Browsing by Issue Date Artículos de revistas

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    • Autofagia del cardiomiocito: ¿Un nuevo mecanismo de adaptación al estrés o de muerte celular? 
      Aránguiz Urroz, Pablo Daniel; Contreras Ferrat, Ariel Eduardo; Rojas Rivera, Diego; Troncoso Cotal, Rodrigo Hernán; Marambio Morales, Paola Angélica; Toro, Bárbara; Sanhueza Muñoz, Carlos Joaquín; Pennanen Saavedra, Christian; Díaz Elizondo, Jessica; Parra Ortíz, María Valentina; Chiong Lay, Mario; Díaz Araya, Guillermo; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2006)
      Históricamente, la apoptosis y la necrosis han sido consideradas como las dos formas fundamentales de muerte celular. Sin embargo, evidencias recientes sugieren que la muerte celular programada no está confinada sólo a ...
    • La actividad de metaloproteinasa-9 se asocia al estrés oxidativo en el síndrome coronario agudo 
      Bittner, Alex; Castro Gálvez, Pablo; Pérez, Osvaldo; Corbalán, Ramón; Alcaíno Olivares, Hernán Alejandro; Troncoso Cotal, Rodrigo Hernán; Chiong Lay, Mario; Díaz Araya, Guillermo; Vicencio, José Miguel; Moraga, Francisco; Zanolli, Diego; Winter, José L.; Zamorano, Juan J.; Lavandero González, Sergio (Sociedad Chilena de Cardiología y Cirugía Cardiovascular, 2006)
      La metaloproteinasa (MMPs) son enzimas proteolíticas que participan en la inestabilidad de la placa aterosclerótica. En cultivos celulares, la actividad de metaloproteinasas-2 y 9 (MMP-2 y MMP-9) aumenta en presencia de ...
    • Synthesis, characterization and in vitro antifungal elevation of novel benzimidazo [1,2-c]quinazolines 
      Insuasty, B.; Torres, H.; Quiroga, J.; Abonia, R.; Rodríguez, R.; Nogueras, M.; López Sánchez, A.; Saitz Barría, Claudio; Alvarez, S. L.; Zacchino, Susana (Sociedad Chilena de Química, 2006)
      The synthesis of a series of new benzimidazo [1,2-c]quinazolines starting from 2-nitrobenzaldehyde and o-phenylendiamine is decsribe. The structure elucidation of the products is based on detailed NMR analysis of experiments ...
    • Two new hybrid organic/inorganic copper(II)-oxovanadate(V) diphosphonates: [Cu2(phen)2(O3PCH2PO 3)(V2O5)(H2O)]·H ... 
      Ushak, Svetlana; Spodine Spiridonova, Evgenia; Le Fur, Eric; Venegas Yazigi, Diego; Pivan, Jean Yves; Schnelle, Walter; Cardoso-Gil, Raul; Kniep, Rüdiger (2006)
      Full title: Two new hybrid organic/inorganic copper(II)-oxovanadate(V) diphosphonates: [Cu2(phen)2(O3PCH2PO 3)(V2O5)(H2O)]·H 2O and [Cu2(phen)2(O3P(CH 2)3PO3)(V2O5)] ·C3H8. Synthesis, structure, and magnetic properties. ...
    • 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 ...
    • Study of the reineta protein modifications (Brama australis), put under freezing and storage to -18°C and -30°C 
      Abugoch James, Lilian; Quitral, Vilma; Larraín, María Angélica; Vinagre, Julia; Kriukov, Andrei; Chávez, Gloria (2006)
      The objective of the present work was to study functional and thermal properties of reineta (Brama australis) frozen meat, analysed by water retention capacity (WRC), gel forming capacity (GFC), texture, emulsifying capacity ...
    • Complete assignments 1H and13C NMR spectral data of four anabaseine derivatives 
      Sobarzo Sánchez, Eduardo; De la Fuente, Julio; Quezada, Elias; Castedo, Luis (2006)
      The anabaseine derivatives 6-methoxy-7-hydroxy-1-(pyridin-3-yl)-3,4- dihydroisoquinoline, 6,7-dimethoxy-1-(pyridin-3-yl)-1,2,3,4- tetrahydroisoqumoline and 6,7-dimethoxy-1-(piperidin-3-yl)-1,2,3,4- tetrahydroisoquinoline ...
    • Poly(acrylonitrile)-molybdenum disulfide polymer electrolyte nanocomposite 
      Santa Ana, María Angélica; Benavente Espinosa, Eglantina; Gómez Romero, Pedro; González Moraga, Guillermo (2006)
      The synthesis, characterization and electrochemistry of a novel nanocomposite based on the co-intercalation of lithium and poly(acrylonitrile) (PAN) in molybdenum disulfide [Li0.6MoS2(PAN) 1.2·0.5H2O] is described. The ...
    • Applications of electron spin resonance and spin trapping in tropical parasitic diseases 
      Olea Azar, Claudio; Rigol, C.; Mendizábal Emaldía, Fernando; Briones, R. (2006)
      Free radicals may be reaction intermediates in biological systems in more situations than are presently recognized. However, progress in detecting such species by Electron Spin Resonance (ESR) has been relatively slow. ESR ...
    • 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 ...
    • Synthesis, characterization and in vitro antifungal evaluation of novel benzimidazo [1,2-c]quinazolines 
      Insuasty, B. A.; Torres, H.; Quiroga, J.; Abonía, R.; Rodríguez, R.; Nogeras, M.; Sánchez, A.; Saitz, C.; Alvarez, S. L.; Zacchino, S. A. (2006)
      The synthesis of a series of new benzimidazo[1,2-c]quinazolines starting from 2-nitrobenzaldehyde and o-phenylendiamine is described. The structure elucidation of the products is based on detailed NMR analysis of experiments ...
    • Protective effects of a standard extract of Mangifera indica L. (VIMANG®) against mouse ear edemas and its ... 
      Garrido, G.; González, D.; Lemus, Y.; Delporte, C.; Delgado, R. (2006)
      A standard aqueous extract of Mangifera indica L., used in Cuba as antioxidant under the brand name VIMANG®, was tested in vivo for its anti-inflammatory activity, using commonly accepted assays. The standard extract of ...
    • Effect of rosa mosqueta (rosa rubiginosa) extract on the performance of Chilean hazelnut oil (gevuina ... 
      Robert, P.; Romero, N.; Ortiz, J.; Masson, L.; Barrera-Arellano, D. (2006)
      The effect of the addition of rosa mosqueta husk extract (RME) on thermal oxidation of nontreated (HZO) and treated (THZO) Chilean hazelnut seed oil was evaluated at 180°C for 18 h. THZO to which was added 339 mg/kg of ...
    • Solvent effect on the sensitized photooxygenation of cyclic and acyclic α-diimines 
      Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (2006)
      The reaction of singlet molecular oxygen with a series of cyclic and acyclic α-diimines was studied. Time-resolved methods were used to measure total reaction rate constants and steady-state methods were used to determine ...
    • Topical anti-inflammatory activity of 2α-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae 
      Aguirre, María C.; Delporte, Carla; Backhouse, Nadine; Erazo, Silvia; Letelier, María Eugenia; Cassels Niven, Bruce; Silva, Ximena; Alegría, Sergio; Negrete, Rosa (2006)
      Leaf extracts of Ugni molinae Turcz. are used in the Chilean cosmetic industry on the assumption that they have decongestant, regenerative, and anti-aging properties. A bioassay-guided fractionation of this plant material ...
    • Silver nanowire arrays electrochemically grown into nanoporous anodic alumina templates 
      Riveros, G.; Green, S.; Cortes, A.; Gómez, H.; Marotti, R. E.; Dalchiele, E. A. (2006)
      Silver nanowire arrays with high aspect ratios have been prepared using potentiostatic electrodeposition within the confined nanochannels of a commercial porous anodic aluminium oxide template. The nucleation and growth ...
    • Solubilization of dodac small unilamellar vesicles by sucrose esters: A fluorescence study 
      Becerra,; De La Nuez,; Zanocco Loyola, Antonio; Lemp Miranda, Else; Günther Sapunar, Germán (Elsevier, 2006)
      A fluorescence method was employed to study the solubilizing interactions of several sucrose esters with Dioctadecyldimethylammonium chloride small unilamellar vesicles. In this paper we studied four different alkyl esters ...
    • Interleukin-6 production and deregulation of the hypothalamic-pituitary- adrenal axis in patients with major ... 
      Humphreys, Derek; Schlesinger, Liana; Lopez, Marcelo; Araya, A. Verönica (2006)
      The present study was designed to determine whether an association exists between HPA activity and cytokine production in major depression (MD). In 9 patients with MD and 11 control subjects of both sexes, all drug-free, ...
    • Ozone and UV radiation over southern South America: Climatology and anomalies 
      Diaz, S.; Camilión, C.; Deferrari, G.; Fuenzalida, H.; Armstrong, R.; Booth, C.; Paladini, A.; Cabrera, S.; Casiccia, C.; Lovengreen, C.; Pedroni, J.; Rosales, A.; Zagarese, H.; Vernet, M. (2006)
      Ozone and UV radiation were analyzed at eight stations from tropical to sub-Antarctic regions in South America. Ground UV irradiances were measured by multichannel radiometers as part of the Inter American Institute for ...
    • Trophic factors in cerebrospinal fluid and spinal cord of patients with tropical spastic paraparesis, HIV, ... 
      Albrecht, David; García Nannig, Lorena; Cartier Rovirosa, Luis; Kettlun, Ana M.; Vergara, Carmen; Collados, Lucia; Valenzuela, M. Antonieta (2006)
      HTLV-1-associated myelopathy/tropical spastic paraparesis (TSP/HAM) is a chronic CNS disease characterized by axomyelinic degeneration of the long axons of corticospinal tracts. Levels of NGF, NT-3, NT-4/5, BDNF, GDNF, ...