Browsing by Author "Lavandero González, Sergio"

Now showing items 1-20 of 184

    • A role for adrenaline and calmodulin in modulating cyclic AMP levels during the lactogenic cycle 
      Muñoz, Aira; Lavandero González, Sergio; Donoso, Eduardo; Puente Piccardo, Javier; Sapag Hagar, Mario (1985)
      The effect on lactose production of several external modulators of intracellular cyclic AMP was studied in rat mammary gland tissue slices and explants. Adrenaline, a β-adrenergic receptor effector, forskolin, a direct ...
    • ACE2 and vasoactive peptides: Novel players in cardiovascular/renal remodeling and hypertension 
      Mendoza Torres, Evelyn; Oyarzún, Alejandra; Mondaca Ruff, David; Azocar, Andrés; Chiong Lay, Mario; Castro, Pablo F.; Jalil Milad, Jorge; Lavandero González, Sergio; Ocaranza, María Paz (2015)
      The renin–angiotensin system (RAS) is a key component of cardiovascular physiology and homeostasis due to its influence on the regulation of electrolyte balance, blood pressure, vascular tone and cardiovascular remodeling. ...
    • Actividad plasmática de la enzima convertidora de angiotensina I en población chilena normal y relación con ... 
      Jalil Milad, Jorge; Córdova, Samuel; Piddo Mijares, Ana María; Chamorro, Gastón; Braun J., Sandra; Vega, Jeanette; Jadue, Liliana; Lavandero González, Sergio; Jalil R., R.; Lastra, P.; Garrido, Carmen (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2000)
      El objetivo del estudio fue estimar la prevalencia de los distintos alelos del polimorfismo del gen de la enzima convertidora de angiotensina (ECA), inserción/deserción (I/D) y simultáneamente la actividad de ECA plasmática ...
    • 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
    • Aldose reductase induced by hyperosmotic stress mediates cardiomyocyte apoptosis - Differential effects of ... 
      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 ...
    • Alteration in mitochondrial Ca2+ uptake disrupts insulin signaling in hypertrophic cardiomyocytes 
      Gutiérrez, Tomás; Parra, Valentina; Troncoso, Rodrigo; Pennanen, Christian; Contreras Ferrat, Ariel Eduardo; Vásquez Trincado, César Alonso; Morales, Pablo E.; López Crisosto, Camila; Sotomayor Flores, Cristian Alejandro; Chiong Lay, Mario; Rothermel, Beverly A.; Lavandero González, Sergio (BioMed Central Ltd., 2014)
      © 2014 Gutierrez et al.; licensee BioMed Central Ltd. Background: Cardiac hypertrophy is characterized by alterations in both cardiac bioenergetics and insulin sensitivity. Insulin promotes glucose uptake by cardiomyocytes ...
    • Anabolic Androgenic Steroids and Intracellular Calcium Signaling: A Mini Review on Mechanisms and Physiological ... 
      Vicencio Bustamante, José Manuel; Estrada, M.; Galvis, D.; Bravo, R.; Contreras Ferrat, Ariel Eduardo; Rotter, D.; Szabadkai, G.; Hill, Joseph A.; Rothermel, B. A.; Jaimovich Pérez, Enrique; Lavandero González, Sergio (BENTHAM SCIENCE PUBL LTD, 2011-05)
      Increasing evidence suggests that nongenomic effects of testosterone and anabolic androgenic steroids (AAS) operate concertedly with genomic effects. Classically, these responses have been viewed as separate and independent ...
    • Angiotensin I-converting enzyme gene polymorphism influences chronic hypertensive response in the rat ... 
      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 ...
    • Angiotensin I-converting enzyme insertion/delection polymorphism and adrenergic response to exercise in ... 
      Jalil Milad, Jorge; Córdova, Samuel; Ocaranza, María Paz; Schumacher, Erwin; Braun J., Sandra; Chamorro, Gastón; Fardella, Carlos E.; Lavandero González, Sergio (International Medical Science for Experimental and Clinical Research, 2002)
      The insertion/delection ACE polymorphism (ACE I/D) regulates different levels of circulating and tissue ACE activities, which may induce diverse adrenergic responses to physiological stimuli. The aim of this study was ...
    • Angiotensin I-converting enzyme modulates neutral endopeptidase activity in the rat 
      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 ...
    • 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) reduces cardiovascular and renal inflammation in experimental renin-independent hypertension 
      González, Leticia; Novoa, Ulises; Moya, Jackeline; Gabrielli, Luigi; Jalil Milad, Jorge; García Nannig, Lorena; Chiong Lay, Mario; Lavandero González, Sergio; Ocaranza, María Paz (Elsevier Inc., 2018)
      © 2018 Elsevier Inc. Hypertension-induced cardiovascular and renal damage can be mediated by activation of the renin-angiotensin-aldosterone system. There are different factors beyond renin-angiotensin-aldosterone system ...
    • Angiotensin-(1-9) regulates cardiac hypertrophy in vivo and in vitro 
      Ocaranza, Maria Paz; Lavandero González, Sergio; Jalil Milad, Jorge; Moya, Jaqueline; Pinto, Melissa; Novoa, Ulises; Apablaza, Felipe; González, Leticia; Hernández, Carol; Varas, Manuel; López, René; Godoy, Iván; Verdejo, Hugo; Chiong Lay, Mario (Lippincott Williams and Wilkins, 2010)
      Background: Angiotensin-(1-9) is present in human and rat plasma and its circulating levels increased early after myocardial infarction or in animals treated with angiotensin-converting enzyme inhibitor. However, the ...
    • 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:: ...
    • Angiotensin-(1–9) prevents cardiomyocyte hypertrophy by controlling mitochondrial dynamics via miR-129-3p/PKIA ... 
      Sotomayor Flores, Cristian; Rivera Mejías, Pablo; Vásquez Trincado, César; López Crisosto, Camila; Morales, Pablo E.; Pennanen, Christian; Polakovicova, Iva; Aliaga Tobar, Víctor; García Nannig, Lorena; Roa, Juan Carlos; Rothermel, Beverly A.; Maracaja Coutinho, Vinicius; Ho-Xuan, Hung; Meister, Gunter; Chiong, Mario; Ocaranza, María Paz; Corvalán, Alejandro H.; Parra Ortiz, Valentina; Lavandero González, Sergio (2020)
      Angiotensin-(1-9) is a peptide from the noncanonical renin-angiotensin system with anti-hypertrophic effects in cardiomyocytes via an unknown mechanism. In the present study we aimed to elucidate it, basing us initially ...
    • 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
    • Autofagia del cardiomiocito: ¿Un nuevo mecanismo de adaptación al estrés o de muerte celular? 
      Aránguiz Urroz, Pablo Daniel; Contreras Ferrat, Ariel Eduardo; Rojas Rivera, Diego; Troncoso Cotal, Rodrigo Hernán; Marambio Morales, Paola Angélica; Toro, Bárbara; Sanhueza Muñoz, Carlos Joaquín; Pennanen Saavedra, Christian; Díaz Elizondo, Jessica; Parra Ortíz, María Valentina; Chiong Lay, Mario; Díaz Araya, Guillermo; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2006)
      Históricamente, la apoptosis y la necrosis han sido consideradas como las dos formas fundamentales de muerte celular. Sin embargo, evidencias recientes sugieren que la muerte celular programada no está confinada sólo a ...
    • Autophagy Activation in Zebrafish Heart Regeneration 
      Chávez, Myra; Morales, Rodrigo A.; López Crisosto, Camila; Roa, Juan; Allende Connelly, Miguel; Lavandero González, Sergio (Nature, 2020)
      Autophagy is an evolutionarily conserved process that plays a key role in the maintenance of overall cellular health. While it has been suggested that autophagy may elicit cardioprotective and pro-survival modulating ...
    • Autophagy in cardiovascular biology 
      Lavandero González, Sergio; Chiong Lay, Mario; Rothermel, Beverly A.; Hill, Joseph A. (American Society for Clinical Investigation, 2015)
      Cardiovascular disease is the leading cause of death worldwide. As such, there is great interest in identifying novel mechanisms that govern the cardiovascular response to disease-related stress. First described in failing ...
    • BAG3 regulates total MAP1LC3B protein levels through a translational but not transcriptional mechanism 
      Rodríguez, Andrea E.; López Crisosto, Camila; Peña Oyarzún, Daniel; Salas, Daniela; Parra A., Valentina; Quiroga, Clara; Morawe, Tobías; Chiong Lay, Mario; Behl, Christian; Lavandero González, Sergio (Taylor and Francis, 2016)
      Autophagy is mainly regulated by post-translational and lipid modifications of ATG proteins. In some scenarios, the induction of autophagy is accompanied by increased levels of certain ATG mRNAs such as MAP1LC3B/LC3B, ATG5 ...