Now showing items 1-20 of 74

    • A polyphenol-rich Calafate (Berberis microphylla) extract rescues glucose tolerance in mice fed with cafeteria diet 

      Soto Covasich, J.; Reyes Farías, Marjorie; Torres, R. F.; Vásquez, Karla; Duarte Silva, Lissette; Quezada, J.; Jiménez Patiño, Paula; Pino, M. T.; García Nannig, Lorena; Mercado, L.; García Díaz, Diego (Elsevier, 2020)
      The establishment of a chronic inflammatory state in the adipose tissue contributes to obesity-associated insulin resistance. Hence, disrupting the inflammatory response elicited by obesity remains a relevant target to ...
    • Angiotensin II-regulated autophagy is required for vascular smooth muscle cell hypertrophy 

      Mondaca Ruff, David; Riquelme, Jaime A.; Quiroga, Clara; Norambuena Soto, Ignacio; Sanhueza Olivares, Fernanda; Villar-Fincheira, Paulina; Hernández-Díaz, Tomás; Cancino Arenas, Nicole; San Martin, Alejandra; García Nannig, Lorena; Lavandero González, Sergio; Chiong Lay, Mario (Frontiers Media S.A., 2019)
      Copyright © 2019 Mondaca-Ruff, Riquelme, Quiroga, Norambuena-Soto, Sanhueza-Olivares, Villar-Fincheira, Hernández-Díaz, Cancino-Arenas, San Martin, García, Lavandero and Chiong.Hypertension is a disease associated to ...
    • 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) reverses experimental hypertension and cardiovascular damage by inhibition of the angiotensin converting enzyme/Ang II axis 

      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:: ...
    • Angiotensin-(1–9) prevents cardiomyocyte hypertrophy by controlling mitochondrial dynamics via miR-129-3p/PKIA pathway 

      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 ...
    • ATP-diphosphohydrolase activity in rat renal microvillar membranes and vascular tissue 

      Sandoval, S.; García Nannig, Lorena; Mancilla, Marta; Kettlun, Ana María; Collados, L. E.; Chayet, L.; Alvarez, A.; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (PERGAMON-ELSEVIER SCIENCE LTD, 1996-05)
      Ecto-nucleotidases may have a role in the regulation of purinoceptor-mediated responses. ATP-diphosphohydrolase or apyrase has been described as an ecto-nucleotidase, which is characterized by a low specificity for its ...
    • ATP-diphosphophydrolase activin in rat heart tissue 

      Espinosa, Victoria; Galleguillos, M.; Mancilla, Marta; Garrido, J.; Kettlun, Ana María; Collados, L. E.; Chayet, L.; García Nannig, Lorena; Traverso Cori, A.; Valenzuela Pedevila, María Antonieta (ACADEMIC PRESS AUST, 1996-08)
      Extracellular nucleotides interact with specific receptors on the cell surface and are locally metabolized by ecto-nucleotidases. Biochemical characterization of the ATPase and ADPase activities detected in rat heart ...
    • ATPase and ADPase activities in synovial membrane of equine metacarpophalangeal joint 

      Jiménez, Paula; García Nannig, Lorena; Adarmes, H.; González, E.; Valenzuela, M. A. (2002)
      ATPase and ADPase activities capable of hydrolyzing nucleoside di- and triphosphates in the presence of Ca2+ are present in synovial membrane of metacarpophalangeal joint mainly associated to membrane fractions. These ...
    • Atrial Function Assessed by Speckle Tracking Echocardiography Is a Good Predictor of Postoperative Atrial Fibrillation in Elderly Patients 

      Verdejo, Hugo E.; Becerra, Elia; Zalaquett Sepúlveda, Ricardo; Campo, Andrea del; García Nannig, Lorena; Troncoso Cotal, Rodrigo; Chiong Lay, Mario; Marín, Arnaldo; Castro, Pablo F.; Lavandero González, Sergio; Gabrielli, Luigi A.; Corbalán, Ramón (Wiley & Sons, 2016)
      ObjectiveAdvanced age is an independent predictor of postoperative atrial fibrillation (POAF) in patients undergoing coronary artery bypass surgery. We evaluated whether left atrial (LA) dysfunction assessed by strain ...
    • 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; ...
    • Cardiac fibroblast cytokine profiles induced by proinflammatory or profibrotic stimuli promote monocyte recruitment and modulate macrophage M1/M2 balance in vitro 

      Humeres, Claudio; Vivar, Raúl; Boza Fuentes, Pía; Muñoz, Claudia; Bolivar, Samir; Anfossi, Renatto; Osorio, Jose Miguel; Olivares Silva, Francisco Javier; García Nannig, Lorena; Díaz Araya, Guillermo (Academic Press, 2016)
      © 2016 Elsevier Ltd Macrophage polarization plays an essential role in cardiac remodeling after injury, evolving from an initial accumulation of proinflammatory M1 macrophages to a greater balance of anti-inflammatory M2 ...
    • Characterization of ATP-diphosphohydrolase from rat mammary gland 

      Alvarez, A.; Chayet, L.; Galleguillos, M.; García Nannig, Lorena; Kettlun, Ana María; Collados, L. E.; Traverso Cori, A.; Mancilla, M.; Valenzuela Pedevila, María Antonieta (PERGAMON-ELSEVIER SCIENCE LTD, 1996-01)
      ATP-diphosphohydrolase (or apyrase) hydrolyses nucleoside di- and triphosphates in the presence of millimolar concentration of divalent cations. It is insensitive towards sulfhydryl and aliphatic hydroxyl-selective reagents ...
    • Comparative study of CSF neurofilaments in HTLV-1-associated myelopathy/tropical spastic paraparesis and other neurological disorders 

      Alberti, Carolina; Gonzalez, Juan; Maldonado, Horacio; Medina, Fernando; Barriga, Andrés; García Nannig, Lorena; Kettlun, Ana; Collados, Lucía; Puente, Javier; Cartier Rovirosa, Luis; Valenzuela, Maria (2009)
      HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a progressive CNS disease leading to corticospinal tract degeneration. Various degenerative diseases have increased neurofilament subunit concentration ...
    • Comparison of the biochemical properties, regulation and function of ATP-diphosphohydrolase from human placenta and rat kidney 

      Valenzuela Pedevila, María Antonieta; Kettlun, Ana María; Sandoval, S.; García Nannig, Lorena; Mancilla, Marta; Neckelmann, G.; Chayet, L.; Alvarez, A.; Cuevas, F.; Collados, L. E.; Espinosa, Victoria; Traverso Cori, A.; Bravo, I.; Acevedo, C. G.; Aranda, E. (ASSOC BRAS DIVULG CIENTIFICA, 1996-05)
      ATP-diphosphohydrolase (apyrase, EC 3.6.1.5) has both ATPase and ADPase activity that are stimulated by bivalent metals, with Ca2+ being the most effective. The possible physiological function of this enzyme, associated ...
    • Cortisol/cortisone ratio and matrix metalloproteinase-9 activity are associated with pediatric primary hypertension 

      Martínez Aguayo, Alejandro; Campino, Carmen; Baudrand, René; Carvajal, Cristian; Garcia, Hernán; Aglony, Marlene; Bancalari, Rodrigo; García Nannig, Lorena; Loureiro, Carolina; Vecchiola, Andrea; Tapia Castillo, Alejandra; Valdivia, Carolina; Sanhueza, Sebastián; Fuentes, Cristóbal; Lagos, Carlos F.; Solari, Sandra; Allende, Fidel; Kalergis, Alexis; Fardella, Carlos E. (Lippincott Williams & Wilkins, 2016)
      Objective: To identify novel biomarkers associated with pediatric primary hypertension. Methods: We recruited 350 participants (4-16 years). Anthropometric parameters and aldosterone, plasma renin activity, cortisol, ...
    • 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 non-canonical axis of the renin-angiotensin system (RAS) has an important role in cardiovascular physiology and disease. In this Review, Ocaranza and colleagues discuss the interplay between components of the ...
    • Dexmedetomidine preconditioning activates pro-survival kinases and attenuates regional ischemia/reperfusion injury in rat heart 

      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 ...
    • Effects of Trimetazidine in Nonischemic Heart Failure: A Randomized Study 

      Winter, José Luis; Castro, Pablo F.; Quintana, Juan Carlos; Altamirano, Rodrigo; Enriquez, Andrés; Verdejo, Hugo E.; Jalil Milad, Jorge; Mellado, Rose Marie; Concepción, Roberto; Sepúlveda, Pablo; Rossel Mariangel, Víctor Alejandro; Sepúlveda Morales, Luis; Chiong Lay, Mario; García Nannig, Lorena; Lavandero González, Sergio (Elsevier, 2014)
      Objectives: Heart failure (HF) is associated with changes in myocardial metabolism that lead to impairment of contractile function. Trimetazidine (TMZ) modulates cardiac energetic efficiency and improves outcomes in ...
    • EPAC expression and function in cardiac fibroblasts and myofibroblasts 

      Olmedo, Ivonne; Muñoz, Claudia; Guzmán, Nancy; Catalán, Mabel; Vivar, Raúl; Ayala, Pedro; Humeres Martínez, Claudio; Aránguiz, Pablo; García Nannig, Lorena; Velarde, Victoria; Díaz Araya, Guillermo (Elsevier, 2013)
      In the heart, cardiac fibroblasts (CF) and cardiac myofibroblasts (CMF) are the main cells responsible for wound healing after cardiac insult. Exchange protein activated by cAMP (EPAC) is a downstream effector of cAMP, ...
    • Expression and function of toll-like receptor 4 and inflammasomes in cardiac fibroblasts and myofibroblasts: IL-1 beta synthesis, secretion, and degradation 

      Boza Fuentes, Pía; Ayala, Pedro; Vivar Sánchez, Raúl; Humeres Martínez, Claudio; Tapia Cáceres, Felipe; Muñoz, Claudia; García Nannig, Lorena; Hermoso Ramello, Marcela; Díaz Araya, Guillermo (Elsevier, 2016)
      Cardiac inflammation can be produced by pathogen-associated molecular patterns (PAMPs), from parasitic, bacterial or viral origin; or by danger-associated molecular patterns (DAMPs), released from dead cells after cardiac ...