Search Results - "Letelier, María Eugenia"

Antiproliferative and Uncoupling Effects of Delocalized, Lipophilic, Cationic Gallic Acid Derivatives on Cancer Cell Lines. Validation in Vivo in Singenic Mice by Jara, José A, Castro-Castillo, Vicente, Saavedra-Olavarría, Jorge, Peredo, Liliana, Pavanni, Mario, Jaña, Fabián, Letelier, María Eugenia, Parra, Eduardo, Becker, María Inés, Morello, Antonio, Kemmerling, Ulrike, Maya, Juan Diego, Ferreira, Jorge

“…Tumor cells principally exhibit increased mitochondrial transmembrane potential (ΔΨm) and altered metabolic pathways. The therapeutic targeting and delivery of…”
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Topical anti-inflammatory activity of 2α-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae by Aguirre, María C., Delporte, Carla, Backhouse, Nadine, Erazo, Silvia, Letelier, María Eugenia, Cassels, Bruce K., Silva, Ximena, Alegría, Sergio, Negrete, Rosa

“…The leaves of Ugni molinae, Myrtaceae, showed potent anti-inflammatory activities due mainly to the presence of several pentacyclic triterpene acids, including…”
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Mechanisms underlying iron and copper ions toxicity in biological systems: Pro-oxidant activity and protein-binding effects by Letelier, María Eugenia, Sánchez-Jofré, Sebastián, Peredo-Silva, Liliana, Cortés-Troncoso, Juan, Aracena-Parks, Paula

“…Iron and copper ions, in their unbound form, may lead to the generation of reactive oxygen species via Haber–Weiss and/or Fenton reactions. In addition, it has…”
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Microsomal oxidative damage promoted by acetaminophen metabolism by Letelier, María Eugenia, López-Valladares, Miguel, Peredo-Silva, Liliana, Rojas-Sepúlveda, Daniel, Aracena, Paula

“…► Rat liver microsomes contain a NADPH oxidase (NOX) activity. ► Acetaminophen and NADPH generate ROS through this NOX activity. ► NAPQI rather than ROS…”
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Melatonin protects the cytochrome P450 system through a novel antioxidant mechanism by Letelier, María Eugenia, Jara-Sandoval, José, Molina-Berríos, Alfredo, Faúndez, Mario, Aracena-Parks, Paula, Aguilera, Felipe

“…Melatonin, an endogenous hormone, is used as an antioxidant drug in doses quite higher than the endogenous circulating levels of this hormone. Hepatic…”
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Algunas propuestas para mejorar la formación del profesorado de Chile a la luz de las prácticas pedagógicas de éxito en el País Vasco by Cerda-Jopia, Juan Luis, Vizcarra-Morales, María Teresa, Rekalde Rodríguez, Itziar, Sánchez-Letelier, María Eugenia

“…El propósito de este trabajo es realizar una revisión de la literatura existente para identificar algunas propuestas de ciertas experiencias educativas de…”
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Possible mechanisms underlying copper-induced damage in biological membranes leading to cellular toxicity by Letelier, María Eugenia, Lepe, Ana María, Faúndez, Mario, Salazar, Julia, Marín, Rigoberto, Aracena, Paula, Speisky, Hernán

“…It is generally accepted that copper toxicity is a consequence of the generation of reactive oxygen species (ROS) by copper ions via Fenton or Haber–Weiss…”
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DPPH and oxygen free radicals as pro-oxidant of biomolecules by Letelier, María Eugenia, Molina-Berríos, Alfredo, Cortés-Troncoso, Juan, Jara-Sandoval, José, Holst, Marianne, Palma, Karina, Montoya, Margarita, Miranda, Dante, González-Lira, Víctor

“…Numerous investigations exist about the alterations that oxygen free radicals can provoke on biomolecules; these modifications can be prevented and/or reversed…”
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Educación de personas jóvenes y adultas: hacia una mayor justicia educativa by Letelier-Gálvez, María Eugenia

“…Este artículo ofrece una visión general de la educación de personas jóvenes y adultas (EPJA), modalidad frecuentemente invisible tanto en las políticas…”
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Copper modifies liver microsomal UDP-glucuronyltransferase activity through different and opposite mechanisms by Letelier, María Eugenia, Lagos, Fernando, Faúndez, Mario, Miranda, Dante, Montoya, Margarita, Aracena-Parks, Paula, González-Lira, Víctor

“…Treatment of hepatic microsomes with Fe 3+/ascorbate activates UDP-glucuronyltransferase (UGT), a phenomenon totally prevented and reversed by reducing agents…”
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Nitroaryl-1,4-dihydropyridines as antioxidants against rat liver microsomes oxidation induced by iron/ascorbate, Nitrofurantoin and naphthalene by Letelier, María Eugenia, Entrala, Paz, López-Alarcón, Camilo, González-Lira, Víctor, Molina-Berríos, Alfredo, Cortés-Troncoso, Juan, Jara-Sandoval, José, Santander, Paola, Núñez-Vergara, Luis

“…1,4-Dihydropyridines (DHPs) used in the treatment of cardiovascular diseases, are calcium channel antagonists and also antioxidant agents. These drugs are…”
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Surfactant and antioxidant properties of an extract from Chenopodium quinoa Willd seed coats by Letelier, María Eugenia, Rodríguez-Rojas, Carmen, Sánchez-Jofré, Sebastián, Aracena-Parks, Paula

“…Chenopodium quinoa Willd (quinoa) has been a source of food for millennia by the Andes region native population. Because of its bitter taste, quinoa seeds are…”
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Comparative Effects of Superoxide Anion and Hydrogen Peroxide on Microsomal and Cytosolic Glutathione S-Transferase Activities of Rat Liver by Letelier, María Eugenia, Molina-Berríos, Alfredo, Cortés-Troncoso, Juan, Jara-Sandoval, José A, Müller, Andrea, Aracena-Parks, Paula

“…Glutathione S-transferases (GSTs) are isoenzymes occurring in the cytoplasm and as integral membrane proteins. In addition to their role in drug metabolism by…”
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La Evaluación de Aprendizajes de Personas Jóvenes y Adultas by María Eugenia Letelier

“…La evaluación de aprendizajes de personas jóvenes y adultas es un ámbito que requiere de un fuerte impulso para avanzar y, así, responder a las necesidades…”
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Microsomal UDP-glucuronyltransferase in rat liver : Oxidative activation by LETELIER, Maria Eugenia, PIMENTEL, Alejandra, PINO, Patricia, LEPE, Ana Maria, FAUNDEZ, Mario, ARACENA, Paula, SPEISKY, Hernan

“…Activation of microsomal UDP-glucuronyltransferase (UDPGT) activity by treatment of hepatic microsomes with either detergents or Fe(3+)/ascorbate pro-oxidant…”
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Participar en el Espacio Educativo: Establecimientos Municipales que Construyen sus Proyectos Educativos Institucionales (PEI) by María Eugenia Letelier Gálvez, Flavia Fiabane Salas

“…Este artículo sistematiza la experiencia desarrollada por el Programa Interdisciplinario de Investigación en Educación (PIIE), en la construcción participativa…”
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Microsomal UDP‐Glucuronyltransferase in Rat Liver: Oxidative Activation by Letelier, María Eugenia, Pimentel, Alejandra, Pino, Patricia, Lepe, Ana María, Faúndez, Mario, Aracena, Paula, Speisky, Hernán

“…: Activation of microsomal UDP‐glucuronyltransferase (UDPGT) activity by treatment of hepatic microsomes with either detergents or Fe3+/ascorbate pro‐oxidant…”
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Participar en el espacio educativo: establecimientos municipales que construyen sus Proyectos Educativos Institucionales (PEI) by Letelier, María Eugenia, Fiabane Salas, Flavia

“…This article explores the experience developed by the Programa Interdisciplinario de Investigaciones en Educación (PIIE) in the participatory process to build…”
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La Evaluación de Aprendizajes de Personas Jóvenes y Adultas by Letelier, María Eugenia

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Topical anti-inflammatory activity of 2alpha-hydroxy pentacyclic triterpene acids from the leaves of Ugni molinae by Aguirre, María C, Delporte, Carla, Backhouse, Nadine, Erazo, Silvia, Letelier, María Eugenia, Cassels, Bruce K, Silva, Ximena, Alegría, Sergio, Negrete, Rosa

“…Leaf extracts of Ugni molinae Turcz. are used in the Chilean cosmetic industry on the assumption that they have decongestant, regenerative, and anti-aging…”
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