Mostrando ítems 481-500 de 1852

    • Subtypes of minimal residual disease and outcome for stage II colon cancer treated by surgery alone 

      Murray, Nigel P.; Aedo, Socrates; Villalón, Ricardo; Albarran, Vidal; Orrego, Shenda [Univ Mayor, Fac Med, Chile]; Guzmán, Eghon [Univ Mayor, Fac Med, Chile] (Cancer Intellilgence, 2020-10)
      Introduction: Twenty-five percent of stage II colon cancer (CC) patients relapse within 5 years due to minimal residual disease (MRD) not eliminated by surgery. We hypothesise that subtypes of MRD, defined by circulating ...
    • Suicidal ideation and attempts following nonmedical use of prescription opioids and related disorder 

      Santaella-Tenorio, Julián; Martins, Silvia S.; Cerda, Magdalena; Olfson, Mark; Keyes, Katherine M. [Univ Mayor, Ctr Res Soc & Hlth, Chile] (Chile. Universidad Mayor, 2022-01)
      Background Since 1999, the rate of fatal prescription opioid overdoses and of suicides has dramatically increased in the USA. These increases, which have occurred among similar demographic groups, have led to the hypothesis ...
    • Tales from within: Gifted Students' Lived Experiences with Teaching Practices in Regular Classrooms 

      Gómez-Arizaga, María P.; Valdivia-Lefort, Marieta; Castillo-Hermosilla, Hernán [Universidad Mayor, Santiago, Chile]; Hebert, Thomas P.; Conejeros-Solar, María Leonor (MDPI AG, 2020-05)
      Gifted students in regular classrooms have fewer opportunities to develop activities that are based on their characteristics as learners and address their needs; however, many of them spend most of their school time in ...
    • Fármacos de uso frecuente en dermatología como terapia para COVID-19 

      Ortega-Pena, M. [Univ Mayor, Escuela Med, Santiago, Chile]; González-Cuevas, R. (Ediciones Doyma, S.L., 2021-02)
      Frente a la necesidad de encontrar una alternativa terapéutica que logre disminuir el impacto negativo de la COVID-19 y mejore el pronóstico actual de los pacientes, investigadores de todo el mundo se esfuerzan por aportar ...
    • Esmalte en Terminología: Concordancia y Propuesta para Terminologia Anatomica, Histologica y Embryologica 

      Panes, Camila; Nicholson, Christopher [Univ Mayor, Fac Estudios Interdisciplinarios, Nucleo Idiomas, Temuco, Chile]; Sol, Mariano del (Universidad de la Frontera, 2020-06)
      El esmalte dental es una estructura considerada en Terminologia Anatomica, Histologica y Embryologica. Los términos incluidos relacionados a él presentan tres raíces asociadas: enamel, amelo y adamantino. El objetivo de ...
    • The CAPRA-S score versus subtypes of minimal residual disease to predict biochemical failure after radical prostatectomy 

      Murray, Nigel P.; Aedo, Socrates; Fuentealba, Cynthia; Reyes, Eduardo; Salazar, Anibal; Orrego, Shenda [Univ Mayor, Fac Med, Chile]; Guzmán, Eghon [Univ Mayor, Fac Med, Chile] (Cancer Intellilgence, 2020-06)
      Objective: The objective of this study was to compare the CAPRA-S score (based on clinicopathological findings) and the subtypes of minimal residual disease (MRD) (based on the biological properties of cancer cells) to ...
    • The expression of matrix-metalloproteinase-2 in bone marrow micro-metastasis is associated with the presence of circulating prostate cells and a worse prognosis in men treated with radical prostatectomy for prostate cancer 

      Murray, Nigel P.; Reyes, Eduardo; Salazar, Anibal; López, Marco Antonio [Univ Mayor, Fac Med, Santiago, Chile]; Orrego, Shenda [Univ Mayor, Fac Med, Chile]; Guzmán, Eghon [Univ Mayor, Fac Med, Chile] (Aves, 2020-05)
      Objective: The expression of matrix-metalloproteinase-2 (MMP-2) in the primary tumor is associated with a worse prognosis but little is known at this time regarding the expression in micro-metastasis, the association with ...
    • Effect of functionalized silica nanoparticles on the mass transfer process in active PLA nanocomposite films obtained by supercritical impregnation for sustainable food packaging 

      Sepúlveda, Javiera; Villegas, Carolina; Torres, Alejandra; Vargas, Esteban; Rodríguez, Francisco; Baltazar, Samuel; Prada, Alejandro [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Rojas, Adrián; Romero, Julio; Faba, Simón; Galotto, María José (Elsevier, 2020-07)
      Nanocomposite films based on PLA with 1.0 % w/w silica nanoparticles (NP) and surface-functionalized silica nanoparticles with lactic acid (NP-LA), respectively, were obtained by extrusion process. Subsequently, cinnamaldehyde ...
    • Delincuencia y gubernamentalidad neoliberal en el cine chileno de la transición a la democracia 

      Silva-Escobar, Juan Pablo [Univ Mayor, Fac Artes, Ctr Invest Artes & Humanidades CIAH, Chile]; Raurich, Valentina (Ariadna Ediciones, 2020-01)
      Este artículo analiza las representaciones fílmicas de la delincuencia en el cine de la transición chilena a la democracia, poniendo atención a la relación entre discurso fílmico y contexto sociopolítico. Para ello, ...
    • El impacto inicial con antepié incrementa la actividad muscular del gastrocnemios durante la carrera: Un estudio cuantitativo de actividad electromiográfica 

      Valencia, Oscar; Cristi, Iver [Univ Mayor, Chile]; Ahumada, Dario; Meza, Keiny; Salas, Rodrigo; Weinstein, Alejandro; Guzmán-Venegas, Rodrigo (Chile. Universidad Mayor, 2020)
      Un importante porcentaje de las lesiones de miembros inferiores ha sido vinculado a la técnica de carrera, en particular, al contacto inicial con retropié (RP) o antepié (AP). Sin embargo, existe limitada evidencia de la ...
    • The joint association of sarcopenia and frailty with incidence and mortality health outcomes: A prospective study 

      Petermann-Rocha, Fanny; Gray, Stuart R.; Pell, Jill P.; Ho, Frederick K.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile] (Churchill Livingstone, 2021-04)
      Background: Sarcopenia and frailty are strongly associated with disease incidence and mortality. However, there is limited evidence regarding their joint association with health outcomes. This study aimed to investigate ...
    • Central odontogenic fibroma: an international multicentric study of 62 cases 

      Roza, Ana Luiza Oliveira Correa; Sousa, Emanuel Mendes; Leite, Amanda Almeida; Amaral-Silva, Gleyson Kleber; Morais, Thayna Melo de Lima; Wagner, Vivian Petersen; Schuch, Lauren Frenzel; Vasconcelos, Ana Carolina Uchoa; de Arruda, Jose Alcides Almeida; Mesquita, Ricardo Alves; Fonseca, Felipe Paiva; Abrahao, Aline Correa; Agostini, Michelle; de Andrade, Bruno Augusto Benevenuto; da Silveira, Ericka Janine Dantas; Martinez-Flores, René; Martinez Rondanelli, Benjamin [Mayor Univ, Dept Oral Pathol & Oral Med, Fac Dent, Chile]; Alberdi-Navarro, Javier; Robinson, Liam; Marin, Constanza; Assuncao Junior, Jose Narciso Rosa; Valiati, Renato; Rodrigues Fregnani, Eduardo; (Santos-Silva, Alan Roger; Lopes, Marcio Ajudarte; Hunter, Keith D.; Khurram, Syed Ali; Speight, Paul M.; Mosqueda-Taylor, Adalberto; van Heerden, Willie F. P.; Carlos, Roman; Wright, John M.; de Almeida, Oslei Paes; Romanach, Mario José; Vargas, Pablo Agustin (Elsevier USA, 2021-05)
      Objective. The aim of this study was to report the clinicopathologic features of 62 cases of central odontogenic fibroma (COdF). Study Design. Clinical and radiographic data were collected from the records of 13 oral ...
    • "Pick up anything that moves": a qualitative analysis of a police crackdown against people who use drugs in Tijuana, Mexico 

      Morales, Mario; Rafful, Claudia; Baker, Pieter; Arredondo, Jaime; Kang, Sunyou; Mittal, Maria L.; Rocha-Jimenez, Teresita [Univ Mayor, Fac Humanidades, Soc & Hlth Res Ctr, Chile]; Strathdee, Steffanie A.; Beletsky, Leo (Springer Open, 2020-04)
      Background Homeless people who use drugs (PWUD) are often displaced, detained, and/or forced into drug treatment during police crackdowns. Such operations follow a zero-tolerance approach to law enforcement and have a ...
    • Orientaciones deporte y COVID-19: Recomendaciones sobre el retorno a la actividad física y deportes de niños niñas y adolescentes 

      Kalazich Rosalesa, Cesar; Valderrama Erazob, Paulo; Flandez Valderrama, Jorge; Burboa Gonzalez, Jair; Humeres Terneus, Daniel; Urbina Stagno, Raúl; Jesam Sarquis, Francisca; Serrano Reyes, Andrés; Verdugo Miranda, Francisco [Universidad Mayor, Chile]; Smith Plaza, Raúl; Valenzuela Contreras, Luis (Sociedad Chilena de Pediatria, 2020)
      La pandemia por COVID-19, originada en diciembre de 2019 en Wuhan, China, obligó a los países, incluido Chile, a un confinamiento masivo para evitar la propagación de SARS-CoV2. Desde marzo de 2020 en Chile, también se ...
    • Spatio-temporal variation of the strain field in the southern Central Andes broken-foreland (27 degrees 30 ' S) during the Late Cenozoic 

      Quiroga, R.; Pena, M. [Univ Mayor, Escuela Geol, Chile]; Poblete, F.; Giambiagi, L.; Mescua, J.; Gómez, I.; Echaurren, A.; Perroud, S.; Suriano, J.; Martínez, F.; Espinoza, D. (Elsevier BV, 2021-03)
      We present an integrated structural and Anisotropy of Magnetic Susceptibility (AMS) study focused on the characterization of the spatio-temporal variation of the strain field during the main Neogene deformation, of the ...
    • Resignificaciones sociales del silencio y socialidad de la escucha en Ciudad de México. Memoria, historia y sentidos en el México contemporáneo 

      Bieletto-Bueno, Natalia [Chile. Universidad Mayor. CIAH] (Universitat Oberta de Catalunya, 2020-01)
      En este texto se problematiza la noción de “silencio” y sus usos metafóricos para asistir la movilización de afectos entre los habitantes de Ciudad de México. El argumento toma como premisa que la escucha es una experiencia ...
    • Simulated mechanical properties of finite-size graphene nanoribbons 

      Aparicio, E.; Tangarife, E. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Muñoz, F.; Gonzalez, R., I [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Valencia, F. J.; Careglio, C.; Bringa, E. M. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile] (IOP Publishing Ltd., 2021-01)
      There are many simulation studies of mechanical properties of graphene nanoribbons (GNR), but there is a lack of agreement regarding elastic and plastic behavior. In this paper we aim to analyze mechanical properties of ...
    • P130Cas/bcar1 mediates zebrafish caudal vein plexus angiogenesis 

      Wisniewski, Laura; French, Vanessa; Lockwood, Nicola; Valdivia, Leonardo E. [Univ Mayor, Ctr Integrat Biol, Fac Sci, Chile]; Frankel, Paul (Nature Publishing Group, 2020-09)
      P130CAS/BCAR1 belongs to the CAS family of adaptor proteins, with important regulatory roles in cell migration, cell cycle control, and apoptosis. Previously, we and others showed that P130CAS mediates VEGF-A and PDGF ...
    • Neonatal glucocorticoid overexposure alters cardiovascular function in young adult horses in a sex-linked manner 

      Valenzuela, Orlando A. [Univ Mayor Chile, Ctr Biotecnol Reprod, Temuco, Chile]; Jellyman, Juanita K.; Allen, Vanessa L.; Niu, Youguo; Holdstock, Nicola B.; Forhead, Alison J.; Giussani, Dino A.; Fowden, Abigail L.; Herrera, Emilio A. (Cambridge University Press, 2021-04)
      Prenatal glucocorticoid overexposure has been shown to programme adult cardiovascular function in a range of species, but much less is known about the long-term effects of neonatal glucocorticoid overexposure. In horses, ...
    • Methodological design for the assessment of physical activity and sedentary time in eight Latin American countries - The ELANS study 

      de Moraes Ferrari, Gerson Luis [Univ Mayor, CIFE, Chile]; Kovalskys, Irina; Fisberg, Mauro; Gómez, Georgina; Rigotti, Attilio; Cortés Sanabria, Lilia Yadira; Yepez García, Martha Cecilia; Pareja Torres, Rossina Gabriella; Herrera-Cuenca, Marianella; Zimberg, Iona Zalcman; Guajardo, Viviana; Pratt, Michael; Scholes, Shaun; Goncalves, Priscila Bezerra; Sole, Dirceu (Elsevier BV, 2020-03)
      Worldwide studies of physical activity and sedentary time have historically under-represented low- and middle-income countries due to the lack of surveillance data. The purpose of this paper is to describe the methods and ...


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