Browsing by Author "f3726e28-e8ba-494d-bf27-4a035ef56333"

Now showing items 1-20 of 35

    • 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. ...
    • 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 ...
    • Angiotensin-(1-7) prevents lipopolysaccharide-induced autophagy via the mas receptor in skeletal muscle 
      Rivera, Juan Carlos; Abrigo, Johanna; Tacchi, Franco; Simón, Felipe; Brandan, Enrique; Santos, Robson A.; Bader, Michael; Chiong Lay, Mario; Cabello Verrugio, Claudio (MDPI, 2020)
      Skeletal muscle atrophy, which occurs in lipopolysaccharide (LPS)-induced sepsis, causes a severe muscle function reduction. The increased autophagy contributes to sepsis-induced skeletal muscle atrophy in a model of LPS ...
    • Angiotensin-(1-9) prevents vascular remodeling by decreasing vascular smooth muscle cell dedifferentiation ... 
      Norambuena Soto, Ignacio; Ocaranza, María Paz; Cancino Arenas, Nicole; Sanhueza Olivares, Fernanda; Villar Fincheira, Paulina; Leiva Navarrete, Sebastián; Mancilla Medina, Cristian; Moya, Jacqueline; Novoa, Ulises; Jalil, Jorge E.; Castro, Pablo F.; Lavandero González, Sergio; Chiong Lay, Mario (Pergamon-Elsevier Science, 2020)
      The renin-angiotensin system, one of the main regulators of vascular function, controls vasoconstriction, inflammation and vascular remodeling. Antagonistic actions of the counter-regulatory renin-angiotensin system, which ...
    • 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:: ...
    • 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; García Nannig, 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; ...
    • Basal autophagy protects cardiomyocytes from doxorubicin-induced toxicity 
      Pizarro, Marcela; Troncoso Cotal, Rodrigo; Martínez, Gonzalo J.; Chiong Lay, Mario; Castro, Pablo F.; Lavandero González, Sergio (Elsevier, 2016)
      Doxorubicin (Doxo) is one of the most effective anti-neoplastic agents but its cardiotoxicity has been an important clinical limitation. The major mechanism of Doxo-induced cardiotoxicity is associated to its oxidative ...
    • beta -Hydroxybutyrate increases exercise capacity associated with changes in mitochondrial function in ... 
      Monsalves Álvarez, Matías; Morales Campos, Pablo; Castro Sepúlveda, Mauricio; Sepúlveda Guzmán, Carlos; Rodríguez Silva, Juan Manuel; Chiong Lay, Mario; Eisner, Verónica; Lavandero González, Sergio; Troncoso Cotal, Rodrigo (MDPI, 2020)
      beta-hydroxybutyrate is the main ketone body generated by the liver under starvation. Under these conditions, it can sustain ATP levels by its oxidation in mitochondria. As mitochondria can modify its shape and function ...
    • 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 ...
    • Effects of carvedilol on functional capacity, left ventricular function, catecholamines and oxidative stress ... 
      Castro, Pablo; Pérez, Osvaldo; Greig, Douglas; Díaz Araya, Guillermo; Moraga, Francisco; Chiong Lay, Mario; Troncoso, Rodrigo; Padilla, Ivonne; Vukasovic, Jose L.; Corbalán, Ramón; Lavandero González, Sergio (Ediciones Doyma, S.L., 2004)
      Introduction and objective. Carvedilol is an antioxidant and adrenergic antagonist with demonstrated benefits in terms of mortality from heart failure (HF). The aim of the present study was to evaluate clinical parameters, ...
    • GLP-1 promotes mitochondrial metabolism in vascular smooth muscle cells by enhancing endoplasmic ... 
      Morales, Pablo E.; Torres, Gloria; Sotomayor Flores, Cristian Alejandro; Peña Oyarzún, Daniel; Rivera Mejías, Pablo; Paredes, Felipe; Chiong Lay, Mario (Academic Press Inc., 2014)
      Incretin GLP-1 has important metabolic effects on several tissues, mainly through the regulation of glucose uptake and usage. One mechanism for increasing cell metabolism is modulating endoplasmic reticulum (ER)-mitochondria ...
    • Glucose deprivation causes oxidative stress and stimulates aggresome formation and autophagy in cultured ... 
      Marambio, Paola; Toro, Barbra; Sanhueza, Carlos; Troncoso, Rodrigo; Parra, Valentina; Verdejo, Hugo; García Nannig, Lorena; Quiroga, Clara; Munafo, Daniela; Díaz Elizondo, Jessica; Bravo Sagua, Roberto; González Burgos, María Julieta; Díaz Araya, Guillermo; Pedrozo Cibils, Zully; Chiong Lay, Mario; Co (2010)
      Aggresomes are dynamic structures formed when the ubiquitin-proteasome system is overwhelmed with aggregation-prone proteins. In this process, small protein aggregates are actively transported towards the microtubule-organizing ...
    • Guidelines for the use and interpretation of assays for monitoring autophagy (3rd edition) 
      Klionsky, Daniel J.; Troncoso Cotal, Rodrigo; Chiong Lay, Mario; Díaz Araya, Guillermo; Glavic Maurer, Álvaro; Corbalán, Ramón; Matus, Soledad; Segura Aguilar, Juan; Hetz Flores, Claudio (Taylor & Francis inc., 2016)
    • Herpud1 negatively regulates pathological cardiac hypertrophy by inducing IP3 receptor degradation 
      Torrealba, Natalia; Navarro Márquez, Mario F.; Vega Garrido, Valeria; Pedrozo Cibils, Zully; Romero, Diego; Eura, Yuka; Villalobos, Elisa; Carlos Roa, Juan; Chiong Lay, Mario; Kokame, Koichi; Lavandero González, Sergio (Nature Publishing Group, 2017)
      Cardiac hypertrophy is an adaptive response triggered by pathological stimuli. Regulation of the synthesis and the degradation of the Ca2+ channel inositol 1,4,5-trisphosphate receptor (IP3R) affects progression to cardiac ...
    • Hyperosmotic stress activates p65/RelB NFκB in cultured cardiomyocytes with dichotomic actions on caspase ... 
      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-dependent NFκB activation is regulated by reactive oxygen species and IGF-1 in cultured ... 
      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 ...
    • Inhibition of mitochondrial fission prevents hypoxia-induced metabolic shift and cellular proliferation of ... 
      Parra Ortíz, María Valentina; Bravo Sagua, Roberto; Norambuena Soto, Ignacio; Hernández Fuentes, Carolina; Gómez Contreras, Andrés; Verdejo, Hugo E.; Mellado, Rosemarie; Chiong Lay, Mario; Lavandero González, Sergio; Castro, Pablo F. (Elsevier, 2017)
      Chronic hypoxia exacerbates proliferation of pulmonary arterial smooth muscle cells (PASMC), thereby reducing the lumen of pulmonary arteries. This leads to poor blood oxygenation and cardiac work overload, which are the ...
    • Insulin-like growth factor-1 induces an inositol 1,4,5-trisphosphate-dependent increase in nuclear and ... 
      Ibarra, Cristián; Estrada Hormazábal, Manuel; Carrasco Mujica, Loreto; Chiong Lay, Mario; Liberona Leppe, José; Cárdenas, César; Díaz Araya, Guillermo; Jaimovich Pérez, Enrique; Lavandero González, Sergio (Amer Biochemistry Molecular Biology, 2004-02-27)
      In the heart, insulin-like growth factor-1 (IGF-1) is a pro-hypertrophic and anti-apoptotic peptide. In cultured rat cardiomyocytes, IGF-1 induced a fast and transient increase in Ca-i(2+) levels apparent both in the nucleus ...