Browsing by Title Artículos de revistas

Now showing items 717-736 of 854

    • Smaller iron particle size improves bioavailability of hydrogen-reduced iron-fortified bread 
      Arredondo Olguín, Miguel Armando; Salvat, Valentina; Pizarro Aguirre, Fernando; Olivares Grohnert, Manuel (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05)
      Bioavailability results, obtained in humans, of wheat flour fortified with elemental iron might not be reliable because these studies have been performed using tracer iron compounds that probably do not have the same ...
    • Smart food policies for obesity prevention 
      Hawkes, Corinna; Smith, Trenton G.; Jewell, Jo; Wardle, Jane; Hammond, Ross A.; Friel, Sharon; Thow, Anne Marie; Kain Berkovic, Juliana (Elsevier, 2015)
      Prevention of obesity requires policies that work. In this Series paper, we propose a new way to understand how food policies could be made to work more effectively for obesity prevention. Our approach draws on evidence ...
    • 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 ...
    • Snacking quality is associated with secondary school academic achievement and the intention to enroll in ... 
      Correa Burrows, Paulina; Rodríguez Letelier, Yanina; Blanco, Estela; Gahagan, Sheila; Burrows, Raquel (MDPI, 2017-05)
      Although numerous studies have approached the effects of exposure to aWestern diet (WD) on academic outcomes, very few have focused on foods consumed during snack times. We explored whether there is a link between nutritious ...
    • Sociodemographic predictors of early postnatal growth: evidence from a Chilean infancy cohort 
      Von Holle, Ann; North, Kari E.; Gahagan, Sheila; Burrows Argote, Raquel; Blanco, Estela; Lozoff, Betsy; Howard, Annie Green; Justice, Anne; Graff, Misa; Voruganti, Venkata Saroja (BMJ, 2020)
      Objectives Infant anthropometric growth varies across socioeconomic factors, including maternal education and income, and may serve as an indicator of environmental influences in early life with long-term health consequences. ...
    • Socioeconomic inequalities in life expectancy and disability-free life expectancy among Chilean older adults: ... 
      Moreno Ruiz, Ximena Andrea; Lera Marques, Lydia de la Caridad; Moreno, Francisco; Albala Brevis, Cecilia Hortensia (BMC, 2021)
      Background Chile has one of the longest life expectancies of Latin America. The country is characterised by an important macroeconomic growth and persisting socioeconomic inequalities. This study analyses socioeconomic ...
    • Sodium Intake and Cardiovascular Disease in the Latin American Context 
      Gaitan, Diego; Chamorro Melo, Rodrigo; Cediel, Gustavo; Lozano, Gustavo; Silva Gomes, Fabio da (Archivos Latinoamericanos Nutrición, 2015)
      Cardiovascular diseases (CVD) are the main causes of morbidity and mortality in Latin America (LA). A high sodium intake is one of main risk factors for CVD. Strategies aiming to decrease sodium intake has been shown health ...
    • Software for the diagnosis of sarcopenia in community-dwelling Older adults: design and validation study 
      Lera Marqués, Lydia; Angel Badillo, Bárbara; Márquez Jara, Carlos; Saguez Mamani, Rodrigo; Albala Brevis, Cecilia (JMIR Publications, 2020)
      Background: The usual diagnosis of sarcopenia requires a dual-energy x-ray absorptiometry (DXA) exam, which has low accessibility in primary care for Latin American countries. Objective: The aim of this study is to ...
    • Soluble factors derived from tumor mammary cell lines induce a stromal mammary adipose reversion in human ... 
      Guerrero, Javier; Tobar, Nicolás; Cáceres, Mónica; Espinoza, Lorena; Escobar, Paula; Dotor, Javier; Smith, Patricio C.; Martínez, Jorge (Springer, 2010)
      In carcinomas such as those of breast, pancreas, stomach, and colon, cancer cells support the expansion of molecular and cellular stroma in a phenomenon termed desmoplasia, which is characterized by a strong fibrotic response. ...
    • Soluble factors derived from tumor mammary cell lines induce a stromal mammary adipose reversion in human ... 
      Guerrero, Javier; Tobar, Nicolás; Cáceres, Mónica; Espinoza, Lorena; Escobar Oliva, Paula; Dotor, Javier; Smith, Patricio C.; Martínez Winkler, Jorge (Springer Science+Business Media, 2011)
      In carcinomas such as those of breast, pancreas, stomach, and colon, cancer cells support the expansion of molecular and cellular stroma in a phenomenon termed desmoplasia, which is characterized by a strong fibrotic response. ...
    • Soluble factors produced by PC-3 prostate cells decrease collagen content and mineralisation rate in fetal ... 
      Santibañez, J. F. (Stockton Press, 1996)
      Approximately 70% of patients with prostate cancer develop bone metastases in the advanced state of the disease. In the present study, we sought to test the hypothesis that prostatic cancer cells produce factors that ...
    • Soluble free, esterified and insoluble-bound phenolic antioxidants from chickpeas prevent cytotoxicity in ... 
      Costa de Camargo, Adriano; Álvarez Larraín, Alina Concepción; Arias Santé, María Fernanda; Oyarzún, Juan Estebán; Andia, Marcelo E.; Uribe, Sergio; Núñez Pizarro, Paula; Bustos, Simón M.; Schwember, Andrés R.; Shahidi, Fereidoon; Bridi, Raquel (MDPI, 2022)
      Chickpeas are rich sources of bioactive compounds such as phenolic acids, flavonoids, and isoflavonoids. However, the contribution of insoluble-bound phenolics to their antioxidant properties remains unclear. Four varieties ...
    • Soluciones relacionadas con el entorno alimentario para prevenir la obesidad infantil en América Latina y ... 
      Durán, Ana Clara; Mialon, Melissa; Crosbie, Eric; Jensen, Melissa Lorena; Harris, Jennifer L.; Batis, Carolina; Corvalán Aguilar, Camila Luz; Smith Taillie, Lindsey (Wiley, 2021)
      El entorno alimentario es un factor importante que contribuye a las dietas poco salu-dables en la niñez y, por tanto, a las crecientes tasas de obesidad. Los países de Latinoamérica han recibido el reconocimiento internacional ...
    • Somatotype and intellectual ability (Raven progressive matrices test) in Chilean school-age children 
      Tapia, Liliana U.; Lizana, Pablo A.; Orellana Zapata, Yasna; Villagrán, Francisca S.; Arias, Vanessa F.; Almagià, Atilio F.; Burrows, Raquel; Ivanovic Marincovich, Daniza (2013)
      Objetivos: El objetivo de este estudio fue determinar la relación entre el somatotipo y la habilidad intelectual (HA) en estudiantes de 11-12 y 15-16 años de edad de la Región Metropolitana, Chile. Métodos: Se registró ...
    • Soy isoflavones affect platelet thromboxane A(2) receptor density but not plasma lipids in menopausal women 
      Garrido, Argelia; Maza Cave, María Pía de la; Hirsch Birn, Sandra; Valladares Boasi, Luis (ELSEVIER, 2006-06-20)
      Objectives: It has been suggested that isoflavones protect the cardiovascular system, in part by improving lipid profile. The purpose of the present research was to examine the effect of a 12-week soy isoflavone supplementation ...
    • Soybean Meal Induces Intestinal Inflammation in Zebrafish Larvae 
      Hedrera, Manuel I.; Galdames, Jorge A.; Jimenez Reyes, Maria F.; Reyes, Ariel E.; Avendaño Herrera, Ruben; Romero Ormazábal, Jaime; Feijóo, Carmen Gloria (PLoS ONE, 2013)
      The necessary replacement of fish meal with other protein source in diets of commercially important fish has prompted the study of the effect of the inclusion of different vegetable proteins sources on growth performance ...
    • Spatial and temporal distribution of Patched-related protein in the Drosophila embryo 
      Bolatto, Carmen; Parada, Cristina; Revello, Fiorella; Zúñiga, Alejandro; Cabrera, Pablo; Cambiazo Ayala, Verónica (Elsevier, 2015)
      Patched-related (Ptr) encodes a protein with 12 potential transmembrane domains and a sterol-sensing domain that is closely related in predicted topology and domain organization to Patched, the canonical receptor of the ...
    • Spermatozoon ultrastructure in seven South American species of Tegula Lesson, 1835 (Mollusca: Vetigastropoda) ... 
      Collado, Gonzalo A.; Espoz, Carmen; Méndez, Marco; Brown, Donald I. (INT SCIENCE SERVICES/BALABAN PUBLISHERS, 2008-12)
      This study presents results of the examination of the ultrastructure of the spermatozoon of seven South American species of Tegula using light and transmission electron microscopy. In all cases the spermatozoa were of ...
    • Spray Freeze-Drying as an Alternative to the Ionic Gelation Method to Produce Chitosan and Alginate ... 
      Gamboa, Alexander; Araujo, Valeria; Caro, Nelson; Gotteland, Martín; Abugoch James, Lilian; Tapia, Cristian (Wiley & Sons, 2015)
      Chitosan and alginate nano-composite (NP) carriers intended for colonic delivery containing prednisolone and inulin were obtained by two processes. Spray freeze-drying using chitosan (SFDC) or alginate (SFDA) was proposed ...
    • A standard nomenclature for gene designation in the Rosaceae 
      Jung, Sook; Bassett, Carole; Bielenberg, Douglas; Cheng, Chun-Huai; Dardick, Chris; Main, Dorrie; Meisel, Lee; Slovin, Janet; Troggio, Michela; Schaffer, Robert (Springer, 2015)
      The plant family Rosaceae is comprised of a highly diverse group of plants, with a wide range of ornamental and agricultural uses throughout the world. Comparative genomic analyses between rosaceous species are increasingly ...