Browsing by Author "León Berríos, Rubén"

Now showing items 1-8 of 8

    • Detection of Porphyromonas gingivalis in the amniotic fluid in pregnant women with a diagnosis of threatened ... 
      León Berríos, Rubén; Silva Steffens, Nora; Ovalle Salas, Víctor; Chaparro, Alejandra; Ahumada, Alexis; Gajardo, Marta; Martínez, María José; Gamonal Aravena, Jorge Antonio (2007)
      Background: Epidemiologic and randomized controlled studies have shown that periodontal diseases may be associated with preterm labor and delivery of infants with low birth weights. The purpose of the present study was to ...
    • High expression levels of receptor activator of nuclear factor-kappa B ligand associated with human chronic ... 
      Vernal Astudillo, Rolando; Dutzan Muñoz, Nicolás; Hernández Ríos, Emma; Chandía Espinosa, Sabrita; Puente Piccardo, Javier; León Berríos, Rubén; García, Leyre; Valle, Ignacio del; Silva, Augusto; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2006-10)
      Background: Chronic periodontitis is an infectious disease characterized by alveolar bone destruction and teeth loss. Receptor activator of nuclear factor-kappa B ligand (RANKL) is an osteoclastogenic cytokine, a central ...
    • Identificación y genotipificación de aislados de strptococcus mutans provenientes de niños chilenos de 6 a ... 
      Pinto Grunfeld, Camila (Universidad de Chile, 2007)
      La caries es una de las enfermedades infecciosas más prevalentes en el ser humano. En Chile esta patología afecta cerca del 90% de la población. Esta, es una manifestación clínica de una infección bacteriana crónica ...
    • Prevalence of periodontopathic bacteria in aggressive periodontitis patients in a Chilean population 
      Gajardo, Marta; Silva Steffens, Nora; Gómez, Leyla; León Berríos, Rubén; Parra, Beatriz; Contreras, Adolfo; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2005-02)
      Background: Actinobacillus actinomycetemcomitans is considered a major etiologic agent of aggressive periodontitis (AgP). Other periodontopathic bacteria such as Porphyromonas gingivalis are also suspected of participating ...
    • RANKL in human periapical granuloma: possible involvement in periapical bone destruction 
      Vernal Astudillo, Rolando; Dezerega Piwonka, Andrea; Dutzan Muñoz, Nicolás; Chaparro, Alejandra; León Berríos, Rubén; Chandía Espinosa, Sabrita; Silva, A.; Gamonal Aravena, Jorge Antonio (BLACKWELL, 2006-05)
      OBJECTIVES: The cytokine receptor activator of nuclear factor kappa B-ligand (RANKL) has been involved in both the physiological and pathological regulation of osteoclast life span and bone metabolism. Periapical granuloma ...
    • Relación entre enfermedad periodontal, infección bacteriana ascendente y patología placentaria con parto prematuro 
      Ovalle, Alfredo; Gamonal Aravena, Jorge Antonio; Martínez, M. Angélica; Silva Steffens, Nora; Kakarieka, Elena; Fuentes García, Frans; Chaparro, Alejandra; Gajardo, Marta; León Berríos, Rubén; Ahumada, Alexis; Cisternas, Carlos (Sociedad Médica de Santiago, 2009-04)
      Background: There is an association between periodontal diseases and preterm delivery. Aim: To assess the relationship between periodontal diseases, ascending bacterial infection and placental pathology with preterm delivery. ...
    • Stimulatory response of neutrophils from periodontitis patients with periodontal pathogens 
      Restaino Bianchi, Carmen Gloria; Chaparro, Alejandra; Valenzuela, María Antonieta; Kettlun, Ana María; Vernal Astudillo, Rolando; Silva, A.; Puente Piccardo, Javier; Jaque, M. P.; León Berríos, Rubén; Gamonal Aravena, Jorge Antonio (2007)
      OBJECTIVE: Neutrophils play a crucial role in the defense of invading bacteria by releasing biologically active molecules. The response of peripheral blood neutrophils was studied in periodontitis-affected patients and in ...
    • Subgingival microbial profiles in chronic periodontitis patients from Chile, Colombia and Spain 
      Herrera, David; Contreras, Adolfo; Gamonal Aravena, Jorge Antonio; Oteo, Alfonso; Jaramillo, Adriana; Silva Steffens, Nora; Sanz, Mariano; Botero, Javier Enrique; León Berríos, Rubén (Blacwell Munksgaard, 2008-02)
      Aim: To investigate the subgingival microbiota of distinct periodontitis patient populations, in Chile, Colombia and Spain, using identical clinical and bacteriological methods. Material and Methods: In this multicentre ...