Now showing items 21-40 of 822

    • Santibañez, J. F.; Olivares, Daniela; Guerrero, Javier; Martínez, Jorge (Wiley-Liss, Inc., 2003-07-04)
      Mouse-transformed keratinocytes cultured in the presence of transforming growth factor 1 (TGF- 1) acquire an array of morphologic and functional properties that give rise to a migratory phenotype that expresses mesenchymal ...
    • Araya, Magdalena; Chen, Bingheng; Klevay, Leslie M.; Strain, J. J.; Johnson, Luann; Robson, Paula; Shi, Wei; Nielsen, Forrest; Zhu, Huigang; Olivares Grohnert, Manuel; Pizarro Aguirre, Fernando; Haber, Lynne T. (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2003-12)
      In a double blind, 3 x 3 factorial (volume x dose) study, 70 adult females (18-60 years of age) at four different international sites (total pooled n = 269) were given 100, 150, or 200 ml of bottled drinking water with ...
    • Ángel Badillo, Bárbara; Santos, José Luis; Carrasco Piña, Elena; Albala Brevis, Cecilia; Pérez Bravo, Francisco (SPRINGER, 2004)
      Several reports have found a relation between polymorphisms of the vitamin D receptor gene (VDR) and the development of type I diabetes. We have examined the association of three VDR polymorphism with type I diabetes in ...
    • Guerrero, Javier; Santibáñez, Juan Francisco; González, Alfonso; Martínez Winkler, Jorge (Elsevier Inc., 2004)
      Urokinase-type plasminogen activator receptor (uPAR) and epidermal growth factor receptor (EGFR) are ubiquitous receptors involved in the control of a variety of cellular processes frequently found altered in cancer cells. ...
    • Ivanovic Marincovich, Daniza; Pérez, Hernán; Olivares Grohnert, Manuel; Díaz, Nora S.; Leyton Dinamarca, Bárbara; Ivanovic, Rodolfo M. (2004)
      OBJECTIVE: We determined relative effects of nutritional status, intellectual ability, exposure to mass media, and socioeconomic, sociocultural, familial, demographic, and educational variables on scholastic achievement ...
    • Ivanovic Marincovich, Daniza; Leiva, Boris P.; Pérez Muñoz, Hernán; Olivares Grohnert, Manuel; Díaz, Nora S.; Urrutia, María Soledad; Almagiá, Atilio F.; Toro, Triana D.; Miller, Patricio T.; Bosch, Enrique O.; Larraín, Cristián G. (Elsevier, 2004)
      This multifactorial study investigates the interrelationships between head circumference (HC) and intellectual quotient (IQ), learning, nutritional status and brain development in Chilean school-age children graduating ...
    • Sylvia, Asenjo M.; Andrea, Gleisner E.; Pérez Bravo, Francisco (Sociedad Médica de Santiago, 2004-01)
      Type 1 diabetes (DM1) is caused by an autoimmune process that destroys beta cells of pancreas. Not all carriers of susceptible HLA genes and positive for autoantibodies develop the disease. Environmental factors play a ...
    • Guerrero, Javier; Santibáñez, Juan Francisco; González, Alfonso; Martínez, Jorge (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2004-01-01)
      Urokinase-type plasminogen activator receptor (uPAR) and epidermal growth factor receptor (EGFR) are ubiquitous receptors involved in the control of a variety of cellular processes frequently found altered in cancer cells. ...
    • Ordóñez Pizarro, Fernando; Pizarro Aguirre, Fernando; Pablo Valdivia, Saturnino de; Araya, Magdalena; Uauy Dagach-Imbarack, Ricardo (ELSEVIER, 2004-02)
      OBJECTIVES: We determined the iron (Fe), zinc (Zn), and copper (Cu) contents of common Chilean foods and assessed the intakes of these elements in a population living in Santiago, Chile. METHODS: We selected foods most ...
    • Walter, Tomas; Pizarro Aguirre, Fernando; Boy, Erick; Abrams, Steven A. (AMER INST NUTRITION, 2004-02)
      The most sustainable way to eradicate iron deficiency is through food fortification. Elemental iron powders are commonly utilized as fortificants due to their low cost and few sensory problems. However, their bioavailability ...
    • Albala Brevis, Cecilia; Santos, José Luis; Cifuentes, Mariana; Villarroel, Ana C.; Lera Marques, Lydia; Liberman Guendelman, Claudio; Ángel Badillo, Bárbara; Pérez Bravo, Francisco (NORTH AMER ASSOC STUDY OBESITY, 2004-02)
      Objective: To assess the association between the Ala54Thr genetic polymorphism of the fatty acid-binding protein 2 (FABP2) gene with insulin resistance and obesity. Research Methods and Procedures: According to a sampling ...
    • Mazariegos, Dora Inés; Pizarro Aguirre, Fernando; Ordóñez Pizarro, Fernando; Núñez González, Marco; Arredondo Olguín, Miguel Armando (AMER INST NUTRITION, 2004-02)
      Inorganic iron (Fe) absorption from the diet is controlled mainly in the intestinal tract where apical Fe uptake is inversely related to the Fe content in the enterocyte. Iron bis-glycine chelate is an iron compound that ...
    • Walter, Tomas; Pizarro Aguirre, Fernando; Abrams, Steven A.; Boy, Erick (NATURE PUBLISHING GROUP, 2004-03)
      Objective: Iron fortification of wheat flour is widely used. In most cases, elemental iron powders are utilized as fortificants due to their lower cost and few, if any, sensory problems. However, their bioavailability is ...
    • Pérez Bravo, Francisco; Oyarzún, Amaya; Carrasco Piña, Elena; Ángel Badillo, Bárbara; Albala Brevis, Cecilia; Santos, José Luis (SOC MEDICA SANTIAGO, 2004-04)
      Background: Type 1 diabetes is an organ specific autoimmune disease whose incidence is increasing worldwide. A functional imbalance in cytokine production resulting in dominance of T helper (Th1) over Th2-type response has ...
    • Sánchez R., Hugo; Albala Brevis, Cecilia (SOC MEDICA SANTIAGO, 2004-04)
      Background: In the last decade, Chile achieve a significant reduction in poverty, however income distribution still shows inequalities. The richest 10% of the population perceived 46% of total income. Aim: To study the ...
    • Quiroga, Pilar; Albala Brevis, Cecilia; Klaasen, Gonzalo (SOC MEDICA SANTIAGO, 2004-04)
      Background: The real prevalence of dementia in a given population must be determined through prevalence studies, using validated screening tests. Aim: To validate and determine cutoff points for a cognitive impairment ...
    • Bauer, Michael; Dietrich, Christof; Nowak, Katharina; Sierralta, Walter; Papenbrock, Jutta (AMER SOC PLANT BIOLOGISTS, 2004-06)
      Sulfurtransferases (Str) comprise a group of enzymes widely distributed in archaea, eubacteria, and eukaryota which catalyze the transfer of a sulfur atom from suitable sulfur donors to nucleophilic sulfur acceptors. In ...
    • Hertrampf, Eva; Cortés, Fanny (INT LIFE SCIENCES INST NORTH AMERICA, 2004-06)
      Neural tube defects (open spina bifida, anencephaly, and encephalocele) represent the first congenital malformations to be preventable through public health measures such as supplementation and/or food fortification with ...
    • Valenzuela Bonomo, Carlos; Sanhueza, Julio; Nieto, Susana (INST GRASA SUS DERIVADOS, 2004-07)
      Cholesterol is a molecule with a double bond in its structure, and therefore it is susceptible to oxidation leading to the formation of oxysterols. These oxidation products are found in many commonly consumed foods and ...
    • Araya, Magdalena; Olivares Grohnert, Manuel; Pizarro Aguirre, Fernando; Llanos, Adolfo; Figueroa, Guillermo; Uauy Dagach-Imbarack, Ricardo (US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE, 2004-07)
      We assessed gastrointestinal effects in 1,365 adults exposed to either < 0.01 (controls), 2, 4, or 6 mg copper/L of drinking water for 2 months in a randomized, double-blind community-based study. The risk of symptoms ...