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Título: | Tau-knockout mice show reduced GSK3-induced hippocampal degeneration and learning deficits |
Autor: | Gómez de Barreda, Elena CSIC; Pérez, Mar CSIC ORCID; Gómez-Ramos, Pilar; Cristobal, Javier de; Martín-Maestro, Patricia; Morán, María A.; Dawson, Hana N.; Vitek, Michael P.; Lucas, José Javier CSIC ORCID; Hernández, Félix; Ávila, Jesús CSIC ORCID | Fecha de publicación: | 2010 | Editor: | Elsevier | Citación: | Neurobiology of Disease 37(3): 622-629 (2010) | Resumen: | It has been proposed that deregulation of neuronal glycogen synthase kinase 3 (GSK3) activity may be a key feature in Alzheimer disease pathogenesis. We have previously generated transgenic mice that overexpress GSK3β in forebrain regions including dentate gyrus (DG), a region involved in learning and memory acquisition. We have found that GSK3 overexpression results in DG degeneration. To test whether tau protein modified by GSK3 plays a role in that neurodegeneration, we have brought GSK3 overexpressing mice to a tau knockout background. Our results indicate that the toxic effect of GSK3 overexpression is milder and slower in the absence of tau. Thus, we suggest that the hyperphosphorylated tau mediates, at least in part, the pathology observed in the brain of GSK3 overexpressing mice. | Versión del editor: | https://doi.org/10.1016/j.nbd.2009.11.017 | URI: | http://hdl.handle.net/10261/252836 | DOI: | 10.1016/j.nbd.2009.11.017 | ISSN: | 0969-9961 |
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