Now showing items 801-820 of 923

    • Pastenes, Luis; Ibáñez, Freddy; Bolatto, Carmen; Pavez, Leonardo; Cambiazo Ayala, Liliana (WILEY-LISS, DIV JOHN WILEY & SONS INC, 2008-07)
      The molecular identification and characterization of the patched-related (ptr) gene and protein in Apis mellifera and Drosophila melanogaster are reported. Ptr proteins are closely related in predicted topology and domain ...
    • Burrows, Raquel; Díaz Bustos, Erik; Sciaraffia Merino, Vito Gastón; Gattas, Vivien; Montoya C., Ana; Lera Marques, Lydia (SOC MEDICA SANTIAGO, 2008-01)
      Background: The increased. infantile obesity rates are related to faulty diery intake (DI) and physical activity (PA) habits, that are probably related to a prolonged stay at school during the day. Aim: To investigate DI ...
    • Bunout Barnett, Daniel; Reyes B., Humberto (SOC MEDICA SANTIAGO, 2008-09)
      Background: A few objective indicators support the relevance of articles published in medical journals, such as the ISI Impact Factor and Citation indices. However, a feedback from the readers can help to improve a journal. ...
    • Canales, Paulina; Araya, Magdalena; Alliende G., Francisco; Hunter, Bessie; Alarcón Orellana, Teresa; Chávez S., Eduardo (SOC MEDICA SANTIAGO, 2008-03)
      Background: Ample use of serological markets of high sensitivity and specificity led to relevant changes in the epidemiology of celiac disease. The impact of these changes in our country is poorly known. Aim: To assess the ...
    • Bravo, María Verónica; Bunout Barnett, Daniel; Leiva Balich, Laura; Maza Cave, María Pía de la; Barrera, Gladys; Maza, Javier de la; Hirsch Birn, Sandra (SOC MEDICA SANTIAGO, 2008-08)
      Background: Antibiotic-associated diarrhea is one of the most common adverse effects of antimicrobials. Any antimicrobial can potentially produce diarrhea but beta-lactamics have a higher risk. Among these, amoxicillin is ...
    • Olivares Grohnert, Manuel; Méndez, Marco; Astudillo, Pablo; Pizarro Aguirre, Fernando (The American Society for Nutrition, 2008)
      Serum or plasma copper and ceruloplasmin concentrations are the most widely used laboratory indicators to evaluate copper status. Both indicators are decreased in moderate or severe copper deficiency. The activity of ...
    • Astudillo, Pablo; Ríos, Susana; Pastenes, Luis; Pino, Ana María; Rodríguez, J. Pablo (WILEY-LISS, DIV JOHN WILEY & SONS INC, 2008-03-01)
      The bone marrow contains mesenchymal stem cells (MSCs) that differentiate to the osteogenic and adipogenic lineages. The fact that the decrease in bone volume of age-related osteoporosis is accompanied by an increase in ...
    • Núñez, Héctor; Ruiz, Samuel; Soto Moyano, Rubén; Navarrete, Mario; Valladares Boasi, Luis; White Ortiz, Allan; Pérez, Hernán (ELSEVIER IRELAND LTD, 2008-12-19)
      Prenatal undernutrition induces a variety of cardiovascular alterations inmammalswhenadults, including hypertension and hypercortisolism, which are thought to be caused by decreased glucocorticoid feedback control of the ...
    • Albala Brevis, Cecilia; Ebbeling, Cara B.; Cifuentes, Mariana; Lera Marques, Lydia; Bustos, Nelly; Ludwig, David S. (AMER SOC CLINICAL NUTRITION, 2008-09-01)
      Background: During the nutrition transition in Chile, dietary changes were marked by increased consumption of high-energy, nutrient-poor products, including sugar-sweetened beverages (SSBs). Obesity is now the primary ...
    • Sánchez, Susana; Castillo Durán, Carlos (ARCHIVOS LATINOAMERICANOS NUTRICION, 2008-12)
      Las alteraciones de la conducta alimentaria son frecuentes en niños; pero se conocen poco sus características en niños/ as Latinoamericanos y sus diferencias por estrato socioeconómico (ESE). El objetivo fue caracterizar ...
    • 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 ...
    • Alliende Rodríguez, María Angélica; Cámpora, Laura; Curotto, Bianca; Toro, Jessica; Valiente, Alf; Castillo, Marcela; Cortés, Fanny; Trigo, César; Alvarado, Cecilia; Silva, Manuel; Carú Marambio, Margarita (SOC MEDICA SANTIAGO, 2008-12)
      Mental retardation or intellectual disability affects 2% of the general population, but in 60% to 70% of cases the real cause of this retardation is not known. An early etiologic diagnosis of intellectual disability can ...
    • Pérez, Hernán; Ruiz, Samuel; Núñez, Héctor; White Ortiz, Allan; Gotteland, Martín (TAYLOR & FRANCIS LTD, 2007-05)
      The effects of intracoerulear CRH and intraparaventricular prazosin on systolic pressure, diastolic pressure and heart rate were studied in prenatally malnourished hypertensive rats. At day 40 of life, (i) malnourished ...
    • Ordóñez Pizarro, Fernando; Pizarro Aguirre, Fernando; Ruz, Manuel (ELSEVIER SCIENCE INC, 2007-04)
      Objective: We measured the effects of lower and higher doses of zinc (Zn) given as an aqueous solution on the bioavailability of iron (Fe). Methods: Fourteen healthy subjects received a solution with 0.5 mg of elemental ...
    • Vásquez Vergara, Fabián; Salazar, G.; Andrade Santibáñez, Ana; Vásquez, L.; Díaz Bustos, Erik (NATURE PUBLISHING GROUP, 2006-09)
      Objective: To evaluate energy balance and physical activity in obese preschool children attending day-care centres. Design: Cross-sectional study. Subjects: Twenty-four 3-5 years old obese children selected at random ...
    • Pizarro Aguirre, Fernando; Pizarro Aguirre, Fernando; Hertrampf, Eva; Fuenmayor, Guillermo; Estévez, Edmundo (ELSEVIER SCIENCE INC, 2007-04)
      Objective: We measured iron bioavailability of meals based on wheat flour consumed by a vulnerable population in Latin America. Methods: Bioavailability of iron (ferrous sulfate) from fortified noodles, noodle soup, noodle ...
    • Pizarro Aguirre, Fernando; Pizarro Aguirre, Fernando; Gaitán, Diego; Ruz, Manuel (PERGAMON-ELSEVIER SCIENCE LTD., 2007-05)
      Iron and zinc deficiencies are the most common nutritional deficiencies worldwide. Combined zinc and iron supplementation is one of the strategies used to prevent these deficiencies. Zinc has an inhibitory effect on iron ...
    • Neri, Daniela; Espinoza, Aníbal; Bravo, Aurora; Rebollo, M. Jesús; Moraga, Francisco; Mericq, Verónica; Castillo Durán, Carlos (SOC MEDICA SANTIAGO, 2007-03)
      Increased visceral or abdominal adipose tissue in children and adults is strongly associated with metabolic and a variety of chronic diseases. Aim: To study the association between visceral or external body measurements ...
    • Gattas, Vivien; Barrera Acevedo, María Gladys; Leiva, Laura; Maza Cave, María Pía de la; Bunout Barnett, Daniel; Steenhout, Philippe; Klassen, Petra; Voss, Theresa; Hirsch Birn, Sandra (SOC MEDICA SANTIAGO, 2007-07)
      In acute illnesses, plasma glucose levels are often increased and generally parallel the severity of stress. Hyperglycemia caused by reduced insulin sensitivity and reduced insulin secretion is associated with increased ...
    • Navarrete, Mario; Núñez, Héctor; Ruiz, Samuel; Soto Moyano, Rubén; Valladares Boasi, Luis; White Ortiz, Allan; Pérez, Hernán (ELSEVIER IRELAND LTD, ELSEVIER HOUSE, 2007-05)
      Prenatal undernutrition is known to disturb the hypothalamo-pituitary-adrenal (HPA) axis, possibly through the programming of decreased expression of hypothalamic and pituitary glucocorticoid receptors. To test this ...