Browsing by Author "bacfd526-f297-43d8-b945-d3883096208a"

Now showing items 1-17 of 17

    • 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 ...
    • An integrated mechanism of cardiomyocyte nuclear Ca2+ signaling 
      Ibarra, Cristián; Vicencio Bustamante, José Miguel; Varas Godoy, Manuel; Jaimovich Pérez, Enrique; Rothermel, Beverly A.; Uhlén, Per; Hill, Joseph A.; Lavandero González, Sergio (Academic Press, 2014)
      © 2014 Elsevier Ltd. In cardiomyocytes, Ca2+ plays a central role in governing both contraction and signaling events that regulate gene expression. Current evidence indicates that discrimination between these two critical ...
    • 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 ...
    • 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 ...
    • Calcineurin signaling in the heart: The importance of time and place 
      Parra, Valentina; Rothermel, Beverly A. (Academic Press, 2017)
      © 2016 Elsevier LtdThe calcium-activated protein phosphatase, calcineurin, lies at the intersection of protein phosphorylation and calcium signaling cascades, where it provides an essential nodal point for coordination ...
    • Caveolin-1 impairs PKA-DRP1-mediated remodelling of ER–mitochondria communication during the early phase ... 
      Bravo Sagua, Roberto; Parra, Valentina; Ortiz-Sandoval, Carolina; Navarro Márquez, Mario F.; Rodríguez, Andrea E.; Díaz Valdivia, Natalia; Sanhueza, Carlos; López Crisosto, Camila; Tahbaz, Nasser; Rothermel, Beverly A.; Hill, Joseph A.; Cifuentes, Mariana; Simmen, Thoma (Nature Publishing Group, 2018)
      © 2018, ADMC Associazione Differenziamento e Morte Cellulare. Close contacts between endoplasmic reticulum and mitochondria enable reciprocal Ca2+ exchange, a key mechanism in the regulation of mitochondrial bioenergetics. ...
    • Correction to: Caveolin-1 impairs PKA-DRP1-mediated remodelling of ER–mitochondria communication during the ... 
      Bravo-Sagua, Roberto; Parra, Valentina; Ortiz-Sandoval, Carolina; Navarro-Marquez, Mario; Rodríguez, Andrea E.; Diaz-Valdivia, Natalia; Sanhueza, Carlos; Lopez-Crisosto, Camila; Tahbaz, Nasser; Rothermel, Beverly A.; Hill, Joseph A.; Cifuentes, Mariana; Simmen, Thoma (Nature Publishing Group, 2019)
      Following the publication of the article, the authors wrote to point out the following mistake: In the Acknowledgements section, the following is stated: postdoctoral fellowship 21100028 (RB-S), 21130200 (CL-C), 21110515 ...
    • 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 ...
    • ER-to-mitochondria miscommunication and metabolic diseases 
      López Crisosto, Camila; Bravo Sagua, Roberto; Rodríguez Peña, Marcelo; Mera, Claudia; Castro, Pablo F.; Quest, Andrew F. G.; Rothermel, Beverly A.; Cifuentes, Mariana; Lavandero González, Sergio (Elsevier, 2015)
      © 2015 Elsevier B.V.. Eukaryotic cells contain a variety of subcellular organelles, each of which performs unique tasks. Thus follows that in order to coordinate these different intracellular functions, a highly dynamic ...
    • FoxO1-Dio2 signaling axis governs cardiomyocyte thyroid hormone metabolism and hypertrophic growth 
      Ferdous, Anwarul; Wang, Zhao V.; Luo, Yuxuan; Li, Dan L.; Luo, Xiang; Schiattarella, Gabriele G.; Altamirano, Francisco; May, Herman I.; Battiprolu, Pavan K.; Nguyen, Annie; Rothermel, Beverly A.; Lavandero González, Sergio; Gillette, Thomas G.; Hill, Joseph A. (Nature, 2020)
      Forkhead box O (FoxO) proteins and thyroid hormone (TH) have well established roles in cardiovascular morphogenesis and remodeling. However, specific role(s) of individual FoxO family members in stress-induced growth and ...
    • Is mitochondrial dysfunction a common root of noncommunicable chronic diseases? 
      Díaz Vegas, Alexis; Sánchez Aguilera, Pablo; Krycer, James R; Morales, Pablo E.; Monsalves Álvarez, Matías; Cifuentes Koster, Mariana; Rothermel, Beverly A.; Lavandero González, Sergio (Endocrine Society, 2020)
      Mitochondrial damage is implicated as a major contributing factor for a number of noncommunicable chronic diseases such as cardiovascular diseases, cancer, obesity, and insulin resistance/type 2 diabetes. Here, we discuss ...
    • Metabolic stress - Induced activation of FoxO1 triggers diabetic cardiomyopathy in mice 
      Battiprolu, Pavan K.; Hojayev, Berdymammet; Jiang, Nan; Wang, Zhao V.; Luo, Xiang; Iglewski, Myriam; Shelton, John M.; Gerard, Robert D.; Rothermel, Beverly A.; Gillette, Thomas G.; Lavandero González, Sergio; Hill, Joseph A. (2012)
      The leading cause of death in diabetic patients is cardiovascular disease; diabetic cardiomyopathy is typified by alterations in cardiac morphology and function, independent of hypertension or coronary disease. However, ...
    • Mitochondria in structural and functional cardiac remodeling 
      Torrealba, Natalia; Aranguiz, Pablo; Alonso, Camila; Rothermel, Beverly A.; Lavandero González, Sergio (Springer New York LLC, 2017)
      © 2017, Springer International Publishing AG. The heart must function continuously as it is responsible for both supplying oxygen and nutrients throughout the entire body, as well as for the transport of waste products to ...
    • Mitochondrial fission and autophagy in the normal and diseased heart 
      Iglewski, Myriam; Hill, Joseph A.; Lavandero González, Sergio; Rothermel, Beverly A. (2010)
      Sustained hypertension promotes structural, functional and metabolic remodeling of cardiomyocyte mitochondria. As long-lived, postmitotic cells, cardiomyocytes turn over mitochondria continuously to compensate for changes ...
    • Mitochondrial fission is required for cardiomyocyte hypertrophy mediated by a Ca2+-calcineurin signaling pathway 
      Pennanen, Christian; Parra, Valentina; López Crisosto, Camila; Morales, Pablo E.; del Campo, Andrea; Gutierrez, Tomás; Rivera Mejías, Pablo; Kuzmicic, Jovan; Chiong Lay, Mario; Zorzano, Antonio; Rothermel, Beverly A.; Lavandero González, Sergio (Company of Biologists Ltd, 2014)
      Cardiomyocyte hypertrophy has been associated with diminished mitochondrial metabolism. Mitochondria are crucial organelles for the production of ATP, and their morphology and function are regulated by the dynamic processes ...
    • mTORC1 inhibitor rapamycin and ER stressor tunicamycin induce differential patterns of ER-mitochondria coupling 
      Bravo Sagua, Roberto; López Crisosto, Camila; Parra Ortíz, María Valentina; Rodríguez Peña, Marcelo; Rothermel, Beverly A.; Quest, Andrew F. G.; Lavandero González, Sergio (Nature, 2016)
      Efficient mitochondrial Ca2+ uptake takes place at contact points between the ER and mitochondria, and represents a key regulator of many cell functions. In a previous study with HeLa cells, we showed that ER-to-mitochondria ...
    • Protection of the myocardium against ischemia/reperfusion injury by angiotensin-(1–9) through an AT2R and ... 
      Mendoza Torres, Evelyn; Riquelme, Jaime A.; Vielma, Alejandra; Sagredo, Andrea Ramirez; Gabrielli, Luigi; Bravo Sagua, Roberto; Jalil Milad, Jorge; Rothermel, Beverly A.; Sánchez, Gina; Ocaranza, María Paz; Lavandero González, Sergio (Academic Press, 2018)
      © 2018 Elsevier Ltd Angiotensin-(19), a peptide of the non-classical renin angiotensin system, has been shown to prevent and revert hypertension and cardiac hypertrophy. We hypothetized that systemic delivery of angiotensin-(1–9) ...