Listar por autor "Gómez-Arboledas, Ángela"
Mostrando ítems 1-19 de 19
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Abeta from APP/PS1 Alzheimer mice hippocampus induced synaptic damage in vivo and in vitro
Sánchez-Varo, Raquel María
; De Castro Carratalá, Vanessa; Trujillo-Estrada, Laura Isabel; Sánchez-Mejías, Elisabeth; Jiménez, Sebastián; Navarro, Victoria; Sanchez-Mico, Maria Virtudes; Gómez-Arboledas, Ángela; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Gutiérrez-Pérez, Antonia[et al.] (2017-10-02)
We aim to investigate the effects of Abeta from young APP/PS1 mouse model of Alzheimer`s disease (AD) on the synaptic integrity, as the loss of synapses strongly correlates with cognitive deficits in patients. Plaque-associated ... -
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, ... -
Analyzing hippocampal synaptic damage and glial response in a mouse model of tauopathy
Fernández-Valenzuela, Juan José; Sánchez-Varo, Raquel María; Navarro, Victoria; Jiménez, Sebastián; Sánchez-Mejías, Elisabeth; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2017-10-04)
Tau pathology is highly related to synaptic and neuronal loss, leading to cognitive decline and dementia in Alzheimer’s disease (AD) and other tauopathies. Tau transgenic mice are widely used to investigate the specific ... -
Astrocytes: From the physiology to the disease.
Trujillo-Estrada, Laura Isabel; Gómez-Arboledas, Ángela; Forner, Stefania; Cadete Martini, Alessandra; Gutiérrez-Pérez, Antonia; Baglietto-Vargas, David; LaFerla, Frank M[et al.] (Betham Science, 2019)
Astrocytes are key cells for adequate brain formation and regulation of cerebral blood flow as well as for the maintenance of neuronal metabolism, neurotransmitter synthesis and exocytosis, and synaptic transmission. Many ... -
Astroglial reactivity in response to b-amyloidosis is associated with mithocondrial pathology in the hippocampus of Alzheimer's transgenic mice
López Oliva, Elba; Trujillo-Estrada, Laura Isabel; Sánchez-Mejías, Elisabeth; Mejías-Ortega, Marina; Fernández-Valenzuela, Juan José; Gómez-Arboledas, Ángela; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2023-04)
Aims: Alzheimer’s diseaase (A)D is associated with early energy hypometabolism, synaptic and mitochondrial dysfunction, oxidative stress, inflammation, abnormal proteostasis and progressive neurodegeneration. During the ... -
Decoding damage-associated microglia in post mortem hippocampus of Alzheimer’s disease patients
Sánchez-Mejías, Elisabeth; Mejías-Ortega, Marina; Navarro, Victoria; Gómez-Arboledas, Ángela; Núñez-Díaz, Cristina; Sánchez-Varo, Raquel María; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2019-07-18)
The relationship between Alzheimer’s disease (AD) and neuroinflammation has become stronger since the identification of several genetic risk factors related to microglial function. Though the role of microglial cells in ... -
Disentangling the contribution of tau and abeta pathologies in transgenic models of Alzheimer's disease
Sánchez-Varo, Raquel María; Fernández-Valenzuela, Juan José; Navarro, Victoria; Jiménez, Sebastián; Sánchez-Mejías, Elisabeth; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2018-07-20)
AIMS: Amyloid-beta (Abeta) deposits and intraneuronal hyperphosphorylated tau are major pathological hallmarks of Alzheimer’s disease (AD). The coexistence of these aggregates in AD brains leads to synaptic dysfunction, ... -
Dissecting the microglial response in transgenic models of amyloidogenesis and tauopathy
Sánchez-Varo, Raquel María; Fernández-Valenzuela, Juan José; Romero-Molina, Carmen; Sánchez-Mejías, Elisabeth; Gómez-Arboledas, Ángela; Núñez-Díaz, Cristina; Navarro, Victoria; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2019-07-19)
Amyloid-beta (Abeta) peptide deposits and hyperphosphorylated tau protein (phospho-tau) accumulate in Alzheimer’s disease (AD) brains. These abnormal protein aggregates leads to glial activation, synaptic dysfunction, ... -
Distinct disease-sensitive GABAergic neurons in the perirhinal cortex of Alzheimer's mice and patients
Sánchez-Mejías, Elisabeth; Núñez-Díaz, Cristina; Sánchez-Varo, Raquel María; Gómez-Arboledas, Ángela; García-León, Juan Antonio; Fernández-Valenzuela, Juan José; Mejías-Ortega, Marina; Trujillo-Estrada, Laura Isabel; Baglietto-Vargas, David; Moreno-González, Inés; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (Wiley, 2020-03)
Neuronal loss is the best neuropathological substrate that correlates with cortical atrophy and dementia in Alzheimer's disease (AD). Defective GABAergic neuronal functions may lead to cortical network hyperactivity and ... -
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 ... -
Microglial responses in the human Alzheimer’s disease frontal cortex
Mejías-Ortega, Marina; Sánchez-Mejías, Elisabeth; Navarro, Victoria; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Sánchez-Varo, Raquel María; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2019-07-17)
The continuing failure to develop an effective treatment for Alzheimer’s disease (AD) reveals the complexity for this pathology. Increasing evidence indicates that neuroinflammation involving particularly microglial ... -
Microtubule stabilization protects cognitive function and slows down the course of Alzheimer's like pathology in an amyloidogenic mouse model
Sánchez-Varo, Raquel María; Fernández-Valenzuela, Juan José; De Castro Carratalá, Vanessa; Sánchez-Mejías, Elisabeth; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Moreno-González, Inés; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (2020-12-17)
Cognitive decline in Alzheimer's disease (AD) is highly related to synaptic dysfunction and neuronal loss. In AD, the hyperphosphorylation of tau compromises axonal transport and leads to the generation of dystrophic ... -
Microtubule stabilization reduces amyloid pathology and improves synaptic/memory deficits in APP/PS1 mice
Sánchez-Varo, Raquel María; Fernández-Valenzuela, Juan José; Muñoz-Castro, Clara; De Castro Carratalá, Vanessa; Sánchez-Mejías, Elisabeth; Navarro, Victoria; Jiménez, Sebastián; Núñez-Díaz, Cristina; Gómez-Arboledas, Ángela; Moreno-González, Inés; Moyano, F; Vizuete, María Luisa; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (Alzheimer disease & Parkinson disease Conference 2021, 2021)
Aims: Cognitive decline in Alzheimer's disease (AD) is highly related to synaptic/neuronal loss. Tau hyperphosphorylation destabilizes microtubules leading to axonal transport failure and generation of dystrophic neurites, ... -
Patología glial en el hipocampo de modelos transgénicos de la enfermedad de Alzheimer: un enfoque ultraestructural
(UMA Editorial, 2018)La enfermedad de Alzheimer, principal causa de demencia entre las personas mayores de 65 años, genera un grave impacto socio sanitario y hasta la fecha no existe ninguna terapia eficaz. La hipótesis de la cascada amiloide ... -
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 ... -
Ultrastructural evidence of mitochondrial pathology in hippocampal reactive astrocytes of β-amyloidosis Alzheimer’s transgenic mice
López Oliva, Elba; Trujillo-Estrada, Laura Isabel; Sánchez-Mejías, Elisabeth; Mejías-Ortega, Marina; Fernández-Valenzuela, Juan José; Gómez-Arboledas, Ángela; Dávila-Cansino, José Carlos; Vitorica Ferrández, Javier; Gutiérrez-Pérez, Antonia[et al.] (Cold Spring Harbor Laboratory, 2022)
Astrocytes, the most abundant non-neuronal cell type in the CNS, play essential roles in brain homeostasis and neuroprotection, including metabolic support, synaptic plasticity, cerebral blood flow and immunity. Many of ...