Artículos de revistas: Recent submissions

Now showing items 761-780 of 854

    • Smoking specifically induces metallothionein-2 isoform in human placenta at term 
      Ronco Macchiavello, Ana María; Garrido, Fernando; Llanos Silva, Miguel (ELSEVIER, 2006-06-01)
      Recently, we reported the presence of higher levels of metallothionein (MT) in placentas of smokers compared to non-smokers. In the present study, we designed experiments to separate and evaluate two isoforms of NIT (MT-1 ...
    • Adult hippocampus derived soluble factors induce a neuronal-like phenotype in mesenchymal stem cells 
      Rivera, Francisco J.; Sierralta, Walter; Minguell, José J.; Aigner, Ludwig (ELSEVIER, 2006-10-02)
      Bone marrow-derived mesenchymal stem cells (MSCs) are not restricted in their differentiation fate to cells of the mesenchymal lineage. They acquire a neural phenotype in vitro and in vivo after transplantation in the ...
    • Ascorbyl palmitate enhances iron bioavailability in iron-fortified bread 
      Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel; Hertrampf, Eva; Núñez, Silvia; Tapia, Marcelo; Cori, Héctor; López de Romaña, Daniel (AMER SOC CLINICAL NUTRITION, 2006-10)
      Background: One of the strategies to control iron deficiency anemia is the fortification of food with iron. A mechanism for improving the bioavailability of iron is to add an iron absorption promoter. Objective: The ...
    • Aromatase activity of human mesenchymal stem cells is stimulated by early differentiation, vitamin D and leptin 
      Pino, Ana María; Rodríguez, Juan Manuel; Ríos, Susana; Astudillo, Pablo; Leiva, Laura; Seitz, Germán; Fernández Gálvez, Mireya; Rodríguez, J. Pablo (SOC ENDOCRINOLOGY, 2006-12)
      Human mesenchymal stem cells (hMSCs) are multipotent cells present in bone marrow, which differentiate into osteoblasts and adipocytes, among other lineages. Oestrogens play a critical role in bone metabolism; its action ...
    • Paraventricular-coerulear interactions: role in hypertension induced by prenatal undernutrition in the rat 
      Pérez, H.; Ruiz, S.; Núñez, Héctor; White Ortiz, Allan; Gotteland, Martín; Hernández, A. (BLACKWELL, 2006-08)
      Rats submitted to fetal growth retardation by in utero malnutrition develop hypertension when adult, showing increased hypothalamic mRNA expression for corticotropin-releasing hormone (CRH) and increased central noradrenergic ...
    • HLA non-class II genes may confer type I diabetes susceptibility in a mapuche (Amerindian) affected family 
      Pérez Bravo, Francisco; Martínez Laso, Jorge; Martín-Villa, José M.; Moscoso, Juan; Moreno, Almudena; Serrano Vela, Juan I.; Zamora, Jorge; Asenjo, Silvia; Gleisner, Andrea; Arnaiz Villena, Antonio (ELSEVIER, 2006-02)
      A rare case of type I diabetes is studied in an Amerindian (Mapuche) family from Chile, analyzing glutamic acid decarboxylase, islet-cell autoantibodies and human leukocyte antigen (HLA) genes. The affected sib is the only ...
    • Lack of association between the fatty acid binding protein 2 (FABP2) polymorphism with obesity and insulin ... 
      Pérez Bravo, Francisco; Fuentes, M.; Ángel Badillo, Bárbara; Sánchez, H.; Carrasco, Elena; Santos, J. L.; Lera Marques, Lydia; Albala Brevis, Cecilia (SPRINGER, 2006-12)
      The aim of this study was to assess the frequency of fatty acid binding protein 2 (FABP2) Ala54Thr genetic polymorphism and to evaluate its association with obesity and insulin resistance in Chilean aboriginal populations. ...
    • A mathematical model for copper homeostasis in Enterococcus hirae 
      Pécou, Elisabeth; Maass Sepúlveda, Alejandro; Remenik Zisis, Daniel; Briche, Julien; González Canales, Mauricio (ELSEVIER, 2006-10)
      Copper is an essential micronutrient for life. It is required by a wide range of species, from bacteria to yeast, plants and mammals including humans. To prevent the consequences of the excess or deficit of copper, living ...
    • Boldine and its antioxidant or health-promoting properties 
      O'Brien, Peter; Carrasco Pozo, Catalina; Speisky Cosoy, Hernán (ELSEVIER, 2006-01-05)
      The increasing recognition of the participation of free radical-mediated oxidative events in the initiation and/or progression of cardiovascular, tumoural, inflammatory and neurodegenerative disorders, has given rise to ...
    • VDR polymorphisms influence the immune response in type 1 diabetic children from Santiago, Chile 
      García, Diego; Ángel Badillo, Bárbara; Carrasco, Elena; Albala Brevis, Cecilia; Santos, José Luis; Pérez Bravo, Francisco (ELSEVIER IRELAND LTD, 2007-07)
      Objective: To evaluate the influence of ApaI, BsmI and TaqI polymorphisms of the VDR gene and HLA-DQB1* alleles in type 1 diabetic children and to assess their possible relationship with circulating levels of 25-hydroxyvitamin ...
    • Vibrio parahaemolyticus strains isolated during investigation of the summer 2006 seafood related diarrhea ... 
      Fuenzalida, Loreto; Armijo, Lorena; Zabala, Beatriz; Hernández, Cristina; Rioseco, M. Luisa; Riquelme, Carlos; Espejo Torres, Romilio (ELSEVIER SCIENCE BV, 2007-07)
      Nine hundred cases of seafood related diarrhea were reported in the region of Puerto Montt, Chile during the austral summer of 2006. This is the continuation of the large outbreaks associated with the consumption of seafood ...
    • Predictive equations for stature in the elderly: A study in three Latin American cities 
      Lera Marques, Lydia; Santos, José Luis; García Ghiringheli, Carola; Arroyo Albala, Patricia; Albala Brevis, Cecilia (TAYLOR & FRANCIS LTD, 2005-11)
      Aim: The aim of this study was to develop predictive equations based on anthropometric data to estimate stature in people 60 years and older in Latin America. Design: Population-based cross-sectional study in three Latin ...
    • Trends in Height and BMI of 6-Year-Old Children during the Nutrition Transition in Chile 
      Kain Berkovic, Juliana; Uauy Dagach-Imbarack, Ricardo; Lera Marques, Lydia; Taibo, Marcela; Albala Brevis, Cecilia (NORTH AMER ASSOC STUDY OBESITY, 2005-12)
      Trends in height and BMI of 6-year-old children during the nutrition transition in Chile. Obes Res. 2005;13:2178 –2186. Objective: We analyzed trends in height and BMI and their interaction in 6-year-old Chilean ...
    • In Vitro Interaction Between Homocysteine and Copper Ions: Potential Redox Implications 
      Carrasco Pozo, Catalina; Álvarez Lueje, Alejandro; Olea Azar, Claudio; López Alarcón, Camilo; Speisky Cosoy, Hernán (SOC EXPERIMENTAL BIOLOGY MEDICINE, 2006-10)
      Homocysteine (Hcys) has been implicated in various oxidative stress–related disorders. The presence of a thiol on its structure allows Hcys to exert a double-edge redox action. Depending on whether Cu2þions occur ...
    • Differential response of interleukin-2 production to chronic copper supplementation in healthy humans 
      Muñoz, Carlos; López, Marcelo; Olivares Grohnert, Manuel; Pizarro Aguirre, Fernando; Arredondo Olguín, Miguel Armando; Araya, Magdalena (EUROPEAN CYTOKINE NETWORK, 2005-12)
      Backgound. Copper (Cu) is an essential trace element for many biological processes including maintenance of both innate and acquired branches of immunity. Objective. To measure the effect of copper supplementation on IL-2 ...
    • No evidence of association between the serotonin 2A receptor 21438G/Apromoter polymorphism and childhood ... 
      Santos, José Luis; Ochoa, María C.; Patiño, A.; Azcona, C.; Martínez, J. A.; Marti, A. (TAYLOR & FRANCIS, 2005-08)
      Serotonin has been related to feeding behaviour and body weight control through its suppressive effect on appetite. Conflicting results have been published in the literature regarding the association between the -1438 G/A ...
    • Composición Lipídica de la Dieta de Niños Fenilquetonúricos Diagnósticados Precozmente 
      Cornejo Espinoza, Verónica; Concha C., Miluska; Cabello, Juan Francisco; Raimann Ballas, Erna (ARCHIVOS LATINOAMERICANOS DE NUTRICION, 2005-12)
      La Fenilquetonuria (PKU) se produce por un defecto total o parcial de la enzima fenilalanina hidroxilasa (FAH) acumulándose fenilalanina (FA) en sangre, lo que ocasiona retardo mental si no es diagnosticada en el período ...
    • Supplementing Copper at the Upper Level of the Adult Dietary Recommended Intake Induces Detectable but ... 
      Araya, Magdalena; Olivares Grohnert, Manuel; Pizarro Aguirre, Fernando; Méndez, Marco; González Canales, Mauricio; Uauy Dagach-Imbarack, Ricardo (The Journal of Nutrition, 2005-10)
      The health consequences of mild copper excess in humans are unknown. In a previous study, 2 mo of supplementation with up to 6 mg Cu/L in drinking water did not induce detectable changes. Here we assessed a copper ...
    • Controlled study of enteral arginine supplementation in burned children: impact on immunologic and metabolic status 
      Marín, Verónica B.; Rodríguez Osiac, Lorena; Schlessinger, Liana; Villegas, Jorge; López, Marcelo; Castillo Durán, Carlos (ELSEVIER, 2006-08)
      Objective: We compared the effects of an arginine-supplemented diet with those of an isocaloric isonitrogenous diet on immune and metabolic response of children with burns. Methods: This was a double-blind, randomized, ...
    • Characterization of human intestinal bifidobacteria using competitive PCR and PCR-TTGE 
      Mangin, Irène; Suau, Antonia; Magne, Fabien; Garrido, Daniel; Gotteland, Martín; Neut, Christel; Pochart, Philippe (BLACKWELL, 2006-01)
      In this study, a competitive PCR was developed to estimate the quantity of bifidobacteria in human faecal samples using two 16S rRNA gene Bifidobacterium genus-specific primers, Bif164f and Bif662r. A PCR-temporal temperature ...