Browsing by Author "Ill-Raga, Gerard, 1982-"

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  • Activation of PKR causes amyloid beta-peptide accumulation via De-Repression of Bace1 expression
    Ill-Raga, Gerard, 1982-; Palomer, Ernest; Wozniak, Matthew A; Ramos Fernández, Eva, 1984-; Bosch Morató, Mònica, 1986-; Tajes Orduña, Marta; Guix Ràfols, Francesc Xavier; Galán, José J; Clarimón Echevarría, Jordi; Antúnez, Carmen; Real, Luis M; Boada, Mercè; Itzhaki, Ruth F; Fandos, César; Muñoz López, Francisco José, 1964- (Public Library of Science (PLoS), 2011)
    BACE1 is a key enzyme involved in the production of amyloid ß-peptide (Aß) in Alzheimer's disease (AD) brains. Normally, its expression is constitutively inhibited due to the presence of the 5′untranslated region (5′UTR) ...
  • Amyloid beta-peptide increases BACE1 translation through the phosphorylation of the eukaryotic initiation factor-2 α
    Picón-Pagès, Pol; Gutiérrez, Daniela A.; Barranco Almohalla, Alejandro; Crepin, Giulia; Tajes Orduña, Marta; Ill-Raga, Gerard, 1982-; Guix Ràfols, Francesc Xavier; Menéndez, Silvia; Arumí Uría, Montserrat; Vicente García, Rubén, 1978-; Álvarez, Alejandra R.; Muñoz López, Francisco José, 1964- (Hindawi, 2020)
    Alzheimer's disease (AD) is tightly linked to oxidative stress since amyloid beta-peptide (Aβ) aggregates generate free radicals. Moreover, the aggregation of Aβ is increased by oxidative stress, and the neurotoxicity ...
  • Fibrinogen nitrotyrosination after ischemic stroke impairs thrombolysis and promotes neuronal death
    Ill-Raga, Gerard, 1982-; Palomer, Ernest; Ramos Fernández, Eva, 1984-; Guix Ràfols, Francesc Xavier; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Tajes Orduña, Marta; Valls Comamala, Victòria, 1987-; Jiménez Conde, Jordi; Ois Santiago, Angel Javier; Gil Gómez, Gabriel; Alameda Quitllet, Francisco; Roquer, Jaume; Valverde, M. A. (Miguel Ángel), 1963-; Muñoz López, Francisco José, 1964- (Elsevier, 2015)
    Ischemic stroke is an acute vascular event that compromises neuronal viability, and identification of the pathophysiological mechanisms is critical for its correct management. Ischemia produces increased nitric oxide ...
  • Glutamatergic stimulation induces GluN2B translation by the nitric oxide-Heme-Regulated eIF2α kinase in cortical neurons
    Ramos Fernández, Eva, 1984-; Tajes Orduña, Marta; Ill-Raga, Gerard, 1982-; Vargas, Lina M.; Busquets Garcia, Arnau, 1985-; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Valls Comamala, Victòria, 1987-; Gomis González, Maria, 1988-; Grau, Cristina; Fandos, César; Rosen, Mark D.; Rabinowitz, Michael H.; Inestrosa, Nibaldo C.; Maldonado, Rafael, 1961-; Altafaj, Xavier; Ozaita Mintegui, Andrés, 1969-; Álvarez, Alejandra R.; Vicente García, Rubén, 1978-; Valverde, M. A. (Miguel Ángel), 1963-; Muñoz López, Francisco José, 1964- (Impact Journals, 2016)
    The activation of N-Methyl D-Aspartate Receptor (NMDAR) by glutamate is crucial in the nervous system function, particularly in memory and learning. NMDAR is composed by two GluN1 and two GluN2 subunits. GluN2B has been ...
  • Modification of y-secretase by nitrosative stress links neuronal ageing to sporadic Alzheimer's disease
    Guix Ràfols, Francesc Xavier; Wahle, Tina; Vennekens, Kristel; Snellinx, An; Chávez Gutiérrez, Lucía; Ill-Raga, Gerard, 1982-; Ramos Fernández, Eva, 1984-; Guardia Laguarta, Cristina; Lleó, Alberto; Arimon, Muriel; Berezovska, Oksana; Muñoz López, Francisco José, 1964-; Dotti, Carlos G.; De Strooper, Bart (Wiley-VCH Verlag, 2012)
    Inherited familial Alzheimer's disease (AD) is characterized by small increases in the ratio of Aβ42 versus Aβ40 peptide which is thought to drive the amyloid plaque formation in the brain of these patients. Little is known ...
  • Nitro-oxidative stress after neuronal ischemia induces protein nitrotyrosination and cell death
    Tajes Orduña, Marta; Ill-Raga, Gerard, 1982-; Palomer, Ernest; Ramos Fernández, Eva, 1984-; Guix Ràfols, Francesc Xavier; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Jiménez Conde, Jordi; Ois Santiago, Angel Javier; Pérez Asensio, Fernando; Reyes Navarro, Mario; Caballo, Carolina; Galán, Ana M.; Alameda Quitllet, Francisco; Escolar, Ginès; Opazo, Carlos M.; Planas, Anna; Roquer, Jaume; Valverde, M. A. (Miguel Ángel), 1963-; Muñoz López, Francisco José, 1964- (Hindawi, 2013)
    Ischemic stroke is an acute vascular event that obstructs blood supply to the brain, producing irreversible damage that affects neurons but also glial and brain vessel cells. Immediately after the stroke, the ischemic ...
  • Physiological control of nitric oxide in neuronal BACE1 translation by heme-regulated eIF2α kinase HRI induces synaptogenesis
    Ill-Raga, Gerard, 1982-; Tajes Orduña, Marta; Busquets Garcia, Arnau, 1985-; Ramos Fernández, Eva, 1984-; Vargas, Lina M.; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Valls Comamala, Victòria, 1987-; Eraso Pichot, Abel; Guix Ràfols, Francesc Xavier; Fandos, César; Rosen, Mark D.; Rabinowitz, Michael H.; Maldonado, Rafael, 1961-; Álvarez, Alejandra R.; Ozaita Mintegui, Andrés, 1969-; Muñoz López, Francisco José, 1964- (Mary Ann Liebert, Inc, 2015)
    AIMS: Hippocampus is the brain center for memory formation, a process that requires synaptogenesis. However, hippocampus is dramatically compromised in Alzheimer's disease due to the accumulation of amyloid β-peptide, whose ...
  • PKR and PP1C polymorphisms in alzheimer’s disease risk
    Palomer, Ernest; Ill-Raga, Gerard, 1982-; Tajes Orduña, Marta; Ramos Fernández, Eva, 1984-; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Galán, José J; Clarimón Echevarría, Jordi; Antúnez, Carmen; Boada, Mercè; Real, Luis M; Fandos, César; Muñoz López, Francisco José, 1964- (Scientific Research Publishing, 2011)
    Alzheimer’s disease (AD) is a neurodegenerative disease characterized by senile plaques and neurofibrillary tangles. Senile plaques are deposits of amyloid ß-peptide (Aß) produced by the cleavage of a transmembrane protein ...
  • Posttranslational nitro-glycative modifications of albumin in Alzheimer's disease: implications in cytotoxicity and amyloid-β peptide aggregation
    Ramos Fernández, Eva, 1984-; Tajes Orduña, Marta; Palomer, Ernest; Ill-Raga, Gerard, 1982-; Bosch Morató, Mònica, 1986-; Guivernau Almazán, Biuse, 1988-; Roman Degano, Irene; Eraso Pichot, Abel; Alcolea, Daniel; Fortea, Juan; Núñez, Laura; Páez, Antonio; Alameda Quitllet, Francisco; Fernàndez Busquets, Xavier; Lleó, Alberto; Elosua Llanos, Roberto; Boada, Mercè; Valverde, M. A. (Miguel Ángel), 1963-; Muñoz López, Francisco José, 1964- (IOS Press, 2014)
    Glycation and nitrotyrosination are pathological posttranslational modifications that make proteins prone to losing their physiological properties. Since both modifications are increased in Alzheimer's disease (AD) due to ...
  • Study of the pathophysiological role of nitric oxide and nitrative stress in brain: translational effects on the cleavage of the amyloid precursor protein in Alzheimer's disease and post-translational effects on fibrinogen in brain ischemia
    Ill-Raga, Gerard, 1982- (Universitat Pompeu Fabra, 2010-09-28)
    Nitric oxide (NO) is a neurotransmitter involved in memory processes. Currently, the only recognized physiological signalling pathway controlled by NO is the activation of guanylyl cyclase. In this thesis, we propose an ...