Browsing by Author "Lavandero González, Sergio"

Now showing items 61-80 of 312

    • Ceramide-induced formation of ROS and ATP depletion trigger necrosis in lymphoid cells 
      Villena, Joan; Henríquez Luna, Mauricio; Torres Gómez, Vicente; Moraga, Francisco; Díaz Elizondo, Jessica; Arredondo, Cristian; Chiong Lay, Mario; Olea Azar, Claudio; Stutzin Schottlander, Andrés; Lavandero González, Sergio; Quest, Andrew F. G. (ELSEVIER SCIENCE INC, 2008-03-15)
      In lymphocytes, Fas activation leads to both apoptosis and necrosis, whereby the latter form of cell death is linked to delayed production of endogenous ceramide and is mimicked by exogenous administration of long- and ...
    • Changes in cyclic AMP dependent protein kinase and active stiffness in the rat volume overload model of ... 
      Lavandero González, Sergio; Cartagena,; Guarda,; Corbalan,; Godoy,; Sapag Hagar, Mario; Jalil, (1993)
      Objective: The aim was to clarify the role of cyclic AMP dependent protein kinase (PKA) and changes in mechanical heart function during development of cardiac hypertrophy induced by volume overload. Methods: Protein and ...
    • Changes in cyclic AMP dependent protein kinase and active stiffness in the rat volume overload model of ... 
      Lavandero González, Sergio; Cartagena, Gastón; Guarda, Eduardo; Corbalán, Ramón; Godoy, Iván; Sapag Hagar, Mario; Jalil Milad, Jorge (Oxford University Press, 1993)
      Objective: The aim was to clarify the role of cyclic AMP dependent protein kinase (PKA) and changes in mechanical heart function during development of cardiac hypertrophy induced by volume overload. Methods: Protein and ...
    • Changes in mitochondrial dynamics during ceramide-induced cardiomyocyte early apoptosis 
      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 ...
    • Changes in β-adrenergic receptors of rat heart and adipocytes during volume-overload induced cardiac hypertrophy 
      Cartagena,; Sapag Hagar, Mario; Jalil,; Tapia,; Guarda,; Foncea,; Corbalan,; Ebensperger,; Lavandero González, Sergio (1993)
      Modification of cardiac β-adrenergic receptors (β-AR), resulting from the stimulation of the sympathetic nervous system, is one of the most important factors in the generation of cardiac hypertrophy and heart failure. In ...
    • Ciencias para el futuro: retos y oportunidades de la investigación en la Universidad de Chile en las próximas ... 
      Lavandero González, Sergio (2022)
    • Cohort profile: The Maule cohort (MAUCO) 
      Ferreccio, Catterina; Huidobro, Andrea; Cortés, Sandra; Bambs, Claudia; Toro, Pablo; Van De Wyngard, Vanessa; Acevedo, Johanna; Paredes, Fabio; Venegas, Pía; Verdejo, Hugo; Oyarzún González, Ximena; Cook, Paz; Castro, Pablo F.; Foerster, Claudia; Vargas, Claudio; Koshiol, Jill; Araya, Juan Carlos; Cruz, Francisco; Corvalán, Alejandro H.; Quest, Andrew F.; Kogan, Marcelo J.; Lavandero González, Sergio (Oxford University Press, 2020)
    • Contraction-related stimuli regulate GLUT4 traffic in C2C 12-GLUT4myc skeletal muscle cells 
      Niu, Wenyan; Bilan, Philip J.; Ishikura, Shuhei; Schertzer, Jonathan D.; Contreras Ferrat, Ariel Eduardo; Fu, Zhengxiang; Liu, Jie; Boguslavsky, Shlomit; Foley, Kevin P.; Liu, Zhi; Li, Jinru; Chu, Guilan; Panakkezhum, Thomas; Lopaschuk, Gary D.; Lavandero González, Sergio; Yao, Zhi; Klip (2010)
      Muscle contraction stimulates glucose uptake acutely to increase energy supply, but suitable cellular models that faithfully reproduce this complex phenomenon are lacking. To this end, we have developed a cellular model ...
    • Contraction-related stimuli regulate GLUT4 traffic in C2C12-GLUT4myc skeletal muscle cells 
      Niu, Wenyan; Bilan, Philip J.; Ishikura, Shuhei; Schertzer, Jonathan D.; Contreras Ferrat, Ariel Eduardo; Fu, Zhengxiang; Liu, Jie; Boguslavsky, Shlomit; Foley, Kevin P.; Liu, Zhi; Li, Jinru; Chu, Guilan; Panakkezhum, Thomas; Lopaschuk, Gary D.; Lavandero González, Sergio; Yao, Zhi; Klip, Amira (2010)
      Contraction-related stimuli regulate GLUT4 traffic in C2C12- GLUT4myc skeletal muscle cells. Am J Physiol Endocrinol Metab 298: E1058 –E1071, 2010. First published February 16, 2010; doi:10.1152/ajpendo.00773.2009.—Muscle ...
    • Counter- regulatory renin–angiotensin system in cardiovascular disease 
      Ocaranza, María Paz; Riquelme Meléndez, Jaime; García Nannig, Lorena; Jalil, Jorge; Chiong Lay, Mario; Santos, Robson; Lavandero González, Sergio (Nature, 2020)
      The renin–angiotensin system is an important component of the cardiovascular system. Mounting evidence suggests that the metabolic products of angiotensin I and II — initially thought to be biologically inactive — have ...
    • Cyclic AMP-dependent protein kinase and mechanical heart function in ventricular hypertrophy induced by ... 
      Piddo Mijares, Ana María; Sánchez, María Isabel; Sapag Hagar, Mario; Corbalán, Ramón; Foncea, Rocío; Ebensperger González, Roberto; Godoy, Iván; Meléndez, Jaime; Jalil Milad, Jorge; Lavandero González, Sergio (Academic Press, 1996)
      The role of cyclic AMP-dependent protein kinase (PKA) and systolic function during the development of left ventricular hypertrophy (LVH) still remain uncertain. The aim of this work is to study PKA activity and mechanical ...
    • Defective insulin signaling and mitochondrial dynamics in diabetic cardiomyopathy 
      Westermeier, Francisco; Navarro Márquez, Mario F.; López Crisosto, Camila; Bravo Sagua, Roberto; Quiroga Lagos, Clara; Bustamante, Mario; Verdejo, Hugo E.; Zalaquett Sepúlveda, Ricardo; Ibacache, Mauricio; Parra Ortíz, María Valentina; Castro, Pablo F.; Rothermel, Beverly A.; Hill, Joseph A.; Lavandero González, Sergio (Elsevier, 2015)
      Diabetic cardiomyopathy (DCM) is a common consequence of longstanding type 2 diabetes mellitus (T2DM) and encompasses structural, morphological, functional, and metabolic abnormalities in the heart.Myocardial energy metabolism ...
    • Dexamethasone-induced autophagy mediates muscle atrophy through mitochondrial clearance 
      Troncoso, Rodrigo; Paredes, Felipe; Parra, Valentina; Gatica, Damián; Vásquez Trincado, César Alonso; Quiroga, Clara; Bravo Sagua, Roberto; López Crisosto, Camila; Rodriguez, Andrea E.; Oyarzún, Alejandra P.; Kroemer, Guido; Lavandero González, Sergio (Taylor and Francis Inc., 2014)
      Glucocorticoids, such as dexamethasone, enhance protein breakdown via ubiquitin-proteasome system. However, the role of autophagy in organelle and protein turnover in the glucocorticoid-dependent atrophy program remains ...
    • 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 ...
    • Dexmedetomidine protects the heart against ischemia-reperfusion injury by an endothelial eNOS/NO dependent ... 
      Riquelme, Jaime; Westermeier, Francisco; Hall, Andrew R.; Vicencio, Jose; Pedrozo Cibils, Zully; Ibacache, Mauricio; Fuenzalida, Barbara; Sobrevia, Luis; Davidson, Sean M.; Yellon, Derek M.; Sánchez, Gina; Lavandero González, Sergio (Elsevier, 2016)
      The alpha2-adrenergic receptor agonist Dexmedetomidine (Dex) is a sedative medication used by anesthesiologists. Dex protects the heart against ischemia-reperfusion (IR) and can also act as a preconditioning mimetic. The ...
    • Diabetic cardiomyopathy and metabolic remodeling of the heart 
      Battiprolu, Pavan K.; López Crisosto, Camila; Wang, Zhao V.; Nemchenko, Andriy; Lavandero González, Sergio; Hill, Joseph A. (2013)
      The incidence and prevalence of diabetes mellitus are both increasing rapidly in societies around the globe. The majority of patients with diabetes succumb ultimately to heart disease, much of which stems from atherosclerotic ...
    • Diferencias genéticas en la disminución del colesterol por estatinas en pacientes chilenos con cardiopatia ... 
      Noriega Sepúlveda, Viviana Carolina; Pennanen Saavedra, Christian; Llancaqueo Valeri, Marcelo; Lavandero González, Sergio; Prieto Domínguez, Juan (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2007)
      Las estatinas son fármacos de elección para el tratamiento de hipercolesterolemia. Sin embargo, dado que existe una considerable variabilidad interindividual en la reducción del colesterol, la evaluación farmacogenética ...
    • 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 ...
    • Differential regulation of collagen secretion by kinin receptors in cardiac fibroblast and myofibroblast 
      Catalán, Mabel; Smolic, Christian; Contreras, Ariel; Ayala, Pedro; Olmedo, Ivonne; Copaja, Miguel; Boza Fuentes, Pía; Vivar, Raúl; Avalos, Yennifer; Lavandero González, Sergio; Velarde, Victoria; Díaz Araya, Guillermo (2012)
      Kinins mediate their cellular effects through B1 (B1R) and B2 (B2R) receptors, and the activation of B2R reduces collagen synthesis in cardiac fibroblasts (CF). However, the question of whether B1R and/or B2R have a role ...
    • Down syndrome critical region 1 gene, Rcan1, helps maintain a more fused Mitochondrial Network 
      Parra Ortíz, María Valentina; Altamirano, Francisco; Hernández Fuentes, Carolina; Tong, Dan; Kyrychenko, Victoriia; Rotter, David; Pedrozo Cibils, Zully; Hill, Joseph A.; Eisner, Verónica; Lavandero González, Sergio; Schneider, Jay W.; Rothermel, Beverly A. (Lippincott Williams & Wilkins, 2018)
      Rationale: The regulator of calcineurin 1 (RCAN1) inhibits CN (calcineurin), a Ca2+-activated protein phosphatase important in cardiac remodeling. In humans, RCAN1 is located on chromosome 21 in proximity to the Down ...