ArticleCell reports2024
Regulation of synapse density by Pumilio RNA-binding proteins.
Article in Cell reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
10 authors.
Funding
Abstract
The formation, stabilization, and elimination of synapses are tightly regulated during neural development and into adulthood. Pumilio RNA-binding proteins regulate the translation and localization of many synaptic mRNAs and are developmentally downregulated in the brain. We found that simultaneous downregulation of Pumilio 1 and 2 increases both excitatory and inhibitory synapse density in primary hippocampal neurons and promotes synapse maturation. Loss of Pum1 and Pum2 in the mouse brain was associated with an increase in mRNAs involved in mitochondrial function and synaptic translation. These findings reveal a role for developmental Pumilio downregulation as a permissive step in the maturation of synapses and suggest that modulation of Pumilio levels is a cell-intrinsic mechanism by which neurons tune their capacity for synapse stabilization.
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