Now showing items 4641-4660 of 5196

    • Troncoso Cotal, Rodrigo; Moraga, Francisco; Chiong Lay, Mario; Roldán S., Juan; Bravo Méndez, Roberto; Valenzuela, Rodrigo; Díaz Araya, Guillermo; Campo Sfeir, Andrea Estefanía del; Sanhueza Muñoz, Carlos Joaquín; Rodríguez Villarroel, Andrea Elizabeth; Vukasovic Ramírez, José Luis; Mellado, Rose Marie; Greig, Douglas; Castro, Pablo; Lavandero González, Sergio (WILEY-BLACKWELL PUBLISHING, 2009-05)
      We investigated the clinical response of chronic heart failure patients with beta(2)- adrenergic receptor Gln(27)-> Glu polymorphism treated for 6 months with carvedilol, a alpha/beta-antagonist with antioxidant properties. ...
    • Egaña, José T.; Condurache, A.; Lohmeyer, J. A.; Kremer, Mathias; Stoeckelhuber, B. M.; Lavandero González, Sergio; Machens, Hans Günther (SPRINGER, 2009-03)
      Neovascularization plays a pivotal role in tissue engineering and tissue regeneration. However, reliable technologies to visualize and quantify blood vessel networks in target tissue areas are still pending. In this work, ...
    • Noriega Sepúlveda, Viviana Carolina; Pennanen Saavedra, Christian; Sánchez, P.; Chiong Lay, Mario; Llancaqueo Valeri, Marcelo; Lavandero González, Sergio; Prieto Domínguez, Juan (WILEY-BLACKWELL PUBLISHING, 2009-03)
      3-Hydroxy-3-methylglutaryl-coenzyme A reductase inhibitors have been used clinically for lowering total and low-density lipoprotein cholesterol. Interindividual pharmacological differences observed with this treatment have ...
    • Parra Ortíz, María Valentina; Eisner, Verónica; Chiong Lay, Mario; Criollo Céspedes, Alfredo; Moraga, Francisco; García, Alejandra; Haertel, Steffen; Jaimovich Pérez, Enrique; Zorzano, Antonio; Hidalgo Tapia, María Cecilia; Lavandero González, Sergio (ELSEVIER SCIENCE BV, 2008-01-15)
      Aims In cells, mitochondria are organized as a network of interconnected organelles that fluctuate between fission and fusion events (mitochondrial dynamics). This process is associated with cell death. We investigated ...
    • Rivera, Paulina; Ocaranza, María Paz; Lavandero González, Sergio; Jalil Milad, Jorge (LIPPINCOTT WILLIAMS & WILKINS, 2007-10)
      The RhoA/Rho kinase (ROCK) pathway is a new mechanism of remodeling and vasoconstriction. Few data are available regarding ROCK activation when angiotensin I-converting enzyme is high and blood pressure is normal. We ...
    • Oliveri Pérez, Carla Giovanna; Ocaranza, María Paz; Campos Bastidas, Ximena; Lavandero González, Sergio; Jalil Milad, Jorge (LIPPINCOTT WILLIAMS & WILKINS, 2001-09)
      Angiotensin I is a substrate for both ACE and for neutral endopeptidase 24.11 (NEP). We hypothesized that high ACE expression is related to low NEP activity. Accordingly, circulating and tissue NEP and ACE activities were ...
    • González Navarrete, Flor Cecilia; Eisner, Verónica; Morales, Priscilla; Castro, Olga; Pommer Téllez, Ricardo; Quiroga Lagos, Clara; Lavandero González, Sergio; Devoto, Luigi (PARTHENON PUBLISHING GROUP, 2007-07)
      Background. The role of tumor necrosis factor-alpha (TNF-alpha) in granulosa luteal cell function and steroidogenesis is still controversial. Our aim was to examine the steroiclogenic response, together with the simultaneous ...
    • Díaz Cuevas, Laín; Chiong Lay, Mario; Quest, Andrew F. G.; Lavandero González, Sergio; Stutzin Schottlander, Andrés (NATURE PUBLISHING GROUP, 2005-11)
      Editorial Material
    • 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 ...
    • 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) ...
    • Díaz Araya, Guillermo; Nettle Danniels, Maurice; Castro Agüero, Pablo; Miranda, Fernando; Greig, Douglas; Campos Bastidas, Ximena; Chiong Lay, Mario; Nazal N., Carolina; Corbalán, Ramón; Lavandero González, Sergio (LIPPINCOTT WILLIAMS & WILKINS, 2002-02)
      Objective: To evaluate the oxidative stress status and the modification with glucose-insulin-potassium (GIK) therapy in patients with acute myocardial infarction undergoing primary percutaneous transluminal coronary ...
    • Ocaranza, María Paz; Piddo Mijares, Ana María; Faúndez Fuentes, Perla Andrea; Lavandero González, Sergio; Jalil Milad, Jorge (LIPPINCOTT WILLIAMS & WILKINS, 2002-03)
      Background and objective In humans, the insertion/ deletion polymorphism in the anglotensin (Ang) I converting enzyme (ACE) gene significantly determines ACE activity. The deletion allele induces higher ACE levels and is ...
    • Michea Acevedo, Luis; Delpiano Barriga, Ana María; Hitschfeld, C.; Lobos González, Lorena; Lavandero González, Sergio; Marusic, Elisa (ENDOCRINE SOC, 2005-03)
      There is increasing evidence for rapid nongenomic effects of aldosterone. Aldosterone has been demonstrated to alter intracellular pH and calcium in isolated cells. However, few studies have correlated these effects with ...
    • Ocaranza, María Paz; Díaz Araya, Guillermo; Carreño, J. E.; Muñoz, David; Riveros, Juan Pablo; Jalil Milad, Jorge; Lavandero González, Sergio (AMER PHYSIOLOGICAL SOC, 2004-02-01)
      In humans, the effect of angiotensin-converting enzyme (ACE) gene polymorphisms in cardiovascular disease is still controversial. In the rat, a microsatellite marker in the ACE gene allows differentiation of the ACE gene ...
    • Díaz Araya, Guillermo; Borg, T. K.; Lavandero González, Sergio; Loftis, M. J.; Carver, W. (TAYLOR & FRANCIS LTD, 2003-05)
      The collagenous extracellular matrix (ECM) forms a stress-tolerant network that is essential for proper function of the vertebrate heart. Profound changes have been detected in the interstitial ECM concurrent with developmental ...
    • Gálvez, A. S.; Ulloa Valenzuela, Juan Alberto; Chiong Lay, Mario; Criollo Céspedes, Alfredo; Eisner, Verónica; Barros, L.; Lavandero González, Sergio (AMER SOC BIOCHEMISTRY MOLECULAR BIOLOGY INC, 2003-10-03)
      Cells adapt to hyperosmotic conditions by several mechanisms, including accumulation of sorbitol via induction of the polyol pathway. Failure to adapt to osmotic stress can result in apoptotic cell death. In the present ...
    • Jalil Milad, Jorge; Palomera Gómez, Cristián Alejandro; Ocaranza, María Paz; Godoy, Iván; Román, Maritza; Chiong Lay, Mario; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2003-09-15)
      In patients with hypertension who have the DD-ACE genotype (higher angiotensin-converting enzyme [ACE] activity), plasma levels of angiotensin-(1-7) are 4 times lower than in patients with the II-ACE genotype (lower ACE ...
    • Castro, Pablo; Greig, Douglas; Pérez, Osvaldo; Moraga, Francisco; Chiong Lay, Mario; Díaz Araya, Guillermo; Padilla, Ivonne; Nazzal Nazal, Carolina; Jalil Milad, Jorge; Vukasovic Ramírez, José Luis; Moreno, M.; Corbalán, Ramón; Lavandero González, Sergio (EXCERPTA MEDICA INC, 2003-07-15)
    • Frey, Christian; Pavani, Mario; Cordano, Gianni; Muñoz, Sergio; Rivera, Enrique; Medina, Jorge; Morello Casté, Antonio; Maya Arango, Juan; Ferrada Parker, Jorge (ELSEVIER, 2007)
      Alkyl esters of gallic acid inhibited the respiration rate of mouse sarcoma 786A and mouse mammary adenocarcinoma TA3 cell lines and its multiresistant variant TA3-MTX-R more effectively than gallic acid, both in the ...
    • Morales, P.; Huaiquín, P.; Bustamante, D.; Fiedler Temer, Jenny; Herrera-Marschitz Muller, Mario (F.P. Graham Publishing Co., 2007)
      There is clinical and experimental evidence indicating that neurocircuitries of the hippocampus are vulnerable to hypoxia/ischemia occurring at birth, inducing, upon re-oxygenation/re-circulation, delayed neuronal ...