Now showing items 1-5 of 5

    • Detection of Helicobacter pylori by Real-Time PCR for 16s rRNA in Stools of NonInfected Healthy Children, Using ELISA Antigen Stool Test as the Gold Standard 

      George, Sergio; Mamani Manzano, Nora; Lucero Álvarez, Yalda; Torres Torretti, Juan Pablo; Farfán Urzúa, Mauricio; Lagomarcino, Anne J.; Orellana, Andrea; O'Ryan Gallardo, Miguel (Wiley-Blackwell, 2016)
      BackgroundWe previously detected Helicobacter pylori infection by stool antigen ELISA assay in 33-41% of asymptomatic Chilean children between 2-3 years of age, of which 11-20% had a transient infection and 21-22% a ...
    • Helicobacter pylori Infection Is Associated with Decreased Expression of SLC5A8, a Cancer Suppressor Gene, in Young Children 

      Orellana Manzano, Andrea; O'Ryan Gallardo, Miguel; Lagomarcino, Anne; George Carreño, Sergio; Muñoz, Mindy; Mamani Manzano, Nora; Serrano, Carolina; Harris, Paul; Ramilo, Octavio; Mejías, Asunción; Torres Torretti, Juan Pablo; Lucero Álvarez, Yalda; Quest, Andrew F. G. (Frontiers Media, 2016)
      Background: Helicobacter pylori infects half of the world's population and causes gastric cancer in a subset of infected adults. Previous blood microarray findings showed that apparently healthy children, persistently ...
    • Impact of rotavirus infections on outpatient clinic visits in Chile 

      O'Ryan Gallardo, Miguel; Díaz, Janepsy; Mamani Manzano, Nora; Navarrete, Marisol; Vallebuono, Clelia (2007)
      BACKGROUND: Incorporation of new rotavirus vaccines into national programs of developing countries will rely on well-designed cost-effective analysis based on accurate assessment of disease burden. For Chile, rotavirus ...
    • Persistent and Transient Helicobacter pylori Infections in Early Childhood 

      O'Ryan Gallardo, Miguel; Lucero Álvarez, Yalda; Rabello, Marcela; Mamani Manzano, Nora; Salinas, Ana María; Peña, Alfredo; Torres Torretti, Juan Pablo; Mejías, Asunción; Ramilo, Octavio; Suárez, Nicolás; Reynolds, Henry E.; Orellana, Andrea; Lagomarcino, Anne J. (Oxford Univ Press, 2015)
      Background. Helicobacter pylori, the main cause of peptic ulcer disease and gastric cancer in adult populations, is generally acquired during the first years of life. Infection can be persistent or transient and bacterial ...
    • Prospective Characterization of Norovirus Compared With Rotavirus Acute Diarrhea Episodes in Chilean Children 

      O'Ryan Gallardo, Miguel; Peña, Alfredo; Vergara, Rodrigo; Díaz, Janepsy; Mamani Manzano, Nora; Cortés, Héctor; Lucero Álvarez, Yalda; Vidal Álvarez, Roberto; Osorio Abarzúa, Carlos Gonzalo; Santolaya de Pablo, María Elena; Hermosilla Díaz, Germán; Prado, Valeria J. (Lippincott Williams, 2010)
      Rotavirus and more recently noroviruses are recognized as main causes of moderate to severe acute diarrhea episodes (ADE) in children < or =5 years of age. Comparing epidemiologic and clinical features of norovirus to ...