Now showing items 41-60 of 123

    • Quiroga, Clara; Gatica, Damián; Paredes, Felipe; Bravo, Roberto; Troncoso, Rodrigo; Pedrozo Cibils, Zully; Rodríguez, Andrea E.; Toro, Barbra; Chiong Lay, Mario; Vicencio Bustamante, José Manuel; Hetz Flores, Claudio; Lavandero González, Sergio (Elsevier, 2013)
      Herp is an endoplasmic reticulum (ER) stress inducible protein that participates in the ER-associated protein degradation (ERAD) pathway. However, the contribution of Herp to other protein degradation pathways like autophagy ...
    • Paredes, Felipe; Parra, Valentina; Torrealba, Natalia; Navarro Márquez, Mario F.; Gatica, Damián; Bravo Sagua, Roberto; Troncoso, Rodrigo; Pennanen, Christian; Quiroga, Clara; Chiong Lay, Mario; Caesar, Christa; Taylor, W. Robert; Molgó, Jordi; San Martín, Alejandra; Jaimovich Pérez, Enrique; Lavandero González, Sergio (Elsevier, 2016)
      Homocysteine-inducible, endoplasmic reticulum (ER) stress-inducible, ubiquitin-like domain member 1 (HERPUD1), an ER resident protein, is upregulated in response to ER stress and Ca2(+) homeostasis deregulation. HERPUD1 ...
    • Navarro Márquez, Mario F.; Torrealba, Natalia; Troncoso, Rodrigo; Vásquez Trincado, César; Rodríguez, Marcelo; Morales, Pablo E.; Villalobos, Elisa; Eura, Yuka; García Nannig, Lorena; Chiong Lay, Mario; Klip, Amira; Jaimovich Pérez, Enrique; Kokame, Koichi; Lavandero González, Sergio (Elsevier, 2018)
      Skeletal muscle plays a central role in insulin-controlled glucose homeostasis. The molecular mechanisms related to insulin resistance in this tissue are incompletely understood. Herpud1 is an endoplasmic reticulum membrane ...
    • Kettlun, Ana María; Alvarez, A.; Quintar, R.; Valenzuela Pedevila, María Antonieta; Collados, L. E.; Aranda, E.; Banda, A.; Chayet, L.; Chiong Lay, Mario; Mancilla, Marta; Traverso Cori, A. (PERGAMON-ELSEVIER SCIENCE LTD, 1994-03)
      1. Kinetic and physico-chemical studies on human placental microsomal fraction confirmed that the ATPase and ADPase activities detected in this fraction correspond to the enzyme ATP-diphosphohydrolase or apyrase (EC 3.6.1.5). ...
    • Eisner, Verónica; Quiroga, Clara; Criollo Céspedes, Alfredo; Eltit Ortega, José Miguel; Chiong Lay, Mario; Parra, Valentina; Hidalgo, Karla; Toro, Barbra; Díaz Araya, Guillermo; Lavandero González, Sergio (ELSEVIER, 2006-06-12)
      NF kappa B is a participant in the process whereby cells adapt to stress. We have evaluated the activation of NF kappa B pathway by hyperosmotic stress in cultured cardiomyocytes and its role in the activation of caspase ...
    • Eisner, Verónica; Criollo Céspedes, Alfredo; Quiroga, Clara; Olea Azar, Claudio; Santibáñez, Juan Francisco; Troncoso, Rodrigo; Chiong Lay, Mario; Díaz Araya, Guillermo; Foncea, Rocío; Lavandero González, Sergio (ELSEVIER, 2006-08-07)
      We have recently shown that hyperosmotic stress activates p65/RelB NF kappa B in cultured cardiomyocytes with dichotomic actions on caspase activation and cell death. It remains unexplored how NFKB is regulated in cultured ...
    • Maldonado, Carola; Cea, Paola; Adasme, Tatiana; Collao, Andrés; Díaz Araya, Guillermo; Chiong Lay, Mario; Lavandero González, Sergio (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2005-11-04)
      Hyperosmotic stress stimulates a rapid and pronounced apoptosis in cardiac myocytes which is attenuated by insulin-like growth factor-1 (IGF-1). Because in these cells IGF-1 induces intracellular Ca2+ increase, we assessed ...
    • Contreras Ferrat, Ariel Eduardo; Aránguiz Urroz, Pablo Daniel; Díaz Elizondo, Jessica; Chiong Lay, Mario; Muñoz, Juan Pablo; Parra Ortíz, María Valentina; Ibarra, Cristián; Rojas Rivera, Diego; Troncoso Cotal, Rodrigo; Eisner, Verónica; Salas, Daniela; Rodríguez Villarroel, Andrea Elizabeth; Carrasco Alarcón, Loreto del Pilar; Díaz Araya, Guillermo; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2006)
      El factor de crecimiento análogo a insulina tipo 1 (IGF-1) es un péptido relacionado estructural y funcionalmente con insulina que posee efectos mitogénicos y citoprotectores. Sus efectos biológicos dependen de la activación ...
    • Gabrielli, Luigi; Herrera, Sebastián; Contreras Briceño, Felipe; Vega, Julián; Ocaranza, María Paz; Yáñez, Fernando; Fernández, Rodrigo; Saavedra, Rodrigo; Sitges, Marta; García Nannig, Lorena; Chiong Lay, Mario; Lavandero González, Sergio; Castro, Pablo F. (Springer Verlag, 2018)
      © 2018, Springer-Verlag GmbH Germany, part of Springer Nature. Purpose: Left atrial (LA) contraction is essential for left ventricular (LV) filling during exertion. We sought to evaluate the relationship of LA contraction ...
    • Campo, Andrea del; Roldán, Juan; Verdejo, Hugo E.; Zalaquett Sepúlveda, Ricardo; Becerra, Elia; Navarro Márquez, Mario; Mellado, Rosemarie; Lavandero González, Sergio; Corbalán, Ramón; García Nannig, Lorena; Chiong Lay, Mario (Elsevier, 2017)
      Background: Increased inflammation biomarkers plasma levels, including C-reactive protein (CRP), have been associated with the initiation and perpetuation of atrial fibrillation (AF). However, it is not known whether an ...
    • Bravo Méndez, Roberto; Vicencio Bustamante, José Miguel; Parra Ortíz, María Valentina; Troncoso, Rodrigo; Muñoz, Juan Pablo; Bui, Michael; Quiroga Lagos, Clara; Rodríguez Villarroel, Andrea Elizabeth; Verdejo, Hugo E.; Ferreira Parker, Jorge; Iglewski, Miriam; Chiong Lay, Mario; Simmen, Thomas; Zorzano, Antonio; Hill, Joseph A.; Rothermel, B. A.; Szabadkai, Gyorgy; Lavandero González, Sergio (COMPANY OF BIOLOGISTS LTD., 2011-07-15)
      Increasing evidence indicates that endoplasmic reticulum (ER) stress activates the adaptive unfolded protein response (UPR), but that beyond a certain degree of ER damage, this response triggers apoptotic pathways. The ...
    • Bravo Méndez, Roberto; Vicencio Bustamante, José Miguel; Parra Ortíz, María Valentina; Troncoso Cotal, Rodrigo; Muñoz, Juan Pablo; Bui, Michael; Quiroga Lagos, Clara; Rodríguez Villarroel, Andrea Elizabeth; Verdejo, Hugo; Ferreira Parker, Jorge; Iglewski, Miriam; Chiong Lay, Mario; Simmen, Thomas; Zorzano, Antonio; Hill, Joseph A.; Rothermel, B. A.; Szabadkai, G.; Lavandero González, Sergio (COMPANY OF BIOLOGISTS LTD, 2011-07-15)
    • Greig, Douglas; Castro, Pablo; Gabrielli, Luigi A.; Miranda, Rodrigo; Verdejo, Hugo; Alcaíno Gálvez, Hernán Alejandro; Bustos, Carlos; Chiong Lay, Mario; Godoy, Iván; Mellado, Rose Marie; García Nannig, Lorena; Salas, Daniela; Vivar Sánchez, Raúl; Vukasovic Ramírez, José Luis; Concepción, Roberto; Díaz Araya, Guillermo (SOC MEDICA SANTIAGO, 2008-06)
      Background: In chronic heart failure (CHF), endothelial dysfunction (ED) is a consequence of an imbalance of vascular tone regulating substances. The relationship between ED and inflammation has not been fully investigated. ...
    • Bittner, Alex; Castro Gálvez, Pablo; Pérez, Osvaldo; Corbalán, Ramón; Troncoso Cotal, Rodrigo Hernán; Chiong Lay, Mario; Díaz Araya, Guillermo; Vicencio Bustamante, José Miguel; Moraga, Francisco; Zanolli, Diego; Winter, José L.; Zambrano, Juan J.; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2005)
      Hemos descrito un incremento en el estrés oxidativo (EO) en pacientes con síndrome coronario agudo (SCA), relacionado con el fenómeno de isquemia-reperfusión. La inflamación es otra potencial fuente de especies reactivas ...
    • Greig, Douglas; Castro, Pablo; Gabrielli, Luigi; Miranda, Rodrigo; Verdejo, Hugo; Alcaíno Gálvez, Hernán Alejandro; Bustos, Carlos; Chiong Lay, Mario; Godoy, Iván; Mellado, Rosemarie; García Nannig, Lorena; Salas, Daniela; Vivar, Raúl; Vukasovic, José Luis; Concepción, Roberto; Díaz Araya, Guillermo (2008)
      Background: In chronic heart failure (CHF), endothelial dysfunction (ED) is a consequence of an imbalance of vascular tone regulating substances. The relationship between ED and inflammation has not been fully investigated. ...
    • Chiong Lay, Mario; Morales, Pablo Esteban; Torres, Gloria; Gutiérrez, Tómas; García Nannig, Lorena; Ibacache, Mauricio; Michea Acevedo, Luis (Hans Huber, 2013)
      Diff erentiation of vascular smooth muscle cells (VSMC) is an essential process of vascular development. VSMC have biosynthetic, proliferative, and contractile roles in the vessel wall. Alterations in the diff erentiated ...
    • Maldonado, Horacio; Ramírez, Eugenio; Utreras Puratich, Elías; Pando, María E.; Kettlun, Ana M.; Chiong Lay, Mario; Kulkarni, Ashok B.; Collados, Lucía; Puente, Javier; Cartier Rovirosa, Luis; Valenzuela, María A. (2011)
      Human T-cell leukemia virus type I (HTLV-I)-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a neurodegenerative disease characterized by selective loss of axons and myelin in the corticospinal tracts. This ...
    • Contreras Ferrat, Ariel Eduardo; Toro, Barbra; Bravo, R.; Parra Ortíz, María Valentina; Vásquez, C.; Ibarra, Cristián; Mears, David; Chiong Lay, Mario; Jaimovich Pérez, Enrique; Klip, Amira; Lavandero González, Sergio (ENDOCRINE SOC, 2010-10)
      Intracellular calcium levels ([Ca2+](i)) and glucose uptake are central to cardiomyocyte physiology, yet connections between them have not been studied. We investigated whether insulin regulates [Ca2+](i) in cultured ...
    • Parra, Valentina; Verdejo, Hugo E.; Iglewski, Myriam; Del Campo, Andrea; Troncoso, Rodrigo; Jones, Deborah; Zhu, Yi; Kuzmicic Previtali, Jovan Paolo; Pennanen, Christian; López Crisosto, Camila; Jaña, Fabián; Ferreira, Jorge; Noguera, Eduard; Chiong Lay, Mario; Bernlohr, David A.; Klip, Amira (2014)
      Insulin regulates heart metabolism through the regulation of insulin-stimulated glucose uptake. Studies have indicated that insulin can also regulate mitochondrial function. Relevant to this idea, mitochondrial function ...
    • Moraga, Francisco; Troncoso, Rodrigo; Mellado, Rose Marie; Díaz Araya, Guillermo; Vukasovic Ramírez, José Luis; Greig, Douglas; Pérez, Osvaldo; García Nannig, Lorena; Roldán, Juan; Ocaranza, María Paz; Jalil Milad, Jorge; Chiong Lay, Mario; Castro, Pablo (SOC MEDICA SANTIAGO, 2008-11)
      Background: beta adrenergic receptors (AR) are highly polymorphic and important regulators of cardiovascular homeostatis. Among these, beta(1) and beta(2) AR regulate cardiac contractility and frequency and are important ...