Browsing by Author "XX600826"

Now showing items 21-40 of 71

    • Effectiveness and impact of the walking bleach technique on esthetic self-perception and psychosocial ... 
      Bersezio Miranda, Cristian; Martin, J.; Peña, F.; Rubio, M.; Estay, J.; Vernal Astudillo, Rolando; Oliveira Junior, Osmir; Fernández Godoy, Eduardo (Indiana University School of Dentistry, 2017)
      Objective: This trial evaluates the impact of psychosocial and esthetic self-perceptions of patients undergoing nonvital tooth bleaching using the walking bleach technique. We also assessed the clinical effectiveness ...
    • Expresión de las quimioquinas CCL19 y CCL21 y su asociación con la salud o enfermedad periodontal 
      Muñoz Bustamante, Marcela Victoria. (Universidad de Chile, 2014)
      Durante las periodontitis, la respuesta inmune del hospedero involucra la producción de citoquinas, metaloproteinasas de la matriz, quimioquinas y receptores de quimioquinas que determinan la constitución de un ambiente ...
    • Expression of proinflammatory cytokines in osteoarthritis of the temporomandibular joint 
      Vernal Astudillo, Rolando; Velásquez, Edgar; Gamonal Aravena, Jorge Antonio; García Sanz, José A.; Silva, Augusto; Sanz, Mariano (PERGAMON-ELSEVIER SCIENCE LTD, 2008-10)
      Objective: This study reports the expression of proinflammatory cytokines in temporomandibular joint (TMJ) of patients affected with temporomandibular osteoarthritis (OA). Design: In twelve OA of the TMJ (OA–TMJ) affected ...
    • H2O2 activates matrix metalloproteinases through the nuclear factor kappa B pathway and Ca2+ signals in ... 
      Osorio, C.; Cavalla, F.; Paula Lima, Andrea; Díaz Araya, Guillermo; Vernal Astudillo, Rolando; Ahumada, P.; Gamonal Aravena, Jorge Antonio; Hernández, M. (Wiley & Sons, 2015)
      BackgroundThe mechanisms involved in reactive oxygen species and matrix metalloproteinase (MMP)-mediated periodontal tissue breakdown are unknown. ObjectiveTo determine the effect of H2O2 in MMP-2 and MMP-9 activity, ...
    • 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 ...
    • High levels of CXC Ligand 12/stromal cell-derived factor 1 in apical lesions of endodontic origin associated ... 
      Cavalla, Franco; Reyes, Montserrat; Vernal Astudillo, Rolando; Álvarez, Carla; Paredes, Rodolfo; García Sesnich, Jocelyn; Infante, Magdalena; Fariña, Valeska; Barrón, Ignacio; Hernández, Marcela (2013)
      INTRODUCTION: CXC ligand 12/stromal-derived factor-1 (CXCL12/SDF-1) is a pleiotropic chemokine that regulates the influx of a wide range of leukocytes. The aim of this study was to characterize CXCL12/SDF-1 in apical ...
    • High Levels of CXC Ligand 12/Stromal Cell–derived Factor 1 in Apical Lesions of Endodontic Origin Associated ... 
      Cavalla, Franco; Reyes Rojas, Montserrat de los Ángeles; Vernal Astudillo, Rolando; Álvarez, Carla; Paredes, Rodolfo; García Sesnich, Jocelyn; Infante, Magdalena; Fariña, Valeska; Barrón, Ignacio; Hernández Ríos, Marcela (American Association of Endodontists, 2013)
      Introduction: CXC ligand 12/stromal-derived factor-1 (CXCL12/SDF-1) is a pleiotropic chemokine that regulates the influx of a wide range of leukocytes. The aim of this study was to characterize CXCL12/SDF-1 in apical lesions ...
    • Host-pathogen interactions in progressive chronic periodontitis 
      Hernández Ríos, Emma; Dutzan Muñoz, Nicolás; García Sesnich, Jocelyn; Abusleme Ramos, Loreto Andrea; Dezerega Piwonka, Andrea; Silva Steffens, Nora; González Bergas, Fermín; Vernal Astudillo, Rolando; Sorsa, T.; Gamonal Aravena, Jorge Antonio (Sage, 2011-10)
      Periodontitis is an infection characterized by the occurrence of supporting tissue destruction with an episodic nature. Disease progression is often determined by the loss of attachment level or alveolar bone, and sequential ...
    • Human and canine dendritic cell responses triggered by Brucella canis and Eschericchia coli lipopolysaccharide 
      Pujol, M.; Arias Bautista, José Luis; Álvarez, C.; Rojas, L.; Ferreira, A.; Vernal Astudillo, Rolando (2016)
    • Identificación de linfocitos Th9 y Th22 en periodontitis 
      Saavedra Pérez de Arce, José Francisco (Universidad de Chile, 2014)
      Las periodontitis son un conjunto de enfermedades de naturaleza inflamatoria y etiología infecciosa. El biofilm subgingival, constituido principalmente por bacterias anaerobias Gram-negativas, es el factor etiológico ...
    • IL-22–expressing CD4 + AhR + T lymphocytes are associated with RANKL-mediated alveolar bone resorption ... 
      Monasterio, Gustavo; Budini, Victoria; Fernández, Baltasar; Castillo, Francisca; Rojas, Carolina; Alvarez, Carla; Cafferata, Emilio A.; Vicencio, Emiliano; Cortés, Bastián I.; Cortez, Cristian; Vernal Astudillo, Rolando (Blackwell Munksgaard, 2019)
      Background and Objective: Over the past few years, the importance of interleukin-22 (IL-22) and T-helper (Th)22 lymphocytes in the pathogenesis of periodontitis has become apparent; however, there are still aspects that ...
    • Immunostimulatory activity of low-molecular-weight hyaluronan on dendritic cells stimulated with Aggregatibacter ... 
      Monasterio, Gustavo; Guevara, José; Ibarra, Juan; Castillo, Francisca; Díaz Zúñiga, Jaime; Alvarez, Carla; Cafferata, Emilio; Vernal Astudillo, Rolando (Springer Verlag, 2018)
      Objectives Periodontitis is a chronic inflammatory disease characterized by tooth-supporting tissue destruction, which is elicited by the host’s immune response triggered against periodonto-pathogen bacteria. During ...
    • Increased levels of the T-helper 22-associated cytokine (interleukin-22) and transcription factor (aryl ... 
      Díaz Zúñiga, Jaime; Melgar Rodríguez, Samanta; Rojas, L.; Alvarez, C.; Monasterio, G.; Carvajal Pavez, Paola; Vernal Astudillo, Rolando (Wiley, 2017)
      Background and ObjectiveTwo new T-helper (Th) phenotypes have been recently described and named Th9 and Th22 lymphocytes; however, their role in the pathogenesis of periodontitis remains unclear. This study was aimed to ...
    • Interleukin-21 expression and its association with proinflammatory cytokines in untreated chronic periodontitis ... 
      Dutzan Muñoz, Nicolás; Vernal Astudillo, Rolando; Vaque, Jose; García Sesnich, Jocelyn; Hernandez, Marcela; Abusleme, Loreto; Dezerega, Andrea; Gutkind, J.; Gamonal Aravena, Jorge Antonio (2012)
      Background: Interleukin-21 (IL-21) controls the differentiation of T-helper Th17 cells and induces the production of IL-17 in this T-cell subtype. The aim of this study is to determine the relative expression of IL-21 ...
    • Interleukin-35 inhibits alveolar bone resorption by modulating the Th17/Treg imbalance during periodontitis 
      Cafferata, Emilio; Terraza Aguirre, Claudia; Barrera, Romina; Faúndez, Nicolás; González, Nicolás; Rojas, Carolina; Melgar Rodríguez, Samanta; Hernández, Marcela; Carvajal, Paola; Cortez, Cristian; González, Fermín; Covarrubias, Cristian; Vernal Astudillo, Rolando (Wiley, 2020)
      Aim T lymphocytes play a central role during the pathogenesis of periodontitis, and the imbalance between the pathogenic T-helper type 17 (Th17) and protective T-regulatory (Treg) lymphocytes determines the tooth-supporting ...
    • Levels of cytokine receptor activator of nuclear factor κB ligand in gingival crevicular fluid in untreated ... 
      Vernal Astudillo, Rolando; Chaparro, Alejandra; Graumann, Rebecca; Puente, Javier; Valenzuela, Maria Antonieta; Gamonal Aravena, Jorge Antonio (2004)
      Background: Receptor activator of nuclear factor κB ligand (RANK-L) is a cytokine involved in the regulation of osteoclastogenesis in bone remodeling and inflammatory osteolysis. One of the major causes of tooth loss in ...
    • Levels of Interferon-Gamma and Transcription Factor T-Bet in Progressive Periodontal Lesions in Patients ... 
      Dutzan Muñoz, Nicolás; Vernal Astudillo, Rolando; Hernández Ríos, Emma; Dezerega Piwonka, Andrea; Rivera Escobar, Oriana; Silva Steffens, Nora; Aguillón Gutiérrez, Juan Carlos; Puente Piccardo, Javier; Pozo, Patricia; Gamonal Aravena, Jorge Antonio (2009-02)
      Background: Periodontitis is an infection with an episodic pattern of tissue-support destruction. During the generation of a primary CD4+ T helper 1 (Th1) response, interferon-gamma (IFN-g) acts as a positive regulator ...
    • Levels of interleukin-17 in gingival crevicular fluid and in supernatants of cellular cultures of gingival ... 
      Vernal Astudillo, Rolando; Dutzan Muñoz, Nicolás; Chaparro, Alejandra; Puente Piccardo, Javier; Valenzuela, María Antonieta; Gamonal Aravena, Jorge Antonio (BLACKWELL MUNKSGAARD, 2005-04)
      Background and Aims: Interleukin-17 (IL-17) is a T-cell-derived cytokine that may play an important role in the initiation or maintenance of the pro-inflammatory response and has recently been found to stimulate osteoclastic ...
    • Levels of interleukin-21 in patients with untreated chronic periodontitis 
      Dutzan Muñoz, Nicolás; Rivas, Catalina; García Sesnich, Jocelyn; Henríquez, Leslie; Rivera Escobar, Oriana; Dezerega Piwonka, Andrea; Hernández Ríos, Emma; Silva Steffens, Nora; Aguillón Gutiérrez, Juan Carlos; Puente Piccardo, Javier; Vernal Astudillo, Rolando; Gamonal Aravena, Jorge Antonio (American Academy of Periodontology, 2011-10)
      BACKGROUND: A growing body of evidence suggested that interleukin (IL)-21 enhances the effector phase during T-cell responses. The aim of our study is to determine the levels of IL-21 in periodontal sites from patients ...
    • Linfocitos T colaboradores (TH) 9 y TH22 y su asociación con Aggregatibacter actinomycetemcomitans 
      Benítez Cravero, Alvaro Gustavo (Universidad de Chile, 2014)
      Las periodontitis son un conjunto de enfermedades de naturaleza inflamatoria y etiología infecciosa. La biopelícula patogénica subgingival, constituida principalmente por bacterias anaerobias Gram-negativas, es el ...