood volume in the distal nephron. The discovery of MR expression in both endothelial and vascular smooth ...
    • Vascular smooth muscle reactivity to norepinephrine in ovariectomized rats: Relationship to vascular ... 
      Zamorano, B.; Bruzzone Valdés, María Eugenia; Martinez, J. L. (1995)
      1. 1. We have recently demonstrated that, in normal female rats, vascular reactivity (VR) and vascular prostaglandin-E2 (PGE2) and prostacyclin production are influenced by the ovarian cycle. 2. 2. In this study, we ...
    • Vasculitis nodular diseminada 
      San Martín Leal, Álvaro; González Cuevas, Rubén Wladimir; Lucchini Wortzman, Valentina; Affeld Carmona, Constanza (Elsevier, 2021)
    • Vasodilator tone in the llama fetus: the role of nitric oxide during normoxemia and hypoxemia 
      Sanhueza Reinoso, Emilia; Riquelme González, Raquel; Herrera Videla, Emilio; Giussani, Dino A.; Blanco, Carlos E.; Hanson, Mark A.; Llanos Mansilla, Jorge (AMER PHYSIOLOGICAL SOC, 2005-09)
      The fetal llama responds to hypoxemia, with a marked peripheral vasoconstriction but, unlike the sheep, with little or no increase in cerebral blood flow. We tested the hypothesis that the role of nitric oxide (NO) may be ...
    • Vegetable oils rich in alpha linolenic acid allow a higher accretion of n-3 LCPUFA in the plasma, liver and ... 
      Valenzuela, R.; Barrera, C.; Ayala, J. M.; Sanhueza, J.; Valenzuela, A. (Instituto de la Grasa, 2014)
      ALA is the precursor of EPA and DHA and its dietary availability is limited. Vegetable oils rich in ALA (48–64%) are alternatives for increasing its consumption. The conversion of ALA into EPA and DHA and the ratio ...