Browsing by Title Artículos de revistas

Now showing items 7231-7250 of 11551

    • Nanotechnology-based drug delivery strategies to repair the mitochondrial function in neuroinflammatory and ... 
      González, Luis F.; Bevilacqua Corredoira, Lorenzo Emilio; Naves Pichuante, Rodrigo Antonio (MDPI, 2021)
      Mitochondria are vital organelles in eukaryotic cells that control diverse physiological processes related to energy production, calcium homeostasis, the generation of reactive oxygen species, and cell death. Several studies ...
    • Narrative discourse in first grade children with specific language impairment (SLI) Discurso narrativo en ... 
      Coloma, Carmen Julia (2014)
      Narrative production in children with Specific Language Impairment (SLI) may be poor, and that deficit could impact their school performance. There is scarce information regarding the features of the narrative deficit in ...
    • Nasal carriage of Streptococcus pneumoniae in elderly subjects according to vaccination status 
      Altuzarra, Rogelio; Valenzuela Bravo, María Teresa; Trucco Aray, Olivia; Inostroza, Jaime; Granata Sasson, Paulo; Fleiderman, José (2007)
      Background: S pneunaoniae is the main cause of community-acquired pneumonia in the elderly,. group that concentrates 95% of deaths. Aim: To assess the prevalence of nasal carriage of S pneumoniae in institutionalized elderly ...
    • Nasal natural killer/T-cell lymphoma and its association with type "i"/Xhol loss strain Epstein-Barr virus in Chile 
      Cabrera Contreras, María Elena; Eizuru, Yoshito; Itoh, T.; Koriyama, Chihaya; Tashiro, Y.; Ding, Shan; Rey, Sergio; Akiba, Suminori; Corvalán, Alejandro (2007)
      Background: Nasal T/natural killer (NK)-cell lymphoma is an aggressive type of non-Hodking's lymphoma associated with Epstein-Barr virus (EBV) and striking geographical variations worldwide. Aim: To characterise nasal ...
    • Nasal profile assessment using geometric morphometrics in a sample of Chilean population. Clinical and ... 
      López, Bernarda; Toro, Viviana; Schilling, Alejandro; Galdames, Iván Suazo (Universidad de la Frontera, 2012)
      The search of morphological patterns of nasal profile using traditional morphometrics has been the goal of several studies aiming to orient therapeutical planning and forensic techniques such as facial reconstruction. The ...
    • Nasal reconstruction with a forehead flap in children younger than 10 years of age 
      Giugliano, Carlos; Andrades Cvitanic, Patricio; Benítez Seguel, Susana Alejandra (2004)
      Nasal reconstruction has been analyzed extensively in adults but not in children. The purpose of this article is to review the authors' experience with the forehead flap for nasal reconstruction in 10 children under the ...
    • National Health Insurance: A conceptual framework from conflicting typologies 
      Cuadrado, Cristóbal; Crispi, Francisca; Libuy, Matías; Marchildon, Gregory; Cid, Camilo (Elsevier Ireland Ltd, 2019)
      In the path to universal health coverage, policymakers discuss different alternative health system's financing schemes. Classical typologies have been posited, including models such as National Health Service, Social Health ...
    • National Health Policy Reform for Primary Care in Chile: A Qualitative analysis of the health program documents 
      Domínguez Cancino, Karen A.; Palmieri, Patrick A.; Martínez Gutiérrez, María Soledad (SAGE, 2020)
      Introduction: Chilean policy makers reformed the national health policy for primary health care (PHC), shifting from the traditional biomedical model to the integral family and community health model with a biopsychosocial ...
    • National Trend in Laparoscopic Gastrectomy for Gastric Cancer: Analysis of the National Register in Chile 
      Norero, Enrique; Funke, Ricardo; Garcia, Carlos; Fernandez, Jose Ignacio; Lanzarini, Enrique; Rodriguez, Jorge; Ceroni, Marco; Crovari, Fernando; Pinto, Gerardo; Musleh, Maher; Gonzalez, Paulina (S. Karger AG, 2018)
      © 2018 S. Karger AG, Basel.Introduction: The laparoscopic approach for the treatment of gastric cancer has many advantages. However, outside Asia there are few large case series. Aim: To evaluate postoperative morbidity, ...
    • Native American gene flow into Polynesia predating Easter Island settlement 
      Ioannidis, Alexander G.; Blanco Portillo, Javier; Sandoval, Karla; Hagelberg, Erika; Miquel-Poblete, Juan Francisco; Moreno Mayar, J. Víctor; Rodríguez Rodríguez, Juan Esteban; Auckland, Kathryn; Parks, Tom; Robson, Kathryn; Hill, Adrian V. S.; Ávila Arcos, María C.; Sockell, Alexandra; Homburger, Julian R; Wojcik, Genevieve L.; Barnes, Kathleen C.; Herrera, Luisa M.; Berríos, Soledad; Acuña, Mónica; Llop, Elena; Eng, Celeste; Huntsman, Scott; Burchard, Esteban G.; Gignoux, Christopher R.; Cifuentes, Lucía O.; Verdugo Salgado, Ricardo; Moraga Vergara, Mauricio; Mentzer, Alexander J.; Bustamante, Carlos D.; Moreno Estrada, Andrés (Nature, 2020)
      The possibility of voyaging contact between prehistoric Polynesian and Native American populations has long intrigued researchers. Proponents have pointed to the existence of New World crops, such as the sweet potato and ...
    • Native strains of Trichoderma from northern Chile: Adaptive tolerance in boric saline soils 
      Salvatierra-Martínez, Ricardo; Sepúlveda-Chavera, Germán; Huanca-Mamani, Wilson; Rodríguez-Molina, Manuel (Interciencia Association, 2015)
      © 2015, Interciencia Association. All rights reserved. Commercial strains of Trichoderma show erratic results on soil diseases in northern Chile. Tolerance and antagonistic capacity were assessed in 10 isolates of native ...
    • Natural and synthetic naphthoquinones active against Trypanosoma cruzi: An initial step towards new drugs ... 
      Salas, Cristian O.; Faúndez, Mario; Morello Casté, Antonio; Maya Arango, Juan; Tapia, Ricardo A. (2011)
      Chagas disease is one of the most important endemic diseases in Latin America, caused by Trypanosoma cruzi. The drugs used for the treatment of this disease, nifurtimox and benznidazole, are toxic and present severe side ...
    • Natural history of diabetic retinopathy in a retrospective cohort of type 1 diabetics Historia natural de ... 
      Verdaguer, Juan; Zanolli, Mario; Sepúlveda, Gonzalo; García de los Ríos, Manuel; Domínguez, Angélica (2009)
      Background: Diabetic retinopathy is one of the most common causes of blindness among adults. Aim: To report the natural history of diabetic retinopathy among Chilean patients with type 1 diabetes followed for a mean of 18 ...
    • Natural history, treatment, and long-term follow up of patients with multiple endocrine neoplasia type 2B: ... 
      Castinetti, Frederic; Waguespack, Steven G.; Machens, Andreas; Uchino, Shinya; Hasse-Lazar, Kornelia; Sanso, Gabriella; Else, Tobias; Dvorakova, Sarka; Qi, Xiao Ping; Elisei, Rossella; Maia, Ana Luisa; Glod, John; Lourenço, Delmar Muniz; Valdes, Nuria; Mathiesen, Jes (Lancet Publishing Group, 2019)
      © 2019 Elsevier LtdBackground: Multiple endocrine neoplasia type 2B is a rare syndrome caused mainly by Met918Thr germline RET mutation, and characterised by medullary thyroid carcinoma, phaeochromocytoma, and extra-endocrine ...
    • Natural killer cell activity in patients with septic shock 
      Maturana, Patricio; Puente, Javier; Miranda, Dante; Sepulveda, Cecilia; Wolf, Marion E.; Mosnaim, Aron D. (1991)
      Natural killer cell activity (NKCA) was studied in a group of patients (n = 11) with septic shock. When compared with controls (n = 10), these individuals showed a statistically significant reduction in NKCA at each of the ...
    • Natural killer cell signal transduction mechanism mediated by lipopolysaccharide activation 
      Puente, Javier; Miranda, Dante; Blanco, Luz; Wolf, Marion E.; Mosnaim, Aron D. (1998)
      The increase in human natural killer cell activity (NKCA) in samples of peripheral blood mononuclear cells (PBMC) elicited by their incubation with bacterial lipopolysaccharide (LPS), appears to result from an indirect ...
    • Natural killer cytolytic activity in renal and prostatic cancer Actividad citolítica NK en cáncer renal y ... 
      Parra,; Pinochet, Pinochet, Carmen Carmen; Vargas Consuegra, Leandro Vargas; Sepúlveda Sepúlveda, Ximena Andrea; Miranda, Daniela; Puente, Javier (1994)
      Natural killer cytolytic activity, the basis of cancer immunotherapy that uses cytolytic cells, may be impaired in cancer. The aim of this work was to study in vitro the natural killer cytolytic activity and its response ...
    • Natural mediotrusive contact: does it affect the masticatory and neck EMG activity during tooth grinding? 
      Fuentes, Aler D.; Martin, Conchita; Bull Simpfendorfer, Ricardo; Santander, Hugo; Gutiérrez, Mario F.; Miralles Lozano, Rodolfo Isaac (Taylor & Francis, 2016)
      Objectives: There is scarce knowledge regarding the influence of a natural mediotrusive contact on mandibular and cervical muscular activity. The purpose of this study was to analyze the EMG activity of the anterior ...
    • Natural Programmed Cell Death in T. cruzi Epimastigotes Maintained in Axenic Cultures 
      Jiménez, V.; Paredes, R.; Sosa, M. A.; Galanti Garrone, Norbel (WILEY-LISS, DIV JOHN WILEY & SONS INC, 2008-10-15)
      Trypanosoma cruzi, a parasitic protozoan, is the agent of Chagas' disease or American trypanosomiasis, an endemic pathology in Latin America, affecting up to 18 million people, with high public health costs. Programmed ...
    • Natural sesquiterpene lactones are active against Leishmania mexicana 
      Barrera, Patricia A.; Jimenez-Ortiz, Verónica; Tonn, Carlos; Giordano, Oscar; Galanti Garrone, Norbel; Sosa, Miguel A. (2008)
      In this paper, the effects of 3 natural sesquiterpene lactones, i.e., helenalin (Hln), mexicanin (Mxc), and dehydroleucodine (DhL), were evaluated using cultured Leishmania mexicana promastigotes. It was observed that the ...