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Título: | CBP is required for establishing adaptive gene programs in the adult mouse brain |
Autor: | Lipinski, Michal CSIC ORCID; Niñerola, Sergio CSIC ORCID; Fuentes-Ramos, Miguel CSIC ORCID; Valor, Luis Miguel CSIC ORCID; Blanco, Beatriz del CSIC ORCID; López-Atalaya, José P. CSIC ORCID; Barco, Ángel CSIC ORCID | Palabras clave: | Activity-driven transcription CBP Intellectual disability Lysine acetylation Neuroepigenetics p300 |
Fecha de publicación: | 2022 | Editor: | Society for Neuroscience | Citación: | Journal of Neuroscience 42(42): 7984-8001 (2022) | Resumen: | Environmental factors and life experiences impinge on brain circuits triggering adaptive changes. Epigenetic regulators contribute to this neuroadaptation by enhancing or suppressing specific gene programs. The paralogous transcriptional coactivators and lysine acetyltransferases CREB binding protein (CBP) and p300 are involved in brain plasticity and stimulus-dependent transcription, but their specific roles in neuroadaptation are not fully understood. Here we investigated the impact of eliminating either CBP or p300 in excitatory neurons of the adult forebrain of mice from both sexes using inducible and cell type-restricted knock-out strains. The elimination of CBP, but not p300, reduced the expression and chromatin acetylation of plasticity genes, dampened activity-driven transcription, and caused memory deficits. The defects became more prominent in elderly mice and in paradigms that involved enduring changes in transcription, such as kindling and environmental enrichment, in which CBP loss interfered with the establishment of activity-induced transcriptional and epigenetic changes in response to stimulus or experience. These findings further strengthen the link between CBP deficiency in excitatory neurons and etiopathology in the nervous system. | Versión del editor: | https://doi.org/10.1523/JNEUROSCI.0970-22.2022 | URI: | http://hdl.handle.net/10261/306727 | DOI: | 10.1523/JNEUROSCI.0970-22.2022 | E-ISSN: | 1529-2401 |
Aparece en las colecciones: | (IN) Artículos |
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cbpbrain.pdf | 6,16 MB | Adobe PDF | Visualizar/Abrir |
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