Browsing by Author "Díaz Araya, Guillermo"

Now showing items 1-20 of 54

    • Activity of metalloproteinase-9 is related to oxidative stress in the acute coronary syndrome 
      Bittner, Alex; Castro Agüero, Pablo; Pérez, Osvaldo; Alcaíno Olivares, Hernán Alejandro; Troncoso Cotal, Rodrigo; Chiong Lay, Mario; Díaz Araya, Guillermo; Lavandero González, Sergio (OXFORD UNIV PRESS, 2006-08)
      Meeting Abstract
    • Angiotensin II triggers apoptosis in cardiac fibroblast but not in myofibroblast overexpressing the type 1 receptor 
      Díaz Araya, Guillermo; Vivar Sánchez, Raúl; Soto, C.; Copaja, Miguel; Mateluna, F.; Aránguiz Urroz, Pablo Daniel; Muñoz, Juan Pablo; Chiong Lay, Mario; Thomas, W. G.; Lavandero González, Sergio (BLACKWELL PUBLISHING, 2007-07)
      Meeting Abstract
    • Angiotensin-(1-9) reverses experimental hypertension and cardiovascular damage by inhibition of the angiotensin ... 
      Ocaranza, Maria Paz; Moya, Jackeline; Barrientos, Victor; Alzamora, Rodrigo; Hevia, Daniel; Morales, Cristobal; Pinto, Melissa; Escudero, Nicolás; García Nannig, Lorena; Novoa, Ulises; Ayala, Pedro; Díaz Araya, Guillermo; Godoy, Ivan; Chiong Lay, Mario; Lavandero González, Sergio; Jalil Milad, Jorge (Lippincott Williams and Wilkins, 2014)
      BACKGROUND:: Little is known about the biological effects of angiotensin-(1-9), but available evidence shows that angiotensin-(1-9) has beneficial effects in preventing/ameliorating cardiovascular remodeling. OBJECTIVE:: ...
    • Antioxidant effects of 1,4-dihydropyridine and niitroso aryl derivatives on the Fe+3/ascorbate-stimulated ... 
      Díaz Araya, Guillermo; Godoy, L.; Naranjo, L.; Squella, A.; Letelier, M. E.; Núñez Vergara, Luis (1998)
      Lipid peroxidation in rat brain slices was induced by Fe+3/ascorbate.Brain lipid peroxidation, as measured by malondialdehyde formation, was inhibited by all the tested nitro aryl 1,4-dihydropyridine derivatives over a ...
    • Antioxidant effects of 1,4-dihydropyridine and nitroso aryl derivatives on the Fe+3/ascorbate-stimulated ... 
      Díaz Araya, Guillermo; Godoy Oviedo, Luis; Naranjo, Luis; Squella Serrano, Juan; Letelier Muñoz, María Eugenia; Núñez Vergara, Luis (PERGAMON-ELSEVIER SCIENCE, 1998-09)
      1. Lipid peroxidation in rat brain slices was induced by Fe+3/ascorbate. 2. Brain lipid peroxidation, as measured by malondialdehyde formation, was inhibited by all the tested nitro aryl 1,4-dihydropyridine derivatives ...
    • Apoptosis induced by hyperosmotic stress 
      Eisner, Verónica; Quiroga Lagos, Clara; Criollo Céspedes, Alfredo; Olea Azar, Claudio; Díaz Araya, Guillermo; Chiong Lay, Mario; Lavandero González, Sergio (PERGAMON-ELSEVIER SCIENCE LTD, 2004)
      Meeting Abstract
    • Beta(2)-adrenergic receptor regulates cardiac fibroblast autophagy and collagen degradation 
      Aránguiz Urroz, Pablo Daniel; Canales Urriola, Jimena Andrea; Copaja, Miguel; Troncoso Cotal, Rodrigo; Vicencio Bustamante, José Miguel; Carrillo Ballesteros, Constanza Carolina; Lara Peñaloza, Hernán; Lavandero González, Sergio; Díaz Araya, Guillermo (ELSEVIER SCIENCE BV, 2011-01)
      Autophagy is a physiological degradative process key to cell survival during nutrient deprivation, cell differentiation and development. It plays a major role in the turnover of damaged macromolecules and organelles, and ...
    • Cardiac fibroblasts as sentinel cells in cardiac tissue: Receptors, signaling pathways and cellular functions 
      Díaz Araya, Guillermo; Vivar Sánchez, Raúl; Humeres Martínez, Claudio; Boza Fuentes, Pía; Bolívar, S.; Muñoz, C. (Elsevier, 2015)
      Cardiac fibroblasts (CF) not only modulate extracellular matrix (ECM) proteins homeostasis, but also respond to chemical and mechanical signals. CF express a variety of receptors through which they modulate the proliferation/cell ...
    • Carvedilol corrects interventricular and interventricular dyssynchrony in chronic heart failure. 
      Castro, Pablo; Mc-Nab, Pablo; Bittner, Alex; Greig, Douglas; Quintana, Juan Carlos; Chiong Lay, Mario; Díaz Araya, Guillermo; Valenzuela, Rodrigo; Vergara, I.; Corbalán, Ramón; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2005-02-01)
      Meeting Abstract
    • Dexmedetomidine preconditioning activates pro-survival kinases and attenuates regional ischemia/reperfusion ... 
      Ibacache Figueroa, Mauricio; Sánchez, Gina; Gálvez, Felipe; Pedrozo Cibils, Zully; Humeres Martínez, Claudio; Echevarría, Ghislaine; Duaso, Juan; Hassi, Mario; García Nannig, Lorena; Díaz Araya, Guillermo; Lavandero González, Sergio (ELSEVIER, 2012-04)
      Pharmacological preconditioning limits myocardial infarct size after ischemia/reperfusion. Dexmedetomidine is an alpha(2)-adrenergic receptor agonist used in anesthesia that may have cardioprotective properties against ...
    • Differential Participation of Angiotensin II Type 1 and 2 Receptors in the Regulation of Cardiac Cell Death ... 
      Aránguiz Urroz, Pablo Daniel; Soto Muñoz, Dagoberto; Contreras Ferrat, Ariel Eduardo; Troncoso Cotal, Rodrigo; Chiong Lay, Mario; Montenegro Obregón, José Joaquín; Venegas Pino, Daniel Esteban; Smolic Smolic, Christian; Ayala Jeria, Pedro Segundo; Thomas, W. G.; Lavandero González, Sergio; Díaz Araya, Guillermo (NATURE PUBLISHING GROUP, 2009-05)
      The Angiotensin II (Ang II) type 1 (AT(1)R) and type 2 (AT(2)R) receptors are increased in the heart following myocardial infarction and dilated cardiomyopathy, yet their contribution at a cellular level to compensation ...
    • Efectos del carvedilol en la capacidad funcional, función ventricular izquierda, catecolaminas y estrés ... 
      Castro, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Padilla, Ivonne; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Lavandero González, Sergio (Sociedad Española de Cardiología, 2004)
      El carvedilol es un antagonista adrenérgico con acción antioxidante y un demostrado beneficio sobre la mortalidad en insuficiencia cardíaca (IC). El objetivo de este estudio es evaluar, en pacientes con insuficiencia ...
    • Effects of atorvastatin therapy in heart failure: Oxidative stress, inflammation, endothelial dysfunction ... 
      Miranda, Rodrigo; Castro, Pablo; Verdejo, Hugo; Greig, Douglas; Alcaíno Olivares, Hernán Alejandro; Bustos Contreras, Carlos Andrés; Vukasovic Ramírez, José Luis; Godoy, Iván; Díaz Araya, Guillermo; Lavandero González, Sergio (ELSEVIER SCIENCE INC, 2007-03-06)
      Meeting Abstract
    • Effects of carvedilol on functional capacity, left ventricular function, catecholamines and oxidative stress ... 
      Castro, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso, Rodrigo; Padilla, Ivonne; Vukasovic, Jose L.; Corbalán, Ramón; Lavandero González, Sergio (Ediciones Doyma, S.L., 2004)
      Introduction and objective. Carvedilol is an antioxidant and adrenergic antagonist with demonstrated benefits in terms of mortality from heart failure (HF). The aim of the present study was to evaluate clinical parameters, ...
    • Effects of carvedilol on functional capacity, left ventricular function, catecholamines and oxidative stress ... 
      Castro Agüero, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Padilla, Ivonne; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Lavandero González, Sergio (EDICIONES DOYMA S/L, 2004-11)
      Introduction and objective. Carvedilol is an antioxidant and adrenergic antagonist with demonstrated benefits in terms of mortality from heart failure (HF). The aim of the present study was to evaluate clinical parameters, ...
    • Effects of Carvedilol upon intra- and interventricular synchrony in patients with chronic heart failure 
      Castro, Pablo; Mac Nab, Paul; Quintana, Juan Pablo; Bittner, Alex; Greig, Douglas; Vergara, I.; Vukasovic Ramírez, José Luis; Corbalán, Ramón; Copaja, Miguel; Díaz Araya, Guillermo; Chiong Lay, Mario; Troncoso Cotal, Rodrigo; Alcaíno Olivares, Hernán Alejandro; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2005-07-15)
      Radionuclide isotopic ventriculography with phase analysis was performed in 30 patients with stable heart failure (HF), determining left ventricular (LV) and interventricular contraction synchrony at baseline and after 6 ...
    • Effects of early decrease in oxidative stress after medical therapy in patients with class IV congestive ... 
      Castro, Pablo; Díaz Araya, Guillermo; Nettle Danniels, Maurice; Corbalán, Ramón; Pérez, Osvaldo; Nazzal Nazal, Carolina; Larrain, Germán; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2002-01-15)
      It has been reported that patients with congestive heart failure (CHF) have increased breath pentane content, conjugated diene levels, and plasma malondialdehyde (MDA) levels, an indirect marker of lipid peroxidation.(1-3) ...
    • EPAC expression and function in cardiac fibroblasts and myofibroblasts 
      Olmedo, Ivonne; Muñoz, Claudia; Guzmán, Nancy; Catalán, Mabel; Vivar, Raúl; Ayala, Pedro; Humeres Martínez, Claudio; Aránguiz, Pablo; García Nannig, Lorena; Velarde, Victoria; Díaz Araya, Guillermo (Elsevier, 2013)
      In the heart, cardiac fibroblasts (CF) and cardiac myofibroblasts (CMF) are the main cells responsible for wound healing after cardiac insult. Exchange protein activated by cAMP (EPAC) is a downstream effector of cAMP, ...
    • Expression and function of TLR4-induced B1R bradykinin receptor on cardiac fibroblasts 
      Muñoz Rodríguez, Claudia Muriel; Fernández, Samuel; Osorio, Jose Miguel; Olivares, Francisco; Anfossi, Renatto; Bolivar, Samir; Humeres, Claudio; Boza Fuentes, Pía; Vivar, Raúl; Pardo Jiménez, Viviana Gladys; Hemmings, Karen E.; Turner, Neil A.; Díaz Araya, Guillermo (Elsevier, 2018)
      Cardiac fibroblasts (CF) are key cells for maintaining extracellular matrix (ECM) protein homeostasis in the heart, and for cardiac repair through CF-to-cardiac myofibroblast (CMF) differentiation. Additionally, CF play ...
    • Extracellular regulated kinase, but not protein kinase C, is an antiapoptotic signal of insulin-like growth ... 
      Foncea Avila, Rocío; Gálvez, Anita; Pérez Montes, Viviana; Morales, María Paz; Calixto, Andrea; Meléndez Vergara, Jaime; González Jara, Fabián Rodrigo; Díaz Araya, Guillermo; Sapag Hagar, Mario; Sugden, Peter H.; LeRoith, Derek; Lavandero González, Sergio (ACADEMIC PRESS INC, 2000-07-05)
      This study aims to elucidate the signaling pathway for insulin-like growth factor-1 (IGF-1) in cultured neonatal rat cardiomyocytes and particularly the role of IGF-1 in cardiac apoptosis, IGF-1 stimulated polyphosphoinositide ...