Publicaciones Instituto de Nutrición y Tecnología de los Alimentos por fecha de publicación
Mostrando registros 21-40 de 644
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EGF receptor transactivation by urokinase receptor stimulus through a mechanism involving Src and matrix metalloproteinases
(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. ... -
The mechanisms for regulating absorption of Fe bis-glycine chelate and Fe-ascorbate in Caco-2 cells are similar
(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 ... -
Iron, zinc, and copper: Contents in common Chilean foods,and daily intakes in Santiago, Chile
(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 ... -
The poor bioavailability of elemental iron in corn masa flour is not affected by disodium EDTA
(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 ... -
Intestinal FABP2 A54T polymorphism: Association with insulin resistance and obesity in women
(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 ... -
Bioavailability of elemental iron powder in white wheat bread
(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 ... -
Validation of a screening test for age associated cognitive impairment, in Chile
(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 ... -
Niveles plasmáticos de citoquinas IL-1, IL2 e IL-4 en niños diabéticos tipo 1 de diagnóstico reciente y su asociación con anticuerpos pancreáticos
(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 ... -
Inequalities in health. Adult mortality in communities of Metropolitan Santiago
(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 ... -
Intracellular localization of Arabidopsis sulfurtransferases
(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 ... -
Folic acid fortification of wheat flour: Chile
(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 ... -
Community-based randomized double-blind study of gastrointestinal effects and copper exposure in drinking water
(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 ... -
Cholesterol oxidized products in foods: potential health hazards and the role of antioxidants in prevention
(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 ... -
Nutritional status, food consumption and physical activity among Chilean school children: a descriptive study
(NATURE PUBLISHING GROUP, 2004-09)Objective: To assess the nutritional status, food consumption and physical activity (PA) habits of Chilean school children, as a baseline for developing an educational intervention. Design: Cross-sectional study. Subjects: ... -
Insulin secretion in women who have polycystic ovary syndrome and carry the Gly972Arg variant of insulin receptor, substrate-1 in response to a high-glycemic or low-glycemic carbohydrate load
(ELSEVIER, 2004-10)OBJECTIVE: We evaluated metabolic parameters in Chilean women with polycystic ovary syndrome (PCOS) who were carriers and non-carriers of the glycine-to-arginine substitution at codon 972 (Gly972Arg) variant of insulin ... -
The association between HLA DQ genetic polymorphism and type 1 diabetes in a case-parent study conducted in an admixed population
(KLUWER ACADEMIC PUBL, 2004-10)Susceptibility to the type 1 diabetes is genetically controlled and there is an increased risk associated with the presence of some specific alleles of the human leukocyte antigens class II loci (DQA1 and DQB1 genes). The ... -
High Affinity Leptin Receptors Are Present in Human Mesenchymal Stem Cells (MSCs) Derived From Control and Osteoporotic Donors
(AMER SOC BONE & MINERAL RES., 2004-10)There are disparate observations on central and peripheral effects of leptin, but several studies consistently support its role as a link between fat and bone. Bone marrow stroma contains mesenchymal stem cells (MSCs), ... -
Prevalence of type 2 diabetes and obesity in two Chilean aboriginal populations living in urban zones
(SOC MEDICA SANTIAGO, 2004-10)Background: The prevalence of cardiovascular risk factors is increasing in aboriginal populations in Chile. Aim: To study the prevalence of obesity, type 2 diabetes and serum lipids in two aboriginal populations, Mapuche ... -
Estado nutricional y resistencia aeróbica en escolares de educación básica: línea base de un proyecto de promoción de la salud
(SOC MEDICA SANTIAGO, 2004-11)Background: The Chilean Ministry of Health has developed a health promotion program called "Vida Chile" whose aim is to target risk factors for chronic diseases. To achieve this, school-based initiatives in nutrition and ... -
Sex and ceruloplasmin modulate the response to copper exposure in healthy individuals
(US DEPT HEALTH HUMAN SCIENCES PUBLIC HEALTH SCIENCE, NATL INST HEALTH, NATL INST ENVIRONMENTAL HEALTH SCIENCES, 2004-12)Previous studies indicated that sex might influence the response to copper exposure. Cenaloplasmin (Cp) is an indicator of Cu status, but it is not clear whether and how it reflects changes of Cu status among healthy ...
