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Listar por autor "Vizuete, Marisa"
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Abnormal accumulation of autophagic vesicles correlates with axonal and synaptic pathology in young Alzheimer’s mice hippocampus.
Sánchez-Varo, Raquel María; Trujillo-Estrada, Laura Isabel
; Sánchez-Mejías, Elisabeth
; Torres, Manuel; Baglietto-Vargas, David; Moreno-González, Inés; De Castro, Vanessa; Jiménez, Sebastián; Ruano, Diego; Vizuete, Marisa; Dávila-Cansino, José Carlos; García-Verdugo, José Manuel; Jiménez-Lara, Antonio Jesús
; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (Springer Nature, 2012)
Dystrophic neurites associated with amyloid plaques precede neuronal death and manifest early in Alzheimer’s disease (AD). In this work we have characterized the plaque-associated neuritic pathology in the hippocampus ... -
Age-dependent accumulation of soluble amyloid beta (Abeta) oligomers reverses the neuroprotective effect of soluble amyloid precursor protein-alpha (sAPP(alpha)) by modulating phosphatidylinositol 3-kinase (PI3K)/Akt-GSK-3beta pathway in Alzheimer mouse model.
Jiménez, Sebastián; Torres, Manuel; Vizuete, Marisa; Sánchez-Varo, Raquel María; Sánchez-Mejías, Elisabeth
; Trujillo-Estrada, Laura Isabel
; Carmona-Cuenca, Irene; Caballero, Cristina; Ruano, Diego; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Elsevier, 2011-05)
Neurotrophins, activating the PI3K/Akt signaling pathway, control neuronal survival and plasticity. Alterations in NGF, BDNF, IGF-1, or insulin signaling are implicated in the pathogenesis of Alzheimer disease. We have ... -
Amyloid-β impairs the phagocytosis of dystrophic synapses by astrocytes in Alzheimer's disease.
Sanchez-Mico, Maria Virtudes; Jiménez, Sebastián; Gómez-Arboledas, Ángela; Muñoz-Castro, Clara; Romero-Molina, Carmen; Navarro, Victoria; Sánchez-Mejías, Elisabeth; Núñez-Díaz, Cristina; Sánchez-Varo, Raquel María
; Galea, Elena; Dávila-Cansino, José Carlos; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Wiley, 2020-12-07)
Reactive astrocytes and dystrophic neurites, most aberrant presynaptic elements, are found surrounding amyloid-β plaques in Alzheimer's disease (AD). We have previously shown that reactive astrocytes enwrap, phagocytose, ... -
Calretinin Interneurons are Early Targets of Extracellular Amyloid-beta Pathology in PS1/AbetaPP Alzheimer Mice Hippocampus.
Baglietto-Vargas, David; Moreno-González, Inés; Sánchez-Varo, Raquel María; Jiménez, Sebastián; Trujillo-Estrada, Laura Isabel
; Sánchez-Mejías, Elisabeth
; Torres, Manuel; Romero-Acebal, Manuel
; Ruano, Diego; Vizuete, Marisa; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (IOS Press, 2010-07-08)
Specific neuronal networks are preferentially affected in the early stages of Alzheimer’s disease (AD). The distinct subpopulations of hippocampal inhibitory GABAergic system have been shown to display differential ... -
Defective lysosomal proteolysis and axonal transport are early pathogenic events that worsen with age leading to increased APP metabolism and synaptic Abeta in transgenic APP/PS1 hippocampus.
Torres, Manuel; Jiménez, Sebastián; Sánchez-Varo, Raquel María; Navarro, Victoria; Trujillo-Estrada, Laura Isabel
; Sánchez-Mejías, Elisabeth
; Carmona, Irene; Dávila-Cansino, José Carlos; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Springer Nature, 2012-11-22)
Axonal pathology might constitute one of the earliest manifestations of Alzheimer disease. Axonal dystrophies were observed in patients and transgenic models. These dystrophies could reflect the disruption of axonal transport ... -
Distinct Microglial Responses in Two Transgenic Murine Models of TAU Pathology.
Romero-Molina, Carmen; Navarro, Victoria; Sánchez-Varo, Raquel María; Jiménez, Sebastián; Fernández-Valenzuela, Juan José; Sanchez-Mico, Maria Virtudes; Muñoz-Castro, Clara; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier; Vizuete, Marisa[et al.] (Frontiers, 2018-11-14)
Microglial cells are crucial players in the pathological process of neurodegenerative diseases, such as Alzheimer's disease (AD). Microglial response in AD has been principally studied in relation to amyloid-beta pathology ... -
Dual roles of Aβ in proliferative processes in an amyloidogenic model of Alzheimer's disease.
Baglietto-Vargas, David; Sánchez-Mejías, Elisabeth; Navarro, Victoria; Jiménez, Sebastián; Trujillo-Estrada, Laura Isabel
; Gómez-Arboledas, Ángela; Sanchez-Mico, Maria Virtudes; Sánchez-Varo, Raquel María
; Vizuete, Marisa; Dávila-Cansino, José Carlos; García-Verdugo, José Manuel; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (Springer Nature, 2017)
Alzheimer's disease is a major neurodegenerative disorder that leads to severe cognitive deficits in the elderly population. Over the past two decades, multiple studies have focused on elucidating the causative factors ... -
Early neuronal loss and axonal/presynaptic damage is associated with accelerated amyloid-β accumulation in AβPP/PS1 Alzheimer's disease mice subiculum.
Trujillo-Estrada, Laura Isabel; Dávila-Cansino, José Carlos; Sánchez-Mejías, Elisabeth
; Sánchez-Varo, Raquel María
; Gómez-Arboledas, Ángela; Vizuete, Marisa; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (IOS Press, 2014)
The progressive cognitive decline leading to dementia in Alzheimer’s disease (AD) patients is the consequence of a severe loss of synapses and neurons affecting particular cell subpopulations in selected brain areas, with ... -
Enhancing microtubule stabilization rescues cognitive deficits and ameliorates pathological phenotype in an amyloidogenic Alzheimer's disease model.
Fernández-Valenzuela, Juan José; Sánchez-Varo, Raquel María; Muñoz-Castro, Clara; De Castro Carratalá, Vanessa; Sánchez-Mejías, Elisabeth
; Navarro, Victoria; Jimenez, Sebastian; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Moreno-González, Inés; Vizuete, Marisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (Springer Nature, 2020-09-08)
In Alzheimer's disease (AD), and other tauopathies, microtubule destabilization compromises axonal and synaptic integrity contributing to neurodegeneration. These diseases are characterized by the intracellular accumulation ... -
Hypoxia compromises the mitochondrial metabolism of Alzheimer’s disease microglia via HIF1
March-Diaz, Rosana; Lara-Ureña, Nieves; Romero-Molina, Carmen; Heras-Garvin, Antonio; Ortega-de San Luis, Clara; Alvarez-Vergara, Maria I; Sanchez-Garcia, Manuel A; Sánchez-Mejías, Elisabeth; Dávila-Cansino, José Carlos; Rosales-Nieves, Alicia E; Forja, Cristina; Navarro, Victoria; Gomez-Arboledas, Ángela; Sánchez-Mico, María Virtudes; Viehweger, Adrian; Gerpe, Almudena; Hodson, Emma J; Vizuete, Marisa; Bishop, Tammie; Serrano-Pozo, Alberto; Lopez-Barneo, Jose; Berra, Edurne; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier; Pascual, Alberto[et al.] (Nature Research, 2021-04)
Genetic Alzheimer’s disease (AD) risk factors associate with reduced defensive amyloid β plaque-associated microglia (AβAM), but the contribution of modifiable AD risk factors to microglial dysfunction is unknown. In AD ... -
In vivo modification of Abeta plaque toxicity as a novel neuroprotective lithium-mediated therapy for Alzheimer's disease pathology.
Trujillo-Estrada, Laura Isabel; Jiménez, Sebastián; De Castro, Vanessa; Torres, Manuel; Baglietto-Vargas, David; Moreno-González, Inés; Navarro, Victoria; Sánchez-Varo, Raquel María
; Sánchez-Mejías, Elisabeth
; Dávila-Cansino, José Carlos; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Springer Nature, 2013)
Background: Alzheimer's disease (AD) is characterized by the abnormal accumulation of extracellular beta-amyloid (Abeta) plaques, intracellular hyperphosphorylated tau, progressive synaptic alterations, axonal dystrophies, ... -
Inflammatory Response in the Hippocampus of PS1M146L/APP751SL Mouse Model of Alzheimer’s Disease: Age-Dependent Switch in the Microglial Phenotype from Alternative to Classic.
Jiménez, Sebastián; Baglietto-Vargas, David; Caballero, Cristina; Moreno-González, Inés; Torres, Manuel; Sánchez-Varo, Raquel María; Ruano, Diego; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Society for Neuroscience, 2008)
Although the microglial activation is concomitant to the Alzheimer's disease, its precise role (neuroprotection vs neurodegeneration) has not yet been resolved. Here, we show the existence of an age-dependent phenotypic ... -
Microglia in Alzheimer's Disease: Activated, Dysfunctional or Degenerative.
Navarro-Garrido, Victoria; Sánchez-Mejías, Elisabeth; Jiménez, Sebastián; Muñoz-Castro, Clara; Sánchez-Varo, Raquel María
; Dávila-Cansino, José Carlos; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Frontiers, 2018-05)
Microglial activation has been considered a crucial player in the pathological process of multiple human neurodegenerative diseases. In some of these pathologies, such as Amyotrophic Lateral Sclerosis or Multiple Sclerosis, ... -
Phagocytic clearance of presynaptic dystrophies by reactive astrocytes in Alzheimer's disease
Gómez-Arboledas, Ángela; Davila, Jose Carlos; Sánchez-Mejías, Elisabeth; Navarro, Victoria; Núñez-Díaz, Cristina; Sánchez-Varo, Raquel María
; Sanchez-Mico, Maria Virtudes; Trujillo-Estrada, Laura Isabel
; Fernández-Valenzuela, Juan José; Vizuete, Marisa; Comella, Joan X.; Galea, Elena; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (Wiley, 2018-03)
Reactive astrogliosis, a complex process characterized by cell hypertrophy and upregulation of components of intermediate filaments, is a common feature in brains of Alzheimer's patients. Reactive astrocytes are found in ... -
Plaque-Associated Oligomeric Amyloid-Beta Drives Early Synaptotoxicity in APP/PS1 Mice Hippocampus: Ultrastructural Pathology Analysis
Sánchez-Varo, Raquel María; Sánchez-Mejías, Elisabeth
; Fernández-Valenzuela, Juan José; De Castro Carratalá, Vanessa; Mejías-Ortega, Marina; Gómez-Arboledas, Ángela; Jimenez, Sebastian; Sanchez-Mico, Maria Virtudes; Trujillo-Estrada, Laura Isabel
; Moreno-González, Inés; Baglietto-Vargas, David; Vizuete, Marisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia
[et al.] (Frontiers, 2021-11-04)
Synaptic dysfunction and loss have been established as the pathological features that best correlate with the early cognitive decline in Alzheimer’s disease (AD). At the histopathological level, post mortem AD brains exhibit ... -
Soluble phospho-tau from Alzheimer's disease hippocampus drives microglial degeneration.
Sánchez-Mejías, Elisabeth; Navarro, Victoria; Jiménez, Sebastián; Sanchez-Mico, Maria Virtudes; Sánchez-Varo, Raquel María
; Núñez-Díaz, Cristina; Trujillo-Estrada, Laura Isabel
; Dávila-Cansino, José Carlos; Vizuete, Marisa; Gutiérrez-Pérez, Antonia
; Vitorica Ferrández, Javier[et al.] (Springer Nature, 2016-10-14)
El papel de la microglía en la enfermedad de Alzheimer (AD) aún no ha sido esclarecido. En este trabajo demostramos la existencia de una débil respuesta microglial en el hipocampo de pacientes, en contraste con la masiva ...