Now showing items 1-20 of 57

    • Type-Dependent Oxidative Damage Frontotemporal Lobar Degeneration: Cortical Astrocytes Are Targets of Oxidative Damage 

      Martínez, Anna; Carmona, Margarita; Portero Otín, Manuel; Naudí i Farré, Alba; Pamplona Gras, Reinald; Ferrer, Isidre (Oxford University Press, 2008)
      Oxidative injury and stress responses are common features of many neurodegenerative diseases. To assess oxidative stress responses in frontotemporal lobar degeneration (FTLD), we identified increased 4-hydroxynonenal ...
    • Signalling by neurotrophins and hepatocyte growth factor regulates axon morphogenesis by differential β-catenin phosphorylation 

      David, Mónica Delia; Yeramian Hakim, Andree; Duñach, Mireia; Llovera i Tomàs, Marta; Cantí Nicolás, Carles; Garcia de Herreros, Antonio; Comella i Carnicé, Joan Xavier; Herreros Danés, Judit (Company of Biologist, 2008)
      Tyrosine phosphorylation of ß-catenin, a component of adhesion complexes and the Wnt pathway, affects cell adhesion, migration and gene transcription. By reducing ßcatenin availability using shRNA-mediated gene silencing ...
    • Valproic acid induces antioxidant effects in X-linked adrenoleukodystrophy 

      Fourcade, Stéphane; Ruiz, Montserrat; Guilera, Cristina; Hahnen, Eric; Brichta, Lars; Naudí i Farré, Alba; Portero Otín, Manuel; Dacremont, Georges; Cartier, Nathalie; Wanders, Ronald; Kemp, Stephan; Mandel, Jean Louis; Wirth, Brunhilde; Pamplona Gras, Reinald; Aubourg, Patrick; Pujol, Aurora (Oxford University Press, 2010)
      X-linked adrenoleukodystrophy (X-ALD) is a fatal, axonal demyelinating, neurometabolic disease. It results from the functional loss of a member of the peroxisomal ATP-binding cassette transporter subfamily D (ABCD1), ...
    • When cholesterol is not cholesterol: a note on the enzymatic determination of its concentration in model systems containing vegetable extracts 

      Jové Font, Mariona; Serrano Casasola, José Carlos Enrique; Bellmunt i Curcó, Josepa; Cassanyé, Anna; Anglès, Neus; Reguant, Jordi; Morelló, José R.; Pamplona Gras, Reinald; Portero Otín, Manuel (BioMed Central, 2010)
      Background: Experimental evidences demonstrate that vegetable derived extracts inhibit cholesterol absorption in the gastrointestinal tract. To further explore the mechanisms behind, we modeled duodenal contents with several ...
    • Mitochondrial DNA mutations induce mitochondrial dysfunction, apoptosis and sarcopenia in skeletal muscle of mitochondrial DNA mutator mice 

      Hiona, Asimina; Sanz, Alberto; Kujoth, Gregory C.; Pamplona Gras, Reinald; Seo, Arnold Y.; Hofer, Tim; Someya, Shinichi; Miyakawa, Takuya; Nakayama, Chie; Samhan-Arias, Alejandro K.; Servais, Stephane; Barger, Jamie L.; Portero Otín, Manuel; Tanokura, Masaru; Prolla, Tomas A.; Leeuwenburgh, Christiaan (Public Library of Science (PLoS), 2010)
      Background: Aging results in a progressive loss of skeletal muscle, a condition known as sarcopenia. Mitochondrial DNA (mtDNA) mutations accumulate with aging in skeletal muscle and correlate with muscle loss, although no ...
    • Mitochondrial ATP-Synthase in the entorhinal cortex is a target of oxidative stress at stages I/II of Alzheimer's disease pathology 

      Terni, Beatrice; Boada Pallàs, Jordi; Portero Otín, Manuel; Pamplona Gras, Reinald; Ferrer, Isidre (Wiley, 2010)
      Oxidative stress has been implicated in the pathogenesis of several neurodegenerative diseases including Alzheimer's disease (AD). Several proteins have been identified as targets of oxidative damage in AD dementia (usually ...
    • Depletion of oxidative and endoplasmic reticulum stress regulators in Pick disease 

      Ilieva, Ekaterina V.; Naudí i Farré, Alba; Kichev, Anton Vladimirov; Ferrer, Isidre; Pamplona Gras, Reinald; Portero Otín, Manuel (Elsevier, 2010)
      Both oxidative and endoplasmic reticulum (ER) stress is associated with multiple neurodegenerative, age-related diseases. The rare disorder Pick disease (PiD) shares some pathological hallmarks of other neurodegenerative ...
    • Biomarkers of aging in Drosophila 

      Jacobson, Jake; Lambert, Adrian J.; Portero Otín, Manuel; Pamplona Gras, Reinald; Magwere, Tapiwanashe; Miwa, Satomi; Driege, Yasmine; Brand, Martin D.; Partridge, Linda (Wiley, 2010)
      Low environmental temperature and dietary restriction (DR) extend lifespan in diverse organisms. In the fruit fly Drosophila, switching flies between temperatures alters the rate at which mortality subsequently increases ...
    • Protein targets of oxidative damage in human neurodegenerative diseases with abnormal protein aggregates 

      Martínez, Anna; Portero Otín, Manuel; Pamplona Gras, Reinald; Ferrer, Isidre (Wiley, 2010)
      Human neurodegenerative diseases with abnormal protein aggregates are associated with aberrant post-translational modifications, solubility, aggregation and fibril formation of selected proteins which cannot be degraded ...
    • Wnt-3a and Wnt-3 differently stimulate proliferation and neurogenesis of spinal neural precursors and promote neurite outgrowth by canonical signaling 

      David, Mónica Delia; Cantí Nicolás, Carles; Herreros Danés, Judit (Wiley, 2010)
      Wnt factors regulate neural stem cell development and neuronal connectivity. Here we investigated whether Wnt-3a and Wnt-3, expressed in the developing spinal cord, regulate proliferation and the neuronal differentiation ...
    • Oxidative damage compromises energy metabolism in the axonal degeneration mouse model of X-Adrenoleukodystrophy 

      Fourcade, Stéphane; Schlüter, Agatha; López Erauskin, Jone; Guilera, Cristina; Jové Font, Mariona; Naudí i Farré, Alba; García Arumí, Elena; Andreu, Antoni L.; Starkov, Anatoly A.; Pamplona Gras, Reinald; Ferrer, Isidre; Portero Otín, Manuel; Pujol, Aurora (Mary Ann Liebert, Inc., 2011)
      Aims: Chronic metabolic impairment and oxidative stress are associated with the pathogenesis of axonal dysfunction in a growing number of neurodegenerative conditions. To investigate the intertwining of both noxious factors, ...
    • Mitochondrial Dysfunction and Oxidative and Endoplasmic Reticulum Stress in Argyrophilic Grain Disease 

      Ilieva, Ekaterina V.; Kichev, Anton Vladimirov; Naudí i Farré, Alba; Ferrer, Isidre; Pamplona Gras, Reinald; Portero Otín, Manuel (Oxford University Press, 2011)
      Argyrophilic grain disease (AGD) is characterized by the accumulation of hyperphosphorylated 4R tau in dendritic varicosities (i.e."grains") in neurons and pretangles in certain areas of the cerebral cortex and other brain ...
    • Mitochondrial DNA damage and animal longevity: insights from comparative studies 

      Pamplona Gras, Reinald (Hindawi Publishing Corporation, 2011)
      Chemical reactions in living cells are under strict enzyme control and conform to a tightly regulated metabolic program. However, uncontrolled and potentially deleterious endogenous reactions occur, even under physiological ...
    • Mitochondria and ageing 

      Leeuwenburgh, Christiaan; Pamplona Gras, Reinald; Sanz, Alberto (Hindawi Publishing Corporation, 2011)
    • Plant-derived phenolics inhibit the accrual of structurally characterised protein and lipid oxidative modifications 

      Soler Cantero, Arantza; Jové Font, Mariona; Cacabelos Barral, Daniel; Boada Pallàs, Jordi; Naudí i Farré, Alba; Romero Fabregat, Mª Paz; Cassanyé, Anna; Serrano Casasola, José Carlos Enrique; Arola i Ferrer, Lluís; Valls, Josep; Bellmunt i Curcó, Josepa; Prat Corominas, Joan; Pamplona Gras, Reinald; Portero Otín, Manuel; Motilva Casado, Mª José (Public Library of Science, 2012)
      Epidemiological data suggest that plant-derived phenolics beneficial effects include an inhibition of LDL oxidation. After applying a screening method based on 2,4-dinitrophenyl hydrazine- protein carbonyl reaction to 21 ...
    • Cellular Dysfunction in Diabetes as Maladaptive Response to Mitochondrial Oxidative Stress 

      Naudí i Farré, Alba; Jové Font, Mariona; Ayala Jové, Ma. Victoria (Maria Victoria); Cassanyé, Anna; Serrano Casasola, José Carlos Enrique; Gonzalo Benito, Hugo; Boada Pallàs, Jordi; Prat Corominas, Joan; Portero Otín, Manuel; Pamplona Gras, Reinald (Hindawi Publishing Corporation, 2012)
      Oxidative stress has been implicated in diabetes long-term complications. In this paper, we summarize the growing evidence suggesting that hyperglycemia-induced overproduction of superoxide by mitochondrial electron ...
    • Oxidative stress underlying axonal degeneration in adrenoleukodystrophy: a paradigm for multifactorial neurodegenerative diseases? 

      Galea, Elena; Launay, Nathalie; Portero Otín, Manuel; Ruiz, Montserrat; Pamplona Gras, Reinald; Aubourg, Patrick; Ferrer, Isidre; Pujol, Aurora (Elsevier, 2012)
      X-linked adrenoleukodystrophy (X-ALD) is an inherited neurodegenerative disorder expressed as four disease variants characterized by adrenal insufficiency and graded damage in the nervous system. X-ALD is caused by a loss ...
    • β-catenin signalling in Glioblastoma multiforme and Glioma-initiating cells 

      Nàger Grifo, Mireia; Bhardwaj, Deepshikha; Cantí Nicolás, Carles; Medina Hernández, Loreta Mª; Nogués Bara, Pere; Herreros Danés, Judit (Hindawi Publishing Corporation, 2012)
      Glioblastoma multiforme (GBM) is a commonly occurring brain tumor with a poor prognosis. GBM can develop both “de novo” or evolve from a previous astrocytoma and is characterized by high proliferation and infiltration into ...
    • Lipidome analysis in multiple sclerosis reveals protein lipoxidative damage as a potential pathogenic mechanism 

      Gonzalo Benito, Hugo; Brieva Ruiz, Luis; Tatzber, Franz; Jové Font, Mariona; Cacabelos Barral, Daniel; Cassanyé, Anna; Lanau, Lucia; Boada Pallàs, Jordi; Serrano Casasola, José Carlos Enrique; González Mingot, Cristina; Hernández, Lourdes; Peralta Moncusí, Silvia; Pamplona Gras, Reinald; Portero Otín, Manuel (Wiley, 2012)
      Metabolomic and lipidomic analyses have been used for the profiling of neurodegenerative processes, both in targeted and untargeted approaches. In this work we have applied these techniques to the study of CSF samples of ...
    • Skeletal muscle uncoupling-induced longevity in mice is linked to increased substrate metabolism and induction of the endogenous antioxidant defense system 

      Keipert, Susanne; Ost, Mario; Chadt, A.; Voigt, A.; Ayala Jové, Ma. Victoria (Maria Victoria); Portero Otín, Manuel; Pamplona Gras, Reinald; Al-Hasani, H.; Klaus, Susanne (American Physiological Society, 2013)
      Ectopic expression of uncoupling protein 1 (UCP1) in skeletal muscle (SM) mitochondria increases lifespan considerably in high-fat diet-fed UCP1 Tg mice compared with wild types (WT). To clarify the underlying mechanisms, ...