Now showing items 1-20 of 39

    • Aldose reductase induced by hyperosmotic stress mediates cardiomyocyte apoptosis - Differential effects of sorbitol and mannitol 

      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 ...
    • 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
    • Autophagy and its impact on neurodegenerative diseases: new roles for TDP-43 and C9orf72 

      Budini, Mauricio; Buratti, Emanuele; Morselli, Eugenia; Criollo Céspedes, Alfredo (Frontiers, 2017-05-30)
      Autophagy is a catabolic mechanism where intracellular material is degraded by vesicular structures called autophagolysosomes. Autophagy is necessary to maintain the normal function of the central nervous system (CNS), ...
    • Autophagy and oxidative stress in non-communicable diseases: A matter of the inflammatory state? 

      Peña Oyarzún, Daniel; Bravo Sagua, Roberto; Díaz Vega, Alexis; Aleman, Larissa; Chiong Lay, Mario; Garcia, Lorena; Bambs, Claudia; Troncoso, Rodrigo; Cifuentes, Mariana; Morselli, Eugenia; Ferreccio, Catterina; Quest, Andrew F. G.; Criollo Céspedes, Alfredo; Lavandero González, Sergio (Elsevier Inc., 2018)
      © 2018 Elsevier Inc. Non-communicable diseases (NCDs), also known as chronic diseases, are long-lasting conditions that affect millions of people around the world. Different factors contribute to their genesis and progression; ...
    • Calcium and mitochondrial metabolism in ceramide-induced cardiomyocyte death 

      Parra, Valentina; Moraga, Francisco; Kuzmicic, Jovan; López Crisosto, Camila; Troncoso, Rodrigo; Torrealba, Natalia; Criollo Céspedes, Alfredo; Díaz Elizondo, Jessica; Rothermel, Beverly A.; Quest, Andrew F. G.; Lavandero González, Sergio (Elsevier, 2013)
      Ceramides are important intermediates in the biosynthesis and degradation of sphingolipids that regulatenumerous cellular processes, including cell cycle progression, cell growth, differentiation and death. In ...
    • 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 ...
    • Erratum to: Mitochondrial control of cell death induced by hyperosmotic stress 

      Criollo Céspedes, Alfredo; Galluzzi, Lorenzo; Chiara Maiuri, M.; Tasdemir, Ezgi; Lavandero González, Sergio; Kroemer, Guido (Springer Science+Business, 2013)
      Errors were inadvertently included in Fig. 6b of the article mentioned above. In particular, the immunoblots depicting the levels of Bcl-XL and Mcl-1, which were originally intended to constitute loading controls for ...
    • Erratum: Mitochondrial control of cell death induced by hyperosmotic stress (Apoptosis (2007) 12:3 DOI: 10.1007/s10495-006-0328-x) 

      Criollo Céspedes, Alfredo; Galluzzi, Lorenzo; Chiara Maiuri, M.; Tasdemir, Ezgi; Lavandero González, Sergio; Kroemer, Guido (2013)
    • Hyperosmotic stress activates p65/RelB NF kappa B in cultured cardiomyocytes with dichotomic actions on caspase activation and cell death 

      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 ...
    • Hyperosmotic stress activates p65/RelB NFκB in cultured cardiomyocytes with dichotomic actions on caspase activation and cell death 

      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 (2006)
      NFκB is a participant in the process whereby cells adapt to stress. We have evaluated the activation of NFκB pathway by hyperosmotic stress in cultured cardiomyocytes and its role in the activation of caspase and cell ...
    • Hyperosmotic stress stimulates autophagy via polycystin-2 

      Peña Oyarzún, Daniel; Troncoso Cotal, Rodrigo; Kretschmar, Catalina; Hernando, Cecilia; Budini, Mauricio; Morselli, Eugenia; Lavandero González, Sergio; Criollo Céspedes, Alfredo (Impact Journals, 2017)
      Various intracellular mechanisms are activated in response to stress, leading to adaptation or death. Autophagy, an intracellular process that promotes lysosomal degradation of proteins, is an adaptive response to several ...
    • Hyperosmotic stress-dependent NF kappa B activation is regulated by reactive oxygen species and IGF-1 in cultured cardiomyocytes 

      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 ...
    • Hyperosmotic stress-dependent NFκB activation is regulated by reactive oxygen species and IGF-1 in cultured cardiomyocytes 

      Eisner, Verónica; Criollo Céspedes, Alfredo; Quiroga, Clara; Olea Azar, Claudio; Santibañez, Juan Francisco; Troncoso, Rodrigo; Chiong Lay, Mario; Díaz Araya, Guillermo; Foncea, Rocío; Lavandero González, Sergio (2006)
      We have recently shown that hyperosmotic stress activates p65/RelB NFκB in cultured cardiomyocytes with dichotomic actions on caspase activation and cell death. It remains unexplored how NFκB is regulated in cultured rat ...
    • The IKK complex contributes to the induction of autophagy 

      Criollo Céspedes, Alfredo; Senovilla, Laura; Authier, Helene; Maiuri, M. C.; Morselli, E.; Vitale, I.; Kepp, O.; Tasdemir, E.; Galluzzi, Lorenzo; Shen, S.; Tailler, M.; Delahaye, N.; Tesniere, A.; De Stefano, D.; Ben Younes, Amena; Harper, F.; Pierron, G.; Lavandero González, Sergio; Zitvogel, L.; Israel, A; Baud, V; Kroemer, Guido (NATURE PUBLISHING GROUP, 2010-02-03)
      In response to stress, cells start transcriptional and transcription-independent programs that can lead to adaptation or death. Here, we show that multiple inducers of autophagy, including nutrient depletion, trigger the ...
    • IKK connects autophagy to major stress pathways 

      Criollo Céspedes, Alfredo; Senovilla, Laura; Authier, Hélène; Maiuri, Maria Chiara; Morselli, Eugenia; Vitale, Ilio; Kepp, Oliver; Tasdemir, Ezgi; Galluzzi, Lorenzo; Shen, Si; Tailler, Maximilien; Delahaye, Nicolas; Tesniere, Antoine; De Stefano, Daniela; Younes, Aména Ben; Harp (Taylor and Francis Inc., 2010)
      Cells respond to stress by activating cytoplasmic mechanisms as well as transcriptional programs that can lead to adaptation or death. Autophagy represents an important cytoprotective response that is regulated by both ...
    • Impact of estrogens and estrogen receptor-alpha in brain lipid metabolism 

      Morselli, Eugenia; Santos, Roberta de Souza; Gao, Su; Avalos, Yenniffer; Criollo Céspedes, Alfredo; Palmer, Biff F.; Clegg, Deborah J. (American Physiological Society, 2018-07)
      Estrogens and their receptors play key roles in regulating body weight, energy expenditure, and metabolic homeostasis. It is known that lack of estrogens promotes increased food intake and induces the expansion of adipose ...
    • Impact of estrogens and estrogen receptor-α in brain lipid metabolism 

      Morselli, Eugenia; de Souza Santos, Roberta; Gao, Su; Ávalos, Yenniffer; Criollo Céspedes, Alfredo; Palmer, Biff F.; Clegg, Deborah J. (American Physiological Society, 2018)
      © 2018 American Physiological Society. All rights reserved. Estrogens and their receptors play key roles in regulating body weight, energy expenditure, and metabolic homeostasis. It is known that lack of estrogens promotes ...
    • Inhibition of autophagy by TAB2 and TAB3 

      Criollo Céspedes, Alfredo; Niso-Santano, Mireia; Malik, Shoaib Ahmad; Michaud, Mickael; Morselli, Eugenia; Mariño, Guillermo; Lachkar, Sylvie; Arkhipenko, Alexander V.; Harper, Francis; Pierron, Gérard; Rain, Jean Christophe; Ninomiya-Tsuji, Jun; Fuentes, José M.; Lavandero González, Sergio (2011)
      Autophagic responses are coupled to the activation of the inhibitor of NF-κB kinase (IKK). Here, we report that the essential autophagy mediator Beclin 1 and TGFβ-activated kinase 1 (TAK1)-binding proteins 2 and 3 (TAB2 ...
    • The inositol 1,4,5-trisphosphate receptor regulates autophagy through its interaction with Beclin 1 

      Vicencio, José Miguel; Ortíz, C.; Criollo Céspedes, Alfredo; Jones, A. W. E.; Kepp, O.; Galluzzi, Lorenzo; Joza, N.; Vitale, I.; Morselli, E.; Tailler, M.; Castedo, M.; Maiuri, M. C.; Molgó, Jordi; Szabadkai, G.; Lavandero González, Sergio; Kroemer, Guido (NATURE PUBLISHING GROUP, 2009-07)
      The inositol 1,4,5-trisphosphate receptor (IP3R) is a major regulator of apoptotic signaling. Through interactions with members of the Bcl-2 family of proteins, it drives calcium (Ca2+) transients from the endoplasmic ...
    • The inositol trisphosphate receptor in the control of autophagy 

      Criollo Céspedes, Alfredo; Vicencio, José Miguel; Tasdemir, E.; Maiuri, M. C.; Lavandero González, Sergio; Kroemer, Guido (LANDES BIOSCIENCE, 2007-07)
      The second messenger myo-inositol-1,4,5-trisphosphate (IP3) acts on the IP3 receptor (IP3R), an IP3-activated Ca2+ channel of the endoplasmic reticulum (ER). The IP3R agonist IP3 inhibits starvation-induced autophagy. The ...