Browsing by Title Artículos de revistas

Now showing items 403-422 of 854

    • High levels of circulating folate concentrations are associated with DNA methylation of tumor suppressor ... 
      Sánchez, Hugo; Hossain, Mohammad B.; Lera Marques, Lydia; Hirsch Birn, Sandra; Albala Brevis, Cecilia; Uauy Dagach-Imbarack, Ricardo; Broberg, Karin; Ronco Macchiavello, Ana María (BIOMED Central Ltd., 2017)
      Background: Changes in DNA methylation, one of the most studied epigenetic mechanisms, are considered an initial marker for early cancer detection. We evaluated how availability of dietary factors (folates and vitamin B12) ...
    • High Levels of hsCRP are Associated With Carbohydrate Metabolism Disorder 
      Leiva, Elba; Mujica, Verónica; Brito, Katherine; Palomo, Iván; Orrego, Roxana; Moore Carrasco, Rodrigo; Vásquez, Marcela; Guzmán, Luis; Núñez, Sergio; Díaz, Nora; Icaza, Gloria; Arredondo Olguín, Miguel Armando (Wiley Periodicals, 2011)
      Aim: To determine risk parameters associated with high values of high sensitive C-reactive protein (hsCRP) in subjects with different glucose fasting levels. Methods: Anthropometric parameters, arterial pressure, glycemia, ...
    • High Levels of Iron Status and Oxidative Stress in Patients with Metabolic Syndrome 
      Leiva, Elba; Mujica, Verónica; Sepúlveda, Pablo; Guzmán, Luis; Núñez, Sergio; Orrego, Roxana; Palomo, Iván; Andrews, Mónica; Arredondo Olguín, Miguel Armando (Springer, 2013)
      Studies concerning oxidative stress (OxE) parameters have increased, mainly because of its important role in cardiovascular diseases and diabetes complications. The main objective of this study was to evaluate iron ...
    • 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 ...
    • Hormiga argentina Linepithema humile Mayr, 1868 (Hymenoptera: Formicidae) y su rol como posible vector de ... 
      Ipinza Regla, J.; González, D.; Figueroa Gronemeyer, Guillermo (Universidad Austral, 2015)
      A bacteriological study of ants was conducted. The ants were captured in a dairy goat establishment located in Metropolitan Region. 63 samples were obtained and grouped into: 21 control samples aspirated directly on the ...
    • Human chorionic gonadotropin and free beta subunits stimulate phospholipid methylation in intact rat Leydig cells 
      Ronco Macchiavello, Ana María; Llanos Silva, Miguel; Valladares Boasi, Luis (1993)
      The effect of human chorionic gonadotropin (hCG) on intact Leydig cell phospholipid methylation was studied. Hormonal stimulation of rat Leydig cells increased the incorporation of[methyl-3H]methionine into phospholipids ...
    • Hydroethanolic extract of lampaya medicinalis phil. (verbenaceae) decreases proinflammatory marker expression ... 
      Ormazábal, Paulina; Cifuentes, Mariana; Vari, Rosaria; Scazzocchio, Beatrice; Masella, Roberta; Pacheco Cruz, Igor; Vega, Wladimir; Paredes, Adrián; Morales, Glauco (Bentham Science, 2020)
      Background: Obesity is a major health problem associated with increased comorbiditics, which are partially triggered by inflammation. Proinflaminatory macrophage infiltration in adipose tissue of individuals with obesity ...
    • Hypertension in prenatally undernourished young-adult rats is maintained by tonic reciprocal paraventricu ... 
      Cayupe, Bernardita; Morgan, Carlos; Puentes, Gustavo; Valladares Boasi, Luis Emilio; Burgos, Héctor; Castillo, Amparo; Hernández, Alejandro; Constandil, Luis; Ríos, Miguel; Sáez Briones, Patricio; Barra, Rafael (MDPI, 2021)
      Prenatally malnourished rats develop hypertension in adulthood, in part through increased alpha(1)-adrenoceptor-mediated outflow from the paraventricular nucleus (PVN) to the sympathetic system. We studied whether both ...
    • Identification and molecular characterization of five putative toxins from the venom gland of the snake ... 
      Urra, Félix A.; Pulgar Tejo, Rodrigo; Gutiérrez, Ricardo; Hödar Quiroga, Christian; Cambiazo Ayala, Verónica; Labra Lillo, María Antonieta (Elsevier, 2015)
      Philodryas chamissonis is a rear-fanged snake endemic to Chile. Its bite produces mild to moderate symptoms with proteolytic and anti-coagulant effects. Presently, the composition of the venom, as well as, the biochemical ...
    • Identification of a conserved set of cytokinin-responsive genes expressed in the fruits of Prunus persica 
      Mujica, Karen; Ponce, Claudio; Silva, Herman; Meisel, Lee (Springer, 2020)
      Ethylene plays an essential role in the ripening of peach, a climacteric stone fruit. However, several studies have shown that other phytohormones may alter fruit organoleptic properties, nutritional value, and overall ...
    • Identification of a minimal microsatellite marker panel for the fingerprinting of peach and nectarine cultivars 
      Méndez, Marco; Rojas, Gabriela; Muñoz, Carlos; Lemus, Gamalier; Hinrichsen, Patricio (UNIV CATOLICA DE VALPARAISO, 2008-12)
      The genetic characterization of 117 peach and nectarine cultivars (Prunus persica (L.) Batsch) using microsatellite (SSR) markers is presented. Analyzed genotypes include the complete list of cultivars under intellectual ...
    • Identification of genes expressed during Drosophila melanogaster gastrulation by using subtractive hybridization 
      González Aguero, Mauricio; Zúñiga, Alejandro; Pottstock, Hans; Pozo, Talía del; González Canales, Mauricio; Cambiazo Ayala, Liliana (ELSEVIER, 2005-01-31)
      A subtractive hybridization approach was used to identify genes that are expressed at the beginning of gastrulation. We used tester DNA complimentary to RNA (cDNA) prepared from stages 6-7 embryos (gastrula) and excess ...
    • Identification of loci controlling phenology, fruit quality and post-harvest quantitative parameters in ... 
      Salazar, Juan Alfonso; Pacheco Cruz, Igor Alejandro; Zapata, Patricio; Shinya, Paulina; Ruiz, David; Martínez Gómez, Pedro; Infante, R. (Elsevier, 2020)
      Japanese plums are popular fruits since they are exceptionally nutritious with high fiber and antioxidant content. This work has aimed to analyze the most critical phenology, fruit quality and postharvest parameters from ...
    • Identification of Males with Cryptic Fragile X Alleles by Methylation-Specific Quantitative Melt Analysis 
      Aliaga, Solange M.; Slater, Howard R.; Francis, David; Du Sart, Desiree; Li, Xin; Amor, David J.; Alliende, Angelica M.; Santa María Vásquez, Lorena; Faúndes Gómez, Víctor; Morales, Paulina; Trigo, Cesar; Salas, Isabel; Curotto, Bianca; Godler, David E. (Amer. Assoc. Clinical Chemistry, 2016)
      BACKGROUND: FMR1 full mutations (FMs) (CGG expansion >200) in males mosaic for a normal (<45 CGG) or gray-zone (GZ) (45-54 CGG) allele can be missed with the standard 2-step fragile X syndrome (FXS) testing protocols, ...
    • Identification of novel 11b-HSD1 inhibitors by combined ligand- and structure-based virtual screening 
      Lagos, Carlos F.; Vecchiola, Andrea; Allende, Fidel; Fuentes, Cristóbal A.; Tichauer, Juan E.; Valdivia, Carolina; Solari, Sandra; Campino, Carmen; Tapia Castillo, Alejandra; Baudrand, René; Villarroel, Pia; Cifuentes, Mariana; Owen, Gareth I.; Carvajal, Cristian A.; Fardella, Carlos E. (Elsevier, 2014)
      11 beta-hydroxysteroid dehydrogenase type 1 (11b-HSD1) converts cortisone to cortisol in a NADPH dependent manner. Overexpression of 11b-HSD1 in key metabolic tissues is related to the development of type 2 diabetes, ...
    • Identification of woolliness response genes in peach fruit after post-harvest treatments 
      González Agüero, Mauricio; Pávez, Leonardo; Ibáñez, Freddy; Pacheco Blanco, Igor; Campos Vargas, Reinaldo; Meisel, Lee; Orellana López, Ariel; Retamales Aranda, Julio; Silva Ascencio, Herman; González Canales, Mauricio; Cambiazo Ayala, Liliana (2008)
      Woolliness is a physiological disorder of peaches and nectarines that becomes apparent when fruit are ripened after prolonged periods of cold storage. This disorder is of commercial importance since shipping of peaches ...
    • IgA and IgG antitransglutaminase 2 antibodies in the diagnosis of celiac disease 
      Villanueva Choquehuanca, Mónica; Rojas, Marianela; Araya Quezada, María Magdalena (Science and Education Publishing, 2017)
      Screening for celiac disease (CD) dramatically improved when techniques able to measure blood autoantibodies against tissue transglutaminase 2 (TTG) were developed. Although typically increased in CD, these antibodies are ...
    • Impact of a school-based intervention on nutritional education and physical activity in primary public ... 
      Bustos Zapata, Nelly Aracely; Olivares Cortes, Sonia Margarita; Leyton Dinamarca, Bárbara; Cano Cappellacci, Marcelo; Albala Brevis, Cecilia (Cross Mark, 2016)
      Chile has suffered a fast increase in childhood obesity in the last 10 years. As a result, several school programmes have been implemented, however the effectiveness of these needs to be evaluated to identify and prioritize ...
    • Impact of the COVID-19 pandemic on teacher quality of life: a longitudinal study from before and during the ... 
      Lizana, Pablo A.; Vega Fernández, Gustavo; Gómez Bruton, Alejandro; Leyton Dinamarca, Bárbara de Lourdes; Lera Marques, Lydia de la Caridad (MDPI, 2021)
      Background: Prior to the COVID-19 pandemic, teachers were already reporting a low quality of life (QoL) perception, with a significant impact on mental and physical health due to various stress factors associated with work ...
    • Impaired eIF5A function causes a Mendelian disorder that is partially rescued in model systems by spermidine 
      Faúndes Gómez, Víctor Manuel; Jennings, Martin D.; Crilly, Siobhan; Legraie, Sarah; Withers, Sarah E.; Cuvertino, Sara; Davies, Sally J.; Douglas L., Andrew G.; Fry, Andrew E.; Harrison, Victoria; Amiel, Jeanne; Lehalle, Daphné; Newman, William G.; Newkirk, Patricia; Ranells, Judith; Splitt, Miranda; Cross, Laura A.; Saunders, Carol J.; Sullivan, Bonnie R.; Granadillo, Jorge L.; Gordon, Christopher T.; Kasher, Paul R.; Pavitt, Graham D.; Banka, Siddharth (Nature, 2021)
      The structure of proline prevents it from adopting an optimal position for rapid protein synthesis. Poly-proline-tract (PPT) associated ribosomal stalling is resolved by highly conserved eIF5A, the only protein to contain ...