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Título: | Ca2+-modulated photoactivatable imaging reveals neuron-astrocyte glutamatergic circuitries within the nucleus accumbens |
Autor: | Serra, Irene CSIC ORCID; Esparza, Julio CSIC ORCID; Delgado, Laura CSIC ORCID; Martín-Monteagudo, Cristina CSIC ORCID; Puigros Serra, Margalida CSIC ORCID; Podlesniy, Petar CSIC ORCID; Trullas, Ramón CSIC ORCID; Navarrete, Marta CSIC ORCID | Fecha de publicación: | 7-sep-2022 | Editor: | Nature Publishing Group | Citación: | Nature Communications 13: 5272 (2022) | Resumen: | Astrocytes are key elements of brain circuits that are involved in different aspects of the neuronal physiology relevant to brain functions. Although much effort is being made to understand how the biology of astrocytes affects brain circuits, astrocytic network heterogeneity and plasticity is still poorly defined. Here, we have combined structural and functional imaging of astrocyte activity recorded in mice using the Ca2+-modulated photoactivatable ratiometric integrator and specific optostimulation of glutamatergic pathways to map the functional neuron-astrocyte circuitries in the nucleus accumbens (NAc). We showed pathway-specific astrocytic responses induced by selective optostimulation of main inputs from the prefrontal cortex, basolateral amygdala, and ventral hippocampus. Furthermore, co-stimulation of glutamatergic pathways induced non-linear Ca2+-signaling integration, revealing integrative properties of NAc astrocytes. All these results demonstrate the existence of specific neuron-astrocyte circuits in the NAc, providing an insight to the understanding of how the NAc integrates information. | Versión del editor: | http://dx.doi.org/10.1038/s41467-022-33020-6 | URI: | http://hdl.handle.net/10261/281500 | DOI: | 10.1038/s41467-022-33020-6 | Identificadores: | doi: 10.1038/s41467-022-33020-6 issn: 2041-1723 |
Aparece en las colecciones: | (IC) Artículos (IIBB) Artículos |
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