Mostrando ítems 1-20 de 47

    • 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 ...
    • Characterization of patients with epithelial dysplasia and carcinoma in situ in the oral cavity, 2000 to 2014 

      Martínez, Carolina; Olivares, Paulina; Martínez, Benjamín [Univ Mayor, Escuela de Odontología, Chile]; Fernández, Alejandra (Chile. Universidad de Concepción, 2020)
      Objetive: To characterize patients diagnosed with oral epithelial dysplasia and carcinoma in situ, according to their severity, location, age, sex and smoking habits. Materials and Methods: A descriptive study, based on ...
    • Percepciones de los estudiantes de Educación Física sobre el desempeño del profesorado 

      Bahamondes Acevedo, Valentina; Flores Ferro, Elizabeth; Maureira Cid, Fernando; Vargas Vitoria, Rodrigo; Gavotto Nogales, Omar; Véliz Véliz, Carlos [Universidad Mayor, Chile]; Aravena Garrido, Cristian (Federación Española de Docentes de Educación Física, 2021)
      Introducción: Las investigaciones de percepción de estudiantes sobre el desempeño del profesorado son fundamentales para estar al tanto de como el estudiantado se está desarrollando en la educación superior y, sobre todo, ...
    • 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 ...
    • La organización discursiva de los informes escritos por universitarios en formación inicial 

      Núñez Lagos, Paulina [Chile. Universidad Mayor. Escuela de Educación] (Universidad Nacional Autónoma de México, 2020-09)
      La investigación, inscrita en la tradición metodológica del análisis del discurso, tiene como objetivo describir las clases de informes que escriben los estudiantes del área de las Ciencias Sociales y Humanas en sus primeros ...
    • Hormetic-Like Effects of L-Homocysteine on Synaptic Structure, Function, and Aβ Aggregation 

      Montecinos-Oliva, Carla; Arrázola, Macarena S. [Center for Integrative Biology, Faculty of Sciences, Universidad Mayor, Chile]; Jara, Claudia; Tapia-Rojas, Cheril; Inestrosa, Nibaldo C. (MDPI Multidisciplinary Digital Publishing Institute, 2020-02)
      Alzheimer's Disease (AD) is the primary cause of dementia among the elderly population. Elevated plasma levels of homocysteine (HCy), an amino acid derived from methionine metabolism, are considered a risk factor and ...
    • Histological comparison of DBBM and platelet rich fibrin for guided bone regeneration in a rabbit model 

      Rezuc, Andres [Universidad Mayor, Escuela de Odontología, Chile]; Saavedra, Christian; Maass, Rodrigo; Poblete, Cristian [Universidad Mayor, Escuela de Tecnología Médica, Chile]; Nappe, Christian (Elsevier BV, 2020-09)
      Purpose: To histologically evaluate the use of bovine derived deproteinized xenograft (DBBM), leukocyte and platelet rich fibrin (L-PRF) and the combination of both in Guided Bone Regeneration (GBR) performed in non-critical ...
    • Understanding contagion dynamics through microscopic processes in active Brownian particles 

      Norambuena, Ariel [Univ Mayor, Ctr Invest DAiTA LAB, Fac Estudios Interdisciplinarios, Chile]; Valencia, Felipe J. [Univ Mayor, Fac Ciencias, Ctr Invest DAiTA Lab, Chile]; Guzman-Lastra, Francisca [Univ Mayor, Fac Ciencias, Ctr Invest DAiTA Lab, Chile] (Nature Publishing Group, 2020-11)
      Together with the universally recognized SIR model, several approaches have been employed to understand the contagion dynamics of interacting particles. Here, Active Brownian particles (ABP) are introduced to model the ...
    • Gender Differences between Multimorbidity and All-Cause Mortality among Older Adults 

      Roman Lay, Alejandra Andrea; Ferreira do Nascimento, Carla; Caba Burgos, Fresia; Larraín Huerta, Angélica Del Carmen; Rivera Zeballos, René Eduardo; Pantoja Silva, Verónica [Núcleo Ciencias Biológicas, Facultad de Estudios Interdisciplinarios, Universidad Mayor, Chile]; Oliveira Duarte, Yeda Aparecida de (Hindawi Publishing Corporation, 2020-02)
      Objectives: This study seeks to determine the prevalence of chronic diseases and analyze the association between multimorbidity and all-cause mortality by sex. Methods: This is a 16-year longitudinal study of follow-up. ...
    • Funcionalidad y marcha en pacientes con linfedema de miembro inferior tratados mediante un programa de ejercicio terapéutico: serie de casos 

      Araya-Castro, P.; Srur, E.; Toro, P. [Universidad Mayor, Chile] (Ediciones Doyma, S.L., 2021-05)
      Introducción El ejercicio físico es un pilar en el tratamiento conservador del linfedema; sin embargo, normalmente no se realiza un programa de ejercicio terapéutico enfocado a mejorar la funcionalidad. Objetivo Analizar ...
    • Interplay between rotational work shift and high altitude-related chronic intermittent hypobaric hypoxia on cardiovascular health and sleep quality in Chilean miners 

      Pizarro-Montaner, Camila [Univ Mayor, Master Phys Act & Sports Nutr Program, Chile]; Cancino-López, Jorge; Ponce-Reyes, Alvaro; Flores-Opazo, Marcelo (Taylor and Francis Ltd., 2020-10)
      Mining activities expose workers to diverse working conditions, rotational shifts and high altitude-related hypobaric hypoxia. Separately, each condition has been reported having a negative impact on miners' health risk; ...
    • Neuronal HIF-1 alpha in the nucleus tractus solitarius contributes to ventilatory acclimatization to hypoxia 

      Moya, Esteban A. [Univ Mayor, Ctr Invest Fisiol Ejercicio, Chile]; Go, Ariel; Kim, Cindy B.; Fu, Zhenxing; Simonson, Tatum S.; Powell, Frank L. (Wiley-Blackwell Publishing Ltd, 2020-05)
      We hypothesized that hypoxia inducible factor 1 alpha (HIF-1 alpha) in CNS respiratory centres is necessary for ventilatory acclimatization to hypoxia (VAH); VAH is a time-dependent increase in baseline ventilation and the ...
    • New Poly(imide)s Bearing Alkyl Side-Chains: A Study on the Impact of Size and Shape of Lateral Groups on Thermal, Mechanical, and Gas Transport Properties 

      Rodríguez-González, Fidel E.; Pérez, Germán; Niebla, Vladimir; Jessop, Ignacio; Martin-Trasanco, Rudy; Ortiz, Pablo A. [Univ Mayor, Fac Ciencias, Ctr Nanotecnol Aplicada, Chile]; Coll, Deysma [Univ Mayor, Fac Estudios Interdisciplinarios, Nucleo Quim & Bioquim, Chile]; Aguilar-Vega, Manuel; Tagle, Luis H.; Terraza, Claudio A.; Tundidor-Camba, Alain (MDPI AG, 2020-07)
      A set of five new aromatic poly(imide)s (PIs) incorporating pendant acyclic alkyl moieties were synthesized. The difference among them was the length and bulkiness of the pendant group, which comprises of linear alkyl ...
    • Identification of Metabolite and Lipid Profiles in a Segregating Peach Population Associated with Mealiness in Prunus persica (L.) Batsch 

      Lillo-Carmona, Victoria; Espinoza, Alonso; Rothkegel, Karin; Rubilar, Miguel; Nilo-Poyanco, Ricardo [Univ Mayor, Fac Ciencias, Escuela Biotecnol, Chile]; Pedreschi, Romina; Campos-Vargas, Reinaldo; Meneses, Claudio (MDPI Multidisciplinary Digital Publishing Institute, 2020-04)
      The peach is the third most important temperate fruit crop considering fruit production and harvested area in the world. Exporting peaches represents a challenge due to the long-distance nature of export markets. This ...
    • Nitrate in 2020: Thirty Years from Transport to Signaling Networks 

      Vidal, Elena A. [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Chile]; Alvarez, Jose M. [Univ Mayor, Fac Ciencias, Ctr Genom & Bioinformat, Chile]; Araus, Viviana; Riveras, Eleodoro; Brooks, Matthew D.; Krouk, Gabriel; Ruffel, Sandrine; Lejay, Laurence; Crawford, Nigel M.; Coruzzi, Gloria M.; Gutierrez, Rodrigo A. (American Society of Plant Biologists, 2020-07)
      Nitrogen (N) is an essential macronutrient for plants and a major limiting factor for plant growth and crop production. Nitrate is the main source of N available to plants in agricultural soils and in many natural environments. ...
    • Is waist-to-height ratio a better predictor of hypertension and type 2 diabetes than body mass index and waist circumference in the Chilean population? 

      Petermann-Rocha, Fanny; Ulloa, Natalia; Martínez-Sanguinetti, María Adela; Leiva, Ana María; Martorell, Miquel; Villagrán, Marcelo; Troncoso-Pantoja, Claudia; Ho, Frederick K.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile]; Pizarro, Alonso (Elsevier Inc., 2020-12)
      Objective: The aim of this study was to identify which anthropometric measurement (body mass index [BMI], waist circumference [WC], or waist-to-height ratio [WHtR]) is a better predictor of type 2 diabetes and hypertension ...
    • Optimal cut-off points for waist circumference in the definition of metabolic syndrome in Chile 

      Petermann-Rocha, Fanny; Martínez-Sanguinetti, María Adela; Ho, Frederick K.; Celis-Morales, Carlos A. [Univ Mayor, Ctr Exercise Physiol Res CIFE, Chile]; Pizarro, Alonso (Cambridge University Press, 2020-11)
      Objective: To identify sex-specific cut-off points for waist circumference (WC) in the definition of metabolic syndrome (MetS) for the Chilean adult population. Design: MetS was defined as the presence of at least two out ...
    • Pharmacological iron-chelation as an assisted nutritional immunity strategy against Piscirickettsia salmonis infection 

      Caruffo, Mario; Mandakovic, Dinka [Univ Mayor, GEMA Ctr Gen Ecol & Environm, Chile]; Mejias, Madelaine; Chavez-Baez, Ignacio; Salgado, Pablo; Ortiz, Daniela; Montt, Liliana; Pérez-Valenzuela, Javiera; Vera-Tamargo, Francisca; Yañez, Jose Manuel; Wacyk, Jurij; Pulgar, Rodrigo (BioMed Central Ltd., 2020-10)
      Salmonid Rickettsial Septicaemia (SRS), caused by Piscirickettsia salmonis, is a severe bacterial disease in the Chilean salmon farming industry. Vaccines and antibiotics are the current strategies to fight SRS; however, ...
    • Fungal Diversity Analysis of Grape Musts from Central Valley-Chile and Characterization of Potential New Starter Cultures 

      Mandakovic, Dinka [Univ Mayor, GEMA Ctr Gen Ecol & Environm, Chile]; Pulgar, Rodrigo; Maldonado, Jonathan; Mardones, Wladimir; Gonzalez, Mauricio; Cubillos, Francisco A.; Cambiazo, Verónica (Univ Mayor, GEMA Ctr Genom Ecol & Environm, Chile, 2020-06)
      Autochthonous microorganisms are an important source of the distinctive metabolites that influence the chemical profile of wine. However, little is known about the diversity of fungal communities associated with grape ...
    • Resiliencia es más que resistencia: dos experiencias del terremoto y tsunami de 2010 

      Wagemann, Elizabeth [Univ Mayor, Fac Humanidades, Escuela Arquitectura, Chile]; D'Alencon, Renato; Greene, Margarita (Pontificia Universidad Católica de Chile, 2020-08)
      Ante una catástrofe natural, la resistencia es una condición necesaria pero no suficiente. Una construcción puede resistir un terremoto o un aluvión, pero eso no significa que la vida que albergaba vuelva a ocurrir de ...


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