期刊
GLIA
卷 65, 期 12, 页码 1944-1960出版社
WILEY
DOI: 10.1002/glia.23205
关键词
astrocyte; behavior; local field potential; neuronal morphology; oscillations
资金
- Foundation for Science and Technology (FCT) [PTDC/SAU-NSC/118194/2010, SFRH/BD/89714/2012, SFRH/BPD/97281/2013, SFRH/BD/101298/2014, IF/00328/2015, IF/01079/2014]
- Marie Curie Fellowship FP7-PEOPLE-IEF [273936]
- BIAL Foundation [207/14, 427/14]
- Northern Portugal Regional Operational Programme (NORTE), under the Portugal Partnership Agreement, through the European Regional Development Fund (FEDER) [NORTE-01-0145-FEDER-000013]
- FEDER funds, through the Competitiveness Factors Operational Programme (COMPETE)
- FCT [POCI-01-0145-FEDER-007038]
- Fundação para a Ciência e a Tecnologia [PTDC/SAU-NSC/118194/2010, SFRH/BD/101298/2014, SFRH/BPD/97281/2013, SFRH/BD/89714/2012] Funding Source: FCT
Astrocytes interact with neurons at the cellular level through modulation of synaptic formation, maturation, and function, but the impact of such interaction into behavior remains unclear. Here, we studied the dominant negative SNARE (dnSNARE) mouse model to dissect the role of astrocyte-derived signaling in corticolimbic circuits, with implications for cognitive processing. We found that the blockade of gliotransmitter release in astrocytes triggers a critical desynchronization of neural theta oscillations between dorsal hippocampus and prefrontal cortex. Moreover, we found a strong cognitive impairment in tasks depending on this network. Importantly, the supplementation with D-serine completely restores hippocampal-prefrontal theta synchronization and rescues the spatial memory and long-term memory of dnSNARE mice. We provide here novel evidence of long distance network modulation by astrocytes, with direct implications to cognitive function.
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